CN113263906A - Double-motor planetary hybrid power transmission device of motor vehicle - Google Patents
Double-motor planetary hybrid power transmission device of motor vehicle Download PDFInfo
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- CN113263906A CN113263906A CN202110739239.0A CN202110739239A CN113263906A CN 113263906 A CN113263906 A CN 113263906A CN 202110739239 A CN202110739239 A CN 202110739239A CN 113263906 A CN113263906 A CN 113263906A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
一种机动车的双电机行星混合动力传动装置，一行星齿轮机构的齿圈固定设置在第一驱动电机的转子内，与一空心传动轴连接，一传动主轴穿过空心传动轴形成同心轴，所述发动机的曲轴通过一输入轴与行星齿轮机构的行星架连接，所述行星架通过一离合器与传动主轴连接，所述太阳轮轴连接一制动器，该制动器的主动摩擦组件固定在行星混合动力传动装置箱体内，从动摩擦组件与太阳轮轴连接，一输出轴与输入轴、传动主轴均位于同一轴心线上，一传动副轴与输出轴平行设置，所述传动副轴穿过一空心传动副轴形成同心轴，与空心传动副轴形成滑动配合；所述第二驱动电机的转子空套在空心传动轴上，第二驱动电机的电机轴与一空心轴连接，该空心轴周向固定第一齿轮。
A dual-motor planetary hybrid power transmission device for a motor vehicle. A ring gear of a planetary gear mechanism is fixedly arranged in a rotor of a first drive motor, connected with a hollow transmission shaft, and a transmission main shaft passes through the hollow transmission shaft to form a concentric shaft, The crankshaft of the engine is connected to the planetary carrier of the planetary gear mechanism through an input shaft, the planetary carrier is connected to the transmission main shaft through a clutch, the sun gear shaft is connected to a brake, and the active friction component of the brake is fixed on the planetary hybrid power transmission. In the device box, the driven friction component is connected with the sun gear shaft, an output shaft is located on the same axis line as the input shaft and the transmission main shaft, a transmission secondary shaft is arranged in parallel with the output shaft, and the transmission secondary shaft passes through a hollow transmission pair The shaft forms a concentric shaft and forms a sliding fit with the hollow transmission countershaft; the rotor of the second driving motor is hollowly sleeved on the hollow transmission shaft, and the motor shaft of the second driving motor is connected with a hollow shaft, which circumferentially fixes the first a gear.
Description
Technical Field
The invention relates to the field of hybrid electric vehicles, in particular to a double-motor planetary hybrid power transmission device of a motor vehicle.
Background
At present, most hybrid electric vehicles adopt oil-electricity hybrid power transmission devices, and most oil-electricity hybrid power transmission devices adopt a dual-motor structure, namely, the oil-electricity hybrid power transmission devices comprise an engine obtaining power from fuel oil and a driving motor running by electric power, and a generator is additionally arranged, the generator utilizes the power generated by the running of the motor vehicle to provide electric energy for the motor vehicle, and after the engine stops, the driving motor is utilized to drive the motor vehicle to run, so that the exhaust emission of the motor vehicle is reduced, and the environment is protected. The connection and control among the engine, the generator, and the driving motor have a direct influence on the traveling performance of the hybrid vehicle.
Because one motor in the common double-motor hybrid power device is only used for providing driving force, and one motor only generates electricity, the power of the motor used for providing the driving force must meet the running working conditions of all automobiles, and the automobile has large demand on the power of the motor, so that the driving motor is large in size and high in cost, and is extremely not beneficial to space arrangement.
Patent publication CN108944405A, a hybrid electric drive, provides a hybrid electric drive comprising: the system comprises an engine, a first motor, a second motor, a shunt speed change mechanism and a drive speed change mechanism; the split speed change mechanism comprises a first planet row, a second planet row, a first gear shifting clutch element and a second gear shifting clutch element, the first planet row comprises a first sun gear, a first planet carrier and a first gear ring, the second planet row comprises a second sun gear, a second planet carrier and a second gear ring, the engine is connected with the first planet carrier, the first motor is connected with the first sun gear, and the first planet carrier is connected with the second sun gear; the driving speed change mechanism comprises a third planet row, a third gear-shifting brake element and a fourth gear-shifting brake element, the power of the second motor is converged with the power output by the second planet carrier after passing through the driving speed change mechanism and then is output to drive the vehicle, and the gear switching is carried out through the arranged shunting speed change mechanism and the driving speed change mechanism, so that the performance of the hybrid electric driving device is improved. However, the mechanism needs a plurality of clutches and a plurality of planetary mechanism sets to be matched with each other to realize the power transmission function of different gears, the structure is complex, the number of the realized driving gears is small, the economic power distribution of the automobile is not facilitated, and the application of the automobile in richer driving road conditions and driving environments cannot be met.
