Foundation pit supporting device for tunnel engineering construction: Fid-Bau Portal

Foundation pit supporting device for tunnel engineering construction

WU ZHENG / ZHOU JILIN / CHEN ZHIMIN / HE ZHIYANG / FAN YINZHONG / ZHONG CHANGQIAN / LI SHENGKAI / DONG PENGJUN / LIU FENG / LI GUIGANG / ... [mehr]

Abstract

The tunnel engineering construction foundation pit supporting device comprises a first mounting box, mounting plates are fixedly mounted on the two sides of the top of the first mounting box, a lead screw is rotatably mounted on the top of the first mounting box, the top end of the lead screw is in threaded sleeve connection with a lead screw guide sleeve, and the lead screw is fixedly in sleeve connection with a limiting gear; a second mounting box is fixedly mounted at the top end of the lead screw guide sleeve, two early grooves are formed in the tops of the two mounting plates, a vertical rod is movably mounted in any mounting groove, the top ends of the four vertical rods are fixedly connected with the bottom of the second mounting box, and through holes are formed in the periphery of the first mounting box and the periphery of the second mounting box. And a cross rod is movably mounted in any through hole. The foundation pit supporting device for tunnel engineering construction is simple in structure and convenient to use, can be quickly unfolded for supporting conveniently, is high in efficiency, can support foundation pits with different depths conveniently, and is high in practicability.

本发明公开了一种隧道工程施工基坑支护装置，包括第一安装箱，所述第一安装箱的顶部两侧均固定安装有安装板且顶部转动安装有丝杆，丝杆的顶端螺纹套接有丝杆导套且丝杆上固定套接有限位齿轮，丝杆导套的顶端固定安装有第二安装箱，两个安装板的顶部均开设有两个早槽，任意一个安装槽内均活动安装有竖杆，四个竖杆的顶端均与第二安装箱的底部固定连接，所述第一安装箱与第二安装箱的四周均开设有通孔，任意一个通孔内均活动安装有横杆。本发明结构简单、使用方便，所述的一种隧道工程施工基坑支护装置，便于快速展开进行支撑，效率高，且便于对不同深度的基坑进行支护，实用性强。

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