ZLJ-2900 tunnel drilling machine for coal mining is developed based on XY-2 drilling rig of spindle type core
drilling,it is suitable for tunnel engineering drilling with diamond bit,tungsten carbide bit in coal mining and underground exploration drilling for coal field.
It is light in weight,better quality,larger powered,wide performance and good interchangeavility.
drilling,it is suitable for tunnel engineering drilling with diamond bit,tungsten carbide bit in coal mining and underground exploration drilling for coal field.
It is light in weight,better quality,larger powered,wide performance and good interchangeavility.
Technical Specifications
Item Name | Unit | Number | |
Rated speed of rotation table shaft | r/min | 63/108/172/238/ 295/520/830/1148 | |
Rated output torque of rotation table shaft | N·m | 2900/1660/1030/ 760/600/330/190/135 | |
Max.push force of spindle | kN | 44 | |
Max.pull force of spindle | kN | 60 | |
Max.feed speed of spindle | m/min | 0~6 | |
Max.feed stroke < | mm | 600 | |
Max.pull force of hoist with single | kN | 30 | |
Drum dia. | mm | Φ200 | |
Wire rope dia. | mm | Φ14 | |
Drum capacity | m | 45 | |
Drilling depth in theory | m | ||
Φ42mm /rod | 530 | ||
Φ50mm /rod | 385 | ||
Φ60mm /rod | 320 | ||
AW /rod | 530 | ||
BW /rod | 420 | ||
NW /rod | 320 | ||
Drilling angle range | -90~+90 | ||
Rated pressure of hydraulic system | Mpa | 8 | |
Power of electric motor | kW | 22 | |
Overall dimension | mm | 2150×900×1690 | |
Weight(excluding power unit and rod) | kg | ≈950 | |
Max.weight of detached part | kg | 140 | |
