Yielding anchor rod for surrounding rock supporting of deep large-deformation roadway

The utility model discloses a yielding anchor rod for surrounding rock support of a deep large-deformation roadway, which comprises a first anchor rod, a hollow anchor rod, a second anchor rod and ananchor cable, the first anchor rod is connected with the front end of the second anchor rod through the hollow anchor rod, the anchor cable is arranged in the hollow anchor rod, and two ends of the anchor cable are respectively connected with two ends of the hollow anchor rod; a yielding device is arranged on the side wall of the hollow anchor rod; blocking plates are arranged at the rear end of the first anchor rod and the front end of the second anchor rod respectively. An anchoring agent anchoring mode and a grouting anchoring mode are combined, the first anchor rod is anchored through an anchoring cartridge, the second anchor rod is anchored through a grouting mode, and compared with a common anchor rod with a single anchoring agent, the anchor rod is firmer, more reliable and better in anchoring effect; the u