Intercepting and dredging device arranged at aqueduct landing section

The invention discloses an intercepting and dredging device arranged at the aqueduct landing section. The intercepting and dredging device comprises an aqueduct. Telescopic sleeves are fixed to the top end of the aqueduct, the inner wall of the aqueduct is connected with an auxiliary intercepting and dredging net, a waste water tank is arranged on the rear surface of the aqueduct, and the position, close to the front of the waste water tank, of the rear surface of the aqueduct is connected with a water pump; the side, close to the auxiliary intercepting and dredging net, of the inner wall of the aqueduct is provided with a connecting hole, the upper portions of the telescopic sleeves are connected with connecting plates, motor covers are arranged on the outer sides of the connecting plates, a strip-shaped groove is formed in the inner side of each connecting plate, and the inner wall of the waste water tank is connected with a filter net. Through the arrangement of the auxiliary intercepting and dredging net,