Description

XR280DII rotary drilling rig is widely applied in pore-forming work of the cast-in-place concrete pile in construction of foundation works, such as highways, railways, bridges, ports and high-rise buildings.
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 its safety 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 with max drilling depth of 88m.
6、Several extended functions are available for selection, such as foot bracing oil cylinder, sleeve-driven.
It is equipped with a centralized lubrication system as standard configuration; maintenance is easy.

parameter
Driving force：520kN.m
Climbable gradient：35%
Traveling speed：1.5km/h
Ground pressure：102kPa
Engine model：QSM11-C400
Rated power：298kW（400HP）
Rated speed：2100 r/min
Max. drilling diameter：2200mm
Max. drilling depth (height of drill bit barrel: 0.8m)：88m

Drilling type: multi-function

Mobility: crawler

Drilling unit: rotary

Other characteristics: hydraulic, construction

Drilling diameter: Max.: 2,200 mm

Drilling depth: Max.: 88 m (288’08”)