Technical specification of KR220D rotary drilling rig |
Torque |
220 kN.m |
Max. diameter |
1800/2000mm |
Max. drilling depth |
64/51 |
Speed of rotation |
5~26 rpm |
Max. crowd pressure |
210 kN |
Max. crowd pull |
220 kN |
Main winch line pull |
230 kN |
Main winch line speed |
60 m/min |
Auxiliary winch line pull |
90 kN |
Auxiliary winch line speed |
60 m/min |
Stroke(crowd system) |
5000 mm |
Mast inclination(lateral) |
±5° |
Mast inclination(forward) |
5° |
Max. operating pressure |
34.3 MPa |
Pilot pressure |
4 MPa |
Travel speed |
2.8 km/h |
Traction force |
420 kN |
Operating height |
21077 mm |
Operating width |
4300 mm |
Transport height |
3484 mm |
Transport width |
3000 mm |
Transport length |
15260 mm |
Overall weight |
69tonsS |
Engine |
Model |
QSL9 |
Cylinder number*diameter*stroke(mm) |
6*114*145 |
Displacement(L) |
8.9 |
Rated power(kW/rpm) |
232/1900 |
Output standard |
European III |
Kelly bar |
Type |
Interlocking |
Friction |
Diameter |
440mm |
440mm |
Section*length |
4*14000mm(standard) |
5*14000mm(optional) |
Depth |
51m |
64m |