EP1939355B1 - Track construction machine and method for cleaning tracks - Google Patents
Track construction machine and method for cleaning tracks Download PDFInfo
- Publication number
- EP1939355B1 EP1939355B1 EP07123363A EP07123363A EP1939355B1 EP 1939355 B1 EP1939355 B1 EP 1939355B1 EP 07123363 A EP07123363 A EP 07123363A EP 07123363 A EP07123363 A EP 07123363A EP 1939355 B1 EP1939355 B1 EP 1939355B1
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- EP
- European Patent Office
- Prior art keywords
- ballast
- protection layer
- layer
- excavated
- formation
- 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.)
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Images
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
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on 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
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
- E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
Definitions
- the invention relates to a track remover according to the preamble of claim 1 and to a method for track remover according to the wording of claim 11.
- track beds constructed according to older standards must be placed in a condition which is able to cope with the increased demands; on the other hand, standard sleepers must be rehabilitated at regular intervals to eliminate soiling, damage such as under-flushing, cavitation or the like ,
- DE 17 84 659 is a method for track bed rehabilitation known in which the substructure crown is mixed with lime or binder and solidified in this way.
- DE 1 784 659 explains to this measure that they do not have a lasting effect on the desired consolidation of the substructure would.
- this DE 1 784 659 Therefore, between the bedding and substructure to apply a shielding layer, thereby inserting an impenetrable to the material of the substructure layer, which reliably prevents mixing of the substructure material is carried out with the bedding material.
- a similar procedure is also off DE 30 35 910 in which an insulating layer between the protective course layer and ballast bed is described in order to prevent mixing of these layers.
- CH 595 512 A5 envisages an intermediate layer between the antifouling layer and ballast bedding to consolidate the surface of an existing surface protection layer.
- the Gleiswegsan istsmaschine invention makes it possible to perform a track-based rehabilitation of the track substructure with high track performance.
- the old ballast of the existing gravel layer is dug and then excavated underneath existing Altplanumsschutz für. If a track is rehabilitated, which does not have such a layer protection layer, instead of such a soil under the old ballast layer soil excavated to a predetermined depth to create the possibility to set a solid foundation for the ballast layer by means of a layer protection layer and the required Outflow of rainwater to ensure the frost resistance and resilience by a layer protection layer is installed when rebuilding the track substructure.
- the excavated such gravel, PSS or earth materials are processed separately within the track construction.
- the process that can be carried out with the track remover according to the invention makes it possible to process the excavated PSS material or soil in such a way that a mixture of materials is produced which can be advantageously used for the construction of the new track substructure.
- the excavated material PSS or soil with aggregates such as clay, cement and / or lime is mixed to thereby achieve on the one hand a strength of the material required for the new surface protection layer, but on the other hand with regard to the nature of the jerky stress avoid unfavorable excessive solidification and also other criteria, such as frost resistance, are met by the mixture thus provided.
- the new PSS conveyor and the PSS delivery device may For example, by a conveyor, which promotes the new deposit protective layer material from the PSS treatment unit to a filling point, can be realized.
- the invention is based in this regard on the realization that a preparation of the excavated material can not be done in such a way that a processed material composition is achieved directly satisfying all the requirements of a new surface protection layer satisfactorily.
- This knowledge is based in particular on analyzes that have shown that the composition of the excavated materials can be very different and therefore do not allow to achieve a consistent quality of the processed material with a fixed admixture of certain components such as binders, aggregates or the like.
- the track remover according to the invention implements a method in which only one component of the excavated material is provided for the new track substructure to be built, which is to provide a certain carrying capacity and load capacity and, in particular, to ensure frost protection by an undesired storage of Liquid in the surface protection layer is avoided.
- the Gleiswegsan istsmaschine invention then makes it possible to further apply a mechanically damping intermediate layer on the thus prepared from recycled material new layer protection layer. This will make a second, decisive contribution to the resilience and lasting protection of the desired characteristics of the entire track.
- This measure is based on the knowledge of the inventor that it is not reliably possible due to the variety of excavated materials in a track reassembly to ensure the desired damping effect in each case.
- the missing damping effect has in turn been recognized by the inventor as a major cause of damage to the track.
- the inventor has recognized that a lack of mechanical damping effect can lead to a rapid disintegration of the ballast bed, which would require a renewed track reassessment.
- a missing mechanical Damping effect lead to cracks and distortions in the layer protection layer.
- mechanical damping effect in this context is to be understood the property to withstand shock loads acting by these are absorbed and passed through in a reduced, preferably significantly reduced extent, so there is an absorption or reflection of the impact forces. In many cases, such a damping effect can be achieved by a local elastic-plastic and completely or almost completely reversible deformation.
- the intermediate mechanical damping layer can increase the bearing capacity of the layers underlying the intermediate layer so that higher deformation moduli can be achieved.