Disclosure of Invention
The invention aims to provide a double-motor planetary hybrid power transmission device of a motor vehicle, which adopts two motors with small volume and low cost, shares power according to the working condition requirement of the vehicle, utilizes a multi-gear transmission mechanism consisting of a planetary gear mechanism and a gear transmission mechanism to distribute the power of an engine and a driving motor, improves the number of pure electric driving gears and fuel oil driving gears, is used for vehicles with rich functions and environmental requirements, can more effectively optimize the fuel oil economy and is beneficial to more rich economic power distribution.
The purpose of the invention is realized by adopting the following scheme: a double-motor planetary hybrid power transmission device of a motor vehicle comprises an engine, a first driving motor and a second driving motor, wherein a gear ring of a planetary gear mechanism is fixedly arranged in a rotor of the first driving motor and is connected with a hollow transmission shaft, a transmission main shaft penetrates through the hollow transmission shaft to form a concentric shaft and is in sliding fit with the hollow transmission shaft through a bearing, a crankshaft of the engine is connected with a planet carrier of the planetary gear mechanism through an input shaft, the planet carrier is connected with the transmission main shaft through a clutch, a driving friction assembly of the clutch is connected with the planet carrier, a driven friction assembly is connected with the transmission main shaft, a planet gear of the planetary gear mechanism is arranged between the gear ring and a sun gear, a sun gear shaft of the sun gear is sleeved on the input shaft to form the concentric shaft, the sun gear shaft is connected with a brake, and the driving friction assembly of the brake is fixed in a box body of the planetary hybrid power transmission device, the driven friction assembly is connected with the sun gear shaft, an output shaft, the input shaft and the transmission main shaft are all positioned on the same axial line, a transmission auxiliary shaft and the output shaft are arranged in parallel, and the transmission auxiliary shaft penetrates through a hollow transmission auxiliary shaft to form a concentric shaft and forms sliding fit with the hollow transmission auxiliary shaft;
a rotor of the second driving motor is sleeved on the hollow transmission shaft in an empty mode, a motor shaft of the second driving motor is connected with a hollow shaft, and a first gear is fixed on the circumference of the hollow shaft;
a second gear is circumferentially fixed on the hollow transmission shaft, a third gear is arranged on the transmission main shaft in an empty sleeve mode, and a first synchronizer is arranged between the second gear and the third gear and is circumferentially fixed on the transmission main shaft;
a seventh gear and an eighth gear are circumferentially fixed on the hollow transmission auxiliary shaft, the eighth gear is meshed with the third gear to form a first gear pair, and the seventh gear is meshed with the second gear;
the hollow transmission auxiliary shaft is connected with the output shaft through a transmission gear pair, a third synchronizer is arranged between the first gear pair and the transmission gear pair and circumferentially fixed on the output shaft, and a left gear ring of the third synchronizer is circumferentially fixed on the transmission main shaft;
a tenth gear is arranged on the transmission auxiliary shaft in a hollow mode, a second synchronizer is arranged between the transmission gear pair and the tenth gear and circumferentially fixed on the transmission auxiliary shaft, and a left gear ring of the second synchronizer is circumferentially fixed on the hollow transmission auxiliary shaft;
and a fifth gear is circumferentially fixed on the output shaft and meshed with a tenth gear, and a sixth gear is circumferentially fixed on the transmission auxiliary shaft and meshed with the first gear.
Preferably, the transmission gear pair is a second gear pair, the second gear pair is formed by meshing a fourth gear and a ninth gear, the fourth gear is freely sleeved on the output shaft, and the ninth gear is circumferentially fixed on the hollow transmission auxiliary shaft.
Preferably, the transmission gear pair is composed of a second gear pair and a third gear pair, the second gear pair is composed of a fourth gear and a ninth gear in a meshed manner, the third gear pair is composed of an eleventh gear and a twelfth gear in a meshed manner, the fourth gear is freely sleeved on the output shaft, the eleventh gear is circumferentially fixed on the output shaft, the ninth gear and the twelfth gear are both freely sleeved on the hollow transmission auxiliary shaft, and a fourth synchronizer is arranged between the ninth gear and the twelfth gear and circumferentially fixed on the hollow transmission auxiliary shaft.
