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ZQSJ-90/2.4 Portable Pneumatic Explosion-proof Drilling Machine
ZQSJ-90/2.4 portable pneumatic explosion-proof drilling machine is used in drilling holes for exploring, discharging gas, water; used in drilling holes for exploring, discharging gas and water in coal tunnel and coal-rock tunnel.
With reverse rotated action, it can take out the drill rod and bit easily. It is also the ideal equipment instead of electric drilling machine for water and gas discharging under mine.
Tech. parameters:
No. | Basic parameter | Unit | ZQSJ-90/2.4 | |
1 | Working pressure | Mpa | 0.63 | |
2 | Rated torque | N.m | 95 | |
3 | Rated rotate speed | r/min | 260 | |
4 | Max. output power | Kw | 2.4 | |
5 | Max. loading | N.m | 200 | |
6 | Power stall torque | N.m | 220 | |
7 | air consumption with load | m3/min | 3.0-4.0 | |
8 | No-Load speed (r/min) | r/min | 650 | |
9 | Noise | Acoustic level (dB(A)) | ≤110 | |
Sound power level (dB(A)) | ≤120 | |||
10 | Drill Tail Size (mm) | 18x18, 26x26 | ||
11 | Weight (KG) | 25 | ||
drilling depth range | ||||
12 | Ø44 Spiral Shank,Ø46 Diameter of hole | 25-50M | ||
Ø69 Spiral Shank,Ø78 Diameter of hole | 15-40M | |||
Ø79 Spiral Shank,Ø91 Diameter of hole | 10-30M | |||
ZQSJ-90/2.4 Portable Pneumatic Explosion-proof Drilling Machine