Rubber gasket for rail transit connecting piece

Abstract

The utility model relates to the technical field of rail transit equipment, in particular to a rubber gasket for a rail transit connecting piece, which comprises two gasket bodies, a thickness adjusting mechanism and two elastic mechanisms. According to the rubber gasket for the rail transit connecting piece, the elastic mechanisms are arranged in the two rectangular grooves, the rubber gasket for the rail transit connecting piece is not prone to falling off after being installed through the anti-skid lines, the tensile strength and the tearing strength of the gasket body are improved through the steel wire gauze, the steel wire gauze is not prone to being damaged in the using process, and the service life of the steel wire gauze is prolonged. The liner body made of polyurethane rubber is not prone to abrasion in use, so that the service life of the polyurethane rubber is prolonged, and the elastic cushion made of butadiene rubber and the elastic plates are used for improving the elasticity of the liner body. The elastic plates made of spring steel can keep good performance under repeated alternating stress, and therefore the elastic cushion and the liner body can be supported in an auxiliary mode through the elastic plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit equipment technical field, concretely is a rubber gasket for rail transit connecting piece. BACKGROUND

[0002] Steel rail elastic fastener is the most common connecting piece in rail transit, which is a fastening device part of steel rail with elastic fastening piece. It is used for fastening 60, 50 (kg / m) steel rail elastic strip I, II type fastener, which is composed of bolt spike, nut, flat washer, elastic strip, rail gauge baffle, baffle seat, rail under rubber pad, insulating buffer gasket, insulating anti-rust paint and sulfur anchor and other parts. Among them, the rail under rubber pad is an important part of the steel rail fastener system, which is generally made of rubber material and is usually installed between the steel rail and the concrete sleeper. Its main function is to combine the steel rail and the sleeper elastically, isolate the vibration and impact caused by the vehicle passing, and insulate the signal. The rubber pad is generally integrally formed, which is hard to use and has poor buffering effect. In actual construction, the distance from the bottom of the steel rail to the top of the sleeper may vary slightly due to construction errors, sleeper settlement and other factors. However, the thickness of the existing rubber pad is generally fixed. Therefore, the stability of some rubber gaskets after installation is poor, affecting the use. SUMMARY

[0003] The utility model aims at providing a rubber gasket for rail transit connecting piece to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A rubber gasket for rail transit connecting piece, comprising:

[0006] Two gasket bodies, the side of each of the two gasket bodies away from each other is provided with a groove, and a rectangular slot is formed on the gasket body;

[0007] A thickness adjusting mechanism is arranged between the two gasket bodies.

[0008] Two elastic mechanisms are arranged in the interior of the two rectangular slots respectively.

[0009] Further, the side of the gasket body is provided with anti-skid lines, and the material of the gasket body is polyurethane rubber.

[0010] Further, a steel wire mesh is embedded and fixed in the interior of the gasket body.

[0011] Further, the thickness adjusting mechanism comprises:

[0012] A plurality of connecting pads are arranged between the two gasket bodies, and the two gasket bodies are in contact with the corresponding connecting pads.

[0013] Four connecting plates are fixedly connected with the other sides of the two gasket bodies, and the four connecting plates are slidably connected with the corresponding connecting grooves.

[0014] A plurality of I-shaped plates are slidably connected with the inside of the corresponding connecting grooves.

[0015] Preferably, the width of the connecting pad is the same as that of the gasket body, and the length of the connecting pad is the same as that of the gasket body.

[0016] Further, the elastic mechanism comprises an elastic pad fixedly connected with the inside of the corresponding rectangular groove, a plurality of placing grooves are arranged in the middle of the elastic pad, and exhaust holes are arranged in the two inner side walls of the placing grooves.

[0017] Preferably, the material of the elastic pad is butadiene rubber, two elastic plates are fixedly connected with the inside of the plurality of placing grooves, and the two elastic plates are opposite to each other, and the material of the elastic plate is spring steel.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. The elastic mechanism is arranged in the inside of the two rectangular grooves, the anti-skid lines prevent the rail transit connecting piece rubber gasket from falling off after installation, the steel wire mesh improves the tensile strength and tear resistance of the gasket body, the steel wire mesh is not easy to be damaged during use, the polyurethane rubber gasket body is not easy to be worn during use, thereby prolonging the service life of the polyurethane rubber, the elastic pad made of butadiene rubber and the plurality of elastic plates improve the elasticity of the gasket body, the plurality of elastic plates made of spring steel can maintain good performance under repeated alternating stress, thereby the plurality of elastic plates can assist in supporting the elastic pad and the gasket body, and the buffering effect of the rail transit connecting piece rubber gasket during use is improved.

