Tunneling Jumbo Kj321 Kj421 Kj422 Face Drilling for Straight Hole for Cavern Excavation with Console

• Bit Type: Diamond Bit
• Drill Hole Diameter: <100mm
• Drilling Way: Impactor
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Condition: New
• Motor: AC Motor
• Model NO.: KJ321
• Drill Hole Depth: <100m
• After-sales Service: Engineers at Spots All Over The World
• Warranty: 1 Y After Operating or 12+1.5 M After Delivery
• Transport Package: Container
• Origin: China
• HS Code: 84303900
• Production Capacity: 5000 Sets / Month

Product Description

Split Mountain tunneling jumbos have a special modular design for accurate, fast face drilling for straight holes or mechanized long-hole drilling and bolting for cavern excavation, while ensuring high productivity and reliability. Our two-boom, three-boom electro-hydraulic jumbos, w/o console, could drill holes with a diameter of 45 to 64 millimeters with a depth of up to 6.1 meters (20 feet)in high-quality tunneling excavation of 12-180 m² cross sections.
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KJ321 / KJ421 two boom electro-hydraulic mining jumbo
 

KJ421 is a two-boom, electro-hydraulic mining development drill rig, engineered for fast and accurate drilling. This mining jumbo provides reliability of face drilling, cross-cut drilling and bolt-hole drilling in tunneling of 8-60-square-meter cross sections. Well-designed, structures and proven components ensure this mining jumbo a reliable workplace for both operators and maintenance crews. Optimised drilling control system will help to keep holes straight, reduce jammings and maximize the tool life consistently.

Quick Facts
» Drifter / rock drill: HC95LM, 21 kW,
» Feed 360-degree rollover and ±45° Swing,ideal for cross cutting and bolting,
» Hole diameter: 64 - 102 mm with HC95LM Rock Drill/Drifter,
» Coverage: 8 - 68 m2,
» Engine power: 93kw/2200rpm Cummin,
» Motor power:75 kw ABB*2.

Features
- heavy-duty boom with double tripod suspension for accurate hydraulic parallel holding in all directions,
- heavy-duty aluminium feed with high bending and torsional resistance for maximum durability,
- FOPS/ROPS-certified cabin/canopy offers increased safety for operators,
- Troubleshooting, fault finding and maintenance made easy,
- Spare part commonality across product family.

SMJR338 electro-hydraulic tunneling jumbo tuneleros

Quick Facts
» Drifter / rock drill: HC95LM, 21 kW,
» Feed 360-degree rollover and ±45° Swing,ideal for cross cutting and bolting,
» Hole diameter: 64 - 127 mm with HC95LM Rock Drill/Drifter,
» Coverage: 60 - 178 m2,
» Engine power: 180 kW/2200rpm Deut,
» Motor power:75 kw ABB*3.

Features
- heavy-duty boom with double tripod suspension for accurate hydraulic parallel holding in all directions,
- heavy-duty aluminium feed with high bending and torsional resistance for maximum durability,
- FOPS/ROPS-certified cabin/canopy offers increased safety for operators,
- Troubleshooting, fault finding and maintenance made easy,
- Spare part commonality across product family.

Technical Specifications

Hydraulic Drifter/Rock Drill		Control System
Type	HC95LM x3	Anti-jamming control	Yes
Percussion power	21kW	Rotation control	Adjustable/Reversible
Percussion pressure	Max. 200 bar	Flushing control	Water flow and pressure
Percussion rate	54 - 62 Hz	Percussion control	Adjustable power
Rotation torque	764 Nm	Voltage	24V
Hole size (bolting)	∅64 - 127mm	Carrier
Shank adapter	T45 / T38 male	Type of carrier	Frame-steered
Boom		Carrier articulation	± 40°
Parallel holding	Complete	Rear axle oscillation	±10°
Lifting angle	Up55°,down 40°	Deut TCD6.1L06	180 kW
Swing	left 35°,right 35°	Transmission Hydrodynamic	Dana 32000LD
Extension	2500 mm	Front / Rear Axles	DANA 114
Feed extension	1600 mm	Tires	14.00-24
Feed roll-over angle	360° Rotaty Actuator	Service brakes	Hydraulic wet disc
Hydraulic System		Parking and emergency brakes	SAHR fail safewet disc
Powerpack	3 x 75 kW + 1x 35 kW	Tramming speed	Max.15 km/h
Percussion pump	160 cc (variable)	Gradeability / sideways tilt	Max. 15° / 5°
Rotation pump	180 cc (gear)	Ground clearance	430 mm
Filtration	10 µ	Centralized greasing points	10 ports
Oil tank volume	490 liters	Air And Water System
Cooler for hydraulic oil	Oil-to-water 4 x 45 kW	Flushing	By water
Electric System		Water pump capacity	215 l/min
Standard voltages	380 - 690 V (± 10%), 50 or 60 Hz	Rock drill oil consumption	180 - 250 g/h
Total installed power	270 kW	Rock drill air consumption	360 l/min
Batteries(Chargeable)	2 x 12 V, 120 Ah	Air compressor	1.55 m³/min (7 bar)
Cable Reel	80m-100m	Overall with steels 20', others depending on options.
Cable reel lubrication	Manual	Weight	46900 kg
Cable reel mud clean	Manual	Transport length	17880 mm
Front lights	6 x 50W LED (4200 lm, 6000 K)	Tramming / drilling width	3000 mm / 3860 mm
Rear lights	4 x 50W LED (4200 lm, 6000 K)	Tramming / drilling height	3600 mm / 4900 mm
Percussion hour meters	Optional	Turning width(T-section)	4500 mm
Operator remote control	Optional	Turning radius(Inner/Outter)	R6300 / R11900 mm

Below machines could match above low profile drill rig in applications.







Any more question, please feel free to contact us.