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行星齿轮洗衣机减速器的设计[带图纸].doc行星齿轮洗衣机减速器的设计[带图纸].doc -- 45 元

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本科毕业论文(设计)论文(设计)题目自动洗衣机行星齿轮减速器的设计学生姓名所在院(系)机电学院所学专业机电技术教育导师姓名完成时间摘要本文是有关一种自动洗衣机减速离合器内部减速装置行星轮系减速器的设计。行星轮减速其实就是应用齿轮减速的原理,它有一个轴线位置固定的齿轮叫中心轮或太阳轮,在太阳轮边上有轴线变动的齿轮,即一方面作自转另一方面又作公转的齿轮叫行星轮,行星轮有支持构件叫行星架,通过行星架将动力传到轴上,再传给其它齿轮。它们由一组若干个齿轮组成一个轮系,只有一个原动件,这种周转轮系称为行星轮系。关键词行星轮系减速器,行星轮,中心轮(太阳轮),行星架TheDesignofPlanetGearReducertoAutomaticWashingMachineAbstractThispaperistherelatedonekindofautomaticwasherdeceleratesthecouplinginteriordeceleratingdeviceplanetgeartrainreductiongearthedesign.Theplanetarygeardeceleratesisactuallyappliesthegearreductiontheprinciple,ithasaspoolthreadpositionfixedgeartobecalledthecentralringorthesungear,onehandthegearnearbythesungearwhichthespoolthreadchanges,ontheotherhandontheonehandnamelymakestherotationtomaketherevolutionthegearauctionhousespider,theplanetarygearhasthesupportcomponenttobecalledtheplanetcarrier,passestoontheaxisthroughtheplanetcarrierthepower,againpassestoothergears.Theyarecomposedageartrainbygroupofcertaingears,onlythenoriginalmovingparts,thiskindofepicyclictrainiscalledtheplanetgeartrain.KeywordsPlanetgeartrainreductiongear,planetarygear,centralringsungear,planetcarrier目录1绪论··················································································································11.1发展概况······································································································11.2行星齿轮的传动···························································································11.3行星齿轮传动的特点····················································································21.4行星齿轮传动的基本类型·············································································32减速器简介········································································································33传动系统的方案设计·························································································43.1原始数据······································································································43.2传动方案的要求···························································································53.3拟定传动方案·······························································································54行星齿轮传动的设计·························································································64.1行星齿轮传动比和效率计算·········································································64.2行星齿轮传动的配齿计算·············································································64.2.1传动比条件····························································································64.2.2同轴条件································································································74.2.3装配条件································································································74.2.4邻接条件································································································74.3行星齿轮传动的几何尺寸和啮合参数计算····················································94.4行星齿轮传动强度计算及校核····································································144.4.1名义载荷、使用系数和动载系数····························································144.4.2行星齿轮抗弯疲劳强度计算及校核·······················································154.4.3行星齿轮接触疲劳强度计算及校核·······················································155行星齿轮传动的均载机构的设计·····································································155.1基本构件浮动的均载机构···········································································165.2采用弹性件的均载机构···············································································165.3杠杆联动均载机构······················································································175.4弹性油膜浮动法··························································································195.5齿式联轴器的设计······················································································196太阳轮、行星轮和行星架的结构设计································································226.1太阳轮的结构设计······················································································226.2行星轮的结构设计······················································································226.3行星架的结构设计······················································································237行星轮系减速器输入输出轴的设计··································································247.1减速器输入轴的设计··················································································267.1.1选择材料,确定许用应力·······································································267.1.2根据扭转强度估算轴径·········································································267.1.3确定各轴段的直径和长度·····································································267.1.4校核·····································································································277.2减速器输出轴的设计··················································································277.2.1选择材料,确定许用应力·····································································277.2.2根据扭转强度估算轴径·········································································277.2.3确定各轴段的直径和长度·····································································287.2.4校核·····································································································288结束语·············································································································28致谢····················································································································29参考文献·············································································································29
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