EP3841250A1 - Verfahren zur automatischen lagekorrektur eines gleises - Google Patents
Verfahren zur automatischen lagekorrektur eines gleisesInfo
- Publication number
- EP3841250A1 EP3841250A1 EP19756091.5A EP19756091A EP3841250A1 EP 3841250 A1 EP3841250 A1 EP 3841250A1 EP 19756091 A EP19756091 A EP 19756091A EP 3841250 A1 EP3841250 A1 EP 3841250A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- track
- tamping
- individual
- correction
- error
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012937 correction Methods 0.000 title claims abstract description 27
- 238000002292 fluorescence lifetime imaging microscopy Methods 0.000 claims abstract 2
- 238000005259 measurement Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 235000019589 hardness Nutrition 0.000 description 16
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 241001669679 Eleotris Species 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 101100382854 Arabidopsis thaliana CCD7 gene Proteins 0.000 description 2
- 102100022002 CD59 glycoprotein Human genes 0.000 description 2
- 101000897400 Homo sapiens CD59 glycoprotein Proteins 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 241000238876 Acari Species 0.000 description 1
- 101100129496 Arabidopsis thaliana CYP711A1 gene Proteins 0.000 description 1
- 101100129499 Arabidopsis thaliana MAX2 gene Proteins 0.000 description 1
- 101100083446 Danio rerio plekhh1 gene Proteins 0.000 description 1
- 206010042674 Swelling Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
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- 238000005562 fading Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/04—Lifting or levelling of tracks
-
- 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 method for correcting individual errors of a railroad track formed from rails and sleepers. State of the art
- the ballast has a long service life (long lay times typically more than 10 years), the ballast is usually heavily contaminated and worn. Firstly, the gravel breaks off at the grain tips and the broken parts then lie between the gravel. Rock dust collects in between (gravel abrasion under traffic load).
- the trigger of an individual error is a singular track discontinuity such as an uneven rail joint or a hollow threshold. Trains running over this bump exert high dynamic forces. As a result, the ballast is exposed to a high load under these areas, breaks at the edges, rounds, the fine particles fill the cavities between the grains. The error not only increases, but also extends in the longitudinal direction due to the wheel-rail interaction. The excited car bodies (caused by the track error to rebound and rebound) result in subsequent individual errors with a typically lower and fading error level.
- the left and right rails are only plugged along the respective error length of the individual rail side. If these errors are clearly offset from one another in the longitudinal direction, a torsion error is installed.
- the procedure begins with correcting the position by stuffing the track at the determined starting point (at the floe point) without spotting. It is known from studies that even with a tamping without staining, a tensile load of 5 mm is established. According to the method according to EP1 028 193 B1, this results in up to four successive distortion errors (calculated with the usual torsion base of 3 m) of up to 5 mm each.
- the intervention threshold that requires a track correction is close to this value. The track geometry left behind would therefore already be borderline in terms of torsion.
- the start and end of the tamping are placed exactly on the hole point.
- the floe point of the track is formed by particularly firm sleepers. If these remain in their extremely firm condition, then after the tamping there will be a sudden transition between hard (before the track error) and soft (along the length of the track error). This maintains the high dynamic wheel-rail interaction. The corrected error will recur quickly.
- EP1 028 193 B1 Another disadvantage of the method according to EP1 028 193 B1 is that prior to the actual work, the determined target geometry is not checked with regard to the torsional errors to be expected and the design is possibly corrected. It is also disadvantageous that the use of the multiple tamping or the selection of the tamping parameters is left to the machine operator and the operator can proceed according to the opinion. The current ballast condition is not recorded and is not included in the planning of the design of the target track geometry. As a check of the quality of the work carried out, the track geometry left behind is recorded according to EP1 028 193 B1 alone. This gives no information about the durability of the track correction and also no information about the ballast conditions in the error area.
