High-strength high-modulus polyester elastomer base plate structure for track

By using a high-strength, high-modulus polyester elastomer pad body and an improved structural design, the problem of insufficient pad strength on heavy-duty lines has been solved, achieving pressure resistance and anti-slip effects, extending service life and improving driving safety.

CN223660522UActive Publication Date: 2025-12-12BEIJING ZKYT TECH CO LTD
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Patent Information

Application Number
CN202422099767.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-12-12
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

The existing rubber pads are not strong enough on heavy-load lines, and are prone to shoulder damage and slippage, which can lead to damage to rails and concrete sleepers and affect train operation safety.

Method used

The gasket body is made of high-strength, high-modulus polyester elastomer material, with a reinforced core and improved shoulder design. Combining a cylindrical, tubular, and spring structure, it disperses pressure through elasticity and counterforce, improving pressure resistance and preventing slippage.

Benefits of technology

It effectively prevents the pad from being damaged or slipping out under heavy loads, extends its service life, ensures driving safety, and the material is recyclable and environmentally friendly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of elastomer base plates, and provides a high-strength and high-modulus polyester elastomer base plate structure for a track, which comprises a gasket body and two support frames, the two shoulder pads are fixedly arranged on one side of the gasket body, and round holes are formed in the centers of one sides of the two shoulder pads. When the base plate structure is used, the base plate structure is made of a polyester elastomer material, the high-load operation environment is met, when the two shoulder pads are produced through the gasket body, injection molding and demolding are easier, the strength of the two shoulder pads is enhanced, and the service life of the base plate structure is prolonged. The base plate can prevent damage and slip, prevent the sleeper from being pressed, prolong the service life of the sleeper, is made of thermoplastic materials, can be recycled and is beneficial to environmental protection, so that the base plate can be used for heavy-load lines with large load and large axle load, and the phenomenon that the gasket is damaged or slips out in the using process of the base plate can be prevented; and the steel rail and the cement sleeper are damaged due to a hard-to-hard effect, so that the driving safety is influenced.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of elastomer pads, in particular to a high-strength high-modulus polyester elastomer pad structure for a track. BACKGROUND

[0002] The track pad, commonly used in railway construction and maintenance, is a structural member placed between the railway track and the sleeper.

[0003] At present, the existing patent with the patent number CN220377016U discloses a track pad, which specifically relates to the technical field of track transportation instruments and comprises a protective plate, a sealing gasket is fixedly connected to one side of the protective plate, an installation hole is formed in one side of the sealing gasket, an adjusting groove is formed in one side of the installation hole, an expansion ring is arranged on the inner wall of the adjusting groove, and an installation mechanism assembly is mounted on one side of the protective plate. The track pad is connected to each other in the form of the installation mechanism assembly and the connecting block, the further installation of the track pad is completed, the problem that the existing track pad cannot be tightly connected to the track for a long time is solved, the staff can conveniently and quickly connect the track pads, the tightness of the connection between the track pad and the track is further improved, the track pad is prevented from being separated and swollen after being used for a long time, and the service life of the track pad is prolonged.

[0004] Although the above-mentioned scheme has the advantages as above, the disadvantages of the above-mentioned scheme are that the existing heavy-load track uses rubber pads, the strength of the rubber pad cannot meet the use of heavy-load track with large load and large axle load, and the height and thickness of the shoulder of the existing rubber pad are small, the shoulder of the rubber pad is damaged during use, the pad slips out, the steel rail and the cement sleeper are hard to collide, are damaged, and the driving safety is affected. Utility model content

[0005] The high-strength high-modulus polyester elastomer pad structure for a track provided by the application can meet the use of heavy-load track with large load and large axle load, can prevent the pad from being damaged or slipping out during use, can prevent the steel rail and the cement sleeper from being hard to collide, being damaged and affecting the driving safety.

[0006] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme: a high-strength high-modulus polyester elastomer pad structure for a track, which comprises:

[0007] The pad body and the two supporting frames;

[0008] Two pads, fixedly arranged on one side of the gasket body, and a circular hole is formed in the center of one side of the two pads, the gasket body is made of polyester elastomer material, the strength, modulus and comprehensive performance are higher than those of rubber material, the two pads are produced by injection molding, the height of the two pads is increased from 11mm to 17mm, and the width is increased from 5mm to 10mm, so that the strength of the two pads is strengthened, and damage and sliding are prevented.

