The invention discloses an opening and closing device of a water
sluice gate. The opening and closing device of the water
sluice gate structurally comprises a first safety
crank, a first
crank connecting block, a connecting and limiting end block, a supporting base plate, a fixed protecting outer frame, a second safety
crank, a second crank connecting block, a
brake locking device, a fixed protecting disc, a top cover protecting cover, a full steel pulling
rope and a
rope rotating outer frame. The upper end of the supporting base plate is welded to the lower end of the fixed protecting outer frame, and the upper end of the fixed protecting outer frame is assembled at the lower end of the connecting and limiting end block. The opening and closing device of the water
sluice gate disclosed bythe invention has the beneficial effects that by additionally arranging the
brake locking device on the equipment, the equipment in a
service condition of a relatively long time can
brake immediatelywhen the
rope is rusted or is abraded severely to break accidently, so that the condition that the water
sluice gate falls accidently is avoided, and therefore, accidental risks are prevented. The using safety of the equipment is further guaranteed, and the opening and closing device of the water
sluice gate is relatively practical.