Clip type anchorage applying to carbon fiber reinforced polymeric material prestressing force rib

The invention discloses a gripper anchorage device which is used on carbon fiber reinforced polymeric material prestressed reinforcement, which comprises an anchor ring and a wedge clamping piece which is arranged in the anchor ring, wherein a fastening piece is further arranged on the outer side of the anchor ring, the fastening piece is used to fix the anchor ring which can move up and down along the fastening piece on a position, and is an anchoring nut which is connected with the anchor ring through threads. Compared with the prior art, the anchorage device of the invention arranges the fastening piece on the outer side of the anchor ring which moves along the prestressed reinforcement under the effect of a pulling jack when the prestressed reinforcement CFRP is stretched, and the prestressed reinforcement is stopped from stretching when the prestressed reinforcement meets the given prestress. The fastening piece which is arranged on the outer side of the anchor ring is regulated, and the anchor ring is a