CN111946785A - 分动齿无级自动变速箱 - Google Patents

分动齿无级自动变速箱 Download PDF

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CN111946785A
CN111946785A CN202010999225.8A CN202010999225A CN111946785A CN 111946785 A CN111946785 A CN 111946785A CN 202010999225 A CN202010999225 A CN 202010999225A CN 111946785 A CN111946785 A CN 111946785A
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gear
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transfer gear
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slave
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李立好
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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
    • F16H9/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/24Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing
    • 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
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/021Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
    • 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
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02Toothed members; Worms
    • F16H55/30Chain-wheels
    • F16H55/303Chain-wheels for round linked chains, i.e. hoisting chains with identical links
    • 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
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • 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
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • F16H61/66231Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling shifting exclusively as a function of speed
    • F16H61/66236Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling shifting exclusively as a function of speed using electrical or electronical sensing or control means
    • 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
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • F16H61/66254Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling
    • 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
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • F16H2061/66204Control for modifying the ratio control characteristic

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

本发明公开了分动齿无级自动变速箱结构原理,动力通过主输入轴、主动齿轮、从动齿轮、同步器,驱动主分动齿盘组件,由变速箱电脑模块,同时分两路信息指令,分别控制主、从分动齿控制器电机、凸轮组件,在调控主、从分动齿盘压力泵、控制阀、伸缩缸、伸缩杆组件,来控制每个分动齿块,依次在齿盘移动区沿圆的半径移动,主、从分动齿块移动方向相反,移动距离相互匹配,改变分动齿圈外圆大小,实现变速,动力通过传动链条驱动齿轮和输出轴,动力不间断地输出,不空转、不打滑、无顿挫、无级自动变速。

