Steel bar protection layer control device for water transportation engineering

The utility model belongs to the technical field of water transportation engineering, and relates to a steel bar protective layer control device for water transportation engineering, which comprises a steel support template, an upper layer steel bar mesh, a lower layer steel bar mesh, scaffold tubes, a positioning component and a connecting component, and is characterized in that the steel support template is positioned above the upper layer steel bar mesh and the lower layer steel bar mesh; the positioning assembly comprises a positioning basket, a first screw rod, a second screw rod and a pipe clamp, the first screw rod is in threaded connection with the top end of the positioning basket, the second screw rod is in threaded connection with the bottom end of the positioning basket, a threaded sleeve is arranged on the pipe clamp, and the pipe clamp is in threaded connection with the first screw rod through the threaded sleeve; the scaffold pipe is fixedly clamped between the pipe clamp and the steel supporti