Dust suppression device for subway construction

The utility model discloses a dust suppression device for subway construction, which comprises a storage rod, the top of the storage rod is movably connected with a connecting rod through a rotating shaft, one end of the connecting rod is fixedly connected with a round rod, the round rod is sleeved with a connecting ring, the connecting ring is movably connected with six groups of supporting rods through a rotating shaft, and the six groups of supporting rods are movably connected with round pipes through rotating shafts. Connecting pipes are arranged outside the six sets of round pipes, the six sets of round pipes are connected through the connecting pipes, a positioning disc is fixedly installed at the top of the round rod and movably connected with the six sets of round pipes through rotating shafts, six sets of connecting bases are arranged outside the connecting pipes at equal intervals, nozzles are arranged in the middles of the connecting bases, and the connecting bases are two sets of connecting piece