CN107664203A - 用于动力传递系统的行星齿轮组的旋转支撑结构 - Google Patents

用于动力传递系统的行星齿轮组的旋转支撑结构 Download PDF

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CN107664203A
CN107664203A CN201611010606.9A CN201611010606A CN107664203A CN 107664203 A CN107664203 A CN 107664203A CN 201611010606 A CN201611010606 A CN 201611010606A CN 107664203 A CN107664203 A CN 107664203A
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gear
planetary gearsets
power
transmission system
bearing
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CN201611010606.9A
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CN107664203B (zh
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蔡金默
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Hyundai Motor Co
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Hyundai Motor Co
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • 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
    • B60K6/383—One-way clutches or freewheel devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/082—Planet carriers
    • 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
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • 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
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    • F16H—GEARING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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    • 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
    • B60K2006/381—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 characterized by driveline brakes
    • 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
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    • B60K6/365—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 with the gears having orbital motion
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
    • F16H3/725—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines with means to change ratio in the mechanical gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • 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
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    • 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
    • F16H37/0833—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 arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • 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
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    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in 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
    • F16H—GEARING
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    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0479—Gears or bearings on planet carriers
    • 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
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  • General Details Of Gearings (AREA)

Abstract

本发明涉及一种用于动力传递系统的行星齿轮组的旋转支撑结构，包括：第一轴，其中行星齿轮组的太阳轮在所述第一轴的端部处整体形成；第二轴，其直接连接至行星齿轮组的行星齿轮架，所述行星齿轮架可旋转地支撑在外部与太阳轮啮合的多个小齿轮并设置在与第一轴相同的轴线上；多个轴承，所述多个轴承设置在外部齿轮的内部空间部分中且可旋转地支撑行星齿轮组的齿圈，所述齿圈的内部与小齿轮啮合并经由保持器而整体连接至用于输出的外部齿轮；以及第一支撑件，其在前壳体中形成且可旋转地支撑齿圈。

Description

用于动力传递系统的行星齿轮组的旋转支撑结构
相关申请的交叉引用
本申请要求2016年7月27日提交的韩国专利申请第10-2016-0095526号的优先权及权益，该申请的全部内容结合于此用于通过该引用的所有目的。
技术领域
本发明涉及一种行星齿轮组，更具体地涉及一种用于动力传递系统的行星齿轮组的旋转支撑结构，所述旋转支撑结构支撑应用于车辆的动力传递系统的行星齿轮组的旋转。
背景技术
车辆环保技术是控制未来汽车工业的存活的核心技术且高级汽车生产商已经将其精力关注于环保车辆的研发从而实现环境管理和燃料效率管理。
因此，各个汽车生产商开发了电动汽车(EV)、混合动力电动车(HEV)、燃料电池电动汽车(FCEV)等作为未来的车辆技术。
如上所述，由于未来的车辆具有诸如重量、成本等苛刻的技术限制，因此汽车生产商关注动力传递系统作为解决现实问题(例如满足废气法规和提高燃料效率性能)的替代手段且激烈地竞争使得动力传递系统商业化。
因此，为了提高燃料效率性能，应用于车辆的动力传递系统包括至少一个行星齿轮组使得动力传递系统具有多个变速档位。
行星齿轮组具有作为旋转元件的太阳轮、行星齿轮架和齿圈。旋转元件由变速器壳体或前壳体支撑。需要多个轴承来支撑旋转元件。
近年来开发了包括超过8个档位(例如第八速度)的多档位变速器的动力传递系统，使得行星齿轮组的数量增加。因此，当用于行星齿轮组的旋转支撑结构在具有狭窄空间的变速器壳体中进行设计的时候，存在许多限制。
公开于本发明的背景部分的信息仅仅旨在加深对本发明的一般背景技术的理解，而不应当被视为承认或以任何形式暗示该信息构成已为本领域技术人员所公知的现有技术。
发明内容
本发明的各个方面致力于提供一种用于动力传递系统的行星齿轮组的旋转支撑结构，所述旋转支撑结构能够通过整体连接用于输出的外部齿轮和应用于车辆的动力传递系统的行星齿轮组的齿圈并通过将多个轴承容纳在外部齿轮中形成的内部空间中使得旋转支撑结构支撑在前壳体中旋转的行星齿轮组，从而减小整体长度。
本发明提供用于动力传递系统的行星齿轮组的旋转支撑结构，通过将齿圈中包括的轮齿的螺旋角方向设置成与外部齿轮中包括的轮齿的螺旋角方向相同的方向，而使所述旋转支撑结构能够抵消推力(或轴向负载)。
本发明提供旋转支撑结构，所述旋转支撑结构能够利用齿圈和外部齿轮的借助于保持器的整体性从而提高可加工性和批量生产率，并能够利用轮齿的磨削和轮齿的拉削加工从而降低齿轮噪声并增大齿轮的传递效率。
