High-performance mixed casting nylon sleeper

The high-performance nylon railroad tie, with carbon-glass fiber reinforcement and grooved surfaces, addresses durability and traction issues, offering improved load-bearing, reduced vibration, and easier installation, thus enhancing durability and usability in varied conditions.

CN223103378UActive Publication Date: 2025-07-15WEIHAI RUIHE RAILWAY SLEEPER CO LTD
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Patent Information

Application Number
CN202421749124.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-07-15
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

There is still room for improvement in the performance of existing nylon sleepers in high performance, long life and extreme environments, especially in terms of load-bearing capacity, wear resistance and environmental adaptability.

Method used

High-performance nylon material is used as the sleeper matrix, combining carbon fiber and glass fiber reinforcement, setting up concave and bump points and rail grooves, filling them with shock-absorbing rubber and ultraviolet-proof agent to enhance the load-bearing, wear resistance and weather resistance of the sleeper, and improving drainage performance.

Benefits of technology

It improves the load-bearing and weather resistance of the sleepers, reduces vibration and noise, enhances installation efficiency and service life, and adapts to a wider range of environmental conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-performance mixed casting nylon sleeper and belongs to the technical field of nylon sleepers, the high-performance mixed casting nylon sleeper comprises a sleeper base body, two sets of rail grooves are formed in the upper portion of the sleeper base body, multiple sets of concave-convex points are arranged in the two sets of rail grooves, the distances between the multiple sets of concave-convex points are the same, and a middle groove is formed in the middle of the sleeper base body; by arranging the sleeper base body, during use, the reinforcing agent evenly dispersed in the sleeper base body can be effectively improved so as to improve the bearing capacity and abrasion resistance of the sleeper base body, the sleeper base body is made of the high-performance nylon material, the high-performance nylon material has excellent weather resistance and chemical stability, and by arranging the concave-convex points, the wear resistance of the sleeper base body is improved. The friction force between the sleeper and a track can be increased, the sleeper base body is prevented from sliding in the using process, meanwhile, the concave-convex points can improve the drainage performance of the sleeper and prevent accumulated water from damaging the sleeper base body, and the arrangement combines the weather resistance of nylon materials and the high strength and abrasion resistance provided by special additives.
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Description

Technical Field

[0001] This application relates to the technical field of nylon sleepers, and particularly to a high-performance cast nylon sleeper. Background Art

[0002] Sleepers are an important part of railway tracks. Traditional sleepers are mostly made of wood or concrete. Wooden sleepers are prone to corrosion and have poor durability. Although concrete sleepers have relatively high strength, they are heavy, prone to cracking, and their environmental adaptability needs to be improved. In recent years, some new materials such as nylon have been tried in the manufacture of sleepers to improve the durability and environmental adaptability of sleepers. However, pure nylon sleepers still need to be improved in terms of load-bearing capacity and wear resistance.

[0003] At present, nylon sleepers on the market, although they have improved the defects of traditional sleepers to a certain extent, still have room for improvement in terms of high performance and long life, especially the performance under extreme environments needs to be further enhanced. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, this application provides a high-performance cast nylon sleeper, which overcomes the deficiencies of the prior art and aims to solve the problem that nylon sleepers on the market at present, although they have improved the defects of traditional sleepers to a certain extent, still have room for improvement in terms of high performance and long life, especially the performance under extreme environments needs to be further enhanced.

[0005] To achieve the above object, this application provides the following technical solution: A high-performance cast nylon sleeper, including a sleeper base body. There are two sets of rail grooves arranged above the sleeper base body. Multiple sets of concave and convex points are arranged inside each of the two sets of rail grooves, and the spacing between multiple sets of concave and convex points is the same. A central groove is arranged in the middle of the sleeper base body. The material of the sleeper base body is a high-performance nylon material, and a reinforcing agent is evenly mixed inside the sleeper base body. The material of the reinforcing agent is a mixture of carbon fiber and glass fiber.

[0006] By adopting the above technical solution, by setting the sleeper base body, during use, the reinforcing agent evenly dispersed inside the sleeper base body can effectively improve the load-bearing capacity and wear resistance of the sleeper base body. Moreover, the material of the sleeper base body is a high-performance nylon material, and the high-performance nylon material has excellent weather resistance and chemical stability. By setting the concave and convex points, the friction with the track can be increased to prevent the sleeper base body from sliding during use. At the same time, the concave and convex points can also improve the drainage performance of the sleeper to prevent water accumulation from damaging the sleeper base body. Such a setting combines the weather resistance of nylon materials with the high strength and wear resistance provided by special additives to adapt to a wider range of use environments and improve the service life.

[0007] As a preferred technical solution of the present application, a plurality of cavities are provided inside the sleeper base body, and shock-absorbing fillers are filled inside the plurality of cavities. The shock-absorbing fillers are made of shock-absorbing rubber, and the distances between the plurality of cavities are the same.

