Canal opening valve for canal irrigation

According to the technical scheme, the canal irrigation canal opening valve comprises a valve plate, the bottom of the valve plate is rotationally arranged on a bottom plate, the bottom plate is fixed to the bottom of a canal channel, and a water passing pipe is arranged on the valve plate in a penetrating mode; the transverse seat is detachably connected with the valve plate, and stand columns are arranged on the two sides of the transverse seat and the two sides of the valve plate; the sealing blocking piece moves to block or open the water passing pipe; the sealing blocking piece comprises a sealing part, a water flow adjusting part and a connecting rope. The valve has the advantages that the water passing pipe is arranged on the valve plate, the sealing part is arranged at the position of the water passing pipe, opening and closing of the water passing pipe are controlled through the sealing part, the water flow adjusting part is connected to the sealing part through the connecting rope, the water passing