Spiral column and its dedicated pile sinking apparatus

The utility model relates to an anti-flood rescue pile and the specialized pile driving equipment. The spiral pile of the utility model comprises a cylinder, wherein a cylindrical helix is arranged on the cylindrical surface of the cylinder. A linkage pin arranged on the cylinder top end has the advantages that the pin is easy to break in and pulled out. When the linkage pin is in use, the connection with river bed is solid, safe and reliable. The specialized pile driving equipment of the utility model comprises a frame, wherein a a three-phase AC motor fixed on the rack is also included. A joint fixed on the output shaft of the three-phase AC motor is provided with a latch notch worked with the linkage pin. The switch controlling the three-phase AC motor installed on the frame has the advantages of simple structure, small size and light weight. The combined application of the spiral pile and the specialized pile driving equipment is with low noise and high efficiency.