[0008] By adopting the above technical solution, by arranging the shock-absorbing fillers and filling the shock-absorbing fillers inside the cavities during use, the vibration and noise generated during the train running can be reduced, the comfort of passengers can be improved, and at the same time, the bearing performance of the sleeper base body can be enhanced.

[0009] As a preferred technical solution of the present application, two sets of clamping members are provided inside the two rail grooves, and the two sets of clamping members are located on both sides of the uneven points.

[0010] By adopting the above technical solution, by arranging the clamping members, the two sides of the track inside the rail groove can be clamped more conveniently during use, which is convenient for the staff to install the track and improves the installation efficiency.

[0011] As a preferred technical solution of the present application, a connecting block is provided inside the middle groove, and the height of the connecting block is the same as the height of the sleeper base body.

[0012] By adopting the above technical solution, by arranging the connecting block, the stability can be further increased, and it is more stable when bearing the dynamic pressure and vibration generated during the train operation.

[0013] As a preferred technical solution of the present application, connecting rings are provided on both sides of the sleeper base body.

[0014] By adopting the above technical solution, by arranging the connecting rings, when carrying or installing the sleeper base body, the connection can be more convenient through the connecting rings, and the efficiency of carrying and installing is improved.

[0015] As a preferred technical solution of the present application, an anti-ultraviolet agent is added inside the sleeper base body.

[0016] By adopting the above technical solution, by arranging the anti-ultraviolet agent, the service life of the sleeper base body in the outdoor environment can be further improved. The anti-ultraviolet agent can absorb or reflect ultraviolet rays and reduce the damage of ultraviolet rays to the sleeper base body.

[0017] Advantages of the present application:

[0018] 1. By setting the sleeper matrix, during use, the reinforcing agent evenly dispersed inside the sleeper matrix can effectively improve the bearing capacity and wear resistance of the sleeper matrix. Moreover, the material of the sleeper matrix is a high-performance nylon material, which has excellent weather resistance and chemical stability. By setting the concave and convex points, the friction with the track can be increased to prevent the sleeper matrix from sliding during use. At the same time, the concave and convex points can also improve the drainage performance of the sleeper to prevent water accumulation from damaging the sleeper matrix. Such a setting combines the weather resistance of the nylon material with the high strength and wear resistance provided by special additives to adapt to a wider range of use environments and extend the service life.

[0019] 2. By setting the shock-absorbing filler and filling the shock-absorbing filler inside the cavity during use, the vibration and noise generated during the train's operation can be reduced, improving the comfort of passengers. At the same time, it can also enhance the bearing performance of the sleeper matrix. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 is a schematic diagram of the bottom view structure of the present application;

[0022] Figure 3 is a schematic diagram of the sectional structure of the present application;

[0023] Figure 4 is a schematic diagram of the side view structure of the present application.

[0024] In the figure: 1, sleeper matrix; 101, reinforcing agent; 102, cavity; 103, shock-absorbing filler; 2, rail groove; 201, concave and convex points; 202, clamping member; 3, middle groove; 301, connecting block; 4, connecting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0026] Refer to Figures 1-3, A high-performance cast nylon sleeper, comprising a sleeper base body 1, two sets of railway track grooves 2 are arranged above the sleeper base body 1, a plurality of uneven points 201 are arranged inside each of the two sets of railway track grooves 2, and the distances between the plurality of uneven points 201 are the same. A middle groove 3 is arranged in the middle of the sleeper base body 1. The material of the sleeper base body 1 is a high-performance nylon material, and a reinforcing agent 101 is evenly mixed inside the sleeper base body 1. The material of the reinforcing agent 101 is a mixture of carbon fiber and glass fiber. Two sets of clamping parts 202 are arranged inside each of the two sets of railway track grooves 2, and the two sets of clamping parts 202 are located on both sides of the uneven points 201.

[0027] By arranging the sleeper base body 1, during use, the reinforcing agent 101 evenly dispersed inside the sleeper base body 1 can effectively improve the bearing capacity and wear resistance of the sleeper base body 1. Moreover, the material of the sleeper base body 1 is a high-performance nylon material, and the high-performance nylon material has excellent weather resistance and chemical stability. By arranging the uneven points 201, the friction with the track can be increased to prevent the sleeper base body 1 from sliding during use. At the same time, the uneven points 201 can also improve the drainage performance of the sleeper to prevent water accumulation from damaging the sleeper base body 1. Such an arrangement combines the weather resistance of the nylon material with the high strength and wear resistance provided by special additives to adapt to a wider range of use environments and improve the service life. By arranging the clamping parts 202, the two sides of the track inside the railway track groove 2 can be more conveniently clamped during use, facilitating the installation of the track by the staff and improving the installation efficiency.

