Large-diameter steel sleeve mounting device and construction method: Fid-Bau Portal

Large-diameter steel sleeve mounting device and construction method

TANG HUAGANG / LU XIANGKE / ZHU WANGYI / WANG JIAHUA / SUN YUJIE

The invention relates to a large-diameter steel sleeve mounting device and a construction method, and belongs to the technical field of building construction. The large-diameter steel sleeve mountingdevice is used for solving the problem that positioning deviation occurs when a steel sleeve is installed in a core tube wall which is large in thickness, singular in shape and extremely high in mounting precision requirement. The device comprises a positioning cross ruler, a steel support and a bracket connecting piece, wherein the positioning cross ruler is matched with the section of an orificeof the steel sleeve; the steel support comprises supporting legs and a steel plate platform, and the steel plate platform is fixed to the top ends of the supporting legs; the bracket connecting pieceis connected with the steel sleeve in a welded mode; and the steel sleeve is fixedly connected with the steel plate platform through the bracket connecting piece. The steel sleeve is fixed to the manufactured steel support, and the whole steel sleeve is installed in the concrete core tube wall. The construction method comprises the steps that firstly, the steel sleeve is hoisted to the steel plate platform of the steel support through a portal frame, the steel sleeve is positioned through the positioning cross ruler, the bracket connecting piece is welded to the steel sleeve, and the steel sleeve is installed at the preset position of the corresponding core tube wall.

本发明涉及一种大直径钢套管安装装置及施工方法，属于建筑施工技术领域，用于解决钢套管安装于厚度大、形状奇异且对安装精度要求极高的核心筒墙内出现定位偏差的问题。该装置包括定位十字尺、钢支架以及牛腿连接件，定位十字尺与钢套管管口的截面相配合；钢支架包括支腿和钢板平台，钢板平台固定于支腿的顶端；牛腿连接件与钢套管焊接连接，钢套管通过牛腿连接件与钢板平台固定连接。通过将钢套管固定于制作好的钢支架上，整体安装于混凝土核心筒墙内。该施工方法首先通过龙门架将钢套管吊装至钢支架的钢板平台上，并采用定位十字尺定位钢套管，并将牛腿连接件焊接至钢套管上，并将钢套筒安装至对应核心筒墙的预定位置。

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