发明名称 VIBRATING DEVICE FOR AN OPERATING MACHINE FOR A HYDRAULIC SHOVEL
摘要 The present invention relates to an operating machine vibrating device for a hydraulic excavator which can effectively perform vibrating operation such as digging work and rolling work, etc. To this end, the vibrating device comprises a rotary vibrating valve (15) for continuously switching pressure oil from a hydraulic source (10) for discharging, and a vibration mode switching valve (17) having two positions, a position where switched discharge oil is continuously discharged in one direction, and a position where the oil is alternately switched for discharging, wherein the discharge oil from the vibration 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). <IMAGE>
申请公布号 EP0785312(A4) 申请公布日期 1998.01.28
申请号 EP19950932957 申请日期 1995.10.03
申请人 KOMATSU LTD. 发明人 TOMITA, SHINJI
分类号 E02F3/40;E02F9/22;F15B21/12 主分类号 E02F3/40
代理机构 代理人
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