Feet locking anchor rod
The utility model provides a feet locking anchor rod which comprises an anchor rod A and an anchor rod B. The anchor rod A comprises a rod body and a tail end portion, a 90-degree angle is formed between the rod body and the tail end portion, a taper portion is arranged at the other end of the rod b...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a feet locking anchor rod which comprises an anchor rod A and an anchor rod B. The anchor rod A comprises a rod body and a tail end portion, a 90-degree angle is formed between the rod body and the tail end portion, a taper portion is arranged at the other end of the rod body, the anchor rod B comprises a rod body and a tail end portion, an a-degree angle is formed between the rod body and the tail end portion, a taper portion is arranged at the other end of the rod body, the a is in a range from 90 to 120, and the anchor rod A and the anchor rod B are of an integral structure made of phi 25 deformed steel bars. The design of the feet locking anchor rod can provide a greater contact area between the feet locking anchor rod and a tunnel steel lagging jack, increases welding points, and is applicable to various welding modes. The feet locking anchor rod is located on two sides of the steel lagging jack during use and is vertical to the steel lagging jack along peripherally radial dire |
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