GB/T 15388.1-1994 Design specification for double-line circulating freight aerial ropeway
Some standard content:
CDC 621.86.078bzxZ.net
National Standard of the People's Republic of China
GB/T15388.1~15388.2:-94
Design rules for circulating material aerial ropeway
Design rules for circulating material aerial ropewayPublished on 1994-12-27
Implemented on 1995-10-01
Published by the State Administration of Technical Supervision
National Standard of the People's Republic of China
Design rules for circulating material aerial ropeway ropeway
1 Main content and applicable examples
This standard specifies the basic requirements for the design of double-track circulating freight overhead roads. CB/T15388.1-94
This standard applies to box-type circular material transport channels used in factories and mines to transport piece goods and bulk materials. The standard does not apply to industrial roads.
2 Reference standards
GB146.2 Standard for the clearance of railway rolling stock and building limits GB188762 Classification and basic dimensions of the clearance of railway rolling stock and building limits GB8918 Specification for high-quality wire
GB/T12739 Applicable types and basic parameters of circulating freight overhead roads GBJ61 Design specification for industrial and civil overhead power lines below 35 volts JFJ021 General specification for highway bridge and culvert design||t t||TJ Import and Export Industrial and Civilian Construction Specifications 3-1 Provisions
3.1 Transport Capacity
The transport capacity of the double-track ring freight overhead line is 700t/h, 3.2 Vehicle Running Speed
3.2.1 The running speed of the truck on the loading platform shall be selected from the following series: 1.6.2.0, 2.5.2.8, 3.15, 3.55, 4.0.d.5m/s.3.2.2 When the automatic turning station is installed on the road, the registered running speed of the truck shall comply with the provisions of Table 1. Table 1
Water flow curve, m
Verify the return path, m
Maximum running speed of the truck m/s
32.3 The speed during maintenance shall be 0.30.5m/k. 3.3 Working system
331 The working system of the cableway should be consistent with that of the contracting enterprise. 50
3.3.2 For a cableway with continuous working system, the annual working days shall not exceed 330 days. For a cableway with non-continuous working system, the annual working days shall not exceed 300 days.
3.3.3 Daily working hours: 7.5h for one-shift operation, 14h for two-shift operation, and 19.5h for three-shift operation. Approved by the State Administration of Technology on December 27, 1994 and implemented on October 1, 1995.
3.4 Uneven transportation system
GB/T15388.1—94
The first-shift operation is 1.1, the second-shift operation is 1.1, and the third-shift operation is 1.2. 3.5 Wind load and ice load
3.5.1 Wind load
The hourly wind speed F when the cableway is in operation is 200Pa
The calculated wind pressure when the cableway is stopped is 1200Pa. 6. For areas with strong winds of 44m, the local maximum wind pressure value should be taken. 3.5.2 The body coefficient should be used according to the following period: Sealed copper wire rope is 1.21
Multi-strand pin wire rope is 1.3
Truck is 1.1:
Truss rod fire round bracket is 1.21
Rack rod as rectangular pipe and its steel branch channel is 2.0E.
3.5.3 Cable conversion length
When the cableway is greater than (0m, the conversion length of the steel table to bear the two forces is calculated according to formula (1), r = 240 + 0. 4f
Wherein, the converted length of the cableway to withstand wind force is the length of the cableway, tm,
3.5.4 Snow load and ice load
The recommended load should comply with the provisions of T9. Areas prone to icing should take into account the pre-ice medicine, and the ice thickness should be 900/blood ear line sink
4.1 Route selection
4.1.1 The route should avoid areas with landslides, city walls, surveys, Jinxie, mudstone, Hongyong and other areas that endanger the safety of the cableway. When it is impossible to open due to conditions, reliable support and station buildings should be selected. Engineering measures, 4.7.2 The cableway should avoid crossing industrial and mining areas and residential areas, and should not cross roads, highways, waterways and overhead power lines multiple times. When crossing roads, highways and residential areas, high-voltage overhead power lines should be installed with safety protection facilities. 4.1.3 When the road is near a temporary military base or military base, the corresponding safety measures should be taken according to relevant regulations. 4.7.4 In windy areas, the gap between the road and the dominant wind direction should be reduced. 4.7.5 The station site should meet the following requirements:
The terrain around the station It should be flat, not occupy or occupy less agricultural output, and should avoid economic crop areas, underground sensitive areas and underground mining areas as much as possible. The engineering geological records are good. The power supply, transportation, maintenance and water supply should meet the current national safety operation requirements. If a gravity-type cable car is used, the elevation angle of the cable car should be within the range of 5%~10, and the false angle should be within the range of 3%~5. 4.2 Line configuration 4.2.1 The horizontal plane of the cableway line in each tension section should be When the distance between the load carrier and the load cable is changed suddenly, the horizontal deflection angle of each support shall not exceed 5%. When the water pressure generated by the horizontal deflection angle is greater than 10% of the minimum pressure of the load carrier on the support and the load cable can still be attached to the cable wheel, the horizontal deflection angle on each support shall not be greater than 0.9. 4.2.2 The road profile should be smooth and meet the following requirements: In the raised side profile section, the chord angle of the load cable on each support should not exceed 4% for the lower traction truck and 2
GB/T 15388.1-94
The rate of the truck to be pulled shall not exceed 6-grams. The height shall not be less than 5m, and the span shall not be less than 20mh. The deflection of the cable on each bracket shall be controlled at 10% to 15%, and the maximum shall not exceed 30%. Two swinging seats shall not be set on the same side of a branch channel.
<. When there is no truck on the line and the tension is large, the minimum deflection angle on each bracket shall be controlled at about 2%. When the sum of the two adjacent distances is equal to or less than 200m, the minimum deflection angle on the bracket shall not be less than 101%. When the sum of the two adjacent distances is greater than 200m, the angle shall not be less than 1.25.
dWhen carrying a heavy load, the waiting angle of the station entrance shall not be greater than 15% and the span of the first drop before the station should be less than the truck spacing, and should be less than 60m.
、The number of heavy trucks that drive onto the support at the same time on the entire support should not exceed 20% of the total number of trucks in the transmission section or the number of heavy trucks should not exceed 25% when the number is large.