[0009] Two sliding rails are respectively arranged on one side of the two pads, and the two sliding rails reduce the shear of the gasket body sliding on the cement sleeper.

[0010] The reinforcing core is arranged on the inner wall of the gasket body, the reinforcing core is made of glass felt, the glass felt has high strength, light weight and durability, and the strength of the gasket body is improved.

[0011] Two cylinders are respectively embedded in the inner wall of the two circular holes, and two flanges are fixedly arranged on the outer surface of the two cylinders, the two cylinders are inserted into the two circular holes, the two pads have elasticity, and the two cylinders are clamped by extrusion.

[0012] As a further improvement of the present application: the two sides of the gasket body are coated with waterproof paint, and the two waterproof paint materials are polyurethane paint, which has good elasticity and water resistance.

[0013] As a further improvement of the present application: two horizontal rods are fixedly arranged on the two sides of the inner wall of the support frame, and two cylinders are movably sleeved on the outer surface of the two horizontal rods, and the plurality of cylinders can slide on the outer surface of the two horizontal rods.

[0014] As a further improvement of the present application: a spring is fixedly arranged on one side of the plurality of cylinders, and when the plurality of springs are extruded, a reverse force is generated, which can reduce a part of the force received by the gasket body.

[0015] As a further improvement of the present application: a plurality of grooves are formed on the outer surface of the plurality of cylinders, and a first connecting shaft is fixedly arranged on the inner wall of the plurality of grooves.

[0016] As a further improvement of the present application: a transmission rod is movably sleeved on the outer surface of the plurality of first connecting shafts, a second connecting shaft is movably embedded on one side of the plurality of transmission rods, and the plurality of transmission rods can rotate around the plurality of first connecting shafts or the plurality of second connecting shafts.

[0017] As a further improvement of the present application: the plurality of second connecting shafts are respectively fixedly arranged on the inner wall of the plurality of flanges.

[0018] As a further improvement of the present application: a plurality of springs are respectively movably sleeved on the outer surfaces of the two horizontal rods, and the plurality of springs can respectively slide on the outer surfaces of the two horizontal rods.

[0019] Compared with the prior art, the application has the advantages and positive effects that,

[0020] 1. In the application, when the cushion plate structure is used, the material is selected to be a polyester elastomer material, which has higher strength, modulus and comprehensive performance than rubber materials, and can meet the high-load operating environment. When the two cushion shoulders are produced as the body of the gasket, injection molding demolding is easier. The height of the two cushion shoulders is increased from eleven millimeters to seventeen millimeters, and the width is increased from five millimeters to ten millimeters, thereby strengthening the strength of the two cushion shoulders, preventing damage and sliding, preventing the rail sleeper from being pressed, prolonging the service life of the rail sleeper, and the material is a thermoplastic material that can be recycled and reused, which is helpful to environmental protection. Thus, it can meet the use of heavy-load lines with large loads and large axle loads, prevent the gasket from being damaged or sliding out during use, cause the steel rail and the cement rail sleeper to harden and harden, cause damage, and affect the safety of train operation.

[0021] 2. In the application, when the gasket is used, two cylinders are inserted into the interiors of two round holes, the two cushion shoulders have elasticity, and the two cylinders are clamped by being extruded. When the body of the gasket is subjected to external pressure, the force is transmitted to the top of the two cylinders. A plurality of cylinders can respectively slide on the outer surfaces of the two horizontal rods, and a plurality of transmission rods can rotate about a plurality of first connecting shafts or a plurality of second connecting shafts as axes. Thus, when the two cylinders are subjected to pressure, the plurality of transmission rods are respectively pushed downward, so that the plurality of transmission rods push the plurality of cylinders. At this time, the plurality of cylinders extrude the plurality of springs. When the plurality of springs are extruded, a reverse force is generated. The reverse force can reduce a part of the force that the body of the gasket is subjected to, thereby reducing a part of the force that the body of the gasket is subjected to when the body of the gasket is subjected to pressure, and improving the pressure resistance of the body of the gasket. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A front view of a high-strength high-modulus polyester elastomer cushion plate structure for a track is provided.