Description

分动齿无级自动变速箱
技术领域
分动齿无级自动变速箱,主要用汽车自动变速箱,工程机械变速及需要变速的设备上。
技术背景
现有自动变速箱有以下几种;AT液力自动变速箱、AMT自动变速箱、DCT双离合自动变速箱、CVT自动变速箱;前三种变速箱缺点有换挡有顿挫感、易空转、动力损耗大、油耗高、结构制造复杂、成本高,而CVT变速箱由于是摩擦传动,可承载扭矩小,易打滑,加速性差,易损坏。
发明内容
分动齿无级自动变速箱能克服上述技术缺点。
为了解决上述缺点技术方案是,动力通过主输入轴、主动齿轮、从动齿轮、同步器、驱动主分动齿盘组件。
变速箱电脑模块同时分两路信息指令,一路信息指令,控制主分动齿控制器电机凸轮等组件,在调控主分动齿盘压力泵、控制阀、伸缩缸、伸缩杆、分动齿座组件,控制每个主分动齿块依次在移动区沿滑槽移动,改变其齿圈外圆周长的大小,再通过传动链条把动力输出给从分动齿盘组件。
在主分动齿块移动的同时,变速箱电脑模块发出第二路信息,控制从动齿控制器电机,凸轮组件,从分动齿盘内部压力泵、控制阀、伸缩杆、分动齿座组件,调控每个从分动齿块依次在移动区沿滑槽移动,与主分动齿块移动相反,改变主、从动齿圈外圆周长的大小,来实现变速。
主分动齿与从分动齿每次移动的半径距离,相互匹配,保持链条的松紧适中,保持齿块与链节之间的充分啮合。
链条把动力输出给从分动齿块,驱动从分动齿盘、齿轮及输出轴,动力不间断的输出,不空转、不打滑、无动力损耗、无顿挫、变速平滑,无级自动变速箱。
变速箱电脑模块技术特点,能接收发动机、变速箱上的转速、油量、加减速、转角、速度等各传感器信号进行处理,然后对变速箱同时发出两路控制信号,分别控制主、从分动齿控制器。
主、从分动齿控制器技术特点,把电脑信息指令转换成执行信号,驱动内部电机、凸轮进行运转。
主、从分动齿盘技术特点,由分动齿控制器转动的凸轮,顶触主、从分动齿盘内部压力泵、控制阀、伸缩缸、伸缩杆、分动齿座,依次进行运行,并带动分动齿座上的分齿进行移动,每转一圈主、从分动齿圈外圆周长就会改变大小,通过链条传动实现无级变速。
分动齿块组技术特点,电脑模块控制每个分动齿块的移动距离,并保持齿块与链条链节之间的充分啮合,为了防止运行的数值偏差,分动齿块组设计了上下齿块,上下咬合齿,分离阀,缓冲弹簧,为了校正齿块的偏差,能保证齿块与链节之间的充分啮合,不会咬齿,顶链。
以上技术发明,能保证实际应用的可靠性、稳定性、易制造、成本低,构思新颖独特,实用性强,可以广泛用于汽车、工程机械上。
附图说明
图1标注说明:1-一轴;2-一轴主动齿轮;3-一轴副主动齿轮;4-二轴从动齿轮;5-二轴同步器;6-二轴副从动齿;7-二轴;8-主分动齿控制器;9-主分动齿控制器座;10-主分动齿控制器接口;11-主分动齿盘;12-主分动齿块;13-传动链条;14-张紧轮;15-轴承座;16-液压泵齿轮;17-液压泵;18-三轴;19-从分动齿块;20-从分动齿盘;21-从分动齿控制器接口;22-从分动齿控制器座;23-从分动齿控制器;24-三轴主动齿轮;25-倒挡齿轮;26-电脑模块;27-四轴从动齿轮;28-四轴同步器;29-倒挡从动齿;30-四轴;31-连接头;32-变速箱壳体。
图2标注说明:8-主分动齿控制器;8-1-凸轮轴电机;8-2-泵凸轮;8-3-凸轮轴;8-4-控制阀凸轮;8-5-凸轮拔叉;8-6-凸轮电机;8-7-传感器;8-8-控制器盖;8-9-控制器轴孔。
图3标注说明:11-主分动齿盘;11-3-压力泵;11-4-收缩阀;11-5-扩张阀;11-6-伸缩缸;11-7-伸缩杆;11-8-分动齿座;11-9-位置传感器;11-10-后盖板;11-11-传感器槽。
图4标注说明:12-主分动齿块;12-1-上齿块;12-2-上咬合齿;12-3-下咬合齿;12-4-分离阀;12-5-下齿块;12-6-缓冲弹簧;12-7-上螺孔;12-8-下螺孔。
图5标注说明:11-主分动齿盘;11-1-主分动齿滑槽;11-2-花键孔;12-A-主分动齿块A;12-B-主分动齿块B;12-C-主分动齿块C;12-D-主分动齿块D;13-传动链条;A-主分动齿移动区;19-A-从分动齿块A;19-B-从分动齿块B;19-C-从分动齿块C;19-D-从分动齿块D;20-从分动齿盘;20-1-从分动齿滑槽;B-从分动齿移动区;20-2-从花键孔。
具体实施方式
图1分动齿无级自动变速箱结构原理图
低速工作状态,动力输入经一轴1、一轴主动齿轮2、二轴从动齿轮4与二轴同步器5结合,经二轴7、驱动主分动齿盘11、主分动齿块12位置半径距离最小,经传动链条13、驱动从分动齿块19位置半径距离最大,从分动齿盘20、三轴18、三轴主动齿轮24、四轴从动齿轮27与四轴同步器28结合,经四轴30、驱动连接头31输出。
