1、风速大于五级时进行高空作业容易使四川液压升降机http://www.sdjinpin.com/晃动，这样很容易产生安全事故，再就是四川液压升降机支腿没有按照说明书上打开或没有安全打开，都会在升降过程中产生影响，造成不稳定。
Wind speed greater than five when the height of the Sichuan hydraulic lift is easy to shake, so it is easy to produce a safety accident, and then the Sichuan hydraulic lift is not open on the manual or safe to open, will have an impact on the lifting process, resulting in instability.

2、四川液压升降机在工作时，如果达不到额定电压，各个部件不能够正常运行，很容易造成升降不稳，缩短液压升降机的使用寿命，再就是在工作前要进行试机，空载运行和负载运行连续试验三次以上，方可进行操作，以免在工作中发生故障，运行不稳。
Sichuan hydraulic lift in the work, if not up to the rated voltage, the various components are not normal operation, it is easy to cause instability, shorten the service life of the hydraulic lift, and then to test machine, no-load running and load running for more than three times, can be operated, so as to avoid failure in the work, running instability.

3、四川液压升降机http://www.sdjinpin.com/液压缸的质量变幅很小，不会对升降不稳产生影响，忽略不计，液压升降机作业时，用4条支腿作支撑，而所有轮胎都完全离开地面，将升降机及其载荷看作一个集中载荷固定在作业臂末端。
Sichuan hydraulic lift hydraulic cylinder of the mass range is very small, will not have an impact on the rise and fall, the hydraulic lift operation, with 4 legs for support, and all the tires are completely left the ground, the lift and its load as a concentrated load at the end of the operating arm.