The ratio of the horizontal span to the distance between trucks should avoid integer multiples and should be selected from the following ratios: 0.3~0.4.0.85.1.15~1.31.75,2.3~2.6,3.45,
、When using lower traction trucks, the additional pressure exerted on the load-bearing cables at each support due to the traction factor should not be greater than or equal to 0.2~0.25 of the truck force.
4.2.3 Clearance
4.2.3.1·When a truck swings inwards 20 degrees during operation through a rack without a spacer, the outermost clearance of the truck shall not be less than 0.2 m,
4.2.3.2 When two oppositely moving freight vehicles deviate to one side under the working wind pressure of 200P, the distance between the freight vehicles should not be less than .5m,
4.2.3.3 When the freight vehicle is running on the road, the horizontal clearance between it and the outer obstacles should meet the requirements of Table 2. Table 2
Freight operation conditions
Freight vehicles and sails
Towards 26 devices
Buildings, rocks
Trees, forests and the same passage
4.2.3.4 When the two vehicles are close to each other along the parallel line, the distance between their centers is A It should be calculated by formula (2). Net storage nm
4..0.5(K,+K,+B,+B)+.0.2Ch,+z+AH)+1.5m Where: K,.K, Line distance, m+
BB—Wheel width, m
,.,—-Height of the car m
4H The maximum standard difference of the load-bearing elements of two lanes, 4.2.4 Lane connection
When the volume of the truck is 0.5~1.0m*, the distance should be 3m. When the volume of the truck is 1.85~1.6m2, the distance should be 3.5m; when the volume of the truck is 2.0~2.5m: the distance should be 4.0 blood, 4.2.5 Vertical clearance 4.2.5.1 Minimum distance from high ground or snow surface The distance between the bottom of the truck and the lowest point of the outside after turning over and the ground or snow surface shall not be less than the following values:, on the ground, it shall not be less than 2 m. In the elevated areas where driving is prohibited (such as troughs), the height of the snow surface shall not be less than 0.5 m. In the small areas under the line where pedestrians are allowed to pass, the height of the snow surface shall not be less than 3 m. When determining the minimum distance from the high ground or snow surface, in addition to the dynamic position as the basis, the dynamic additional value should also be added, that is, d. The largest value should be selected from the following numbers: 1% of the spacing between supports, 5% of the verticality of the bearing, and 16% of the verticality of the lead. 4.2.5.2 When the cableway crosses the following areas, relevant regulations must be observed, and safety protection facilities must be installed under the line. The minimum vertical distance between the lowest point of the protection facilities and the top of the track and other structures must meet the following requirements: a. When crossing national railway lines, it must comply with the provisions of GB142; b. When crossing local railway lines, it must comply with the provisions of GB188; and c. When crossing power lines and railways, it must comply with the provisions of GB161. When crossing power lines, the cableway should pass under the power lines as much as possible. If it must pass over the top, safety protection equipment must be installed under the cableway; d. When crossing roads, it shall comply with the provisions of JT031. For first- and fourth-class roads, it shall not be less than 6.0m; for third- and fourth-class roads, it shall not be less than 4.5m. When crossing over navigable rivers, the vertical distance from the measured flood level (based on the ground flood level after 50 years of dissipation plus rate of water and wave height) shall not be less than 1.0. III 11. When crossing residential areas or cultivated land, the vertical distance from the elevated surface shall not be less than 5.0 m. When crossing buildings, the vertical distance from the building shall not be less than 2.0m. When crossing fruit forests and economic crop forests, no protection device may be installed. The vertical distance from the highest point of the forest shall not be less than 1.5m. At the same time, the height of the forest growth during the pruning period shall be considered. 4.2.6 The selection of the drive station shall meet the following requirements: 1. The terminal station with large traction tension and good anti-slip conditions shall be selected as the drive station. At the same time, the power supply, maintenance, transportation and other components can be used to determine the specific location of the station. 2. For multi-zone drive systems, the whole equipment should be concentrated in the middle station, and the feasibility and economy of sharing a drive device for adjacent network sections should be considered. 3. The selection of the tensioning station shall meet the following requirements. 4.2.7 The selection of the tensioning station shall meet the following requirements. The station with the smallest traction tension shall be selected as the tensioning station. When the terminal station is equipped with an automatic return wheel, the tensioning station can also serve as a tensioning station, but the traction tensioning station should be located on the side with smaller traction cable tension. For large-volume, long-distance and complex roads, when the driving station is located at a low point and the rate of the traction cable produces an unacceptable low tension, the rate of the traction tension generated by the auxiliary tension device on the side of the driving plate with a small traction tension should be less than the tension during normal operation of the traction system.
4.2.B The selection of the corner station shall meet the following requirements: the front station shall be combined with other stations (such as tensioning station and driving station, etc.), and try to avoid corner stations with only one function: b. The dynamic corner station should not be located at the lowest point of the road side profile. The semi-wheel group with a dynamic corner station should adopt a larger curvature radius based on the running speed of the truck. 5.1 Load-bearing system
5.1.1 Selection and calculation of bearing table
5.1.1.1 Sealed chain wire should be used as the load-bearing cable. 5.1.1.2 The minimum tension of the load-bearing system should meet the requirements of formula (3). Te
Wherein, T is the minimum tension of the load-bearing structure (initial tension), N: V is the number of times the wheel passes through the load-bearing cable each year - the vertical force exerted by a single wheel on the load-bearing structure, calculated using formula (4) or formula (5), N. For lower traction trucks, for horizontal traction trucks, CB/T 15388.1-94, P-e++*, where: center force of the truck (truck self-loading force) N4u - annual force per meter of traction structure, N/m, distance between trucks, m: + - additional force exerted on the load-bearing structure by the induction factor at the support, N; when the profile is flat, + = (0.2~0.25) G; when the profile is complex, 4 = (0.30.35) Gi - the number of wheels per truck.
5.1.1.3 The maximum tension of the load-bearing element shall include: the weight of the cable tensioning weight
b. The weight of the load-bearing element itself caused by the height in a tensioning section. The friction resistance of the load-bearing element or the load-bearing tensioning element on the guide wheel. .
