| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission device capable of preventing an operating lifetime from being shortened, and capable of improving working efficiency. SOLUTION: The power transmission device 100 transmits the power of an engine 8 having a crankshaft 31 disposed in a horizontal direction to a mowing machine 9 having an input shaft 12a disposed in a vertical direction and a rear axle drive unit 3 having an input shaft 4a. The power transmission device is equipped with a driving axle 120 disposed in parallel to the crankshaft 31, the first driven shaft 130 or the like disposed perpendicularly relative to the crankshaft 31, a belt mechanism 180 for transmitting the power of the crankshaft to the driving axle 120, bevel gears 160, 160 for transmitting the power of the driving axle 120 to the first driven shaft 130 and the second driven shaft 140, a belt mechanism 190 for transmitting the power of the first driven shaft 130 and the second driven shaft 140 to the input shaft 12a and the input shaft 4a, and a gearbox 110 which includes the driving axle 120 and the first driven shaft 130 and is attached on the body side of a working vehicle 1. COPYRIGHT: (C)2010,JPO&INPIT
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