CN104442344B - 驱动桥装置 - Google Patents

驱动桥装置 Download PDF

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CN104442344B
CN104442344B CN201410438811.XA CN201410438811A CN104442344B CN 104442344 B CN104442344 B CN 104442344B CN 201410438811 A CN201410438811 A CN 201410438811A CN 104442344 B CN104442344 B CN 104442344B
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shaft
gear
motor
drive
power
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CN104442344A (zh
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本山廉夫
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Mitsubishi Motors Corp
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Mitsubishi Motors Corp
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    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • 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
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    • 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
    • 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
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
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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
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    • 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
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    • B60K2006/4816—Electric machine connected or connectable to gearbox internal shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0008—Transmissions for multiple ratios specially adapted for front-wheel-driven vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S903/00—Hybrid electric vehicles, HEVS
    • Y10S903/902—Prime movers comprising electrical and internal combustion motors
    • Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
    • Y10S903/904—Component specially adapted for hev
    • Y10S903/915—Specific drive or transmission adapted for hev
    • Y10S903/917—Specific drive or transmission adapted for hev with transmission for changing gear ratio
    • Y10S903/919—Stepped shift

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

本发明涉及驱动桥装置。从连接至电动机(3)的电机轴(12)和连接至发电机(5)的发电机轴(13)至包括湿式多片离合器(14)的离合器轴(15)的中心距离D1被设定为长于从电动机(3)的轴中心(即，电机轴(12)的轴中心)至收纳电动机(3)的壳体的最外圆周的距离Dm。湿式多片离合器(14)被布置位于离合器轴(15)的电动机(3)侧。湿式多片离合器(14)和电动机(3)被布置为在发动机轴(11)的轴线方向上彼此重叠。致动湿式多片离合器(14)的活塞(36)被布置在收纳电动机(3)的壳体的外圆周部中，以便在发动机轴(11)的轴线方向上与电动机(3)重叠。

Description

驱动桥装置
技术领域
本发明涉及一种驱动桥装置(transaxle device)，并且更具体地，涉及驱动桥装置的结构。
背景技术
通常已知的是诸如混合动力车或者插电式混合动力车辆的包括多个行驶驱动源的车辆。混合动力车或者插电式混合动力车辆包括作为行驶驱动源的发动机和电动机。作为此类混合动力车或者插电式混合动力车辆，已经开发能够以用于利用发动机和电动机两者的驱动力同时驱动轮子的平行驱动模式驱动的车辆。
作为混合动力车或者插电式混合动力车辆，例如，存在其中发动机和电动机被并排布置在车辆的前部的左右方向上并且经由驱动桥装置驱动连接至前轮的驱动轴的车辆。
例如，已知与发动机同轴布置的发动机轴、电动机和发电机连接至的发电机轴以及通过差速齿轮连接至驱动轴的空转轮轴彼此平行布置的配置(参见日本专利号4958126)。在发电机轴中，与发电机连接的内圆周轴和与电动机连接的外圆周轴被整体配置为能够相对旋转。内圆周轴由发动机驱动。发动机轴包括连接和断开经由空转轮轴和差速齿轮驱动该驱动轴的发动机的动力传输的离合器。
在用于利用发动机的动力在发电机中产生电力并且使得车辆利用电动机的动力行驶的串行模式中，断开包括在发动机轴中的离合器，发电机通过经由发动机轴和内圆周轴的发动机的动力驱动，并且驱动轴通过经由差速齿轮、空转轮轴和外圆周轴的电动机的动力驱动。当利用发动机的动力驱动发电机以便产生动力时，在用于使得车辆利用发动机的动力和电动机的动力行驶的并行模式中，连接包括在发动机轴中的离合器以经由发动机轴、空转轮轴和差速齿轮将发动机的动力传输至驱动轴。
在专利出版物中公开的用于混合动力车的驱动装置中，离合器被布置在发动机轴中，发动机轴被设置在用于将发动机的动力传输至内圆周轴的输出齿轮与用于将发动机的动力传输至空转轮轴的输出齿轮之间。
然而，当离合器以这种方法被布置在包括在发动机轴中的输出齿轮之间时，因为离合器的安装空间减少，故离合器的设计的自由度减小。此外，发动机轴在轴向上是长的并且驱动桥装置在发动机轴方向上是长的。因此，例如，在其中发动机的输出轴在车辆的车辆宽度方向上延伸的车辆中，因为驱动桥装置在车辆宽度方向上是长的，故使可安装性不期望地降低。
发明内容
因此，本发明的目的是提供可以提高车辆上的可安装性的驱动桥装置。
为了实现该目的，根据本发明的驱动桥装置包括：第一驱动轴，布置为与安装在车辆上的发动机的曲轴(crankshaft)同轴并且连接至曲轴；第一输出轴，布置为与第一驱动轴平行并且被配置为经由差速齿轮将动力传输至车辆的行驶驱动轴；第二输出轴，布置为与第一输出轴平行并且被配置为经由差速齿轮将动力传输至行驶驱动轴；第二驱动轴，布置为与第一输出轴平行并且由内轴和内包内轴的外轴构成以能够相对旋转；第一电动机，布置为与内轴同轴并且连接至内轴；第二电动机，布置为与外轴同轴并且连接至外轴；第一齿轮组，通过啮合多个齿轮构成并且被配置为在第一驱动轴与内轴之间传输动力；第二齿轮组，通过啮合多个齿轮构成并且被配置为在外轴与第一输出轴之间传输动力；第三齿轮组，通过啮合多个齿轮构成并且被配置为在第一驱动轴与第二输出轴之间传输动力；以及动力连接和断开单元，被设置在第二输出轴中并且被配置为连接和断开由第一驱动轴传输的动力。第二驱动轴和第二输出轴之间的轴心距离被设定为长于从第二电动机的轴中心至收纳第二电动机的壳体的最外圆周的距离。
