EP3816014A1 - Dispositif et procédé de détermination de données géométriques d'une voie formée de deux rails, doté d'un cadre mobile sur la voie - Google Patents

Dispositif et procédé de détermination de données géométriques d'une voie formée de deux rails, doté d'un cadre mobile sur la voie Download PDF

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Publication number
EP3816014A1
EP3816014A1 EP20204686.8A EP20204686A EP3816014A1 EP 3816014 A1 EP3816014 A1 EP 3816014A1 EP 20204686 A EP20204686 A EP 20204686A EP 3816014 A1 EP3816014 A1 EP 3816014A1
Authority
EP
European Patent Office
Prior art keywords
measuring
track
rail
rails
carrier
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.)
Granted
Application number
EP20204686.8A
Other languages
German (de)
English (en)
Other versions
EP3816014B1 (fr
EP3816014C0 (fr
Inventor
Tino Kralapp
Norbert Winkler
Jonny FRANKE
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.)
Deutsche Bahn AG
Original Assignee
Deutsche Bahn AG
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 Deutsche Bahn AG filed Critical Deutsche Bahn AG
Publication of EP3816014A1 publication Critical patent/EP3816014A1/fr
Application granted granted Critical
Publication of EP3816014B1 publication Critical patent/EP3816014B1/fr
Publication of EP3816014C0 publication Critical patent/EP3816014C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/042—Track changes detection
    • B61L23/047—Track or rail movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
    • B61D15/08—Railway inspection trolleys
    • B61D15/10—Railway inspection trolleys hand or foot propelled
    • 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
    • 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

