Manual disassembly-free deep-well pump inlet filtering device

A manual disassembly-free deep-well pump inlet filtering device comprises a flange, a guide ring, a pipeline, a hinge, a supporting pore plate, a filter screen, an elastic component, a steel wire rope and a pull ring. The plurality of guide rings are uniformly arranged on the outer edge of the flange, and the pipeline is fixedly arranged at a center hole of the flange; the supporting pore plate is arranged at an inlet of the pipeline, a cavity is formed between the supporting pore plate and the inlet of the pipeline, and a filter screen is arranged on the outer surface of the supporting pore plate; the supporting pore plate comprises a plurality of supporting plate bodies, the filter screen comprises a plurality of screen bodies, and the screen bodies cover the outer surfaces of the corresponding supporting plate bodies; the supporting plate bodies are connected through elastic components. The filter screen at the inlet of the deep-well pump is arranged in a multi-piece split mode, through traction of the ste