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摩擦轉動機構

2014-08-21 17:04 作者:管理員11 來源:未知 瀏覽: 字號:

摘要:勻速轉動機構 主動件和從動件均作勻速轉動的機構稱為勻速轉 動機構?煞侄▊鲃颖绒D動機構和可變傳動比轉動機 構兩類。 定傳動比轉動機構 摩擦傳動機構 1)擦輪傳動機構圖11.2-1所示摩攘輪傳動 機構由主動輪1通過中間滾輪2帶動從動輪3作勻速 轉動。滾輪2可自動

勻速轉動機構
    主動件和從動件均作勻速轉動的機構稱為勻速轉
動機構?煞侄▊鲃颖绒D動機構和可變傳動比轉動機
構兩類。
定傳動比轉動機構
摩擦傳動機構
    1)擦輪傳動機構圖11.2-1所示摩攘輪傳動
機構由主動輪1通過中間滾輪2帶動從動輪3作勻速
轉動。滾輪2可自動調節壓緊力,能可靠的楔入1和
3之間。為保證機構正常工作,應使最小章擦系數f
和α、β角值保持下列關系,當a≠0度、β≠0度時
摩擦輪轉動機構
不考慮滾輪間的滑動,其傳動比應為

    2)內滾輪機構圖11.2-2所示內滾輪機構以雙
臂曲柄1作主動件,通過曲柄兩端的滾輪2驅動從動
輪3繞固定軸03與主動件同向勻速轉動。滾輪中心
A, B相對圓盤3的運動軌跡為擺線Y,是圓盤內側
曲線β的等距線,兩線相距滾輪半徑r。該機構主、
內滾輪機構

(責任編輯:laugh521521)
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