Self-balancing type large-span roof net rack lifting method: Fid-Bau Portal

Self-balancing type large-span roof net rack lifting method

LIU JIANGFAN / ZHANG SHAOWU / WANG TAO / LIU PENGZHEN / ZHOU ZHIYING

The invention relates to a self-balancing type large-span roof net rack lifting method. Comprising the following steps: 1, splicing the net rack on the ground; 2, a self-balancing type lifting support is arranged at the top of the structural column serving as the lifting point, lifters are symmetrically arranged at the two ends of the self-balancing type lifting support, and a back pulling supporting structure is arranged on the side portion of the structural column; 3, overall lifting of the net rack; wherein in the step 3, when the net rack is lifted, the stroke of the net rack and displacement data of the net rack are transmitted to a hydraulic synchronous computer through a preset sensor, the lifting process of the net rack is controlled by the hydraulic synchronous computer in the whole process, and a technician monitors the synchronous lifting process through a control system of the hydraulic synchronous computer. According to the lifting method for the large steel net rack, the staged lifting process of staged lifting, hovering monitoring, staged unloading and the like is adopted, the lifting method is particularly suitable for lifting of the large steel net rack, deformation protection of the steel net rack is facilitated, and structural protection of a structural main column is also facilitated.

本发明是一种自平衡式大跨度屋面网架提升方法；包括步骤1、网架地面散拼；步骤2、在用作提升点的结构柱顶部设置自平衡式提升支架并在及自平衡式提升支架的两端对称设置提升器，在所述结构柱的侧部设置背拉支撑结构；步骤3、网架的整体提升；其中，步骤3中，网架提升时网架的行程及网架的位移数据通过预置传感器向液压同步计算机传输，并且网架的提升过程由液压同步计算机全程控制，技术人员通过液压同步计算机的控制系统实现对同步提升过程的监控。本发明提出的上述用于大型钢网架的提升方法，采用分级提升、悬停监测、分级卸荷等阶段性提升的过程，尤其适用于大型钢网架的提升，既有利于钢网架的变形保护，也有利于结构主柱的结构保护。

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