Prestressed thin metal plate tensioning forming auxiliary device

The utility model relates to a prestressed thin metal plate tensioning forming auxiliary device, which is used for the auxiliary tensioning of installed roof thin metal plates and comprises an auxiliary tensioned plate, two sections of angle steel, a force bearing plate and a U-shaped screw bolt, wherein the auxiliary tensioned plate and the force bearing plate are positioned on the same horizontal plane, limb backs of the two sections of angle steel are oppositely split at both sides of the auxiliary tensioned plate and are connected into a whole through straight screw bolts, the force bearing plate and vertical limbs of the two sections of angle steel are connected through the U-shaped screw bolt, and the auxiliary tensioned plate and the deviated side of the force bearing plate are welded with the thin metal plate to be tensioned. The prestressed thin metal plate tensioning forming auxiliary device solves the technical problem of tensioning the thin metal plate in the narrow space and has the advantages th