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Mechanical-chemical corrosion-hydraulic cutting combined tunneling construction equipment and working methods

A technology of hydraulic cutting and chemical corrosion, applied in mining equipment, earthwork drilling, tunnels, etc., can solve the problems of slow construction efficiency and achieve the effect of reducing the number of hydraulic cutting

Active Publication Date: 2022-05-27
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned machinery still has the problem of slow construction efficiency when facing mountain rock tunnel excavation

Method used

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  • Mechanical-chemical corrosion-hydraulic cutting combined tunneling construction equipment and working methods
  • Mechanical-chemical corrosion-hydraulic cutting combined tunneling construction equipment and working methods
  • Mechanical-chemical corrosion-hydraulic cutting combined tunneling construction equipment and working methods

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Effect test

Embodiment 1

[0085] Embodiment 1, a tunnel mechanical-chemical corrosion-hydraulic cutting combined excavation construction method, comprising the following construction steps:

[0086] S1, determine the punching position:

[0087] Specifically include:

[0088] S1-1, according to the section size of the tunnel to be excavated, it is divided into large section and small section tunnel;

[0089] S1-2, using the geological analysis method and the geological radar advance prediction technology to analyze the mechanical properties of the surrounding rock and the integrity of the rock mass in the tunnel, so as to realize the rapid classification of the surrounding rock;

[0090] S1-3, according to the size of the section and the classification of the surrounding rock of the tunnel, determine the excavation method of the tunnel, the excavation step length of the tunnel section, the hole spacing and the row spacing;

[0091] S2, perform mechanical drilling, and use the drilling device to perfor...

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PUM

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Abstract

The application discloses a mechanical-chemical corrosion-hydraulic cutting combined excavation construction equipment and working method, which belong to the technical field of tunnel engineering; Tank, three-way ball valve, booster pump, smart valve, abrasive tank, mixing chamber and nozzle for hydraulic cutting-chemical corrosion device; water stop-backflow device for swing stopper, shut-off valve and return pipe. Using the mechanical-chemical corrosion-hydraulic cutting combined excavation construction equipment and working method of the present application can excavate rock tunnels efficiently and quickly, has less impact on the surrounding environment, is more environmentally friendly, and the corrosive solution can be reused at a low cost.

Description

technical field [0001] The present application relates to the field of tunnel engineering construction (corresponding to classification number: E21D9 / 00), and in particular to a mechanical-chemical corrosion-hydraulic cutting combined excavation construction equipment and a working method thereof. Background technique [0002] CN110847926A discloses a hydraulic cutting tool module, which includes a hydraulic cutting tool module frame, a thrust spring structure, a hydraulic cutting tool module thrust cylinder and a hydraulic cutting hob combined with rock breaking; the thrust spring structure is located in the hydraulic cutting tool module the hydraulic cutting tool module thrust cylinder is located at the upper end of the thrust spring structure; the hydraulic cutting hob combined with rock breaking is fixed on the lower end of the hydraulic cutting tool module frame and the hydraulic cutting hob combined with rock breaking is in a spoke type structure. [0003] CN110985032...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D9/10E21D9/00
CPCE21D9/1066E21D9/1086E21D9/1006E21D9/003E21D9/002
Inventor 钟祖良徐雅薇刘新荣王益周小涵刘东双
Owner CHONGQING UNIV
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