Anchor fastening wrench capable of improving low retraction prestress
The utility model provides an anchor fastening wrench for improving low retraction prestress, which comprises a first handle, a second handle, a first arc-shaped pipe hoop and a second arc-shaped pipe hoop, the first handle is connected with the first arc-shaped pipe hoop, the second handle is conne...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides an anchor fastening wrench for improving low retraction prestress, which comprises a first handle, a second handle, a first arc-shaped pipe hoop and a second arc-shaped pipe hoop, the first handle is connected with the first arc-shaped pipe hoop, the second handle is connected with the second arc-shaped pipe hoop, and the first arc-shaped pipe hoop is connected with the second arc-shaped pipe hoop. One end of the first arc-shaped pipe hoop is connected with the second arc-shaped pipe hoop through a movable pin, and the first arc-shaped pipe hoop and the second arc-shaped pipe hoop move around the movable pin under the action of the first handle and the second handle to form a circular arc-shaped pipe hoop. The circular arc-shaped pipe hoop is provided with an annular space and a circular space. The low-retraction anchorage device outer ring nut fastening device is suitable for fastening low-retraction anchorage device outer ring nuts with different anchor recess depths, simple in st |
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