Some standard content:
ICS 91.220
Chinese People's Government National Standard
GB 19155—2003
Height work hanging platform
Temporarily installedcd suspended access equipment2003-05-23 Issued
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine
2003-11-01 Implementation
GB 19155--2003
Bid standard
Technical requirements
Test methods
7 Inspection rules
8 Marking, packaging, transportation, storage
9 Inspection, operation and maintenance
Test record form for suspended platform for high-altitude operation
Appendix A (extract of tips)
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GB19155-2003
5.2.2, 5.2.3, 5.2.4.5.2.6.5.2.7, 5.2.8, 5.3.5, 5.4.3.1, 5.4, 3.3, 5.4.3.5, 5.4.5. 1.5.4.5.2, 5.4.5.6, 5.4.6.2, 5.4.6.6, 5.4.7.4, 5.4.7.5 and 5.4.7.6 are mandatory, and the rest are recommended and vary from place to place. The use of work hanging baskets is becoming more and more widespread, and their structural forms are constantly increasing. This standard is formulated to meet the needs of the market. This standard is formulated on the basis of five standards, namely, European Standard 2RFV1806:1996 Suspended Access Equipment and American Standard ANS1A12C.1:1992 Safety Conditions for Power Suspension for Building Maintenance, JG/T5032-93 Suspended Basket for High-altitude Operation, JG5027-92 Safety Rules for Suspended Basket for High-altitude Operation, JG/T5033-G3 Hoist for Suspended Basket for High-altitude Operation, JG5034-93 Safety Lock for Chain for High-altitude Operation and TG/T5025-32 Performance Test Method for Suspended Basket for High-altitude Operation. From the date of entry into force of this standard, IG/T5032-93, IG/T5033-93, G5034-93, JG/T5025-92 and JG5027-92 will be invalid.
Appendix A of this standard is a reminder appendix.
This standard is proposed by the Ministry of Construction of the People's Republic of China. This standard is under the jurisdiction of Beijing Construction Machinery Research Institute, the technical unit of the Ministry of Construction's machinery and equipment standards. The drafting units of this standard are: China Academy of Building Research, Construction Machinery Research Institute, Beijing Kaibo Machinery Technology Co., Ltd., Beijing Beichen Machinery Factory, Beijing Institute of Building Engineering, Xishan Zhonghao Construction Machinery Co., Ltd., Wuxi Tongtian Construction Machinery Co., Ltd., Yuanxi Xiaotian Building Materials Machinery Factory, Shanghai Hongkou Construction Machinery Factory, Haibao Chaozhu Jinbian Structural Engineering Co., Ltd. The main contributors to this standard are: Xue Baoxin, Chen Guolan, Huo Yulan, Yu Lianye Yourenhui, Shen Renlin, Xiao Bingheng, Zhu Jingming, Han Huiliang. 1 Standard National Standard of the People's Republic of China Tenporarily installed access cradle Tenporarily installed access cradle GB19155—2003 This standard specifies the definition, classification, technical requirements, test methods, inspection plan, marking, packaging, transportation, storage, inspection, maintenance and operation of tenporarily installed access cradle. This standard is applicable to tenporarily installed access cradle (hereinafter referred to as tenporarily installed access cradle). 2 Reference Standards The provisions contained in the following standards constitute the provisions of this standard through reference in the content standards. When this standard is issued, the versions shown are valid. All standards will be revised, and the parties using the standards should explore the possibility of using the latest versions of the following standards. GH3883.1-2000 Safety of hand-held electric tools: Part 1: Requirements for high-speed use (IEC6074-1: 190?) GB5111994 Safety regulations for tower cranes
GB/T5972--1986 Practical specification for inspection and scrapping of steel wire used in lifting machines (ISO309:1981) GB/78918---1996 Steel wire rope maintenance (TS02403:J985) 13306-1991 Labels
CH 19.51--29G3 Window cranes
JG7150:1.11992 General technical specifications for steel castings for construction machinery and equipmentJG! 50:1.2-1922 General technical conditions for grey iron castings for construction machinery and equipment JG/T 50:1.7 - 1992
General technical conditions for repairing defects in castings for construction machinery and equipment JG/T5011.ti--1992 Technical conditions for forgings for construction machinery and equipment IG/T3012--1992 Technical conditions for packaging of construction machinery and equipment 1G/1082.:199S General technical conditions for welded parts of construction machinery and equipment 3 Definitions
This standard adopts the following definitions:bzxz.net
3.1 Temgorarily installed suspended access cquipnient hanging mechanism is a non-permanent hanging device installed on a building or structure, which drives the suspended platform to avoid running along the side of the hoist.
