Anti-arching railway platform expansion joint structure
By using a combination structure of fixing clips, expansion connectors, and expansion joint panels in the expansion joints of railway platforms, the problem of arching of the expansion joints under temperature changes is solved, achieving adaptive deformation and waterproofing of the structure, reducing maintenance costs and extending service life.
Patent Information
- Application Number
- CN202422924499.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Expansion joints on railway platforms are prone to arching when there are large temperature differences, which can cause granite to warp and break, increasing maintenance costs.
The structure adopts a combination of fixed clips, expansion joint connectors, and expansion joint panels to increase the expansion allowance. The expansion joint can adapt to deformation through the rotational connection of the fixed clips and expansion joint connectors, and combined with flexible waterproof cloth, it prevents water from entering.
It effectively prevents arching of railway platform expansion joints, reduces maintenance costs, extends service life, and simplifies the installation process.
Smart Images
Figure CN223686550U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a railway platform, in particular to a railway platform expansion joint structure of preventing arching. BACKGROUND
[0002] In the daily routine inspection process of high-speed railway station platform house equipment, the expansion joint is always a big risk of platform inspection, especially when the season changes and the temperature difference is large, the platform granite often arches and opens, affecting passenger boarding safety. Therefore, every year when the season changes and the temperature difference is large, workers need to apply for a sky window to process the granite arching and opening of the expansion joint, and the granite on both sides of the expansion joint is lifted, sometimes the granite is damaged, and then it is re-laid and processed, and the cost of each time is about 10,000 yuan; The part to be opened needs to be cleaned and the weather-resistant glue is re-punched, and the cost of each time is about 840 yuan. Therefore, it is urgent to develop an expansion joint structure to effectively prevent the arching phenomenon of the railway platform expansion joint, so as to reduce the maintenance cost. SUMMARY
[0003] The utility model aims at providing a railway platform expansion joint structure of preventing arching. The utility model has the characteristics that it can effectively prevent the arching phenomenon of the railway platform expansion joint.
[0004] The utility model discloses a railway platform expansion joint structure of preventing arching, which comprises an expansion joint between two platform structures and granite above each platform structure, a fixed clamping piece fixed to the granite, an expansion connecting piece located in the expansion joint between the two fixed clamping pieces, an expansion joint panel covering the expansion joint above the fixed clamping piece, a fixed shaft below the expansion joint panel, and a rotating connection between the fixed shaft and the expansion connecting piece.
[0005] In the foregoing railway platform expansion joint structure of preventing arching, the fixed clamping piece comprises an L-shaped fixed plate, the side surface of the L-shaped fixed plate is provided with an arc-shaped opening sliding groove, and the upper surface of the L-shaped fixed plate is provided with a fixed hole position.
[0006] In the foregoing railway platform expansion joint structure of preventing arching, the expansion connecting piece comprises a plate body in a parallelogram structure, the two protruding ends of the plate body are provided with spherical sliding heads matched with the arc-shaped opening sliding grooves, and the middle part of the plate body is provided with a central rotating hole matched with the fixed shaft.
[0007] In the foregoing railway platform expansion joint structure of preventing arching, the granite side close to the expansion joint is provided with a containing groove.
[0008] In the foregoing railway platform expansion joint structure of preventing arching, the upper surface of the expansion joint panel is provided with an anti-skid groove.
[0009] The lower part of the expansion joint is further provided with a flexible waterproof cloth.
[0010] Compared with the prior art, the maximum expansion allowance of the expansion joint structure can reach 5cm, the expansion allowance is greatly improved, and the arching phenomenon of the railway platform expansion joint can be effectively prevented, the structure has low cost, is easy to install, has simple structure, can effectively improve efficiency, has long service life, is also favorable for reducing maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is a structural schematic view of the utility model;
[0012] Figure 2 is Figure 1 a partial enlarged view of
[0013] Figure 3 is a structural view of the expansion connecting piece.
[0014] The marks in the drawings are: 1-platform structure, 2-expansion joint, 3-granite, 4-fixed clamping piece, 5-expansion connecting piece, 6-expansion joint panel, 7-fixed shaft, 401-L-shaped fixed plate, 402-arc-shaped opening sliding groove, 501-plate body, 502-spherical sliding head, 503-central rotating hole, 8-receiving groove, 9-flexible waterproof cloth. DETAILED DESCRIPTION
[0015] The utility model will be further described below in combination with the drawings and examples, but not as the basis for limiting the utility model.
[0016] Example. The railway platform expansion joint structure for preventing arching, constitutes as shown in Figures 1-3 The utility model discloses a railway platform expansion joint structure for preventing arching, which comprises an expansion joint 2 between two platform structures 1 and a granite 3 above each platform structure 1, characterized in that: fixed clamping pieces 4 are fixed to the granite 3, expansion connecting pieces 5 are arranged between the two fixed clamping pieces 4 in the expansion joint 2, expansion joint panels 6 are further arranged above the fixed clamping pieces 4 to cover the expansion joint 2, fixed shafts 7 are arranged below the expansion joint panels 6, and the fixed shafts 7 are rotationally connected with the expansion connecting pieces 5.
