Supporting equipment for stone blasting of highway subgrade

The utility model discloses supporting equipment for highway subgrade stone blasting, which comprises a device lower end, the device lower end comprises a base, the middle of the top of the base is rotatably connected with a plurality of rotating rods, and the rotating rods are linearly arranged above the base at equal intervals. The two sides of the bottom end of the rotating rod located in the middle penetrate through the base and are fixedly provided with a plurality of clamping shafts, the bottom ends of the rotating rods located on the two sides are fixedly provided with a plurality of clamping shafts close to one side of the rotating rod located in the middle, and transverse rods are fixedly installed in the middles of the inner walls of the rotating rods in the middle and the two sides. The top ends of the three rotating rods are rotationally connected with supporting plates, the tops of the rotating rods are connected with baffles through the supporting plates, when the rotating rods rotate, the baffl