CN106573536A - 车辆动力传动系统 - Google Patents

车辆动力传动系统 Download PDF

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CN106573536A
CN106573536A CN201580036169.5A CN201580036169A CN106573536A CN 106573536 A CN106573536 A CN 106573536A CN 201580036169 A CN201580036169 A CN 201580036169A CN 106573536 A CN106573536 A CN 106573536A
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axle
output
vehicle driveline
differential mechanism
clutch
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CN106573536B (zh
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K·尼尔森
H·尼尔森
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BorgWarner TorqTransfer Systems AB
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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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
    • B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
    • B60K17/3462—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear with means for changing distribution of torque between front and rear wheels
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
    • B60K17/35—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
    • B60K17/3515—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches with a clutch adjacent to traction wheel, e.g. automatic wheel hub
    • 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
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
    • 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • F16H37/0813—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 with only one input shaft
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/342—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a longitudinal, endless element, e.g. belt or chain, for transmitting drive to wheels
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
    • B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
    • B60K17/35—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
    • 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
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
    • 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
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Arrangement Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)
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Abstract

提供一种车辆动力传动系统(100)，该车辆动力传动系统(100)包括差速器(120)，该差速器(120)具有输入(102)、连接于前轴(12)的前输出(106)和连接于后轴(14)的后输出(104)。所述车辆动力传动系统(100)还包括致动器(130)，该致动器(130)配置为控制所述差速器(120)在第一模式和第二模式之间的操作，在所述第一模式，所述前输出(106)从所述输入(102)分离，在所述第二模式，所述前输出(106)连接于所述输入(102)。

