WO2018090483A1 - 一种横置单动力源车辆驱动总成 - Google Patents

一种横置单动力源车辆驱动总成 Download PDF

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Publication number
WO2018090483A1
WO2018090483A1 PCT/CN2017/071842 CN2017071842W WO2018090483A1 WO 2018090483 A1 WO2018090483 A1 WO 2018090483A1 CN 2017071842 W CN2017071842 W CN 2017071842W WO 2018090483 A1 WO2018090483 A1 WO 2018090483A1
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WIPO (PCT)
Prior art keywords
gear
intermediate shaft
clutch
drive assembly
shaft
Prior art date
Application number
PCT/CN2017/071842
Other languages
English (en)
French (fr)
Inventor
余平
王学良
李建文
Original Assignee
精进电动科技股份有限公司
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Filing date
Publication date
Application filed by 精进电动科技股份有限公司 filed Critical 精进电动科技股份有限公司
Priority to EP17872273.2A priority Critical patent/EP3527847B1/en
Priority to US15/748,144 priority patent/US20190016215A1/en
Priority to JP2019526525A priority patent/JP6745995B2/ja
Publication of WO2018090483A1 publication Critical patent/WO2018090483A1/zh

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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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/04—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, transversely to the longitudinal centre line of the vehicle
    • 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H2003/0811—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts using unsynchronised clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • 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

