CN111347865B - Driving device for hybrid vehicle - Google Patents

Driving device for hybrid vehicle Download PDF

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Publication number
CN111347865B
CN111347865B CN201911318138.5A CN201911318138A CN111347865B CN 111347865 B CN111347865 B CN 111347865B CN 201911318138 A CN201911318138 A CN 201911318138A CN 111347865 B CN111347865 B CN 111347865B
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motor
housing
gear
cover member
case
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CN201911318138.5A
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CN111347865A (en
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宫崎将英
北冈圭史
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Suzuki Motor Corp
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Suzuki Motor Corp
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • 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
    • B60K6/40—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 assembly or relative disposition of components
    • 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
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of 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
    • 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
    • B60K6/26—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 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 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 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
    • B60K6/36—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 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 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 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
    • B60K6/22—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
    • B60K6/40—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 assembly or relative disposition of components
    • B60K6/405—Housings
    • 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
    • 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02034—Gearboxes combined or connected with electric machines
    • 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
    • F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/03—Gearboxes; Mounting gearing therein characterised by means for reinforcing gearboxes, e.g. ribs
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/037—Gearboxes for accommodating differential gearings
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
    • F16H61/682—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings with interruption of drive
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

Provided is a drive device for a hybrid vehicle, which can prevent the enlargement of a transmission due to the provision of a drive motor. The motor (32) is disposed above the transmission mechanism (61), and the transmission case (5) has a right case (6), a left case (7), and a cover member (27) disposed in this order from the side of the engine (8). A transmission mechanism housing section (62) for housing the transmission mechanism (61) is formed by the right housing (6), the left housing (7), and the cover member (27). The left case (7) further has: a left housing main body part (7G) which forms a part of a transmission mechanism housing part (62); and a bulge (7H) that bulges upward from the left housing body (7G) and that is provided with one end of the motor (32). A speed reduction mechanism housing unit (25) for housing a speed reduction mechanism (33) for reducing the driving force of the motor (32) is formed by the bulge unit (7H) and the cover member (27).

Description

Driving device for hybrid vehicle
Technical Field
The present invention relates to a drive device for a hybrid vehicle.
Background
As a conventional power transmission device for a hybrid vehicle, a device described in patent document 1 is known. In the power transmission device for a hybrid vehicle described in patent document 1, an end portion of a motor on a motor shaft projecting side is fixed to a transmission case, and a portion spaced a predetermined distance from the end portion is supported by a holder and a bracket.
In addition, the bracket supports one output shaft of the differential device through a bearing, and one end of the bracket is fixed to the engine. In addition, the power transmission device for a hybrid vehicle supports both ends of the motor by using a stand for supporting the drive shaft with equal length.
Thus, the power transmission device for a hybrid vehicle described in patent document 1 can reduce the weight load applied to the transmission case, and can improve durability.
Prior ArtLiterature
Patent literature
Patent document 1: japanese patent application laid-open No. 2008-239123
Disclosure of Invention
Problems to be solved by the invention
However, in the conventional power transmission device for a hybrid vehicle, the electric motor protrudes from the transmission case to the engine side, and there is a problem in that the transmission becomes large.
The present invention has been made in view of the above circumstances, and an object thereof is to provide a drive device for a hybrid vehicle capable of preventing an increase in size of a transmission due to the provision of a drive motor.
Solution for solving the problem
The drive device for a hybrid vehicle of the present invention comprises: a speed change mechanism that changes a rotational speed of a driving force transmitted from an engine; a transmission case accommodating the transmission mechanism; and an electric motor that transmits a driving force to the transmission mechanism, wherein the electric motor is disposed above the transmission mechanism, the transmission case includes a right case, a left case, and a cover member disposed in this order from one side of the engine, and a transmission mechanism housing portion that houses the transmission mechanism is formed by the right case, the left case, and the cover member, and the left case includes: a left housing main body part forming a part of the transmission mechanism housing part; and a bulge portion bulging upward from the left housing main body portion, one end side of the motor being mounted, the bulge portion and the cover member forming a speed reduction mechanism housing portion housing a speed reduction mechanism for reducing a rotational speed of the motor.
Effects of the invention
Thus, according to the present invention, the transmission can be prevented from being enlarged by the provision of the driving motor.
Drawings
Fig. 1 is a left side view of a drive device for a hybrid vehicle according to an embodiment of the present invention.
Fig. 2 is a plan view of a drive device for a hybrid vehicle according to an embodiment of the present invention.
Fig. 3 is a frame diagram of a drive device for a hybrid vehicle according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view in the direction IV-IV of fig. 2.
Fig. 5 is a perspective view of a drive device for a hybrid vehicle according to an embodiment of the present invention.
Fig. 6 is a partial perspective view of a drive device for a hybrid vehicle according to an embodiment of the present invention.
