The invention relates to a motor vehicle drive system (24) having an electromechanical energy converter as a drive motor (15) and having a traction transmission device for transmitting drive power to a motor vehicle axle drive, said traction transmission device having a traction transmission housing arrangement, a traction transmission drive shaft (1) is rotatably mounted in the traction transmission housing device, and the traction transmission drive shaft is connected to a drive motor (15) in a rotationally fixed manner or is selectively connected to the drive motor in a rotationally fixed manner; and a traction transmission intermediate shaft (4) which is rotatably mounted in the traction transmission housing arrangement and which is arranged axially parallel to the traction transmission drive shaft (1) and radially spaced apart from the traction transmission drive shaft (1); and a traction transmission output shaft (2) which is rotatably mounted in the traction transmission housing arrangement and which is arranged axially parallel to and radially spaced apart from the other two traction transmission shafts (1, 4); a traction transmission drive gear (19) is arranged on the traction transmission drive shaft (1), which traction transmission drive gear meshes with a first traction transmission intermediate gear (6) arranged on the traction transmission intermediate shaft (4), and a second traction transmission intermediate gear (20) is arranged on the traction transmission intermediate shaft (4), the second traction transmission intermediate gear meshes with a traction transmission driven gear (3) arranged on a traction transmission driven shaft (2), and the traction transmission housing arrangement has a traction transmission housing (13) and a traction transmission cover (14). The three traction transmission shafts (1, 2, 4) are each supported in the traction transmission housing arrangement by means of a fixed-floating bearing structure, and the bearing structures each have a fixed bearing for receiving an axial force and each have at least one floating bearing designed only for receiving a radial force, the three fixed bearings are arranged in the traction transmission cover (14), and at least three of the floating bearings are arranged in the traction transmission housing.
本发明涉及一种机动车驱动系统(24),所述机动车驱动系统具有作为驱动电机(15)的机电能量转换器和用于将驱动功率传递到机动车车桥驱动装置上的牵引变速器设备,所述牵引变速器设备具有牵引变速器壳体装置,并且在该牵引变速器壳体装置中以能转动的方式支承有牵引变速器驱动轴(1),所述牵引变速器驱动轴与驱动电机(15)不可相对转动地连接或者能选择性地不可相对转动地与其连接;并且具有牵引变速器中间轴(4),所述牵引变速器中间轴以能转动的方式支承在牵引变速器壳体装置中并且所述牵引变速器中间轴与牵引变速器驱动轴(1)轴线平行地且径向间隔开地布置;并且具有牵引变速器从动轴(2),所述牵引变速器从动轴以能转动的方式支承在牵引变速器壳体装置中并且所述牵引变速器从动轴与另外两个牵引变速器轴(1、4)轴线平行地且径向间隔开地布置;在牵引变速器驱动轴(1)上布置有牵引变速器驱动齿轮(19),所述牵引变速器驱动齿轮与布置在牵引变速器中间轴(4)上的第一牵引变速器中间齿轮(6)啮合,并且在牵引变速器中间轴(4)上布置有第二牵引变速器中间齿轮(20),所述第二牵引变速器中间齿轮与布置在牵引变速器从动轴(2)上的牵引变速器从动齿轮(3)啮合,并且牵引变速器壳体装置具有牵引变速器壳体(13)和牵引变速器盖(14),其特征在于,三个牵引变速器轴(1、2、4)分别利用固定‑浮动支承结构来支承在牵引变速器壳体装置中,并且这些支承结构分别具有用于接收轴向力的一个固定支承部并且分别具有仅设计用于接收径向力的至少一个浮动支承部,并且这三个固定支承部布置在牵引变速器盖(14)中,而所述浮动支承部中的至少三个浮动支承部布置在牵引变速器壳体中。
Rolling-bearing motor vehicle drive device
滚动支承的机动车驱动设备
2025-01-24
Patent
Electronic Resource
Chinese
ROLLING BEARING CAGE ROLLING BEARING AND ELECTRIC STEERING SYSTEM OF A MOTOR VEHICLE
European Patent Office | 2019