Definitions

  • the present invention relates to a transverse single power source vehicle drive assembly coupled to a front or rear axle of a vehicle for driving a vehicle.
  • the power source, the clutch, the gearbox or the speed reducer, and the drive shaft are usually arranged in a longitudinal direction, have a large length, and occupy a large space of the vehicle, and are not suitable for some small vehicles that require a compact structure.
  • the reducer has a large impact on the rotor shaft of the motor (the rotor shaft is not integrated with the input shaft), and the conventional friction clutch cannot be used.
  • the clutch used can only be hard.
  • the connection method does not have a buffer function and cannot meet the requirements of new energy vehicles.
  • the power system has no clutch function, the traditional inertia friction synchronizer cannot be used, the transmission cannot shift gears, and only a single speed ratio can be used; the start and stop of the whole vehicle can only be driven by the motor.
  • the start and stop of the motor affect the performance of the motor.
  • the present invention provides a transverse single power source vehicle drive assembly to solve the problem of the existing powertrain single speed ratio transmission, which cannot adapt to complicated road conditions.
  • the existing powertrain has a large longitudinal dimension, cannot be used on a compact vehicle, and has a large number of gears in the transmission and a complicated transmission structure.
  • a first intermediate shaft is disposed in parallel with the input shaft, a second intermediate shaft is disposed coaxially with the input shaft, and a third intermediate shaft is disposed coaxially with the first intermediate shaft.
  • An intermediate shaft and a first clutch is disposed between the third intermediate shaft, and a second clutch is disposed between the input shaft and the second intermediate shaft;
  • a first gear is disposed on the input shaft, a second gear is disposed on the first intermediate shaft, a first gear is meshed with the second gear, and a third gear is disposed on the second intermediate shaft.
  • a fourth gear is disposed on the third intermediate shaft, and the third gear is meshed with the fourth gear;
  • the third intermediate shaft is further provided with a fifth gear, and the sixth gear is disposed on the differential, and the fifth gear is The sixth gear meshes with the transmission.
  • the power source sequentially passes through the input shaft, the first gear, the second gear, the first intermediate shaft, the third intermediate shaft, the fifth gear, the sixth gear, and the differential Power is transmitted to the axle half shaft.
  • first gear and the second gear meshing transmission ratio is i1
  • the fifth gear and the sixth gear meshing gear ratio are i3
  • the meshing gear ratio of the automatic transmission is i1 ⁇ i3 .
  • the power source sequentially passes through the input shaft, the second intermediate shaft, the third gear, the fourth gear, the third intermediate shaft, the fifth gear, the sixth gear, and the differential Power is transmitted to the axle half shaft.
  • the third gear and the fourth gear meshing transmission ratio is i2
  • the fifth gear and the sixth gear meshing gear ratio is i3
  • the meshing gear ratio of the automatic transmission is i2 ⁇ i3 .
  • the power source is an electric motor, or an engine is combined with an ISG motor.
  • the power source is an engine and an ISG motor, and a torsional vibration damper is disposed between the engine and the ISG motor.
  • axle half shaft is a front axle half axle or a rear axle half axle.
  • first clutch and the second clutch are end face clutches.
  • the face gear clutch is electromagnetically driven, or hydraulically driven, or pneumatically driven, or electrically driven.
  • the vehicle powertrain of the invention is connected with the rear axle half axle or the front axle half axle of the vehicle, and the vehicle powertrain can realize two speed ratio transmissions, and the transmission form is flexible, and meets the driving demand of the whole vehicle for different road conditions, when the vehicle When climbing the load, the larger speed ratio transmission can be selected to improve the driving force of the whole vehicle and make up for the shortage of the driving force of the whole vehicle. When the whole vehicle is in the cruising state, the smaller speed ratio transmission can be selected to meet the high speed driving of the whole vehicle. Requirements, saving energy and increasing vehicle cruising range.
  • the design mode of the torsional vibration damper combined with the face gear clutch minimizes the kinetic energy loss, and compensates for the shortcoming of the conventional friction clutch due to the inability to withstand the power shock of the motor.
  • the transverse single-power source vehicle drive assembly provided by the invention shortens the longitudinal dimension of the drive assembly on the one hand, and is suitable for a compact vehicle; on the other hand, the transmission structure is simplified due to the small number of gears used.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
  • Figure 2 is a schematic view showing the structure of a third embodiment of the present invention.
  • a transverse single-power source vehicle drive assembly is coupled to an axle half axle, and the vehicle drive assembly includes a power source and an automatic transmission 10, and the automatic transmission 10 is provided with
  • the input shaft 20 is connected to the input shaft 20, and a differential 50 is disposed at the connection between the automatic transmission 10 and the axle half shaft.
  • the power source is the motor 70, and the rotor shaft and the input shaft of the motor 70 20 is one.