Description of the reference numerals
The present invention provides a hybrid vehicle, a 4..a drive device (a drive device for a hybrid vehicle), a 6..a right case, a 7..a left case main body portion, a 7 h..a bulging portion, a 8..an engine, a 25..a reduction mechanism housing portion, a 27..a cover member, a 32..an electric motor, a 32 c..a connector, a 32 d..a power receiving portion, a 33..a reduction mechanism, a 46 a..a front bracket (bracket), a 46 b..a rear bracket (bracket), a 53..a motor mounting flange, a 54..a cover member joining flange, a 55..a rib, a 61..a speed change mechanism, and a 62..a speed change mechanism housing portion.
Detailed Description
A drive device for a hybrid vehicle according to an embodiment of the present invention includes: a speed change mechanism that changes a rotational speed of a driving force transmitted from an engine; a transmission case accommodating a transmission mechanism; and an electric motor for transmitting a driving force to the transmission mechanism, wherein the electric motor is disposed above the transmission mechanism, the transmission case has a right case, a left case, and a cover member disposed in this order from one side of the engine, the right case, the left case, and the cover member form a transmission mechanism housing portion for housing the transmission mechanism, and the left case has: a left housing main body part forming a part of the transmission mechanism housing part; and a bulge portion bulging upward from the left housing main body portion, one end side of the motor being mounted, the bulge portion and the cover member forming a speed reduction mechanism housing portion housing a speed reduction mechanism that reduces a rotational speed of the motor.
Thus, the drive device for a hybrid vehicle according to an embodiment of the present invention can prevent an increase in size of a transmission due to the provision of the drive motor.
Examples (example)
Hereinafter, a driving device for a hybrid vehicle according to an embodiment of the present invention will be described with reference to the drawings.
Fig. 1 to 6 are diagrams showing a drive device for a hybrid vehicle according to an embodiment of the present invention.
In fig. 1 to 6, the vertical direction is the vertical direction of the hybrid vehicle drive device in a state of being provided in the vehicle, the vertical direction orthogonal to the front-rear direction is the horizontal direction, and the height direction of the hybrid vehicle drive device is the vertical direction.
First, the constitution is explained. In fig. 1, a hybrid vehicle (hereinafter simply referred to as a vehicle) 1 includes a vehicle body 2, and the vehicle body 2 is partitioned into a front engine room 2A and a rear vehicle cabin 2B by a dash panel 3. The engine room 2A is provided with a drive device 4, and the drive device 4 has a gear shift stage of 6 forward gears and 1 reverse gears. The drive device 4 constitutes a drive device for a hybrid vehicle of the present invention.
In fig. 2, an engine 8 is connected to the driving device 4. The drive device 4 includes a transmission case 5, and the transmission case 5 includes a right case 6, a left case 7, and a cover member 27 in this order from the engine 8 side.
The right housing 6 is connected to an engine 8. The engine 8 has a crankshaft 9 (see fig. 3), and the crankshaft 9 is provided to extend in the width direction of the vehicle 1. That is, the engine 8 of the present embodiment is constituted by a transverse engine, and the vehicle 1 of the present embodiment is a front engine front drive (FF) vehicle.
The left housing 7 is coupled to the opposite side of the engine 8 with respect to the right housing 6. That is, the left housing 7 is coupled to the left side of the right housing 6. A flange portion 6F (see fig. 2) is formed on the left outer peripheral edge of the right housing 6.
In fig. 1 and 2, a flange portion 7F is formed on the outer peripheral edge of the right side of the left case 7. The flange portion 6F of the right case 6 and the flange portion 7F of the left case 7 are joint portions of the right case 6 and the left case 7, and end surfaces in the left-right direction are joint surfaces (joint surfaces) that overlap each other and are joined.
As shown in fig. 1, a plurality of boss portions 7F are provided along the flange portion 7F, and boss portions 7F into which bolts 23A are inserted are provided in the flange portion 7F.
A plurality of boss portions, not shown, that match the boss portions 7F are formed in the flange portion 6F, and the boss portions of the flange portion 6F and the boss portions 7F of the flange portion 7F are fastened by bolts 23A (see fig. 1), whereby the right housing 6 and the left housing 7 are fastened and integrated.
An end surface facing the left-right direction is formed on the left outer peripheral edge of the left housing 7, and the left outer peripheral edge of the left housing 7 is a joint surface (mating surface) that is joined to the outer peripheral edge of the cover member 27 by overlapping with each other.
At the outer peripheral edge of the cover member 27, a plurality of boss portions into which the bolts 23B are inserted are provided along the outer peripheral edge, and the cover member 27 is fixed to the left outer peripheral edge of the left housing 7 by the bolts 23B.
The right housing 6 houses a clutch 10 (see fig. 3). The left case 7 houses an input shaft 11, a forward output shaft 12, a reverse output shaft 13, a final reduction mechanism 14, and a differential device 15 shown in fig. 3.
