| 摘要 |
PROBLEM TO BE SOLVED: To provide a supporting device for working vehicle of anchoring a jack promptly, and supporting a vehicle body stably and firmly with wheels dynamically lifted off positively. SOLUTION: A dynamic lift off inclination angle storing means stores dynamic lift off inclination angleθ1, or the inclination angle of a vehicle body in which a pair of front wheels F on the side where an extended jack 15 is mounted are dynamically lifted off when a pair of front jacks 15 are extended, according to the inclination angle of the vehicle 11. When an anchor detecting means detects that all of a plurality of jacks 15, 16 are anchored, a jack extension control means inclines the vehicle 11 to a dynamic lift off inclination angleθstored in the dynamic lift off inclination angle storing means by extending the front jacks 15, and extends the respective jacks 15, 16 based on the inclination angle of the vehicle 11 detected by the inclination angle detecting sensor 19.
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