Roadbed tamping device for road and bridge construction

The utility model discloses a road and bridge construction roadbed tamping device which comprises a hydraulic tamping machine, the two sides of the hydraulic tamping machine are each provided with a stress block, the stress blocks are fixedly connected to the upper position of the gravity center of the hydraulic tamping machine, rotating shafts are rotationally arranged in the stress blocks, second oil cylinders are arranged on the rotating shafts, and the second oil cylinders are connected with the hydraulic tamping machine. The bottom end of the second oil cylinder is fixedly connected with a supporting plate, and a plurality of universal wheels are arranged on the hydraulic rammer compactor. The hydraulic rammer compactor can slide horizontally by mounting the universal wheels and is convenient to move, and the hydraulic rammer compactor in a horizontal state is gradually erected by extending the second oil cylinder until the hydraulic rammer compactor is in a vertical state; through the arrangement of the