Du in-The-Hole Ith Longhole Drill Rig in Mechanized and Automated Underground Mining

In-the-hole ITH longhole drill rig in mechanized and automated underground mining

KS311 is an ITH drill unitized with an on-board booster and complete with a FOPS/ROPS cabin. This drill is mounted on a mobile center articulated carrier designed for high mobility in underground mines with ramp access.
With its on-board air booster the KS311 drill can be used to drill from 51 mm 102 mm diameter holes to a depth greater than 40 m down hole. It can also be used for reaming holes for rapid raising.


CARRIER
Cabin            FOPS/ROPS
Diesel engine      Cummins QSB3.9-C125  93kW/2200 rpm
Transmission      DANAT20000
Axles            Dana 123
Brakes
 Service         SAHR
 Parking         SAHR
Steering          frame steering hydraulic steering wheel control
Articulation       ±40°
Rear oscillation    ±10°
Tires            12.00 x 20 
Ground clearance   216 mm
Fuel tank         90L
Hydraulic jacks     2 Front, 2 Rear
Centralized grease lubrication
Tramming speed at 15% grade   15 km/h
Gradeability       25% (14°)
Weight           20000 kg
CAROUSEL
Carousel 24+1 drill pipes
POSITIONING SYSTEM
Slideover boom and pendulum 3300 mm
Feed extension
1.8 m (6 ft) drill pipe 1370 mm 54 in
1.5 m (5 ft) drill pipe 1143 mm 45 in
1.2 m (4 ft) drill pipe 914 mm 36 in
Swing angle 360°
Stinger extension - top 1830 mm 6 ft
Stinger extension - bottom 610 mm 2 ft


CONTROL SYSTEM
Feed        feed and rotation control/anti-jamming
POWERPACK
Open loop load sensing hydraulic system
Electric motor 1 x 75 kW
Pump type 1 x 100 cc, 1 x 74 cc,
1 x 17 cc variable
displacement axial
piston pump
6.1 cu.in/rev
4.5 cu.in/rev
1 cu.in/rev
Filtration pressure 1 x 5 micron
Filtration return 1 x 10 micron
Oil tank volume 240 L
Oil cooling shell and tube cooler
HAMMER LUBRICATION SYSTEM
Grease/oil injection
Metering capacity 4 L/hr 1 US gal/hr
Tank size 32 L 8.5 US gal
AIR BOOSTER
Booster type screw
Electric motor 1 x 11 kW
Max. working pressure 8 bar 400 psi
FAD, max. working pressure 20 m3/min 700 cfm
Inlet pressure 7 bar 100 psi
WATER INJECTION SYSTEM
Water pump type triplex piston pump
Capacity 27 L/min (48 bar) 7 gal/min (700 psi)

ELECTRICAL SYSTEM
Total input power 140 kW (188 hp)
Standard voltage 600 VAC
Standard frequency 50 Hz (60 Hz optional)
Lights - working 2 x 43 W LED
Lights - driving lights 4 x 43 W LED
Starter Delta-Wye
Safety shutdowns and alarms
low mine water pressure
low compressor oil pressure
high discharge air temparture
low hydraulic oil level
high hydraulic oil temperature
Safety feature phase loss / phase reversal protection
motor overload protection
voltmeter and ammeter
indicator lights
Zener diode
tram active strobe
backup alarm