- tamping units with fully hydraulic tamping drive which measure the bed hardness by measuring the compression force and the compression path. These provide information about the ballast hardness and the condition of the ballast by recording the ballast hardness and the level of compaction (compaction force) achieved by the tamping. If, for example, only a low compression force is measured when tamping (typically 10-30 kN compression force, bed hardness ⁇ 150 Nm), the ballast is crushed and rounded off there. Sufficient interlocking of the gravel grains cannot be achieved. The darning will have no durability. The corrected individual error will develop again shortly (typically within 1 -2 million Lto). Depending on the level of the error, multiple tamping is used according to the state of the art. For a track lift of more than 40mm e.g. twice tamping or three times tamping on the same threshold from 60mm.
- WO2018082798 (A1) a method for correcting vertical position errors of a track by means of a track tamping machine and a dynamic track stabilizer is known, whereby based on a detected actual track position for a processed track location, an excess weight is specified with which the track can be moved into a preliminary position Lifting track position is raised and stuffed and then lowered into a resulting end track position by means of dynamic stabilization.
- a smoothed actual position curve is formed from a course of the actual track position and an overhevaluation is made for the processed track location depending on the course of the actual track position with respect to the smoothed actual position. Predefined location course.
- the invention is therefore based on the object of specifying a method for correcting track position of extreme longitudinal height individual errors which significantly increases the durability of the track position of the corrected individual errors compared to the previously known methods, and also offers the possibility of predicting the durability by objective measurement.
- this object is achieved with a method characterized by the following steps: measuring the amplitude and phase-correct undistorted height profile of the left and right rails, the directional error and the elevation by means of an inertial measuring system or a north-based navigation measuring system.
- the method can be expanded by test tamping to determine the bedding hardness with the tamping unit. For this, e.g. After measuring the track geometry in the now known error range, a test stop without lifting was carried out to determine the ballast bed hardness and the compacting force and thus the ballast condition. Depending on the gravel condition, the track can then be raised to achieve a better durability.
- the worn ballast can be removed with carried machines and replaced with new one in order to be able to rule out a return of the track fault.
- the ballast state (bedding hardness, compacting force) is measured and recorded at each threshold during the track position correction.
- the directional error and the cant are corrected at the same time.
- the directional error is derived analogously from the IMU measurements and the resulting correction values are given to the machine control system.
- the increase is included in the calculation of the reference heights of the two rails.
- the main advantages of the method according to the invention lie in the precise phase and amplitude-accurate detection of the individual errors, a Uniformity of the vertical stiffness, an extension of the durability of the track geometry of the corrected single defect and a proof of quality by means of the bedding hardness and the compressive force at the individual processing thresholds and based on it statements about the expected durability of the track error correction.
- a low bedding hardness (W ... soft, N ... normal, H ... hard) is an indication of destroyed ballast and greatly reduced durability of the tamping.
- FIG. 1 schematically shows a single fault tamping machine
- Fig. 2 schematically shows a measured individual fault of a rail track.
- Fig. 3 shows schematically illustrated measured individual fault profiles of the left and right rails
- Fig. 4 is a diagram showing the course of settlement depending on the elevation, as well as the course of the remaining elevation in the track
- Fig. 6 schematically shows an individual error and the course of the bedding hardness over the length of the individual error
- Fig. 1 shows a single fault tamping machine 2.
- the direction of work is given with W is.
- the track is raised and directed into the desired position by means of lifting drives 3 and directional drives 4 via a lifting-straightening device 13.
- the track position is corrected with the tamping unit 7 and the tamping tools 8, 15 which plunge into the ballast and compact the ballast under the sleepers 9.
- the machine 2 is powered by a drive motor 5 while working and driving.
- the machine 2 is designed so that it can also correct individual errors in switches.
- the machine is equipped with swiveling tamping axes 8, 15, split-head tamping units 7 and a rotating device 6 for the tamping units 7.
- the machine 2 can be moved on the track 16 via bogies 12.
- the rails 16 rest on the cross sleepers 9 which lie in the ballast bed.
- the machine's own control system consists of the two measuring carriages 10 and the rear IMU measuring carriage 1 1.
