Track gauge-adjustable double-track fastener

The utility model provides a track-gauge-adjustable double-track fastener which comprises an iron base plate arranged on a sleeper and provided with two steel rails extending in parallel. The steel rail pressing plates are arranged on the iron base plate, and the steel rail pressing plates are connected to the two sides of the two steel rails in a pressing mode; the track gauge adjusting blocks are in an L shape, the track gauge adjusting blocks are arranged on the two sides of the two steel rails, the track gauge adjusting blocks are detachably arranged in gaps among the steel rail pressing plates, the steel rails and the iron base plates, the track gauge adjusting blocks have various sizes and specifications, and the track gauge is adjusted by replacing the track gauge adjusting blocks. The double-track fastener has the advantages of being simple in structure, high in transverse load bearing capacity, large in track gauge adjusting amount, simple in track gauge adjusting process operation, easy to achieve a