本科毕业设计（论文）通过答辩

目 录

摘要 ······················································································································· 1

关键词 ··················································································································· 1

1绪论 ···················································································································· 3

1.1课题研究的背景和意义 ················································································ 3

1.2我国秸秆切碎机的发展 ················································································ 3

1.2.1我国切碎机的技术发展状况 ···································································· 3

1.2.2我国切碎机生产企业的状况 ···································································· 4

1.3设计要求 ········································································································ 4

2秸秆切碎机的整体设计 ···················································································· 4

2.1设计方案的选择 ···························································································· 4

2.1.1切碎机的主要种类 ···················································································· 4

2.1.2秸秆切碎机的整体设计 ············································································ 5

2.2预期结果 ········································································································ 6

3主要技术参数的确定和计算 ············································································ 7

3.1飞刀数量的确定 ···························································································· 7

3.2 飞刀伸出量的确定 ························································································ 8

3.3电动机的选型 ································································································ 9

4主要部件的设计计算 ························································································ 9

4.1带传动的设计计算 ························································································ 9

4.1.1切碎机主轴V带传动的计算 ···································································· 9

4.1.2减速器V带轮的计算 ·············································································· 11

4.1.3带轮的设计 ······························································································ 13

4.2减速器的设计 ······························································································ 14

4.2.1减速器的计算 ·························································································· 14

4.2.2确定减速器的型号 ·················································································· 14 本科毕业设计（论文）通过答辩

2 4.3链传动的设计计算 ······················································································ 15

4.3.1链传动的计算 ·························································································· 15

4.3.2链轮的基本参数和主要尺寸 ·································································· 16

4.4切碎机主轴的设计计算 ·············································································· 16

4.4.1切碎机主轴的计算 ·················································································· 16

4.4.2切碎机主轴的结构设计 ·········································································· 17

4.4.3切碎机主轴的校核 ·················································································· 18

4.4.4滚动轴承的校核 ······················································································ 21

4.5输料机构的设计 ·························································································· 22

4.5.1输料压辊的设计 ······················································································ 22

4.5.2进料槽的设计 ·························································································· 23

4.6刀盘部分的设计 ·························································································· 23

4.6.1动刀的设计 ······························································································ 23

4.6.2锤片的设计 ······························································································ 23

5其他辅助部件的设计 ······················································································ 25

5.1搓板的设计 ·································································································· 25

5.2出料斗的设计 ······························································································ 25

5.3机架的设计 ·································································································· 25

6总结 ·················································································································· 25

参考文献 ············································································································· 26

致谢 ····················································································· 错误！未定义书签。

附录 ····················································································································· 31