CN214112269U - Automobile driving system and automobile - Google Patents

Abstract

The utility model belongs to the technical field of the automobile transmission, a car actuating system and car is provided, this car actuating system includes hybrid transmission and electric drive, hybrid transmission includes engine, planet row, first motor, second clutch, stopper, second gear train and first differential mechanism, the ring gear is connected to the engine, the ring gear is connected to the first motor, the planet carrier passes through the second gear train and connects first differential mechanism, the sun gear is connected to one end of stopper, the other end of stopper connects a static part, the second clutch is connected between arbitrary two in sun gear, ring gear and planet carrier; the electric drive device comprises a second motor, a second differential and a third gear set, wherein the second motor is connected with the second differential through the third gear set. The application discloses automobile driving system can realize four-wheel drive.

Description

Automobile driving system and automobile

Technical Field

The utility model belongs to the technical field of the car transmission, especially, relate to an automobile driving system and car.

Background

With the increasing demand of environmental protection and national energy strategy for reducing petroleum import, the development of environment-friendly and energy-saving automobiles becomes the development direction of the automobile industry.

In energy-saving automobiles and new energy automobiles, the technical bottlenecks of long charging time and short driving mileage in winter of pure electric automobiles are not broken through yet. The cost of the hydrogen fuel cell vehicle is high, and the construction of the hydrogenation infrastructure needs time. The hybrid electric vehicle can realize energy conservation and emission reduction even by utilizing the existing energy charging facilities, and is a relatively practical and feasible solution at present, so that various large vehicle enterprises are launched or put into research and development of respective hybrid electric vehicle types.

The hybrid vehicle type realizes energy conservation, needs to have multiple working modes and is switched to the working mode with the best economy according to the actual conditions such as vehicle speed and the torque demand of the whole vehicle. Therefore, in order to achieve energy saving, it is necessary to design a hybrid transmission device having a plurality of operation modes.

The engine and the first motor are both connected with the planetary gear device, and the clutch gear device is arranged between the engine and the first motor. The planetary gear arrangement comprises a first rotating element, a second rotating element and a third rotating element having a rotating axle, the first motor being connected to the third rotating element or to the rotating axle. The clutch gear device includes a first clutch that connects the engine and the rotating axle, and a second clutch that connects the first rotating element and the third rotating element, or the second clutch connects the second rotating element and the third rotating element. The second motor and the first motor are arranged in parallel, the second motor is connected to the output end, and the final differential mechanism of the power is output to the front wheels or the rear wheels.

The hybrid transmission described above has a number of operating modes, but still suffers from the following disadvantages:

(1) only one differential is arranged, power can be output from only one of the front wheels or the rear wheels, and four-wheel drive cannot be realized.

(2) The hybrid power transmission device is provided with two motors and a planet row, and is large in size and not beneficial to arrangement of the whole vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the problems that the conventional hybrid power transmission device is only provided with one differential, power can be output from one front wheel or one rear wheel only, and four-wheel drive cannot be realized, the automobile driving system and the automobile are provided.

In order to solve the above technical problem, an embodiment of the present invention provides an automobile driving system, including a hybrid power transmission device and an electric driving device;

the hybrid power transmission device comprises an engine, a planet row, a first motor, a second clutch, a brake, a second gear set and a first differential mechanism, wherein the planet row comprises a sun gear, a gear ring, a planet carrier and a planet wheel;

the electric driving device comprises a second motor, a second differential and a third gear set, and the second motor is connected with the second differential through the third gear set;

one of the first differential and the second differential is connected with a front wheel, and the other one is connected with a rear wheel.

Optionally, the hybrid transmission further comprises a first clutch, the engine is connected with a first end of the first clutch, and a second end of the first clutch is connected with the ring gear.

Optionally, the hybrid transmission further comprises a first gear set, and the first motor is connected with the ring gear through the first gear set;

the first gear set comprises a first gear and a second gear which are meshed with each other, the second end of the first clutch is connected with the gear ring through a first shaft, the first gear is connected to the first shaft, and the second gear is connected to an output shaft of the first motor.

Optionally, the sun gear is sleeved on the first shaft, the output shaft of the engine, the first clutch, the first shaft, the sun gear and the first gear are coaxial, and the output shaft of the first motor is spaced from the first shaft in parallel.

