RH-UD-005 · Underground
RILLHOLT RH-UD-005 Underground Hydraulic JumboUnderground Drilling Rigs
Development drifting and face drilling in headings up to 34 m² in underground metal and non-metal mines
Overview
The RILLHOLT RH-UD-005 is a single-boom hydraulic tunnelling jumbo covering headings up to 34 m², fitted with the LG-THC rock-adaptive drilling control system on a load-sensing piston-pump hydraulic circuit to keep drill steel consumption low. Its LD60 rock drill (20 kW) drills 32-45 mm holes and 76-127 mm reaming holes to 4,050 mm depth on an LG-CF4300 feed, carried by an LG-B26F boom with 1,200 mm boom extension and 1,600 mm feed extension. A 66 kW YCF3690 China IV engine, 380 V electric drive and FOPS certified canopy complete a 11,400 x 1,800 x 2,350/2,885 mm carrier at 12,800 kg.
Specifications
Drilling
- Coverage area
- 34 m²
- Rock drill
- LD60, 20 kW
- Impact pressure
- 120-210 bar
- Impact frequency
- 69 Hz
- Rotation
- Maximum 250 rpm, 400 Nm (OMS80)
- Hole diameter
- 32-45 mm; reaming 76-127 mm
- Hole depth
- 4,050 mm
- Shank
- T38, R32
- Recommended drill rods
- T38-Hex 35-R32
- Rock drill weight / length
- 144 kg / 1,024 mm; profile height 76 mm
- Feed beam
- LG-CF4300; thrust 25 kN, length 5,880 mm, rod length 4,305 mm, weight 530 kg
- Boom
- LG-B26F; automatic parallel holding 29 m², boom extension 1,200 mm, feed extension 1,600 mm, net weight 1,850 kg, rotation 360 degrees
- Drilling control
- LG-THC rock-adaptive control: fully powered impact, half-power collaring, rotary flushing, anti-jamming, impact following, drilling stop
Hydraulics
- Hydraulic power pack
- 55 kW pump station, direct hydraulic control, piston pump load-sensing system, 10 um filtration, 150 L tank
Electrical
- Electric system
- 380 V, 50 Hz, 70 kW total input, star-delta starting, automatic cable reel CR with travel interlock, phase sequence protection
- Battery
- 2 x 12 V, 120 Ah
- Lighting
- Front 4 x 48 W LED 24 V, rear travelling 2 x 48 W, operator 1 x 5 W, flashing beacon
Water and air
- Water system
- 3 kW water pump, 50 L/min at 15 bar; inlet 4 bar; pump inlet 2-5.4 bar; system water pressure 10-15 bar
- Air system
- Compressor 0.5 m³/min at 7 bar; shank oil-mist lubrication; rock drill consumption 200-300 g/h, 250-350 L/min
Safety
- Safety canopy
- FOPS falling-object certified canopy; noise 102 dB(A) at operator platform per EN16228
- Fire extinguisher
- 1 x 6 kg ABC handheld
Chassis
- Tramming speed
- 10 km/h on level ground; 5 km/h on a 14% (8 degree) grade
- Gradeability / side tilt
- 15 degrees / 5 degrees
- Engine
- YCF3690, 66 kW, China IV
- Drive
- Torque converter, gearbox and drive axles
- Tires
- 9.00-20-18
- Brakes
- Service and emergency: HASR fully enclosed wet multi-disc; parking: spring brake with hydraulic release
- Oscillation
- Front frame articulation +/-35 degrees; rear axle oscillation +/-6 degrees
- Ground clearance
- 227 mm
- Steering
- Articulated steering +/-35 degrees
- Turning width (T-type)
- 2,750 mm
- Fuel tank
- 60 L
- Hydraulic supports
- 2 x extendable (front) + 2 x vertical (rear)
- Dimensions (L x W x H, transport)
- 11,400 x 1,800 x 2,350/2,885 mm
- Total weight
- 12,800 kg
Options
- Options
- Feed beam LG-CF3700 (rod 3,700 mm); 660 V / 1,000 V electric system; complete rock drill tool kit; production management system; remote control system; automatic fire extinguishing system
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