By adopting the scheme, the rotor of the second driving motor is sleeved on the hollow transmission shaft in a hollow mode, the motor shaft of the second driving motor is connected with a hollow shaft, the first gear is fixed on the hollow shaft in the circumferential direction, the sixth gear is fixed on the transmission auxiliary shaft in the circumferential direction, the first gear is meshed with the sixth gear, power is divided by utilizing the planetary gear mechanism, the first driving motor and the second driving motor can be matched with the engine simultaneously or respectively to participate in driving of a hybrid electric vehicle, and power compensation can be carried out by mutual matching in the gear change process.
The advantages of the invention are as follows:
1. according to the technical scheme, the driving requirements of the whole vehicle can be met only by a driving motor with smaller power and volume according to the characteristics of a double-motor driving and multi-gear transmission system.
2. According to the technical scheme, the two motors have power driving and power generating functions, can be matched with the engine simultaneously or respectively to participate in driving the hybrid electric vehicle, can be matched with each other to perform power compensation in the gear changing process, and have richer hybrid function selection modes.
3. The invention has simple structure, clear purpose of participating functional parts, small power of the driving motor and low cost, and is beneficial to the integrated matching of the hybrid power system vehicle;
4. the technical scheme of the invention has good expansibility, can realize more reasonable modularization and platform development, and can meet the requirements of more vehicle types.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural diagram of example 2 of the present invention;
fig. 3 is a gear distribution diagram of the present invention.
Detailed Description
As shown in fig. 1 to 3, a dual motor planetary hybrid transmission of a motor vehicle comprises an engine 1, a first driving motor 2, a second driving motor 3, a ring gear X3 of a planetary gear mechanism fixedly arranged in a rotor of the first driving motor 2 and connected with a hollow transmission shaft Z6, a transmission main shaft Z2 passing through the hollow transmission shaft Z6 to form a concentric shaft and slidably engaged with the hollow transmission shaft Z6 through a bearing, a crankshaft of the engine 1 is connected with a planet carrier X4 of the planetary gear mechanism through an input shaft Z1, the planet carrier X4 is connected with the transmission main shaft Z2 through a clutch C1, a driving friction component of the clutch C1 is connected with a planet carrier X4, a driven friction component is connected with the transmission main shaft Z2, a planet gear X2 of the planetary gear mechanism is arranged between the ring gear X3 and a sun gear X1, a sun gear shaft X6 of the sun gear X1 is freely sleeved on the input shaft Z1 to form a concentric shaft, the sun wheel shaft X6 is connected with a brake B1, an active friction component of the brake B1 is fixed in a box body of the planetary hybrid power transmission device, a driven friction component is connected with the sun wheel shaft X6, an output shaft Z5, an input shaft Z1 and a transmission main shaft Z2 are all positioned on the same axial line, a transmission auxiliary shaft Z3 and the output shaft Z5 are arranged in parallel, and the transmission auxiliary shaft Z3 penetrates through a hollow transmission auxiliary shaft Z4 to form a concentric shaft and forms sliding fit with the hollow transmission auxiliary shaft Z4;
the rotor of the second driving motor 3 is sleeved on the hollow transmission shaft Z6 in an empty mode, a motor shaft of the second driving motor 3 is connected with a hollow shaft Z7, and a first gear G1 is fixed on the circumference of the hollow shaft Z7;
a second gear G2 is circumferentially fixed on the hollow transmission shaft Z6, a third gear G3 is arranged on the transmission main shaft Z2 in an empty sleeve mode, and a first synchronizer T1 is arranged between the second gear G2 and the third gear G3 and is circumferentially fixed on the transmission main shaft Z2;
a seventh gear G7 and an eighth gear G8 are circumferentially fixed on the hollow transmission auxiliary shaft Z4, the eighth gear G8 is meshed with the third gear G3 to form a first gear pair, and the seventh gear G7 is meshed with the second gear G2;
the hollow transmission auxiliary shaft Z4 is connected with the output shaft Z5 through a transmission gear pair, a third synchronizer T3 is arranged between the first gear pair and the transmission gear pair and circumferentially fixed on the output shaft Z5, and a left gear ring of the third synchronizer T3 is circumferentially fixed on the transmission main shaft Z2;
a tenth gear G10 is sleeved on the transmission auxiliary shaft Z3 in an empty manner, a second synchronizer T2 is arranged between the transmission gear pair and the tenth gear G10 and is circumferentially fixed on the transmission auxiliary shaft Z3, and a left gear ring of the second synchronizer T2 is circumferentially fixed on a hollow transmission auxiliary shaft Z4;
the output shaft Z5 is circumferentially fixed with a fifth gear G5, the fifth gear G5 is meshed with a tenth gear G10, the transmission countershaft Z3 is circumferentially fixed with a sixth gear G6, and the sixth gear G6 is meshed with a first gear G1.