Optionally, the second gear set includes a third gear, an intermediate shaft, a fourth gear and a fifth gear, a planet carrier gear is disposed on the planet carrier, the planet carrier gear is engaged with the third gear, the third gear and the fourth gear are disposed on the intermediate shaft at intervals, and the fifth gear is disposed on the first differential and engaged with the fourth gear.

Optionally, the electric drive device further comprises a third clutch, the output shaft of the second motor is connected to a first end of the third clutch, and a second end of the third clutch is connected to the second differential through the third gear set.

Optionally, the third gear set includes a second shaft, a sixth gear, a seventh gear, a third shaft, an eighth gear and a ninth gear, the second end of the third clutch is connected to one end of the first shaft, the sixth gear is connected to the other end of the second shaft, the seventh gear and the eighth gear are disposed on the third shaft at intervals, and the ninth gear is disposed on the second differential and is engaged with the eighth gear.

Optionally, the output shaft of the second motor, the third clutch and a second shaft are coaxial, and the second shaft is spaced parallel to the third shaft.

Optionally, the stationary component is a transmission housing or a first motor housing.

According to the utility model discloses vehicle drive system, the front wheel is connected to one of them of hybrid transmission's first differential mechanism and electric drive's second differential mechanism, and the rear wheel is connected to another. Therefore, the hybrid power transmission device drives one of the front wheels and the rear wheels through the first differential mechanism, the electric drive device drives the other of the front wheels and the rear wheels through the second differential mechanism, the power of the hybrid power transmission device and the electric drive device can be transmitted to the front wheels and the rear wheels to realize four-wheel drive, and the four-wheel drive has a plurality of gears to adapt to various road conditions. In addition, compared with the prior art, the hybrid power transmission device only adopts one motor (the first motor), the size of the hybrid power transmission device can be reduced, the structure of the hybrid power transmission device is simpler and more compact, and the whole vehicle arrangement is convenient.

Additionally, the embodiment of the utility model provides a still provide an automobile, it includes foretell car actuating system.

Drawings

Fig. 1 is a frame diagram of a hybrid transmission of an automobile drive system according to a first embodiment of the present invention;

fig. 2 is a frame diagram of an electric drive device of a vehicle drive system according to a first embodiment of the present invention;

fig. 3 is a lever diagram of a pure electric 1-gear mode of the vehicle drive system according to the first embodiment of the present invention;

fig. 4 is a lever diagram of a pure electric 2-gear mode of the vehicle drive system according to the first embodiment of the present invention;

fig. 5 is a lever diagram of a pure electric 3-gear mode of the vehicle drive system according to the first embodiment of the present invention;

fig. 6 is a lever diagram of a pure electric 4-gear mode of the vehicle drive system according to the first embodiment of the present invention;

fig. 7 is a lever diagram of a series hybrid mode of an automotive drive system according to a first embodiment of the present invention;

fig. 8 is a lever diagram of a parallel hybrid 1-shift mode of the vehicle drive system according to the first embodiment of the present invention;

fig. 9 is a lever diagram of a parallel hybrid 2-shift mode of the vehicle drive system according to the first embodiment of the present invention;

fig. 10 is a frame diagram of a hybrid transmission of a vehicle drive system according to a second embodiment of the present invention;

fig. 11 is a frame diagram of an electric drive device of a vehicle drive system according to a third embodiment of the present invention.

The reference numbers in the drawings of the specification are as follows:

100. a hybrid transmission;

1: an engine; 2: a planet row; 3: a first motor; 5: a first clutch; 6: a second clutch; 7: a brake; 8: a stationary member; 9: a sun gear; 10: a ring gear; 11: a planet carrier; 1101. a planet carrier gear; 12: a planet wheel; 13: a first shaft; 14: a first gear; 15: a second gear; 16: an output shaft of the first motor; 17: a third gear; 18: an intermediate shaft; 19: a fourth gear; 20: a fifth gear; 21: a first differential mechanism;

200. an electric drive;

4: a second motor; 22: a second shaft; 23: a sixth gear; 24: a seventh gear; 25: a third axis; 26: an eighth gear; 27: a ninth gear; 28: a second differential mechanism; 29: a third clutch; 30: an output shaft of the second motor.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

First embodiment

As shown in fig. 1 and 2, a first embodiment of the present invention provides an automotive drive system including a hybrid transmission 100 and an electric drive device 200.

The hybrid power transmission device 100 includes an engine 1, a planetary gear set 2, a first motor 3, a first clutch 5, a second clutch 6, a brake 7, a first gear set, a second gear set, and a first differential 21.

The planet row 2 comprises a sun gear 9, a gear ring 10, a planet carrier 11 and a planet gear 12, wherein the planet gear 12 is meshed between the gear ring 10 and the sun gear 9, and the planet gear 12 is rotatably supported on the planet carrier 11 through a pin shaft.

The engine 1 is connected the first end of first clutch 5, the second end of first clutch 5 is connected ring gear 10, first motor 3 passes through first gear train is connected ring gear 10, planet carrier 11 passes through second gear train is connected first differential mechanism 21, the one end of stopper 7 is connected sun gear 9, a static part 8 is connected to the other end of stopper 7, second clutch 6 is connected between arbitrary two in sun gear 9, ring gear 10 and planet carrier 11. In fig. 1, the second clutch 6 is connected, for example, between the sun gear 9 and the ring gear 10.

The electric driving device 200 comprises a second electric machine 4, a second differential gear 28, a third clutch 29 and a third gear set, wherein an output shaft 30 of the second electric machine 4 is connected with a first end of the third clutch 29, and a second end of the third clutch 29 is connected with the second differential gear 28 through the third gear set. One of the first differential 21 and the second differential 28 is connected to front wheels, and the other is connected to rear wheels.

The first gear set comprises a first gear 14 and a second gear 15 which are meshed with each other, the second end of the first clutch 5 is connected with the gear ring 10 through a first shaft 13, the first gear 14 is connected to the first shaft 13, and the second gear 15 is connected to an output shaft 16 of the first motor.

Preferably, the sun gear 9 is sleeved on the first shaft 13, the output shaft of the engine 1, the first clutch 5, the first shaft 13 and the first gear 14 are coaxially arranged, the sun gear (9) is sleeved on the first shaft (13), and the output shaft 16 of the first motor 3 is spaced from and parallel to the first shaft 13. The hybrid transmission 100 is made compact.

The second gear set includes a third gear 17, an intermediate shaft 18, a fourth gear 19 and a fifth gear 20, a planet carrier gear 1101 is disposed on the planet carrier 11, the planet carrier gear 1101 is meshed with the third gear 17, the third gear 17 and the fourth gear 19 are disposed on the intermediate shaft 18 at intervals, and the fifth gear 20 is disposed on the first differential 21 and is meshed with the fourth gear 19.

The third gear set includes a second shaft 22, a sixth gear 23, a seventh gear 24, a third shaft 25, an eighth gear 26 and a ninth gear 27, a second end of the third clutch 29 is connected to one end of the second shaft 22, the sixth gear 23 is connected to the other end of the second shaft 22, the seventh gear 24 and the eighth gear 26 are disposed on the third shaft 25 at intervals, and the ninth gear 27 is disposed on the second differential 28 and is engaged with the eighth gear 26.

Preferably, the output shaft of the second electric machine 4, the third clutch 29 and the second shaft 22 are coaxial, and the second shaft 22 is spaced in parallel from the third shaft 25. Making the electric drive 200 compact.

The stationary member 8 is a transmission housing or a first motor housing. However, other components within the vehicle that remain relatively stationary with respect to the vehicle body are also possible.

According to the first embodiment of the present invention, one of the first differential 21 of the hybrid transmission 100 and the second differential 28 of the electric drive device 200 is connected to the front wheels, and the other is connected to the rear wheels. Thus, the hybrid transmission 100 drives one of the front and rear wheels through the first differential 21, the electric drive 200 drives the other of the front and rear wheels through the second differential 28, the power of the hybrid transmission 100 and the electric drive 200 can be transmitted to the front and rear wheels to realize four-wheel drive, and the four-wheel drive has a plurality of gears to adapt to various road conditions. In addition, compared with the prior art, the hybrid power transmission device 100 only adopts one motor (the first motor 3), the size of the hybrid power transmission device 100 can be reduced, the structure of the hybrid power transmission device 100 is simpler and more compact, and the whole vehicle arrangement is convenient.

