CN109863052B - 驱动构造 - Google Patents
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- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
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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
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- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2036—Electric differentials, e.g. for supporting steering vehicles
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- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
- B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
- B62D11/16—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied mechanically
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- 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
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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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0046—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the vehicle body, i.e. moving independently from the wheel axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
- B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
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- 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
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Abstract
一种用于滑移转向车辆的驱动构造,包括:成对的牵引马达(102),用于旋转地驱动驱动构造的相对输出,牵引马达经由相应的传动布置(104)可操作地连接到输出(113),用于选择性地改变在每个牵引马达和相应的输出之间的传动减速;与驱动构造的第一和第二输出扭矩连接的转向差速器(110);以及转向马达(106),其可操作地连接到转向差速器,用于在使用中选择性地改变第一和第二输出的转速;其中牵引和转向马达限定容积,其中传动布置和转向差速器至少部分地定位在该容积中。
Description
政府许可权
本发明是在美国陆军授予的合同No.W56HZV-11-C-C001的政府支持下完成的。政府对本发明享有一定的权利。
技术领域
本发明涉及滑移转向车辆的驱动构造,包括履带式或轮式车辆,例如军用车辆,例如装甲坦克。
背景技术
通过迫使相对的平行履带以不同的速度运行(滑移转向)来使滑移转向履带式车辆转向。类似地,通过迫使车辆一侧的车轮以与车辆另一侧的车轮不同的速度运行来使滑移转向轮式车辆转向。为使履带式车辆转向,两个履带之间需要较大的驱动力差,即内履带上的较大制动力和外履带上的高驱动力。差速齿轮和横轴用于控制履带的相对速度,并将制动功率从内履带传递到外履带以维持旋转。类似的布置用于滑移转向轮式车辆。
