液压缸稳定性计算方法的理论探讨

A Study on the Theoretical Calculation of the Stability of the Hydraulic Cylinder

通过对液压缸受力情况分析，对传统的液压缸稳定性计算方法提出了质疑，并提出了一种新的液压缸稳定性计算方法．该方法视液压缸为不连续固－液相压件，而传统的方法视液压缸为连续固体压杆，两者之间有着本质差别．新方法的计算结果与传统方法的计算结果相差悬殊．

First,the stress of the hydraulic cylinder is analysed and the traditional method of calculation of the stability of the hydraulic cylinder is discussed.Then,a new method of calculation of the stability of the hydranlic cylinder is put forward.The new method takes the hydraulic cylinder as discontinuons solidus liquidus depression bar,while the traditional method takes the hydranlic cylinder as continnuons solid depression bar.Since there is an essential distinction between the two methods,the difference between the calculation results of two methods is finally showed.