Foundation pit supporting framework for building foundation construction: Fid-Bau Portal

Foundation pit supporting framework for building foundation construction

WU QIUMIN

The invention belongs to the technical field of building construction equipment, and particularly relates to a foundation pit supporting framework for building foundation construction. The foundationpit supporting framework comprises a rectangular base plate, wherein the two sides of the base plate are rotatably connected with strip-shaped mounting plates; sliding plates parallel to the mountingplates are in sliding fit in the mounting plates; a strip-shaped pressing plate is fixedly arranged on the outer end surface of each corresponding sliding plate perpendicularly; an angle adjusting mechanism is arranged at the joint of each mounting plate and the base plate correspondingly; a plurality of mounting blocks for fixing supporting anchor rods are rotatably arranged at the top and the bottom of the base plate respectively through pin shafts; one ends of first connecting rods are rotatably connected to positions, corresponding to the mounting blocks, of the back surface of the base plate through pin shafts; the mounting blocks are rotatably connected with one ends of second connecting rods through pin shafts; and the ends of each first connecting rod are hinged to the ends of thecorresponding second connecting rod. According to the foundation pit supporting framework for building foundation construction, the angle can be adjusted according to different surface radians of an arc-shaped foundation pit, so that the strip-shaped pressing plates are attached to the surface of the foundation pit, and the surface of the side wall of the arc-shaped foundation pit is fully supported.

本发明属于建筑施工设备技术领域，具体涉及一种建筑地基基础建造基坑支护模板，包括矩形基板，基板的两侧转动连接有条形安装板；安装板内滑动配合有与其平行的滑动板，滑动板的外端面垂直于滑动板固定安装有条形压板；安装板与基板的连接处设置有角度调节机构；基板的顶部和底部分别通过销轴转动安装有若干个用以固定支护锚杆的安装块；基板的背面对应安装块的位置通过销轴转动连接第一连接杆的一端，安装块上通过销轴转动连接第二连接杆的一端，第一连接杆和第二连接杆的端部铰接在一起。本发明能根据弧形基坑表面弧度的不同进行角度的调节，确保条形压板能与基坑表面贴合，对弧形基坑侧壁表面起到充分支撑。

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