Transfer trolley reversing device for aluminum steel welding production line

Abstract

The aluminum steel welding production line transfer trolley reversing device comprises a supporting platform arranged on the same side of a sending-out platform and an entering platform, a containing hole is formed in the middle of the supporting platform, a rotating platform matched with the containing hole is arranged at an opening of the containing hole, and two sets of rails are symmetrically arranged at the upper end of the rotating platform; a supporting cylinder is coaxially arranged at the lower end of the rotating platform and rotationally connected with the rotating platform, and a driving part is arranged on one side of the supporting cylinder and used for driving the rotating platform to rotate to a set angle; according to the limiting structure, when the wheels of the rail car pass through the limiting structure, kinetic energy of the wheels can be converted into internal energy while the wheels are limited by the limiting structure, the working intensity of a braking system of the rail car is reduced, and the service life of the braking system of the rail car is prolonged.

Description

Technical Field

[0001] This invention relates to the field of track vehicle reversing devices, and more particularly to a reversing device for a transfer trolley in an aluminum-steel welding production line. Background Technology

[0002] The reversing device, a crucial component installed on the track, primarily functions to facilitate flexible changes in the direction of travel for the railcar. This device enables the railcar to easily handle various complex track layouts, significantly improving transportation efficiency. The reversing device's working principle is mainly based on its internal transmission system. When the railcar needs to change direction, the internal transmission system adjusts accordingly, causing the wheels to rotate in a different direction. This process relies on precise mechanical control and coordination mechanisms to ensure the railcar can smoothly and accurately complete the reversing action. However, in existing technologies, when the railcar moves at a constant speed from the outside of the reversing device to its position on top of the device, precise braking via the railcar's own braking system is required. This results in significant wear and tear on the railcar's braking system and demands a high level of operator experience (requiring visual estimation of the railcar's position on top of the reversing device). Summary of the Invention

[0003] The purpose of this invention is to provide a reversing device for a transfer trolley in an aluminum-steel welding production line. When the wheels of the railcar pass through the limiting structure, the limiting structure not only limits the wheels but also converts the kinetic energy of the wheels into internal energy, thereby reducing the workload of the railcar braking system and increasing its service life.

[0004] The present invention adopts the following technical solution: A reversing device for a transfer trolley in an aluminum-steel welding production line includes a support platform located on the same side as an output platform and an input platform. The support platform has a receiving hole in its center, and a rotating platform adapted to the receiving hole is located at the opening of the receiving hole. Two sets of tracks are symmetrically arranged at the upper end of the rotating platform, and a support cylinder is coaxially arranged at the lower end of the rotating platform. The support cylinder is rotatably connected to the rotating platform. A driving unit is located on one side of the support cylinder, used to drive the rotating platform to rotate to a set angle. At the four corners between the two sets of tracks, corresponding to the outer sides of the trolley wheels, a set of limiting structures is provided. Each limiting structure includes a blocking device arranged vertically and a damping device connected to the blocking device. The blocking device is used to impede the rotation of the wheel while transferring the wheel's kinetic energy to the damping device, which consumes the wheel's kinetic energy, i.e., converts part of the wheel's kinetic energy into internal energy.

[0005] Furthermore, the blocking device includes a guide sleeve vertically fixed at a position corresponding to the rotating platform, a support rod coaxially slidingly passing through the guide sleeve, the top end of the support rod protruding from the upper opening of the guide sleeve, and a blocking sleeve coaxially fixed to the outside of the top end of the support rod; the lower end of the support rod is connected to a damping device.

[0006] Furthermore, a support frame is provided below the left and right support rods respectively set inside the two sets of tracks; the two sets of support rods are distributed at the left and right ends of the support frame; the damping device includes a reversing part that contacts the lower end face of the corresponding support rod, and an energy conversion part is provided inside the reversing part. The reversing part is used to transfer the support rod to the energy conversion part inside the reversing part when it moves up and down. The energy conversion part is used to convert the kinetic energy transferred by the reversing part into internal energy.

[0007] Furthermore, the upper end face of the support frame is provided with horizontal grooves arranged on the left and right. Each set of reversing parts includes a support shaft fixedly arranged on the inner side of the support rod. The inner side of the reversing block is rotatably connected to the horizontal groove through the support shaft. The upper end face of the reversing block abuts against the bottom surface of the support rod, and the inner side of the reversing block abuts against the energy conversion part.

