High strength beam -column connection steel construction

The utility model provides a high strength beam -column connection steel construction belongs to the steel construction field, it has solved the unstable problem of current beam -column connection. The utility model discloses a cylinder and crossbeam, still include a plurality of main connecting pieces and a plurality of pairs of connecting pieces, main connecting piece is one side open -ended box structure, and including connecting plate no. 1, two connecting plates that the shape is the same no. 2 and two sector plates that the shape is the same, connecting plate no. 1 and cylinder wall connection, the connecting plate no. 2 that two adjacent main connecting pieces correspond is parallel to each other, vice connecting piece is the I shape, and including two pterygoid laminas and a web, the web is arranged in between two adjacent main connecting pieces, and fix with connecting plate no. 2, the pterygoid lamina is fixed with the sector plate, the crossbeam is fixed with connecting plate no. 2 and/or sector pl