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CN109334429B - Special speed changer for hybrid electric vehicle - Google Patents

Special speed changer for hybrid electric vehicle Download PDF

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Publication number
CN109334429B
CN109334429B CN201811375927.8A CN201811375927A CN109334429B CN 109334429 B CN109334429 B CN 109334429B CN 201811375927 A CN201811375927 A CN 201811375927A CN 109334429 B CN109334429 B CN 109334429B
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CN
China
Prior art keywords
gear
output shaft
clutch
shaft
inner hub
Prior art date
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Active
Application number
CN201811375927.8A
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Chinese (zh)
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CN109334429A (en
Inventor
雷胜林
雷世庆
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Jilin Shenglin Automobile Transmission Technology Co ltd
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Jilin Shenglin Automobile Transmission Technology Co ltd
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Application filed by Jilin Shenglin Automobile Transmission Technology Co ltd filed Critical Jilin Shenglin Automobile Transmission Technology Co ltd
Priority to CN201811375927.8A priority Critical patent/CN109334429B/en
Publication of CN109334429A publication Critical patent/CN109334429A/en
Application granted granted Critical
Publication of CN109334429B publication Critical patent/CN109334429B/en
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Classifications

    • 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
    • B60K6/24—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 combustion engines
    • 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
    • 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
    • B60K6/30—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 chargeable mechanical accumulators, e.g. flywheels
    • 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
    • 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
    • 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
    • B60K6/38—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 driveline clutches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Arrangement Of Transmissions (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model provides a special derailleur of hybrid vehicle, including setting up the flywheel bumper shock absorber between derailleur and engine, the engine connection clutch of being responsible for power connection and disconnection between engine and the derailleur, be responsible for carrying out the planetary gear set of synthesizing function to engine and motor output power flow, ring gear on and, planet carrier and sun gear, input shaft and upper gear, first output shaft and upper gear, the upper gear of second output shaft, the motor shaft, first output shaft clutch, second output shaft clutch, still include collect starting function, driving function and generating function in motor of an organic whole, planetary row control clutch, main reducer first driving gear, main reducer second driving gear, first inner hub sleeve shaft, second inner hub sleeve shaft, one-way clutch. By controlling the engine, the motor and each torque control element, the automobile has the functions of pure electric driving, engine driving, hybrid power driving, power generation during the static and running of the automobile, energy recovery and the like.

Description

Special speed changer for hybrid electric vehicle
Technical Field
The invention belongs to the field of automobile transmissions, and particularly relates to a hybrid power transmission of a new energy automobile.
Background
Along with the improvement of people on environmental awareness, the hybrid electric vehicle is the development direction of the vehicle. Currently, hybrid vehicle transmission technologies are advanced, typically i-MMD and Toyota E-CVT in Honda. The fuel consumption of the hybrid electric vehicle can be reduced by 20-30% compared with that of a common internal combustion engine vehicle. The domestic hybrid technology has a great gap compared with the domestic hybrid technology.
Although the technical inventions of the hybrid power transmission at home and abroad are many at present, the inventions also obtain obvious technical progress and economic effects, but the structure of the hybrid power transmission still has the defects that the No. 2 motor needs to generate electricity to offset the electric power loss of the No. one motor for idle work when the ECVT of Toyota is in a cruising working condition; for example, in the i-MMD system of Honda, the engine is suitable for direct driving only during high-speed cruising, and other working conditions are that the engine is driven to generate electricity, so that the loss of mechanical energy to electric energy, the loss of battery charging, the loss of battery discharging and the loss of electric energy to mechanical energy are caused. And the ECVT of Toyota and the i-MMD of Honda both adopt fixed transmission ratios, the stepless transmission is carried out only by utilizing the large speed regulation range of the motor, the speed regulation range is limited, and meanwhile, the motor is difficult to ensure to work in the highest efficiency interval, so that the dynamic property and the economical efficiency of the whole vehicle are influenced, the dynamic split structure of the ECVT of Toyota is a classical hybrid structure, but the structure of the dynamic split structure ensures that the planetary rows in the ECVT of Toyota only have the dynamic split function, and the integral performance of the transmission is limited.
