PROBLEM TO BE SOLVED: To provide a configuration in which an engine cooling fan and a dust removing fan are replaced with one fan, and the cooling and dust removing action is performed by bringing the fan into the regular-reverse rotation drive in a simple configuration.SOLUTION: A motive part structure of a working vehicle is configured as follows: a radiator 13 is provided in the outside of an engine 11; a fan 12 is provided between the radiator 13 and the engine 11; a transmission mechanism K for switching the drive rotating direction of the fan 12 into the forward direction and the reverse direction is provided; a gear-box 22 shaft-mounted with an input shaft 23 where the rotation of the engine 11 is input is included in the transmission mechanism K; a first spur gear 30 fixed to the input shaft 23 and for use in the reverse rotation is engaged with a second spur gear 31 for outputting the reverse rotation to the fan 12 and fixed to a reversing shaft 32 in the gear-box 22; the gear-box 22 shaft-mounted with the input shaft 23 and the reversing shaft 32 is inclined and arranged in the side view of the vehicle body; and the input shaft 23 and the reversing shaft 32 are arranged in the outside of an opening of a shroud provided on the outer circumference of the fan 12.SELECTED DRAWING: Figure 4

    【課題】エンジン冷却用のファンと除塵用のファンを一つのファンに置換えて、冷却と除塵作用をシンプルな構成でファンを正逆転駆動させる構成を提供する。【解決手段】エンジン11の外側にラジエーター13を設け、ラジエーター13とエンジン11との間にファン12を設け、ファン12の駆動回転方向を正転方向と逆転方向に切換える伝動機構Kを設け、伝動機構Kには、エンジン11の回転が入力される入力軸23を軸装したギヤボックス22を備え、ギヤボックス22内において、入力軸23に固定した逆転用の第一平歯車30と、ファン12に逆回転を出力する逆転軸32に固定した第二平歯車31とを噛み合わせ、入力軸23と逆転軸32とを軸装したギヤボックス22を、車体の側面視で傾斜させて配置すると共に、ファン12の外周に設けたシュラウドの開口部の外側に入力軸23と逆転軸32とを配置させる。【選択図】図4


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    Title :

    MOTIVE PART STRUCTURE OF WORKING VEHICLE


    Additional title:

    作業車両の原動部構造


    Contributors:

    Publication date :

    2018-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    A01D Ernten , HARVESTING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL



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