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Hydraulic Tunnel Drilling Rig

The Hydraulic 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.

Specifications of the Hydraulic 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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