Oiling and filtering device for diesel monorail crane

The utility model discloses an oiling and filtering device for a diesel monorail crane, and relates to the technical field of monorail cranes, the oiling and filtering device comprises a hand-operated oil pumping device structure and a filtering structure, the oil outlet end of the hand-operated oil pumping device structure is movably connected with the filtering structure, and the filtering structure comprises a sleeving cylinder; the inner wall of the sleeving barrel is movably connected with lap joint half pipes, a guide pipe is arranged below the lap joint half pipes, a bottom ring is fixedly installed at the bottom end of the guide pipe, a filter screen is arranged on the inner side of the bottom ring, and the two lap joint half pipes can be promoted to clamp an oil outlet pipe between the two lap joint half pipes through reset springs arranged on telescopic sleeve rods in a sleeving mode. Diesel oil discharged from the oil outlet pipe can be filtered through the filter screen, so that diesel oil precipi