- the machine control and measuring system is usually designed as a chord measuring system. One chord runs in the middle for the correct position and two further chords are guided over the rails 16 for the longitudinal height position.
- the sensors for detecting the longitudinal heights and the direction are located on the middle measuring carriage 10.
- the rear measuring carriage 11 is designed such that an inertial unit or a north-based navigation system built on it can record the longitudinal height of both rails, the correct position and the transverse height depending on the path ,
- the path s during the measurement run is recorded via an odometer.
- the measured values are recorded, displayed and stored equidistantly on an on-board computer with display 18.
- the vehicle has two driving cabins 17.
- Fu m indicates a limit that an error must fall below so that it is treated as an individual error to be corrected.
- a simple mathematical way to determine the size of the individual errors and the high points is to search for the maxima (MAX) and minima (MIN).
- the typical length of a pronounced single fault LType is between 12-15 m. If there are others in the vicinity of the first detected individual error that fall below the limit value Fu m (MINi, MIN2, MIN3), then these are only taken into account if they are within a maximum length Smax (eg typically 35-40m). This is to prevent entire sections of the route from being worked through instead of eliminating the dangerous individual errors.
- the aim of the invention is the automatic computer-aided definition of the defective tamping area and the tamping parameters.
- Mechanized individual fault correction is only carried out in the event of dangerous individual faults which, if not remedied, would lead to a track lock or a slow driving position. As this as quickly as possible to work through, longer sections would be inefficient.
- Fu m is set in such a way that individual errors that are almost the same order of magnitude as the actual triggering individual error are eliminated. This is efficient because otherwise these errors would develop into a critical error in the near future.
- H (n) specifies the bleeding value at the threshold n.
- the dashed line connecting the maxima (MAXi, MAX2, MAX3) is the reference contour line of the left rail to which the rail is brought by the correction.
- the tamping N thresholds (typically 6) is started before the high point MAX1 and M thresholds (typical 6) is ended after the last high point MAX3. Since the track error with the minimum MIN 4 is above the error limit Fu m (i.e. smaller), it is not taken into account for the correction and remains in the track without correction.
- S indicates the start of the tamping and E the end. The precise positioning at the starting point S can be carried out by the machine operator using the graphic representation on the control computer 18.
- FIG. 3 shows an example of the individual fault profile Fu of the left rail and the individual error profile FRe of the right rail at the bottom.
- the right rail has an increasing cant u (x).
- the single error lies in a transition sheet.
- the reference line REFu results for the left rail
- the reference line REF-Re for the right elevated rail results from the increase ramp u (s). Since there is a 5mm settlement after tamping even without lifting, the individual errors on the left and right are raised separately in height, but both sides are always tamped at the same time. The settlement then follows evenly on both sides of the rail, so there is no twisting error.
- the starting point S is the longitudinal height error first detected and corrected in the longitudinal direction and the last detected longitudinal height error to be corrected is taken as end point E.
- the difference in the cant is calculated over the typical base length B of the twisting of 3 m.
- FIG. 6 shows an example of the course of the individual error e from the previous diagram (line with circles).
- the bedding hardness b which is determined with the fully hydraulic tamping unit during tamping.
- the bedding hardness in the marked area W is low.
- the cause is smaller, rounded gravel that can no longer be sufficiently compacted (interlocked). If there is no replacement of ballast before working through, this area should definitely be raised so that there is a longer durability of the track position.
- the area N of the track defect however, there are good normal bedding hardnesses.
- a durable tamping can be expected here. With the help of the bedding hardness determined during tamping, the expected durability of the individual troubleshooting can be specified.
- the infrastructure manager should be in the marked area of the thresholds W exchange the ballast for new, usable ones.
- the bedding hardness or the achievable compressive force can be measured by test tamping (at least one in the areas of the largest lifting operations in the example at threshold 17 and threshold 32).
- the test threshold is tamped without lifting and the bedding hardness and the compacting force as well as the adjustment path (moving distance of the tamping ax 8.15) are determined. Based on the known conditions, the track can be raised. If there is a machine with which ballast can be exchanged beforehand on site, this is carried out before the tamping. After replacing the ballast, a new measurement run must be carried out to plan the individual troubleshooting.
