PROBLEM TO BE SOLVED: To provide a drive unit structure of a work vehicle that has high suction capability of a radiator fan and high exhaust capability of a dust exhaust fan, suppresses overheat of an engine, and facilitated in maintenance and inspection work.SOLUTION: The drive unit structure of a work vehicle includes: a first shaft 24 which is a rotation shaft of a cooling fan 20 and has a second pulley 23 at the end part thereof on an engine side; a second shaft which is a rotation shaft of the dust exhaust fan 30, has a fourth pulley 33 at the end part thereof on the engine side and is arranged coaxially with the first shaft 24; a bracket 140 for supporting the first shaft 24 and the second shaft so as to be rotatable, where the bracket 140 is arranged between the second pulley 23 and the fourth pulley 33 in a shaft center direction of the first shaft 24.
【課題】ラジエータファンの吸入能力と排塵ファンの排気能力が高く、エンジンのオーバヒートを抑制し、保守・点検作業が容易な作業車両の原動部構造を提供する。【解決手段】冷却ファン20の回転軸であり、エンジン側の端部に第2プーリ23を有する第1軸24と、排塵ファン30の回転軸であり、エンジン側の端部に第4プーリ33を有すると共に第1軸24と同一軸心上に配置される第2軸と、第1軸24及び第2軸を回転自在に支持するブラケット140とを備え、ブラケット140が、第1軸24の軸心方向において、第2プーリ23と第4プーリ33の間に配置されることにより解決される。【選択図】図12
DRIVE UNIT STRUCTURE OF WORK VEHICLE
作業車輌の原動部構造
2016-01-21
Patent
Electronic Resource
Japanese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / A01D Ernten , HARVESTING / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL |
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