3.2 Suspender platform
Suspender platform
It is a hanging device used for carrying workers or materials to perform operations at heights. 3.3 Suspension mechanism A mechanism for erecting a platform on a building or structure over a wire rope 3.4 Mis-lifting device A device for operating under a suspended platform, Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China in 2003·C5-23 Implementation No. 2303-11-01 Ratcd lifting capacity 3.4.1 Rated lifting capacity The rated load of a hoist: 3.5 Safety lock GB 19155-2003 A device that can automatically lock the safety wire rope to stop the suspended platform from sliding down or tilting when the descending speed of the platform reaches a critical speed or the tilting angle of the suspended platform reaches a critical change 3.5.1 Locking rope speed speed The relative instantaneous angle between the wire rope and the safety collar when the safety lock starts to lock the wire rope. 3.5.2 Hocking rope angle The angle at which the safety lock automatically locks the safety wire rope to make the suspended object flat. 3.5.3 Juck rope distance of free fall The descent distance of the wire rope from the suspended platform to the safety lock. 3.5.4 Effective safety lock is the maximum impact force pernissiblefore the safety lock is allowed to bear when it is in operation within the specified period. 3.5.5 Permissiblefore impact force the safety lock is allowed to bear. 3.6 Rated load The maximum effective lift of the suspended platform allowed by the suspended platform. Rated speed The suspended platform is raised or lowered under rated load. 3.8 Test eccentric load The weight generated by the rated or measured value when the centre of gravity is located at 1/2 of the total length at one end of the suspended platform. 3.9 Static test load: Gravity generated by 150% of the rated load 3. 10 Dynamic test: Gravity generated by 125% of the rated load 3.11 Overload protection device: To stop the movement of the suspended platform when it is lifted 3.12 Limiting device: To limit the movement of parts or the loss filter to be limited 4 Classification 4.1 Type: Suspension platforms are divided into manual, pneumatic and electric according to the driving mode. 4.2 Main parameters and their series
The main parameters of the link chain are expressed in rated load capacity. The main parameter series are shown in Table 1. Table 1 Main state number series
Lan parameter effect
Rated load
4.3 Model
Main parameter series
13c,136,2c0,250.200.359.203,5(03,636,800,1 (00C,1 2504.3.1 The model number is changed from category, group, model code, characteristic code, main capacity code, number of layers of the structure of the crane platform to the code group?
4. 3.2 Marking example:
GB 19155—2003
Update code: Use capital printed Chinese phonetic letters to represent the main parameter code, rated code, ke
Characteristic code: climbing type-P, hoisting type-. Type code: manual-S, pneumatic-Q, electric toughness (can save the road)
Group code quantity product basket—
Class code: decoration machine
base crane
a) rated Rated load capacity 5c dynamic, single-layer
height working with basket 21mm 500%
b) Rated cutting weight that is electric, double
height working crane 00A
c) Rated load weight 30kg, single-layer or
height working crane scn
c) Rated load k pneumatic, single-layer
height working crane full 2P530
GB IS155
e) Rated cutting capacity 3kg electric, reel-type high-altitude working crane ZLJ300
5 Technical requirements
5.1 General requirements
5.1.1 The hanging basket should be manufactured in accordance with the drawings and technical documents specified in the specifications.
