CN103459866A - 具有至少一个电机的驱动设备 - Google Patents

具有至少一个电机的驱动设备 Download PDF

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CN103459866A
CN103459866A CN2012800179966A CN201280017996A CN103459866A CN 103459866 A CN103459866 A CN 103459866A CN 2012800179966 A CN2012800179966 A CN 2012800179966A CN 201280017996 A CN201280017996 A CN 201280017996A CN 103459866 A CN103459866 A CN 103459866A
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rolling
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pinion shaft
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support
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CN103459866B (zh
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托马斯·斯米塔那
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Fifth Schaeffler Investment Management & CoKg GmbH
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Schaeffler Technologies AG and Co KG
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    • 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
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
    • F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/55—Systems consisting of a plurality of bearings with rolling friction with intermediate floating or independently-driven rings rotating at reduced speed or with other differential ball or roller bearings
    • 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
    • F16H48/00—Differential gearings
    • F16H48/38—Constructional details
    • F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
    • 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
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2720/00—Output or target parameters relating to overall vehicle dynamics
    • B60W2720/40—Torque distribution
    • B60W2720/406—Torque distribution between left and right wheel
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • 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
    • F16H48/00—Differential gearings
    • F16H48/38—Constructional details
    • F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
    • F16H2048/423—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon characterised by bearing arrangement
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Retarders (AREA)
  • General Details Of Gearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

本发明涉及一种具有至少一个电机（3）的驱动设备（1），其具有差速器（4）以及在电机（3）与差速器（4）之间的角传动机构（5），其中，角传动机构（5）具有至少一个带有小齿轮（5b）的小齿轮轴（5a）和与该小齿轮（5b）齿啮合并与差速器（4）连接的盘形齿轮（5c），并且其中，小齿轮轴（5a）与电机（3）的转子（7）的旋转轴线（5d）同轴心地被引导穿过转子轴（7a），并且其中，转子（7）和小齿轮轴（5a）可绕旋转轴线（5d）相对电机（3）的定子（8）旋转运动地支承。