- This load-increasing property of the mechanically damping intermediate layer makes it possible to reduce the protective layer thickness corresponding to the increase in load capacity of the intermediate layer or to achieve a higher load-bearing capacity for the same protective layer thickness with the intermediate layer for certain load-bearing requirements. For given load-bearing requirements, therefore, the use of the mechanically-damping intermediate layer can reduce excavation or rehabilitation depth and volume. Furthermore, less viable layers can be used in this way, without having to replace them.
- the track reassembly machine according to the invention can then apply a new ballast bedding to the mechanically damping intermediate layer applied in this way and subsequently deposit the track lifted at the beginning of the restoration process back onto the new ballast layer.
- this new gravel layer can be made by new gravel material, which is kept ready on the track construction in Bunker sectiongutwagen.
- a ballast processing unit for processing the excavated ballast an old ballast conveying device for conveying the excavated ballast from the first excavating device to the ballast processing unit, a new ballast conveying device for conveying the processed ballast from the ballast processing unit to the ballast-loading device, in order to also enable a preparation of the excavated old ballast and thus further reduce the need for the storage of waste and new material on the track construction.
- the preparation of the excavated ballast can take place in such a way that the old ballast is freed of adhesions, is cleaned, sharpened, for example, in a crushing and sieving in a star screen, and then, if necessary, mixed with new ballast to to compensate for ballast losses that occurred during the treatment process.
- the PSS processing unit one or more aggregate bunkers for storing aggregates, in particular clay, cement and / or lime, a mixing device for mixing the aggregates with the excavated earth or geotextile layer material, and aggregate conveying means for conveying clay , Cement and / or lime from the bunker (s) to the mixing device.
- aggregate bunkers for storing aggregates, in particular clay, cement and / or lime
- aggregate conveying means for conveying clay , Cement and / or lime from the bunker (s) to the mixing device.
- the preparation of the PSS can be done in particular by admixing surcharges. Basically, different processing steps in certain regions, ie soil-dependent, make sense. For example, a cleaning, washing, an addition of liquids, minerals, binders, additives or the like may be advantageous.
- the mixing of the aggregates, binders and the like can be done directly with the excavated waste or the aggregates, binders and the like can be mixed and subsequently mixed with the excavated waste.
- the track remover machine according to the invention can be further developed by PSS coarse-part conveying means for conveying at least parts of the excavated ballast to the PSS conditioning unit. It is often desirable to provide a certain coarse fraction in the new PSS that can be provided in a particularly process efficient manner through portions of the excavated ballast bed. This is particularly useful if certain components of the excavated ballast bed can not be used for the new ballast bed and therefore would have to be stored on the track construction train, but are suitable as a coarse part of the new PSS.
- the appropriate shares of the excavated ballast can be separated for example by a screening, classification, screening or the like from the excavated old ballast.
- the PSS coarse-particle conveying means are designed to convey at least parts of the excavated ballast from the ballast processing unit to the PSS processing unit, in particular a mixer of the PSS processing unit.
- the mixing of the PSS coarse fractions in the PSS processing unit can take place and consequently a particularly homogeneous new PSS can be produced.
- the ballast processing unit comprises a ballast crushing device for sharpening the old ballast and a screening device for sifting out portions of the sharpened old ballast that are below a predetermined size and the PSS coarse-grain conveying means are formed to promote these sifted out components of the sharpened ballast from the ballast processing unit to the PSS processing unit.
- the ballast processing shares can be produced from the old ballast, which are not suitable for the new ballast bedding, for example, because a ballast crushing ballast grain has been produced with too small dimensions or in the ballast bed ascended PSS material has been separated. These ingredients are often particularly well as coarse fraction in the new PSS and therefore can preferably be used for this purpose.
- the application device for applying the mechanically damping intermediate layer comprises an unwinding station for an intermediate layer wound on rolls, and a laying device for depositing the developed intermediate layer onto the new introduced cover protection layer.
- the mechanically damping intermediate layer from a stored film by unwinding it from a supply roll, from a supply folding or the like and then laying it on the new PSS introduced into the track.
- the unwinding station and the depositing device can be represented by a roll with an intermediate layer wound thereon, which rolls on the surface of the new course protective layer, unwinds the intermediate layer and thereby deposits it.
- a damping intermediate layer for example, particularly well open or closed porous plastic layers, which can be produced in particular also from recycled material, such as produced by product recycling plastic granules.
- the application device for applying the mechanically damping intermediate layer may comprise a spraying device for spraying a hardenable liquid onto the new introduced cover protection layer.