The special transmission for the hybrid electric vehicle solves the problems.
Disclosure of Invention
The special speed changer for the hybrid electric vehicle comprises a flywheel shock absorber arranged between the speed changer and an engine, an engine connecting clutch for connecting and disconnecting power between the engine and the speed changer, a planetary gear set for synthesizing or decomposing output power flows of the engine and a motor, a gear ring, a planet carrier, a sun gear, an input shaft, a first output shaft, a second output shaft and a motor shaft, wherein the gear ring, the planet carrier, the sun gear, the input shaft, the first output shaft and the second output shaft are arranged in the planetary gear set; the first output shaft clutch and the second output shaft clutch also comprise a motor integrating a starting function, a driving function and a power generation function; the device comprises a planetary gear control clutch, an input shaft first gear, an input shaft second gear and an input shaft third gear, wherein the planetary gear control clutch is integrated in a motor rotor and used for controlling relative movement between the motor rotor and the input shaft or is fixed and used for controlling relative movement between the motor rotor and a planet carrier through the input shaft, the input shaft first gear, the input shaft second gear and the input shaft third gear are fixedly arranged on the input shaft, a main reducer first driving gear is fixedly arranged on a first output shaft, a main reducer second driving gear is fixedly arranged on a second output shaft, a first inner hub sleeve shaft is rotatably arranged on the first output shaft through a needle bearing, a second inner hub sleeve shaft is rotatably arranged on the second output shaft through the needle bearing, a parking gear is arranged on the first output shaft, a one-way clutch is arranged on the second output shaft, and driven gears, a differential gear, a battery system, a power distribution and electronic control system and a transmission control system of the main reducer. The method is characterized in that: the outer hub of the first output shaft clutch is fixedly connected with the first output shaft, the inner hub of the first output shaft clutch is fixedly connected with the front end of the first inner hub sleeve shaft, and the outer hub of the first output shaft clutch controls the fixation or rotation between the first output shaft and the first inner hub sleeve shaft; the outer hub of the second output shaft clutch is fixedly connected with the second output shaft, the inner hub of the second output shaft clutch is fixedly connected with the front end of the second inner hub sleeve shaft, and the outer hub of the second output shaft clutch controls the fixation or rotation between the second output shaft and the second inner hub sleeve shaft; a first claw clutch is arranged on the first output shaft, and an inner hub of the first claw clutch is fixedly connected with the rear end of the first inner hub sleeve shaft; a second claw clutch is arranged on the second output shaft, and an inner hub of the second claw clutch is fixedly connected with the rear end of the second inner hub sleeve shaft; a first output shaft first gear is arranged between the inner hub of the first output shaft clutch and the inner hub of the first claw clutch, and is rotatably arranged on the first inner hub sleeve shaft through a needle bearing, a combination tooth for combining with the first claw clutch is arranged on the first output shaft first gear, and the first output shaft first gear is meshed with the first input shaft gear to form a 4-gear power transmission path; a first output shaft second gear is arranged at the rear side of the claw clutch, and is rotatably arranged on the first output shaft through a needle bearing, a combination tooth for combining with the first claw clutch is arranged on the first output shaft, and the first output shaft second gear is meshed with the input shaft second gear to form a 2-gear power transmission path; the parking gear is arranged at the rear side of the second gear of the first output shaft and is fixedly connected with the first output shaft; a second output shaft first gear is arranged between the inner hub of the second output shaft clutch and the inner hub of the second claw clutch, and is rotatably arranged on the second inner hub sleeve shaft through a needle bearing, a combination tooth for combining with the second claw clutch is arranged on the second output shaft first gear, and the second output shaft first gear is also meshed with the input shaft first gear to form a 3-gear power transmission path; a second gear of a second output shaft is arranged at the rear side of the second claw clutch, is integrated with the outer hub of the one-way clutch, is rotatably arranged on the second output shaft through a needle bearing, is provided with a combination tooth for combining with the second claw clutch, and is meshed with the second gear of the input shaft to form a 1-gear power transmission path; the inner hub of the one-way clutch is arranged at the rear side of the second gear of the second output shaft and fixedly connected with the second output shaft, and the inner hub controls one-way fixation or rotation between the second gear of the second output shaft and the second output shaft.
