CN219862135U

CN219862135U - Rubber shock pad for railway track

Info

Publication number: CN219862135U
Application number: CN202320039470.3U
Authority: CN
Inventors: 殷朝擎; 唐光灵; 任勇; 李兴平
Original assignee: Yangzhou Huatong Rubber Plastic Industry Corp
Current assignee: Yangzhou Huatong Rubber Plastic Industry Corp
Priority date: 2023-01-08
Filing date: 2023-01-08
Publication date: 2023-10-20
Anticipated expiration: 2033-01-08

Abstract

The utility model discloses a railway track rubber shock pad, which comprises: the sound insulation layer is fixedly connected to the upper side wall of the reinforcing layer, the first elastic layer is fixedly connected to the upper side wall of the sound insulation layer, the buffer layer is fixedly connected to the upper side wall of the first elastic layer, the second elastic layer is fixedly connected to the upper side wall of the buffer layer, and the supporting layer is fixedly connected to the upper side wall of the second elastic layer; the inside fixedly connected with tie layer of first elastic layer, the inside of tie layer evenly is provided with a plurality of elastomer. According to the utility model, the elastic body in the first elastic layer and the air cavity in the second elastic layer deform after the shock pad is stressed, so that the shock absorption effect of the shock pad is improved, the buffering effect of the shock pad is improved, the supporting strength of the bottom of the shock pad can be effectively improved by the reinforcing layer, the noise reduction effect of the shock pad can be effectively improved by the sound insulation layer and the vacuum tube in the sound insulation layer, and the applicability of the shock pad is improved.

Description

Rubber shock pad for railway track

Technical Field

The utility model relates to the technical field of rubber pads, in particular to a rubber shock pad for a railway track.

Background

The rubber pad for railway track is used between rail and concrete sleeper or underground and has the main functions of combining rail and sleeper elastically, isolating vibration and impact caused by vehicle and insulating signal. The rubber pad for railway track is placed under the sleeper for use, and needs to bear the acting force of train locomotive wheels, and the rubber pad is required to be improved from the aspects of material selection and structure along with continuous speed increasing of railway at present so as to adapt to high-speed running of vehicles, and the rubber pad needs to be used in the open air for a long time, so that the rubber pad is required to have excellent shearing resistance, good electrical insulation performance and shock absorption performance, and good cold resistance, moisture resistance and weather aging resistance.

At present, styrene-butadiene rubber or ethylene propylene diene monomer rubber is generally selected as a main material for producing a rubber backing plate, and is prepared by mixing and vulcanizing with auxiliaries such as a reinforcing agent (carbon black), a vulcanizing agent, an anti-aging agent and the like. Although the rubber backing plate has excellent heat resistance and weather aging resistance, the existing rubber backing plate has certain defects, mainly is made of rubber materials, has poor wear resistance and poor buffering performance, and is easy to damage caused by severe deformation.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provides a railway track rubber shock pad, wherein a first elastic layer, a buffer layer and a second elastic layer are arranged on the shock pad, and an elastomer in the first elastic layer and an air cavity in the second elastic layer deform after the shock pad is subjected to pressure, so that the shock absorption effect of the shock pad is improved, and the buffer effect of the shock pad is improved;

this shock pad has set up puigging and enhancement layer, and the enhancement layer can effectively improve the supporting strength of shock pad bottom, and the noise reduction effect of shock pad can effectively be improved to puigging and inside vacuum tube to improve the suitability of shock pad.

The utility model also provides a rubber shock pad with the railway track, which comprises the following components: the sound insulation layer is fixedly connected to the upper side wall of the reinforcing layer, the first elastic layer is fixedly connected to the upper side wall of the sound insulation layer, the buffer layer is fixedly connected to the upper side wall of the first elastic layer, the second elastic layer is fixedly connected to the upper side wall of the buffer layer, and the supporting layer is fixedly connected to the upper side wall of the second elastic layer;

the inside fixedly connected with tie layer of first elastic layer, the inside of tie layer evenly is provided with a plurality of elastomer, the inside of second elastic layer evenly is provided with a plurality of air cavities.

According to the railway track rubber shock pad, polyurethane materials are filled in the reinforcing layer, and the polyurethane materials are arranged into a three-dimensional honeycomb structure, so that the structural strength of the shock pad can be effectively improved.

According to the railway track rubber shock pad, the inside of puigging is filled with the puigging, the inside of puigging evenly is provided with the vacuum tube, the vacuum tube adopts high strength material to make, and the puigging combines with the vacuum tube can effectively improve the noise reduction effect of rubber pad.

According to the railway track rubber shock pad, the upper side wall of the elastic body is fixedly connected with the lower side wall of the buffer layer, the lower side wall of the elastic body is fixedly connected with the sound insulation layer, and the cross section of the elastic body is elliptical, so that the shock absorption effect of the shock pad can be effectively improved.

According to the railway track rubber shock pad, the buffer layer is made of elastic rubber materials and is used for buffering the shock pad.

According to the railway track rubber shock pad, the cross section of the air cavity is elliptical, the air cavity is connected with the adjacent air cavities through connecting pipes, so that gas in the air cavity is conveniently discharged, and the shock absorption effect of the shock pad is improved.

According to the railway track rubber shock pad, the upper side wall of the supporting layer is provided with the anti-skidding patterns, and the upper side wall of the supporting layer is coated with the waterproof coating, so that water can be effectively prevented from penetrating.

