Steel structure trestle with extension frame and implementation method of steel structure trestle: Fid-Bau Portal

Steel structure trestle with extension frame and implementation method of steel structure trestle

ZHANG ERYONG / SHA GUANGZHOU / QIU MAN

The invention discloses a steel structure trestle with an extension frame and an implementation method of the steel structure trestle, and belongs to the technical field of trestles. In order to solve the problems that existing trestles are mostly of a fixed structural design, so that the overall stability of the existing trestles can be guaranteed, a telescopic movable trestle has a certain defect in stability, and a height difference exists between a trestle road at an extension position and an original trestle road, an extension staggered shaft steel frame is mainly composed of an upper part and a lower part; wherein a bearing hydraulic rod piece is arranged on one side of the movable steel sleeve, the bearing hydraulic rod piece is connected with the bridge floor trestle road above the bearing hydraulic rod piece and can control the lifting operation of the bridge floor trestle road, and the fixing sliding seat below the bearing hydraulic rod piece is connected with a transverse bridge used for supporting the whole trestle road structure. Bidirectional telescopic moving operation is achieved between the movable steel sleeve and the retention sliding seat through a driving wheel structure, and therefore lifting and moving operation of the bridge deck plank road is achieved.

本发明公开了一种具有延伸框架的钢结构栈桥及其实施方法，属于栈桥技术领域。为解决现有的栈桥多为固定式的结构设计，这样可以保障其整体的稳定性，而可伸缩的活动式栈桥在稳定性上存在着一定的缺陷，而且延展处的栈道会与原先栈道之间出现高低差的问题，延伸错轴钢架主要由上下两个部分组成，其中活动钢套的一侧设置有承接液压杆件，该承接液压杆件与上方的桥面栈道相连，可以控制桥面栈道的升降操作，而下方的固位滑座则与用于支撑整个栈道结构的横桥相连，活动钢套与固位滑座之间通过驱动轮结构来实现双向的伸缩移动操作，这样便实现桥面栈道的升降和移动操作。

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