Impact-resistant interval grouting anchor cable and use method thereof
A grouting anchor cable, anti-shock technology, applied in earthwork drilling, installation of bolts, mining equipment, etc., to achieve the effect of enhancing anchoring force, improving overall strength, and alleviating the instantaneous high stress state of steel hinge lines
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[0024] Such as Figure 1 ~ Figure 3 As shown, an anti-shock interval grouting anchor cable and its use method of the present invention include a one-way grouting valve 1, a hollow grouting steel hinge line 2, an arc-shaped anchor ring 3, a sliding compression ring 4, a conical Stop grouting plug 5, segmented sealing plug 6, the one-way grouting valve 1 is arranged at the tail of the hollow grouting steel hinge line, used for one-way high-pressure grouting, arc-shaped anchor ring 3, sliding compression ring 4, A through hole is arranged in the middle of the tapered grout stopper 5 and the segmented sealing plug 6, and the hollow grouting steel hinge line 2 passes through the through hole. The hollow grouting steel strand 2 is composed of a flexible grouting pipe 14, a hollow steel strand 15 and a steel strand expansion ring 16, and the hollow steel strand 15 is provided with steel strand expansion rings 16 at intervals of a certain length to make the steel strand expand Spread...
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