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内曲线径向柱塞式液压马达是工程机械常选用的一种低速大扭矩液压马达。由于柱塞在一转中往复作功多次,故每转的工作容积较大,加之柱塞式结构又允许使用较高的油压,因而能得到大扭矩。同时由于多作用,在正确地选择马达参数及曲线结构类型时,还可以使扭矩及转速之脉动在理论上趋于零、使各零件受力得到平衡,从而简化了支承部件的结构,减轻了重量,提高了马达的技术性能。
Internal curve radial piston hydraulic motor is often used in construction machinery, a low-speed high torque hydraulic motor. Because the plunger reciprocates multiple times during a revolution, the working volume per revolution is large. In addition, the plunger structure allows the use of higher hydraulic pressure, thereby obtaining high torque. At the same time due to multiple roles, the correct choice of motor parameters and the type of curve structure, but also can make the torque and speed of the pulse in theory tends to zero, the stress of each part is balanced, thus simplifying the support structure, reducing the Weight, improve the technical performance of the motor.