| 摘要 |
Disclosed is a crane and a tractor used at a container base of a harbor or a container terminal, and more particularly, a charging system in which a power supplying device capable of supplying power in a contactless fashion is installed at the crane and a power collecting device capable of receiving power from the power supplying device is installed at the tractor, so that the tractor receives power from the power supplying unit installed at the crane while performing lifting or landing works below the crane to charge power required for movement of the tractor. |
