Novel deformation-controllable elastic energy-releasing impact-resistant anchor rod and using method thereof
An impact-resistant and energy-releasing technology, used in the installation of bolts, earth-moving drilling, mining equipment, etc., and can solve problems such as bolt breakage
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Embodiment 1
[0030] Such as image 3 A new type of controllable deformation elastic energy release shock-resistant bolt is shown, including a bolt body 4, a fastening nut 5 and a tray 7 installed on the bolt body, and there is also a gap between the fastening nut 5 and the tray 7 A controllable deformation energy release ring 6 is provided. The controllable deformation energy release ring of this embodiment is also applicable to the anchor cable. When the anchor cable is used for anchoring, the controllable deformation energy release ring is also arranged between the fastening nut 5 and the pallet 7 .
[0031] The controllable deformation energy release ring includes a first ring 3 and a second ring 1 arranged axially and sleeved on the anchor body. The first ring 3 and the second ring 1 pass through the double-arc reducer ring 2 are connected as a whole, the outer diameter of the first ring is smaller than the inner diameter of the second ring, and the axial projection of the first ring ...
Embodiment 2
[0038] The difference between this embodiment and Embodiment 1 is that there are two controllable deformation energy release rings, and the installation method of the two controllable deformation energy release rings is that the first circular ring is set opposite to each other, or the second ring of the two controllable deformation energy release rings The rings are arranged opposite to each other. In order to increase the contact area between the fastening nut, the tray and the controllable deformation energy release ring, this embodiment adopts the arrangement of the first rings of the two controllable deformation energy release rings opposite to each other.
Embodiment 3
[0040]The difference between this embodiment and Embodiment 1 is that the controllable deformation energy release ring of this embodiment includes a first circular ring, a second circular ring and a third circular ring arranged in sequence, and the first circular ring, the second circular ring and the The diameter of the third ring increases successively, the projection of the second ring along the axis is located within the range of the projection of the third ring along the axis, the first ring and the second ring, and the second ring and the third ring The rings are respectively connected as a whole by double-arc reducing rings, so that when the surrounding rock expands outward, the energy released by the surrounding rock is absorbed through two-stage folding deformation, which further strengthens the protection of the bolt body and prevents the bolt body from breaking instantly. .
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