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The principle analysis of hydraulic motor and hydraulic pump
Source:   Published:2014-08-26 00:14:43   Views:1481

        首先从能量的角度来看:液压泵与液压马达是可逆工作的液压元件。但是,由于行走马达和液压泵的工作条件不同,对它们的性能要求也不一样,所以同类型的行走马达和液压泵之间,仍存在许多差别。首先行走马达应能够正、反转,因而要求其内部结构对称;液压马达的转速范围需要足够大,特别对它的最低稳定转速有一定的要求。因此,它通常都采用滚动轴承或静压滑动轴承;其次液压马达由于在输入压力油条件下工作,因而不必具备自吸能力,但需要一定的初始密封性,才能提供必要的起动转矩。由于存在着这些差别,使得液压马达和液压泵在结构上比较相似,但不能可逆工作。


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