Hybrid power driving system and vehicle

Abstract

The utility model provides a hybrid power drive system and a vehicle, the hybrid power drive system comprises a transmission, an engine and a first motor, the transmission comprises an input shaft, an output shaft and a plurality of shift gear trains, a synchronizer is arranged on the input shaft and / or the output shaft, the synchronizer is selectively connected with the corresponding shift gear trains, and the first motor is connected with the first motor. The input shaft and the output shaft can be in transmission connection through the first-gear gear train, and the first-gear gear train comprises a first driven gear arranged on the output shaft in an empty sleeving mode; the engine is directly connected with the input shaft, a power output shaft of the first motor is hollowly sleeved on the output shaft and is directly connected with the first driven gear, and the output shaft is used for being in transmission connection with the differential mechanism. The hybrid power driving system is light in overall weight, low in cost, compact in structure and convenient to arrange on a whole vehicle, and an engine independent driving mode, an engine and first motor common driving mode and a power generation mode that the engine provides power for the first motor to enable the first motor to generate power can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle power systems, and in particular to a hybrid power drive system. Meanwhile, the utility model also relates to a vehicle using the hybrid power drive system. Background Art

[0002] Hybrid electric vehicles, as a new energy vehicle technology, have a drive system composed of two or more single drive systems that can operate simultaneously. Hybrid electric vehicles (HEV) refer to vehicles whose vehicle drive system is composed of two or more single drive systems that can operate simultaneously.

[0003] The hybrid drive system mainly includes engine, motor, transmission, drive shaft, differential and wheels. The engine and / or motor generate power, which is adjusted by the transmission to adjust the speed and torque, and then transmitted to the differential through the drive shaft, and finally drives the wheels to rotate.

[0004] In existing hybrid drive systems, a clutch is usually set between the engine and the transmission. The clutch is a mechanical device that is mainly used to separate and connect two shafts, thereby transmitting power and protecting mechanical parts. When the motor is set, a gear is usually set on the output shaft of the motor, and the gear is directly connected to the gear, or the gear is connected to the input shaft or output shaft with the help of a gear train. The overall structure is heavy and the cost is high. Utility Model Content

[0005] In view of this, the utility model aims to provide a hybrid power drive system to help reduce the total weight of the drive system and reduce production costs.

[0006] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0007] A hybrid drive system includes a transmission, an engine and a first motor connected to the transmission;

[0008] The transmission comprises an input shaft, an output shaft, and a plurality of gear trains; the input shaft and / or the output shaft are provided with synchronizers corresponding to the gear trains, and the synchronizers are selectively connected to the corresponding gear trains, so that the input shaft and the output shaft are in driving connection;

[0009] The engine is connected to the input shaft;

[0010] The gear train includes a first driven gear which is loosely sleeved on the output shaft, and a power output shaft of the first motor is loosely sleeved on the output shaft and directly connected to the first driven gear;

[0011] The output shaft is used for driving connection with the differential.

[0012] Furthermore, the input shaft and the output shaft are connected via a power transmission assembly, the power transmission assembly comprising a third driving gear loosely sleeved on the input shaft, and a third driven gear fixedly mounted on the output shaft, the third driving gear and the third driven gear being meshed and connected;

[0013] The hybrid power drive system further includes a second motor, a power output shaft of the second motor is loosely sleeved on the input shaft and is directly connected to the third driving gear.

[0014] Further, the second motor is located between the gear train and the power transmission assembly;

[0015] Along the length direction of the input shaft, the first motor and the second motor are located at the same length direction position.

[0016] Furthermore, the engine and the first motor are arranged close to two sides of the transmission respectively;

[0017] The first motor is located between the range gear train and the power transmission assembly.

[0018] Furthermore, the transmission ratios of the plurality of gear trains are different.

[0019] Furthermore, the input shaft is provided with a first driving gear, the first driving gear is meshed and connected with the first driven gear, and the first driving gear and the first driven gear constitute one of the gear trains;

[0020] Another gear train includes a second driving gear disposed on the input shaft and a second driven gear loosely sleeved on the output shaft;

[0021] The synchronizer is located between the first driven gear and the second driven gear and is provided on the output shaft. The synchronizer can selectively connect the first driven gear or the second driven gear.

