Some standard content:
Mechanical Industry Standard of the People's Republic of China
Pit-and-lane man-carrying vehicle
Subject content and scope of application
JB549591
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of pit-and-lane man-carrying vehicles. This standard applies to pit-and-lane man-carrying vehicles with an inclination of less than 3° for transporting personnel underground and on the ground. 2 Reference standards
GB4695
Technical conditions for hot-rolled cylindrical helical springs
Narrow-gauge locomotive wheel tread shape and size GB4786.1～4786.5 Open wheelset for narrow-gauge mining vehicles GB5622
JB2299
TB1335
TB1402
General technical conditions for narrow-gauge mining vehicles
Product labels
Painting colors and safety signs for mining, engineering, hoisting and transportation machinery products Railway vehicle strength design and test and identification specifications General technical conditions for loose, shed and flat cars
Product classification, basic parameters and models
Product classification
The products are divided into closed and semi-closed types according to the structural form, and into 12 and 18 people according to the capacity. Basic parameters
The basic parameters of narrow-gauge flat-lane vehicles for mining should comply with the provisions of the following table. This reference
Overall dimensions (length×width×height)
Bogie center distance
Traction height (from rail surface)
Maximum allowable traction
Maximum operating speed
Minimum turning radius
Approved by the Ministry of Machinery and Electronics Industry on July 10, 1991RP-18/9
RP-18/7
4300×1400×1530
RP-12/6
4280×1030×1525
1992 -07-01 Implementation
3.3 Model marking
3.4 Marking example
JB549591
Gauge code
Number of seats
Planing vehicle code
Planing vehicle code
Planing vehicle with -12 seats and 600mm track gauge: Pingxiang vehicle RP-12/6JB5495-91
4 Technical requirements
4.1 Pingxiang vehicles shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.2 Pingxiang vehicles shall comply with the general technical requirements in GB5622. 4.3 The comfort coefficient shall not be less than 0.30. The per capita occupied width shall not be less than 440mm. The comfort factor K is calculated according to formula (1):
Where: S is the floor area of the carriage, m\,
(1)
Number of seats, pcs.
4.4 The materials of all parts must have a certificate of conformity from the supplier, otherwise they must be identified and tested and can only be used after they are qualified. The performance of the substitute material should not be lower than the performance required by the original design. 4.5 The bottom plate is made of patterned steel plate or other similar steel plate, and can also be paved with wooden boards. 4.6 Technical requirements for main parts
4.6.1: The shape and size of the wheel tread of the man-carriage shall comply with the provisions of GB4695. 4.6.2 The wheel pair of the man-carriage shall comply with the provisions of GB4786.1~4786.5. With the consent of the user, a new wheel pair that has passed the technical appraisal may also be used.
The buffer spring for the man-carriage shall comply with the provisions of GB1239.4. 4.6.3
The safety factor of the traction rod, three-link chain and latch is 13 (calculated as the ratio of the breaking tension to the maximum allowable traction force). 4.6.42
4.6.5 Frame
4.6.5.1 After the frame is assembled, the length deviation is ±10mm, and the difference between the two diagonals is less than 12mm. 4.6.5.2 The height difference between the four ends of the two supporting bolsters of the frame and the rail surface is not more than 3mm, the span tolerance is not more than 5mm, and the difference between the two diagonals is not more than 10mm.
4.6.6 Buffer
4.6.6.1 The cast steel buffer shall comply with the provisions of Article 2.4 of GB5622. 4.6.6.2 There must be a gap of not less than 2mm between the buffer head and the buffer seat. After the collision of the two vehicles, the buffer head can flexibly return to its original position under the action of the spring force.
4.6.7 Connector
4.6.7.1 The traction connector must be equipped with a spring. 4.6.7.2 The safety factor of the connector assembly shall not be less than 13. 4.6.8 Car body
4.6.8.1 The length deviation of the car body is ±10mm, the width and height deviation are ±5mm, and the verticality of its end face and side face to the frame is 8
4 mm.