Definitions

  • the invention relates to a device and a method for acquiring geometric data of a track formed from two rails with a frame that can be moved on the track.
  • measuring tracks On which the rail vehicles are measured.
  • measuring tracks are classified as test equipment and are therefore subject to increased requirements with regard to their geometric features, such as evenness, straightness, parallelism and track width.
  • measuring tracks In order to reliably adhere to the required small tolerances, measuring tracks must therefore be regularly checked and calibrated by measuring technology. This is time-consuming and labor-intensive when using conventional measuring technology. For example, to check the evenness deviations, the height of each rail in the area of each rail fastening (ie at a distance of approximately 0.6 m - 0.9 m along the rail) must be recorded with a leveling device.
  • the invention is therefore based on the object of providing a device and a method for acquiring geometric data of a track formed from two rails with a frame movable on the track, which make it possible to simplify and accelerate the calibration of measuring tracks for rail vehicles.
  • the use of laser trackers for the acquisition of geometric data of a measuring track should be made possible.
  • the device comprises a first and a second measuring device carrier, each held on the frame, as well as means for aligning at least one of the two measuring device carriers with respect to one of the two rails, each measuring device carrier has a console which has a first detachable receiving device for a leveling rod and a second detachable receiving device for a reflector element set up to reflect a laser beam.
  • a leveling staff and such a reflector element form the target marks of two different measuring systems, by means of which - in a manner known per se - geometric measured values or coordinates at the respective location occupied by the target mark can be determined.
  • both the leveling staff and the reflector element represent a measuring means within the meaning of the present invention.
  • the invention enables the integration of both - known per se - measuring methods on a common console of the same measuring device, so that the measuring track to be calibrated can be measured in a simple manner using both methods, without any modifications to the measuring device being necessary for this.
  • a detachable receiving device is to be understood as any receiving device in which the measuring means can be mounted or dismantled on the console or the measuring means carrier by means of simple handling means.
  • the invention enables the correlation of a first traceable measuring system, based on the use of a leveling rod, with a second, per se non-traceable measuring system, based on the use of a laser tracker, and thus enables a traceable measurement by correlating the two measuring systems using a laser tracker.
  • the first receiving device for the leveling staff is preferably designed as an essentially horizontal support surface
  • the second receiving device is designed for the reflector element according to a preferred embodiment in the form of a spherical or concave recess or recess, which is designed to receive a likewise spherical reflector element.
  • a measuring device carrier with a common reference base for two different measuring systems which integrates the two measuring systems, namely the measuring system of the laser tracker and the measuring system of the level, in a common device of the generic type for acquiring the geometric data of the measuring track made possible, so that any erroneous measured values of the first measuring system (laser tracker) can be correlated by means of the measured data of the second measuring system (leveling) and can thus be subjected to a correction.
  • such an integration of the target marks of both measuring systems on a common console of the same measuring device carrier accelerates and simplifies the data acquisition as such, since the target marks can be moved quickly and easily over the measuring track by means of the frame movable on the rails.
  • the invention enables a quasi-continuous measurement, with which a significantly higher measuring point density and thus also a significantly higher information content can be realized without increasing the time and personnel expenditure than when using conventional measuring methods.
  • the measurement data determined with a device according to the invention enable the evaluation of additional features derived from the measurement data, such as the twisting of the track, for wheel contact lengths of almost any length.
  • At least one of the two measuring device carriers has means for aligning it with respect to one of the two rails of the measuring track.
  • the device according to the invention can be designed according to a first variant in such a way that the two measuring means carriers can be displaced independently of one another relative to the frame and can each be aligned on one of the two rails.
  • the first measuring device carrier is held on the frame in such a way that when the device is used as intended (ie when the frame is correctly placed on the rails of the measuring track) it is directly on a first rail of the measuring track is directed.
  • the alignment means are designed such that the measuring means carrier is aligned along a first direction that extends at right angles to the longitudinal axes of both rails, and along a second direction that is at right angles and perpendicular to this Running surface or surface of the rail head of the first and / or second rail is directed.
  • a leveling device is provided, which is placed in a known manner on the rail to be measured at a predetermined distance from the device according to the invention and is aligned with the leveling staff.
  • the leveling device is thus - taken by itself - not part of the invention claimed here.
  • a laser tracker positioned in the spatial near field to the measuring track is also provided, which is also known per se and is not part of the invention.
  • the console is set up to alternately accommodate the leveling staff and the reflector element.
  • the console either carries a leveling staff or a reflector element.
  • This has the advantage that the console has smaller dimensions.
  • it is necessary to convert the measuring equipment on the console, i.e. to replace the leveling staff with a reflector element (or vice versa).
  • a parallel or simultaneous arrangement of both measuring means on the same console is therefore provided, so that such a change can be avoided.
  • each measuring device carrier has an arrangement of measuring elements, comprising at least one first measuring element that can be positioned against the running surface of the rail head of a rail and a second measuring element that can be positioned laterally against the inside of the rail head of the same rail.
  • the adjustment movement of the first measuring element takes place essentially in a vertical direction from above against the running surface or surface of the rail head.
  • the adjustment movement of the second measuring element takes place essentially in a horizontal one and a direction perpendicular to the longitudinal extension of the rail.
  • the pitching movements serve to produce a touch contact of the measuring elements with the rail head of the respective rail of the measuring track to be tested.
  • the measuring elements are preferably designed as measuring rollers. These are mounted in such a way that they roll on the rail during a movement of the frame and thus support a jolt-free and vibration-free movement.
  • the measuring elements in the form of balls or as sliding pieces with a sliding surface adapted to the respective contour of the rail head in the area of the touch contact.