因此，可以增加动力连接和断开单元的设定位置的设计自由度和用于致动动力连接和断开单元的诸如液压路径的驱动电路的设计的自由度。
因此，例如，可以将动力连接和断开单元设置在比第二输出轴的第三齿轮组更靠近第二电动机侧上，并且将动力连接和断开单元和第二电动机布置为当从第二输出轴的延伸方向上观察时彼此没有干扰。可以在第二输出轴的轴线方向上形成形状很大的动力连接和断开单元。可以放置电路、液压管路(hydraulic circuit)等用于致动在第二输出轴的延伸方向上的动力连接和断开单元。就布局而言，这是有利的。
优选地，可以将动力连接和断开单元设置在比第二输出轴的第三齿轮组更靠近第二电动机侧上，并且将动力连接和断开单元和第二电动机布置为当从垂直于第二输出轴的方向上观察时彼此重叠。
因此，可以减小驱动桥装置的第一驱动轴的轴线方向上的长度。因此，可以提高车辆上的可安装性。
优选地，第二齿轮组和第三齿轮组被布置为当从垂直于第一驱动轴的方向上观察时彼此重叠。
因此，可以减小在第一驱动轴的轴线方向上的长度并且减小驱动桥装置在第一驱动轴的轴线方向上的长度。
优选地，动力连接和断开单元是同步啮合装置。
因此，尽管例如在湿式多片离合器中，因为在离合器摩擦片中放入油，故出现滑动阻力，由于放入油而导致的滑动阻力没有出现在同步啮合装置中。因此，在仅通过第二电动机的行驶期间，可以减小摩擦力并且减小安装在车辆上的电池的电力消耗。此外，可以平稳地执行第三齿轮组和第二输出轴的连接并且紧凑地配置驱动桥装置。
优选地，驱动桥装置进一步包括被配置为致动动力连接和断开单元的致动机构，并且致动机构至少放置在收纳第二电动机的壳体的外圆周部中。
因此，可以抑制由于放置致动机构而导致的驱动桥装置在第一驱动轴的轴线方向上的长度的增加。
优选地，第一电动机和第二电动机被布置为彼此邻近。
因此，还可以在收纳第一电动机的壳体的外圆周部中布置致动机构以便与第一驱动轴的轴线方向上的第一电动机重叠。即使致动机构很大，仍可以抑制在第一驱动轴的轴线方向上的驱动桥装置的长度的增加。
优选地，形成第二齿轮组的齿轮的啮合的数量是奇数并且形成第一齿轮组的齿轮啮合的数量和形成第三齿轮组的齿轮的啮合的数量的总数是偶数。
因此，因为第二齿轮组的啮合的数量被设定为奇数，故第二电动机的旋转方向与行驶驱动轴的旋转方向相同。因为第一齿轮组的啮合的数量和第三齿轮组的啮合的数量的总数被设定为偶数，故第一发电机的旋转方向与行驶驱动轴的旋转方向相反。即，第二电动机的旋转方向和第一电动机的旋转方向彼此相反。因此，第二电动机的振动和第一发电机的振动彼此抵消。可以减小整个车辆中的振动。
附图说明
图1是根据本发明的第一实施方式的驱动桥装置的示意性配置图；
图2是根据本发明的第一实施方式的驱动桥装置的示意图；
图3是示出了根据本发明的第一实施方式的驱动桥装置中的齿轮的啮合状态的说明图；以及
图4是根据本发明的第二实施方式的驱动桥装置的示意图。
具体实施方式
以下参考附图说明本发明的实施方式。
第一实施方式
图1是根据本发明的第一实施方式的驱动桥装置的示意性配置图。图2是根据本发明的第一实施方式的驱动桥装置的示意图。图3是示出了根据本发明的第一实施方式的驱动桥装置中的齿轮的啮合状态的说明图。应注意，在图1至图3中，前向表示车辆的前面方向，横向表示车辆的宽度方向，并且向上表示车辆的向上的方向。即，在图1和图2中，右侧是车辆的右边的方向并且左侧是车辆的左边的方向。图3是从驱动桥装置的侧面方向的视图。图2中的虚线表示下文说明的彼此啮合的第一末端齿轮22和第三末端齿轮32。
根据本发明的第一实施方式的驱动桥装置1在混合动力车(下文中称之为车辆)中被采用，其中，发动机2和电动机3(第二电动机)作为行驶驱动源被放置在横向上。该实施方式中的车辆是前轮驱动车辆，所谓的FF车辆在车辆的前部安装有发动机2和电动机3以驱动作为前车轴的驱动轴4(行驶驱动轴)。
