High pressure slurry filling anchor bolt

The utility model discloses a high pressure slip casting anchor rod used for tunnel reinforcement and rode slope protection, which belongs to mining technical field and transportation basic construction. A common steel pipe taken as a rod body whose outer portion is wound by special-shaped triangular wires in spiral wire rod structure. A slip overflow opening is provided on the rod body whose rear portion is welded with steel pipes with various diameters to achieve the equal strength with the rod body. A packing bag and a tray is provided after a mantle fiber and fixed by nuts. A high pressure gate valve is arranged on the rear portion of the steel pipe. The high pressure slip casting anchor rod is characterized by simple structure, low cost, easy acceptance by the market, capable of recycling, easy installment by machine or human labor and capable of effectively improving the working efficiency and the reliability of rock reinforcement.