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1.Big torque, lightweight·2.Walking device, easy to move and find accurate hole position.·3.easy to operate, smooth.
| Place of Origin | Chongqing China (Mainland) | Model Number | GQ-20 |
|---|---|---|---|
| Quality | Highest | Drilling Construction Technologies | Diamond bit drilling , PDC bit drilling , DTH hammer drilling |
| Scope of Application | use forward-circulation and reverse circulation drilling methods | Scope of Application 2 | Drilling large diameter pile for building,skyscraper,dam,harbor,bridge |
| Scope of Application 3 | mainly used in drilling large diameter well | Feature 1 | Mast structure, top-drive head can move down or up along with |
| Feature 2 | Strength and rigidity | Feature 3 | Large torque, compact structure, easy to move |
| Feature 4 | Top-drive head is equipped with hydraulic chuck, drilling Efficiently. | Feature 5 | Reasonable arrangement, easy to operate, smooth and quick. |
| Details | 1.Big torque, lightweight · 2.Walking device, easy to move and find accurate hole position. · 3.easy to operate, smooth. |
| Packaging Detail | Wooden case |
|---|---|
| Delivery Detail | 1month |
GQ-20 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.
Technical Specifications
hole dia (mm) | Φ2000 mm | |
drilling capacity (m) | 60 m | |
Active drill pipe | 180×180×4434 mm (PathΦ115 mm) | |
top drive head speeds(r/min) | forward | 9.5,10.5,28.4,44.1,65.9 |
| reverse | 10.7 | |
Hoist wire rope lifting speed ( m/s ) | forward 0.78,1.36,2.34,3.63 | |
top drive head | max torque (N.m) | 55 kN·m |
| top drive head inner hole (mm) | 182×182 mm | |
| top drive head max push force(KN)/ pull force | 113/154kN | |
| top drive head stroke(mm) | 1000 mm | |
Hoist | hoist lift capacity with singlerope(KN)) | 58 kN |
| Single rope speed increase speed | 0.78 m/s | |
| Reel diameter | 300 mm | |
| Rope capacity | 30 m | |
| Rope diameter | Φ19.5 m | |
| Rack mobile travel | 1550 mm | |
| Open orifice distance | 1038 mm | |
The rig Dimensions (length × width × height) | 5000×2400×2840 mm | |
| 5000×2400×3070 mm (With walking) | ||
| Rig the total weight | 12500kg | |
| Rig power | Motor model: Y250M-4 | 55 kw;1480 r/min |
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