Anti-seismic steel rail potential limiting device

The utility model discloses an anti-seismic steel rail potential limiting device which comprises a cabinet body shell, a cabinet inner cross beam, a cabinet bottom cross beam, stand columns, a cabinet front door plate, a first supporting seat, a second supporting seat and spring supporting rods, the cabinet body shell comprises a top plate, a cabinet rear sealing plate and cabinet side sealing plates, and the cabinet bottom cross beam is installed on a foundation or the ground through bolts and a plurality of fixing installation holes. The first supporting seat is fixed to the ground, the second supporting seat is fixed to a cabinet side sealing plate, and a spring supporting rod is connected between the first supporting seat and the second supporting seat, so that the problems that a traditional anti-seismic cabinet body structure is poor in horizontal vibration coping effect, the whole structure is not stable and firm enough, and the stability and the service life of equipment are affected are solved; the b