| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler crane having excellent assembling performance, transport performance and work efficiency in a narrow space. SOLUTION: The crawler crane 1 includes: a lower traveling body 2 having a pair of right and left traveling crawlers 7; an upper turning body 3 mounted on the lower traveling body 2; a boom 4 mounted to a turning frame 6 of the upper turning body 3 toward the front side of the upper turning body 3 so as to enable rise/fall; and a support device 8 arranged on the front side of the turning frame 6 and capable of traveling to the turning direction together with the upper turning body 3 while supporting the upper turning body 3. The support device 8 includes: a support member 9 supporting the upper turning body 3; and a rotating device 10 connected to the support member 9 and having a supporting crawler 10a rotated in the turning direction. COPYRIGHT: (C)2012,JPO&INPIT |
