CN104228544A - 一种混合动力车辆的双轴驱动桥 - Google Patents

一种混合动力车辆的双轴驱动桥 Download PDF

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CN104228544A
CN104228544A CN201410244596.XA CN201410244596A CN104228544A CN 104228544 A CN104228544 A CN 104228544A CN 201410244596 A CN201410244596 A CN 201410244596A CN 104228544 A CN104228544 A CN 104228544A
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CN104228544B (zh
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大卫·A·詹森
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Ford Global Technologies LLC
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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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • 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
    • B60K6/40—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
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/58—Engine torque vibration dampers, e.g. flywheels, dual-mass-springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/01—Minimizing space with more compact designs or arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hybrid Electric Vehicles (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Retarders (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

车辆驱动桥包括输入轴、包括连接到输入轴的部件的分流齿轮组、连接到电动发电机和第一输出轴的第二部件、包括连接到牵引电动机的第三部件的牵引齿轮组、第四非转动部件和第二输出轴、连接到第一和第二输出轴的链传动，以及由链传动驱动用于向车辆车轮输送动力的差速器。

Description

一种混合动力车辆的双轴驱动桥
技术领域
本发明总体上涉及一种使用链传动在多个动力源之间使动力传输到车辆车轮的驱动桥。
背景技术
在混合动力车辆中，牵引电动机、发电机、行星齿轮和发动机都最好位于车辆的驱动桥的共同轴上，驱动桥必须安装在车辆的车架纵梁之间。另外，驱动桥的轴向尺寸必须最小。当驱动桥的组件位于三个轴上时，就需要副轴齿轮在与车辆从动轮同轴的差动器和发动机轴之间传输动力。然而，该副轴齿轮趋向于延长驱动桥的轴向尺寸。
位于发动机和发电机之间的传统扭振减震器增加了轴向尺寸。
使用两个轴向间隔的轴承在箱体壁上支承发电机以及使用两个额外的轴向间隔的轴承在箱体上支承牵引发动机进一步地增加了轴向尺寸。
发明内容
车辆驱动桥包括：输入轴、包括连接到该输入轴的部件的分流齿轮组(splitter gearset)、连接到电动发电机和第一输出轴的第二部件、包括连接到牵引电动机的第三部件的牵引齿轮组、第四非转动部件和第二输出轴、连接到第一和第二输出轴的链传动，以及由用于向车辆车轮传输动力的由链传动驱动的差动器。
牵引电动机、发电机和行星齿轮在输入轴上由滚针轴承支承，该滚针轴承在驱动桥箱体上由滚珠轴承支承。链传动的滑轮在输入轴上也由滚珠轴承支承。
扭杆减震器安装在输入轴内，并沿着驱动桥的主轴轴向延伸，从而节省轴向空间。
每个行星齿轮组的托架是其输出轴，环形齿轮是其反应组件(reactioncomponent)，从而允许每个齿轮组以最佳效率起作用。
在下面的详细的说明书、权利要求和附图中，优选实施例的适用范围将变得显而易见。应当理解的是，说明书和具体示例虽然表明本发明的优选实施例，但仅作为说明的目的给出。对说明的实施例和示例的各种改变和修改对于本领域的技术人员来说将是显而易见的。
附图说明
参照以下说明及附图，将更易于理解本发明，附图中：
图1为表示混合动力车辆的驱动桥的原理图；以及
图2为表示图1的驱动桥的变体的原理图。
具体实施方式
图1所示的驱动桥10包括：带有轴向螺柱(axial stud)13的挠性板12，其中挠性板12通过轴向螺柱13连接到发动机上；连接到挠性板的轴14；牵引电动机16；牵引行星齿轮组18；电动发电机20；分流行星齿轮组22；固定到输入轴26的摆式扭振减震器24；最终传动行星齿轮组28；链传动30；以及差速器32，其通过半轴33、34向车辆车轮31传输动力。驱动桥10包含在非转动箱体36内。
牵引电动机16的转子38通过轴40连接到牵引行星齿轮组18的太阳齿轮42上，牵引行星齿轮组18进一步包括：环形齿轮44，其被保持在箱体36的反应臂45上不转动；通过轴承48支承在输入轴26上的托架46；以及支承在托架46上且与环形齿轮44及太阳齿轮42啮合的小齿轮50。牵引驱动行星齿轮组18产生相对于牵引电动机16的转子38的速度的托架46的速度降低。牵引电动机16的定子51支承在箱体36上。
电动发电机20的转子52通过轴54连接到分流行星齿轮组22的太阳齿轮56上，分流行星齿轮组22进一步包括：环形齿轮58；固定到输入轴26上的托架60；以及支承在托架60上且与环形齿轮58和太阳齿轮56啮合的小齿轮62。电动发电机20的定子64支承在箱体36上。
输入轴26可驱动地连接到从挠性板12沿着输入轴26轴向延伸的轴14上。轴14在靠近液压泵68的轴向端连接到输入轴26上。
两个轴向间隔的滚针轴承67在输入轴26上支承转子38及轴40。类似地，两个轴向间隔的滚针轴承69在输入轴26上支承转子52及轴54。轴14支承在输入轴26的相反轴向端。
支承在托座72上的轴承70支承输入轴26的左端，其中托座72固定在箱体36的后壁上。类似地，支承在托座75上的轴承74支承输入轴26的右端，其中托座75固定在箱体36的前壁上。
支承在托座75上的发电机制动器76有选择地保持电动发电机20的转子52不转动。
链传动30包括：固定到环形齿轮58的滑轮80；连接到最终传动行星齿轮组28的滑轮82，以及与滑轮80、82接合的传动链84。
最终传动行星齿轮组28包括：连接到滑轮82的太阳齿轮86；固定到箱体36的环形齿轮88；固定到差速器32的环形齿轮输入轴的托架90；以及支承在托架90上且与环形齿轮88和太阳齿轮86啮合的行星小齿轮92。最终传动行星齿轮组28降低产生相对于托架90的速度的差速器32的输入轴的速度降低。
驱动桥10的组件设置在主轴93和轮轴94周围。支承在箱体36的壁上的轴承96支承滑轮82和太阳齿轮86在轴94周围转动。
图2所示的驱动桥100包括：支承在连接到发动机曲轴的轴14上的挠性板12；牵引电动机16；牵引驱动行星齿轮组18；电动发电机20；分流行星齿轮组22；最终传动行星齿轮组28；链传动30；以及通过半轴33、34向车辆车轮31传输动力的差速器32。驱动桥10包含在非转动箱体36内。
输入轴26可驱动地连接到从挠性板12沿着输入轴26轴向延伸的轴14上。在与挠性板12相对的轴向端，轴14连接到输入轴26上。
在驱动桥100内，轴承45在反应臂45上支承齿轮组18的托架46，反应臂45固定到箱体36上并从其径向延伸，而不是固定到支承在轴26上的轴承45。
驱动桥100不包括摆式减震器24、液压泵68和发电机制动器76。
根据专利法规的规定，已经对优选实施例进行了说明。然而，应当注意的是除了具体说明和描述之外，可以实施替换的实施例。

