Spraying signboard for variable numbers

The utility model discloses a spraying signboard for variable numbers, and relates to the technical field of signboards. The device comprises a supporting seat and a supporting column, an overturning cavity is formed in the center of the top end of the supporting column, supporting blocks are symmetrically and rotationally connected to the positions, close to the center, of the two side ends of the overturning cavity, and a connecting column is fixedly connected between the two supporting blocks. A worm gear is fixedly connected to the center of the outer surface of the connecting column, and a motor is fixedly connected to the front end of the overturning cavity. According to the signboard, the angle of the signboard body can be adjusted by rotating a crank and then under the mutual cooperation of a rotating shaft, a second bevel gear, a first bevel gear and a lifting column, and when the warning height position needs to be adjusted, only a second automatic telescopic column needs to be operated at the same