[0022] Furthermore, the output shaft is provided with a first output gear, and the first output gear is meshed and connected with the input gear of the differential;

[0023] The first output gear is arranged on a side of the output shaft close to the engine.

[0024] Furthermore, it also includes a third motor, and the power output shaft of the third motor is drivingly connected to the differential through a power transmission unit.

[0025] Further, the power transmission unit includes an intermediate shaft, a fourth driving gear provided on the power output shaft of the third motor, a fourth driven gear provided on the intermediate shaft and a second output gear;

[0026] The fourth driving gear is meshed and connected with the fourth driven gear, and the second output gear is meshed and connected with the input gear of the differential.

[0027] Compared with the prior art, the utility model has the following advantages:

[0028] The hybrid power drive system described in the utility model omits the clutch compared to the existing structure, and has a lighter overall weight, lower cost, compact structure, and is convenient for arrangement on the entire vehicle. It can also realize an engine-only drive mode, an engine and first motor co-drive mode, and a power generation mode in which the engine provides power to the first motor and the first motor generates electricity.

[0029] In addition, a power transmission assembly is provided between the input shaft and the output shaft, and a second motor is arranged. The power output shaft of the second motor is loosely sleeved on the input shaft and connected to the third driving gear. On the basis of compact structure, the second motor can cooperate with the first motor to drive the vehicle together, and when the engine and the first motor are driven together, the second motor can be used for power generation, or cooperate with the engine and the first motor to achieve the three-way driving together. The second motor is located between the gear train and the power transmission assembly, and the first motor and the second motor are located at the same length direction position of the same input shaft length direction, so that the power drive system structure is more compact, occupies less space, and is convenient for arrangement on the vehicle.

[0030] In addition, the engine and the first motor are arranged on both sides of the transmission, and the first motor 2 is arranged between the gear train and the power transmission component, which is more convenient to arrange on the vehicle. The transmission ratios of the multiple gear trains are different, and a variety of different speed ratios can be achieved, which is convenient for the driver to choose a suitable vehicle speed and is conducive to improving the smoothness of gear shifting. One gear train includes a first driving gear and a first driven gear, and the other gear train includes a second driving gear and a second driven gear, and the synchronizer is arranged between the first driven gear and the second driven gear. The overall structure is simple and compact, the number of parts is small, the total weight is light, and the cost is low.

[0031] The third motor is provided, and the power output shaft of the third motor is connected to the differential through the power transmission unit. When the engine drives the first motor and / or the second motor to generate electricity, the third motor can drive the vehicle to travel. By providing the intermediate shaft, the fourth driving gear, the fourth driven gear and the second output gear, the arrangement of the third motor is more convenient, and the space occupied by the hybrid drive system can be better utilized, so that the structure is compact and the speed ratio can be adjusted conveniently.

[0032] Another object of the utility model is to provide a vehicle, which is provided with the hybrid power drive system and the fourth motor as described above, the hybrid power drive system is drivingly connected to one drive axle of the vehicle, and the power output end of the fourth motor is drivingly connected to the other drive axle of the vehicle.

[0033] The vehicle described in the utility model, by applying the aforementioned hybrid power drive system, has a lighter overall weight, lower cost, and a compact structure. It can realize an engine-only driving mode, an engine and first motor common driving mode, and a power generation mode in which the engine provides power to the first motor and the first motor generates electricity. The customer has a wider range of choices, which is beneficial to improving the driver's driving experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0035] Figure 1 It is a structural schematic diagram of a hybrid power drive system according to an embodiment of the utility model;

[0036] Figure 2 Another structural schematic diagram of the hybrid power drive system according to an embodiment of the utility model;

[0037] Figure 3 This is another structural schematic diagram of the hybrid power drive system described in an embodiment of the utility model.

