XR280DⅡ Rotary drilling rig
1、It adopts dedicated hydraulic retractable crawler chassis and large diameter slewing bearing and has high stability.
2、The design of the machine complies with CE standard to ensure it’safty and Euro III emission standard.
3、Imported Cummins electric control turbo-supercharged engine with advantaged electronic and hydraulic control technique is used. it has strong power.
4、It adopts the back-located single-rope main winch structure to greatly prolong the service life of steel wire rope and lower the use cost.
5、Several forms of Drilling rods are available for construction of big holes and deep piles in hard formation.
6、Several extended functions are available for selection, such as foot bracing oil cylinder, sleeve-driven.
7、It is equipped with a centralized lubrication system as standard configuration; maintenance is easy.
| Description
| Unit
| Parameter value
| |
|
Max. drilling diameter
|
mm
|
2200
| |
|
|
| Max. drilling depth
| m
| 88
| |
| Allowable luffing scope (from center of drill rod to slewing center)
| mm
| 4410~4950
| |
| Drilling rig dimension in working condition (L × W × H)
| mm
| 10770×4800×23550
| |
| Drilling rig dimension in transport condition (L × W × H)
| mm
| 17410×3500×3815
| |
| Weight of overall unit (standard configuration, excluding drilling tool)
| t
| 96
| |
| Engine
| Model
|
| CUMMINS QSM11-C400
| |
| Rated power/speed
| kW
| 298/(2100r/min)
| |
| Hydraulic system
| Max. working pressure of main pump
| Mpa
| 35
| |
| Max. working pressure of auxiliary pump
| Mpa
| 30
| |
| Rotary drive
| Max. torque
| kN •m
| 280
| |
| Rotational speed
| r/min
| 6~22
| |
| Crowd cylinder
| Max. Pushing force
| kN
| 300
| |
| Max. Pulling force
| kN
| 300
| |
| Max.stroke
| mm
| 16000
| |
| Main winch
| Max.pulling force
| kN
| 260
| |
| Max. single-rope speed
| m/min
| 60
| |
| Auxiliary winch
| Max.pulling force
| kN
| 80
| |
| Max. single-rope speed
| m/min
| 65
| |
| Drilling mast
| Left/right inclination of mast
| °
| 4/4
| |
| Front/back inclination of mast
| °
| 5/15
| |
| Rotary table slewing angle
| °
| 360
| |
|
Traveling
| Max. traveling speed of the overall unit
| km/h
| 1.5
| |
| Max. climbable gradient of the overall unit
| %
| 35
| |
| Crawler
| Width of crawler plate
| mm
| 800
| |
| External width of crawler (min.-max.)
| mm
| 3500~4800
| |
| Center distance between two longitudinal wheels of crawler
| mm
| 5175
| |