Overturn-preventing device on ultrahigh railway line

An anti-overturning device on an ultrahigh railway line is arranged on a wheel on a high-strand side steel rail and comprises a hanging plate, a stop lever and a bolt. The number of the hanging plates is two, the hanging plates are symmetrically arranged on the two sides of the corresponding wheels respectively, mounting holes are formed in the inner side portions of the hanging plates, the outer side portions of the hanging plates are bent downwards to form hook portions matched with the high-strand-side steel rails, through bolt holes are formed in the hook portions, and bolts with the top ends abutting against the outer side walls of the high-strand-side steel rails are installed in the bolt holes; the two ends of each stop lever are arranged in the mounting holes of the two hanging plates in a penetrating mode respectively, the stop levers are located on the inner sides of the corresponding wheels, and the center lines of the stop levers are higher than the upper end face of the high strand side steel rai