[0008] Furthermore, the reversing block includes a vertically arranged horizontal brace and a vertical brace, with the inner end of the horizontal brace fixed to the upper end of the vertical brace.

[0009] Furthermore, the energy conversion unit includes a piston cylinder horizontally disposed at the inner end of the vertical support. The inner end of the piston cylinder is closed, and a piston is slidably disposed in the inner cavity of the piston cylinder. A return spring is disposed between the piston and the bottom wall of the piston cylinder, and the return spring is always in a compressed state. A piston rod is slidably disposed at the outer end opening of the piston cylinder. The inner end of the piston rod is fixedly connected to the piston, and the outer end of the piston rod abuts against the inner side of the vertical support. Damping through holes are evenly distributed around the piston.

[0010] Furthermore, the piston cylinder cavity is filled with nitrogen gas; and the inner ends of the two sets of piston cylinders located in the same support frame transverse groove are connected.

[0011] Furthermore, the inner ends of the two sets of piston cylinders located in the transverse groove of the same support frame are rotatably connected to the front and rear parts of the same rotating shaft; and the left and right sets of piston cylinders are arranged in a straight line, with the rotating shaft passing through the inner ends of the piston cylinders on the corresponding sides; and the rotating shaft becomes the dead point of the two sets of piston cylinders, with the front and rear ends of the rotating shaft connected to trigger parts, which are used to make the rotating shaft be in or away from the dead point position.

[0012] Furthermore, the triggering part includes trigger blocks fixedly disposed at the front and rear ends of the rotating shaft, a trigger disk is disposed below each set of trigger blocks, an eccentric shaft is eccentrically fixed to each set of trigger disks, and the eccentric shaft is rotatably connected to the transverse groove sidewall of the support frame; a limiting plate is disposed above each set of trigger blocks and fixed at the opening of the support frame, and an energy storage spring is disposed between each set of limiting plates and the trigger blocks, and the energy storage spring is always in a compressed state.

[0013] Furthermore, the triggering part also includes a first transmission shaft that is coaxially fixed with the two sets of eccentric shafts. A first bevel gear is fixed in the middle of the first transmission shaft, and a second bevel gear meshes above the first bevel gear. The second bevel gear fixes the rotating platform through the second transmission shaft.

[0014] I. This invention, by setting a limiting structure, uses a blocking device in the limiting structure to transfer the kinetic energy of the wheel to a damping device while hindering the rotation of the wheel. The damping device is used to consume the kinetic energy of the wheel and reduce the burden on the railcar's braking system. When the railcar stops in the middle of the limiting structure of the receiving hole group, the two sets of limiting structures on the front and the two sets on the rear limit the corresponding wheels (because driving the blocking device requires a large amount of kinetic energy). This allows the railcar to stop smoothly on the top of the rotating platform. Then, the drive unit drives the rotating platform to rotate to the set angle again. When the track on the top of the rotating platform corresponds to the track on the top of the delivery platform, the railcar is restarted to move to the delivery platform to complete the reversing operation.

[0015] Second, by setting a triggering unit, the present invention enables the energy conversion unit to convert most of the kinetic energy of the wheels into internal energy when the track at the top of the rotating platform corresponds to the track at the top of the entering platform; and when the track at the top of the rotating platform corresponds to the track at the top of the exiting platform, the energy conversion unit no longer needs to convert the kinetic energy of the wheels into internal energy. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the delivery platform in this invention; Figure 2 This is a schematic diagram of the support platform in this invention; Figure 3 This is a schematic diagram of the support frame in this invention; Figure 4 This is a schematic diagram of the guide sleeve in this invention; Figure 5 This is a schematic diagram of the support rod in this invention; Figure 6 This is a schematic diagram of the eccentric shaft in this invention; Figure 7 This is a schematic diagram of the piston cylinder in this invention; Figure 8 This is a schematic diagram of the damping through hole in the present invention; Figure 9 This is a schematic diagram of the piston structure in this invention; Figure 10 This is a schematic diagram of the structure of the first transmission shaft in this invention; Figure 11 This is a schematic diagram of the rotating shaft in this invention.

