EP3802956B1 - Procédé de bourrage d'une voie ferrée dans la zone d'un aiguillage - Google Patents

Procédé de bourrage d'une voie ferrée dans la zone d'un aiguillage Download PDF

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Publication number
EP3802956B1
EP3802956B1 EP19717905.4A EP19717905A EP3802956B1 EP 3802956 B1 EP3802956 B1 EP 3802956B1 EP 19717905 A EP19717905 A EP 19717905A EP 3802956 B1 EP3802956 B1 EP 3802956B1
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EP
European Patent Office
Prior art keywords
branch
track
tamping
recorded
correction 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.)
Active
Application number
EP19717905.4A
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German (de)
English (en)
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EP3802956C0 (fr
EP3802956A1 (fr
Inventor
Martin BÜRGER
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.)
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
Original Assignee
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
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Publication of EP3802956A1 publication Critical patent/EP3802956A1/fr
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Publication of EP3802956C0 publication Critical patent/EP3802956C0/fr
Publication of EP3802956B1 publication Critical patent/EP3802956B1/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
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E01B27/17—Sleeper-tamping machines combined with means for lifting, levelling or slewing the track
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/12—Tamping devices
    • E01B2203/125—Tamping devices adapted for switches or crossings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings

Definitions

  • the invention relates to a method for tamping a track in the area of a set of points using a tamping machine that can be moved along the track, in which a first branch is brought into a desired position and tamped in a first work cycle, with the tamping machine then moving backwards to a branch point and in a second A second branch is brought into a target position and stuffed during the work cycle.
  • Track-movable tamping machines for tamping track sections and switch sections have been known for a long time.
  • the EP 1 143 069 A1 such a machine.
  • This includes a lifting/straightening unit for leveling and straightening a main track (main track) and an additional lifting device for lifting a branch track branching off from the main track (branch line of a switch).
  • the branch track is also lifted in the effective range of the additional lifting device while driving on the main track, with a common measuring system ensuring a controlled lifting of the points.
  • the invention is based on the object of specifying improvements over the prior art for a method of the type mentioned at the outset.
  • an actual position of the second branch is detected by means of a sensor arrangement, in particular in relation to the position of the first branch, and correction values for the position of the second branch are calculated on the basis of this detected actual position.
  • the reverse travel which is necessary in any case, is used in this way to determine the position of the second branch that has changed during the course of the first work pass. This eliminates the need for a time-consuming manual intermediate measurement before the second work cycle can begin.
  • the first branch here is the track that is lifted and straightened during the first work pass, regardless of whether it is a main track or a branch track.
  • the actual position of the second branch is detected in a detection area that extends beyond a switch end.
  • the end of the switch is usually the last continuous common sleeper of the main track and branch track.
  • a further improvement provides that a reference plane defined by the position of the first branch is specified and that correction values for the position of the second branch are calculated as deviations from this reference plane.
  • the correction of the second branch, carried out in the second pass is carried out in relation to the first branch, which has already been stuffed.
  • the correction of the second branch can also take place with respect to another predetermined desired position.
  • surface contours of the two branches are advantageously detected by means of the sensor arrangement.
  • the actual positions of the track axes can be calculated in a simple manner and the correction values can then be specified.
  • the surface contours are recorded as a cloud of points and evaluated by means of a computing unit.
  • Efficient algorithms are known for processing the corresponding data, which enable the track axes to be determined quickly and precisely. Filter methods can also be used to reduce the amount of data. For example, only the surface points of the rails are processed further. With known algorithms, imaging errors, distortion errors or other detection errors are also reliably detected and eliminated.
  • a development of the method provides that the calculated correction values are transmitted to a so-called control computer of the tamping machine.
  • the control computer is a computing unit for carrying out a track geometry correction, with the tamping machine being guided according to a specified target geometry of the track.
  • the control computer specifies the appropriate parameters for the control devices of the tamping machine.
  • the tamping machine 1 shown can be moved on a track 3 by means of driven rail carriages 2 .
  • Track 3 includes Sleepers 4, which form a track grid with rails 5 fastened to them, which is mounted in a ballast bed 6.
  • a switch 7 branches the track 3 into two branches 8,9. In the case of a simple switch according to 2 are these a main track and a branch track.
  • curved points, double points and crossing points Special procedures and special tamping machines are used to correct the position of such switch sections.
  • the tamping machine 1 comprises a tamping unit 10, a lifting device 11 and a measuring device 12 with measuring carriages 13 and measuring chords 14.
  • the measuring chords 14 are, for example, tensioned steel chords or optical chords that run between light-emitting elements and light sensors.
  • the lifting adjustment device 11 has two laterally extendable additional lifting adjustment devices 16. A branching branch 9 is lifted and straightened by means of the respective additional lifting reporting device 16 until a maximum lateral processing limit 17 is reached.
  • a sensor arrangement 19 is attached to the front face in the working direction 18 .
  • This includes a laser scanner 20 and/or a light section sensor 21 and an evaluation device 22 for calculating a point cloud. Further information can be recorded by means of a camera 23 .
  • the point cloud can be supplemented with color information.
  • a switch section to be processed with a simple switch 7 comprises a switch heart 24, switch tongues 25 and check rails 26 as well as a switch start 27 and two switch ends 28.
  • the main track and the branch track have continuous sleepers 4 up to the switch ends 28, so that lifting or straightening of one branch inevitably affects the other branch.
  • the first branch 8 When correcting the track position in the switch section, the first branch 8 is initially brought into a predetermined target position in a first work step.
