CN110177706A - 用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输入元件可控制地分配到至少一个输出元件上的传动装置 - Google Patents

用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输入元件可控制地分配到至少一个输出元件上的传动装置 Download PDF

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Publication number
CN110177706A
CN110177706A CN201780083018.4A CN201780083018A CN110177706A CN 110177706 A CN110177706 A CN 110177706A CN 201780083018 A CN201780083018 A CN 201780083018A CN 110177706 A CN110177706 A CN 110177706A
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CN
China
Prior art keywords
transmission
subregion
switching
switching position
transmission device
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Pending
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CN201780083018.4A
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English (en)
Inventor
格哈德·霍弗
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Ltd Of Magna Dynamical System LP
Magna Powertrain GmbH and Co KG
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Ltd Of Magna Dynamical System LP
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Publication of CN110177706A publication Critical patent/CN110177706A/zh
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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
    • 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
    • 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
    • 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
    • B60K17/354—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having separate mechanical assemblies for transmitting drive to the front or to the rear wheels or set of 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
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • 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
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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
    • 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
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • 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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    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

一种传动装置(1)，用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输入元件(2，2’)可控制地分配到至少一个输出元件(3，3’，3”)上，所述传动装置包括：附加驱动单元(4，4’)；第一传动子区域(5，5’)，其中第一传动子区域(5，5’)直接或间接地与所述附加驱动单元(4，4’)有效驱动地连接；第二传动子区域(6，6’)，其中所述第一传动子区域(5，5’)间接地经由第二传动子区域(6，6’)与输出元件(3，3’，3”)连接；和切换元件(7，7’)，其中所述切换元件(7，7’)可运动到三个切换位置中，即第一切换位置、第二切换位置和第三切换位置，在所述第一切换位置中第一传动子区域(5，5’)与所述输入元件(2，2’)有效驱动地连接，在所述第二切换位置中所述第一传动子区域(5，5’)与所述第二传动子区域(6，6’)有效驱动地连接，在所述第三切换位置中第一传动子区域(5，5’)既不与所述输入元件(2，2’)也不与所述第二传动子区域(6，6’)有效驱动地连接。

