Steel structure roof sliding jig frame jacking method: Fid-Bau Portal

Steel structure roof sliding jig frame jacking method

QIN YONGKANG / ZHANG BAOKE / ZHANG JIAN / HE GUOQING / WANG ENLAI

The invention discloses a steel structure roof sliding jig frame jacking method which comprises the following steps that a jig frame temporary support is laid on the ground, a jig frame jacking device is arranged in the jig frame temporary support, the jig frame jacking device stretches out and draws back in the vertical direction, and the movable end of the jig frame jacking device is located at the upper end; assembling a jig frame and arranging the jig frame on the jig frame temporary bracket; the movable end of a jig frame jacking device is fixedly connected with the jig frame, the lower end of the jig frame jacking device is fixed to the jig frame temporary support through a limiting device, and the steel structure roof sliding jig frame is synchronously jacked to rise by a certain height; a section of jig frame jacking frame standard knot is fixedly installed between the temporary support and the jig frame; dismounting the limiting device, and shortening the stroke to restore to the initial state; and a limiting device is installed to fix the jig frame jacking device and the jig frame jacking frame standard knot, and the steps are repeated till the whole jig frame is jacked to the target height. The steel structure roof sliding jig frame jacking method is good in applicability, easy and convenient to operate, stable in overall process, good in safety and good in application prospect.

本发明公开了一种钢结构屋面滑移胎架顶升方法，步骤如下：在地面铺设胎架临时支架，胎架临时支架内设有胎架顶升装置，胎架顶升装置沿着垂直方向伸缩且其活动端位于上端；拼装胎架且胎架布置在胎架临时支架上；将胎架顶升装置的活动端与胎架固定连接，胎架顶升装置的下端通过限位装置固定在胎架临时支架上，同步顶升钢结构屋面滑移胎架上升一定高度；在临时支架与胎架之间固定安装一节胎架顶升架标准节；拆除限位装置，缩短行程恢复至起始状态；安装限位装置将胎架顶升装置与胎架顶升架标准节固定，重复上述步骤直至整体顶升至目标高度。本发明的钢结构屋面滑移胎架顶升方法，适用性好且操作较为简便，整体过程稳定，安全性好，极具应用前景。

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