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Grille concrete connecting device on vertical well-to-gateway node

A technology of concrete and grating, which is applied in shaft equipment, earthwork drilling, shaft lining, etc. It can solve the problems that restrict the smooth production of mines, the deformation and cracking of roadways and shafts, and overcome the deformation of roadways and shafts and high support resistance , The effect of facilitating construction

Inactive Publication Date: 2015-06-17
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of construction technology or technical conditions, traditional roadway support often does not perform special treatment on this position, resulting in deformation and cracking at this position, which in turn leads to deformation and damage of a wide range of roadways and shafts, seriously restricting the normal and smooth production of the mine.

Method used

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  • Grille concrete connecting device on vertical well-to-gateway node
  • Grille concrete connecting device on vertical well-to-gateway node
  • Grille concrete connecting device on vertical well-to-gateway node

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings:

[0018] like figure 1 and figure 2 As shown, a grid concrete connection device for a vertical shaft to level roadway node includes the grid frame 1, and several grid frames are arranged horizontally in the shaft, and each grid frame is connected by a vertical connecting rib 3; A number of grid frames 1 are longitudinally arranged in the level roadway, and each grid frame is connected by horizontal connecting ribs 2. At the node of the vertical shaft to the level roadway, the horizontally arranged grid frame and the vertically arranged grid frame are immediately connected to each other. There are reserved inserting ribs 5 at the junction of the entryway nodes, and the reserved inserting bars 5 are inserted into the grid of the horizontal entryway and lap-welded with the transverse connecting ribs 2 of the grid frame in the entryway. , between the horizo...

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Abstract

The invention relates to a grille concrete connecting device on a vertical well-to-gateway node, comprising a plurality of grille frames transversely distributed inside a vertical well, wherein longitudinal connecting ribs are connected among the grille frames; a gateway connected with the vertical well is transversely provided with a plurality of the grille frames, and transverse connecting ribs are connected among the grille frames; a node between the vertical well and the gateway, a reserved insertion rib and a node reinforcing rib are installed between the transversely distributed grille frame and the longitudinally distributed grille frame; and grouting pipes are installed on the grille frame at intervals. The device of the invention has the characteristics of high strength, high rigidity and high support resistance, can obviously improve the stability of the node position from the vertical well to the gateway, effectively overcome deformation of a roadway and a well cylinder, caused by geological reasons, and guarantee normal and successful production of a mineral well.

Description

technical field [0001] The invention relates to the technical field of mining, in particular to a grid concrete connection device for a vertical shaft to level roadway node grid used for reinforcing roadways and shaft walls. Background technique [0002] At present, it has become a difficult problem in the production process of coal mines to control the stability of the shaft-to-level roadway nodes with large cross-sections in semi-diagenetic and non-diagenetic extremely weak strata. In addition to being weak, the surrounding rock of this kind of roadway often has poor anchorability and injectability, high water content, and expansibility, and the joints of vertical shaft and level roadway often have large openings and irregular cross-sectional shapes, and this position is mostly a stress concentration site. Due to the limitations of construction technology or technical conditions, traditional roadway support often does not perform special treatment on this position, resulti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D5/04E21D7/00
Inventor 靖洪文孟波陈坤福许国安杨圣奇
Owner CHINA UNIV OF MINING & TECH
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