Self-suction underwater fishing net cleaning device with side outlets

The invention discloses a self-suction underwater fishing net cleaning device with side outlets. The device comprises inlet filter screens, a flow-guide cover, a centrifugal pump and cutting devices;each cutting device comprises a plurality of cutting blades, and the cutting devices are arranged in the outlets (side outlets) of the centrifugal pump, and are used for cutting up attachments on a fishing net, filtering the attachments and then discharging the attachments; the flow-guide cover is in a shape of a funnel, one end with a large opening is connected with the inlet filter screens, andthe other end is connected with an inlet of the centrifugal pump; the inlet filter screens are provided with inlet filter screen brushes which are used for thoroughly clearing the attachments on the fishing net; and when cleaning work is conducted, the inlet filter screen brushes are tightly attached to the inlet filter screens, a mixture enters the inlet of the centrifugal pump through the flow-guide cover, the mixture su