CN-224227566-U - Prefabricated integral ballast bed for level crossing

CN224227566UCN 224227566 UCN224227566 UCN 224227566UCN-224227566-U

Abstract

The utility model relates to a prefabricated integral ballast bed for a level crossing. The track bed construction period of the existing level crossing is long, the concrete pavement slab is easy to crack, the steel bars are exposed and even broken under the condition that vehicles are frequently crushed, displacement or movement is easy to occur, and the track bed of the existing level crossing is inconvenient to replace damaged parts and is difficult to maintain. The track bed is formed by splicing more than one precast concrete track bed board, rubber embedded strips are arranged on two sides of the track bed, the rubber embedded strips are fixed on the track bed board through rubber elastic strips, a detachable rubber backing plate is arranged between the rubber embedded strips and the fasteners, a plurality of protection angle steels are arranged at edges of the top of the fastener groove and on two sides of the track bed board, and a rubber cushion layer is arranged below the protection angle steels. The utility model can be quickly constructed, is not easy to damage, and is easy to maintain.

Inventors

Xie xinfu
HOU LEI
CHANG QING
Yang zhuxi
Jia Cuncheng
YANG WANXIN
HUANG DENGQIANG
WEI XIAOWEN
ZHANG SHAOLONG
CAI HONGYAN
YANG PENGPENG

Assignees

兰州铁道设计院有限公司

Dates

Publication Date: 20260512
Application Date: 20250417

Claims (10)

1. A prefabricated integral ballast bed for a level crossing, two steel rails (2) and a plurality of fasteners (3) are arranged on the ballast bed, and the steel rails (2) and the fasteners (3) are all arranged in fastener grooves, and the prefabricated integral ballast bed is characterized in that: the track bed is formed by splicing more than one precast concrete track bed boards (1); Rubber embedded strips (4) are arranged on two sides of the steel rail (2), the rubber embedded strips (4) are fixed on the ballast bed plate (1) through rubber elastic strips (5), and a detachable rubber backing plate (6) is arranged between the rubber embedded strips (4) and the fasteners (3); The novel track bed plate is characterized in that a plurality of protection angle steels (7) are arranged at the edges and corners of the top of the fastener groove and on two sides of the track bed plate (1), and a rubber cushion layer (8) is arranged below the protection angle steels (7).
2. A prefabricated monolithic ballast bed for a level crossing according to claim 1, wherein: The protection angle steel (7) is fixed on the ballast bed plate (1) through a plurality of limit bolts (9) and distributed in a plurality of rows.
3. A prefabricated monolithic ballast bed for a level crossing according to claim 1, wherein: The track bed plate (1) is provided with a plurality of wedge-shaped grooves, the wedge-shaped grooves are positioned between adjacent protection angle steels (7), and caulking rubber strips (10) are arranged in the wedge-shaped grooves.
4. A prefabricated monolithic ballast bed for a level crossing according to claim 1, wherein: A metal antiskid plate (17) is arranged above the protection angle steel (7).
5. A prefabricated monolithic ballast bed for a level crossing according to claim 1, wherein: the rubber backing plate (6) is of a C-shaped hollow prefabricated structure, and the rubber backing plate (6) is fixed through interaction with the ballast bed plate (1), the steel rail (2) and the fastener (3) respectively.
6. A prefabricated monolithic ballast bed for a level crossing according to claim 1, wherein: A plurality of lifting holes (14) are symmetrically formed in two longitudinal sides of each ballast bed plate (1), and a pouring hole (15), a plurality of grouting holes (16) and a plurality of identification plates (23) are reserved in the middle of each ballast bed plate (1).
7. A prefabricated monolithic ballast bed for a level crossing according to claim 1, wherein: the bottom of the ballast bed plate (1) is provided with a limiting lug and a plurality of limiting reinforcing bars (11).
8. A prefabricated monolithic track bed for a level crossing according to claim 7, wherein: and a limit groove (12) matched with the limit lug is formed in the lower roadbed filler (22).
9. A prefabricated monolithic track bed for a level crossing according to claim 8, wherein: Geotechnical cloth (13) is arranged between the bottom of the ballast bed plate (1) and the lower roadbed filler (22).
10. A prefabricated monolithic ballast bed for a level crossing according to claim 1, wherein: the steel rail (2) is flush with the tops of the rubber embedded strips (4) at the two sides.

