Movable external hydraulic oil impurity and dirt separation equipment

The invention belongs to the technical field of hydraulic oil impurity separation, and particularly discloses movable external hydraulic oil impurity and dirt separation equipment which comprises a supporting plate and walking wheels on the lower portion of the supporting plate, supporting frames are symmetrically arranged on the upper wall of the supporting plate, the upper portions of the two supporting frames are connected together through a supporting cross rod, and an automatic oil spraying assembly is arranged on the supporting cross rod. A multi-stage separation assembly is symmetrically arranged between the two supporting frames, the multi-stage separation assembly sequentially comprises a transverse moving assembly, a first-stage magnetic separation assembly, a multifunctional scraping assembly and a second-stage separation cabin from top to bottom, and a linkage assembly is arranged on the outer side wall of one supporting frame; the transverse moving assembly and the first-stage magnetic separation