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本文将以静力平衡式液压马达为例,研究单作用(径向柱塞式)大扭矩液压马达,利用回转偏心套的方法,来改变变量偏心轴的偏心距,以实现液压马达连续无级变量的可能性,同时探讨变量偏心轴的设计原理,参数选择方法,以及采用这种变量机构,液压马达所能达到的性能指标。文中还附有变量轴的计算实例,以供有关方面参考。一、变量机构的工作原理对于单排单作用的静力平衡式液压马达,排量以下式表示:q=2·Z·e·FZ——柱塞数;e——偏心距;
In this paper, static equilibrium type hydraulic motor will be taken as an example to study the single acting (radial piston type) high torque hydraulic motor. By using the method of rotating the eccentric sleeve, the eccentricity of the variable eccentric shaft can be changed, The possibility of variables, and explore the design principle of variable eccentric shaft, parameter selection method, as well as the performance index that can be achieved by adopting such variable mechanism and hydraulic motor. The article also attached to the variable axis calculation example for reference. First, the variable mechanism of the working principle For single-row single role of static balance hydraulic motor, the displacement of the following formula: q = 2 · Z · e · FZ - the number of plunger; e - eccentricity;