同濟大學機械設計V帶輪設計說明書

1、機械設計（機械設計基礎）課程設計說明書設計題目 驅動離心v帶鼓風機的傳動 機械工程 院（系） 機械設計制造及其自動化 專業(yè)班級 * 學號 * 設計人 *指導老師 奚鷹 完成日期 2013年4月12日同濟大學目錄1 設計任務書·······························&#

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3、183;························12、 電動機的選擇·······················

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5、3;·····························13、 v帶傳動設計1.確定計算功率·················

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7、3;·····································22.選擇v帶的帶型···········

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9、······································23.確定v帶的基準直徑并驗算帶速·········&

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11、#183;··········24.確定v帶的中心距和基準長度····································

12、83;·······························35.驗算小帶輪上的包角················

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14、83;·····36.計算帶的根數(shù)···········································

15、······························47.計算單根v帶的初拉力的最小值·················&

16、#183;··································48.計算壓軸力··············

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18、;····················54、 v帶輪結構設計1.v帶輪的材料··························

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20、3;·············52.v帶輪的結構形式···································

21、;····························53.v帶輪的槽型····················&#

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23、183;·······54.v帶輪的尺寸·········································

24、;·····························55、 小帶輪裝配圖···················&

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26、#183;······························66、 設計小結··················

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28、;············································67、 參考文獻····

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31、83;·····71、 設計任務書 1.題目： 設計驅動離心鼓風機的v帶傳動。 如圖所示，主動帶輪1裝在電動機軸上，從動輪2裝在鼓風機軸上，兩帶輪中心的水平距離a等于大帶輪直徑d2的2倍。 2.已知條件作業(yè)題號電動機型號鼓風機轉速n2一天工作時間（h）1y100l2-480016 3.v帶傳動設計內容 選擇帶的型號、確定基準長度、根數(shù)、中心距、帶輪的材料、基準直徑以及結構尺寸、初拉力和壓軸力。2、 電動機的選擇電動機型號額定功率（kw）滿載轉速（r/min）質量（kg）y100l2-43142038 由參考文獻(2)表20-1查得電動機主軸直徑d=28mm，長度e=60mm。3、 v帶傳動設計設計計算及說明結果1.確定計算功率pca 由參考文獻1表8-7查得工作情況系數(shù)ka=1.1，故 pca=kap=1.1×3kw=3.3kw2.選擇v帶