CN110730879B - 用于机动车的驱动装置 - Google Patents

用于机动车的驱动装置 Download PDF

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CN110730879B
CN110730879B CN201880038676.6A CN201880038676A CN110730879B CN 110730879 B CN110730879 B CN 110730879B CN 201880038676 A CN201880038676 A CN 201880038676A CN 110730879 B CN110730879 B CN 110730879B
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clutch
gear
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克里斯蒂安·卢茨
菲利普·武尔茨贝格尔
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Schaeffler Technologies AG and Co KG
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62Gearings having three or more central gears
    • F16H3/66Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F16H3/663Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. RAVIGNEAUX
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62Gearings having three or more central gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/0059Braking of gear output shaft using simultaneous engagement of friction devices applied for different gear ratios
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/22Locking of the control input devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K2001/001Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00Special features of vehicle units
    • B60Y2400/70Gearings
    • B60Y2400/73Planetary gearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H2003/445Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/0021Transmissions for multiple ratios specially adapted for electric vehicles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/2002Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2005Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/203Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2035Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/2097Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing

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Abstract

本发明涉及用于机动车的驱动装置,其包括驱动机(1)和具有三联行星轮组(3)以及具有第一和第二离合器(K1、K2)的传动装置(2),其中,三联行星轮组(3)具有多个三联行星轮(4),其中,每个三联行星轮(4)均具有第一齿轮(4a)、第二齿轮(4b)和第三齿轮(4c),其中,各自的三联行星轮(4)的三个齿轮(4a、4b、4c)抗相对转动地相互连接,并且共同地以能转动的方式容纳在行星架(6)上,并且其中,驱动机(1)能经由第一离合器(K1)和第一太阳轮(5a)与三联行星轮组(3)联接,并且/或者能经由第二离合器(K2)和第二太阳轮(5b)与三联行星轮组联接。