Drawings
Fig. 1 is a schematic structural view of a transmission dedicated for a hybrid vehicle according to the present invention.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Fig. 1 is a schematic diagram of a transmission for a hybrid vehicle according to the present invention, which includes a flywheel damper J provided between the transmission and an engine, an engine connection clutch K0 responsible for power connection and disconnection between the engine and the transmission, a planetary gear set X responsible for synthesizing or decomposing output power flows of the engine and the motor, and a ring gear X1, a carrier X2, a sun gear X3, an input shaft S, a first output shaft S1, a second output shaft S2, and a motor shaft S0 in the planetary gear set; the first output shaft clutch K1, the second output shaft clutch K2, the motor D integrating the starting function, the driving function and the power generation function, the planet row control clutch K3 which is integrated in the motor rotor and controls the relative motion between the motor rotor and the input shaft or is fixed and controls the relative motion between the motor rotor and the planet carrier through the input shaft, the input shaft first gear 1, the input shaft second gear 2 and the input shaft third gear 3 which are fixedly arranged on the input shaft, the main reducer first driving gear 10 which is fixedly arranged on the first output shaft, the main reducer second driving gear 20 which is fixedly arranged on the second output shaft, the first inner hub sleeve shaft TZ1 which is rotatably arranged on the first output shaft through a needle bearing, the second inner hub sleeve shaft TZ2 which is rotatably arranged on the second output shaft through the needle bearing, the parking gear C which is arranged on the first output shaft, the driven gear 30 of the main reducer, the differential, the battery system, the power distribution and the electronic control system and the speed change system. The method is characterized in that: the outer hub K11 of the first output shaft clutch K1 is fixedly connected with the first output shaft S1, the inner hub K12 of the first output shaft clutch K is fixedly connected with the front end of the first inner hub sleeve shaft TZ1, and the outer hub K11 controls the fixation or rotation between the first output shaft S1 and the first inner hub sleeve shaft TZ 1; the outer hub K21 of the second output shaft clutch K2 is fixedly connected with the second output shaft S2, the inner hub K22 of the second output shaft clutch K2 is fixedly connected with the front end of the second inner hub sleeve shaft TZ2, and the outer hub K21 controls the fixation or rotation between the second output shaft S2 and the second inner hub sleeve shaft TZ 2; a first claw clutch Z1 is arranged on the first output shaft S1, and an inner hub Z11 of the first claw clutch is fixedly connected with the rear end of a first inner hub sleeve shaft TZ 1; a second claw clutch Z2 is arranged on the second output shaft S2, and an inner hub Z21 of the second claw clutch is fixedly connected with the rear end of a second inner hub sleeve shaft TZ 2; a first output shaft first gear 11 is arranged between an inner hub K12 of the first output shaft clutch and an inner hub Z11 of the first claw clutch, and is rotatably arranged on a first inner hub sleeve shaft TZ1 through a needle bearing, a combination tooth Z12 for combining with the first claw clutch is arranged on the first output shaft first gear, and the first output shaft first gear 11 is meshed with the input shaft first gear 1 to form a 4-gear power transmission path; a first output shaft second gear 12 is arranged at the rear side of the claw clutch Z1, is rotatably arranged on the first output shaft S1 through a needle bearing, is provided with a combination tooth Z13 for combining with the first claw clutch, and is meshed with the input shaft second gear 2 to form a 2-gear power transmission path; the parking gear ZC is arranged at the rear side of the second gear 12 of the first output shaft and is fixedly connected with the first output shaft; a second output shaft first gear 21 is arranged between an inner hub K22 of the second output shaft clutch and an inner hub Z21 of the second claw clutch, and is rotatably arranged on a second inner hub sleeve shaft TZ2 through a needle bearing, a combination tooth Z22 for combining with the second claw clutch is arranged on the second output shaft first gear, and the second output shaft first gear 21 is also meshed with the input shaft first gear 1 to form a 3-gear power transmission path; a second output shaft second gear 22 is arranged at the rear side of the second claw clutch Z2, is integrated with the one-way clutch outer hub C1 into a whole, is rotatably arranged on the second output shaft S2 through a needle bearing, is provided with a combination tooth Z23 for combining with the second claw clutch, and is meshed with the input shaft second gear 2 to form a 1-gear power transmission path; the inner hub C2 of the one-way clutch is disposed at the rear side of the second output shaft second gear 22, fixedly connected to the second output shaft, and controls one-way fixation or rotation between the second output shaft second gear 22 and the second output shaft S2.
