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HFR220DⅡ Rotary Drilling RigHFR220DⅡ Rotary Drilling RigHFR220DⅡ Rotary Drilling Rig
HFR220DⅡ Rotary Drilling RigHFR220DⅡ Rotary Drilling RigHFR220DⅡ Rotary Drilling Rig

HFR220DⅡ Rotary Drilling Rig

Rated Power: 242/2100kW
Max. Drilling Depth: 67m
Max. Drilling Diameter: 2000mm

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overview

The machine adopts single row rope for main winch to figure out the wear of steel rope. and extend the life-span. 
With infrared camera for observing main winch , Manipulator can observe the state of steel rope at day and night in cab.
Optional configuration according to customers' requirement (Eg: support cylinder , automatic positioning of slewing , Crowd Winch tyro crowd winch CFA, hydraulic casing oscillator, DTH hammer  )  Excellent expansibility.
Adopting the supercharged CUMMINS engine with European Ⅲ effluent standard. Meet environmental protection and energy conservation . Super power.
With the hydraulic pressure system adopted threshold power control and positive flow control, the system acquired high efficiency and higher energy conservation.
The patented parallelogram articulated structure actualizes a wider work range . The highly strengthened box-type steel structure design makes the mast of highly-rigidity and intensity , therefore the drill accuracy is heightened . 
The machine has passed CE certification of TüV Rheinland group.
Standard centralized lubricating system, allowing easier maintenance.

 

Technical Data

Max.Drilling Diameter Uncased φ2000mm
Cased φ1700mm
  Max.Drilling Depth 67m
Dimension Working condition L × W × H 10260×4400×22619mm
Transportation condition L × W × H 16355×3500×3510mm
Overall Drilling Weight 70t
Engine Model CUMMINS QSL-325
Rated Power 242/2100kw
Hydraulic System Working pressure 35MPa
Rotary Drive Max. output torque 220KN.m
Rotary speed 7~22r/min
Spin off speed 90r/min
Pull-Down Cylinder Max.pull-down piston push -
Max.pull-down piston pull -
Max.pull-down piston stroke -
Crowd Winch Max.pull-down piston push 250KN
Max.pull-down piston pull 250KN
Max. pull-down piston stroke 15000mm
Main Winch Max.pulling force 230KN
Max. single-rope speed 70m/min
Diameter of the steel wire rope 30mm
Auxiliary Winch Max. Pulling force 80KN
Max. single-rope speed 60m/mim
Diameter of the steel wire rope 20mm
Drilling mast Left/right inclination of mast 42464°
Front inclination of mast
Rotary table slewing angle 360°
Traveling Max. traveling speed 1.5km/h
Max.grade ability 35%
Crawler Track shoe width 800mm
Distance between tracks 3250~4400mm
The length of crawler 5715mm
Average ground pressure 90kPa

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