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毕业设计(论文)食品提升皮带机设计DESIGNOFFOODLIFTBELTCONVERYER学生姓名学院名称机电工程学院专业名称机械设计制造及其自动化指导教师2008年6月2日徐州工程学院毕业设计(论文)I徐州工程学院学位论文原创性声明本人郑重声明:所呈交的学位论文,是本人在导师的指导下,独立进行研究工作所取得的成果。除文中已经注明引用或参考的内容外,本论文不含任何其他个人或集体已经发表或撰写过的作品或成果。对本文的研究做出重要贡献的个人和集体,均已在文中以明确方式标注。本人完全意识到本声明的法律结果由本人承担。论文作者签名:日期:年月日徐州工程学院学位论文版权协议书本人完全了解徐州工程学院关于收集、保存、使用学位论文的规定,即:本校学生在学习期间所完成的学位论文的知识产权归徐州工程学院所拥有。徐州工程学院有权保留并向国家有关部门或机构送交学位论文的纸本复印件和电子文档拷贝,允许论文被查阅和借阅。徐州工程学院可以公布学位论文的全部或部分内容,可以将本学位论文的全部或部分内容提交至各类数据库进行发布和检索,可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。论文作者签名:导师签名:日期:年月日日期:年月日徐州工程学院毕业设计(论文)II摘要提升机是一种实现工程物料向上运输的机械,它是当代最为得力的输送设备之一,它广泛运用于矿山、码头、化工等各种场合,但是不同的工况下它对设备的要求是不同的本文以食品加工业为背景,设计提升食品的机械。食品提升皮带机是在带式输送机的基础上发展起来的。食品提升皮带机与传统的带式输送机一样是以胶带、钢带、钢纤维带、塑料带和化纤带等作为传送物料和牵引工件的输送机械。其特点是承载物料的输送机也是传递动力的牵引件,这与其他输送机械有着显著的区别。本次设计的食品提升皮带机是一种小型的运输机械,其承载能力要求较小,相对于其他的带式输送机成本要求低,设计结构紧凑。本设计从整体结构出发,对整个装置中的驱动部分和传动部分进行了设计与计算。其中在驱动装置的设计与计算中,本设计选择电机—减速器的装置来作为驱动设备;而在传动部分的设计中,本设计选择了同步带轮与驱动装置相连,从而传递动力。本文另外还对装置中的改向滚筒、压辊及机架部分进行了选择设计,同时对其他的辅助设备也做了必要的计算和选择。本设计主要设计减速器的结构,确定了内部各传动齿轮以及轴的各主要参数,以及改向滚筒的设计,并对其工作原理作了详细分析。关键词减速器;改向滚筒;压轮;托辊徐州工程学院毕业设计(论文)IIIAbstractHoistisaprogressiverealizationofthetransportofmaterialsengineeringmachinery,itisthemostmodernequipmentcapableofconveyingoneofitswidelyusedmines,docks,chemicalandotheroccasions,butadifferentconditionofitsequipmentrequirementsaredifferentTheInthispaper,foodprocessingindustryasthebackground,designenhancefoodmachinery.Enhancingfoodinthebeltconveyorbeltmachineisdevelopedonthebasisof.Foodandupgradethetraditionalbeltmachine,likeabeltconveyorbelt,strip,withsteelfibers,plasticsandchemicalfiberswithatransmissionbelt,andothermaterialsandthedeliveryofmechanicaltractionworkpiece.Itscharacteristicsarecarryingthematerialconveyorisalsothechangeofpowertransmissionparts,machineryandothertransporthassignificantdifferences.Thedesignofthefoodenhancebeltmachineisasmalltransportmachinery,itscarryingcapacityrequirementsofsmall,relativetootherlow-costrequirementsofthebeltconveyor,compactdesign.Thedesignoftheoverallstructureoftheentiredeviceinthedriveanddrivesomepartsofthedesignandcalculation.Onedriverinthedesignandcalculation,theelectricaldesignoptions-asareducerofthedevicetodriveequipmentinthetransmissionpartofthedesign,selectedthedesignofthetimingbeltpulleysconnectedwiththedrivetotransferpower.Thispaperwasalsoinstalledinthebendofthedrum,rollandracksomepressuretochooseadesign,whiletheotherauxiliaryequipmenthavealsodonethenecessarycalculationsandchoices.Themaindesignreducerdesignthestructure,determiningtheinternaltransmissiongearandtheaxisofthemainparameters,andbendthedrumdesign,andtheprincipleofdetailedanalysis.Keywords:ReducerBendpulleyPressingwheelRoller徐州工程学院毕业设计(论文)I目录1绪论.............................................................................................................................11.1前言........................................................................................................................11.1.1背景介绍...........................................................................................................11.1.2运输机简介.......................................................................................................11.1.3食品提升皮带机简介.......................................................................................51.2方案确定................................................................................................................61.3设计方案综述........................................................................................................72减速器结构的设计.....................................................................................................82.1电动机的选择........................................................................................................82.1.1选择电动机类型和机构形式...........................................................................82.1.2功率的计算.......................................................................................................82.1.3电动机功率的选择...........................................................................................82.2确定传动装置的总传动比和分配传动比..........................................................102.2.1总传动比.........................................................................................................102.2.2分配减速器的各级传动比.............................................................................102.3计算传动装置的运动和动力参数......................................................................112.3.1各轴转速.........................................................................................................112.3.2各轴的输入功率.............................................................................................112.3.3各轴的输入转矩.............................................................................................122.4减速器的结构设计..............................................................................................132.5传动零件的设计计算..........................................................................................132.5.1第一级齿轮传动的设计.................................................................................132.5.2第二级齿轮传动的设计.................................................................................192.5.3齿轮轴的校核.................................................................................................242.5.4中轴键的选择.................................................................................................272.6轴承的选择..........................................................................................................282.6.1轴承的选择因素.............................................................................................282.6.2轴承的型号确定.............................................................................................292.6.3轴承校验.........................................................................................................293间歇机构...................................................................................................................323.1槽轮机构..............................................................................................................323.1.1槽轮机构的组成及工作特点.........................................................................323.1.2槽轮机构的类型及应用.................................................................................323.1.3槽轮机构的运动系数及运动特性.................................................................323.2棘轮机构..............................................................................................................334改向滚筒的设计.......................................................................................................354.1改向滚筒的结构设计..........................................................................................354.2改向滚筒轴的强度校核......................................................................................355改向压轮的设计.......................................................................................................395.1改向压轮的结构设计..........................................................................................395.2设计方案的比较与选择......................................................................................40