The adopting of the vibra-cutting mechanism provides a new way for roadheader to cut hard stone,but the existing vibra-cutting mechanism has some defects which restrict its wide application.

• 采用振动截割技术为臂式掘进机切割硬岩提供了一种新方法,但目前研制的振动截割机构存在一些缺陷,限制了它的广泛应用。