Hydraulic Tunneling Drilling Rig, KJ311

Computer-assisted drilling rig Dimensions (L×W×H): 11250×1850×2500/2900mm Weight: 12500kg Maximum gradeability: 25%(14°) Range of cross section: 12-35m²

This hydraulic tunneling drilling rig is computer-assisted intelligent tunneling equipment suitable for blast hole drilling in hard rock mining and tunneling with cross sections of 12-35m².

Video Show Structure Diagram Technical Specifications

Dimensions and weight			Drilling system
Length	11250mm		Model of rock drill (drifter)	HC50/R38	HC95SA/R38	HC95LM/R38
Width	1850mm		Impact power	13kW	20kW	24kW
Height	2500/2900mm		Impact pressure	130bar	165-200bar	180-200bar
Weight	12500kg		Max rotary pressure	150bar	210bar	210bar
Tramming speed	10km/h		Impact frequency	62Hz	62Hz	62Hz
Maximum gradeability	25%(14°)		Torque	325Nm	597Nm	764Nm
Safety protection			Hole diameter	32-76mm	42-102mm	42-102mm
Noise level	＜100dB(A)		Beam rotation	360°
Lifting safety roof	FOPS＆ROPS		Feed extension	1600mm
Air and water system			Model	K26F
Air compressor	1×JN4		Form of drill boom	Automatic parallelism
Capacity of Air compressor	0.5m3/min		Boom extension (matching)	1200mm
Pressure	6-8bar		Electric hydraulic power unit
Device of shank lubrication	Electronic pulse lubrication pump		Motor	45kW	55kW	75kW
Air consumption of lubrication	0.3m3/min		Impact/feed/positioning	Axial variable displacement piston pump
Oil consumption of lubrication	180-250g/h		Rotation	Gear pump
Water pump	1×CR3	1×CR5	Filter fineness	10μ
Power	1.5kW	5.5kW	Hydraulic oil tank	240L
Capacity of water pump	3m3/h	6m3/h	Hydraulic cooler	Water cooler
Chassis			Working voltage	380V
Diesel engine	60kW，2200rpm		Frequency	50Hz
	QSB3.9-C80-31		Starting method	Star/delta
Exhaust purification	Exhaust catalyzer		Cable reel	1×F440
Drive system	Four-wheel drive system with wet axle		Length of reel cabling	100m
				80m
Swing angle	Swing of rear axle±6°		Cable specifications	3×35 3G6	3×50 3G6
tires	11.00－20		/	/	/	/
Steering mechanism	Articulated steering angle: ±40°		/	/	/	/
Parking braking	Wet multidisc brake of reducer		/	/	/	/
Travelling braking	Two-circuit hydraulic brake		/	/	/	/
Fuel tank	60L		/	/	/	/

Features The hydraulic tunneling drilling rig has functions of automatic hole positioning, automatic control of rock drilling process, centralized lubrication, fault alarm and automatic shutdown; In addition, the drilling parameters will be displayed in real time so that operator can realize remote control of the drilling rig; With password verification, it is possible to download and store the operating parameters, which can be used as basis for the modification and improvement of the hydraulic tunneling drilling rig; A robust universal boom provides optimum shaped coverage, and the powerful articulated chassis with four-wheel-drive transmission ensures stable and safe maneuvering with high flexibility in small and narrow construction tunnels;