The invention discloses a high-speed deep stirring drilling
machine and a construction method thereof, and belongs to the field of
pile foundation construction equipment. The high-speed deep stirringdrilling
machine comprises a
chassis, a drilling
machine front end, a drilling machine background, a power
system, a
pile frame and a control platform, wherein the power
system comprises an oil cylinder power
system, an annular rotating power system, a vertical rotating power system, a
chassis power system, a
pile frame power system and a drilling machine accessory power system; an air
pipe and aslurry
pipe are mounted in an outer drilling rod; a constant-pressure valve is mounted on the side, near a power head, of the air
pipe in the outer drilling rod; an
exhaust valve is mounted on the outer drilling rod corresponding to the constant-pressure valve; an air pipe sleeve and a
slurry pipe sleeve are mounted in an inner drilling rod; pulleys are correspondingly mounted at the top and the bottom of an oil cylinder
barrel; a lower steel
wire rope is wound on the
pulley at the bottom of the oil cylinder
barrel; and an upper steel
wire rope is wound on the
pulley at the top of the oil cylinder
barrel. The high-speed deep stirring drilling machine is stable and reliable in pressurization, can be suitable for multiple soil
layers and rock
layers, reduces the cost, improves the strength and the rigidity of the drilling rods, and prolongs the service life of the drilling rods.