The utility model discloses an automatic cleaning type
grating device, which relates to the technical field of
sewage treatment and comprises a
sewage tank, a water inlet
pipe and a water outlet
pipe are fixedly connected below the left side and the right side of the
sewage tank in a penetrating manner, and a driving component is arranged on the left side in the sewage tank. A cleaning
assembly is arranged on the side, close to the driving
assembly, of the inner wall of the sewage tank. According to the
sewage treatment device, the
barrel-shaped
grating and the fixing column rotate through starting of the first motor,
dirt in sewage is cleaned and moved through rotation of the fixing column, the
dirt is scraped through the arrangement of the connecting plate and falls down on the conveying belt, the
dirt is conveniently conveyed into the collecting box, and therefore dirt collection is completed, and meanwhile the dirt is prevented from falling off during collection. And a third motor, a
cam and a spring are arranged, so that a material guide plate shakes, the discharging speed after dirt is collected is increased, and through the arrangement of the structure, the dirt cleaning and collecting effects on the surface of the cylindrical
grating are achieved while the dirt is conveyed.