Permanent blanket structure of metro open cut station

The utility model relates to a permanent blanket structure of a subway open cut station. The existing subway open cut station has the problems of large traffic guide and change range, long surrounding traffic influence period and the like in the construction process. The station concrete supporting piles are located on the two transverse sides of an open cut foundation pit and longitudinally arranged in rows. A longitudinal supporting pile upper crown beam is arranged on the pile top of the station concrete supporting pile, and a crown beam upper anchor cable is arranged on the supporting pile upper crown beam from inside to outside. Latticed columns are arranged in the open cut foundation pit and are longitudinally arranged in rows; and a station top plate is arranged above the support pile upper crown beam and the latticed column. According to the utility model, the existing support piles in station foundation pit support measures are combined with the temporary lattice columns and the connecting beams to f