Product List

Multipurpose Tunnel Drilling Rig

The Multipurpose Tunnel Drilling Rig is a multi-purpose hydraulic underground coal mine tunnel drilling rig and highly effective for coal gas mine drilling, gas drainage, plughole well. Robust structure plus strong power supply ensures high penetration rate and outstanding reliability. Two speed control of drill head, wide speed range, large output torque, easy operation, fully meet all types of underground drilling requirements.

multi-purpose hydraulic underground coal mine tunnel drilling rig
Two speed control of drill head, wide speed range, large output torque, easy operation
Great convenience of control of feed pressure;
Standardized parts and components make maintenance and repairing easy
Real time reading of drilling data on gauges on the control panel;
Top grade hydraulics of European origin
Experienced engineers plus adequate spare parts ready to provide full service.
The whole rig is driven by hydraulic and equipped with kinds of safety guards on controls of pulling force, feed force, and output torque etc.
Drilling pressure can be adjusted precisely in accordance with geological conditions.

Specifications of the Multipurpose Tunnel Drilling Rig

Drilling Capacity
Drilling Depth	350 m
Open Hole Caliber	200 mm
End Hole Caliber	150 mm
Dia Of Drill Rod	73/89 mm
Hydraulic System
Pressure	24 MPa
Cooling	Water Cooled
Power System
Power	55 kW
Engine RPM	1,480 rpm
Drill Head
Max Torque	4,000 Nm
Max Rotation ,RPM	500 rpm
Feed Stroke	600 mm
Max Inside Diameter	117 mm
Max Pull /Max Push	140 kN/90 kN
Wireline Winch
Max Pull	7.5 kN(bare drum)
Pulling Speed	44 m/min (bare drum)
Rope Diameter	6 mm
Rope Length	200 m
Mast
Length	2 m
Drilling Angle	-90°-90°
Transporting Dimensions
Main Frame Unit	2,450 × 1,130 × 1,600 mm
Pump Station Unit	1,620 × 840 × 1,425 mm
Operation Unit	845 × 755 × 950 mm
Max Unit Weight After Dismounting
	570 kg

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