Folding cover plate for sewage treatment equipment

The utility model provides a folding cover plate for sewage treatment equipment, which comprises a plurality of connecting plates sequentially and rotatably connected through rotating shafts, guide rails perpendicular to the rotating shafts are arranged on two sides of the connecting plates, the rotating shafts comprise a first rotating shaft and a second rotating shaft which are sequentially arranged at intervals, and the first rotating shaft is movably connected with the guide rails. A plurality of telescopic protrusions corresponding to the first rotating shafts are arranged at preset positions in the guide rail and used for jacking up the first rotating shafts, so that the axes of the first rotating shafts and the axes of the second rotating shafts are not on the same plane, a driving assembly is arranged at one end of the guide rail and connected with the first first rotating shaft close to the driving assembly, and the driving assembly is connected with the second rotating shaft close to the driving ass