Railway wagon maintenance anti-collision device and transfer tool thereof

Abstract

This invention discloses a railway freight car maintenance anti-collision device and its transfer tooling, including an anti-collision steel body. A limiting mechanism is provided on the front side of the anti-collision steel body, comprising a longitudinal limiting plate, a vertical limiting plate, and an auxiliary limiting plate. An anti-detachment mechanism is also provided on the front side of the anti-collision steel body, comprising connecting steel bars, adjusting pins, and connecting chains. Two sets of anti-collision steel bodies are provided, connected by two sets of supporting steel bodies. Four sets of reinforcing ribs are fixedly connected between the two sets of anti-collision steel bodies and the two sets of supporting steel bodies. The anti-collision steel body, supporting steel bodies, limiting mechanism, and detachment mechanism constitute the anti-collision device. When a collision occurs, the protective shell pushes a pushing block forward. The pushing block pushes the guide rod of the shock absorber. Under the action of the shock absorber, the guide rod of the shock absorber pushes the pushing block backward. The pushing block pushes the protective shell, and the protective shell slides back and forth on top of the anti-collision steel body, solving the problem of damage to the anti-collision steel body due to long-term collisions.

Description

Technical Field

[0001] This invention relates to the field of railway freight car maintenance technology, specifically to a railway freight car anti-collision device and its transfer tooling. Background Technology

[0002] In traditional maintenance, after the coupler is removed, a winch is used to transport vehicles that are not under maintenance into the maintenance workshop. Its disadvantage is that after entering the maintenance workshop, the car body will slide a distance in the maintenance workshop due to inertia, and collisions will occur between the car bodies, causing deformation of accessories such as foot ladders, and sometimes even injuring maintenance personnel, adding many uncontrollable factors to subsequent maintenance; A railway freight car anti-collision device and its usage method with application number 201611204951.6 includes an anti-collision frame, a limiting baffle and a baffle fixing rib. The anti-collision frame includes a first impact channel steel and two second impact channel steels. One end of the two second impact channel steels is respectively vertically fixed to both ends of the first impact channel steel. The other end of the two second impact channel steels is also provided with a limiting protrusion. The limiting baffle is fixed to one end of the baffle fixing rib. The limiting baffle can prevent the device from rotating. The other end of the baffle fixing rib is also fixed to the first impact channel steel. The second impact channel steel and the baffle fixing rib are both set on the same side of the first impact channel steel to solve the problem that the end wall and accessories on the end wall are damaged due to collisions between vehicles during the movement of the vehicle;

[0003] When subjected to gravity in the vertical direction, the device may detach and lose its anti-collision function. It is also only applicable to 70-ton railway freight cars, resulting in poor versatility. In addition, the daily maintenance workload in the maintenance workshop is large, and the anti-collision device involves multiple process areas during use. It needs to be used repeatedly from installation to unloading. Since the installation process area and the unloading area are relatively far apart, transportation is crucial. After long-term use, the surface of the device will develop grooves or damage due to frequent collisions. If the device is damaged and then subjected to another impact, it will be directly damaged and unusable, affecting work efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a railway freight car maintenance anti-collision device and its transfer tooling to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a railway freight car maintenance anti-collision device, comprising an anti-collision steel body, a limiting mechanism on the front side of the anti-collision steel body, the limiting mechanism including a longitudinal limiting plate, a vertical limiting plate and an auxiliary limiting plate, an anti-detachment mechanism on the front side of the anti-collision steel body, the anti-detachment mechanism including a connecting steel bar, an adjusting pin and a connecting chain, a protective shell on the rear side of the anti-collision steel body, and two sets of anti-collision steel bodies, the rear set of which has two sets of fixing slots on its rear surface, and the front surface of the protective shell has a sliding slot, and two sets of supporting steel bodies connect the two sets of anti-collision steel bodies. The anti-collision steel body slides inside the sliding slot. Two sets of shock absorbers are fixedly connected inside the two sets of fixed slots. A first fixing ring is fixedly connected to the rear inner wall of the anti-collision steel body near the two sets of fixed slots. The interior of each first fixing ring is fixedly connected to the two sets of shock absorbers. Pushing blocks are fixedly connected to the guide rods of the two sets of shock absorbers. The rear surfaces of the two sets of pushing blocks are fixedly connected to the rear inner wall of the protective shell. A fixing plate is fixedly connected between the two sets of supporting steel bodies. Two sets of second fixing rings are fixedly connected to the rear surface of the fixing plate. The interior of each set of second fixing rings is fixedly connected to the front end of each set of shock absorbers.

