| 摘要 |
<p>An aerial lift vehicle is formed by a travelling body; a derrickably attached boom 30; a derricking cylinder for raising and lowering the boom 30; an arm 40, which is vertically swivel ably attached to the distal end of the boom 30; an arm swivelling cylinder, which swivels the arm 40 in the vertical direction relative to the boom 30; a platform 50, which is vertically swivel ably attached to the distal end of the arm 40; a platform swivelling cylinder, which swivels the platform 50 in the vertical direction relative to the arm 40; and levelling control means for carrying out control for maintaining the platform 50 in a horizontal state by preferentially actuating one of the arm swivelling cylinder and the platform swivelling cylinder over the other one of the arm swivelling cylinder and the platform swivelling cylinder in accordance with a derricking operation of the boom 30.</p> |
