VIBRATING DEVICE FOR AN OPERATING MACHINE FOR A HY

专利名称：VIBRATING DEVICE FOR AN OPERATING

MACHINE FOR A HYDRAULIC SHOVEL

发明人：TOMITA, SHINJI申请号：EP95932957申请日：19951003公开号：EP0785312A4公开日：19980128

摘要：The present invention relates to an operating machine vibrating device for ahydraulic excavator which can effectively perform vibrating operation such as diggingwork and rolling work, etc. To this end, the vibrating device comprises a rotary vibratingvalve (15) for continuously switching pressure oil from a hydraulic source (10) fordischarging, and a vibration mode switching valve (17) having two positions, a positionwhere switched discharge oil is continuously discharged in one direction, and a positionwhere the oil is alternately switched for discharging, wherein the discharge oil from thevibration mode switching valve (17) is supplied to either operating machine actuators (5,7, 9) or a vibrating actuator (30) so as to vibrate the operating machine (1a).

申请人：KOMATSU LTD.

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