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Mining glass fiber reinforced plastic grouting anchor cable lock

A technology for grouting anchor cables and glass fiber reinforced plastics, which is used in mining equipment, bolt installation, earthwork drilling, etc.

Pending Publication Date: 2021-12-07
LIAONING TECHNICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to its special properties, FRP anchor cables are prone to deformation when subjected to compression and shearing, so traditional steel anchor cable locks are no longer suitable for FRP anchor cables, and there is no applicable FRP anchor cable locks on the market now.

Method used

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  • Mining glass fiber reinforced plastic grouting anchor cable lock
  • Mining glass fiber reinforced plastic grouting anchor cable lock

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] The present invention provides a fiberglass grouting anchor cable lock for mining, comprising: an anchor cable 1 and a locking mechanism 2 fixedly installed in a coal mine roadway;

[0023] The locking mech...

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PUM

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Abstract

The invention discloses a mining glass fiber reinforced plastic grouting anchor cable lock. The mining glass fiber reinforced plastic grouting anchor cable lock comprises an anchor cable and a lock head mechanism fixedly mounted on a coal mine tunnel; the lock head mechanism comprises an auxiliary assembly, a steel sleeve, a fastening assembly and a stop-grouting plug; an auxiliary assembly is arranged between one end face of the steel sleeve and an anchoring face of the coal mine tunnel; the steel sleeve sleeves the bottom end of the anchor cable; the fastening assembly penetrates through the steel sleeve and the anchor cable; the grout stopping plug is detachably connected into the opening in the bottom end of the anchor cable; and the auxiliary assembly sleeves the bottom end of the anchor cable. The invention has the characteristics of easy installation, easy recovery, small wear, high repeated utilization rate, stable resistance and low cost.

Description

technical field [0001] The invention relates to the technical field of cable anchor locks in coal mines, in particular to a fiberglass grouted anchor cable lock for mining. Background technique [0002] Anchor cables are often used for slope control. The outer end is fixed on the slope surface, and the anchor section is fixed on a stable and bearing-bearing rock formation inside the slope, and then a large amount of fixed grout is injected into the interior through the anchor cable, thereby increasing the slope resistance. Anti-separation layer resistance to improve the integrity of the slope and achieve the purpose of controlling bedding and landslides. The anchor cable for mining is based on the same idea. The anchor cable is driven into the roof to control the separation and breakage of the roof, into the side of the coal mine roadway to protect the side, and into the floor rock to control the bottom drum. In particular, the appearance of FRP grouting anchor cables reduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D20/02E21D21/00
CPCE21D20/02E21D21/0026E21D21/008E21D21/0093
Inventor 韩军崔露郁曹晨张明王鑫陈蓥
Owner LIAONING TECHNICAL UNIVERSITY