Flexible anchor rod
An anchor rod and flexible technology, which is applied in the installation of anchor rods, mining equipment, earth-moving drilling, etc., can solve the problems of easy slippage during the drawing process, the unrecyclable anchor rod, and insufficient pre-pulling force of the anchor rod. The effect of reducing strength requirements, reducing materials and improving utilization
Active Publication Date: 2019-06-11
山东强通矿山科技股份有限公司
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Problems solved by technology
[0009] In order to make up for the deficiencies of the existing technology, to solve the problems of insufficient pre-drawing force of the anchor rod in the prior art, easy slippage during the drawing process, and the failure of the anchor rod to be recycled and reused, a flexible anchor rod proposed by the present invention
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[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0026] Such as Figure 1 to Figure 4 As shown, a flexible anchor rod according to the present invention includes an outer rod 1 and an inner rod 2, and also includes a strut 3 and a push-out unit 4; the outer rod 1 is a hollow cylindrical structure with a conical top, and the outer A number of push-out units 4 are evenly arranged in the wall of the rod 1 along the circumferential direction. The push-out units 4 can slide laterally along the wall of the outer rod 1. The inside of the outer rod 1 is pierced with an inner rod 2. The inner rod 2 can slide axially along the outer rod 1. A strut 3 is arranged between each push-out unit 4 and the inner rod 2, and the strut 3 is connected with the inner rod 2 and the push-out unit 4 through a hinge, and t...
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The invention belongs to the technical field of anchor rods, and specifically discloses a flexible anchor rod, which comprises an outer rod, an inner rod, struts, and pushing units; the outer rod is of a hollow cylindrical structure, the top part is conical, a plurality of pushing units are uniformly arranged on the outer rod wall in the circumferential direction, and the pushing units can slide laterally along the outer rod wall; and the inner rod penetrates through the outer rod, the inner rod can slide axially along the outer rod, the struts are arranged between each of the pushing units and the inner rod, the struts, the inner rod, and the pushing units are all connected by a hinge. According to the flexible anchor rod, an ejector rod is driven by pulling of the inner rod, the thrust is enlarged by the Pascal principle, the outward thrust of a pushing block is increased, the anchoring stability is increased, the using of material is reduced, and the material cost is saved; and theanchor rod is easily pulled out from a drill hole through a recovery unit for secondary utilization, the cost is saved, and the utilization rate of the anchor rod is increased.
Description
technical field [0001] The invention belongs to the technical field of anchor rods, in particular to a flexible anchor rod. Background technique [0002] Anchor is the most basic part of roadway support in contemporary coal mines. It reinforces the surrounding rock of the roadway so that the surrounding rock can support itself. Now the bolt is not only used in mines, but also in engineering technology. Slopes, tunnels, and dams are mainly reinforced; the anchor rod is a tension member that goes deep into the ground. One end of it is connected to the engineering structure, and the other end goes deep into the ground. The whole bolt is divided into a free section and an anchoring section. The free section refers to The area where the tensile force at the head of the anchor is transmitted to the anchor, its function is to prestress the anchor. [0003] Anchor is a bar system structure for rock and soil reinforcement. Through the longitudinal tension of the anchor rod body, it ...
Claims
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Inventor 不公告发明人
Owner 山东强通矿山科技股份有限公司