The application relates to the technical field of
hydraulic engineering, in particular to a water conservancy steel gate overhauling device, which comprises a mountain body, a tunnel is arranged through the mountain body, a steel gate body is arranged on the inner wall of the tunnel, the tunnel is respectively connected with a water retaining groove and a placing cavity, a plugging mechanism, a sealing mechanism, a supporting mechanism and a cleaning and
drying mechanism are arranged in the water retaining groove and the placing cavity; the plugging mechanism comprises vertical blocks which are fixedly connected to the bottom of the placing cavity and correspond to the two sides of the water retaining groove; the water retaining plate can be uniformly stressed,
stress concentration can be avoided, the service life of the equipment can be prolonged, double-
system adjustment of the water retaining plate can be realized, one
system can continue to operate after the failure of the other
system, the water retaining plate can be prevented from running out of control, emergency disposal can be realized, the fault risk can be reduced, safety can be improved, and the plugging equipment can be applied to the mountain body with small internal space, and the applicability of the plugging structure is improved.