[0006] By adopting the above technical solution, when the protective shell is impacted, it will slide on the surface of the anti-collision steel body, thus protecting the surface of the anti-collision steel body.

[0007] Optionally, four sets of reinforcing ribs are fixedly connected between the two sets of anti-collision steel bodies and the two sets of supporting steel bodies. The front surface of the front set of anti-collision steel bodies is fixedly connected to the longitudinal limiting plate near the middle. The anti-collision steel bodies, the supporting steel bodies, the limiting mechanism, and the anti-falling mechanism constitute an anti-collision device. There are two sets of vertical limiting plates. The two sets of vertical limiting plates are fixedly connected to the front surface of the front set of anti-collision steel bodies. A limiting slot is opened on the upper surface of the right vertical limiting plate.

[0008] By adopting the above technical solution, two sets of supporting steel bodies connect two sets of anti-collision steel bodies together, four sets of reinforcing ribs connect and fix the two sets of supporting steel bodies and the two sets of anti-collision steel bodies, and two sets of vertical limiting plates support the anti-collision device.

[0009] Optionally, the auxiliary limiting plate is provided in two sets, the rear surface of the two sets of auxiliary limiting plates is fixedly connected to the front surface of the front set of anti-collision steel bodies, and the front surface of the connecting steel strip is fixedly connected to the inner groove of the front set of anti-collision steel bodies.

[0010] By adopting the above technical solution, two sets of auxiliary limiting plates connect the anti-collision device to the vehicle body buffer seat, and the connecting steel strip is fixedly connected to the inner wall of the anti-collision steel body to facilitate the connection of the connecting chain to it.

[0011] Optionally, the connecting steel bar is snapped into one end of the connecting chain, the connecting chain is fixedly connected to the adjusting pin, and the adjusting pin is fixedly connected to the upper surface of a set of auxiliary limiting plates on the right side.

[0012] By adopting the above technical solution, the connecting chain is fixed on the adjusting pin, which facilitates the connection of the anti-collision device to the vehicle body buffer seat.

[0013] Optionally, the front side of the anti-collision device is provided with a 60-ton or 70-ton vehicle body buffer seat.

[0014] By adopting the above technical solution, the two sets of car body buffer seats with different tonnages can be replaced as needed.

[0015] A transfer fixture for a railway freight car maintenance anti-collision device includes two sets of stabilizing rods fixedly connected inside the support plate, four sets of support blocks fixedly connected to the upper surface of the support plate, and two sets of connecting blocks fixedly connected between the two sets of support blocks on the left and the two sets of support blocks on the right.

[0016] By adopting the above technical solution, two sets of connecting blocks fix four sets of support blocks.

[0017] Optionally, two sets of connecting rods are fixedly connected between the two sets of front support blocks and the two sets of rear support blocks, and multiple sets of limiting rods are fixedly connected between the two sets of connecting rods.

[0018] By adopting the above technical solution, an anti-collision device can be inserted between every two sets of limit rods, which facilitates the collection of anti-collision devices. When the space between two sets of limit rods is filled, the anti-collision devices can be stacked and placed.

[0019] Optionally, four sets of fixing rods are fixedly connected between the lower surfaces of the two sets of connecting rods and the upper surface of the support plate.

[0020] By adopting the above technical solution, four sets of fixed rods support two sets of connecting rods.

[0021] Optionally, four sets of support rods are fixedly connected to the lower surface of the support plate, and a fixing block is fixedly connected between the two sets of support rods on the front side and the two sets of support rods on the rear side. The support plate, the support block and the limiting rod form a transfer tooling mechanism.

