Fabricated floor support plate component

The utility model discloses an assembly type floor support plate component, and relates to the technical field of buildings. According to the assembly type floor support plate component, through the arrangement of the reinforcing assemblies and the positioning assemblies, when a floor support plate is assembled, the floor support plate is firstly hoisted to a preset position of a wall body to be aligned with a preset rib installed in the wall body, and then the floor support plate is fixed to the outer side of the wall body through cooperation of positioning plates on the two sides, positioning shaft rods and nuts; then reinforcing ribs with the corresponding lengths are selected according to the lengths of the preset ribs, the reinforcing ribs are inserted into the cylindrical holes correspondingly till the reinforcing ribs are attached to the corresponding preset ribs, then sealing plugs are used for blocking, then slurry is injected into the slurry storage groove through the grouting holes till slurry is f