Fabricated truss floor support plate

The utility model provides an assembly type truss floor support plate which comprises a supporting pipe which is of a hollow structure and is connected to a bottom plate in a bolted mode, clamping openings used for containing lower chord members of a steel bar truss are formed in the two ends of the supporting pipe, two sliding columns are arranged in the supporting pipe in a penetrating mode, and a spring is fixedly connected between the two sliding columns. The outer end face of the sliding column is provided with a clamping groove used for clamping the lower chord located in the clamping opening. According to the steel pipe truss floor support plate, an existing steel pipe truss floor support plate is optimized and improved, the supporting pipes connected to the bottom plate in a bolted mode are additionally arranged, the bottom plate can be conveniently detached in the later period, the sliding columns designed in a matched mode are pushed by the springs to move towards the bayonets, and lower chord membe