Multi-labyrinth shot accumulation type soft sealing device at top of shot blasting machine chamber body

The invention belongs to the technical field of shot blasting equipment, and particularly relates to a shot blasting machine chamber top multi-labyrinth shot accumulation type soft sealing device which comprises a chamber top protection assembly, a lifting hook protection assembly and a lifting hook guide device. The room roof protection assembly comprises a sealing cover; a plurality of shot baffles of the lifting hook protection assembly and a sealing guide plate of the chamber top protection assembly form a labyrinth type sealing structure; the area between the sealing plate of the lifting hook protection assembly and the bottom plate and the side plate of the sealing cover is a soft sealing area, and the soft sealing area is fully filled with steel shots or steel grits in a working state to realize soft sealing; compared with the prior art, the multi-labyrinth shot accumulation type soft sealing device at the top of the chamber body of the shot blasting machine has the advantages that the sealing plate an