CN201027913Y - Xb行摆微齿差传动器 - Google Patents

Xb行摆微齿差传动器 Download PDF

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Publication number
CN201027913Y
CN201027913Y CNU2006201322022U CN200620132202U CN201027913Y CN 201027913 Y CN201027913 Y CN 201027913Y CN U2006201322022 U CNU2006201322022 U CN U2006201322022U CN 200620132202 U CN200620132202 U CN 200620132202U CN 201027913 Y CN201027913 Y CN 201027913Y
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gear
eccentric shaft
tooth
housing internal
small
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范又功
李济民
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Beijing Geo-Vista Technology Ltd.
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Beijing Huaneng Tongda Energy Sources Science & Technology 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
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • 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
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F16H2001/323Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising eccentric crankshafts driving or driven by a gearing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

XB行摆微齿差传动器,是由行星偏心轴组件(1)轮齿轮(2)、刚轮齿轮(3)、轴承(4)、前端盖(5)、螺钉(6)、顶套(7)、输出法兰(8)、太阳轮(9)组成。特征1是:以三个均布的行星偏心轴组件(1)的偏心同步复合一个绕回转中心的偏心小惯量机构。特征2是:三构件齿啮合副的齿形是渐开线工作齿形。特点是,体积小、重量小、回差小、惯量小和高精度、高速比、高负载、高效率的特点。它可使得系统的快速性(转动惯量小),稳定性(侧隙小,扭转刚度大),准确性(运动精度高)都提高了一个数量级。

Description

XB行摆微齿差传动器
所属技术领域
本实用新型涉及是一种机械传动装置.它可广泛用于航天,航空,航海以及陆地的机械传动装置中.尤其它是具有四小(体积小,重量小,侧隙小,噪音小)和四高(高精度,高速比,高负载,高效率)独特性能的传动器。
背景技术
众所周知,目前的圆柱齿轮传动器,行星齿轮传动器,摆线针轮传动器,谐波齿轮传动器,要满足大速比小体积,高精度小侧隙,大负载小重量,启动快惯量小等要求难以达到。
本实用新型的结构紧凑,啮合齿的对数多达60%到80%.,而又具有″四小″和″四高″的特点,上述要求得以满足。
发明内容
为了克服现有的齿轮传动器的不足,以满足现代机电一体小型化设备,对传动器提出更高更新的要求,而创生的一种实用新型传动器。
本实用新型为了外形体积尺寸小,其输入与输出轴系采取套装和高负载精密轴承(短圆柱或角接触球轴承),及紧凑的结构;为了减小偏心三构件的啮合副(如摆线针轮传动)的偏心输入轴的质量和转动惯量,而采取三个行星偏心小轴(均布,同步)去取代;为了加大啮合副啮合齿的对数,采取两片或三片摆轮,对称的与配偶齿轮啮合,这不仅提高了承载能力和拼差效果即提高了传动精度,而且大大降低了偏心件引起的离心力和不平衡力矩;为了改善三构件啮合副的齿形加工工艺性,采取渐开线工作齿形替代共轭齿形,这样一来,就可继用渐开线加工设备和刀夹量具.这里就涉及到按三构件运动规律优化啮合参数,使其渐开线工作齿形最佳逼近共轭齿形(它与共轭齿形的误差可以忽略不计).对此,本实用新型是采用解析几何作图法来完成的。
本实用新型有益效果是,它不仅仅较其它齿轮传动器的体积,重量,侧隙都小了好多,而且运动精度,速比,负载也高好多;尤其是在机电一体自动拖动系统中,它与执行元件及反馈元件的结合,使得系统的快速性(转动惯量小),稳定性(侧隙小,扭转刚度大),准确性(运动精度高),都得到提高。
附图说明
下面结合附图和实施实例对本实用新型进一步说明;
图1是本实用新型的传动系统图
图2是本实用新型一个实施实例的结构图
图3是本实用新型的摆轮齿轮齿与壳体内齿轮齿啮合过程示意图
图4是本实用新型的的传动啮合状态图
图5是本实用新型的传动的啮合轨迹图
图中1.行星偏心轴组件,2.摆轮齿轮,3.壳体内齿轮,4.轴承,5.前端盖,6.螺钉,7.顶套,8.输出法兰,9.太阳轮
具体实施方式
在图2所示实施例中,行星偏心组件(1),它是由行星齿轮,偏心轴和配偶的滚针轴承组成.而摆轮齿轮(2),它是一个具有外齿的齿盘,其上有三个与三个偏心轴配偶的滚针轴承孔以及过联结前端盖(5)与输出法兰(8)的螺钉(6)和顶套(7)的过孔.壳体内齿轮(3),它就是一个普通的内齿轮.在图2所示实施例中,精密轴承(4)分别装于前端盖(5)和输出法兰(8)的轴颈上;行星偏心组件(1)分别装于摆轮齿轮(2)配偶的轴承孔中和偏心轴的左端装入输出法兰(8)的对应轴承孔中;将(1)(2)(8)组合从左端装入壳体内齿轮(3)中,轴承(4)到位,使摆轮齿轮(2)的齿与壳体内齿轮(3)的齿进入正确啮合;从另一端(右端)将顶套(6)穿过摆轮齿轮(2)的相应过孔并对准输出法兰(8)的螺钉孔,而后,将前端盖(5)穿上螺钉(7)对准穿入顶套刃入输出法兰(8)的螺孔,并使输出法兰(8)上的轴承到位装入壳体内齿轮(3)的轴承孔中,最后用螺钉将前端盖(5)和输出法兰(8)紧固在一起.这样一来,输出轴系和啮合副实施完成,而后与输入轴系(太阳轮(9)是个轴齿轮,其轴两端的轴承装在输出法兰(8)的轴承孔内和前端盖(5)轴承孔内)组合一起,实施实例总成完成。
在图1所示的传动系统中,当太阳轮(9)(输入端)转动时,与其啮合的三个均布行星轮既作自转,又绕太阳轮公转.这样一来,行星轮自转时,就带动与其相固连的偏心轴同步转动,而三偏心轴带动摆轮齿轮(2),以三偏心轴的复合的偏心绕回转中心作偏心运动来与壳体内齿轮(3)作用进行啮合(啮进啮出),与此同时,由于摆轮齿轮(2)与壳体内齿轮齿数不等而产生错齿运动,即摆轮齿轮(2)相对壳体内齿轮(3)错齿,错齿方向与太阳轮(9)转向同向.与此同时,摆轮齿轮错齿运动过程,要带动行星偏心轴组件(1)的行星轮绕太阳轮(9)作公转,与其自转相复合,且行星偏心轴组件(1)的三个偏心轴带动输出法兰(8)转动输出。
在图3中是本实施实例的三构件:行星偏心轴组件(1)和摆轮齿轮(2)及壳体内齿轮(3)啮合副的啮合关系图.此实施实例的摆轮齿轮(2)与壳体内齿轮(3)齿数相差2个牙,因此当行星偏心轴组件(1)转180°时,摆轮齿轮(2)齿相对壳体内齿轮(3)齿错过1个牙,其错牙方向与行星偏心轴组件(1)转向相反;当行星偏心轴组件(1)转360°时,而错过2个牙。
在图4中所示是本实施实例新型啮合状态图,在行星偏心组件的偏心最大处,处于完全啮合,而与此夹角90°处,而全脱开。
在图5中所示是本实施实例新型,在行星偏心轴组件(1)作用下,摆轮齿轮(2)与壳体内齿轮(3)齿啮合过程的轨迹图.它是按照其三构件啮合原理的运动规律(数学模型),建立的几何解析作图法来完成的.图中只对摆轮齿轮(2)的一个齿(全啮入的齿),从完全啮入到脱开(行星偏心轴组件(1)由0°转180°)相对壳体内齿轮(3)错过一个牙过程;再从脱开(行星偏心轴组件(1)转到180°处)到完全啮入(行星偏心轴组件(1)由180°转到360°)又错过一个牙过程的轨迹图。

