Rotation Unit, Unit and Method for Drilling Rock Drill.

摘要

A rotating Unit, Unit of Rock Drill and Method for Drilling Rock, the rotating Unit comprises a Main Shaft which is rotated around its longitudinal Axis by means of a motor rotating Shaft, the main shaft comprises a tubular Outer and Inner Shaft Set Within the Outer Axle,The Outer Shaft is supported on a Body of the rotating unit and is configured to transmit axial forces, where the Inner Shaft is configured for transmitting torque and rotation.