The column hydraulic rotary drilling rig has the following characteristics:
This machine has strong torque feed and drilling rod pulling ability, and a wide range of rotary drilling speed adjustment.
Adopting hydraulic jacking columns, it is lightweight, compact in structure, and suitable for drilling in various tunnels.
Using diamond composite drill bits, it has high force, strong rock breaking ability, and good drilling stability.
The fast insertion ventilation water drill rod produced by the new process is easy to replace, has low wear, and high strength.
This machine is suitable for large-diameter gas drainage boreholes in coal mines or large-diameter near horizontal boreholes and vertical boreholes used in surface engineering.
