CN104379969A - 车辆扭矩变换器 - Google Patents

车辆扭矩变换器 Download PDF

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CN104379969A
CN104379969A CN201380033187.9A CN201380033187A CN104379969A CN 104379969 A CN104379969 A CN 104379969A CN 201380033187 A CN201380033187 A CN 201380033187A CN 104379969 A CN104379969 A CN 104379969A
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combined
connecting part
piston
inertia rod
driven disc
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CN104379969B (zh
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权起贤
金璂雨
弘淳石
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Faroeco torque converter (Nanjing) Co., Ltd
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Korea Powertrain Co Ltd
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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
    • F16H45/00Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • 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
    • F16H41/00Rotary fluid gearing of the hydrokinetic type
    • F16H41/24Details
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123Wound springs
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • F16F15/13128Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses the damping action being at least partially controlled by centrifugal masses
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/14Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/1464Masses connected to driveline by a kinematic mechanism or gear system
    • F16F15/1471Masses connected to driveline by a kinematic mechanism or gear system with a kinematic mechanism, i.e. linkages, levers
    • 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
    • F16H45/00Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0205Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type two chamber system, i.e. without a separated, closed chamber specially adapted for actuating a lock-up clutch
    • 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
    • F16H45/00Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0226Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers
    • 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
    • F16H45/00Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0263Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means the damper comprising a pendulum
    • 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
    • F16H45/00Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0278Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch comprising only two co-acting friction surfaces
    • 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
    • F16H45/00Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0294Single disk type lock-up clutch, i.e. using a single disc engaged between friction members

Abstract

本发明公开一种车辆扭矩变换器,其具有扭转减振器,能够降低固有频率,而且在反共振(Anti-resonance)中吸收振动能量,从而增大隔振(Vibration Isolation)功能。本发明的具有扭转减振器的扭矩变换器中,该扭转减振器包括:支撑板,与活塞结合;多个弹簧,配置在支撑板上,弹性力沿圆周方向作用;从动盘,对多个弹簧施加反作用力,并与向变速器传递驱动力的花键毂结合;惯性杆,配置于活塞与从动盘之间,并具有通过固定枢轴与活塞结合的固定枢轴结合部、通过活动枢轴与从动盘结合的活动枢轴结合部。