  • the means for aligning the at least one measuring means carrier comprise a central element of the frame adjustable in length in a first direction perpendicular to the longitudinal direction of the track, as well as a vertical guide at right angles to this on one end of this central element.
  • the central element By means of the length adjustability of the central element, the relative distance between the second measuring device carrier and the first measuring device carrier can be changed.
  • the second measuring device carrier can be set to a position vertically above the second rail of the track to be measured, provided that the position of the first measuring device carrier is fixed in relation to the first rail of the same track.
  • the central element is preferably designed to be telescopic, for example in the form of an inner tube that is linearly guided in an outer sleeve and movable against a spring force.
  • the or both measuring device carriers can be adjusted or approached in the vertical direction against the surface of the rail head.
  • the frame is preferably formed from a central element which, on its end face oriented towards a first rail of the track, has a first arrangement of support elements for forming a first contact point on the first rail and on its second end face, distally opposite thereto, two essentially in having mutually opposite direction from the central longitudinal beam projecting support arms with support elements for forming a second and third contact point on the second rail of the track.
  • the frame is mounted in a non-tiltable manner in a three-point mounting on the two rails of the track to be measured.
  • the vertical distance of the second measuring device carrier can be varied or adjusted in relation to the rail head of the second rail, so that there is no static overdetermination in cooperation with the two support arms.
  • the support elements are designed as support rollers. Similar to the above-mentioned measuring rollers, these support rollers are also mounted in such a way that they roll on the rail during a movement of the frame and thus support a jolt-free and vibration-free movement.
  • the support elements in the form of balls or as sliding pieces with a sliding surface adapted to the respective contour of the rail head in the area of the touch contact.
  • each support arm has an adjustment rod, the length of which can be adjusted by means of a knurled screw and the end of which is adjustable in length is articulated on a guide rod guiding the support arm.
  • Such an adjustability of the opening angle can, in particular, result in a static overdetermination between the support elements that can be adjusted in the horizontal direction on the rail head and the support elements on the same Rail head adjustable in a horizontal direction measuring element can be avoided in that when the measuring element is in contact with the rail head, the opening angles of both support arms are reduced so that the support elements have a small amount of horizontal play in relation to the rail head. In this way, sluggishness or jamming of the device during the process over the measuring track with measuring elements resting against the rail heads in the horizontal direction are avoided.
  • a “single point measurement” is understood to mean that the device according to the invention is stopped during the travel movement on the measuring track at individual measuring points suitable as support points - for example at each location of a rail fastening - and the measurement is carried out there by means of the leveling device.
  • This is to be distinguished from the continuous measuring method, in which the measuring points are generated by reflecting the laser beam emitted by the laser tracker on the reflector element during a continuous movement of the device according to the invention over the measuring track.
  • the correlation of the geometric data determined in both measurement runs then takes place in a third method step.
  • the frame of the in Figure 1 The device according to the invention shown comprises a central element (10) which is constructed from an outer sleeve and an inner tube that is linearly guided or movable in this outer sleeve against a spring force.
  • a first and a second measuring device carrier (3, 4) are attached to each of the two distal end faces of the outer sleeve and inner tube. While the first measuring device carrier (3) is rigidly (that is, in a non-adjustable manner) attached to the end face of the outer sleeve of the central element (10), the second measuring device carrier (4) is on the end face of the vertically adjustable linear guide Inner tube of the central element (10) attached.
  • Both measuring device carriers (3, 4) each have an approximately horizontally aligned bracket (5), each of which has a first detachable receiving device (51) in the form of a flat support surface for setting up a leveling staff (6) and a has a second detachable receiving device (52) in the form of a concave recess for receiving a spherical reflector element for reflecting a laser beam emitted by a laser tracker.
  • the two measuring device carriers (3, 4) each comprise an arrangement of two measuring rollers (8, 9) aligned at right angles to one another, the first measuring roller (8) for contact in the vertical direction against the running surface or surface of the rail head of one to be measured
  • the rail is set up and the second measuring roller (9) is set up to rest in the horizontal direction against the inner running edge of the same rail head with respect to the track.
  • the first measuring device carrier (3) on the first end face of the frame is rigid (i.e. not displaceable or displaceable in relation to the central element)
  • the measuring device carrier (4) opposite to this is in relation to the second end side of the frame executed on this adjustable.
  • the means provided for this purpose for aligning the second measuring device carrier (and thus also the second arrangement of measuring rollers) in the vertical direction include the aforementioned vertical guide and, in the horizontal direction, the linear displaceability of the inner tube in the outer sleeve of the central element.
  • the central element (10) of the frame also comprises two support arms (12) which can be folded out with respect to the inner tube with the formation of an opening angle ( ⁇ ) at the end of the inner tube, and a pair of support rollers (14, 15) are arranged at each of their outer ends which are set up for vertical and horizontal contact against the rail head of the rail to be measured.
  • Each support arm (12) is linearly guided on the inner tube by means of a guide rod (16) and a slide to increase stability.
  • each support arm (12) in relation to the central element ( 10) can be fine-tuned.
  • this is thus with its first measuring device carrier (3) arranged rigidly on the frame on a first rail (1) of a track to be measured and placed and with two support arms (12, 13) on the second rail opposite thereto ( 2) on the same track can be supported.
  • the second measuring device carrier (4) can be adjusted both vertically and horizontally against the running surface or the running edge of the rail head of the second rail by means of the vertical slide and the inner tube which is horizontally adjustable against the outer sleeve.
  • the opening angle ( ⁇ ) of both support arms (12) can be individually adjusted by means of the adjusting rod (17), in particular reducible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
EP20204686.8A 2019-10-30 2020-10-29 Dispositif et procédé de détermination de données géométriques d'une voie formée de deux rails, doté d'un cadre mobile sur la voie Active EP3816014B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019129296.4A DE102019129296A1 (de) 2019-10-30 2019-10-30 Vorrichtung und Verfahren zur Erfassung von geometrischen Daten eines aus zwei Schienen gebildeten Gleises mit einem auf dem Gleis verfahrbaren Rahmengestell

