CN210309902U

CN210309902U - Novel hybrid power speed change system

Info

Publication number: CN210309902U
Application number: CN201920608098.7U
Authority: CN
Inventors: 李劲松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-04-14
Anticipated expiration: 2029-04-29

Abstract

The utility model belongs to the technical field of electromechanical hybrid vehicle drives, a novel hybrid transmission system is disclosed, include: the engine passes through a torsional vibration damper, a one-way clutch or a brake, the first motor, the second motor, a first synchronizer, a second synchronizer, the single planet row mechanism, the variable speed transmission mechanism and the differential mechanism, the utility model discloses an integrated level is high; the structure is simple; the control difficulty is low, the number of gear shifting elements is small, the development difficulty of a control system is high, and the reliability of the control system is high. The utility model has high fuel economy, and comprises a pure electric drive mode, a hybrid power drive mode, a braking energy recovery mode and a parking power generation mode; different modes can fully satisfy hybrid vehicle at the demand of different driving condition, can carry out nimble regulation to the engine operating point, guarantee that its work is in its work interval that efficiency is higher, effectively guarantee that whole hybrid system's efficiency is higher.

Description

Novel hybrid power speed change system

Technical Field

The utility model belongs to the technical field of electromechanical hybrid vehicle drive, especially, relate to a novel hybrid transmission system.

Background

Currently, the closest prior art: due to the aggravation of the world environment and energy problems caused by the traditional fuel engine automobile and the adjustment of new energy automobile policies of countries in the world, all large automobile companies are actively researching and developing energy-saving and environment-friendly automobiles. Hybrid power systems have become feasible technical solutions for solving energy consumption and environmental pollution of automobiles at the present stage, and the core power transmission devices thereof have become the key points of research and development of various companies. At present, a hybrid power scheme that a plurality of single planet rows are connected in series or in parallel is mostly adopted in the hybrid power scheme, but the oil saving efficiency is limited. Therefore, the transmission device which has higher fuel-saving efficiency and is more suitable for hybrid vehicles is a main research subject at present.

Chinese utility model patent application with application number CN201110405238, variable proportion power split hybrid transmission utilize single planet row and a series of parallel shaft gear engagement, can realize different power split modes, but this design mechanism is more complicated, manufacturing cost is higher, the control degree of difficulty is great, the reliability is lower.

In summary, the problems of the prior art are as follows: the existing variable proportion power split hybrid power transmission mechanism is complex, high in manufacturing cost, high in control difficulty and low in reliability.

The difficulty of solving the technical problems is as follows: the degree of difficulty lies in simple structure, the control degree of difficulty is low, the cost is lower, the reliability is higher, can adjust the degree of difficulty and the degree of difficulty hybrid system of moment of torsion of engine simultaneously.

The significance of solving the technical problems is as follows: the hybrid transmission device with higher reliability and higher oil saving rate is developed with lower cost.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a novel hybrid transmission system.

The utility model discloses a realize like this, a novel hybrid speed change system, novel hybrid speed change system includes:

a first motor configured to have an electric power-driving and/or generating function and to be capable of inputting or outputting power, the first motor being equipped with a first rotor shaft through which the first motor outputs or inputs power;

a second motor configured to have an electric power-driving and/or generating function and to be capable of inputting power or outputting power, the second motor being equipped with a second rotor shaft through which the second motor outputs power or outputs power;

the single-planet-row mechanism is configured to have a differential speed or speed change function and can transmit the power of an engine and/or the power of the first motor to a speed change transmission mechanism after differential speed or speed change;

a differential having a differential function and directly used to drive a hybrid system;

a speed change transmission mechanism configured to have a speed change function and capable of transmitting power of the single planetary row mechanism to the differential at a predetermined speed ratio;

a brake configured as a device capable of selectively decelerating or stopping or holding a stopped state of a moving member to which it is connected; or a one-way clutch configured to have a function of transmitting power in one direction; and/or

A first synchronizer configured as a device capable of selectively maintaining the elements connected thereto in a same-speed rotation state or in a stopped state; and/or

A second synchronizer configured as a device capable of selectively maintaining the connected elements in a same-speed rotation state or a stop state;

the novel hybrid power transmission device comprises a shell, wherein the shell is a peripheral enveloping part of the novel hybrid power transmission device and is fixedly connected with a shell of an engine.

Further, the single planetary gear train mechanism is a planetary gear transmission mechanism provided with a first sun gear, a first inner gear ring, a first planet carrier and a first planet gear, wherein the first planet gear is held on the first planet carrier, the first planet gear is meshed with the first sun gear, and the first planet gear is meshed with the first inner gear ring.

