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    • 40. 发明授权
    • Variable displacement hydraulic piston pump with torque limiter
    • 具有扭矩限制器的可变排量液压活塞泵
    • US5295796A
    • 1994-03-22
    • US966806
    • 1992-10-26
    • Kunifumi GotoShigeru SuzukiNobuaki HoshinoTatsuyuki Hoshino
    • Kunifumi GotoShigeru SuzukiNobuaki HoshinoTatsuyuki Hoshino
    • F04B1/20F04B1/32F04B1/26
    • F04B1/324
    • A variable displacement hydraulic piston pump having a cylinder block provided with cylinder bores formed therein to receive reciprocatory pistons and capable of rotating together with an axial drive shaft, a swash plate pivotally supported to reciprocate the pistons in the cylinder bores in response to the rotation of the cylinder block thereby discharging pressurized oil, a resilient unit for constantly urging the swash plate to a small inclination-angle position, a hydraulic control cylinder capable of providing the swash plate with a controlled force moving the swash plate toward a large inclination-angle position, an input shaft connected to the drive shaft to transmit a rotary drive power rotating the drive shaft, and a torque limiter arranged between the input and drive shafts so as to be able to disconnect the drive shaft from the input shaft when an abnormal excessive load is applied to the drive shaft thereby protecting internal elements and parts of the pump from damage and breakage.
    • 一种可变排量液压活塞泵,其具有设置有气缸孔的气缸体,其中形成有用于接收往复活塞并能够与轴向驱动轴一起旋转的气缸孔,所述旋转斜盘可枢转地支撑以使活塞在气缸孔中往复运动, 气缸体由此排出加压油,弹性单元用于不断地将斜盘推动到较小的倾斜角度位置;液压控制缸,其能够为斜盘提供控制力,将旋转斜盘朝向大的倾斜角位置 连接到驱动轴的输入轴,以传递旋转驱动轴的旋转驱动力,以及布置在输入驱动轴之间的扭矩限制器,以便当异常过载时能够将驱动轴与输入轴断开 被施加到驱动轴上,从而保护泵的内部元件和部件免受损坏 破损。