A phased array acoustic advanced geological detection system and method carried by a shield machine

A geological exploration and phased array technology, applied in geophysical surveying, drilling equipment and methods, seismology, etc., can solve problems such as insufficient resolution and energy attenuation, and achieve high resolution, safety, and penetration capabilities strong effect

Active Publication Date: 2021-04-06
山东百廿慧通工程科技有限公司
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Problems solved by technology

It can effectively solve the problems of insufficient resolution and serious energy attenuation in previous advanced geological exploration

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  • A phased array acoustic advanced geological detection system and method carried by a shield machine
  • A phased array acoustic advanced geological detection system and method carried by a shield machine
  • A phased array acoustic advanced geological detection system and method carried by a shield machine

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Embodiment Construction

[0045] The present invention is described in detail below in conjunction with accompanying drawing:

[0046] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0047] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the invention clearly states otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, their Indicate the presence of features, steps, operations, means, components and / or...

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Abstract

The invention discloses a phased array sound wave advanced geological detection system and method carried by a shield machine, comprising a phased array sound wave emitting and receiving device, a probe automatic expansion device, an automatic protection cleaning device, and a signal processing and imaging system. This device is mounted on the cutter head of the shield machine. The acoustic wave array probe is brought into contact with the face of the tunnel through the hydraulic push rod, and the phased array emission technology is used to emit focused sound waves and receive the geological information reflected from the front of the tunnel face. reflected wave signal. The host system continuously controls and changes the scanning direction of the acoustic beam. On the premise of obtaining the suspected position of the abnormal body, use the focusing technology to refine the imaging of the suspected position until the scanning of the entire two-dimensional section is completed, and then rotate the cutter head to proceed to the next two-dimensional Three-dimensional cross-sectional scanning, and finally realize the three-dimensional geological exploration in front of the tunnel face. The invention solves the problems of low imaging resolution, serious sound wave energy attenuation and low degree of automation in tunnel advance geological prediction.

Description

technical field [0001] The invention relates to the field of advanced geological prediction during the construction process of a tunnel boring machine, and relates to a phased array acoustic wave advanced geological prediction detection system and method carried by a shield machine. Background technique [0002] The 21st century is the century of great development of underground space. With the comprehensive development of the construction of western my country, more long tunnel projects will be built in the fields of railways, highways, hydropower, and cross-regional water transfer. The advanced geological prediction in tunnel construction is related to The safety, quality and progress of the project have attracted much attention. Especially in tunnel engineering with complex geological conditions, it is very necessary to carry out advanced forecasting work. Western my country is a mountainous area with complex geological conditions. Geological disasters such as collapse, r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/00G01V1/02G01V1/20
CPCG01V1/00G01V1/02G01V1/20G01V2210/55G01V1/36E21D9/06G01V1/303E21B7/046G01V1/189G01V1/302
Inventor 刘斌付超郝磊许新骥杨森林岳景杭李铎郭美延
Owner 山东百廿慧通工程科技有限公司
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