Claims (2)

1.一种XB行摆微齿差传动器,其结构由行星偏心轴组件(1)、太阳轮,壳体内齿轮、前端盖、输出法兰组成,其特征是:太阳轮驱动三个均布的行星偏心轴组件旋转,带动两片摆轮齿轮作径向对称摆动,并与壳体内齿轮啮合,壳体内齿轮不动,摆轮齿轮转动,同时三个行星偏心轴组件带着前端盖和输出法兰转动。
2.根据权利要求1所述的XB行摆微齿差传动器,其特征是摆轮齿轮和壳体内齿轮的齿形是渐开线工作齿形。
CNU2006201322022U 2006-08-11 2006-08-11 Xb行摆微齿差传动器 Expired - Fee Related CN201027913Y (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102840279A (zh) * 2011-06-24 2012-12-26 住友重机械工业株式会社 摆动内啮合型减速装置
WO2017008874A1 (de) * 2015-07-14 2017-01-19 Sew-Eurodrive Gmbh & Co. Kg Getriebe mit zumindest einer exzenterwelle
EP3135904A1 (en) * 2015-08-27 2017-03-01 Nabtesco Corporation Windmill driving apparatus, windmill driving system, and reduction gear

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102840279A (zh) * 2011-06-24 2012-12-26 住友重机械工业株式会社 摆动内啮合型减速装置
CN102840279B (zh) * 2011-06-24 2016-04-27 住友重机械工业株式会社 摆动内啮合型减速装置
WO2017008874A1 (de) * 2015-07-14 2017-01-19 Sew-Eurodrive Gmbh & Co. Kg Getriebe mit zumindest einer exzenterwelle
EP3135904A1 (en) * 2015-08-27 2017-03-01 Nabtesco Corporation Windmill driving apparatus, windmill driving system, and reduction gear

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Owner name: BEIJING JIEWEISITE SCIENCE CO., LTD.

Free format text: FORMER OWNER: BEIJING HUANENG TONGDA ENERGY SOURCES SCIENCE + TECHNOLOGY CO., LTD.

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Address after: Beijing City, Haidian District Road No. 135 Building No. 17 northeast, zip code: 100193

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Patentee before: Beijing Huaneng Tongda Energy Sources Science & Technology Co., Ltd.

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