Description

用于机动车的驱动装置
技术领域
本发明涉及一种用于机动车的驱动装置,该驱动装置具有传动装置。
背景技术
由DE 10 2010 023 948 A1中得知了一种驱动单元。该驱动单元包括限定了沿着主轴线延伸的中空的内部空间的箱壳体、以及布置在箱壳体的中空的内部空间中的并且沿着主轴线延伸的空心轴、和布置在箱壳体的中空的内部空间中的并且径向包围空心轴的其中一个区段的电动马达。电动马达在功能上与空心轴相连,使得空心轴在响应电动马达的运行的情况下围绕着主轴线旋转。此外,驱动单元还包括至少一个齿轮组,它沿着主轴线以相对于电动马达成间隔关系地布置。该至少一个齿轮组与空心轴在功能上嵌接,并且被设计成用于围绕着主轴线旋转。此外,驱动单元还包括至少一个输出轴,它至少部分地被布置在箱壳体的中空的内部空间中,并且沿着主轴线延伸。该至少一个输出轴以能转动的方式与该至少一个齿轮组连接,并且被设计成用于围绕着主轴线旋转。该至少一个齿轮组被设置成用于让该至少一个输出轴围绕着主轴线以小于空心轴的转速的转速来旋转。
US 2 570 327 A描述了一种具有三联行星组的驱动装置,驱动机经由第一离合器和第一太阳轮与三联行星轮组联接,或者经由第二离合器和第二太阳轮与三联行星轮组联接。
发明内容
本发明的任务在于,创造一种用于机动车的驱动装置,该驱动装置具有传动装置,其中,驱动装置应具有高的紧凑性以及具有至少两个传动挡。
该任务通过下文所述的驱动装置来解决。本发明的优选的或有利的实施方式由以下说明书以及附图中得出。
根据本发明的用于机动车的驱动装置包括驱动机和具有三联行星轮组以及具有第一离合器和第二离合器的传动装置,其中,三联行星轮组具有多个三联行星轮,其中,每个三联行星轮均具有第一齿轮、第二齿轮和第三齿轮,其中,各自的三联行星组的三个齿轮抗相对转动地相互连接,并且共同地以能转动的方式容纳在行星架上,并且其中,驱动机能经由第一离合器和第一太阳轮与三联行星组联接,并且/或者能经由第二离合器和第二太阳轮与三联行星轮组联接,其中,驱动机构造成具有定子和转子的电机,其中,转子抗相对转动地与驱动轴相连,驱动轴能经由第一离合器与第一太阳轮联接,其中,第一太阳轮与第一齿轮处于啮合状态,并且驱动轴能经由第二离合器与第二太阳轮联接,其中,第二太阳轮与第二齿轮处于啮合状态,其中,第三齿轮与固定不动布置的齿圈处于啮合状态,并且两个离合器均断开实现传动装置自由空转,其中,两个离合器均闭合实现传动装置联锁,其中,在驱动机与驱动轴之间布置有第三离合器,以便使驱动机在传动装置联锁的情况下与传动装置脱联。
换句话说,驱动机在传动装置上的接驳经由两个太阳轮中的至少一个来实现。驱动机的驱动功率经由第一或第二太阳轮传递到三联行星轮组上。根据第一和第二离合器的切换位置而定地,调整出各自的传动比。
三联行星轮具有三个齿部区域,也就是第一、第二和第三齿轮。这三个齿部区域或者说齿轮彼此轴向相邻地布置,并且优选地具有不同的直径和齿数。
本发明包括以下技术教导:闭合第一离合器并断开第二离合器实现第一传动比,其中,闭合第二离合器并断开第一离合器实现第二传动比。此外,两个离合器均闭合实现传动装置联锁。两个离合器均断开实现传动装置自由空转。优选地,在驱动机与驱动轴之间布置有第三离合器,以便使驱动机在传动装置联锁的情况下与传动装置脱联。
两个相互处于啮合状态的齿轮被设置成用于将转矩和转速从一个齿轮传递到另一个齿轮上。“齿轮”例如也被理解为太阳轮以及齿圈。
术语“离合器”被理解为具有至少一个断开和闭合状态的装置。在断开状态下,离合器不传递转矩。因此,离合器只有在至少部分闭合的状态下才在两个与离合器协作的元件之间,尤其是在驱动轴与各自的太阳轮之间传递转矩。离合器不仅可以构造成动力换挡元件、尤其是构造成摩擦离合器,也可以构造成形状锁合(formschlüssig)的切换元件、尤其是构造成牙嵌式离合器。尤其地,离合器可以由致动器来操纵,以便起到让离合器断开或闭合的作用。致动器可以实施成能液压式、机电式、电磁式或者例如还有气动式地操纵。
优选地,驱动机构造成具有定子和转子的电机,其中,转子抗相对转动地与驱动轴连接。驱动机优选地轴向地与传动装置相邻地构成。
此外优选地,驱动轴能经由第一离合器与第一太阳轮联接,其中,第一太阳轮与第一齿轮处于啮合状态。此外优选地,驱动轴能经由第二离合器与第二太阳轮联接,其中,第二太阳轮与第二齿轮处于啮合状态。优选地,第三齿轮与固定不动的齿圈处于啮合状态。尤其地,齿圈与壳体抗相对转动地连接。
本发明包括以下技术教导:行星架抗相对转动地与传动装置的从动轴连接。因此,行星架用作行星传动装置的从动轴。根据优选的实施方式,行星架也可以与另外的传动装置连接,尤其是与差速器连接。从动轴与驱动轴共轴地布置。
优选地,闭合第一离合器并且断开第二离合器实现第一传动比;闭合第二离合器并且断开第一离合器实现第二传动比。
尤其地,本发明还涉及用于机动车的电的驱动桥,其包括具有驱动机并且具有传动装置的驱动装置。
附图说明
接下来借助唯一的附图结合对本发明的优选实施例的说明来更详尽地示出另外的改进本发明的措施。唯一的附图示出根据本发明的驱动装置的简化的示意图。
具体实施方式
根据该唯一的附图,根据本发明的用于(在此未示出的)机动车的驱动装置具有驱动机1和带有三联行星轮组3的传动装置2。三联行星轮组3具有多个三联行星轮4,其中,基于所选择的示图仅示出了一个三联行星轮4。每个三联行星轮4均具有第一齿轮4a、第二齿轮4b和第三齿轮4c,其中,各自的三联行星轮4的三个齿轮4a、4b、4c抗相对转动地相互连接,并且共同地以能转动的方式容纳在行星架6上。行星架6抗相对转动地与传动装置2的从动轴11连接。
三联行星轮组3与第一太阳轮5a、第二太阳轮5b和齿圈10连接。在此,第一齿轮4a与第一太阳轮5a处于啮合状态,其中,第二齿轮4b与第二太阳轮5b处于啮合状态,并且其中,第三齿轮4c与齿圈10处于啮合状态。
传动装置2此外还具有第一和第二离合器K1、K2。驱动机1构造成具有定子7和转子8的电机,其中,转子8与驱动轴9抗相对转动地连接。驱动轴9与从动轴11共轴地布置。此外,驱动轴9能经由第一离合器K1与第一太阳轮5a联接。此外,驱动轴9能经由第二离合器K2与第二太阳轮5b联接。在此,闭合第一离合器K1并且断开第二离合器K2实现第一传动比,其中,闭合第二离合器K2并且断开第一离合器K1实现第二传动比。通过断开两个离合器K1、K2实现传动装置自由空转。两个离合器K1、K2均闭合实现传动装置联锁。
附图标记列表
1 驱动机
2 传动装置
3 三联行星轮组
4 三联行星轮
4a、4b、4c 齿轮
5a、5b 太阳轮
6 行星架
7 定子
8 转子
9 驱动轴
10 齿圈
11 从动轴
12 壳体
K1 第一离合器
K2 第二离合器。

