Coordinated-deformation energy-absorption anchor rod suitable for mining high-stress large-deformation rock mass
A large-deformation, high-stress technology, applied in mining equipment, installation of anchor rods, earthwork drilling and mining, etc., can solve the problems of rock mass fracture and damage, failure to meet support strength, etc., achieve large deformation capacity, and easy large-scale batch processing , the effect of simple structure
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[0014] The present invention will be further described below with reference to the drawings and specific embodiments.
[0015] See figure 1 with figure 2 , One end of the wave-type energy-absorbing section curved rod body 2 is provided with an elongated anchoring section straight rod body 1, the length of the elongated anchoring section straight rod body 1 is 500-800mm, and the material is 22mm outer diameter rebar. The wave-type energy-absorbing section curved rod body 2 The other end is provided with a threaded section 5, a fastening nut 4 is screwed on the threaded section 5, and a tray 3 is sleeved on the threaded section 5 between the fastening nut 4 and the curved rod body 2 of the wave-like energy-absorbing section, and the anchor is extended The end of the straight rod body 1 away from the curved rod body 2 of the wave-like energy-absorbing section is provided with a stirring wing 6. The wave-type energy-absorbing section of the curved rod body 2 can be deformed synchro...
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