公开(公告)号：EP3437907A1

公开(公告)日：2019-02-06

申请号：EP17203741.8

申请日：2017-11-27

申请人： Zhejiang Linix Motor Co., Ltd.

发明人： Shentu, Jun

IPC分类号： B60K1/00 ,  B60K17/16 ,  F16H48/08 ,  F16H57/04

摘要： The present invention discloses a heavy-duty drive axle comprising a reduction gearbox and a drive motor; a differential case is provided within the reduction gearbox; a motor output shaft of the drive motor is linked with a first output shaft and a second output shaft via the differential case; the differential case consists of a differential holder, a connecting pole, a linkage gear and four bevel gears; each bevel gear is meshed with two bevel gears; the bevel gears comprise a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, the first bevel gear and the second bevel gear are arranged oppositely, and the third bevel gear and the fourth bevel gear are arranged oppositely and sheathed on the connecting pole; the connecting pole is fixed with the differential holder; a cavity is formed within the differential holder; a through hole for fitting with the connecting pole is formed on each of an upper side and a lower side of the differential holder, and a third shaft hole and an opening are separately formed on a left side and a right side of the differential holder; the linkage gear is fixed at the opening of the differential holder; and the motor output shaft is linked with the linkage gear.