[0022] By adopting the above technical solution, four sets of support rods support the support plate, and two sets of fixing blocks fix the support rods.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. This railway freight car maintenance anti-collision device and its transfer tooling are easy to install and simple to operate. They have an anti-fall-off function, adopt a standardized design, and can be placed in a special transfer tooling to improve return efficiency. They are reusable and can play an effective protective role. They adopt a lightweight design to reduce the labor intensity of operators.

[0025] 2. This railway freight car maintenance anti-collision device and its transfer tooling utilize the anti-collision device installed on the buffer seat to improve the efficiency of car body transportation and maintenance, effectively ensure installation accuracy, and ensure that the anti-collision device will not fall off after installation. The anti-collision device can be precisely fixed when installed on the buffer seat of a 60-ton or 70-ton car body, and one anti-collision device can be used for vehicles of two tonnage levels, making installation convenient.

[0026] 3. This railway freight car maintenance anti-collision device and its transfer tooling adopt a standardized design. The anti-collision device adopts a standardized design, and the transfer tooling also meets the standardized design concept during the design process. The height of the tooling is accurately calculated to reduce the efficiency and operability of manually placing and removing the anti-collision device. The height of the transfer tooling is reduced. The low transfer tooling is more ergonomic, which facilitates the placement and removal of the device. After stacking, there is a certain space between the upper and lower layers to avoid spatial interference and facilitate forklift stacking operations. The height after stacking does not affect the forklift driver's vision, thus ensuring safe production operations.

[0027] 4. This railway freight car maintenance anti-collision device and its transfer tooling, when a collision occurs, the protective shell pushes the push block forward, the push block pushes the guide rod of the shock absorber, and under the action of the shock absorber, the guide rod of the shock absorber will push the push block backward, the push block pushes the protective shell, and the protective shell slides back and forth on the anti-collision steel body, achieving the beneficial effect of protecting the anti-collision steel body and solving the problem of damage to the anti-collision steel body due to long-term collisions. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of a railway freight car maintenance anti-collision device and its transfer tooling according to the present invention;

[0029] Figure 2 This is a schematic diagram of the overall front view structure of a railway freight car maintenance anti-collision device and its transfer tooling according to the present invention;

[0030] Figure 3 This is a top view schematic diagram of the overall structure of a railway freight car maintenance anti-collision device and its transfer tooling according to the present invention;

[0031] Figure 4 This is a schematic diagram of the protective shell structure of a railway freight car maintenance anti-collision device and its transfer tooling according to the present invention;

[0032] Figure 5This is a schematic diagram of the shock absorber structure of a railway freight car maintenance anti-collision device and its transfer tooling according to the present invention;

[0033] Figure 6 This is a schematic diagram of the transfer tooling for a railway freight car maintenance anti-collision device according to the present invention;

[0034] Figure 7 A schematic diagram of the anti-collision device installed on the 60-ton vehicle body buffer seat of the present invention;

[0035] Figure 8 This is a schematic diagram of the anti-collision device structure installed on the 70-ton vehicle body buffer seat of the present invention.