如图1至图3中所示，在根据第一实施方式的车辆中，发动机2和电动机3被布置为在横穿驱动桥装置1的车辆的左右方向上彼此分离。发电机(第一电动机)5被设置为在车辆左边的方向上邻近于电动机3。应注意，发动机2、电动机3、驱动桥装置1和发电机5配置车辆的电动装置(power plant)并且由车身整体地支撑。
驱动桥装置1包括经由驱动盘(drive plate)10连接至发动机2的曲轴2a的发动机轴11(第一驱动轴)，由电动机3驱动的电机轴12(第二驱动轴，外轴)，用于发电机5的驱动轴的发电机轴13(第二驱动轴，内轴)，包括湿式多片离合器(动力连接和断开单元)14的离合器轴(第二输出轴)15以及输出轴(第一输出轴)16。
发动机轴11、电机轴12、发电机轴13、离合器轴15和输出轴16被布置为在车辆的宽度方向上彼此平行延伸。
驱动盘10被连接至发动机轴11的车辆的右方端部。发动机轴11由一对轴承17可旋转地支撑。
电机轴12被形成为空心形状。电机轴12由在两个端部的一对轴承18可旋转地支撑。
发电机轴13与电机轴12同轴地布置在电机轴12的内部并且与电机轴12相对可旋转。发电机轴13形成为比电机轴12长。发电机轴13的两端比电机轴12进一步向外突出。发电机轴13在两端和中心由多个(在这个实施方式中为三个)轴承19和20可旋转地支撑。电机轴12和发电机轴13在车辆的左端分别从驱动桥装置1突出。电机轴12的车辆左方端部附近连接至电动机3。发电机轴13的车辆左方端部附近连接至发电机5。
驱动桥装置1包括向左和右驱动轴4分配动力的差速齿轮21。
离合器轴15被配置为能够将动力经由设置在离合器轴15的车辆右方端部附近的第一末端齿轮22传输至差速齿轮21。离合器轴15被布置在其中离合器轴15与电机轴12之间的中心距离D1长于从电机轴12的轴中心至收纳电动机3的壳体的最外圆周的距离Dm的位置中。应注意，离合器轴15由一对轴承23可旋转地支撑。
输出轴16被配置为能够将动力经由设置在输出轴16的车辆右方端部附近的第二末端齿轮24传输至差速齿轮21。输出轴16由一对轴承25可旋转地支撑。
在发动机轴11中，从车辆右方(发动机2侧)按顺序布置第一固定齿轮26和第二固定齿轮27。第一固定齿轮26和第二固定齿轮27被固定到发动机轴11并且被配置为根据发动机轴11的旋转而旋转。
第三固定齿轮28被设置在电机轴12的车辆右方端部附近。第三固定齿轮28被固定至电机轴12并且被配置为与电机轴12一起旋转。
第四固定齿轮29被设置在发电机轴13的车辆右方端部附近。第四固定齿轮29被固定至发电机轴13并且被配置为与发电机轴13一起旋转。第四固定齿轮29被布置为与发动机轴11的轴线方向对齐以与第一固定齿轮26啮合。应注意，第一固定齿轮26和第四固定齿轮29形成第一齿轮组30。即，发动机轴11和发电机轴13被配置为能够经由包括两个齿轮26和29的第一齿轮组30一直传输动力，第一齿轮组30的啮合的数量是1。
在离合器轴15中，从车辆右方(发动机2侧)按顺序布置第一末端齿轮22、空转齿轮31以及湿式多片离合器14。
第一末端齿轮22被固定到离合器轴15上并且被配置为与离合器轴15一起旋转。第一末端齿轮22被布置为与发动机轴11的轴线方向对齐以与包括在差速齿轮21中的第三末端齿轮32啮合。
空转齿轮31被支撑以相对于离合器轴15是可旋转的。空转齿轮31被布置为与发动机轴11的轴线方向对齐以与第二固定齿轮27啮合。应注意，第二固定齿轮27和空转齿轮31形成第三齿轮组33。即，发动机轴11和离合器轴15被配置为能够经由包括两个齿轮27和31的第三齿轮组33一直传输动力，第三齿轮组33的啮合的数量是1。
湿式多片离合器14是连接和断开动力传输的离合器，动力从发动机轴11输入至空转齿轮31，然后至离合器轴15。由活塞(等同于本发明的致动机构)36控制湿式多片离合器14的致动。湿式多片离合器14被布置为在发动机轴11的轴线方向上与电动机3重叠。
活塞36被布置在收纳电动机3的壳体的外圆周部中，以在发动机轴11的轴线方向上与电动机3重叠。活塞36利用液压来控制湿式多片离合器14的致动。
在输出轴16中，从车辆右方(发动机2侧)按顺序布置第二末端齿轮24和第五固定齿轮34。第二末端齿轮24和第五固定齿轮34被固定至输出轴16上并且被配置为与输出轴16一起旋转。
第二末端齿轮24被布置为与发动机轴11的轴线方向对齐以便与包括在差速齿轮21中的第三末端齿轮32啮合。
