CN111347867B - 混合动力车辆用驱动装置 - Google Patents

混合动力车辆用驱动装置 Download PDF

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CN111347867B
CN111347867B CN201911326185.4A CN201911326185A CN111347867B CN 111347867 B CN111347867 B CN 111347867B CN 201911326185 A CN201911326185 A CN 201911326185A CN 111347867 B CN111347867 B CN 111347867B
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motor
gear
hybrid vehicle
mount
housing
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CN111347867A (zh
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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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    • 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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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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    • B60K6/20—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
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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
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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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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
    • 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
    • F16H2061/308—Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H2063/005—Preassembled gear shift units for mounting on gear case
    • 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
    • F16H57/03—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
    • 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
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Abstract

提供一种混合动力车辆用驱动装置，能够抑制由于来自电动机的载荷转矩导致的变速器壳体的电动机装配部的振动。电动机(32)配置在变速机构(61)的上方，变速器壳体(5)具有从发动机(8)的一侧起依次配置的右壳体、左壳体以及罩构件。由右壳体、左壳体以及罩构件形成收纳变速机构的变速机构收纳部(62)。左壳体具有左壳体主体部(7G)和鼓出部(7H)。在左壳体主体部的上表面中的鼓出部的前方形成有安装件装配部(31)，安装件装配部具有装配安装装置(70)的多个安装件装配凸台。多个安装件装配凸台(31A至31E)中的至少1个连结到鼓出部的前表面中的作为安装件装配凸台(31A至31E)侧的壁面的前壁部(29D)。

Description

混合动力车辆用驱动装置
技术领域
本发明涉及混合动力车辆用驱动装置。
背景技术
作为现有的混合动力车辆用动力传递装置，已知专利文献1所记载的装置。在专利文献1中记载的混合动力车辆用动力传递装置具备变速器壳体，上述变速器壳体具有变速器收纳部和收纳差动装置的差速器收纳部，电动机装配于变速器壳体的外周部，且相对于差速器收纳部位于前方。
