Foundation pit construction supporting device: Fid-Bau Portal

Foundation pit construction supporting device

WU RENKAI / YUAN SHITUAN / SHOMITSU

The invention discloses a foundation pit construction supporting device which comprises a supporting disc, the supporting disc is rotationally connected with a plurality of first positioning pieces in the circumferential direction, the upper ends of the first positioning pieces are rotationally connected with second positioning pieces, the supporting disc is rotationally connected with supporting pieces, the supporting pieces are fixedly provided with limiting cylinders, and the limiting cylinders are provided with a plurality of limiting pieces; the limiting pieces are in sliding connection with the limiting cylinders and correspond to the second positioning pieces one to one; the limiting barrel is provided with a plurality of limiting plates, the limiting plates correspond to the limiting pieces one to one, the limiting pieces are fixedly provided with a plurality of limiting rods, the limiting rods are sleeved with limiting springs, the limiting rods penetrate through the corresponding limiting plates and are in sliding connection with the limiting plates, and the two connecting ends of the limiting springs are fixedly connected with the limiting plates and the limiting pieces correspondingly. The supporting piece is provided with a driving mechanism for driving the limiting plate to radially move along the limiting cylinder. The connection stability of the supporting device and the pile hole can be guaranteed.

本发明公开了一种基坑施工支护装置，其包括支撑盘，支撑盘沿周向转动连接有若干第一定位件，第一定位件上端部均转动连接有第二定位件，支撑盘转动连接有支撑件，支撑件固设有限位筒，限位筒设有若干限位件，限位件与限位筒滑动连接，限位件与第二定位件一一对应；限位筒设有若干限位板，限位板与限位件一一对应，限位件固设有若干限位杆，限位杆均套设有限位弹簧，限位杆穿设相对应的限位板且与限位板滑动连接，限位弹簧的两个连接端分别与限位板和限位件固定连接，支撑件设有驱动限位板沿限位筒径向运动的驱动机构。本申请有利于保障支护装置与桩孔连接的稳固性。

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