Description

Prefabricated integral ballast bed for level crossing Technical Field The utility model relates to the technical field of rail transit, in particular to a prefabricated integral ballast bed for a level crossing. Background The road crossing is a crossing point and a connecting point of a railway and a highway or a pavement, and the reasonable road crossing design can reduce the risk of traffic accidents and ensure the safety of railway and highway traffic. At present, common material types of the level crossing include cast-in-situ concrete road bed boards, rubber road crossings, asphalt pavement level crossing and steel plate pavement level crossing, but in the actual use process, the track bed construction period of the level crossing is long, the concrete pavement boards are easy to crack, expose and even break under the condition that vehicles frequently grind down, displacement or play is easy to occur due to light weight and unstable fixation, railway lines are impacted, driving safety is threatened, damaged parts are inconvenient to replace on the track bed of the level crossing at present, and maintenance is difficult. Thus, there is a need for a ballast bed for a level crossing that can be quickly constructed, is less prone to damage, and is easy to maintain. Disclosure of Invention The utility model aims to provide a prefabricated integral ballast bed for a level crossing, which at least solves the problems of long construction period, easy damage and difficult maintenance of the ballast bed of the current level crossing. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The prefabricated integral ballast bed for the level crossing is provided with two steel rails and a plurality of fasteners, wherein the steel rails and the fasteners are arranged in fastener grooves, and the ballast bed is formed by splicing more than one prefabricated concrete ballast bed plates; Rubber embedded strips are arranged on two sides of the steel rail, the rubber embedded strips are fixed on the road bed board through rubber elastic strips, and a detachable rubber backing plate is arranged between the rubber embedded strips and the fasteners; A plurality of protection angle steels are arranged at the edge angles at the top of the fastener groove and at the two sides of the ballast bed plate, and a rubber cushion layer is arranged below the protection angle steel. Furthermore, the protection angle steel is fixed on the road bed board through a plurality of limit bolts and distributed in a plurality of rows. Further, a plurality of wedge-shaped grooves are formed in the road bed plate, the wedge-shaped grooves are located between adjacent protection angle steel, and caulking rubber strips are arranged in the wedge-shaped grooves. Further, a metal antiskid plate is arranged above the protection angle steel. Further, the rubber backing plate is of a C-shaped hollow prefabricated structure, and the rubber backing plate is fixed through interaction with the road bed plate, the steel rail and the fastener respectively. Further, a plurality of lifting holes are symmetrically formed in two longitudinal sides of each ballast bed plate, and a pouring hole, a plurality of grouting holes and a plurality of identification plates are reserved in the middle of each ballast bed plate. Further, the bottom of the ballast bed plate is provided with a limiting lug and a plurality of limiting reinforcing bars. Further, a limit groove matched with the limit bump is formed in the lower roadbed filling material. Further, geotextile is arranged between the bottom of the roadbed board and the roadbed filling material at the lower part. Further, the steel rail is flush with the tops of the rubber bands on both sides. Compared with the prior art, the utility model has the following beneficial effects: 1. The utility model provides a prefabricated integral ballast bed for a level crossing, which can be used for prefabricating a road bed board in advance according to actual working conditions, so that the construction period can be saved, the influence on a road with larger commute capacity is reduced, the safety in the transportation process is ensured by lifting holes on the road bed board, convenience is provided for on-site installation and positioning, and the construction efficiency is remarkably improved. 2. The protection angle steel is arranged at the edge angle of the top of the fastener groove and the two sides of the ballast bed plate along the line trend, so that damage to the edge angle of the ballast bed plate caused by vehicle passing can be reduced, the rubber cushion layer is arranged below the protection angle steel, buffer is arranged between the protection angle steel and the ballast bed plate, rigid contact between the protection angle steel and the ballast bed plate is avoided, the protection angle steel is provided with the metal antiskid plate, the occurrence probability