EP3938578A1 - Procédé pour compacter un lit de ballast d'une voie? ferrée - Google Patents

Procédé pour compacter un lit de ballast d'une voie? ferrée

Info

Publication number
EP3938578A1
EP3938578A1 EP20705332.3A EP20705332A EP3938578A1 EP 3938578 A1 EP3938578 A1 EP 3938578A1 EP 20705332 A EP20705332 A EP 20705332A EP 3938578 A1 EP3938578 A1 EP 3938578A1
Authority
EP
European Patent Office
Prior art keywords
tamping
track
ballast
layer
ballast layer
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
EP20705332.3A
Other languages
German (de)
English (en)
Other versions
EP3938578B1 (fr
EP3938578C0 (fr
Inventor
Gerard Lintz
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
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 Plasser und Theurer Export Von Bahnbaumaschinen GmbH filed Critical Plasser und Theurer Export Von Bahnbaumaschinen GmbH
Publication of EP3938578A1 publication Critical patent/EP3938578A1/fr
Application granted granted Critical
Publication of EP3938578B1 publication Critical patent/EP3938578B1/fr
Publication of EP3938578C0 publication Critical patent/EP3938578C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/12—Tamping devices

Definitions

  • the invention relates to a method for compacting a layer by layer
  • Ballast bed of a track by means of one moving on the track
  • a generic method is known with which a ballast bed of a track is compacted in layers.
  • a compaction unit is used in which horizontally aligned compaction plates are lowered between sleepers of the track. There the compaction plates press on an exposed lower ballast layer and compact it. Then an upper layer of gravel is applied and compacted by a tamping process. In this way, ballast is gradually applied, leveled and compacted under the raised track.
  • the invention is based on the object of providing a method, which is simplified compared to the prior art, for compacting a layer by layer
  • the tamping unit arranged on the track construction machine is lowered in such a way that the tamping ax arranged at the free ends
  • Penetrating tamping plates penetrate into the lower gravel layer and are kept vibrating in position there for a predetermined period of time, and that in the second compaction step, the vibrating tamping tine with the
  • the structure of the gravel grains is compacted, but not shifted.
  • the structure of the ballast grains in the upper layer is compacted and shifted during the second compaction step. In this way one results for the entire ballast layer located below the sleepers
  • the present invention is particularly useful in the area of switches because there the simultaneous introduction of the ballast layers reduces the technical effort.
  • Compaction step further ballast is introduced into the track. This additional ballast is initially deposited between and on the sleepers. During the second compression step, the from the
  • An advantageous development of the invention provides that during the second compression step the track is held in a target position by means of a lifting / straightening unit. In this way, the track position is corrected. This creates cavities under the sleepers during a lifting process. The provision of the vibrating tamping ax causes the ballast to be shifted into these cavities.
  • Ballast layer with a total layer height of at least 200 mm.
  • the lower and upper gravel layers each reach a height of approximately 100 mm. With these layer heights, the present method delivers particularly good compaction results.
  • the tamping tine plates penetrate completely into the lower ballast layer up to at least 100 mm below the lower edge of the sleeper. This ensures that the entire compaction energy acts on the ballast grains of the lower ballast layer.
  • Another improvement of the first compression step provides that the vibrating tamping tines are held in position for a period of time between 1 second and 2 seconds in the lowered state.
  • the duration of the vibrating tamping ax is then sufficient to optimally compact the gravel structure in the lower gravel layer.
  • the tampons vibrate at a higher frequency when penetrating than in the lowered position.
  • the ballast bed is compacted after the second compaction step in a further compaction process by means of a stabilization unit.
  • the stabilization process shakes the track grid consisting of sleepers and rails into the
  • Processing is driving on the track with a higher
  • the method is particularly effective when the track-laying machine is operated in association with a cleaning machine and when the lower ballast layer and the upper ballast layer are connected to one another
  • the result of the treatment with the cleaning machine is a soft ballast bed that is continuously compacted with the two compaction steps.
