The invention relates to a continuous multi-shaft
cement mixing
pile device and a construction method; the multi-shaft continuous
cement mixing
pile device comprises a walking type main
machine, a crawler type main
machine, a winding engine, a guide rod, a steel
wire rope, an air and
grout inlet, a power head, a speed changing box, a reduction box,
drill stems, middle supporting frames, lower supporting frames, winged
drill stems, hoops,
drill bits, air injection ports,
grout spraying ports and a background
cement grout stirring
system, wherein the winding engine and the guide rod are fixed on the main machines, the power head is connected with a
pulley arranged at the top end of the guide rod through the steel
wire rope; the steel
wire rope drives the power head to be lifted up and down; the power head is sequentially connected with the multiple drill stems through the speed changing box and the speed
reducer; the middle supporting frames are arranged in the middle parts of the multiple drill stems; the lower supporting frames are arranged at the lower parts of the multiple drill stems; the winged drill stems are connected with the lower ends of the drill stems; the hoops are arranged on the winged drill stems; the drill bits are connected with the lower end of the winged drill stems; and the air injection ports and the grout spraying ports are arranged on the drill bits. Compared with the prior art, the continuous multi-shaft cement mixing
pile device has the advantages of noiselessness, non vibration, ensured safety and quality, cost reduction, high efficiency, shortened construction period and the like.