Further, the variable speed transmission mechanism comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear and a fifth transmission shaft;

the third gear and the fifth gear are coaxially connected to form the fifth transmission shaft;

the first gear and the second gear are meshed with each other;

the third gear and the fourth gear are mutually meshed;

the fifth gear is intermeshed with the sixth gear.

Further, the variable speed transmission mechanism comprises a first gear, a third gear, a fourth gear, a fifth gear, a sixth gear and a fifth transmission shaft;

the first gear and the third gear are meshed with each other;

the third gear and the fourth gear are mutually meshed;

the fifth gear is meshed with the sixth gear;

further, still include: the transmission mechanism comprises a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft and a fifth transmission shaft;

the first transmission shaft transmits the power of an engine to the first inner gear ring, and the first transmission shaft has a solid or hollow structure;

the first sun gear is coaxially connected with the first rotor shaft to form the second transmission shaft, and the second transmission shaft has a solid or hollow structure;

the fourth gear and the second rotor shaft are coaxially connected to form the third transmission shaft, and the third transmission shaft has a solid or hollow structure;

the first planet carrier and the first gear are connected to form the fourth transmission shaft, and the fourth transmission shaft has a solid or hollow structure;

the first gear is used for transmitting the power of the single planetary gear mechanism to the variable speed transmission mechanism,

the third gear and the fifth gear are coaxially connected to form the fifth transmission shaft, and the fifth transmission shaft has a solid or hollow structure;

the sixth gear is fixedly connected with the differential shell;

the sixth gear is used for transmitting the power of the speed change transmission mechanism to the differential;

the brake or the one-way clutch is arranged between the first transmission shaft and the housing;

the first synchronizer is fixedly connected with the second transmission shaft, one end of the first synchronizer is connected with the first gear, and the other end of the first synchronizer is connected with the shell;

the first gear is coaxially sleeved on the second transmission shaft in a hollow manner, and the second gear is coaxially sleeved on the fifth transmission shaft in a hollow manner;

the second synchronizer is fixedly connected with the fifth transmission shaft, and one end of the second synchronizer is connected with the second gear;

the second transmission shaft and the fourth transmission shaft are coaxially arranged with the first transmission shaft, and the third transmission shaft and the fifth transmission shaft are non-coaxially arranged with the first transmission shaft;

the second transmission shaft coaxially penetrates through the fourth transmission shaft;

in the axial direction, the first motor and the second motor are both arranged on the side far away from the engine, the brake or the one-way clutch, the fifth gear, the sixth gear and the differential are all arranged on the side close to the engine, the third gear and the fourth gear are both arranged on the side far away from the engine relative to the fifth gear, and the first gear and the second gear are both arranged between the fifth gear and the third gear.

The transmission device further comprises a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the second transmission shaft, and one end of the first synchronizer is connected with the first gear;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the second transmission shaft, and one end of the first synchronizer is connected with the shell;

the sixth gear is fixedly connected with the differential shell;

the first gear is coaxially sleeved on the second transmission shaft in a hollow manner, and the second gear is fixedly connected with the fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the first gear is coaxially sleeved on the second transmission shaft in a hollow manner;

in the axial direction, the first motor and the second motor are both arranged on the side far away from the engine, the brake or the one-way clutch, the fifth gear, the sixth gear and the differential are all arranged on the side close to the engine, and the first gear, the third gear and the fourth gear are all arranged on the side far away from the engine relative to the fifth gear.

the sixth gear is fixedly connected with the differential shell;

the first planet carrier and the first synchronizer are connected to form the fourth transmission shaft, and the fourth transmission shaft has a solid or hollow structure;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the fourth transmission shaft, one end of the first synchronizer is connected with the first gear, and the other end of the first synchronizer is connected with the shell;

the second synchronizer is fixedly connected with the second transmission shaft, and one end of the second synchronizer is connected with the shell;

the sixth gear is fixedly connected with the differential shell;

in the axial direction, the first motor and the second motor are both arranged on the side far away from the engine, the brake or the one-way clutch, the fifth gear, the sixth gear and the differential are all arranged on the side close to the engine, and the third gear and the first gear are both arranged on the side far away from the engine relative to the fifth gear.

