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XXXX大学本科生毕业论文I小型活动式起重提升机的总体结构设计摘要：提升机是大型固定机械之一,主要用于各种重物的升降和输送.小型提升机在日常生活中也起着重要的作用。提升机的动力来源选择了微型电动葫芦，由电动机和减速器以及滚筒三部分成,各部分之间分别由联轴器联接。电动机是动力源,减速器是传动系统,滚筒为执行和控制部分,其中以减速器最为重要。它采用准平行环面蜗杆。这种蜗杆不需要修形就能达到直廓环面蜗。杆修形的效果,而且瞬时接触线和相对运动速度方向夹角稳定,接近90度;蜗齿面是用铲背滚刀加工而成,因此蜗轮齿面接触面大,质量稳定。同时参加啮合的齿轮齿数多,蜗轮齿面无脊线,传递运动时不会产生干涉。因此,这种蜗杆传动承载功率大,动压油涵稳定传动、噪声低、平衡温度低等特征。具有良好的实用价值和经济价值。关键词：活动式；提升机XXXX大学本科生毕业论文IIThedesignofsmall-scaleandmovablehoistAbstract:Theliftingmachineisoneofthelarge-scaleregularmachinery,sedintheriseorfallandtransportofvariouskindsofheavyobjectsmainly.Thesmall-scaleliftingmachineplaysanimportantroletooindailylife.Theliftingmachineismadeupofmotor,deceleratorandthreepartsofcylinder,islinkedbytheshaftcouplingrespectivelybetweeneverypart.Themotoristhepowersource,thedeceleratorisatransmission,thecylinder,inordertocarryoutandcontrolsome,amongthemthedesignofthedeceleratoristhemostimportant.Itadoptsthewormtheaccurateparallelringdeveloped.Thiskindofwormdoesnotneedtorepairtheshapetoreachthewormthewideringdirectlyandrepairtheresultoftheshape,andisexposedtothelineandrelativemotiontempodirectioncontainedanglestabilityinstantaneously,iscloseto90degrees;Carrythehobbingcutterandprocesswithshovelsbutsucceedtheteethofacogwheelofsnail,socontactthesurfacegreatlytheteethofacogwheelofsnail,qualityissteady.Participatinginseveralmorethangearwheelteeththatclenchtheteethatthesametime,thereisnospinelinetheteethofacogwheelofsnail,willnotbeproducedandinterferedwhiletransmittingsports.So,thiskindofwormtransmissionbearstheweightofthepowerlargly,moveandpresstheoiltocontainthestabilitytransmission,low,balancedtemperaturelowgradecharacteristicofnoise.Havegoodpracticalvalueandeconomicworth.Keywords:movable;hoistXXXX大学本科生毕业论文III目录第1章绪论.........................................................................................................................11.1概述.........................................................................................................................11.1.1提升机载荷的种类......................................................................................21.1.2提升机的稳定性问题..................................................................................21.2提升机的发展.........................................................................................................2第2章设计.........................................................................................................................32.1选题背景.................................................................................................................32.2方案论证.................................................................................................................32.3主要部件的选择.....................................................................................................42.3.1H-K201微型电动葫芦的选择....................................................................42.3.2钢丝绳的选择..............................................................................................62.3.3轴承的选择..................................................................................................62.4设计计算部分.........................................................................................................72.4.1焊接要求......................................................................................................72.4.2拉力计算过程..............................................................................................82.4.3钢丝绳拉力计算.........................................................................................112.4.4轴的计算.....................................................................................................112.4.5外力偶矩的计算.................................................................................................112.5使用要求...............................................................................................................142.5.1提升机的使用和管理................................................................................142.5.2相关安全....................................................................................................162.6技术措施...............................................................................................................172.7结论.......................................................................................................................18致谢.....................................................................................................................................19参考文献.............................................................................................................................22XXXX大学本科生毕业论文1第1章绪论1.1概述很高兴能设计本题目，本设计是通过从主观的调查、研究、分析，后又经过计算等各个工作，完成了本设计。设计中主要原理是通过电动机带动钢丝绳后来拉动物料，钢丝绳的长度决定了拉升的高度，本设计中钢丝绳的长度为25米，拉升高度在22米左右。当大量的房地产，水利水电工程的崛起并得到巨大发展时，大型的起重机械得到了充分的运用，体现了他的巨大价值。然而当前建筑机械的发展趋势分也为两个方向，一是大型化，一是小型化（微型化）。1989年4月在西德慕尼黑举办的工程机械博览会上，小型建筑机械与大型的同意引人注目，展示了良好的销售前景。提升机主要用于各种重物的升降和输送.小型提升机在日常生活中也起着重要的作用。然而对于提升机的研究发展，大多数还是趋于矿井之类的大型提升，例如斗式，门式等等。小型活动式的新型研究型相对而言还不是很突出，其主要用于码头港口，家用，粮食提升等等。起重机机械主要用于装卸和搬运物料,如：1、旧城改造，市政建设已成为建筑工程任务中的