[0017] In the diagram, 1. Delivery platform; 2. Entry platform; 3. Support platform; 4. Receiving hole; 5. Rotating platform; 6. Track; 7. Support cylinder; 8. Drive unit; 9. Blocking sleeve; 10. Damping device; 11. Wheel; 12. Guide sleeve; 13. Support rod; 14. Support frame; 15. Horizontal groove; 16. Reversing block; 17. Horizontal brace; 18. Vertical brace; 19. Piston cylinder; 20. Piston; 21. Return spring; 22. Pulley; 23. Damping through hole; 24. Piston rod; 25. Trigger block; 26. Trigger disc; 27. Eccentric shaft; 28. Limiting plate; 29. ​​Energy storage spring; 30. Rotating shaft; 31. First drive shaft; 32. First bevel gear; 33. Second bevel gear; 34. Second drive shaft. Detailed Implementation

[0018] Please see Figure 1-11 The present invention will now be described in detail with reference to the accompanying drawings and embodiments: The aluminum-steel welding production line transfer trolley reversing device of the present invention includes a support platform 3 set on the same side of the delivery platform 1 and the entry platform 2. The support platform 3 has a receiving hole 4 in the middle. A rotating platform 5 adapted to the receiving hole 4 is set at the opening of the receiving hole 4. Two sets of tracks 6 are symmetrically arranged on the upper end of the rotating platform 5. A support cylinder 7 is coaxially arranged on the lower end of the rotating platform 5. The support cylinder 7 is rotatably connected to the rotating platform 5. A driving part 8 is set on one side of the support cylinder 7. The driving part 8 is used to drive the rotating platform 5 to rotate to a set angle.

[0019] In this invention, a set of limiting structures is provided at the four corners between the middle of the two sets of tracks 6, corresponding to the outer side of the wheel 11 of the track 6. Each set of limiting structures includes a blocking device arranged vertically and a damping device 10 connected to the blocking device. The blocking device is used to transfer the kinetic energy of the wheel 11 to the damping device 10 while hindering the rotation of the wheel 11. The damping device 10 is used to consume the kinetic energy of the wheel 11, that is, to convert part of the kinetic energy of the wheel 11 into internal energy.

[0020] During operation, the right side of the support platform 3 is configured as the delivery platform 1 with track 6, and the rear side of the support platform 3 is configured as the entry platform 2 with track 6. The drive unit 8 drives the rotating platform 5 to rotate at a set angle. When the track 6 at the upper end of the rotating platform 5 corresponds to the track 6 at the upper end of the entry platform 2, the track 6 cart moves from the entry platform 2 to the rotating platform 5 via the track 6. When the wheel 11 of the track 6 cart passes through the two sets of limiting structures at the rear, the blocking device in the limiting structure not only hinders the rotation of the wheel 11 but also transfers the kinetic energy of the wheel 11 to the damping device 10. 10 is used to consume the kinetic energy of the wheel 11 and reduce the burden on the braking system of the rail car 6. When the rail car 6 stops in the middle of the four sets of limiting structures of the receiving hole, the two sets of limiting structures on the front and the two sets on the rear limit the corresponding wheel 11 (because the driving blocking device needs to consume a lot of kinetic energy); thus, the rail car 6 stops smoothly on the upper end of the rotating platform 5. Then, the driving unit 8 drives the rotating platform 5 to rotate to the set angle again. When the rail 6 on the upper end of the rotating platform 5 corresponds to the rail 6 on the upper end of the delivery platform 1, the rail car 6 is restarted to move to the delivery platform 1 to complete the reversing operation.

[0021] In this invention, the blocking device includes a guide sleeve 12 vertically fixed at a position corresponding to the rotating platform 5. A support rod 13 is coaxially slidably inserted inside each set of guide sleeves 12. The top end of each set of support rods 13 protrudes from the upper opening of the guide sleeve 12, and a blocking sleeve 9 is coaxially fixed outside the top end of each set of support rods 13. The lower end of each set of support rods 13 is connected to a corresponding damping device 10.