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the second transmission shaft, one end of the first synchronizer is connected with the first rotor shaft, and the other end of the first synchronizer is connected with the shell;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the shell, one end of the first synchronizer is connected with the first rotor shaft, and the other end of the first synchronizer is connected with the first gear;

said first drive shaft transmitting engine power to said first carrier, said first drive shaft having a solid or hollow construction;

the first inner gear ring and the first gear are connected to form the fourth transmission shaft, and the fourth transmission shaft has a solid or hollow structure;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the second transmission shaft, one end of the first synchronizer is connected with the first transmission shaft, and the other end of the first synchronizer is connected with the shell;

the second transmission shaft coaxially penetrates through the first transmission shaft, and the first transmission shaft coaxially penetrates through the fourth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the second transmission shaft, and one end of the first synchronizer is connected with the first transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the second transmission shaft coaxially penetrates through the first transmission shaft, and the second transmission shaft coaxially penetrates through the fourth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the second gear is fixedly connected with the fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the fourth transmission shaft, one end of the first synchronizer is connected with the shell, and the other end of the first synchronizer is connected with the first rotor shaft;

the second gear is coaxially and idly sleeved on the fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the first synchronizer is fixedly connected with the shell, one end of the first synchronizer is connected with the first gear, and the other end of the first synchronizer is connected with the second rotor shaft;

in the axial direction, the first motor and the second motor are both arranged on the side far away from the engine, the brake or the one-way clutch, the fifth gear, the sixth gear and the differential are all arranged on the side close to the engine, the third gear and the fourth gear are both arranged on the side far away from the engine relative to the fifth gear, and the first gear and the second gear are both arranged between the third gear and the fifth gear.

the sixth gear is fixedly connected with the differential shell;

the second gear is coaxially and idly sleeved on the fifth transmission shaft;

Further, the first motor and the second motor are both connected with a power storage battery, and in different working modes, the first motor and/or the second motor are/is used as a generator to charge the power battery or used as a motor to use electric energy in the power storage battery.

Further, the novel hybrid transmission system realizes different driving modes through different connection modes, and specifically comprises:

pure electric drive mode: the first motor and the second motor are driven separately or together, and the engine is in a stop state;

hybrid drive mode: the power split control system is driven by an engine, the first motor and the second motor together, in the mode, the output power of the engine is subjected to power split at the input end through the single planetary gear train mechanism, the first motor serves as a generator or a motor to adjust the working point of the engine, and the second motor serves as a motor to adjust the working point of the engine;

a braking energy recovery mode: when the vehicle is braked, wheels drag the vehicle in a reverse direction to drive the first motor and the second motor to charge the power storage battery so as to recover the kinetic energy of the vehicle under the braking condition;

parking charging mode: and driving the first motor by the engine to charge the power storage battery.

Further, still include:

the parking mechanism is used for realizing the parking function of the novel hybrid power transmission device; and/or

The mechanical pump is used for providing hydraulic oil for the novel hybrid power transmission device; and/or

An electric pump configured to be driven by an oil pump motor and to provide hydraulic oil to the new hybrid transmission; and/or

A controller configured to control an ECU of an engine and/or the first motor and/or the second motor and/or the oil pump motor.

To sum up, the utility model discloses an advantage and positive effect do:

the utility model discloses an integrated level is high, has integrateed two motors, differential mechanism and speed change mechanism etc to realize transmission's mode switching function through controller control motor and shift element.

The utility model has the advantages of simple structure, the component number is less, is favorable to reducing hybrid transmission machine manufacturing cost, further reduces transmission's volume and weight to because simple structure, transmission's overall reliability is higher.

The utility model discloses a control degree of difficulty is low, and the shift element is less, control system's the development degree of difficulty, control system's reliability is higher.

The utility model has high fuel economy, and comprises a pure electric drive mode, a hybrid power drive mode, a braking energy recovery mode and a parking power generation mode; different modes can fully satisfy hybrid vehicle at the demand of different driving condition, can carry out nimble regulation to the engine operating point, guarantee that its work is in its work interval that efficiency is higher, effectively guarantee that whole hybrid system's efficiency is higher.

Drawings

Fig. 1 is a schematic structural diagram of a novel hybrid transmission system provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of embodiment 1 to embodiment 43 of the novel hybrid transmission system provided by the embodiment of the present invention;