第五固定齿轮34被布置为与发动机轴11的轴线方向对齐以与第三固定齿轮28啮合。应注意，第三固定齿轮28和第五固定齿轮34形成第二齿轮组35。即，电机轴12和输出轴16被配置为能够经由包括两个齿轮28和34的第二齿轮组35一直传输动力，第二齿轮组35的啮合的数量是1。应注意，啮合的数量表示当齿轮传输动力时多个齿轮的旋转方向被切换的次数而不表示齿轮的齿彼此接触的次数。应注意，第二齿轮组35和第三齿轮组33被彼此不重叠地布置在发动机轴11的轴线方向上。
利用此配置，在根据本发明的第一实施方式的驱动桥装置1中，发动机轴11和发电机轴13被配置为能够经由第一齿轮组30一直传输动力。电机轴12和输出轴16被配置为能够经由第二齿轮组35一直传输动力。湿式多片离合器14受到致动控制以防止离合器轴15和空转齿轮31连接。电力从安装在车辆上的未被示出的电池提供以驱动电动机3。结果，可以实现用于利用电动机3执行行驶驱动的EV行驶模式。应注意，在这种情况下，根据电动机3的要求的动力的增加和电池的充电率的减少来驱动发动机2。因此，可以利用发动机2驱动发电机5并且产生电力。可以将电力供给至电动机3并且使电池充电。因此，可以实现串联行驶模式(series traveling mode)。
当湿式多片离合器14受到致动控制并且离合器轴15和空转齿轮31连接时，发动机轴11和离合器轴15可以经由第三齿轮组33传输动力。因此，可以实现其中通过发动机2执行行驶驱动的发动机直接连接模式。在这种情况下，通过驱动电动机3可以实现其中动力从电动机3传输至输出轴16并且执行行驶驱动的并联行驶模式(parallel traveling mode)。
以这种方法，在根据本发明的第一实施方式的驱动桥装置1中，电机轴12或者发电机轴13与包括湿式多片离合器14的离合器轴15之间的中心距离D1被设定为长于从电动机3的轴中心(即，电机轴12的轴中心)至收纳电动机3的壳体的最外圆周的距离Dm。因此，可以增加湿式多片离合器14的设定位置的设计自由度和活塞36的设计的自由度。
因此，可以将湿式多片离合器14设置在比离合器轴15的第三齿轮组33更靠近电动机3侧上并且将湿式多片离合器14和电动机3布置为当从发动机轴11的延伸方向观察时彼此没有干扰。可以在离合器轴15的轴线方向上形成形状很大的湿式多片离合器14。可以在离合器轴15的延伸方向上设置致动湿式多片离合器14的活塞36。就布局而言，这是有利的。
可以将湿式多片离合器14设置在比离合器轴15的第三齿轮组33更靠近电动机3侧上并且在发动机轴11的轴线方向上布置湿式多片离合器14和电动机3以便彼此重叠。可以减小驱动桥装置1在发动机轴11的轴线方向上的长度。
因此，可以提高车辆上的可安装性。
致动湿式多片离合器14的活塞36被布置在收纳电动机3的壳体的外圆周部中，以在发动机轴11的轴线方向上与电动机3重叠。因此，可以抑制在发动机轴11的轴线方向上的驱动桥装置1的长度的增加。
具体地，发电机5和电动机3被布置为彼此邻近。因此，还可以在收纳发电机5的壳体的外圆周部中布置活塞36以在发动机轴11的轴线方向上与发电机5重叠。即使活塞36很大，仍可以抑制在发动机轴11的轴线方向上的驱动桥装置1的长度的增加。
因为第二齿轮组35和第三齿轮组33被布置在发动机轴11的轴线方向上并且彼此没有重叠，第二齿轮组35和第三齿轮组33彼此没有干扰。因此，可以增加各个齿轮组的齿轮比的设定范围。
第二齿轮组35的啮合的数量被设定为奇数以将电动机3的旋转方向设定为与驱动轴4的旋转方向(发动机旋转方向)相同。第一齿轮组30的啮合的数量和第三齿轮组33的啮合的数量的总数被设定为偶数以将发电机5的旋转方向设定为与驱动轴4的旋转方向(发动机旋转方向)相反。即，电动机3的旋转方向和发电机5的旋转方向被设定为彼此相反。因此，电动机3的振动和发电机5的振动彼此抵消。可以减小整个电动装置和整个车辆中的振动。
第二实施方式
下面对根据本发明的第二实施方式的驱动桥装置进行说明。
第二实施方式与第一实施方式的不同在于在发动机轴11的轴线方向上的驱动桥装置1'的空转齿轮31和第二固定齿轮27的位置，以及区别在于用于连接和断开从发动机轴11输入至空转齿轮31，然后至离合器轴15的动力传输的机构为同步器(动力连接和断开单元、同步啮合装置)14'并且活塞36被改变为控制同步器14'的致动的致动器(等于本发明的致动机构)36'。下面对与第一实施方式的区别进行说明。
