桥式起重机大车行进机构设计

图书分类号：密级：毕业设计(论文)桥式起重机大车行进机构设计学生姓名陈振宇学院名称电气信息学院专业名称机械电子工程指导教师张玉林2015年4月25日毕业设计(论文)I摘要当今社会产品更新换代越来越快，为降低生产成本、节约能源、提高生产效率，随着科学技术的发展，先进的电气控制技术和机械技术逐渐应用到起重机械上，使起重机械的自动化程度更加完善、结构日趋简单、性能更加可靠、品种也越来越全。起重机械是以间歇、重复的工作方式，通过取物装置的起升、下降或升降与运移物料的设备。在其工作过程中，经历上料、运送、卸料及返回原处的过程，工作范围较大，危险因素很多。如施工电梯和升降机在用吊笼（或轿厢）输送人员和物料时，被提升在空中的人员、物料等的安全取决于提升钢丝绳和一些安全装置的有效性、可靠性，本文设计一种桥式起重机的大车行进机构的设计，本书收集了有关桥式起重机的各种常用数据和必要的简易计算公式与图表。主要内容包括：起重绳索，辅助工具，电机选择、滑车组，绞车及锚碇，等等。常用数据等关键词：桥式起重机；行进机构；大车机构毕业设计(论文)IIAbstractIntoday'ssociety,productupdatesfasterandfaster,inordertoreducetheproductioncost,saveenergy,improvetheproductionefficiency,withthedevelopmentofscienceandtechnology,advancedelectricalcontroltechnologyandmechanicaltechnologyhasbeengraduallyappliedtothehoistingmachinery,thedegreeofautomationofhoistingmachineryismoreperfect,thestructurebecomesmoresimple,morereliableperformance,varietymoreandthemorefull.Thehoistingmachineryistobatch,repeatedwork,rise,fallortheliftingandtransportofmaterialsthroughthefeedingdeviceoftheequipment.Inthecourseoftheirworkexperience,feeding,transportation,unloadingandreturnprocess,scopeislarger,theriskfactorsofmany.Astheconstructionelevatorandliftinthecage(orcar)transportationofpersonnelandmaterial,wasraisedintheair,thesecuritypersonnelofmaterialdependsonthehoistingropeandsafetydeviceofvalidity,reliability,designthecarttravelingmachinethispaperdesignsakindofbridgecranestructure,thebookcollectionavarietyofcommonlyuseddataonthebridgecraneandsimplecalculationformulaandchartthenecessary.Themaincontentsinclude:theliftingrope,auxiliarytools,motorselection,tackle,winchandanchorage,etc..Commondataetc.Keywords：bridgecranetravelingmechanism;cartmechanism;毕业设计(论文)I目录摘要..................................................................................................................................................IAbstract..........................................................................................................................................II1绪论.............................................................................................................................................11.1起重机的概述........................................................................................................................11.2起重机现状............................................................................................................................22.大车行进机构的设计..................................................................................................................42.1桥式起重机的参数...............................................................................................................42.2运行阻力的计算....................................................................................................................42.2.1静阻力jW......................................................................................................................42.2.2、运行惯性阻力...............................................................................................................52.2.3、总的阻力距...................................................................................................................52.3电动机的选择........................................................................................................................52.4打滑验算................................................................................................................................82.4.1粘着摩檫系数0.............................................................................................................82.4.2驱动轮比与加速度..........................................................................................................92.5减速器计算...........................................................................................................................92.5.1速比..................................................................................................................................92.5.2选用减速器功率............................................................................................................102.6制动器的选择......................................................................................................................102.6.1制动惯性力矩Ma..........................................................................................................102.6.2最小静阻力矩Mjmin......................................................................................................112.7联轴器的选择......................................................................................................................112.7.1联轴器传递扭矩的确定...............................................................................................112.7.2缓冲器的选择...............................................................................................................122.8减速器的设计.....................................................................................................................123.传动系统的设计与校核...............................................................................................