Foundation pit supporting structure for constructional engineering: Fid-Bau Portal

Foundation pit supporting structure for constructional engineering

FAN XIAOHAN

The invention provides a foundation pit supporting structure for constructional engineering. The structure comprises a base plate and a side plate, a mounting block is fixedly mounted on one side of the side plate, a dismounting box penetrates through the mounting block, a fixing groove is formed in the upper portion of the base plate, the fixing groove is matched with the dismounting box, a lead screw is in threaded connection with the upper portion of the dismounting box, a screwing block is arranged at the top end of the lead screw, a pressing block is connected to the bottom end through a bearing seat, a lifting block is connected to the lower portion of the pressing block through a linkage device, a linkage rod is hinged to the lower portion of the lifting block, and the linkage rod is hinged to a linkage vertical block. According to the structure, the screwing block is screwed, the lead screw is rotated, the pressing block is driven to move downwards through cooperation of the bearing seat, then the linkage rod drives the linkage vertical block to move, then a clamping block is connected with a clamping groove of a mounting cavity in a clamped mode, meanwhile, an air cylinder is started, the free end of the air cylinder extends to drive a fixed block to move downwards, and then the fixed block is matched with an assistor in a limiting opening, so that the clamping block is further limited and fixed.

本发明的一种建筑工程用基坑支护结构，包括基板和侧板，所述侧板一侧固定安装有安装块，安装块上贯穿有拆卸盒，所述基板上部设有固定槽，固定槽与拆卸盒配合设置，所述拆卸盒上部螺纹连接有丝杆，丝杆顶端设有拧动块，底端通过轴承座连接有压块，压块下部通过联动器连接有升降块，升降块下部铰接有联动杆，联动杆与联动竖块铰接设置。本发明通过拧动块拧动，丝杆转动，通过轴承座的配合带动压块向下移动，进而通过联动杆带动联动竖块移动，继而卡位块与安装空腔的卡位槽卡接，同时通过启动气缸，气缸自由端伸长带动定块向下移动，继而定块与限位口内的辅助器配合，将卡位块进一步限位固定。

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