Multifunctional spliced ladder rib

The invention particularly relates to a multifunctional spliced ladder rib, and solves the problems of serious waste, high labor intensity and higher cost of the existing ladder rib due to unreasonable structural design. The multifunctional spliced ladder rib comprises two frame bodies which are distributed front and back, each frame body comprises main rods, corner connecting pieces are arrangedbetween every two adjacent main rods, telescopic rods are arranged between every two corresponding front and back corner connecting pieces, the main rods of the two frame bodies are each sleeved witha plurality of steel bar clamping sleeves, a steel bar clamping rod is arranged on the side wall of each steel bar clamping sleeve, one steel bar clamping rod is fixed to the side wall of the corresponding steel bar clamping sleeve, the other steel bar clamping rod penetrates into the side wall of the corresponding steel bar clamping sleeve, and arc-shaped sliding pieces are fixed to the inner ends of the steel bar clampin