Dirty oil collecting system of self-elevating platform lifting system

The utility model discloses a sump oil collecting system of a self-elevating platform lifting system. The sump oil collecting system comprises pile legs (1), pile leg racks (2), a storage device (6), a ship body structure (9), a local control box (10) and a driving console (11). The storage device (6) is fastened on the ship body structure (9), the storage device (6) is of a U-shaped box body structure, and side plates on the two sides except the area of the pile leg rack (2) extend to the ship body structure (9); a guide plate (14) is arranged on the side plate in the area of the spud leg rack (2), a rubber sheet (7) is arranged on the guide plate (14), and the spud leg rack (2) is surrounded by three surfaces of the rubber sheet (7); a storage bag (4) is arranged in the storage device (6), and a pressure sensor (3) is arranged below the storage bag (4). The lifting system sump oil collecting device is used for collecting sump oil of a lifting system and reducing pollution of grease to ocean. And sump oil is