Axle box wearing plate welding positioning tool

Abstract

The utility model discloses an axle box wearing plate welding and positioning tool, and relates to the technical field of the machine manufacturing industry. The axle box wearing plate welding positioning tool comprises a first connecting block, the bottom end of the first connecting block is fixedly connected with four universal wheels distributed in a rectangular array mode, the top end of the first connecting block is fixedly connected with a lifting device, and the lifting device comprises a first motor. The bottom end of the first motor is fixedly connected with the top end of a first connecting block, the output end of the first motor is fixedly connected with a first bevel gear, the outer surface of the first bevel gear is connected with a second bevel gear in a meshed mode, and one end of the second connecting block is provided with a penetrating type lifting groove. A threaded rod is rotationally connected to the lower inner wall of the lifting groove, a lifting rod is connected to the outer surface of the threaded rod in a threaded and sleeved mode, the lifting device is arranged, so that preparation work before welding can be completed by one person, and a large amount of manpower is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing industry, in particular to a welding positioning tool for an axle box wear plate. Background Art

[0002] Axle box wear plate welding positioning is a key link in the manufacture and maintenance of railway locomotives and vehicles. It involves ensuring the connection between the axle box and the wheelset is stable and efficient. At present, the welding positioning of the axle box wear plate mainly adopts traditional welding processes and positioning methods. This includes the use of specific welding equipment and technology to accurately weld the wear plate to the predetermined position on the axle box. The welding process requires experienced workers to operate to ensure welding quality and positioning accuracy. Therefore, an axle box wear plate welding positioning tool is urgently needed in the market.

[0003] However, the prior art still has the following problems:

[0004] Firstly, most of the traditional axle box wear plate welding positioning devices require the staff to move the axle box to the operating table in advance before welding. However, since the axle box is too heavy, it requires multiple staff to move it at the same time, which affects work efficiency.

[0005] Secondly, when the existing axle box wear plate is welded and positioned, due to the special shape of the axle box, the axle box is very likely to shake during welding, so deviations are likely to occur during welding, which reduces the accuracy of welding and affects the performance of the axle box. Utility Model Content

[0006] In order to solve the problem that multiple workers are required to operate at the same time and the accuracy of welding is improved; the utility model aims to provide an axle box wear plate welding positioning tool.

[0007] To solve the above technical problems, the utility model adopts the following technical solutions: an axle box wear plate welding positioning tool, comprising a first connecting block, the bottom end of the first connecting block is fixedly connected to four universal wheels distributed in a rectangular array, the top of the first connecting block is fixedly connected to a lifting device, the lifting device comprises a first motor, the bottom end of the first motor is fixedly connected to the top end of the first connecting block, the output end of the first motor is fixedly connected to a first bevel gear, the outer surface of the first bevel gear is meshed and connected to a second bevel gear, one end of the first connecting block is provided with a through-type lifting groove, the lower inner wall of the lifting groove is rotatably connected to a threaded rod, the outer surface of the threaded rod is threadedly sleeved with a lifting rod, the top of the threaded rod passes through the upper inner wall of the lifting groove and is fixedly connected to the second bevel gear, one end of the lifting rod is slidably provided with a second connecting block, one end of the second connecting block is provided with a circular groove used to cooperate with the lifting rod, and one end of the second connecting block is fixedly connected to a clamping device.

[0008] Preferably, the clamping device includes a base plate, a long groove is provided at the top of the base plate, a two-way threaded rod is rotatably connected to the inner wall of one side of the long groove, one end of the two-way threaded rod passes through the inner wall of one side of the long groove and extends outside the long groove, one end of the base plate is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the end of the two-way threaded rod located outside the long groove, and the outer surface of the two-way threaded rod is engraved with threads in different directions and is threadedly sleeved with moving blocks, the inner surfaces of the two moving blocks are rotatably connected to connecting rods, the top ends of the two connecting rods are rotatably connected to fixed blocks, the top ends of the two fixed blocks are commonly fixedly connected to a top plate, and the top end of the top plate is provided with an axle box groove.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model is provided with a lifting device, and the lifting rod is driven to rise by the first motor, and then the lifting rod is driven to insert into the circular groove by pushing the first connecting block, so that the preparation work before welding can be completed by one person, saving a lot of manpower;

[0011] 2. The utility model provides a clamping device, and the second motor drives the top plate to rise, and with the cooperation of the lifting rod, the axle box can be clamped and fixed, so that the axle box is not easy to shake during welding positioning, thereby improving the accuracy of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 It is a cross-sectional schematic diagram of the first connecting block of the utility model.

