陕西理工学院毕业设计I除尘机专用传动装置设计王维平(陕西理工学院机械工程学院机自091班,陕西汉中723003)指导老师:张国海[摘要]:少齿数齿轮是一种采用大变位系数的渐开线圆柱齿轮,最少齿数可达1,含有少齿数齿轮的传动称为少齿数齿轮传动。这种传动具有单级传动比大、结构紧凑、重量轻、体积小等多个明显优点,具有良好的推广应用价值。本设计是在对少齿数齿轮传动技术进行较为系统研究的基础上,将该技术应用到除尘机的专用传动装置设计中。设计出一个除尘机专用的少齿数双变位圆柱斜齿轮减速器,初步完善少齿数齿轮传动的理论基础,找到一种高效、快捷、科学合理的设计方法,优化少齿数齿轮减速器的结构,方便拆卸与安装。[关键词]:少齿数齿轮、变位系数、双变位、渐开线、圆柱斜齿轮、减速器、设计方法、优化结构设计陕西理工学院毕业设计IDustremovalmachinededicatedtransmissiondevicedesignWangWeiping(Grade09,Class01,Majormachinery,ShaanxiUniversityofTechnology,Hanzhong72300x,Shaanxi)Tutor:ZhangGuohaiAbstract:fewteethgearisakindofusinglargedeflectioncoefficientofinvolutecylindricalgear,theminimumnumberofteethcanbeupto1,withfewteethgeartransmissionisreferredtoasfewteethgeartransmission.Thisdrivehasasinglestagelargetransmissionratio,compactstructure,lightweight,smallvolume,andotherobviousadvantages,hasgoodpopularizationandapplicationvalue.Thisdesignisbasedonfewteethgeartransmissiontechnology,onthebasisofasystematicstudyonthetechnologyusedinthedesignofthedustremovalmachinededicatedtransmissiondevice.Designafewteethcleaningmachinededicateddoubledisplacementofcylindricalhelicalgearreducer,fewteethgeartransmissionofthepreliminarytheoreticalbasis,tofindakindofefficient,fast,scientificandreasonabledesignmethods,optimizationoffewteethgearreducerstructure,convenientdisassemblyandinstallation.Keywords:fewteethgear,displacementcoefficientanddoubledeflection,involutecylindricalbevelgear,gearreducer,designmethods,optimizationofstructuredesign.陕西理工学院毕业设计II本科毕业设计任务书院(系)机械工程学院专业班级机械设计制造及其自动化(机自091)学生姓名王维平一、毕业设计题目除尘机专用传动装置设计二、毕业设计工作自__2012___年__11_月_19_日起至__2013_年6月20日止三、毕业设计进行地点:校内四、毕业设计内容要求:1.选题的背景及研究的意义少齿数齿轮是一种采用大变位系数的渐开线圆柱齿轮,最少齿数可达1,含有少齿数齿轮的传动称为少齿数齿轮传动。这种传动具有单级传动比大、结构紧凑等特点,具有良好的推广应用价值。某除尘机要求减速比很大,采用其他成熟减速传动无法满足工程要求。本设计在对少齿数齿轮传动技术进行较为系统研究的基础上,将该技术应用到除尘机的专用传动装置设计中。2.设计参数功率:300w;输入转速:1460rpm;传动比:4751。3.应完成的主要工作(1)了解除尘系统工作原理和结构;(2)装拆样机,观察和分析结构;(3)根据设计参数,设计一除尘机用多级少齿数齿轮减速器;(4)绘制装配图和零件工作图;(5)整理设计计算说明书1份。指导教师张国海系(教研室)机械设计制造及其自动化系(教研室)主任签名批准日期2012-11-18接受设计任务开始执行日期学生签名王维平陕西理工学院毕业设计III目录引言............................................................................................................................................11.1课题背景......................................................................................................................11.2国内外发展现状..........................................................................................................21.3发展局势......................................................................................................................31.4.应用领域...................................................................................................................31.5本设计拟解决的主要问题.......................................................................................31.6解决思路...................................................................................................................41.7本设计的实施方案.....................................................................................................4第一部分除尘机的工作原理和结构.......................................................................................51.1工作原理.......................................................................................................................51.2除尘机结构...................................................................................................................6第二部分拆装样机并分析少齿数变位斜齿轮传动的原理和优点.......................................72.1样机整体结构...............................................................................................................72.2拆卸样机.......................................................................................................................72.3少齿数变位斜齿轮传动原理及优点.........................................................................13第三部分少齿数齿轮减速器设计.........................................................................................163.1传动比分配.................................................................................................................163.2齿轮的设计.................................................................................................................163.3轴的设计.....................................................................................................................363.4滚动轴承型号的确定.................................................................................................383.5键连接设计.................................................................................................................383.6箱体设计.....................................................................................................................39陕西理工学院毕业设计IV3.7润滑密封设计.............................................................................................................403.8联轴器设计.................................................................................................................413.9电机及驱动器选型.....................................................................................................42致谢...........................................