同步顶升支座更换技术

On synchronizing lifting technique bearing replacement

结合具体工程实例,介绍了PLC控制液压同步顶升技术在桥梁支座更换中的应用,分别阐述了PLC同步控制系统的组成和特点及顶升原理,并对线性同步顶升控制技术作了具体说明,指出该技术安全、快速、可靠,值得进一步推广。

Combining with the factual engineering examples, the paper introduces the application of the PLC control hydraulic synchronizing lift-ing technique in the bridge hearing replacement, illustrates the components and lifting principle of the PLC hydraulic control system, indicates the linear synchronizing lifting control technique and points out the technique is safe, speedy and reliable and can be future extended.