[0036] In the diagram: 1. Anti-collision steel body; 11. Supporting steel body; 111. Fixing slot; 12. Reinforcing rib plate; 13. Connecting steel bar; 14. Longitudinal limiting plate; 15. Vertical limiting plate; 16. Limiting slot; 17. Auxiliary limiting plate; 18. Adjusting pin; 19. Connecting chain; 2. Support plate; 21. Support block; 22. Connecting block; 23. Connecting rod; 24. Limiting rod; 25. Fixing rod; 26. Support rod; 27. Fixing block; 28. Stabilizing rod; 3. Protective shell; 31. Sliding slot; 32. Pushing block; 33. Shock absorber; 34. First fixing ring; 35. Second fixing ring; 36. Fixing plate; A. Anti-collision device; B. 60-ton vehicle body buffer seat; C. 70-ton vehicle body buffer seat. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please see Figures 1 to 8This invention provides a railway freight car maintenance anti-collision device and its transfer tooling, including an anti-collision steel body 1. A limiting mechanism is provided on the front side of the anti-collision steel body 1, including a longitudinal limiting plate 14, a vertical limiting plate 15, and an auxiliary limiting plate 17. An anti-detachment mechanism is also provided on the front side of the anti-collision steel body 1, including a connecting steel bar 13, an adjusting pin 18, and a connecting chain 19. A protective shell 3 is provided on the rear side of the anti-collision steel body 1. Two sets of anti-collision steel bodies 1 are provided. Two sets of fixing slots 111 are opened on the rear surface of the rear set of anti-collision steel bodies 1. A sliding slot 31 is opened on the front surface of the protective shell 3. Two sets of supporting steel bodies 11 connect the two sets of anti-collision steel bodies 1. The sliding groove 31 slides inside the two sets of fixed grooves 111. Two sets of shock absorbers 33 are fixedly connected inside the two sets of fixed grooves 111. The rear inner wall of the anti-collision steel body 1 is fixedly connected to the two sets of fixed grooves 111. The interior of the first fixed ring 34 is fixedly connected to the two sets of shock absorbers 33. The guide rods of the two sets of shock absorbers 33 are fixedly connected to the push block 32. The rear surface of the two sets of push blocks 32 is fixedly connected to the rear inner wall of the protective shell 3. The two sets of supporting steel bodies 11 are fixedly connected to the fixed plate 36. The rear surface of the fixed plate 36 is fixedly connected to the two sets of second fixed rings 35. The interior of the two sets of second fixed rings 35 is fixedly connected to the front end of the two sets of shock absorbers 33.

[0039] It is worth noting that when a collision occurs, the protective housing 3 pushes the push block 32 forward, the push block 32 pushes the guide rod of the shock absorber 33, and under the action of the shock absorber 33, the guide rod of the shock absorber 33 will push the push block 32 backward, the push block 32 pushes the protective housing 3, and the protective housing 3 slides back and forth on the anti-collision steel body 1, thus achieving the purpose of protecting the anti-collision steel body 1.

[0040] In a preferred embodiment, four sets of reinforcing ribs 12 are fixedly connected between the two sets of anti-collision steel bodies 1 and the two sets of supporting steel bodies 11. The front surface of the front set of anti-collision steel bodies 1 is fixedly connected to the longitudinal limiting plate 14 near the middle. The anti-collision steel bodies 1, supporting steel bodies 11, limiting mechanism, and anti-fall-off mechanism constitute the anti-collision device A. Two sets of vertical limiting plates 15 are provided, and the two sets of vertical limiting plates 15 are fixedly connected to the front surface of the front set of anti-collision steel bodies 1. A limiting groove 16 is provided on the upper surface of the right vertical limiting plate 15. The auxiliary limiting plate 17 is provided in two sets. The rear surface of the two sets of auxiliary limiting plates 17 is fixedly connected to the front surface of the front set of anti-collision steel body 1. The front surface of the connecting steel strip 13 is fixedly connected to the inner groove of the front set of anti-collision steel body 1. The connecting steel strip 13 is snapped to one end of the connecting chain 19. The connecting chain 19 is fixedly connected to the adjusting pin 18. The adjusting pin 18 is fixedly connected to the upper surface of the right set of auxiliary limiting plates 17. The front of the anti-collision device A is provided with a 60-ton vehicle body buffer seat B or a 70-ton vehicle body buffer seat C.

