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An Anchor Mesh Beam Cable Supporting Technology

A technology of technology and anchor net, which is applied in the direction of installing bolts, mining equipment, earthwork drilling and mining, etc.

Active Publication Date: 2015-09-30
安徽恒源煤电股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is no special report on the specific bolt and cable support technology

Method used

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  • An Anchor Mesh Beam Cable Supporting Technology
  • An Anchor Mesh Beam Cable Supporting Technology
  • An Anchor Mesh Beam Cable Supporting Technology

Examples

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Embodiment Construction

[0018] Specific steps include:

[0019] Coal seam 32 is the main mining coal seam in the mining area, located in the lower part of the Upper Shihezi Formation, with a coal seam thickness of 0.58-8.22m and an average coal thickness of 2.89m. The thickness of the coal seam is generally thinner or unminable (356 holes), and the thickness of the coal seam is generally more than 2-3m. The coal-bearing area of ​​the coal seam is 49.61km 2 , recoverable area of ​​49.55km 2 The recoverable coefficient reaches 99.9%, which is the relatively stable main recoverable coal seam in the whole area. The structure of the coal seam is relatively complex, with gangue. Among the 116 mineable coal points, there are 49 points of gangue in the first layer, 29 points in the second layer, and 16 points in the third layer and above. Gangue is mainly composed of mudstone and carbonaceous mudstone, and a few are carbonaceous mudstone. The lithology of the roof and floor is dominated by mudstone, foll...

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Abstract

The invention relates to an advanced bolt-mesh-cable support technology, which comprises a series of steps of drilling anchor rod holes, installing a top anchor rod, installing an upper anchor rod, drilling an anchor cable hole and installing an anchor cable. Due to the adoption of the bolt-mesh-cable support technology, the support safety is greatly improved. The bolt-mesh-cable support technology can be used for supporting different complicated roadways.

Description

technical field [0001] The invention relates to an anchor net beam cable support technology. Background technique [0002] Safe, efficient and economical roadway support technology is a necessary condition to ensure mine safety and efficient production. Bolt support technology has been widely used in important coal-producing countries abroad, among which the United States and Australia are the most typical. Design, supporting construction equipment, a series of bolt and cable support products suitable for different conditions and reliable monitoring methods and other complete support technology systems, the whole system is relatively scientific, safe and reliable. According to incomplete statistics, the total length of roadways newly excavated in large and medium-sized state-owned coal mines in my country is as high as tens of thousands of kilometers every year, and more than 80% of them are coal roadways and semi-coal roadways. By 2005, the coal roadway bolt and cable sup...

Claims

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Application Information

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IPC IPC(8): E21D21/00E21D20/00
Inventor 殷召元解波陈强威何梅生鲁翅朱广胜
Owner 安徽恒源煤电股份有限公司
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