EP1415885B1 - Procédé pour la mesure sans contact d'un profil transversal ou d'entrerails - Google Patents

Procédé pour la mesure sans contact d'un profil transversal ou d'entrerails Download PDF

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Publication number
EP1415885B1
EP1415885B1 EP03450220A EP03450220A EP1415885B1 EP 1415885 B1 EP1415885 B1 EP 1415885B1 EP 03450220 A EP03450220 A EP 03450220A EP 03450220 A EP03450220 A EP 03450220A EP 1415885 B1 EP1415885 B1 EP 1415885B1
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EP
European Patent Office
Prior art keywords
track
rail
distance
measuring
values
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP03450220A
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German (de)
English (en)
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EP1415885A1 (fr
Inventor
Josef Theurer
Bernhard Lichtberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Franz Plasser Bahnbaumaschinen Industrie GmbH
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Publication of EP1415885A1 publication Critical patent/EP1415885A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B35/00—Applications of measuring apparatus or devices for track-building purposes
    • E01B35/02—Applications of measuring apparatus or devices for track-building purposes for spacing, for cross levelling; for laying-out curves
    • E01B35/04—Wheeled apparatus

Definitions

  • the invention relates to a method for non-contact measurement of a transverse profile or spacing of rails of a track, in particular in the points area, as well as a device for carrying out the method.
  • US 3,864,039 discloses a method in which only the foot of each rail is illuminated.
  • a light receiver arranged above the rail registers the shadows cast by the rail head, after which these signals are converted into position data representing the track width.
  • the generic document FR-A-2 674 809 discloses the measurement of track dimensions by means of a track-traveling device having a laser transmitter which generates a fanned out light beam obliquely illuminating the rail from above.
  • the illuminated part of the rail contour is recorded using a matrix camera, and the resulting image is used to calculate the track parameters sought.
  • the object of the present invention is now to provide a method of the generic type, which allows a faster and more accurate determination and evaluation of relevant for the switch state measured values.
  • this object is achieved by a method having the characterizing features specified in claim 1.
  • the invention also relates to a device for non-contact measurement of a transverse profile or distance of rails of a track, especially in the switch area, according to claim 3. This creates the possibility, the - especially for the reliability of the track particularly important - turnout data and parameters reliable, precise and, above all, to fully grasp.
  • Fig. 1 is shown - as a representative example - a typical so-called simple switch 1 with a trunk track 2 and a branch track 3, which extends between a turnout 4 and a turnout 5.
  • the switch 1 is composed essentially of rails 6, tongues 7, a core 8, wing rails 9 and 10 Radlenkern.
  • a track vehicle 11 (indicated only in outlines) can be seen, on which a device 12 for measuring the distance of the rails 6 from one another or the transverse profile in different points areas is arranged.
  • the term "transverse profile” is understood to mean the rail outlines resulting from a cross section running normal to the rail longitudinal direction.
  • the measuring device 12 is constructed on a measuring carriage 13 with a frame 14 which rolls on the rails 6 via flanged rollers 15 with cylindrical running surfaces.
  • the measuring carriage 13 is pressed in the switch 1 in a conventional manner to the continuous rail track; in the present drawing, this is the outer or upper rail 6 of the trunk track 2.
  • a distance measuring sensor 16 which is designed as non-contact and directed down to the associated rail 6 laser scanner 17 is mounted.
