High-wear-resistance aluminum alloy profile for rail transit

Abstract

The utility model discloses a high-wear-resistance aluminum alloy section bar for rail transit, relates to the technical field of aluminum alloy section bars, and solves the problems that the wear-resistance effect is not ideal and the aluminum alloy section bar is easy to damage due to long-term wear in the use process, and comprises an aluminum alloy section bar body, and a protective layer is arranged on the outer surface of the aluminum alloy section bar body. According to the aluminum alloy section bar, by arranging the aluminum alloy section bar body, connection and fixation can be conveniently carried out on the track seam, the stability of the track seam is improved, by arranging the protection plates, the pin blocks and the pin holes, the corners of the aluminum alloy section bar body can be protected, and the service life of the aluminum alloy section bar body is prolonged. The wear resistance of the corners of the aluminum alloy profile body is improved, the aluminum alloy profile body is prevented from being damaged due to wear, the service life of the aluminum alloy profile body is prolonged, the surface of the aluminum alloy profile body can be protected by arranging the high-temperature-resistant layer and the wear-resistant layer, and the wear resistance of the surface of the aluminum alloy profile body is further improved.

Description

Technical Field

[0001] This utility model relates to the field of aluminum alloy profile technology, and in particular to a high wear-resistant aluminum alloy profile for rail transit. Background Technology

[0002] Aluminum alloy profiles are widely used in the rail transit field, mainly due to their lightweight, high strength, corrosion resistance, and machinability. Aluminum alloy profiles can be used to manufacture track beams, track slabs, track joints, etc. Their excellent corrosion resistance and wear resistance can improve the service life and safety of the track. The application of track joints is particularly widespread, improving the overall integrity of track joints. While the aluminum alloy profiles currently used in rail transit can meet normal usage requirements, they still have shortcomings in actual use. For example, the wear resistance of the currently used aluminum alloy profiles in rail transit is not ideal, and they are easily damaged due to long-term wear during use, resulting in a limited service life. Improvements are needed. Therefore, a high-wear-resistant aluminum alloy profile for rail transit is proposed. Summary of the Invention

[0003] To address the problem of unsatisfactory wear resistance and susceptibility to damage due to long-term wear during use, this utility model provides a high wear-resistant aluminum alloy profile for rail transit.

[0004] This utility model provides a high wear-resistant aluminum alloy profile for rail transit, employing the following technical solution:

[0005] A high wear-resistant aluminum alloy profile for rail transit includes an aluminum alloy profile body, a protective layer on the outer surface of the aluminum alloy profile body, pin holes on the four corners of the left side of the aluminum alloy profile body, pin blocks inserted into the inner surface of the pin holes, a protective plate fixedly connected to the left side of the pin blocks, and a limit mechanism provided at the bottom of the protective plate.

[0006] The protective layer includes a high-temperature resistant layer and a wear-resistant layer. The high-temperature resistant layer is disposed on the outer surface of the aluminum alloy profile body, and the wear-resistant layer is disposed on the outer surface of the high-temperature resistant layer.

[0007] By adopting the above technical solution, the edges and corners of the aluminum alloy profile body can be protected, the wear resistance of the edges and corners of the aluminum alloy profile body can be improved, damage to the aluminum alloy profile body caused by wear can be avoided, the service life of the aluminum alloy profile body can be increased, and the surface of the aluminum alloy profile body can also be protected, further improving the wear resistance of the surface of the aluminum alloy profile body. The aluminum alloy profile body has good wear resistance and will not be damaged by long-term wear, resulting in a long service life.

[0008] Optionally, the limiting mechanism includes four sleeves, which are respectively fixedly installed at the front and rear positions on one side of the two protective plates. A limiting rod is movably connected to the inner surface of the sleeve. A pull block is fixedly connected to one side of the limiting rod. A limiting hole for use with the limiting rod is opened on one side of the pin block. The outer surface of the limiting rod is inserted into the inner surface of the limiting hole.

[0009] By adopting the above technical solution, the protective plate can be installed and fixed, and it is also convenient to disassemble and replace the protective plate.

[0010] Optionally, a limiting ring is fixedly connected to the outer surface of the limiting rod, and a groove is provided in the inner cavity of the sleeve to cooperate with the limiting ring. The outer surface of the limiting ring is slidably connected to the inner surface of the groove.

[0011] By adopting the above technical solution, the movement of the limit rod can be guided and limited.

[0012] Optionally, a compression spring is movably connected to the outer surface of the limiting rod. The end of the compression spring near the limiting ring is fixedly connected to the connection point of the limiting ring, and the end of the compression spring away from the limiting ring is fixedly connected to the connection point of the inner cavity of the ring groove.

[0013] By adopting the above technical solution, the connection tightness between the limiting rod and the limiting hole can be improved.

[0014] Optionally, the surface of the aluminum alloy profile body is uniformly provided with mounting holes, and the number of mounting holes is three.

[0015] By adopting the above technical solution, the aluminum alloy profile body can be installed and fixed.

