发明名称 SHOVEL AND SHOVEL CONTROL METHOD
摘要 A shovel according to an embodiment of the present invention is a shovel that performs excavation in accordance with a complex excavation operation that includes an arm closing operation or a bucket closing operation and a boom raising operation, and includes an excavation operation detection part (300) configured to detect that the complex excavation operation has been performed, a position detection part (301) configured to detect a position of the shovel; a maximum allowable pressure calculation part (302) configured to calculate a pressure of a rod-side oil chamber (7R) of a boom cylinder (7) corresponding to an excavation reaction force at a time when the shovel is lifted by the excavation reaction force as a first maximum allowable pressure (P BMAX ), based on the position of the shovel, and a boom cylinder pressure control part (303) configured to control the pressure of the rod-side oil chamber (7R) of the boom cylinder (7) not to exceed the first maximum allowable pressure (P BMAX ) when the complex excavation operation is performed.
申请公布号 EP2937475(A1) 申请公布日期 2015.10.28
申请号 EP20130864310 申请日期 2013.09.09
申请人 SUMITOMO (S.H.I.) CONSTRUCTION MACHINERY CO., LTD. 发明人 TSUKAMOTO, HIROYUKI
分类号 E02F9/24;E02F3/43;E02F9/20;E02F9/22;E02F9/26;F15B11/028 主分类号 E02F9/24
代理机构 代理人
主权项
地址