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Tunnel intelligent 3D laser video detection system (iOV)
Tunnel intelligent 3D laser video detection system is the first set of intelligent detection equipment of railway tunnel independently developed by our company in China. The system adopts mobile 3D laser and video technology to restore 3d structure and surface texture characteristics of tunnel with high precision, and quickly realizes intelligent detection and analysis of indicators such as falling block, fine crack, water seepage and invasion limit of tunnel lining. The operation speed is 5-15km/h, which solves the problems of short operation skylight time, high precision and achievement requirement of rail transit. The system has been successfully applied in the nearly 1000km tunnel detection projects of several railway bureaus in China.
System parameters
|
Item |
Indicators |
|
Detection range and accuracy |
Absolute accuracy of point cloud (5mm) Relative accuracy of point cloud (1mm) Microscopic cracks (0.3mm) The lining of impellers (5mm) Water seepage (20mm*20mm) Contamination limit (5mm) |
|
Laser emission frequency |
1 million dots per second |
|
Laser ranging accuracy |
2mm (20m, 90% reflected intensity) |
|
Camera pixels |
70 million pixels |
|
Working performance |
5-15km/h |
|
Homework personnel |
2-3 |
|
Working environment |
All-weather operation (except rain or snow) |
Data achievements
