Screen plate falling alarm device of sculping screen

The utility model belongs to the technical field of coal production, and particularly relates to a screen plate falling alarm device of a sculpture screen, which comprises a vibrating screen chute, the inner wall of the vibrating screen chute is fixedly connected with two ends of a cross rod, the bottom side of the cross rod is fixedly connected with the top end of a vertical rod, and a bolt assembly is inserted into the bottom end of the vertical rod. An inclined coal blocking switch is hung on the bolt assembly, a water retaining cover is fixedly arranged on the outer side of the vertical rod, a protective shell is in threaded connection with the vertical rod below the water retaining cover, and the inclined coal blocking switch is stable and convenient to install and is matched with the water retaining cover and the protective shell to work and use safely; and after being collided and inclined by coal briquettes, the system timely controls the audible and visual alarm to give an alarm and transmits a signa