  • a first intermediate shaft 31 is disposed in parallel with the input shaft, a second intermediate shaft 32 is disposed coaxially with the input shaft 20, and a third intermediate shaft is disposed coaxially with the first intermediate shaft 31. 33.
  • a first clutch 41 is disposed between the first intermediate shaft 31 and the third intermediate shaft 33, and a second clutch 42 is disposed between the input shaft and the second intermediate shaft 32.
  • the input shaft 20 is provided with a first gear 11 , and the first intermediate shaft 31 is provided with a second gear 12 , the first gear 11 and the second gear 12 are meshed and transmitted; the second intermediate shaft 32 is provided with a third gear 13 , The third intermediate shaft 33 is provided with a fourth gear 14 , and the third gear 13 is meshed with the fourth gear 14 ; the third intermediate shaft 33 is further provided with a fifth gear 15 , and the differential gear 50 is provided with a sixth gear 16 .
  • the fifth gear 15 is meshed with the sixth gear 16.
  • the transmission of the vehicle drive assembly of the first embodiment of the present invention is different from the layout mode of the input shaft, the intermediate shaft and the output shaft of the conventional transmission, and on the one hand, shortens the longitudinal dimension of the drive assembly, and is suitable for a compact vehicle; On the other hand, the number of gears used is small, which simplifies the transmission process.
  • the above drive assembly power transmission mode is as follows:
  • the power source sequentially passes through the input shaft 20, the first gear 11, the second gear 12, the first intermediate shaft 31, the third intermediate shaft 33, the fifth gear 15, the sixth gear 16, and the differential. 50 transmits power to the axle axle.
  • the first gear 11 and the second gear 12 are set to the gear ratio i1, and the fifth gear 15 and the sixth gear 16 are meshed with the transmission ratio i3.
  • the meshing gear ratio of the automatic transmission 10 is i1 ⁇ I3, this is the first condition.
  • the power source sequentially passes through the input shaft 20, the second intermediate shaft 32, the third gear 13, the fourth gear 14, the third intermediate shaft 33, the fifth gear 15, the sixth gear 16, and the differential 50. Transfer power to the axle axle.
  • the third gear 13 and the fourth gear 14 are set to the gear ratio i2, the fifth gear 15 and the sixth gear 16 are meshed with the transmission ratio i3, and when the second clutch 42 is engaged, the meshing gear ratio of the automatic transmission 10 is i2 ⁇ I3, this is the second working condition.
  • the sizes of the gear ratios i1, i2, and i3 can be changed by changing the size or the number of teeth of the gear, thereby changing the gear ratio of the automatic transmission 10.
  • the vehicle drive assembly can realize two speed ratio transmissions, and the automatic transmission can realize automatic shifting of two gear positions according to the control strategy program, and the transmission form is flexible, and meets the driving demand of the vehicle for different road conditions.
  • the larger speed ratio transmission can be selected to improve the driving force of the whole vehicle and make up for the defect of insufficient driving force of the whole vehicle; when the whole vehicle is in the cruising state, the smaller speed ratio transmission can be selected to meet the whole Car speed Drive requirements, save energy, and increase vehicle cruising range.
  • the first clutch 41 and the second clutch 42 are end face clutches, including a movable toothed disc and a fixed toothed disc for engaging transmission, and the movable toothed disc is provided with end face transmission teeth or tooth grooves, and the fixed toothed disc is correspondingly provided with a face tooth groove Or drive teeth.
  • the face tooth clutch can minimize the kinetic energy loss with respect to the friction clutch, which makes up for the defect that the conventional friction clutch has a short life due to the inability to withstand the power shock of the motor.
  • the driving method of the face gear clutch can be electromagnetically driven (driven by electromagnet), hydraulically driven (driven by hydraulic mechanism), pneumatically driven (driven by pneumatic mechanism), or electrically driven (driven by electric motor) ), the movable movable toothed disk is axially moved to mesh with the fixed toothed disc.
  • the electromagnetic toothed clutch can disengage and combine the power and the vehicle at any time, thereby achieving smooth power. Switch to improve the smoothness of the vehicle.
  • the axle half shaft is the front axle half axle or the rear axle half axle.
  • the vehicle drive assembly is connected with the front axle half shaft, the vehicle is in the front drive mode, and the vehicle drive assembly and the rear axle half shaft are connected.
  • the vehicle is in the rear drive mode.
  • the power source is the combination of the engine 61 and the ISG motor 62, on the one hand, reducing the idle loss and pollution of the engine, and on the other hand, the ISG motor functions as a generator, and the regenerative power generation Recycle energy to achieve energy savings. .
  • Embodiment 2 of the present invention are the same as Embodiment 1, and the description thereof will not be repeated here.
  • a torsional vibration damper 63 is disposed between the engine 61 and the ISG motor 62, and has a buffering function to reduce the torsional rigidity of the joint portion between the engine and the ISG motor, thereby reducing the natural frequency of the torsional vibration. To eliminate torsional vibration.
  • Embodiment 3 of the present invention are the same as Embodiment 1, and the description thereof will not be repeated here.

