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Railroad Measuring Equipment

Monitoring the condition and geometry of the rails and catenary is fundamental to maintaining a safe and reliable railway. Our contactless railway measurement systems can be used for continuous monitoring during normal traffic as well as on-board dedicated measuring vehicles.

Why

A safe and
reliable railway

Keeping an overview of the track condition is a basic prerequisite for being able to plan necessary maintenance that ensures that a railway is reliable and safe. With the help of OWLS, the condition of rails and overhead contact lines can be monitored over time, and changes that indicate potential problems can be identified. In this way, maintenance efforts can be deployed in exactly the right place and at the right time. Several parts of the system can be installed on ordinary rail-borne construction machines, which means that a completed maintenance measure can be verified quickly. In this way, the traffic can quickly start up again after an interruption.

 

Safety

Track position errors can lead to derailments and serious accidents. OWLS can identify problems that need to be fixed before accidents, such as derailment, occurs!

Reliability

Reduce traffic disruptions caused by deficiencies of the facility. OWLS improve the preventive maintenance and does thereby reduce disruptions caused by remedial maintenance. OWLS on-site during remedial maintenance can greatly reduce the time that traffic restrictions are applied.

Economy

Maintenance work can be made more efficient by continuous monitoring of the condition of the facility. The cost of preventive measures is lower than the consequential cost of impacted traffic, operation and maintenance during disruptions.

Credibility

Our products for measuring track quality meet the requirements stated by European standard EN 13848.

Our Technology

OWLS

Contact-free measurement of track, rails and overhead line

High Speed and Resolution

OWLS delivers high-resolution data at speeds up to 300 km/h. This enables the installation of the equipment on vehicles in regular traffic.

Compact, modular, portable

The modules of the system can be combined and adapted to deliver the required measurements – from monitoring a few parameters to being a fully-fledged measuring platform for tracks and catenary. The units are compact and can be easily mounted on various rail vehicles.

IoT

The Internet connection in OWLS enables automatic backup and access to measurement data from the cloud. Upgrades, calibration, and status checks can also be performed remotely.

Proven and Robust Design

OWLS has been tested for use in rain, snow, and sun. The equipment is robust and well protected from the forces of nature. For example, the system has been used continuously in Infranord’s survey trains since 2009.

What

Track geometry according to EN 13848

OWLS Track Geometry

OWLS Track Geometry is a complete solution for measuring track geometry in accordance with EN 13848. The non-contact measurements are realized using lasers, optical sensors and inertial measurement components. They deliver all the important track geometry properties described by the standard.

The system can be permanently installed on dedicated measuring vehicles, trains in scheduled traffic as well as rail-borne construction machines. Furthermore, portable versions are available that are quickly installed where required.

Measurement and calculation

Always provided
  • Horizontal Rail Alignment (right / left rail)
  • Vertical Rail Alignment (right / left rail)
  • Gauge
  • Cant
  • Twist
  • Curvature
On request
  • Calculation of rail wear
  • Calculation of equivalent conicity
  • Tools for trend analysis

What

Rail Profile and Geometry

OWLS can be used for several different types of measurements regarding the profile and geometry of the rails. Below you can read about the different modules that can be delivered separately or in combination.
OWLS Rail Wear

OWLS Rail Wear is used to measure the wear of the rails. Using lasers and optical sensors, the rail profile is measured with high accuracy. After performing the measurements, the analysis software compares the measured data with a reference profile. Depending on the needs, the system can be configured to measure the inside, top, or outside of the rail profile – or all of these at one and the same time.

OWLS Rail Profile

OWLS Rail Profile is used to measure the profile of the rails. Lasers and optical sensors can be configured to measure the inside / top and outside / top of the rail, respectively. This is necessary for those who want to calculate equivalent conicity.

OWLS Rail Gauge

OWLS Rail Gauge measures track gauge. Like other OWLS products, the system can operate at high speeds and on many different types of railway vehicles.

What

Overhead Line

OWLS OHL Geometry & Wear

OWLS OHL Geometry measures the alignemnt of the overhead contact line (zigzag) from the top edge of the rails and from the center between the rails. The measurement takes place contactless at up to 300 km/h and the measuring system can simultaneously measure the geometry of the carrying wire.

OWLS OHL Wear can measure the overhead line wear with high accuracy. The measuring system can measure the width of the worn part of the contact line and thereby calculate the wear. It can also identify damaged sections on the contact line.

Features

Always Included

• GPS (RTK) with navigation
• 4G internet connection
• Cloud storage of measurement data
• Service agreement (with support and stability updates)
• Rugged, proven design
• Heated windows and protection

• NTP time function for synchronization with external systems
• Software for creating reports and alarm lists.
• Opportunity to compare measurements from different occasions.
• Annual calibration
• Wireless remote control via wifi and 4G

Analyze

Software

Control and Monitoring

OWLS Measure displays the most important measured properties in real-time. The program is used to start and stop measurements, make notes about collected data and monitor the status of the system. OWLS Measure is handled wirelessly and can be run both directly from the measuring vehicle and remotely on a PC or tablet.

Analysis of Measurement Data

OWLS Analyze is a powerful tool used for processing and analyzing collected measurement data. In OWLS Analyze it is possible to:

• Graphically visualize measurement data and
deviations from limits
• Make notes
• Review measurement data
• Set limits
• Export reports

References

References and active installations