Maritime work platform building ventilation equipment

The utility model relates to the technical field of construction tooling equipment, and discloses maritime work platform construction ventilation equipment which comprises a bottom plate, mounting rods are symmetrically and fixedly assembled on the surface of the bottom plate, limiting plates are fixedly assembled on the tops of the mounting rods, rotating cavities are formed in the mounting rods, moving grooves are formed in the side faces of the mounting rods, and the rotating cavities are communicated with the moving grooves. A screw rod is movably assembled in each rotating cavity, a transmission gear is assembled on each screw rod, a threaded sleeve is movably assembled on each screw rod, mounting blocks are fixedly assembled on the threaded sleeves, the mounting blocks and the moving grooves are movably assembled, and a supporting block is fixedly assembled between the mounting blocks; according to the maritime work platform building ventilation equipment, through cooperation of the lead screws and the