In the embodiment 1, the transmission gear pair is a second gear pair, the second gear pair is composed of a fourth gear G4 and a ninth gear G9 in a meshed mode, the fourth gear G4 is sleeved on the output shaft Z5 in an empty mode, and the ninth gear G9 is circumferentially fixed on the hollow transmission auxiliary shaft Z4.
In embodiment 2, the transmission gear pair is composed of a second gear pair and a third gear pair, the second gear pair is composed of a fourth gear G4 meshed with a ninth gear G9, the third gear pair is composed of an eleventh gear G11 meshed with a twelfth gear G12, the fourth gear G4 is freely sleeved on the output shaft Z5, the eleventh gear G11 is circumferentially fixed on the output shaft Z5, the ninth gear G9 and the twelfth gear G12 are both freely sleeved on the hollow transmission countershaft Z4, and a fourth synchronizer T4 is arranged between the ninth gear G9 and the twelfth gear G12 and is circumferentially fixed on the hollow transmission countershaft Z4.
The running mode of the hybrid electric vehicle adopting the scheme is as follows:
engine only mode:
the power of the engine 1 is mutually matched through the clutch C1, the brake B1, the first synchronizer T1, the second synchronizer T2 and the third synchronizer T3, 9 driving gears including a direct driving gear can be realized, and the function of the AMT automatic transmission is realized.
Pure electric mode:
the power of driving motor 1 is mutually matched through first synchronizer T1, second synchronizer T2, third synchronizer T3 and fourth synchronizer T4, and 4 pure electric driving gears can be realized, and gear selection can be carried out according to requirements such as motor states in the driving process.
The power of the driving motor 2 is mutually matched through a first synchronizer T1, a second synchronizer T2, a third synchronizer T3 and a fourth synchronizer T4, 5 pure electric driving gears can be realized, and gear selection can be carried out according to requirements such as motor states in the driving process.
Hybrid drive mode:
the engine 1, first driving motor 2, the power of second driving motor 3 passes through clutch C1 jointly, stopper B1, first synchronizer T1, second synchronizer T2, third synchronizer T3, fourth synchronizer T4 mutually supports, can realize including 9 fuel drive fender position and 4+5 pure electric drive fender position that directly drive the fender, in the drive process, first driving motor 2, the power of second driving motor 3 all can assist the power of engine 1 to realize unpowered interrupt and shift, when power is more sufficient, better travelling comfort and ride comfort have.
An idle mode:
through mutual cooperation of the clutch C1, the brake B1, the first synchronizer T1 and the second synchronizer T2, selection of 5 idle speed power generation gears can be achieved, and power of the engine can respectively generate power for the first driving motor 2 and the second driving motor 3 through the 5 idle speed gears.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and modifications of the present invention by those skilled in the art are within the scope of the present invention without departing from the spirit of the present invention.
