CN114233808A - 广角多级减振离合器 - Google Patents
广角多级减振离合器 Download PDFInfo
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression 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
- F16F15/131—Suppression 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
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/644—Hub construction
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression 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
- F16F15/131—Suppression 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
- F16F15/133—Suppression 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 using springs as elastic members, e.g. metallic springs
- F16F15/134—Wound springs
- F16F15/1343—Wound springs characterised by the spring mounting
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression 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
- F16F15/131—Suppression 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
- F16F15/133—Suppression 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 using springs as elastic members, e.g. metallic springs
- F16F15/134—Wound springs
- F16F15/13469—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations
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Abstract
一种广角多级减振离合器,属于离合器技术领域。本发明的目的是在原有离合器的结构基础上,增加了一组减震系统,从而能够进行多级减震的广角多级减振离合器。本发明减振盘通过铆钉紧固在右减振盘的外侧,减振盘的减振盘中心孔套在外盘毂的右盘轴上,在减振盘上开有减振盘侧两个一级预减振弹簧窗口、四个二级主减振弹簧窗口及摩擦板插孔,在减振盘边沿有减振盘卡扣。本发明能实现广角多级减振性能,并且有效提升整车NVH特性和整车舒适性。
Description
技术领域
本发明属于离合器技术领域。
背景技术
随着排放标准的提高,后处理技术的要求更加严格,汽车的排放标准由国五升级为国六,为配套国六发动机,我司研发设计新型离合器从动盘总成。由于现有430商用离合器扭转角度普遍在8.5度,二级减振结构,无法满足国六发动机的使用要求。
发明内容
本发明的目的是在原有离合器的结构基础上,增加了一组减震系统,从而能够进行多级减震的广角多级减振离合器。
本发明包括摩擦片、铆钉、从动盘-传动盘合件、左减振盘、三级主减振外弹簧、三级主减振内弹簧、摩擦板、外盘毂、内盘毂、右减振盘、波形片,减振盘通过铆钉紧固在右减振盘的外侧,减振盘的减振盘中心孔套在外盘毂的右盘轴上,在减振盘上开有减振盘侧两个一级预减振弹簧窗口、四个二级主减振弹簧窗口及摩擦板插孔,在减振盘边沿有减振盘卡扣;在减振盘外侧的右盘轴上套有摩擦板,摩擦板的边缘有摩擦板卡扣,摩擦板卡扣插接在摩擦板插孔内,在减振盘与摩擦板之间的右盘轴上依次套有摩擦垫圈和碟形弹簧;在外盘毂外侧的内盘毂齿轴上套装有一二级减振外盘毂,一二级减振外盘毂的内环孔有与内盘毂齿轴上的齿配合的啮合齿,在一二级减振外盘毂的表面开有两个一级预减振弹簧窗口和四个二级主减振弹簧窗口;在内盘毂小轴上通过挡圈将一二级减振外盘毂卡住固定在内盘毂小轴上,在一二级减振盘上开有两个一级预减振弹簧窗口和四个二级主减振弹簧窗口,在一二级减振盘边沿上开有卡槽,减振盘卡扣卡接在卡槽内,并采用焊接工艺将减振盘卡扣与卡槽焊接固定;在一级预减振弹簧窗口、二级主减振弹簧窗口、减振盘侧一级预减振弹簧窗口、二级主减振弹簧窗口与二级主减振弹簧窗口、一级预减振弹簧窗口构成减振弹簧空间,在此空间内放置有减振弹簧,减振弹簧分为二级主减振弹簧、内减振弹簧和一级预减振弹簧。