The special speed changer for the hybrid electric vehicle has a structure that a single motor integrating a starting function, a driving function and a power generation function is combined with a 4-gear speed change mechanism, and the power generator and the motor work in an optimal efficiency interval through the cooperation of the power generator and the motor with the 4-gear speed change mechanism; the engine, the motor D and the clutch are controlled, so that the automobile has the functions of power confluence hybrid power driving, pure electric driving, engine driving, power generation when the automobile is stationary, power generation when the automobile is running, energy recovery and the like; the control and power transmission paths of each gear and each function are as follows:
1. starting the engine
The engine is started in a stationary state and started in a driving state, the generator is started when the first state is the stationary state of the automobile, the first claw clutch Z1 is separated, the second claw clutch Z2 is combined with the second gear 22 of the second output shaft, the first output shaft clutch K1 is separated, the engine connecting clutch K0 is combined, the control system controls the motor to rotate reversely, at the moment, the second claw clutch Z2 is combined with the second gear 22 of the second output shaft, the second output shaft clutch K2 is combined, the parking system works, the second gear 22 of the second output shaft is relatively fixed with the second output shaft S2 and the transmission shell, the planet carrier X2 is fixed through the third gear 3 of the input shaft, and the motor drives the sun gear X3 to rotate reversely through the motor shaft S0, so that the gear ring gear X1 rotates positively to drive the engine to start. The second state is that the generator is started when the automobile is in a running state, before the engine is started, the planet row control clutch K3 is combined, the engine connecting clutch K0 is separated, at the moment, the motor drives the input shaft S to rotate to drive the automobile to run through the planet row control clutch K3, meanwhile, the planet row is locked through the motor shaft S0 to drive the gear ring X1 to idle together, when the engine is started, the engine connecting clutch K0 is combined, and the motor drives the gear ring X1 and the engine connecting clutch K0 to rotate to drive the engine to start through the planet row control clutch K3, the input shaft, the planet carrier, the motor shaft and the sun wheel.
2. 1 st gear when engine is driven
In the engine driving process of the gear 1, an engine connecting clutch K0 is combined, a first claw clutch is separated from Z1, a second claw clutch Z2 is combined with a second gear 22 of a second output shaft, the first output shaft clutch K1 is separated, a planet row control clutch K3 is combined, the second output shaft clutch K2 is combined, the engine drives a gear ring X1 to rotate through the engine connecting clutch K0, a sun gear is fixed with a planet carrier through a motor shaft, a motor rotor, the planet row control clutch K3 and an input shaft, the planet row is fixed into a whole, power from the engine is transmitted to the second gear 22 of the second output shaft through a flywheel damper J, the engine connecting clutch K0, the gear ring X1, the planet carrier X2, the input shaft S, the third gear 3 of the input shaft, at the moment, the second claw clutch Z2 is combined with the second gear 22 of the second output shaft due to the automatic combination of the one-way clutch, the second output shaft clutch K2 is combined, one power is transmitted to the second output shaft S2 through a one-way clutch outer hub C1 which is integrated on a second gear 22 of the second output shaft, a one-way clutch C, a one-way clutch inner hub C2, and the other power is transmitted to the automobile driving wheel through a combining tooth Z23 which is arranged on the second gear 22 of the second output shaft and used for combining with a second claw clutch, a second claw clutch Z2, an inner hub Z21 of the second claw clutch, a second inner hub sleeve TZ2, a second output shaft clutch inner hub K22, a second output shaft clutch K2, a second output shaft clutch outer hub K21 and a main speed reducer second driving gear 20, a main speed reducer driven gear 30 and a differential gear for carrying out engine 1-gear power transmission.
