High-strength anti-pulling anchor rod

The utility model discloses a high-strength anti-pulling anchor rod which comprises a rod body and a cavity formed in the rod body, and a reinforcing rod is arranged in the cavity. A cavity is formed in the rod body, pipe bodies communicated with the cavity are fixedly connected to the two sides of the rod body, conical rods are inserted into the pipe bodies, two symmetrical arc-shaped plates are arranged in the cavity, the reinforcing rod is located between the two arc-shaped plates, and the surfaces of the arc-shaped plates are fixedly connected with the ends of the conical rods. The device overcomes the defects in the prior art, the rod body enters a rock-soil layer in a hammering mode, then the reinforcing rod penetrates through the through hole in the top plate, the two arc-shaped plates are opened towards the two sides, the conical rod is pushed to move outwards, and the conical rod is inserted into rock-soil on the two sides of the rod body; and when the reinforcing rod completely enters the cavity, th