Concrete pile overwater survey lofting device

The utility model discloses an overwater survey lofting device for a concrete pile. The sleeving frame is composed of a plurality of cross rods and a plurality of vertical rods, the front portion and the rear portion of the sleeving frame are parallel, the upper portion and the lower portion of the sleeving frame are open, the reflection mechanism is arranged on the sleeving frame, and the fastening mechanisms are arranged on the sleeving frame and used for fixing the survey lofting device to a concrete pile. The reflection mechanism comprises a first reflection set arranged at the two ends of the top of the front surface of the sleeving frame and a second reflection set arranged below the first reflection set and parallel to the first reflection set. And the third reflection group is arranged on the sleeving frame at the rear end of the first reflection group, is overlapped with the first reflection group in the forward direction and is arranged forwards. According to the concrete pile overwater survey lofti