| 摘要 |
PROBLEM TO BE SOLVED: To provide a climbing rack fit for a setting place of various shape and dimension arid for various tower cranes to be widely used under various conditions. SOLUTION: In the climbing rack, an outrigger 30 is detachably mounted on an outrigger storage part 19 formed inside a pair of bearing beams 1. The outrigger 30 is driven by a hydraulic cylinder 32 to be displaced along the longitudinal direction of the bearing beams 1. The projecting length of the outrigger 30 is adjustable as stoppers 45 and 46 mounted in the outrigger 30 and stoppers 47 and 48 detachably mounted in the bearing beams 1 are selectively engaged with each other. The bearing beams 1 have an outer frame 62, two partition boards set inside the outer frame 62, and reinforcing boards 63 set in an upper reinforcing board setting part 60 and a lower reinforcing board setting part 61 divided by partition boards 64.
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