COMMUNICATION DEVICE FOR CONTAINER CRANE

摘要

PROBLEM TO BE SOLVED: To perform communications between a cab and electric room of a container crane stably at low cost. SOLUTION: This communications device for the container crane 10 makes communications by connecting a stationary station side communication device 2 in an electric room 11 installed in the body of container crane 10 to a mobile station side communications device 1 in a cab 12 installed in a trolley through a non-contact type electromagnetic coupling part 7 which is formed from a stationary cable 3 arranged in the longitudinal direction of a crane girder 13 and a moving coil 5 installed at the trolley movable in proximity to the stationary cable 3. One terminal 2a of the stationary side device 2 is connected with the land side end 3g of the stationary cable 3 while the other terminal 2b of the device 2 is grounded to the crane girder, and the sea side end 3h of the cable 3 is grounded to the crane girder 13.