  • the elevation reporting device 11 lifts and aligns the track grid, with the current track position being measured continuously by means of the measuring device 12 is recorded and compared with the specified target position.
  • the track grid is stabilized in its position by compacting the ballast bed 6 by means of the tamping unit 10 .
  • the tamping machine 1 is guided with a so-called master computer 29 according to a known desired geometry of the track 3.
  • master computer 29 As an alternative to this, there is also the possibility of guiding the tamping machine 1 with an unknown target geometry.
  • a measuring run is carried out with the tamping machine 1 before the track position is corrected, and the target position is determined with corresponding correction values from the measured actual position of the track 3 by means of an electronic versine correction.
  • the sensor arrangement 19 is set up in such a way that the actual position of the second branch 9 is detected while the tamping machine 1 is reversing up to a junction point. Since the tamping machine 1 moves along the first branch 8, this forms the reference basis for detecting the actual position of the second branch 9. Correction values 30, 31, 32 for the position of the second branch 9 are calculated from this.
  • the position of the second branch 9 is detected in a detection area 33 in which the actual position of the second branch 9 was changed during the first work cycle. This detection area 33 extends at least beyond the processing limit 17 and advantageously beyond the switch end 28 .
  • the larger detection area 33 allows reliable detection of the entire section of the second branch 9 that was changed during the first work pass.
  • the laser scanner 20 is arranged on the front face of the tamping machine 1 in the middle in the upper area, so that a wide area is covered on both sides of the tamping machine 1 .
  • a laser beam rotating about a longitudinal axis of the tamping machine 1 sweeps over the surface of the track 3 and its surroundings, a distance to the irradiated surface point being measured at clocked intervals. In this way, a grid-like detection of the surface is created.
  • a cross-section of the track and its surroundings is measured, with a helical juxtaposition of measuring points takes place. The sum of all measuring points provides a point cloud of the track and its surroundings.
  • light section sensors 21 are arranged above each rail. These also emit laser beams and measure the distance to an illuminated surface point using a detector based on the principle of triangulation.
  • the result is a point cloud of the track and its surroundings. With the simultaneous use of several sensors 20, 21, 23, sensor fusion brings together all the measurement data by means of the evaluation device 22.
  • the resulting point cloud contains precise position information and possibly color information of the surface points of track 3 and its surroundings.
  • An orthogonal coordinate system x, y, z following the course of the track is advantageously specified as a common reference system ( 3 ).
  • the origin of the coordinates is preferably on the so-called track axis 34 (center of the track), which runs at half the track width between the two rails 5 .
  • the x-axis of the coordinate system points in the direction of travel, the y-axis in the transverse direction of the track.
  • the z-axis values then indicate height deviations of the detected surface points with respect to the xy plane.
  • the distance s to a reference point fixed along the track is continuously recorded (kilometre counting), for example by means of an odometer.
  • a GNSS device can be used to determine the current measurement position.
  • the y-coordinates and z-coordinates relevant to the track position are thus assigned to an exact position on track 3. The same applies when specifying a stationary or inertial coordinate system as a common reference system.
  • the detected point cloud is usually initially related to a different coordinate system, which is moved with the sensor device 19, for example.
  • the position of the track axis 34 is first calculated from coordinates of the surface points 35 on the inner edges of the rails 5 of the track 3 traveled on. This Surface points 35 are determined using known pattern recognition methods.
  • the coordinates of all points or a previously filtered point set of the point cloud are transformed to the x, y, z coordinate system following the course of the track.
  • the transformation process preferably takes place in a computing unit 36 of the tamping machine 1, in which software for pattern recognition and coordinate transformation is set up.
  • the surface points of the second branch 9 in relation to the first branch 8 are recorded during the reverse movement of the tamping machine 1 after the first work pass has taken place.
  • the software set up in the computing unit 36 determines the coordinates of the surface points 35 on the inner edges of the rails 5 of the second branch 9 and the corresponding track axis 34. This is done by means of pattern recognition and, if necessary, by interpolation if no recorded surface point can be assigned to the respective inner rail edge is.
  • the reach unit 36 calculates correction values 30, 31, 32 for the two rails 5 or the track axis 34 for the second work cycle, depending on the distance s along the second branch 9. Specifically, all relevant points of the point cloud along the two branches 8, 9 for the calculation of the correction values 30, 31, 32 used. It is irrelevant that during the measurement by means of the laser scanner 20 a transverse profile of the track 3 recorded on the first branch 8 results in a profile of the track 3 running obliquely for the second branch 9 . As soon as all the scanned surface profiles have been put together to form the spatial point cloud, the entire actual geometry of the two detected branches 8, 9 is known in a common reference system.
  • the second branch 9 is usually raised to the level of the first branch 8 that has already been processed.
  • the correction values are easy to determine because the first branch is specified as the reference system for capturing the point cloud.
  • a reference plane 37 predetermined by the position of the first branch 8 is determined and deviations from this plane are used as correction values 30, 31, 32 Reference plane 37 calculated.
  • the correction values 30, 31, 32 correspond to the detected deviations in the direction of the z-axis. If the specified target position of the first branch 8 was not reached in the first work run, this target position that was not reached is used as the reference system for the calculation of the correction values 30 , 31 , 32 . There is therefore no error propagation.
  • the correction values 30, 31, 32 are calculated accordingly Correction work continued as usual. This transition can be recognized by the fact that the actual position of the second branch 9 recorded during reversing corresponds to a previously measured actual position at the corresponding track location.
  • the control computer 29 calculates the working and adjustment parameters that are required to control the tamping machine 1 .
  • the actual position of the second line 9 can be transmitted to the control computer 29, in particular as a course of arrow heights.
  • the correction values 30, 31, 32 are then calculated by means of the control computer 29 by comparison with a stored target position of the corresponding track section. During the work passes, the measuring device 12 is used to ensure that the specified corrections are achieved.