When the guide wheel has a rolling bearing, the resistance coefficient is 0.03~0.044
When the guide wheel has a sliding bearing, the force limiting coefficient is 0.05-0.0e. The smaller value is taken when the diameter of the guide wheel is larger, and the larger value is taken otherwise. d. The following force on the seat:
When the nylon or copper pad is on the seat + friction coefficient is 0.12, when there is no pad on the saddle, the exchange coefficient is .15, 5.1.1.4 In a small tension section, when calculating the maximum and minimum tension of the load rate, the total friction force of the load case is multiplied by the non-isotropic reduction factor less than 1 according to the complexity of the line. 5.1.1.5 The tensile safety factor of the load case shall not be less than 3. 5.1.2 The total length of the load-bearing tension section shall be determined by the height difference and the total friction resistance of the load cable on various comforts and pulleys. The total resistance shall not be greater than 2.5% of the load-bearing tension weight. 5.1.3 Load-bearing tension
5.1.3.1. The tension of the load-bearing cable shall meet the following requirements: 3. In each tensioning section, the load-bearing cable should be tensioned by staggering one end and tensioning weights at the other end. After technical verification, the load-bearing cable can also be staggered at both ends, but its tensioning force must be adjustable. b: The load-bearing cable should use a weight box as a tensioning weight. When the weight is too strong, drainage facilities should be considered. The travel of the tensioning weight should take into account the elastic elongation and residual elongation of the load-bearing cable caused by the change of working tension, the displacement of the weight caused by temperature change and load change. The high margin of 0.5~1.0% should be taken into account to ensure that the load-bearing cable can maintain a total empty state during the operation of the cable. 5.1.3.2 The tensioning cable of the load-bearing cable should meet the following requirements. The tensioning cable should use high-quality copper wire rope with good bending performance. Its tensile strength should not exceed 76N/tma. The safety factor of the cable should not be less than 4.5C. The diameter of the tensioning cable guide wheel shall not be less than 25 times the diameter of the tensioning case. 5.1.4 Anchoring of the anchoring cable
5.1.4.1 The end anchoring plate of the anchoring plug shall meet the following requirements: The anchoring case shall be fixed by block type, clamp type or clamp-fastener type, and the gold mesh cone sleeve and matching sleeve type guide window shall not be used
GB/T 1538.1-94
5. When the sleeve fastening method must be used: the fastening method of nailing shall be used, and the force between the sleeve and the wire shall be evenly distributed:
center. The anchoring and the tensioning end shall meet the requirements of daily inspection and maintenance. 5.1.4.2 The anchoring shall be equipped with a rope storage device, and the length of the stored rope shall be enough to slide 8~4 times. 5.1.5 The connection of the bearing elements shall meet the following requirements: a. The bearing element shall adopt a whole dense steel wire rope in a tensioning section. When it is necessary to connect, a metal wire rope shall be used. b. The line rope shall be as far away from the support as possible, generally not less than 15m. c. The connection between the bearing element and the tensioning element shall be made by lifting joint. The tensioning element shall be made by alloy joint. 5.1.6 The whole bearing shall meet the following requirements. The bearing element shall adopt welded structure and zinc steel parts. Nylon gaskets and lubricants shall be installed at the peak. b. The specific pressure of the bearing element in the bearing seat shall be adjusted according to formula (6) and shall not be greater than the allowable value specified by the gasket manufacturer. P=1.5.R
wherein, the positive force per unit area, MPa1—the tension acting on the bearing, N, the diameter of the bearing cable, mm
R—the radius of the bearing, intl.
C. When the angle of the support is less than 16\, the swing type bearing should be selected. When the angle is greater than 16, the fixed type bearing can be selected. When the vehicle running speed does not exceed 3.2m/s, the curvature of the swing bearing can be obtained by formula (7) Ra10
When the truck running speed exceeds 3.2m/s, the curvature radius of the bearing should be checked by formula (8). Substitute 2 0. 5
where; R—curvature radius of the load carrier: m
t——truck running speed, tu/s:
d—carrier diameter. mn.
, when using a full load carrier, the curvature radius of the load carrier should not be less than 160% of the carrier diameter. 5.1.7 The required margin of bearing
The margin length of each bearing member in any bearing cavity shall not be less than 3 times the maximum length of the seat plus 5.2 The selection of the traction rope shall meet the following requirements (7)
. The traction rope shall be made of high-quality wire rope with surface contact or line contact and fiber-reinforced core, preferably in accordance with 6×19) and 6×37 (8) specified in GB 918.
The traction rope working in a corrosive environment shall use a non-corrosive rope or other non-corrosive steel wire. b. The safety factor of the traction width shall not be less than 45 when the inertia force is not taken into account. c. The wire diameter of the traction rope shall not be less than 1.5mm. The length of each driving section shall be determined according to the total length of the traction required, its structural strength, and the possibility of shrinkage. For multiple driving sections, multiple schemes shall be compared and divided reasonably. 6
GB/I15388.1—94
5.2.3 The traction element shall be connected by splicing, and the termination length of the joint shall not be less than 1001 times the diameter of the traction rope. For copper ropes with surface splicing, the splicing length shall not be less than 1300 times the wire diameter. The deviation of the wire diameter at the joint after splicing shall not exceed 5% of the wire braid diameter.
5.2.4 The guide pulley of the traction rope in this patent shall be based on the ratio of the sheave diameter to the allowable shaft diameter. The ratio of the sheave bending diameter to the traction rope diameter and the relationship between the wrap angle shall not be less than the values in Table 3. Table 3 includes (\)
5.2-5 The length of the traction rope
5.2.5.1 The wire rope shall meet the requirements of the purchaser. The tensioning device should be tensioned by hammer,
>20~30
>30~50
The tensioning device should be made of high-quality steel rope with velvet contact and same-direction fiber core, and its tensile strength should not exceed 1770N/m
. The safety factor of tensioning should not be less than 5,
. The ratio of the tensioning guide diameter to the tensioning diameter should not be less than 40: e. The guide wheel should be padded with soft and wear-resistant pads. 5.2.5.2 The travel of the tensioning device should be determined by calculation and taken as a higher value, so that the number of tensioning heads should be reduced, and generally should not be less than the length of the tensioning device covered by the primary joint.
6 Calculation of traction and driving device
6.1 Calculation of traction
6.1.1 The minimum tension of the traction rope shall meet the following requirements: The minimum tension of the traction rope shall be able to ensure that the traction rope on the driving wheel does not slip, does not cause the line to step on the tension surface, and does not cause unevenness of the traction rope to occur, and does not fall off the traction rope when passing through the vertical hydraulic wheel group and the water return wheel group. The initial tension of the traction rope shall be calculated according to formula (9): fm.2 10.1
In the formula, - the minimum tension of the traction rope N
the straight force of the traction rope per meter, N/m
f. - the distance between trucks, m.