  • the laser scanner 17 emits a scanning beam 18 which is reciprocated about a in the longitudinal direction of the trunk track 2 and parallel to the scanned rail 6 extending axis of rotation 19 over a scan angle ⁇ and forth.
  • a normal to the track longitudinal direction extending scanning plane 20 is spanned.
  • the laser scanner 17 is not positioned directly above the rail 6, but slightly offset in the direction of the track inside.
  • the preferred dimension x of this offset is measured 22 mm from a reference point A, which is located on the trailing edge 21 of the rail 6 by the distance y (preferably 14 mm) below the upper rail edge (SOK). This results in the distance of the two laser scanners 17 from one another in the transverse direction of the track being 1391 mm, based on the standard track width of 1435 mm that applies to the track.
  • the vertical distance between the laser scanner 17 and SOK is preferably 200 mm.
  • the track vehicle 11 In work for non-contact measurement of the switch 1, the track vehicle 11 is moved continuously through the switch, wherein the measuring carriage 13 rolls over (in order to avoid height errors) cylindrically shaped flange wheels 15 on the rails 6 and is pressed on the continuous strand.
  • the measurement is from a starting point - A so-called synchro point - carried out starting in the switch 1.
  • the two laser scanners 17 scan continuously in the respective scanning plane 20, while at the same time the distance traveled by means of a Wegmeßrades 22 (FIG. Fig. 1 ) is registered.
  • the driving speed can be about 1 meter / second; in the tongue area is driven at about half the speed.
  • both the distance from the laser origin and the angle of the scanning beam 18 are measured as a measured value in a polar coordinate system.
  • these polar coordinates of the measuring points 25 are continuously converted via a program in Cartesian coordinates and - in conjunction with the continuous displacement measurement by the Wegmeßrad 22 - stored.
  • the measured values can also be displayed on a monitor 24 with a resolution of up to 0.1 mm in parallel.
  • the associated computationally determined profiles are also stored, thus creating a cross-section of the turnout 1. (It is also possible to manually enter other measurement data and / or detected defects as needed in the program of the arithmetic unit 23.)
  • measured quantities such as the gauge a ( Fig. 3 ), B) b ( Fig. 4 ) or the Radlenker-Leitfestabstand c ( Fig. 5 ), there are seen in the longitudinal direction of the switch 1 and depending on the respective Weichentype, at the various switch points or measuring points 25, the specification of the individual setpoints, which were pre-stored in the arithmetic unit 23 and which are now compared with the currently measured values.
  • the wear in particular that of the switch geometry, can be decisive determining measuring points 25 at the neuralgic switch points, which are each exactly defined by a special Weichentype, are determined precisely and quickly.
  • Adhering tolerances are checked automatically. These tolerances are in the individual measured variables (such as the above variables: track width a, head width b, Radlenker-Leit vomabstand c, and furthermore also, for example, groove width, inlet width on the wheel, fürlaufrille or state of wear of the tongue) each 0.25 mm. For the sizes cross height and twist, the tolerance limit is 0.5 mm. If the permissible tolerance limits are exceeded, a single error report is created by the program.
  • Fig. 6 is - as an example of an important switch point - a voltage applied to the head of a rail 6 tongue 7, at the upper edge of a detected measuring point 25 is located.
  • Further examples of particularly essential, locally or path-dependent to be detected system points of a switch are about the beginning of the tongue of the bending tongue or the beginning of the (rigid or movable) frog point. To register these values, a video image is transmitted to the operator. The system points are recorded locally via corresponding event buttons.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Claims (4)