基于“双线”系统的电动履带驱动布置使用单独的电马达(推进或牵引马达)来驱动每个履带。如果处理这种系统中的再生转向功率,则需要电气过大马达(electricallyoversized motors)和功率转换器来处理该功率。QinetiQ有限公司开发了一系列传动机构布置(E-X-Drive®),其使用结合电驱动器的与常规传动机构中相同的机械再生装置,其称为“横轴电驱动器”系统。在E-X-Drive®布置中,牵引马达、多速传动减速级和转向差速器沿主轴成直线布置,而转向马达位于与主轴平行延伸的副偏置轴上。
期望调整QinetiQ有限公司提供的E-X-Drive®传动机构,以减少其整体重量和包装尺寸,QinetiQ有限公司位于英国Farnborough的Cody Technology Park,GU14 0LX。
在EP1506905B2(WO02/083483)和WO2014/206597A1中描述了E-X Drive®传动机构的多种变型。这些详细介绍了用于推进和滑移转向履带式车辆的多种驱动构造,其中相对的履带仅由电马达驱动,并且滑移转向由转向马达和可控转向差速器实现,后者联接两个半个马达轴的内端以控制其相对速度。差速器具有与驱动构造(例如驱动链轮)的第一和第二输出的扭矩连接,同时至少一个转向马达与差速器可驱动地连通,用于选择性地改变使用中的第一和第二输出的旋转速度,以便控制转向。当转向马达静止时,两个半轴通过控制差速器简单地连接,使得其以相同的速度运行。当转向马达沿一个方向旋转时,一个半轴比另一个运行得更快,而当转向马达沿另一个方向旋转时,另一个半轴比另一个运行得更快。由此,转向马达的操作导致车辆转弯。(具体地,差速器的相应侧的成对的行星架、或者成对的环形齿轮、或者成对的太阳齿轮中的一个可联接以便共同旋转,例如,一体地形成为一对或者通过横轴连接,而另外两对相应地与驱动装置和转向马达成相应扭矩连接,从而根据任何转向输入控制驱动器输出。)
如图1所示,E-X-Drive®传动机构1的一个特定变型包括:两个牵引马达2;两个多速传动减速级4,其扭矩输出可通过根据期望的传动减速来移动滑块4a来选择;两个转向马达6;和转向差速器10。牵引马达2、多速传动减速级4和转向差速器10沿主轴线成直线布置,而转向马达6位于副偏置轴上,其与主轴平行延伸,使得传动机构需要占据不对称的3D空间。传动机构1的输出各自可操作地连接到双制动盘组件8和最终驱动组件12;特别地,传动机构输出可操作地连接到两个(偏置的)最终驱动器12,用于最终传动减速到履带链轮13。已阅读上述文件的本领域技术人员将熟悉图1中所使用的图示的样式,并且基于以上对部件的描述和对图1的评论,将理解所示的传动机构1如何在使用中运作。
特别期望减小E-X-Drive®传动机构的封装尺寸,并且构思本发明的各方面以解决这个问题。
发明内容
根据本发明,提供一种驱动构造,包括:
成对的牵引马达,用于旋转地驱动驱动构造的相对的第一和第二输出,该牵引马达通过相应的传动布置可操作地连接到输出,用于选择性地改变每个牵引马达和相应输出之间的传动减速;
与驱动构造的第一和第二输出扭矩连接的转向差速器;和
转向马达,其可操作地连接到转向差速器,用于在使用中选择性地改变第一和第二输出的转速;
其中牵引和转向马达限定容积,其中传动布置和转向差速器至少部分地定位在该容积中。
由于各种原因通常避免使用大直径马达,原因包括重且难以制造。然而,申请人认识到,如果牵引马达的尺寸足够大并且与类似尺寸的转向马达一起使用,则这些可共同限定公共容积,其中可至少部分地容纳传动布置和转向差速器,从而允许设计更紧凑的传动机构。
这种驱动构造旨在用于车辆,特别是滑移转向车辆,并且包括成对的牵引驱动马达,用于旋转地驱动相对的驱动器输出。牵引马达通过相应的传动布置可操作地连接到(传动机构)输出,用于选择性地改变每个牵引马达和相应输出之间的传动减速。
转向差速器与驱动构造的第一和第二输出扭矩连接,并且至少一个转向马达可操作地连接到转向差速器,用于在使用中选择性地改变第一和第二输出的转速。通常,将只有一个转向马达,其优选为双绕组的,但其可另外设计成容错的。
牵引和转向马达限定容积,相应的传动布置和转向差速器至少部分地定位在其中,并且优选为完全定位在其中。该容积可为单个容积,优选为单个圆柱形空间,围绕中心轴线设置(例如与输出对准)。特别地,牵引马达和转向马达(或多个转向马达)的并排布置以及其相应的转子腔可用于形成共同的腔或空间。马达可并排连接或安装(例如,在框架上),以便形成共同的(一体的)结构(例如,单个圆柱形)。