in the figure: 1. an engine; 2. a torsional vibration damping device; 3. a one-way clutch; 4. a brake; 5. a first synchronizer; 6. a second synchronizer; 7. a first drive shaft; 8. a second drive shaft; 9. a third drive shaft; 10. a fourth drive shaft; 11. a fifth drive shaft; 12. a sixth drive shaft; 13. a single planet row mechanism; 14. a first carrier; 15. a first sun gear; 16. a first planet gear; 17. a first ring gear; 18. a first motor; 19. a second motor; 20. a first rotor shaft; 21. a second rotor shaft; 22. a first gear; 23. a second gear; 24. a third gear; 25. a fourth gear; 26. a fifth gear; 27. a sixth gear; 28. a differential mechanism; 29. a variable speed drive mechanism; 30. a housing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The variable-proportion power-split hybrid transmission solves the problems that an existing variable-proportion power-split hybrid transmission is complex in mechanism, high in manufacturing cost, high in control difficulty and low in reliability. The utility model discloses two motors, differential mechanism and speed change mechanism etc. have been integrated to realize transmission's mode switching function through controller control motor and shift element. The number of elements is less, which is beneficial to reducing the mechanical manufacturing cost of the hybrid power transmission device. The number of shifting elements is small, the development difficulty of a control system is high, and the reliability of the control system is high. The working point of the engine can be flexibly adjusted, the engine can work in a working area with higher efficiency, and the efficiency of the whole hybrid power system is effectively ensured to be higher.

The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the embodiment of the present invention provides a novel hybrid transmission system, including: the device comprises a first motor 18, a second motor 19, a single planet row mechanism 13, a differential 28, a speed change transmission mechanism 29, a shell 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9 and a fourth transmission shaft 10.

The first electric machine 18 comprises a first rotor shaft 20 and the second electric machine 19 comprises a second rotor shaft 21.

The single planetary gear set 13 includes a first sun gear 15, a first ring gear 17, a first carrier 14, and first planetary gears 16, the first planetary gears 16 being held on the first carrier 14, the first planetary gears 16 being intermeshed with the first sun gear 15, and the first planetary gears 16 being intermeshed with the first ring gear 17.

The speed change transmission mechanism 29 comprises a first gear 22, a second gear 23, a third gear 24, a fourth gear 25, a fifth gear 26, a sixth gear G4 and a fifth transmission shaft 11, wherein the fifth gear 26 and the third gear 24 are coaxially connected to form the fifth transmission shaft 11, the first gear 22 and the second gear 23 are meshed with each other, the third gear 24 and the fourth gear 25 are meshed with each other, and the fifth gear 26 and the sixth gear 27 are meshed with each other.

The first sun gear 15 and the first rotor shaft 20 are coaxially connected to form a second transmission shaft 8, the fourth gear 25 and the second rotor shaft 21 are coaxially connected to form a third transmission shaft 9, the first planet carrier 14 and the first gear 22 are coaxially connected to form a fourth transmission shaft 10,

the first transmission shaft 7 transmits the power of the engine 1 to the first ring gear 17.

The first gear 22 is used to transmit the power of the single planetary gear set 13 to the speed change transmission 29, the sixth gear 27 is used to transmit the power of the speed change transmission 29 to the differential 28, and the differential 28 is used to directly drive the hybrid system.

The one-way clutch 3 is arranged between the first transmission shaft 7 and the housing 9.

The first clutch C1 is fixedly connected with the second transmission shaft 8, one end of the first clutch C1 is connected with the first gear 22, and the other end of the first clutch C1 is connected with the housing 9.

The second clutch C2 is fixedly connected with the fifth transmission shaft 11, and one end of the second clutch C2 is connected with the second gear 23.

The first gear 22 is coaxially sleeved on the second transmission shaft 8, the second gear 23 is coaxially sleeved on the fifth transmission shaft 11, and the sixth gear 27 is fixedly connected with a shell of the differential 28.

The second transmission shaft 8 and the fourth transmission shaft 10 are coaxially arranged with the first transmission shaft 7, the third transmission shaft 9 and the fifth transmission shaft 11 are non-coaxially arranged with the first transmission shaft 7, the fourth transmission shaft 10 coaxially penetrates through the first transmission shaft 7, and the second transmission shaft 8 coaxially penetrates through the fourth transmission shaft 10.

In the axial direction, the first electric motor 18 and the second electric motor 19 are both disposed on the side away from the engine 1, the one-way clutch 3 is disposed on the side toward the engine 1, the fifth gear 26, the sixth gear 27, and the differential 28 are disposed on the side toward the engine 1, the third gear 24 and the fourth gear 25 are disposed on the side away from the engine with respect to the fifth gear 26, and the first gear 22 and the second gear 23 are both disposed between the fifth gear 26 and the third gear 24.

The embodiment of the utility model provides an in novel hybrid transmission device under the operating mode of difference, adopt different mode, include:

an electric drive mode: an electric drive mode 1 in which the second motor 19 is driven alone is divided; and an electric drive mode 2 driven by the first motor 18 in conjunction with the second motor 19;

hybrid drive mode: the engine 1, the first motor 18 and the second motor 19 are jointly driven, the output power of the engine 1 is divided through the single-planet-row mechanism 13, the first motor 18 and the second motor 19 are respectively used as a generator and/or a motor to adjust the working point of the engine 1, and the working efficiency of the engine is improved while high dynamic performance is guaranteed.

