Back-pulling lifting support and construction method thereof: Fid-Bau Portal

Back-pulling lifting support and construction method thereof

ZHOU GUANGEN / ZHANG GUIDI / YOU GUIMU / LYU YUNLONG / WAN JINGXIN / ZHU RONGJI

The invention relates to a back-pulling lifting support and a construction method thereof, and belongs to the technical field of steel structure assembly, the back-pulling lifting support comprises a truss structure, a lifting tool is arranged on the side edge of the truss structure, and a back-pulling tool is arranged at the rear end of the lifting tool. The lifting tool comprises a lifting platform, a plurality of hydraulic lifters are arranged on the front side of the upper end of the lifting platform, and lifting steel strands are arranged between the hydraulic lifters and the truss structure. The device has the advantages of compact structure, convenient operation and good operation stability. The problem that the safety and stability of a lifting support are affected by additional bending moment due to overlarge horizontal displacement generated by single-side lifting is solved. And real-time dynamic tensioning adjustment is conducted on the back-pulling steel strand through the back-pulling lifter and the tensioning device, safety and stability in the lifting process of the structural column and the net rack are guaranteed, and the lifting precision of the truss structure is guaranteed.

本发明涉及一种背拉提升支架及其施工方法，所属钢结构装配技术领域，包括桁架结构，所述的桁架结构侧边设有提升工装，所述的提升工装后端设有背拉工装。所述的提升工装包括提升平台，所述的提升平台上端前侧设有若干液压提升器，所述的液压提升器与桁架结构间均设有提升钢绞线。具有结构紧凑、操作便捷和运行稳定性好的优点。解决了单侧提升产生水平位移过大，产生附加弯矩进而影响提升支架安全稳定的问题。通过背拉的提升器和张拉器对背拉钢绞线进行实时动态张拉调节，确保结构柱和网架提升过程的安全稳定，保证桁架结构提升精度。

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