中北大学成人教育学院2011届毕业设计说明书
目 录
前言.................................................................. Ⅰ
1. 带式输送机概述．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．1
2. 本次设计总体方案 ....................................................9
2.1带式输送机的组成..................................................9
2.2布置方式.........................................................10
2.3带式输送机的整体结构............................................ 11
3. 标准部件的选择......................................................12
3.1输送带的选择.................................................... 12
3.2输送量计算...................................................... 13
3.3选择传动型式与驱动装置.......................................... 13
3.4头部传动滚筒的选择...............................................13
3.5尾部改向滚筒的选择...............................................14
3.6托辊的选择.......................................................15
3.7其他部件的选择...................................................15
4. 输送机受力分析...... ................................................16
4.1圆周驱动力分析...................................................16
4.2主要阻力.........................................................16
4.3附加特种阻力计算.................................................18
4.4总阻力...........................................................19
5. 电动机的选择和功率的计算............................................20
5.1电动机的选择.....................................................20
5.2分配各级传动比、各轴功率的计算...................................22
6. 减速器的设计........................................................25
6.1高速级齿轮传动的设计计算.........................................25
6.2低速级齿轮传动的设计计算.........................................27
6.3轴和联轴器的设计.................................................29
6.4确定轴的结构，校核轴的强度.......................................31
6.5高速轴轴承的选择、校核...........................................39
6.6中间轴轴承选择、校核.............................................40
6.7低速轴轴承的选择、校核............................................40
6.8键和联轴器的校核.................................................41
6.9箱体的设计.......................................................42
6.10润滑、密封、公差及附件...........................................43
7. 张力计算............................................................47
7.1输送带张力的满足条件.............................................47
7.2输送带不打滑条件校核.............................................47
7.3输送带下垂度校核.................................................48
参考文献. ...........................................................50
致谢.................................................................51
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中北大学成人教育学院2011届毕业设计说明书
目 录
前言.................................................................. Ⅰ
1. 带式输送机概述．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．1
2. 本次设计总体方案 ....................................................9
2.1带式输送机的组成..................................................9
2.2布置方式.........................................................10
2.3带式输送机的整体结构............................................ 11
3. 标准部件的选择......................................................12
3.1输送带的选择.................................................... 12
3.2输送量计算...................................................... 13
3.3选择传动型式与驱动装置.......................................... 13
3.4头部传动滚筒的选择...............................................13
3.5尾部改向滚筒的选择...............................................14
3.6托辊的选择.......................................................15
3.7其他部件的选择...................................................15
4. 输送机受力分析...... ................................................16
4.1圆周驱动力分析...................................................16
4.2主要阻力.........................................................16
4.3附加特种阻力计算.................................................18
4.4总阻力...........................................................19
5. 电动机的选择和功率的计算............................................20
5.1电动机的选择.....................................................20
5.2分配各级传动比、各轴功率的计算...................................22
6. 减速器的设计........................................................25
6.1高速级齿轮传动的设计计算.........................................25
6.2低速级齿轮传动的设计计算.........................................27
6.3轴和联轴器的设计.................................................29
6.4确定轴的结构，校核轴的强度.......................................31
6.5高速轴轴承的选择、校核...........................................39
6.6中间轴轴承选择、校核.............................................40
6.7低速轴轴承的选择、校核............................................40
6.8键和联轴器的校核.................................................41
6.9箱体的设计.......................................................42
6.10润滑、密封、公差及附件...........................................43
7. 张力计算............................................................47
7.1输送带张力的满足条件.............................................47
7.2输送带不打滑条件校核.............................................47
7.3输送带下垂度校核.................................................48
参考文献. ...........................................................50
致谢.................................................................51
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