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Tunnel deformation monitoring method and system based on laser scanner and speedometer

A laser scanner and deformation monitoring technology, which is applied in the direction of instruments, measuring devices, and cross-section drawing, can solve problems such as high operating costs and unfavorable tunnel deformation monitoring projects, and achieve the goals of increasing measurement speed, improving monitoring efficiency, and simplifying the processing flow Effect

Active Publication Date: 2020-03-17
武汉纵横天地空间信息技术有限公司
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  • Claims
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Problems solved by technology

In this way, for a long tunnel, dozens of skylights may be needed to complete the sweeping, so the operation cost is too high, which is extremely unfavorable to the tunnel deformation monitoring project

Method used

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  • Tunnel deformation monitoring method and system based on laser scanner and speedometer
  • Tunnel deformation monitoring method and system based on laser scanner and speedometer
  • Tunnel deformation monitoring method and system based on laser scanner and speedometer

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Embodiment Construction

[0063] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0064] like figure 1 As shown, a tunnel deformation monitoring method based on laser scanner and odometer, including the following steps:

[0065] S11: The odometer installed on the trolley detects the mileage corresponding to the position of the trolley on the track in the tunnel when the trolley moves along the track running through the tunnel;

[0066] S12: The scanner installed on the trolley scans the inner wall of the tunnel when the trolley moves into the tunnel along the track, and obtains the original data information of the tunnel section, and also records the corresponding scanner time when the trolley enters and exits the tunnel;

[0067] S13: The industrial computer set on the trolley records the time ...

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Abstract

The invention relates to a tunnel deformation monitoring method and system based on a laser scanner and a speedometer. The method comprises the steps that: mileage counting corresponding to a positionof a trolley on a track in a tunnel is detected; a scanner scans the inner wall of the tunnel and obtains original data information of the section of the tunnel, corresponding scanner time at the moment of going in and out of the tunnel by the trolley is recorded respectively; an industrial personal computer records time information, corresponding to any point of the trolley on the track in the tunnel, of the industrial personal computer, and determines the scanner time corresponding to any point on the track in the tunnel; and corresponding spiral line point cloud data information is determined and tunnel section data information corresponding to the point is determined based on the spiral line data information. According to the invention, tunnel monitoring is realized based on the scanner and the speedometer; the monitoring efficiency is greatly improved and the cost is reduced; the measurement speed can be increased by dozens of times in field measurement; the processing flow is simplified in interior processing; the cutting on a model is not needed; and a tunnel section result can be obtained without a track center line.

Description

technical field [0001] The invention relates to the technical field of tunnel monitoring, in particular to a tunnel deformation monitoring method and system based on a laser scanner and an odometer. Background technique [0002] Tunnel deformation monitoring usually obtains the point cloud data of tunnel scanning, and conducts a comparative analysis of a certain tunnel position that needs to be monitored. In this way, what we need to obtain is the tunnel section point cloud data of a certain tunnel, and we must be able to accurately locate the position of this tunnel. [0003] The traditional station-type 3D laser scanning method is the absolute coordinates of the finally obtained 3D point cloud data, and displaying the data together can present the real object position, shape, and size. Therefore, by cutting out a certain point on the 3D point cloud model The actual location data of the section can be obtained, and the needs of monitoring and comparison can be realized. H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C7/06
CPCG01C7/06
Inventor 程曦陈磊钟小军廖水华李成建王杰王五丰朱淑娟孙荣康阎首宏
Owner 武汉纵横天地空间信息技术有限公司
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