- the order of the mechanically-damping intermediate layer by means of a spraying process be combined with the application of a mechanically-damping layer of a stocked in sheet or nonwoven material, thereby on the one hand to achieve an advantageous combination of properties of the two thus applied intermediate layers and on the other hand to achieve a layered application to the desired layer thickness and thus the handling of To avoid foils or fleeces with great strength.
- the application device for applying the mechanical damping intermediate layer is designed to apply an intermediate layer of a composite material, in particular a composite of a nonwoven fabric and a grid-like structure.
- the intermediate layer can already be provided as a composite material and introduced as such, or individual components of the composite can be provided and introduced and, in the installed position, form a mechanically damping intermediate layer of composite material.
- Composites may in particular also be geosynthetics.
- first excavator, the second excavator, the PSS feeder, the applicator and the ballast feeder are attached to a bridge that extends between a front chassis and a rear chassis.
- track rehabilitation can be carried out by a method in which the track is lifted off the track substructure, the ballast bed is lifted after the track has been lifted, and then the underlying PSS is excavated, the treated PSS is brought in, damping intermediate layer is introduced and then the new ballast layer is introduced, whereupon the track is deposited again.
- the corresponding machine components for carrying out the individual process steps are therefore in the previously listed Aufoutheasternungs 1942n hail in the direction of travel or working direction behind each other at the bridge between the two chassis arranged.
- the device according to the invention preferably operates according to a method for track remediation, with the following steps: excavating the old ballast of the existing ballast layer, excavating soil or an existing old formation protection layer under the old ballast layer, processing the excavated soil or the excavated old formation protection layer -Materials to a recycled geotextile layer material, introducing the treated geotextile layer material as a new sheathing protective layer, applying a mechanically-damping intermediate layer to the introduced new geodesizing layer, and introducing a new gravel layer onto the intermediate layer.
- the process can be developed by preparing the excavated old crushed stone before introduction.
- the process can be further developed by blending aggregates with the excavated soil or surface protection layer material during the preparation of the excavated soil or the excavated old surface protective layer material.
- the process can be further developed by mixing at least parts of the excavated ballast with the excavated soil or the anti-tarnish layer material during the treatment of the excavated soil or the excavated old-soil protection layer material.
- the method can be further developed by sharpening the old ballast and cutting out of the sharpened old ballast components that are below a predetermined size and these screened components of the sharpened old ballast with the excavated soil or the excavated old ballast protective layer material be mixed.
- the method can be further developed by the mechanical damping intermediate layer is unwound as a sheet of rolls and placed on the new introduced layer protection layer.
- the process can be further developed by spraying the mechanical damping intermediate layer as a curable liquid onto the new, introduced layer protection layer.
- the method can be further developed by introducing the mechanical damping intermediate layer as a composite, in particular as a composite of a nonwoven fabric and a grid-like structure
- the method can be developed by the mechanical damping intermediate layer has a thickness between 1-10mm. preferably 3-5mm.
- the film may be permeable to water or impermeable to water depending on the nature of the soil.
- the travel and working direction of the track rehabilitation train is in all figures from right to left.
- the track-laying and refilling machine parts are arranged on a bridge 10 which is supported between a front wheel bogie 11 and a rear wheel bogie 12.
- a guide wheel frame 13 is arranged, which serves to guide the free-floating track.
- a gravel excavation chain 21 is arranged in a front area, which lifts the old ballast at a point 20 under the laid track.
- the excavated old ballast is transported by a conveyor 22 in the front train area.
- a PSS excavation chain 31 is arranged, which lifts the old surface protection layer at a point 30.
- a turf foundation trowel 40 is arranged, which forms a smooth foundation surface at the bottom of the excavated old tarmac protective layer.
- the old formation protective layer material excavated by the excavation excavation chain 31 is fed to a classifier 53 which extracts parts of the old formation protection layer to be used for the new formation protection layer. These shares to be used fall directly on the conveyor belt 55 below the classifier 53.
- the usable material portion separated from the old level protective layer is mixed on the conveyor belt 55 with the mixed additives and binders from the mixer 50 and at the planum insertion point 56 for the new level protective layer placed on the smoothed foundation surface.
- the portions of the old formation protective layer which can not be used for the new formation protection layer are transported away via conveyor belts 32, 33 into the front tension area and stored there.
- the introduced new cover protection layer is leveled and compacted by means of a leveling device 70 and a compacting device 71.
- a mechanically-dampening nonwoven layer is applied to the new course protection layer by these from a roll arranged below the track 100 whose axis of rotation is perpendicular to the direction of travel of the train and horizontal, unwound and to the surface of the new course protective layer is stored.
- the roller 100 is articulated by means of a linkage mechanism 101 to the fastening mechanism for the leveling and compacting device 70, 71.
- a deflecting roller arranged at the location of the roller 100 could be provided, which deflects the laterally supplied nonwoven layer, aligns it with its longitudinal direction in the direction of travel of the train and deposits it on the surface.
