Top beam device with energy absorption and scour prevention functions

The top beam device with the energy absorption and anti-impact functions comprises a top beam and a top beam cover plate, a limiting ring is arranged on the peripheral side of the top of the top beam, a plurality of rubber metal springs are arranged on the top beam, the rubber metal springs are located in the limiting ring, a plurality of filling spaces are defined by the rubber metal springs, and the rubber metal springs are arranged in the filling spaces. Each filling space is filled with an energy-absorbing anti-impact material, the top beam cover plate is located above the multiple rubber metal springs and connected with the tops of the rubber metal springs, positioning lug plates are arranged on the periphery of the bottom face of the top beam cover plate, and the positioning lug plates are movably inserted into the limiting ring and can move up and down along the limiting ring. The multiple rubber metal springs are arranged, the space defined by the multiple rubber metal springs is filled with the energ