怎么读懂轮系的结构简图?

2024年11月15日 03:25
有3个网友回答
网友(1):

  轮系的结构简图:

  http://wenku.baidu.com/link?url=0oSpvKMOZ5EqnqwPHIIK-m7wwY4REB0OR8QpjBCGtFryFJVd4g7vwvZXI9v3hXNgsLvS-jfRXrxTm0qdjKACZxWzaCXmHJSAehwijIaS2ZW

网友(2):

定轴轮系:当轮系运转时,各个齿轮的轴线相对机架的位置都是固定的,这种轮系就称为定轴轮系,如下图所示:

周转轮系如下图所示,轮系运动时,齿轮2的轴线绕齿轮1的固定轴线转动。这种至少有一个齿轮的几何轴线绕另一个齿轮的固定几何轴线转动的轮系,叫做周转轮系。

扩展资料

定轴轮系主要适用于下列情况:

1、大的传动比。一般一对齿轮的传动比不宜过大,例如要求实现传动比为100,若仅用一对齿轮,则大轮直径将为小轮直径的100倍,若采用三级的轮系,则大轮直径可大为减小。

2、较大的轴间距。如两轴距离较大,采用一对齿轮传动,则两齿轮直径势必很大。若在中间加一个或几个齿轮,齿轮尺寸即可缩小。

3、变速或变向,用变速机构改变轮系的传动比(见变速器)以实现变速;或设置中间轮以改变从动轴的转向。这种只改变从动轮转向不改变原传动比大小的中间轮称为惰轮。

4、用一个主动轴带动若干要求不同转速、转向的从动轴,或用若干从动轴带动同一主动轴。定轴轮系的效率等于串联的各对齿轮传动效率的连乘积。

网友(3):

不是,X表示齿轮是固定在轴上的。 ,

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