Description

用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输 入元件可控制地分配到至少一个输出元件上的传动装置
技术领域
本发明涉及一种用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输入元件可控制地分配到至少一个输出元件上的传动装置，其包括：附加驱动单元；第一传动子区域，其中第一传动子区域直接或间接地与所述附加驱动单元有效驱动地连接；第二传动子区域，其中所述第一传动子区域间接地经由第二传动子区域与输出元件连接；和切换元件，其中所述切换元件可运动到三个切换位置中。
背景技术
此外，全轮驱动机动车由于增高的燃料消耗和关于废气法规提高的要求是持续研发的对象。在上下文中，尤其机动车或机动车动力传动系的至少部分电气化是最重要的——机动车或机动车驱动器的至少部分的混合动力化在在降低的燃料消耗、足够的行程长度和良好的性能之间制造平衡。
例如，在具有前横置的主驱动单元、即内燃机的全轮驱动机动车的情况下，需要全轮驱动系统，所述全轮驱动系统实现了可变的全轮驱动功能。主车桥、即被持久驱动的车桥在此是前桥，而副车桥、即被非持久驱动的车桥在此是后桥。后桥在考虑到对可变的全轮驱动功能的要求的情况下根据需求能够完全可变地接入，并且这种可能性实现了整体可用的扭矩可变地经由副车桥、即后桥输出。同时，必要时，能够实现例如制动力回收(再生)的功能。这例如除了具有持久的前桥驱动器的横向安装的前置主驱动单元之外实现电的后桥。
发明内容
本发明的目的是说明一种传动装置，所述传动装置尤其在成本和结构空间方面允许全轮驱动机动车的有效运行。
该目的通过一种用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输入元件可控制地分配到至少一个输出元件上的传动装置实现，所述传动装置包括：附加驱动单元；第一传动子区域，其中第一传动子区域直接或间接地与所述附加驱动单元有效驱动地连接；第二传动子区域，其中所述第一传动子区域间接地经由第二传动子区域与输出元件连接；和切换元件，其中所述切换元件可运动到三个切换位置中，即第一切换位置、第二切换位置和第三切换位置，在所述第一切换位置中第一传动子区域与所述输入元件有效驱动地连接，在所述第二切换位置中所述第一传动子区域与所述第二传动子区域有效驱动地连接，在所述第三切换位置中所述第一传动子区域既不与所述输入元件也不与所述第二传动子区域有效驱动地连接。
根据本发明的传动装置用于将驱动力矩从输入元件可控制地分配到至少一个输出元件上。
根据本发明，传动装置具有附加驱动单元、第一传动子区域、第二传动子区域以及切换元件。
根据本发明，第一传动子区域直接或间接地与附加驱动单元有效驱动地连接。此外，根据本发明，第一传动子区域间接地经由第二传动子区域与输出元件连接。
附加驱动单元例如能够构成为电机。
依据本发明，切换元件可运动到三个切换位置中，即第一切换位置、第二切换位置和第三切换位置。
根据本发明，第一传动子区域在所述切换元件的第一切换位置中与所述输入元件有效驱动地连接，在所述第二切换位置中与所述第二传动子区域有效驱动地连接。在所述切换元件的第二切换位置中，由此，附加驱动单元经由第一传动子区域和第二传动子区域的有效连接与输出元件有效驱动地连接。在所述切换元件的第三切换位置中，依据本发明，所述第一传动子区域既不与所述输入元件也不与所述第二传动子区域有效驱动地连接。
根据本发明的传动装置的构造实现全轮驱动机动车的特别有效的运行。尤其地，不同运行模式例如全轮驱动、再生和/或“断开”的实现能够在最小的成本耗费以及结构空间耗费下实现。
本发明的改进方案在从属权利要求、说明书以及附图中说明。
第一传动子区域优选构成为行星齿轮传动机构，包括齿圈、太阳轮和至少一个行星轮，所述行星轮设置在行星轮架上。
此外，第二传动子区域优选构成为具有差速壳的差速器，其中所述差速壳形成第一传动子区域的行星轮架。
优选地，在切换元件的第一切换位置中，输入元件与所述行星齿轮传动机构的齿圈有效驱动地连接。
这样，以简单的方式方法示出全轮驱动运行模式，所述全轮驱动运行模式实现完全可变地控制在输出元件处输出的扭矩，所述扭矩在此经由在附加驱动单元侧可用的支撑力矩控制。
在切换元件的第二切换位置中，差速器的差速壳优选与行星齿轮传动机构的齿圈有效驱动地连接。
这样，制动能量可有效地引导到附加驱动单元中，进而生成优化的再生电势。
传动装置优选设置在全轮驱动机动车的副车桥上，其中所述副车桥是输出元件。
附图说明
本发明在下文中例如参考附图来描述。
图1示出示例性的全轮机动车的基本构造，其具有根据本发明的传动装置。
图2示出传动装置的部分的示意图。
图3示出图2的具有在第一切换位置中的切换元件的细节视图。
图4示出图2的具有在第二切换位置中的切换元件的细节视图。
图5示出图2的具有在第三切换位置中的切换元件的细节视图。
具体实施方式
图1示出示例性的全轮驱动机动车结构的示意视图，其具有根据本发明的传动装置1。机动车驱动设备经由两个车桥即前桥13和后桥14实现，其中前桥13构成为被持久驱动的车桥，即构成为主车桥，而后桥14构成为按需驱动的车桥，即构成为副车桥。在当前实施例中，横向于行驶方向在前桥13的区域中设置有主驱动单元15。但在本文中同样可考虑主驱动单元15纵向于行驶方向的布置方式。在后桥14的区域中设置有根据本发明的传动装置1。主驱动单元15构成为内燃机15’，并且经由主变速器16和传递扭矩的元件17即万向轴17’直接或间接地与后车桥14处的传动装置1连接。
根据本发明的传动装置1在下文中参考在图1中示出的全轮驱动机动车结构详细描述。但同样可考虑具有根据本发明的传动装置1的不同构成的全轮驱动机动车结构。
图2示出根据本发明的传动装置1的部分的示意图。
