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KJ212 Hydraulic Top Hammer Drilling Jumbo





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KJ212-type full-hydraulic tunnel jumbo can be used for drilling vertical, inclined and horizontal blasthole, which is specially designed for low roadway. Through section of 2.5m*1.5m, it is applicable for tunnelling operation of roadway with section of 3.5m*1.8m-5m*4.8m.

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 big arm can be also used for laterally opening crossdrift 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 jackdrill 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.

Boundary dimension (including optical auxiliary power station)


Parameter

Main technical parameters

Boundary dimension and weight

Drilling system

Length

11160mm

Rock drill

1×HC50/R38

1×HC109/R38

Width

2000㎜

Impact power

13kW

18.8kW

Height

1465/1985㎜

Surge pressure

130bar

135L/min

Weight

11000㎏

The maximum rotary pressure

150bar

135bar

Running speed (Horizontal)

10㎞/h

Frequency

62Hz

150bar

Maximum gradeability

200

Torque

325Nm

47 Hz

Safety protection

Hole diameter

Φ45-76㎜

780Nm

Noise level

<100dB(A)

Turnover of propulsion beam

360°

45-102mm

Adjustable security ceiling

Meet anti-rolling and anti-rockfall requirement

Compensative travel of propulsion beam

1600㎜

Wind and water circuit system

Type

K 20

Air compressor

1×JN5

Form

Automatic level off

Displacement

0.5m3/min

Flexible drill boom

No

Pressure

8bar

Electric hydraulic power pack

Shank lubrication device

Pressure oil lubrication tank/electromagnetic lubrication pump

Electric motor

45KW

55KW

Gas consumption for lubrication

0.3 m3/min

Impact/ propulsion/drill boom

Axial variable displacement piston pump

Oil consumption for lubrication

180-250g/h

Rotation

Gear pump

Water pump

1×CR3

Filter fineness

10μ

Power

1.5kW

Hydraulic oil tank

240L

Pump output

3m3/h

Hydraulic cooler

Water cooler

Base plate

Operating voltage

380V

Diesel engine

60kW@2200rpm

Frequency

50Hz

QSB3.9-C80-31

Startup method

Star delta

Tail gas clean-up

Power gas catalyst

Cable Reel

1×F440

Transmission system

Four-wheel-drive closed-type travelling system

Cable capacity of reel

100m

80m

Hunting angle

±6°Swing of rear axle

External diameter of cable

Φ28㎜

Φ32㎜

Tire

300-15

Specification of the cable

3×35+3G6+2×1.5

3×50+3G6+2×1.5

Steering mechanism

±35°Articulated steering



Parking braking

Multiple disc brake



Emergency braking



Fuel tank

60L




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