POWER SUPPLY APPARATUS AND CRANE SYSTEM

摘要

PURPOSE: An electricity supplying device and a crane system are provided to supply electricity to a crane without the electric shock of an operator by installing an insulating cover. CONSTITUTION: An electricity supplying device comprises one or more current collectors and position adjusting part(30A). One or more current collectors supply electricity to a rechargeable battery which is installed in the crane. The current collector is installed on the side of the driving path of the crane and contacts with an opening which is formed on an insulating cover covering the feeding unit. The opening is formed on the area which reaches to both ends of the insulating cover from the bottom. The position adjusting part adjusts the location of the width direction meeting with the traveling direction of the crane at right angle.