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Wuhan HiRail Transportation Technology Co., Ltd.

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Orbit moving 3D laser measurement system (rMMS)
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