High-strength stable-resistance energy absorption anchor cable with function of applying pretightening force
A technology of pre-tightening force and function, applied in the installation of bolts, mining equipment, earth-moving drilling, etc., can solve the problems of low strength, insufficient supporting length, insufficient supporting resistance, etc., to enhance its own bearing capacity and high strength , the effect of stable strength
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[0019] The present invention will be further explained below in conjunction with the accompanying drawings.
[0020] like figure 1 As shown, the present invention has a high-strength stable resistance energy-absorbing anchor cable with the function of applying pretightening force, including a cable body 1, which is a steel cable formed by a combination of multiple steel strands 8, and this preferred example is a seven-strand steel strand 8 form cable body 1. Outer sleeve 2, it is the round pipe that one end has bell mouth, and its bell mouth end outer wall band is threaded, and its other end inner wall is provided with stop block 9, and stop change block 9 is processed as a whole with outer tube, and outer tube is preferably The length is between 500 mm and 1000 mm. The tray 3 is a ring, and the radius of the inner ring matches the outer diameter of the outer casing. The inner sleeve 4 is a round tube, the inner wall of which is processed into a screw thread matched with th...
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