传动装置1具有附加驱动单元4、第一传动子区域5、第二传动子区域6以及切换元件7。
传动装置1的附加驱动单元4构成为电机4’，并且能够或者与后车桥14平行偏移地设置，或者同轴地设置在后车桥14处。
第一传动子区域5构成为行星齿轮传动机构5’，并且一方面用于功率相加，且另一方面用于在切换的全轮驱动模式中在前桥13和后桥14之间进行可变的扭矩分配。在图2中示意性示出的示例性的行星齿轮传动机构5’包括：可转动地支承的齿圈8，所述齿圈具有外齿部和内齿部；行星轮架11，其具有两个可转动地支承在其上的行星轮10(在图2中仅可看到一个)；和太阳轮9。然而也可考虑使用替选的实施方式的行星齿轮传动机构5’。
第二传动子区域6构成为差速器6’，也称为差速传动器，并且第二传动子区域用于基本在机动车的两个后轮18、18’之间补偿转速，并且用于在机动车的后桥14的两个后轮18、18’之间分配驱动扭矩。在图2中示出的差速器6’具有差速壳12、两个在销上可转动地支承的差速锥齿轮19(在图2中仅可见一个)和两个车桥锥齿轮20、20’。差速锥齿轮19彼此没有处于有效驱动的连接，而是其分别与车桥锥齿轮20、20’处于有效驱动的连接。车桥锥齿轮20、20’分别与后桥14的半轴3’、3”固定连接。
第一传动子区域5间接地，即经由圆柱齿轮级21与附加驱动单元4有效驱动地连接，并且另一方面间接地，即经由第二传动子区域6与后桥14的两个半轴3’、3”有效驱动地连接。附加驱动单元4经由圆柱齿轮级21与行星齿轮传动机构5’的太阳轮9有效驱动地连接。
此外第一传动子区域5可经由切换元件7与输入元件2、第二传动子区域6有效驱动地连接，或既不与输入元件也不与第二传动子区域连接。
切换元件7构成为切换套筒7’，并且可经由致动单元(未示出)运动到第一切换位置、第二切换位置以及第三切换位置中。切换套筒7’的致动在此例如能够电地、机电地、电液地、液压地或气动地实现。
第一传动子区域5总共具有三个接口——两个扭矩输入端，即可选地经由输入元件2以及经由附加驱动单元4输入，和一个扭矩输出端，即经由第二传动子区域6和两个输出元件3。在当前情况下，后桥14的两个半轴3、3’是输出元件3。
差速器6’经由差速壳12与行星齿轮传动机构5’有效驱动地连接，其中差速壳12构成行星齿轮传动机构5’的行星轮架11。
经由传动装置1，全轮驱动机动车能够根据图1中示出的结构以三个不同的运行模式运行：
-全轮驱动模式
-再生模式，和
-“断开”模式。
经由切换套筒7’，这三个运行模式能够切换。如果切换套筒7’位于第一切换位置中，则激活全轮驱动模式，如果切换套筒7’位于第二切换位置中，则激活再生模式，如果切换套筒7’处于第三切换位置中，则激活“断开”模式。
图3示出图2中的具有第一切换位置中的切换套筒7’的细节视图。
在全轮驱动模式中，行星齿轮传动机构5’被用作为功率相加传动机构，所述行星齿轮传动机构使用差速器6’的差速壳12作为行星轮架11。行星齿轮传动机构5’的太阳轮9经由圆柱齿轮级21与电机4’有效驱动地连接。齿圈8经由切换套筒7’在第一切换位置中与输入元件2，在当前情况下即冠状齿轮2’，有效驱动地连接。冠状齿轮2’又与万向轴17’有效驱动地连接。电机4’此外控制所提供的扭矩，即总扭矩，所述扭矩被输出到后桥14处。在电极4’未脱接或者说未脱离的情况下，驱动扭矩没有从内燃机15’传递到后桥14的两个半轴3’、3”上——也就是说在没有切换的全轮驱动模式的情况下，没有扭矩输出到后桥14上。
驱动扭矩从内燃机15’传递到后桥14上，进而实现全轮驱动模式仅在如下情况下实现：一方面切换套筒7’位于第一切换位置，而另一方面电机4’接入或者说接通，也就是说当经由行星驱动机构5’的太阳轮9提供必要的支撑力矩时，其中所述太阳轮与电机4’经由圆柱齿轮级21有效驱动地连接。电机4’在太阳轮9上提供扭矩，所述扭矩用作为支撑力矩。该支撑力矩控制后桥14的总扭矩，所述总扭矩由此直接与支撑力矩成比例，所述支撑力矩由电机4’提供。扭矩的由电机4’所提供的份额取决于行星齿轮传动机构5’的固定传动比。
电机4’在全轮驱动模式中由此通过提供的扭矩控制总扭矩，所述总扭矩输出到后桥14上。在前桥13和后桥14之间的扭矩分配能够对于所有行驶状况完全可变地提供。
图4示出图2中的具有在第二切换位置中的切换套筒7’的细节视图。
为了将最大的再生势能，即制动能量回收势能充分利用，必要的是切换到如下运行模式中，在所述运行模式中将总制动能量引导到电机4’中。
在再生模式中，行星齿轮传动机构5’的齿圈8相对于差速器6’的差速壳12止动，并且相应于此地相对于行星齿轮传动机构5’的行星轮架11止动。差速壳12与冠状齿轮2’分开。以这种方式，后桥14与前桥13，进而与内燃机15’脱耦。
图5示出图2中的具有在第三切换位置中的切换套筒7’的细节视图。
在不需要全轮驱动模式的工作点中，例如在机动车恒定行驶期间或机动车滑行期间，至少动力传动系的后桥14关停。在此，万向轴17’以及电机4’也不应转动。
在“断开”模式中，差速器6’的差速壳12与冠状齿轮2’分开。由此万向轴17’和冠状齿轮2’能够在差速壳12可转动期间静止，所述差速壳12与后轮18、18’有效驱动地连接。电机4脱接或者说脱离，并且在差速壳12和电机4’之间的转速差由齿圈8和行星轮10平衡。
附图标记列表
1 传动装置
2 输入元件
2’ 冠状齿轮
3 输出元件
3’，3” (后桥的)半轴
4 附加驱动单元
4’ 电机
5 第一传动子区域
5’ 行星齿轮传动机构
6 第二传动子区域
6’ 差速器
7 切换元件
7’ 切换套筒
8 齿圈
9 太阳轮
10 行星轮
11 行星轮架
12 差速壳
13 前桥
14 后桥
15 主驱动单元
15’ 内燃机
16 主变速器
17 扭矩传递元件
17’ 万向轴
18，18’ 后轮
19 差速锥齿轮
20，20’ 车桥锥齿轮
21 圆柱齿轮级

