Self-suction underwater fishing net cleaning device capable of walking freely

The invention discloses a self-suction underwater fishing net cleaning device capable of walking freely. The self-suction underwater fishing net cleaning device comprises a carrying frame, an idler wheel walking mechanism, a flow guide cover, a propeller and a main driving mechanism, wherein the propeller and the main driving mechanism are arranged in the flow guide cover. The idler wheel walkingmechanism is arranged at the four vertex corners of the carrying frame in the form of four idler wheels. The flow guide cover is fixedly arranged in the carrying frame, a suction inlet filter screen is arranged at a front end inlet, and an outlet filter screen is arranged at a rear end outlet; a steel wire brush is arranged at the suction inlet filter screen; and a rotary cutter and an outlet cutter edge plate are further arranged at the rear end of the flow guide cover. When the self-suction underwater fishing net cleaning device is started, a fishing net is adsorbed on the suction inlet filter screen, a propeller is