360 Degree Drilling All Directions Drilling for Water and Gas Exploration and Release in the underground coal mine
360 Degree Drilling All Directions Drilling for Water and Gas Exploration and Release in the underground coal mine
The drilling machine is mechanical drive, reliable in performance, simple structure, furnished with a hudraulic chuck and hudraulic feeding cylinders. It is mainly used to drill holes for probing water and gas in underground coal mine. It is also used for drilling geological surveying hole and building foundation reinforcement hole on surface.
360 Degree Drilling All Directions Drilling for Water and Gas Exploration and Release in the underground coal mine
The drilling machine is mechanical drive, reliable in performance, simple structure, furnished with a hudraulic chuck and hudraulic feeding cylinders. It is mainly used to drill holes for probing water and gas in underground coal mine. It is also used for drilling geological surveying hole and building foundation reinforcement hole on surface.
Technical Parameters
| Model | ZLJ-250 | ZLJ-350 | ZLJ-400 | ZLJ-700 |
| Max. nominal torque of spindle (N.m) | 250 | 250 | 400 | 700 |
| Drilling pipe Diamter (mm) | Φ42 | 42 | 42 | 42/50 |
| Drilling depth (m) | 75 | 150 | 200 | 250/200 |
| Hole open size (mm) | Φ89 | Φ89 | Φ108 | Φ108 |
| Hole end size (mm) | ≥Φ50 | ≥Φ50 | ≥Φ76 | ≥Φ76 |
| Spindle dia. (mm) | Φ44 | Φ44 | Φ44 | Φ54 |
| Rotation speed of spindle rpm | 120/250/360 | 120/214/375 | 115/205/360 | 125/220/385 |
| Stroke of spindle (mm) | 400 | 400 | 400 | 400 |
| Spindle pulling up force kN | 12 at 7 Mpa | 12 at 7 Mpa | 30 at 7 Mpa | 50 at 10 Mpa |
| Rated Propellng force (kN) | 9 at 7Mpa | 9 at 7Mpa | 20 at 7Mpa | 30 at 10Mpa |
| Hole angle scope | 0-360° | 0-360° | 0-360° | 0-360° |
| Lifting capacity of winch (kN) | 7.35 | 8.7 | 15 | 18 |
| Single wire hoisting speed (m/s) | 0.22 | 0.25 | 0.25 | 0.27 |
| Drum capacity (m) | 26.8 | 30 | 30 | 30 |
| Dia.of cable wire | Φ8.8 | Φ11 | Φ11 | Φ16 |
| Pressure of split chuck (Mpa) | 6 | 6 | 6.5 | 6.5 |
| Clamping force of split chuck (KN) | 30 | 30 | 35 | 50 |
| Oil pump model | YBC-12/125 | YBC-12/125 | YBC-12/125 | CBT-F316 |
| Nominal pressure of the oil pump (Mpa) | 12.5 | 12.5 | 12.5 | 20 |
| Nominal flow rate of the oil pump (L/Min) | 12 | 12 | 12 | 16 |
| Motor model | YBK2-112M-4 | YBK2-132S-4 | YBK2-132M-4 | YBK2-160M-4 |
| Motor power (kW) | 4 | 5.5 | 7.5 | 11 |
| Motor rotation speed (rpm) | 1440 | 1440 | 1440 | 1460 |
| Weight | 480 | 500 | 615 | 800 |
| Overall dimensions L×H×W | 1230×600×1185 | 1250×640×1265 | 1250×640×1265 | 1480×680×1290 |
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