Foundation pit support deformation control device and construction method thereof: Fid-Bau Portal

Foundation pit support deformation control device and construction method thereof

QI JIHONG / YANG YINGLIU / ZHU PUHUA

The invention belongs to the technical field of foundation pit supports, and discloses a foundation pit support deformation control device which comprises a base, a first limiting plate is fixedly mounted at the bottom of the base, and a sliding groove is formed in the top of the base. The purpose of stably supporting the foundation pit is achieved by arranging the base, the fixing rods, the transmission rod and the like, the two fixing rods are driven by the sliding block to move, one sides of the two fixing rods are downwards expanded under the guide of the inner wall of the rectangular hole in the bottom of the base, and the two fixing rods are gradually inserted into soil; and meanwhile, two protruding blocks are pushed through inclination of the bottom of one side of a sliding block, in the downward moving process of the two protruding blocks, a spring is extruded through a first fixing plate, the lower end of the bottom of a transmission rod is inserted into soil, a bottom plate is limited and fixed, the inner wall of the foundation pit is effectively supported through a fixing rod and the transmission rod, and the foundation pit is protected. And the effect of stably supporting the foundation pit is achieved.

本发明属于基坑围护技术领域，且公开了一种基坑围护变形控制装置，包括底座，所述底座的底部固定安装有第一限位板，所述底座的顶部开设有滑动槽。本发明通过设置有底座、固定杆与传动杆等达到了基坑稳定支撑的目的，通过滑动块分别带动两个固定杆移动，在两个固定杆的一侧在底座底部矩形孔内壁的引导下向下撑开，两个固定杆将逐渐插入泥土中，同时通过滑动块一侧底部的倾斜分别推动两个凸块，两个凸块向下移动的过程中通过第一固定板对弹簧进行挤压，传动杆的底部下端将插入泥土中，对底板进行限位固定，通过固定杆与传动杆有效的对基坑内壁进行支撑，使其达到了基坑稳定支撑的效果。

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