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Abstract

一种横置单动力源车辆驱动总成，包括动力源和自动变速器（10），与自动变速器的输入轴（20）平行设置有第一中间轴（31），与输入轴、第一中间轴同轴心方向分别设置有第二中间轴（32）、第三中间轴（33），第一中间轴和第三中间轴之间设置有第一离合器（41），输入轴和第二中间轴之间设置有第二离合器（42）。输入轴上的第一齿轮（11）与第一中间轴上的第二齿轮（12）啮合传动；第二中间轴上的第三齿轮（13）与第三中间轴上的第四齿轮（14）啮合传动，第三中间轴上的第五齿轮（15）与差速器上第六齿轮（16）啮合传动。该驱动总成可实现两种速比传动，传动形式灵活，缩短了驱动总成的纵向尺寸，适合结构紧凑型车辆，由于使用的齿轮个数较少，简化了传动结构。

Description

一种横置单动力源车辆驱动总成 技术领域
本发明涉及一种横置单动力源车辆驱动总成，与车辆前桥或后桥连接，用于驱动车辆。
发明背景
目前的纯电动或混合动力新能源汽车，所采用的电动机的动力特性与整车要求有差异，无法满足速比和力矩的要求。由于新能源汽车需要面对越来越复杂的工况路况，用户对新能源汽车的舒适度和续航里程要求越来越高，单纯的电动机直驱模式、电动机连接减速器模式或油电混合动力模式的新能源汽车已不能满足新能源汽车行业的发展要求。
目前的车辆动力总成中，动力源、离合器、变速箱或减速器、驱动轴通常都是纵向排列，长度较大，占用车辆空间较大，对于一些要求结构紧凑的小型车辆不适用。
此外，目前纯电动或混合动力新能源汽车中，减速器因电动机转子轴冲击较大(转子轴与输入轴不是一体的)，无法使用传统的摩擦式离合器，所使用的离合器只能是通过硬连接的方式，不具备缓冲功能，无法满足新能源汽车的要求。
现有的电动机直驱模式汽车中，动力***没有离合功能，传统的惯性摩擦式同步器无法使用，变速器无法换档换挡，只能使用单一速比；整车的启动和停车只能靠电动机的启动和停止，影响了电动机的性能发挥。
发明内容
针对现有技术中的上述问题，本发明提供了一种横置单动力源车辆驱动总成，以解决现有的动力总成单一速比传动，无法适应复杂路况工况的问题。
同时解决现有的动力总成纵向尺寸较大，无法在结构紧凑型车辆上使用，以及变速器中齿轮个数较多，传动结构复杂的问题。
为了达到上述目的，本发明的技术方案是这样实现的：
一种横置单动力源车辆驱动总成，与车桥半轴连接，所述车辆驱动总成包括动力源和自动变速器，所述自动变速器设置有输入轴，所述动力源与输入轴连接，所述自动变速器与所述车桥半轴连接处设置有差速器；
所述自动变速器中，与输入轴平行设置有第一中间轴，与输入轴同轴心方向设置有第二中间轴，与第一中间轴同轴心方向设置有第三中间轴，所述第一中间轴和 第三中间轴之间设置有第一离合器，所述输入轴和第二中间轴之间设置有第二离合器；
所述输入轴上设置有第一齿轮，所述第一中间轴上设置有第二齿轮，第一齿轮与第二齿轮啮合传动；所述第二中间轴上设置有第三齿轮，所述第三中间轴上设置有第四齿轮，第三齿轮与第四齿轮啮合传动；所述第三中间轴上还设置有第五齿轮，所述差速器上设置有第六齿轮，第五齿轮与第六齿轮啮合传动。
进一步，所述第一离合器啮合时，所述动力源依次通过所述输入轴、第一齿轮、第二齿轮、第一中间轴、第三中间轴、第五齿轮、第六齿轮和差速器将动力传递至所述车桥半轴。
进一步，所述第一齿轮与第二齿轮啮合传动比为i1，第五齿轮与第六齿轮啮合传动比为i3，所述第一离合器啮合时，所述自动变速器中啮合传动比为i1×i3。
进一步，所述第二离合器啮合时，所述动力源依次通过所述输入轴、第二中间轴、第三齿轮、第四齿轮、第三中间轴、第五齿轮、第六齿轮和差速器将动力传递至所述车桥半轴。
进一步，所述第三齿轮与第四齿轮啮合传动比为i2，第五齿轮与第六齿轮啮合传动比为i3，所述第二离合器啮合时，所述自动变速器中啮合传动比为i2×i3。
进一步，所述动力源为电动机、或发动机与ISG电机组合。
进一步，所述动力源为发动机与ISG电机组合，所述发动机与所述ISG电机之间设置扭转减振器。
进一步，所述车桥半轴为前桥半轴或后桥半轴。
进一步，所述第一离合器和第二离合器为端面齿离合器。
进一步，所述端面齿离合器为电磁驱动式、或液力驱动式、或气动驱动式、或电动驱动式。
采用上述结构设置的本发明具有以下优点：
本发明的车辆动力总成，与车辆的后桥半轴或前桥半轴连接，车辆动力总成可实现两种速比传动，传动形式灵活，满足整车对不同路况的行驶需求，当车辆在负重爬坡时，可选择较大速比传动，提高整车驱动力，弥补整车驱动力不足的缺陷；当整车在巡航状态，可选择较小速比传动，以满足整车高速行驶要求，节约能源，提高车辆续航里程。
扭转减振器结合端面齿离合器的设计模式可使动能损失最小，弥补了传统摩擦式离合器因无法承受电动机的动力冲击而寿命过短的缺陷。
本发明提供的横置单动力源车辆驱动总成，一方面缩短了驱动总成的纵向尺寸，适合结构紧凑型车辆；另一方面由于使用的齿轮个数较少，简化了传动结构。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其它目的、特征和优点能够更明显易懂，以下特举本发明的具体实施方式。