Description

具有至少一个电机的驱动设备
技术领域
本发明涉及一种具有至少一个电机的驱动设备，其具有分动器以及在电机与分动器之间的角传动机构（Winkeltrieb），其中，角传动机构具有至少一个带有小齿轮的小齿轮轴和与该小齿轮齿啮合并与分动器连接的盘形齿轮，并且其中，小齿轮轴与电机的转子的旋转轴线同轴心地被引导穿过转子轴，并且其中，转子和小齿轮轴可绕旋转轴线相对电机的定子旋转运动地支承，并且本发明还涉及一种用于支承小齿轮轴的小齿轮支承装置。
背景技术
在DE102008029287B4中描述了这类驱动设备。该驱动设备具有电机，该电机作为驱动设备中的主驱动器或者辅助驱动器设置用于驱动分动器，例如差速器。
差速器安置在后轴上并且将驱动转矩分配到后轴的被驱动的轮上。差速器构造为经典的锥轮差速器并且与之相应地具有差速器笼、补偿齿轮或车轴齿轮。
为此，驱动小轮轴通过角传动机构与分动器作用连接。角传动机构由小齿轮轴的实施为锥形齿轮的小齿轮和实施为锥形齿轮的盘形齿轮构成。盘形齿轮紧固在差速器笼上。小齿轮和盘形齿轮相互齿啮合。小齿轮轴通过万向轴与车辆变速器连接，该车辆变速器与内燃机作用连接。
小齿轮轴被引导穿过电动机并且以自己的旋转轴线与构造为空心轴的转子轴同轴心地布置。小齿轮轴是高负载的并且因此双重地支承在处于电动机与差速器之间的支承部位上。小齿轮轴支承装置通常由两个相互调整的径向推力轴承构成，其中的每个都具有滚动体列。滚动体通常有选择地是锥形滚子或球。也有使用圆柱滚子的小齿轮支承装置。
发明内容
本发明的任务在于，提供一种驱动设备和一种小齿轮支承装置，该小齿轮支承装置紧凑地构造并且与之相应地本身需要很小的安装空间并且可简单且成本低廉地装配。
该任务根据权利要求1的主题得以解决。
根据本发明，小齿轮轴至少在构造在电机中的支承部位上可绕旋转轴线相对转子旋转运动地支承。因此，用于支撑小齿轮轴的支承部位如在现有技术中那样不再在电机的外部联接到电机上，而是集成到电机中。因此，设备所要求的轴向安装空间相比现有技术而言减小了。
根据本发明的设计方案，支承部位具有至少一个滚动轴承，通过该滚动轴承，小齿轮轴可绕旋转轴线相对转子旋转运动地支承。滚动轴承的至少一部分在径向在外部被转子和/或定子限定的环形空间中布置在定子轴和/或小齿轮轴之间，使得滚动轴承的至少一部分在整个周侧被转子和/或定子包围。在这类紧凑构造的驱动设备中，径向从外向内开始彼此同轴心地安置有定子、转子、滚动轴承、小齿轮轴以及（有选择地）转子轴。
小齿轮轴和转子不相互依赖地可绕共同的旋转轴线旋转运动地支承。转子的小齿轮轴分别以至少一列滚动体可转动地支承。一列在意义上可以理解为在周侧以周线相邻的滚动体。滚动体为球或滚子。两列在电机中都被转子和/或定子包围。
滚动体在与滚动体的实施方案无关地具有球槽、圆柱形面或者锥形面的滚动轨道上滚动。滚动轨道在轴承环（内环或外环）上直接构造在轴或壳体上。
本发明的另一设计方案设置，用于支承小齿轮轴和转子的列的滚动轨道在支承部位中的共同支架中布置、构成或者通过该支架相互轴向连接。这类支架例如是容纳两个轴承环的套筒，其中，轴承环中的一个具有一个或者多个用于支承小齿轮轴的列的滚动轨道，并且轴承环中的一个具有一个或者多个用于支承转子的滚动轨道。然而，支架优选是用于所有滚动体列的共同的轴承环，通过这些滚动体列小齿轮轴和转子可绕旋转轴线旋转地支承。轴承环优选是外环。
根据本发明的设计方案，支架具有一个或多个法兰，通过该法兰可以将小齿轮轴轴承紧固在电机上/中。
最后，设计方案设置用于支承小齿轮轴的滚动轴承，该滚动轴承具有至少一个轴承环，在该轴承环上构造有至少一个，但优选两个用于滚动支承小齿轮轴的滚动体列的滚动轨道，以及至少一个用于支承转子的滚动体列的滚动轨道。
支承装置是非常紧凑的并且可以连同小齿轮轴一起构造为被最终置入电机中的预装配单元。
附图说明
下面借助实施例进一步阐释本发明。图1示出未完全示出的驱动设备1的沿着驱动设备1的主轴线2的纵剖图。图2示出驱动设备1的横向于主轴线2沿着根据图1的线II-II的剖面图。图3放大且不按比例地示出图1中具有用于支承小齿轮轴5a以及转子轴7a的支承部位11的细节Z。而图4示出图1中具有支承部位11上的小齿轮轴支承装置10的替代构型的细节Z。
具体实施方式
驱动设备1具有电机3和差速器4。电机3通过未进一步示出的作用连接装置与小齿轮轴5a连接。作用连接装置可以是离合器或变速器或者离合器和变速器的组合。变速器例如是行星变速器。小齿轮轴5a与转子轴7a、定子8以及转子7同轴心地布置并且沿着主轴线2轴向地被引导穿过电机3。
小齿轮轴5a是角传动机构5的组成部分，该角传动机构进一步还由小齿轮5b和盘形齿轮5c构成。小齿轮5b是固定地安置在小齿轮轴5a上的锥形齿轮。盘形齿轮5c固定地紧固在差速器4的差速器笼4a上。差速器4由在其中可转动地支承有补偿齿轮4b的差速器笼4a和未示出的可转动地支承在差速器笼4a中并与补偿齿轮4b齿啮合的车轴齿轮构成。车轴齿轮与车轴4c连接。车轴4c设有法兰4e，通过这些法兰能够建立起与被驱动的轴/轮的连接。
角传动机构5通过小齿轮5b齿啮合到盘形齿轮5c的齿部中产生，其中，小齿轮轴5a的旋转轴线5d和车轴齿轮4c的旋转轴线4d彼此横向地延伸。小齿轮轴5a的旋转轴线5d相应于主轴线2。车轴齿轮4c的旋转轴线4d相应于盘形齿轮5c的旋转轴线并且在根据图1的图示中垂直地延伸到图平面中去或从图平面中延伸出来。
