The invention provides a front cantilever used for impact bridge erection, which comprises a front cantilever body used for bearing a bridge span, and the front cantilever body is provided with a roller group used for guiding the bridge span to move along the direction of the front cantilever body; the axle pushing mechanism is used for driving the axle span to move in the direction of the front cantilever body; and the rotating arm is used for supporting and driving the axle span to move. The front cantilever provided by the invention is simple in structure, few in constituent structures, stable in operation and low in failure rate.
本发明提出了一种用于冲击桥架设的前悬臂,包括用于承载桥跨的前悬臂本体,前悬臂本体上设有:滚轮组,用于引导桥跨沿前悬臂本体方向运动;推桥机构,用于驱动桥跨沿前悬臂本体方向运动;转臂,用于支撑并驱动桥跨运动。本发明提出的前悬臂,结构简单,构成结构少,运行稳定,故障率低。
Front cantilever for erecting impact bridge
一种用于冲击桥架设的前悬臂
2023-07-04
Patent
Electronic Resource
Chinese
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