Axial flow pump capable of preventing salt particle abrasion

The utility model discloses an axial flow pump preventing salt particle abrasion, which comprises a pump shell, a water outlet pipe and a pump shaft, a power mechanism connected with the top of the pump shaft is arranged in the pump shell, water inlet pipes are arranged at two ends of the bottom of the pump shell, a guide vane and an impeller are arranged on the water outlet pipe, a clamping groove is arranged in the water inlet pipe, and the clamping groove is connected with the water inlet pipe. A filter screen used for filtering salt particles is arranged in the clamping groove, a cleaning assembly is arranged in the pump shell, and an anti-suction assembly is arranged in the water outlet pipe. The cleaning assembly is used for preventing the filter screens from being blocked by salt particles and comprises a transmission shaft arranged between the two filter screens, a first bevel gear is arranged at the lower end of the pump shaft, a second bevel gear meshed with the first bevel gear is arranged on the t