5.1.2 The self-made parts of the basket shall be inspected and assembled. 5.1.3 Standard parts, external parts and new parts shall have the characteristics of assembly, raw materials shall meet the requirements of the product group, and the supply shall be guaranteed. 5.1.4 The manufacturer shall take samples for inspection and use them after they are qualified. P
The numbers 2, ··, indicate that the single layer is not marked. The raw materials used for key parts and components shall be inspected according to the relevant standards. Only qualified ones can be marked and certified. 5.1.5 The same type of parts produced by the manufacturer shall have some connection. 5.1.6 The crane shall be able to work normally in the following environment: Ambient temperature -20℃~-=10℃;
h): The ambient humidity is not more than 90% (23%): The power supply voltage deviates from the rated value by +5%;
4:7203
TWorking place wind speed is not more than 8.3m/ cabinet (equivalent to level 5 wind force), building design related requirements;
The building or structure support should be able to withstand the full flux of the hanging basket: the building should be convenient for the safe installation and use of the hanging basket during design and construction, and provide safe exit and entry passages for workers; the floor should be equipped with a safety ring or a pre-installation comprehensive inspection for the hanging basket-its diameter should not be less than 16mm; (l
Four buildings should not be provided with a good source of H for the use of the basket: 3
GB19155-2003
) The basket should be used in time and the relevant information on the installation of the basket should be provided. 5.2 Safety technical requirements
5.2.1 Structural safety factor:
a) When the load-bearing structural parts of the hanging basket are plastic injection materials: calculated according to the material's service point, its safety factor should be less than 2:5) The load-bearing parts of the hanging basket When the structural parts are made of plastic materials, the strength limit of the material shall be calculated, and the safety factor shall not be less than 5; the safety factor of the structure shall be calculated according to the following formula (1): S=/oaoff
S--the total strength of the structure:
6--the service point of the material (plastic material or material strength limit (non-plastic material). MPa The stress generated by the dead weight of the structure, MPa;
. The stress generated by the rated load, MPa; d,--the stress generated by the wind load, MPa;
"Stress concentration factor, 1.10:
——--dynamic load energy coefficient, 1.2.
The product basket is in the working state. According to the influence of wind load: in the working state, the basic pressure value should not exceed 50CPa: in the non-working state, when the installation height of the basket is 60m, the basic wind load value that can be withstood should not be less than 1915P, and every increase of 30 r1, basic air duct pressure increase; 165 Pa; other fixed device structures are not designed to calculate the wind pressure value according to 1,5 times the wind value 5.2.2 The suspension basket brake must have the required load of the dynamic test load, and stop within the braking distance of 150mm. 5.2.3 The upper travel limit device must be set. 5.2.4 Each hanging point of the basket must be equipped with 2 wire retractors. The safety wire rope must be equipped with a safety lock or an independent safety device with the same function. During normal operation, the safety wire rope must be connected to the safety lock and the independent safety device with the same function. 5.2.5 The hoist shall be equipped with an overload protection device.
5.2.6 The basket shall be equipped with a manual descending device to make the hoist descend smoothly when the power is on. 5.2.7 Under normal working conditions, the ratio of the anti-tilt moment to the overturning moment of the hoist shall not be less than 25.2.8 The wire rope hanging point and the end of the half platform shall not be less than 1/2 of the total length of the hoist platform. The ratio of the anti-tilt moment of the hoist structure to the maximum moment caused by the rated load concentrated at the center of the platform extension section shall not be less than 3. 5.2. All exposed transmission parts of the hoist shall be equipped with protective devices. 5.2.10 The connection shall comply with the following provisions:
a) The quality of the main load-bearing welds shall comply with the requirements of Grade 13 of 1G/T5082.10, and the medium shall be subjected to quality inspection; when connecting accessories with high-strength bolts, the connection surface shall be free of dust, paint, oil and rust, and torque plates or tools shall be used to tighten them according to design and installation technical requirements. 5.2.11 The provisions for structural component change are as follows: a) If corrosion, wear and tear and other reasons occur in the main structure of the crane, the design stress of the structure will be increased. When the stress exceeds 10% of the original calculated stress, it should be reported. For those without calculation conditions, when the corrosion depth reaches 10% of the original thickness of the component, it should be scrapped: When the main receiving component produces permanent deformation and cannot be repaired, it should be scrapped: c) The foundation mechanism, the lifting frame and other overall instability cannot be repaired and should be scrapped: 6) When cracks appear in the structural parts and their welds, the original should be analyzed and strengthening measures should be taken according to the stress and crack elimination conditions. It can only be used when it meets the original design requirements, otherwise it should be reported. 5.3 Requirements for hanging platform
5.3.1 The hanging platform shall have the ability to overload 2% of the rated load during the dynamic test. 5.3.2 The hanging platform shall have the ability to overload 50% of the rated load during the net force test. 5.3.3 The rated speed of the hanging platform shall not exceed 18m/min. 5.3.4 The trigger lowering device shall be sensitive and reliable, and the descending speed shall not be greater than 1.5 times of the rated speed GB 19155--2003
5.3.5 When the hanging basket is subjected to the static test load, the brake acts for 15min and the sliding distance shall not be greater than 0mlm5.3.6 When the hanging basket is working under the rated load, the noise value at the operator's ear shall not be higher than 35d3 (), and the maximum value outside the machine shall not be less than -80 B(A)
5.3.7 All the safety devices installed on the hanging basket shall not hinder the emergency escape from the dangerous operation. 5.3.8 All the components of the hanging basket shall adopt effective anti-separation measures. 5.4 Technical requirements for main components
5.4.1 Suspension mechanism
5.4.1.1 The suspension mechanism shall have sufficient strength and rigidity. When the unilateral hanging platform is suspended, it should be able to bear the weight of the platform, the weight of the wire box and the deadweight of the steel wire.
