GQ-15 engineering drilling machine is newly designed special for largediameter pile hole drilling, can use forward-circulation and reverse circulationdrilling methods mainly used in drilling large diameter pile for building,skyscraper, dam, harbor, bridge etc. and drilling large diameter well
2.FEATURES:
Big torque, lightweight and compact structure in compare with same kindmachine.
Mast, top-drive head move down or up along with, strength andrigidity.
Top-drive head has large inner diameter (182×182mm).
Reverse-circulation drilling if equipped with necessary equipment as well asforward-circulation drilling.
Strength, five forward speeds and onereverse speed, suitable for drilling a variety of rock, easy to handle accidentshappened in hole.
Top-drive head is equipped with hand-powered chuck,square driving stem, large stroke, drilling efficiently.
Hydraulic feed,big pull and push force easy to make pressure and depression drilling.
Hydraulic retracting stroke is 1150mm, easy to lower and hoist drillingtools.
Walking device, easy to move and find accurate holeposition.
Reasonable arrangement, easy to operate, smooth.
Can beequipped with special derrick if user needs
Mast, top-drive head move down or up along with, strength andrigidity.
Top-drive head has large inner diameter (182×182mm).
Reverse-circulation drilling if equipped with necessary equipment as well asforward-circulation drilling.
Strength, five forward speeds and onereverse speed, suitable for drilling a variety of rock, easy to handle accidentshappened in hole.
Top-drive head is equipped with hand-powered chuck,square driving stem, large stroke, drilling efficiently.
Hydraulic feed,big pull and push force easy to make pressure and depression drilling.
Hydraulic retracting stroke is 1150mm, easy to lower and hoist drillingtools.
Walking device, easy to move and find accurate holeposition.
Reasonable arrangement, easy to operate, smooth.
Can beequipped with special derrick if user needs
TechnicalSpecifications
large dia.water well drilling rig | ||
hole dia (mm) | 600-1500 | |
drilling capacity (m) | 100-50 | |
top drive head speeds(r/min) | forward | 13.5;22.8;40.19;63.9;98.5 |
reverse | 12.85 | |
max torque (N.m) | 22100 | |
top drive head inner hole (mm) | 182182 | |
top drive head max pull force(KN) | 27 | |
top drive head max push force(KN) | 98.3 | |
top drive head stroke(mm) | 1000 | |
hoist lift capacity with singlerope(KN) | 48 | |
retracting distance(mm) | 790 | |
oil pump | SCB32/12 twin-gear oil pump | |
power unit | electric motor | Y225S-4 37KW |
diesel engine | 2135AG 50Hp | |
overal dimensions(L*W*H)mm | 3620×1880×2704 | |
drill body weight(excluding power)kg | 5900 | |