Claims (8)

1.一种车辆驱动桥，其特征在于，包含：
支承在箱体上的输入轴；
支承在输入轴上的牵引电动机、牵引齿轮组、发电机、分流齿轮组，以及链传动的滑轮；
连接到链传动的差速器，向车辆车轮传输动力。
2.如权利要求1所述的车辆驱动桥，其特征在于，输入轴是沿着第一轴延伸的套筒轴，并且该驱动桥进一步包含：
挠性板；
与输入轴同轴的轴，该轴沿着输入轴延伸，固定到输入轴并在其上支承挠性板。
3.如权利要求1所述的车辆驱动桥，其特征在于，进一步包含：
第一滚针轴承，在输入轴上支承发电机和分流齿轮组；以及
第二滚针轴承，在输入轴上支承牵引电动机和牵引齿轮组。
4.如权利要求1所述的车辆驱动桥，其特征在于，
分流齿轮组包括连接到输入轴的托架、连接到发电机的太阳齿轮、连接到滑轮的环形齿轮，以及支承在托架上并与环形齿轮和太阳齿轮相啮合的小齿轮。
5.如权利要求1所述的车辆驱动桥，其特征在于，牵引齿轮组包括连接到牵引电动机的第二太阳齿轮、保持不转动的第二环形齿轮、连接到滑轮的第二托架，以及支承在第二托架上并与第二环形齿轮和第二太阳齿轮相啮合的第二小齿轮。
6.如权利要求1所述的车辆驱动桥，其特征在于，
分流齿轮组包括连接到输入轴的托架、连接到发电机的太阳齿轮、连接到滑轮的环形齿轮，以及支承在托架上并与环形齿轮和太阳齿轮相啮合的小齿轮；以及
牵引齿轮组包括连接到牵引电动机的第二太阳齿轮、保持不转动的第二环形齿轮、连接到滑轮和环形齿轮的第二托架，以及支承在第二托架上并与第二环形齿轮和第二太阳齿轮相啮合的第二小齿轮。
7.如权利要求1所述的车辆驱动桥，其特征在于，进一步包含最终传动，其中最终传动包括：
连接到链传动的第三太阳齿轮；
保持不转动的第三环形齿轮；
连接到差速器的第三托架；以及
支承在第三托架上并与第三太阳齿轮和第三环形齿轮相啮合的第三小齿轮。
8.如权利要求1所述的车辆驱动桥，其特征在于，输入轴为沿第一轴延伸并带有轴向相反端的套筒轴；并且该驱动桥进一步包含：
沿着输入轴延伸并带有第一和第二轴向相反端的轴，第一端支承挠性板，第二端固定于与挠性板位置轴向相反的输入轴一端。
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CN104228544B (zh) 2019-11-12
US10173517B2 (en) 2019-01-08
DE102014210466A1 (de) 2014-12-11

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