[0041] It should be added that both sets of anti-collision steel bodies 1 have grooves on their inner sides, and two sets of supporting steel bodies 11 are connected between the two sets of anti-collision steel bodies 1. One end of the reinforcing rib 12 is fixedly connected to the inner wall of the groove of the anti-collision steel body 1, and the other end of the reinforcing rib 12 is fixedly connected to the inner side of the supporting steel body 11. The reinforcing rib 12 supports and fixes the anti-collision steel body 1 and the supporting steel body 11. The adjusting pin 18 connects the connecting chain 19 to the vehicle body buffer seat and the anti-collision device A. The limiting mechanism can connect the anti-collision device A to the 60-ton vehicle body buffer seat B or the 70-ton vehicle body buffer seat C. The anti-detachment mechanism is to prevent the anti-collision device A from falling off the 60-ton vehicle body buffer seat. The impact seat B or the 70-ton car body buffer seat C detaches. In the event of a collision, the anti-collision steel body 1 and the supporting steel body 11 will distribute the pressure to achieve the purpose of anti-collision. During use, various types of railway maintenance freight cars enter the primary disassembly process area to disassemble the coupler and buffer device; the anti-collision device is taken out from the transfer tooling and the tail end is horizontally sent into the car body coupler cavity; this tooling is applicable to all 60-ton and 70-ton railway freight cars, including flatcars, open wagons, tank cars, boxcars, etc. Since there is a difference between the impact seats of 60-ton and 70-ton freight cars, the longitudinal limiting plate 14 of the anti-collision device is placed in the slot of the 60-ton freight car impact seat. Place the 70-ton impact seat; position 15 of the vertical limit plate of the anti-collision device is placed in the slot of the 70-ton truck impact seat; after being fully placed, the anti-collision device is in a horizontal position, with the 60-ton locking pin inserted into the limit slot 16, and the 70-ton locking pin also inserted into the limit slot 16; the transfer platform moves the truck equipped with the anti-collision device to the shot blasting line for shot blasting; during the shot blasting process, the truck body is horizontally suspended, and during the shot blasting process, it swings radially with the truck body, and the anti-collision device's anti-detachment function is effective, preventing it from falling off during the swinging process until the shot blasting is completed; the truck body is transferred from the transfer platform to the steel structure disassembly process area, and the transfer platform is used for tossing during the transfer. During train operation, collisions may occur with other trains in front. In the event of an impact, the anti-collision steel body 1 of the anti-collision device can withstand the impact load, and the anti-collision device is activated. The end accessories of the train body can be effectively protected. During the collision, the anti-collision device will bounce due to the impact, and the locking pin will play a role in preventing it from falling off. In the steel structure disassembly area, due to the long work site, it is necessary to hoist and tow the freight cars equipped with anti-collision devices. During towing, multiple cars are often coupled together. The anti-collision device can effectively ensure the spacing between the cars. During hoisting and towing, the vehicles are effectively separated by the anti-collision device, and the end accessories are effectively protected, thus solving the problem of preventing railway freight cars from being damaged by collisions.

[0042] As a preferred embodiment, the transfer fixture for the railway freight car maintenance anti-collision device includes a support plate 2. Two sets of stabilizing rods 28 are fixedly connected inside the support plate 2. Four sets of support blocks 21 are fixedly connected to the upper surface of the support plate 2. Two sets of connecting blocks 22 are fixedly connected between the two sets of support blocks 21 on the left and the two sets of support blocks 21 on the right. Two sets of connecting rods 23 are fixedly connected between the two sets of support blocks 21 on the front and the two sets of support blocks 21 on the rear. Multiple sets of limiting rods 24 are fixedly connected between the two sets of connecting rods 23. Four sets of fixing rods 25 are fixedly connected between the lower surface of the two sets of connecting rods 23 and the upper surface of the support plate 2. Four sets of support rods 26 are fixedly connected to the lower surface of the support plate 2. Fixing blocks 27 are fixedly connected between the two sets of support rods 26 on the front and the two sets of support rods 26 on the rear. The support plate 2, the support blocks 21 and the limiting rods 24 constitute the transfer fixture.

[0043] Furthermore, an anti-collision device A can be inserted between every two sets of limit rods 24. Four sets of fixing rods 25 support two sets of connecting rods 23. Connecting blocks 22 support and fix two sets of support blocks 21. Two sets of stabilizing rods 28 connect the support plate 2. Four sets of support rods 26 support the support plate 2. Two sets of fixing blocks 27 fix the four sets of support rods 26. When the transfer fixture is full, the anti-collision devices A can be stacked to prevent damage. After fullness, a forklift can move the transfer fixture equipped with anti-collision devices to the primary dismantling process area. Transfer fixtures without anti-collision devices are then removed. The transport tooling is returned to the steel structure maintenance area. When in use, after the steel structure dismantling operation is completed, the vehicle equipped with the anti-collision device is transported to the maintenance area. During the transport process, collisions often occur, and the anti-collision device can provide effective protection. After the vehicle enters the maintenance area, the vehicle is moved to the workbench, the anti-collision device is removed from the vehicle body and inserted into the transport tooling. After the transport tooling is full, it can be stacked and placed. The forklift moves the transport tooling with the special anti-collision device to the primary dismantling process area. The transport tooling without the anti-collision device is returned to the steel structure maintenance area.

