XQZ229 surface down-the-hole drill rig is a large-sized integrated down-the-hole drilling machine mainly developed for open-pit mines, which can complete the drilling of main blasting holes and pre-splitting holes. It has the characteristics of large drilling diameter, high drilling efficiency, wide application range, etc.
| Drilling diameter | Ф152-Ф229mm |
| Max. hole depth | 30m |
| Rated power | 450kW |
| Engine | Volvo TAD1643VE |
| Emission standard | EU III |
| Air volume | 33m³/h |
| Air compressor | Atlas Copco |
| Rotary torque | 6600N·m |
| Rotary speed | 60rpm |
| Weight | 28000kg |
| Transport dimensions | 12150×2900×3600mm |