5.1.t.2 The action of the hanging mechanism on the top surface of the building or on the building should meet the bearing requirements of the building structure. When the load of the hanging mechanism is borne by the embedded parts of the roof, the safety factor of the embedded parts should not be less than 3. 5.4.1.3 The counterweight is marked with a quality mark,
5.4.1.4 The counterweight should be accurately and accurately installed on the counterweight point. 5.4.2 Suspension platform
5.4.2.1 The suspension platform should have sufficient strength and rigidity. When it is required to bear twice the rated load, there should be no phenomenon such as weld cracks, rivet penetration and structural damage. 5.4.2.2 When the total suspension platform is subjected to the dynamic test load, the maximum virtual deflection of the platform shall not be greater than 1/309 of the platform length. 5.4.2.3 When the suspension platform is subjected to the test deflection load, the wire mesh is opened on the simulation, and the safety lock locks the wire diameter. The stress value at the dangerous section shall not exceed the allowable stress of the material. 5.4.2.4 The strength of the material at the dangerous section of the suspension platform shall be checked when it is subjected to a fixed load on one side. 5.4.2.5 The suspended platform shall be equipped with a fixed safety guardrail. The expanded guardrail shall be equipped with a belly bar. The guardrail height of the upper surface shall not be less than C.Sm. The rest of the parts shall not be less than 1.m. The guardrail shall be able to withstand a horizontal concentrated load of 1cOV. 5.4.2.6 The platform interior height shall not be less than 0.4m, and a non-slip bottom plate shall be provided. The effective area of the bottom plate shall not be less than 0.25m/person. The maximum diameter of the drainage hole of the plate shall be 1cm.
5.4.2.7 The bottom of the suspension platform is surrounded by baffles with a height of not less than 150m, and the gap between the baffle and the bottom plate is not greater than; m:05.4.2.8 The longitudinal inclination angle of each T-piece of the suspension should not be greater than. 5.4.2.9 The rated load and precautions should be clearly indicated on the suspension platform. 5.4.2.10 The suspension platform should be equipped with an operating button switch, and the operating system should be sensitive and available. 5.4.2.11 The suspension platform should be equipped with a tower wheel or a guide device or a buffer device. 5.4.3 Climbing hoist
5.4.3.1 The transmission system of the hoist adopts a close expansion and friction transmission between the wheels. 5.4.3.2 The ratio of the hoist sheave point to the wire rope diameter should not be less than 20. 5.4.3.3 The hoist must be equipped with a brake, and its braking force should be greater than 1.5 times the rated lifting torque. The brake curtain must be equipped with a manual release device, and the action should be sensitive.