[0016] Optionally, a through hole is provided on one side of the inner cavity of the pin hole, and the outer surface of the limiting rod is slidably connected to the inner surface of the through hole.

[0017] By adopting the above technical solution, the limit rod can be moved easily.

[0018] Optionally, the high-temperature resistant layer is a fluorocarbon resin coating, and the wear-resistant layer is a polytetrafluoroethylene coating.

[0019] In summary, this utility model has the following beneficial effects:

[0020] 1. This utility model, by setting an aluminum alloy profile body, facilitates the connection and fixation of the track joint, improving the stability of the track joint. By setting protective plates, pin blocks, and pin holes, the edges and corners of the aluminum alloy profile body can be protected, improving the wear resistance of the edges and corners of the aluminum alloy profile body, avoiding damage to the aluminum alloy profile body due to wear, and extending the service life of the aluminum alloy profile body. By setting a high-temperature resistant layer and a wear-resistant layer, the surface of the aluminum alloy profile body can be protected, further improving the wear resistance of the surface of the aluminum alloy profile body. This aluminum alloy profile body has good wear resistance, will not be damaged due to long-term wear, and has a long service life.

[0021] 2. This utility model, by setting a sleeve, a pull block, a limiting rod, and a limiting hole, can install and fix the protective plate, and also facilitates the disassembly and replacement of the protective plate. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0024] Figure 3 This is an exploded view of the pin hole and pin block structure of this utility model;

[0025] Figure 4 The structure of this utility model Figure 2 A magnified view of a section at point A in the middle;

[0026] Figure 5 This is a partial cross-sectional view of the protective layer structure of this utility model.

[0027] In the diagram: 1. Aluminum alloy profile body; 2. Protective layer; 201. High temperature resistant layer; 202. Wear resistant layer; 3. Pin hole; 4. Pin block; 5. Protective plate; 6. Limiting mechanism; 601. Sleeve; 602. Limiting rod; 603. Pull block; 604. Limiting hole; 7. Limiting ring; 8. Ring groove; 9. Compression spring; 10. Mounting hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0029] Please refer to Figures 1-5A high wear-resistant aluminum alloy profile for rail transit includes an aluminum alloy profile body 1, a protective layer 2 on the outer surface of the aluminum alloy profile body 1, pin holes 3 on the four corners of the left side of the aluminum alloy profile body 1, pin blocks 4 inserted into the inner surface of the pin holes 3, a protective plate 5 fixedly connected to the left side of the pin blocks 4, and a limit mechanism 6 provided at the bottom of the protective plate 5.

[0030] The protective layer 2 includes a high-temperature resistant layer 201 and a wear-resistant layer 202. The high-temperature resistant layer 201 is disposed on the outer surface of the aluminum alloy profile body 1, and the wear-resistant layer 202 is disposed on the outer surface of the high-temperature resistant layer 201.

[0031] As a further technical optimization of this utility model, the surface of the aluminum alloy profile body 1 is uniformly provided with mounting holes 10, and the number of mounting holes 10 is three.

[0032] As a further technical optimization of this utility model, the high-temperature resistant layer 201 is a fluorocarbon resin coating, which has good heat resistance, chemical resistance, cold resistance and low-temperature flexibility. The wear-resistant layer 202 is a polytetrafluoroethylene coating, which has excellent chemical stability, corrosion resistance, sealing performance, high lubricity and non-stickiness, electrical insulation and good wear resistance.

[0033] In this embodiment: by setting the aluminum alloy profile body 1, it is easy to connect and fix the track joint, improving the stability of the track joint. By setting the protective plate 5, pin block 4 and pin hole 3, the edges and corners of the aluminum alloy profile body 1 can be protected, improving the wear resistance of the edges and corners of the aluminum alloy profile body 1, avoiding damage to the aluminum alloy profile body 1 due to wear, and increasing the service life of the aluminum alloy profile body 1. By setting the high temperature resistant layer 201 and wear resistant layer 202, the surface of the aluminum alloy profile body 1 can be protected, further improving the wear resistance of the surface of the aluminum alloy profile body 1. The aluminum alloy profile body 1 has good wear resistance and will not be damaged due to long-term wear, with a long service life. By setting the mounting hole 10, it is easy to install and fix the aluminum alloy profile body 1. Example 2

[0034] Reference Figures 1-5 The limiting mechanism 6 includes four sleeves 601, which are fixedly installed at the front and rear positions on one side of the two protective plates 5 respectively. The inner surface of the sleeve 601 is movably connected to a limiting rod 602. A pull block 603 is fixedly connected to one side of the limiting rod 602. A limiting hole 604 is opened on one side of the pin block 4 to cooperate with the limiting rod 602. The outer surface of the limiting rod 602 is inserted into the inner surface of the limiting hole 604.

[0035] As a further technical optimization of this utility model, the outer surface of the limiting rod 602 is fixedly connected to the limiting ring 7, and the inner cavity of the sleeve 601 is provided with a groove 8 for use with the limiting ring 7. The outer surface of the limiting ring 7 is slidably connected to the inner surface of the groove 8.

