CN218893907U - Novel railway backing plate for urban construction - Google Patents

Abstract

The utility model discloses a novel railway pad for urban construction, which comprises a first rubber pad, wherein a first hot melt adhesive layer is arranged on the first rubber pad, a plastic pad layer is arranged on the first hot melt adhesive layer, a first heat-preserving layer is arranged on the plastic pad layer, a buffer layer is arranged on the first heat-preserving layer, a second heat-preserving layer is arranged on the buffer layer, a heat-insulating layer is arranged on the second heat-preserving layer, a noise-reducing layer is arranged on the heat-insulating layer, a second hot melt adhesive layer is arranged on the noise-reducing layer, a second rubber pad is arranged on the second hot melt adhesive layer, and a wear-resisting layer is arranged on the second rubber pad. The utility model has simple structure, the whole shock absorption performance is improved through the arrangement of the multi-layer rubber backing plate, the shock absorption performance is further enhanced through the arrangement of the middle buffer layer and the plastic backing plate layer, and meanwhile, the backing plate has cold resistance and heat resistance through the design of the two heat preservation layers and the heat insulation layer, and the noise reduction effect is improved through the arrangement of the noise reduction layer.

Description

Novel railway backing plate for urban construction

Technical Field

The utility model relates to the technical field of railway backing plates, in particular to a novel railway backing plate for urban construction.

Background

Along with the development of railway transportation industry, railway construction is rapidly developed, and wood sleepers are gradually replaced by cement sleepers for years, so that although a large amount of wood can be saved, an elastic sleeper base plate with certain strength, higher elongation and good shock absorption performance is required to be arranged between a rail and the sleepers for ensuring the railway transportation safety. The sleeper pad which is commonly used in the past uses natural rubber and synthetic rubber as raw materials, various fillers such as vulcanizing agents are added for assistance, and auxiliary additives are processed and molded through processing technologies such as mixing, vulcanizing and the like, so that the sleeper pad can basically meet the use requirements.

However, the rubber cushion plate on the sleeper used on the railway at present has a plurality of problems, and the more prominent problems are as follows: 1. because of poor abrasion resistance and low tensile resistance, the steel is easy to break due to surface damage after being deformed after being used for 1 to 2 years; 2. the buffering and damping performance is poor; 3. the noise is large, and the life of surrounding residents is influenced; 4. cannot cope with high temperature or cold weather and often requires maintenance.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a novel railway cushion plate for urban construction, which is simple in structure, the overall damping performance is improved through the arrangement of a plurality of layers of rubber cushion plates, the damping performance is further enhanced through the arrangement of a middle buffer layer and a plastic cushion plate layer, meanwhile, the cushion plate has cold resistance and heat resistance through the design of two heat preservation layers and a heat insulation layer, and the noise reduction effect is improved through the arrangement of a noise reduction layer.

In order to solve the technical problems, the utility model provides a novel railway pad for urban construction, which comprises a first rubber pad, wherein a first hot melt adhesive layer is arranged on the first rubber pad, a plastic pad layer is arranged on the first hot melt adhesive layer, a first heat-preserving layer is arranged on the plastic pad layer, a buffer layer is arranged on the first heat-preserving layer, a second heat-preserving layer is arranged on the buffer layer, a heat-insulating layer is arranged on the second heat-preserving layer, a noise-reducing layer is arranged on the heat-insulating layer, a second hot melt adhesive layer is arranged on the noise-reducing layer, a second rubber pad is arranged on the second hot melt adhesive layer, and a wear-resisting layer is arranged on the second rubber pad.

Further, a rubber tube is arranged in the buffer layer, and an energy-absorbing foam body is arranged in the rubber tube.

Further, polyurethane sealant is filled in the buffer layer.

Further, the noise reduction layer comprises sound absorption cotton, and a sound absorption plate is arranged at the bottom of the sound absorption cotton.

Further, a waterproof film is arranged on the outer side of the wear-resistant layer.

Further, the side surfaces of the first rubber backing plate and the second rubber backing plate are respectively provided with an anti-slip strip.

Further, a notch is formed in the bottom of the first rubber backing plate.

The utility model has the beneficial effects that: 1. the whole damping performance can be improved by utilizing the multi-layer rubber backing plate;

2. the arrangement of the plastic cushion plate further improves the whole tensile resistance and the buffering performance;

3. the buffer layer can perform secondary shock absorption on the undeviated force of the rubber backing plate, and the first hot melt adhesive layer and the second hot melt adhesive layer also have excellent rebound resilience and can absorb and buffer shock;

4. the two heat preservation layers and the heat insulation layer are designed to ensure that the base plate has cold resistance and heat resistance at the same time, the service life of the whole is prolonged, and the use effect of the whole in an extreme environment is ensured;

5. the noise reduction layer ensures that the noise of the part of the train is not too large when the train runs, and the life of surrounding residents is not affected.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a buffer layer structure according to the present utility model.

Fig. 3 is a schematic view of the structure of the noise reduction layer of the present utility model.