Parking power generation mode: in the parking state, the engine 1 drives the first electric machine 18 to charge the vehicle power storage battery.

A braking energy recovery mode: in the case of braking of the vehicle, the wheels drive the first electric machine 18 and the second electric machine 19 to charge the vehicle power accumulator, so as to recover part of the kinetic energy of the vehicle during braking.

The embodiment of the utility model provides an in, transmission's vehicle operating condition under each operating mode is as follows.

Firstly, vehicle starting:

when the electric quantity of the vehicle power storage battery is high (for example, higher than 80%) and the starting power requirement is low, the electric driving mode 1 is adopted, namely the second motor 19 is adopted for driving alone to realize vehicle starting;

when the electric quantity of the vehicle power storage battery is high (for example, higher than 80%) and the starting power demand is high, the electric driving mode 2 is adopted, namely the first motor 18 and the second motor 19 are jointly driven to realize vehicle starting;

when the vehicle power storage battery is low (for example, lower than 20%), the hybrid driving mode is adopted, namely, the ICE, the first electric machine 18 and the second electric machine 19 are jointly driven to realize vehicle starting.

II, high-speed running in the vehicle:

when the hybrid power vehicle starts and runs for a certain time in the pure electric drive mode and the power storage battery has higher electric quantity (for example, higher than 50%), the vehicle can run to a certain speed in the single-motor pure electric drive mode 1 and then is switched to the double-motor pure electric drive mode 2, so that the pure electric running of the vehicle in a full speed range is ensured;

when the electric quantity of the power storage battery is reduced to a certain level or the system efficiency is relatively low (for example: lower than 50%), the vehicle can be switched from the single-motor pure electric driving mode 1 or the double-motor pure electric driving mode 2 to the hybrid driving mode;

in the process of switching to the hybrid power drive mode under the single-motor pure electric drive mode 1, the engine 1 is started by using the first motor 18;

in the process of switching to the hybrid power driving mode in the dual-motor pure electric driving mode 2, the second motor 19 continues to drive the vehicle to normally run, and after the first motor 18 pulls the engine 1 to a certain rotating speed, the engine 1 is ignited and started;

in order to reduce the influence on the comfort of the vehicle during the starting process of the engine 1, the first motor 18 generates power for a short time to balance the explosive torque during the starting process of the engine 1, and then the vehicle is in a hybrid driving mode;

when the vehicle enters the hybrid drive mode, the operating point of the engine 1 can be flexibly adjusted and the system operates with high efficiency.

Thirdly, parking the vehicle:

when the electric quantity of the vehicle power storage battery is low (for example, lower than 60%) during parking, the engine 1 drives the first motor 18 to charge the vehicle power storage battery through the single planet row mechanism 13;

when the vehicle power battery is high (e.g., greater than 80%), the engine is shut off.

Fourthly, braking of the vehicle:

when the vehicle is not braked emergently and when the power storage battery of the vehicle is low (for example: less than 60%), the wheels drag the transmission device reversely to drive the first motor 18 and the second motor 19 to charge the power storage battery so as to recover part of kinetic energy of the vehicle under the braking condition;

otherwise, the braking system is directly started to brake the vehicle.

The application of the principles of the present invention will be further described with reference to specific embodiments.

Example 2:

referring to fig. 2, fig. 2 shows a power split hybrid transmission according to a second embodiment of the present invention, and embodiment 2 is similar to embodiment 1 except that a brake 4 is used in place of the one-way clutch 3 in embodiment 1 in embodiment 2.

Example 3:

as shown in fig. 3, fig. 3 illustrates a third embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first clutch C1 is fixedly connected with the second transmission shaft 8, and one end of the first clutch C1 is connected with the first gear 22.

The embodiment of the utility model provides an in, novel hybrid transmission adopts different mode under the operating mode of going of difference, include:

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 4:

as shown in fig. 4, fig. 4 is a fourth embodiment of the power split hybrid transmission provided by the present invention, and example 4 is similar to example 3 except that a brake 4 is used instead of the one-way clutch 3 in example 4.

Example 5:

as shown in fig. 5, fig. 5 illustrates a fifth embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first clutch C1 is fixedly connected with the second transmission shaft 8, and one end of the first clutch C1 is connected with the casing 9.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 6:

as shown in fig. 6, fig. 6 shows a sixth embodiment of the power split hybrid transmission according to the present invention, and example 6 is similar to example 5 except that a brake 4 is used instead of the one-way clutch 3 in example 5 in example 6.