[0044] Working principle: When this device is used, in the event of a collision, the protective housing 3 pushes the pushing block 32 forward. The pushing block 32 pushes the guide rod of the shock absorber 33. Under the action of the shock absorber 33, the guide rod of the shock absorber 33 pushes the pushing block 32 backward. The pushing block 32 pushes the protective housing 3, and the protective housing 3 slides back and forth on the anti-collision steel body 1, thus achieving the purpose of protecting the anti-collision steel body 1. Various types of railway maintenance freight cars enter the primary disassembly process area to disassemble the coupler and buffer device; the anti-collision device is taken out from the transfer tooling and the tail end is horizontally sent into the car body coupler cavity; this tooling is applicable to all 60-ton and 70-ton railway freight cars, including flatcars and open wagons. For tank trucks, boxcars, and other vehicle types, the impact seats for 60-ton and 70-ton trucks differ. For the 60-ton impact seat, the longitudinal limiting plate 14 of the anti-collision device is placed in the slot of the 60-ton truck's impact seat; for the 70-ton impact seat, the vertical limiting plate 15 of the anti-collision device is placed in the slot of the 70-ton truck's impact seat. After complete placement, the anti-collision device is in a horizontal position, with the locking pin inserted into the limiting slot 16 for both the 60-ton and 70-ton trucks. The truck equipped with the anti-collision device is moved to the shot blasting line on the transfer platform for shot blasting. During the shot blasting process, the vehicle body is horizontally suspended, and the impact plate moves with the vehicle body diameter... During the swaying motion, the anti-collision device's anti-detachment function is activated, preventing it from detaching during the swaying process until shot blasting is completed. The vehicle body is transferred from the transfer platform to the steel structure disassembly area. During transfer, the transfer platform performs a slinging operation, and the vehicle may collide with the vehicle in front. During the impact, the anti-collision device's anti-collision steel body 1 can withstand the impact load, activating the anti-collision device. The end accessories of the vehicle body are effectively protected. During the collision, the anti-collision device bounces due to the impact, and the locking pin prevents detachment. In the steel structure disassembly area, due to the long work area, trucks equipped with anti-collision devices need to be towed by winches. Multiple vehicles often overlap during towing. The anti-collision device effectively ensures the spacing between vehicles. When the vehicle is towed by a winch, the anti-collision device effectively separates the vehicles and protects the end accessories. After the steel structure dismantling operation is completed, the vehicle equipped with the anti-collision device is transferred to the maintenance area. During the transfer process, collisions often occur, and the anti-collision device can provide effective protection. After the vehicle enters the maintenance area, the vehicle is moved to the work platform, the anti-collision device is removed from the vehicle body and inserted into the transfer tool. After the transfer tool is full, it can be stacked and placed. The forklift moves the transfer tool with the special anti-collision device to the primary dismantling process area, and the transfer tool without the anti-collision device is sent back to the steel structure maintenance area.

