悬臂式斗轮堆取料机设计说明书.doc
目录1概述.11.1斗轮堆取料机简介.21.2斗轮堆取料机分类.31.3斗轮堆取料机市场需求.41.4斗轮堆取料机国内发展现状.51.5斗轮堆取料机的研究方向.81.6设计课题及选题意义.102总体设计.122.1总体设计概述.122.2悬臂式斗轮取料机构成.122.3悬臂式斗轮取料机的主要参数及其确定.132.3.1取料的理论生产率.132.3.2斗轮取料时每层深度.142.3.3料堆高度.142.3.4料堆长度.142.4悬臂式斗轮取料机的工作性能参数及其确定.142.4.1斗轮直径的确定.142.4.2铲斗数目Z的确定.152.4.3斗距a的确定.152.4.4铲斗容量q的确定.152.4.5斗轮切割速度Vc的确定.163部件设计.173.1悬臂式斗轮取料机构设计.173.1.1斗轮取料机构构成.173.1.2斗轮驱动电机选用.193.1.3液力偶合器选用.203.1.4销齿传动设计.213.1.5斗轮轴的设计及校核.263.2上车回转机构设计.303.2.1回转机构选型.303.2.2回转机构设计.333.2.3齿轮轴设计及校核.363.2.4小齿轮校核.393.2.5回转支承的日常维修.413.3带式输送机选型设计.423.3.1带式输送机特点.423.3.2带式输送机的驱动装置.433.3.3带速的确定.463.3.4滚筒直径的确定.473.3.5托辊的选型.483.3.6张紧装置的选用.493.3.7制动装置.493.4变幅机构.493.5配重的安装.493.6行走机构.504悬臂式斗轮取料机的控制系统设计.544.1取料机的工艺流程.544.2控制流程图.574.3控制工作原理.584.3.1控制过程简介.584.3.2传感器选用.58总结.60参考文献.61附录.62致谢.65摘要悬臂式斗轮取料机堆取料机械中的一种,它广泛应用于港口、内陆的散料场所,主要用于取煤和矿石。悬臂式斗轮取料机主要由金属结构、臂式输送机、回转机构、行走机构、斗轮机构、润滑装置、电气系统和安全装置组成。工作时,取料机沿着轨道行进,并能改变臂架的角度。悬臂式斗轮取料机是由斗轮挖掘机发展而来,它能与堆料机和输送机一起组成自动运输系统,随着国民经济的快速发展,对取料机的需求也越来越大。本文章主要是对斗轮机构和回转机构的设计,它们都是取料机的重要组成部分。斗轮机构主要是通过销齿传动来驱动斗轮的转动,这种传动方式具有结构简单、加工容易、造价低、拆修方便的优点。在回转机构中,关键是回转支承。回转机构的工作原理是小齿轮与回转支承的大齿轮啮合来带动整个回转体的转动,所以本文章将对回转支承进行选型并对小齿轮进行设计。本文还对相对于斗轮取料能力进行了输送机的选型。因为悬臂式斗轮取料机比较容易实现自动控制,所以本文章采用PLC进行对取料过程的控制。PLC是个无触点装置,通过改变程序就可以改变生产工艺,PLC已成为工厂自动化的强有力工具,得到了广泛的普及及推广应用,它具有可靠性高,抗干扰能力强,编程直观、简单的优点。关键词:悬臂式斗轮取料机;斗轮机构;回转机构,PLCABSTRACTTheCantileverofBucketWheelReclaimerisoneoftheBucket-WheelReclaimer,andiswidelyusedtoreclaimbulkcargosuchascoalandoreininnerlandanddock,whichwascomposedofmechanismsanddecicesofsteelstructure,jibbeltconveyor,luffingmechanism,slewingmechanism,travlingbridge,bucketwheel,lubrication,electricalequipmentandsafetyaidingdevices.Itcanmovealongrailswiththeabilitytoslewjib,whichcanchangeamplitude.TheCantileverofBucketWheelReclaimerisevolvesinthebucket-wheelexcavator,andcanmakeupthemechanizedtransportsystemwiththeBucket-WheelStakerandbletconveyor.Withtheprogressofeconomy,theneedoftheCantileverofBucketWheelReclaimerismoreandmore.Thispaperismainaboutthedesigningofthestructureofthebucketwheelandtheslewingmechanism,whichareallveryimportanttotheReclaimer.Inthispaper,thedrivingbetweenthepingearandpinionisusedtodrivethebucketwheelrun,thismethodhavesomeadvantage,forexample,itsstructureisuncomplicated,soitiseasytomanufacture,andthecostislower.Alsoitiseasytotakedownandrepair.Intheslewingmechanism,thekeyistherotorsupport.Thetheoryistheactionbetweentherotorsupportandthepinion,sothispaperchoosestherotorsupportanddesignsthepinion.Thispaperalsochoosethetypeofconveyorbelts,whichissuittotheabilityofreclaiming.BecauseTheCantileverofBucketWheelReclaimeriseasytoautomate,sothispaperdesignsthemethodofcontrollingthereclaimingcoursewithPLC.PLCisanon-contactequipment,theprocedurescanbechangedtochangeproduction.Ithasbecameapowerfultoolforfactoryautomation,widelypopularreplication.Ithastheadvantageofhighreliability,anti-interferencecapabilityandprogrammingvisual,simple.