KJ311(All diesel power) Underground Mining Drill Rigs and Tunneling Jumbo
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KJ311(All diesel power) Underground Mining Drill Rigs and Tunneling Jumbo is designed for multistation drilling in short time.it is only with diesel engine for power,with air compressor and its self with water tank system.
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. 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 KJ311(All diesel power) Underground Mining Drill Rigs and Tunneling Jumbo

Dimensions and Weight

Length

8200mm

Width

1800mm

Height

2000/3000 mm

Weight

12000 kg

Travelling speed, level

10 km/h

Climbing capacity

14°

Safe protection

Noise level

<100 dB(A)

Lifting safety ceiling

Meet the requirements of FOPS and ROPS.

Drilling system

Rock drilling

1×HC50/R38

Impact power

13kW

Impact flow

105L/min

Impact pressure

130bar

Maximum rotation pressure

150bar

Frequency

62 Hz

Torque

325Nm

Aperture

32-769mm

Beam ratation

360°

Feed extension

850mm

Model of boom

K25F

Form of boom

Automatic leveling

Extension of drill boom

1200mm

Hydraulic pump station

Impact- propelling-Boom

Variable axial piston pump

Turn around

Gear pumps

Filter precision

10μ

Hydraulic oil tank

240L

Hydraulic cooler

Wind cooler

Air and water system

Air Compressor

CP9952

Capacity

0.3m3/min

Pressure

3-5bar

Device of shank lubrication

Electrical pulse lubrication pump

Air consumption for lubrication

0.3m3/min

Oil consumption for lubrication

180-250g/h

Pump Capacity

3m3/h

Chassis

Diesel engine

Cummins QSB3.9-C125 93kw/2600rpm

Exhaust purification

Exhaust catalyst

Drive system

Hydraulic motor-gearbox,four-wheel

Swinging angle

The rear axle swings for ±10°

Tire

11.00-20

Steering mechanism

±40° articulated steering

Travel brake

Two-circuit hydraulic brake

Parking brake

Wet multidisc brake

Fuel tank

60L

Overall Dimension (including an optional auxiliary power station)

KJ311 Underground Mining Drill Rigs and Tunneling Jumbo

Turning Diagram

KJ311 Underground Mining Drill Rigs and Tunneling Jumbo

Boom area

KJ311 Underground Mining Drill Rigs and Tunneling Jumbo
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