  1. Procédé pour la mesure sans contact d'un profilé transversal ou d'un écart entre les rails d'une voie ferrée, notamment dans la zone de l'aiguillage, caractérisé par les étapes suivantes :
    a) balayage de chaque rail (6) par un capteur de mesure d'écart (16) disposé au-dessus de celui-ci et déplacé en continu dans la direction longitudinale de la voie, balayant dans un plan de balayage (20) s'étendant perpendiculairement à la direction longitudinale de la voie,
    b) enregistrement de points de mesure névralgiques (25), définissant de manière normative la géométrie de l'aiguillage, sur le rail en tant que valeurs de mesure dans un système de coordonnées polaires,
    c) conversion des coordonnées polaires pour les valeurs de mesure en coordonnées cartésiennes et mémorisation des valeurs de mesure en relation avec une mesure de course continue par une roue de mesure de déplacement (22),
    d) détermination mathématique du profilé transversal de l'aiguillage (1) à partir des valeurs de mesure enregistrées,
    e) comparaison des valeurs de mesure actuelles déterminées à certains points de mesure (25) à des valeurs de consigne mémorisées pour au moins deux des paramètres : ornière, rainure de passage, cote de protection de pointe, écartement de la voie et/ou écart du contre-rail ou de la surface conductrice, et détermination de l'ampleur de l'écart par rapport aux valeurs de consigne.
  2. Procédé selon la revendication 1, caractérisé en ce qu'en cas de dépassement de valeurs limites de tolérance autorisées pour les points de mesure (25), un rapport d'erreur individuel est créé.
  3. Dispositif (12) pour la mesure sans contact d'un profilé transversal ou d'un écart entre les rails (6) d'une voie ferrée, notamment dans la zone de l'aiguillage, comprenant un châssis (14) déplaçable par le biais de rouleaux à boudins (15) sur la voie ferrée (2, 3), sur lequel des capteurs de mesure d'écart (16) associés chacun à un rail (6), agissant sans contact, sont logés à pivotement autour d'axes de rotation (19) s'étendant dans la direction longitudinale de la voie (19), caractérisé en ce que chaque capteur de mesure d'écart (16) est disposé dans la zone au-dessus du rail associé (6) et réalisé en tant que scanner laser (17) pivotant en va-et-vient sur un angle de balayage (α) pour le balayage de points de mesure névralgiques (25), définissant de manière normative la géométrie de l'aiguillage.
  4. Dispositif selon la revendication 3, caractérisé en ce que le scanner laser (17) est disposé de manière décalée par rapport au rail associé (6) dans la direction du côté interne de la voie.
EP03450220A 2002-10-29 2003-10-01 Procédé pour la mesure sans contact d'un profil transversal ou d'entrerails Expired - Lifetime EP1415885B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0072502U AT5911U3 (de) 2002-10-29 2002-10-29 Verfahren zur kontaktfreien messung eines querprofils bzw. abstands von schienen eines gleises
AT2002725U 2002-10-29

Publications (2)

Publication Number Publication Date
EP1415885A1 EP1415885A1 (fr) 2004-05-06
EP1415885B1 true EP1415885B1 (fr) 2009-07-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03450220A Expired - Lifetime EP1415885B1 (fr) 2002-10-29 2003-10-01 Procédé pour la mesure sans contact d'un profil transversal ou d'entrerails

Country Status (8)

Country Link
EP (1) EP1415885B1 (fr)
CN (1) CN100482888C (fr)
AT (2) AT5911U3 (fr)
DE (1) DE50311750D1 (fr)
DK (1) DK1415885T3 (fr)
ES (1) ES2329886T3 (fr)
PL (1) PL212085B1 (fr)
RU (1) RU2255873C1 (fr)

