Bridge multi-dimensional deviation rectifying device

Abstract

The invention discloses a bridge multi-dimensional deviation rectifying device which comprises a translation system and a jacking system, wherein the translation system comprises a base, a shell, a swing anti-friction ring and a pushing jack; the swing anti-friction ring is arranged between the base and the shell, the shell can circumferentially rotate relative to the base, and a containing spaceis formed by the base and the shell; the jacking system is embedded in the containing space and is connected with the base in a sliding manner; the piston end of the pushing jack penetrates through the shell and stretches into the shell, and the jacking system slides relative to the base under the pushing effect of the pushing jack. The jacking system is embedded in the containing space of the translation system, the structure is compact, the boundary dimension of the deviation rectifying adjustment device under the same tonnage is smaller, and installation and construction under the narrow space are met.

Description

technical field [0001] The application belongs to the technical field of bridge deviation correction, and in particular relates to a bridge multi-dimensional deviation correction device, which can simultaneously adjust bridge deviation in both horizontal and vertical directions. Background technique [0002] As a passable overhead artificial passage, the bridge structure consists of a superstructure and a substructure. The superstructure includes the bridge body and deck; the substructure includes piers, abutments and foundations. The original purpose of building bridges is mainly to solve traffic across water or valleys, but with the advancement of modern bridge-building technology, the use and scale of bridges are becoming wider and wider. For example, viaducts are introduced in large and medium-sized cities to relieve traffic pressure. The span and style are also endless. [0003] However, in recent years, investigations have found the following problems: (1) Various pr...

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Problems solved by technology

[0003] However, in recent years, investigations have found the following problems: (1) Various problems have appeared in many existing bridges, such as bearing disease, structural protective layer falling off, bridge deck cracks, etc.; (2) the original bridges The design does not meet the existing planning or use functions, for example, there is a linear deviation in the connection between the original bridge and the new bridge in urban reconstruction, and the lack of clearance at the bottom of the bridge affects navigation and traffic

When the bridge is jacked up, it will largely cooperate with the slope adjustment, because the bridge will be at a certain slope angle, and the horizontal component force must be generated when the bridge is jacked up. Even if a series of limit measures have been taken in advance, the bridge cannot be completely avoided. sideways horizontal shift

[0005] In view of the deflection problem of the bridge structure after jacking up, the existing three-dimensional jacks used for bridge deflection correction can only adjust the displacement in the front, rear, left, and right directions in the horizontal direction, and realize the adjustment in two directions under the same tonnage. To install two push jacks, the overall size of the device is too large to meet the installation in a narrow space. At the same time, some bridges not only need to be adjusted in two horizontal directions, but also need to be rotated horizontally to adjust the working conditions. Ordinary three-dimensional The jack cannot meet the construction needs, and due to the relatively large area, the ordinary three-dimensional jack is not applicable when the lifting space is limited.

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