5.4.3.4 The hoist should be able to withstand 125% rated lifting force, and the motor speed should not be lower than 180% of the rated speed. 5.4.3.5 The manual hoist must be equipped with a locking device. The power conversion between the machine and the machine should be accurate, safe and reliable. 5.4.3.6 The operating force applied to the handle end of the manual hoist should not be greater than 230V. 5.4.3.7 The hoist should have good rope threading performance and the rope should not be stuck. 5.4.3.8 The hoist and the lifting platform should be connected, and the connection strength should not be less than 20,000. 5.4.4 Winch hoist
Winch hoists shall comply with the provisions of 5.8 of GB19154--2003. 5.4.5 Safety lock
5.4.5.1 The functions of the safety lock or its independent safety device with the same function shall meet the following requirements: GB19155-20C3
a) For centrifugal trigger safety lock, when the maximum platform running speed reaches the safety lock locking angle, it can automatically lock the safety wire and the hanging platform will stop within the range of 200mm; h) For swing arm anti-tilt safety lock, when the longitudinal tilt angle of the hanging platform is not more than 8 when working, it can automatically lock and stop running; r) The safety lock or the stationary safety device with the same function shall not be able to automatically reset in the locked rope state. 5.4.5.2 When the safety lock is subjected to the static test load, it shall be stationary for 15 minutes and there shall be no slippage. 5.4.5.3 The locking rope speed of the high-center triggered safety lock shall not exceed 30m/min. 5.4.5.4 The allowable impact force of the safety lock shall be calculated according to formula (2): (2) Wherein, F is the allowable impact force. kN
Impact coefficient, generally taken as ~-3,
Double hanging point: the amount caused by the sum of 50% of the hanging weight and 5% of the rated load, kN. Single hanging point: hanging weight is the rated load and sales. 5.4.5.5 The safety lock and the platform should be connected reliably. 5.4.5.6 The safety lock must be replaced within a specified period. 5.4.6 Wire rope
5.4.6.1 The hanging basket should be made of high-height, galvanized, and flexible wire rope. 5. 4. 6. 2
In the formula:
The safety factor of the wire rope should not be less than 9. The minimum breaking force of a single wire shall be: rated load, deadweight of the suspended platform. 5.4.6.3 The fixed distance of the wire rope ends shall comply with the provisions of GB/T59721986#5.4.6.4 The minimum diameter of the working wire rope shall not be less than the allowable impact resistance of GB13/T89. The performance shall be calculated as follows: The minimum ignition temperature of the safety wire rope shall be consistent with the model and specification of the working wire rope. 5.4.6.5.
5.4.6.6 Safety wire rope must be independent
5. 4. 7 Electrical control system
East working steel
+++(3)
It is required that: the inspection and scrapping of wire ropes shall comply with 9538
The wire rope is in the basic state of operation
5.4.7.1 The power supply of the electrical control system shall be three-phase to one-wire system. The connection and grounding wires shall be separated, and the grounding wire shall be yellow-green. 5.4.7.2 The electrical system of the hanging basket shall be reliably connected to the power supply, and the grounding resistance shall not be greater than 49. There shall be a grounding mark at the connection device, and the electrical control part shall have waterproof, shockproof and dustproof measures. The connection shall be solid and the insulation shall be reliable. The door of the electric control cabinet should be locked. 5.4.7.3 The lifting and closing action of the control button should be accurate. The exposed part should be made of insulating core material. It should be able to withstand the voltage test of 50H12 sinusoidal waveform, 125℃V voltage for 1 second. 5.4.7.4 The insulation voltage between the normal power supply and the machine should not be less than 2 M0.5.4.7.5 The electrical system must be equipped with overheating, short circuit, leakage protection and other devices. 5.4.7.6 The suspension platform must be equipped with an emergency stop button to cut off the power supply control circuit in an emergency. The circuit is independent of each control circuit: the emergency stop button is red and has a clear "emergency stop" mark, and cannot be reset automatically. 5.4.7.7 The electrical control box should operate reliably, with clear and accurate markings. 5.4.7.8 Measures should be taken to prevent the accompanying cable from hitting the supporting building, over-tightening or other damages. 5.5 Manufacturing, assembly and appearance quality requirements 5.5.1 Manufacturing and assembly quality requirements
GB 19155--2003
5.5.1.1 The quality of cast iron parts shall meet the requirements of JG/T5011.1 and G/T5011.1; the quality of forgings shall meet the requirements of JG/T5011.8; the repair of casting defects shall meet the requirements of JG/T5011.7; the quality of welds shall meet the requirements of 1G/T5082.1. 5.5.1.2 All lubrication points on the hanging basket shall be filled with lubricant. 5.5.1.3 The reducer shall not Oil leakage, oil seepage shall not exceed one place (leakage is considered oil leakage if the amount of oil seepage exceeds one drop within 13 minutes, and seepage is considered seepage if the amount of oil seepage is less than one drop).
5.5.1.4 The basket shall be operated with no load, rated load and overload, and shall be raised and lowered smoothly during operation, with correct lifting and cutting movements, and the limit devices and safety locks shall be sensitive, safe and reliable.