The reference numerals in the figures illustrate: 1. a first rubber backing plate; 2. a first hot melt adhesive layer; 3. a plastic mat layer; 4. a first heat-retaining layer; 5. a buffer layer; 51. a rubber tube; 52. an energy absorbing foam; 53. polyurethane sealant; 6. a second heat-insulating layer; 7. a thermal insulation layer; 8. a noise reduction layer; 81. sound absorbing cotton; 82. a sound absorbing panel; 9. a second hot melt adhesive layer; 10. a second rubber backing plate; 11. a wear-resistant layer; 12. an anti-slip strip; 13. notch.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 3, an embodiment of a novel railway pad for urban construction according to the present utility model includes a first rubber pad 1, a first hot melt adhesive layer 2 is disposed on the first rubber pad 1, a plastic pad layer 3 is disposed on the first hot melt adhesive layer 2, a first heat insulation layer 4 is disposed on the plastic pad layer 3, a buffer layer 5 is disposed on the first heat insulation layer 4, a second heat insulation layer 6 is disposed on the buffer layer 5, a heat insulation layer 7 is disposed on the second heat insulation layer 6, a noise reduction layer 8 is disposed on the heat insulation layer 7, a second hot melt adhesive layer 9 is disposed on the noise reduction layer 8, a second rubber pad 10 is disposed on the second hot melt adhesive layer 9, and a wear-resistant layer 11 is disposed on the second rubber pad 10.

When in use, the whole damping performance can be improved by utilizing the multi-layer rubber backing plate; the arrangement of the plastic cushion plate further improves the whole tensile resistance and the buffering performance; the buffer layer 5 can perform secondary buffer on the undeviated force of the rubber backing plate, and the first hot melt adhesive layer 2 and the second hot melt adhesive layer 9 also have excellent rebound resilience and can absorb and buffer shock; the design of the first heat preservation layer 4, the second heat preservation layer 6 and the heat insulation layer 7 enables the base plate to have cold resistance and heat resistance at the same time, the service life of the whole is prolonged, and the use effect of the whole in an extreme environment is ensured; the noise reduction layer 8 ensures that the noise of the part of the train during running is not too loud, and the life of surrounding residents is not affected.

The rubber tube 51 is arranged in the buffer layer 5, the energy-absorbing foam body 52 is arranged in the rubber tube 51, the polyurethane sealant 53 is filled in the buffer layer 5, the cushion plate body can be damped and buffered through the cooperation of the rubber tube 51 and the energy-absorbing foam body, in addition, the filled polyurethane sealant 53 not only enhances the integrity between the rubber tubes 51 and enhances the strength, but also has excellent rebound resilience, and can absorb and buffer.

The noise reduction layer 8 comprises sound absorption cotton 81, a sound absorption plate 82 is arranged at the bottom of the sound absorption cotton 81, and the sound absorption cotton 81 is matched with the sound absorption plate 82 to achieve the noise reduction effect.

The wear-resisting layer 11 outside is provided with the water proof membrane, prevents liquids such as rainwater from corroding the backing plate body and causing the damage.

The first rubber backing plate 1 and the second rubber backing plate 10 are both provided with the antislip strips 12 on the side surfaces, so that the phenomenon of slippage in the running process of a train is effectively prevented, and the crushing is caused.

The bottom of the first rubber backing plate 1 is provided with a notch 13, and the arrangement of the notch 13 can increase the elasticity and the resistance of the movement of the rubber backing plate.

The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.

Claims (7)

1. A novel railway backing plate for urban construction, its characterized in that, including first rubber backing plate, be provided with first hot melt adhesive layer on the first rubber backing plate, be provided with the plastic mat layer on the first hot melt adhesive layer, be provided with first heat preservation on the plastic mat layer, be provided with the buffer layer on the first heat preservation, be provided with the second heat preservation on the buffer layer, be provided with the insulating layer on the second heat preservation, be provided with the layer of making an uproar that falls on the insulating layer, be provided with the second hot melt adhesive layer on the layer of making an uproar that falls, be provided with the second rubber backing plate on the second hot melt adhesive layer, be provided with the wearing layer on the second rubber backing plate.

2. The new railway pad for urban construction according to claim 1, wherein the buffer layer is internally provided with a rubber tube, and the rubber tube is internally provided with an energy-absorbing foam body.

3. The new railway pad for urban construction according to claim 1, wherein the inside of the cushioning layer is filled with polyurethane sealant.

4. The new railway pad for urban construction according to claim 1, wherein the noise reduction layer comprises sound absorbing cotton, and the bottom of the sound absorbing cotton is provided with a sound absorbing plate.

5. The new railway pad for urban construction according to claim 1, wherein the outside of the wear-resistant layer is provided with a waterproof membrane.

6. The new railway pad for urban construction according to claim 1, wherein the first rubber pad and the second rubber pad are provided with anti-slip strips on the sides thereof.

7. The new railroad tie for urban construction of claim 1, wherein the first rubber tie base is provided with a notch at the bottom.

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