Multi-section anchoring force increasing anchor rod and mine supporting structure
The utility model relates to the technical field of mine development, in particular to a multi-section anchoring force increasing anchor rod and a mine supporting structure, which comprises a sleeve and a rod body, and the rod body is inserted into the sleeve; a plurality of groups of blocking devic...
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| creator | WU BO XIAO YULEI YU ZHEN WANG XINLI LIU CHANG PU ZHANGPENG WANG ZHEN LIN FANYOU |
| description | The utility model relates to the technical field of mine development, in particular to a multi-section anchoring force increasing anchor rod and a mine supporting structure, which comprises a sleeve and a rod body, and the rod body is inserted into the sleeve; a plurality of groups of blocking devices are arranged on the inner wall of the sleeve and are used for blocking the sliding of the rod body; the rod body is provided with a protruding compression device corresponding to the blocking device. Compared with the prior art, due to the fact that the sleeve is bonded by the anchoring agent, the anchor rod anchored in the deep portion of the rock mass, the sleeve is relatively fixed, the anchor rod at the rock wall is free relative to the rock wall of a roadway and moves towards the interior of the roadway, the rod body also moves outwards, the rod body moves to trigger the compression device to compress the compression body, and the compression body exerts force on the outer wall of the sleeve. The position o |
| format | Patent |
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Compared with the prior art, due to the fact that the sleeve is bonded by the anchoring agent, the anchor rod anchored in the deep portion of the rock mass, the sleeve is relatively fixed, the anchor rod at the rock wall is free relative to the rock wall of a roadway and moves towards the interior of the roadway, the rod body also moves outwards, the rod body moves to trigger the compression device to compress the compression body, and the compression body exerts force on the outer wall of the sleeve. 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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Multi-section anchoring force increasing anchor rod and mine supporting structure |
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