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Archery-preventing device of down-hole anchor cables

An anchor cable and sleeve technology, which is used in the installation of anchor rods, mining equipment, earth-moving drilling, etc. simple effect

Inactive Publication Date: 2019-06-18
高龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the increase of mining depth or the influence of mining, the roadway pressure increases, and accidents such as anchor cable breakage and anchor cable falling may occur.

Method used

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  • Archery-preventing device of down-hole anchor cables
  • Archery-preventing device of down-hole anchor cables

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: As shown in the figure, an anti-shooting device for an underground anchor cable includes a sleeve 3 whose inner diameter matches the outer diameter of the anchor cable 4. The steel wire rope 2 connected by the reinforcement mesh sheet 6 at the top is connected with the sleeve 3 through the connecting ring 7 fixedly arranged on the sleeve 3 .

[0014] When in use, insert the anchor cable 4 into the sleeve 3, and connect the steel wire rope 2 with the steel mesh 6 through the steel wire rope clamp 1. When the anchor cable 4 breaks, the anchor cable 4 will fall into the sleeve 3, and the sleeve 3 Support the anchor cable 4 and the tray 5 under the tension of the steel wire rope 2, thereby preventing the anchor cable 4 from shooting out and hurting people.

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Abstract

The invention relates to the technical field of coal mine down-hole anchor cables, in particular to an archery-preventing device of the down-hole anchor cables. The archery-preventing device comprisesa sleeve; pull ropes connected with reinforcing meshes at the top of a roadway are arranged on the two sides of the sleeve correspondingly; the pull ropes are connected with the sleeve through connecting rings fixedly arranged on the sleeve; and the inner diameter of the sleeve is matched with the outer diameter of the anchor cables. The accident that the anchor cables fall and then injure peopleat the moment of breaking off can be prevented, and thus personal injuries to employees are avoided.

Description

technical field [0001] The invention relates to the technical field of underground anchor cables in coal mines, in particular to an anti-shooting device for underground anchor cables. Background technique [0002] In the process of coal mine production, the anchor net support is one of the most effective methods of roadway support at present, and the anchor cable, as one of the main supporting components of the anchor net support, plays a very important role in the anchor net support. With the increase of the mining depth or the impact of mining, the pressure of the roadway increases, and accidents such as anchor cable breakage and anchor cable falling may occur. Contents of the invention [0003] In order to solve the deficiencies and defects of the prior art, the present invention provides an anti-shooting device for the anchor cable in the well, which can prevent the accident of the anchor cable falling and hurting people when the anchor cable breaks, and avoid personal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D21/00
Inventor 高龙杨春虎高永林杨庆生吴博贺宏鹏
Owner 高龙
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