[0038] Description of reference numerals:

[0039] 1. Engine; 2. First motor;

[0040] 301, input shaft; 3011, first driving gear; 3012, second driving gear; 3013, third driving gear;

[0041] 302, output shaft; 3021, first driven gear; 3022, second driven gear; 3023, third driven gear; 3024, first output gear;

[0042] 4. Intermediate shaft; 401. Fourth driven gear; 402. Second output gear;

[0043] 5. Differential; 6. Second motor; 7. Third motor; 701. Fourth driving gear; 8. Synchronizer; 9. Flywheel. DETAILED DESCRIPTION

[0044] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0045] In the description of the present invention, the orientation or position relationship shown in the drawings is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0046] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0047] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0048] Embodiment 1

[0049] The present embodiment relates to a hybrid power driving system, which has a simple structure, light overall weight, low cost, a wide variety of driving modes, and good practicality.

[0050] Based on the above design concept, an exemplary structure of the hybrid drive system of this embodiment is as follows: Figure 1 As shown, in terms of overall structure, the hybrid drive system mainly includes a transmission, an engine 1 and a first motor 2, and the engine 1 and the first motor 2 are respectively connected to the transmission.

[0051] Among them, the transmission includes an input shaft 301, an output shaft 302, and a plurality of gear trains that can be transmission-connected between the input shaft 301 and the output shaft 302. The output shaft 302 is provided with a synchronizer 8 corresponding to each gear train. The synchronizer 8 selectively connects the corresponding gear train, so that the input shaft 301 and the output shaft 302 can be transmission-connected. One gear train includes a first driven gear 3021 that is loosely mounted on the output shaft 302.

[0052] Specifically, the engine 1 is connected to the input shaft 301 in a transmission connection, so that the power of the engine 1 can be transmitted to the input shaft 301, and the power output shaft of the first motor 2 is loosely mounted on the output shaft 302 and is directly connected to the first driven gear 3021. The gear gear is directly used to transmit power, with a compact structure, light overall weight and low cost. The output shaft 302 is used to be connected to the differential 5 in a transmission connection, so that the power of the output shaft 302 can be transmitted to the differential 5, which is convenient for driving the vehicle. The first motor 2 is preferably an existing generator.

[0053] In a preferred embodiment, the engine crankshaft of the engine 1 is connected to the input shaft 301, and the connection method is preferably direct connection. In this connection method, no clutch is set between the engine crankshaft and the input shaft 301, and a flywheel 9 is provided on the engine crankshaft, so that the overall structure is simple, the weight is light, the number of parts is small, and the cost is low.

[0054] The hybrid drive system with the above structure can be driven by the engine 1 alone, and the first motor 2 can cooperate with the engine 1 to achieve common driving of the engine 1 and the first motor 2. The engine 1 can also be used to provide motive power to the first motor 2, and the first motor 2 can generate electricity.

[0055] As a preferred embodiment, Figure 1 As shown, the input shaft 301 and the output shaft 302 are also connected by a power transmission assembly. Specifically, the power transmission assembly includes a third driving gear 3013 loosely sleeved on the input shaft 301, and a third driven gear 3023 fixedly arranged on the output shaft 302, and the third driving gear 3013 and the third driven gear 3023 are meshed and connected.

[0056] Meanwhile, the hybrid drive system of this embodiment further comprises a second motor 6 , the power output shaft of the second motor 6 is loosely sleeved on the input shaft 301 and is directly connected to the third driving gear 3013 , and the second motor 6 is preferably a generator.

[0057] Here, a power transmission component is provided between the input shaft 301 and the output shaft 302, and a second motor 6 is arranged. The power output shaft of the second motor 6 is loosely sleeved on the input shaft 301 and connected to the third driving gear 3013. On the basis of compact structure, the second motor 6 can also drive the vehicle alone, and the second motor 6 can also cooperate with the engine 1 to drive the vehicle. At this time, the first motor 2 does not participate in the work, which is beneficial to improving fuel economy. Moreover, when the engine 1 and the first motor 2 are driven together, the second motor 6 can be used for power generation, or the engine 1, the first motor 2, and the second motor 6 can be driven together.