For horizontal traction trucks, the minimum traction tension shall not cause the truck to tilt vertically on the road. Chapter 61.2 Calculation of the tension of the traction rope
When calculating the tension of the traction rope, the remote point ratio method should be used to calculate point by point from the minimum tension of the tension wheel to the maximum tension driving wheel. 6.1.3 According to the following three different cost conditions, the power mode of the ropeway should be selected and the driving machine power should be determined. The straight car side and the empty car side should be calculated according to the distance between the city and the city, and the normal operation load condition should be formed: b. The line downtown section lacks heavy cars or empty cars, forming the most unfavorable power operation load condition: c. The uphill section of the line station lacks heavy cars or empty cars, forming an unfavorable braking operation load condition 6.1.4 The length of the missing rate should be calculated as if there is no braking for three minutes. For tracks with a departure interval greater than 36 seconds, the calculation shall be based on the continuous departure of 5 trains. 6.1.5 The resistance of the guide wheel when the train passes through the line shall include the bearing resistance and the linear resistance of the guide element. When calculating the acceleration of the train and the inertia force of the reduced speed, the following masses can be used for calculation. 7
Training plate
Training car mass:
Effective load mass of freight car:
CB/T 15388.1-94
d: displacement mass of guide, guide assembly, drive motor and motor rotating part (can also be m6.1.6 The running force system of the vehicle on the bearing end should be selected according to Table 4, Table 4
Truck Commercial Condition
The vehicle model is fast-wheel wheels
with 2n~225mm
running speed with dynamic bearings
6.2 Driving Equipment
6.2.1 Selection of driving device
Wheel pressure nylon core The selection of driving equipment should meet the following requirements. Operation condition
Braking operation
Power operation
Braking operation
Power operation
H. According to the working principle of 8.1.3, the driving wheel is calculated to obtain the driving batch power. h.
During normal operation, the age of the driving wheel should meet the requirements of formula (10) and <11). During normal operation,
Starting and braking
In the formula:.
t' gig
The minimum tension on the driving wheel during normal operation: - side, t, + (e
gravity to calculate
force system
Fan (e\ -1)
the minimum tension of the driving wheel when calculated under unfavorable load conditions + V-traction and the viscosity coefficient of the driving wheel sealing potential + the hard arm mold rubber and semi-chain turbulence can be taken as D.2P. The circumferential force on the driving wheel during normal operation, NP
the circumferential force of the driving wheel when calculated under the most unfavorable load conditions, N chronic force calculated according to Article 6.1.5), N;
the base of the potential!
The wrap angle of the traction case on the driving wheel, R,
The driving wheel diameter shall not be less than 8 times the lead diameter, and 8 times the surface wire diameter d
The driving wheel running should be equipped with a lining + lining. The specific pressure is calculated according to the formula (12> and shall not exceed the allowable value specified by the village pad manufacturer. 1.5 (+)
The driving wheel village pad allowable pressure (not exceeding 3MPa).MPat driving wheel side tension N
driving wheel side tension N;
driving wheel diameter + mm
lucky width diameter. mm.
The freight channel is unloaded and does not use a clamp-type drive machine. The dynamic device brake shall meet the following requirements: 6.2.2
..... 12?
GB/T153BB.1--94
. Each drive is equipped with two sets of brakes with separate structures, and can brake separately. The working brake is applied on the high-speed shaft, and the emergency brake is installed on the driving wheel. When the track is stopped by a slight resistance under the most unfavorable load, the emergency brake can be cancelled. When the running speed exceeds the rated speed by 15%, the working brake and the emergency brake should be able to be put into action respectively. For the brake type track with large negative force, it is advisable to install two independent disc or clamp type hydraulic brakes on the low-speed shaft as the upper working
d. The working brake and the emergency brake are not allowed to be operated at the same time during the release. The braking speed should be controlled within the range of 0.i~1.0m/s.
e. The emergency brake should be able to be manually controlled. 6.2.3 The motor of the driving device should meet the following requirements: B: The motor of the driving device should generally be an AC motor. When the load difference is relatively large, the operating speed and the load force are relatively large, a DC motor should be selected. When selecting a motor for normal operating power, the power reserve factor should be considered. The power reserve factor should not be less than 1.3. When selecting the motor power according to the unfavorable load, the power reserve factor can be ignored. For the motor selected according to the positive load, the capacity should be adjusted according to the start or brake under the most unfavorable load. The overload factor of the motor should not be greater than 10 times the rated value. Station building
7.1 Station building design
7.1.1 The design of the station building should meet the following requirements: the equipment in the station and the steel and loan vehicles in operation will not affect the personal safety of the staff. : Small, there should be lighting facilities in the machine room: machine room design The distance between the equipment and the wall shall not be less than 1.5m, and the noise in the machine room shall not be greater than 85dE(A).
c. The control room shall be located in a place where the driver can observe the loading and unloading of vehicles and the operation of the line. The room shall be closed and soundproof, with good ventilation and lighting facilities. The indoor noise shall not be greater than BOB(A). According to environmental conditions, moisture, cooling or collection facilities shall be installed.
d. All electromechanical equipment that needs to be repaired and inspected in the station shall be equipped with an operating channel with guardrails at the maintenance and inspection point, and local service equipment shall be provided.
7.1.2. The loading of trucks shall meet the following requirements: a. Trucks shall generally adopt the inner loading method (the loading port and the cargo hanger are not balanced). When the outer loading method must be adopted, the truck shall be equipped with double guide vibration.
h. When the automatic loading system is adopted, it shall also have the function of manual loading. In the loading area, there shall be a set of auxiliary facilities such as spare trucks, electric reverse and pusher.
C. When the dust content of the material is high, a dust removal device shall be installed. 7.1.3 The unloading of trucks shall meet the following requirements: 1. When the bulk material is transported by the transfer unloading type truck in the station building, the length of the unloading port shall be calculated by the light formula (13) La+!
Where: - the length of the loading port, m
· the running speed of the truck unloading port. m/a; - the length of the truck bucket,.
1. When the unloading port is equipped with a screen, the height of the truck from the ground shall be calculated in addition to the limit size after the bucket box is turned over, and the maximum loss size of the transported material shall also be taken into account.
