Device for accurately controlling depth and length of single-elevation deeply-buried CFG column

The utility model relates to a single elevation deeply buried CFG column depth and column length accurate control device, which comprises a base, a traction rope, a lifting seat, a power head, a drill rod and a reflective mark, the base is provided with a winding machine and a stand column, the upper part of the stand column is provided with a guide wheel, the traction rope is wound on the guide wheel, two ends of the traction rope are respectively connected with the winding machine and the power head, and the lifting seat is arranged on the lifting seat. The vertical column is sleeved with the power head, the power head can slide up and down along the vertical column, the drill rod is in transmission connection with a rotating shaft of the power head, the upper portion and the lower portion of the vertical column are provided with a pump stopping control reflective mark and a drilling depth control reflective mark respectively, and the power head is provided with a power head reflective mark. The power head