另外，在专利文献1记载的混合动力车辆用动力传递装置中，在变速器壳体的侧壁形成有供减速器的输出轴插通的开口部，减速器壳体装配于变速器壳体的侧壁。
从而，专利文献1记载的混合动力车辆用动力传递装置不必大幅改造已有的驱动装置就能够将旋转电机安装于变速器壳体，并且，在将驱动装置应用于混合动力车辆时以及应用于非混合动力车辆时的任何一个情况下都能够提高车载性。
现有技术文献
专利文献
专利文献1：特开2015-145188号公报
发明内容
发明要解决的问题
然而，在现有的混合动力车辆用动力传递装置中，可能会有如下情况：来自电动机的大的载荷转矩作用于减速器壳体，减速器壳体发生振动。来自电动机的载荷转矩容易集中到变速器壳体中的电动机装配部，因此，关于电动机装配部的结构，还有进一步探讨的余地。
本发明是鉴于上述这样的情况而完成的，其目的在于，提供一种混合动力车辆用驱动装置，能够抑制由于来自电动机的载荷转矩导致的变速器壳体的电动机装配部的振动。
用于解决问题的方案
本发明是一种混合动力车辆用驱动装置，具备：变速机构，其改变发动机传来的驱动力的转速；变速器壳体，其收纳上述变速机构；以及电动机，其将驱动力传递到上述变速机构，上述变速器壳体通过安装装置装配到车体，上述混合动力车辆用驱动装置的特征在于，上述电动机配置在上述变速机构的上方，上述变速器壳体具有从上述发动机的一侧起依次配置的右壳体、左壳体以及罩构件，由上述右壳体、上述左壳体以及上述罩构件形成收纳上述变速机构的变速机构收纳部，上述左壳体具有：左壳体主体部，其形成上述变速机构收纳部的一部分；以及鼓出部，其从上述左壳体主体部向上方鼓出，形成有电动机装配部，在上述电动机装配部装配上述电动机的轴向的一端侧，在上述左壳体主体部的上表面中的上述鼓出部的前方形成有安装件装配部，上述安装件装配部具有装配上述安装装置的多个安装件装配凸台，上述多个安装件装配凸台中的至少1个安装件装配凸台连结到上述鼓出部的前表面中的作为上述安装件装配凸台侧的壁面的前壁部。
发明效果
这样，根据上述的本发明，能够抑制由于来自电动机的载荷转矩导致的变速器壳体的电动机装配部的振动。
附图说明
图1是本发明的一个实施例的混合动力车辆用驱动装置的左视图。
图2是本发明的一个实施例的混合动力车辆用驱动装置的俯视图。
图3是本发明的一个实施例的混合动力车辆用驱动装置的框架图。
图4是图2的IV-IV方向向视截面图。
图5是本发明的一个实施例的混合动力车辆用驱动装置的装有安装构件的状态的左视图。
图6是本发明的一个实施例的混合动力车辆用驱动装置的装有安装构件的状态的俯视图。
图7是本发明的一个实施例的混合动力车辆用驱动装置的拆下了换挡单元的状态的左视图。
图8是本发明的一个实施例的混合动力车辆用驱动装置的拆下了换挡单元的状态的俯视图。
图9是本发明的一个实施例的混合动力车辆用驱动装置的左壳体的右视图。
附图标记说明
1...混合动力车辆、4...驱动装置(混合动力车辆用驱动装置)、5...变速器壳体、6...右壳体、7...左壳体、7G...左壳体主体部、7H...鼓出部、7K...凸缘部、8...发动机、27...罩构件、30...底板装配部、31...安装件装配部、31A～31E...安装件装配凸台、32...电动机、32B...电动机轴、41...换挡单元、42...换挡选择轴、43...底板、43B...蓄压器装配部、45...换挡罩、48...支撑架、48A...弯曲部、51～56...肋、61...变速机构、62...变速机构收纳部、70...安装装置。
具体实施方式
本发明的一实施方式的混合动力车辆用驱动装置具备：变速机构，其改变发动机传来的驱动力的转速；变速器壳体，其收纳变速机构；以及电动机，其将驱动力传递到变速机构，变速器壳体通过安装装置装配到车体，混合动力车辆用驱动装置的特征在于，电动机配置在变速机构的上方，变速器壳体具有从发动机的一侧起依次配置的右壳体、左壳体以及罩构件，由右壳体、左壳体以及罩构件形成收纳变速机构的变速机构收纳部，左壳体具有：左壳体主体部，其形成变速机构收纳部的一部分；以及鼓出部，其从左壳体主体部向上方鼓出，形成有电动机装配部，在电动机装配部装配电动机的轴向的一端侧，在左壳体主体部的上表面中的鼓出部的前方形成有安装件装配部，安装件装配部具有装配安装装置的多个安装件装配凸台，多个安装件装配凸台中的至少1个安装件装配凸台连结到鼓出部的前表面中的作为安装件装配凸台侧的壁面的前壁部。从而，本发明的一实施方式的混合动力车辆用驱动装置能够抑制由于来自电动机的载荷转矩导致的变速器壳体的电动机装配部的振动。
[实施例]
下面，使用附图来说明本发明的一个实施例的混合动力车辆用驱动装置。
图1至图9是示出本发明的一个实施例的混合动力车辆用驱动装置的图。
在图1至图9中，上下前后左右方向设为设置于车辆的状态的混合动力车辆用驱动装置的上下前后左右方向，与车辆的前后方向正交的方向为左右方向，混合动力车辆用驱动装置的高度方向为上下方向。
首先，说明构成。在图1中，混合动力车辆(以下简称为车辆)1具备车体2，车体2由前围板3隔成前侧的发动机室2A和后侧的车厢2B。在发动机室2A中设置有驱动装置4，驱动装置4具有前进6挡、后退1挡的变速挡。驱动装置4构成本发明的混合动力车辆用驱动装置。
