KG920A/YC920A Reinforced Semi-hydraulic Surface DTH Drilling Rig keeps the characteristics of KY125 drilling rig, including simple structure and stable performance, and optimizes and upgrades hydraulic system, traveling part and gyrator, resulting in fast rotation and advance speed, longer service life of motor, and better reliability.
Technical Parameters of KG920A/YC920A Reinforced Semi-hydraulic Surface DTH Drilling Rig
Rock rigidity |
f=6-20 |
Total weight |
4000kg |
|
Drilling diameter |
φ80-115mm |
Guide tilt |
Look down135° Looking up 5° Altogether 145° |
|
Economic drilling depth |
25m |
Guide swinging angle degrees |
Left 100° right 45° Altogether 145° |
|
Rotation speed |
0-70r/min |
Drill boom pitch angle |
Look down50° Looking up 25° Altogether 75 |
|
Rotary torque |
1400N.m |
Drill boom arm angle |
Left 44° right 45° Altogether 89° |
|
Lifting force |
15000N |
GuideCompensation length |
900mm |
|
Propulsion mode |
Cylinders - Chain |
Power |
YC2108(33kW2200r/min) |
|
Feed length |
3000mm |
Drill rod |
φ64x3000mm |
|
Climbing capacity |
30° |
Pression d’air de travail |
1.0-1.7Mpa |
|
Ground clearance |
290mm |
Air consumption |
9-16m³/min |
|
|
Comparison after improvement |
|||
KG920A |
KY125 |
Remark |
|
Traveling part |
Motor+ reducer structure |
Direct connection with steel ball motor |
Reduce motor pressure and increase life time of the motor |
Traveling pressure |
11MPa |
14-16MPa |
|
Drill boom |
New boom |
Drill horizontal, vertical hole, horizontal hole in low height |
|
Hydraulic system |
30 Pump, fast rotary/ fast lift valve, new diverter valve, dérivable. |
19.2Pump |
Increase traffic, reduce drag, trim appearance |
Gas line system |
Live valve shock valve |
Ball valve |
Good maneuverability |
Rotation speed |
83r/min(Diesel engine1700r/min) |
55r/min(1700r/min) |
Improve 50% |
Advancing speed |
450mm/s |
336mm/s |
Improve 33% |