v帶傳動(dòng)設(shè)計(jì)機(jī)械設(shè)計(jì)基礎(chǔ)課程設(shè)計(jì)說明書

1、1目錄一、設(shè)計(jì)任務(wù)書................................................................................................................................2二、確定傳動(dòng)方案.........................................................................

2、...................................................2三、選擇電動(dòng)機(jī)................................................................................................................................3四、計(jì)算傳動(dòng)裝置的總傳動(dòng)比及其分配各級(jí)傳動(dòng)比..........

3、..........................................................4五、傳動(dòng)裝置的運(yùn)動(dòng)和動(dòng)力參數(shù)....................................................................................................4六、V 帶傳動(dòng)設(shè)計(jì).....................................

4、........................................................................................5七、齒輪傳動(dòng)設(shè)計(jì)...........................................................................................................................

5、.7八、高速軸的設(shè)計(jì)..........................................................................................................................10九、低速軸承的設(shè)計(jì).............................................................................

6、.........................................13十、滾動(dòng)軸承的選擇......................................................................................................................16十一、鍵的選擇與校核......................................

7、............................................................................17十二、聯(lián)軸器的選擇......................................................................................................................20十三、減速器附件的選擇及結(jié)

8、構(gòu)尺寸計(jì)算..................................................................................20十四、減速器的潤滑與密封..........................................................................................................28課程設(shè)計(jì)總結(jié).....

9、.............................................................................................................................23參考文獻(xiàn).........................................................................................

10、.................................................233一般常選用轉(zhuǎn)速為 750r/min，1000r/min 或 1500r/min 的電動(dòng)機(jī)作為原動(dòng)機(jī)，傳動(dòng)裝置總傳動(dòng)比為 ，經(jīng)計(jì)算得傳動(dòng)比約為 9.31，12.42、或mwn i n ?18.63 根據(jù)總傳動(dòng)比數(shù)值，可初步擬定出以二級(jí)傳動(dòng)為主的多種傳動(dòng)方案,如圖 1.2 所示。(a)

11、 (b) (c) (d)圖 1.1 帶式運(yùn)輸機(jī)傳動(dòng)方案比較F0 = 173.1N𝑄 = 1711.3𝑁𝜎𝐻𝑙𝑖𝑚1 = 568.4𝑀𝑃𝑎𝜎𝐻𝑙𝑖

12、9898;2 = 531.2𝑀𝑃𝑎[𝜎𝐻1] = 568.4𝑀𝑃𝑎[𝜎𝐻2] = 531.2𝑀𝑃𝑎𝑚 = 2.5𝑚𝑚𝑎 = 135𝑚𝑚&

13、#119887;2 = 67.33𝑚𝑚𝑏1 = 75𝑚57 2 1 ? ? F Y60 1 1 ? ? S Y218 2 2 ? ? F Y77 1 1 ? ? S Y𝜎𝐹𝑙𝑖𝑚1 = 209𝑀𝑃𝑎𝜎𝐹⻕

14、7;𝑖𝑚2 = 201𝑀𝑃𝑎[𝜎𝐹1] = 209𝑀𝑃𝑎[𝜎𝐹2] = 201𝑀𝑃𝑎𝜎𝐹1 = 104.3𝜎𝐹2 = 99.61