Structure for tensioning anchor rod by using anchorage device

The invention relates to the technical field of anchor rod tensioning, and discloses a structure for tensioning an anchor rod by using an anchorage device. The structure comprises the anchor rod and butt joint steel bars, the anchor rod is provided with an extension section exposed on the outer surface of a building, the extension section is fixedly connected with the anchorage device abutting against the outer surface of the building, and the anchorage device is fixedly connected with a butt joint frame. The lower end of a butt joint steel bar penetrates through the butt joint frame and is fixedly connected with the butt joint frame, a tensioning device is installed on the outer surface of the building, the upper end of the butt joint steel bar penetrates through the tensioning device from bottom to top, and the top of the tensioning device is fixedly connected with the upper end of the butt joint steel bar. According to the structure for tensioning the anchor rod by using the anchorage device, the anchorage