| 摘要 |
PROBLEM TO BE SOLVED: To provide an efficient working method and an efficient working machine. SOLUTION: A crawler crane support device 40 is mounted to a crawler crane 1 carried to a working site and mounted to a trailer 61. The crawler crane support device 40 is mounted in a state of being stretched to the periphery of the crawler crane 1. The fixing of a rear deck 61f to the crawler crane 1 is released, and hydraulic pipes not shown are connected to each hydraulic cylinder and pressure oil is supplied from the crawler crane 1 thereto to extend the cylinder rod of each hydraulic cylinder 42. By this, the crawler crane 1 is raised from the rear deck 61f of the trailer 61. A boom 4 and a counterweight 7 are mounted to a revolving body 2, and a main rope 13 is wrapped around so that a cargo handling operation can be performed. COPYRIGHT: (C)2007,JPO&INPIT
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