5.5.1.5 The working direction of the three handles shall be clearly marked with arrows. 5.5.2 Appearance quality requirements
5.5.2. 1. The surface of the parts shall not have defects such as melting and scratching. The exposed surface of the processed parts shall be treated with anti-rust. Beautiful, according to the empty painting technology
5.5.2.2 The visible outer surface of the hanging basket shall be strong and shall not have wrinkles, peeling, paint leakage, flow marks, bright bubbles, etc. 5.5.2.3 The cover shall be flat: there shall be no diameter exceeding 1TE
5.6 Reliability requirements
a) When the hanging basket is subjected to the rated scene, the hoist||tt ||0.5 result (cumulative working time without fault working h) manual lifting crane can bear the rated weight. When the hoist changes operation frequently, the brake should be greater than 6
Test method
Test prototype
The test prototype should be equipped with all devices specified in the design. No repair or replacement is required during the process. The test should have consistent run, color, adhesion and installation.
6.2 Test conditions
The test site should be flat
Test environment temperature:
The wind speed during the test does not exceed
+40℃
The grid input voltage during the test should be smooth. The power supply test load should be accurately calibrated, with a difference of "19%". The working time before the first failure should be not less than
, and the accuracy should be greater than 92%.
The number of cycles should be broken, and it should be clearly in accordance with the relevant technical regulations. After the test, the load of the hanging basket test is the rated capacity, the static test load and the dynamic test load are all required technical documents.
6.3 Test instruments and tools
The test instruments and tools should only be used within the validity period of the calibration of the measurement unit. 6.3.1
The accuracy of the test instruments and tools should meet the following deviation ranges unless otherwise specified: 6.3.2
a) mass, force, length, time and velocity... +1%; ) current and voltage - +2%:
d) direction
e) temperature
6.4 Test device
±2%.
The basket test device can use a test frame or structure with a simulated breaking mechanism. The test frame or structure should be able to make the lifting and lowering distance of the crane not less than its strength and speed to meet the test requirements. 6.4.2 The safety lock test can adopt a safety lock test device and a self-falling test device. 6.4.2.1 The safety lock test device should be able to set the safety lock to move the wire rope, and can test the locking speed or locking accuracy of the safety wire rope and the displacement.
6.4.2.2 The simulated horse-climbing self-pad exposure test device should be able to simulate the rope breaking condition of holding the basket. 6.5 Insulation performance test
The insulation withstand voltage test shall be carried out in accordance with the provisions of GB 3883.1. 6.6 Safety lock test
6.6.1 Safety lock rope speed test
Fix the cross lock to be tested on the test device and put the test device! The wire rope is passed through the safety lock, and the test device is started to move the wire. When the moving speed of the wire rope reaches the locking speed of the safety lock, the safety lock shall immediately lock the safety wire rope. The test is continued for 20 seconds. The test results are recorded in Table A1 (Appendix A). 6.6.2 Safety lock rope angle test
Lift the suspension platform to a height of m from the ground and keep it stationary. Make the suspension platform gradually in an inclined state. Carry out three tests according to the rated load and dynamic test load respectively. Test the inclination degree of the suspension platform when the safety lock is in action and record the test results in Table A2. 6.6.3 Safety lock static slip test
Fix the safety lock to be tested on the test device to lock the wire rope, apply a static test load, and the static slippage is 1C. mi: Determine the slippage of the safety collar relative to the steel wire, conduct three tests, and record the test results in Table A3. 6.6.4 Safety lock simulated suspension platform free fall lock rope distance test. Fix the safety lock to be tested on the simulated suspension platform free fall test device, simulate the rope breaking condition, and connect A4 load condition for test. Determine the free fall rope lock distance·Test times, and record the test results in Table A1.6.7 No-load operation test
Lift the platform up and down in a stroke of less than 6 TT, test the lowering speed and motor dynamism, test three times, and record the test results in Table A1
6.8 Rated load operation test
6.8.1 Evenly distribute the rated or intended loads in the platform - lift them up and down in a stroke of not less than m, test the lowering speed and motor dynamism. Test times, and record the test results in Table A5.
