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Spiral bridge support

A technology of spiral and support, applied in bridges, bridge parts, bridge construction, etc., can solve the problems of uneven settlement, anti-seismic and anti-drop beams, etc., achieve good practical value and economic benefits, good anti-seismic anti-fall beams, production and installation convenient effect

Inactive Publication Date: 2013-09-18
CHINA RAILWAYS CORPORATION +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the present invention proposes a bridge spiral bearing, which aims to solve the safety problems of bridge uneven settlement and bridge anti-seismic anti-drop beams, anti-jump beams, etc.

Method used

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  • Spiral bridge support
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Embodiment Construction

[0037] The following further describes the technical content of the patent of the present invention, but does not limit the essential content of the patent of the present invention.

[0038] figure 1 The overall schematic diagram of the liftable spiral bearing of the bridge anti-fall beam; figure 2 for figure 1 Schematic diagram of the structure of the liftable helical support A in the middle; image 3 for figure 2 Schematic diagram of the detailed structure of the assembly of the liftable helical support components; Figure 4 for image 3 Schematic diagram of the overall structure of the middle and upper bearing plate and the screw-type bearing; Figure 5 for image 3 Schematic diagram of the structure of the middle nut type bearing; Image 6 for image 3 Schematic diagram of the bottom plane structure of the middle nut type bearing; Figure 7 for image 33D view and top plan view of the center column panel; Figure 8 for image 3 3D drawing of the middle and lo...

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Abstract

The invention discloses a spiral bridge support, which comprises an upper support board (1) and a lower support board (6); a nut support (2) is arranged at the lower part of the upper support board (1), a lower support board cylindrical surface groove base (5) is arranged on the lower support board (6); and the upper support board (1) is connected with the lower support board cylindrical surface groove base (5) through a tripping preventing board (7). According to the invention, the manufacture and the assembly are convenient, the structure has a high reliability degree, and the maintenance property is very flexible; under normal operation, the support can satisfy deformation such as temperature deformation and concrete shrinkage and creep of the bridge; after the differential settlement of the bridge, the support can be lifted to satisfy the ride comfort standard of the bridge surface through simple operation; under the action of earthquake, the support can limit longitudinal and transversal earthquake displacement of the bridge, and prevent beam falling and beam tripping; and the support can effectively solve the problem of bridge falling and track unevenness which is caused by uneven settlement of the pier.

Description

technical field [0001] The invention relates to an anti-falling beam bearing, in particular to an upliftable bearing for settlement and repair of an anti-seismic anti-falling beam for a high-speed railway bridge. Background technique [0002] In recent years, with the rapid development of my country's economic construction, the construction of high-speed railways has developed rapidly. However, for high-speed railways with a speed of more than 200km / h, the irregularity of the track causes the train vibration to be more serious than that of ordinary speed trains under the same conditions. Therefore, high-speed railway puts forward higher requirements for the smoothness of the track. However, due to the influence of natural disasters and the geological conditions of the subgrade, the existing high-speed railway bridge piers in service have experienced uneven settlement of different degrees, which seriously affects the driving comfort and even poses a potential safety hazard. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/04
Inventor 余志武毛建锋国巍蒋丽忠刘汉云彭妙培
Owner CHINA RAILWAYS CORPORATION
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