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简单介绍DYJ900/32型900吨流动式箱梁架桥机的功能及构成,着重解析主、辅助支腿结构特点及液压系统的动作;结合总体设计要求的顶升油缸同步控制精度,就支腿顶升液压系统控制原理实现的同步动作进行讨论。
Briefly introduce the function and constitution of DYJ900 / 32 900t flow box girder erecting machine, mainly analyze the structural characteristics of main and auxiliary outrigger and the action of hydraulic system. According to the synchronization control precision of jacking cylinder in the overall design, Jacking hydraulic system control principle to achieve the synchronization action to be discussed.