Example 7:

as shown in fig. 7, fig. 7 illustrates a seventh embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first gear 22 is coaxially sleeved on the second transmission shaft 8 in a hollow manner, the second gear 23 is fixedly connected with the fifth transmission shaft 11, and the sixth gear 27 is fixedly connected with a shell of the differential 28.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 8:

as shown in fig. 8, fig. 8 is an eighth embodiment of the power split hybrid transmission provided by the present invention, and embodiment 8 is similar to embodiment 7 except that in embodiment 8, a brake 4 is used instead of the one-way clutch 3 in embodiment 7.

Example 9:

as shown in fig. 9, fig. 9 illustrates a ninth embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 10:

as shown in fig. 10, fig. 10 is a tenth embodiment of a power split hybrid transmission according to the present invention, and example 10 is similar to example 9 except that a brake 4 is used in example 10 instead of the one-way clutch 3 in example 9.

Example 11:

as shown in fig. 11, fig. 11 illustrates an eleventh embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 12:

as shown in fig. 12, fig. 12 is a twelfth embodiment of the power split hybrid transmission according to the present invention, and example 12 is similar to example 11 except that a brake 4 is used in example 12 instead of the one-way clutch 3 in example 11.

Example 13:

as shown in fig. 13, fig. 13 illustrates a thirteenth embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The speed change transmission mechanism 29 comprises a first gear 22, a third gear 24, a fourth gear 25, a fifth gear 26, a sixth gear G4 and a fifth transmission shaft 11, wherein the fifth gear 26 and the third gear 24 are coaxially connected to form the fifth transmission shaft 11, the first gear 22 is meshed with the third gear 24, the third gear 24 is meshed with the fourth gear 25, and the fifth gear 26 is meshed with the sixth gear 27.

The first gear 22 is coaxially sleeved on the second transmission shaft 8, and the sixth gear 27 is fixedly connected with a shell of the differential 28.

In the axial direction, the first electric motor 18 and the second electric motor 19 are both disposed on the side away from the engine 1, the one-way clutch 3 is disposed on the side toward the engine 1, the fifth gear 26, the sixth gear 27, and the differential 28 are disposed on the side toward the engine 1, and the first gear 22, the third gear 24, and the fourth gear 25 are all disposed on the side away from the engine with respect to the fifth gear 26.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 14:

as shown in fig. 14, fig. 14 is a fourteenth embodiment of the power split hybrid transmission according to the present invention, and example 14 is similar to example 13 except that a brake 4 is used in example 14 instead of the one-way clutch 3 in example 13.

Example 15:

as shown in fig. 15, fig. 15 illustrates a fifteenth embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 16:

as shown in fig. 16, fig. 16 is a sixteenth embodiment of the power split hybrid transmission according to the present invention, and example 16 is similar to example 15 except that a brake 4 is used in example 16 instead of the one-way clutch 3 in example 15.

Example 17:

as shown in fig. 17, fig. 17 illustrates a seventeenth embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 18:

as shown in fig. 18, fig. 18 is an eighteenth embodiment of the power split hybrid transmission according to the present invention, and example 18 is similar to example 17 except that a brake 4 is used in example 18 instead of the one-way clutch 3 in example 17.

Example 19:

as shown in fig. 19, fig. 19 illustrates a nineteenth embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first sun gear 15 and the first rotor shaft 20 are coaxially connected to form a second transmission shaft 8, the fourth gear 25 and the second rotor shaft 21 are coaxially connected to form a third transmission shaft 9, the first planet carrier 14 and the first synchronizer 5 are coaxially connected to form a fourth transmission shaft 10,

The first clutch C1 is fixedly connected with the fourth transmission shaft 10, one end of the first clutch C1 is connected with the first gear 22, and the other end of the first clutch C1 is connected with the housing 9.

The second clutch C2 is fixedly connected with the second transmission shaft 8, and one end of the second clutch C2 is connected with the casing 9.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 20:

as shown in fig. 20, fig. 20 is a twentieth embodiment of the power split hybrid transmission according to the present invention, and example 20 is similar to example 19 except that in example 20, a brake 4 is used instead of the one-way clutch 3 in example 19.

Example 21:

as shown in fig. 21, fig. 21 illustrates a twenty-first embodiment of the power split hybrid transmission provided by the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 22:

as shown in fig. 22, fig. 22 is a twenty-second embodiment of the power split hybrid transmission according to the present invention, and example 22 is similar to example 21 except that in example 22, a brake 4 is used instead of the one-way clutch 3 in example 21.