本发明能实现广角多级减振性能,并且有效提升整车NVH特性和整车舒适性。本发明更改预减振结构,由预减振从动片和预减振盖板铆接结构改为上下减振盘夹外盘毂、挡圈固定外盘毂及焊接减振盘装配结构,增加了减振弹簧直径及分布直径,提升了减振系统传扭能力,由于增加外盘毂,将原有减振系统由一级提升为二级。由此实现了广角多级减振结构的设计要求。同时,预减振及主减振一级装配突破现有工艺,采用焊接工艺装配总成。
附图说明
图1是本发明整体结构示意图;
图2是本发明整体爆炸图;
图3是本发明图1的H-H剖视图;
图4是本发明图3的I部分放大图;
图5是外盘毂立体结构示意图;
图6是外盘毂侧面结构示意图;
图7是本发明减振盘结构示意图;
图8是本发明摩擦板结构示意图;
图9是内盘毂结构示意图;
图10是本发明一二级减振外盘毂结构示意图;
图11是本发明一二级减振盘结构示意图;
图12是本发明减震弹簧布局图;
图13是本发明扭转减振特性曲线图;
图14是本发明扭转角度图。
具体实施方式
本发明主要是依托现有的离合器基础上进行的改进,在现有离合器上增加了一套减震系统,在本申请中,涉及现有技术部分(参照图2)从左减振盘4至右减震盘17及内盘毂9,这部分结构均是现有离合器的结构部分,其它部分均是本发明的改进增加部分。
本发明包括摩擦片1、铆钉2、从动盘-传动盘合件3、左减振盘4、三级主减振外弹簧5、三级主减振内弹簧6、摩擦板7、外盘毂8、内盘毂9、右减振盘17、波形片25,此部分是现有的离合器常规一些主要结构部件,本发明没有对其结构进行改变。
本发明是在原有的离合器基础上增加了一整套减震系统,减振盘19通过铆钉15紧固在右减振盘17的外侧,减振盘19即是一个与原有离合器的连接件,又是一个对增加的减震系统的一侧封装件(外壳),减振盘19的减振盘中心孔1903套在外盘毂8的右盘轴82上,在减振盘19上开有减振盘侧两个一级预减振弹簧窗口1904、四个二级主减振弹簧窗口1905及摩擦板插孔1902,在减振盘19边沿有减振盘卡扣1901;在减振盘19外侧的右盘轴82上套有摩擦板13,摩擦板13的边缘有摩擦板卡扣1301,摩擦板卡扣1301插接在摩擦板插孔1902内,在减振盘19与摩擦板13之间的右盘轴82上依次套有摩擦垫圈14和碟形弹簧16;在外盘毂8外侧的内盘毂齿轴901上套装有一二级减振外盘毂12,一二级减振外盘毂12的内环孔1202有与内盘毂齿轴901上的齿配合的啮合齿1203,在一二级减振外盘毂12的表面开有两个一级预减振弹簧窗口1204和四个二级主减振弹簧窗口1201;在内盘毂小轴902上通过挡圈11将一二级减振外盘毂12卡住固定在内盘毂小轴902上,在一二级减振盘27上开有两个一级预减振弹簧窗口2701和四个二级主减振弹簧窗口2703,在一二级减振盘27边沿上开有卡槽2702,减振盘卡扣1901卡接在卡槽2702内,并采用焊接工艺将减振盘卡扣1901与卡槽2702焊接固定;在一级预减振弹簧窗口2701、二级主减振弹簧窗口2703、减振盘侧一级预减振弹簧窗口1904、二级主减振弹簧窗口1905与二级主减振弹簧窗口1201、一级预减振弹簧窗口1204构成减振弹簧空间,在此空间内放置有减振弹簧,减振弹簧分为二级主减振弹簧20、内减振弹簧21和一级预减振弹簧22。
下面结合附图对本发明做详细的描述:
一、二级减振系统工作原理:
减振盘19通过铆钉15铆接与总成固定,减振盘19卡扣1901卡入减振盘27卡槽2702,焊接固定,将内盘毂9与外盘毂12通过啮合齿周向固定,无法相对转动,此时内盘毂9受到冲击力矩旋转时,通过内盘毂外齿901与外盘毂内齿1202咬合,带动外盘毂12旋转。2个一级预减振减振弹簧对向安装在外盘毂12中,减振弹簧端面与减振盘19/27弹簧窗口1904/2701紧密贴合,4组二级主减振弹簧放置在外盘毂剩余窗口,与减振盘19/27弹簧窗口1905/2703存在正向扭转怠速间隙夹角3.5°以及反向扭转怠速间隙夹角1.5°。与减振盘紧密贴合的弹簧先被压缩,存在间隙的弹簧后被压缩,因此产生两个不同的扭转刚度。当内盘毂9外齿901与外盘毂8内齿83接触时,正向扭转13.2°,反向扭转11.2°,一、二级减振系统工作结束。
