| 摘要 |
The present invention relates to a compression-type anchor with a central pipe characterized by stably maintaining a tensile force of a steel wire in the middle of moving or after installing an anchor by supporting a wedge and the steel wire with a spring force; and removing a supporting plate supporting the wedge and the like by rotating or hitting a bolt penetrating through an anchor head to remove the steel wire. The compression-type anchor comprises: a cover (100); the anchor head (200); the steel wire (780); the wedge (300); the bolt (500); a spring (270); the supporting plate (123); and a rod (600) to remove the steel wire. |
