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滾柱停止器

2014-10-27 09:45 作者:管理員17 來源:未知 瀏覽: 字號:

摘要:9.2滾柱停止器 9.2. 1結構與工作特點 滾往停止器是各種停止器中較為完善的一種 (圖15.3-73)。如果外圈2固定不動,輪芯I按圖中 箭頭方向旋轉,此時滾柱3在摩擦力作用下,滾向楔 形空間小端,停止器起止逆器作用。如果外圈2以一 定速度反轉,輪芯I就可與外圈同

9.2滾柱停止器
9.2. 1結構與工作特點
    滾往停止器是各種停止器中較為完善的一種
(圖15.3-73)。如果外圈2固定不動,輪芯I按圖中
箭頭方向旋轉,此時滾柱3在摩擦力作用下,滾向楔
形空間小端,停止器起止逆器作用。如果外圈2以一
定速度反轉,輪芯I就可與外圈同向旋轉,但轉速不
可能超過外圈,此時停止器起限速器作用。為了產生
一定的初始摩擦力,裝有彈簧4使滾柱與外圈保持接
觸,如圖15.3-73b所示。滾往停止器的受力情況見
滾柱停止器


d與l的單位為mm
    表15.3-54給出了滾柱表面硬度58一61 HRC時

滾柱停止器的主要尺寸
GN型滾柱逆止器的性能及主要尺寸

(責任編輯:laugh521521)
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