Claims (3)
1. A double-motor planetary hybrid power transmission device of a motor vehicle is characterized by comprising an engine (1), a first driving motor (2) and a second driving motor (3), wherein a gear ring (X3) of a planetary gear mechanism is fixedly arranged in a rotor of the first driving motor (2) and is connected with a hollow transmission shaft (Z6), a transmission main shaft (Z2) penetrates through the hollow transmission shaft (Z6) to form a concentric shaft and is in sliding fit with the hollow transmission shaft (Z6) through a bearing, a crankshaft of the engine (1) is connected with a planet carrier (X4) of the planetary gear mechanism through an input shaft (Z1), the planet carrier (X4) is connected with the transmission main shaft (Z2) through a clutch (C1), a driving friction assembly of the clutch (C1) is connected with a planet carrier (X4), a driven friction assembly is connected with the transmission main shaft (Z2), and a planet gear (X2) of the planetary gear mechanism is arranged between the gear ring (X3) and a sun gear (X1), a sun wheel shaft (X6) of the sun wheel (X1) is sleeved on an input shaft (Z1) in a hollow mode to form a concentric shaft, the sun wheel shaft (X6) is connected with a brake (B1), a driving friction component of the brake (B1) is fixed in a box body of the planetary hybrid power transmission device, a driven friction component is connected with the sun wheel shaft (X6), an output shaft (Z5), the input shaft (Z1) and a transmission main shaft (Z2) are located on the same axial line, a transmission auxiliary shaft (Z3) and an output shaft (Z5) are arranged in parallel, and the transmission auxiliary shaft (Z3) penetrates through a hollow transmission auxiliary shaft (Z4) to form a concentric shaft and is in sliding fit with the hollow transmission auxiliary shaft (Z4);
the rotor of the second driving motor (3) is sleeved on the hollow transmission shaft (Z6) in an empty mode, a motor shaft of the second driving motor (3) is connected with a hollow shaft (Z7), and a first gear (G1) is fixed on the periphery of the hollow shaft (Z7);
a second gear (G2) is circumferentially fixed on the hollow transmission shaft (Z6), a third gear (G3) is arranged on the transmission main shaft (Z2) in an empty sleeve mode, and a first synchronizer (T1) is arranged between the second gear (G2) and the third gear (G3) and is circumferentially fixed on the transmission main shaft (Z2);
a seventh gear (G7) and an eighth gear (G8) are circumferentially fixed on the hollow transmission countershaft (Z4), the eighth gear (G8) is meshed with the third gear (G3) to form a first gear pair, and the seventh gear (G7) is meshed with the second gear (G2);
the hollow transmission auxiliary shaft (Z4) is connected with the output shaft (Z5) through a transmission gear pair, a third synchronizer (T3) is arranged between the first gear pair and the transmission gear pair and circumferentially fixed on the output shaft (Z5), and a left gear ring of the third synchronizer (T3) is circumferentially fixed on the transmission main shaft (Z2);
a tenth gear (G10) is sleeved on the transmission auxiliary shaft (Z3) in an empty manner, a second synchronizer (T2) is arranged between the transmission gear pair and the tenth gear (G10) and is circumferentially fixed on the transmission auxiliary shaft (Z3), and a left gear ring of the second synchronizer (T2) is circumferentially fixed on the hollow transmission auxiliary shaft (Z4);
the output shaft (Z5) is circumferentially fixed with a fifth gear (G5), the fifth gear (G5) is meshed with a tenth gear (G10), the transmission countershaft (Z3) is circumferentially fixed with a sixth gear (G6), and the sixth gear (G6) is meshed with the first gear (G1).
2. The dual-motor planetary hybrid transmission of claim 1, wherein: the transmission gear pair is a second gear pair, the second gear pair is formed by meshing a fourth gear (G4) and a ninth gear (G9), the fourth gear (G4) is sleeved on the output shaft (Z5) in an empty mode, and the ninth gear (G9) is circumferentially fixed on the hollow transmission auxiliary shaft (Z4).
3. The dual-motor planetary hybrid transmission of claim 1, wherein: the transmission gear pair is composed of a second gear pair and a third gear pair, the second gear pair is composed of a fourth gear (G4) and a ninth gear (G9) in a meshed mode, the third gear pair is composed of an eleventh gear (G11) and a twelfth gear (G12) in a meshed mode, the fourth gear (G4) is sleeved on the output shaft (Z5) in an empty mode, the eleventh gear (G11) is circumferentially fixed on the output shaft (Z5), the ninth gear (G9) and the twelfth gear (G12) are both sleeved on the hollow transmission counter shaft (Z4) in an empty mode, and a fourth synchronizer (T4) is arranged between the ninth gear (G9) and the twelfth gear (G12) and is circumferentially fixed on the hollow transmission counter shaft (Z4).
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| CN202110739239.0A CN113263906B (en) | 2021-06-30 | 2021-06-30 | Dual-motor planetary hybrid transmission for motor vehicles |
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| CN202110739239.0A CN113263906B (en) | 2021-06-30 | 2021-06-30 | Dual-motor planetary hybrid transmission for motor vehicles |
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| CN113263906B CN113263906B (en) | 2025-04-04 |
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