Description

车辆动力传动系统
技术领域
本发明涉及一种车辆动力传动系统，更具体地，本发明涉及一种具有变速箱的车辆动力传动系统。
背景技术
由于世界多数地区的立法越来越严格，对减小乘用车的二氧化碳(CO2)排放量的要求与日俱增。对减少损耗的需求的增大，结合对增大功能性且降低成本的需求的增大，造成对新的动力传动系统技术的需求。现今，越来越多的车辆装配有动力传动分离系统，以减少全轮驱动系统(AWD-System)的损耗。这些系统的缺点是，其倾向于带来高成本，并且，在分离(两轮驱动(2WD))模式下的损耗不能被充分地利用，这主要是由于较高的离合器拖滞引起。
另外，通过CO2法规的激励，越来越多的车辆的发动机上装配有或将会装配有轻度混合(mild hybridization)的例如安装为一体化皮带驱动式起动交流发电机(B-ISG)的48V小号电机。尽管B-ISG非常好地减小了CO2的排放，但其并没有充分地利用车辆中小号电机的简化(reduction)的潜能。例如，由于B-ISG直接连接于发动机，而启动发动机必须旋转，因此，导致了额外的损耗。另外，电机用作B-ISG造成了对车辆的附加功能的限制。
有鉴于此，有改善车辆的动力传动系统的需求。
发明内容
本发明的一个目的是提供一种车辆动力传动系统，以克服现有技术系统的缺点。
根据具体的方面，提供根据独立权利要求的一种车辆动力传动系统。通过所附的从属权利要求限定优选实施方式。
附图说明
参考附图，将进一步详细描述本发明，其中：
图1是根据一种具体实施方式的车辆动力传动系统的示意图；
图2是图1中所示的车辆动力传动系统的示意图，然而其中，所示的车辆动力传动系统操作为前轴分离的模式；
图3是根据一种具体实施方式的差速器的示意图；
图4是图3中所示的差速器的剖面图，然而其中，所示的差速器操作为分离模式；
图5是根据一种具体实施方式的差速器的剖面图；
图6是图3中所示的差速器的剖面图，然而，所示的差速器操作为分离模式；
图7是根据另一种具体实施方式的车辆动力传动系统的示意图；以及
图8是根据再另外一种具体实施方式的车辆动力传动系统的示意图。
具体实施方式
在图1中，显示了变速箱形式的车辆动力传动系统100。变速箱100布置在车辆10中，车辆10具有前轴12、后轴14和用于通过传动装置(未示出)驱动变速箱100的发动机16。
变速箱100具有连接于发动机16的输入轴102、后输出轴104和前输出轴106。前输出轴106相对于后输出轴104布置为不共轴；前输出轴106通过链传动机构110连接于输入轴102。输入扭矩传递给中央差速器120，该中央差速器120具有第一输出和第二输出，第一输出为后输出轴104，第二输出为链传动机构110的驱动侧，因此，第二输出连接于前输出轴106。前输出轴106驱动前轴12，而后输出轴104驱动后轴14。
通过使用具有扭矩分布为例如50/50或60/40的中央差速器120，能够获得良好且稳健的AWD系统。一般地，由于将一个轴104、106从差速器120分离将意味着没有扭矩传递给输出轴104、106中的任意一者，因此，中央差速器拓扑不能与分离器(disconnect)结合。通过结合例如前轴12的已经存在的分离器13与差速器120的机械锁，可以保持扭矩传递给另一个轴(在这种情况下为后轴)。由于所描述的系统100没有离合器，因此，在分离模式下的拖拽损耗将非常低。提供致动器130，用于控制差速器120的操作。致动器130可以为，例如换档套筒、电磁致动器或电磁驱动器。
提供连接/分离功能的换档套筒130的费用将低于离合器组件。并且，换档套筒130在连接位置和分离位置之间的驱动可以通过简单的驱动系统以低于离合器驱动系统的成本实现。换档套筒130还可以设计为在分离前轴12之前锁定差速器120，从而为AWD制造第三状态，并且锁定的差速器120适用于较重的越野情况。
在图1中，实施为换档套筒的致动器130布置为连接模式，将差速器120的前输出和前轴12连接在一起。因此，来自发动机16的输入扭矩将传递给前轴12和后轴14。
在图2中，为了将差速器120的前输出从前轴12分离，换档套筒已经移动。因此，输入扭矩将仅传递给后轴14。
图3至图4示出了用于与图1至图2中的动力传动系统100一起使用的差速器120的一种具体实施方式。差速器可以为例如所示的锥齿轮类型或行星类型。
在图3和图4中，差速器实施为行星型差速器，该差速器具有驱动环形齿轮120：1的输入轴102。环形齿轮120：1与外行星架120：2啮合，外行星架120：2与内行星架120：3固定地旋转连接在一起。内行星架120：3与太阳轮120：4啮合，太阳轮120：4与后输出104连接，而行星架120：2和120：3与前输出106a传动连接。致动器130，例如以换档套筒的形式，布置为机械地将后输出104(即行星架120：2和120：3)锁定于前输出106a(即太阳轮120：4)。在正常操作下，如图3中所示，致动器130将前输出106a与行星架120：2和120：3连接。在这种状态下，差速器120打开以使传动扭矩提供给前轴和后轴。
在图4中，示出了分离状态，在该状态，致动器130已驱动移动以锁定差速器120。在此位置，行星架120：2和120：3机械地锁定到太阳轮120：4。同时前输出106a与行星架120：2和120：3分离。如果前轴106a分离，则传动扭矩将仍然提供给后轴104。
当差速器120在所需正常操作下，如图3所示，控制为解锁状态。此时致动器130控制为解除行星架120：2和120：3与环形齿轮120：1的锁定，并且同时，将前输出106a连接于行星架120：2和120：3。在这种状态下，传动扭矩提供给前输出和后输出。
在图5和图6中，示出了差速器的另一种具体实施方式。差速器120具有用于接收来自发动机16的输入扭矩的输入102以及两个输出104和106a。后输出104与后轴14连接，如图1中所示，而前输出106a形成用于链传动机构110的驱动轴。图3示出了一种操作模式，在该操作模式中，换档套筒130连接于前输出106a，即图1中的操作模式。图4示出了一种操作模式，在该操作模式中，换档套筒130从前输出轴106a分离，即图2中的操作模式。
现在参考图7，示出了变速箱形式的车辆动力传动系统100的另一种具体实施方式。通过将电机140(优选地，以48V运转)安装到变速箱中，并且将电机140连接于例如链传动机构110的链轮并由此连接于前输出轴106，能够实现额外的功能，并且通过使用用于混合功能的电机140能够减少损耗。在完全分离的模式下，动力传动系统和电机140将是固定的，致使非常低的损耗。在再生(regeneration)需求中，可以连接前轴爪形离合器13，并且电机140可以用于再生。如果以分离的2WD模式传动，电机140可以用于加速固定的前动力传动106、12，并且通过利用电机140施加扭矩给前轴12可以实现快速的AWD。通过连接前轴爪形离合器13，系统还可以通过利用电机140施加扭矩而用于低速电驱动。
现在参考图8，示出了车辆动力传动系统100的另外一种具体实施方式。车辆动力传动系统100形成变速箱。发动机/传动装置16驱动输入102给变速箱，并且后输出104连接于后轴14。前输出106a通过变速箱100的链传动机构110连接于前轴12。前轴12设置有分离器13。图8与先前的具体实施方式的不同之处在于，变速箱设置有离合器150，代替了先前的具体实施方式中的差速器120。通过将前动力传动106中的电机140安装在具有离合器拓扑的分离系统中，能够实现参考图7的如上所述的优点，还有，电机140可以用于使得前动力传动106与动力传动系统中的剩余部分的速度同步。由于电机140的扭矩控制优于离合器的扭矩控制，因此，可以使连接顺序更快并且在噪声振动与声振粗糙度(NVH)方面具有更低风险。并且，由于电机140可以接管连接顺序中离合器的同步工作，因此，对于离合器致动系统的速度和扭矩精度的需求将更低，从而使得成本更低。如果，例如离合器致动系统具有用以提高速度和精度的双活塞区域和电磁阀，那么这些可以移除。
优选地，电机140布置在前轴差速器12：1和离合器150之间。通过这种配置，不再需要额外的轴以穿过通过离合器150和链传动机构110形成的充油区域。由此，这导致更少数量的径向密封和减少的损耗。通过将电机140布置在这个位置，在更少地影响组件和动力传动设计的情况下，还提供了更大的设计自由。
尽管以上参考附图已经描述了本发明，但是并不能理解为本发明局限于在此公开的具体形式。相反地，本发明仅通过所附的权利要求限定。

