Inlet slide plate door of boiler coal feeder

The utility model discloses a boiler coal feeder inlet inserting plate door which comprises a raw coal hopper and a coal feeder inlet pipe, a connecting plate is fixedly arranged at the bottom of the raw coal hopper, and the connecting plate is fixedly arranged at the top of the coal feeder inlet pipe. A motor base is fixedly arranged on the side wall of the connecting plate, a motor is fixedly arranged at the top of the motor base, the output end of the motor extends into the connecting plate, a moving groove is formed in the inner side wall of the connecting plate, and an opening and closing device is arranged on the side wall of the moving groove. Through cooperative use of the motor, the transmission assembly and the opening and closing assembly, transmission of a gear and a gear rack is achieved, a moving plate pushes coal feeder inserting plates, the diameter of the joint, closed by each coal feeder inserting plate, of a coal feeder inlet pipe and a raw coal hopper exceeds half, the middle parts are ove