[0028] Refer to Figure 3 , A plurality of cavities 102 are formed inside the sleeper base body 1, and each of the plurality of cavities 102 is filled with a shock-absorbing filler 103. The material of the shock-absorbing filler 103 is shock-absorbing rubber, and the distances between the plurality of cavities 102 are the same; a connecting block 301 is arranged inside the middle groove 3, and the height of the connecting block 301 is the same as the height of the sleeper base body 1; an anti-ultraviolet agent is added inside the sleeper base body 1. By arranging the shock-absorbing filler 103, during use, filling the shock-absorbing filler 103 inside the cavities 102 can reduce the vibration and noise generated during the train running, improve the comfort of passengers, and at the same time enhance the bearing performance of the sleeper base body 1; by arranging the connecting block 301, the stability can be further increased, making it more stable when bearing the dynamic pressure and vibration generated during the train operation; by arranging the anti-ultraviolet agent, the service life of the sleeper base body 1 in the outdoor environment can be further improved. The anti-ultraviolet agent can absorb or reflect ultraviolet rays and reduce the damage of ultraviolet rays to the sleeper base body 1.

[0029] Refer to Figure 1 , Connecting rings 4 are arranged on both sides of the sleeper base body 1; by arranging the connecting rings 4, during the handling or installation of the sleeper base body 1, connection can be more conveniently carried out through the connecting rings 4, improving the handling and installation efficiency.

[0030] Working principle: by setting the sleeper matrix 1, when in use, the reinforcing agent 101 uniformly dispersed inside the sleeper matrix 1 can effectively enhance the load-bearing capacity and wear resistance of the sleeper matrix 1, and the material of the sleeper matrix 1 is high-performance nylon material, which has excellent weather resistance and chemical stability. By setting the concave and convex points 201, the friction with the track can be increased to prevent the sleeper matrix 1 from sliding during use. At the same time, the concave and convex points 201 can also improve the drainage performance of the sleeper to prevent the accumulation of water from damaging the sleeper matrix 1. This setting combines the weather resistance of the nylon material with the high strength and wear resistance provided by the special additives to adapt to a wider range of use environments and increase the service life. By setting the shock-absorbing filler 103, the shock-absorbing filler 103 is filled inside the cavity 102 when in use, which can reduce the vibration and noise generated during the train running, improve the comfort of passengers, and also enhance the load-bearing performance of the sleeper matrix 1.

[0031] Among them, by providing the clamping piece 202, it is more convenient to clamp the two sides of the rail inside the rail groove 2 during use, which is convenient for workers to install the rail and improves the installation efficiency. By providing the connecting block 301, the stability can be further increased, making it more stable when bearing the dynamic pressure and vibration generated by the running of the train;

[0032] At the same time, by providing the connection ring 4, when the sleeper base 1 is transported or installed, the connection can be more conveniently performed through the connection ring 4, thereby improving the efficiency of transport and installation;

[0033] In addition, by providing an anti-ultraviolet agent, the service life of the sleeper base 1 in an outdoor environment can be further improved. The anti-ultraviolet agent can absorb or reflect ultraviolet rays, thereby reducing the damage of ultraviolet rays to the sleeper base 1.

[0034] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application is 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-performance cast-in-place nylon sleeper, comprising a sleeper matrix (1), characterized in that, Above the sleeper base (1), there are two sets of rail grooves (2). Inside each of the two sets of rail grooves (2), there are multiple sets of concave and convex points (201). The spacing between the multiple sets of concave and convex points (201) is the same. In the middle of the sleeper base (1), there is a middle groove (3). The material of the sleeper base (1) is high-performance nylon material. Inside the sleeper base (1), a reinforcing agent (101) is evenly mixed. The material of the reinforcing agent (101) is a mixture of carbon fiber and glass fiber.

2. The high-performance cast nylon sleeper according to claim 1, wherein Inside the sleeper base (1), there are multiple sets of cavities (102). Inside each of the multiple sets of cavities (102), a shock-absorbing filler (103) is filled. The material of the shock-absorbing filler (103) is shock-absorbing rubber. The spacing between the multiple sets of cavities (102) is the same.

3. The high-performance cast nylon sleeper according to claim 1, characterized in that, Inside each of the two sets of rail grooves (2), there are two sets of clamping parts (202). The two sets of clamping parts (202) are located on both sides of the concave and convex points (201).

4. A high-performance cast nylon sleeper according to claim 1, characterized in that, Inside the middle groove (3), there is a connecting block (301). The height of the connecting block (301) is the same as the height of the sleeper base (1).

5. The high-performance mixed-cast nylon sleeper according to claim 1, characterized in that, On both sides of the sleeper base (1), there are connecting rings (4).

6. The high-performance cast nylon sleeper according to claim 1, characterized in that, An anti-ultraviolet agent is added inside the sleeper base (1).