带式输送机传动系统中的一级圆柱齿轮减速器

攀枝花学院交通与汽车工程学院

《机械设设计基础》

课程设计说明书

设计题目：带式输送机传动系统中

的一级圆柱齿轮减速器

专业班级： 2010级机电一体化

学生姓名：***

学生学号： ************

指导教师：**

攀枝花学院交通与汽车工程学院

二0一二年六月十五日

攀枝花学院交通与汽车工程学院 2010级机电一体化 《机械设计基础》课程设计说明书

机械零件课程设计任务书（二）——带式运输机传动系统中的一级圆柱齿轮减速器

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目录

第一章 绪论 ··································································································· ３ 第二章 设计任务书及主要技术参数说明 ······························································· ４

2.1 机械零件课程设计任务书 ····································································· ４ 2.2传动方案分析及主要技术参数说明 ··························································· ５ 第三章 减速器结构选择及相关性能参数计算 ························································· ７

3.1 减速器结构 ························································································ ７ 3.2电动机的选择 ······················································································ ７ 3.3 传动比分配 ························································································ ９ 3.4 动力运动参数计算 ··············································································· ９ 第四章 齿轮的设计计算(包括小齿轮和大齿轮) ··················································· １１

4.1闭式齿轮传动设计 ············································································· １１ 4.2闭式齿轮的设计计算与强度校核 ··························································· １１

4.2.1齿面接触强度设计 ···································································· １１ 4.2.2按齿根弯曲强度的设计公式 ························································ １５ 4.2.3几何尺寸计算 ·········································································· １７ 4.3闭式齿轮的结构设计数据 ···································································· １７ 第五章 轴的设计计算 ···················································································· １８

5.1主动轴（电动机轴）的尺寸设计 ··························································· １８

5.1.1主动轴的材料和热处理的选择 ····················································· １８ 5.1.2主动轴几何尺寸的设计计算 ························································ １９ 5.2传动轴的尺寸设计和强度校核 ······························································ ２４ 5.2.传动轴的强度校核 ············································································ ２９ 5.3传动轴的材料和热处理的选择 ······························································ ３２ 第六章 轴承、键和联轴器的选择 ····································································· ３３

6.1 轴承的选择及校核 ············································································ ３３

6.1.1从动轴承 ················································································ ３３ 6.1.2主动轴承 ················································································ ３４ 6.2 键的选择计算及校核 ········································································· ３５ 6.3 联轴器的选择 ·················································································· ３７ 第七章 减速器润滑、密封及附件的选择确定以及箱体主要结构尺寸的计算 ··············· ３７

7.1 润滑的选择确定 ··············································································· ３７ 7.2 密封的选择确定 ··············································································· ３８ 7.3箱体主要结构尺寸计算 ······································································· ３８ 7.4减速器附件的选择确定 ······································································· ４０ 第八章 链传动 ····························································································· ４１

8.1设计链传动 ······················································································ ４１

8.2计算轴压力

P F ·

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第九章 总结 ································································································ ４４

参考文献 ····································································································· ４７ 部分参照表 ·································································································· ４７