毕业设计说明书课题名称台式电风扇摇头装置及传动系统设计分院/专业机械工程学院/机械制造与自动化班级机自1011学号1001433130学生姓名周航指导教师：龚晓群2013年6月1日台式电风扇摇头装置及传动系统设计II┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊摘要电风扇摇头装置设计是从电风扇设计开始的，也是电风扇设计中最重要的部分，对于电风扇的研究，国内外已有不少的研究成果，但在创新这一块做的还不够,还有待进一步完善。本文首先对摇头电风扇的历史和发展现状以及其类型和特点进行了介绍，然后介绍了设计准则,提出方案拟定,并选择最优方案,主要是现有的电风扇摇头装置中平面摇杆机构，包括平面摇杆机构的结构、工作原理、设计原理、设计原则；其次根据已知原动机的转速,分配传动比，选择合适的机构,如蜗轮蜗杆机构以及齿轮机构,根据传动比确定它们的基本参数，设计计算几何尺寸,再次采用图解法,根据已知条件(极位夹角,摇杆速度等)设计平面四杆机构,然后在实验室组建仿真机构模型,观察所设计的尺寸是否满足所需的运动轨迹，再就制作台式电风扇摇头平面机构的计算机动态演示,通过图解法研究各杆件的运动,进行运动分析,最后总结并讲述了电风扇的未来展望。关键词：平面摇杆机构，传动比,蜗轮蜗杆,齿轮传动,运动分析台式电风扇摇头装置及传动系统设计III┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊AbstractFannershakeheaddevicedesignstartsfromthefandesign,aswellasthemostimportantpartofelectricfandesignforelectricfan,hasquiteafewresearchresultsbothathomeandabroad,butininnovationthatisnotenough,itremainstobefurtherimproved.Thisarticlefirsttoshakeheadtofanner'shistoryanddevelopmentstatusanditstypesandcharacteristicsareintroduced,andthenintroducesthedesignprinciples,schemeisproposed,andselecttheoptimalscheme,mainlyexistingfannershakeheaddeviceplanarrockermechanism,includingplanarrockermechanismofstructure,workingprinciple,designprinciple,principleofdesign;Secondly,accordingtotheknownprimemoverspeeddistributionoftransmissionratio,selecttheappropriateinstitutions,suchaswormandwormwheelmechanism,andgearmechanism,accordingtotransmissionratiotodeterminethebasicparameters,designandcalculationgeometry,againUSESgraphicmethod,accordingtotheknownconditions(extremepositionAngle,rockerspeed,etc.)designofplanarfour-barlinkage,inthelaboratoryandthensetupsimulationmodelofinstitutions,characterizethedesignsizewhethertomeettherequiredtrajectory,fromcreatingdesktopfanshookhisheadagaincomputerdynamicdemonstrationofplanarmechanism,bygraphicalmethodresearchofeachbarmovement,movementanalysis,finallysummarizesandtellsthestoryoffanner'sfutureprospects.Keywords:Planarremotesensingmechanism,Transmissionratio,Wormgearandworm,Geartransmission,Motionanalysis台式电风扇摇头装置及传动系统设计IV┊┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊目录第1章绪论.............................................................................................................................................11.1摇头风扇的背景和意义.............................................................................................................11.2电风扇的技术情况.....................................................................................................................11.2.1电风扇的发展.................................................................................................................11.2.2电风扇的前景.................................................................................................................11.3本课题的目的和关键问题.....