The input shaft 11, the forward output shaft 12, and the reverse output shaft 13 are provided in parallel in the left-right direction of the vehicle. The forward output shaft 12 of the present embodiment constitutes the output shaft of the present invention.
In fig. 3, an input shaft 11 is coupled to the engine 8 through a clutch 10, and power of the engine 8 is transmitted through the clutch 10. In fig. 3, the input shaft 11 includes an input gear 16A for 1 gear, an input gear 16B for 2 gear, an input gear 16C for 3 gear, an input gear 16D for 4 gear, an input gear 16E for 5 gear, and an input gear 16F for 6 gear.
The input gears 16A, 16B are fixed to the input shaft 11 to rotate integrally with the input shaft 11. The input gears 16C to 16F are provided rotatably relative to the input shaft 11.
The forward output shaft 12 has a 1-gear output gear 17A, a 2-gear output gear 17B, a 3-gear output gear 17C, a 4-gear output gear 17D, a 5-gear output gear 17E, a 6-gear output gear 17F, and a forward final drive gear 17G. The output gears 17A to 17F are engaged with the input gears 16A to 16F constituting the same gear shift stage. For example, the output gear 17D for 4 th gear meshes with the input gear 16D for 4 th gear.
The output gears 17A and 17B are provided rotatably relative to the forward output shaft 12. The output gears 17C to 17F and the final drive gear 17G are fixed to the forward output shaft 12 to rotate integrally with the forward output shaft 12.
In 1 st gear, the power of the engine 8 is transmitted from the input shaft 11 to the forward output shaft 12 through the input gear 16A and the output gear 17A. In gear 2, the power of the engine 8 is transmitted from the input shaft 11 to the forward output shaft 12 through the input gear 16B and the output gear 17B.
A 1 st synchronizer 18 is provided between the output gear 17A and the output gear 17B on the forward output shaft 12.
When shifting to 1 st gear by the shift operation, the 1 st synchronizer 18 couples the 1 st output gear 17A to the forward output shaft 12. When shifting to 2 nd gear by the shift operation, the 1 st synchronizer 18 couples the output gear 17B for 2 nd gear to the output shaft 12 for forward motion. In this way, when shifting to 1 st gear or 2 nd gear by the shift operation, the output gear 17A or 17B rotates integrally with the forward output shaft 12.
Between the input gear 16C and the input gear 16D, a 2 nd synchronizer 19 is provided on the input shaft 11.
When shifting to 3 rd gear by the shift operation, the 2 nd synchronizer 19 couples the input gear 16C to the input shaft 11. When shifting to 4 th gear by the shift operation, the 2 nd synchronizer 19 couples the input gear 16D to the input shaft 11. In this way, when shifting to 3 or 4 speed by a shift operation, the input gear 16C or the input gear 16D rotates integrally with the input shaft 11.
In 3 rd gear, the power of the engine 8 is transmitted from the input shaft 11 to the forward output shaft 12 through the input gear 16C and the output gear 17C. In 4 th gear, the power of the engine 8 is transmitted from the input shaft 11 to the forward output shaft 12 through the input gear 16D and the output gear 17D.
Thus, the 2 nd synchronizer 19 provided on the input shaft 11 selects 1 speed gear set from among 1 speed gear sets including the input gear 16C and the output gear 17C and 1 speed gear set including the input gear 16D and the output gear 17D, so that power is transmitted from the input shaft 11 to the forward output shaft 12 through the selected speed gear sets.
A 3 rd synchronizer 20 is provided on the input shaft 11 between the input gear 16E and the input gear 16F.
When shifting to 5 th gear by the shift operation, the 3 rd synchronizer 20 couples the input gear 16E to the input shaft 11. When shifting to 6 th gear by the shift operation, the 3 rd synchronizer 20 couples the input gear 16F to the input shaft 11. In this way, when shifting to 5 th or 6 th gear by a shift operation, the input gear 16E or the input gear 16F rotates integrally with the input shaft 11.
In the 5 th gear, the power of the engine 8 is transmitted from the input shaft 11 to the forward output shaft 12 through the input gear 16E and the output gear 17E. In 6 th gear, the power of the engine 8 is transmitted from the input shaft 11 to the forward output shaft 12 through the input gear 16F and the output gear 17F.
Thus, the 3 rd synchronizer 20 provided on the input shaft 11 selects 1 speed gear set from among 1 speed gear sets including the input gear 16E and the output gear 17E and 1 speed gear set including the input gear 16F and the output gear 17F, so that power is transmitted from the input shaft 11 to the forward output shaft 12 through the selected speed gear sets.
The speed gear set including the input gear 16D and the output gear 17D and the speed gear set including the input gear 16E and the output gear 17E are disposed adjacently in the axial direction of the input shaft 11 between the 2 nd synchronizer 19 and the 3 rd synchronizer 20.