3. Gear 2 during engine driving
In the engine driving process, when the gear is at the gear 2, the engine is connected with the clutch K0, the first claw clutch Z1 is combined with the first output shaft second gear 12, the second claw clutch Z2 is separated, the first output shaft clutch K1 is combined, the planetary gear control clutch K3 is combined, the second output shaft clutch K2 is separated, the engine drives the gear ring X1 to rotate through the engine connection clutch K0, at the moment, the sun gear is fixed with the planet carrier through a motor shaft, a motor rotor, the planetary gear control clutch K3 and an input shaft, the planetary gear is fixed into a whole, power from the engine is transmitted to the driving wheel through the flywheel damper J, the engine connection clutch K0, the gear ring X1, the planet carrier X2, the input shaft S, the input shaft second gear 2, the first output shaft second gear 12, the combined gear Z13 combined with the second claw clutch on the first output shaft second gear 12, the inner hub Z11 of the first claw clutch, the first inner hub sleeve shaft TZ1, the first output shaft K12, the first output shaft K1, the first hub 1, the first output shaft K1, the first output shaft S, the first main gear 10, the main gear 2, and the main gear 10.
4. 3 gear during engine driving
When the engine is driven, in the 3-gear stage, the engine connecting clutch K0 is combined, the first claw clutch Z1 is separated, the second claw clutch Z2 is combined with the second output shaft first gear 21, the first output shaft clutch K1 is separated, the planetary gear control clutch K3 is combined, the second output shaft clutch K2 is combined, the engine drives the gear ring X1 to rotate through the engine connecting clutch K0, at the moment, the sun gear is fixed with the planet carrier through a motor shaft, a motor rotor, the planetary gear control clutch K3 and an input shaft, the planetary gear is fixed into a whole, power from the engine is transmitted to a driving wheel through a flywheel damper J, the engine connecting clutch K0, the gear ring X1, the planet carrier X2, the input shaft S, the input shaft first gear 1, the second output shaft first gear 21, the combination gear Z22 for combining with the second claw clutch on the second output shaft first gear 21, the inner hub Z21 of the second claw clutch, the second inner hub sleeve shaft TZ2, the second output shaft K22, the second output shaft K2, the second hub 2, the second output shaft S2, the main gear 20 and the main gear of the main driven automobile.
5. 4 th gear when engine is driven
When the engine is driven, in the 4 th gear, the engine connecting clutch K0 is combined, the first claw clutch Z1 is combined with the first output shaft first gear 11, the second claw clutch Z2 is separated, the first output shaft clutch K1 is combined, the planetary gear controlling clutch K3 is combined, the second output shaft clutch K2 is separated, the engine drives the gear ring X1 to rotate through the engine connecting clutch K0, at the moment, the sun gear is fixed with the planet carrier through a motor shaft, a motor rotor, the planetary gear controlling clutch K3 and an input shaft, the planetary gear is fixed into a whole, power from the engine is transmitted to the driving wheel through the flywheel damper J, the engine connecting clutch K0, the gear ring X1, the planet carrier X2, the input shaft S, the input shaft first gear 1, the first output shaft first gear 11, the combined gear Z12 for combining with the first claw clutch on the first output shaft first gear 11, the inner hub Z11 of the first claw clutch, the first inner hub sleeve shaft TZ1, the first output shaft K12, the first output shaft K1, the first hub K1, the first output shaft K1, the first hub 1, the first output shaft S, the first main gear 10 and the main gear 10.
