Filling and fixing device for steel beam web

The utility model discloses a steel beam web plate filling and fixing device which comprises a steel beam and autoclaved aerated concrete blocks, and the autoclaved aerated concrete blocks are embedded between an upper flange plate and a lower flange plate and fixed on a web plate through mortar. The utility model further comprises a fixing structure, the fixing structure is fixed on the steel beam, and the fixing structure simultaneously acts and connects the outer sides of two adjacent autoclaved aerated concrete blocks, so that the autoclaved aerated concrete blocks have supporting force towards the web direction. The outer sides of the two adjacent autoclaved aerated concrete building blocks are simultaneously acted and connected through the fixing structures, so that the damage to the structures of the autoclaved aerated concrete building blocks is avoided, and the two adjacent autoclaved aerated concrete building blocks are connected into an integral structure; in addition, the multiple autoclaved aerat