此外，本发明提供旋转支撑结构，通过利用外部齿轮的内部空间在径向方向上重复设置轴承，以使所述旋转支撑结构能够防止由于外部齿轮的力矩所造成的不均匀的齿轮啮合、齿轮噪声，和轴承寿命的缩短，并能够减小轴承的安装空间和轴承尺寸。
本发明的示例性实施方案可以提供一种用于动力传递系统的行星齿轮组的旋转支撑结构，包括：第一轴，其中行星齿轮组的太阳轮在所述第一轴的端部处整体形成；第二轴，其直接连接至行星齿轮组的行星齿轮架，所述行星齿轮架可旋转地支撑在外部与太阳轮啮合的多个小齿轮并设置在与第一轴相同的轴线上；多个轴承，所述多个轴承设置在外部齿轮的内部空间部分中并可旋转地支撑行星齿轮组的齿圈，所述齿圈的内部与小齿轮啮合并经由保持器而整体连接至用于输出的外部齿轮；以及第一支撑件，其在前壳体中形成并可旋转地支撑齿圈。
内部空间部分可以在与设置齿圈的一侧相反的那一侧形成，可以对应于第一支撑件的径向方向上的内侧和外侧在内部空间部分的径向方向上的内侧和外侧处整体形成内周部分和外周部分，多个轴承中的第一轴承可以设置在第一支撑件的径向方向上的内侧和内周部分之间，多个轴承中的第二轴承可以设置在第一支撑件的径向方向上的外侧和外周部分之间。
第一轴承可以在轴向方向上通过安装在内周部分中的卡环而固定。
第一轴承的中心可以从外部齿轮的中心朝向前壳体以一定距离移动，第二轴承的中心可以从外部齿轮的中心朝向行星齿轮组以一定距离移动。
外部齿轮的内周部分可以被设置在第二轴和内周部分之间的第三轴承可旋转地支撑。
行星齿轮架可以被设置在行星齿轮架和第二支撑件之间的第四轴承可旋转地支撑，所述第二支撑件在变速器壳体中形成并在与设置前壳体的一侧相反的那一侧形成。
齿圈可以为内部齿轮，齿圈中包括的轮齿的螺旋角方向可以设置成与外部齿轮中包括的轮齿的螺旋角方向相同的方向。
根据本发明的示例性实施方案的用于动力传递系统的行星齿轮组的旋转支撑结构可以通过使用保持器使行星齿轮组的齿圈与用于输出的外部齿轮整体形成并通过将轴承容纳在外部齿轮的内部空间中使得旋转支撑结构支撑在前壳体中旋转的行星齿轮组，从而减小整体长度。
通过在内部空间之内在径向方向上重复设置两个轴承，本发明的示例性实施方案可以减小轴承的安装空间和轴承尺寸并可以增大轴承的效率。
本发明的示例性实施方案可以通过使用保持器连接外部齿轮和齿圈从而改进可加工性和批量生产率，并可以降低齿轮噪声且可以利用轮齿的磨削加工和轮齿的拉削加工而增大齿轮的传递效率。
通过将齿圈中包括的轮齿的螺旋角方向设置成与外部齿轮中包括的轮齿的螺旋角方向相同的方向，本发明的示例性实施方案可以抵消推力(或轴向负载)，由此延长寿命并增大轴承的效率。
此外，通过将两个轴承容纳在外部齿轮的内部空间中，本发明的示例性实施方案可以防止由于外部齿轮的力矩所造成的不均匀的齿轮啮合、齿轮噪声，和轴承寿命的缩短。
另外，在如下详细描述中直接地或暗示地描述可以通过本发明示例性实施方案而获得或预期的效果。换言之，将在如下详细描述中描述通过本发明的示例性实施方案预期的各种效果。
通过纳入本文的附图以及随后与附图一起用于说明本发明的某些原理的具体描述，本发明的方法和装置所具有的其它特征和优点将更为具体地变得清楚或得以阐明。
附图说明
图1为显示应用根据本发明示例性实施方案的车辆的动力传递系统的实施例的示意图。
图2为显示根据本发明示例性实施方案的行星齿轮组的旋转支撑结构的横截面图。
图3为应用于旋转支撑结构的齿圈和外部齿轮的组装立体图。
图4为图2的A部分的放大图。
应当了解，所附附图并非按比例地绘制，显示了说明本发明的基本原理的各种特征的略微简化的画法。本文所公开的本发明的具体设计特征(包括例如具体尺寸、方向、位置和形状)将部分地由具体所要应用和使用的环境来确定。
在这些图中，贯穿附图的多幅图，附图标记代表本发明的相同或等同的部分。
具体实施方式
下面将详细参考本发明的各个实施方案，这些实施方案的示例被显示在附图中并描述如下。尽管本发明将与示例性实施方案相结合进行描述，应当理解本说明书并非旨在将本发明限制为那些示例性实施方案。相反，本发明旨在不但覆盖这些示例性实施方案，而且覆盖可以被包括在由所附权利要求所限定的本发明的精神和范围之内的各种选择形式、修改形式、等价形式及其它实施方案。
将参考附图描述本发明使得本领域技术人员能够实施本发明。本领域技术人员将意识到，可以对所描述的实施方案进行各种不同方式的修改，所有这些修改将不脱离本发明的精神或范围。
说明书应当被认为本质上是说明性的而非限制性的。在整个说明书中，相同的附图标记表示相同的元件。
在如下描述中，将元件的名称区分成第一、第二等是因为元件的名称彼此相同但是其顺序不受特定限制因此对名称进行区分。
图1为显示应用根据本发明示例性实施方案的车辆的动力传递系统的实施例的示意图。
例如，动力传递系统可以是用于混合动力车的动力传递系统(例如动力传递装置)。
