Inhaul cable type arch rib lifting system: Fid-Bau Portal

Inhaul cable type arch rib lifting system

SU WEI / HE YIN / LI FEI

The invention discloses an inhaul cable type arch rib lifting system. The inhaul cable type arch rib lifting system comprises an arch rib, a tensioning assembly and a lifting assembly. The tensioning assembly comprises a tensioning lug plate and a tensioning anchor box. And the tensioning lug plate is fixedly connected with the lower chord side of the arch rib. The tensioning anchor box is rotatably connected with the tensioning lug plate, horizontal opposite-pulling cables are arranged on the front side and the rear side of the tensioning anchor box, and a plurality of sets of temporary supports are embedded in the arch rib and located between the two sets of horizontal opposite-pulling cables. The lifting assembly comprises a lifting anchor box and a lifting pull lug. The inhaul cable type arch rib lifting system relates to the technical field of large-span space structure construction, a lifting lug and a vertical connecting rib plate are omitted, the construction difficulty is simplified, the workload is reduced, the safety coefficient of construction is improved, and meanwhile the construction cost is reduced.

本发明公开了一种拉索式拱肋提升系统，包括包括拱肋、张拉组件以及提升组件。张拉组件包括张拉耳板以及张拉锚箱。张拉耳板与拱肋的下弦侧固定连接。张拉锚箱与张拉耳板之间可转动连接，该张拉锚箱的前后两侧均设置有水平对拉索，拱肋内预埋有多组临时支架，临时支架位于两组水平对拉索之间。提升组件包括提升锚箱以及提升拉耳。本发明涉及大跨空间结构施工技术领域，该拉索式拱肋提升系统，取消提升吊耳及竖向连接筋板，简化了施工难度，降低了工作量，提高了施工的安全系数，同时还降低了施工成本。

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