本科机械毕业设计论文 CAD 图纸 QQ 401339828
目 录
摘 要................................................................................................................................................1
Abstract ..............................................................................................................................................2
目 录................................................................................................................................................3
第一章 绪 论....................................................................................................................................5
1.1 前言................................................................................................................................5
1.2 抹灰机的研究现状与发展趋势 .......................................................................................5
1.3 抹灰机的背景 ...................................................................................................................6
1.4 抹灰机的工作特点 ...........................................................................................................6
1.5 抹灰机的适用范围 ............................................................................................................7
第二章 总体方案和结构设计..........................................................................................................8
2.1 总体结构方案 ...................................................................................................................8
2.2 输料装置 ...........................................................................................................................9
2.3 抹灰装置 .........................................................................................................................10
第三章 减速器各部件的设计......................................................................................................13
3.1 传动比的分配及转速校核 ..............................................................................................13
3.2 减速器各轴转速，功率，转矩的计算 ..........................................................................13
3.2.1 各轴转速 ..............................................................................................................13
3.2.2 各轴的输入功率 ..................................................................................................14
3.3.3 各轴输入转矩 ......................................................................................................14
3.3 蜗轮蜗杆设计 ..................................................................................................................14
3.3.1 选择材料 ..............................................................................................................14
3.3.2 按齿面接触疲劳强度计算进行设计 ..................................................................14
3.3.3 蜗杆与蜗轮的主要参数与几何尺寸确定 ..........................................................16
3.3.4 校核齿根弯曲疲劳强度 ......................................................................................17
3.3.5 求蜗杆圆周速度并校核效率 ..............................................................................17
3.3.6 计算蜗杆传动主要尺寸 ......................................................................................17
3.3.7 蜗轮蜗杆的结构设计 ..........................................................................................18
3.3.8 热平衡校核 ..........................................................................................................18
3.4 齿轮齿条设计 ..................................................................................................................19
3.4.1 选择材料 ..............................................................................................................19
3.4.2 按齿面接触强度计算设计 ..................................................................................19
3.5 蜗杆轴的设计 ..................................................................................................................22
3.5.1 扭矩初算轴径 ......................................................................................................22
3.5.2 轴的结构设计 ......................................................................................................23
3.6 输出轴的设计计算 ..........................................................................................................24
3.6.1 输出轴上的功率，转速和转矩： ......................................................................24
3.6.2 求作用在蜗杆上的力 ..........................................................................................24
3.6.3 初步确定轴径的最小直径 ..................................................................................24
3.6.4 轴的结构设计 ......................................................................................................25