Example 23:

as shown in fig. 23, fig. 23 illustrates a twenty-first embodiment of the power split hybrid transmission provided by the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

In the axial direction, the first electric motor 18 and the second electric motor 19 are both disposed on the side away from the engine 1, the one-way clutch 3 is disposed on the side toward the engine 1, the fifth gear 26, the sixth gear 27, and the differential 28 are disposed on the side toward the engine 1, and the first gear 22, the third gear 24, and the fourth gear 25 are disposed on the side away from the engine with respect to the fifth gear 26.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 24:

as shown in fig. 24, fig. 24 is a twenty-fourth embodiment of a power split hybrid transmission provided by the present invention, and example 24 is similar to example 23 except that a brake 4 is used in example 24 instead of the one-way clutch 3 in example 23.

Example 25:

as shown in fig. 25, fig. 25 illustrates a twenty-fifth embodiment of the power split hybrid transmission provided by the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first clutch C1 is fixedly connected with the second transmission shaft 8, one end of the first clutch C1 is connected with the first rotor shaft 20, and the other end of the first clutch C1 is connected with the casing 9.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 26:

as shown in fig. 26, fig. 26 is a twenty-sixth embodiment of a power split hybrid transmission according to the present invention, and example 26 is similar to example 25 except that a brake 4 is used in example 26 instead of the one-way clutch 3 in example 26.

Example 27:

as shown in fig. 27, fig. 27 illustrates a twenty-seventh embodiment of the power split hybrid transmission provided by the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first clutch C1 is fixedly connected to the housing 9, one end of the first clutch C1 is connected to the first rotor shaft 20, and the other end of the first clutch C1 is connected to the first gear 22.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 28:

as shown in fig. 28, fig. 28 is a twenty-eighth embodiment of a power split hybrid transmission provided by the present invention, and embodiment 28 is similar to embodiment 27 except that in embodiment 28, a brake 4 is used instead of the one-way clutch 3 in embodiment 27.

Example 29:

as shown in fig. 29, fig. 29 illustrates a twenty-ninth embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first sun gear 15 and the first rotor shaft 20 are coaxially connected to form a second transmission shaft 8, the fourth gear 25 and the second rotor shaft 21 are coaxially connected to form a third transmission shaft 9, the first inner gear ring 17 and the first gear 22 are coaxially connected to form a fourth transmission shaft 10,

the first transmission shaft 7 transmits the power of the engine 1 to the first carrier 14.

The first clutch C1 is fixedly connected with the second transmission shaft 8, one end of the first clutch C1 is connected with the first transmission shaft 7, and the other end of the first clutch C1 is connected with the casing 9.

The second transmission shaft 8 and the fourth transmission shaft 10 are coaxially arranged with the first transmission shaft 7, the third transmission shaft 9 and the fifth transmission shaft 11 are non-coaxially arranged with the first transmission shaft 7, the second transmission shaft 8 coaxially penetrates through the first transmission shaft 7, and the second transmission shaft 8 coaxially penetrates through the fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 30:

as shown in fig. 30, fig. 30 is a thirtieth embodiment of the power split hybrid transmission according to the present invention, and the embodiment 30 is similar to the embodiment 29 except that the brake 4 is used in the embodiment 30 instead of the one-way clutch 3 in the embodiment 29.

Example 31:

as shown in fig. 31, fig. 31 illustrates a thirty-first embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first clutch C1 is fixedly connected with the second transmission shaft 8, and one end of the first clutch C1 is connected with the first transmission shaft 7.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 32:

as shown in fig. 32, fig. 32 is a thirty-second embodiment of a power split hybrid transmission provided by the present invention, and embodiment 32 is similar to embodiment 31 except that a brake 4 is used in embodiment 32 instead of the one-way clutch 3 in embodiment 31.

Example 33:

as shown in fig. 33, fig. 33 illustrates a thirty-third embodiment of the power split hybrid transmission provided by the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The second transmission shaft 8 and the fourth transmission shaft 10 are arranged coaxially with the first transmission shaft 7, the third transmission shaft 9 and the fifth transmission shaft 11 are arranged non-coaxially with the first transmission shaft 7, and the second transmission shaft 8 coaxially penetrates through the fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 34:

as shown in fig. 34, fig. 34 is a thirty-fourth embodiment of a power split hybrid transmission provided by the present invention, and example 34 is similar to example 33 except that a brake 4 is used in example 34 instead of the one-way clutch 3 in example 33.