By controlling the engagement and disengagement of the first clutch 5 and the second clutch 6, and the locking (braking) and the unlocking (releasing the braking) of the brake 7, 7 gears of the hybrid transmission 100 can be achieved. As in table 1 below:

TABLE 1 Gear position of hybrid Transmission (first embodiment)

The combination of hybrid drive 100 and electric drive 200 allows 7 two-drive and 4 four-drive modes of operation of the vehicle drive system, as shown in table 2 below:

TABLE 2 working modes of the vehicle drive system (first embodiment)

Mode of operation	Gear of hybrid power transmission device	Third clutch
			Two-drive pure electric 1 gear	Pure electric 1 gear	Separation of
Two-drive pure electric 2-gear	Pure electric 2-gear	Separation of
			Two-drive pure electric 3-gear	Pure electric 3-gear	Bonding of
Two-drive pure electric 4-gear	Pure electric 4-gear	Bonding of
			Two-drive series hybrid	Series hybrid	Bonding of
Two-drive parallel hybrid 1 gear	Parallel hybrid 1 gear	Separation of
			Two-drive parallel hybrid 2-gear	Parallel hybrid 2-gear	Separation of
Four-wheel drive pure electric 1 gear	Pure electric 1 gear	Bonding of
			Four-wheel drive pure electric 2 gear	Pure electric 2-gear	Bonding of
Four-wheel drive parallel hybrid 1 gear	Parallel hybrid 1 gear	Bonding of
			Four-wheel drive parallel hybrid 2 gear	Parallel hybrid 2-gear	Bonding of

The implementation method of each working mode is as follows:

(1) electric-only 1-gear mode

Referring to fig. 3, in this mode, the brake 7 is locked, the first clutch 5 is disengaged, the second clutch 6 is disengaged, the engine 1 is not operated, and the output driving force of the first motor 3 is transmitted to the wheel (one of the front wheel and the rear wheel) through the first gear set, the ring gear 10, the carrier 11, the second gear set, and the first differential 21.

When the whole vehicle is in a two-drive pure electric 1-gear mode, the third clutch 29 is separated, and only the first motor 3 drives wheels; when the whole vehicle is in a four-wheel drive pure electric 1-gear mode, the third clutch 29 is combined, and the first motor 3 and the second motor 4 respectively drive the corresponding wheels (i.e. the first motor 3 drives one of the front wheels and the rear wheels, and the second motor 4 drives the other).

(2) Electric-only 2-gear mode

Referring to fig. 4, in this mode, the brake 7 is on, the first clutch 5 is off, the second clutch 6 is on, the engine 1 is not operated, and the output driving force of the first motor 3 is transmitted to the wheels through the first gear set, the planetary line 2 (the planetary line 2 rotates integrally), the second gear set, and the first differential 21.

When the whole vehicle is in the two-drive pure electric 2-gear mode, the third clutch 29 is separated, and only the first motor 3 drives the wheels; when the whole vehicle is in a four-wheel drive pure electric 2-gear mode, the third clutch 29 is combined, and the first motor 3 and the second motor 4 drive the corresponding wheels respectively.

(3) Pure electric 3-gear mode

Referring to fig. 5, in this mode, the brake 7 is on, the first clutch 5 is off, the second clutch 6 is off, and the third clutch 29 is on, and the engine 1 is not operated. The power for driving the wheels is provided only by the second electric machine 4, and the output driving force of the second electric machine 4 is transmitted to the wheels through the third gear set and the second differential 28.

That is, in this mode, there is only a two-drive electric-only 3-speed mode.

(4) Electric-only 4-gear mode

Referring to fig. 6, in this mode, the brake 7 is on, the first clutch 5 is engaged, the second clutch 6 is disengaged, and the third clutch 29 is engaged, and the engine 1 does not operate. The power for driving the wheels is provided by the second motor 4 only, and the output driving force of the second motor 4 is transmitted to the wheels through the third gear set and the second differential 28.

That is, in this mode, there is only a two-drive electric-only 4-speed mode.

(5) Series hybrid mode

Referring to fig. 7, in this mode, the brake 7 is opened, the first clutch 5 is engaged, the second clutch 6 is disengaged, and the third clutch 29 is engaged, the engine 1 operates and drives the first motor 3 to generate electricity, the power for driving the wheels is provided only by the second motor 4, and the output driving force of the second motor 4 is transmitted to the wheels through the third gear set and the second differential 28.

