1MQT-70/1.8, 85/2.2, 90/2.3A, 100/3.1, 110/2.8, 120/3.0 and 130/3.2.Equipped drilling rod with two connection types, B19 and B
MQT Series Pneumatic Roof Bolter, higher output power, high rotate speed and drilling power; convenient operation and maintenance to the air & water control valve; and special silencer bringing comfortable working condition, etc. MQT-70/1.8,MQT-85/2.2,MQT-90/2.3A,MQT-100/3.1,MQT-110/2.8,MQT-120/3.0 and MQT-130/3.2. And each model can be equipped with drilling rod with two connection types, B19 and B22. In addition, we also provide various drill bits & rod fitting for different rock hardness for your selection
MODEL & PARAMETER | MQT-0/1.8 | MQT-85/2.2 | MQT-90/2.3A | |||||||
SUITABLE PRESSURE RANGE (MPa) | 0.4 -- 0.63 | 0.4 -- 0.63 | 0.4 -- 0.63 | |||||||
RATED PRESSURE (MPa) | 0.5 | 0.5 | 0.5 | |||||||
RATED TORQUE? (N.m) | ≥70 | ≥85 | ≥90 | |||||||
RATED ROTATE SPEED? (r/min) | 240 | 240 | 240 | |||||||
LEG PROPULSION(Kn) | III | 7.4 | 8.4 | 9.8 | ||||||
II | 5.9 | 6.7 | 6.7 | |||||||
I | 4.4 | 5.2 | 5.2 | |||||||
IDLE PUSHING SPEED(mm/s) | 400 | 400 | 400 | |||||||
MAX. OUTPUT POWER (kw) | 1.8 | 2.2 | 2.3 | |||||||
IDLE ROTATE SPEED (r/min) | 900 | 650 | 650 | |||||||
STALL TORQUE (N.m) | ≥160 | ≥230 | ≥230 | |||||||
MAX.LOADING TORQUE (N.m) | 150 | 220 | 220 | |||||||
AIR CONSUMPTION (m3/min) | 2.8 | 3.2 | 3.2 | |||||||
NOISE LEVEL (dB(A)) | <90 | <90 | <90 | |||||||
LEG TYPE | I | II | III | I | II | III | I | II | III | |
WEIGHT (kg) | 44 | 46 | 48 | 46 | 48 | 50 | 46 | 48 | 50 | |
MAX? HEIGHT (mm) | 2546 | 3026 | 3594 | 2540 | 3020 | 3588 | 2540 | 3020 | 3588 | |
MIN HEIGHT? (mm) | 1169 | 1289 | 1431 | 1163 | 1283 | |||||