Claims (6)

  1. Procédé de bourrage inférieur d'une voie ferrée (3) dans la région d'un aiguillage (7) au moyen d'une machine de bourrage ferroviaire (1), dans lequel un premier branchement (8) est amené dans une position de consigne et subit un bourrage inférieur dans une première passe de travail, dans lequel une marche arrière de la machine de bourrage (1) s'effectue ensuite jusqu'avant une bifurcation et dans lequel un second branchement (9) est amené dans une position de consigne et subit un bourrage inférieur dans une seconde passe de travail, caractérisé en ce qu'une position réelle du second branchement (9) est détectée pendant la marche arrière au moyen d'un agencement de capteur (19), notamment par rapport à la position du premier branchement (8), et que des valeurs de correction (30, 31, 32) pour la position du second branchement (9) sont calculées sur la base de cette position réelle détectée.
  2. Procédé selon la revendication 1, caractérisé en ce que la détection de la position réelle du second branchement (9) s'effectue dans une région de détection (33) dépassant une extrémité d'aiguillage (28).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'un plan de référence (37) défini par la position du premier branchement (8) est prédéfini et que des valeurs de correction (30, 31, 32) pour la position du second branchement (9) sont calculées en tant qu'écarts par rapport à ce plan de référence (37).
  4. Procédé selon une des revendications 1 à 3, caractérisé en ce que des contours superficiels des deux branchements (8, 9) sont détectés au moyen de l'agencement de capteur (19).
  5. Procédé selon la revendication 4, caractérisé en ce que les contours superficiels sont détectés en tant que nuage de points et évalués au moyen d'une unité centrale (36).
  6. Procédé selon une des revendications 1 à 5, caractérisé en ce que les valeurs de correction calculées (30, 31, 32) sont transmises à ce qu'on appelle un ordinateur maître (29) de la machine de bourrage (1).
EP19717905.4A 2018-05-24 2019-04-16 Procédé de bourrage d'une voie ferrée dans la zone d'un aiguillage Active EP3802956B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA148/2018A AT520824B1 (de) 2018-05-24 2018-05-24 Verfahren und Maschine zum Unterstopfen eines Gleises im Bereich einer Weiche
PCT/EP2019/059729 WO2019223939A1 (fr) 2018-05-24 2019-04-16 Procédé et machine de bourrage d'une voie ferrée dans la zone d'un aiguillage