- the track position can be artificially stabilized (settlement) using a dynamic track stabilizer.
- a dynamic track stabilizer By stabilizing with the dynamic track stabilizer, some of the overrated values are reduced and smoothed by the track stabilizer. These settlements would take place without the use of the track stabilizer by the loading trains (the track stabilizer effect corresponds to approx. 150,000 Lto equivalent train traffic).
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50701/2018A AT521263B1 (de) | 2018-08-20 | 2018-08-20 | Verfahren zur Einzelfehlerbehebung |
PCT/AT2019/060256 WO2020037343A1 (de) | 2018-08-20 | 2019-08-12 | Verfahren zur automatischen lagekorrektur eines gleises |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3841250A1 true EP3841250A1 (de) | 2021-06-30 |
EP3841250B1 EP3841250B1 (de) | 2022-07-13 |
Family
ID=67688686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19756091.5A Active EP3841250B1 (de) | 2018-08-20 | 2019-08-12 | Verfahren zur automatischen lagekorrektur eines gleises |
Country Status (9)
Country | Link |
---|---|
US (1) | US11982056B2 (de) |
EP (1) | EP3841250B1 (de) |
JP (1) | JP7348178B2 (de) |
CN (1) | CN111511990B (de) |
AT (1) | AT521263B1 (de) |
AU (1) | AU2019326255B2 (de) |
PL (1) | PL3841250T3 (de) |
RU (1) | RU2757104C1 (de) |
WO (1) | WO2020037343A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT519263B1 (de) * | 2016-12-19 | 2018-05-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Gleismessfahrzeug und Verfahren zum Erfassen einer Gleisgeometrie eines Gleises |
AT523900A1 (de) * | 2020-06-08 | 2021-12-15 | Hp3 Real Gmbh | Verfahren zur automatischen autonomen Steuerung einer Stopfmaschine |
AT524435B1 (de) * | 2020-11-25 | 2022-06-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Verfahren und System zur Ermittlung von Korrekturwerten für eine Lagekorrektur eines Gleises |
CN113847899A (zh) * | 2021-08-04 | 2021-12-28 | 丽水学院 | 一种滚动直线导轨的二维直线度检测及矫直装置 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT323787B (de) * | 1972-03-14 | 1975-07-25 | Plasser Bahnbaumasch Franz | Anordnung zur korrektur von lagefehleen in gleisen |
JPS6027121Y2 (ja) * | 1980-09-26 | 1985-08-16 | 芝浦メカトロニクス株式会社 | タンピング位置設定装置 |
AT382410B (de) * | 1983-11-16 | 1987-02-25 | Plasser Bahnbaumasch Franz | Einrichtung zur hoehenlage- und querneigungskorrektur eines gleises |
AT383838B (de) * | 1984-06-01 | 1987-08-25 | Plasser Bahnbaumasch Franz | Kontinuierlich verfahrbare gleisstopf-nivellier- und richtmaschine |
JPS6490302A (en) * | 1987-05-29 | 1989-04-06 | Shibaura Eng Works Ltd | Rail raising quantity display apparatus of track correcting machine |
US5012413A (en) * | 1988-07-27 | 1991-04-30 | Pandrol Jackson, Inc. | Railroad track curve lining apparatus and method |
JPH0617562B2 (ja) * | 1988-10-03 | 1994-03-09 | 西日本旅客鉄道株式会社 | マルタイの自動制御装置 |
EP0518845B1 (de) * | 1991-06-12 | 1995-04-12 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Verfahren und Stopfmaschine zum Verdichten des Schotters eines Gleises |
