WO2009007817A3 - Method and apparatus for the contactless dynamic inspection of railway rails - Google Patents

Method and apparatus for the contactless dynamic inspection of railway rails Download PDF

Info

Publication number
WO2009007817A3
WO2009007817A3 PCT/IB2008/001759 IB2008001759W WO2009007817A3 WO 2009007817 A3 WO2009007817 A3 WO 2009007817A3 IB 2008001759 W IB2008001759 W IB 2008001759W WO 2009007817 A3 WO2009007817 A3 WO 2009007817A3
Authority
WO
WIPO (PCT)
Prior art keywords
rail
inspected
measurement unit
laser pulses
railway rails
Prior art date
Application number
PCT/IB2008/001759
Other languages
French (fr)
Other versions
WO2009007817A2 (en
Inventor
Donatella Cerniglia
Claudio Cosenza
Giuseppe Bomben
Alberto Emilio Ruffo
Damiano Varagnolo
Luciano Marton
Original Assignee
Tecnogamma S P A
Donatella Cerniglia
Claudio Cosenza
Giuseppe Bomben
Alberto Emilio Ruffo
Damiano Varagnolo
Luciano Marton
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tecnogamma S P A, Donatella Cerniglia, Claudio Cosenza, Giuseppe Bomben, Alberto Emilio Ruffo, Damiano Varagnolo, Luciano Marton filed Critical Tecnogamma S P A
Publication of WO2009007817A2 publication Critical patent/WO2009007817A2/en
Publication of WO2009007817A3 publication Critical patent/WO2009007817A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08—Measuring installations for surveying permanent way
    • B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/262—Linear objects
    • G01N2291/2623—Rails; Railroads

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Optics & Photonics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

An apparatus for the contactless dynamic inspection of railway rails, characterised by comprising: - a railway trolley (6) slidable along the rail (4) to be inspected, - a measurement unit (12) for each rail (4) to be inspected, mounted on said trolley (6), - transverse stabilization means for said measurement unit (12) with respect to the rail (4) to be inspected, - at least one pulsed laser source (10) powering said measurement unit (12), - guide means (20) for the laser pulses generated by said laser source (10), - optical means (24) associated with said guide means (20) and able to focus said laser pulses onto that part of the rail (4) to be inspected, - at least one sensor (36, 38, 40, 41) for the ultrasonic signals generated by the impact of the laser pulses on said rail (4), - at least one computer (34) for acquiring and processing data, - means (32) for locating defects detected in the inspected rail (4).
PCT/IB2008/001759 2007-07-06 2008-07-04 Method and apparatus for the contactless dynamic inspection of railway rails WO2009007817A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVE2007A000044 2007-07-06
ITVE20070044 ITVE20070044A1 (en) 2007-07-06 2007-07-06 METHOD AND EQUIPMENT FOR DYNAMIC INSPECTION NOT IN CONTACT WITH RAIL RAILS.

Publications (2)

Publication Number Publication Date
WO2009007817A2 WO2009007817A2 (en) 2009-01-15
WO2009007817A3 true WO2009007817A3 (en) 2009-03-26

Family

ID=40229161

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/001759 WO2009007817A2 (en) 2007-07-06 2008-07-04 Method and apparatus for the contactless dynamic inspection of railway rails

Country Status (2)

Country Link
IT (1) ITVE20070044A1 (en)
WO (1) WO2009007817A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102101478A (en) * 2009-12-19 2011-06-22 襄樊金鹰轨道车辆有限责任公司 Vehicle-mounted operating vehicle
US8739631B2 (en) 2012-02-28 2014-06-03 Sperry Rail, Inc. System and method for non-destructive testing of railroad rails using ultrasonic apparatuses mounted within fluid-filled tires maintained at constant temperatures
US10807623B2 (en) 2018-06-01 2020-10-20 Tetra Tech, Inc. Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track
CN109249955B (en) * 2018-10-08 2023-11-03 上海工程技术大学 Method and device for dynamically detecting ballastless track defects
CA3130198C (en) 2019-05-16 2022-05-17 Darel Mesher System and method for generating and interpreting point clouds of a rail corridor along a survey path
CN110672026A (en) * 2019-08-30 2020-01-10 泉州佰桀智能制鞋设备研究院有限公司 Roller coaster track detection method, intelligent detection robot and detection system
CN111855825B (en) * 2020-06-28 2023-02-07 济南大学 Rail head nuclear injury identification method and system based on BP neural network

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678559A (en) * 1951-12-29 1954-05-18 Sperry Prod Inc Ultrasonic rail test device
US5020371A (en) * 1988-12-19 1991-06-04 Speno International S.A. Device for the precise transverse positioning for a member displaceable along a rail of a railway track with respect to said rail
US5804731A (en) * 1996-11-25 1998-09-08 Speno International Sa Ultrasonic device for measuring the internal defects of a rail
US20020099507A1 (en) * 2000-10-10 2002-07-25 Robin Clark Method and system for processing rail inspection test data
US20030140509A1 (en) * 2000-05-12 2003-07-31 Ettore Casagrande Apparatus for monitoring the rails of a railway or tramway line
US20040003662A1 (en) * 2002-11-25 2004-01-08 The Johns Hopkins University Laser-air, hybrid, ultrasonic testing of railroad tracks
WO2005070743A1 (en) * 2004-01-26 2005-08-04 Force Technology Detecting rail defects
GB2426340A (en) * 2005-05-20 2006-11-22 Sperry Rail Detecting the position of defects in rails

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678559A (en) * 1951-12-29 1954-05-18 Sperry Prod Inc Ultrasonic rail test device
US5020371A (en) * 1988-12-19 1991-06-04 Speno International S.A. Device for the precise transverse positioning for a member displaceable along a rail of a railway track with respect to said rail
US5804731A (en) * 1996-11-25 1998-09-08 Speno International Sa Ultrasonic device for measuring the internal defects of a rail
US20030140509A1 (en) * 2000-05-12 2003-07-31 Ettore Casagrande Apparatus for monitoring the rails of a railway or tramway line
US20020099507A1 (en) * 2000-10-10 2002-07-25 Robin Clark Method and system for processing rail inspection test data
US20040003662A1 (en) * 2002-11-25 2004-01-08 The Johns Hopkins University Laser-air, hybrid, ultrasonic testing of railroad tracks
WO2005070743A1 (en) * 2004-01-26 2005-08-04 Force Technology Detecting rail defects
GB2426340A (en) * 2005-05-20 2006-11-22 Sperry Rail Detecting the position of defects in rails

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LANZA DI SCALEA F ET AL: "Non-Contact Ultrasonic Inspection of railroad tracks", INTERNATIONAL SAMPE SYMPOSIUM AND EXHIBITION, XX, XX, vol. 45, 25 May 2000 (2000-05-25), pages 1762 - 1769, XP009030965 *

Also Published As

Publication number Publication date
ITVE20070044A1 (en) 2009-01-07
WO2009007817A2 (en) 2009-01-15

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