在图2中，在驱动装置4连结有发动机8。驱动装置4具备变速器壳体5，变速器壳体5从发动机8侧起按顺序具有右壳体6、左壳体7以及罩构件27。
右壳体6连结着发动机8。发动机8具有曲轴9(参照图3)，曲轴9设置为在车辆1的宽度方向上延伸。即，本实施例的发动机8由横置发动机构成，本实施例的车辆1是前置发动机前轮驱动(FF)车辆。
左壳体7连结到与发动机8相反的一侧即右壳体6的左侧。在右壳体6的左侧的外周缘形成有凸缘部6F(参照图2)。在图1、图2中，在左壳体7的右侧的外周缘形成有凸缘部7F。
如图1所示，在凸缘部7F设置有供螺栓23A插入的凸台部7f，凸台部7f沿着凸缘部7F设置有多个。
在凸缘部6F形成有与凸台部7f匹配的多个未图示的凸台部，通过以螺栓23A(参照图1)将凸缘部6F的凸台部和凸缘部7F的凸台部7f紧固，从而右壳体6与左壳体7被紧固而一体化。
在右壳体6收纳有离合器10(参照图3)。在左壳体7收纳有图3所示的输入轴11、前进用输出轴12、后退用输出轴13、最终减速机构14以及差动装置15。
输入轴11、前进用输出轴12以及后退用输出轴13沿着车辆的左右方向平行地设置。本实施例的前进用输出轴12构成本发明的输出轴。变速机构61从车辆的前方起按顺序配置有输入轴11、前进用输出轴12、差动装置15。
在图3中，输入轴11通过离合器10连结到发动机8，通过离合器10被传递发动机8的动力。在图3中，输入轴11具有1挡用的输入齿轮16A、2挡用的输入齿轮16B、3挡用的输入齿轮16C、4挡用的输入齿轮16D、5挡用的输入齿轮16E以及6挡用的输入齿轮16F
输入齿轮16A、16B固定到输入轴11，与输入轴11一体地旋转。输入齿轮16C至输入齿轮16F通过未图示的滚针轴承设置于输入轴11且相对旋转自如。
前进用输出轴12具有1挡用的输出齿轮17A、2挡用的输出齿轮17B、3挡用的输出齿轮17C、4挡用的输出齿轮17D、5挡用的输出齿轮17E、6挡用的输出齿轮17F以及前进用的末级驱动齿轮17G。
输出齿轮17A至输出齿轮17F是与构成同一变速挡的输入齿轮16A至输入齿轮16F啮合的。例如，4挡用的输出齿轮17D与4挡用的输入齿轮16D啮合。
输出齿轮17A、17B通过未图示的滚针轴承设置于前进用输出轴12且相对旋转自如。输出齿轮17C至输出齿轮17F以及末级驱动齿轮17G固定于前进用输出轴12，与前进用输出轴12一体地旋转。
在1挡中，发动机8的动力从输入轴11通过输入齿轮16A和输出齿轮17A传递到前进用输出轴12。在2挡中，发动机8的动力从输入轴11通过输入齿轮16B和输出齿轮17B传递到前进用输出轴12。
在输出齿轮17A与输出齿轮17B之间，在前进用输出轴12上设置有第1同步装置18。
当通过换挡操作切换到1挡时，第1同步装置18将1挡用的输出齿轮17A连结到前进用输出轴12。当通过换挡操作切换到2挡时，第1同步装置18将2挡用的输出齿轮17B连结到前进用输出轴12。这样，当通过换挡操作切换到1挡或2挡时，输出齿轮17A或输出齿轮17B与前进用输出轴12一体地旋转。
在输入齿轮16C与输入齿轮16D之间，在输入轴11上设置有第2同步装置19。
当通过换挡操作切换到3挡时，第2同步装置19将输入齿轮16C连结到输入轴11。当通过换挡操作切换到4挡时，第2同步装置19将输入齿轮16D连结到输入轴11。这样，当通过换挡操作切换到3挡或4挡时，输入齿轮16C或输入齿轮16D与输入轴11一体地旋转。
在3挡中，发动机8的动力从输入轴11通过输入齿轮16C和输出齿轮17C传递到前进用输出轴12。在4挡中，发动机8的动力从输入轴11通过输入齿轮16D和输出齿轮17D传递到前进用输出轴12。
这样，设置在输入轴11上的第2同步装置19从包括输入齿轮16C和输出齿轮17C的1个变速齿轮组以及包括输入齿轮16D和输出齿轮17D的1个变速齿轮组之中选择1个变速齿轮组，使动力从输入轴11通过所选择的变速齿轮组传递到前进用输出轴12。
在输入齿轮16E与输入齿轮16F之间，在输入轴11上设置有第3同步装置20。
当通过换挡操作切换到5挡时，第3同步装置20将输入齿轮16E连结到输入轴11。当通过换挡操作换挡到6挡时，第3同步装置20将输入齿轮16F连结到输入轴11。这样，当通过换挡操作切换到5挡或6挡时，输入齿轮16E或输入齿轮16F与输入轴11一体地旋转。
在5挡中，发动机8的动力从输入轴11通过输入齿轮16E和输出齿轮17E传递到前进用输出轴12。在6挡中，发动机8的动力从输入轴11通过输入齿轮16F和输出齿轮17F传递到前进用输出轴12。
这样，设置在输入轴11上的第3同步装置20从包括输入齿轮16E和输出齿轮17E的1个变速齿轮组以及包括输入齿轮16F和输出齿轮17F的1个变速齿轮组之中选择1个变速齿轮组，使动力从输入轴11通过所选择的变速齿轮组传递到前进用输出轴12。
包括输入齿轮16D和输出齿轮17D的变速齿轮组与包括输入齿轮16E和输出齿轮17E的变速齿轮组在输入轴11的轴向上相邻地设置在第2同步装置19与第3同步装置20之间。
