KM211 Hydraulic-controlled Bolting Rig

KM211 Hydraulic-controlled Bolting Rig
KM211 Hydraulic-controlled Bolting Rig
KM211 Hydraulic-controlled Bolting Rig
KM211 Hydraulic-controlled Bolting Rig
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The KM211 hydraulic rock bolting rig is specially designed for the construction of rock bolts in the pipe seam of low tunnels and it is capable of passing through tunnels 2.5 meters wide and 1.7 meters high. It is qualified for anchoring operations in tunnels whose section extends to a width of over 2.5 meters and a height of over 2.8 meters.

Application and Features

1. Complete functions
The advancing beam at two stations is available and it is equipped with a magazine with a storage capacity of 10 bolting rods, along with an optional protective netting module. It is capable of performing the following tasks: drilling, netting and installation of rock bolting rods.

2. High safety
Operators are protected by the ceiling, far away from the danger area.

3. High efficiency
The stepped piston is used for the high-frequency rock drill and this can improve the transmission efficiency of impact wave, increasing drilling speed and reducing the consumption of drilling tools.

4. Good view for the operator
The articulated chassis of four-wheel drive ensures the flexible, quick and safe driving in narrow tunnels.

5. Considerable space
Considerable space and automatic functions enable the driver to concentrate on drilling in a safe, fast and accurate manner.

6. Easy maintenance
All the relevant parts are protected from the outside environment and are easy to maintain.

  • Dimension
  • Transport dimension
  • Turning Radius
Technical Parameters
1. Dimensions and weight
Length 10700mm
Width 2000mm
Height 1500/2000mm
Weight Appr.12000kg
Tramming speed on flat ground 10km/h
Maximum climbing capacity 25%(14°)
2. Air& water system
Air compressor 1×JN5 Oil consumption of lubrication 180-250 g/h
Capacity of air compressor 0.5m³/min
Pressure 6-8 bar Water pump 1×CR3
Device of shank lubrication Electronic pulse lubrication pump Power 1.5kW
Air consumption of lubrication 0.3m³/min Capacity of water pump 3m³/h
3. Safety protection
Noise level <100dB(A)
Lifting safety roof Meet the requirements of FOPS and ROPS
4. Chassis
Diesel engine Cummins QSB3.9 -C80-31/60kW/2200rpm Travelling braking Hydrostatic brake
Exhaust purification Exhaust catalyst Parking braking Web multidisc brake
Drive system Closed travelling system of
four-wheel drive
Fuel tank 60L
5. Drilling system
  Dilling Bolt Rod Install
Rock drill 1×HC25/R32 1×HC25/R32
Impact power 8KW 8KW
Impact flow 65L/min 65L/min
Impact pressure 150bar 150bar
Maximum rotary pressure 175bar ------
Impact Frequency 55-65Hz 55-65Hz
Torque 325Nm ------
Hole diameter 32-51mm  
Beam rotation 360°
Feed extension 480mm
Applicable height of tunnel Bolt rod length +1500mm
6. Electric hydraulic power unit
Motor 45kW
Impact/Feed/Positioning Axial variable displacement piston pump
Rotation Gear pump
Filter fineness 10 μ
Hydraulic oil tank 240L
Hydraulic cooler Water cooler
Working voltage 380V
Frequency 50Hz
Starting method Star-triangle
Cable reel 1×K440
length of reel cabling 100m
Outer diameter of cable φ28mm
Cable specifications 3×25+3G6
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