Claims (6)

1.一种传动装置(1)，用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输入元件(2，2’)可控制地分配到至少一个输出元件(3，3’，3”)上，所述传动装置包括：
-附加驱动单元(4，4’)；
-第一传动子区域(5，5’)，其中所述第一传动子区域(5，5’)直接或间接地与所述附加驱动单元(4，4’)有效驱动地连接；
-第二传动子区域(6，6’)，其中所述第一传动子区域(5，5’)间接地经由第二传动子区域(6，6’)与所述输出元件(3，3’，3”)连接；和
-切换元件(7，7’)，其中所述切换元件(7，7’)能运动到三个切换位置中，即第一切换位置、第二切换位置和第三切换位置，在所述第一切换位置中所述第一传动子区域(5，5’)与所述输入元件(2，2’)有效驱动地连接，在所述第二切换位置中所述第一传动子区域(5，5’)与所述第二传动子区域(6，6’)有效驱动地连接，在所述第三切换位置中第一传动子区域(5，5’)既不与所述输入元件(2，2’)也不与所述第二传动子区域(6，6’)有效驱动地连接。
2.根据权利要求1所述的传动装置(1)，
其特征在于，所述第一传动子区域(5，5’)构成为行星齿轮传动机构(5’)，所述行星齿轮传动机构包括齿圈(8)、太阳轮(9)和至少一个行星轮(10)，所述行星轮设置在行星轮架(11)上。
3.根据权利要求2所述的传动装置(1)，
其特征在于，所述第二传动子区域(6，6’)构成为具有差速壳(12)的差速器(6’)，其中所述差速壳(12)构成所述第一传动子区域(5，5’)的行星轮架(11)。
4.根据权利要求2或3所述的传动装置(1)，
其特征在于，在所述切换元件(7，7’)的第一切换位置中，所述输入元件(2，2’)与所述行星齿轮传动机构(5’)的齿圈(8)有效驱动地连接。
5.根据权利要求3或4所述的传动装置(1)，
其特征在于，在所述切换元件(2，2’)的第二切换位置中，所述差速器(6’)的差速壳(12)与所述行星齿轮传动机构(5’)的齿圈(8)有效驱动地连接。
6.根据上述权利要求中任一项所述的传动装置(1)，
其特征在于，所述传动装置(1)设置在全轮驱动机动车的副车桥(14)上，其中所述副车桥(14)是输出元件(3，3’，3”)。
CN201780083018.4A 2017-01-18 2017-12-11 用于在全轮驱动机动车的全轮动力传动系中将驱动力矩从输入元件可控制地分配到至少一个输出元件上的传动装置 Pending CN110177706A (zh)

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DE102017200724.9 2017-01-18
PCT/EP2017/082269 WO2018133998A1 (de) 2017-01-18 2017-12-11 Getriebeanordnung zur steuerbaren verteilung eines antriebsmoments von einem eingangselement auf zumindest ein ausgangselement in einem allradantriebsstrang eines allradkraftfahrzeugs

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