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滚筒式露天采煤机设计说明书毕业论文.doc

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滚筒式露天采煤机设计说明书毕业论文.doc

目录摘要..................................................................................IAbstract.........................................................................................II第1章绪论......................................................................................11.1概述......................................................................................11.2总体方案确定.......................................................................2第2章露天采煤机的发展................................................................42.1国内外露天采煤机发展概况.................................................42.1.1国外滚筒式露天采煤机发展状况................................42.1.2国内滚筒式露天采煤机发展状况...............................42.2露天采煤机主要结构及工作原理..........................................52.3露天采煤机技术关键............................................................7第3章摆截式滚筒式露天采煤机结构..............................................93.1摆截式滚筒式露天采煤机发展..............................................93.2摆截式滚筒式露天采煤机的组成..........................................93.3摆截式滚筒式露天采煤机技术参数......................................93.4主要部件的设计特点.........................................................113.4.1整体布置...................................................................113.4.2工作机构...................................................................113.4.3装载部......................................................................113.4.4输送及转载机构........................................................123.4.5行走部......................................................................123.4.6液压系统...................................................................123.4.7摆截机构...................................................................133.5摆截式滚筒式露天采煤机发展前景...................................14第4章露天采煤机参数确定...........................................................154.1牵引速度及采煤时间计算...................................................154.1.1采煤机的基本参数....................................................154.1.2牵引速度计算...........................................................164.2截割比能耗与牵引速度的统计规律....................................164.2.1截割比能耗...............................................................164.2.2确定理论比能耗........................................................174.3截割功率.............................................................................184.3.1理论功率计算...........................................................184.3.2实际功率计算...........................................................184.4电动机的选取.....................................................................19第5章减速器设计.........................................................................205.1锥齿轮传动设计..................................................................205.1.1材料及基本参数确定................................................205.1.2锥齿轮初步设计........................................................205.1.3锥齿轮疲劳强度校核................................................245.2行星轮系设计.....................................................................285.2.1总传动比计算...........................................................285.2.2行星轮系的选择........................................................285.2.3齿面接触强度校核计算.............................................325.2.4轮齿弯曲强度校核计算.............................................355.3轴的设计校核.....................................................................375.3.1输入轴的设计计算....................................................375.3.2第二轴的设计计算....................................................45第6章摆截式截割机构设计...........................................................466.1液压缸的选择.....................................................................466.2导轨设计.............................................................................486.2.1导轨的分类...............................................................486.2.2导轨的确定...............................................................50第7章摆截式露天采煤机的使用与维护........................................517.1概述....................................................................................517.2露天采煤机的维护与保养...................................................51结论................................................................................54致谢................................................................................55参考文献..........................................................................................56附录1...............................................................错误未定义书签。附录2..错误未定义书签。I摘要滚筒式露天采煤机是一种新型的露天煤矿开采设备,它的特点是环保,工作环境好,安全可靠、可以实现连续的作业生产。截割部作为采煤机的重要部分,决定着采煤机的生产效率,但是在工作过程其支撑臂下有残留煤壁存在,影响了开采。本设计为LMG型系列可调高滚筒式露天采煤机的截割部提供了一种新型的截割方式。可以有效地解决残留煤壁问题。本文分两部分,第一部分介绍了该类设备的国内外发展概况,设备的基本结构、性能及工作原理。从解决关键技术问题、节能环保、提高产品可靠性等方面探讨了滚筒式露天采煤机在露天煤矿的应用。第二部分主要对滚筒式露天采煤机摆截机构进行设计,确定了摆截机构设计的方案,根据其工作原理及工作方式,设计出了合理的摆截幅度,实现摆幅的机构,以及联接支承形式。关键词露天煤矿滚筒采煤机摆截机构IIAbstractOpenDrumShearerisanewtypeofminingequipmentforopencastmine,whichischaracterizedbyenvironmentalprotectionandsafe,reliableworkenvironment,anditcanachievecontinuousproductionoperations.CuttingtheMinistryasanimportantpartofShearer,Shearerdeterminestheefficiencyofproduction,Butinthecourseofitssupportarmunderresidualcoalwall,whichaffectedmining.ThedesignoftheLMGSeriescanberaisedDrumopenshearercuttingunitprovidesanewwayofcutting.Itisanefficientsolutiontotheproblemresidualcoalwall.Thispaperincludestwoparts.Thefirstpartisthedevelopmentoftheequipmentathomeandabroad,thebasicstructureoftheequipment,Performanceandprinciple.Resolvekeytechnicalissues,energysavingandenvironmentfriendly.ImprovingproductreliabilityexploretherolleropenShearerinopencastmineapplication.ThesecondpartisoftherolleropenShearerplacedcloseinstitutionsdesign,thedesignplacedclosetotheprogram,Accordingtoitsprinciplesandpractices,designareasonableplacedcloserange,therealizationofswing,Supportingformsandconnectivity.KeywordsopencastmineDrumShearerSwingagencies

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