The reverse gear 22A and the final drive gear 22B for reverse are provided on the reverse output shaft 13. The reverse gear 22A is rotatably provided relative to the reverse output shaft 13, and is meshed with the output gear 17A. The final drive gear 22B is fixed to the output shaft 13 for reverse rotation, and rotates integrally with the output shaft 13 for reverse rotation.
The 4 th synchronizer 21 is provided on the reverse output shaft 13. When shifting to the reverse gear by the shift operation, the 4 th synchronizer 21 couples the reverse gear 22A to the output shaft 13 for reverse. Thereby, the reverse gear 22A rotates integrally with the reverse output shaft 13.
In the reverse gear, the power of the engine 8 is transmitted from the input shaft 11 to the reverse output shaft 13 through the input gear 16A, the output gear 17A that rotates relative to the forward output shaft 12, and the reverse gear 22A.
The final drive gear 17G for forward drive and the final drive gear 22B for reverse drive are engaged with the final driven gear 15A of the differential device 15. Thus, the power of the forward output shaft 12 and the power of the reverse output shaft 13 are transmitted to the differential device 15 through the forward final drive gear 17G or the reverse final drive gear 22B.
The differential device 15 includes: a final driven gear 15A; a differential case 15B having a final driven gear 15A mounted on the outer peripheral portion thereof; and a differential mechanism 15C that is built in the differential case 15B.
A cylindrical portion 15c (see fig. 4) is provided at the left end portion of the differential case 15B, and a cylindrical portion, not shown, similar to the cylindrical portion 15c is provided at the right end portion of the differential case 15B. As shown in fig. 3, one end portion of each of the right drive shaft 24R and the left drive shaft 24L is inserted into the tubular portion 15c and the tubular portion not shown.
One end portions of the left and right drive shafts 24L, 24R are coupled to the differential mechanism 15C, and the other end portions of the left and right drive shafts 24L, 24R are coupled to left and right drive wheels, not shown, respectively. The differential device 15 distributes the power of the engine 8 to the left and right drive shafts 24L, 24R via the differential mechanism 15C, and transmits the power to the drive wheels. The final driven gear 15A rotates around the rotation axis 15A.
The input shaft 11, the forward output shaft 12, the input gears 16A to 16F, and the output gears 17A to 17F of the present embodiment constitute a speed change mechanism 61.
The final reduction mechanism 14 includes a final drive gear 17G for advancing and a final driven gear 15A.
In fig. 1 and 2, the motor 32 includes: a motor housing 32A; and a motor shaft 32B rotatably supported by the motor housing 32A. A rotor, not shown, and a stator around which coils are wound are housed in the motor housing 32A, and the motor shaft 32B is integrally provided with the rotor.
In the motor 32, a rotating magnetic field rotating in the circumferential direction is generated by supplying three-phase alternating current to the coil. The stator links the generated magnetic flux with the rotor, thereby driving the rotor integrally with the motor shaft 32B to rotate.
In fig. 1 and 4, the transmission case 5 is provided with a speed reduction mechanism housing portion 25, and the speed reduction mechanism housing portion 25 is formed of a bulge portion 7H of the left case 7 and a cover member 27, which will be described later. A reduction mechanism 33 (see fig. 4) is housed in the reduction mechanism housing portion 25.
In fig. 3 and 4, the speed reducing mechanism 33 includes: a 1 st drive gear 34 provided on the motor shaft 32B of the motor 32; a 1 st intermediate shaft 35; a 2 nd intermediate shaft 36; and an output gear 17D for 4 th gear provided on the forward output shaft 12.
The 1 st intermediate shaft 35 is provided with a 1 st driven gear 35A and a 2 nd drive gear 35B. A 2 nd driven gear 36A and a 3 rd driving gear 36B are provided on the 2 nd intermediate shaft 36.
The 1 st driven gear 35A is formed to have a larger diameter than the 1 st driving gear 34, and is meshed with the 1 st driving gear 34.
The 2 nd drive gear 35B is formed to have a smaller diameter than the 1 st driven gear 35A and the 2 nd driven gear 36A, and is meshed with the 2 nd driven gear 36A. The 2 nd drive gear 35B is disposed on the left side of the 1 st driven gear 35A.
The 3 rd drive gear 36B is formed to have the same diameter as the 2 nd driven gear 36A, and is formed to have a larger diameter than the 4 th output gear 17D, and the 3 rd drive gear 36B is engaged with the 4 th output gear 17D. The 3 rd drive gear 36B is disposed on the right side of the 2 nd driven gear 36A. Further, in the intermeshing gear pair, the number of teeth of the large diameter gear is formed to be larger than the number of teeth of the small diameter gear.
The 1 st drive gear 34 and the 1 st driven gear 35A constitute a 1 st reduction gear pair 37 that connects the motor shaft 32B and the 1 st intermediate shaft 35. The 2 nd drive gear 35B and the 2 nd driven gear 36A are coupled to the 1 st intermediate shaft 35 and the 2 nd intermediate shaft 36 to form a 2 nd reduction gear pair 38. The 3 rd drive gear 36B and the output gear 17D connect the 2 nd intermediate shaft 36 and the forward output shaft 12 to form a 3 rd reduction gear pair 39.
