ZT11/ZT12 Integrated Surface DTH Drilling Rig

ZT11/ZT12 Integrated Surface DTH Drilling Rig
ZT11/ZT12 Integrated Surface DTH Drilling Rig
ZT11/ZT12 Integrated Surface DTH Drilling Rig
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The integrated surface DTH drilling rig is capable of drilling vertical, inclined, and horizontal holes, and is mainly used for blast hole drilling and pre-splitting in large open-pit mines and rock excavation projects. The rig is powered by a Yuchai or Cummins non-road diesel engine. The rear flywheel output drives the screw compressor system, while the PTO output drives the hydraulic transmission system.

The rig is equipped with an automatic rod handling system, a drill rod floating joint assembly, a drill rod lubrication system, an anti-jamming system, a hydraulic dry-type dust collection system, and an air-conditioned cab. Optional functions include drilling angle and depth indication.

Detail features Technical Parameters
Model No. ZT11 ZT12
Transport dimensions (L×W×H) 9900×2300×3200/3500 mm 10000×2480×3100 mm
Weight 15000 kg 16800 kg
Rock hardness f=6-20 f=6-20
Drilling diameter 90-130 mm 115-152 mm
Ground clearance 355 mm 430 mm
Track leveling angle ±10° ±10°
Travelling speed 0-3 km/h 0-3 km/h
Climbing capacity 25° 25°
Traction 120 KN 87 KN
Max. rotary torque 2500 N · m 4000 N · m
Rotation speed 0-173 rpm 0-130 rpm
Swing angle of drill boom Left 18°, right 46° Left 17°, right 46°
Compensation stroke 1500 mm 1500 mm
Rotary head stroke 4510 mm 4510 mm
Max. feed force 37 KN 39 KN
Feed method Motor roller chain Motor roller chain
Economical drilling depth 32 m 32 m
Number of rods 7 1 6 1
Drilling rod specifications Ø64/Ø76x4000 mm Ø76/Ø89x4000 mm
Engine Yuchai YCA08320-T300 Cummins QSL8.9-C360-30
Rated power 235 kW 264 kW
Rated speed 2200 rpm 2100 rpm
Screw compressor Two-stage compression, 18 m³/min / 22 bar Two-stage compression, 20 m³/min / 22 bar
Traveling control system Hydraulic pilot Hydraulic pilot
Drilling control system Hydraulic pilot Hydraulic pilot
Anti-jamming system Automatic electro-hydraulic anti-jamming Electro-hydraulic anti-jamming
Voltage 24V DC 24V DC
Safe cab Meet the requirements of ROPS & FOPS Meet the requirements of ROPS & FOPS
Seat Adjustable Standard temperature
Entertainment Radio Radio
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