Guide rail assembly of switch cabinet

The utility model relates to a guide rail assembly of a switch cabinet. The technical problem to be solved by the utility model is to provide a switch cabinet guide rail assembly which is firm in structure and high in safety. According to the technical scheme, the drawer comprises a drawer bottom plate, a left guide rail, a right guide rail and a locking linkage mechanism, the left guide rail and the right guide rail are each provided with a guide rail sliding part, the two sides of each guide rail sliding part are bent to form a guide rail inner blocking part and a guide rail outer blocking part respectively, the guide rail outer blocking parts are perpendicularly bent inwards to form guide rail upper blocking parts, and the locking linkage mechanism is arranged on the left guide rail and the right guide rail. The front end of the guide rail outer blocking part is bent outwards to form a guide rail front installation part, a guide rail installation hole is formed in the guide rail front installation part, a