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KJ212 Underground Mining Drill Rigs and Tunneling Jumbo

Home ? Products ? Drill Rigs and Rock Drills ? Surface DTH Drilling Rig ? Underground Mining Drill Rigs and Tunneling Jumbo ? KJ212 Underground Mining Drill Rigs and Tunneling Jumbo

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KJ212 Underground Mining Drill Rigs and Tunneling Jumbo can drill vertical, inclined and horizontal blast holes, designed exclusively for low roadways, with a passage section of 2.5m*1.5m, applicable to the roadway tunneling operations with a section of 3.5m*1.8m-5m*4.8m.

Its firm and reliable universal big arm has the best shape of section coverage, boosting the 360° overturn and automatic leveling of the beam for rapid and convenient borehole positioning. The big arm can also be used for lateral cross hole opening and anchor rod boring operations.

The arrangement of the jumbo ensures the good view of the operator.

Evenly-arranged and powerful 4-wheel drive hinge chassis ensures flexible, quick and safe driving in a narrow roadway.

The high-frequency percussion rock driller uses the cascaded piston to optimize the efficiency of shock wave transmission, raise the drilling speed, reduce clamping bit consumption and enhance the soundness of device.

The big space of operation and a series of automatic functions can help the driver to concentrate their attention to safe, rapid and accurate tunneling.

All its repair and maintenance parts have been protected well, and its repair and maintenance are easy.

Technical Parameters of KJ212 Underground Mining Drill Rigs and Tunneling Jumbo

Dimensions versus Weight		Drilling system
Length	11160mm	Rock drilling	1×HC50/R38	1×HC109/R38
Width	2000mm	Impact power	13kW	18.8kW
Height	1465/1985mm	Impact pressure	130bar	135L/min
Weight	11000 kg	Maximum rotation pressure	150bar	135bar
Travelling speed, level	10km/h	Frequency	62Hz	150bar
Climbing capacity	20%	Torque	325Nm	47 Hz
Security		Aperture	Φ45-76mm	780Nm
Noise level	＜100dB(A)	Rolling of the propelling beam	360°	45-102mm
Lifting safety ceiling	It conforms to the requirement to prevent rolling and falling rock.	Compensative travel of propelling beam	1600mm
Wind and water route system		BoomModel	K 20
Air Compressor	1×JN5	BoomForm	Automatic leveling
Capacity	0.5m3/min	Extension of drill boom	no
Pressure	8bar	Electric Hydraulic pump station
Lubricating device of drill rod tail	Forced feed lubricating can	Electric motor	45kW	55kW
Gas consumption for lubrication	0.3 m3/min	Impact- propelling- drill boom	Variable axial piston pump
Oil consumption for lubrication	180-250g/h	Turn around	Gear pumps
Pump	1×CR3	Filter precision	10μ
Power	1.5kW	Hydraulic oil tank	240L
Pump Capacity	3m3/h	Hydraulic cooler	Water cooler
Chassis		Working pressure	380V
Diesel	60kW@2800rpm	Frequency	50Hz
Diesel	4BT3.9-C80	Starting method	Star - triangle
Tail gas clean-up	Tail gas catalyst	Cable reel	1×K440
Transmission	Closed-wheel drive traveling system	Cable capacity of the reel	100m	80m
Swinging angle	The rear axle swings for ±6°	Outer diameter of cable	Φ28mm	Φ32mm
Tire	300-15	Specifications of cable	3×35+3G6+2×1.5	3×50+3G6+2×1.5
Steering mechanism	±35° articulated steering
Parking brake	Multi-plate brake
Emergency braking	Multi-plate brake
Fuel tank	60L

Overall Dimension (including an optional auxiliary power station)

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