在后退用输出轴13设置有倒挡齿轮22A和后退用的末级驱动齿轮22B。倒挡齿轮22A通过未图示的滚针轴承设置于后退用输出轴13且相对旋转自如，倒挡齿轮22A是与输出齿轮17A啮合的。末级驱动齿轮22B固定于后退用输出轴13，与后退用输出轴13一体地旋转。
在后退用输出轴13设置有第4同步装置21。当通过换挡操作切换到后退挡时，第4同步装置21将倒挡齿轮22A连结到后退用输出轴13。从而，倒挡齿轮22A与后退用输出轴13一体地旋转。
在后退挡中，发动机8的动力从输入轴11通过输入齿轮16A、与前进用输出轴12相对旋转的输出齿轮17A和倒挡齿轮22A传递到后退用输出轴13。
前进用的末级驱动齿轮17G和后退用的末级驱动齿轮22B是与差动装置15的末级从动齿轮15A啮合的。从而，前进用输出轴12的动力和后退用输出轴13的动力经过前进用的末级驱动齿轮17G或者后退用末级驱动齿轮22B传递到差动装置15。
差动装置15具有：末级从动齿轮15A；差速器壳体15B，在其外周部装配有末级从动齿轮15A；以及差动机构15C，其内置于差速器壳体15B。
在差速器壳体15B的左端部设置有筒状部15c(参照图4)，在差速器壳体15B的右端部设置有与筒状部15c同样的未图示的筒状部。如图3所示，在筒状部15c和未图示的筒状部，插通有右驱动轴24R和左驱动轴24L各自的一端部。
左右的驱动轴24L、24R的一端部连结到差动机构15C，左右的驱动轴24L、24R的另一端部分别连结到未图示的左右的驱动轮。差动装置15将发动机8的动力通过差动机构15C分配到左右的驱动轴24L、24R后传递到驱动轮。末级从动齿轮15A以旋转轴心15a为中心旋转。
本实施例的输入轴11、前进用输出轴12、输入齿轮16A至输入齿轮16F以及输出齿轮17A至输出齿轮17F构成变速机构61。
最终减速机构14包括前进用的末级驱动齿轮17G和末级从动齿轮15A。
在图1、图2中，电动机32具有：电动机壳体32A；以及电动机轴32B，其支撑于电动机壳体32A且旋转自如。在电动机壳体32A的内部收纳有均未图示的转子和缠绕有线圈的定子，电动机轴32B与转子设置为一体。
在电动机32中，通过对线圈供应三相交流电，从而产生在周向上旋转的旋转磁场。定子通过使所产生的磁通与转子交链，从而驱动与电动机轴32B为一体的转子旋转。
在图1、图4中，在变速器壳体5设置有减速机构收纳部25，减速机构收纳部25由后述的左壳体7的鼓出部7H和罩构件27形成。在减速机构收纳部25的内部收纳有减速机构33(参照图4)。
在图3、图4中，减速机构33具备：第1驱动齿轮34，其设置于电动机32的电动机轴32B；第1中间轴35；第2中间轴36；以及4挡用的输出齿轮17D，其设置于前进用输出轴12。
在第1中间轴35设置有第1从动齿轮35A和第2驱动齿轮35B。在第2中间轴36设置有第2从动齿轮36A和第3驱动齿轮36B。
第1从动齿轮35A形成为直径比第1驱动齿轮34的直径大，且是与第1驱动齿轮34啮合的。
第2驱动齿轮35B形成为直径比第1从动齿轮35A和第2从动齿轮36A的直径小，且是与第2从动齿轮36A啮合的。
第3驱动齿轮36B形成为直径与第2从动齿轮36A的直径相同，并且形成为直径比4挡用的输出齿轮17D的直径大，第3驱动齿轮36B是与4挡用输出齿轮17D啮合的。此外，在相互啮合的齿轮对中，大直径的齿轮形成为齿数多于小直径的齿轮的齿数。
第1驱动齿轮34和第1从动齿轮35A构成连结电动机轴32B与第1中间轴35的第1减速齿轮对37。第2驱动齿轮35B和第2从动齿轮36A连结第1中间轴35与第2中间轴36，构成第2减速齿轮对38。第3驱动齿轮36B和输出齿轮17D连结第2中间轴36与前进用输出轴12，构成第3减速齿轮对39。
这样，减速机构33在从电动机32向前进用输出轴12传递动力的动力传递路径上具有第1中间轴35和第2中间轴36。并且，减速机构33通过以成为任意的减速比的方式设定驱动齿轮34、35B、36B和从动齿轮35A、36A的直径和齿数，从而将电动机32的动力进行减速后传递到前进用输出轴12。
左壳体7在其左端部具有向上方鼓出的鼓出部7H。左壳体7的左端部的开口由于鼓出部7H而向上方扩大。鼓出部7H是构成减速机构收纳部25的壳体部分，并且在其左侧配置减速机构33。
在图1、图2中，罩构件27通过螺栓23B(参照图1)接合(紧固)到左壳体7的左端部的凸缘部7K，将还包含鼓出部7H的部分在内的左壳体7的左端部的开口封闭。也就是说，由鼓出部7H和配置于鼓出部7H的左侧的罩构件27从左右形成成为减速机构33的收纳空间的减速机构收纳部25。
在图1、图2中，在鼓出部7H的上端部，在其发动机8侧(右侧)设置有电动机装配部29C。电动机装配部29C形成为圆形的凸缘状，具有与电动机32的外径即电动机壳体32A的外径相等的外径。
在电动机装配部29C的外周部设置有多个紧固部29m，紧固部29m沿着电动机装配部29C的外周部配置。紧固部29m是作为供紧固用的螺栓23C插通的凸台部而形成的。通过使螺栓23C插通于紧固部29m，将螺栓23C拧紧固定到形成于电动机壳体32A的未图示的螺纹孔，从而电动机32被紧固到电动机装配部29C。