- a deflecting roller arranged at the location of the roller 100 could be provided, which deflects the laterally supplied nonwoven layer, aligns it with its longitudinal direction in the direction of travel of the train and deposits it on the surface.
- a deflecting roller arranged at the location of the roller 100 could be provided, which deflects the laterally supplied nonwoven layer, aligns it with its longitudinal direction in the direction of travel of the train and deposits it on the surface.
- a deflecting roller arranged at the location of the roller 100 could be provided, which deflects the laterally supplied nonwoven layer, aligns it with its longitudinal direction in the direction of travel of the train and deposits it on the surface.
- the deflection roller which is fed from the side of a nonwoven web.
- the excavated from the Schotteraushubkette 21 old ballast via conveyor belts 22, 23 and 24 is fed to a magnetic separator 25, which separates out metallic parts from the old ballast.
- the old ballast is fed via a conveyor belt 26 to a ballast sharpener 80, which sharpens the ballast by breaking it.
- the sharpened ballast is fed via conveyor belts 27, 28 to a star screen 90, which classifies the ballast and the gravel fractions usable for the new ballast are fed from the star screen 90 via conveyor belts 91-96 of the ballast station 110.
- a portion of the gravel supplied in this way can be supplied to the mixer 50 by dividing the ballast flow and deflecting a gravel fraction onto the conveyor belt 52 and in this way adding it as a coarse fraction of the new course protective layer.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
Description
Die Erfindung betrifft eine Gleiswegsanierungsmaschine gemäß dem Oberbegriff des Anspruchs 1 und ein Verfahren zur Gleiswegsanierung nach dem Wortlaut des Anspruchs 11.The invention relates to a track remover according to the preamble of
Die Instandhaltung von Gleiswegen und Gewährleistung der Betriebssicherheit von Gleiswegen ist aufgrund der zunehmend höheren Fahrgeschwindigkeiten und Nutzungsfrequenzen in Gleisnetzsystemen eine besondere Herausforderung für Betreiber solcher Gleisnetzsysteme. Der Gleiwegsanierung kommt hierbei eine zentrale Bedeutung zu. Einerseits müssen Gleisbetten, die nach älteren Standards aufgebaut sind, in einen Zustand versetzt werden, der den erhöhten Beanspruchungen gewachsen ist, andererseits müssen dem heutigen Standard entsprechende Gleisbetten in regelmäßigen Abständen saniert werden, um Verschmutzungen, Beschädigungen wie Unterspülungen, Hohlraumbildungen, oder dergleichen zu beseitigen.The maintenance of track tracks and ensuring the operational safety of rail tracks is a particular challenge for operators of such track system due to the increasingly higher speeds and frequencies of use in rail network systems. The track restoration is of central importance here. On the one hand, track beds constructed according to older standards must be placed in a condition which is able to cope with the increased demands; on the other hand, standard sleepers must be rehabilitated at regular intervals to eliminate soiling, damage such as under-flushing, cavitation or the like ,
Es ist grundsätzlich bekannt, bei der Gleisbettaufbereitung den Altschotter unter dem Gleis mittels einer Aushubkette auszuheben, die an einem auf dem Gleis fahrenden Sanierungszug angeordnet ist, diesen Altschotter abzutransportieren und auf dem Gleisbauzug zwischenzulagern, neuen Schotter aus einem Bunkerwagen des Gleisbauzugs zu einer Schottereinbringvorrichtung am Gleisbauzug zu transportieren zu verfüllen und unter das Gleis zu stopfen. Mit diesem Verfahren und einem dafür ausgebildeten Gleisbauzug wird zwar eine zufriedenstellende Aufbereitung des Schotterbettes selbst erreicht, eine den heutigen Anforderungen an Gleisbetten gewachsenes Gleisbett kann jedoch mit diesem Verfahren nicht hergestellt werden.It is generally known to excavate the old ballast under the track by means of a Aushubkette in the track bed preparation, which is arranged on a moving on the track rehabilitation train to transport this old ballast and to temporarily store it on the track construction train, to load new ballast from a bunker wagon of the track construction train to a bulkhead loading device on the track construction train, to fill it up and to stuff it under the track. Although a satisfactory preparation of the ballast bed itself is achieved with this method and a track construction train designed for it, a track bed which has grown to meet today's demands on track beds can not be produced with this method.
Es ist weiterhin aus
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Der Erfindung liegt die Aufgabe zugrunde, eine Gleiswegsanierungsmaschine und ein Verfahren zur Gleiswegsanierung bereitzustellen, welche(s) ohne die Notwendigkeit der Zwischenlagerung größerer Mengen von Gleisbettungsmaterial auf einem Gleisbauzug in der Lage ist, einen Gleisweg in solcher Weise zu sanieren, dass ein den heutigen Anforderungen genügendes und über einen langen Zeitraum benutzbarer Gleisweg hergestellt werden kann.It is an object of the present invention to provide a track remediation machine and track rehabilitation method which, without the need for interim storage of larger quantities of track bedding material on a track construction train, is capable of remediating a track path in such a manner as meets current requirements sufficient and can be made over a long period usable track.
