Sewer anti-blocking well lid

The utility model relates to the technical field of urban drainage, in particular to an anti-blocking well lid for a sewer. The anti-blocking manhole cover for the sewer comprises a main body, a first cover body, a second cover body and a crushing assembly, the body is provided with an inner cavity, an inlet and an outlet, and the inlet and the outlet are located in the two opposite sides of the body respectively and communicated with the inner cavity. The first cover body is mounted at the inlet; the second cover body is movably arranged in the inner cavity along the direction from the inlet to the outlet, is at least provided with a first position and a second position, and is positioned on one side, close to the outlet, of the first cover body; the crushing assembly is connected with the main body and used for crushing materials borne on the second cover body when the second cover body is located at the second position. According to the anti-blocking manhole cover of the sewer, the manhole cover of the sew