电机2能够有选择地切换为电动机或发电机，并且具有定子6和转子7。定子6固定在驱动设备1的壳体8上。转子7安置在转子轴7a上。转子轴7a以及进而转子7可绕旋转轴线5d转动地支承在两个支承部位9和11上。
支承部位9由容纳在轴承护罩12中的滚动轴承9a构成。为此，构造为锥形轴承13的滚动轴承9a以内环13a安置在轴承护罩12的圆柱体形凸缘12a上。锥形轴承13还具有一列径向布置在内环13a的滚动轨道与属于锥形轴承13的外环13c之间的球13b。在外环13c上支撑有转子轴7a。
另外的支承部位11具有三列14、15和16轴向相邻的滚动体14’、15’和16’，它们的外部滚动轨道18、26、27共同构造在支架20上。支架20在这种情况下是具有法兰21a的外环21。法兰21a旋拧到驱动设备1的壳体22上。
与支承部位9中的布置不同，转子轴7a并不容纳在滚动轴承的外环上而是容纳在球形轴承17的内环17a中（图3）。因此，转子7通过内环17a和支架20上的那列14滚动体14’以及法兰21支撑在壳体22上。在此，构造为球的滚动体14’在直接在支架20上构造为球槽的滚动轨道18中滚动。
转子轴7a构造为空心轴，小齿轮轴5a与转子轴7a无接触地插在该空心轴中。小齿轮轴5a借助于列15和16可绕旋转轴线5d转动地支承。滚动体15’和16’分别配属有在内环24和25上构造出的内部滚动轨道19或23。内环24和25安置在小齿轮轴5a上。用于滚动体15’和16’的外部滚动轨道26和27锥形地直接构造在支架20上。小齿轮轴5a通过内环24和25、滚动体15’和16’以及外部滚动轨道26和27可转动地支承在支架20上，而通过支架20借助于法兰21支撑在壳体22上。
通过将外部滚动轨道18，26和27直接构造在支架上，用于列14、15和16的支架是共同的实施为外环的轴承环28。
通过列15和16构成的滚动轴承是借助于螺母29无间隙地相对彼此轴向预紧的径向推力轴承。螺母29旋拧到螺纹31上并轴向相对内环24拧紧。在由支架20和小齿轮轴5d限定的列15与16之间的环形空间中置入密封装置32。
通过将滚动体15和16分别支撑在支架20上，由支架20和具有内环17a、24和25的列14、15和16构成的、具有装配好的小齿轮轴5d和密封装置32的小齿轮轴轴承10是自保持的结构组件，该结构组件能够在装配驱动设备之前被预装配好，并且该结构组件能够被轴向推到电机3中并借助于法兰21紧固在壳体22上。
列14和15径向在外部在整个周侧上被转子轴7a、转子7和定子包围。列16径向在外部在整个周侧上被定子8包围。
通过图4示出的小齿轮轴轴承30与小齿轮轴轴承10的不同基本上仅在于它具有由板材制成的套筒状支架33。球形轴承17的列14的滚动体14’在构造在实施为外环的轴承环17b上的外部滚动轨道34上滚动。轴承环17b固定地安置在支架33中。锥形滚子轴承的滚动体15’在构造在实施为外环的轴承环36上的外部滚动轨道35上滚动。轴承环36固定地安置在支架33中并且轴向支撑在保险环40上。小齿轮附近的锥形滚子轴承的滚动体16’在构造在实施为外环的轴承环38上的外部滚动轨道37上滚动。轴承环38安置在支架33中并且轴向支撑在支架33的凸肩33a上。
转子轴7a构造为空心轴，小齿轮轴5a与转子轴7a无接触地插在该空心轴中。小齿轮轴5a借助于滚动体15’和16’可绕旋转轴线5d转动地支承。滚动体15’和16’分别配属有在内环24和25上锥形地构造的内部滚动轨道19或23。内环24和25安置在小齿轮轴5a上。
小齿轮轴5a通过内环24和25、滚动体15’和16’以及轴承环17b、36和38可转动地支承在支架33上并且通过支架33借助于未进一步示出的法兰支撑在壳体22上。
通过列15和16的滚动体15’和16’构成的滚动轴承是借助于螺母29无间隙地相对彼此轴向预紧的径向推力轴承。螺母29旋拧到螺纹31上并且轴向相对内环24拧紧。在由支架33和小齿轮轴5d限定的列15和16之间的环形空间中置入密封装置39。
通过将轴承环17b、36和38分别支撑在支架33上，由支架33、轴承环17b、36和38和具有内环17a、24和25的列14、15、16构成的具有装配好的小齿轮轴5d和密封装置39的小齿轮轴轴承30是自保持的结构组件，该结构组件能够在装配驱动设备之前被预装配好，并且该结构组件能够被轴向推到电机3中并借助于支架33的法兰紧固在壳体22上。
附图标记列表
1 驱动设备 16 滚动体列
2 主轴线 16’ 滚动体
3 电机 17 球形轴承
4 差速器 17a 内环
4a 差速器笼 17b 轴承环
4b 补偿齿轮 18 滚动轨道
4c 轴 19 滚动轨道
4d 旋转轴线 20 支架
4e 法兰 21 外环
5 角传动机构 21a 法兰
5a 小齿轮轴 22 壳体
5b 小齿轮 23 滚动轨道
5c 盘形齿轮 24 内环
5d 旋转轴线 25 内环
6 定子 26 滚动轨道
7 转子 27 滚动轨道
7a 转子轴 28 轴承环
8 壳体 29 螺母
9 支承部位 30 小齿轮轴支承装置
9a 滚动轴承 31 螺纹
10 小齿轮轴轴承 32 密封装置
11 支承部位 33 支架
12 轴承护罩 33a 凸肩
12a 凸缘 34 滚动轨道
13 球形轴承 35 滚动轨道
13a 内环 36 轴承环
13b 球 37 滚动轨道
13c 外环 38 轴承环
14 滚动体列 39 密封装置
14’ 滚动体 40 保险环
15 滚动体列
15’ 滚动体