加速工作状态,变速箱电脑模块26、得到加速信息指令时,电脑模块接收到转速、车速、供油量、位置等各个传感器信息后,电脑模块26,同时,发出两路指令信息,一路信息指令,经主分动齿控制器接口10,传送到主分动齿控制器8组件[控制内部的电机(8—1、8—6),凸轮(8—2、8—3、8—4、8—5)]凸轮凸起,顶触控制紧邻的主分动齿盘11组件[调控内部的压力泵11—3、控制阀(11—4、11—5)、伸缩缸11—6、伸缩杆11—7、分动齿座11—8],来控制主分动齿块12移动,当主分动齿盘11,每转一圈时,多个主分动齿块12分别依次在主分动齿移动区,向外圆扩展一定量距离,多个主分动齿块齿圈外圆周长变大(能根据要求进行变量,并能保持齿与链节的充分啮合),由主分动齿块驱动传动链条13,带动从分动齿块19的转动。
电脑模块26,同时,发出第二路信息指令,经分动齿控制器接口21,传送到从分动齿控制器23内部电机、凸轮组件,调控紧邻的从分动齿盘20内部的压力泵、控制阀、伸缩缸、伸缩杆、分动齿座组件,从而控制从分动齿块19的移动,从分动齿盘每转一圈时,多个分动齿块19在从分动齿移动区内,分别依次向内圆收缩一定量距离,齿圈外圆周长变小。
在主分动齿块12向外圆扩展一定量距离的同时,从分动齿块19就向内圆收缩一定量距离,互相匹配,动力经传动链条13,驱动动从分动齿块19、从分动齿盘20、三轴18、三轴主动齿24,四轴从动齿轮27与四轴同步器28结合,经四轴30,驱动连接头31输出。
一直加速时,多个主分动齿块的外齿圈逐渐变化到最大,同时,多个从分动齿块的外齿圈逐渐变化到最小,这样,就是从低速到最高速的变化过程。
减速工作状态,如要减速,根据电脑模块信息指令,同时,分两路信息指令,分别控制主分动齿控制器,主分动齿盘,主分动齿块收缩。第二路信息指令,控制从分动齿控制器,从分动齿盘,从分动齿块向外扩张,减速和加速的工作原理相同,分动齿块移动方向相反,直降到最低速为止。
分动齿无级自动变速箱,在加速和减速的过程中,动力不中断的情况下完成,没有档次限制的无级变速,无空转、打滑现象,没有顿挫感,变速平顺,动力无损失,传动效率高,并且,动力连接方式简单,离合器可单片、多片、液力、干式、湿式,易制造、成本低,结构具有新颖创造性,广泛用于汽车,工程机械及需要变速的设备上。
图2主分动齿控制器8结构原理图。
从分动齿控制器22与主分动齿控制器8结构原理相同。
当主分动齿控制器8,接收到变速箱电脑模块26的信息指令时,凸轮电机8—6,带动凸轮拔又8—5及控制阀凸轮8—4移动一定位置,凸轮轴电机8—1,带动凸轮轴8-3偏转,使压力泵凸轮8-2,控制阀凸轮8-4向外移动,凸轮凸起,顶触紧邻的主分动齿盘11内部的组件工作。
传感器8-7是接收每个分动齿块的位置及转角信息,传给电脑模块。没有变速信息指令时,主分动齿控制内部凸轮向内收平,与紧邻转动的主分动齿盘组件,没有顶触,保持静态工作,主分动齿块与从分动齿块都保持原位,转速恒定。
图3,主分动齿盘11结构原理图。
从分动齿盘20与主分动齿盘11结构原理相同。
当电脑模块26发出的信息指令,控制主分动齿控制器8内部凸轮凸起,并顶触主分动齿盘内部的压力泵11-3工作,压力泵的油是由液压油泵17提供,压力泵油通过收缩阀11-4或扩张阀11-5的控制,供给伸缩缸11-6工作,伸缩杆11-7工作,分动齿座11-8工作,带动分动齿座上的(图5示)分动齿块12沿滑槽11-1移动一量距离。
每转一圈,每个分动齿块依次在移动区内移动,多个分动齿块组成的齿圈外圆周长,也跟随着变化大小。
图4主分动齿块12的结构原理图。
从分动齿块19与主分动齿块12结构原理相同。
主分动齿块12,每次的扩张和收缩距离,经电脑模块26控制,都会保持齿块与链条链节的相互匹配,不会顶齿咬链,同时为了防止运行中的偏差值,在分动齿块设计了校正与缓冲机构。
当主分动齿块12与链条13分开时,主分动齿块上齿块12-1与下齿块12-5,被分离阀12-4分开,缓冲弹簧12-6居中。
当分动齿块上齿块12-1前齿与链条刚接触时,如果齿块齿和链节不能正确啮合时,链节会带动上齿块向前或向后移动一定距离,使其充分啮合,随着转动,链条把上齿块12-1,紧紧压在下齿块12-5上,通过中间的上、下咬合齿(12-2、12-3),成为一个整体的分动齿块,进行运转。
图5分动齿块的变速原理图。
图5.①加速原理图,当加速时,主分动齿盘11内部伸缩缸工作,伸缩杆收缩,带动分动齿座11-8上的主分动齿块12,沿滑槽11-1向外圆移动,在移动区A范围内扩张,每个主分动齿块(12-A、12-B、12-C、12-D…)依次在A区范围内移动,带动传动链条13,每转一圈,多个主分动齿块12扩张一定量半径距离,齿圈外圆周长增大,同时,从分动齿块19在移动区B范围内移动和收缩,每转一圈时,多个从动齿块(19-A、19-B、19-C、19-D…)收缩一定量半径距离,齿圈外圆周长变小,主分动齿块12和从分动齿块19变量相互匹配,动力不间断输出,加速到最大变速量为止。
图5.②减速图,减速时,其原理与加速原理相同,移动方向相反,减速到最小为止,在每次分齿块移动时,经电脑模块精确控制,和分动齿块组件移动调整,保证齿与链节的充分啮合。
所述原理图以四个分动齿块为例,根据需要可为多个分动齿块。
综述,以上所述仅为本发明的较佳实例而已,并不用以限制本发明,凡在本发明的精神和原则之内,在不脱离发明构思的前提下,所做的任何修改、等同、替换、改进等,均应包括在本发明保护的范围之内。

