| 摘要 |
PROBLEM TO BE SOLVED: To provide an agricultural working vehicle that simply sets the position of a ground implement and corrects the unevenness of field surface in a leveling manner even in a hillside wherein the center of gravity of the agricultural working vehicle in a rolling direction is deviated and the ground implement is hardly set in parallel with a field surface. SOLUTION: The agricultural working vehicle is equipped with a setting means for setting a target relative angle between a tractor 1 and a rotary tilling apparatus 14 connected to the tractor 1 in a freely rolling manner, a memory storage 65 for storing the set value of the setting means, an angular velocity sensor 19 for detecting the change speed of the rolling angle of the tractor 1, an inclination sensor 16 for detecting the ground angle of the tractor 1, a controller 60 for controlling the target relative angle, a controller 60 for controlling the position of the rotary tilling apparatus 14. The controller 60 that calculates the target relative angle when the detected value of the angular velocity sensor 19 is in a fixed range calculates a separate value when the detected value of the ground angle of the tractor 1 is different in the inclination direction at the center of a standard starting point value. COPYRIGHT: (C)2009,JPO&INPIT
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