this rock drill has small volume, light weight, easy to operate and maintain, gear compressed air motor control, etc.
The rock drill is widely used as coal roof bolter operation for the rock hardness less than f10 tunnel the coal bed, or half tunnel of the coal bed. It can be used not only for drilling bolt hole, but also for the anchor cable, and also the rolling roof bolter for agitating and installing polyester drug. As for the anchor cable, no need other tools, screwing of bolt and nut can be realized by one time and come to the requirement of initial bolting and pre-tightening force.
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working pressure
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Mpa
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0.4--0.63
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rated air pressure
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Mpa
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0.5
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rated speed
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r/min
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220
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Nominal torque
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N.m
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120
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stall torque
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N.m
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210
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free running speed
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r/min
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≥560
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air consumption
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M3/min
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4.4
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max push force
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KN
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8
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rinse pressure
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Mpa
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0.6--1.2
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noise
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dBA
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≤95
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hexagon size of self drilling screw
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mm
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19--22
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Roof bolter model series
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MQT-120/2.7--A
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MQT-120/2.7--B
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MQT-120/2.7--C
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Max height of the machine
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Mm
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2457±50
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3057±50
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3657±50
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Min Height of the machine
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Mm
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1126±50
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1276±50
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1426±50
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overall weight
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Kg
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50
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53
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55
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