Hard rail gap adjusting mechanism

The utility model discloses a hard rail gap adjusting mechanism. The hard rail comprises a hard rail body and a sliding cover beam, extending parts are arranged on the two sides of the hard rail body.Wherein the two are of an integrated structure, the extending part is matched with the interior of the connecting part; meanwhile, the extending part and the connecting part are in sliding connection; the connecting parts are integrally connected to the two ends of the sliding cover cross beam. An operating handle which is vertically distributed is arranged in an inner empty groove of the hard rail body, the operating handle is installed at the end of a rotating shaft, the tail end of the rotating shaft is rotatably connected to the interior of an extending part, a cross rod which is horizontally distributed is installed in the extending part, and a first abutting block and a second abutting block are arranged above and below the cross rod respectively. According to the hard rail gap adjusting mechanism, the mode