Draw and suppress one -way buckling restrained brace device of weak type

The utility model relates to a draw and suppress one -way buckling restrained brace device of weak type sets up in the major structure for the direction of collapsing of control body structure in the earthquake, this strutting arrangement includes buckling restrained brace subassembly, last flange connecting plate, descends flange connecting plate and reinforcing pull rod, reinforcing pull rod and buckling restrained brace subassembly the lower extreme respectively with flange connecting plate fixed connection down, the upper end and the last flange connecting plate fixed connection of buckling restrained brace subassembly, the upper end of reinforcing pull rod is equipped with the screw thread to pass flange connecting plate, the screw thread overcoat be equipped with the nut, last flange connecting plate and lower flange connecting plate respectively with major structure fixed connection. Compared with the prior art, the utility model has the advantages of control collapse direction, simple structure, with