Special-shaped wall integral anchor rod
An integrated, anchor injection technology, applied in the installation of bolts, mining equipment, earthwork drilling and mining, etc., can solve the problems of pipe wall thickness thinning, poor sealing, easy to rust, etc., to achieve enhanced tensile strength and tightness Good results
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[0018] The implementation of the present invention will be further described below according to the accompanying drawings.
[0019] It includes a steel pipe body 3 whose length is compatible with the grouting depth. The tail of the steel pipe body 3 is connected to the exposed section 6 to form a different-walled steel pipe. Grouting holes 4 with a diameter of 6 mm are drilled at intervals of 120 mm in the axial direction of the steel pipe body 3 . The front end of the body 3 is processed into a twist shape to become the anchor end 1, and at the same time, a retaining ring 2 is processed at the initial part of the anchor end 1 to prevent the coagulant from flowing out when stirring. Threads are processed on the exposed section 6, and the diameter-reducing part forms a convex ring 5 during butt joint processing.
[0020] When installing the anchor rod, cover the synthetic rubber grout stopper 7, the compression washer 8 and the tray 9 from the orifice, and tighten the nut 10 to...
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