[0022] During operation, when the wheel 11 passes over the track 6 at the top of the rotating platform 5, the inner side of the wheel 11 presses down on the top of the blocking sleeve 9, causing the support rod 13, which is fixedly installed with the blocking sleeve 9, to move downward, thereby transferring the kinetic energy of the wheel 11 to the damping device 10.

[0023] by Figure 6 Using the coordinate system as a reference, in this invention, support frames 14 are provided below the left and right sets of support rods 13 respectively located inside the two sets of tracks 6; each pair of support rods 13 is distributed at the left and right ends of the corresponding support frame 14; the damping device 10 includes a reversing part that contacts the lower end face of the corresponding support rod 13, and an energy conversion part is provided inside each reversing part. The reversing part is used to transfer the support rod 13 up and down to the energy conversion part inside the reversing part, and the energy conversion part is used to convert the kinetic energy transferred by the reversing part into internal energy.

[0024] In this embodiment, the upper end face of the support frame 14 is provided with horizontal grooves 15 arranged on the left and right. Each group of reversing parts includes a support shaft fixedly arranged on the inner side of the support rod 13. The inner side of each group of reversing blocks 16 is rotatably connected to the horizontal groove 15 through the support shaft. The upper end face of each group of reversing blocks 16 abuts against the bottom surface of the support rod 13, and the inner side of each group of reversing blocks 16 abuts against the energy conversion part.

[0025] In this embodiment, the reversing block 16 includes vertically arranged horizontal supports 17 and vertical supports 18, with the upper end of the vertical support 18 fixed to the inner end of each set of horizontal supports 17. When the support rod 13 moves downward, the bottom surface of the support rod 13 presses against the upper end surface of the horizontal support 17, causing the reversing block 16 to rotate around the support shaft. The inner surface of the vertical support 18 rotates inward and presses against the energy conversion part, thereby realizing that the support rod 13 converts the kinetic energy of the wheel 11 into the energy conversion part.

[0026] In this embodiment, the energy conversion unit includes a piston cylinder 19 horizontally disposed at the inner end of the vertical support 18. Each set of piston cylinders 19 has a closed inner end and a piston 20 is slidably disposed in the inner cavity of the piston cylinder 19. A return spring 21 is disposed between each set of pistons 20 and the bottom wall of the corresponding piston cylinder 19. Each set of return springs 21 is always in a compressed state. A piston rod 24 is slidably disposed at the outer end opening of each set of piston cylinders 19. The inner end of the piston rod 24 is fixedly connected to the piston 20. The outer end of each set of piston rods 24 abuts against the inner side of the corresponding vertical support 18. Each set of pistons 20 has damping through holes 23 evenly distributed circumferentially.

[0027] In this embodiment, each set of piston rods 24 is rotatably connected to a pulley 22 at its outer end, and the pulley 22 is circumferentially pressed against the inner side of the vertical support 18.

[0028] In this embodiment, the inner cavity of the piston cylinder 19 is filled with nitrogen gas; and the inner ends of the two sets of piston cylinders 19 located in the same support frame 14 transverse groove 15 are connected.

[0029] In this embodiment, the drive unit 8 may be a drive motor.

[0030] During operation, the wheels 11 on both sides press down on the corresponding blocking sleeves 9. The blocking sleeves 9 drive the corresponding support rods 13 to move downward. The bottom surface of the support rods 13 presses down on the upper surface of the corresponding cross braces 17, causing the reversing block 16 to rotate around the support shaft. The inner surface of the vertical brace 18 rotates inward and presses down on the inner surface of the vertical braces 18 at both ends, which in turn press down on the pulleys 22 at the outer end of the piston rod 24. The piston rod 24 drives the piston 20 to move inward. Since the inner ends of the two sets of piston cylinders 19 are hinged and linearly distributed; and the piston cylinders 19 The inner cavity is filled with nitrogen gas. The nitrogen gas slowly passes through the damping through hole 23, causing most of the kinetic energy of the piston 20 moving inward to be converted into the internal energy of the nitrogen gas. This causes most of the kinetic energy of the wheels 11 to be converted into the internal energy of the nitrogen gas in the inner cavity of the piston cylinder 19 through the support rod 13. When the wheels 11 on the left and right sides pass the blocking sleeve 9, the return spring 21 drives the corresponding piston 20, the piston 20 drives the corresponding piston rod 24, and the pulley 22 at the outer end of the piston rod 24 presses the inner side of the corresponding vertical support 18, causing the blocking sleeve 9 to return to the set height.

