A traction pin disassembly and assembly structure with a protective structure

Abstract

The utility model relates to the technical field of traction pins, and discloses a traction pin disassembly and assembly structure with a protective structure, including a traction pin body, the upper surface of the traction pin body is fixedly connected with a guide column, the outer wall of the guide column is fixedly connected with a fixed block, the outer wall of the fixed block is provided with a connecting column, the top of the connecting column is fixedly connected with a chassis, the inner card of the connecting column is provided with a slide groove, the outer wall of the fixed block is arranged on the inner wall of the slide groove, the interior of the connecting column is provided with an installation groove, and the outer wall of the fixed block is arranged on the inner wall of the installation groove. In the utility model, the traction pin body is first pushed upward, and after the fixed block slides through the slide groove, the traction pin body is rotated to the installation groove, the first spring pushes the pressure plate guide column to fit together, and then pushes the fixed block to fit closely with the installation groove, thereby completing the rapid disassembly and assembly of the traction pin, meeting the needs of regular maintenance and inspection, and improving the safety and reliability effects.

Description

Technical Field

[0001] The utility model relates to the technical field of traction pins, in particular to a traction pin disassembly and assembly structure with a protection structure. Background Art

[0002] The traction pin is an important connecting component on a railway locomotive or vehicle. It is mainly used to connect the locomotive or vehicle with a carriage or other locomotives. It is usually located at the bottom of the vehicle. It is made of strong metal, such as steel or aluminum alloy, to withstand the huge tension and pressure when the vehicle is towed and pushed. It is fixed to the bottom of the vehicle by screws and then connected by installing a traction hook or traction eye.

[0003] At present, most of the traction pins are too complicated to be disassembled and assembled, and it is difficult to check their integrity and safety, which reduces the safety and reliability during use. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a traction pin disassembly and assembly structure with a protective structure, aiming to improve the problem that the traction pin is too complicated to disassemble and assemble, and it is difficult to check its integrity and safety, thereby reducing the safety and reliability during use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is configured to move the locking cam over the locking cam, wherein the locking cam is configured to move the locking cam over the locking cam, wherein the locking cam is configured to move the locking cam over the locking cam, wherein the locking cam is configured to move the locking cam over the locking cam, wherein the locking cam is configured to move the locking cam over the locking cam, wherein the locking cam is configured to move the locking cam over the locking cam.

[0007] Preferably, the protective component includes a soft cushion, the inner wall of the soft cushion is arranged on the outer wall of the traction pin body, and the outer wall of the soft cushion is fixedly connected with a cover sleeve.

[0008] Preferably, a counterweight block is fixedly connected to the bottom end of the cover sleeve, a limiting plate is fixedly connected to the outer wall of the cover sleeve, a fixing groove is opened inside the chassis, and the outer wall of the limiting plate is arranged on the inner wall of the fixing groove.

[0009] Preferably, a clamping block is provided on the outer wall of the limiting plate, and the outer wall of the clamping block is slidably connected to the inner wall of the chassis.

[0010] Preferably, the outer wall of the block is fixedly connected to a top plate, and the outer wall of the top plate is slidably connected to the inner wall of the chassis.

[0011] Preferably, a second spring is fixedly connected to the outer wall of the top plate, and the outer wall of the second spring is fixedly connected to the inner wall of the bottom plate.

[0012] Preferably, a fixing ring is fixedly connected to the outer wall of the cover sleeve, a positioning ring is arranged on the upper surface of the fixing ring, the interior of the positioning ring is slidably connected to the outer wall of the cover sleeve, and the outer wall of the block is arranged on the outer wall of the positioning ring.

[0013] Preferably, the outer wall of the positioning ring is arranged on the inner wall of the limiting plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the traction pin body is first pushed upward, and after the fixed block slides through the slide groove, the traction pin body is rotated until it reaches the installation groove. The first spring pushes the pressure plate guide column to fit together, and then pushes the fixed block to fit closely with the installation groove, thereby completing the rapid disassembly and assembly of the traction pin, meeting the needs of regular maintenance and inspection, and improving the safety and reliability.

