Pushing device for steel truss and pier loading method for steel truss: Fid-Bau Portal

Pushing device for steel truss and pier loading method for steel truss

ZHANG MIN / SHI HONG / ZHANG JIAN / XU YIXIANG / NAN FEI / SHI XIUFENG

The invention discloses a pushing device for a steel truss and a pier loading method for the steel truss. The pushing device comprises a supporting system and a steel guide beam. The sliding device is arranged on the supporting system and is suitable for driving the steel guide beam to slide relative to the supporting system; the first jacking device is arranged on the sliding device and/or the steel guide beam, and the first jacking device is provided with a first extension rod and is suitable for driving the steel guide beam to be close to or away from the sliding device; and the second jacking device is arranged on the supporting system and is suitable for supporting the steel guide beam. The end of the steel guide beam is jacked up through the first jacking device, it is guaranteed that the steel guide beam is smoothly loaded on the pier, the sliding device drives the steel guide beam to move to the pier loading position, the second jacking device supports the steel guide beam and retracts the first jacking device, the first jacking device can continue to be used in the follow-up pier loading process, repeated disassembly and assembly of the first jacking device are avoided, and the construction efficiency is improved. The construction efficiency is improved.

本发明公开了一种用于钢桁架的顶推装置及钢桁架上墩方法，顶推装置包括：支撑系统和钢导梁；滑动装置，滑动装置设置于支撑系统且适于带动钢导梁相对支撑系统滑动；第一顶升装置，第一顶升装置设置于滑动装置和/或钢导梁，第一顶升装置设置有第一伸出杆且适于驱动钢导梁靠近或远离滑动装置；第二顶升装置，第二顶升装置设置于支撑系统且适于支撑钢导梁。本申请通过第一顶升装置将钢导梁端部顶起，保证钢导梁顺利上墩，通过滑动装置带动钢导梁移动至上墩位置，通过第二顶升装置支撑钢导梁并将第一顶升装置收回，第一顶升装置可在后续上墩过程继续使用，避免第一顶升装置重复拆装，提高施工效率。

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