[0020] 2. The thickness adjusting mechanism is arranged between the two gasket bodies, the plurality of I-shaped plates can splice the plurality of connecting pads together, the four connecting plates are slidably connected with the corresponding connecting grooves, thereby the plurality of connecting pads can be fixed between the two gasket bodies, the number of the connecting pads is adjusted, the overall thickness of the rail transit connecting piece rubber gasket is adjusted, the thickness of the rail transit connecting piece rubber gasket is adjusted according to the gap between the sleeper and the rail, and the rail transit connecting piece rubber gasket can be applied to different use environments. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figures 1-2 is the overall structure schematic view of the utility model;

[0022] Figure 3 is the gasket body structure schematic view in the utility model;

[0023] Figure 4 is the thickness adjusting mechanism structure schematic view in the utility model;

[0024] Figure 5 is the elastic mechanism structure schematic view in the utility model.

[0025] In the figure: 100, gasket body;101, groove;102, anti-skid line;103, rectangular slot;110, steel wire net;200, thickness adjusting mechanism;210, connecting pad;211, connecting slot;220, connecting plate;230, I-shaped plate;300, elastic mechanism;310, elastic pad;311, placing slot;312, exhaust hole;320, elastic plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 In the embodiments of the utility model, a rubber gasket for rail transit connecting piece comprises two gasket bodies 100, a thickness adjusting mechanism 200 and two elastic mechanisms 300, the two gasket bodies 100 are provided with grooves 101 on the sides away from each other, and the gasket bodies 100 are provided with rectangular slots 103, the thickness adjusting mechanism 200 is arranged between the two gasket bodies 100, and the two elastic mechanisms 300 are arranged in the two rectangular slots 103 respectively.

[0028] Specifically, the two elastic mechanisms 300 improve the elasticity of the two gasket bodies 100, thereby improving the buffering effect of the rubber gasket for rail transit connecting piece in use, and the rubber gasket for rail transit connecting piece is not prone to deformation, the service life of the rubber gasket for rail transit connecting piece is improved, the overall thickness of the rubber gasket for rail transit connecting piece is adjusted by the thickness adjusting mechanism 200, so that the rubber gasket for rail transit connecting piece can be applied to different use environments, and the practicability of the rubber gasket for rail transit connecting piece is improved.

[0029] Embodiment one

[0030] As Figures 3-5 shown in the embodiment, the cushion body 100 is provided with anti-skid lines 102 on one side, the material of the cushion body 100 is polyurethane rubber, the elastic mechanism 300 comprises an elastic pad 310, the elastic pad 310 is fixedly bonded with the inside of the corresponding rectangular groove 103, a plurality of placement grooves 311 are arranged at the middle position of the elastic pad 310, and the two inner side walls of the placement grooves 311 are provided with exhaust holes 312, the material of the elastic pad 310 is butadiene rubber, two elastic plates 320 are fixedly connected in the inside of each of the plurality of placement grooves 311, and the two elastic plates 320 are opposite to each other, and the material of the elastic plate 320 is spring steel.

[0031] In the embodiment, the anti-skid lines 102 make the rail transit connecting piece rubber cushion not easy to fall off after installation, and the polyurethane rubber material cushion body 100 is not easy to wear during use, thereby prolonging the service life of the polyurethane rubber, and the elastic mechanism 300 is installed in the inside of the rectangular groove 103, the elastic pad 310 made of butadiene rubber and the plurality of elastic plates 320 improve the elasticity of the cushion body 100, and the plurality of elastic plates 320 made of spring steel can maintain good performance under repeated alternating stress, thereby the plurality of elastic plates 320 can assist in supporting the elastic pad 310 and the cushion body 100, thereby improving the buffering effect of the rail transit connecting piece rubber cushion during use.

[0032] As Figure 3 shown in the embodiment, the top of the cushion body 100 is embedded and fixed with a steel wire mesh 110.

[0033] In specific implementation, the steel wire mesh 110 improves the tensile strength and tear resistance of the cushion body 100, so that the steel wire mesh 110 is not easy to be damaged during use.

