Safety protection device for side wall of foundation pit

• Main Authors: BI SHUO, LIU JIAWEI, ZHAO SHIQI, CUI ZHENG, YIN HENGQI
• Format: Patent
• Language: Chinese; English
• Published: 19.12.2023
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model discloses a foundation pit side wall safety protection device, and relates to the technical field of foundation pit protection devices, the foundation pit side wall safety protection device comprises a clamping block and a steel waist beam, and the bottom of the clamping block is fixedly provided with a U-shaped steel bar. During use, a clamping block is placed in the steel waist beam, then a lead screw is rotated to drive two first square plates to horizontally move, then two first sliding blocks are driven to move oppositely, when the first sliding blocks move, two clamping columns are driven to move oppositely under the action of two second connecting assemblies, and the inner wall of the top and the inner wall of the bottom of the steel waist beam are clamped; a screw rod rotates to drive a second square plate to horizontally move, so that two sleeves are driven to move back to back under the action of two third connecting assemblies, two sliding shafts and two supporting plates are made