图4是根据本发明的第二实施方式的驱动桥装置的示意图。应注意，在图4中，前向表示车辆的前面方向并且横向表示车辆的宽度方向。即，在图4中，右侧是车辆的右边方向并且左侧是车辆的左边方向。图4中的虚线表示彼此啮合的第一末端齿轮22和第三末端齿轮32。
将第一固定齿轮26和第二固定齿轮27从车辆右方(发动机2侧)按顺序布置在发动机轴11中。第一固定齿轮26和第二固定齿轮27被固定到发动机轴11并且被配置为根据发动机轴11的旋转而旋转。
在离合器轴15中，从车辆右方(发动机2侧)按顺序布置第一末端齿轮22、空转齿轮31和同步器14'。
第一末端齿轮22被固定到离合器轴15上并且被配置为与离合器轴15一起旋转。第一末端齿轮22被布置为与发动机轴11的轴线方向对齐以与包括在差速齿轮21中的第三末端齿轮32啮合。
空转齿轮31被支撑以相对于离合器轴15是可旋转的。空转齿轮31被布置为与发动机轴11的轴线方向对齐以与第二固定齿轮27啮合。应注意，第二固定齿轮27和空转齿轮31形成第三齿轮组33。即，发动机轴11和离合器轴15被配置为能够经由包括两个齿轮27和31的第三齿轮组33一直传输动力，第三齿轮组33的啮合的数量是1。第三齿轮组33被布置为在发动机轴11的轴线方向上与第二齿轮组35重叠。
同步器14'是连接和断开动力传输的装置，动力从发动机轴11输入至空转齿轮31，然后至离合器轴15。同步器14'的致动由致动器36'控制。同步器14'被布置为在发动机轴11的轴线方向上与电动机3重叠。
致动器36'被布置在收纳电动机3的壳体的外圆周部中，以在发动机轴11的轴线方向上与电动机3重叠。致动器36'控制同步器14'的致动。
利用上述配置，在根据本发明的第二实施方式的驱动桥装置1'中，发动机轴11和发电机轴13被配置为能够经由第一齿轮组30一直传输动力。电机轴12和输出轴16被配置为能够经由第二齿轮组35一直传输动力。同步器14'受到致动控制以防止离合器轴15和空转齿轮31连接。如在第一实施方式中，从安装在车辆上的未被示出的电池供给电力以便驱动电动机3。因此，可以实现用于利用电动机3执行行驶驱动的EV行驶模式。应注意，在这种情况下，根据电动机3所要求的动力上的增加和电池的充电率上的减少来驱动发动机2。因此，可以利用发动机2驱动发电机5并且产生动力。可以将电力提供给电动机3并且使电池充电。因此，可以实现串联行驶模式。
当同步器14'受到致动控制并且离合器轴15和空转齿轮31连接时，发动机轴11和离合器轴15可以经由第三齿轮组33传输动力。因此，可以实现发动机直接连接模式，其中，通过发动机2执行行驶驱动。在这种情况下，通过驱动电动机3，可以实现并联行驶模式，其中，动力从电动机3被传输至输出轴16并且执行行驶驱动。
以这种方法，在根据本发明的第二实施方式的驱动桥装置1'中，第二齿轮组35和第三齿轮组33被布置为在发动机轴11的轴线方向上彼此重叠。因此，可能根据第二齿轮组35和第三齿轮组33的齿轮比出现干扰。第二齿轮组35和第三齿轮组33的齿轮比是受限的。然而，可以减小在发动机轴11的轴线方向上的长度并且减小驱动桥装置1'在发动机轴11的轴线方向上的长度。
因此，可以进一步提高车辆上的可安装性。
通过同步器14'执行动力传输的连接和断开，该动力从发动机轴11输入至空转齿轮31，然而至离合器轴15。因此，尽管，例如在第一实施方式中的湿式多片离合器14中，因为在离合器摩擦片中放入油，故出现滑动阻力，由于放入油而导致在同步器14'中没有出现滑动阻力。因此，在仅通过电动机3的行驶期间，可以减小摩擦力并且减小装配在车辆上的电池的电力消耗。在第一实施方式中的用于将发动机2的驱动力传输至驱动轴4的发动机直接连接模式或者并联行驶模式中，需要对着空转齿轮31按压湿式多片离合器14的力。然而，当使用同步器14'时，用于按压湿式多片离合器14的力是不必要的。因此，提高了整个车辆的能量效率。此外，当使用同步器14'时，可以平稳地执行第三齿轮组33与离合器轴15的连接并且紧凑地配置驱动桥装置1'。