电动机装配部29C具有朝向右方的电动机装配面，装配于电动机装配部29C的电动机32配置为电动机轴32B沿着车辆的左右方向。并且，电动机32配置为在露出到变速器壳体5的外部的上方的状态下从形成于左壳体7的左侧部分的鼓出部7H向右方延伸。
另外，如图4所示，在车辆的前后方向上，电动机32的电动机轴32B的中心配置于输入轴11与末级从动齿轮的旋转轴心15a之间。更详细地，电动机32的电动机轴32B的中心在车辆的前后方向上配置于前进用输出轴12与末级从动齿轮的旋转轴心15a之间。
在图1、图2中，在车辆的前后方向上比电动机32靠前侧的左壳体7的上部设置有换挡单元41。在俯视车辆1时，电动机32和换挡单元41以靠近后述的安装件装配部31的方式与安装件装配部31接近配置。
也就是说，电动机32和换挡单元41设置于安装件装配部31的前后。详细地，安装件装配部31与鼓出部7H在左壳体7的左端部前后排列形成，换挡单元41配置为从安装件装配部31的右侧延续到前方，向车辆的前方延伸。
换挡单元41为了进行驱动装置4的换挡操作和离合器操作而被驱动。在此，换挡操作是指对驱动装置4的变速挡进行切换的操作，离合器操作是指将驱动装置4的离合器10卡合(连接)或者释放(切断)的操作。
换挡单元41是油压装置，并且是如下装置：具有油泵、驱动油泵的马达、阀单元44、蓄压器、工作油的储存罐等，具有将它们组装起来而一体化的底板43，不仅部件数量多且比较有重量。
特别是，阀单元44装配有许多个电磁阀，并且在其内部具有复杂的油路、液压缸等油压工作机构，因此成为了有重量的部件。另外，底板43也装配有换挡单元41的许多个构成部件，是将这许多个构成部件装配于左壳体7的比较厚的金属板，成为了有重量的部件。
在图4中，在左壳体7收纳有换挡选择轴42。换挡选择轴42相对于左壳体7在轴心方向上移动自如并且旋转自如，由配置在其上方的换挡单元41操作。
也就是说，换挡选择轴42由内置于阀单元44的液压缸等油压工作机构操作，在换挡选择轴42的轴向的上方配置有阀单元44。
在由驾驶员操作的未图示的换挡杆被切换为前进挡位的状态或者被切换为后退挡位的状态中，换挡单元41例如基于预先设定了节气门开度和车速作为参数的变速映射来操作换挡选择轴42。
换挡选择轴42以其轴沿着上下方向的方式延伸并配置在输入轴11的前侧，通过包括均未图示的变速叉(shift yoke)、换挡轴以及换挡拨叉(shift fork)等变速操作机构操作第1同步装置18至第4同步装置21来进行变速挡的控制。此外，换挡单元41通过油压机构或马达机构等操作换挡选择轴42，但驱动方式不限于这些油压机构或马达机构等。
如图1、图2所示，在变速器壳体5设置有前支架46A和后支架46B。前支架46A连结电动机32与右壳体6，将电动机32支撑于右壳体6。
后支架46B连结电动机32的右端后部和右壳体6，将电动机32支撑于右壳体6。这样，电动机32配置到变速器壳体5的外部，其轴向上的一端部(左侧端部)装配到电动机装配部29C，轴向上的相反侧(另一端部、右侧端部)连结到右壳体6。
在电动机32的后方设置有连接器32C，在连接器32C连接有供应用于驱动电动机32的电力的电源线(省略图示)。
如图1、图2所示，在本实施例中，电动机32具有：受电部32D，其从电动机32的另一端侧(右侧端部)向径向外侧突出，接受电动机32所使用的电力；以及连接器32C，其在受电部32D的左侧面(成为电动机32的一端侧的面)上设置为朝向电动机32的一端侧。
由于连接器32C设置为朝向电动机32的一端侧，因此装卸方向成为沿着电动机轴32B的方向，能够使电源线沿着电动机32布线。
在左壳体7的上部设置有安装件装配部31。安装件装配部31在左壳体7的左侧端部形成在输入轴11的上方，具有向上方竖立设置的多个安装件装配凸台31A至31E。在安装件装配凸台31A至31E紧固有固定到车体2的安装装置70。从而，驱动装置4通过安装装置70弹性地支撑于车体2。
电动机32在车辆的前后方向上在比安装件装配部31靠后侧的位置设定于左壳体7的上部。发动机8通过用于发动机的未图示的安装装置弹性地支撑于车体2。
如图4所示，在本实施例中，电动机32配置于变速机构61的上方。另外，如图2所示，变速器壳体5具有从发动机8的一侧起依次配置的右壳体6、左壳体7以及罩构件27。另外，由右壳体6、左壳体7以及罩构件27形成收纳变速机构61的变速机构收纳部62(参照图4)。
如图1、图2、图4所示，左壳体7具有：左壳体主体部7G，其形成变速机构收纳部62的一部分；以及鼓出部7H，其从左壳体主体部7G向上方鼓出，装配电动机32的一端侧。另外，左壳体7在左壳体主体部7G的上表面中的鼓出部7H的前方形成有安装件装配部31，安装件装配部31具有装配安装装置70的多个安装件装配凸台31A至31E。
在本实施例中，如图5所示，安装装置70具有驱动装置侧支架71、弹性构件73以及作为车体2侧的支架的车体侧支架72，驱动装置侧支架71与车体侧支架72通过弹性构件73连结。
驱动装置侧支架71具有装配到左壳体7的安装件装配部31的固定部，从固定部向上方延伸而装配到弹性构件73的内侧。车体2侧支架72是包围弹性构件73的周围、将弹性构件73装配到车体2的支架。