According to the railway track rubber shock pad, the supporting layer is made of polyester fiber materials, so that the wear-resisting effect of the shock pad is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a block diagram of a railway track rubber shock pad of the present utility model;

fig. 2 is a schematic cross-sectional view of a railway track rubber shock pad of the present utility model.

Legend description:

1. a reinforcing layer; 2. a sound insulation layer; 201. a vacuum tube; 3. a first elastic layer; 301. an elastomer; 302. a connection layer; 4. a buffer layer; 5. a second elastic layer; 501. an air cavity; 502. a connecting pipe; 6. and a support layer.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-2, the rubber shock pad for railway track according to the embodiment of the utility model comprises a reinforcing layer 1, wherein polyurethane material is filled in the reinforcing layer 1, and the polyurethane material is of a three-dimensional honeycomb structure, so that the structural strength of the shock pad can be effectively improved.

The upper side wall fixedly connected with puigging 2 of enhancement layer 1, the inside of puigging 2 is filled with the cotton that gives sound to, and the inside of cotton that gives sound to evenly is provided with vacuum tube 201, and vacuum tube 201 adopts high strength material to make, and the cotton that gives sound to combines with vacuum tube 201 can effectively improve the noise reduction effect of rubber pad.

The upper side wall fixedly connected with first elastic layer 3 of puigging 2, the upper side wall fixedly connected with buffer layer 4 of first elastic layer 3, buffer layer 4 adopts elastic rubber material to make, cushion, the upper side wall fixedly connected with second elastic layer 5 of buffer layer 4, the upper side wall fixedly connected with supporting layer 6 of second elastic layer 5, the upper side wall of supporting layer 6 is provided with the anti-skidding line, the upper side wall coating of supporting layer 6 has waterproof coating, can effectively prevent the infiltration of water, supporting layer 6 adopts polyester fiber material to make, improve the wear-resisting effect of shock pad.

The inside fixedly connected with tie layer 302 of first elastic layer 3, the inside of tie layer 302 evenly is provided with a plurality of elastomer 301, and the inside of puigging 2 is filled with the cotton that gives sound insulation, and the inside of cotton that gives sound insulation evenly is provided with vacuum tube 201, and vacuum tube 201 adopts high strength material to make, and the cotton that gives sound insulation combines with vacuum tube 201 can effectively improve the noise reduction effect of rubber pad.

The inside of second elastic layer 5 evenly is provided with a plurality of air cavities 501, and the cross section of air cavity 501 sets up to oval, connects through connecting pipe 502 between air cavity 501 and the adjacent air cavity, and the inside gaseous discharge of air cavity 501 of being convenient for improves the shock attenuation effect of shock pad.

Working principle: the elastomer 301 inside the first elastic layer 3 and the air cavity 501 inside the second elastic layer 5 deform after the shock pad is stressed, so that the shock absorption effect of the shock pad is improved, the buffering effect of the shock pad is improved, the supporting strength of the bottom of the shock pad can be effectively improved by the reinforcing layer 1, the noise reduction effect of the shock pad can be effectively improved by the sound insulation layer 2 and the vacuum tube 201 inside the sound insulation layer, and the applicability of the shock pad is improved.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A railway track rubber shock pad comprising: the sound insulation layer comprises a reinforcing layer (1), wherein the upper side wall of the reinforcing layer (1) is fixedly connected with a sound insulation layer (2), the upper side wall of the sound insulation layer (2) is fixedly connected with a first elastic layer (3), the upper side wall of the first elastic layer (3) is fixedly connected with a buffer layer (4), the upper side wall of the buffer layer (4) is fixedly connected with a second elastic layer (5), and the upper side wall of the second elastic layer (5) is fixedly connected with a supporting layer (6);

the inside fixedly connected with tie-layer (302) of first elastic layer (3), the inside of tie-layer (302) evenly is provided with a plurality of elastomer (301), the inside of second elastic layer (5) evenly is provided with a plurality of air chambers (501).

2. A railway track rubber shock pad according to claim 1, characterized in that the inside of the reinforcing layer (1) is filled with polyurethane material, which is provided in a three-dimensional honeycomb structure.

3. A railway track rubber shock pad according to claim 1, characterized in that the inside of the sound insulation layer (2) is filled with sound insulation cotton, the inside of the sound insulation cotton is uniformly provided with vacuum tubes (201), and the vacuum tubes (201) are made of high-strength materials.

4. The railway track rubber shock pad according to claim 1, wherein the upper side wall of the elastic body (301) is fixedly connected with the lower side wall of the buffer layer (4), the lower side wall of the elastic body (301) is fixedly connected with the sound insulation layer (2), and the cross section of the elastic body (301) is elliptical.

5. A railway track rubber shock pad according to claim 1, characterized in that the cushioning layer (4) is made of an elastic rubber material.

6. A railway track rubber shock pad according to claim 1, characterized in that the cross section of the air chamber (501) is arranged in an oval shape, and the air chamber (501) is connected with the adjacent air chamber through a connecting pipe (502).

7. A railway track rubber shock pad according to claim 1, characterized in that the upper side wall of the supporting layer (6) is provided with anti-slip patterns, and the upper side wall of the supporting layer (6) is coated with a waterproof coating.

8. A railway track rubber shock pad according to claim 1, characterized in that the supporting layer (6) is made of polyester fiber material.