Cleaning and dust-collecting device for air filter element of internal combustion engine

The utility model provides a cleaning and dust-collecting device for air filter elements of internal combustion engines, which is characterized in that a bracket is arranged on a flat bed trailer, and a blower fan is arranged on the bracket, wherein, the upper end of the blower fan is provided with an inlet and the side end of the blower fan is provided with an outlet. The inlet on the upper end of the blower fan is provided with a semi enclosed round barrel, and a rotary filter element bracket used to place filter elements and a press cover used to prevent the powder dust from escaping are arranged on the lower end in the semi enclosed round barrel. The outlet on the side end of the blower fan is provided with a cyclone dust removal separating device and a dust collector, the upper end of the dust collector is provided with a labyrinth partition plate and an air outlet, and the lower end of the dust collector is connected with an extractable dust collection box. The lower end of the blower fan is provided with a starting switch and a pneumatic motor which is provided with a compressed air interface and is used to drive the blower fan to rotate, and an air storage tank is arranged on one side of the bracket. The upper end of the air tank is provided with a check valve connected with the compressed air interface of the pneumatic motor, and the upper end of the air tank is connected with a filtration pressure reducing valve and a dust blowing gun in series.