[0058] As a preferred embodiment, the second motor 6 is arranged close to the gear train relative to the power transmission assembly, still referring to Figure 1As shown, the second motor 6 is located between the gear train and the power transmission assembly, and along the length direction of the input shaft 301, the first motor 2 and the second motor 6 are located at the same length direction position, so that the power drive system structure is more compact, occupies less space, and is convenient for arrangement on the vehicle. It should be understood that the power transmission assembly can also be arranged closer to the gear train relative to the second motor 6.

[0059] As a preferred embodiment, the engine 1 and the first motor 2 are arranged close to the two sides of the transmission, and still refer to Figure 1 As shown, the engine 1 is arranged on one side of the transmission, and the first motor 2 is arranged on the other side of the transmission. Specifically, the first motor 2 is located between the gear train and the power transmission assembly, which is more convenient when arranged on the vehicle.

[0060] As a preferred embodiment, the transmission ratios of the multiple gear trains are different. Figure 1 As shown in , there are two groups of gear trains, the gear train on the left can be used as the first gear, and the gear train on the right can be used as the second gear. Here, the transmission ratios of the multiple gear trains are different, and a variety of different speed ratios can be achieved, which is convenient for the driver to select a suitable vehicle speed and is conducive to improving the smoothness of gear shifting.

[0061] As a preferred embodiment, continue to refer to Figure 1 As shown in , there are two groups of gear trains, a first driving gear 3011 is provided on the input shaft 301, the first driving gear 3011 and the first driven gear 3021 are meshed and connected, the first driving gear 3011 and the first driven gear 3021 constitute one gear train, and the other gear train includes a second driving gear 3012 provided on the input shaft 301 and a second driven gear 3022 loosely sleeved on the output shaft 302, the synchronizer 8 is located between the first driven gear 3021 and the second driven gear 3022, and is provided on the output shaft 302, and the synchronizer 8 can selectively connect the first driven gear 3021 or the second driven gear 3022.

[0062] Specifically, when the power source of the hybrid drive system only includes the engine 1 and the first motor 2, the synchronizer 8 is connected to the first driven gear 3021, and the engine 1 and the first motor 2 can drive the vehicle together, or the engine 1 drives the first motor 2 to generate electricity. The synchronizer 8 is connected to the second driven gear 3022, and the power of the engine 1 can be transmitted to the differential 5 through the first driving gear 3011, the second driven gear 3022, the output shaft 302, and the first output gear 3024. At this time, the first motor 2 is not a load of the engine 1, which is conducive to saving fuel.

[0063] When the power source of the hybrid drive system includes the engine 1, the first motor 2 and the second motor 6 at the same time, the synchronizer 8 is connected to the first driven gear 3021, and the engine 1, the first motor 2 and the second motor 6 can drive the vehicle together, or the engine 1 can drive the vehicle, the first motor 2 and the second motor 6 can drive the vehicle, and can also be used for power generation. When the synchronizer 8 is connected to the second driven gear 3022, the engine 1 drives the vehicle, the second motor 6 can drive the vehicle, and can also be used for power generation, and the first motor 2 is not a load of the engine 1, which is conducive to saving fuel.

[0064] The hybrid drive system of this embodiment has a gear train with one gear position including a first driving gear 3011 and a first driven gear 3021, and another gear train with another gear position including a second driving gear 3012 and a second driven gear 3022, and the synchronizer 8 is arranged between the first driven gear 3021 and the second driven gear 3022. The overall structure is simple and compact, the number of parts is small, the total weight is light, and the cost is low.

[0065] As a preferred embodiment, continue to refer to Figure 1 As shown, the output shaft 302 is provided with a first output gear 3024, and the first output gear 3024 is meshed and connected with the input gear of the differential 5, so that the power transmitted to the output shaft 302 can be transmitted to the differential 5 through the first output gear 3024. Preferably, the first output gear 3024 is arranged on the side of the output shaft 302 close to the engine 1, which is convenient for the overall arrangement and makes the overall structure more compact. No matter what power source is transmitted to the output shaft 302, the power can be transmitted to the differential 5 through the first output gear 3024.

