Self-cleaning assembly and application thereof in sand control screen cleaning

According to the self-cleaning assembly and the application of the self-cleaning assembly in cleaning of the sand control screen pipe, integrated cleaning of scraping plate cleaning and brush cleaning of the outer wall of the sand control screen pipe is achieved in the cleaning process of the sand control screen pipe, sewage after cleaning is prevented from being discharged everywhere, sewage collection is achieved, and the cleaning efficiency is improved. The problem of adaptive adjustment of the positions of the scraping plate and the brush is solved; the device comprises a supporting base, the upper end of the supporting base is connected with a cleaning shell cover, the left side of the cleaning shell cover is connected with a supporting ring frame, the right side of the supporting ring frame is connected with a screen pipe supporting device, the screen pipe supporting device is connected with a driving device connected to the supporting ring frame, and the right side of the supporting ring frame is conne