KM311 Underground Mining Bolting Rig

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KM311 hydraulic rock bolting rig is specially designed for the construction of rock bolt in the pipe seam of low tunnels,it can tunrn throught the section with 2.5m width and 2.2m height,it can operate in the section with 2.5m width and 3m height.
Complete functions,it is with double-positon of boom,it is with10 pcs bolt rod,optional protective netting module for performing drill hole,net and bolt.
High safety.Operator is pretected by the celling.
he 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
Dimension

Technical Parameters of KM311 Underground Mining Drill Rigs and Tunneling Jumbo

Dimensions and Weight

Length

10700mm

Width

1750mm

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

  Drilling Bolt

Rock drilling

1×HC25/R32 1×HC25/R32

Impact power

8KW 8KW

Impact flow

65L/min 65L/min

Impact pressure

150bar 150bar
Max. rotary pressure 175bar -
Impact frequency 55-65hz 55-65hz

Torque

325Nm -
Hole diameter 32-51mm -

Beam ratation

360°

Feed extension

480mm

Height of tunnel Bolt rod leght+1500mm

Model of boom

K26F

Form of boom

Automatic leveling

Extension of drill boom

1200mm

Electric Hydraulic pump station

Electric motor

45kw

Impact- propelling-Boom

Variable axial piston pump

Turn around

Gear pumps

Filter precision

10μ

Hydraulic oil tank

240L

Hydraulic cooler

Water cooler

Working pressure

380V

Frequency

50Hz

Starting method

Star - triangle

Cable reel

1×K440

Cable capacity of the reel 100m
Diameter of cable 28mm

Cable specifications

3×25+3G6

Air and water system

Air Compressor

1×JN5

Capacity

0.5m3/min

Pressure

6-8bar

Device of shank lubrication

Electrical pulse lubrication pump

Air consumption for lubrication

0.3m3/min

Oil consumption for lubrication

180-250g/h

Water Pump

1×CR3

Power

1.5kw

Pump Capacity

3m3/h

Chassis

Diesel engine

Cummins QSB3.9-C80-31 60KW/2200rpm

Exhaust purification

Exhaust catalyst

Drive system

four-wheel drive

Travel brake

Hydraulic brake

Parking brake

Wet multidisc brake

Fuel tank

60L

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