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1 架桥机基本构造80 t× 4 0 m跨度公路架桥机如图 1所示 ,它主要图 1 架桥机基本结构由双导梁、前、中、后三个行走转换支撑、横梁、起吊小车 (1#和 2 # )、液压系统和电气控制系统组成。双导梁架桥机基本原理是靠前后行走转换支撑轮对通过钢轨沿纵向移动。中间行走转换支撑
The basic structure of a bridge machine 80 t × 4 0 m span bridge erecting machine shown in Figure 1, the main Figure 1 The basic structure of erecting machine consists of double guide beam, before, during and after the three walking conversion support beams, Lifting trolley (1 # and 2 #), hydraulic system and electrical control system. The basic principle of the double guide beam bridge machine is to move the support wheels in the longitudinal direction through the rails by the front and back walking support wheels. The middle of walking conversion support