The utility model discloses a festival section case beam prefabricated construction structures, including the rubber buffer casing, and threaded hole is opened on the top of rubber buffer casing, open the screw hole both sides has oil inlet and oil -out, and the threaded hole internal thread connecting screw, all be equipped with on oil inlet and the oil -out towards the defeated oil pipe of hydraulic fluid tank, and defeated oil pipe is connected with hydraulic pressure pump connector, the inside of rubber buffer casing is equipped with the pneumatic cylinder, and the oil inlet of pneumatic cylinder and oil -out all are equipped with the check valve, the outer wall of rubber buffer casing is equipped with the rubber circle, the top of hydraulic fluid tank is equipped with manometer, hydraulic pump and handle, and the bottom of hydraulic fluid tank is equipped with the wheel, the rubber buffer casing is the block card when the installation, and the bottom card of card is on the gasket. The utility model discloses simple structure, the modern design, through the use of rubber buffer, festival section case beam prefabricated quality has obtained great improvement, has great spreading value.