KJ 211 Hydraulic Top Hammer Drilling Jumbo

KJ 211 Hydraulic Top Hammer Drilling Jumbo
KJ 211 Hydraulic Top Hammer Drilling Jumbo
KJ 211 Hydraulic Top Hammer Drilling Jumbo
KJ 211 Hydraulic Top Hammer Drilling Jumbo
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Function and feature
KJ211 is predetermined to be used for mining, preparation work and tunneling. It is a hydraulic drilling jumbo for independent operation, which can be used for drilling vertical, inclined and horizontal blast hole. Applicable for hard-rock tunneling operation of 12-35m2 section;

Solid and reliable universal arm is equipped with the best section covering shape, and the propulsion beam can turn over by 360°and level off automatically, so as to be convenient for quickly achieving drilling and positioning.

Meanwhile, the arm can be also used for laterally opening cross drift and anchor-hold drilling operation.

The arrangement of drill carriage shall ensure the view of the manipulator in good condition.

The arrangement is in balance condition. The strong four-wheel-drive articulated base plate can ensure that the drill carriage is able to travel flexibly, quickly and safely in the narrow roadway.

High-frequency impact jack drill optimizes the transmission efficiency of impact wave, enhances the drilling rate, reduces consumption of drilling tools and enhances the serviceability rate of equipment by adopting stair piston;

Spacious operation space and a series of automatic functions are conducive for the driver concentrating to safely, quickly and accurately drill.

Each maintenance part has been protected well and shall also be easy to maintain at the same time.

Main technical parameters
Boundary dimension and weight Drilling system
Length 10000mm Rock drill 1×HC50/R38
Width 1600mm Impact power 13kW
Height 1850/2650mm Surge pressure 105L/min
Weight 11000 kg The maximum rotary pressure 130bar
Running speed (Horizontal) 10km/h Frequency 150bar
Maximum grade ability 200 Torque 62 Hz
Safety protection Hole diameter 325Nm
Noise level <110dB(A) Turnover of propulsion beam 32-76mm
Adjustable security ceiling Meet anti-rolling and anti- rock fall requirement Compensative travel of propulsion beam 360°
drill boom Rock drill 1600mm
type K26F drill pipe R38-H35-R32-3700
form Automatic level off Electric hydraulic power pack
Flexible drill boom 1200mm Electric motor 45kW/55kW Three-phase motor
Wind and water circuit system impact-propel-drill boom Axial variable displacement piston pump
Air compressor 1×JN5 Rotation Gear pump
Displacement 0.5m3/min Filter fineness 10μ
Pressure 5-8bar Hydraulic oil tank 240L
Shank lubrication device
Hydraulic cooler Water cooler
Gas consumption for lubrication 0.3m3/min Operating voltage 380V
Oil consumption for lubrication 180-250g/h Frequency 50Hz
Water pump 1×CR3 Startup method Star delta
Power 1.5kW Specification of the recommended cable 3×35 3G6 2×1.5
3×50 3G6 2×1.5
Pump output 3m3/h
Base plate
Tail gas clean-up Power gas catalyst
Transmission system Four-wheel-drive closed- type travelling system
Hunting angle Swing of rear axle ±6°
Tire 300-15
Steering mechanism Articulated steering
Travel braking Hydraulic brake
Parking braking Multi-disk wet brake
Diesel engine BF4L2011 53kW,2800rpm
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