Cofferdam structure for hydraulic building construction of water conservancy and hydropower engineering and use method of cofferdam structure: Fid-Bau Portal

Cofferdam structure for hydraulic building construction of water conservancy and hydropower engineering and use method of cofferdam structure

FENG XIONG / YAN SHIWEI

Abstract

The cofferdam structure comprises a connecting rod, a mounting mechanism and a connecting locking piece, the connecting rod is welded to the inner side surface of the mounting mechanism, and the interior of the upper end of the mounting mechanism is in threaded connection with the connecting locking piece; the inner side ends of the two offset plates on every two adjacent steel plate mechanisms are stacked up and down, the spring clamping rods are clamped into the inner sides of the two offset plates, the two offset plates are connected and fixed, the two adjacent steel plate mechanisms are pulled, clamped and fixed, the connection sealing performance between the two steel plate mechanisms is improved, and the service life of the steel plate mechanisms is prolonged. When a sealing plate is subjected to pressure of a stress pipe, an extrusion pipe elastically extrudes on a fixed pipe to play a role in elastic buffering, an offset rod generates a linkage offset angle, an insertion pin extends out of the lower end of a plate body and is inserted into the bottom of a foundation pit, and therefore the sealing plate is fixed to the bottom of the foundation pit. And the situation that the plate body is impacted by water and soil on the outer side and topples over is avoided.

本发明公开了水利水电工程水工建筑施工用围堰结构及其使用方法，包括连接杆、安装机构、连接锁件，连接杆焊接于安装机构内侧表面，并且安装机构上端内部与连接锁件通过螺纹连接，相邻的两个钢板机构上的两个偏移板内侧端形成上下堆叠在一起，弹簧卡杆卡入两个偏移板内侧内部，将两个偏移板进行连接固定，将相邻的两个钢板机构之间进行牵引卡合固定，提高两个钢板机构之间连接的密封性，推移杆带动勾板将挤压杆卡合勾住，使得四个钢板机构之间的连接牢固性提升，密封板受到受力管的压力时，挤压管在固定管上进行弹性挤压起到弹性缓冲，偏移杆产生连动偏移角度，插钉伸出板体下端内部插入基坑底部，避免板体受到外侧的水土冲击发生倾倒的情况。

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