| 摘要 |
PROBLEM TO BE SOLVED: To allow a rope to be hung on a rope guide provided on the bottom of a boom in a storage posture from a comparatively low position on a carrier frame.SOLUTION: A bar type rope guide 3 to hang a rope 20 that is hung on a hook is arranged in a laterally projecting posture facing the outside in a boom width direction on the bottom of a boom in a boom storage posture, and an outer end 34c of the rope guide 3 is extended toward a boom base end side from the most front position on which a person standing on a carrier frame can ride to a position at which the person can hold and hang the rope 20 on the outer end 34c of the rope guide 3, so that the rope 20 is hung on the rope guide 3 from a comparatively low position on the carrier frame. In addition, an outer end side of the rope guide is inclined upward to automatically introduce the rope hung on the outer end part of the rope guide to the back side of the rope guide. |