  • Fig. 1 track construction machine
  • the track construction machine 1 shown in FIG. 1 can be moved on rails 3 of a track 4 by means of rail bogies 2.
  • the rails 3 are attached to sleepers 6 mounted in a ballast bed 5.
  • the track construction machine 1 comprises a tamping unit 7.
  • a lifting / straightening unit 8 and a measuring system 9 are arranged for a track position correction.
  • Tamping unit 7 longer tamping pick 10 on.
  • the tampons 10 are
  • a hydraulic cylinder serves as the height adjustment drive 13.
  • the swivel arms 11, which are arranged like pliers, are coupled to a vibration generator 15 via a respective auxiliary cylinder 14. This
  • Vibration generator 15 comprises, for example, an eccentric shaft driven in rotation. To transmit a vibration, the respective Additional cylinder 14 connected on the one hand to the eccentric shaft and on the other hand to an upper end of the associated swivel arm 11.
  • a tampon plate 16 is arranged there at the end of a narrow tampon shaft. The respective tamper plate 16 is aligned normal to the direction of a vibratory movement 17. In this way, during the first compression step, all of the
  • Tamping pick plate 16 captured gravel grains set in vibration.
  • Vibration movement 17 is superimposed on a positioning movement 18.
  • the vibrating tamping pick plates 16 are moved towards one another, as a result of which the captured ballast grains are set in vibration and additionally displaced.
  • An exemplary process sequence begins with 4 ballast being introduced into a track. This happens either when the track 4 is re-laid or when the ballast is cleaned using a cleaning machine.
  • the ballast is introduced below the sleepers 6 with a
  • the lower ballast layer 20 and the upper ballast layer 21 are introduced into the track 4 at the same time before the compaction.
  • the first compression step then takes place.
  • the simultaneous introduction of both ballast layers 20, 21 is advantageous.
  • the track grid cannot be laid on the lower ballast layer 20 before the upper ballast layer 21 is introduced, as is the case with a line track, in order to make this layer 20 in
  • the tamping unit 7 is positioned above a threshold 6 (middle threshold in FIG. 2).
  • the vibrating tamping ax 10 are lowered and dive into the ballast bed 5.
  • the tamping tines ideally vibrate at a frequency of approx. 45 Hz. With this frequency, those in
  • a first countersinking depth 22 is specified in such a way that the tamping tine plates 16 pass entirely into the lower gravel layer 20.
  • the tamping tines 7 with the tool carrier 12 raised are shown as a reference above the right sill 6.
  • a control device 23 From the known heights of the sleepers 6 and the rails 3 as well as the geometry of the track construction machine 1, a corresponding specification for controlling the height adjustment drive 13 results for a control device 23.
  • the first lowering depth 22 is limited by a formation protection layer 24, which may be located under the lower one
  • the formation protection layer 24 is not damaged by the tamping ax 10.
  • the ballast grains arrange themselves under the load of the upper ballast layer 21 to form a denser structure.
  • the specified time span is approx. 1.5 seconds. A sufficient degree of compaction of the ballast structure is then achieved and the tamping picks 10 are pulled out of the ballast bed 5 by acting on the height adjustment drive 13.
  • This first compression step is for all sleepers 6 of the to
  • track 4 is ballasted if necessary. This introduction of additional ballast is particularly useful if the track grid is to be raised in the subsequent second compaction step.
  • the second compression step begins with a positioning of the
  • the tool carrier 12 is lowered until the tamping tine plates 16 reach a second lowering depth 25.
  • the distance between the upper edge of the respective tamping plate 16 and the lower edge of the respective threshold 6 is a few centimeters (e.g. 20 cm).
  • This second lowering depth 25 can also be predetermined for the control device 23 on the basis of the known threshold height, the rail height and the machine geometry.
  • ballast grains in the area below the threshold 6 The result of the ballast grains set in vibration and displaced is a compacted ballast structure. In this way, with the already compacted lower gravel layer 20, overall a stable support for the respective sleeper 6 is created.
  • Ballast layer 21 immersed and provided to one another. Such a repetition is decided by an operator or by recording the state of the ballast by means of sensors arranged on the track construction machine 1. For example, counterforces acting on the tamping ax 10 are used to determine a parameter for the ballast compaction.
  • DVS dynamic track stabilizer

