It is economic, efficient and energy-saving to use motor as the turning power.
It adopts cycloidal pin wheel speed reducer with straight-tooth transmission to realize large rotation torque and high drilling efficiency.
Novel overload protection enables the drill to operate stably and reliably.
Technical Parameters of KQD70B DTH Drillingrig
Drilling diameter(mm) |
60-80 |
Depth of blast hole(m) |
≥15 |
Rotation speed(rpm) |
0-125 |
Pression d’air de travail(MPa) |
0.5~0.7 |
Drill rod specification (mm) |
40x1000 |
Air consumption(m^3/min) |
≥3.5 |
Lifting force(N) |
4000 |
Remark/Electric motor |
(3kW) |