TT-type built-in autospasy type anchorage

The utility model relates to a T-shaped pre-buried self exfoliated anchor device used in construction field, and the structure of the utility model is that a vertical screw is welded on the chassis, and the middle and lower part of the screw is sleeved with a casing, while the upper part of the screw is provided with a liner and a nut. The utility model can take the place of the original steel bar anchor devices, and is suitable to anchor outer scaffolds, and fix large template ground anchorage, or anchor tower crane wall-attaching pipes, etc. The utility model can be combined with steel pipes, channel steel, and steel in the shape of a Chinese character ''gong'', to form different anchorages. The utility model has the advantages of fast positioning, convenient construction, and steel and labor saving; furthermore, the arrangement and disassembly of the utility model is fast, and high in work efficiency, and the utility model can be repeatedly used, saving steel resources consumed by the original steel anchors, and saving the labor force and energy used in cutting the protrusive ends of steel bar anchors, with significant economic efficiency.