Bridge expansion joint installation of possessing multidirectional displacement capabilities

Abstract

A bridge expansion joint device with multidirectional shift ability is prepared as fixing the first end of over joint plate on the first beam, placing the second end on the second beam and enabling said plate to relatively move on said beam, setting bottom support board fixed on the first beam under the first end of said plate, connecting said plate with bottom support board by bolt, setting intermediate block with spherical surface at bottom between said plate and said board, setting planar sliding plate above intermediate block being set with spherical sliding plate at its bottom.

Description

technical field [0001] The invention relates to a bridge expansion joint device, in particular to a bridge expansion joint device with multidirectional displacement capability. Background technique [0002] In the existing bridge expansion joint devices, no matter it is a comb-type plate type or a welded type, a spanning plate is arranged on the bridge expansion joint, and one end of the spanning plate is fixed on the beam body on one side of the bridge joint, and the other One end is located on the beam body on the other side of the bridge expansion joint and can move relative to the beam body. However, in actual use, under the action of factors such as air temperature and wind force, the beam body will undergo horizontal rotation and twist deformation in the horizontal direction, so that the transverse relative translation will occur between the spanning plate and the beam body, while the traditional modulus and None of the comb-type telescopic devices can meet the needs ...

AI Technical Summary

Problems solved by technology

However, in actual use, under the action of factors such as air temperature and wind force, the beam body will undergo horizontal rotation and twist deformation in the horizontal direction, so that the transverse relative translation will occur between the spanning plate and the beam body, while the traditional modulus and None of the comb-type telescopic devices can meet the needs of this deformation, and the device will cause the vertical and horizontal support beams to be disjointed and fractured, while the comb teeth of the comb-type telescopic device are in rigid contact. In this process, under the action of such lateral deformation and vehicle rolling, the comb teeth are prone to breakage, resulting in damage to the entire expansion joint device

[0003] On the other hand, under the action of vehicle load and air temperature, the vertical corner displacement of the joint plate will also occur, which will seriously damage the entire expansion joint device. For example, for the comb plate type, it is easy to cause the comb teeth to break , while for the modulus type, there will be problems such as support fracture

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