Diese Aufgabe wird erfindungsgemäß durch eine Gleiswegsanierungsmaschine mit den Merkmalen des Anspruchs 1 sowie mit den Schritten des Verfahren nach Anspruch 11.This object is achieved by a Gleiswegsanierungsmaschine with the features of
Die erfindungsgemäße Gleiswegsanierungsmaschine ermöglicht es, eine gleisgebundene Sanierung des Gleisunterbaus mit hoher Streckenleistung durchzuführen. Dabei wird zunächst der Altschotter der bestehenden Schotterschicht ausgehoben und hierauf folgend eine darunter bestehende Altplanumsschutzschicht ausgehoben. Sofern ein Gleisweg saniert wird, der über keine solche Planumsschutzschicht verfügt, wird anstelle einer solchen das unter der Altschotterschicht liegende Erdreich bis zu einer vorbestimmten Tiefe ausgehoben, um die Möglichkeit zu schaffen, mittels einer Planumsschutzschicht ein solides Fundament für die Schotterschicht zu setzen und den erforderlichen Abfluss von Regenwasser, die Frostsicherheit und Belastbarkeit sicher zu stellen, indem beim Neuaufbau des Gleisunterbaus eine Planumsschutzschicht eingebaut wird.The Gleiswegsanierungsmaschine invention makes it possible to perform a track-based rehabilitation of the track substructure with high track performance. First, the old ballast of the existing gravel layer is dug and then excavated underneath existing Altplanumsschutzschicht. If a track is rehabilitated, which does not have such a layer protection layer, instead of such a soil under the old ballast layer soil excavated to a predetermined depth to create the possibility to set a solid foundation for the ballast layer by means of a layer protection layer and the required Outflow of rainwater to ensure the frost resistance and resilience by a layer protection layer is installed when rebuilding the track substructure.
Die solcherart ausgehobenen Schotter-, PSS- bzw. Erdmaterialien werden innerhalb des Gleisbauzugs separat verarbeitet. Dabei ermöglicht das mit der erfindungsgemäßen Gleiswegsanierungsmaschine durchführbare Verfahren, dass eine Aufbereitung des ausgehobenen PSS-Materials oder Erdreichs in solcher Weise erfolgt, dass ein Materialgemisch erstellt wird, welches vorteilhaft für den Aufbau des neuen Gleisunterbaus verwendet werden kann. Hierzu wird das ausgehobene PSS-Material bzw. Erdreich mit Zuschlägen wie Ton, Zement und/oder Kalk vermischt um hierdurch einerseits eine Festigkeit des Materials zu erzielen, welche für die neue Planumsschutzschicht erforderlich ist, andererseits aber eine im Hinblick auf die Art der stoßartigen Beanspruchung ungünstige übermäßige Verfestigung vermeidet und zudem auch andere Kriterien, wie beispielsweise Frostsicherheit, von der so bereitgestellten Mischung erfüllt werden. Die Neu-PSS-Fördervorrichtung und die PSS-Einbringungsvorrichtung können beispielsweise durch eine Fördervorrichtung, welche das neue Planumsschutzschichtmaterial von der PSS-Aufbereitungseinheit zu einer Verfüllstelle fördert, realisiert werden.The excavated such gravel, PSS or earth materials are processed separately within the track construction. In this case, the process that can be carried out with the track remover according to the invention makes it possible to process the excavated PSS material or soil in such a way that a mixture of materials is produced which can be advantageously used for the construction of the new track substructure. For this purpose, the excavated material PSS or soil with aggregates such as clay, cement and / or lime is mixed to thereby achieve on the one hand a strength of the material required for the new surface protection layer, but on the other hand with regard to the nature of the jerky stress avoid unfavorable excessive solidification and also other criteria, such as frost resistance, are met by the mixture thus provided. The new PSS conveyor and the PSS delivery device may For example, by a conveyor, which promotes the new deposit protective layer material from the PSS treatment unit to a filling point, can be realized.
