| 摘要 |
PROBLEM TO BE SOLVED: To prevent power supply cables from getting entangled with each other when storing power supply cables in a cable storage basket.SOLUTION: In a power supply device of a crane that installs a cable storage basket 19 that stores power supply cables 9 in a hanger hung from a trolley on a crane, and with the ascent or descent of the hanger, stores the power supply cables in the cable storage basket or pays out the power supply cables from the cable storage basket, a ring-shaped roller bracket 27 having a roller 34 group for a power supply cable guide is rotatably installed right above the cable storage basket 19. |
