Rapping device for electric dust remover

The rapping device comprises a shell, flapping rods and a fixing frame, a first connecting bin and a second connecting bin are arranged in the shell, two first gears are rotationally arranged in the first connecting bin and meshed with each other, and the two flapping rods horizontally slide on one side of the surface of the shell. The surfaces of the two beating rods are fixedly connected with connecting columns, one ends of the two connecting columns are fixedly connected with sliding rods, the two sliding rods are arranged in the shell in a sleeved mode, a first sliding mechanism for sliding the two sliding rods is arranged in the shell, the fixing frame is arranged on one side of the surface of the shell, and the shell slides on the surface of the fixing frame. A second sliding mechanism of the sliding shell is arranged on the surface of the fixing frame. Through the arrangement of the two sliding rods, the two sliding rods can slide in the process of sliding the shell up and down, and meanwhile, the two