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机械毕业设计 说明书 论文

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编号：（）字号本科生毕业设计题目：TH250斗式提升机设计姓名：学号：班级摘要斗式提升机是一种被普通采用的垂直输送设备,用于运送各种散状和碎块物料，例如水泥，沙，土煤，粮食等，并广泛地应用于建材、电力、冶金、机械、化工、轻工、有色金属、粮食等各工业部门。斗式提升机的结构特点是：被运送物料在与牵引件连结在一起的承载构件料斗内，牵引件绕过各滚筒，形成包括运送物料的有载分支和不运送物料的无载分支的闭合环路，连续运动输送物料。驱动装置与头轮相连，使斗式提升机获得动力并驱使运转。本次设计主要针对TH250的整体结构设计,驱动链轮的设计,电机、减速机、等主要零部件的选择及驱动轴的设计校核。关键词：斗式提升机；设计；驱动装置；牵引件ABSTRACTThebucketelevatorisacommonverticaltransportationequipmentforthedeliveryofavarietyofbulkandfragmentsofmaterialssuchascement,sand,soil,coal,grain,andiswidelyusedinbuildingmaterials,electricity,metallurgy,mechanical,chemicalindustry,lightindustry,nonferrousmetals,grainandotherindustrialsectors.BucketElevatoristhestructuralcharacteristics:thematerialsbeingtransportedtogetherwiththetractionofcarryingcomponentsofthehopper,thetractionaroundthedrumpieces,formingaclosedloopcontainingabranchofadeliveryofmaterialsandabranchofthenon-deliveryofmaterials,theMovementforconveyingmaterials.ThedesignofthemainTD250overallstructuraldesign,thedesignofthedrivepulley,theselectofmotor,reducer,beltandotherpartsandthedriveshaftdesignverification.Keywords：Bucketelevator；Chainwheel；drives；tractioncomponentsI目录1绪论.........................................................................................................11.1课题研究的背景和意义.....................................................................................11.2国内外斗式提升机的发展与现状.....................................................................11.2.1国内斗式提升机的技术现状...................................................................11.2.2国内外斗式提升机技术的差距...............................................................21.3斗式提升机的发展趋势.....................................................................................32TH斗式提升机方案设计......................................................................52.1总体布置及工作原理........................................................................................52.1.1卸料方式及选用.......................................................................................62.2主要零部件及选型............................................................................................72.2.1牵引件.......................................................................................................72.2.2料斗...........................................................................................................73斗式提升机的设计计算.......................................................................113.1输送能力和料斗的计算..................................................................................113.1.1输送能力的计算.....................................................................................113.1.2料斗的计算.............................................................................................113.1.3核算输送能力：.....................................................................................123.2运行阻力的计算..............................................................................................123.3电动机的选取..................................................................................................153.4驱动链轮的设计计算......................................................................................163.5减速器的设计..................................................................................................173.5.1分配传动比.............................................................................................173.5.2计算传动装置的运动和动力参数.........................................................183.5.3传动件的设计计算.................................................................................193.5.4轴的设计计算.........................................................................................283.6链轮轴的设计与校核......................................................................................363.6.1轴的设计.................................................................................................363.6.2轴的校核.................................................................................................373.6.3轴承选用.................................................................................................393.6.4驱动链轮键的设计校核.........................................................................403.7联轴器的选取..................................................................................................403.8壳体的设计......................................................................................................414斗式提升机安装、使用说明、故障维修和维护..............................424.1斗式提升机的安装、调试及运行..................................................................424.2斗式提升机操作规程......................................................................................424.3斗式提升机故障处理......................................................................................434.4斗式提升机维护和保养..................................................................................445斗式提升机的变频调速控制...............................................................45

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