[0023] Figure 2 A bottom view of a high-strength high-modulus polyester elastomer cushion plate structure for a track is provided.

[0024] Figure 3 A cross-sectional view of a support frame in a high-strength high-modulus polyester elastomer cushion plate structure for a track is provided.

[0025] Figure 4 A perspective view of a high-strength high-modulus polyester elastomer cushion plate structure for a track is provided.

[0026] Figure 5 For the present application Figure 3 enlarged view of A in the present application.

[0027] Figure 6 For the present application, a schematic diagram of a high-strength high-modulus polyester elastomer pad structure for a track is provided.

[0028] Legend: 1, pad body; 2, pad shoulder; 201, slide rail; 202, round hole; 203, waterproof paint; 204, reinforcing core; 3, support frame; 301, crossbar; 302, cylinder; 303, spring; 304, notch; 305, first connecting shaft; 306, transmission rod; 307, second connecting shaft; 308, tab; 309, cylinder. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described below in conjunction with the drawings and examples. It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict.

[0030] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be practiced in other ways different from those described herein, therefore, the present application is not limited to the specific examples disclosed in the following description.

[0031] Example 1, as Figures 1 to 6 shown, the present application provides a high-strength high-modulus polyester elastomer pad structure for a track, which comprises:

[0032] a pad body 1 and two support frames 3;

[0033] two pad shoulders 2, fixedly arranged on one side of the pad body 1, and a round hole 202 is formed at the center of one side of each of the two pad shoulders 2, the pad body 1 is made of polyester elastomer material, which has higher strength, modulus and comprehensive performance than rubber material, the two pad shoulders 2 are easier to be injection molded and demolded during production of the pad body 1, the height of the two pad shoulders 2 is increased from eleven millimeters to seventeen millimeters, and the width is increased from five millimeters to ten millimeters, so as to strengthen the strength of the two pad shoulders 2 and prevent damage and sliding;

[0034] two slide rails 201, respectively arranged on one side of the two pad shoulders 2, the two slide rails 201 reduce the shear of the pad body 1 sliding on the cement sleeper;

[0035] a reinforcing core 204 arranged at the inner wall of the pad body 1, the reinforcing core 204 is made of glass mat, which has high strength, light weight and durability by being injected into the interior of the pad body 1, thereby improving the strength of the pad body 1;

[0036] Two cylinders 309 are respectively embedded in the inner walls of the two round holes 202, and the outer surfaces of the two cylinders 309 are fixedly provided with two protruding plates 308. By inserting the two cylinders 309 into the interiors of the two round holes 202, the two shoulder pads 2 have elasticity and can press and clamp the two cylinders 309.

[0037] As shown in Figures 1 to 6 , the two sides of the gasket body 1 are coated with waterproof paint 203, and the two waterproof paints 203 are made of polyurethane paint, which has good elasticity and water resistance.

[0038] As shown in Figures 1 to 6 , the two sides of the inner walls of the two support frames 3 are fixedly provided with two horizontal rods 301, and the outer surfaces of the two horizontal rods 301 are movably sleeved with two cylinders 302. The plurality of cylinders 302 can slide on the outer surfaces of the two horizontal rods 301 respectively.

[0039] As shown in Figures 1 to 6 , one side of each of the plurality of cylinders 302 is fixedly provided with a spring 303. When the plurality of springs 303 are squeezed, they will generate a reverse force, which will reduce a part of the force received by the gasket body 1.

[0040] As shown in Figures 1 to 6 , the outer surfaces of the plurality of cylinders 302 are provided with notches 304, and the inner walls of the plurality of notches 304 are fixedly provided with first connecting shafts 305.

[0041] As shown in Figures 1 to 6 , the outer surfaces of the plurality of first connecting shafts 305 are movably sleeved with transmission rods 306, and one side of each of the plurality of transmission rods 306 is movably embedded with a second connecting shaft 307. The plurality of transmission rods 306 can rotate around the plurality of first connecting shafts 305 or the plurality of second connecting shafts 307 respectively.

[0042] As shown in Figures 1 to 6 , the plurality of second connecting shafts 307 are respectively fixedly provided at the inner walls of the plurality of protruding plates 308.