[0015] Figure 3 It is a schematic diagram of the clamping device of the utility model.

[0016] In the figure: 1. first connecting block; 2. second connecting block; 3. clamping device; 4. universal wheel; 5. lifting device; 11. threaded rod; 12. lifting slot; 13. first motor; 14. first bevel gear; 15. second bevel gear; 16. lifting rod; 17. slide bar; 21. moving block; 22. long slot; 23. two-way threaded rod; 24. bottom plate; 25. telescopic gas rod; 26. top plate; 27. clamping block; 28. circular slot; 29. ​​clamping slot; 30. axle box slot; 31. fixing block; 32. second motor; 33. connecting rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example: Figure 1-3 As shown, the utility model provides an axle box wear plate welding positioning tool, including a first connecting block 1, the bottom end of the first connecting block 1 is fixedly connected with four universal wheels 4 distributed in a rectangular array, the top of the first connecting block 1 is fixedly connected with a lifting device 5, the lifting device 5 includes a first motor 13, the bottom end of the first motor 13 is fixedly connected to the top of the first connecting block 1, the output end of the first motor 13 is fixedly connected with a first bevel gear 14, the outer surface of the first bevel gear 14 is meshedly connected with a second bevel gear 15, one end of the first connecting block 1 is provided with a through-type lifting groove 12, the lower inner wall of the lifting groove 12 is rotatably connected with a threaded rod 11, the outer surface of the threaded rod 11 is threadedly sleeved with a lifting rod 16, and the lifting rod 16 is cylindrical and can be inserted into and lifted up the axle box according to the shape of the axle box setting. The upper and lower inner walls of the lifting groove 12 are fixedly connected with a slide rod 17. The outer surface of the slide rod 17 is movably sleeved with the inner surface of the lifting rod 16. The slide rod 17 can play a role of secondary support for the support rod, so that the support rod will be more stable when moving up and down. The top end of the threaded rod 11 passes through the upper inner wall of the lifting groove 12 and is fixedly connected to the second bevel gear 15. One end of the lifting rod 16 is slidably provided with a second connecting block 2. The first connecting block 1 and the second connecting block 2 are mirror-imaged, which can make the axle box located in the middle more stable. One end of the second connecting block 2 is provided with a circular groove 28 for cooperating with the lifting rod 16, and one end of the second connecting block 2 is fixedly connected with a clamping device 3.

[0019] The clamping device 3 includes a bottom plate 24, one end of which is fixedly connected to the second connecting block 2, a long groove 22 is provided at the top of the bottom plate 24, a bidirectional threaded rod 23 is rotatably connected to the inner wall of one side of the long groove 22, one end of the bidirectional threaded rod 23 passes through the inner wall of one side of the long groove 22 and extends to the outside of the long groove 22, a second motor 32 is fixedly connected to one end of the bottom plate 24, an output end of the second motor 32 is fixedly connected to one end of the bidirectional threaded rod 23 located outside the long groove 22, the outer surface of the bidirectional threaded rod 23 is engraved with threads in different directions, and the moving blocks 21 are threadedly sleeved, the inner surfaces of the two moving blocks 21 are rotatably connected to the connecting rods 33, the tops of the two connecting rods 33 are rotatably connected to the fixed blocks 31, and the two fixed blocks 31 are The top ends are fixedly connected with a top plate 26, one end of the top plate 26 is fixedly connected with two clamping blocks 27, one end of the second connecting block is provided with a clamping groove 29 used to cooperate with the two clamping blocks 27, which can effectively fix the top plate 26 and allow the top plate 26 to move up and down within the range of the clamping groove 29, the top end of the bottom plate 24 is fixedly connected with two telescopic gas rods 25, the top ends of the two telescopic gas rods 25 are fixedly connected with the bottom end of the top plate 26, which can play a role of secondary support for the top plate 26, so that the top plate 26 will be more stable when rising or falling, the bottom plate 24 and the top plate 26 are distributed in parallel, and the bottom plate 24 and the top plate 26 are the same size, which makes it easier to drive the top plate 26 to move, and the top end of the top plate 26 is provided with an axle box groove 30.

