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如何解决升降机的下沉问题?

作者: admin 浏览次数:1867 来源: 美达斯机械 发布日期:2017-11-28 16:12:40

重庆升降机需要哪些保护措施? 针对重庆升降机下沉问题的改进方案,重庆美达斯机械已作出分析,详细请看以下介绍。Chongqing lift need what protection? For the improvement scheme of Chongqing elevator sinking problem, Chongqing meidasi machinery has made detailed analysis, please see the following introduction.

重庆升降机升降到某一指定位置,过一段时间后整个台面会再自重作用下,自动下降到一定距离,产生这个缺陷有两方面的原因:一方面液压是有柔性的,在很大压力或温度作用下,体积会变化体现在台面上就是位置下降。Chongqing elevator to a specified location, after a period of time, the table will automatically fall under gravity to a certain distance, the defects have two reasons: on the one hand, the hydraulic pressure is flexible, in great pressure or temperature, volume will decline is reflected in changes in position on the table.

另一方面液压系统在高压作用下难免会使液压阀回流,或者密封件产生泄露油现象。以上问题虽然增加一套锁进装置能达到定位精度要求,但会给结构和控制带来复杂性,只能从原理上去解决这一问题。On the other hand, the hydraulic system under high pressure will inevitably cause the return of the hydraulic valve, or seal to produce leakage of oil. Although the above problems to increase a set of locking device can achieve the positioning accuracy requirements, but will give the structure and control complexity, only from the principle to solve the problem.

具体方案是把液压-剪叉驱动方式改成机械-剪叉驱动,即采用带制动减速电机驱动使螺母平移带动横杆和推杆,推杆顶升剪刀叉,达到重庆升降机升降目的。The specific scheme is the hydraulic scissors drive into mechanical scissor drive, using belt brake gear motor drive nut translation to drive the cross rod and the push rod, the push rod lifting scissors, elevator to reach Chongqing.

此方案结构简单,轻便,重庆升降机加工组装维修方便,维护工作量小,保证了两边升降的同步性。The scheme has simple structure, light weight, convenient assembly and maintenance of the Chongqing elevator, small maintenance workload, and ensures the synchronization of the two sides of the lifting.

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