In this way, the speed reduction mechanism 33 has the 1 st intermediate shaft 35 and the 2 nd intermediate shaft 36 on a power transmission path for transmitting power from the motor 32 to the forward output shaft 12. The reduction mechanism 33 reduces the power of the motor 32 and transmits the reduced power to the forward output shaft 12 by setting the diameters and the number of teeth of the driving gears 34, 35B, 36B and the driven gears 35A, 36A to an arbitrary reduction ratio.
The left case 7 has a bulge 7H at its left end portion, which bulges upward. The opening of the left end portion of the left housing 7 is enlarged upward by the bulge 7H. The bulge portion 7H is a housing portion constituting the reduction mechanism housing portion 25, and the reduction mechanism 33 is disposed on the left side thereof.
In fig. 1 and 2, the cover member 27 is joined (fastened) to the left end portion of the left case 7 by a bolt 23B (see fig. 1), and closes the opening of the left end portion of the left case 7 including the portion of the bulge portion 7H. That is, the bulge portion 7H and the cover member 27 disposed on the left side of the bulge portion 7H form the speed-reducing mechanism housing portion 25 that serves as a housing space for the speed-reducing mechanism 33 from the left and right.
In fig. 1 and 2, a motor mounting portion 29C is provided at the upper end portion of the bulge portion 7H on the engine 8 side (right side) thereof. The motor mounting portion 29C is formed in a circular flange shape, and its diameter is enlarged from an upper portion of the bulge portion 7H (more specifically, a left end portion of the upper portion of the bulge portion 7H) to an outer diameter equal to an outer diameter of the motor 32, that is, an outer diameter of the motor housing 32A. A through hole through which a shaft for transmitting the driving force of the motor 32 to the reduction mechanism 33 is inserted is formed in the center of the motor mounting portion 29C so as to be coaxial with the axial center of the motor shaft 32B.
A boss portion 29m is provided on the outer peripheral portion of the motor mounting portion 29C, and a plurality of boss portions 29m are provided along the outer peripheral portion of the motor mounting portion 29C. The bolt 23C is inserted through the boss portion 29m from the left side, and the bolt 23C is screwed into a screw hole, not shown, formed in the motor housing 32A, whereby the motor 32 is fastened to the motor mounting portion 29C.
The motor mounting portion 29C has a motor mounting surface facing the right, and the motor 32 mounted on the motor mounting portion 29C is arranged with the motor shaft 32B along the left-right direction of the vehicle. The motor 32 is disposed so as to extend rightward from a bulge 7H formed in the left side portion of the left case 7 in a state of being exposed to the outside of the transmission case 5.
As shown in fig. 4, the center of the motor shaft 32B of the motor 32 is disposed between the input shaft 11 and the rotation axis 15a of the final driven gear in the front-rear direction of the vehicle. More specifically, the center of the motor shaft 32B of the motor 32 is disposed between the forward output shaft 12 and the rotation axis 15a of the final driven gear in the front-rear direction of the vehicle.
In fig. 1 and 2, a shift unit 41 is provided at an upper portion of the left housing 7 on a front side of the motor 32 in the front-rear direction of the vehicle. The motor 32 and the shift unit 41 are disposed close to the mount attachment portion 31 so as to be close to the mount attachment portion 31 described later when the vehicle 1 is viewed from above.
That is, the motor 32 and the shift unit 41 are provided in front and rear of the mount fitting portion 31. In detail, the mount fitting portion 31 and the bulge portion 7H are arranged in front-rear at the left end portion of the left housing 7, and the shift unit 41 is arranged to extend from the right side of the mount fitting portion 31 to the front, toward the front of the vehicle.
The shift unit 41 is driven for performing a shift operation and a clutch operation of the driving device 4. The shift operation refers to an operation of switching a gear of the drive device 4, and the clutch operation refers to an operation of engaging (connecting) or releasing (disconnecting) the clutch 10 of the drive device 4.
The shift unit 41 is an oil pressure device, and is the following device: the hydraulic pump has an oil pump, a motor for driving the oil pump, a valve unit, an accumulator, a reservoir tank for hydraulic oil, oil passage components, and the like, and has a large number of components and a relatively high weight.
In fig. 4, a shift select shaft 42 is accommodated in the left case 7. The shift select shaft 42 is movable and rotatable in the axial direction with respect to the left case 7, and is operated by the shift unit 41.
In a state where a shift lever, not shown, operated by the driver is shifted to a forward gear or to a reverse gear, the shift unit 41 operates the shift select shaft 42 based on, for example, a shift map in which a throttle opening and a vehicle speed are set in advance as parameters.
