Sleeper supporting device for dealing with unsmooth ballasted high-speed rail beam
By installing sleeper support devices at the ends of ballasted high-speed railway beams, and utilizing the support body and elastic pad layer made of ballast and polyurethane composite materials, the problem of unevenness at the ends of high-speed railway beams has been solved, improving track smoothness and construction efficiency, and reducing construction difficulty and cost.
Patent Information
- Application Number
- CN202423242588.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing technologies are insufficient to effectively address the unevenness at the beam ends of ballasted tracks in high-speed railways, especially the unevenness caused by track bed flow in the beam joint area. Furthermore, existing maintenance methods are difficult to control in terms of construction quality, are costly, and have difficulties in track bed drainage.
A sleeper support device is adopted, including a support body and an elastic pad. The support body is fixed to the ground, and the track bed thickness is adjusted by the elastic pad. The support body is made of ballast and polyurethane composite material, and is equipped with drainage holes for water discharge. It is adaptable to different sleeper models and is produced in a modular manner.
It effectively blocks track bed flow caused by beam joint expansion and contraction, optimizes track bed thickness and elasticity, ensures track smoothness, reduces construction costs, improves construction efficiency, and prevents track bed water accumulation and frost heave.
Smart Images
Figure CN223660519U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ballast track technical field, concretely relates to a track support device for coping with the unevenness of ballast high speed railway beam end. BACKGROUND
[0002] In the high speed railway ballast track, the unevenness of the line caused by the periodic expansion and contraction of the beam end is a common structural disease, which directly affects the safety of railway operation and needs to be detected and maintained regularly. The existing maintenance method mainly relies on mechanical tamping, but it is difficult to effectively solve the unevenness problem caused by the flow of the track bed in the beam joint area. In recent years, polyurethane solidified track bed technology has been gradually applied to track maintenance, but its site pouring process is greatly affected by the external environment, the construction investment is large, the construction quality is difficult to control, the track bed drainage problem is difficult to solve, and it is difficult to completely meet the complex mechanical performance requirements of the beam end area. SUMMARY
[0003] Technical purpose: in view of the deficiencies existing in the butt joint part of the existing ballast track beam end, the utility model discloses a track support device for coping with the unevenness of ballast high speed railway beam end.
[0004] Technical scheme: in order to realize the above technical purpose, the utility model adopts the following technical scheme:
[0005] A track support device for coping with the unevenness of ballast high speed railway beam end, the support device is arranged at the butt joint of the ballast high speed railway beam, and the beam end track support is supported, the support device comprises a support main body and an elastic pad layer arranged between the support main body and the beam end track support, the support main body is fixed with the ground, and the overall thickness of the track bed is adjusted through the elastic pad layer.
[0006] Preferably, the support main body of the utility model is integrally poured and prefabricated by ballast and polyurethane composite material.
[0007] Preferably, the track support groove of the support main body of the utility model is matched with the model of the corresponding beam end track support.
[0008] Preferably, the support main body and the elastic pad layer of the utility model are provided with a water discharge hole for water accumulation discharge.
[0009] Preferably, the water discharge hole is inclined and arranged on the support main body, and the lower end of the water discharge hole faces the surface of the support main body close to the side where the butt joint of the ballast high speed railway beam is located.
[0010] Beneficial effects: the track support device for coping with the unevenness of ballast high speed railway beam end has the following beneficial effects:
[0011] 1. The utility model discloses a support device set at the butt joint of the beam end can effectively block the track bed flow caused by the expansion of the beam joint, optimize the thickness and elastic performance of the track bed, ensure the smoothness of the track, and reduce the overall construction cost of the track bed.
[0012] 2. The utility model discloses the sleeper groove type of support main part can be prefabricated according to the type of the beam end sleeper, which meets the support needs of different types of sleepers, can be modularly designed and produced in factory, ensures the forming quality, and improves the construction efficiency on site.
[0013] 3. The utility model discloses the water drain hole set on the elastic cushion layer and support main part can discharge the accumulated water in time and prevent the track bed from slurry. ACCURACY OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description.
[0015] Figure 1 It is the overall structure diagram of the support device of the utility model,
[0016] Among them, 1-beam end sleeper, 2-support main part, 3-elastic cushion layer, 4-water drain hole. DETAILED DESCRIPTION
[0017] Reference will now be made in detail to embodiments of the present disclosure, one or more examples of which are set forth herein below. Each example and embodiment is provided by way of explanation of the present disclosure, not limitation. Contrarily, the following description provides a convenient illustration for implementing exemplary embodiments of the present disclosure. In fact, those skilled in the art will clearly understand that various modifications and variations can be made in the teaching of the present disclosure without departing from the scope or spirit of the present disclosure.
[0018] As Figure 1 shown, the utility model discloses a sleeper support device for coping with the unevenness of the beam end of ballasted high-speed railway, which is set at the butt joint of the beam of ballasted high-speed railway, supports the beam end sleeper 1, and comprises a support main part 2 and an elastic cushion layer 3 set between the support main part 2 and the beam end sleeper 1. The support main part 2 is fixed to the ground, the overall thickness of the track bed is adjusted through the elastic cushion layer 3, and the thickness range of the elastic cushion layer 3 can be selected according to the height requirement of the track bed. In the embodiment of the utility model, the thickness range of the elastic cushion layer 3 is 5-50mm.
[0019] The support main body 2 is integrally cast and prefabricated by ballast and polyurethane composite material, has high supporting force and anti-flowing property, can fix the concrete sleeper and block the flow of the track bed, the prefabricated mode can process in batches and ensure the forming quality, and the assembly can be directly carried out on site, the construction efficiency is effectively improved, the sleeper groove of the support main body 2 is matched with the model of the corresponding beam end sleeper 1, for different specifications of sleeper models, the forming mold can be customized, the flexibility is high, and the adaptation of multiple groups of sleeper models is realized.
[0020] The water discharge hole 4 is arranged on the support main body 2 and the elastic cushion layer 3 and is used for discharging accumulated water; the water discharge hole 4 is arranged in an inclined penetrating mode on the support main body, the lower end of the water discharge hole 4 faces the surface of the support main body close to the side where the ballast high-speed railway beam butt joint is located, the accumulated water of the track bed can be discharged in a technical mode, and the accumulated water is prevented from being turned into mud.
[0021] By using the support device, the stable support of the beam end sleeper in a negative environment can be effectively ensured, the flow of the track bed caused by the expansion of the beam joint is reduced, the smoothness of the track at the butt joint is ensured, the prefabricated mode reduces the construction difficulty on site, and the construction efficiency of the track bed is improved.
Claims
1. A sleeper support device for coping with irregularities at the ends of a ballasted high-speed railway beam, characterized in that, The support device is arranged at a ballast high-speed railway beam butt joint, and supports an end beam sleeper (1); the support device comprises a support main body (2) and an elastic cushion layer (3) arranged between the support main body (2) and the end beam sleeper (1); the support main body (2) is fixed to the ground, and the overall thickness of a track bed is adjusted through the elastic cushion layer (3). The support main body (2) is integrally cast and prefabricated by ballast and polyurethane composite material. Drainage holes (4) for draining water are arranged on the support main body (2) and the elastic cushion layer (3). The drainage holes (4) are arranged in a slope penetrating manner on the support main body, and the lower end of the drainage holes (4) faces the surface of the support main body close to the side where the ballast high-speed railway beam butt joint is located.
2. The sleeper support device for coping with irregularities at the beam end of a ballasted high-speed railway according to claim 1, characterized in that, The sleeper groove of the support main body (2) is matched with the type of the corresponding end beam sleeper (1).