Suspended self-drilling anchor rod device

Abstract

A suspended self-drilling anchor rod device includes an anchor rod, a drill bit, a retaining member, and a reverse clamping claw. The drill bit is disposed at an end portion of the anchor rod, the retaining member is fixed to the anchor rod, and the reverse clamping claw is located between the retaining member and the drill bit. The reverse clamping claw includes a sleeve and claw bodies, the sleeve is sleeved on the anchor rod and spaced apart from the anchor rod, the claw bodies are arranged around the sleeve, with connection end portions of the claw bodies being fixedly connected to the sleeve and free end portions thereof extending toward the retaining member; an outer diameter of a ring formed by the free end portions of claw bodies is larger than an outer diameter of the drill bit.