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Pressure peak reduction valve for excavator and pressure peak reduction system for excavator comprising same
Pressure peak reduction valve for excavator and pressure peak reduction system for excavator comprising same
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机译:挖掘机的压力峰值降低阀和包括该阀的挖掘机的压力峰值降低系统
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摘要
The present disclosure provides a pressure peak reduction valve for an excavator. The pressure peak reduction valve includes at least: a poppet seat which has an inlet port, and at least one communication hole which communicates with a hydraulic tank and is formed in an outer circumferential surface of the poppet seat; a main poppet which slides in the poppet seat; a poppet spring which is provided in the main poppet; a valve seat which has one end portion inserted into the main poppet so as to be in contact with one end portion of the poppet spring; a cone which is provided to be inserted into an openable hole formed at an end portion of the valve seat; an adjustment screw which is provided in the valve seat; and a piston which slides in the adjustment screw.
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