POWER SUPPLYING EQUIPMENT FROM ELECTRIC SUPPLY NETWORK FOR RUBBER-TIRED CRANE IN PORT

A power supplying equipment from electric supply network for rubber-tired gantry crane in port, which includes an electric cable (1) connecting with the electrical supply network and an electric power system of the rubber-tired gantry crane, wherein the cable (1) spans over the rubber-tired gantry crane (5) overhead by electric wire poles or towers (2), the height of the cable is higher than the height of the transport vehicle (6), the slide conductor (3) which can contact electrically with the cable is provided on the electric cable movably, the slide conductor (3) connects with the electric power system of the rubber-tired gantry crane by the conducting wire. Using said equipment, the rubber-tired gantry crane can obtain the electric energy via the electric power supplying network so as to load or unload the containers; the movement of the traveling gear of the rubber-tired gantry crane does not require specially straightly; and the equipment can be mounted on the space and area near the container stacking yard easily, no special requirement for the yard; and it is also easy for the rubber-tired gantry crane to transfer the yard.