6. Pure electric 1 gear
When the electric vehicle is in the gear of the electric vehicle 1, the engine is connected with the clutch K0 and separated, the first claw clutch Z1 is separated, the second claw clutch Z2 is combined with the second gear 22 of the second output shaft, the first output shaft clutch K1 is separated, the planetary row control clutch K3 is combined, the second output shaft clutch K2 is combined, the power from the motor D is transmitted to the second gear 22 of the second output shaft through the planetary row control clutch K3, the input shaft S is transmitted to the third gear 3 of the input shaft, at the moment, the second claw clutch Z2 is combined with the second gear 22 of the second output shaft due to the automatic combination of the one-way clutch, the second output shaft clutch K2 is combined, one strand of power is transmitted to the second output shaft S2 through the one-way clutch outer hub C1 which is integrated on the second gear 22 of the second output shaft, the one-way clutch inner hub C2 is combined with the second claw clutch, and the other strand of power is transmitted to the second main gear 2 through the combination gear Z23 which is arranged on the second gear 22 of the second output shaft, the second claw clutch Z2 is combined with the second hub T2 of the second claw clutch, and the driving wheel is transmitted to the second main gear 2 through the second hub T2 of the second output shaft S2 of the second output shaft of the electric vehicle, and the driving gear 2 is further transmitted to the main gear 2 of the main gear 2.
7. Pure electric 2 gear
In the case of the electric-only 2 gear, the engine connecting clutch K0 is separated, the first claw clutch Z1 is combined with the first output shaft second gear 12, the second claw clutch Z2 is separated, the first output shaft clutch K1 is combined, the planetary row control clutch K3 is combined, the second output shaft clutch K2 is separated, the power from the motor D is transmitted to the automobile driving wheel through the planetary row control clutch K3, the input shaft S, the input shaft second gear 2, the first output shaft second gear 12, the combination gear Z13 on the first output shaft second gear 12 and used for combining with the second claw clutch, the first claw clutch Z1, the inner hub Z11 of the first claw clutch, the first inner hub sleeve TZ1, the first output shaft clutch inner hub K12, the first output shaft clutch K1, the first output shaft clutch outer hub K11, the first output shaft S1, the main speed reducer first driving gear 10, the main speed reducer driven gear 30 and the differential to carry out the electric-only 2 gear power transmission.
8. Reverse gear
During reverse gear, the first claw clutch Z1 is separated and combined with the first output shaft second gear 12, the second claw clutch Z2 is combined with the second output shaft second gear 22, the first output shaft clutch K1 is separated, the planetary gear control clutch K3 is combined, the engine connecting clutch K0 is separated, the second output shaft clutch K2 is combined, the motor drives the input shaft S to rotate reversely, at the moment, the one-way clutch does not work, power from the motor passes through the planetary gear control clutch K3, the input shaft S, the third gear 3 of the input shaft, the second output shaft second gear 22, the combined gear Z23 on the second output shaft second gear 22 and used for combining with the second claw clutch, the second claw clutch Z2, the inner hub Z21 of the second claw clutch, the second inner hub sleeve shaft TZ2, the second output shaft clutch inner hub K22, the second output shaft clutch K2, the second output shaft outer hub K21 of the second output shaft S2, and the main drive gear 20, and the main gear driven by the main gear to the driven automobile to reverse gear.
9. Hybrid power drive (Power confluence function)
The hybrid power drive (power confluence function) has two working conditions, one working condition is that the automobile starts to accelerate from standstill, the first claw clutch Z1 is separated, the second claw clutch Z2 is combined with the second output shaft second gear 22, the first output shaft clutch K1 is separated, the planet row control clutch K3 is separated, the engine connecting clutch K0 is combined, the second output shaft clutch K2 is combined, the power from the engine is transmitted to the gear ring X1 through the flywheel damper J, the power from the motor D is transmitted to the sun gear X3 through the motor shaft S0, the two power flows are transmitted to the input shaft S through the power confluence of the planet row X, and then enter the 1-gear power transmission path through the input shaft third gear 3 to drive the automobile to accelerate to a target speed, thus, the power confluence function is realized, the speed of the system is improved, the speed of the system is different from the speed of the motor D through adjusting the output speed and the output torque of the motor D, the power is different from the speed of the motor D, the speed of the motor D is different from the speed of the motor D, the speed is equal to the target speed of the power, and the power is switched to the corresponding power stop process after the power is not interrupted. The other is that the motor D is needed to intervene to drive the hybrid power when the automobile is ascending and accelerating suddenly under the working condition, and the control system only needs to change the motor D into a power output state to output torque under the working condition, and the rotating speed of the engine is the same as that of the motor D in the process, and meanwhile, work is done, and the sum of the power of the engine and the motor D is the output power.