Claims (9)

1.分动齿无级自动变速箱,其特征在于所述,包括动力输入轴、齿轮、同步器组件和主分动齿控制器组件,驱动和控制主分动齿盘组件,经传动链条和从分动齿控制器组件,驱动和控制从分动齿盘组件,在经输出轴、齿轮、同步器组件,输出动力。
2.根据权利要求1所述,其特征在于:包括;动力经一轴(1)、一轴主动齿轮(2)、二轴从动齿轮(4)与二轴同步器(5)结合,驱动二轴(7)、主分动齿盘(11),主分动齿盘组件由主分动齿控制器(8)来控制的,动力经主分动齿块(12)、传动链条(13)、驱动从分动齿块(19)、从分动齿盘(20),从分动齿盘组件由从分动齿控制器(23)控制,动力经三轴(18)、三轴主动齿轮(24)、四轴从动齿轮(27)与四轴同步器(28)结合,驱动四轴(30)、连接头(31)输出。
3.根据权利要求2所述,其特征在于:包括;电脑模块(26)接收发动机、变速箱、转速、油量、转角、速度、等信息,经综合处理后,同时发出两路控制指令信息,分别通过连接线,一路指令信息连接主分动齿控制器接口(10),主分动齿控制器座(9)传输到主分动齿控制器(8)的内部组件;另一路指令信息,经从分动齿控制器接口(21),从分动齿控制器座(23),传输到从分动齿控制器(23)组件;
变速箱内部一轴、二轴、三轴、四轴两头支承轴承分别连接变速箱壳(32)和轴承座(15)上,张紧轮(14)是调整链条的松紧度,主、从分动齿控制器固定在主、从分动齿控制器座上,并与变速器壳连接。
4.根据权利要求2所述,其特征在于:包括;在其特殊工况要求下,动力经一轴(1),一轴副主动齿轮(3),二轴副从动齿轮(6)与二轴同步器(5)结合,驱动二轴(7)转动。
5.根据权利要求2所述,其特征在于:包括;动力经三轴(18)、倒档主动齿轮(25),经倒档中间齿轮,驱动四轴倒档从动齿轮(29)与四轴同步器(28)结合,四轴(30)、连接头(31)输出,这是倒档工况。
6.根据权利要求2所述,其特征在于:包括;供油组件,一轴主动齿轮(2)驱动液压泵齿轮(16)、液压泵(17)泵油,通过油道,连接主、从分动齿控制器座,油压通过主、从分动齿控制器内轴孔、油道与接触的二轴、三轴油孔、油道相通,油输送到主、从分齿盘内部油孔、油道,供给压力泵及相连通的控制阀组件,伸缩缸组件。
7.根据权利1要求所述,其特征在于主、从分动齿控制器内部组件结构相同,由电脑模块信息指令,控制内部凸轮轴电机(8-1)、凸轮轴(8-3)、泵凸轮(8-2)、控制阀凸轮(8-4)和凸轮电机(8-6)、凸轮拔叉(8-5),传感器(8-7)接收并传送信号,后盖(8-8)、轴孔(8-9)。
8.根据权利1要求所述,其特征在于主、从分动齿盘内部组件结构相同,主分动齿滑槽(11-1)、花健轴孔(11-2)连接在轴花键上,分动齿控制器凸轮顶触控制压力泵(11-3)、收缩阀(11-4)或扩张阀(11-5)、伸缩缸(11-6)工作,带动伸缩杆(11-7)、分动齿座(11-8)分动齿块工作,位置传感器(11-9)输出位置及转角信号,后盖板(11-10)、传感器槽(11-11)。
9.根据权利要求1所述,其特征在于主、从分动齿块内部组件结构相同,上齿块(12-1)与链条接触,上咬合齿(12-2)与下咬合齿(12-3)相互离合,分离阀(12-4)和缓冲弹簧(12-6)起到位移缓冲作用,都在下齿块(12-5)上,上齿块与下齿块咬合后,成为一个整体的分动齿块,分动齿块经上螺孔(12-7)和下螺孔(12-8),通过螺丝固定在分动齿座上。
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CN101275662A (zh) * 2007-03-26 2008-10-01 沈勇 大功率无级变速器的传动变径锥盘和无级变速传动机构
CN101280835A (zh) * 2007-04-05 2008-10-08 张惠东 一种虚齿数可调的链传动机构和应用该装置的自动变速器
US20110059821A1 (en) * 2009-09-08 2011-03-10 Vmt Technologies, Llc Infinitely variable transmission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101275662A (zh) * 2007-03-26 2008-10-01 沈勇 大功率无级变速器的传动变径锥盘和无级变速传动机构
CN101280835A (zh) * 2007-04-05 2008-10-08 张惠东 一种虚齿数可调的链传动机构和应用该装置的自动变速器
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