Ultrasonic assembly for anti-collision protection of bucket wheel machine

The utility model discloses an ultrasonic assembly for anti-collision protection of a bucket wheel machine, which relates to the field of ultrasonic ranging and comprises a protective casing, a cover plate arranged at the top end of the protective casing, a mounting seat fixedly connected to the back of the protective casing, threaded holes arranged at four corners of the top end of the protective casing, and an ultrasonic ranging module arranged in an inner cavity of the protective casing. A dustproof assembly is arranged on the inner wall of the protective shell and comprises a supporting plate, one side of the supporting plate is fixedly connected with the inner wall of the protective shell, a fixing block is fixedly connected to the top end of the supporting plate, two round pipes are symmetrically arranged at the top end of the fixing block, and air bags are arranged in inner cavities of the two round pipes. According to the utility model, the design of the dustproof assembly is utilized, after the extru