Anchor withdrawing tool for prestressed tendon

The utility model discloses a prestressed tendon anchor withdrawing tool which is used for being installed with a working anchor plate in a matched mode and comprises a supporting frame. The supporting frame comprises a first side plate and a second side plate which are installed on the two side edges of the working anchor plate in a matched mode, and a fixing plate fixedly connected with the first side plate and the second side plate in the top edge direction of the working anchor plate. Positioning steps matched with the two side edges of the working anchor plate are arranged on the lower portions of the opposite side walls of the first side plate and the second side plate. According to the prestressed tendon anchor withdrawing tool, the supporting frame can be prevented from moving towards the two sides of the working anchor plate, unbalance loading is prevented from being generated in the anchor withdrawing process, stress parts are the edges of the two sides of the working anchor plate in the anchor with