Fabricated building corner beam body connecting device

The utility model relates to a beam body connecting device at a corner of a fabricated building. The device is used for connecting a girder and a beam. Wherein the first connecting piece is detachablyconnected with a main beam, and the second connecting piece is detachably connected with a cross beam. The first connecting piece comprises a first fixing plate and a second fixing plate which are oppositely arranged, and a first connecting plate arranged between the first fixing plate and the second fixing plate; a first clamping groove is formed between the first fixing plate and the first connecting plate in a surrounding mode, the first clamping groove is clamped on the main beam, the first fixing plate and the first connecting plate are respectively provided with a second connecting piece, and each second connecting piece is provided with a second clamping groove which is provided with an opening opposite to one side of the first connecting piece and clamped on the cross beam. Duringinstallation, the first c