Put forward the new structure ibstead of valve in hydraulic reversing, keeping the hydraulic oil dean so the control of hydraulic system is pricise, and the wear of piston rod is reduced greatly.

 
  • 提出液压换向使用“油口控制”取代“阀控制”的新思路,使系统控制及时、准确,充分利用油缸的空间,避免不必要的损坏。
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