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(一)一般构造在许多传动机械中都装有越速离合器()。它的功用是使主动轴在顺着某一方向转动时能带动被转轴,而在顺着相反方向转动时就不能带动被动轴;因此不论主动轴转动的方向如何变化,被动轴只能顺一定的方向转动,所以又叫做单向离合器。越速离合器的最常用的式样是滚柱式,见[图一]所示。因为这种离合器能传导很大的扭力和很高的转速并且又没有响声,所以它就具有比别种式
(A) The general structure In many transmission machinery are equipped with speed clutch (). Its function is to make the drive shaft can drive the driven shaft when it is rotated in a certain direction, and can not drive the passive shaft when it is rotated in the opposite direction; therefore, the driven shaft can only follow the fixed shaft regardless of the direction of the rotation of the driven shaft The direction of rotation, it is also known as one-way clutch. The most commonly used type of speed clutch is roller type, as shown in Figure 1. Because of this clutch can carry a lot of torque and high speed and no sound, so it has more than other kinds of