优选地,牵引马达和转向马达以及设置在马达内的所有传动装置(例如,与由差速器的半(马达)轴限定的输出和/或轴)同轴对准。理想地,所有牵引和转向马达、所有在马达内(径向)设置的传动装置和所有制动器在单个圆柱形空间内同轴对准。牵引马达可布置在转向马达的任一侧上,其优选地具有相同或相似的尺寸(例如转子和/或定子直径),并且优选地具有与该对(例如相同的)牵引马达相同或相似的设计;尽管转向马达可具有不同的轴向长度(例如,较短的长度)。
(传动机构)输出可以可操作的方式连接到制动组件,并且可选地,连接到传动机构的每侧上的最终驱动组件(即,最终传动减速)。最终驱动组件可包括成直线的或偏置的最终驱动组件,其为相应的驱动构件(例如链轮)提供最终传动减速,用于与滑移转向车辆的履带或车轮接合。然而,如果牵引马达构造成足够慢地运行以至于不需要最终传动减速,则驱动构造不需要包括最终驱动组件。
在一个实施例中,成对的牵引马达和转向马达同轴对准。相应的传动布置也可与牵引和转向马达同轴对准,转向差速器也可与其同轴对准,并且优选地所有这些都这样对准。这种布置与上面提到的早期的交叉驱动传动机构成严格对比,其中认为早期的传动机构中转向马达不能容纳在公共轴上。
在一个实施例中,每个传动布置至少部分地,并且优选完全地位于其相应牵引马达的转子腔内。同样,在一个实施例中,转向差速器优选至少部分地或完全地位于转向马达的转子腔内。
在一个实施例中,(例如单个)转向马达位于成对的牵引马达之间,并且在容积内,转向差速器定位在相应的传动布置之间。
在一个实施例中,成对的牵引马达和转向马达的尺寸设计为相似(例如,具有相同或相似的内转子和定子直径)的。
在一个实施例中,驱动构造还可包括与牵引和转向马达同轴对准的成对的制动组件。该对制动组件的尺寸可设计成具有足够小的直径,以至少部分地,优选完全地位于容积内。在此情况下,每个制动组件将通常包括至少两个制动盘。备选地,该对制动组件可位于马达的轴向外侧和由马达限定的容积的轴向外侧。在这种情况下,每个制动组件可包括至少一个制动盘,该制动盘具有的直径大于可容纳在由马达限定的容积内的直径,在可能的情况下优选单个盘。
还提供了一种车辆,例如履带式或轮式车辆,包括上述驱动构造。
还提供了一种制造车辆的方法,其中将上述驱动构造结合(例如,改造)到现有设计的车辆中。
附图说明
现在将参考附图通过非限制性示例描述本发明的实施例,其中:
图1为先前的E-X-Drive®传动机构布置的示意图;
图2为根据本发明的一个方面的具有偏置最终驱动器的E-X-Drive®传动机构布置的示意图;且,
图3为图2中的E-X-Drive®传动机构的示意图,其具有成直线的最终驱动器;且,
图4为另外的E-X-Drive®传动机构的示意图,其中制动组件径向地定位在由马达限定的容积内。
具体实施方式
再看到图1,转向马达6并联连接并始终一起操作。两个转向马达6的原因是为了冗余。来自两个转向马达6的所需功率的总和大约等于一个牵引马达2的所需功率。因此,可能创造与牵引马达大小相似的单个转向马达,其会具有相同功率输出,且传动会构造成提供所需的速度和扭矩。如果单个转向马达是双绕组(或容错)的,那么可在单个转向马达中设计(与两个转向马达中)相同的冗余。
牵引马达2可形成为足够大,以将传动装置放入马达转子内。此外,如果将马达设计改变为具有较短堆叠长度并且以较慢速度运行的较大直径,则有可能将所需的传动减速级装配在马达自身的转子内。
有利地,将传动装置装配在马达转子内将提供更多的轴向空间。较大直径的马达将以较慢的速度运行并且会具有较短的轴向长度(对于相同的扭矩和功率输出),这会进一步释放轴向空间。
在一些实施例中,具有相同直径和相似(或相同)长度的三个马达(即,两个牵引马达和一个双绕组转向马达)可布置成一排,其中传动装置和横轴在马达转子内部延伸。图2示出了以这种方式构造的E-X-Drive®传动机构100的变型,其中与图1中相似的部件用类似的附图标记增加100来表示。两个牵引马达102、两个多速传动减速级104(其扭矩输出可通过根据所需的传动减速输出移动滑块来选择)、转向差速器110和转向马达106(例如双绕组或容错转向马达)沿同一轴线成直线布置。传动机构输出各自可操作地连接到单个制动盘组件108(稍后更详细地提到)以及连接到偏置的最终驱动器112,用于最终传动减速到履带链轮113。如图所示,传动减速级104至少部分地装配在牵引马达102的转子102a内,并且转向差速器110至少部分地装配在转向马达106的转子106a内。
已经阅读了背景技术部分中承认的文档的本领域技术人员将熟悉图2中使用的图示的样式,且因此将能够理解所示的传动机构100如何基于以上对部件的描述和对图2的评论来起运作。
