Mud scraper with inner wall mud scraping structure for sewage treatment

The utility model relates to the technical field of sewage treatment, and discloses a sludge scraper with an inner wall sludge scraping structure for sewage treatment, which comprises a treatment pond, a sliding chute is arranged on the treatment pond, a rotating pond is arranged in the treatment pond, a sludge scraping assembly is arranged on the rotating pond, the sludge scraping assembly comprises a first connecting rod, and a second connecting rod is arranged on the first connecting rod. A second connecting rod is movably connected to the first connecting rod, an operator starts a motor to work, the motor drives a rotating shaft to rotate, the rotating shaft drives the first connecting rod to rotate, the first connecting rod drives the second connecting rod to rotate in a sliding groove, and at the moment, the first connecting rod drives a connecting column, a telescopic column and a scraping plate to be attached to a rotating pool to rotate; the sludge on the surface of the rotating tank is prevented fro