10. Generating function
If the electric quantity of the power battery is insufficient when the automobile is stationary, and the engine is required to be started to drive the generator to charge the power battery, after the engine is started under the stationary working condition of the automobile, the control system directly controls the motor D to enter a reverse power generation state, and the power battery is charged. If the electric quantity of the power battery is insufficient in the running process of the automobile under the pure electric working condition, when the engine is required to be started to drive the generator to charge the power battery, after the engine is started under the running working condition, the control system adjusts the gear according to the target automobile speed to drive the engine, and then controls the motor D to enter a power generation state to charge the power battery.
11. Braking energy recovery
When the automobile is required to be braked and decelerated, the engine connecting clutch K0 is separated, the planetary gear control clutch K3 is combined to enable the output system to be only connected with the motor D, and meanwhile, the control system enables the motor D to enter a power generation state, so that decelerated energy is changed into electric energy to be stored in an automobile power battery, and the energy recovery function is achieved.
The above embodiments are only for illustrating the present invention, not for limiting the present invention, and many hybrid transmission schemes of many gears can be made according to the structural principles of the present invention, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.

Claims (1)

1. A special speed changer for a hybrid electric vehicle comprises a flywheel shock absorber arranged between the speed changer and an engine, an engine connecting clutch for connecting and disconnecting power between the engine and the speed changer, a planetary gear set for synthesizing power flows output by the engine and a motor, a gear ring in the planetary gear set, a planet carrier and a sun gear; the device comprises an input shaft, a first output shaft, a second output shaft, a motor shaft, a first output shaft clutch and a second output shaft clutch; the system also comprises a motor integrating a starting function, a driving function and a power generation function, a planet row control clutch, an input shaft first gear, an input shaft second gear and an input shaft third gear, a main speed reducer first driving gear, a main speed reducer second driving gear, a first inner hub sleeve shaft, a second inner hub sleeve shaft, a one-way clutch, a parking gear, a driven gear of the main speed reducer, a differential, a battery system, a power distribution and electronic control system and a transmission control system; the method is characterized in that: the input shaft is a hollow shaft, and is rotatably arranged on the transmission shell through a bearing, the motor shaft is rotatably arranged in the input shaft through a needle bearing, the first output shaft and the second output shaft are parallel to the input shaft and are rotatably arranged on the transmission shell through bearings, the first inner hub sleeve shaft and the second inner hub sleeve shaft are also hollow shafts, the first inner hub sleeve shaft is rotatably arranged on the first output shaft through a needle bearing empty sleeve, the second inner hub sleeve shaft is rotatably arranged on the second output shaft through a needle bearing empty sleeve, the parking gear is arranged on the first output shaft, and the one-way clutch is arranged on the second output shaft;
the planetary row is arranged at the front part of the speed changer, a gear ring on the planetary row is connected with the engine connecting clutch, the planetary frame is connected with the front end of the input shaft, and the sun gear is connected with the front end of the motor shaft; the motor integrating the starting, driving and generating functions is arranged at the rear part of the transmission, the planetary row control clutch is arranged in the motor rotor, and the planetary row control clutch is connected with the rear end of the input shaft;
an input shaft first gear, an input shaft second gear and an input shaft third gear are fixedly arranged on the input shaft; a first driving gear of the main speed reducer is fixedly arranged on the first output shaft, and a second driving gear of the main speed reducer is fixedly arranged on the second output shaft;
