| 摘要 |
PROBLEM TO BE SOLVED: To simplify construction and prevent shift shock and hydraulic motor load release. SOLUTION: The plural hydraulic motors and a clutch controller is provided with a second hydraulic motor 2 constantly connected a drive shaft 3, a variable capacity type first hydraulic motor 1 connected to the drive shaft 3 through a clutch 4, a tilt control means 5, 6 making the discharge capacity (cc/rev) of a first hydraulic motor 1 variable by means of controlling the tilting amount of the hydraulic motor 1 by receiving drive side oil pressure driving the first hydraulic motor 1, and a tilt fixing means 10 fixing the tilt amount of the first hydraulic motor 1 by tilt control means 5, 6. |
