| 摘要 |
A power supply device for a transfer vehicle is provided to reduce the construction cost by removing an additional work for adjusting the bottom level in consideration of an interval between the bottom surface of a working room and a pick up unit. A power supply device for a transfer vehicle comprises a power cable(3) buried in the bottom of a working room and a pick up unit(7) mounted at the lower portion of a transfer vehicle plate of the transfer vehicle corresponding to the power cable. The pick up unit is mounted through link units such that the pick up unit moves upward and downward between front and rear reinforcement frames(23) installed at the bottom surface of the transfer vehicle plate. Rollers are installed at two sides of the front and rear portions of the pick up unit, respectively, to constantly maintain an interval between the pick up unit and the bottom of the working room.
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