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边双链刮板输送机机头部设计说明书毕业论文.doc

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边双链刮板输送机机头部设计说明书毕业论文.doc

I摘要刮板输送机是为采煤工作面和采区巷道运煤的机械。它具有适应性好,协作性好,耐磨性好,可弯曲性好,机身的强度和刚度高,能承受碰撞和冲击等优点,成为综采设备中最主要的设备之一,是煤炭装运的第一个环节,在很大程度上决定了采煤工作面的生产能力和效率。主要对边双链型刮板输送机机头传动部进行设计。整体式链轮组件在运转过程中经常存在维修不便的问题,经常拆卸影响传动装置的可靠性。针对这一问题,本设计将链轮组件设计为剖分式。对于刮板输送机的其他部件如机头架、过渡槽、链轮、闸盘紧链器等,综合已有的多种结构进行最佳设计,进而完成输送机的整体结构设计。从电动机的选择开始设计,经减速器设计、链轮组件设计、闸盘紧链器的选择,最终确定机头部整体结构。关键词刮板输送机链轮减速器机头部IIAbstractScraperconveyorforthecoalfaceandthecoalminingarearoadwaymachinery.Ithasagoodadaptability,collaborationandgood,wearresistance,andcanbendagoodbodyofhighstrengthandstiffness,canwithstandtheimpactofthecollisionandtheadvantagesofafullymechanizedcoalminingequipmentinoneofthemostimportantequipment,coalTheshipmentofthefirstsession,toalargeextentdeterminethecoalfaceofproductioncapacityandefficiency.Mainlyontheedgeofdoublestrandednosescraperconveyortransmissionofthedesign.Sprocketcomponentintheoverallfunctioningoftheprocessofinconveniencetotheregularmaintenanceofexistingproblems,oftenthedemolitionoftheimpactoftransmissionreliability.Inresponse,thedesignofcomponentsdesignedtobesprocketstylesubdivision.Thescraperconveyorcomponentssuchasthenoseoftheotherplanes,thetransitionslot,sprocket,thegatewastightchain,etc.,haveintegratedthebestdesignforavarietyofstructures,therebycompletingtheoverallstructureofconveyordesign.Motorstartfromthechoiceofdesign,thereducerdesign,sprocketcomponentdesign,gatetightchainschoice,ultimatelydeterminetheoverallstructureofthehead.KeywordsscraperconveyorsprocketreducermachineheadIII目录摘要.........................................................................................................................IAbstract....................................................................................................................II第1章绪论..............................................................................................................11.1国内外发展情况........................................................................................11.1.1国外刮板输送机发展概况.............................................................11.1.2我国刮板输送机发展现状.............................................................11.1.3我国刮板输送机的技术改进方向................................................21.2研究目的和意义........................................................................................31.3设计方案.....................................................................................................3第2章电动机和液力耦合器的选择计算............................................................62.1运行阻力计算和驱动电动机选择............................................................62.1.1运行阻力计算.................................................................................62.1.2电动机的选择.................................................................................92.2液力耦合器的选择..................................................................................10第3章减速器的设计计算...................................................................................123.1传动比的分配和传动效率的选择..........................................................123.1.1传动比的分配...............................................................................123.1.2传动效率的选择...........................................................................123.2传动装置的运动和动力参数计算..........................................................133.2.1各轴转速的计算...........................................................................133.2.2各轴输入功率的计算...................................................................143.2.3各轴输入转矩的计算...................................................................143.3锥齿轮传动的设计...................................................................................153.3.1选精度等级、材料及齿数...........................................................153.3.2按接触强度进行初步设计...........................................................153.3.3几何尺寸的计算...........................................................................163.3.4校核接触强度...............................................................................193.3.5齿根弯曲强度校核.......................................................................223.4斜齿齿轮传动设计..................................................................................24IV3.4.1精度等级、材料及齿数确定......................................................243.4.2按齿面接触强度设计...................................................................243.4.3按齿根弯曲疲劳强度设计...........................................................273.4.4几何尺寸计算...............................................................................283.5直齿齿轮传动设计..................................................................................293.5.1选定精度、材料及齿数...............................................................293.5.2按齿面接触强度设计...................................................................293.6轴的设计...................................................................................................333.6.1轴的材料选择和最小直径估算..................................................333.6.2轴的结构设计...............................................................................343.6.3轴的校核.......................................................................................373.7键的选择和校核......................................................................................423.8滚动轴承的选择与校核..........................................................................433.8.1滚动轴承的选择...........................................................................433.8.2滚动轴承的校核...........................................................................44第4章链轮组件的计算及闸盘紧链器的选择..................................................464.1链轮设计计算...........................................................................................464.2花键轴和盲轴的计算..............................................................................484.2.1花键轴计算...................................................................................484.2.2盲轴计算.......................................................................................514.3闸盘紧链器的选择..................................................................................51结论...........................................................................................................................53致谢...........................................................................................................................54参考文献..................................................................................................................55附录1........................................................................................错误未定义书签。附录2........................................................................................错误未定义书签。

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