[0031] When the track 6 at the top of the rotating platform 5 aligns with the track 6 at the top of the delivery platform 1, the track 6 vehicle is restarted. The wheels 11 of the track 6 vehicle need to roll over the corresponding blocking sleeves 9 to allow the track 6 vehicle to pass smoothly. At this time, the energy conversion unit no longer needs to convert the kinetic energy of the wheels 11 into internal energy (which would consume some of the power of the track 6 vehicle). In order to achieve the goal that when the track 6 at the top of the rotating platform 5 aligns with the track 6 at the top of the entry platform 2, the energy conversion unit can convert most of the kinetic energy of the wheels 11 into internal energy; and when the track 6 at the top of the rotating platform 5 aligns with the track 6 at the top of the delivery platform 1, the track 6 vehicle is restarted. The wheels 11 of the track 6 vehicle need to roll over the corresponding blocking sleeves 9 to allow the track 6 vehicle to pass smoothly. When the track 6 at the upper end of platform 1 corresponds, the energy conversion unit no longer needs to convert the kinetic energy of the wheel 11 into internal energy; in this invention, the inner ends of the two sets of piston cylinders 19 located in the transverse groove 15 of the same support frame 14 are rotatably connected to the front and rear parts of the same rotating shaft 30; and the left and right sets of piston cylinders 19 are linearly distributed, with the front and rear parts of each set of rotating shafts 30 respectively passing through the inner ends of the piston cylinders 19 on the corresponding side; and each set of rotating shafts 30 becomes the dead point of the two sets of piston cylinders 19, and each set of rotating shafts 30 is connected to a triggering part, which is used to make the rotating shaft 30 be in or away from the dead point position.

[0032] In this invention, the triggering part includes trigger blocks 25 fixedly disposed at the front and rear ends of the rotating shaft 30, trigger discs 26 are disposed below each set of trigger blocks 25, and eccentric shafts 27 are eccentrically fixed to each set of trigger discs 26. The eccentric shafts 27 are rotatably connected to the side wall of the transverse groove 15 of the support frame 14. A limiting plate 28 is disposed above each set of trigger blocks 25 and fixed at the opening of the support frame 14. An energy storage spring 29 is disposed between each set of limiting plates 28 and trigger blocks 25. The energy storage spring 29 is always in a compressed state. The upper and lower limits of the trigger discs 26 and the energy storage springs 29 make the inner ends of the two sets of piston cylinders 19 form a more stable hinge and are distributed in a straight line, that is, the rotating shaft 30 is at the dead point position.

[0033] In this embodiment, when the track 6 at the upper end of the rotating platform 5 corresponds to the track 6 at the upper end of the entering platform 2, the eccentric shaft 27 is eccentrically fixed above the center of the trigger disk 26. When the track 6 at the upper end of the rotating platform 5 corresponds to the track 6 at the upper end of the delivery platform 1, the eccentric shaft 27 is eccentrically fixed below the center of the trigger disk 26.

[0034] In this invention, the triggering part also includes a first transmission shaft 31 that is coaxially fixed with the two sets of eccentric shafts 27. A first bevel gear 32 is fixed in the middle of the first transmission shaft 31, and a second bevel gear 33 meshes above the first bevel gear 32. The second bevel gear 33 fixes the rotating platform 5 through the second transmission shaft 34.

