Mining grouting anchor rope
A grouting anchor cable and mine-used technology, which is applied in mining equipment, bolt installation, earthwork drilling and mining, etc., can solve the problem of tensile strength of grouting pipe, low shear strength, threat to the safety of operators, and inability to apply preload Solve problems such as force, achieve convenient and reliable construction technology, improve grouting effect, and improve support effect
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[0020] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0021] A grouting anchor cable for mines, such as figure 1 , 2 As shown, a round steel 9 is included. The outer circumference of the round steel 9 is fixed to one end of eight steel strands 10, and the eight steel strands 10 are twisted to form a hollow anchor cable 1.
[0022] The hollow anchor cable 1 is provided with a grouting pipe 7, which extends into the hollow anchor cable 1 at the rear end of the round steel 9 at one end closed, and the other end passes through the hollow anchor cable 1 and is set to Internal thread structure, the other end of the grouting pipe 7 is connected with a quick-plug female head through a thread, and the middle and rear part of the grouting pipe 7 is equipped with screen holes; the outer end of the grouting anchor cable is designed as a 19mm inner diameter With the quick-insertion female head, the end of the ex...
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