Concrete spreader hopper head with remote control opening and closing mechanism

The utility model discloses a concrete spreader hopper head with a remote control opening and closing mechanism. The concrete spreader comprises a concrete spreader body, the concrete spreader body comprises telescopic supporting legs. A vertical frame is arranged in the middle of the top end of the telescopic supporting leg; a slewing bearing is arranged at the top end of the vertical frame; a balance arm is arranged at the top end of the slewing bearing; a main beam frame is arranged on one side of the balance arm; a first supporting rod is arranged at the top end of the balance arm and close to one side of the main beam frame. A vertical pipe is arranged in the vertical frame, the top end of the vertical pipe penetrates through the top end of the balance arm and is connected with a transverse pipe, the end, away from the balance arm, of the transverse pipe is connected with a discharging pipe, the discharging pipe is of an L-shaped structure, and first pull rods connected with the balance arm and the main