The shift select shaft 42 performs control of the shift stage by operating the 1 st to 4 th synchronizers 18 to 21 through a shift operation mechanism including a shift fork (shift), a shift shaft, a shift fork (shift fork), and the like, all of which are not shown. The shift unit 41 operates the shift select shaft 42 by a hydraulic mechanism, a motor mechanism, or the like, but the driving method is not limited to these hydraulic mechanisms, motor mechanisms, or the like.
As shown in fig. 1 and 2, the transmission case 5 is provided with a front bracket 46A and a rear bracket 46B for improving the support rigidity of the motor 32. The front bracket 46A connects the right end front portion of the motor 32 and the right housing 6, and supports the motor 32 to the right housing 6.
The rear bracket 46B connects the right end rear portion of the motor 32 and the right housing 6, and supports the motor 32 to the right housing 6. In this way, the left end portion of the motor 32 is coupled to the motor mounting portion 29C (left housing 7), and the right end portion of the motor 32, which is the opposite side in the axial direction, is coupled to the right housing 6.
A connector 32C is provided on the rear side of the motor 32, and a power supply line (not shown) for supplying power for driving the motor 32 is connected to the connector 32C.
A mount fitting portion 31 is provided at an upper portion of the left housing 7. The mount fitting portion 31 has a plurality of boss portions 31A, and a mounting device, not shown, fixed to the vehicle body 2 is fastened to the boss portions 31A. Thereby, the driving device 4 is elastically supported by the vehicle body 2 by the mounting device.
The motor 32 is spaced apart from the upper surface of the left housing 7 at a position on the rear side of the attachment fitting portion 31, and is disposed above the left housing 7. The engine 8 is elastically supported by a mounting device for the engine, not shown, on the vehicle body 2.
As shown in fig. 4, in the present embodiment, the motor 32 is disposed above the speed change mechanism 61. As shown in fig. 2, the transmission case 5 includes a right case 6, a left case 7, and a cover member 27, which are disposed in this order from the engine 8 side. The right housing 6, the left housing 7, and the cover member 27 form a transmission mechanism housing portion 62 (see fig. 4) that houses the transmission mechanism 61.
That is, the input shaft 11 and the forward output shaft 12 are supported at the right end by the right housing 6 via bearings, the left and right intermediate portions are disposed in the left housing 7, and the left end is supported by the cover member 27 via bearings.
As shown in fig. 1, 2, and 4, the left housing 7 includes: a left case main body portion 7G forming a part of the transmission mechanism housing portion 62; and a bulge portion 7H bulging upward from the left housing main body portion 7G, to which one end side (left end portion) of the motor 32 is attached. The bulge portion 7H and the cover member 27 form a deceleration mechanism housing portion 25, and the deceleration mechanism housing portion 25 houses a deceleration mechanism 33 for decelerating the rotation speed of the motor 32.
As shown in fig. 5 and 6, in the present embodiment, the motor 32 includes: a power receiving portion 32D protruding radially outward from the other end (right end) of the motor 32, and receiving electric power used by the motor 32; and a connector 32C provided on a left side surface (surface that becomes one end side of the motor 32) of the power receiving portion 32D so as to face one end side of the motor 32.
Since the connector 32C is provided toward one end side (left side) of the motor 32, the attaching/detaching direction is a direction along the motor shaft 32B, and the power cord connected to the connector 32C can be routed along the motor 32. The power receiving unit 32D is disposed so as to be located downward as it is further away from the motor 32 radially outward. That is, as shown in fig. 1, the power receiving portion 32D protrudes rearward and downward from the motor 32 and is disposed along the upper surface of the transmission case 5.
In the present embodiment, a motor mounting flange 53 that is coupled to one end side of the motor 32 is formed in the motor mounting portion 29C on the engine 8 side of the bulge portion 7H, the diameter of the motor mounting flange 53 is formed to be larger toward the engine 8 side, a cover member coupling flange 54 that is coupled to the cover member 27 is formed on the cover member 27 side of the bulge portion 7H, and the motor mounting flange 53 and the cover member coupling flange 54 are coupled by a rib 55.
In the present embodiment, the left end portion of the motor 32 is fitted to the right side surface of the bulge portion 7H, and the right end portion of the motor 32 is located in the vicinity of the joint portion of the right housing 6 and the left housing 7. As shown in fig. 2, the power receiving portion 32D at the rear end (right end) of the motor 32 is mounted near the joint portion between the right housing 6 and the left housing 7 via the front bracket 46A and the rear bracket 46B.
As shown in fig. 1, in the present embodiment, the front bracket 46A and the rear bracket 46B are arranged in pairs in the front-rear direction of the motor shaft 32B in the vehicle front-rear direction. That is, the rear end portion of the front bracket 46A on the vehicle front side is coupled to the front upper portion of the motor 32, and the front end portion of the front bracket 46A is coupled to the upper surface of the right housing 6 (refer to fig. 6).
