The invention discloses a transmission case assembly and a tractor. The transmission case assembly comprises an input shaft and bevel gear shafts arranged below the input shaft in parallel. The input shaft is sleeved with a first gear set, the front end of the input shaft is used for being connected with an external engine, and the rear end of the input shaft is connected with a power output mechanism used for outputting power to an external device. The bevel gear shaft is sleeved with a second gear set, the front end of the bevel gear shaft is fixed to the box shell, a driving bevel gear is formed at the rear end of the bevel gear shaft, and the driving bevel gear is meshed with a central driven bevel gear used for driving an external rear driving shaft. The transmission ratio of the input shaft to the driving bevel gear is changed by changing the meshing relation between the first gear set and the second gear set. The bevel gear shaft not only can transmit torque to the central driven bevel gear meshed with the bevel gear shaft, but also serves as a gear shaft for fixing the second gear set, and therefore layout can be optimized. And the central driven bevel gear is matched with an external rear driving shaft to transmit the torque to a rear axle mechanism of an external tractor, so that rear drive can be realized.

    本发明公开了一种传动箱总成及拖拉机,包括输入轴和平行排布于其下方的伞齿轴;输入轴上套装有齿轮组一,且其前端用于与外部发动机相连、后端连接有用于向外部装置输出动力的动力输出机构;伞齿轴上套装有齿轮组二,且其前端与箱壳固定、后端成型有主动伞齿,主动伞齿与用于驱动外部后驱动轴的中央被动伞齿啮合;通过改变齿轮组一中与齿轮组二的啮合关系,输入轴与主动伞齿的传动比随之改变。伞齿轴既能向与之啮合的中央被动伞齿传输扭矩,同时又充当了固定齿轮组二的齿轮轴,从而能够优化布局。且中央被动伞齿与外部后驱动轴相配合、将扭矩传递至外部拖拉机的后桥机构,从而能够实现后驱。


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    Titel :

    Transmission case assembly and tractor


    Weitere Titelangaben:

    一种传动箱总成及拖拉机


    Beteiligte:
    CHEN ZHENLIN (Autor:in) / LI JING (Autor:in) / ZHOU ZHI (Autor:in)

    Erscheinungsdatum :

    07.04.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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