The invention provides a differential mechanism and direct drive motor integrated rear axle assembly which comprises a direct drive motor and a differential mechanism, the direct drive motor comprisesa shell, a stator and a rotor which are sequentially arranged from inside to outside, the differential mechanism and direct drive motor integrated rear axle assembly is characterized in that the rotor comprises rotor magnetic steel, rotor silicon steel sheet laminations and a rotor shaft, and the rotor shaft is a hollow shaft; the hollow shaft is also used as a retainer of the differential mechanism; the differential mechanism comprises a planetary gear, a left differential gear and a right differential gear, the left differential gear and the right differential gear are located on the left side and the right side of the planetary gear respectively and meshed with the planetary gear, and the left differential gear and the right differential gear are used for being connected with half shafts respectively. According to the invention, a gear box and a differential mechanism shell are removed, structure is simple and compact, transmission efficiency is high, noise is low, overall size ofan axle is reduced, manufacturing is easier, and cost is lower.
本发明提供了一种差速器与直驱电机一体的后桥总成,包括直驱电机和差速器,所述直驱电机包括自内而外顺序设置的外壳、定子和转子,其特征在于,所述转子包括转子磁钢、转子硅钢片叠片以及转子轴,所述转子轴设为中空轴,所述中空轴同时作为所述差速器的保持架;所述差速器包括行星齿轮、左差速齿轮和右差速齿轮,所述左差速齿轮和右差速齿轮分别位于所述行星齿轮的左右两侧且均与所述行星齿轮相啮合,所述左差速齿轮和右差速齿轮分别用于连接一个半轴。本直驱电机总成的差速器和电机为一体式结构,它省去了齿轮箱和差速器外壳,结构简单紧凑,传动效率高,噪音小,车桥整体体积缩小,制造更加简单,成本更低。
Differential mechanism and direct drive motor integrated rear axle assembly
一种差速器与直驱电机一体的后桥总成
2020-11-03
Patent
Elektronische Ressource
Chinesisch
Differential mechanism and direct drive motor integrated rear axle assembly
Europäisches Patentamt | 2021
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