6.8.2 The rated loads in the platform are placed in the left and right positions respectively, and they are lifted up and down in a stroke of not less than 5 TT. Test the lifting speed and motor power. Each test is recorded three times and the test results are recorded in Table A. 6.9 Overload operation test
The dynamic test load is evenly distributed in the suspension platform. Lift and lower in a stroke of not less than 5m. Test the lifting accuracy and motor precision. Test three times and record the test results in Table A5
6.10 Noise measurement
The noise measurement is carried out according to the T. of Table A6. Test three times and record the measurement results in Table A6: 6.10.1 The position of the operator's slow sound measurement point is 13 meters away from the reference horizontal distance of the departure surface and 1 meter above the departure surface. The position is centered on the position where the operator usually stands outside
6. 10.2 The external noise measurement point is 7 m from the ground and 1.5 m from the ground. 6.10.3 The noise level measured is (6-0)3(A). The test value shall be reduced by the maximum noise correction value in Table 2: If the background noise is lower than the measured noise level by 6 d3A, the difference between the measured noise level and the noise level shall be calculated as follows: 6.11 Braking performance test 6.11.1 Slip distance determination GB 19155-2003 The static load test platform is located at a distance of 13 mm from the ground. The brake is applied to measure the appropriate slip distance. The measurement results shall be recorded in Table A7.
6. 11. 2 Braking distance measurement
When the dynamic test load in the hanging platform is descending steadily, cut off the power supply of the hoist to make it descend, and measure the sliding displacement (braking distance) of the hanging platform from the time when the power is cut off to the complete stop. Test it three times and record the measurement results in Table A7. 6.12 Manual descent speed test
Under the rated load, release the brake and measure the descending displacement of the hanging platform (not less than 2 meters). The test time is 3 times, and the test results are recorded in Table A7.
6.13 Suspension platform strength and rigidity test
6.13.1 The platform is placed at a height of 15 meters above the ground. Test the platform according to the load test A8 to measure the maximum stress and lift. Test twice and record the test results in Table A8.
6.13.2 The platform is subjected to a uniformly distributed rated load of 2 mm and is placed 15 mir above the ground. Check the welding, connecting parts and structural parts of the platform and record the test results in Table A9.
6.14 Anti-overturning and stress test of suspension mechanism 6.14.1 Anti-overturning test of suspension mechanism
Install the suspension mechanism to be tested on a flat field pool and collect The short load of twice the overturning force (including the equivalent load generated by the rated load, the weight of the hanging platform, the weight of the wire rope, the weight of the cable and the specified wind load) is hung on the end of the support mechanism and left to stand for 10 minutes. During the test, the suspension mechanism should be kept balanced, and its bracket should not leave the ground. The test results are recorded in Table A1C6.14.2 Stress test of suspension mechanism
Install the suspension mechanism on the horizontal grid site. After the front load is stable, test according to the load and working conditions in Table A11, measure the stress at the dangerous surface, test three times, and record the test results in Table A11.6.15 Reliability test
6. 15.1 Test conditions. 6. 15.1.1 The platform shall be subjected to the rated load and the lifting height shall not be less than 5 m. The test cycle number shall not be less than 3000 times. The test ... -
Reliability assessment indicators are calculated according to (1), (5), and (7): First effective fault time MTTFF
MTTFE...1
The operating time before the failure, hours.
b) Mean time between failures MTBF
Where: 1 - Cumulative working time, hours;6.10.2 The external noise measurement point is 7 m away from the ground and 1.5 m away from the ground. 6.10.3 The background noise measured is (6-0)3(A). The test value should be reduced by the maximum noise correction value in Table 2: If the background noise is lower than the measured noise by 6 d3A, the difference between the measured and the generated noise should be calculated as follows: 6.11 Braking performance test 6.11.1 Determination of sliding distance GB 19155-2003 Static load test load in the suspension platform. ! ! At the same time, the brake is applied to the elevator for 13mm and the sliding distance is measured. The measurement results are recorded in Table A7.
6.11.2 Brake clearance measurement
When the dynamic test load in the elevator is steadily descending, the power supply of the hoist is cut off to make it descend. The sliding displacement (braking distance) of the elevator platform from the power cut off to the complete stop is tested three times and the measurement results are recorded in Table A7. 6.12 Manual descent speed test
Under the rated load, release the brake and measure the displacement of the suspended platform (not less than 2 meters) for the duration of the test. The test results are recorded in Table A7.