另外，如图5所示，在从左侧观看时，电动机32的输出轴(电动机轴32B)的轴心在上下方向上配置于安装件装配部31与弹性构件73之间。详细地说，电动机32的输出轴(电动机轴32B)的轴心在从轴向观看时，配置于比安装件装配部31靠上侧且比驱动装置侧支架71与弹性构件73的连结部位低的位置。
在本实施例中，具备自动进行变速机构61的变速操作的换挡单元41，该换挡单元41在车辆前后方向上相对于安装件装配部31配置于与电动机32相反的一侧。
在本实施例中，如图5、图6所示，换挡单元41具有底板43，在底板43至少装配通过油压工作机构操作换挡选择轴42的阀单元44。
左壳体7具有装配底板43的底板装配部30，该底板装配部30配置于左壳体7的左侧端部的上部中的、安装件装配部31的前侧和安装件装配部31的左侧。装配底板43的底板装配部30的装配面在上下方向上配置于比安装件装配部31的装配面(装配驱动装置侧支架71的装配面)靠下方的位置。
另外，如图5所示，在从左侧观看时，在安装件装配部31与弹性构件73之间配置有阀单元44的大部分。详细地说，阀单元44的大部分在从轴向观看时，配置于比安装件装配部31靠上侧且比驱动装置侧支架71与弹性构件73的连结部位低的位置。
另外，如图6所示，在车辆的前后方向上，阀单元44在整个换挡单元41中配置于后侧，在车辆的左右方向上，配置于与电动机32相同的位置。
在图7、图8中，在左壳体主体部7G的上表面中的鼓出部7H的前方形成有安装件装配部31，该安装件装配部31具有装配安装装置70的多个安装件装配凸台31A至31E。因此，安装装置70被装配到安装件装配部31。
并且，多个安装件装配凸台31A至31E中的至少1个连结到鼓出部7H的前表面中的作为安装件装配凸台31A至31E侧的壁面的前壁部29D。
另外，连结于前壁部29D的安装件装配凸台31A连结到鼓出部7H中的电动机装配部29C的前表面。即，电动机装配部29C的前表面是前壁部29D。
另外，安装件装配部31具有将多个安装件装配凸台31A至31E相互连结的多个肋51至56。在图7的左视图中，多个肋51至56包含作为在左壳体7的凸缘部7K处立起的1个特定肋的肋51。另外，在图8的俯视图中，肋51在与电动机32的轴心正交的方向上从前壁部29D延伸到安装件装配凸台31D、31E。
另外，驱动装置4具备换挡单元41，换挡单元41具有换挡选择轴42和换挡罩45。在图8中，在变速器壳体5的上表面中的安装件装配部31的前方形成有用于换挡选择轴42贯通的开口部7J，开口部7J被换挡罩45封闭。并且，安装件装配凸台31D、31E与开口部7J的缘部被肋51连结。
在图7、图8中，换挡单元41具有固定于变速器壳体5的上壁7L的底板43。底板43紧固到上壁7L和换挡罩45，并且通过安装件装配凸台31A至31E的车宽方向的旁侧且在车辆前后方向上从换挡罩45延伸到鼓出部7H的前壁部29D的附近。驱动装置4具备将底板43的前端部与变速器壳体5的前侧的侧壁5A连结的支撑架48。
在图9中，电动机装配部29C在最前方具有紧固电动机32的轴向的一端侧的紧固部29m。并且，在设定经过紧固部29m的垂直线为假想线VL的情况下，连结于鼓出部7H中的电动机装配部29C的前表面的安装件装配凸台31A与假想线VL与电动机装配部29C的外周缘的下侧的交点P相比位于交点P的前侧位置且上侧突出于交点P。
在图7、图8中，底板43具有：突出部43A，其与变速器壳体5相比向前方突出；蓄压器装配部43B，其从突出部43A向下方延伸，在其前表面侧装配蓄压器47。支撑架48连结蓄压器装配部43B的前表面与变速器壳体5的侧壁5A。
接着，说明作用。在车辆1前进时以发动机行驶时，发动机8的动力从输入轴11通过使规定的变速挡成立的输入齿轮16A至输入齿轮16F中的任意一者传递到输出齿轮17A至输出齿轮17F中的任意一者。
从而，动力从前进用输出轴12的末级驱动齿轮17G传递到末级从动齿轮15A，发动机8的动力通过差动装置15的差动机构15C分配到左右的驱动轴24L、24R后传递到驱动轮，车辆1进行前进行驶。
另一方面，在车辆1的前进中使电动机32的驱动力发挥作用时，电动机32的动力从电动机轴32B通过第1驱动齿轮34传递到第1从动齿轮35A。
接下来，电动机32的动力通过第2驱动齿轮35B、第2从动齿轮36A以及第3驱动齿轮36B传递到4挡用的输出齿轮17D。
由于减速机构33是以成为任意的减速比的方式设定驱动齿轮34、35B、36B和从动齿轮35A、36A的直径和齿数，因此电动机32的动力被减速后传递到前进用输出轴12。
从而，动力从前进用输出轴12的末级驱动齿轮17G传递到末级从动齿轮15A，车辆1进行前进行驶。
根据本实施例的驱动装置4，电动机32配置在变速机构61的上方，变速器壳体5具有从发动机8的一侧起依次配置的右壳体6、左壳体7以及罩构件27，由右壳体6、左壳体7以及罩构件27形成了收纳变速机构61的变速机构收纳部62。