Claims (10)

1.一种具有至少一个电机（3）的驱动设备（1），所述驱动设备具有差速器（4）以及在电机（3）与差速器（4）之间的角传动机构（5），其中，角传动机构（5）具有至少一个带有小齿轮（5b）的小齿轮轴（5a）和与小齿轮（5b）齿啮合并与差速器（4）连接的盘形齿轮（5c），并且其中，小齿轮轴（5a）与电机（3）的转子（7）的旋转轴线（5d）同轴心地被引导穿过转子轴（7a），并且其中，转子（7）和小齿轮轴（5a）能绕旋转轴线（5d）相对电机（3）的定子（8）旋转运动地支承，其特征在于，小齿轮轴（5d）至少在构造在电机（3）中的支承部位（11）上能绕旋转轴线（5d）相对定子（8）以及相对转子（7）旋转运动地支承。
2.根据权利要求1所述的驱动设备，其特征在于，支承部位（11）具有至少一个带有至少一列（15、16）滚动体（15’、16’）的滚动轴承，通过所述滚动轴承，小齿轮轴（5a）能绕旋转轴线（5d）相对定子（8）以及相对转子（7）旋转运动地支承，其中，滚动轴承的至少一列（15、16）在整个周侧被转子（7）和/或定子（8）包围。
3.根据权利要求1所述的驱动设备，其特征在于，小齿轮轴（5a）和转子（7）在支承部位（11）上能以能共同及相对定子（8）以及相对彼此相对自由旋转的方式绕旋转轴线（5d）旋转运动地支承。
4.根据权利要求3所述的驱动设备，其特征在于，小齿轮轴（5a）在支承部位（11）中通过至少一个第一列（15、16）滚动体（15’、16’）支承，而转子（7）通过至少一个第二列（14’）滚动体（14’）支承在支承部位（11）中，其中，支承部位（11）的至少两列（14、15）滚动体（14’、15’）在整个周侧被转子（7）和/或定子（8）包围。
5.根据权利要求4所述的驱动设备，其特征在于，用于支承有小齿轮轴（5a）的其中一个列（15、16）的至少一个滚动轨道（26、27、35、37）和所述列（14）的用于支承有转子（7）的另一列的至少一个滚动轨道（14a、34）布置在支承部位（11）中的共同的支架（20、33）上。
6.根据权利要求5所述的驱动设备，其特征在于，支架（33）是分别承载至少一个轴承环（17b、36和38）的套筒，其中，滚动轨道（34、35、36）构造在相应的轴承环（17b、36、38）上。
7.根据权利要求5所述的驱动设备，其特征在于，支架（20）是用于滚动轨道（18、26、27）中的至少两个滚动轨道的共同的轴承环（28）。
8.根据权利要求5所述的驱动设备，其特征在于，支架（20、33）通过至少一个法兰（21a）紧固在驱动设备（1）上。
9.根据权利要求5所述的驱动设备，其特征在于，小齿轮轴（5a）借助于两个在轴向上相互间隔开并相对安装的滚动体（15’、16’）列（15、16）支承，而转子（7）借助于至少一个在轴向上与所述两列滚动体（15’、16’）间隔开的另一滚动体（14’）列（14）能绕旋转轴线（5d）旋转运动地支承，其中，支架（20）是用于所述至少三列（14、15、16）的滚动轨道（34、35、37）的共同的轴承环（28）。
10.一种根据权利要求1所述的、用于将小齿轮轴支承在支承部位上的小齿轮轴轴承，其特征在于具有至少一个轴承环（28），在所述轴承环上构造出至少一个用于滚动体（15’、16’）列（15、16）的、用于滚动支承小齿轮轴（5d）的滚动轨道（35、37）和至少一个用于滚动体（14’）列的、用于支承转子（7）的滚动轨道（34）。
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