如在第一实施方式中，发电机5和电动机3邻近于彼此布置。因此，还可以在收纳发电机5的壳体的外圆周部中布置致动器36'，以在发动机轴11的轴线方向上与发电机5重叠。即使致动器36'很大，可以抑制驱动桥装置1'在发动机轴11的轴线方向上的长度的增加。
上文对本发明的实施方式进行了说明。然而，本发明的模式不局限于实施方式。
在第一实施方式中，通过湿式多片离合器14执行动力传输的连接和断开，该动力从发动机轴11输入至空转齿轮31，然而至离合器轴15。然而，动力传输的连接和断开不限于此。可以使用在第二实施方式中使用的同步器14'或者爪形离合器(dog clutch)。如在第二实施方式中，由于放入油而没有出现滑动阻力。因此，在仅通过电动机3的行驶期间，可以减小摩擦力并且减小装配在车辆上的电池的电力消耗。
在第二实施方式中，通过同步器14'执行从发动机轴11输入至空转齿轮31的动力传输的连接和断开。然而，动力传输的连接和断开不限于此。可以使用爪形离合器。

Claims (10)

1.一种驱动桥装置，包括：
第一驱动轴(11)，布置为与安装在车辆上的发动机(2)的曲轴(2a)同轴，并且连接至所述曲轴；
第一输出轴(16)，布置为与所述第一驱动轴平行并且被配置为经由差速齿轮将动力传输至所述车辆的行驶驱动轴(4)；
第二输出轴(15)，布置为与所述第一输出轴平行并且被配置为经由所述差速齿轮将所述动力传输至所述行驶驱动轴；
第二驱动轴(12、13)，由内轴(13)和外轴(12)构成，其中，所述第二驱动轴布置为与所述第一输出轴平行，并且所述内轴和所述外轴能够相对旋转；
第一电动机(5)，布置为与所述内轴同轴并且连接至所述内轴；
第二电动机(3)，布置为与所述外轴同轴并且连接至所述外轴；
第一齿轮组(30)，通过啮合多个齿轮构成并且被配置为在所述第一驱动轴与所述内轴之间传输所述动力；
第二齿轮组(35)，通过啮合多个齿轮构成并且被配置为在所述外轴与所述第一输出轴之间传输所述动力；
第三齿轮组(33)，通过啮合多个齿轮构成并且被配置为在所述第一驱动轴与所述第二输出轴之间传输所述动力；以及
动力连接和断开单元(14)，设置在所述第二输出轴中并且被配置为连接和断开由所述第一驱动轴传输的所述动力，其特征在于，
所述第二驱动轴(12、13)与所述第二输出轴(15)之间的轴心距离被设定为长于从所述第二电动机(3)的轴中心至收纳所述第二电动机(3)的壳体的最外圆周的距离。
2.根据权利要求1所述的驱动桥装置，其特征在于，
所述动力连接和断开单元(14)被设置在比所述第二输出轴(15)的所述第三齿轮组(33)更靠近所述第二电动机(3)侧上，并且
当从垂直于所述第二输出轴的方向上观察时，所述动力连接和断开单元和所述第二电动机被布置为彼此重叠。
3.根据权利要求1所述的驱动桥装置，其特征在于，当从垂直于所述第一驱动轴(11)的方向上观察时，所述第二齿轮组(35)和所述第三齿轮组(33)被布置为彼此重叠。
4.根据权利要求2所述的驱动桥装置，其特征在于，当从垂直于所述第一驱动轴(11)的方向上观察时，所述第二齿轮组(35)和所述第三齿轮组(33)被布置为彼此重叠。
5.根据权利要求1所述的驱动桥装置，其特征在于，所述动力连接和断开单元(14)是同步啮合装置(14')。
6.根据权利要求4所述的驱动桥装置，其特征在于，所述动力连接和断开单元(14)是同步啮合装置(14')。
7.根据权利要求1至6中任一项所述的驱动桥装置，进一步包括致动机构(36、36')，所述致动机构(36、36')被配置为致动所述动力连接和断开单元(14)，其特征在于，
所述致动机构被设置在至少收纳所述第二电动机(3)的所述壳体的外圆周部中。
8.根据权利要求7所述的驱动桥装置，其特征在于，所述第一电动机(5)和所述第二电动机(3)被布置为彼此邻近。
9.根据权利要求1所述的驱动桥装置，其特征在于，
形成所述第二齿轮组(35)的齿轮的啮合的数量是奇数，并且
形成所述第一齿轮组(30)的齿轮的啮合的数量与形成所述第三齿轮组(33)的所述齿轮的啮合的数量的总和是偶数。
10.根据权利要求8所述的驱动桥装置，其特征在于，
形成所述第二齿轮组(35)的齿轮的啮合的数量是奇数，并且
形成所述第一齿轮组(30)的齿轮的啮合的数量和形成所述第三齿轮组(33)的所述齿轮的啮合的数量的总和是偶数。
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