An anti-breakage anchorage device and its construction method adapted to the surrounding rock of large-deformation roadway
An anchoring device and construction method technology, which is applied in the directions of earthwork drilling, bolt installation, mining equipment, etc., can solve problems such as the impact of mine economic benefits, the failure of the anchor cable body, and the breaking of the supporting bolt, so as to ensure long-term The effect of stable and normal use, reduction of support cost and support time, and improvement of overall bearing capacity
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[0030] The present invention will be further described below in conjunction with the accompanying drawings.
[0031] Such as Figure 1-4 As shown, the anti-breakage anchoring device of the present invention adapted to the surrounding rock of a large deformation roadway includes a bolt 1, four anchor cables 2, a clamp 3, a retaining ring 4, a plastic buckle 5, a supporting plate 6, a backing plate 7, Anchors 8 and nuts 9. The front end of the anchor rod 1 is provided with a retaining ring 4, and the rear end of the anchor rod 1 is provided with four inward grooves 13. The diameters of the grooves 13 match the diameters of the anchor cables 2, and the rear ends of the four anchor cables 2 The ends are respectively embedded in the four grooves 13 and fastened by the anchors 8 respectively. There are four anchor cable through holes 10 on the retaining ring 4, the front end of the anchor cable 2 can pass through the anchor cable through holes 10, the anchor cable through hole 10 ...
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