Belong to Rotary Drilling Rig

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• It adopts the special telescopic hydraulic chassis for rotary drilling rig, which features extra stability and convenient for transportation. It adopts imported Cummins turbocharged engine (Euro Ⅲ) with strong power and sufficient power reservation, which meet the requirements for operation at plateau areas and the national noise and emission standards. Constant power and optimum power output keep the machine at optimum work condition.  
• Both the main and auxiliary hydraulic system adopt load sensing technology, which makes the system more efficient and energy-saving; the heavy load hydraulic parts meet the requirements of various work conditions. 
• With patented parallelogram luffing mechanism, the machine can cover wide work areas. The drill mast is designed as box structure made of high strength materials, which ensures the boring precision with higher rigidity and strength. And all the articulated points adopt lubrication-free bearings, featuring flexible movement. The 360° slewing superstructure can discharge slag freely. 
• It adopts intelligent control system with independent intellectual property right, and the CAN bus and PLC control system including the automatic/manual mast verticality adjustment, automatic boring depth detection and display, automatic slewing control, and intelligent troubleshooting control, etc.
• The power head is powered by 3 reductors for large torque output.

Technical Parameters:


Engine Model
Rated power kW 298
Rotary head Max. output torque kN.m 360
Rotary speed r/min 7~20
Max. drilling diameter
mm φ2500
Max. drilling depth m Standard configuration: 80m (5 section friction drill bar)
m Optional: 96m (6 section friction drill bar)
m Optional: 62m (4 section interlocking drill bar)
Pull-down cylinder Max. pull-down piston push kN 240
Max. pull-down piston pull kN 220
Max. pull-down piston stroke m 6
Main winch Max. pulling force kN 320
Max. pulling speed m/min 72
Auxiliary Winch Max. pulling force kN 100
Max. pulling speed m/min 65
Mast rake sideward/forward/backward
±4°/ 5° /15°
Undercarriage Max. travel speed km/h 1.5
Max. gradeability 35
Min. ground clearance mm 445
Track shoe width mm 800
Distance between tracks mm 3500~4800
Hydraulic system Working pressure Mpa 32
Overall operating weight
t 92
Dimension Working condition mm 10180×4800×24530
Transportation condition mm 17380×3500×3807