具体参考附图中所示的制动盘,图1所示的传动机构中使用的制动器设计8在每侧使用两个制动盘。在涉及QinetiQ有限公司提供的用于地面作战车辆(GCV)的E-X-Drive®传动机构的工作期间,发现垫/盘摩擦速度比垫/盘接口的允许速度低约20%。而且,可允许垫/盘接口处的制动器的温度和制动器的整体温度变得更高。基于单个较大/较厚盘(在每侧上)的新制动器设计108将简化制动器设计,其中摩擦速度更接近允许的值并且在更接近允许的值的温度下操作。单个较厚的盘具有较小的翘曲倾向,并且在一些实施例中,垫组件可适于减轻盘沿轴滑动的需要(以调节磨损)。
应当理解,尽管到目前为止已经描述了本发明的各种方面,但是本发明的范围不限于前述公开内容,而是扩展到包含落入所附权利要求的精神和范围内的所有布置、及其修改和变更。
在一些实施例中,传动机构输出每个都可操作地连接到成直线的最终驱动器,用于最终传动减速到履带链轮,即在与其他部件相同的轴上。图3示出了以这种方式构造的E-X-Drive®传动机构200的这种变型,其中与图2相似的部件用类似的附图标记增加100来表示(例如,成直线履带链轮213)。
如果牵引马达构造成足够缓慢地运行(相应地增加输出扭矩),则可以省略传动机构的输出级。此外,根据牵引马达的最高设计速度,最终比率可用于通过使用复合行星齿轮用于成直线的最终驱动器(如图3所示)或简单的行星加偏置正齿轮组(如图2所示)来结合更高的传动比(比利用简单的外延环形可获得的更高)。
传动机构100, 200的输出可连接到所需的任何部件,以实现其所装配的车辆的预期操作。例如,传动机构100, 200的输出不一定可操作地连接到单个盘式制动组件,而是可在类似图1中的一些实施例中联接到多盘制动组件。此外,最终驱动布置的具体构造112,212不是本发明的必要部件,并且如果这样的最终驱动组件存在于车辆中,则可以根据预期目的构造。
作为示例,图4是另外的E-X-Drive®传动机构300的示意图,其中制动组件308示出为径向地定位在由马达限定的容积内。制动组件308的直径尺寸设计为足够小以装配在容积内并且是双制动组件。为清楚起见,省略了转向差速器、相应的传动机构和最终驱动组件。
Claims (14)
1.一种驱动构造,包括:
成对的牵引马达,用于以旋转的方式驱动所述驱动构造的相对的第一输出和第二输出,所述牵引马达通过相应的传动布置以可操作的方式连接到所述输出,用于以选择性的方式改变每个所述牵引马达和相应所述输出之间的传动减速;
转向差速器,其与所述驱动构造的第一输出和第二输出成扭矩连接;和
转向马达,其以可操作的方式连接到所述转向差速器,用于在使用中以选择性的方式改变所述第一输出和第二输出的转速;
其中所述牵引和转向马达限定容积,其中所述相应的传动布置和转向差速器至少部分地定位在该容积中。
2.根据权利要求1所述的驱动构造,其特征在于,所述成对的牵引马达和所述转向马达同轴对准。
3.根据权利要求2所述的驱动构造,其特征在于,所述相应的传动布置和/或转向差速器与所述牵引和转向马达同轴对准。
4.根据权利要求2所述的驱动构造,其特征在于,每个相应的传动布置至少部分地位于其相应牵引马达的转子腔内。
5.根据权利要求2所述的驱动构造,其特征在于,所述转向差速器至少部分地位于所述转向马达的转子腔内。
6.根据权利要求2所述的驱动构造,其特征在于,所述转向马达定位在所述成对的牵引马达之间,并且所述转向差速器定位在所述容积内的相应的传动布置之间。
7.根据权利要求2所述的驱动构造,其特征在于,所述成对的牵引马达和所述转向马达的尺寸设计成相似的。
8.根据权利要求2所述的驱动构造,其特征在于,所述驱动构造还包括与所述牵引和转向马达同轴对准的成对的制动组件。
9.根据权利要求8所述的驱动构造,其特征在于,所述成对的制动组件的尺寸设计成至少部分地位于所述容积内。
10.根据权利要求9所述的驱动构造,其特征在于,每个制动组件包括至少两个制动盘。
11.根据权利要求8所述的驱动构造,其特征在于,所述成对的制动组件位于由所述马达限定的容积的轴向外侧。
12.根据权利要求11所述的驱动构造,其特征在于,每个制动组件包括至少一个制动盘,所述至少一个制动盘的直径太大而不能装配在由所述马达限定的容积内。
13.一种车辆,包括根据权利要求1所述的驱动构造。
14.一种制造车辆的方法,其中根据权利要求1所述的驱动构造结合到现有设计的车辆中。
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