ee题目电动自行车新型传动装置设计学生姓名ee学号ee所在学院ee专业班级机械设计制造及自动化指导教师ee完成地点校内2008年6月12日ee电动自行车新型传动装置设计ee（ee）指导教师：ee[摘要]随着全球可持续发展的呼声不断，环保节能成为时代主题。低碳、低耗的的出行工具成为新时代下全世界人民的宠儿。根据目前电动自行车的现状和发展趋势，开发一种合理的新型电动自行车的传动方案；采用一种叠加式双向单作用超越离合器，从而巧妙的实现运动的传递；针对少齿数渐开线齿轮副啮合的特点，找出符合实际的应力计算点，由此建立了接触强度计算公式，公式中定量计入了综合滚动速度和齿面相对滑动系数的影响；应用少齿数齿轮接触强度公式对其进行简单的强度计算。结合所有设计一种可以限速在20KM/H以下，减少事故发生，更加安全出行的电动自行车传动装置。[关键词]电动自行车新型传动装置设计少齿数齿轮应力计算点接触强度计算强度校核eeGeardesignofelectricbicycleXiexiaobo（ee）tutor:eeAbstract：Accordingtotheelectricbicyclepresentsituationanddevelopmenttrendofourcountry,theauthorputsforwardatransmissiontechnologyofgearwithfewteachusedinelectricbicycle,developingareasonableelectricbicycletransmissiondevice;Adoptingasuperpositiontypetwo-waysinglefunctionoverrunningclutch,andskillfulimplementmovementtransmission;Accordingtogearwithfewteachofengagementofcharacteristics,andfindouttheactualstresscalculationpoint,creatingthecontactstrengthcalculationformula,theformulathecomprehensivequantitativeincludedinrollingspeedandtoothfacerelativeslidingcoefficientinfluence;Applythegearwithfewteachcontactstrengthformulaofthesimplecalculationoftheintensity.Keywords：electricbicyclegeardesigngearwithfewteachstresscalculationpointscontactstrengthcalculationstrengthcheckIee目录1引言......................................................12传动方案设计..............................................32.1蓄电池的选择............................................32.1.1蓄电池的选择的类型..................................32.1.2蓄电池的选择.......................................32.2电动机的选择.............................................32.2.1电动机类型的选择....................................32.3联轴器的选择............................................42.3.1联轴器类型的选择....................................42.3.2载荷的计算..........................................42.3.3型号选择...........................................42.4传动方案的确定...........................................53渐开线少齿数圆柱齿轮传动设计计算..........................63.1设计的意义...............................................63.2主要参数的制定...........................................63.2.1齿轮齿数的确定......................................63.2.2齿轮模数的确定......................................63.2.3齿轮端面压力角的确定................................83.2.4齿轮端面啮合角的确定................................83.2.5端面齿顶高系数及顶隙系数的确定......................83.3少齿数齿轮副设计计算结果.................................83.3.1齿轮副..............................................83.3.2小齿轮（齿轮轴）....................................93.3.3大齿轮（齿圈）......................................93.3.4刀具................................................9IIee3.4设计结果校核计算........................................103.4.1齿轮副有关的参数验算...............................103.4.2小齿轮的几何尺寸验算...............................113.4.3大齿轮（齿圈）几何尺寸计算.........................143.5修正设计...
