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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部件的挖掘机的压力峰值降低系统
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摘要
An embodiment of the present invention relates to a pressure peak reduction valve for an excavator. The pressure peak reduction valve for an excavator comprises: a poppet sheet having an inlet into which working fluid discharged from a hydraulic pump is introduced and which is formed on one end thereof and having one or more communication holes which communicate with a hydraulic tank and are formed on the outer peripheral surface thereof; a main poppet which slides inside the poppet sheet; a poppet spring which is provided inside the main poppet; a valve sheet, one end of which is inserted into the main poppet to be in contact with one end of the poppet spring; a cone provided to be inserted into an opening hole formed on an end of the valve sheet; an adjustment screw provided inside the valve sheet; and a piston which slides inside the adjustment screw.
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