[0043] As shown in Figures 1 to 6 , the plurality of springs 303 are movably sleeved on the outer surfaces of the two horizontal rods 301 respectively, and the plurality of springs 303 can slide on the outer surfaces of the two horizontal rods 301 respectively.

[0044] Working principle: when using the cushion plate structure, the material is selected from polyester elastomer material, the strength, modulus and comprehensive performance are higher than those of rubber material, the high load operation environment is met, when the two pads 2 are produced, the injection molding demolding is easier, the height of the two pads 2 is increased from eleven millimeters to seventeen millimeters, the width is increased from five millimeters to ten millimeters, the strength of the two pads 2 is strengthened, the damage, sliding phenomenon is prevented, the rail sleeper is prevented from being pressed, the service life of the rail sleeper is prolonged, and the material is thermoplastic material, which can be recycled and reused, which is helpful to environmental protection, so that the use of heavy load line large load and large axle load can be met, the damage or sliding phenomenon of the cushion plate during use can be prevented, the hard collision between the steel rail and the cement sleeper is caused, the damage is caused, the driving safety is affected, when the cushion is used, the two cylinders 309 are inserted into the inside of the two round holes 202, the two pads 2 have elasticity, the two cylinders 309 are clamped by extrusion, when the cushion body 1 is subjected to external pressure, the force is transmitted to the top of the two cylinders 309, the plurality of cylinders 302 can slide on the outer surface of the two cross bars 301 respectively, and the plurality of transmission rods 306 can rotate around the plurality of first connecting shafts 305 or the plurality of second connecting shafts 307 respectively, so that when the two cylinders 309 are subjected to pressure, the plurality of transmission rods 306 are pushed downward respectively, so that the plurality of transmission rods 306 push the plurality of cylinders 302, at this time, the plurality of cylinders 302 extrude the plurality of springs 303, when the plurality of springs 303 are extruded, the reverse force is generated, which can reduce part of the force received by the cushion body 1, so that when the cushion body 1 is subjected to pressure, part of the force received by the cushion body 1 can be reduced, and the pressure resistance of the cushion body 1 is improved.

[0045] The above is only the preferred embodiment of the application, and is not limited to other forms of the application. Any person skilled in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the application, according to the technical essence of the application, still belongs to the protection scope of the technical scheme of the application.

Claims

1. A high-strength, high-modulus polyester elastomer pad structure for a rail, characterized by, The structure comprises: The gasket body (1) and two support frames (3); Two pad shoulders (2) are fixedly arranged on one side of the gasket body (1), and a circular hole (202) is formed in the center of one side of each of the two pad shoulders (2); Two slide rails (201) are respectively arranged on one side of the two pad shoulders (2); A reinforcing core (204) is arranged on the inner wall of the gasket body (1); Two cylinders (309) are respectively embedded in the inner walls of the two circular holes (202), and the outer surfaces of the two cylinders (309) are fixedly provided with two protruding plates (308).

2. A high-strength, high-modulus polyester elastomer pad structure for rails according to claim 1, characterized by: The two sides of the gasket body (1) are coated with waterproof paint (203).

3. A high-strength, high-modulus polyester elastomer pad structure for rails according to claim 1, characterized by: Two horizontal rods (301) are fixedly arranged on the inner walls of the two support frames (3), and the outer surfaces of the two horizontal rods (301) are movably sleeved with two cylinders (302).

4. A high-strength, high-modulus polyester elastomer pad structure for rails according to claim 3, characterized in that: The outer surfaces of the plurality of cylinders (302) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307).

5. A high-strength, high-modulus polyester elastomer pad structure for rails according to claim 3, characterized by: The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307).

6. A high-strength, high-modulus polyester elastomer pad structure for rails according to claim 5, characterized by: The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307).

7. A high-strength, high-modulus polyester elastomer pad structure for rails according to claim 6, characterized in that: The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307).

8. A high-strength, high-modulus polyester elastomer pad structure for rails according to claim 4, characterized by: The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307). The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307). The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307). The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307). The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307). The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307). The outer surfaces of the plurality of first connecting shafts (305) are movably sleeved with a plurality of transmission rods (306), and the outer surfaces of the plurality of transmission rods (306) are movably sleeved with a plurality of second connecting shafts (307). The outer surfaces of the plurality of first connecting shafts (305

Citation Information

Patent Citations

  • Track gasket

    CN220377016U