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HFR94A Rotary Drilling RigHFR94A Rotary Drilling RigHFR94A Rotary Drilling Rig
HFR94A Rotary Drilling RigHFR94A Rotary Drilling RigHFR94A Rotary Drilling Rig

HFR94A Rotary Drilling Rig

Max. Driling Diameter: 2500-2600mm
Max. Drilling Depth: 94-103m
Engine Power: 315-345kW
Max. Output Torque: 300-360KN.m

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overview

Performance Characteristics

Optimally designed double swing arm lufing mechanism and optimized hinge point position take account of the construction stability and the transportation convenience at the same time.

Dedicated H-type hydraulic retractable crawler chassis for rotary drilling rigs with large-diameter slewing bearing ensures superior stability and convenient transportation.

Imported Volvo engine with strong power effectively reduces fuel consumption and use costs.

The hydraulic system adopts load sensing technology with total power control and limit power control, making the system more efficient and energy-saving. Independent radiator system provides high heat dissipation efficiency.

The proprietary single-row rope main winch of Hanfa effectively solves the twine problem and greatly prolongs the service life of wire rope.

The rotary drive owns normal mode special for soil layers and rock-entering mode special for rock formations, which improves construction efficiency. The autorotation of rotary drive can achieve continuous adjustments of speed in normal mode and rock-entering mode.

Standard centralized lubrication system makes the maintenance more convenient and improves working reliability.

  • HFR300 Rotary Drilling Rig
  • HFR300 Rotary Drilling Rig
  • HFR300 Rotary Drilling Rig

Technical Data

Type

Unit

HFR94A

HFR103A

Max. Driling Diameter

mm

∅2500/∅2300*

∅2600/∅2300*

Max. Drilling Depth

m

94

103

 

Engine

Model

 

TAD1352VE

TAD1353VE

Rated Power

kw

315

345

 

Rotary Drive

 

Max. output torque

KN.m

300

360

Rotary Speed

r/min

6-27

6-27

 

 

Crowd Cylinder

 

Max.pull-down piston push

KN

260

300

Max.pull-down piston pull

KN

330

350

Max. pull-down piston stroke

m

6

6

 

 

Crowd Winch

 

Max.pull-down piston push

KN

330

300*

Max.pull-down piston pull

KN

330

350*

Max. pull-down piston stroke

m

13

10/16*

 

Main Winch

 

Max. pulling force

KN

330

370

Max.line speed

m/min

75

60

 

Auxiliary Winch

 

Max. pulling force

KN

100

100

Max.line speed

m/min

41

41

Mast Rake

Side/forwards/backwards

°

± 4/5/15

± 4/5/15

 

 

 

Undercarrige

 

Max. traveling speed

km/h

1.5

1.3

Max.grade ability

%

35

35

Track shoe width

mm

800

800

Distance between tracks

mm

3500-4800

3500-4900

Hydraulic system

Working pressure

Mpa

33

33

Overall Drilling Weight

t

106

115

 

Dimension

 

Working dimension

mm

10825 x 4800 x 25510

10870 x 4900 x 25820

Transportation dimension

mm

19885 x 3500 x 3775

20650 x 3500 x 3845

Parameters with "*" refer to the ones of crowd winch configuration.

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