参考图1，可以为动力传递系统设置包括发动机ENG、第一马达/发电机MG1和第二马达/发电机MG2的动力源。动力传递系统包括作为功率分配器的行星齿轮组PG。
行星齿轮组PG、第一马达/发电机MG1、第二马达/发电机MG2以及发动机ENG可以具有相同的轴线。行星齿轮组PG、第一马达/发电机MG1以及第二马达/发电机MG2可以依次设置在发动机ENG的后侧。
作为主要动力源的发动机ENG可以是汽油发动机或使用化石燃料的柴油发动机。来自发动机ENG的旋转动力输出可以通过第二轴(或输入轴)S2而输入至动力传递系统。
行星齿轮组PG是单小齿轮行星齿轮组，其可以包括作为旋转元件的太阳轮S、行星齿轮架PC以及齿圈R，所述行星齿轮架PC可旋转地支撑在外部与太阳轮S啮合的小齿轮P，所述齿圈R与小齿轮P在内部啮合。
太阳轮S可以通过第一轴(例如第一马达轴)S1而直接连接至第一马达/发电机MG1，行星齿轮架PC可以直接连接至第二轴S2从而充当输入元件，齿圈R可以直接连接至用于输出的外部齿轮(例如输出齿轮)G1从而充当输出元件。
此外，太阳轮S可以通过制动器BK而连接至变速器壳体H从而充当选择性固定元件，行星齿轮架PC可以通过单向离合器OWC而能够选择性地连接至变速器壳体H从而防止行星齿轮架PC的反向旋转。
第一马达/发电机MG1和第二马达/发电机MG2可以执行马达功能和发电机功能，第一马达/发电机MG1和第二马达/发电机MG2可以包括固定至变速器壳体的第一定子ST1和第二定子ST2、在第一定子ST1中旋转的第一转子RT1以及在第二定子ST2中旋转的第二转子RT2。
第一转子RT1可以直接连接至第一轴S1，第二转子RT2可以直接连接至第三轴(例如第二马达轴)S3，所述第三轴S3叠加在第一轴S1的外周表面上而无旋转干扰。第三轴S3可以直接连接至另一个用于输出的外部齿轮G2。
来自两个外部齿轮G1和G2的旋转动力输出可以通过第一副轴CS1和第二副轴CS2而传递至包括差速器(例如差速齿轮机构)DIFF的最终减速机构FD，所述第一副轴CS1和第二副轴CS2以预定间隔与第二轴S2和第三轴S3平行设置。
在外部与两个外部齿轮G1和G2啮合的第一中间输入齿轮MIG1和第二中间输入齿轮MIG2以及在外部与最终减速机构FD的最终减速齿轮FG啮合的第一中间输出齿轮MOG1和第二中间输出齿轮MOG2可以连接至第一副轴CS1和第二副轴CS2。
因此，第一副轴CS1可以将从行星齿轮组PG所传递的旋转动力传递至最终减速齿轮FG，第二副轴CS2可以将从第二马达/发电机MG2所传递的旋转动力传递至最终减速齿轮FG。
包括根据本发明示例性实施方案的用于行星齿轮组的旋转支撑结构的混合动力车的动力传递系统可以是混合动力车的常规动力传递装置，因此本文省略其详细描述。
图2为显示根据本发明示例性实施方案的行星齿轮组的旋转支撑结构的横截面图，图3为应用于旋转支撑结构的齿圈和外部齿轮的组装立体图。
参考图2，行星齿轮组PG的太阳轮S可以在第一轴S1的端部处整体形成。
行星齿轮架PC可以能够旋转地支撑在外部与太阳轮S啮合的多个小齿轮P且可以直接连接至第二轴S2，所述第二轴S2设置在与第一轴S1相同的轴线上且连接至发动机ENG。
参考图2和图3，齿圈R可以在内部与小齿轮P啮合，齿圈R可以经由保持器RTN而整体连接至用于输出的外部齿轮G1，齿圈R可以被两个轴承BR1和BR2以及第一支撑件1可旋转地支撑，两个轴承BR1和BR2设置在外部齿轮G1的内部空间部分SP中，第一支撑件1在前壳体FH中形成。
内部空间部分SP可以在与设置齿圈R的一侧相反的那一侧形成。可以在内部空间部分SP(或第一支撑件1)的径向方向上的内侧和外侧处整体形成内周部分3和外周部分4。
两个轴承中的第一轴承BR1可以设置在第一支撑件1的径向方向上的内侧和内周部分3之间，两个轴承中的第二轴承BR2可以设置在第一支撑件1的径向方向上的外侧和外周部分4之间。
两个轴承BR1和BR2可以在内部空间部分SP之内在径向方向上重复设置，由此防止由于外部齿轮G1的力矩所造成第二轴承BR2倾斜且防止轴承寿命缩短。
第一轴承BR1可以在轴向方向上通过安装在内周部分3中的卡环SR而固定。
齿圈R可以为内部齿轮。齿圈R中包括的轮齿的螺旋角方向可以设置成与外部齿轮G1中包括的轮齿的螺旋角方向相同的方向，由此抵消推力(或轴向负载)。
图4为图2的A部分的放大图。参考图4，第一轴承BR1的中心d1可以从外部齿轮G1的中心D朝向前壳体FH以一定距离(或预定距离)移动，第二轴承BR2的中心d2可以从外部齿轮G1的中心D朝向行星齿轮组PG以一定距离移动。
再次参考图2，外部齿轮G1的内周部分3可以被设置在第二轴S2和内周部分3之间的第三轴承BR3可旋转地支撑。
行星齿轮架PC可以被设置在行星齿轮架PC和第二支撑件2之间的第四轴承BR4可旋转地支撑，所述第二支撑件2在变速器壳体H中形成且在与设置前壳体FH的一侧相反的那一侧形成。
