| 摘要 |
PROBLEM TO BE SOLVED: To provide a belt tensioner device allowing installation of auxiliary machines at portions restricted in space, while simplifying a tension adjusting work, shortening adjusting work time and reducing cost, by adjusting tension of two belts by a single tensioner mechanism without extending the interval of the auxiliary machines each other. SOLUTION: A second belt 35 is laid over a pulley 11b for a compressor and a pulley 32b for an electric motor, of a pulley 24b for a second fixed displacement hydraulic pump, the pulley 11b for the compressor and the pulley 32b for the electric motor arranged in a substantially lateral row. A first belt 34 is laid over a pulley 31b for a AC generator forming a vertex of a triangle by the pulley 24b for the second fixed displacement hydraulic pump and the pulley 11b for the compressor. When tension of the second belt 35 and the first belt 34 is adjusted, tension of the first belt 34 is adjusted by rotating the AC generator 31 around a bolt 51, and tension of the second belt 35 is adjusted by moving the compressor 11 to a second fixed displacement hydraulic pump 24 side or an electric motor 32 side via the first belt 34. COPYRIGHT: (C)2003,JPO
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