针对我国目前计算水工液压启闭机稳定性的方法各不相同的情况,进行了系统的疏理、总结,归纳成等截面法、高登·兰金公式、稳定系数法、折算长度法四种方法,指出了每种方法的出处和优缺点;并通过一具体算例,对每种方法的计算结果进行了比较,从而为设计人员正确使用各种方法提供了方向,也为今后统一计算方法提供了基础.%According to the stability calculation of hydraulic hoist in China ,the different methods are sorted out systemat-ically and summarized into the equal section method ,Gordon Rankine formula ,stability coefficient method and equivalent length method .And the advantages and disadvantages of each method are discussed .The calculation results of each method are compared through an example ,which gives a way for the designers to apply various methods correctly and pro-vide some references for further unifying calculation method .
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