JB549591
4.6.8.2 The door position should be symmetrical, and windows should be installed on both sides of the car, and there should be protective devices to prevent the hands and heads of passengers from being exposed. 4.6.8.3 The car body should be equipped with seats and backrests with smooth surfaces, and the backrests should be easy to disassemble. 4.6.8.4 There should be movable windows at both ends of the car body for observation and stretcher entry and exit. 4.6.8.5 There should be bars at the door of the car body, which should be closed during operation and should not fall off automatically. 4.6.8.6 The end panels, side panels, doors and windows of the vehicle body shall not have sharp protruding edges and corners, and shall have a smooth appearance and rounded transition. 4.6.9 Steering gear
4.6.9.1 After the steering gear is manufactured, the flatness of the plane where the four supporting points are located shall be less than 1mm, and the difference between the diagonals shall not exceed 3mm. 4.6.9.2 The steering gear shall be equipped with a shock-absorbing device. The upper and lower core plates of the steering gear shall rotate flexibly and have good contact. 4.6.10 Braking device
Pingxiang people-driven vehicles are generally not equipped with braking devices. Hand brake devices can be installed according to user needs, and the braking devices should work reliably. 4.7 Assembly and appearance quality requirements
4.7.1 All assembly parts and components must be qualified products, and purchased and outsourced parts must have qualified certification documents before they can be assembled. 4.7.2 After the steering gear is assembled with the car body, it should be able to rotate freely 10° to 15° in the vertical and horizontal planes relative to the car body; the symmetry of its rotation centerline relative to the longitudinal center plane of the car body shall not exceed 10mm; the limit clearance of the upper and lower core plates of the bogie is 34mm. 4.7.3 The traction centerline of the connector and the longitudinal center plane of the car body shall be symmetrical to the longitudinal center plane of the frame, and their symmetry shall not be greater than 10mm.
4.7.4 For the assembled man-car, the height difference between the upper plane or the lower plane of the same end of the frame steel and the rail surface shall not be greater than 3mm. 4.7.5 The assembled man-car is placed on a straight track for inspection. No wheel is allowed to have a gap greater than 2mm from the rail surface. 4.7.6 The wheelbase a and az of the assembled wheelset are measured between every two reference points. The deviation from the nominal size of the wheelbase is ±1.5mm, and the difference between the diagonal dimensions b and b shall not be greater than 3mm (see the figure below). 4.7.7 The deviation of the overall dimensions of the assembled man-carriage is ±5mm in total width and traction height, ±8mm in total height, and ±10mm in total length. 4.7.8 The seats and pads in the car shall not have defects that affect the strength. After assembly, the parts shall not have any movement. 4.7.9 Before painting, burrs, scale, rust, welding slag and other dirt must be removed from all parts of the man-carriage. Metal parts should be painted with one layer of anti-rust paint and one layer of topcoat. The paint color should comply with the relevant provisions of JB2299. The paint should be complete, firm, and uniform in color, and there should be no cracks, bubbles, missing paint, sagging, accumulation, etc.
4.8 When the man-carriage is running on the smallest curve, the deflection of the end of the car body shall not exceed 100mm. 4.9 Quality assurance and life span
4.9.1 The user shall comply with the requirements of the instruction manual. If the quality problems are caused by poor manufacturing quality (excluding wearing parts) within the 6-month service period from the date of delivery, the manufacturer shall be responsible. 4.9.2 The service life of the man-carrying vehicle shall not be less than 5 years, and the first overhaul period shall not be less than 2 years. 9
5 Test methodsbzxZ.net
5.1 Inspection of structure and external dimensions
JB5495-91
The structure and external dimensions of the man-carrying vehicle shall be inspected visually and with general measuring tools, and the results shall comply with the provisions of Table 1 and 4.6.5, 4.6.8, and 4.6.9.
5.2 Inspection of welds
The appearance of welds shall be inspected visually or with a magnifying glass (before painting). The weld bite shall be inspected with a steel plate ruler and a depth gauge, and shall comply with the provisions of 1.3 to 1.6 of GB5622.
