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XR400E Rotary Drilling Rig

1、The luffer is designed to double-boom style to provide extraordinary stability and transport convenience whose hinge joint has been majorized.

2、It adopts the H-style dedicated hydraulic retractable crawler chassis and large diameter slewing bearing to provide extraordinary stability and transport convenience.

3、Imported Cummins electric control turbo-supercharged with three gears engine is used, it has strong power. According to specific working conditions, the users can select a corresponding gear of the engine, getting the drilling rig working as three engine.

4、The main hydraulic system adopts the negative flow control, and adopts the main power control and limit power control together which can increase the system efficiency and make the most of the engine power. It adopt three-in-one colling system which is tightly packed and has a high-efficiency in cooling.

5、It adopt the single-rope for main winch to figure out the wear of the steel rope, and extend the life-span.

6、The rotary drive can switch from Nromal Mode, Rock Mode and Energy-Saving Mode, the user can select a corresponding mode of the rotary drive according to the specific working conditions, which can greatly improve the working efficiency and low the fuel consumption.

7、Optional configuration according to customers' requirement, E.g: Crowd winch, Outrigger cylinder, Sleeve-driven and so on.

8、It is equipped with a centralized lubrication system as standard configuration to provide more convenient maintenance and make the machine a good reliability .


Description

Unit

Parameter value



Max. drilling diameter


mm


2800




Max. drilling depth

m

103


Allowable luffing scope (from center of drill rod to slewing center)

mm

4700~5200


Drilling rig dimension in working condition (L × W × H)

mm

10995×4900×26640


Drilling rig dimension in transport condition (L × W × H)

mm

20755×3500×3910


Weight of overall unit (standard configuration, excluding drilling tool)

t

113


Engine

Model


CUMMINS  QSX15-C500


Rated power/speed

kW

373/(2100r/min)



Max. working pressure of hydraulic system

Mpa

35


Rotary drive

Max. torque

kN •m

400


Rotational speed

r/min

7~25


Crowd  cylinder

Max. Pushing force

kN

300


Max. Pulling force

kN

400


Max.stroke

mm

6000



Crowd  winch

Max. Pushing force

kN

400


Max. Pulling force

kN

400


Max.stroke

mm

18000


Main winch

Max.pulling force

kN

360


Max. single-rope speed

m/min

60


Diameter of the steel wire rope

mm

36


Drilling mast

Left/right inclination of mast

°

4/4


Front/back inclination of mast

°

5/15


Rotary table slewing angle

°

360


Crawler

Width of crawler plate

mm

800


External width of crawler (min.-max.)

mm

3500~4900


Center distance between two longitudinal wheels of crawler

mm

5600


Average ground pressure

kPa

120



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