根据本发明的示例性实施方案，齿圈R可以经由保持器RTN而连接至外部齿轮G1。因此，可以进行外部齿轮G1的轮齿的磨削加工和齿圈R的拉削加工。当外部齿轮G1的外径小于齿圈R的外径且外部齿轮与齿圈整体形成的时候，可以不使用磨削加工和拉削加工。
根据本发明的示例性实施方案，齿圈R、外部齿轮G1以及设置在齿圈和外部齿轮之间且为环形的保持器RTN可以通过焊接方法而整体形成。
因此，即使齿圈R的外径大于外部齿轮G1的外径，通过使用磨削加工和拉削加工，齿轮噪声也可以降低且齿轮效率也可以增大。
根据本发明的示例性实施方案，齿圈R中包括的轮齿的螺旋角方向和外部齿轮G1中包括的轮齿的螺旋角方向可以以相同方向形成使得齿圈R的推力(或轴向负载)和外部齿轮G1的推力在彼此相反的方向上产生。因此，可以抵消推力使得轴承的负载减小且车辆中包括的变速器的效率增大。
根据本发明的示例性实施方案，外部齿轮G1可以被设置在前壳体FH和内部空间部分SP之间且设置在内部空间部分SP的径向方向上的内侧和外侧的两个轴承BR1和BR2可旋转地支撑。因此，可以抑制由于外部齿轮G1的力矩所造成的轴承倾斜从而防止轴承寿命缩短，且轴承的安装空间和轴承尺寸可以减小从而轴承效率可以增大。
当在前壳体FH和内部空间部分SP之间设置单个轴承的时候，轮齿啮合可能由于外部齿轮G1的力矩而变得不均匀，由此可能产生过多的齿轮噪声或者齿轮寿命可能大大地缩短。
第二轴承BR2可以组装在前壳体FH的内侧，第一轴承BR1应当通过卡环SR而固定使得第一轴承BR1可以预先组装在前壳体FH的外侧。
如图4所示，第一轴承BR1的中心d1可以位于外部齿轮G1的中心D的右侧(或设置前壳体的一侧)且第二轴承BR2的中心d2可以位于外部齿轮G1的中心D的左侧(或设置行星齿轮组的一侧)，由此获得根据本发明的示例性实施方案的上述效果。
为了方便解释和精确限定所附权利要求，术语“上”、“下”、“内”、“外”、“高”、“低”、“上”、“下”、“向上”、“向下”、“前”、“后”、“背”、“内侧”、“外侧”、“向内”、“向外”、“内部”、“外部”、“内”、“外”、“向前”和“向后”被用于参考附图中所显示的这些特征的位置来描述示例性实施方式的特征。
前面对本发明具体示例性实施方案所呈现的描述是出于说明和描述的目的。前面的描述并不旨在成为穷举的，也并不旨在把本发明限制为所公开的精确形式，显然，根据上述教导很多改变和变化都是可能的。选择示例性实施方案并进行描述是为了解释本发明的特定原理及其实际应用，从而使得本领域的其它技术人员能够实现并利用本发明的各种示例性实施方案及其不同选择形式和修改形式。本发明的范围意在由所附权利要求书及其等价形式所限定。

Claims (7)

1.一种车辆的动力传递系统中包括的行星齿轮组的旋转支撑结构，包括：
第一轴，其中行星齿轮组的太阳轮在所述第一轴的端部处整体形成；
第二轴，其直接连接至行星齿轮组的行星齿轮架，所述行星齿轮架能够旋转地支撑多个小齿轮并设置在与第一轴相同的轴线上，所述多个小齿轮在外部与太阳轮啮合；
多个轴承，所述多个轴承设置在外部齿轮的内部空间部分中并能够旋转地支撑行星齿轮组的齿圈，所述齿圈的内部与小齿轮啮合并经由保持器而整体连接至用于输出的外部齿轮；以及
第一支撑件，其在前壳体中形成并能够旋转地支撑齿圈。
2.根据权利要求1所述的车辆的动力传递系统中包括的行星齿轮组的旋转支撑结构，其中，内部空间部分在与设置齿圈的一侧相反的那一侧形成，对应于第一支撑件的径向方向上的内侧和外侧在内部空间部分的径向方向上的内侧和外侧处整体形成内周部分和外周部分，多个轴承中的第一轴承设置在内周部分和第一支撑件的径向方向上的内侧之间，多个轴承中的第二轴承设置在外周部分和第一支撑件的径向方向上的外侧之间。
3.根据权利要求2所述的车辆的动力传递系统中包括的行星齿轮组的旋转支撑结构，其中，第一轴承在轴向方向上通过安装在内周部分中的卡环而固定。
4.根据权利要求2所述的车辆的动力传递系统中包括的行星齿轮组的旋转支撑结构，其中，第一轴承的中心从外部齿轮的中心朝向前壳体移动预定距离，第二轴承的中心从外部齿轮的中心朝向行星齿轮组移动预定距离。
5.根据权利要求2所述的车辆的动力传递系统中包括的行星齿轮组的旋转支撑结构，其中，外部齿轮的内周部分被设置在第二轴和内周部分之间的第三轴承能够旋转地支撑。
6.根据权利要求1所述的车辆的动力传递系统中包括的行星齿轮组的旋转支撑结构，其中，行星齿轮架被设置在行星齿轮架和第二支撑件之间的第四轴承能够旋转地支撑，所述第二支撑件在变速器壳体中形成并在与设置前壳体的一侧相反的那一侧形成。
7.根据权利要求1所述的车辆的动力传递系统中包括的行星齿轮组的旋转支撑结构，其中，齿圈为内部齿轮，齿圈中包括的轮齿的螺旋角方向设置成与外部齿轮中包括的轮齿的螺旋角方向相同的方向。
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