Description

车辆扭矩变换器
技术领域
本发明涉及一种车辆扭矩变换器,其具有扭转减振器,并且降低固有频率,在反共振(Anti-resonance)中吸收振动能量,从而能够增大隔振(Vibration Isolation)功能。
背景技术
通常,扭矩变换器设在车辆发动机与变速器之间,利用流体将发动机的驱动力传递给变速器。这种扭矩变换器包括:泵轮,接收来自发动机的驱动力而旋转;涡轮,借由从所述泵轮流出的工作油而旋转;以及导轮(又称为定子),将返回至泵轮的工作油的流向转换为泵轮的旋转方向,从而增大扭矩变化率。
扭矩变换器具有用以直接连接发动机与变速器的锁止离合器(Lock up clutch,或者又称为“减振离合器”),因为当作用于发动机的载荷增加,动力传递效率可能会降低。锁止离合器配置于与发动机直接连接的前盖与涡轮之间,使来自发动机的旋转动力能够直接经由涡轮传递至变速器。
这种锁止离合器包括活塞,该活塞在涡轮轴上可沿轴向移动。而且,活塞上结合有摩擦件,该摩擦件与前盖摩擦接触。活塞上还结合有扭转减振器(Torsional damper),该扭转减振器可吸收摩擦件与前盖结合时沿轴的旋转方向作用的冲击及振动。
上述扭转减振器沿旋转方向设有多个弹簧,当锁止离合器工作以使发动机的驱动力经由涡轮直接传递给变速器时,上述多个弹簧可吸收扭矩。
即,现有的扭转减振器主要使用沿圆周方向配置的螺旋弹簧,因此存在隔振不充分的问题。
发明内容
为了解决上述问题,本发明提供一种扭转减振器工作时,可以增大隔振功能和惯性力,同时可降低固有频率的车辆扭矩变换器。
为了达到上述目的,本发明提供一种车辆扭矩变换器,包括:前盖;泵轮,与所述前盖结合并一同旋转;涡轮,配置在面向所述泵轮的位置上;导轮,设于所述泵轮与所述涡轮之间,用于改变来自所述涡轮的工作油的流向并送到所述泵轮侧;具有活塞的锁止离合器,直接连接上述前盖和所述涡轮;以及扭转减振器,与所述锁止离合器结合并吸收沿旋转方向作用的冲击和振动,
其中,所述扭转减振器包括:支撑板(retaining plate),与所述活塞结合;多个弹簧,配置在所述支撑板上,弹性力沿圆周方向作用;从动盘,对所述多个弹簧施加反作用力,并与向变速器传递驱动力的花键毂(spline hub)结合;以及惯性杆(inertiallever),配置于所述活塞与所述从动盘之间,具有通过固定枢轴与所述活塞结合的固定枢轴结合部、通过活动枢轴与所述从动盘结合的活动枢轴结合部。
优选地,所述惯性杆的一端或两端结合有配重块。
优选地,所述固定枢轴结合部配置于所述惯性杆的所述活动枢轴结合部与结合在所述惯性杆上的配重块之间。
优选地,所述活动枢轴结合部具有沿旋转轴方向贯穿所述惯性杆并从上述旋转轴朝径向形成的长孔,所述活动枢轴结合部通过所述长孔利用轴部件与所述从动盘结合。
如上所述的本发明的实施例中,具有配重块的惯性杆通过固定枢轴与活塞结合,同时通过活动枢轴与从动盘结合,从而增加扭转减震器工作时的质量以产生较大惯性力,同时可通过与从动盘的工作方向反向移动的配重块产生反共振现象。
因此,本发明具有增大隔振功能和惯性力,同时可降低固有频率的效果。
附图说明
图1为用于说明本发明实施例的示意图,示出扭矩变换器的轴向半剖面。
图2为用于说明本发明实施例的示意图,示出惯性杆结合于从动盘的状态。
图3为用于说明本发明实施例的示意图,例示出惯性杆结合于活塞与从动盘。
图4为用于说明本发明实施例的示意图,示出扭转减振器工作时惯性杆移动的状态。
图5为用于说明本发明的其他实施例的示意图。
图6为用于说明本发明的另一实施例的示意图。
图7为用于说明本发明的另一实施例的示意图。
图8为用于说明本发明的另一实施例的示意图。
图9为用于说明本发明的另一实施例的示意图。
具体实施方式
以下参照附图,详细说明本发明的实施例,以便本领域技术人员容易实施本发明。本发明能够以多种不同方式实施,并不局限于在此说明的实施例。为了清楚说明本发明,在附图中省略了与说明无关的部分,而且在通篇说明书中采用相同的附图标记表示相同或类似的构成要素。
图1为用于说明本发明第一实施例的示意图,示出车辆扭矩变换器的轴向半剖面。
本发明第一实施例的扭矩变换器包括:前盖4,连接于发动机的曲轴并旋转;泵轮6,连接于上述前盖4并一同旋转;涡轮8,配置在面向所述泵轮6的位置上;以及导轮(又称定子)10,设于泵轮6与涡轮8之间,用于改变来自所述涡轮8的工作油的流向并送到所述泵轮6侧。向泵轮6侧递送工作油的导轮10具有与前盖相同的旋转中心,并且用于直接连接发动机与变速器的锁止离合器14配置于前盖4与涡轮8之间。
锁止离合器14大致形成为圆盘形,并具有能够沿轴向移动的活塞16。
而且,活塞16上结合有摩擦件18,该摩擦件18与前盖4摩擦接触。
而且,锁止离合器14上结合有扭转减振器20,扭转减振器20用于吸收摩擦件18紧贴前盖4时沿轴的旋转方向作用的扭力并使振动衰减。
如图1及图2所示,扭转减振器20具有多个弹簧31,用于吸收沿圆周方向作用的冲击和振动。这些弹簧31沿圆周方向(旋转方向)配置,优选由螺旋压缩弹簧构成。
这些弹簧31被结合在所述活塞16的支撑板33支撑。这些弹簧31被从动盘35弹性支撑。即,这些弹簧31被弹性支撑在支撑板33与从动盘35之间,可吸收旋转方向(圆周方向)的振动及冲击。
从动盘35可通过铆钉结合在向变速器传递驱动力的花键毂37上。
惯性杆39配置于活塞16与从动盘35之间。惯性杆39具有中间部分通过固定枢轴与活塞16结合的固定枢轴结合部41,而且具有另一部分通过活动枢轴与从动盘35结合的活动枢轴结合部43(参见图2及图3)。
固定枢轴结合部41在惯性杆39的中间部具有沿与轴对齐的方向贯穿的贯通孔,通过将轴部件41a插入该贯通孔而与活塞16连接。即,惯性杆39通过固定枢轴结合部41可在活塞上自由旋转。
活动枢轴结合部43在惯性杆39的一侧沿与轴对齐的方向具有长孔45,该长孔45中插入另一轴部件43a,轴部件43a沿长孔45移动,因而惯性杆39可移动。
而且,这种长孔45的两端与轴部件43a接触,借此限制惯性杆39的移动,并限制与惯性杆39结合的从动盘35的工作角度,从而起到防止弹簧31被完全压紧而损坏的止动部作用。
此外,惯性杆39的一端或两端可具有配重块47。配重块47的材质可与惯性杆39的材质相同,并且可与惯性杆39形成为一体,还可以通过结合装置结合。
这种配重块47增加包含活塞16或从动盘35的扭转减振器20的质量,从而可以增加惯性力。
如上构成的本发明实施例的工作过程如下。
当锁止离合器14工作时,活塞16朝前盖4侧移动,摩擦件18与前盖4紧贴,从而传递到前盖4的来自发动机的驱动力传递至活塞16。传递到活塞16的驱动力被传递至支撑板33,支撑板33对弹簧31施加压力。
于是,弹簧31被压缩的同时对从动盘35施加压力。此时,弹簧31最初吸收旋转方向的振动和冲击。然后随着活塞16和从动盘35旋转,惯性杆39朝与从动盘35的旋转方向相反的方向,即图4中的箭头方向旋转。惯性杆39和惯性杆39的配重块47起到质量体作用,从而二次吸收振动及冲击。
尤其,扭转减振器20的质量因惯性杆39和配重块47而增加,起到减振器作用,在反共振(Anti-Resonance)中吸收振动能量,从而增大隔振功能。
此外,随着从动盘35旋转,惯性杆39上的长孔45的端部与轴部件43a紧贴。由此,惯性杆39的移动及从动盘35的旋转受到限制,长孔45起到止动部的作用。
接着,传递到从动盘35的驱动力通过花键毂37传递至变速器。
图5为本发明另一实施例的构成图,示出惯性杆39与活塞16和从动盘35的结合状态。
对于本实施例,仅描述与上述实施例的不同之处,其他内容与上述实施例相同。
图5所示的实施例中,惯性杆39的外周侧结合有配重块47,惯性杆39的内周侧配置有弹簧31。
图6为本发明另一实施例的构成图,示出惯性杆39与活塞16和从动盘35的结合状态。
对于本实施例,仅描述与上述实施例的不同之处,其他内容与上述实施例相同。
图6所示的实施例中,惯性杆39的外周侧结合有配重块47,惯性杆39的外周侧配置有弹簧31。
图7为本发明另一实施例的构成图,示出惯性杆39与活塞16和从动盘35的结合状态。
对于本实施例,仅描述与上述实施例的不同之处,其他内容与上述实施例相同。
图7所示的实施例中,惯性杆39的内周及外周侧同时具有配重块47,惯性杆39的外周侧配置有弹簧31。
图8为本发明另一实施例的构成图,示出惯性杆39与活塞16和从动盘35的结合状态。
对于本实施例,仅描述与上述实施例的不同之处,其他内容与上述实施例相同。
图8所示的实施例中,惯性杆39的内周及外周侧结合有配重块47,惯性杆39的内周侧配置有弹簧31。
图9为本发明另一实施例的构成图,示出惯性杆39与活塞16和从动盘35的结合状态。
对于本实施例,仅描述与上述实施例的不同之处,其他内容与上述实施例相同。
图9所示的实施例中,活动枢轴结合部43配置于惯性杆39的配重块47与固定枢轴结合部41之间。
以上参照图5至图9所描述的本发明实施例说明本发明能够以多种形式实施。
以上,对本发明的实施例进行了说明,然而本发明并不局限于此,在权利要求书和说明书及其附图所公开的范围内,能够以多种方式实施,这些方式也属于本发明的范围。