5.3 Riveting quality inspection
Inspect the appearance quality of rivets visually, and then use a small hammer to knock on the rivets one by one to see if they are loose. For suspicious ones, use a 0.1mm feeler gauge to inspect the contact surface between the rivet and the workpiece. During inspection, the feeler gauge must not touch the root of the rivet, and the inspection range must not be less than 1/3 of the rivet circumference. 5.4 Structural strength test
The test is carried out on a specially designed ramp and curved track using the collision method. The radius of curvature of the curved track is the minimum turning radius of the man-car. The man-car runs at a speed of 3m/s on a 3° ramp and collides with another man-car parked at a 90° turning angle on the curve. After three collisions under no-load and heavy-load (counterweight) conditions, check the bonding quality and welding quality of each connection between the man-car and the man-car; check whether all parts and components of the man-car are loose, cracked or deformed. And check the external dimensions again. 5.5 Basic parameters and performance inspection of wheelsets
5.5.1 Inspection of tread shape and size
Make a wheel tread sample according to GB4695 and contact it with the tread of the wheel to be inspected to check whether its shape and size meet the standard requirements. 5.5.2 Inspection of tread hardness
Select three measuring points (evenly distributed) on the wheel tread and inspect according to the requirements specified in Chapter 3 of GB4786.2. 5.5.3 Inspection of basic dimensions of wheelset
The assembled wheelset shall be inspected with universal measuring tools, and the results shall comply with the provisions of Chapter 1 of GB4786.1 and the provisions of 4.7.6 of this standard.
5.5.4 Inspection of wheel shape, size and quality The shape and size of the wheel shall be inspected with universal measuring tools, the appearance quality shall be inspected by visual inspection, and the mechanical properties of the wheel material shall be inspected on a material testing machine, and the results shall comply with the provisions of GB4786.2. 5.6 Inspection of spring
The inspection of springs shall be carried out in accordance with the relevant requirements of GB1239.4. 5.7 Overload static tensile test and breaking tensile test The overload static tensile test (3% of the samples) and breaking tensile test (1% of the samples but not less than 3 pieces) of the traction rod, three-link chain, latch and connector shall be carried out on a material testing machine. The overload static tensile force shall be 5 times the maximum allowable traction force, and the permanent deformation in the test shall not exceed 1%; the breaking tensile force shall be 13 times the maximum allowable traction force. 5.8 Inspection of steering angle of steering gear
The steering angle shall be inspected by rotating the bogie, not less than twice. Each inspection shall be carried out by rotating the bogie to the limit position in the horizontal and vertical planes, and measuring the position of the bogie. The turning angle shall comply with the provisions of Article 4.7.2. 5.9 Inspection of wheel-rail clearance
Place the man-car on a dedicated horizontal track, and then insert the plug gauge into the contact position of the four wheel treads and the track of each group. If the plug gauge cannot be inserted into the four contact positions of each group by more than 2mm, it is considered qualified. 5.10 Inspection of symmetry between the traction center plane and the longitudinal center plane of the frame Place the man-car on a horizontal track, and use a special measuring tool to measure the traction center line of the man-car and the longitudinal center plane of the frame respectively. The symmetry shall comply with the provisions of Article 4.7.3.
5.11 Inspection of paint quality
The paint quality shall be visually inspected and shall comply with the provisions of Article 4.7.9. 10
5.12 Inspection of the sway of the carriage
JB5495—91
The sway of the end of the carriage is measured on the smallest curve with a slope angle of less than 3°, when the man-carriage is towed by the locomotive at a speed of 3m/s. Its value shall comply with the provisions of Article 4.8.
6 Inspection rules
6.1 Man-carriages must be inspected and qualified by the inspection department of the manufacturer and accompanied by a product certificate before they can leave the factory. 6.2 Before the man-carriage is delivered (put into storage), it must be inspected and inspected by the factory. If necessary, additional inspection items can be added according to the contract requirements. 6.3 The items of factory inspection include:
Overall dimensions and traction height;
The distance between the axle and the bogie;
Basic parameters of the wheelset;
Weld quality;
Riveting quality;
Symmetry of the traction centerline to the longitudinal center plane of the frame; Symmetry of the center plane of the car body to the center plane of the frame; Symmetry of the steering gear rotation centerline to the longitudinal center plane of the frame; Bogie rotation angle;
Paint quality.