Die Erfindung beruht diesbezüglich auf der Erkenntnis, dass eine Aufbereitung des ausgehobenen Materials nicht in solcher Art erfolgen kann, dass eine aufbereitete Materialzusammensetzung unmittelbar erzielt wird, die sämtliche Anforderungen an eine neue Planumsschutzschicht zufriedenstellend erfüllt. Diese Erkenntnis beruht insbesondere auf Analysen, die gezeigt haben, dass die Zusammensetzung der ausgehobenen Materialien sehr verschieden sein können und es daher nicht zulassen, mit einer festgelegten Zumischung bestimmter Komponenten wie Bindemitteln, Zuschlägen oder dergleichen eine gleichbleibende Qualität des aufbereiteten Materials zu erzielen. Aufbauend auf dieser Erkenntnis setzt die erfindungsgemäße Gleiswegsanierungsmaschine ein Verfahren um, bei dem aus dem ausgehobenen Material lediglich ein Bestandteil zum neu zu bauenden Gleiswegunterbau bereitgestellt wird, der darin besteht, eine gewisse Tragfähigkeit und Belastbarkeit bereitzustellen und insbesondere eine Frostsicherheit sicherzustellen, indem eine unerwünschte Speicherung von Flüssigkeit in der Planumsschutzschicht vermieden wird.The invention is based in this regard on the realization that a preparation of the excavated material can not be done in such a way that a processed material composition is achieved directly satisfying all the requirements of a new surface protection layer satisfactorily. This knowledge is based in particular on analyzes that have shown that the composition of the excavated materials can be very different and therefore do not allow to achieve a consistent quality of the processed material with a fixed admixture of certain components such as binders, aggregates or the like. On the basis of this knowledge, the track remover according to the invention implements a method in which only one component of the excavated material is provided for the new track substructure to be built, which is to provide a certain carrying capacity and load capacity and, in particular, to ensure frost protection by an undesired storage of Liquid in the surface protection layer is avoided.
Die erfindungsgemäße Gleiswegsanierungsmaschine ermöglicht es dann weiterhin, eine mechanisch-dämpfende Zwischenschicht auf die solcherart aus aufbereitetem Material hergestellte neue Planumsschutzschicht aufzubringen. Hierdurch wird ein zweiter, entscheidender Beitrag zur Belastbarkeit und dauerhaften Sicherung der gewünschten Eigenschaften des gesamten Gleiswegs geleistet. Diese Maßnahme beruht auf der Erkenntnis des Erfinders, dass es aufgrund der Vielfalt der ausgehobenen Materialien bei einer Gleiswegsanierung nicht zuverlässig möglich ist, die gewünschte Dämpfungswirkung in jedem Fall sicherzustellen. Fehlende Dämpfungswirkung wiederum ist aber vom Erfinder als eine Hauptursache von Schäden am Gleisweg erkannt worden. So hat der Erfinder erkannt, dass eine fehlende mechanische Dämpfungswirkung zu einer raschen Zerrüttung der Schotterbettung führen kann, was eine erneute Gleiswegsanierung erforderlich machen würde. Des Weiteren kann eine fehlende mechanische Dämpfungswirkung zu Rissen und Verwerfungen in der Planumsschutzschicht führen. Unter mechanischer Dämpfungswirkung ist in diesem Zusammenhang die Eigenschaft zu verstehen, stoßartig einwirkenden Beanspruchungen zu widerstehen, indem diese aufgenommen werden und in vermindertem, vorzugsweise erheblich reduziertem Umfang durchgeleitet werden, also eine Absorption oder Reflektion der Stoßkräfte stattfindet. In häufigen Fällen kann eine solche Dämpfungswirkung durch eine lokale elastisch-plastische und vollständig oder nahezu vollständig reversible Verformung erzielt werden.The Gleiswegsanierungsmaschine invention then makes it possible to further apply a mechanically damping intermediate layer on the thus prepared from recycled material new layer protection layer. This will make a second, decisive contribution to the resilience and lasting protection of the desired characteristics of the entire track. This measure is based on the knowledge of the inventor that it is not reliably possible due to the variety of excavated materials in a track reassembly to ensure the desired damping effect in each case. However, the missing damping effect has in turn been recognized by the inventor as a major cause of damage to the track. Thus, the inventor has recognized that a lack of mechanical damping effect can lead to a rapid disintegration of the ballast bed, which would require a renewed track reassessment. Furthermore, a missing mechanical Damping effect lead to cracks and distortions in the layer protection layer. Under mechanical damping effect in this context is to be understood the property to withstand shock loads acting by these are absorbed and passed through in a reduced, preferably significantly reduced extent, so there is an absorption or reflection of the impact forces. In many cases, such a damping effect can be achieved by a local elastic-plastic and completely or almost completely reversible deformation.
