Special-shaped bearing seat dismounting and mounting turnover device

The utility model discloses a special-shaped bearing seat dismounting turnover device, which relates to the technical field of bearing maintenance and comprises a turnover base and a turnover frame which are rotatably connected, and the turnover frame comprises a positioning platform and two supporting arms connected onto the positioning platform. The positioning platform is movably connected with at least two groups of limiting block assemblies which are used for pressing towards different side surfaces and limiting five degrees of freedom of the special-shaped bearing seat, a plurality of positioning connecting holes are distributed in the positioning platform, and each limiting block assembly is locked and fixed through bolts connected with the positioning connecting holes; wherein the top end of one supporting arm is hinged to the supporting cross beam through a hinge shaft perpendicular to the positioning platform, the other end of the supporting cross beam is connected with the other supporting arm thro