Tubular pile tensioning device

The utility model relates to the technical field of tubular pile production, and particularly discloses a tubular pile tensioning device which comprises a machine frame, a tensioning device and a tensioning device. The mounting part is slidably mounted on the rack, two chains are mounted on the rack and used for controlling the mounting part to vertically move, the mounting part comprises a mounting plate, a frame is arranged on one side of the mounting plate, and a movable positioning ring is arranged on one side of the frame. According to the tensioning device, horizontal and vertical movement and stable movement of the connecting sleeve can be achieved, the positioning ring is arranged on the outer side of the connecting sleeve, when the positioning ring is attached to a tubular pile head plate, positioning is conducted on movement of the connecting sleeve, it is guaranteed that the connecting sleeve is accurately connected with a head plate bolt through mechanical positioning, the structure is simple, the