[0016] 2. In the utility model, after the limit plate slides over the block, the second spring pushes the block to slide to the lower surface of the limit plate through the top plate, and then the cover sleeve is fixed in the fixed groove through the counterweight block, and the traction pin body is protected by the soft pad fixed inside the cover sleeve, thereby reducing the oxidation and corrosion of the traction pin surface and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a traction pin disassembly and assembly structure with a protective structure proposed by the utility model;

[0018] Figure 2 This is a cross-sectional view of a connecting column of a traction pin disassembly and assembly structure with a protective structure proposed by the utility model;

[0019] Figure 3 The utility model provides a schematic diagram of a clamping block of a traction pin disassembly and assembly structure with a protective structure.

[0020] Legend:

[0021] 1. Traction pin body; 2. Guide column; 3. Fixed block; 4. Connecting column; 5. Chassis; 6. Slide groove; 7. Mounting groove; 8. Slide column; 9. Pressure plate; 10. First spring; 11. Cover; 12. Counterweight; 13. Limit plate; 14. Fixed groove; 15. Top plate; 16. Second spring; 17. Block; 18. Fixed ring; 19. Positioning ring; 20. Cushion. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings of the specification of this 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 of 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.

[0023] Reference Figure 1-Figure 2 The utility model provides an embodiment: a traction pin disassembly and assembly structure with a protective structure, comprising a traction pin body 1, a guide column 2 is fixedly connected to the upper surface of the traction pin body 1, a fixed block 3 is fixedly connected to the outer wall of the guide column 2, a connecting column 4 is arranged on the outer wall of the fixed block 3, a chassis 5 is fixedly connected to the top of the connecting column 4, a slide groove 6 is arranged inside the connecting column 4, the outer wall of the fixed block 3 is arranged on the inner wall of the slide groove 6, an installation groove 7 is arranged inside the connecting column 4, and the outer wall of the fixed block 3 is arranged on the inner wall of the installation groove 7, The connecting column 4 is internally slidably connected with a sliding column 8, the bottom end of the sliding column 8 is fixedly connected with a pressure plate 9, the upper surface of the pressure plate 9 is fixedly connected with a first spring 10, the outer wall of the first spring 10 is fixedly connected to the inner wall of the connecting column 4, the lower surface of the pressure plate 9 is arranged on the upper surface of the guide column 2, and the outer wall of the connecting column 4 is provided with a protective component, which is used to protect the traction pin body 1; the protective component includes a cushion 20, the inner wall of the cushion 20 is arranged on the outer wall of the traction pin body 1, and the outer wall of the cushion 20 is fixedly connected with a cover sleeve 11;

[0024] Specifically, the traction pin body 1 has a fixed support function for the guide column 2, and the guide column 2 can support the position of the fixed block 3. When installing the traction pin body 1, the vertical position of the fixed block 3 can be aligned with the slide groove 6, and then the traction pin body 1 is pushed upward to drive the outer wall of the fixed block 3 to slide over the inner wall of the slide groove 6. Then, the traction pin body 1 is rotated 90 degrees to rotate the fixed block 3 to the position of the installation groove 7. The traction pin body 1 can slide to the inner wall of the installation groove 7 by its own gravity. In order to ensure that the traction pin body 1 is in use Stable. At this time, the reverse force generated by the rebound of the first spring 10 can push the pressure plate 9 fixed by the sliding column 8 to fit with the upper surface of the guide column 2, thereby ensuring that the fixed block 3 slides to the inner wall of the mounting groove 7 and fits tightly therewith, thereby preventing the traction pin body 1 from shaking. After that, the traction pin body 1 is connected to the mounting traction hook or traction eye to carry out traction work. When the traction pin body 1 is stored for protection, the cushion 20 can protect the traction pin body 1 from direct contact and friction, and the cover sleeve 11 has a fixed support function for the cushion 20.