附图简要说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本发明的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1是本发明实施例1的结构示意图；
图2是本发明实施例3的结构示意图。
图中：10.自动变速器；11.第一齿轮；12.第二齿轮；13.第三齿轮；14.第四齿轮；15.第五齿轮；16.第六齿轮；
20.输入轴；
31.第一中间轴；32.第二中间轴；33.第三中间轴；
41.第一离合器；42.第二离合器；
50.差速器；
61.发动机；62.ISG电机；63.扭转减振器；
70.电动机。
实施本发明的方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
实施例1
如图1所示，在本发明实施例1中，一种横置单动力源车辆驱动总成，与车桥半轴连接，车辆驱动总成包括动力源和自动变速器10，自动变速器10设置有输入轴20，动力源与输入轴20连接，自动变速器10与车桥半轴连接处设置有差速器50。
在本发明实施例1中，动力源为电动机70，并且电动机70的转子轴与输入轴 20是一体的。
在自动变速器10中，与输入轴平行设置有第一中间轴31，与输入轴20同轴心方向设置有第二中间轴32，与第一中间轴31同轴心方向设置有第三中间轴33，第一中间轴31和第三中间轴33之间设置有第一离合器41，输入轴和第二中间轴32之间设置有第二离合器42。
输入轴20上设置有第一齿轮11，第一中间轴31上设置有第二齿轮12，第一齿轮11与第二齿轮12啮合传动；第二中间轴32上设置有第三齿轮13，第三中间轴33上设置有第四齿轮14，第三齿轮13与第四齿轮14啮合传动；第三中间轴33上还设置有第五齿轮15，差速器50上设置有第六齿轮16，第五齿轮15与第六齿轮16啮合传动。
由上述可知，本发明实施例1的车辆驱动总成的变速器不同于传统变速器的输入轴、中间轴和输出轴的布局方式，一方面缩短了驱动总成的纵向尺寸，适合结构紧凑型车辆；另一方面由于使用的齿轮个数较少，简化了传动过程。
上述驱动总成动力传动方式如下：
第一离合器41啮合时，动力源依次通过输入轴20、第一齿轮11、第二齿轮12、第一中间轴31、第三中间轴33、第五齿轮15、第六齿轮16和差速器50将动力传递至车桥半轴。设定第一齿轮11与第二齿轮12啮合传动比为i1，第五齿轮15与第六齿轮16啮合传动比为i3，则第一离合器41啮合时，自动变速器10中啮合传动比为i1×i3，此为第一工况。
第二离合器42时，动力源依次通过输入轴20、第二中间轴32、第三齿轮13、第四齿轮14、第三中间轴33、第五齿轮15、第六齿轮16和差速器50将动力传递至车桥半轴。设定第三齿轮13与第四齿轮14啮合传动比为i2，第五齿轮15与第六齿轮16啮合传动比为i3，则第二离合器42啮合时，自动变速器10中啮合传动比为i2×i3，此为第二工况。
当第一离合器41和第二离合器42同时断开时，实现空挡。
其中，传动比i1、i2和i3的大小可通过改变齿轮的尺寸或齿数来改变，从而改变自动变速器10的传动比。
由上述可知，该车辆驱动总成可实现两种速比传动，自动变速器根据控制策略程序，可实现两个档位电控自动换挡，传动形式灵活，满足整车对不同路况的行驶需求，当车辆在负重爬坡时，可选择较大速比传动，提高整车驱动力，弥补整车驱动力不足的缺陷；当整车在巡航状态时，可选择较小速比传动，以满足整车高速行 驶要求，节约能源，提高车辆续航里程。
第一离合器41和第二离合器42为端面齿离合器，包括进行啮合传动的活动齿盘和固定齿盘，活动齿盘上设置有端面传动齿或齿槽，固定齿盘上相应设置有端面齿槽或传动齿。端面齿离合器相对于摩擦式离合器可使动能损失最大程度地降低，弥补了传统摩擦式离合器因无法承受电动机的动力冲击而寿命过短的缺陷。
端面齿离合器的驱动方式可以为电磁驱动式(利用电磁铁吸附带动)、或液力驱动式(利用液压机构带动)、或气动驱动式(利用气压机构带动)、或电动驱动式(利用电动机带动)，驱动活动齿盘轴向移动与固定齿盘啮合。
当第一离合器41和第二离合器42为电磁齿嵌式离合器时，车辆驱动总成在动力输入时，电磁齿嵌式离合器可使动力与整车随时瞬间脱开和结合，实现了动力的平顺切换，提高车辆行驶平稳度。
在本发明实施例一中，车桥半轴为前桥半轴或后桥半轴，车辆驱动总成与前桥半轴连接时，车辆为前驱模式，车辆驱动总成与后桥半轴连接时，车辆为后驱模式。
实施例2
在本发明实施例2中，如图2所示，动力源为发动机61与ISG电机62组合，一方面减少发动机的怠速损耗和污染，另一方面ISG电机起到发电机的作用，可再生发电，回收能量，实现节能效果。。
本发明实施例2的其他内容与实施例1相同，此处不再重复描述。
实施例3
在本发明实施例3中，如图2所示，发动机61与ISG电机62之间设置扭转减振器63，具有缓冲功能，降低发动机与ISG电机接合部分的扭转刚度，从而降低扭振固有频率，消除扭振。
本发明实施例3的其他内容与实施例1相同，此处不再重复描述。
以上所述仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内所作的任何修改、等同替换、改进等，均包含在本发明的保护范围内。

