Anti-freezing shock pad for track

Abstract

The utility model discloses a track anti-freezing shock pad which comprises a rubber shock pad body, and a protection assembly is arranged on the outer side of the rubber shock pad body. The protection assembly comprises four sliding sleeves symmetrically vulcanized in the rubber shock pad at equal intervals, four sliding rods slidably connected to the interiors of the corresponding sliding sleeves, an upper shell covering the top of the rubber shock pad, a sliding groove formed in the upper shell and a lower shell slidably connected to the interior of the sliding groove. The tops of the four sliding rods are fixedly connected with the top of the inner wall of the upper shell, and the bottom of the lower shell is flush with the bottom of the rubber damping pad. Through the structure, the upper shell and the lower shell which cover the outer side of the rubber shock pad can form a closed structure to provide additional protection for the rubber shock pad, meanwhile, the closed space can effectively isolate a low-temperature environment, and the influence of freezing on the rubber shock pad is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation facilities, in particular to a rail antifreeze shock-absorbing pad. Background Art

[0002] Track shock-absorbing pads are widely used in rail transit, railways and other fields. In rail transit, the wheels and tracks will inevitably generate a large amount of impact energy and emit huge noise during high-speed contact. The shock-absorbing pads installed under the tracks can be used to reduce the vibration and noise generated when the train is running. However, the current rail transit shock-absorbing pads are easily affected by freezing in low temperature environments, resulting in a decrease in shock absorption effect or even failure. Therefore, those skilled in the art provide a track antifreeze shock-absorbing pad to solve the problems raised in the above background technology. Utility Model Content

[0003] The utility model aims to provide a rail antifreeze shock-absorbing pad, which can form a closed structure by an upper shell and a lower shell covered on the outside of the rubber shock-absorbing pad to provide additional protection for the rubber shock-absorbing pad. At the same time, the closed space can effectively isolate the low-temperature environment and reduce the impact of freezing on the rubber shock-absorbing pad.

[0004] In order to achieve the above object, a rail antifreeze shock-absorbing pad is provided, comprising a rubber shock-absorbing pad, wherein a protective component is provided on the outer side of the rubber shock-absorbing pad;

[0005] The protection component includes four sliding sleeves equidistantly and symmetrically vulcanized inside the rubber shock-absorbing pad, four sliding rods slidably connected to the corresponding sliding sleeves, an upper shell body covered on the top of the rubber shock-absorbing pad, a sliding groove opened inside the upper shell body and a lower shell body slidably connected to the sliding groove, the tops of the four sliding rods are fixedly connected to the top of the inner wall of the upper shell body, and the bottom of the lower shell body is flush with the bottom of the rubber shock-absorbing pad.

[0006] According to the rail antifreeze shock-absorbing pad, a heat-insulating layer is provided on the inner wall of the upper shell, on the inner wall of the lower shell and on the bottom of the rubber shock-absorbing pad.

[0007] According to the rail antifreeze shock-absorbing pad, a sealing ring is fixedly connected to the bottom of the lower shell.

[0008] According to the rail antifreeze shock-absorbing pad, a plurality of first grooves are equidistantly formed at the bottom of the rubber shock-absorbing pad, and a plurality of second grooves are equidistantly formed at the top of the upper shell.

[0009] According to the track antifreeze shock-absorbing pad, the thermal insulation layer is made of polystyrene.

[0010] According to the rail antifreeze shock-absorbing pad, the sealing ring is made of fluororubber.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, the rail antifreeze shock-absorbing pad can provide additional protection for the rubber shock-absorbing pad by forming a closed structure with an upper shell and a lower shell covered on the outside of the rubber shock-absorbing pad. At the same time, the closed space can effectively isolate the low-temperature environment and reduce the impact of freezing on the rubber shock-absorbing pad.

[0013] 2. Compared with the prior art, this rail antifreeze shock-absorbing pad uses an insulation coating on the inner walls of the upper shell, the lower shell and the bottom of the rubber shock-absorbing pad, which can effectively reduce the impact of external low temperature on the interior of the upper shell and the lower shell, which is beneficial to the insulation of the internal rubber shock-absorbing pad and prevents ice and freezing in cold environments.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the first overall structure of a track antifreeze shock-absorbing pad of the utility model;

[0017] Figure 2 This is a second overall structural schematic diagram of a track antifreeze shock-absorbing pad of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of a track antifreeze shock-absorbing pad of the utility model;

[0019] Figure 4 This is a structural schematic diagram of a second groove, an upper shell and a slide groove of a track antifreeze shock-absorbing pad of the utility model;

[0020] Figure 5 The utility model is a structural schematic diagram of a rubber shock-absorbing pad, a sliding sleeve and a first groove of a track antifreeze shock-absorbing pad.