Claims (9)

1.一种车辆动力传动系统(100)，包括差速器(120)，该差速器(120)具有输入(102)、连接于前轴(12)的前输出(104)和连接于后轴(14)的后输出(106a)，其中，所述车辆动力传动系统(100)还包括致动器(130)，该致动器(130)配置为控制所述差速器(120)在第一模式和第二模式之间的操作，在所述第一模式，所述前输出(106a)从所述输入(102)分离，在所述第二模式，所述前输出(106a)连接于所述输入(102)。
2.根据权利要求1所述的车辆动力传动系统，其中，所述致动器还配置为控制所述差速器在第三模式的操作，在所述第三模式，所述差速器锁定，并且所述前输出(106a)连接于所述输入(102)。
3.根据上述任意一项权利要求所述的车辆动力传动系统，其中，所述致动器(130)为换档套筒。
4.根据权利要求3所述的车辆动力传动系统，其中，所述换档套筒绕所述后输出(104)同轴地布置。
5.根据上述任意一项权利要求所述的车辆动力传动系统，还包括电机(140)，该电机(140)与所述前输出(106a)传动连接。
6.根据上述任意一项权利要求所述的车辆动力传动系统，其中，所述动力传动系统(100)形成变速箱，并且其中，所述前输出(106a)为用于通过链传动机构(110)驱动所述前轴(12)的轴，并且所述后输出(104)为用于驱动所述后轴(14)的轴。
7.根据上述任意一项权利要求所述的车辆动力传动系统，其中，所述差速器(120)为锥齿轮差速器。
8.根据上述任意一项权利要求所述的车辆动力传动系统，其中，所述差速器(120)为行星齿轮差速器，其中，环形齿轮(120：1)、行星架(120：2，120：3)和太阳轮(120：4)分别形成差速器输入(102)、所述前输出(104)和所述后输出(106a)。
9.一种用于提供全轮驱动的车辆动力传动系统(100)，包括离合器(150)，该离合器(150)具有驱动侧(102，104)和从动侧(106a)，所述驱动侧(102，104)连接于车辆的前轴(12)和后轴(14)中的一者，所述从动侧(106a)连接于所述前轴(12)和后轴(14)中的另一者，因此，在所述离合器(150)的致动下，传动扭矩将传递给所述从动侧(106a)，其中，所述车辆动力传动系统(100)还包括布置在所述离合器(150)的所述从动侧的分离器(13)以及布置在所述离合器(150)和前轴差速器(12：1)之间的电机(140)，该电机(140)与所述离合器(150)的所述从动侧传动连接。
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