Claims (5)

1.一种车辆扭矩变换器,包括:
前盖;
泵轮,与所述前盖结合并一同旋转;
涡轮,配置在面向所述泵轮的位置上;
导轮,设于所述泵轮与所述涡轮之间,用于改变来自所述涡轮的工作油的流向并送到所述泵轮侧;
具有活塞的锁止离合器,直接连接所述前盖和所述涡轮;以及
扭转减振器,与所述锁止离合器结合并吸收沿旋转方向作用的冲击和振动,
其中,所述扭转减振器包括:
支撑板,与所述活塞结合;
多个弹簧,配置在所述支撑板上,弹性力沿圆周方向作用;
从动盘,对所述多个弹簧施加反作用力,并与向变速器传递驱动力的花键毂结合;以及
惯性杆,配置于所述活塞与所述从动盘之间,具有通过固定枢轴与所述活塞结合的固定枢轴结合部、通过活动枢轴与所述从动盘结合的活动枢轴结合部。
2.根据权利要求1所述的车辆扭矩变换器,其中,
所述惯性杆的一端或两端结合有配重块。
3.根据权利要求1所述的车辆扭矩变换器,其中,
所述固定枢轴结合部配置于所述惯性杆的所述活动枢轴结合部与结合在所述惯性杆上的配重块之间。
4.根据权利要求1所述的车辆扭矩变换器,其中,
所述活动枢轴结合部配置于所述惯性杆的所述固定枢轴结合部与结合在所述惯性杆上的配重块之间。
5.根据权利要求1所述的车辆扭矩变换器,其中,
所述活动枢轴结合部具有沿旋转轴方向贯穿所述惯性杆并从所述旋转轴朝径向形成的长孔,所述活动枢轴结合部通过所述长孔利用轴部件与所述从动盘结合。
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