升降平台的液压系统平衡

文章来源：http://lisasmirror.com 发布时间：2018-12-23 浏览次数：164

升降机的两个油缸间距为2.5m，提升高度为1.2m，车前部比车后部重300kg，两个活塞在偏载条件下要求上升和下降必须同步平衡运行。

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为了控制和弥补位置误差，在两个油缸下限位置分别设置了一个行程限位开关，使两个活塞在完成一个行程后，能自动调整一次位罝误差，保证每次重新启动时都是从零位开始，因而满足了位置精度条件。