GB/T15388.1-94
When a truck with bottom doors is used, the maximum limit size of the truck shall be calculated in addition to the opening size of the top door. In the case of longitudinal and transverse swing of the truck, the maximum limit size of the truck (including the limit size after the bucket box is turned over) shall not be less than m from the ground.
c When the truck is unloading in the station, a truck reset device shall be installed in the unloading station. d. For trucks transporting sticky materials, there shall be a car cleaning facility. e. For trucks unloading at any point on the line, it is advisable to install a device on the front loader to prevent the steel cable from moving after the truck is unloaded. 7.2 Station entrance design
7.2. For the station entrance design of the lower-load truck, the following requirements shall be met: When the inclination angle of the load-bearing cable is not greater than 5% and the exit deviation is not greater than 3, only the supporting wheel can be installed at the station entrance without the vertical roller group. However, it should be verified that the front running truck does not affect the running truck behind. b. When the elevation angle of the load-bearing cable is greater than 5 degrees, a concave vertical roller group should be installed at the station entrance, and the curvature radius of the roller group should be sufficient to ensure that the upward force of the load-bearing cable cannot be dislodged when the heavy truck passes through the roller group, and the truck cannot be knocked off the track when the truck is empty. When the elevation of the load-bearing cable is greater than 8%, a vertical roller group should be installed at the station entrance, and the curvature radius of the roller group should be calculated according to the vertical pressure on the roller group used for traction compensation. It shall not be greater than the allowable pressure on the truck. 7-2.2 The design of the station entrance for horizontal traction trucks shall meet the following requirements: a. When the load case leaves the station in a single load, the case-carrying wheels are installed at the station entrance without the need to install vertical wheels: when the load case leaves the station at a medium distance, the number of rollers of the wheel group shall be determined according to the upward force of the traction case. 7.2.3 The disconnector and coupling device used for the lower traction truck shall meet the following requirements: a. When the truck load case and the traction rope are connected, the running speed of the two shall be consistent, and the positive and negative difference shall not be greater than 5% of the actual running speed of the traction case; b. The traction case should be able to run smoothly without vibration during the hooking and unhooking process. The bending angle of the traction rope on the supporting wheel in the hook and unhooking device is 1%-2%; the height of the traction system guide wheel before and after the hook should be slightly adjusted. The acceleration of the truck on the flat rail before the hook and the deceleration of the truck on the flat rail after the unhooking device should not be greater than the horizontal distance between the track center line of the unhooking device and the hook and the traction center line is ±1.5mm. The height difference between the working surface of the track and the control machine guide rail and the horizontal distance deviation between the center load are both ±1.51, 7.3 suspension track
7.31 According to the size of the four-wheeled lower traction truck, the track in the station building should meet the following requirements: The track adopts rolled head fan rail.
b. The cut-off length of the hanging rail shall be calculated based on the distance of the trucks arranged closely together. The flat rail section where the trucks are not disconnected shall be calculated based on the design distance and multiplied by the dynamic coefficient of 1.1. 5 A straight section of not less than 2m shall be provided close to the entrance and exit of the hook or disconnector. The radius of curvature of the curved track on the plane shall meet the requirements of Table 5.
Cargo running speed
Minimum plane curvature radius m
On the auxiliary rail where the trucks are stored, the minimum plane curvature shall not be less than 2m + The radius of curvature of the pad and the auxiliary rail on the vertical surface shall not be less than G m,
d. There shall be a straight section between the reverse arcs of the regular track, and its length shall not be less than 1.5n. e. The 1m long fan behind the car stopper should have a radian, which should be 1.5% for the straight section and 3.5~2.5% for the curved section with a radius of 1m. GB/T 15388.194: The additional running force coefficient of the truck on the straight section is 0.0065 when the truck weight is less than or equal to 7.51kN and 0.0055 when the truck weight is greater than 7.5kN. The additional running force coefficient of the truck on the curved section should be calculated according to formula (14): 1
In the formula, the additional running force coefficient of the truck on the curved section is +【——the wheelbase of the truck wheel, mR——the plane curvature radius of the curved section track, I. (14
1. The additional resistance of the truck passing through the relevant facilities in the station should be converted into high pressure, estimated, 0.07m for the track, 0.01m for the unloading support, 0.1m for the screw positioner, 0.005m per meter for the single guide plate, and 0.H08tn for the double guide plate. 1. The hanging hook and hanger spacing of the flat rail should be determined by stiffness calculation, and should not exceed the following values: the straight section of the empty car should not exceed 2m, the straight section of the empty car should not exceed 3.0m, and the spacing on the curved section can be appropriately reduced according to the different radius of the plane curve. There should be no less than two points on each rail, and the height of the hanging point from the lifting joint should not be less than 500mm. The hook should meet the function of adjusting the opening height. 7.3.2 The design of the horizontal roller group should meet the following requirements: H
Automatic corner station level The diameter of the wheel of the wheel group should not be less than 60mm, and the width should not be less than 14mm: h. The angle of the guide on each wheel should not exceed 3\ When the truck passes the horizontal wheel group, the hydraulic force acting on the gap should not be greater than 1. c
7.3.3 The fan arrangement of the automatic corner station and the automatic return station should meet the following requirements:,, The diameter of the traction element entering or leaving the return snake or horizontal roller group is 500Dmm before and after the installation of the wide support, and the corresponding rail on it should be pointed to the height until the truck's load device passes through the wide support: h The difference between the corresponding flat rail on the wide support and the corresponding flat rail on the return wheel or horizontal roller group should be replaced by a vertical arc with a radius of not less than 5000mm, and the reverse rails should be Straight section with a passenger capacity of not less than 1500m
The relative gap between the corresponding flat rails on the horizontal plane before or after the truck enters and leaves the return wheel or horizontal hydraulic wheel group should be connected by a horizontal reverse class with a radius of not less than 1M0m: the reverse class should be connected to a straight section of not less than 1500m.
The clearance of the truck in the station should meet the following requirements: In the sheltered station, the lateral dynamic control of the truck on the self-sustaining section is 8%, and the directional swing is calculated as 14%. The swing caused by centrifugal force should also be taken into account on the curved section.
b In non-sheltered stations, the lateral swing of the truck is calculated at 16%, and the directional swing is 14. If necessary, a guide device should be installed. c. When the truck moves 11 times laterally, the minimum clearance size in the station is as follows: the height between the truck and the wall, The distance between the truck and the protruding part shall not be less than 0.3m.