the outer hub of the first output shaft clutch is fixedly connected with the front part of the first output shaft, the inner hub of the first output shaft clutch is fixedly connected with the front end of the first inner hub sleeve shaft, the outer hub of the second output shaft clutch is fixedly connected with the front part of the second output shaft, and the inner hub of the second output shaft clutch is fixedly connected with the front end of the second inner hub sleeve shaft;
a first claw clutch is arranged on the first output shaft, and an inner hub of the first claw clutch is fixedly connected with the rear end of the first inner hub sleeve shaft; a second claw clutch is arranged on the second output shaft, and an inner hub of the second claw clutch is fixedly connected with the rear end of the second inner hub sleeve shaft;
a first output shaft first gear is arranged between the inner hub of the first output shaft clutch and the inner hub of the first claw clutch, and is rotatably arranged on the first inner hub sleeve shaft through a needle bearing, a combination tooth for combining with the first claw clutch is arranged on the first output shaft first gear, and the first output shaft first gear is meshed with the first input shaft first gear;
the rear side of the first claw clutch is provided with a first output shaft second gear which is rotatably arranged on the first output shaft through a needle bearing, a combination tooth for combining with the first claw clutch is arranged on the first output shaft second gear, the first output shaft second gear is meshed with an input shaft third gear, and a parking gear is arranged at the rear side of the first output shaft second gear and fixedly connected with the first output shaft;
a second output shaft first gear is arranged between the inner hub of the second output shaft clutch and the inner hub of the second claw clutch, and is rotatably arranged on the second inner hub sleeve shaft through a needle bearing, a combination tooth for combining with the first claw clutch is arranged on the second output shaft first gear, and the second output shaft first gear is also meshed with the input shaft first gear;
the rear side of the second claw clutch is provided with a second gear of a second output shaft, the second gear is integrated with an outer hub of the one-way clutch, the second gear is rotatably arranged on the second output shaft through a needle bearing, a combination tooth for combining with the second claw clutch is arranged on the second gear, the second gear of the second output shaft is meshed with the second gear of the input shaft, and an inner hub of the one-way clutch is arranged at the rear side of the second gear of the second output shaft and fixedly connected with the second output shaft.
CN201811375927.8A 2018-11-19 2018-11-19 Special speed changer for hybrid electric vehicle Active CN109334429B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109334428B (en) * 2018-11-19 2023-09-12 吉林省晟林汽车传动科技有限公司 Transmission special for hybrid electric vehicle
GB2587218B (en) * 2019-09-18 2022-12-07 Terex Gb Ltd Machine with configurable power system

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JP2004074990A (en) * 2002-08-21 2004-03-11 Aisin Seiki Co Ltd Power transmission device for vehicles
JP2013203260A (en) * 2012-03-28 2013-10-07 Toyota Motor Corp Hybrid system
CN204123946U (en) * 2014-08-21 2015-01-28 河南科技大学 Hybrid gearbox and use the vehicle of this change-speed box
CN106671765A (en) * 2017-02-16 2017-05-17 江苏欧瑞格传动部件有限公司 Hybrid transmission case for motor vehicles
CN107323245A (en) * 2017-08-15 2017-11-07 吉林省晟林汽车传动科技有限公司 4DHT hybrid-powered motor speed variators

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Publication number Priority date Publication date Assignee Title
JP2004074990A (en) * 2002-08-21 2004-03-11 Aisin Seiki Co Ltd Power transmission device for vehicles
JP2013203260A (en) * 2012-03-28 2013-10-07 Toyota Motor Corp Hybrid system
CN204123946U (en) * 2014-08-21 2015-01-28 河南科技大学 Hybrid gearbox and use the vehicle of this change-speed box
CN106671765A (en) * 2017-02-16 2017-05-17 江苏欧瑞格传动部件有限公司 Hybrid transmission case for motor vehicles
CN107323245A (en) * 2017-08-15 2017-11-07 吉林省晟林汽车传动科技有限公司 4DHT hybrid-powered motor speed variators

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