EP0930398A1 (de) * | 1998-01-19 | 1999-07-21 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Verfahren zur Lagekorrektur eines Gleises |
JP3509597B2 (ja) * | 1999-01-12 | 2004-03-22 | 財団法人鉄道総合技術研究所 | レール位置整正装置、及びレール位置整正方法 |
ATA18499A (de) * | 1999-02-10 | 2000-04-15 | Plasser Bahnbaumasch Franz | Verfahren zur lagekorrektur eines gleises |
DE502005003071D1 (de) * | 2004-09-22 | 2008-04-17 | Plasser Bahnbaumasch Franz | Verfahren zum Abtasten einer Gleislage |
JP4547006B2 (ja) * | 2004-11-22 | 2010-09-22 | フランツ プラツセル バーンバウマシーネン−インズストリーゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 軌道の高低狂いの整正のための方法 |
RU2372440C1 (ru) * | 2008-01-28 | 2009-11-10 | Николай Михайлович Балезин | Способ подбивки шпал железнодорожного пути |
JP2013119759A (ja) * | 2011-12-09 | 2013-06-17 | Railway Technical Research Institute | 軌道作業車の防音装置及び軌道防音車 |
RU2534163C1 (ru) * | 2013-08-27 | 2014-11-27 | Николай Михайлович Балезин | Способ подбивки шпал железнодорожного пути |
EP2957674B1 (de) * | 2014-06-18 | 2017-10-11 | HP3 Real GmbH | Verfahren zum Betreiben einer auf einer Gleisanlage verfahrbaren Oberbaumaschine |
AT516590B1 (de) * | 2014-11-28 | 2017-01-15 | System 7 - Railsupport GmbH | Verfahren und Vorrichtung zum Verdichten der Schotterbettung eines Gleises |
JP6594841B2 (ja) * | 2016-10-18 | 2019-10-23 | 公益財団法人鉄道総合技術研究所 | 軌道支持剛性推定方法及びシステム |
AT519317B1 (de) | 2016-11-04 | 2018-12-15 | Plasser & Theurer Exp Von Bahnbaumaschinen G M B H | Verfahren und Gleisbaumaschine zur Korrektur von Gleislagefehlern |
AT519218B1 (de) | 2017-02-06 | 2018-05-15 | Hp3 Real Gmbh | Verfahren zur Optimierung einer Gleislage |
AT519738B1 (de) | 2017-07-04 | 2018-10-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Verfahren und Vorrichtung zum Verdichten eines Gleisschotterbetts |
AT521990B1 (de) | 2018-12-27 | 2022-07-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Verfahren und Gleisbaumaschine zur Bearbeitung eines Schottergleises |
-
2018
- 2018-08-20 AT ATA50701/2018A patent/AT521263B1/de active
-
2019
- 2019-08-12 WO PCT/AT2019/060256 patent/WO2020037343A1/de unknown
- 2019-08-12 CN CN201980006482.2A patent/CN111511990B/zh active Active
- 2019-08-12 EP EP19756091.5A patent/EP3841250B1/de active Active
- 2019-08-12 JP JP2020528435A patent/JP7348178B2/ja active Active
- 2019-08-12 RU RU2021107273A patent/RU2757104C1/ru active
- 2019-08-12 AU AU2019326255A patent/AU2019326255B2/en active Active
- 2019-08-12 PL PL19756091.5T patent/PL3841250T3/pl unknown
- 2019-08-12 US US17/268,519 patent/US11982056B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
AU2019326255A1 (en) | 2021-03-18 |
US20210222373A1 (en) | 2021-07-22 |
AT521263A4 (de) | 2019-12-15 |
PL3841250T3 (pl) | 2022-10-03 |
CN111511990A (zh) | 2020-08-07 |
US11982056B2 (en) | 2024-05-14 |
AT521263B1 (de) | 2019-12-15 |
RU2757104C1 (ru) | 2021-10-11 |
CN111511990B (zh) | 2022-01-04 |
AU2019326255B2 (en) | 2021-12-02 |
JP2021535294A (ja) | 2021-12-16 |
JP7348178B2 (ja) | 2023-09-20 |
WO2020037343A1 (de) | 2020-02-27 |
EP3841250B1 (de) | 2022-07-13 |
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