The right housing 6 has a shape in which the upper surface thereof bulges upward as compared with the left housing 7 in order to house the clutch 10, and the front end portion of the front bracket 46A can be fixed to a higher position. Therefore, the front bracket 46A can be disposed so as to extend in the radial direction of the motor 32, and the driving torque of the motor 32 can be efficiently handled. A boss for fixing the front bracket 46A is provided upright on the upper surface of the right housing 6. A screw hole is formed in the boss, and a distal end portion of the front bracket 46A is placed on an upper end surface of the boss, and the distal end portion of the front bracket 46A is tightly fixed to the boss by a bolt screwed from above.
The front end portion of the rear bracket 46B on the vehicle rear side is coupled to the rear lower portion of the motor 32 (in detail, the rear lower portion of the power receiving portion 32D), and the rear end portion of the rear bracket 46B is fixed to a coupling portion of the flange portion 6F and the flange portion 7F (refer to fig. 1) that are high in rigidity in the rear portion of the transmission case 5. Specifically, in order to expand the joint surface with the flange portion 7F, the flange portion 6F of the right housing 6 is expanded, and screw holes along the left-right direction are formed in the expanded portion. The rear end portion of the rear bracket 46B is overlapped to the mating surface of the flange portion 6F, and the rear end portion of the rear bracket 46B is tightly fixed to the flange portion 6F of the right housing 6 by a bolt screwed from the left side.
The rear bracket 46B is also disposed so as to extend in the radial direction of the motor 32, so that the drive torque of the motor 32 can be efficiently handled. The counter torque in both the forward and reverse directions of the motor 32 is received by the pair of front and rear brackets 46A and 46B, and the vibration of the motor 32 is suppressed.
Next, the action will be described.
When the vehicle 1 travels with the engine while traveling forward, the power of the engine 8 is transmitted from the input shaft 11 to any one of the output gears 17A to 17F through any one of the input gears 16A to 16F that establish a predetermined gear shift.
Thus, power is transmitted from the final drive gear 17G of the forward output shaft 12 to the final driven gear 15A, and power of the engine 8 is distributed to the left and right drive shafts 24L, 24R by the differential mechanism 15C of the differential device 15, and then transmitted to the drive wheels, whereby the vehicle 1 travels forward.
On the other hand, when the driving force of the motor 32 is applied during the forward movement of the vehicle 1, the power of the motor 32 is transmitted from the motor shaft 32B to the 1 st driven gear 35A through the 1 st driving gear 34.
Next, the power of the motor 32 is transmitted to the output gear 17D for 4 th gear through the 2 nd drive gear 35B, the 2 nd driven gear 36A, and the 3 rd drive gear 36B. The output gear 17D for 4 th gear is disposed below the bulge 7H of the left case 7 at a position on the left side of the substantially central portion of the speed change mechanism 61 in the axial direction of the forward output shaft 12.
Since the diameter and the number of teeth of the driving gears 34, 35B, 36B and the driven gears 35A, 36A are set so that the reduction mechanism 33 has an arbitrary reduction ratio, the power of the motor 32 is reduced and transmitted to the forward output shaft 12.
Thereby, power is transmitted from the final drive gear 17G of the forward output shaft 12 to the final driven gear 15A, and the vehicle 1 travels forward. When the driving force of the motor 32 is applied in the case where the vehicle 1 is traveling backward, the rotation direction of the motor 32 is reversed with respect to the forward traveling. In this case, the drive force transmission paths from the motor 32 to the forward output shaft 12 are the same. In addition, in the case of regenerative braking by the motor 32, the power transmission direction is reversed, but the driving force transmission path is the same as that in the forward running.
As described above, according to the driving device 4 of the present embodiment, the motor 32 is disposed above the transmission mechanism 61, and the transmission case 5 has the right case 6, the left case 7, and the cover member 27 disposed in this order from the side of the engine 8.
The right housing 6, the left housing 7, and the cover member 27 form a transmission mechanism housing portion 62 that houses the transmission mechanism 61.
In addition, the left housing 7 has: a left case main body portion 7G forming a part of the transmission mechanism housing portion 62; and a bulge portion 7H bulging upward from the left housing main body portion 7G, and to which one end side of the motor 32 is attached.
The bulge portion 7H and the cover member 27 form a deceleration mechanism housing portion 25, and the deceleration mechanism housing portion 25 houses a deceleration mechanism 33 for decelerating the rotation speed of the motor 32.
Accordingly, the motor 32 can be disposed by effectively using the space above the transmission case 5, and the transmission case 5 can be prevented from being enlarged. In the present embodiment, the motor 32 is disposed substantially entirely above the left housing 7 (left housing main body portion 7G) and the motor 32 is mounted in a state of being exposed without being incorporated in the transmission housing 5, whereby the drive device 4 can be further miniaturized.
As a result, the transmission can be prevented from being enlarged due to the provision of the driving motor 32.