二、三级减振系统工作原理:
当一、二减振系统工作结束时,内盘毂9与外盘毂8消除了正向13.2°和反向11.2°夹角后,成为刚性连接,内盘毂9开始带动外盘毂8转动,减振盘4与外盘毂8铆钉刚性连接,外盘毂8带动减振盘4转动,与从动盘-传动盘合件3发生相对转动。6组主减振弹簧安装在从动盘-传动盘合件3窗口中,由于从动盘-传动盘合件3内齿(301)与外盘毂外齿(85)存在正反向8.6°夹角,当外盘毂8带动减振盘4转动时压缩减振弹簧正反向扭转8.6°,外盘毂外齿85与从动盘-传动盘合件内齿(301)接触,实现第三级减振系统。整个减振过程总成正向旋转21.8°,反向旋转19.8°,三级减振系统工作结束。
离合器产品分为两部分,主动部分和从动部分,主动部分与飞轮螺栓连接,从动部分与变速箱输入轴花键连接,主动与从动零件之间形成减振特性,实现离合器的扭转减振特性。此产品有一级、二级、三级减振特性,一级和二级减振构成右侧减振系统,三级减振为左侧减振系统。一级和二级减振将采用焊接技术,连接上减振盘和下减振盘构成减振系统,三级减振通过铆钉连接构成减振系统。主要解决低频低扭和高频低扭工况,三级减振解决整车低频高扭和高频低扭工况,能够有效的缓解发动机振动,提高整车NVH特性。
扭转减振特性曲线分为正、反两个方向,总扭转角度41.6°,正向21.8°,反向19.8°,其中怠速减振角度5°,正向3.5°,反向1.5°;二级减振总角度19.4°,正反各9.7°;三级减振17.2°,正反各8.6°。一级扭转角刚度为6.4N.m/°,二级扭转角刚度为48N.m/°,三级减振扭转角刚度为273-370N.m/°。整车工况分为:启停工况、冷车热车怠速工况、一档起步工况、各档位急加速和急减速工况、爬行工况、匀速工况等等,在这些工况,整车会表现出一系列NVH问题,有些问题能够通过离合器减振特性衰减。随着整车技术的提高,传动系统匹配对离合器减振特性要求更高。相对现有产品而言,减振系统仅有两级减振,总扭转角度24°,正向12°,反向12°,其中一级减振角度10°,正向5°,反向5°;二级减振总角度12°,正反各7°,一级扭转角刚度为10.6N.m/°,二级扭转角刚度为510N.m/°。新开发产品较现扭转角度增大73%,扭转角刚度降低27%,一级和二级减振主要解决低频低扭和高频低扭工况,三级减振解决整车低频高扭和高频低扭工况,能够有效的缓解发动机振动,提高整车NVH特性。
本发明扭转减振特性表:
Claims (1)
1.一种广角多级减振离合器,包括摩擦片(1)、铆钉(2)、从动盘-传动盘合件(3)、左减振盘(4)、三级主减振外弹簧(5)、三级主减振内弹簧(6)、摩擦板(7)、外盘毂(8)、内盘毂(9)、右减振盘(17)、波形片(25),其特征在于:减振盘(19)通过铆钉(15)紧固在右减振盘(17)的外侧,减振盘(19)的减振盘中心孔(1903)套在外盘毂(8)的右盘轴(82)上,在减振盘(19)上开有减振盘侧两个一级预减振弹簧窗口(1904)、四个二级主减振弹簧窗口(1905)及摩擦板插孔(1902),在减振盘(19)边沿有减振盘卡扣(1901);在减振盘(19)外侧的右盘轴(82)上套有摩擦板(13),摩擦板(13)的边缘有摩擦板卡扣(1301),摩擦板卡扣(1301)插接在摩擦板插孔(1902)内,在减振盘(19)与摩擦板(13)之间的右盘轴(82)上依次套有摩擦垫圈(14)和碟形弹簧(16);在外盘毂(8)外侧的内盘毂齿轴(901)上套装有一二级减振外盘毂(12),一二级减振外盘毂(12)的内环孔(1202)有与内盘毂齿轴(901)上的齿配合的啮合齿(1203),在一二级减振外盘毂(12)的表面开有两个一级预减振弹簧窗口(1204)和四个二级主减振弹簧窗口(1201);在内盘毂小轴(902)上通过挡圈(11)将一二级减振外盘毂(12)卡住固定在内盘毂小轴(902)上,在一二级减振盘(27)上开有两个一级预减振弹簧窗口(2701)和四个二级主减振弹簧窗口(2703),在一二级减振盘(27)边沿上开有卡槽(2702),减振盘卡扣(1901)卡接在卡槽(2702)内,并采用焊接工艺将减振盘卡扣(1901)与卡槽(2702)焊接固定;在一级预减振弹簧窗口(2701)、二级主减振弹簧窗口(2703)、减振盘侧一级预减振弹簧窗口(1904)、二级主减振弹簧窗口(1905)与二级主减振弹簧窗口(1201)、一级预减振弹簧窗口(1204)构成减振弹簧空间,在此空间内放置有减振弹簧,减振弹簧分为二级主减振弹簧(20)、内减振弹簧(21)和一级预减振弹簧(22)。
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