二级圆锥-斜齿圆柱齿轮减速器.doc

42设计说明书课题：二级圆锥-圆柱齿轮减速器子课题:同课题学生姓名:专业机电一体化学生姓名黄友金班级学号指导教师完成日期2009年3月二级圆锥-圆柱齿轮减速器摘要减速器是各类机械设备中广泛应用的传动装置。减速器设计的优劣直接影响机械设备的传动性能。减速器是原动机和工作机之间的独立的闭式传动装置，用来降低转速和增大转矩，以满足工作需要，在某些场合也用来增速，称为增速器。选用减速器时应根据工作机的选用条件，技术参数，动力机的性能，经济性等因素，比较不同类型、品种减速器的外廓尺寸，传动效率，承载能力，质量，价格等，选择最适合的减速器。减速器的类别、品种、型式很多，目前已制定为行（国）标的减速器有40余种。减速器的类别是根据所采用的齿轮齿形、齿廓曲线划分；减速器的品种是根据使用的需要而设计的不同结构的减速器；减速器的型式是在基本结构的基础上根据齿面硬度、传动级数、出轴型式、装配型式、安装型式、联接型式等因素而设计的不同特性的减速器。与减速器联接的工作机载荷状态比较复杂，对减速器的影响很大，是减速器选用及计算的重要因素，减速器的载荷状态即工作机（从动机）的载荷状态，通常分为三类：①—均匀载荷;②—中等冲击载荷;③—强冲击载荷。本文主要二级圆锥-圆柱齿轮减速器的设计，设计中存在不足的请大家给予意见和建议。目录摘要························································································2一、设计任务书······································································6一、设计题目········································································6二、原始数据········································································6三、设计内容和要求······························································6二、传动方案的拟定·····························································7三、电动机的选择··································································71.选择电动机的类型·······························································72.选择电动机功率···································································73.确定电动机转速···································································8四、传动比的计算1.总传动比·········································································82.分配传动比······································································8五、传动装置运动、动力参数的计算1.各轴的转速············································································82.各轴功率计············································································83.各轴转矩················································································9六、传动件的设计计算一、高速级锥齿轮传动的设计计算················································91.选择材料、热处理方式和公差等级·············································92.初步计算传动的主要尺寸··························································93.确定传动尺寸················