Publications (3)

Publication Number Publication Date
EP3816014A1 true EP3816014A1 (fr) 2021-05-05
EP3816014B1 EP3816014B1 (fr) 2024-09-11
EP3816014C0 EP3816014C0 (fr) 2024-09-11

Family

ID=73039891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20204686.8A Active EP3816014B1 (fr) 2019-10-30 2020-10-29 Dispositif et procédé de détermination de données géométriques d'une voie formée de deux rails, doté d'un cadre mobile sur la voie

Country Status (3)

Country Link
EP (1) EP3816014B1 (fr)
DE (1) DE102019129296A1 (fr)
PL (1) PL3816014T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113446982A (zh) * 2021-06-24 2021-09-28 中国铁道科学研究院集团有限公司 轨道几何检测系统的动态校准方法及装置
CN114088020A (zh) * 2021-11-03 2022-02-25 武汉理工大学 一种钢轨直线度检测机构
CN117071345A (zh) * 2023-08-14 2023-11-17 中船黄埔文冲船舶有限公司 一种路轨测量调节工装

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950807A1 (de) 1969-10-09 1971-04-15 Rheinische Braunkohlenw Ag Verfahren und Einrichtung zum Nivellieren eines Gleises
DD265189A1 (de) 1987-09-11 1989-02-22 Bmk Ind & Hafenbau Vorrichtung zur aufnahme von messgroessen im gleisbau
DE10045468A1 (de) * 2000-09-14 2002-04-04 Bahnbau Wels Gmbh Wels Gleismeßeinrichtung
KR100737517B1 (ko) * 2006-10-27 2007-07-10 (주)파비스 철도레일 측정시스템 및 측정방법
DE202014004017U1 (de) 2014-05-13 2014-08-04 O&F Swiss Gmbh Transportable Vorrichtung zur Messung von Gleisparametern

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816224B2 (de) * 1968-12-21 1977-11-10 Vorrichtung zum pruefen von eisenbahngleisen
AT316616B (de) * 1973-04-09 1974-07-25 Plasser Bahnbaumasch Franz Vorrichtung zum Messen der seitlichen Lage eines Gleises zum Nachbargleis
FI80790C (fi) * 1988-02-22 1990-07-10 Matti Henttinen Foerfarande och anordning foer bestaemning av ett spaors laege.
DE102012106102B3 (de) * 2012-07-06 2013-12-19 Wilfried Scherf Anordnung zur Erfassung des Profils von Schienen in verlegten Gleisanlagen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950807A1 (de) 1969-10-09 1971-04-15 Rheinische Braunkohlenw Ag Verfahren und Einrichtung zum Nivellieren eines Gleises
DD265189A1 (de) 1987-09-11 1989-02-22 Bmk Ind & Hafenbau Vorrichtung zur aufnahme von messgroessen im gleisbau
DE10045468A1 (de) * 2000-09-14 2002-04-04 Bahnbau Wels Gmbh Wels Gleismeßeinrichtung
KR100737517B1 (ko) * 2006-10-27 2007-07-10 (주)파비스 철도레일 측정시스템 및 측정방법
DE202014004017U1 (de) 2014-05-13 2014-08-04 O&F Swiss Gmbh Transportable Vorrichtung zur Messung von Gleisparametern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113446982A (zh) * 2021-06-24 2021-09-28 中国铁道科学研究院集团有限公司 轨道几何检测系统的动态校准方法及装置
CN114088020A (zh) * 2021-11-03 2022-02-25 武汉理工大学 一种钢轨直线度检测机构
CN117071345A (zh) * 2023-08-14 2023-11-17 中船黄埔文冲船舶有限公司 一种路轨测量调节工装

Also Published As

Publication number Publication date
EP3816014B1 (fr) 2024-09-11
PL3816014T3 (pl) 2025-02-03
EP3816014C0 (fr) 2024-09-11
DE102019129296A1 (de) 2021-05-06

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