Recoverable anchor rod device

The utility model relates to the technical field of anchor rod supporting, in particular to a recyclable anchor rod device which comprises an anchoring head and an anchor rod body, the anchoring head is arranged at the front end of the anchor rod body, the anchor rod body comprises multiple sections of anchor rod assemblies, the multiple sections of anchor rod assemblies are sequentially connected, and the anchoring head is detachably connected with the end of the anchor rod assembly located at the front end; at least one end of each section of anchor rod assembly is provided with a locking part or a butt joint part; the locking part of each section of anchor rod assembly is connected with the butt joint part of the adjacent anchor rod assembly; the locking part extends in the axial direction of the anchor rod assembly and comprises a locking rod, and a clamping resistor is installed in the locking rod and can elastically stretch out of the outer circumferential face of the locking rod; the butt joint part ex