That is, in this mode, there is only a two-drive series hybrid mode.

(6) Parallel hybrid 1-gear mode

Referring to fig. 8, in this mode, the brake 7 is locked, the first clutch 5 is engaged, the second clutch 6 is disengaged, the engine 1 is operated, the power for driving the wheels is mainly provided by the engine 1, and the first electric machine 3 assists only when necessary. The engine 1 and the first motor 3 output driving force to be merged at the gear ring 10, and then transmitted to the wheels through the planet carrier 11, the second gear set and the first differential 21.

When the whole vehicle is in a two-drive parallel hybrid 1-gear mode, the third clutch 29 is separated, and only the engine 1 and the first motor 3 drive wheels; when the whole vehicle is in a four-wheel drive parallel hybrid 1-gear mode, the third clutch 29 is combined, and the engine 1, the first motor 3 and the second motor 4 drive wheels.

(7) Parallel hybrid 2-shift mode

Referring to fig. 9, in this mode, the brake 7 is released, the first clutch 5 is engaged, the second clutch 6 is engaged, the engine 1 is operated, the power for driving the wheels is mainly provided by the engine 1, and the first electric machine 3 assists only when necessary. The engine 1 and the first motor 3 output driving force to join at the ring gear 10, and then are transmitted to the wheels through the planetary row 2 (the planetary row 2 rotates integrally), the second gear set, and the first differential 21.

When the whole vehicle is in a two-drive parallel hybrid 2-gear mode, the third clutch 29 is separated, and only the engine 1 and the first motor 3 drive wheels; when the whole vehicle is in a two-drive parallel hybrid 2-gear mode, the third clutch 29 is combined, and the engine 1, the first motor 3 and the second motor 4 drive wheels.

Second embodiment

Fig. 10 is a block diagram of a hybrid transmission 100 of a vehicle drive system according to a second embodiment of the present invention. It differs from the first embodiment in that the first clutch 5 is omitted. I.e. the engine 1 is directly connected to the first shaft 13.

By controlling the engagement and disengagement of the second clutch 6, and the locking (braking) and the opening (releasing the braking) of the brake 7, 4 gears of the hybrid transmission 100 can be achieved. As in table 3 below:

TABLE 3 Gear position of the hybrid transmission (second embodiment)

By combining the hybrid drive 100 with the electric drive 200, 4 two-drive and 2 four-drive modes of operation of the vehicle drive system can be realized, as shown in table 4 below:

table 4 operation mode of automobile driving system (second embodiment)

Mode of operation	Gear of hybrid power transmission device	Third clutch
			Two-drive pure electric 4-gear	Pure electric 4-gear	Bonding of
Two-drive series hybrid	Series hybrid	Bonding of
			Two-drive parallel hybrid 1 gear	Parallel hybrid 1 gear	Separation of
Two-drive parallel hybrid 2-gear	Parallel hybrid 2-gear	Separation of
			Four-wheel drive parallel hybrid 1 gear	Parallel hybrid 1 gear	Bonding of
Four-wheel drive parallel hybrid 2 gear	Parallel hybrid 2-gear	Bonding of

Third embodiment

Fig. 11 is a block diagram of an electric drive device 200 of a vehicle drive system according to a third embodiment of the present invention. It differs from the first embodiment in that the third clutch 29 is omitted. That is, the second motor 4 is directly connected to the second shaft 22, and the output shaft 30 of the second motor 4 is integrated with the second shaft 22.

By combining the hybrid drive 100 with the electric drive 200, 3 two-drive and 4 four-drive modes of operation of the vehicle drive system can be realized, as shown in table 5 below:

TABLE 5 operating modes of the vehicle drive system (third embodiment)

Fourth embodiment

Fig. 11 is a block diagram of an electric drive device 200 of a vehicle drive system according to a fourth embodiment of the present invention. It differs from the second embodiment in that the third clutch 29 is omitted. That is, the second motor 4 is directly connected to the second shaft 22, and the output shaft 30 of the second motor 4 is integrated with the second shaft 22.