另外，左壳体7具有：左壳体主体部7G，其形成变速机构收纳部62的一部分；以及鼓出部7H，其从左壳体主体部7G向上方鼓出，装配电动机32的一端侧。并且，在左壳体主体部7G的上表面中的鼓出部7H的前方形成有安装件装配部31，安装件装配部31具有装配安装装置70的多个安装件装配凸台。
并且，多个安装件装配凸台31A至31E中的至少1个连结到鼓出部7H的前表面中的作为安装件装配凸台31A至31E侧的壁面的前壁部29D。
这样，安装件装配凸台31A连结到为了装配作为重量物的电动机32而将刚性设得较高的鼓出部7H的前壁部29D。另外，通过使安装装置70紧固到安装件装配凸台31A至31E，能够提高安装件装配凸台31A至31E的周边的刚性。另外，能够将来自电动机32的载荷转矩通过安装件装配凸台31A至31E分散而使其作用于变速器壳体5。
其结果是，能够抑制由于来自电动机32的载荷转矩导致的变速器壳体5的电动机装配部29C的振动。
根据本实施例的驱动装置4，连结于前壁部29D的安装件装配凸台31A连结到鼓出部7H中的电动机装配部29C的前表面。
从而，能够使电动机装配部29C的前表面作为前壁部29D发挥功能，由安装件装配凸台31A直接承受作用于该电动机装配部29C的电动机32的转矩载荷，因此能够抑制电动机装配部29C的振动。
根据本实施例的驱动装置4，安装件装配部31具有将多个安装件装配凸台31A至31E相互连结的多个肋51至56。
从而，当电动机32的转矩载荷通过电动机装配部29C作用于安装件装配凸台31A时，载荷转矩会从安装件装配凸台31A通过肋51至56输入到其它安装件装配凸台31B至31E。因此，能够使来自电动机32的载荷转矩分散到多个安装件装配凸台31A至31E来承受，能够抑制转矩载荷的局部集中，能够抑制安装件装配部31的振动。
根据本实施例的驱动装置4，在从左侧观看时，多个肋51至56包含作为在左壳体7的凸缘部7K处立起的1个特定肋的肋51。另外，在俯视时，肋51在与电动机32的轴心正交的方向上从前壁部29D延伸到安装件装配凸台31D、31E。
这样，由于是使肋51形成为与刚性高的变速器壳体5的凸缘一体化，通过肋51连结安装件装配部31凸台，因此，能够抑制安装件装配凸台31A至31E由于外力的作用而振动。
另外，由于肋51在与电动机32的轴心正交的方向即电动机32的转矩载荷的方向上平行地配置，因此，能够提高安装件装配凸台31A至31E相对于在垂直方向上作用的电动机32的转矩载荷的刚性。
根据本实施例的驱动装置4，驱动装置4具备换挡单元41，换挡单元41具有换挡选择轴42和换挡罩45，自动进行变速机构61的变速操作。另外，在变速器壳体5的上表面中的安装件装配部31的前方形成有用于换挡选择轴42贯通的开口部7J，开口部7J被换挡罩45封闭。并且，安装件装配凸台31A至31E与开口部7J的缘部被肋51连结。
从而，能够使分散到多个安装件装配凸台31A至31E的载荷转矩进一步由换挡罩45承受，能够降低载荷转矩，抑制安装件装配凸台31A至31E的振动。
根据本实施例的驱动装置4，换挡单元41具有固定于变速器壳体5的上壁7L的底板43。另外，底板43紧固到上壁7L和换挡罩45，并且通过安装件装配凸台31A至31E的车宽方向的旁侧且在车辆前后方向上从换挡罩45延伸到鼓出部7H的前壁部29D的附近。
从而，通过换挡单元41的底板43装配到包含换挡罩45在内的换挡壳体的上表面。另外，由于装配至多个安装件装配凸台31A至31E的前端和后端，因此能够作为将安装件装配部31的周边加固的加固构件发挥作用。因此，能够提高安装件装配凸台31A至31E的周边的刚性，能够进一步抑制电动机装配部29C的振动。
根据本实施例的驱动装置4，具备连结底板43的前端部与变速器壳体5的前侧的侧壁的支撑架48。
因此，由于通过支撑架48将设置于变速器壳体5的上表面的底板43与变速器壳体5的前侧的侧壁5A的部位连结，因而能够更牢固地将安装件装配部31的周边加强，能够抑制电动机装配部29C的振动。
根据本实施例的驱动装置4，电动机装配部29C在最前方具有紧固电动机32的轴向的一端侧的紧固部29m。
并且，在设定经过紧固部29m的垂直线为假想线VL的情况下，连结于鼓出部7H中的电动机装配部29C的前表面的安装件装配凸台31A与假想线VL与电动机装配部29C的外周缘的下侧的交点P相比位于交点P的前侧位置且上侧突出于交点P。
这样，由于旋转方向R上的转矩载荷作用于电动机装配部29C，且将位于比假想线VL靠前侧并且上侧的较高的安装件装配凸台31A连结到前壁部29D，因此，在转矩载荷作用于电动机32的旋转方向R上时，能够抑制电动机装配部29C的振动。
根据本实施例的驱动装置4，底板43具有：突出部43A，其与变速器壳体5相比向前方突出；以及蓄压器装配部43B，其从突出部43A向下方延伸，在其前表面侧装配蓄压器47。支撑架48连结蓄压器装配部43B的前表面与变速器壳体5的侧壁5A。
从而，能够通过支撑架48抑制由于载荷转矩导致的底板43的振动。
根据本实施例的驱动装置4，支撑架48通过蓄压器装配部43B的下方，连结蓄压器装配部43B的前表面与变速器壳体5的侧壁5A。并且，支撑架48在蓄压器装配部43B的下方具有弯曲率较大的弯曲部48A。