[0036] As a further technical optimization of this utility model, a compression spring 9 is movably connected to the outer surface of the limiting rod 602. The end of the compression spring 9 near the limiting ring 7 is fixedly connected to the connection point of the limiting ring 7, and the end of the compression spring 9 away from the limiting ring 7 is fixedly connected to the connection point of the inner cavity of the groove 8.

[0037] As a further technical optimization of this utility model, a through hole is provided on one side of the inner cavity of the pin hole 3, and the outer surface of the limiting rod 602 is slidably connected to the inner surface of the through hole.

[0038] In this embodiment: by setting the sleeve 601, pull block 603, limiting rod 602 and limiting hole 604, the protective plate 5 can be installed and fixed, and the protective plate 5 can also be disassembled and replaced. By setting the limiting ring 7 and the groove 8, the movement of the limiting rod 602 can be guided and limited. By setting the compression spring 9, the connection tightness between the limiting rod 602 and the limiting hole 604 can be improved. By setting the through hole, the movement of the limiting rod 602 can be facilitated.

[0039] The implementation principle of this utility model is as follows: When connecting the track joint, two aluminum alloy profile bodies 1 are placed on both sides of the track joint. Bolts are passed through the mounting holes 10, and then the aluminum alloy profile bodies 1 are installed on both sides of the track joint using the cooperation of nuts and bolts to connect and fix the track joint. Then, the pin block 4 on the surface of the protective plate 5 is inserted into the pin hole 3, and the limiting rod 602 is inserted into the limiting hole 604 to install and fix the protective plate 5. At this time, the protective plate 5 provides wear-resistant protection for the edges and corners of the aluminum alloy profile body 1. When the aluminum alloy profile body 1 is subjected to friction, it first contacts the protective plate 5. The protective plate 5 protects the aluminum alloy profile body 1, preventing damage to the aluminum alloy profile body 1 due to wear and improving the service life of the aluminum alloy profile body 1. At the same time, the wear-resistant layer 202 provides wear-resistant protection for the surface of the aluminum alloy profile body 1, improving the wear resistance of the surface of the aluminum alloy profile body 1. The aluminum alloy profile body 1 has good wear resistance and will not be damaged due to long-term wear, resulting in a long service life.

[0040] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A high wear-resistant aluminum alloy profile for rail transit, comprising an aluminum alloy profile body (1), characterized in that: The outer surface of the aluminum alloy profile body (1) is provided with a protective layer (2). The four corners on the left side of the aluminum alloy profile body (1) are provided with pin holes (3). The inner surface of the pin holes (3) is inserted with pin blocks (4). The left side of the pin blocks (4) is fixedly connected with a protective plate (5). The bottom of the protective plate (5) is provided with a limit mechanism (6). The protective layer (2) includes a high-temperature resistant layer (201) and a wear-resistant layer (202). The high-temperature resistant layer (201) is disposed on the outer surface of the aluminum alloy profile body (1), and the wear-resistant layer (202) is disposed on the outer surface of the high-temperature resistant layer (201).

2. The high wear-resistant aluminum alloy profile for rail transit according to claim 1, characterized in that: The limiting mechanism (6) includes four sleeves (601), which are fixedly installed at the front and rear positions on one side of the two protective plates (5). The inner surface of the sleeve (601) is movably connected to a limiting rod (602). A pull block (603) is fixedly connected to one side of the limiting rod (602). A limiting hole (604) is opened on one side of the pin block (4) to cooperate with the limiting rod (602). The outer surface of the limiting rod (602) is inserted into the inner surface of the limiting hole (604).

3. The high wear-resistant aluminum alloy profile for rail transit according to claim 2, characterized in that: The outer surface of the limiting rod (602) is fixedly connected to a limiting ring (7), and the inner cavity of the sleeve (601) is provided with a groove (8) for use with the limiting ring (7). The outer surface of the limiting ring (7) is slidably connected to the inner surface of the groove (8).

4. The high wear-resistant aluminum alloy profile for rail transit according to claim 3, characterized in that: A compression spring (9) is movably connected to the outer surface of the limiting rod (602). The end of the compression spring (9) near the limiting ring (7) is fixedly connected to the connection point of the limiting ring (7), and the end of the compression spring (9) away from the limiting ring (7) is fixedly connected to the connection point of the inner cavity of the ring groove (8).

5. The high wear-resistant aluminum alloy profile for rail transit according to claim 1, characterized in that: The surface of the aluminum alloy profile body (1) is uniformly provided with mounting holes (10), and the number of mounting holes (10) is three.

6. The high wear-resistant aluminum alloy profile for rail transit according to claim 2, characterized in that: A through hole is provided on one side of the inner cavity of the pin hole (3), and the outer surface of the limiting rod (602) is slidably connected to the inner surface of the through hole.

7. The high wear-resistant aluminum alloy profile for rail transit according to claim 1, characterized in that: The high-temperature resistant layer (201) is a fluorocarbon resin coating, and the wear-resistant layer (202) is a polytetrafluoroethylene coating.

Images