[0045] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A railway freight car maintenance anti-collision device, comprising an anti-collision steel body (1), characterized in that, The front side of the anti-collision steel body (1) is provided with a limiting mechanism, which includes a longitudinal limiting plate (14), a vertical limiting plate (15) and an auxiliary limiting plate (17). The front side of the anti-collision steel body (1) is provided with an anti-falling mechanism, which includes a connecting steel bar (13), an adjusting pin (18) and a connecting chain (19). The rear side of the anti-collision steel body (1) is provided with a protective shell (3). The anti-collision steel body (1) is provided with two sets. The rear set of the anti-collision steel body (1) has two sets of fixing slots (111) on its rear surface. The front surface of the protective shell (3) has a sliding slot (31). The two sets of anti-collision steel bodies (1) are connected by two sets of supporting steel bodies (11). The rear set of the anti-collision steel body (1) slides inside the sliding slot (31). Two sets of shock absorbers (33) are fixedly connected inside the two sets of fixed slots (111). The rear inner wall of the anti-collision steel body (1) is fixedly connected to the two sets of fixed slots (111). The interior of the first fixed ring (34) is fixedly connected to the two sets of shock absorbers (33). The guide rods of the two sets of shock absorbers (33) are fixedly connected to the push block (32). The rear surface of the two sets of push blocks (32) is fixedly connected to the rear inner wall of the protective shell (3). A fixed plate (36) is fixedly connected between the two sets of supporting steel bodies (11). The rear surface of the fixed plate (36) is fixedly connected to the two sets of second fixed rings (35). The interior of the two sets of second fixed rings (35) is fixedly connected to the front end of the two sets of shock absorbers (33).

2. The anti-collision device for railway freight car maintenance according to claim 1, characterized in that, Four sets of reinforcing ribs (12) are fixedly connected between the two sets of anti-collision steel bodies (1) and the two sets of supporting steel bodies (11). The front surface of the front set of anti-collision steel bodies (1) is fixedly connected to the longitudinal limiting plate (14) near the middle. The anti-collision steel bodies (1), the supporting steel bodies (11), the limiting mechanism and the anti-falling mechanism constitute an anti-collision device (A). There are two sets of vertical limiting plates (15). The two sets of vertical limiting plates (15) are fixedly connected to the front surface of the front set of anti-collision steel bodies (1). The upper surface of the right vertical limiting plate (15) is provided with a limiting slot (16).

3. A railway freight car maintenance anti-collision device according to claim 2, characterized in that, The auxiliary limiting plate (17) is provided in two sets. The rear surface of the two sets of auxiliary limiting plates (17) is fixedly connected to the front surface of the front set of anti-collision steel bodies (1). The front surface of the connecting steel strip (13) is fixedly connected to the inner groove of the front set of anti-collision steel bodies (1).

4. A railway freight car maintenance anti-collision device according to claim 3, characterized in that, The connecting steel bar (13) is snapped into one end of the connecting chain (19), the connecting chain (19) is fixedly connected to the adjusting pin (18), and the adjusting pin (18) is fixedly connected to the upper surface of the auxiliary limiting plate (17) on the right side.

5. A railway freight car maintenance anti-collision device according to claim 4, characterized in that, The front of the anti-collision device (A) is equipped with a 60-ton vehicle body buffer seat (B) or a 70-ton vehicle body buffer seat (C).

6. A transfer fixture for a railway freight car maintenance anti-collision device as described in claim 1, comprising a support plate (2), characterized in that, Two sets of stabilizing rods (28) are fixedly connected inside the support plate (2). Four sets of support blocks (21) are fixedly connected to the upper surface of the support plate (2). Two sets of connecting blocks (22) are fixedly connected between the two sets of support blocks (21) on the left and the two sets of support blocks (21) on the right. Two sets of connecting rods (23) are fixedly connected between the two sets of support blocks (21) on the front and the two sets of support blocks (21) on the rear. Multiple sets of limiting rods (24) are fixedly connected between the two sets of connecting rods (23).

7. A transfer fixture for a railway freight car maintenance anti-collision device according to claim 6, characterized in that, Four sets of fixing rods (25) are fixedly connected between the lower surface of the two sets of connecting rods (23) and the upper surface of the support plate (2).

8. A transfer fixture for a railway freight car maintenance anti-collision device according to claim 7, characterized in that, The lower surface of the support plate (2) is fixedly connected with four sets of support rods (26). The two sets of support rods (26) on the front side and the two sets of support rods (26) on the rear side are fixedly connected with a fixing block (27). The support plate (2), the support block (21) and the limiting rod (24) form a transfer fixture (D).

Images