| 摘要 |
A shovel according to an embodiment of the present invention has a main pump 14L for supplying working oil to hydraulic actuators 1A, 2A, 8, control valves 171L to 175L for controlling the flow of working oil between the main pump 14L and each of the hydraulic actuators 1A, 2A, 8, a reproducing oil channel 63c for enabling working oil to flow from a rod-side oil chamber of an arm cylinder 8 to a bottom-side oil chamber, a merging oil channel 24 in which working oil discharged by the main pump 14L and capable of flowing through a plurality of channels merges before reaching a working oil tank T when working oil passes through the reproducing oil channel 63c and flows from the rod-side oil chamber of the arm cylinder 8 to the bottom-side oil chamber, and an oil channel 25 capable of communicating the reproducing oil channel 63c with the merging oil channel 24. |
