| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a crane device capable of hoisting electrical equipment to a sufficient height near an electrical equipment fitting body, even if the electrical equipment fitting body is fixed to a portion in the vicinity of an upper end of a pole, when the electrical equipment which is a heavy object is mounted to the electrical equipment fitting body, such as a crossarm, fixed on the pole or a building frame of a building. <P>SOLUTION: The crane device A1 assists work for hoisting the electrical equipment 8 when the electrical equipment 8 is mounted to the crossarms 90, 91 fixed on the pole. The crane device A1 includes: a beam member 1 having an eye bolt 10; a front support leg 2 and a rear support leg 4 which support the beam member 1; and attachment members 5, 5a mounting the front support leg 2, the rear support leg 4 and the beam member 1 to the crossarms 90, 91. A height of a pulley 6 mounted to the eye bolt 10 when the front support leg 2 and the beam member 1 are mounted to the crossarms 90, 91 is set to be a height capable of hoisting the electrical equipment 8 to the height of the crossarms 90, 91 by a wire rope 7. <P>COPYRIGHT: (C)2012,JPO&INPIT |