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DE102004017746B8 (de) * 2004-04-06 2006-04-06 Witt Industrie Elektronik Gmbh Verfahren und Vorrichtung zur Erfassung des Zustandes und zur Bearbeitung von Weichen in Gleisanlagen
DE102007009316B4 (de) * 2006-04-10 2020-06-10 Schwihag Ag Vorrichtung und Verfahren zum Inspizieren und/oder Überwachen einer eine oder mehrere Weichen aufweisenden Weichenanlage
CN100460255C (zh) * 2006-09-21 2009-02-11 北京交通大学 利用激光自动监测钢轨参数的装置、系统及其方法
DE102009007568A1 (de) * 2009-02-04 2010-08-05 Db Netz Ag Schienenfahrzeug mit einem durch Schienenfahrwerke auf einem Gleis verfahrbaren Maschinenrahmen
CN102953303B (zh) * 2011-08-19 2014-10-22 北京市重大项目建设指挥部办公室 地铁钢轨波磨的整治方法
AT513347B1 (de) * 2012-09-12 2015-05-15 Vossloh Mfl Rail Milling Gmbh Verfahren und Vorrichtung zur gesteuerten Seitenkopierung einer Vorrichtungseinheit bei Schienenfahrzeugen
CN103090768A (zh) * 2013-01-23 2013-05-08 成都四方瑞邦测控科技有限责任公司 一种铁路轨距尺检定器
CN103512507A (zh) * 2013-08-20 2014-01-15 中国人民解放军63602部队 一种大跨距钢轨轨距测量方法
CN104501755A (zh) * 2014-12-30 2015-04-08 苏州路云机电设备有限公司 一种便携式尖轨心轨测量仪
AT517345B1 (de) * 2015-06-17 2017-01-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Gleisbaumaschine zur Durchführung von Gleislagekorrekturen
CN108830841B (zh) * 2016-08-30 2021-11-26 大连民族大学 激光图像特征量选择阈值的计算方法
CN108189859B (zh) * 2016-08-30 2020-02-14 大连民族大学 判断两个激光图像特征是相关冗余特征的方法
AT519088B1 (de) 2017-02-07 2018-04-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Verfahren zur berührungslosen Erfassung einer Gleisgeometrie
CN107101549A (zh) * 2017-06-05 2017-08-29 林肯电梯(中国)有限公司 垂直循环立体车库外导轨检测装置
CN108571938B (zh) * 2018-04-18 2020-09-11 中铁山桥集团有限公司 一种尖轨轨廓测量装置
CN108562244A (zh) * 2018-06-26 2018-09-21 北京拓博尔轨道维护技术有限公司 一种线激光钢轨轮廓精度测量仪
CN208830072U (zh) * 2018-07-16 2019-05-07 宋长会 一种铁路线路钢轨平直度监测系统
CN109491322A (zh) * 2018-12-21 2019-03-19 中铁宝桥（南京）有限公司 一种用于道岔制造过程自动化在线检测设备及方法
CN109653045B (zh) * 2019-01-28 2021-03-12 武汉光谷卓越科技股份有限公司 轨距测量方法及装置
CN112304232A (zh) * 2019-07-29 2021-02-02 北京海益同展信息科技有限公司 轨道数据的测量装置及方法、轨道巡检机器人
CN113624194A (zh) * 2020-05-06 2021-11-09 中国石油化工股份有限公司 横向变形管道安全状态监测方法及装置
CN111609803B (zh) * 2020-06-08 2021-12-17 霍州煤电集团有限责任公司辛置煤矿 可提取纹理和颜色的煤矿立井罐道间距检测装置与方法
CZ2020603A3 (cs) * 2020-11-09 2021-11-10 Technická univerzita v Liberci Způsob určování rozchodu žlábkových kolejí a zařízení pro měření profilu a/nebo rozchodu žlábkových kolejí
CN112949483B (zh) * 2021-03-01 2022-05-03 浙江大学 一种基于Faster R-CNN的非接触式铁轨伸缩位移实时测量方法
CN114104628B (zh) * 2021-11-12 2024-09-20 武汉船用机械有限责任公司 轨道运输车的滚轮纠偏方法及轨道运输车
CN118149727B (zh) * 2024-05-09 2024-07-19 北京小明智铁科技有限公司 一种基于3d点云检测铁路道岔轨道结构的方法和系统

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Also Published As

Publication number Publication date
RU2003131043A (ru) 2005-04-20
AT5911U2 (de) 2003-01-27
EP1415885A1 (fr) 2004-05-06
ATE437787T1 (de) 2009-08-15
PL363067A1 (en) 2004-05-04
CN100482888C (zh) 2009-04-29
RU2255873C1 (ru) 2005-07-10
ES2329886T3 (es) 2009-12-02
AT5911U3 (de) 2003-11-25
DK1415885T3 (da) 2009-09-07
CN1499011A (zh) 2004-05-26
DE50311750D1 (de) 2009-09-10
PL212085B1 (pl) 2012-08-31

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