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发明授权
CN103775401B 用于液压轴的液压回路和液压轴 有权

用于液压轴的液压回路和液压轴
摘要：
本发明涉及一种用于多面式缸的液压回路。多面式缸的活塞具有两个拉回面和一个移出面。通过可摆转的液压机器，多面式缸的活塞可以移入和移出。设置有控制阀用于在活塞的快速动作与施力动作之间进行转换。其中，控制阀以这样的方式布置，即对于快速动作，第一拉回面和移出面可再生连接。此外，控制阀以这样的方式布置，即对于施力动作两个拉回面可以相互连接。此外，本发明还涉及一种设计成紧凑型结构单元的液压轴进行。在这里设置控制集成块，所述液压回路和液压机器布置在控制集成块内。然后多面式缸和液压机器的驱动单元法兰连接到控制集成块上。液压轴的凑型的结构单元可以形成封闭的液压循环。
摘要（英）：

The circuit (6) has a reversible hydraulic machine (14) and control valves (58, 64) for switching between rapid motion and force motion of a piston (4). An outer return surface and an extending surface are switched into regeneration for the rapid motion by the valves. The outer return surface and an inner return surface are interconnected for the force motion by the valves. A shutoff valve (74) is provided in a pressurized agent flow path between the machine and the extending surface. A switching valve (70) is provided in the path between the machine and the inner return surface. The control valves are 2/2-way valves. The hydraulic machine is a hydraulic pump. An independent claim is also included for a hydraulic axle.

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