Measurement auxiliary device for engineering quality detection

The utility model discloses an auxiliary measuring device for engineering quality detection, which comprises a length measuring assembly, a horizontal measuring assembly is arranged on the inner side of the length measuring assembly, the horizontal measuring assembly comprises a fixing ring, two sides of the fixing ring are respectively provided with a circular ring, the inner side of one circular ring is provided with two fixing holes, and the inner side of the other circular ring is provided with a fixing hole. A bubble pipe is arranged on the inner side of the fixing ring, a semicircular piece is arranged at the front end of the inner side of the fixing ring, a shell is arranged at the position, close to the front, of the center of one side of the semicircular piece, a telescopic column is arranged at the position, penetrating through the center of the front end of the inner side of the shell, a round piece is arranged at one end of the telescopic column, and a spring is arranged at the position, located a