Patent ID: 9698586
Date: 2017-07-04
CPC Classifications: B60L,E02F,H02G

Claim:
1. A power support system to an electric work machine comprising: two pole-attached cable relay carriages; and an electric work machine, wherein the pole-attached cable relay carriages are located in an operation site in which the electric work machine operates, wherein each of the pole-attached cable relay carriages comprises: wherein the electric work machine is configured to be driven by power supplied by the cable that is relayed by the pole-attached cable relay carriage, wherein the cable located between the two pole-attached cable relay carriages is bridged across the track and between the cable support poles of both of the pole-attached cable relay carriages, wherein the pole-attached cable relay carriage at a side of the electric work machine and the pole-attached cable relay carriage at a side of the external power source are located on opposite sides of the track of the dump truck, and the cable is bridged between the cable support poles across the track of the dump truck.