A large bridge bearing grouting formwork

Abstract

The invention relates to a large-scale bridge support grouting formwork frame which is characterized by mainly comprising four formworks. A grouting die cavity is formed by connecting the four formworks in an enclosing and fastening mode. A rotary bridge support supporting mechanism is arranged on the upper surfaces of at least on pair of opposite formworks. The rotary bridge support supporting mechanism is provided with a rotary limiting device and a lifting adjusting mechanism. The bridge support supporting mechanism is adjustably installed on an upper installation plate. Fine adjustment bottom feet are arranged at the four corners of the formwork frame. By the adoption of the technical scheme, in the actual construction process, support axis and plane elevation adjustment can be achieved at a time, bridge support grouting procedure construction is smoothly carried out, repeated adjustment operations and working procedure interference are avoided, and working efficiency is improved; in addition, the large-scale bridge support grouting formwork frame further has the advantages of being high in circulation performance, convenient to assemble and disassemble, firm, reliable, easy and convenient to operate, high in construction control precision and the like.

Description

technical field [0001] The invention belongs to the technical field of bridge construction, in particular to a large-scale bridge support grouting formwork. Background technique [0002] The bridge bearing is an important structural component connecting the superstructure and substructure of the bridge. It can reliably transmit the reaction force and deformation (displacement and rotation angle) of the superstructure of the bridge to the substructure of the bridge. Due to the self-heavyness of large bridge supports and the limited operating space on the top of pier columns, the axis and plane elevation need to be adjusted repeatedly during the installation of the support, and multiple measurements and rechecks must be carried out. The operation is complicated and the construction is difficult. The support cannot be grouted and fixed immediately after leveling, and the subsequent installation of the grouting formwork may cause errors in the axis and plane elevation due to col...

AI Technical Summary

Problems solved by technology

Due to the self-heavyness of large-scale bridge supports and the limited operating space at the top of the pier columns, the leveling of the supports during installation requires repeated adjustment of the axis and plane elevation, and repeated measurement and review. The operation is complicated and the construction is difficult. The support cannot be grouted and fixed immediately after leveling, and the subsequent installation of the grouting formwork may cause errors in the axis and plane elevation due to collision with the support. Multiple fine-tuning is required to ensure the construction quality, which will affect the progress of the project

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