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Comprehensive grounding system of shield method comprehensive pipe gallery

A technology of integrated pipe gallery and grounding system, which is applied in mining equipment, mining equipment, earthwork drilling and mining, etc., to facilitate later construction, improve safety, and improve reliability

Pending Publication Date: 2022-03-22
CHINA RAILWAY TUNNEL SURVEY & DESIGN INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the comprehensive pipe gallery of the shield tunneling method adopts the form of prefabricated segments in the factory and on-site splicing, and there is no electrical connection between the segments. A complete and reliable comprehensive grounding system for shield method comprehensive pipe gallery

Method used

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  • Comprehensive grounding system of shield method comprehensive pipe gallery

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] This embodiment provides an integrated grounding system for the integrated utility tunnel of the shield tunneling method, such as figure 1 As shown, it includes a shield tunnel, a middle partition 3, a lower supporting cushion 2, a ground connection plate, and a transverse ground trunk line 8; wherein, the shield tunnel is composed of a plurality of shield segments 1 spliced ​​together; the lower part of the shield tunnel The inner side is provided with the lower support cushion 2; the middle partition 3 is installed above the lower support cushion 2, the middle partition 3 and the upper part of the shield tunnel form the upper cabin 9 of the pipe corridor, and the middle partition 3 and the lower support cushion 2 form the ...

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Abstract

The invention provides a comprehensive grounding system of a shield method comprehensive pipe gallery. A lower supporting cushion layer is arranged on the inner side of the lower portion of a shield tunnel. A middle partition plate is mounted above the lower supporting cushion layer; a duct piece grounding connecting plate pre-buried on the shield duct piece is electrically connected with a reinforcing mesh in the shield duct piece; a cushion layer grounding connecting plate pre-buried on the surface of the lower supporting cushion layer is electrically connected with a grounding steel bar grid I in the lower supporting cushion layer; the grounding steel bar grid I in the lower supporting cushion layer is electrically connected with the duct piece grounding connecting plate; a middle partition plate grounding connection plate pre-buried on the surface of the middle partition plate is electrically connected with a grounding steel bar grid II in the middle partition plate; the cushion layer grounding connecting plate is electrically connected with the middle partition plate grounding connecting plate; a transverse grounding main line is arranged in the upper cabin of the pipe gallery, the pipe piece grounding connecting plates are electrically connected through the transverse grounding main line, and the two ends of the transverse grounding main line are electrically connected with the cushion layer grounding connecting plates. The construction speed can be increased, raw materials are saved, and the reliability of a grounding system is improved.

Description

technical field [0001] The invention belongs to the field of building electrical technology, and in particular relates to a comprehensive grounding system for a shield tunneling comprehensive pipe gallery. Background technique [0002] The continuous construction of the comprehensive pipe gallery has played a role in promoting the overall construction of the city. The comprehensive pipe gallery incorporates municipal trunk lines such as water pipes, power cables, communication cables, and gas pipes, and is built in a unified manner. It will be operated safely and reliably in the later stage regardless of operation and maintenance. , have provided a solid guarantee. The comprehensive pipe gallery is a complete set of construction projects. It contains lighting, ventilation, drainage, monitoring, alarm and other equipment inside. A reliable comprehensive grounding system is an indispensable part for both equipment and maintenance personnel. In recent years, due to special geo...

Claims

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Application Information

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IPC IPC(8): E21F17/00E21F17/06
CPCE21F17/00E21F17/06
Inventor 李晓明厉红星贺维国金若翃田峰朱祝龙曹灿付伟陈小飞高锦丹宋家祥杨爽王倩李彬赵凡凡杨天润
Owner CHINA RAILWAY TUNNEL SURVEY & DESIGN INST
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