UJ21 Drilling Jumbo

UJ21 tunneling trolley (underground jumbo drill) is widely used in underground mine development, small tunnelling, bolt hole and other reinforcement projects. The well-designed UJ21 jumbo mining machine will provide customers with better perforation experience in terms of appearance, configuration and system control. The chassis and lifting safety roof of this jumbo drill machine based on safety considerations ensure the passing and stability of the equipment, so that operators can always be in a safe position to work; “direct” positioning of the drilling arm system to achieve rapid and accurate drilling positioning; equipped with a ZY104M rock drill power up to 18 kW, its 60 Hz frequency is high-efficiency rock drilling. Favorable protection. The double buffering mechanism shock absorption system and the automatic adapting system of jumbo drilling rig can improve the penetration efficiency while effectively reducing the consumption of drilling tools and improving the production efficiency.

ANBIT provides various kinds of underground jumbo drill for underground mining applications in drilling rocks, concrete, bricks, etc.. during hard mining conditions. Contact us for expertise in choosing the suitable drilling jumbo to meet your needs.


 Specification Of UJ21 Mining Jumbo Machine
Drifter Model and power ZY104/18kW(Standard)
Hydraulic system work pressure 240Bar Hole depth 3440mm
Voltage class 380V Electrical protection class IP67
Min. Roadway size(H*W) 2.8*2.8m
Max. Roadway size(H*W) 6*5.76m
Turning radius(inside/outside) 2800/4900mm Weight 12000kg
Climbing angle 14o
Working parameter
Hole range 41-89mm
Hole depth 2830/3440/4050mm
Drill rod size (R32,R38,T38) 3090/3700/4310mm
Model ZY104(Standard)/ZY103Option)
Impact power 18/15KW Max. torque 752 Nm
Impact ffrequency 60Hz Hydraulic system pressure 210/200 Bar
Rotation speed 0-388rpm Lubrication F.A.D 6 L/s(2bar)
water consumption 66 L/min Rotation system Single rotation
Rock hardness Przewalskii hardnessf=15 low Noise class <106 Db(A)
Weight 170/160kg
Air compressor
Model SVP-203 Pressure 8bar
displacement 0.3m/min
Diesel Engine
Model 4BAT3.9-C80-II(Cummins)
Power 60Kw/(2,200rmp) Speed 2200rpm
Torque 380/1500rpm
Model GN13081501 Power 55kW
Speed 1475rpm Frequency 50/60Hz
Voltage 380/440/550/660/1000 V
Electric current 103A



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