According to the driving device 4 of the present embodiment, the motor 32 has: a power receiving portion 32D protruding radially outward from the other end side of the motor 32 and receiving electric power used by the motor 32; and a connector 32C provided in the power receiving portion 32D and directed toward one end side of the motor 32. The power receiving unit 32D is disposed so as to be located downward as it is further away from the motor 32 radially outward.
Thus, the power receiving portion 32D of the motor 32 can be disposed close to the transmission case 5, and interference between the power receiving portion 32D and the peripheral components of the transmission case 5 can be prevented.
Further, since the power cord connected to the connector 32C can be wired so as to extend along the transmission case 5 toward one end side of the motor 32, the power cord can be easily connected to the connector 32C on the motor 32 side without interfering with other components, and other components can be easily assembled to the vehicle 1 without interfering with the power cord.
According to the driving device 4 of the present embodiment, the motor mounting flange 53 coupled to the one end side of the motor 32 is formed at the end portion of the bulge portion 7H on the engine 8 side, and the diameter of the motor mounting flange 53 is formed to be larger toward the engine 8 side. A cover member coupling flange 54 coupled to the cover member 27 is formed on the cover member 27 side of the bulge portion 7H. The motor mounting flange 53 and the cover member coupling flange 54 are connected by a rib 55.
This can improve the rigidity of the motor mounting flange 53 of the bulge 7H.
According to the driving device 4 of the present embodiment, the power receiving portion 32D is fitted to the vicinity of the joint portion of the right casing 6 with the left casing 7 through the front bracket 46A and the rear bracket 46B.
This can improve the rigidity of the motor 32 mounted to the transmission case 5, and suppress the vibration of the motor 32, thereby improving the durability of the transmission case 5.
According to the driving device 4 of the present embodiment, the front bracket 46A and the rear bracket 46B are arranged with a pair in the vehicle front-rear direction.
Accordingly, the torque reaction force of the motor 32 can be reliably received by the front bracket 46A and the rear bracket 46B, the load applied to the motor mounting flange 53 can be reduced, and the durability of the transmission case 5 can be improved.
Although embodiments of the present invention have been disclosed, it will be apparent to those skilled in the art that variations may be made without departing from the scope of the invention. It is intended to include all such modifications and equivalents as fall within the scope of the claims appended hereto.

Claims (4)

1. A drive device for a hybrid vehicle is provided with:
a speed change mechanism that changes a rotational speed of a driving force transmitted from an engine;
a transmission case accommodating the transmission mechanism; and
an electric motor that transmits a driving force to the transmission mechanism, wherein the hybrid vehicle driving apparatus is characterized in that,
the motor is disposed above the speed change mechanism,
the transmission case has a right case, a left case, and a cover member arranged in this order from one side of the engine,
a transmission mechanism housing portion for housing the transmission mechanism is formed by the right housing, the left housing, and the cover member,
the left housing has:
a left housing main body part forming a part of the transmission mechanism housing part; and
a bulge part bulging upward from the left housing body part, to which one end side of the motor is attached,
a speed reduction mechanism housing portion formed by the bulge portion and the cover member, the speed reduction mechanism housing portion housing a speed reduction mechanism that reduces a rotational speed of the motor, the cover member supporting one end portion of an input shaft and an output shaft of the speed change mechanism,
a motor mounting flange coupled to one end of the motor is formed at an end of the bulge portion on the engine side, the motor mounting flange having a diameter that increases toward the engine side,
a cover member coupling flange coupled to the cover member is formed on the cover member side of the bulge portion,
the motor mounting flange and the cover member coupling flange are rib-coupled.
2. The drive device for a hybrid vehicle according to claim 1, wherein,
the motor includes:
a power receiving unit that protrudes radially outward from the other end side of the motor and receives electric power used by the motor; and
a connector provided in the power receiving portion and directed toward one end side of the motor,
the power receiving unit is disposed so as to be located downward as it is farther from the motor to the radial outside.
3. The drive device for a hybrid vehicle according to claim 2, wherein,
the power receiving portion is mounted near a joint portion between the right housing and the left housing via a bracket.
4. The drive device for a hybrid vehicle according to claim 3, wherein,
the brackets are arranged in a pair in the vehicle front-rear direction.
CN201911318138.5A 2018-12-21 2019-12-19 Driving device for hybrid vehicle Active CN111347865B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018239447A JP7271937B2 (en) 2018-12-21 2018-12-21 Drive system for hybrid vehicle
JP2018-239447 2018-12-21

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CN111347865B true CN111347865B (en) 2024-01-23

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DE (1) DE102019218973B4 (en)
FR (1) FR3090513B1 (en)

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JP2020100263A (en) 2020-07-02
DE102019218973B4 (en) 2023-12-21
FR3090513A1 (en) 2020-06-26
JP7271937B2 (en) 2023-05-12
FR3090513B1 (en) 2024-02-16
CN111347865A (en) 2020-06-30
DE102019218973A1 (en) 2020-06-25

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