| 摘要 |
PURPOSE:To enable sufficient power supply on a cross track by coupling a power supply truck with a carrying truck and feeding or winding power cable between the power supply truck and a power source when the carrying truck is traveling on a first track, while stopping the power supply truck and feeding or winding the power cable between the power supply truck and the carrying truck when the carrying truck is traveling on a second track. CONSTITUTION:When a carrying truck 4 travels on a track 1, a power supply truck 10 is coupled with a carrying truck 4. A cable 13 is fed out or wound through a reel 14 between the power supply truck 10 and a power source 12 as the carrying truck 4 moves. When the carrying truck 4 travels on the track 2 or 3, the power supply truck 10 and the carrying truck 4 are uncoupled and the power supply truck 10 is secured. A cable 18 is fed out or wound through a reel 19 between the carrying truck 4 and the power supply truck 10 as the carrying truck 4 moves. |