[0025] Reference Figure 1 and Figure 3 The bottom end of the cover 11 is fixedly connected with a counterweight 12, the outer wall of the cover 11 is fixedly connected with a limit plate 13, a fixing groove 14 is opened inside the chassis 5, and the outer wall of the limit plate 13 is arranged on the inner wall of the fixing groove 14;

[0026] Specifically, the cover sleeve 11 has a fixed supporting function for the counterweight block 12 , and the cover sleeve 11 has a fixed supporting function for the limit plate 13 , and then the gravity generated by the counterweight block 12 can ensure the stability of the cover sleeve 11 on the inner wall of the fixing groove 14 .

[0027] Reference Figure 1-Figure 3 The outer wall of the limit plate 13 is provided with a block 17, and the outer wall of the block 17 is slidably connected to the inner wall of the chassis 5; the outer wall of the block 17 is fixedly connected to the top plate 15, and the outer wall of the top plate 15 is slidably connected to the inner wall of the chassis 5; the outer wall of the top plate 15 is fixedly connected to the second spring 16, and the outer wall of the second spring 16 is fixedly connected to the inner wall of the chassis 5; the outer wall of the cover sleeve 11 is fixedly connected to the fixing ring 18, and the upper surface of the fixing ring 18 is provided with a positioning ring 19, the inner part of the positioning ring 19 is slidably connected to the outer wall of the cover sleeve 11, and the outer wall of the block 17 is arranged on the outer wall of the positioning ring 19; the outer wall of the positioning ring 19 is arranged on the inner wall of the limit plate 13;

[0028] Specifically, the upper surface of the block 17 has a limiting effect on the limit plate 13, and then the cover sleeve 11 is installed inside the fixing groove 14, so that the traction pin body 1 is protected by the soft pad 20, and the block 17 has a fixed support effect on the top plate 15, and the chassis 5 can support the sliding position of the top plate 15 to ensure its stability when sliding, and the top plate 15 has a fixing effect on the second spring 16. At the same time, the top plate 15 can squeeze the second spring 16, and when the second spring 16 rebounds through the chassis 5, the reverse force generated by it The top plate 15 can be pushed to slide, and the cover sleeve 11 has a fixed support function for the fixing ring 18, and the fixing ring 18 can prevent the positioning ring 19 from detaching from the outer wall of the cover sleeve 11, and the block 17 can be squeezed to the inner wall of the chassis 5 by the positioning ring 19. When the cover sleeve 11 moves downward, the upper surface of the block 17 can drive the positioning ring 19 to slide on the outer wall of the cover sleeve 11 until it fits with the inner wall of the limit plate 13, and then the block 17 can be squeezed into the inner wall of the chassis 5 through the positioning ring 19, so that the cover sleeve 11 can be disassembled.

