The invention relates to a speed reducer and a vehicle, and the speed reducer comprises a first input shaft which can rotate around a first axis; the mounting piece is fixedly mounted on the first input shaft; the differential gear is rotatably mounted on the mounting piece around the axis of the differential gear, and the axis of the differential gear is perpendicular to the first axis; the differential gear ring is arranged on the first input shaft in a sleeving mode, the inner ring of the differential gear ring is fixedly connected with the mounting piece so as to rotate around the first axis along with the mounting piece, and transmission teeth are arranged on the outer ring of the differential gear ring; and the second input shaft is in transmission connection with the transmission teeth of the differential gear ring. The power generated by the motor is used for driving the differential gear ring to rotate so as to drive the mounting piece to rotate, finally the differential gear is driven to revolve through the mounting piece, the power is transmitted to wheels of the middle axle and the rear axle through the revolution of the differential gear, and therefore the wheels on the middle axle and the rear axle can be driven to rotate at the same time. The energy utilization rate of the vehicle during pure electric driving is improved, and it is guaranteed that the vehicle can have enough power in a pure electric mode.

    本发明涉及一种减速器及车辆,包括:第一输入轴,绕第一轴线可转动;安装件,固定安装在第一输入轴上;差速齿轮,绕自身轴线可转动的安装在安装件上,差速齿轮的轴线与第一轴线垂直;差速齿圈,套设在第一输入轴上,且差速齿圈的内圈与安装件固定连接以随安装件绕第一轴线转动,差速器齿圈的外圈上设置有传动齿;第二输入轴,与差速齿圈的传动齿传动连接。电机产生的动力用于驱动差速齿圈转动,进而带动安装件转动,最后通过安装件来驱动差速齿轮公转,并通过差速齿轮的公转来将动力传递给中桥和后桥的车轮,从而能够同时驱动中桥和后桥上的车轮转动,提高了车辆在纯电行驶时的能量利用率,保证车辆在纯电模式下也能够具有足够的动力。


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    Titel :

    Speed reducer and vehicle


    Weitere Titelangaben:

    减速器和车辆


    Beteiligte:
    FENG TAO (Autor:in) / YAO LINZHE (Autor:in) / WANG LIANG (Autor:in)

    Erscheinungsdatum :

    2022-12-02


    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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