UNDERGROUND TUNNELING DRILLING RIG (Double-boom) KJ421
Main characteristics.
Diesel Engine Cummins QSB3.9-C125
Diesel engine power 93 kW, 2200 rpm
Hammer drill model 1 × HC95LH
Punch power 24 kW
Drilling depth 36m
Electric motor power (Oilstation) 75kW
Water tank 700 l
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Dimensions and weight |
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Legth |
13000 mm |
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Width |
2200 mm |
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Height |
2400/3100 mm |
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Clearance |
400 mm |
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Weight |
22000 kg |
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Travel speed |
10 km/h |
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Gradeability |
14d |
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Security features |
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Noise level |
<100 dB (A) |
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Adjustable overhead guard |
FOPS +ROPS |
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Drilling tool |
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Hummer drill |
2×HC95LM |
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Weight of blow |
24 kw |
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Impact piston consumption |
100-120 l/min |
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Blow pressure |
180-200 bar |
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Torgue |
764 Nm |
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Drilling diameter |
64-76mm |
89-102mm |
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Drilling tool (rods) |
T38 |
T45 |
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Rod length |
1525mm |
1830mm |
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Boom length |
3500mm |
3800 |
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Feed progress |
1200mm |
1200mm |
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Drilling depth |
36m |
36m |
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Feeder length |
1200 mm |
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Feeder rotation |
360° |
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Feed progress |
1600mm |
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Boom model |
К40 |
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Boom shape |
Auto leveling |
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Boom operation |
1800 mm |
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Type of drilling control system |
Wired or wireless remote console KS311.11.11 |
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Drill module cassette capacity |
24 rods |
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Auxiliary hydraulic support cylinder |
1pc available |
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Hydraulic station and electrical system |
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Electric motor |
2x75 kW |
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Impact /feed / positioning |
Variable stroke piston pump |
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Rotation |
Gear pump |
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Filtration |
10μ |
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Hydraulic tank |
400 l |
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Hydraulic oil cooling |
Water cooling |
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Voltage |
380 V |
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Frequency |
50 Hz |
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Driver circuit |
Δ-Y |
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Cable drum |
1×CRC1016, With remote control at the operator’s workplace, with automatic cable coiling and uncoiling. |
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Cable length |
150m |
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Lighting |
8 highly efficient LED light sources (2 in the front of the visor, 2 in the rear, 2 in the drilling zone, 2 auxiliary) |
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Water-air system |
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Compressor |
1×JN5 |
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Compressor productivity |
2.8 m3/ min |
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Pressure |
8 bar |
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Drill Shank Grease |
Oil spray system |
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Air consumption with a drill shank lubrication system |
2х0.3 m3/ min |
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Oil Consumption with Shank Lubrication |
2х180-250 g/h |
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Flushing pump |
1×CR15 |
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Flushing Pump Power |
11 kW |
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Flushing pump productivity |
12 m3/h |
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Flushing system |
Water-air mixture |
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Water tank |
700 l |
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Underframe |
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Diesel engine |
Cummins QSB3.9-C125 93 kW, 2200 rpm |
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Exhaust gas aftertreatment |
Catalytic converter |
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Angle of rotation |
Rear axle ±10° |
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Tires |
12.00-20 |
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Steering |
joint ±40° |
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Fuel tank |
120 |
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