PROBLEM TO BE SOLVED: To provide a posture controlling device for a combine harvester in which a mechanism including a hydraulic cylinder used for horizontal control of a machine body is compactly arranged in the machine body.SOLUTION: Lifting arms 19, 24, 26 turning around shaft parts 17, 22 and lifting and lowering a truck frame 10, operating arms 18, 23 turning the shaft parts 17, 22 and operating the lifting arms 19, 24, 26 are secured in the same direction of the longitudinal direction of a machine body in the shaft parts 17, 22 arranged in a right and left direction of the machine frame in the machine frame 2, the lengths F1, R1 of the operating arms 18, 23 from the shaft parts 17, 22 to the same direction are set not longer than the lengths F2, R2 of the lifting arms 19, 24, 26 from the shaft parts 17, 22 to the same direction, hydraulic cylinders 28, 29 protruding and retracting piston rods 28a, 29a downward over the operating arms 18, 23 and the machine frame 2 and turning the operating arms 18, 23 around the shaft parts 17, 22 are arranged in a vertical direction.COPYRIGHT: (C)2013,JPO&INPIT【課題】本発明は、機体の水平制御に用いられる油圧シリンダを含む機構を機体に対してコンパクトに配置するコンバインの姿勢制御装置を提供する。【解決手段】機体フレーム2において機体左右方向に配置される軸部17,22に、当該軸部17,22周りに回動しトラックフレーム10を昇降操作する昇降アーム19,24,26と、軸部17,22を回動させて昇降アーム19,24,26を操作する操作アーム18,23とを機体前後のうちの同方向に取り付け、軸部17,22から同方向への操作アーム18,23の長さF1,R1を軸部17,22から同方向への昇降アーム19,24,26の長さF2,R2以下に設定するとともに、操作アーム18,23と機体フレーム2に亘ってピストンロッド28a,29aを下方に出退させて操作アーム18,23を軸部17,22周りに回動させる油圧シリンダ28,29を鉛直方向に配置した。【選択図】図4