7.5 Supporting equipment and monitoring devices
7.5.1 When a spring-loaded towing device is used and the truck running speed is greater than 3.0m/s, an add-sub device shall be installed. 7.5.2 All types of trucks shall be equipped with a closed-loop disengagement status monitoring device. 8 Trucks
8.1 The selection of trucks shall meet the following requirements: n. Select a tipping unloading truck or a bottom-opening unloading truck based on the characteristics of the materials being transported. b. Select a bottom-pulled truck or a horizontal traction truck based on the complexity of the load path. When the load capacity exceeds 32kN and the running height is greater than 3.6m, a spring-loaded towing truck should be selected. 11.
1. When the unloading port is equipped with a screen, the height of the truck from the ground shall be calculated in addition to the limit size after the bucket box is turned over, and the maximum loss size of the transported material shall also be taken into account.
GB/T15388.1-94
When a truck with bottom doors is used, the maximum limit size of the truck shall be calculated in addition to the opening size of the top door. In the case of longitudinal and transverse swing of the truck, the maximum limit size of the truck (including the limit size after the bucket box is turned over) shall not be less than m from the ground.
c When the truck is unloading in the station, a truck reset device shall be installed in the unloading station. d. For trucks transporting sticky materials, there shall be a car cleaning facility. e. For trucks unloading at any point on the line, it is advisable to install a device on the front loader to prevent the steel cable from moving after the truck is unloaded. 7.2 Station entrance design
7.2. For the station entrance design of the lower-load truck, the following requirements shall be met: When the inclination angle of the load-bearing cable is not greater than 5% and the exit deviation is not greater than 3, only the supporting wheel can be installed at the station entrance without the vertical roller group. However, it should be verified that the front running truck does not affect the running truck behind. b. When the elevation angle of the load-bearing cable is greater than 5 degrees, a concave vertical roller group should be installed at the station entrance, and the curvature radius of the roller group should be sufficient to ensure that the upward force of the load-bearing cable cannot be dislodged when the heavy truck passes through the roller group, and the truck cannot be knocked off the track when the truck is empty. When the elevation of the load-bearing cable is greater than 8%, a vertical roller group should be installed at the station entrance, and the curvature radius of the roller group should be calculated according to the vertical pressure on the roller group used for traction compensation. It shall not be greater than the allowable pressure on the truck. 7-2.2 The design of the station entrance for horizontal traction trucks shall meet the following requirements: a. When the load case leaves the station in a single load, the case-carrying wheels are installed at the station entrance without the need to install vertical wheels: when the load case leaves the station at a medium distance, the number of rollers of the wheel group shall be determined according to the upward force of the traction case. 7.2.3 The disconnector and coupling device used for the lower traction truck shall meet the following requirements: a. When the truck load case and the traction rope are connected, the running speed of the two shall be consistent, and the positive and negative difference shall not be greater than 5% of the actual running speed of the traction case; b. The traction case should be able to run smoothly without vibration during the hooking and unhooking process. The bending angle of the traction rope on the supporting wheel in the hook and unhooking device is 1%-2%; the height of the traction system guide wheel before and after the hook should be slightly adjusted. The acceleration of the truck on the flat rail before the hook and the deceleration of the truck on the flat rail after the unhooking device should not be greater than the horizontal distance between the track center line of the unhooking device and the hook and the traction center line is ±1.5mm. The height difference between the working surface of the track and the control machine guide rail and the horizontal distance deviation between the center load are both ±1.51, 7.3 suspension track
7.31 According to the size of the four-wheeled lower traction truck, the track in the station building should meet the following requirements: The track adopts rolled head fan rail.
b. The cut-off length of the hanging rail shall be calculated based on the distance of the trucks arranged closely together. The flat rail section where the trucks are not disconnected shall be calculated based on the design distance and multiplied by the dynamic coefficient of 1.1. 5 A straight section of not less than 2m shall be provided close to the entrance and exit of the hook or disconnector. The radius of curvature of the curved track on the plane shall meet the requirements of Table 5.
Cargo running speed
Minimum plane curvature radius m
On the auxiliary rail where the trucks are stored, the minimum plane curvature shall not be less than 2m + The radius of curvature of the pad and the auxiliary rail on the vertical surface shall not be less than G m,
d. There shall be a straight section between the reverse arcs of the regular track, and its length shall not be less than 1.5n. e. The 1m long fan behind the car stopper should have a radian, which should be 1.5% for the straight section and 3.5~2.5% for the curved section with a radius of 1m. GB/T 15388.194: The additional running force coefficient of the truck on the straight section is 0.0065 when the truck weight is less than or equal to 7.51kN and 0.0055 when the truck weight is greater than 7.5kN. The additional running force coefficient of the truck on the curved section should be calculated according to formula (14): 1
In the formula, the additional running force coefficient of the truck on the curved section is +【——the wheelbase of the truck wheel, mR——the plane curvature radius of the curved section track, I. (14
1. The additional resistance of the truck passing through the relevant facilities in the station should be converted into high pressure, estimated, 0.07m for the track, 0.01m for the unloading support, 0.1m for the screw positioner, 0.005m per meter for the single guide plate, and 0.H08tn for the double guide plate. 1. The hanging hook and hanger spacing of the flat rail should be determined by stiffness calculation, and should not exceed the following values: the straight section of the empty car should not exceed 2m, the straight section of the empty car should not exceed 3.0m, and the spacing on the curved section can be appropriately reduced according to the different radius of the plane curve. There should be no less than two points on each rail, and the height of the hanging point from the lifting joint should not be less than 500mm. The hook should meet the function of adjusting the opening height. 7.3.2 The design of the horizontal roller group should meet the following requirements: H
Automatic corner station level The diameter of the wheel of the wheel group should not be less than 60mm, and the width should not be less than 14mm: h. The angle of the guide on each wheel should not exceed 3\ When the truck passes the horizontal wheel group, the hydraulic force acting on the gap should not be greater than 1. c
7.3.3 The fan arrangement of the automatic corner station and the automatic return station should meet the following requirements:,, The diameter of the traction element entering or leaving the return snake or horizontal roller group is 500Dmm before and after the installation of the wide support, and the corresponding rail on it should be pointed to the height until the truck's load device passes through the wide support: h The difference between the corresponding flat rail on the wide support and the corresponding flat rail on the return wheel or horizontal roller group should be replaced by a vertical arc with a radius of not less than 5000mm, and the reverse rails should be Straight section with a passenger capacity of not less than 1500m
The relative gap between the corresponding flat rails on the horizontal plane before or after the truck enters and leaves the return wheel or horizontal hydraulic wheel group should be connected by a horizontal reverse class with a radius of not less than 1M0m: the reverse class should be connected to a straight section of not less than 1500m.
