SR235 Rotary Drilling Rig


  • Max.Pile Diamete

    2000mm
  • Max.Pile Depth

    68/54m
  • Operating Weight

    81T

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  • FEATURES
  • SPECIFICATION

Efficient construction: The most preferred model in civil construction, with fast construction speed and large capacity; adopting the sixthgeneration new material 445 Kelly bar, integrated locking device, drilling capacity increased by 25%, suitable for drilling in multiple strata.


Strong power: Imported large-displacement EFI engine, equipped with high-power main pump, using power optimization control technology, real-time power distribution, fast response speed, high fuel efficiency, saving energy by 10%~15%.


Step drum: Single layer wire rope winding for interlocking Kelly bar to meet 54 meters drilling depth; free of mutual extrusion and wear to increase service life by 35%.


High reliability: High standard design for mast and luffing boom, strong and durable, no cracking in 20,000 hrs operation. Large torque and high configuration reducer with wide high-efficiency working range, construction faster and safer.


Intelligent upgrade: HD touch screen, 3ms refresh frequency, smooth animation display.


Convenient maintenance: The external driving key of rotary drive facilitates maintenance and replacement; the main winch wire rope end is fixed by wedge, easy to disassemble and assemble. The special lubrication point connected with outlet hose to facilitate butter injection.

Main performances

Unit

Parameter

Remark

Pile

Max. drilling diameter

mm

2000


Max. drilling depth

m

68/54

Rotary drive

Rated output torque

kN·m

235


Rotation Speed

rpm

5~27


Crowd system

Crowd force

kN

210


Line pull

kN

270


Stroke

mm

5000


Main winch

Lifting capacity

kN

235


Wire rope diameter

mm

32


Max. line speed

m/min

70


Auxiliary winch

Lifting capacity

kN

80


Wire rope diameter

mm

20


Max. line speed

m/min

70


Mast inclination

Forward/backward

°

5/90


Lateral

°

±3


Main Chassis

Base engine

/

ISUZU 6UZ1


Engine power

kW/rpm

257/2000


Emission regulation

/

COMⅢ


Engine displacement

L

9.84


Chassis length

mm

7265


Extension width

mm

4500


Track shoe width

mm

800


Swing radius

mm

4360


Overall machine

Overall height

mm

22870


Operating weight

t

81


Transport width

mm

3540


Transport height

mm

3660


①: friction kelly depth / interlocking kelly depth

Kelly bar

Weight(Kg)

Depth(m)

Option

Interlocking kelly

Φ445×4×15

10300

40


Φ445×3×15

10600

50


Φ445×4×14

11300

54

Standard

Friction kelly

Φ445×5×14

10300

63


Φ445×5×15

10900

68


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