[0021] Legend:

[0022] 1. Rubber shock-absorbing pad; 2. Protection component; 3. Sealing ring; 4. First groove; 5. Second groove; 21. Sliding sleeve; 22. Sliding rod; 23. Upper shell; 24. Lower shell; 25. Slide groove. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model embodiment provides a rail antifreeze shock-absorbing pad, which includes a rubber shock-absorbing pad 1, and a protective component 2 is provided on the outer side of the rubber shock-absorbing pad 1; the protective component 2 includes four sliding sleeves 21 equidistantly and symmetrically vulcanized inside the rubber shock-absorbing pad 1, four sliding rods 22 slidably connected to the corresponding sliding sleeves 21, an upper shell 23 covered on the top of the rubber shock-absorbing pad 1, a slide groove 25 opened in the upper shell 23 and a lower shell 24 slidably connected to the slide groove 25, the tops of the four sliding rods 22 are fixedly connected to the top of the inner wall of the upper shell 23, and the bottom of the lower shell 24 is flush with the bottom of the rubber shock-absorbing pad 1. Specifically, the upper shell 23 and the lower shell 24 covered on the outer side of the rubber shock-absorbing pad 1 can form a closed structure to provide additional protection for the rubber shock-absorbing pad 1. At the same time, the closed space can effectively isolate the low-temperature environment and reduce the impact of freezing on the rubber shock-absorbing pad 1. At the same time, the lower shell 24 maintains a sliding connection with the upper shell 23, and the upper shell 23 is connected with the sliding sleeve 21 through the sliding rod 22, thereby ensuring the buffering and shock absorbing effect of the rubber shock absorbing pad 1.

[0025] An insulation layer is provided on the inner wall of the upper shell 23, the inner wall of the lower shell 24 and the bottom of the rubber shock-absorbing pad 1. Specifically, the inner walls of the upper shell 23, the lower shell 24 and the bottom of the rubber shock-absorbing pad 1 are coated with an insulation coating, which can effectively reduce the impact of external low temperature on the interior of the upper shell 23 and the lower shell 24, which is beneficial to the insulation of the internal rubber shock-absorbing pad 1 and prevents freezing in a cold environment. The insulation layer is made of polystyrene, which has good thermal insulation properties and can effectively reduce heat transfer.

[0026] A sealing ring 3 is fixedly connected to the bottom of the lower shell 24. Specifically, the sealing ring 3 can seal the joint between the lower shell 24 and the mounting surface to prevent water vapor or rainwater from penetrating into the bottom of the rubber shock-absorbing pad 1. The sealing ring 3 is made of fluororubber. The sealing ring 3 made of fluororubber has excellent low-temperature resistance and corrosion resistance, can withstand the erosion of various chemical media, has good elastic recovery, and is not easy to age.

[0027] A plurality of first grooves 4 are equidistantly provided at the bottom of the rubber shock-absorbing pad 1, and a plurality of second grooves 5 are equidistantly provided at the top of the upper shell 23. The first grooves 4 can promote the rapid discharge of moisture from the surface of the upper shell 23, and help prevent moisture from accumulating on the surface of the upper shell 23 in a humid or rainy environment. The second grooves 5 can increase the surface area of ​​the bottom of the rubber shock-absorbing pad 1, thereby enhancing the contact surface with the mounting surface and improving stability and load-bearing capacity.

[0028] Working principle: The upper shell 23 and the lower shell 24 arranged outside the rubber shock-absorbing pad 1 can form a closed structure to provide additional protection for the rubber shock-absorbing pad 1. At the same time, the closed space can effectively isolate the low-temperature environment and reduce the impact of freezing on the rubber shock-absorbing pad 1. At the same time, the lower shell 24 maintains a sliding connection with the upper shell 23, and the upper shell 23 is connected to the sliding sleeve 21 through the sliding rod 22, which ensures the buffering and shock-absorbing effect of the rubber shock-absorbing pad 1.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A rail antifreeze shock-absorbing pad, comprising a rubber shock-absorbing pad (1), characterized in that: A protective component (2) is provided on the outer side of the rubber shock-absorbing pad (1); The protection component (2) comprises four sliding sleeves (21) vulcanized symmetrically and equidistantly inside the rubber shock-absorbing pad (1), four sliding rods (22) slidably connected to the inside of the corresponding sliding sleeves (21), an upper shell (23) covered on the top of the rubber shock-absorbing pad (1), a sliding groove (25) opened in the upper shell (23) and a lower shell (24) slidably connected to the inside of the sliding groove (25), the tops of the four sliding rods (22) are fixedly connected to the top of the inner wall of the upper shell (23), and the bottom of the lower shell (24) is flush with the bottom of the rubber shock-absorbing pad (1).

2. A rail antifreeze shock-absorbing pad according to claim 1, characterized in that: A heat-insulating layer is provided on the inner wall of the upper shell (23), on the inner wall of the lower shell (24) and on the bottom of the rubber shock-absorbing pad (1).

3. A rail antifreeze shock-absorbing pad according to claim 2, characterized in that: A sealing ring (3) is fixedly connected to the bottom of the lower shell (24).

4. The track antifreeze shock-absorbing pad according to claim 3, characterized in that: The bottom of the rubber shock-absorbing pad (1) is provided with a plurality of first grooves (4) at equal intervals, and the top of the upper shell (23) is provided with a plurality of second grooves (5) at equal intervals.

5. The track antifreeze shock-absorbing pad according to claim 4, characterized in that: The thermal insulation layer is made of polystyrene.

6. The track antifreeze shock-absorbing pad according to claim 5, characterized in that: The sealing ring (3) is made of fluororubber.

Images