The hypoid gear is in common use today due mainly to the fact that the offset pinion allows the propeller shaft to be set below, (for cars) or above, (for commercial vehicles) the crown wheel center.

现在的主减速器普遍使用准双曲面圆锥齿轮，这主要是因为 主动锥齿轮的偏移允许轿车上传动轴布置得比从动锥齿轮低 一些，而商用车上又允许布置得比从动锥齿轮高一些。

youdao