The combination of hybrid drive 100 and electric drive 200 allows 2 two-drive and 2 four-drive modes of operation of the vehicle drive system, as shown in table 6 below:

TABLE 6 working modes of automobile driving system (fourth embodiment)

Mode of operation	Gear of hybrid transmission 100
		Two-drive pure electric 4-gear	Pure electric 4-gear
Two-drive series hybrid	Series hybrid
		Four-wheel drive parallel hybrid 1 gear	Parallel hybrid 1 gear
Four-wheel drive parallel hybrid 2 gear	Parallel hybrid 2-gear

Additionally, an embodiment of the utility model also provides an automobile, its automobile driving system who includes above-mentioned embodiment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A vehicle drive system, comprising a hybrid transmission (100) and an electric drive (200);

the hybrid power transmission device (100) comprises an engine (1), a planet row (2), a first motor (3), a second clutch (6), a brake (7), a second gear set and a first differential (21), the planet row (2) comprises a sun gear (9), a gear ring (10), a planet carrier (11) and a planet gear (12), the engine (1) is connected with the gear ring (10), the first motor (3) is connected with the gear ring (10), the planet carrier (11) is connected with the first differential (21) through the second gear set, one end of the brake (7) is connected with the sun wheel (9), the other end of the brake (7) is connected with a static component (8), the second clutch (6) is connected between any two of the sun gear (9), the gear ring (10) and the planet carrier (11);

the electric drive device (200) comprises a second electric motor (4), a second differential (28) and a third gear set, wherein the second electric motor (4) is connected with the second differential (28) through the third gear set;

one of the first differential (21) and the second differential (28) is connected with front wheels, and the other is connected with rear wheels.

2. The vehicle drive system according to claim 1, characterized in that the hybrid transmission (100) further comprises a first clutch (5), the engine (1) being connected to a first end of the first clutch (5), a second end of the first clutch (5) being connected to the ring gear (10).

3. The vehicle drive system according to claim 2, characterized in that the hybrid transmission (100) further comprises a first gear set by which the first electric machine (3) is connected to the ring gear (10);

the first gear set comprises a first gear (14) and a second gear (15) which are meshed with each other, the second end of the first clutch (5) is connected with the gear ring (10) through a first shaft (13), the first gear (14) is connected to the first shaft (13), and the second gear (15) is connected to an output shaft (16) of the first motor.

4. The vehicle drive system according to claim 3, wherein the sun gear (9) is fitted over the first shaft (13), the output shaft of the engine (1), the first clutch (5), the first shaft (13) and the first gear (14) are coaxially arranged, the sun gear (9) is fitted over the first shaft (13), and the output shaft (16) of the first electric machine is spaced apart from and parallel to the first shaft (13).

5. The vehicle drive system according to claim 1, wherein the second gear set comprises a third gear (17), an intermediate shaft (18), a fourth gear (19) and a fifth gear (20), a planet carrier gear (1101) is arranged on the planet carrier (11), the planet carrier gear (1101) is meshed with the third gear (17), the third gear (17) and the fourth gear (19) are arranged on the intermediate shaft (18) at intervals, and the fifth gear (20) is arranged on the first differential (21) and is meshed with the fourth gear (19).

6. Automotive drive system according to claim 3, characterised in that the electric drive (200) further comprises a third clutch (29), the output shaft (30) of the second electric machine being connected to a first end of the third clutch (29), a second end of the third clutch (29) being connected to the second differential (28) via the third gear set.

7. The vehicle drive system according to claim 6, wherein the third gear set comprises a second shaft (22), a sixth gear (23), a seventh gear (24), a third shaft (25), an eighth gear (26) and a ninth gear (27), a second end of the third clutch (29) is connected to one end of the first shaft (13), the sixth gear (23) is connected to the other end of the second shaft (22), the seventh gear (24) and the eighth gear (26) are arranged on the third shaft (25) at intervals, and the ninth gear (27) is arranged on the second differential (28) and is meshed with the eighth gear (26).

8. The vehicle drive system according to claim 7, wherein the output shaft (30) of the second electric machine, the third clutch (29) and the second shaft (22) are coaxial, the second shaft (22) being spaced parallel to the third shaft (25).

9. Automotive drive system according to claim 1, characterised in that the stationary part (8) is a transmission housing or a first motor housing.

10. A vehicle comprising the vehicle drive system of any one of claims 1 to 9.

Images