[0017] The fixed clamping piece 4 comprises an L-shaped fixed plate 401, the side surface of the L-shaped fixed plate 401 is provided with an arc-shaped opening sliding groove 402, and the upper surface of the L-shaped fixed plate 401 is provided with a fixed hole position.
[0018] The telescopic connector 5 comprises a parallelogram plate body 501, both protruding ends of the plate body 501 are provided with spherical sliding heads 502 matched with the arc-shaped opening sliding groove 402, and the middle part of the plate body 501 is provided with a central rotating hole 503 matched with the fixed shaft 7.
[0019] The granite 3 near the expansion joint 2 side is provided with a receiving groove 8.
[0020] The upper surface of the expansion joint panel 6 is provided with an anti-skid groove.
[0021] The lower part of the expansion joint 2 is further provided with a flexible waterproof cloth 9.
[0022] The lower surface of the expansion joint panel is provided with a threaded hole, the upper end of the fixed shaft is provided with a threaded column, the threaded column is fixed in the threaded hole, and the lower end of the fixed shaft extends into the central rotating hole.
[0023] The telescopic connector is of a parallelogram structure, both protruding ends are spherical sliding heads for sliding expansion, the middle part is drilled for placing a bolt for fixing.
[0024] Considering the sanitation and the water on the platform in rainy days, which will be slippery, the anti-skid groove is pressed on the expansion joint panel.
[0025] A 2mm deep groove (i.e. the receiving groove) is ground on the granite near the expansion joint, which is matched with the expansion joint panel, so that there is no gap and deformation or warping is not easy to occur.
[0026] A flexible waterproof cloth is first made at the lower part of the expansion joint to catch all the falling water and prevent the water from flowing in to affect the service life of the platform. Both ends of the flexible waterproof cloth are located on the lower surface of the upper side of the fixed clamping piece, and the fixed clamping piece is clamped and fixed during installation.
[0027] The installation process of the application is as follows: both ends of the flexible waterproof cloth are placed below the fixed clamping piece, the fixed clamping piece is fixed on the upper surface of the granite by a bolt, the flexible waterproof cloth is clamped, the two spherical sliding heads of the telescopic connector are placed in the arc-shaped opening sliding groove of the fixed clamping piece and slide expansion, the expansion joint cover plate is placed above the fixed clamping piece, the fixed shaft is matched with the central rotating hole, and the installation is completed. When the structure of two platforms changes due to the influence of the external environment, the expansion joint becomes smaller or larger, which will promote the telescopic connector to rotate around the fixed shaft, and the spherical sliding heads at both ends of the telescopic connector move along the arc-shaped opening sliding groove.
[0028] The present application is in economic benefits: before the rectification, every year when the season change, temperature difference is larger, all want to apply skylight, to the expansion joint place granite arch, pull open to handle, the expansion joint both sides granite has two, sometimes granite damage, re-lay processing, to 4 expansion joints calculation, each expansion joint cost about 0.25 million yuan (labor: 300 yuan / day * 6 work days = 1800 yuan, materials and accessories: 550 yuan per, garbage disposal: 150 yuan per), a total of 1 million yuan; The part to be cleaned up, re-punch weatherproof glue, each cost about 210 yuan (labor: 300 yuan / day * 0.5 work days = 150 yuan, weatherproof glue: 20 yuan / branch * 3 branches = 60 yuan), a total of 840 yuan; The technical scheme has been used for more than half a year, and no arching and pulling open occurs. Only the middle screw loosening occurs. The high-speed rail construction workers tighten the loose screw every time they inspect, and basically no cost is incurred, achieving the expected goal.
Claims
1. Anti-arching railway platform expansion joint structure, comprising an expansion joint (2) between two platform structures (1) and a granite (3) above each platform structure (1), characterized in that: The utility model relates to a kind of expansion joint coverings, including fixed to granite (3) fixed clamping piece (4), two fixed clamping piece (4) between being located in expansion joint (2) expansion connecting piece (5), fixed clamping piece (4) top is further equipped with expansion joint panel (6) covering expansion joint (2), expansion joint panel (6) below is equipped with fixed shaft (7), fixed shaft (7) and expansion connecting piece (5) between rotation connection.
2. The anti-suspending railway platform expansion joint structure according to claim 1, characterized in that: The fixed clamping piece (4) includes an L-shaped fixed plate (401), and the side surface of the L-shaped fixed plate (401) is provided with an arc-shaped open sliding groove (402).
3. The anti-arching railway platform expansion joint structure according to claim 2, wherein: The expansion connecting piece (5) includes a plate body (501) in the shape of a parallelogram, and the two protruding ends of the plate body (501) are provided with spherical sliding heads (502) matched with the arc-shaped open sliding groove (402).
4. The anti-suspending railway platform expansion joint structure according to claim 1, characterized in that: The granite (3) near the expansion joint (2) side is provided with a receiving groove (8).
5. The anti-suspending railway platform expansion joint structure according to claim 1, characterized in that: The upper surface of the expansion joint panel (6) is provided with an anti-skid groove.
6. The anti-suspending railway platform expansion joint structure according to claim 1, characterized in that: The lower part of the expansion joint (2) is further provided with a flexible waterproof cloth (9).