The clearance of the truck in the station should meet the following requirements: In the sheltered station, the lateral dynamic control of the truck on the self-sustaining section is 8%, and the directional swing is calculated as 14%. The swing caused by centrifugal force should also be taken into account on the curved section.
b In non-sheltered stations, the lateral swing of the truck is calculated at 16%, and the directional swing is 14. If necessary, a guide device should be installed. c. When the truck moves 11 times laterally, the minimum clearance size in the station is as follows: the height between the truck and the wall, The distance between the truck and the protruding part shall not be less than 0.3m.
7.5 Supporting equipment and monitoring devices
7.5.1 When a spring-loaded towing device is used and the truck running speed is greater than 3.0m/s, an add-sub device shall be installed. 7.5.2 All types of trucks shall be equipped with a closed-loop disengagement status monitoring device. 8 Trucks
8.1 The selection of trucks shall meet the following requirements: n. Select a tipping unloading truck or a bottom-opening unloading truck based on the characteristics of the materials being transported. b. Select a bottom-pulled truck or a horizontal traction truck based on the complexity of the load path. When the load capacity exceeds 32kN and the running height is greater than 3.6m, a spring-loaded towing truck should be selected. 11.
1. When the unloading port is equipped with a screen, the height of the truck from the ground shall be calculated in addition to the limit size after the bucket box is turned over, and the maximum loss size of the transported material shall also be taken into account.
GB/T15388.1-94
When a truck with bottom doors is used, the maximum limit size of the truck shall be calculated in addition to the opening size of the top door. In the case of longitudinal and transverse swing of the truck, the maximum limit size of the truck (including the limit size after the bucket box is turned over) shall not be less than m from the ground.
c When the truck is unloading in the station, a truck reset device shall be installed in the unloading station. d. For trucks transporting sticky materials, there shall be a car cleaning facility. e. For trucks unloading at any point on the line, it is advisable to install a device on the front loader to prevent the steel cable from moving after the truck is unloaded. 7.2 Station entrance design
7.2. For the station entrance design of the lower-load truck, the following requirements shall be met: When the inclination angle of the load-bearing cable is not greater than 5% and the exit deviation is not greater than 3, only the supporting wheel can be installed at the station entrance without the vertical roller group. However, it should be verified that the front running truck does not affect the running truck behind. b. When the elevation angle of the load-bearing cable is greater than 5 degrees, a concave vertical roller group should be installed at the station entrance, and the curvature radius of the roller group should be sufficient to ensure that the upward force of the load-bearing cable cannot be dislodged when the heavy truck passes through the roller group, and the truck cannot be knocked off the track when the truck is empty. When the elevation of the load-bearing cable is greater than 8%, a vertical roller group should be installed at the station entrance, and the curvature radius of the roller group should be calculated according to the vertical pressure on the roller group used for traction compensation. It shall not be greater than the allowable pressure on the truck. 7-2.2 The design of the station entrance for horizontal traction trucks shall meet the following requirements: a. When the load case leaves the station in a single load, the case-carrying wheels are installed at the station entrance without the need to install vertical wheels: when the load case leaves the station at a medium distance, the number of rollers of the wheel group shall be determined according to the upward force of the traction case. 7.2.3 The disconnector and coupling device used for the lower traction truck shall meet the following requirements: a. When the truck load case and the traction rope are connected, the running speed of the two shall be consistent, and the positive and negative difference shall not be greater than 5% of the actual running speed of the traction case; b. The traction case should be able to run smoothly without vibration during the hooking and unhooking process. The bending angle of the traction rope on the supporting wheel in the hook and unhooking device is 1%-2%; the height of the traction system guide wheel before and after the hook should be slightly adjusted. The acceleration of the truck on the flat rail before the hook and the deceleration of the truck on the flat rail after the unhooking device should not be greater than the horizontal distance between the track center line of the unhooking device and the hook and the traction center line is ±1.5mm. The height difference between the working surface of the track and the control machine guide rail and the horizontal distance deviation between the center load are both ±1.51, 7.3 suspension track
7.31 According to the size of the four-wheeled lower traction truck, the track in the station building should meet the following requirements: The track adopts rolled head fan rail.
b. The cut-off length of the hanging rail shall be calculated based on the distance of the trucks arranged closely together. The flat rail section where the trucks are not disconnected shall be calculated based on the design distance and multiplied by the dynamic coefficient of 1.1. 5 A straight section of not less than 2m shall be provided close to the entrance and exit of the hook or disconnector. The radius of curvature of the curved track on the plane shall meet the requirements of Table 5.
Cargo running speed
Minimum plane curvature radius m
On the auxiliary rail where the trucks are stored, the minimum plane curvature shall not be less than 2m + The radius of curvature of the pad and the auxiliary rail on the vertical surface shall not be less than G m,
d. There shall be a straight section between the reverse arcs of the regular track, and its length shall not be less than 1.5n. e. The 1m long fan behind the car stopper should have a radian, which should be 1.5% for the straight section and 3.5~2.5% for the curved section with a radius of 1m. GB/T 15388.194: The additional running force coefficient of the truck on the straight section is 0.0065 when the truck weight is less than or equal to 7.51kN and 0.0055 when the truck weight is greater than 7.5kN. The additional running force coefficient of the truck on the curved section should be calculated according to formula (14): 1
In the formula, the additional running force coefficient of the truck on the curved section is +【——the wheelbase of the truck wheel, mR——the plane curvature radius of the curved section track, I. (14
1. The additional resistance of the truck passing through the relevant facilities in the station should be converted into high pressure, estimated, 0.07m for the track, 0.01m for the unloading support, 0.1m for the screw positioner, 0.005m per meter for the single guide plate, and 0.H08tn for the double guide plate. 1. The hanging hook and hanger spacing of the flat rail should be determined by stiffness calculation, and should not exceed the following values: the straight section of the empty car should not exceed 2m, the straight section of the empty car should not exceed 3.0m, and the spacing on the curved section can be appropriately reduced according to the different radius of the plane curve. There should be no less than two points on each rail, and the height of the hanging point from the lifting joint should not be less than 500mm. The hook should meet the function of adjusting the opening height. 7.3.2 The design of the horizontal roller group should meet the following requirements: H
Automatic corner station level The diameter of the wheel of the wheel group should not be less than 60mm, and the width should not be less than 14mm: h. The angle of the guide on each wheel should not exceed 3\ When the truck passes the horizontal wheel group, the hydraulic force acting on the gap should not be greater than 1. c
7.3.3 The fan arrangement of the automatic corner station and the automatic return station should meet the following requirements:,, The diameter of the traction element entering or leaving the return snake or horizontal roller group is 500Dmm before and after the installation of the wide support, and the corresponding rail on it should be pointed to the height until the truck's load device passes through the wide support: h The difference between the corresponding flat rail on the wide support and the corresponding flat rail on the return wheel or horizontal roller group should be replaced by a vertical arc with a radius of not less than 5000mm, and the reverse rails should be Straight section with a passenger capacity of not less than 1500m
The relative gap between the corresponding flat rails on the horizontal plane before or after the truck enters and leaves the return wheel or horizontal hydraulic wheel group should be connected by a horizontal reverse class with a radius of not less than 1M0m: the reverse class should be connected to a straight section of not less than 1500m.
