The OKOSCAN UT 73HS PICKUP is a high-speed ultrasonic (UT) rail testing System for railway tracks. It is integrated with the customer's high-rail vehicle, a Ford F350 XL (SUPER DUTY), and allows testing to be conducted at speeds of up to 40 km/h.
The key elements of OKOSCAN UT 73HS PICKUP:
- UT trolley – while moving behind the vehicle in testing mode checks the alterations in track gauge (width) due to extending/retracting pneumatic system
- Equipment placed in the body of vehicle – the operator’s work space with control screens is fitted in the cabin at the rear seat; UT channels, automation and control box, hydraulic station, air compressor, tank for coupling liquid, water supply system, lifting-lowering trolley hydraulic system
The OKOSCAN UT 73HS PICKUP is equipped with the following:
Four search wheels with immersion ultrasonic probes (SWP), two on each side.
One SWP contains:
- 0° probe (1 pc) at 4 MHz
- 70° probe (3 pcs) at 2 MHz
- 50° side-looking probe (1 pc) at 2 MHz
- 37° probe (1 pc) at 2 MHz
- SWP positioning system with operator-guided stepper electric drives (tilt, lifting/lowering, and transverse shifting)
- Trolley with a pneumatic extending/retracting system that allows tracking of the railway gauge and positioning of the SWP on the rail axis
- Encoder for tracking track coordinates
- Video surveillance system for SWP wheel condition
- System for supplying water under the SWP with manually adjusted valves, tubes, and nozzles.
The OKOSCAN UT 73HS PICKUP body contains:
- 24 OKO-24 UT modules with a frequency range of 1–7 MHz and a pulse repetition frequency (PRF) of up to 4 kHz
- Control box for automation and system control
- Trolley lifting/lowering mechanism with a hydraulic station
- Air compressor used in the trolley extending/retracting system
- Water-supply system that delivers water under the SWP
Specifications of OKOSCAN UT 73HS PICKUP
- The trolley conducts continuous ultrasonic testing (UT) of the double railway track along its entire length and cross-section, excluding the rail foot flanges, at speeds of up to 40 km/h.
- The railway gauge (width) of testing track is 1435 – 1676 mm (to be altered upon Client’s request)
- Detecting of all types of defects: transverse and longitudinal horizontal cracks, bolt holes cracks etc. in accordance with AREMA listing.
- Defects dimensions measurement with saving results of testing in database for further review and analyzing.
- Control methods: echo-impulse and echo-shadow.
Hardware-computing system of OKOSCAN UT 73HS PICKUP
The equipment for processing and visualization of testing results are fitted in the workspace of the operator in the vehicle’s cabin.
It provides collecting of testing results and visualization in A-scan, B-scan modes, generating of control reports, possibility of transmission the results via mobile operators’ 3G/4G protocols.
Preinstalled Software allows to:
- Identify defects automatically and categorize them
- Setup UT control channels (gain, scan parameters, RFC, probe and gates parameters) and save settings in storage
- Visualize the control results in A-scan, B-scan simultaneously on all channels in real time mode
- Register a starting track coordinate, data about controlling area, rails data
- View testing results data with possibility to implement all standard functions of database management system (grading and sampling of according to agreed parameters)
- Generate control protocols (Excel as well)
- Save the testing results of at least 10 000 km due to memory capacity (HDD)
- Automatically link a detected defect to the track and GPS coordinates
OKOSCAN UT 73 HS hardware and computing complex
Equipment for processing and inspection results visualization is located at the operator’s workplace in the vehicle cabin.
The equipment provides for collection of inspection results data, visualization in various modes (A-scan, B-scan), generation of inspection reports, and the possibility of inspection results transmission through mobile operators via the 3G/4G protocol.
Pre-installed Software ensures the following functions:
- Automatic identification of defects and their classification.
- UT control channels settings (gain, sweep parameters, RFC, probe parameters, gates parameters) and saving settings to the DB.
- Inspection results visualization simultaneously in B-scan and A-scan modes for all channels in real time.
- Starting coordinate registration, recording of inspection area data, as well as track data registration.
- Viewing inspection results data with the possibility to implement all standard DBMS functions (sorting and sampling according to agreed parameters).
- Formation of inspection protocols (also in Excel format).
- Memory capacity (HDD) allows you to save inspection results of at least 10,000 km of testing.
- Automatic linking of the detected defect to path and GPS coordinates.
