Temporary supporting structure of span-overrun steel bar truss floor support plate

The utility model discloses a temporary support structure of a span overrun steel bar truss floor support plate, which is used for construction support of the floor support plate between two steel frame beams, and comprises two groups of longitudinal supports, a plurality of transverse supports and a plurality of transverse supports, each group of longitudinal supports comprises a vertical longitudinal plate, a supporting part arranged at one end of the longitudinal plate and a clamping part arranged at the other end of the longitudinal plate, and the longitudinal supports abut against the side edge, facing the other wing plate, of the wing plate close to the floor support plate; the clamping parts are clamped on two opposite surfaces of the wing plate far away from the floor support plate, so that the longitudinal support is fixedly connected to the steel frame beam; and the transverse support is connected between the two groups of longitudinal supports and is used for supporting the floor support plate in t