Truss type mud scraping system applied to sedimentation tank

The utility model discloses a truss type mud scraping system applied to a sedimentation tank. The truss type mud scraping system comprises a truss type mud scraper, a guide rail and a PLC (Programmable Logic Controller), the truss type mud scraper comprises a working bridge, a driving mechanism, a lifting mechanism, a mud scraping truss and a mud scraping plate, the driving mechanism is arranged at one end of the working bridge and comprises a driving motor, a first speed reducer, a coupler and a driving wheel; the driving motor is connected with the first speed reducer through the coupler, anoutput shaft of the first speed reducer is connected with the driving wheel, and the driving wheel is arranged on the guide rail; the top end of the mud scraping truss is hinged to the bottom of theworking bridge and rotationally connected to the bottom of the working bridge. The mud scraping plate is mounted at the bottom end of the mud scraping truss; the lifting mechanism is arranged at one end of the working bridge a