Ein weiterer Vorteil der mechanisch-dämpfenden Zwischenschicht ist, dass sie die Tragfähigkeit der unter der Zwischenschicht befindlichen Schichten erhöhen kann, so dass höhere Verformungsmoduln erzielt werden können. Durch diese tragfähigkeitserhöhende Eigenschaft der mechanisch-dämpfenden Zwischenschicht ist es möglich, für bestimmte Tragfähigkeitsanforderungen die Schutzschichtdicke entsprechend der Tragfähigkeitssteigerung der Zwischenschicht zu reduzieren oder bei gleicher Schutzschichtdicke mit der Zwischenschicht eine höhere Tragfähigkeit zu erzielen. Für gegebene Tragfähigkeitsanforderungen kann daher der Einsatz der mechanisch-dämpfenden Zwischenschicht Aushub- bzw. Sanierungstiefe und -volumen reduzieren. Weiterhin können auf diese Weise auch weniger tragfähige Schichten genutzt werden, ohne sie austauschen zu müssen.Another advantage of the intermediate mechanical damping layer is that it can increase the bearing capacity of the layers underlying the intermediate layer so that higher deformation moduli can be achieved. This load-increasing property of the mechanically damping intermediate layer makes it possible to reduce the protective layer thickness corresponding to the increase in load capacity of the intermediate layer or to achieve a higher load-bearing capacity for the same protective layer thickness with the intermediate layer for certain load-bearing requirements. For given load-bearing requirements, therefore, the use of the mechanically-damping intermediate layer can reduce excavation or rehabilitation depth and volume. Furthermore, less viable layers can be used in this way, without having to replace them.
Die erfindungsgemäße Gleiswegsanierungsmaschine kann dann auf die solcherart aufgebrachte mechanisch-dämpfende Zwischenschicht eine neue Schotterbettung auftragen und hierauf folgend das zu Beginn des Sanierungsvorgangs angehobene Gleis wieder auf die neue Schotterschicht ablegen.The track reassembly machine according to the invention can then apply a new ballast bedding to the mechanically damping intermediate layer applied in this way and subsequently deposit the track lifted at the beginning of the restoration process back onto the new ballast layer.
Grundsätzlich kann diese neue Schotterschicht durch neues Schottermaterial, welches auf dem Gleisbauzug in Bunkerschüttgutwagen bereitgehalten wird, hergestellt werden. Es ist jedoch insbesondere bevorzugt, eine Schotter-Aufbereitungseinheit zum Aufbereiten des ausgehobenen Schotters, eine Altschotter-Fördervorrichtung zum Fördern des ausgehobenen Schotters von der ersten Aushubvorrichtung zu der Schotter-Aufbereitungseinheit, eine Neuschotter-Fördervorrichtung zum Fördern des aufbereiteten Schotters von der Schotter-Aufbereitungseinheit zu der Schotter-Einbringungsvorrichtung, vorzusehen, um solcherart auch eine Aufbereitung des ausgehobenen Altschotters zu ermöglichen und folglich noch weiter die Notwendigkeit der Speicherung von Altmaterial und Neumaterial auf dem Gleisbauzug zu reduzieren. Dabei kann die Aufbereitung des ausgehobenen Schotters solcherart stattfinden, dass der Altschotter von Anhaftungen befreit wird, gereinigt wird, geschärft wird, beispielsweise in dem ein Brech- und Siebvorgang in einem Sternsieb erfolgt, und dann, falls erforderlich, mit neuem Schotter vermischt wird, um durch den Aufbereitungsvorgang aufgetretene Schotterverluste auszugleichen.Basically, this new gravel layer can be made by new gravel material, which is kept ready on the track construction in Bunkerschüttgutwagen. However, it is particularly preferable to have a ballast processing unit for processing the excavated ballast, an old ballast conveying device for conveying the excavated ballast from the first excavating device to the ballast processing unit, a new ballast conveying device for conveying the processed ballast from the ballast processing unit to the ballast-loading device, in order to also enable a preparation of the excavated old ballast and thus further reduce the need for the storage of waste and new material on the track construction. The preparation of the excavated ballast can take place in such a way that the old ballast is freed of adhesions, is cleaned, sharpened, for example, in a crushing and sieving in a star screen, and then, if necessary, mixed with new ballast to to compensate for ballast losses that occurred during the treatment process.
