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曲轴连杆式液压马达(又称斯达发马达),是径向柱塞式低速大扭矩马达的一种,具有结构简单,用材普遍,制造较易和成本低等优点,用于工程机械、矿山机械、起重运输机械以及舰船液压传动系统作为执行元件。我国的JMD系列马达是按五十年代英国张伯伦公司斯达发工厂的原MK 系列仿制生产的,由于原设计存在一定的问题,该系列马达的机械效率低(最高只达91.5%),低速稳定性差(转速低于10转/分时就产生
Crankshaft connecting rod type hydraulic motor (also called Sida motor) is a kind of radial piston type low speed and high torque motor. It has the advantages of simple structure, universal materials, easy manufacture and low cost. It is used in construction machinery, Mining machinery, lifting transport machinery and ship hydraulic transmission system as the implementation of components. The JMD series motors of our country are produced according to the original MK series imitation of Stalfa factory of Wilt Chamberlain in England in the 1950s. Due to the original design problems, the series motors have low mechanical efficiency (up to 91.5%), low speed and stable Poor sex (speed is less than 10 rev / min when produced