[0066] As a preferred embodiment, Figure 2 and Figure 3 As shown, the hybrid drive system of this embodiment further includes a third motor 7. The third motor 7 is preferably an existing electric motor. The power output shaft of the third motor 7 is drivingly connected to the differential 5 through a power transmission unit.

[0067] like Figure 2 As shown in FIG. 1 , the hybrid drive system of this embodiment is not provided with the second motor 6. Figure 3 FIG. 1 is a schematic diagram of the structure of the hybrid drive system of this embodiment provided with a second motor 6 .

[0068] In this embodiment, Figure 3As shown, by setting the third motor 7, even if the engine 1, the first motor 2 and the second motor 6 do not provide power to the differential 5, the power output shaft of the third motor 7 can also transmit power to the differential 5 through the power transmission unit to drive the vehicle alone. At this time, the engine 1 drives the first motor 2 or the second motor 6 to generate electricity, or the engine 1 drives the first motor 2 and the second motor 6 to generate electricity at the same time.

[0069] In addition, the engine 1, the first motor 2 and the second motor 6 can cooperate with the third motor 7 to drive the vehicle. Figure 2 As shown, at this time, the engine 1 drives the first motor 2 to generate electricity, or the engine 1 and the first motor 2 cooperate with the third motor 7 to drive the vehicle to travel, or part of the power of the engine 1 is used to drive the vehicle to travel, and the other part is used to drive the first motor 2 to generate electricity, and the engine 1 and the third motor 7 can also realize a common driving mode.

[0070] As a preferred embodiment, still refer to Figure 2 or Figure 3 As shown, the power transmission unit includes an intermediate shaft 4, a fourth driving gear 701 provided on the power output shaft of the third motor 7, a fourth driven gear 401 and a second output gear 402 provided on the intermediate shaft 4. The fourth driving gear 701 is meshed and connected with the fourth driven gear 401, and the second output gear 402 is meshed and connected with the input gear of the differential 5.

[0071] In the above structure, the power of the third motor 7 can be transmitted to the differential 5 through the fourth driving gear 701, the fourth driven gear 401, the intermediate shaft 4 and the second output gear 402. By setting the intermediate shaft 4, the fourth driving gear 701, the fourth driven gear 401 and the second output gear 402, the arrangement of the third motor 7 is more convenient, and the space occupied by the hybrid drive system can be better utilized, making the structure compact and convenient to adjust the speed ratio.

[0072] The hybrid drive system of this embodiment can omit the clutch compared to the existing structure, and has a lighter overall weight, lower cost, compact structure, and is convenient for arrangement on the vehicle. It can also realize a driving mode of the engine 1 alone, a driving mode of the engine 1 and the first motor 2 together, and a power generation mode in which the engine 1 provides power to the first motor 2 and the first motor 2 generates electricity.

[0073] Embodiment 2

[0074] This embodiment relates to a vehicle, on which the hybrid power drive system as described in the first embodiment is provided.

[0075] The vehicle of this embodiment, by applying the hybrid power drive system of the first embodiment, has a lighter overall weight, lower cost, and a compact structure. It can realize a driving mode of the engine 1 alone, a driving mode of the engine 1 and the first motor 2 together, and a power generation mode in which the engine 1 provides power to the first motor 2 and the first motor 2 generates electricity. The customer has a wider range of choices, which is beneficial to improving the driver's driving experience.

[0076] As a preferred embodiment, the vehicle is provided with a fourth motor, the hybrid drive system of embodiment one is transmission connected to one drive axle of the vehicle, and the power output end of the fourth motor is transmission connected to another drive axle of the vehicle. The drive axle mentioned here can also be any drive axle of the vehicle.

[0077] It should be noted here that the fourth motor can be a generator or an electric motor. Taking the vehicle as a four-wheel drive vehicle as an example, when the hybrid drive system of Example 1 is drivingly connected to the front drive axle, for example, when the output shaft 302 of the hybrid drive system is drivingly connected to the front differential of the front drive axle, the power output end of the fourth motor is drivingly connected to the rear drive axle of the vehicle. The transmission connection method can be a direct connection or a transmission connection to the rear drive axle through a power transmission component such as a gear train. The specific transmission connection method can refer to the structure in the prior art.

