| 摘要 |
PROBLEM TO BE SOLVED: To provide a shovel that can reduce power consumption when using a revolving motor as a revolving brake.SOLUTION: A shovel includes a revolving motor 21 that drives a revolving mechanism 2 to revolve, a first brake 20A that generates a revolving brake force by the revolving motor 21, and a second brake 23 that generates a revolving brake force independently of the first brake 20A. When the revolving mechanism 2 is in a revolving stop state or deceleration state, both of the first brake 20A and the second brake 23 are used. |