[0029] Working principle: when the traction pin is needed, the technician can align the fixing block 3 fixed by the outer wall of the guide column 2 with the inner wall of the slide groove 6, and then push the traction pin body 1 upward. After the fixing block 3 slides over the inner wall of the slide groove 6, the traction pin body 1 is rotated ninety degrees on the inner wall of the connecting column 4. After the fixing block 3 is rotated to the position of the mounting groove 7, the first spring 10 rebounds to push the pressure plate 9 fixed by the sliding column 8 to fit with the upper surface of the guide column 2, thereby ensuring that the fixing block 3 slides to the inner wall of the mounting groove 7 and fits tightly therewith, so that the quick traction pin body 1 can be quickly disassembled and assembled on the inner wall of the connecting column 4, and the connecting column 4 is fixed to the inner wall of the chassis 5, and then the traction work can be carried out through the traction pin body 1. When the traction pin body 1 needs to be protected, the technician can insert the cover sleeve 11 into the inner wall of the fixing groove 14, drive the inner wall of the cushion 20 to cover the outer wall of the traction pin body 1 and fit it, and when the outer wall of the limit plate 13 slides over the outer wall of the block 17 The second spring 16 rebounds and can push the block 17 to slide through the top plate 15 until it slides to the lower surface of the limit plate 13. Then, the gravity generated by the counterweight 12 can fix the cover sleeve 11 on the inner wall of the fixing groove 14, thereby protecting the traction pin body 1. Then, the cover sleeve 11 is pushed to move upward, and the outer wall of the positioning ring 19 can push the block 17 to slide on the inner wall of the chassis 5. After the outer wall of the block 17 slides over the positioning ring 19, the cover sleeve 11 is pulled to move downward, and the block 17 can drive the positioning ring 19 to slide upward on the outer wall of the cover sleeve 11 until the upper surface of the positioning ring 19 fits with the inner wall of the limit plate 13. Then, the block 17 is squeezed into the inner wall of the chassis 5 through the positioning ring 19, so that the cover sleeve 11 can be disassembled. That is, the traction pin can not only achieve fast disassembly and assembly, meet the needs of regular maintenance and inspection, and improve safety and reliability, but also reduce oxidation and corrosion on the surface of the traction pin, thereby extending its service life.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A traction pin disassembly and assembly structure with a protective structure, comprising a traction pin body (1), characterized in that: The upper surface of the traction pin body (1) is fixedly connected to a guide column (2), the outer wall of the guide column (2) is fixedly connected to a fixed block (3), the outer wall of the fixed block (3) is provided with a connecting column (4), the top of the connecting column (4) is fixedly connected to a chassis (5), the interior of the connecting column (4) is provided with a slide groove (6), the outer wall of the fixed block (3) is arranged on the inner wall of the slide groove (6), the interior of the connecting column (4) is provided with an installation groove (7), and the outer wall of the fixed block (3) is arranged on the inner wall of the slide groove (6). The inner wall of the groove (7) is provided, the interior of the connecting column (4) is slidably connected with a sliding column (8), the bottom end of the sliding column (8) is fixedly connected with a pressure plate (9), the upper surface of the pressure plate (9) is fixedly connected with a first spring (10), the outer wall of the first spring (10) is fixedly connected to the inner wall of the connecting column (4), the lower surface of the pressure plate (9) is arranged on the upper surface of the guide column (2), and the outer wall of the connecting column (4) is provided with a protective component, which is used to protect the traction pin body (1).

2. A traction pin disassembly and assembly structure with a protective structure according to claim 1, characterized in that: The protective component comprises a soft pad (20), the inner wall of the soft pad (20) being arranged on the outer wall of the traction pin body (1), and the outer wall of the soft pad (20) being fixedly connected with a cover sleeve (11).

3. The traction pin disassembly and assembly structure with a protective structure according to claim 2, characterized in that: The bottom end of the cover sleeve (11) is fixedly connected to a counterweight block (12), the outer wall of the cover sleeve (11) is fixedly connected to a limit plate (13), a fixing groove (14) is provided inside the chassis (5), and the outer wall of the limit plate (13) is arranged on the inner wall of the fixing groove (14).

4. The traction pin disassembly and assembly structure with a protective structure according to claim 3, characterized in that: The outer wall of the limiting plate (13) is provided with a clamping block (17), and the outer wall of the clamping block (17) is slidably connected to the inner wall of the bottom plate (5).

5. The traction pin disassembly and assembly structure with a protective structure according to claim 4, characterized in that: The outer wall of the clamping block (17) is fixedly connected to the top plate (15), and the outer wall of the top plate (15) is slidably connected to the inner wall of the bottom plate (5).

6. The traction pin disassembly and assembly structure with a protective structure according to claim 5, characterized in that: The outer wall of the top plate (15) is fixedly connected to a second spring (16), and the outer wall of the second spring (16) is fixedly connected to the inner wall of the bottom plate (5).

7. The traction pin disassembly and assembly structure with a protective structure according to claim 6, characterized in that: The outer wall of the cover sleeve (11) is fixedly connected with a fixing ring (18), the upper surface of the fixing ring (18) is provided with a positioning ring (19), the interior of the positioning ring (19) is slidably connected to the outer wall of the cover sleeve (11), and the outer wall of the clamping block (17) is arranged on the outer wall of the positioning ring (19).

8. The traction pin disassembly and assembly structure with a protective structure according to claim 7, characterized in that: The outer wall of the positioning ring (19) is arranged on the inner wall of the limiting plate (13).

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