[0034] Embodiment Two

[0035] On the basis of embodiment one, in order to adjust the overall thickness of the rail transit connecting piece rubber cushion, so that the rail transit connecting piece rubber cushion can be suitable for different use environments.

[0036] As Figure 4As shown, in the embodiment, the thickness adjusting mechanism 200 comprises a plurality of connecting pads 210, four connecting plates 220 and a plurality of I-shaped plates 230, the plurality of connecting pads 210 are arranged between the two rubber pad bodies 100, the two rubber pad bodies 100 are in contact with the corresponding connecting pads 210 respectively, a plurality of connecting grooves 211 are arranged on both sides of the connecting pad 210, the four connecting plates 220 are fixedly connected with the other side of the two rubber pad bodies 100 respectively, the four connecting plates 220 are slidably connected with the inside of the corresponding connecting grooves 211 respectively, the plurality of I-shaped plates 230 are slidably connected with the inside of the corresponding connecting grooves 211 at the top and bottom respectively, the width of the connecting pad 210 is the same as the width of the rubber pad body 100, and the length of the connecting pad 210 is the same as the length of the rubber pad body 100.

[0037] In specific implementation, the plurality of connecting pads 210 can be spliced together by the plurality of I-shaped plates 230, and the plurality of connecting pads 210 are fixed between the two rubber pad bodies 100 by slidably connecting the four connecting plates 220 with the corresponding connecting grooves 211, so that the overall thickness of the rubber pad for rail transit connecting piece can be adjusted by adjusting the number of the connecting pads 210, the thickness of the rubber pad for rail transit connecting piece is adjusted according to the gap between the tie and the rail, so that the rubber pad for rail transit connecting piece can be applied to different use environments, and before the connecting plate 220 and the I-shaped plate 230 are connected with the connecting groove 211, the inside wall of the connecting groove 211 can be coated with polyurethane glue or silicone glue, so that the connecting plate 220 and the I-shaped plate 230 are connected with the corresponding connecting groove 211, and then the thickness adjusting mechanism 200 is more closely connected with the two rubber pad bodies 100.

[0038] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to which they belong.

[0039] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A rubber gasket for rail transport connections, characterized in that, The utility model relates to a kind of adjustable cushion, including: Two cushion bodies (100), recess (101) is set to the side of two described cushion bodies (100) in opposite directions, and rectangular slot (103) is set to cushion body (100); Thickness adjusting mechanism (200) is set between two described cushion bodies (100); Two elastic mechanisms (300) are respectively set in the inside of two described rectangular slot (103).

2. The rubber gasket for rail transit connectors according to claim 1, characterized in that, The side of the cushion body (100) is provided with anti-skid lines (102), and the material of the cushion body (100) is polyurethane rubber.

3. The rubber gasket for rail transit connectors according to claim 1, characterized in that, The steel wire mesh (110) is embedded and fixed in the inside of the cushion body (100).

4. The rubber gasket for rail transit connectors according to claim 1, characterized in that, The thickness adjusting mechanism (200) includes: A plurality of connecting pads (210) are set between two described cushion bodies (100), two described cushion bodies (100) are respectively in contact with corresponding connecting pad (210), a plurality of connecting grooves (211) are set to the two sides of the connecting pad (210); Four connecting plates (220) are respectively adhesively fixed with another side adjacent to two cushion bodies (100), four described connecting plates (220) are respectively slidably connected with the inside of corresponding connecting groove (211); A plurality of I-shaped plates (230) are slidably connected with the inside of corresponding connecting groove (211) at top and bottom respectively.

5. The rubber gasket for rail transit connectors according to claim 4, characterized in that, The width of the connecting pad (210) is the same as the width of the cushion body (100), and the length of the connecting pad (210) is the same as the length of the cushion body (100).

6. The rubber gasket for rail transit connectors according to claim 1, characterized in that, The elastic mechanism (300) includes elastic pad (310), the elastic pad (310) is adhesively fixed with the inside of corresponding rectangular slot (103), a plurality of placing grooves (311) are set to the middle position of the elastic pad (310), and exhaust holes (312) are set to the two inner side walls of the placing groove (311).

7. The rubber gasket for rail transportation joints according to claim 6, characterized in that, The material of the elastic pad (310) is butadiene rubber, two elastic plates (320) are fixed in a plurality of described placing grooves (311) inside, and two elastic plates (320) are opposite, and the material of the elastic plate (320) is spring steel.

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