| 摘要 |
PROBLEM TO BE SOLVED: To attain compatibility of compactness of a jack device and lightening of weight of a vehicle body frame, by concurrently using an existing member as a jack support, in mobile crane provided with the jack device. SOLUTION: A jack receiving part 29 is provided in a lower end part of a torque rod support 28 in the nearest position to the center of the turn seat 4, of the torque rod support 28 corresponding to each axle 21 provided in vehicle body frame 11, a jack device 3 can be installed between this jack receiving part 29 and the ground surface G. By the constitution thus provided, height dimension of the jack device 3 can be decreased by a protruding amount of the torque rod support 28 from a lower surface side of the vehicle body frame 11, handling workability and reduction of a cost of this jack device 3 can be attained. By providing the jack receiving part 29 in the torque rod support 28, multi-functioning of this torque rod support 28 is promoted, lightening of weight and reduction of a cost of the vehicle body frame 11 can be attained as compared with in the case of providing an exclusive use jack support.
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