| 摘要 |
PROBLEM TO BE SOLVED: To improve the view field of a driver in a driving cabin 5 during road traveling, in a mobile crane. SOLUTION: The mobile crane comprises a truck 1 having a chassis, an upper part structure 2 capable of rotating about a rotary shaft 11 which is vertical on the truck 1, a boom 3 provided so as to rise and fall down from a rocking shaft 7 which is horizontal to the upper part structure 2, and the common driving cabin 5 for road traveling and crane operation. The driving cabin 5 is provided on the upper part structure 2 through an expanding/contracting cabin arm 6, and connected to the truck 1 so as to be released, in a service posture for the road traveling. COPYRIGHT: (C)2010,JPO&INPIT |
