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ID:6798643
大小:1.20 MB
页数:52页
时间:2018-01-26
《毕业设计(论文)-矿井提升绞车减速器设计》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、河南理工大学万方科技学院毕业(论文)摘要提升绞车作为煤矿等相关产业用作升降物料和人员之用,也可作为小型竖井的提升设备。减速器是用来匹配转速和传递转矩的机械装置,通常用运输、化学工业、装卸物质和造船工业中应用比较广泛。在机械系统中,润滑系统占有很重要的地位,也是一个非常重要的环节。其作用是:提升绞车工作的时候,它会通过不间断地向主轴承、减边器轴承和啮合齿面压送润滑油,以达到轴承与各个齿轮之间能够良好的工作。提升绞车的主轴也是传动的主要部件。主轴在工作时应当承受工作过程中的外负荷,以至于不发生残余变形和过量的弹性变形,同时还要保证一定的使用寿命。关键词:减速器;齿
2、轮;轴承;主轴;润滑AbstractJTKSerieshoistwhichisusedforcoal,metalminingandnon-metalmining。Itcanraisematerialsandpeopleinthetiltroadwayorbeusedastheupgradingequipmentinsmallshaft。Accordingtodifferentmanufacturing47河南理工大学万方科技学院毕业(论文)processes,wecouldclassifythehoistdrumstructureintohybridcasti
3、ng-weldingtype(supportwheelforcasting,rollerforwelding)andweldingtype。Themechanicaltransmissionsystemincludesreducerandcoupling。Themainaxisofhoistisrestrictedbyraisingspeed,soitisgeneral10to60r/min。Atthesametime,themotorwhichisusedtodragisbetween480and960r/min。Inthisway,besidesusing
4、lowspeedDCmotortodrag。Spindlecannotconnectedwiththemotordirectlyundernormalcircumstances,butthroughbythemiddlereducer。Reducerisusedtoslowdownspeedsandtransferpower。Couplingiscomposedofsemi-couplingandcolumncomponentparts。Becauseofcolumnscontainbufferandshock-absorbingfunctions,sothe
5、yhaveasmoothdrive,smallnoise,safety,reliability,easytomaintainbenefitsandsoon。Spindleandtheoutputshaftofreducerareoftenusinggear-couplingtoconnect。Lubricationisaveryimportantaspectforallmechanicalsystems。Lubricationsystemcanprovideuninterruptedpressurelubricationoilformainbearings、r
6、educerbearingsandthesurfaceofmeshingtoothinraisingstage,sothatbearingsandgearscanworkwell。Lubricationsystemshouldconnectedwithautomaticprotectionsystemandthemainmotor。Motordrives.drumthroughspindle。Spindleisalsoamaincomponentinmechanicaltransmissionsystems。Spindleshouldbeabletostand
7、outsideloadwithouttheoccurrenceofexcessiveresidualdeformationandelasticdeformationinthecourseofworkingprocess。Atthesametimetoensureacertainlife。Spindleisoftenthebiggestandtheheaviestpartsofhoistingmachineinsizeandtorquedelivery。Keywords:hoist;reducer;coupling;spindle47河南理工大学万方科技学院毕业
8、(论文)目录摘要IAbstractII
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