6.4 Type inspection shall be carried out in any of the following cases: a.
Trial determination and identification of new products or old products transferred to the factory for production: After formal production, if there are major changes in structure, materials, and processes that may affect product performance; When the product is resumed after a long period of suspension (more than three years); Under normal production conditions, it shall be carried out every two years; When the national quality supervision agency proposes a type inspection requirement. Type inspection items and requirements shall comply with the relevant provisions of Chapter 4. 6.5
Type inspection adopts a single sampling method, and the sampling quantity is 2% of the annual output (at least not less than 2 units). 6.6
6.7 If one of the parts in the overload static tensile test fails, the test should be repeated with double the number. If there is another failure, the test must be conducted one by one. If one of the parts in the breaking tensile test fails, the test should be repeated with double the number; if there is another failure, the whole batch will be scrapped.
7 Marking, packaging, transportation, storage
Each vehicle should be fixed with a product label in a conspicuous place. Its type and size should comply with the provisions of JB8 and be marked with the following contents: a.
Product model and name;
Main technical parameters;
Factory number and date;
Manufacturer name.
Personnel vehicles are generally not packaged for delivery. For seats, cushions and other easily removable parts, they can be bundled and packaged according to user requirements. 7.2
5 The following documents should be attached to the vehicle when it leaves the factory:
Instructions for use and maintenance;
Product certificate of conformity:
Detailed list and drawings of wearing parts;
Delivery list.
7.4 The vehicle should be placed stably and reliably during transportation to prevent damage from collision. 7.5 Protective measures should be taken for the storage of the vehicle. If the storage time is long (more than two years), the rubber and grease should be checked for expiration and replaced if necessary.
Additional instructions:
JB549591
This standard is proposed by the National Technical Committee for Standardization of Mining Machinery. This standard is under the jurisdiction of the Luoyang Mining Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by the Huainan Mining and Transportation Machinery Factory. The main drafters of this standard are Song Bangwen, Fan Xiaoyi and Han Dehong.12 Inspection of Carriage Swing
JB5495—91
The swing of the end of the carriage is measured on the smallest curve with a slope angle of less than 3°, when the man-carriage is towed by the locomotive at a speed of 3m/s. Its value shall comply with the provisions of Article 4.8.
6 Inspection Rules
6.1 Man-carriages must be inspected and qualified by the inspection department of the manufacturer and accompanied by a product certificate before they can leave the factory. 6.2 Before the man-carriage is delivered (put into storage), it must be inspected and inspected by the factory. If necessary, additional inspection items can be added according to the contract requirements. 6.3 The items of factory inspection include:
Overall dimensions and traction height;
The distance between the axle and the bogie;
Basic parameters of the wheelset;
Weld quality;
Riveting quality;
Symmetry of the traction centerline to the longitudinal center plane of the frame; Symmetry of the center plane of the car body to the center plane of the frame; Symmetry of the steering gear rotation centerline to the longitudinal center plane of the frame; Bogie rotation angle;
Paint quality.
6.4 Type inspection shall be carried out in any of the following cases: a.
Trial type identification of new products or old products transferred to the factory for production: After formal production, if there are major changes in structure, materials, and processes that may affect product performance; When the product is resumed after a long-term suspension of production (more than three years); Under normal production conditions, it shall be carried out every two years; When the national quality supervision agency proposes a type inspection requirement. Type inspection items and requirements shall comply with the relevant provisions of Chapter 4. 6.5
Type inspection adopts a single sampling method, and the sampling quantity is 2% of the annual output (at least not less than 2 units). 6.6
6.7 If one of the parts in the overload static tensile test fails, the test should be repeated with double the number. If there is another failure, the test must be conducted one by one. If one of the parts in the breaking tensile test fails, the test should be repeated with double the number; if there is another failure, the whole batch will be scrapped.
