Rotary Drilling Rig
is applicable to soil, clay, fill soil, silt, silt layer, and some strata contain pebbles, gravel; widely used in high-speed rail trestle piles, slop shield piles, photovoltaic power station foundation pile, power grids, civil construction, new rural construction, municipal construction, landscaping and other projects.
The rotary drilling rigs
can be specially equipped with telescopic friction & interlocking Kelly bar, and casing oscillator for suiting the following applications:
Cased bore piles with casing driven adapter through rotary head or optionally by casing oscillator powered by the base carrier itself;
Deep bored piles stabilized by drilling fluid or dry hole; Soil Displacement Piling System Auger Drilling Machine and screw Drilling Machine