6.13 Suspension platform strength and rigidity test
6.13.1 The platform is placed at a height of 15 meters above the ground. Test the platform according to the load test A8 to measure the maximum stress and lift. Test twice and record the test results in Table A8.
6.13.2 The platform is subjected to a uniformly distributed rated load of 2 mm and is placed 15 mir above the ground. Check the welding, connecting parts and structural parts of the platform and record the test results in Table A9.
6.14 Anti-overturning and stress test of suspension mechanism 6.14.1 Anti-overturning test of suspension mechanism
Install the suspension mechanism to be tested on a flat field pool and collect The short load of twice the overturning force (including the equivalent load generated by the rated load, the weight of the hanging platform, the weight of the wire rope, the weight of the cable and the specified wind load) is hung on the end of the support mechanism and left to stand for 10 minutes. During the test, the suspension mechanism should be kept balanced, and its bracket should not leave the ground. The test results are recorded in Table A1C6.14.2 Stress test of suspension mechanism
Install the suspension mechanism on the horizontal grid site. After the front load is stable, test according to the load and working conditions in Table A11, measure the stress at the dangerous surface, test three times, and record the test results in Table A11.6.15 Reliability test
6. 15.1 Test conditions. 6. 15.1.1 The platform shall be subjected to the rated load and the lifting height shall not be less than 5 m. The test cycle number shall not be less than 3000 times. The test ... -
Reliability assessment indicators are calculated according to (1), (5), and (7): First effective fault time MTTFF
MTTFE...1
The operating time before the failure, hours.
b) Mean time between failures MTBF
Where: 1 - Cumulative working time, hours;6.10.2 The external noise measurement point is 7 m away from the ground and 1.5 m away from the ground. 6.10.3 The background noise measured is (6-0)3(A). The test value should be reduced by the maximum noise correction value in Table 2: If the background noise is lower than the measured noise by 6 d3A, the difference between the measured and the generated noise should be calculated as follows: 6.11 Braking performance test 6.11.1 Determination of sliding distance GB 19155-2003 Static load test load in the suspension platform. ! ! At the same time, the brake is applied to the elevator for 13mm and the sliding distance is measured. The measurement results are recorded in Table A7.
6.11.2 Brake clearance measurement
When the dynamic test load in the elevator is steadily descending, the power supply of the hoist is cut off to make it descend. The sliding displacement (braking distance) of the elevator platform from the power cut off to the complete stop is tested three times and the measurement results are recorded in Table A7. 6.12 Manual descent speed test
Under the rated load, release the brake and measure the displacement of the suspended platform (not less than 2 meters) for the duration of the test. The test results are recorded in Table A7.
6.13 Suspension platform strength and rigidity test
6.13.1 The platform is placed at a height of 15 meters above the ground. Test the platform according to the load test A8 to measure the maximum stress and lift. Test twice and record the test results in Table A8.
6.13.2 The platform is subjected to a uniformly distributed rated load of 2 mm and is placed 15 mir above the ground. Check the welding, connecting parts and structural parts of the platform and record the test results in Table A9.
6.14 Anti-overturning and stress test of suspension mechanism 6.14.1 Anti-overturning test of suspension mechanism
Install the suspension mechanism to be tested on a flat field pool and collect The short load of twice the overturning force (including the equivalent load generated by the rated load, the weight of the hanging platform, the weight of the wire rope, the weight of the cable and the specified wind load) is hung on the end of the support mechanism and left to stand for 10 minutes. During the test, the suspension mechanism should be kept balanced, and its bracket should not leave the ground. The test results are recorded in Table A1C6.14.2 Stress test of suspension mechanism
Install the suspension mechanism on the horizontal grid site. After the front load is stable, test according to the load and working conditions in Table A11, measure the stress at the dangerous surface, test three times, and record the test results in Table A11.6.15 Reliability test
6. 15.1 Test conditions. 6. 15.1.1 The platform shall be subjected to the rated load and the lifting height shall not be less than 5 m. The test cycle number shall not be less than 3000 times. The test ... -
Reliability assessment indicators are calculated according to (1), (5), and (7): First effective fault time MTTFF
MTTFE...1
The operating time before the failure, hours.
b) Mean time between failures MTBF
Where: 1 - Cumulative working time, hours;
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