[0078] It should be understood that in other types of vehicles, the power output end of the fourth motor can also be connected to the front drive axle of the vehicle, while the hybrid drive system of the first embodiment is connected to the rear drive axle. It should be noted that the fourth motor can also be a wheel hub motor, and its installation method still refers to the prior art.

[0079] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hybrid power drive system, characterized in that: It comprises a transmission, and an engine (1) and a first motor (2) connected to the transmission; The transmission comprises an input shaft (301), an output shaft (302) and a plurality of gear trains; the input shaft (301) and / or the output shaft (302) are provided with synchronizers (8) corresponding to the gear trains; the synchronizers (8) are selectively connected to the corresponding gear trains, so that the input shaft (301) and the output shaft (302) are connected in transmission mode; The engine (1) is connected to the input shaft (301); The gear train comprises a first driven gear (3021) which is loosely sleeved on the output shaft (302); the power output shaft of the first motor (2) is loosely sleeved on the output shaft (302) and is directly connected to the first driven gear (3021); The output shaft (302) is used for driving connection with the differential (5).

2. The hybrid power drive system according to claim 1, characterized in that: The input shaft (301) and the output shaft (302) are also connected via a power transmission assembly, the power transmission assembly comprising a third driving gear (3013) loosely sleeved on the input shaft (301), and a third driven gear (3023) fixedly mounted on the output shaft (302), the third driving gear (3013) and the third driven gear (3023) being meshed and connected; The hybrid power drive system further comprises a second motor (6), wherein a power output shaft of the second motor (6) is loosely sleeved on the input shaft (301) and is directly connected to the third driving gear (3013).

3. The hybrid power drive system according to claim 2, characterized in that: The second motor (6) is located between the gear train and the power transmission assembly; Along the length direction of the input shaft (301), the first motor (2) and the second motor (6) are located at the same length direction position.

4. The hybrid power drive system according to claim 2, characterized in that: The engine (1) and the first motor (2) are respectively arranged close to two sides of the transmission; The first motor (2) is located between the gear train and the power transmission assembly.

5. The hybrid power drive system according to claim 1, characterized in that: The transmission ratios of the plurality of gear trains are different.

6. The hybrid power drive system according to claim 5, characterized in that: The input shaft (301) is provided with a first driving gear (3011), the first driving gear (3011) and the first driven gear (3021) are meshed and connected, and the first driving gear (3011) and the first driven gear (3021) constitute one of the gear trains; Another gear train comprises a second driving gear (3012) arranged on the input shaft (301) and a second driven gear (3022) loosely sleeved on the output shaft (302); The synchronizer (8) is located between the first driven gear (3021) and the second driven gear (3022), and is provided on the output shaft (302). The synchronizer (8) can selectively connect the first driven gear (3021) or the second driven gear (3022).

7. The hybrid power drive system according to claim 1, characterized in that: The output shaft (302) is provided with a first output gear (3024), and the first output gear (3024) is meshed and connected with the input gear of the differential (5); The first output gear (3024) is arranged on a side of the output shaft (302) close to the engine (1).

8. The hybrid power drive system according to any one of claims 1 to 7, characterized in that: It also includes a third motor (7), the power output shaft of the third motor (7) being drivingly connected to the differential (5) via a power transmission unit.

9. The hybrid power drive system according to claim 8, characterized in that: The power transmission unit comprises an intermediate shaft (4), a fourth driving gear (701) arranged on the power output shaft of the third motor (7), a fourth driven gear (401) and a second output gear (402) arranged on the intermediate shaft (4); The fourth driving gear (701) is meshed and connected with the fourth driven gear (401), and the second output gear (402) is meshed and connected with the input gear of the differential (5).

10. A vehicle, characterized in that: The vehicle is provided with a hybrid drive system as described in any one of claims 1 to 9 and a fourth motor, the hybrid drive system is drivingly connected to one drive axle of the vehicle, and the power output end of the fourth motor is drivingly connected to another drive axle of the vehicle.

Images