REGENERATIVE HYDRAULIC CIRCUIT FOR A SHOVEL AND METHOD FOR CONTROLLING A SHOVEL

摘要

A shovel according to an embodiment of the present invention is a shovel including a boom cylinder 7 and an arm cylinder 8. The shovel includes a hydraulic motor 310 driven by hydraulic oil flowing out of the boom cylinder 7, a regenerating oil passage C4 configured to supply the hydraulic oil flowing out of the boom cylinder 7 to the hydraulic motor 310, a reusing oil passage C3 configured to supply the hydraulic oil flowing out of the boom cylinder 7 to the arm cylinder 8, and a reusing flow control valve 321 configured to control a flow rate of hydraulic oil flowing in the reusing oil passage C3.