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

L'invention concerne un procédé permettant de compacter par couches un lit de ballast (5) d'une voie ferrée (4) au moyen d'un engin de pose de voies (1) circulant sur la voie ferrée (4), le ballast situé sous les traverses (6) de la voie ferrée (4) étant compacté en au moins deux couches (20, 12) superposées, du fait que dans une première étape du procédé, une couche inférieure de ballast (20) est compactée, puis que, dans une seconde étape du procédé, une couche supérieure de ballast (21) située au-dessus de la couche inférieure de ballast (20) est compactée par un processus de bourrage. A cet effet, avant le compactage, la couche inférieure de ballast (20) et la couche supérieure de ballast (21) sont introduites conjointement dans la voie (4), dans une première étape de compactage, des bourroirs (10) vibrants d'un engin de bourrage (7) monté sur l'engin de pose de voies (1) étant abaissés, de sorte que des plaques de bourroir (16) agencées aux extrémités libres de bourroirs (10) pénètrent dans la couche inférieure de ballast (20) et y restent maintenues de manière vibrante pendant une période prédéfinie, et dans une seconde étape du procédé, les bourroirs (10) vibrants pénétrant conjointement avec les plaques de bourroir (16) dans la couche supérieure de ballast (21) et étant rapprochés les uns des autres. L'ensemble de la couche de ballast située en dessous des traverses (6) bénéficie ainsi en continu d'un bon compactage.
EP20705332.3A 2019-03-14 2020-02-12 Procédé pour compacter un lit de ballast d'une voie ferrée Active EP3938578B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA99/2019A AT522237B1 (de) 2019-03-14 2019-03-14 Verfahren zum Verdichten eines Schotterbettes eines Gleises
PCT/EP2020/053516 WO2020182393A1 (fr) 2019-03-14 2020-02-12 Procédé pour compacter un lit de ballast d'une voie ferrée

Publications (3)

Publication Number Publication Date
EP3938578A1 true EP3938578A1 (fr) 2022-01-19
EP3938578B1 EP3938578B1 (fr) 2023-11-22
EP3938578C0 EP3938578C0 (fr) 2023-11-22

Family

ID=69591630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20705332.3A Active EP3938578B1 (fr) 2019-03-14 2020-02-12 Procédé pour compacter un lit de ballast d'une voie ferrée

Country Status (3)

Country Link
EP (1) EP3938578B1 (fr)
AT (1) AT522237B1 (fr)
WO (1) WO2020182393A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT17648U1 (de) 2021-03-15 2022-10-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Verfahren zum Reinigen eines Schotterbettes eines Gleises

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH314243A (fr) * 1953-12-16 1956-06-15 Matisa Materiel Ind Sa Bourreuse de ballast pour au moins une traverse d'une voie de chemin de fer
DE952644C (de) * 1954-02-23 1956-11-22 Mannesmann Meer Ag Verfahren und Vorrichtung zum maschinellen Stopfen von Gleisen
CH652430A5 (de) * 1981-01-23 1985-11-15 Canron Inc Crissier Gleisstopfmaschine.
AT500972B1 (de) * 2004-10-29 2006-05-15 Plasser Bahnbaumasch Franz Verfahren zum unterstopfen von schwellen
AT505909B1 (de) * 2007-11-27 2009-05-15 Plasser Bahnbaumasch Franz Verfahren und maschine zur verdichtung von schotter eines gleises
AT518324B1 (de) 2016-02-16 2018-04-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Gleisbaumaschine und Verfahren zur Verdichtung eines Schotterbettes
AT520040B1 (de) * 2017-06-06 2021-01-15 Swietelsky Ag Schienenfahrzeug zur Gleisoberbausanierung
AT520117B1 (de) * 2017-07-11 2019-11-15 Hp3 Real Gmbh Verfahren zum Verdichten eines Schotterbettes eines Gleises

Also Published As

Publication number Publication date
EP3938578B1 (fr) 2023-11-22
WO2020182393A1 (fr) 2020-09-17
AT522237A1 (de) 2020-09-15
AT522237B1 (de) 2024-05-15
EP3938578C0 (fr) 2023-11-22

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