HF20+ crawler type rotary drilling rig adopt pressurized drilling mode, enabling rotary drilling depth is 30m. matching the different specifications of drilling tools, pile hole diameter range up to 500-1600mm.
It has high drilling efficiency, and after construction, it can quickly move to next working site . flexible, convenient and efficient, is a national high-speed rail construction-specific piling machinery equipment.
This machine 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.
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