Integrated pushing steel structure bridge and construction method thereof: Fid-Bau Portal

Integrated pushing steel structure bridge and construction method thereof

KANG WEIZHI

The invention belongs to the technical field of bridge engineering, and particularly relates to an integrated pushing steel structure bridge and a construction method thereof. The integrated pushing steel structure bridge comprises a temporary pushing support, a pushing device is installed at the top end of the temporary pushing support, a continuous beam of a steel structure is arranged at the top end of the pushing device, and anti-throwing structures are connected to the two sides of the continuous beam; the anti-throwing structure comprises bases connected to the two sides of the continuous beam, a mounting cavity is formed in one end of each base, a motor is mounted in each mounting cavity, an anti-throwing net is wound at the top end of each motor through a rotating shaft, a rotating rod is rotationally connected to the other end of each base through a coil spring, and the other end of each anti-throwing net is wound on the side wall of the corresponding rotating rod. According to the invention, the anti-throwing net can be replaced conveniently and rapidly, the damaged anti-throwing net does not need to be disassembled and replaced in a time-consuming and labor-consuming mode, meanwhile, high falling objects generated in the replacement process of the anti-throwing net can be reduced, and interference of bridge construction on traffic is reduced.

本发明属于桥梁工程技术领域，具体涉及一种一体化顶推的钢结构桥梁及其施工方法，包括临时顶推支架，所述临时顶推支架顶端安装有顶推装置，所述顶推装置顶端设有钢结构的连续梁，所述连续梁两侧连接有防抛结构；所述防抛结构包括连接在连续梁两侧的底座，所述底座一端开设有安装腔，所述安装腔内安装有电机，所述电机顶端通过转轴卷收有防抛网，所述底座的另一端通过卷簧转动连接有转杆，所述防抛网的另一端卷收在转杆侧壁上；本发明中，可以方便快捷的完成对防抛网的更换，不再需要将损坏的防抛网进行费时费力的拆卸与更换，同时也能减少防抛网在更换过程中产生的高空落物，减少桥梁施工对交通造成的干扰。

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