The clearance of the truck in the station should meet the following requirements: In the sheltered station, the lateral dynamic control of the truck on the self-sustaining section is 8%, and the directional swing is calculated as 14%. The swing caused by centrifugal force should also be taken into account on the curved section.
b In non-sheltered stations, the lateral swing of the truck is calculated at 16%, and the directional swing is 14. If necessary, a guide device should be installed. c. When the truck moves 11 times laterally, the minimum clearance size in the station is as follows: the height between the truck and the wall, The distance between the truck and the protruding part shall not be less than 0.3m.
7.5 Supporting equipment and monitoring devices
7.5.1 When a spring-loaded towing device is used and the truck running speed is greater than 3.0m/s, an add-sub device shall be installed. 7.5.2 All types of trucks shall be equipped with a closed-loop disengagement status monitoring device. 8 Trucks
8.1 The selection of trucks shall meet the following requirements: n. Select a tipping unloading truck or a bottom-opening unloading truck based on the characteristics of the materials being transported. b. Select a bottom-pulled truck or a horizontal traction truck based on the complexity of the load path. When the load capacity exceeds 32kN and the running height is greater than 3.6m, a spring-loaded towing truck should be selected. 112 The design of the station entrance for horizontal traction trucks shall meet the following requirements: a. When the load case leaves the station in a single load, the case-carrying wheels are installed at the station entrance without the need to install vertical wheels. When the load case leaves the station at a medium distance, the number of rollers of the wheel group shall be determined according to the upward force of the traction case. 7.2.3 The disconnector and coupling device used for the lower traction truck shall meet the following requirements: a. When the truck load case and the traction rope are connected, the running speed of the two shall be consistent, and the positive and negative difference shall not be greater than 5% of the actual running speed of the traction case. b. The traction case should be able to run smoothly without vibration during the hooking and unhooking process. The bending angle of the traction rope on the supporting wheel in the hook and unhooking device is 1%-2%; the height of the traction system guide wheel before and after the hook should be slightly adjusted. The acceleration of the truck on the flat rail before the hook and the deceleration of the truck on the flat rail after the unhooking device should not be greater than the horizontal distance between the track center line of the unhooking device and the hook and the traction center line is ±1.5mm. The height difference between the working surface of the track and the control machine guide rail and the horizontal distance deviation between the center load are both ±1.51, 7.3 suspension track
7.31 According to the size of the four-wheeled lower traction truck, the track in the station building should meet the following requirements: The track adopts rolled head fan rail.
b. The cut-off length of the hanging rail shall be calculated based on the distance of the trucks arranged closely together. The flat rail section where the trucks are not disconnected shall be calculated based on the design distance and multiplied by the dynamic coefficient of 1.1. 5 A straight section of not less than 2m shall be provided close to the entrance and exit of the hook or disconnector. The radius of curvature of the curved track on the plane shall meet the requirements of Table 5.
Cargo running speed
Minimum plane curvature radius m
On the auxiliary rail where the trucks are stored, the minimum plane curvature shall not be less than 2m + The radius of curvature of the pad and the auxiliary rail on the vertical surface shall not be less than G m,
d. There shall be a straight section between the reverse arcs of the regular track, and its length shall not be less than 1.5n. e. The 1m long fan behind the car stopper should have a radian, which should be 1.5% for the straight section and 3.5~2.5% for the curved section with a radius of 1m. GB/T 15388.194: The additional running force coefficient of the truck on the straight section is 0.0065 when the truck weight is less than or equal to 7.51kN and 0.0055 when the truck weight is greater than 7.5kN. The additional running force coefficient of the truck on the curved section should be calculated according to formula (14): 1
In the formula, the additional running force coefficient of the truck on the curved section is +【——the wheelbase of the truck wheel, mR——the plane curvature radius of the curved section track, I. (14
1. The additional resistance of the truck passing through the relevant facilities in the station should be converted into high pressure, estimated, 0.07m for the track, 0.01m for the unloading support, 0.1m for the screw positioner, 0.005m per meter for the single guide plate, and 0.H08tn for the double guide plate. 1. The hanging hook and hanger spacing of the flat rail should be determined by stiffness calculation, and should not exceed the following values: the straight section of the empty car should not exceed 2m, the straight section of the empty car should not exceed 3.0m, and the spacing on the curved section can be appropriately reduced according to the different radius of the plane curve. There should be no less than two points on each rail, and the height of the hanging point from the lifting joint should not be less than 500mm. The hook should meet the function of adjusting the opening height. 7.3.2 The design of the horizontal roller group should meet the following requirements: H
Automatic corner station level The diameter of the wheel of the wheel group should not be less than 60mm, and the width should not be less than 14mm: h. The angle of the guide on each wheel should not exceed 3\ When the truck passes the horizontal wheel group, the hydraulic force acting on the gap should not be greater than 1. c
7.3.3 The fan arrangement of the automatic corner station and the automatic return station should meet the following requirements:,, The diameter of the traction element entering or leaving the return snake or horizontal roller
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