Light support floor support plate

The utility model discloses a light support floor support plate which comprises a bottom plate. The steel bar truss is arranged at one end of the bottom plate and fixedly connected with the bottom plate, the steel bar truss comprises an upper chord bar and two lower chord bars, and the two lower chord bars are connected with the upper chord bar in a welded mode through web member steel bars; the light support structure comprises a first support and a second support, the first support is arranged at the upper end of the lower chord bar, positioning grooves which are arranged at equal intervals are formed in the upper end of the first support, and the second support is symmetrically arranged at the outer side end of the web member steel bar. According to the utility model, the additionally arranged steel bars are positioned through the arranged bracket structure, the positioning grooves of the bracket I are used for positioning and limiting the additionally arranged steel bars, and the positioning grooves and t