Claims (10)

  1. 一种横置单动力源车辆驱动总成，与车桥半轴连接，其特征在于，所述车辆驱动总成包括动力源和自动变速器，所述自动变速器设置有输入轴，所述动力源与输入轴连接，所述自动变速器与所述车桥半轴连接处设置有差速器；
    所述自动变速器中，与输入轴平行设置有第一中间轴，与输入轴同轴心方向设置有第二中间轴，与第一中间轴同轴心方向设置有第三中间轴，所述第一中间轴和第三中间轴之间设置有第一离合器，所述输入轴和第二中间轴之间设置有第二离合器；
    所述输入轴上设置有第一齿轮，所述第一中间轴上设置有第二齿轮，第一齿轮与第二齿轮啮合传动；所述第二中间轴上设置有第三齿轮，所述第三中间轴上设置有第四齿轮，第三齿轮与第四齿轮啮合传动；所述第三中间轴上还设置有第五齿轮，所述差速器上设置有第六齿轮，第五齿轮与第六齿轮啮合传动。
  2. 根据权利要求1所述的车辆驱动总成，其特征在于，所述第一离合器啮合时，所述动力源依次通过所述输入轴、第一齿轮、第二齿轮、第一中间轴、第三中间轴、第五齿轮、第六齿轮和差速器将动力传递至所述车桥半轴。
  3. 根据权利要求2所述的车辆驱动总成，其特征在于，所述第一齿轮与第二齿轮啮合传动比为i1，第五齿轮与第六齿轮啮合传动比为i3，所述第一离合器啮合时，所述自动变速器中啮合传动比为i1×i3。
  4. 根据权利要求1所述的车辆驱动总成，其特征在于，所述第二离合器啮合时，所述动力源依次通过所述输入轴、第二中间轴、第三齿轮、第四齿轮、第三中间轴、第五齿轮、第六齿轮和差速器将动力传递至所述车桥半轴。
  5. 根据权利要求4所述的车辆驱动总成，其特征在于，所述第三齿轮与第四齿轮啮合传动比为i2，第五齿轮与第六齿轮啮合传动比为i3，所述第二离合器啮合时，所述自动变速器中啮合传动比为i2×i3。
  6. 根据权利要求1所述的车辆驱动总成，其特征在于，所述动力源为电动机、或发动机与ISG电机组合。
  7. 根据权利要求1所述的车辆驱动总成，其特征在于，所述动力源为发动机与ISG电机组合，所述发动机与所述ISG电机之间设置扭转减振器。
  8. 根据权利要求1所述的车辆驱动总成，其特征在于，所述车桥半轴为前桥半轴或后桥半轴。
  9. 根据权利要求1所述的车辆驱动总成，其特征在于，所述第一离合器和第 二离合器为端面齿离合器。
  10. 根据权利要求9所述的车辆驱动总成，其特征在于，所述端面齿离合器为电磁驱动式、或液力驱动式、或气动驱动式、或电动驱动式。
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