Elastic coupling is commonly used in roating machinery for connecting two shafts and delivering the power, for example, the spline coupling between engine and reducer or hydrodynamometer.

摘弹性联轴器作为航空发动机、减速器、动力装置或者功率收装置之间的连接结构，在实际工作中会遭遇到因振动造成事故的发生。