在此，上述“大的曲率”是指曲率半径小，弯曲程度大。换言之，支撑架48在弯曲部48A处在窄的范围内折弯而不形成曲面。此外，弯曲部48A处的弯曲角度大体为90度。
这样，通过使支撑架48在弯曲部48A弯曲率较大，能够提高支撑架48的刚性，能够抑制由于来自电动机32的载荷转矩而导致的底板43的振动。
根据本实施例的驱动装置4，由于设置有底板43，从而未设为在载荷转矩所作用的变速器壳体5的上表面设置支撑架48的构成，而设为了在作为由于载荷转矩导致的振动的影响小而振动的行为不同的部位的变速器壳体5的侧壁5A装配底板43的构成，因此能够抑制底板43的振动。
另外，由于能够使支撑架48的曲率变大，因而能够使支撑架48的上下方向的长度L变短。因此，能够减小从支撑架48作用于变速器壳体5的载荷力矩。
详细地，在将来自电动机32的载荷转矩的方向设为F1时，由F2所示的方向上的载荷力矩从支撑架48作为反作用力作用于变速器壳体5。在此，支撑架48的上下方向的长度L相当于载荷力矩的臂长。因此，在本实施例中，通过缩短长度L，能够使作用于变速器壳体5的载荷力矩变小。
虽然公开了本发明的实施例，但很明显，本领域技术人员能在不脱离本发明的范围的情况下加以变更。旨在将所有的这种修改以及等价物包含在所附的权利要求中。

Claims (10)

1.一种混合动力车辆用驱动装置，具备：
变速机构，其改变发动机传来的驱动力的转速；
变速器壳体，其收纳上述变速机构；以及
电动机，其将驱动力传递到上述变速机构，
上述变速器壳体通过安装装置装配到车体，
上述混合动力车辆用驱动装置的特征在于，
具备换挡单元，上述换挡单元具有换挡选择轴和换挡罩，自动进行上述变速机构的变速，
上述电动机配置在上述变速机构的上方，
上述变速器壳体具有从上述发动机的一侧起依次配置的右壳体、左壳体以及罩构件，
由上述右壳体、上述左壳体以及上述罩构件形成收纳上述变速机构的变速机构收纳部，
上述左壳体具有：
左壳体主体部，其形成上述变速机构收纳部的一部分；以及
鼓出部，其从上述左壳体主体部向上方鼓出，形成有电动机装配部，在上述电动机装配部装配上述电动机的轴向的一端侧，
在上述左壳体主体部的上表面中的上述鼓出部的前方形成有安装件装配部，上述安装件装配部具有装配上述安装装置的多个安装件装配凸台，
上述多个安装件装配凸台中的至少1个安装件装配凸台连结到上述鼓出部的前表面中的作为上述安装件装配凸台侧的壁面的前壁部，
上述换挡选择轴配置在比上述变速机构的输入轴靠前方的位置。
2.根据权利要求1所述的混合动力车辆用驱动装置，其特征在于，
连结于上述前壁部的上述安装件装配凸台连结到上述鼓出部中的上述电动机装配部的前表面。
3.根据权利要求1或权利要求2所述的混合动力车辆用驱动装置，其特征在于，
上述安装件装配部具有将上述多个安装件装配凸台相互连结的多个肋。
4.根据权利要求3所述的混合动力车辆用驱动装置，其特征在于，
在从左侧观看时，上述多个肋包含在上述左壳体的凸缘部立起的1个特定肋，
在俯视时，上述特定肋在与上述电动机的轴心正交的方向上从上述前壁部延伸到上述安装件装配凸台。
5.根据权利要求4所述的混合动力车辆用驱动装置，其特征在于，
在上述变速器壳体的上表面中的上述安装件装配部的前方形成有用于上述换挡选择轴贯通的开口部，
上述开口部被上述换挡罩封闭，
通过上述特定肋连结上述安装件装配凸台与上述开口部的缘部。
6.根据权利要求5所述的混合动力车辆用驱动装置，其特征在于，
上述换挡单元具有固定于上述变速器壳体的上壁的底板，
上述底板紧固到上述上壁和上述换挡罩，并且通过上述安装件装配凸台的车宽方向的旁侧且在车辆前后方向上从上述换挡罩延伸到上述鼓出部的上述前壁部的附近。
7.根据权利要求6所述的混合动力车辆用驱动装置，其特征在于，
具备连结上述底板的前端部与上述变速器壳体的前侧的侧壁的支撑架。
8.根据权利要求2所述的混合动力车辆用驱动装置，其特征在于，
上述电动机装配部在最前方具有紧固上述电动机的轴向的一端侧的紧固部，
在设定经过上述紧固部的垂直线为假想线的情况下，连结于上述鼓出部中的上述电动机装配部的前表面的上述安装件装配凸台与上述假想线与上述电动机装配部的外周缘的下侧的交点相比位于该交点的前侧位置且上侧突出于该交点。
9.根据权利要求7所述的混合动力车辆用驱动装置，其特征在于，
上述底板具有：突出部，其与上述变速器壳体相比向前方突出；以及蓄压器装配部，其从上述突出部向下方延伸，在其前表面侧装配蓄压器，
上述支撑架连结上述蓄压器装配部的前表面与上述变速器壳体的上述侧壁。
10.根据权利要求9所述的混合动力车辆用驱动装置，其特征在于，
上述支撑架通过上述蓄压器装配部的下方，连结上述蓄压器装配部的前表面与上述变速器壳体的上述侧壁，
上述支撑架在上述蓄压器装配部的下方具有弯曲率较大的弯曲部。
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DE102019218991B4 (de) 2023-10-05
CN111347867A (zh) 2020-06-30

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