Suction dredger with automatic cleaning brush

The utility model provides a suction dredger with automatic cleaning brush relates to suction dredger technical field, including suction dredger, first motor and cleaning structure, the upper end of suction dredger is provided with the upper frame, and the left and right two parts of upper frame are fixed with upper support plate, on the upper support plate is fixed with top plate, and the top plate is fixed with the cleaning brush. A first fixing sleeve is arranged in the middle of the top plate, a first motor is sleeved with the first fixing sleeve, a first rotating shaft is installed at the lower end of the first motor, a cleaning structure is installed on an upper rod body of the first rotating shaft, and lower mud scraping plates are arranged on the left side and the right side of the lower portion of the first rotating shaft. According to the sludge suction machine, filter residues such as branches and fallen leaves can be filtered from sewage, the sewage can be conveniently stirred and mixed in an acce