7 Marking, packaging, transportation, storage
Each vehicle should be fixed with a product label in a conspicuous place. Its type and size should comply with the provisions of JB8 and be marked with the following contents: a.
Product model and name;
Main technical parameters;
Factory number and date;
Manufacturer name.
Personnel vehicles are generally not packaged for delivery. For seats, cushions and other easily removable parts, they can be bundled and packaged according to user requirements. 7.2
5 The following documents should be attached to the vehicle when it leaves the factory:
Instructions for use and maintenance;
Product certificate of conformity:
Detailed list and drawings of wearing parts;
Delivery list.
7.4 The vehicle should be placed stably and reliably during transportation to prevent damage from collision. 7.5 Protective measures should be taken for the storage of the vehicle. If the storage time is long (more than two years), the rubber and grease should be checked for expiration and replaced if necessary.
Additional instructions:
JB549591
This standard is proposed by the National Technical Committee for Standardization of Mining Machinery. This standard is under the jurisdiction of the Luoyang Mining Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by the Huainan Mining and Transportation Machinery Factory. The main drafters of this standard are Song Bangwen, Fan Xiaoyi and Han Dehong.12 Inspection of Carriage Swing
JB5495—91
The swing of the end of the carriage is carried out on the smallest curve with a slope angle of less than 3°, when the man-carriage is towed by the locomotive at a speed of 3m/s. Its value shall comply with the provisions of Article 4.8.
6 Inspection Rules
6.1 Man-carriages must be inspected and qualified by the inspection department of the manufacturer and accompanied by a product certificate before leaving the factory. 6.2 Before the man-carriage is delivered (put into storage), it must be inspected and inspected by the factory. If necessary, additional inspection items can be added according to the contract requirements. 6.3 The items of factory inspection include:
Overall dimensions and traction height;
The distance between the axle and the bogie;
Basic parameters of the wheelset;
Weld quality;
Riveting quality;
Symmetry of the traction centerline to the longitudinal center plane of the frame; Symmetry of the center plane of the car body to the center plane of the frame; Symmetry of the steering gear rotation centerline to the longitudinal center plane of the frame; Bogie rotation angle;
Paint quality.
6.4 Type inspection shall be carried out in any of the following cases: a.
Trial determination and identification of new products or old products transferred to the factory for production: After formal production, if there are major changes in structure, materials, and processes that may affect product performance; When the product is resumed after a long period of suspension (more than three years); Under normal production conditions, it shall be carried out every two years; When the national quality supervision agency proposes a type inspection requirement. Type inspection items and requirements shall comply with the relevant provisions of Chapter 4. 6.5
Type inspection adopts a single sampling method, and the sampling quantity is 2% of the annual output (at least not less than 2 units). 6.6
6.7 If one of the parts in the overload static tensile test fails, the test should be repeated with double the number. If there is another failure, the test must be conducted one by one. If one of the parts in the breaking tensile test fails, the test should be repeated with double the number; if there is another failure, the whole batch will be scrapped.
7 Marking, packaging, transportation, storage
Each vehicle should be fixed with a product label in a conspicuous place. Its type and size should comply with the provisions of JB8 and be marked with the following contents: a.
Product model and name;
Main technical parameters;
Factory number and date;
Manufacturer name.
Personnel vehicles are generally not packaged for delivery. For seats, cushions and other easily removable parts, they can be bundled and packaged according to user requirements. 7.2
5 Personnel vehicles should be accompanied by the following documents when leaving the factory:
Instructions for use and maintenance;
Product certificate of conformity:
Detailed list and drawings of wearing parts;
Delivery list.
7.4 Personnel vehicles should be placed stably and reliably during transportation to prevent damage from bumps. 7.5 Protective measures should be taken for the storage of personnel vehicles. If the storage time is long (more than two years), the rubber and grease should be checked for expiration and replaced if necessary.
Additional instructions:
JB549591
This standard is proposed by the National Technical Committee for Standardization of Mining Machinery. This standard is under the jurisdiction of the Luoyang Mining Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by the Huainan Mining and Transportation Machinery Factory. The main drafters of this standard are Song Bangwen, Fan Xiaoyi and Han Dehong.
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