[0035] During operation, when the track 6 at the upper end of the rotating platform 5 corresponds to the track 6 at the upper end of the entry platform 2, the track 6 car moves from the entry platform 2 to the rotating platform 5 via the track 6. When the wheel 11 of the track 6 car passes through the two sets of limiting structures on the rear side, the inner side of the wheel 11 presses down on the top of the blocking sleeve 9, causing the support rod 13 fixedly installed with the blocking sleeve 9 to move downward. The bottom surface of the support rod 13 presses against the upper surface of the corresponding cross brace 17, causing the reversing block 16 to rotate around the support shaft. The inner side of the vertical brace 18 rotates inward and presses against the inner side of the vertical brace 18 at both ends, and presses against the pulley 22 at the outer end of the piston rod 24. The piston 20 moves inward. Since the inner ends of the two sets of piston cylinders 19 are hinged and linearly distributed, and the inner cavity of the piston cylinder 19 is filled with nitrogen, the nitrogen slowly passes through the damping through-hole 23, causing most of the kinetic energy of the piston 20 moving inward to be converted into the internal energy of the nitrogen. This, in turn, converts most of the kinetic energy of the wheels 11 into the internal energy of the nitrogen in the inner cavity of the piston cylinder 19 through the support rod 13. When the wheels 11 on both sides pass the blocking sleeve 9, the return spring 21 drives the corresponding piston 20, which in turn drives the corresponding piston rod 24. The pulley 22 at the outer end of the piston rod 24 presses against the inner side of the corresponding vertical support 18, causing the blocking sleeve 9 to return to the set height. Since the wheels 11 are all inside the blocking sleeve 9 at this time, the blocking sleeve 9 acts as a blocking limit for the wheels 11.

[0036] When the track 6 at the upper end of the rotating platform 5 corresponds to the track 6 at the upper end of the delivery platform 1, the rotating platform 5 drives the second transmission shaft 34. Through the meshing of the second bevel gear 33 and the first bevel gear 32, the first transmission shaft 31 rotates, thereby triggering the disk 26 to rotate and press the trigger block 25 upward. The trigger block 25 drives the rotating shaft 30 to move upward, so that the rotating shaft 30 is no longer in the dead position, and the track 6 car is restarted. The wheel 11 of the track 6 car needs to run over the corresponding blocking sleeve 9. The blocking sleeve 9 drives the corresponding support rod 13 to move downward. The bottom surface of the support rod 13 presses the upper surface of the corresponding cross brace 17, causing the reversing block 16 to rotate around the support shaft. The inner side of the vertical brace 18 rotates inward and presses the inner side of the left and right ends of the vertical brace 18 to rotate inward and press the piston rod. The pulley 22 at the outer end of 24 drives the piston 20 to move inward. Since the inner ends of the two sets of piston cylinders 19 are hinged and the rotating shaft 30 is no longer at the dead point, the two sets of piston rods 24 push the piston 20 inward. Since the inner cavity of the piston cylinder 19 is filled with nitrogen, the resistance of the piston 20 moving inward is large. The inner ends of the two sets of piston cylinders 19 move upward. The trigger blocks 25 set at the front and rear ends of the rotating shaft 30 respectively squeeze the energy storage spring 29 upward, so that the kinetic energy of the wheel 11 is converted into the elastic potential energy of the energy storage spring 29. When the wheel 11 gradually moves away from the blocking sleeve 9, the energy storage spring 29 will convert the elastic potential energy back into the kinetic energy of the wheel 11. At this time, the energy conversion unit no longer needs to convert the kinetic energy of the wheel 11 into internal energy (which would consume part of the power of the track 6 car).

Claims

1. A reversing device for a transfer trolley in an aluminum-steel welding production line, characterized in that: The system includes a support platform (3) set on the same side of the delivery platform (1) and the entry platform (2). The support platform (3) has a receiving hole (4) in the middle. A rotating platform (5) adapted to the receiving hole (4) is set at the upper opening of the receiving hole (4). Two sets of tracks (6) are symmetrically arranged at the upper end of the rotating platform (5). A support cylinder (7) is coaxially arranged at the lower end of the rotating platform (5). The support cylinder (7) is rotatably connected to the rotating platform (5). A drive unit (8) is set on one side of the support cylinder (7). The drive unit (8) is used to drive the rotating platform (5) to rotate to a set angle. A set of limiting structures is set on the outside of the wheels (11) of the tracks (6) at the four corners between the middle of the two sets of tracks (6). Each set of limiting structures includes a blocking device set at the top and bottom and a damping device (10) connected to the blocking device. The blocking device is used to transfer the kinetic energy of the wheel (11) to the damping device (10) while hindering the rotation of the wheel (11). The damping device (10) is used to consume the kinetic energy of the wheel (11).

2. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 2, characterized in that: The blocking device includes a guide sleeve (12) vertically fixed at the corresponding position on the rotating platform (5), a support rod (13) is coaxially slidably inserted in each guide sleeve (12), the top of each support rod (13) protrudes from the upper opening of the guide sleeve (12), and a blocking sleeve (9) is coaxially fixed to the outside of the top of each support rod (13); the lower end of each support rod (13) is connected to a corresponding damping device (10).

3. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 2, characterized in that: The two sets of support rods (13) respectively set inside the two sets of tracks (6) are provided with support frames (14) below them; each pair of support rods (13) is distributed at the left and right ends of the corresponding support frame (14); the damping device (10) includes a reversing part that contacts the lower end face of the corresponding support rod (13), and an energy conversion part is provided inside each reversing part. The reversing part is used to move the support rod (13) up and down and transmit it to the energy conversion part inside the reversing part. The energy conversion part is used to convert the kinetic energy transmitted by the reversing part into internal energy.

4. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 4, characterized in that: The support frame (14) has a horizontal groove (15) arranged on the upper surface. Each reversing part includes a support shaft fixedly arranged on the inner side of the support rod (13) at the front and rear. The inner side of each reversing block (16) is rotatably connected to the horizontal groove (15) through the support shaft. The upper surface of each reversing block (16) abuts against the bottom surface of the support rod (13), and the inner side of each reversing block (16) abuts against the energy conversion part.

5. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 5, characterized in that: The reversing block (16) includes a vertically arranged horizontal brace (17) and a vertical brace (18), with the upper end of the corresponding vertical brace (18) fixed inside the horizontal brace (17).

6. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 6, characterized in that: The energy conversion unit includes a piston cylinder (19) horizontally arranged at the inner end of the vertical support (18). The inner end of each set of piston cylinders (19) is closed and a piston (20) is slidably arranged in the inner cavity of the piston cylinder (19). A return spring (21) is arranged between each set of pistons (20) and the bottom wall of the corresponding piston cylinder (19). Each set of return springs (21) is always in a compressed state. A piston rod (24) is slidably arranged at the outer end opening of each set of piston cylinders (19). The inner end of each set of piston rods (24) is fixedly connected to the piston (20). The outer end of the piston rod (24) abuts against the inner side of the corresponding vertical support (18). Damping through holes (23) are evenly distributed in the circumference of each set of pistons (20).

7. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 7, characterized in that: The piston cylinder (19) is filled with nitrogen gas; and the inner ends of the two sets of piston cylinders (19) located in the transverse groove (15) of the same support frame (14) are connected.

8. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 1, characterized in that: The inner ends of the two sets of piston cylinders (19) located in the transverse groove (15) of the same support frame (14) are rotatably connected to the front and rear parts of the same rotating shaft (30); and the left and right sets of piston cylinders (19) are arranged in a straight line, and the front and rear parts of each set of rotating shafts (30) are respectively inserted through the inner ends of the piston cylinders (19) on the corresponding side; and each set of rotating shafts (30) becomes the dead point of the two sets of piston cylinders (19), and each set of rotating shafts (30) is connected to a trigger part, which is used to make the rotating shaft (30) be in or away from the dead point position.

9. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 1, characterized in that: The triggering part includes trigger blocks (25) fixedly installed at the front and rear ends of the rotating shaft (30). A trigger disk (26) is provided below each set of trigger blocks (25). An eccentric shaft (27) is eccentrically fixed to each set of trigger disks (26). The eccentric shaft (27) is rotatably connected to the side wall of the transverse groove (15) of the support frame (14). A limiting plate (28) is fixed at the opening of the support frame (14) above each set of trigger blocks (25). An energy storage spring (29) is provided between each set of limiting plates (28) and the trigger blocks (25). The energy storage spring (29) is always in a compressed state.

10. The reversing device for the transfer trolley of the aluminum-steel welding production line according to claim 1, characterized in that: The triggering part also includes a first transmission shaft (31) that is coaxially fixed with the front and rear eccentric shafts (27). A first bevel gear (32) is fixed in the middle of the first transmission shaft (31). A second bevel gear (33) meshes above the first bevel gear (32). The second bevel gear (33) fixes the rotating platform (5) through the second transmission shaft (34).

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