Example 35

As shown in fig. 35, fig. 35 illustrates a thirty-fifth embodiment of the power split hybrid transmission provided by the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The sixth gear 27 is fixedly connected to the housing of the differential 28.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 36

Referring to fig. 36, fig. 36 shows a thirty-sixth embodiment of a power split hybrid transmission according to the present invention, and example 36 is similar to example 35 except that in example 36, a brake 4 is used instead of the one-way clutch 3 in example 35.

Example 37

As shown in fig. 37, fig. 37 illustrates a thirty-seventh embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The sixth gear 27 is fixedly connected to the housing of the differential 28.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 38

As shown in fig. 38, fig. 38 is a thirty-eighth embodiment of a power split hybrid transmission provided by the present invention, embodiment 38 is similar to embodiment 37 except that brake 4 is used in place of one-way clutch 3 in embodiment 37 in embodiment 38.

Example 39:

as shown in fig. 39, fig. 39 shows a thirty-ninth embodiment of the power split hybrid transmission provided by the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

The first clutch C1 is fixedly connected with the fourth transmission shaft 10, one end of the first clutch C1 is connected with the first rotor shaft 20, and the other end of the first clutch C1 is connected with the housing 9.

The second gear 23 is coaxially sleeved on the fifth transmission shaft 11, and the sixth gear 27 is fixedly connected with a shell of the differential 28.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 40:

as shown in fig. 40, fig. 40 is a fortieth embodiment of a power split hybrid transmission provided by the present invention, and example 40 is similar to example 39 except that a brake 4 is used in example 40 instead of the one-way clutch 3 in example 39.

Example 41:

as shown in fig. 41, fig. 41 illustrates a forty-first embodiment of a power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 42:

as shown in fig. 42, fig. 42 is a forty-second embodiment of the power split hybrid transmission according to the present invention, and the embodiment 42 is similar to the embodiment 41 except that the brake 4 is used in the embodiment 42 instead of the one-way clutch 3 in the embodiment 41.

Example 43:

as shown in fig. 43, fig. 43 illustrates a forty-third embodiment of the power split hybrid transmission according to the present invention, which includes a first motor 18, a second motor 19, a single planetary gear set 13, a differential 28, a speed change transmission mechanism 29, a housing 9, a first transmission shaft 7, a second transmission shaft 8, a third transmission shaft 9, and a fourth transmission shaft 10.

Firstly, vehicle starting:

II, high-speed running in the vehicle:

Thirdly, parking the vehicle:

Fourthly, braking of the vehicle:

otherwise, the braking system is directly started to brake the vehicle.

Example 44:

as shown in fig. 44, fig. 44 is a forty-fourth embodiment of a power split hybrid transmission according to the present invention, and example 44 is similar to example 43 except that a brake 4 is used in example 44 instead of the one-way clutch 3 in example 43.

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

1. A novel hybrid transmission system, characterized in that it comprises:

2. The novel hybrid transmission system according to claim 1, wherein the single planetary gear set is a planetary gear set having a first sun gear, a first ring gear, a first carrier on which the first planetary gear is held, and a first planetary gear that is engaged with the first sun gear and is engaged with the first ring gear.

3. The novel hybrid transmission system of claim 1, wherein the speed change transmission mechanism includes a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a fifth drive shaft;

the first gear and the second gear are meshed with each other;

the third gear and the fourth gear are mutually meshed;

the fifth gear is intermeshed with the sixth gear.

4. The novel hybrid transmission system of claim 1, wherein the speed change transmission mechanism includes a first gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a fifth drive shaft;

the first gear and the third gear are meshed with each other;

the third gear and the fourth gear are mutually meshed;

the fifth gear is intermeshed with the sixth gear.

5. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising: the transmission mechanism comprises a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

6. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

7. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

8. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

9. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

10. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

11. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

12. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

13. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

14. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

15. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

16. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

17. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

18. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

19. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

20. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

21. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

22. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the second gear is fixedly connected with the fifth transmission shaft;

23. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

24. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the second gear is coaxially and idly sleeved on the fifth transmission shaft;

25. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

26. The novel hybrid transmission system according to any one of claims 3 to 4, further comprising a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, and a fifth transmission shaft;

the sixth gear is fixedly connected with the differential shell;

the second gear is coaxially and idly sleeved on the fifth transmission shaft;

27. The novel hybrid transmission system of claim 1, wherein the first electric machine and the second electric machine are both connected to a power battery, and in different operating modes, the first electric machine and/or the second electric machine is used as a generator to charge the power battery or is used as a motor to use electric energy in the power battery.

28. The novel hybrid transmission system as claimed in claim 27, wherein the novel hybrid transmission system realizes different driving modes through different connection modes, and specifically comprises:

29. The novel hybrid transmission system of claim 28, further comprising: