Hydraulic Tunneling Drilling Rig, KJ311

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Face drilling rig with increased working height Dimensions (L×W×H): 12000×1750×2000/3000mm Weight: Approx.12000kg Maximum gradeability: 25%(14°) Range of cross section: 12-44m²

This hydraulic tunneling drilling rig is a face drilling rig designed with increased working height, suitable for large hard rock mines and tunnels with cross sections of 12-44m². The drilling rig can reach a height of 7.4m from floor level, and a width of up to 7.6m.

Video Show Structure Diagram Technical Specifications

Dimensions and weight
Length		12000mm
Width		1750mm
Height		2000/3000mm
Weight		Approx.12000kg
Tramming speed on flat ground		10km/h
Maximum gradeability		25%(14°)
Safety protection
Noise level
Lifting safety roof		Meet the requirements of FOPS and ROPS
Air and water system
Air compressor	1×JN4	Oil consumption of lubrication			180-250g/h
Capacity of air compressor	0.5m³/min
Pressure	6-8bar	Water pump			1×CR3		1×CR5
Shank lubrication device	Electronic pulse lubrication pump	Power			1.5kW		5.5kW
Air consumption of lubrication	0.3m³/min	Capacity of water pump			3m³/h		6m³/h
Chassis
Diesel engine	Cummins QSB3.9-C80-31 60kW, 2200rpm	Tires			11.00-20
Exhaust purification	Exhaust catalyzer	Steering mechanism			Articulated steering angle: ±40°
Drive system	Closed hydraulic system for four-wheel driving	Travelling braking			Two-circuit hydraulic brake
Swing angle	Swing of rear axle ±10°	Parking braking			Wet multi-disc brake of reducer
		Fuel tank			60L
Drilling system
Rock drill (drifter)	1×HC50/R38	1×HC109/R38				1×HC95LM/R38
Impact power	13kW	18.8kW				21kW
Impact flow	105L/min	135L/min				100-120L/min
Impact pressure	130bar	135bar				180-200bar
Maximum rotary pressure	150bar	150bar				210bar
Impact frequency	62Hz	47Hz				62Hz
Torque	325Nm	780Nm				764Nm
Hole diameter	Ø32-76mm	Ø42-102mm				Ø42-102mm
Beam rotation	360°
Feed extension	1600mm
Model of drill boom	K35F
Form of drill boom	Automatic parallelism
Boom extension	1750mm
Electric hydraulic power unit
Motor	45kW		55kW			75kW
Impact/Feed/Positioning	Variable displacement axial piston pump
Rotation	Gear pump
Filter fineness	10µ
Hydraulic oil tank	240L
Hydraulic cooler	Water cooler
Working voltage	380V
Frequency	50Hz
Starting method	Star/delta
Cable reel	1×F440
Length of reel cabling	100m			80m
Cable specifications	3×35 3G6			3×50 3G6

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