High-stability piling construction device and construction method

The invention discloses a high-stability piling construction device which comprises a main frame. A guide plate is slidably connected to the interior of the main frame; a piling column is fixedly connected to the middle of the lower surface of the guide plate through a bolt; a buffer seat is welded to the upper side of the guide plate; a connecting column is arranged on the upper side of the buffer seat; auxiliary supporting seats are arranged on the two sides of the lower end of the main frame; each auxiliary supporting seat comprises a supporting seat body welded to the lower end of the main frame, a rotating screw cylinder rotationally installed in the supporting seat body through a bearing, and a supporting screw rod screwed in the rotating screw cylinder; and a screw rod is fixedly connected to the lower end of each supporting screw rod. According to the high-stability piling construction device provided by the invention, the main frame with a circular structure and the auxiliary supporting seats are ado