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Orbit moving 3D laser measurement system (rMMS)
Orbit moving 3D laser measurement system (rMMS) integrates integrated positioning and orientation system, high-precision 2D laser scanner, 360-degree high-definition panoramic camera, linear structure optical module, multi-sensor synchronization control unit, embedded computer, power supply system and other equipment to form an efficient orbit detection and measurement platform. The system can accurately and quickly complete the high-precision 3D point cloud scene data acquisition of existing railway stations, roadbeds, Bridges, tunnels and their auxiliary facilities (turnout, rail, catenary, etc.). The system has the characteristics of flexible operation, high collection efficiency, high accuracy of results, safe and reliable data, rich output results and so on.
System parameters
|
Item name |
Indicators |
|
Laser emission frequency |
1 million dots per second |
|
Scanning frequency |
200 rotation/speed |
|
Scanning angle |
360° |
|
Measuring range |
0.5m-119m |
|
Scanning resolution |
0.0088° |
|
Detection precision |
2mm (80m 90% reflection) |
|
Absolute accuracy |
5mm (CP III control net) |
|
Gyroscope zero bias stability |
≤0.015°/h |
|
Working performance |
3-5km/h (Handbarrow) |
|
Detection range |
Metro tunnel: horizontal convergence, section analysis, ring plate misalignment, water seepage, fracture, Contamination limit detection, ring plate falling, etc |
|
|
High-speed railway tunnel: section analysis, The lining of impellers, water seepage, cracks, catenary, cable trough Contamination limit detection, etc |
|
Working environment |
All-weather operation (except rain and snow) |
|
Homework personnel |
2-3 |
Data achievements
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