Transmission device for hybrid vehicle

文档序号:310306 发布日期:2021-11-26 浏览:44次 中文

阅读说明:本技术 用于混合动力车辆的变速器装置 (Transmission device for hybrid vehicle ) 是由 F·库特尔 M·霍恩 J·卡尔滕巴赫 S·贝克 T·马丁 U·格里斯迈尔 于 2020-03-04 设计创作,主要内容包括:本发明涉及一种用于混合动力车辆的变速器装置(1),混合动力车辆具有相对于混合动力车辆的行驶方向横向地布置的动力传动系,变速器装置包括:变速器壳体(G);第一电动机器和第二电动机器(2a,2b);驱动轴(3),驱动轴被设置成用于与燃烧发动机(4)操作性连接;差速器(5),差速器被设置成用于与第一从动轴和第二从动轴(6a,6b)操作性连接;以及行星齿轮变速器(7),其中中间轴(8)有效地被布置在行星齿轮变速器(7)与差速器(5)之间的功率流中,其中第一电动机器(2a)与驱动轴(3)共轴地布置,第二电动机器(2b)与驱动轴(3)轴线平行地布置并且藉由链传动装置或正齿轮传动装置(10)与驱动轴(3)操作性连接,变速器壳体(G)具有发动机侧的、中部的和车轮侧的壳体区段(G1,G2,G3),此外,第一电动机器(2a)被布置在车轮侧的壳体区段(G3)中,并且第二电动机器(2b)被布置在中部的壳体区段(G2)中。此外,本发明还涉及一种用于混合动力车辆的驱动装置,驱动装置包括燃烧发动机(4)以及这样的变速器装置(1)。(The invention relates to a transmission device (1) for a hybrid vehicle having a drive train arranged transversely with respect to the driving direction of the hybrid vehicle, comprising: a transmission case (G); first and second electric machines (2a, 2 b); a drive shaft (3) arranged for operative connection with a combustion engine (4); a differential (5) arranged for operative connection with the first and second driven shafts (6a, 6 b); and a planetary gear (7), wherein the intermediate shaft (8) is arranged in the power flow between the planetary gear (7) and the differential (5), wherein the first electric machine (2a) is arranged coaxially to the drive shaft (3), the second electric machine (2b) is arranged axially parallel to the drive shaft (3) and is operatively connected to the drive shaft (3) by means of a chain drive or spur gear (10), the transmission housing (G) has an engine-side, a central and a wheel-side housing section (G1, G2, G3), furthermore, the first electric machine (2a) is arranged in the wheel-side housing section (G3), and the second electric machine (2b) is arranged in the central housing section (G2). The invention further relates to a drive device for a hybrid vehicle, comprising a combustion engine (4) and such a transmission device (1).)

1. A transmission arrangement (1) for a hybrid vehicle having a powertrain arranged transversely with respect to a direction of travel of the hybrid vehicle, the transmission arrangement comprising: a transmission case (G); first and second electric machines (2a, 2 b); a drive shaft (3) arranged for operative connection with a combustion engine (4); a differential (5) arranged for operative connection with first and second driven shafts (6a, 6 b); and a planetary gear transmission (7), wherein an intermediate shaft (8) is arranged effectively in the power flow between the planetary gear transmission (7) and the differential (5), wherein the first electric machine (2a) is arranged coaxially with the drive shaft (3), wherein the second electric machine (2b) is arranged axially parallel to the drive shaft (3) and is operatively connected to the drive shaft (3) by means of a chain or spur gear transmission (10), wherein the transmission housing (G) has engine-side, central and wheel-side housing sections (G1, G2, G3), wherein the first electric machine (2a) is arranged in the wheel-side housing section (G3), and wherein the second electric machine (2b) is arranged in the middle housing section (G2).

2. Transmission device (1) according to claim 2, characterised in that the chain or spur gear transmission (10) is arranged in the central housing section (G2), wherein the rotor shaft (R2) of the second electric machine (2b) is arranged in the central housing section (G2) and is designed axially in the direction of the wheel-side housing section (G3).

3. Transmission device (1) according to claim 2, characterised in that the chain or spur gear transmission (10) is arranged in the wheel-side housing section (G3), wherein the rotor shaft (R2) of the second electric machine (2b) is arranged radially adjacent to the first electric machine (2a) and is axially guided along the entire length of the first electric machine (2 a).

4. Transmission device (1) according to any of the preceding claims, characterized in that the second electric machine (2b) is adjacent to the first electric machine (2a) at an end side, wherein a radial distance between the drive shaft (3) and an outer contour of the first electric machine (2a) is larger than a minimum radial distance between the drive shaft (3) and an outer contour of the second electric machine (2 b).

5. A transmission arrangement (1) according to any one of the preceding claims, characterised in that the intermediate shaft (8) has at least two gears (8a, 8b), wherein at least a first gear (8a) meshes with a toothing (15a) on the driven shaft (15) of the planetary transmission (7) and wherein at least a second gear (8b) meshes with a toothing (5a) on the differential (5), and wherein the intermediate shaft (8) is arranged axially in the central housing section (G2).

6. A transmission arrangement (1) according to any one of the preceding claims, characterised in that the planetary transmission (7) is arranged radially at least partially within the first electric machine (2 a).

7. A transmission arrangement (1) according to any one of the preceding claims, characterised in that the planetary transmission (7) has at least a second planetary gear set (9a, 9b), wherein the first planetary gear set (9a) has a first sun gear (11a), a first ring gear (12a) and a plurality of first planet gears (14a) rotatably supported on a first planet carrier (13a), wherein the second planetary gear set (9b) has a second sun gear (11b), a second ring gear (12b) and a plurality of second planet gears (14b) rotatably supported on a second planet carrier (13 b).

8. Transmission device (1) according to any one of the preceding claims, characterized in that said differential (5) is designed as a bevel gear differential.

9. Transmission device (1) according to any of the preceding claims, characterized in that the first rotor shaft (R1) of the first electric machine (2a) rotates around a first rotation axis (D1), wherein the second rotor shaft (R2) of the second electric machine (2b) rotates around a second rotation axis (D2), wherein furthermore the intermediate shaft (8) rotates around a third rotation axis (D3), and wherein the two driven shafts (6a, 6b) of the differential (5) rotate around a fourth rotation axis (D4).

10. Transmission device (1) according to claim 9, characterised in that the second axis of rotation (D2) is spatially arranged above the first axis of rotation (D1) and behind the first axis of rotation, wherein the third axis of rotation (D3) and the fourth axis of rotation (D4) are spatially arranged below the first axis of rotation (D1) and behind the first axis of rotation, and wherein the third axis of rotation (D3) is spatially arranged below the fourth axis of rotation (D4) and in front of the fourth axis of rotation.

11. Transmission device (1) according to claim 9, characterised in that the second axis of rotation (D2) is spatially arranged above the first axis of rotation (D1) and in front of the first axis of rotation, wherein the third axis of rotation (D3) and the fourth axis of rotation (D4) are spatially arranged below the first axis of rotation (D1) and behind the first axis of rotation, and wherein the third axis of rotation (D3) is spatially arranged below the fourth axis of rotation (D4) and in front of the fourth axis of rotation.

12. Transmission device (1) according to claim 9, characterised in that the second axis of rotation (D2) is arranged spatially above the first axis of rotation (D1) and in front of the first axis of rotation, wherein the third axis of rotation (D3) is arranged spatially above the first axis of rotation (D1) and behind the first axis of rotation, wherein furthermore the fourth axis of rotation (D4) is arranged spatially below the first axis of rotation (D1) and behind the first axis of rotation, and wherein the third axis of rotation (D3) is arranged spatially above the fourth axis of rotation (D4) and in front of the fourth axis of rotation.

13. Transmission device (1) according to claim 9, characterised in that the second axis of rotation (D2) is arranged spatially below the first axis of rotation (D1) and in front of the first axis of rotation, wherein the third axis of rotation (D3) is arranged spatially above the first axis of rotation (D1) and behind the first axis of rotation, wherein furthermore the fourth axis of rotation (D4) is arranged spatially below the first axis of rotation (D1) and behind the first axis of rotation, and wherein the third axis of rotation (D3) is arranged spatially above the fourth axis of rotation D4 and in front of the fourth axis of rotation.

14. A drive arrangement for a hybrid vehicle, the drive arrangement comprising a combustion engine (4) and a transmission arrangement (1) according to any one of claims 1-13.

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