APPLICATIONS:
GQ-15 engineering drilling machine is newly designed special for large diameter pile hole drilling, can use forward-circulation and reverse circulation drilling methods mainly used in drilling large diameter pile for building, skyscraper, dam, harbor, bridge etc. and drilling large diameter well.
GQ-15 engineering drilling machine is newly designed special for large diameter pile hole drilling, can use forward-circulation and reverse circulation drilling methods mainly used in drilling large diameter pile for building, skyscraper, dam, harbor, bridge etc. and drilling large diameter well.
FEATURES:
1 Big torque, lightweight and compact structure in compare with same kind machine.
2 Mast, top-drive head move down or up along with, strength and rigidity.
3 Top-drive head has large inner diameter (182×182mm).
4 Reverse-circulation drilling if equipped with necessary equipment as well as forward-circulation drilling.
5 Strength, five forward speeds and one reverse speed, suitable for drilling a variety of rock, easy to handle accidents happened in hole.
6 Top-drive head is equipped with hand-powered chuck, square driving stem, large stroke, drilling efficiently.
7 Hydraulic feed, big pull and push force easy to make pressure and depression drilling.
8 Hydraulic retracting stroke is 1150mm, easy to lower and hoist drilling tools.
9 Walking device, easy to move and find accurate hole position.
10 Reasonable arrangement, easy to operate, smooth.
11 Can be equipped with special derrick if user needs.
2 Mast, top-drive head move down or up along with, strength and rigidity.
3 Top-drive head has large inner diameter (182×182mm).
4 Reverse-circulation drilling if equipped with necessary equipment as well as forward-circulation drilling.
5 Strength, five forward speeds and one reverse speed, suitable for drilling a variety of rock, easy to handle accidents happened in hole.
6 Top-drive head is equipped with hand-powered chuck, square driving stem, large stroke, drilling efficiently.
7 Hydraulic feed, big pull and push force easy to make pressure and depression drilling.
8 Hydraulic retracting stroke is 1150mm, easy to lower and hoist drilling tools.
9 Walking device, easy to move and find accurate hole position.
10 Reasonable arrangement, easy to operate, smooth.
11 Can be equipped with special derrick if user needs.
Technical Specifications
| 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 | |