Claims (5)

1.用于机动车的驱动装置,所述驱动装置包括驱动机(1)和具有三联行星轮组(3)以及具有第一离合器(K1)和第二离合器(K2)的传动装置(2),其中,所述三联行星轮组(3)具有多个三联行星轮(4),其中,每个三联行星轮(4)均具有第一齿轮(4a)、第二齿轮(4b)和第三齿轮(4c),其中,各自的三联行星轮(4)的三个齿轮(4a、4b、4c)抗相对转动地相互连接,并且共同地以能转动的方式容纳在行星架(6)上,并且其中,所述驱动机(1)能经由所述第一离合器(K1)和第一太阳轮(5a)与所述三联行星轮组(3)联接,并且/或者能经由所述第二离合器(K2)和第二太阳轮(5b)与所述三联行星轮组联接,其中,所述驱动机(1)构造成具有定子(7)和转子(8)的电机,其中,所述转子(8)抗相对转动地与驱动轴(9)相连,所述驱动轴(9)能经由所述第一离合器(K1)与所述第一太阳轮(5a)联接,其中,所述第一太阳轮(5a)与所述第一齿轮(4a)处于啮合状态,并且所述驱动轴(9)能经由所述第二离合器(K2)与所述第二太阳轮(5b)联接,其中,所述第二太阳轮(5b)与所述第二齿轮(4b)处于啮合状态,其特征在于,
所述第三齿轮(4c)与固定不动布置的齿圈(10)处于啮合状态,并且
两个离合器(K1、K2)均断开实现传动装置自由空转,其中,两个离合器(K1、K2)均闭合实现传动装置联锁,其中,在所述驱动机(1)与所述驱动轴(9)之间布置有第三离合器,以便使所述驱动机(1)在传动装置联锁的情况下与所述传动装置(2)脱联。
2.根据权利要求1所述的驱动装置,其特征在于,所述行星架(6)抗相对转动地与所述传动装置(2)的从动轴(11)相连。
3.根据权利要求2所述的驱动装置,其特征在于,所述驱动轴(9)与从动轴(11)共轴地布置。
4.根据权利要求1至3中任一项所述的驱动装置,其特征在于,闭合所述第一离合器(K1)并且断开所述第二离合器(K2)实现第一传动比,其中,闭合所述第二离合器(K2)并且断开所述第一离合器(K1)实现第二传动比。
5.用于机动车的驱动桥,所述驱动桥具有根据权利要求1至4中任一项所述的驱动装置。
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