Publications (3)

Publication Number Publication Date
EP3802956A1 EP3802956A1 (fr) 2021-04-14
EP3802956C0 EP3802956C0 (fr) 2023-06-21
EP3802956B1 true EP3802956B1 (fr) 2023-06-21

Family

ID=66182595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19717905.4A Active EP3802956B1 (fr) 2018-05-24 2019-04-16 Procédé de bourrage d'une voie ferrée dans la zone d'un aiguillage

Country Status (8)

Country Link
US (1) US20210156094A1 (fr)
EP (1) EP3802956B1 (fr)
JP (1) JP7326338B2 (fr)
CN (1) CN112154234B (fr)
AT (1) AT520824B1 (fr)
CA (1) CA3095693A1 (fr)
EA (1) EA202000262A1 (fr)
WO (1) WO2019223939A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112857329B (zh) * 2021-02-02 2022-08-30 中国铁路设计集团有限公司 铁路既有线岔心测量方法、系统、存储介质及电子设备
CN113255066B (zh) * 2021-07-15 2021-10-15 北京交通大学 一种基于捣固车作业特性的起拨量综合优化方法
AT525332A1 (de) * 2021-08-04 2023-02-15 Hp3 Real Gmbh Verfahren zur Berichtigung des Seitenabstandes und des Höhenabstandes einer Bahnsteigkante zur Gleisachse

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT391502B (de) * 1988-08-08 1990-10-25 Plasser Bahnbaumasch Franz Fahrbare gleisstopf-, hebe- und richtmaschine zum heben und bzw. oder seitwaertsverschieben eines gleises im weichen- und kreuzungsbereich
AT391903B (de) * 1989-01-26 1990-12-27 Plasser Bahnbaumasch Franz Fahrbare gleisbearbeitungsmaschine mit einer einrichtung zur steuerung der arbeits-position ihrer arbeits-aggregate bzw. -werkzeuge
EP0930398A1 (fr) * 1998-01-19 1999-07-21 Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. Méthode de correction de la position d'une voie de chemin de fer
JP3978554B2 (ja) 1998-06-15 2007-09-19 十三 松井 道床突き固め用軌道作業機
AT3739U3 (de) * 2000-04-07 2001-03-26 Plasser Bahnbaumasch Franz Stopfmaschine
AT3877U3 (de) * 2000-06-09 2001-03-26 Plasser Bahnbaumasch Franz Stopfmaschine
JP2002146702A (ja) 2000-11-08 2002-05-22 Nagoya Railroad Co Ltd 道床のつき固め方法及び道床のつき固め装置
JP6269409B2 (ja) 2014-09-17 2018-01-31 三菱電機株式会社 軌間計測装置、軌間計測方法
AT516358B1 (de) * 2014-10-14 2017-01-15 System 7 - Railsupport GmbH Stopfmaschine zum Verdichten der Schotterbettung eines Gleises
AT516590B1 (de) * 2014-11-28 2017-01-15 System 7 - Railsupport GmbH Verfahren und Vorrichtung zum Verdichten der Schotterbettung eines Gleises
US10125456B2 (en) * 2015-07-10 2018-11-13 Harsco Technologies LLC Workhead assembly for rail applications
AT518373B1 (de) 2016-02-24 2018-05-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Maschine mit Stabilisierungsaggregat und Messverfahren

Also Published As

Publication number Publication date
WO2019223939A1 (fr) 2019-11-28
US20210156094A1 (en) 2021-05-27
AT520824A4 (de) 2019-08-15
EP3802956C0 (fr) 2023-06-21
CN112154234A (zh) 2020-12-29
EA202000262A1 (ru) 2021-03-18
CA3095693A1 (fr) 2019-11-28
AT520824B1 (de) 2019-08-15
EP3802956A1 (fr) 2021-04-14
CN112154234B (zh) 2022-11-11
JP7326338B2 (ja) 2023-08-15
JP2021523992A (ja) 2021-09-09

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