本文介绍了为提高旋挖钻机对较坚硬地层的作业能力而开发的液压振动旋挖钻斗的结构与工作机理，并对激振器等某些核心部件做了简单介绍。%In order to improve the operational capacity of rotary drilling rig on the harder formations, this paper describes the structure and working principle of a new torsional vibration type rotary drilling bucket, and describes the structure of some core components such as the vibration exciter, etc.
展开▼
