Overturn-preventing device for water cooled cover and lifting stand column of ladle refining furnace

The invention provides an overturn-preventing device for a water cooled cover and a lifting stand column of a ladle refining furnace. The overturn-preventing device comprises a lifting-hanging mechanism and a connecting piece. The lifting-hanging mechanism is connected with a water cooled cover through the connecting piece, and supplies upward-direction tensile force to the water cooled cover. According to the overturn-preventing device, the upward-direction tensile force is supplied to the water cooled cover through the lifting-hanging mechanism, and the gravity and the downward inertial resistance of the water cooled cover can be balanced; meanwhile, as the water cooled cover is connected with the lifting stand column, the tensile force supplied by the lifting-hanging mechanism indirectly supplies upward-direction tensile force to the lifting stand column, it is prevented that due to large downward acting force, the water cooled cover and the lifting stand column are unbalanced, the overturn phenomenon is p