358H Down Hole Drilling Rig
358H/358D crawler hydraulic down-hole drill rig adopts diesel motor (electric motor). Hydraulic oil pump unit offers power to hydraulic motor moving, turn-around, propulsion and lifting, and angle orientation of oil cylinder, etc, when drill is working, only the down-hole hammer consumes the compressed air, compared with whole-pneumatic drills, the consumption of energy(fuel or electricity) is saved by 40% to 50%
358H（D）crawler hydraulic down-hole drill rig is mainly used in stonework drilling, such as water and electricity project, exploitation of open mine and road construction.
| Main Technical Parameter | |
| Drilling diameter | Φ90-Φ160mm |
| Drilling depth | 40m |
| The highest drilling level | 3.37m |
| Pipe-rod changing length | 3m |
| Working air pressure | 0.7-2.4MPa |
| Air consumption | 11.3m³/min(1.14MPa)for pore diameter≦Φ115 |
| 13m³/min(1.4MPa)for pore diameter ≦Φ140 | |
| 17m³/min(1.4MPa)for pore diameter ≦Φ165 | |
| 21m³/min(2.4MPa)for pore diameter ≦Φ165 | |
| Moving speed | 2km/h |
| Grade ability | 24° |
| Power (Diesel drive or electric drive) | internal combustion 56KW (Yuchai Brand, Cummins is optional) electric motor 30KW |
| Outer size(length*width*height) | 6900*2200*2200mm(transportation state) |
| Weight | 6100 kg |
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