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Pleiger厂生产的“MO”型液压马达是带五个或者六个活塞③的径向活塞液压马达,这些活塞直接在偏心轴上(2a)沿径向工作。静压平衡的活塞座④浮动于偏心轴上,该轴是由高强度铸钢制成并且经淬火处理,这样表面比压很小也不易磨损。活塞座通过抱环⑥抱紧在偏心轴上。与工作压力相对应的压力油通过活塞和活塞座被引入偏心轴和活塞之间的C腔内。活塞座与由球面轴承导向的工作活塞合理地相连接。带有这种球形轴承结构的工作活塞支座与普通的一些结构相比具有以下优
The “MO” type hydraulic motor from the Pleiger plant is a radial piston hydraulic motor with five or six pistons ③ that run radially on an eccentric shaft (2a). Hydrostatic balance of the piston seat ④ floating on the eccentric shaft, the shaft is made of high strength cast steel and quenched, so that the surface pressure is small and not easy to wear. Piston seat through the ring ⑥ hug the eccentric shaft. The pressure oil corresponding to the working pressure is introduced into the C-chamber between the eccentric shaft and the piston through the piston and the piston seat. The piston seat is connected to the working piston guided by the spherical bearing reasonably. Compared with some common structures, the working piston bearing with the spherical bearing structure has the following advantages