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 Drilling rig
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) |