[0020] Working principle: when the staff needs to move the axle box, first push the first connecting block 1 to the axle box through the four universal wheels 4, then turn on the first motor 13, the first motor 13 will drive the first bevel gear 14 to rotate, the first bevel gear 14 will drive the threaded rod 11 to rotate, the threaded rod 11 will drive the lifting rod 16 to descend, under the action of the slide bar 17, the threaded rod 11 can be more stable when descending, when the lifting rod 16 descends to a suitable position, then push the first connecting block 1 to insert the lifting rod 16 into the axle box, then operate the first motor 13 again to drive the lifting rod 16 to rise, and then push the first connecting block 1 to insert into the circular groove 28;

[0021] When the axle box needs to be fixed, first turn on the second motor 32. The second motor 32 will drive the bidirectional threaded rod 23 to rotate, and the bidirectional threaded rod 23 will drive the two moving blocks 21 to move in opposite directions. The two moving blocks 21 will drive the two connecting rods 33 to rotate, and the two connecting rods 33 will drive the two fixed blocks 31 to rise. The two fixed blocks 31 will drive the top plate 26 to rise, and the top plate 26 will rise and fix the axle box, and then the axle box can be welded.

[0022] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A welding and positioning tool for an axle box wear plate, comprising a first connecting block (1), characterized in that: The bottom end of the first connection block (1) is fixedly connected to four universal wheels (4) distributed in a rectangular array, and the top end of the first connection block (1) is fixedly connected to a lifting device (5); The lifting device (5) comprises a first motor (13), the bottom end of the first motor (13) is fixedly connected to the top end of the first connecting block (1), the output end of the first motor (13) is fixedly connected to the first bevel gear (14), the outer surface of the first bevel gear (14) is meshingly connected to the second bevel gear (15), one end of the first connecting block (1) is provided with a through-type lifting groove (12), the lower inner wall of the lifting groove (12) is rotatably connected to a threaded rod (11), the outer surface of the threaded rod (11) is threadedly sleeved with a lifting rod (16), the top end of the threaded rod (11) passes through the upper inner wall of the lifting groove (12) and is fixedly connected to the second bevel gear (15), one end of the lifting rod (16) is slidably provided with a second connecting block (2), one end of the second connecting block (2) is provided with a circular groove (28) used in conjunction with the lifting rod (16), and one end of the second connecting block (2) is fixedly connected to a clamping device (3).

2. The axle box wear plate welding positioning tool as claimed in claim 1, characterized in that: The clamping device (3) comprises a bottom plate (24), one end of the bottom plate (24) is fixedly connected to the second connecting block (2), a long slot (22) is provided at the top of the bottom plate (24), a bidirectional threaded rod (23) is rotatably connected to an inner wall of one side of the long slot (22), one end of the bidirectional threaded rod (23) passes through an inner wall of one side of the long slot (22) and extends outside the long slot (22), one end of the bottom plate (24) is fixedly connected to a second motor (32), an output end of the second motor (32) is connected to the output end of the second motor (32) One end of the bidirectional threaded rod (23) is fixedly connected outside the long groove (22); the outer surface of the bidirectional threaded rod (23) is threadedly sleeved with a moving block (21); the inner surfaces of the two moving blocks (21) are rotatably connected with a connecting rod (33); the top ends of the two connecting rods (33) are rotatably connected with a fixed block (31); the top ends of the two fixed blocks (31) are commonly fixedly connected with a top plate (26); and the top end of the top plate (26) is provided with an axle box groove (30).

3. The axle box wear plate welding positioning tool as claimed in claim 1, characterized in that: The upper and lower inner walls of the lifting groove (12) are fixedly connected with a sliding rod (17), and the outer surface of the sliding rod (17) is movably sleeved with the inner surface of the lifting rod (16).

4. The axle box wear plate welding positioning tool as claimed in claim 1, characterized in that: The lifting rod (16) is cylindrical.

5. The axle box wear plate welding positioning tool as claimed in claim 1, characterized in that: The first connection block (1) and the second connection block (2) are distributed in a mirror image.

6. The axle box wear plate welding positioning tool as claimed in claim 2, characterized in that: Two telescopic gas rods (25) are fixedly connected to the top end of the bottom plate (24), and the top ends of the two telescopic gas rods (25) are fixedly connected to the bottom end of the top plate (26).

7. The axle box wear plate welding positioning tool as claimed in claim 2, characterized in that: One end of the top plate (26) is fixedly connected to two clamping blocks (27), and one end of the second connection block (2) is provided with a clamping groove (29) used in conjunction with the two clamping blocks (27).

8. The axle box wear plate welding positioning tool as claimed in claim 2, characterized in that: The bottom plate (24) and the top plate (26) are distributed in parallel, and the bottom plate (24) and the top plate (26) have the same size.

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