玉米脫粒機(jī)的論文定稿
- 文件介紹：
- 該文件為 doc 格式，下載需要 1 積分
- 緒論........................................................................1
1.玉米脫粒機(jī)總體設(shè)計方案...................................................1
1.1設(shè)計任務(wù)分析.............................................................2
1.1.1總功能確定.............................................................2
1.2功能分析.................................................................2
1.2.1功能分析...............................................................2
2.電動機(jī)的選擇..............................................................2
2.1電動機(jī)的轉(zhuǎn)速.............................................................2
2.2確定電機(jī)工作效率….......................................................4
2.3確定電機(jī)的型號...........................................................4
3.帶輪與傳動帶的設(shè)計........................................................5
3.1帶輪材料的選擇...........................................................5
3.2帶輪的結(jié)構(gòu)設(shè)計...........................................................5
3.2.1主動輪的結(jié)構(gòu)設(shè)計......................................................5
3.2.2從動帶輪的設(shè)計........................................................6
3.3傳動帶的設(shè)計............................................................7
4.軸的設(shè)計................................................................10
4.1軸材料的選擇............................................................10
4.2軸結(jié)構(gòu)的基本要求........................................................10
4.3根據(jù)軸向定位的要求確定軸的各段直徑和長度................................12
4.4 初步選擇輸出軸系.......................................................12
4.5確定輸出軸上的圓角半徑 值...............................................12
4.6按彎扭合成條件校核軸的強(qiáng)度..............................................12
4.6.1作軸的簡圖............................................................12
4.6.2 求輸出軸上的所受作用力的大小.........................................12
4.6.3釘齒條上的合力........................................................12
4.6.4軸上水平面內(nèi)所受支反力如圖............................................13
4.6.5軸在垂直面內(nèi)所受的支反力..............................................13
4.6.6 作彎矩圖.............................................................13
4.6.7作彎矩圖.............................................................14
4.6.8作當(dāng)量彎矩圖（彎矩、扭矩合成圖）.....................................14
4.7 校核軸的強(qiáng)度..........................................................15
4.8軸承座的設(shè)計..........................................................16
5.釘齒滾筒的設(shè)計.........................................................16
5.1釘齒條的總體結(jié)構(gòu)設(shè)計...................................................16
5.2釘齒條及釘齒的設(shè)計......................................................17
5.2.1釘齒的設(shè)計............................................................17
5.3 圓盤的設(shè)計 ............................................................17
6.玉米脫粒機(jī)的安全操作.....................................................18
6.1超速運(yùn)轉(zhuǎn),機(jī)械“爆炸”...................................................18
6.2禁止過疲勞或酒后操作....................................................18
7.玉米脫粒機(jī)的維護(hù).......................................................29
7.1玉米脫粒機(jī)的技術(shù)保養(yǎng)...................................................20
7.2玉米脫粒機(jī)的保管........................................................20
結(jié)論......................................................................20
致謝......................................................................21
參考文獻(xiàn)...................................................................21
...
熱門關(guān)鍵詞： 
