Cement mixing pile depth measuring device

The utility model discloses a cement mixing pile depth measuring device which comprises a circular base, vertically upward supporting columns distributed at equal intervals are fixedly arranged on the outer wall of the top of the circular base, a top plate is fixedly arranged at one end of the top of each supporting column, and six inner threaded holes distributed at equal intervals are formed in the outer wall of the top of the circular base. An external threaded column is in threaded connection with the inner wall of the internal threaded hole, a supporting bottom plate is fixedly arranged on the outer wall of the bottom of the external threaded column, and a wheel disc is fixedly arranged at one end of the top of the supporting bottom plate. The horizontal rulers arranged at the tops of the three balance supports are observed, the wheel disc is rotated to drive the external threaded column to rotate so as to adjust the supporting height of the circular base till the three horizontal rulers are kept horizon