The invention provides a distributed power assembly and an electric vehicle, the power assembly comprises a middle partition plate, two end plates and two speed reducers, each speed reducer is used for being in transmission connection with a motor, and a plurality of gear assemblies of one speed reducer are arranged between the middle partition plate and one end plate in the axial direction of the power assembly; each gear assembly comprises two bearings, a rotating shaft and a gear, the rotating shaft is rotationally connected to the middle partition plate and one end plate through the two bearings respectively, the middle partition plate and the end plate are used for fixing the two bearings respectively, the gear comprises two end faces, and the two end faces of the gear are opposite in the axial direction of the gear; at least one end face of the gear of one gear assembly comprises a groove structure, the caliber of a notch of the groove structure is larger than the outer diameter of one bearing, the groove structure is used for containing at least part of one bearing, the axial length of the bearing and the gear is reduced, then the axial length of the power assembly is reduced, the miniaturization design of the power assembly is achieved, and the power assembly is more compact. And the whole vehicle layout is optimized.
本申请提供一种分布式动力总成及电动车辆,动力总成包括中隔板、两个端板和两个减速器,每个减速器用于传动连接一个电机,沿动力总成的轴向一个减速器的多个齿轮组件排列于中隔板和一个端板之间,每个齿轮组件包括两个轴承、转轴和齿轮,转轴通过两个轴承分别转动连接于中隔板和一个端板,中隔板和一个端板分别用于固定两个轴承,齿轮包括两个端面,沿齿轮的轴向,齿轮的两个端面相背,其中,一个齿轮组件的齿轮的至少一个端面包括凹槽结构,凹槽结构的槽口口径大于一个轴承的外径,凹槽结构用于容纳一个轴承的至少部分,减小轴承与齿轮的轴向长度,进而减小动力总成的轴向长度,有利于实现动力总成的小型化设计,进而优化整车布局。
Distributed power assembly and electric vehicle
分布式动力总成及电动车辆
03.11.2023
Patent
Elektronische Ressource
Chinesisch
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 |
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