| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply system for a crane hook part that allows reliable alignment of a power supply unit and a power reception unit.SOLUTION: A power supply system 1 for a crane hook part 3 supplies power to equipment provided in the crane hook part 3 of a crane 2. The power supply system 1 includes: a power supply unit 5 provided at an upper end 4a of a jib 4 of the crane 2; and a power reception unit 6 which is provided at a position overlapping with the power supply unit 5 in the crane hook part 3 in the vertical direction and is capable of receiving power from the power supply unit 5 when the crane hook part 3 is raised to come close to or in contact with a lower portion of the power supply unit 5. The power supply unit 5 is suspended and supported by a power supply part support member 7 rotatably supported in a vertical plane parallel to a vertical plane including a rotation direction of the jib 4 in the vicinity of the upper end part 4a of the jib 4. |