Weiterhin ist es bevorzugt, wenn die PSS-Aufbereitungseinheit ein oder mehrere Zuschlag-Bunker zur Speicherung von Zuschlägen, insbesondere Ton, Zement und/oder Kalk eine Mischvorrichtung zum Mischen der Zuschläge mit dem ausgehobenen Erdreich oder Planumsschutzschichtmaterial, und Zuschlag-Fördermittel zum Fördern von Ton, Zement und/oder Kalk von dem oder den Bunker(n) zu der Mischvorrichtung umfasst. Wie zuvor erläutert, kann die Aufbereitung der PSS insbesondere durch Zumischen von Zuschlägen erfolgen. Grundsätzlich sind verschiedene Aufbereitungsschritte in bestimmten Regionen, also bodenabhängig, sinnvoll. So kann beispielsweise eine Reinigung, Waschung, ein Zusatz von Flüssigkeiten, Mineralien, Bindemitteln, Zuschlägen oder dergleichen vorteilhaft sein. Diesbezüglich ist vorgesehen, die zuzumischenden Bestandteile entweder bereits vorgemischt in einem Bunker auf dem Gleisbauzug bereitzuhalten oder aber die verschiedenen Zuschläge in jeweils separaten Bunkern auf dem Gleisbauzug vorzuhalten, um es zu ermöglichen, die Zudosierungsmengen der einzelnen zugemischten Stoffe individuell zu dosieren und gegebenenfalls an die Beschaffenheit des ausgehobenen und aufzubereitenden Materials anzupassen.Furthermore, it is preferred if the PSS processing unit one or more aggregate bunkers for storing aggregates, in particular clay, cement and / or lime, a mixing device for mixing the aggregates with the excavated earth or geotextile layer material, and aggregate conveying means for conveying clay , Cement and / or lime from the bunker (s) to the mixing device. As explained above, the preparation of the PSS can be done in particular by admixing surcharges. Basically, different processing steps in certain regions, ie soil-dependent, make sense. For example, a cleaning, washing, an addition of liquids, minerals, binders, additives or the like may be advantageous. In this regard, it is envisaged to either prepare the components to be admixed in a bunker on the track construction train or to store the various aggregates in separate bunkers on the track construction train, in order to be able to dose the metered quantities of the individual admixed substances individually and optionally to the condition of the excavated and reprocessed material.
Die Vermischung der Zuschläge, Bindemittel und dergleichen kann direkt mit dem ausgehobenen Altmaterial erfolgen oder die Zuschläge, Bindemittel und dergleichen können zugemischt werden und nachfolgend mit dem ausgehobenen Altmaterial vermengt werden.The mixing of the aggregates, binders and the like can be done directly with the excavated waste or the aggregates, binders and the like can be mixed and subsequently mixed with the excavated waste.
Die erfindungsgemäße Gleiswegsanierungsmaschine kann weiterhin fortgebildet werden durch PSS-Grobanteil-Fördermittel zum Fördern von zumindest Teilen des ausgehobenen Schotters zu der PSS-Aufbereitungseinheit. Es ist häufig wünschenswert, einen bestimmten Grobanteil in der neuen PSS bereitzustellen, der in besonders verfahrenseffizienter Weise durch Teile des ausgehobenen Schotterbetts bereitgestellt werden kann. Dies ist insbesondere dann sinnvoll, wenn bestimmte Bestandteile des ausgehobenen Schotterbetts nicht für das neue Schotterbett verwendet werden können und daher auf dem Gleisbauzug zwischengelagert werden müssten, sich aber als Grobanteil der neuen PSS eignen. Die hierfür geeigneten Anteile des ausgehobenen Schotters können beispielsweise durch eine Sichtung, Klassierung, Siebung oder dergleichen aus dem ausgehobenen Altschotter abgetrennt werden.The track remover machine according to the invention can be further developed by PSS coarse-part conveying means for conveying at least parts of the excavated ballast to the PSS conditioning unit. It is often desirable to provide a certain coarse fraction in the new PSS that can be provided in a particularly process efficient manner through portions of the excavated ballast bed. This is particularly useful if certain components of the excavated ballast bed can not be used for the new ballast bed and therefore would have to be stored on the track construction train, but are suitable as a coarse part of the new PSS. The appropriate shares of the excavated ballast can be separated for example by a screening, classification, screening or the like from the excavated old ballast.
Dabei ist es besonders bevorzugt, wenn die PSS-Grobanteil-Fördermittel ausgebildet sind, um zumindest Teile des ausgehobenen Schotters von der Schotter-Aufbereitungseinheit zu der PSS-Aufbereitungseinheit, insbesondere einem Mischer der PSS-Aufbereitungseinheit, zu fördern. Hierdurch kann die Zumischung der PSS-Grobanteile in der PSS-Aufbereitungseinheit erfolgen und folglich eine besonders homogene neue PSS hergestellt werden.It is particularly preferred if the PSS coarse-particle conveying means are designed to convey at least parts of the excavated ballast from the ballast processing unit to the PSS processing unit, in particular a mixer of the PSS processing unit. As a result, the mixing of the PSS coarse fractions in the PSS processing unit can take place and consequently a particularly homogeneous new PSS can be produced.
Weiterhin ist es bevorzugt, wenn eine Schotteraufbereitung innerhalb der erfindungsgemäßen Gleiswegsanierungsmaschine erfolgt, die Schotter-Aufbereitungseinheit eine Schotterbrechvorrichtung zum Schärfen des Altschotters und eine Siebvorrichtung zum Aussieben von Bestandteilen des geschärften Altschotters, die unter einer vorbestimmten Größe sind, umfassen und die PSS-Grobanteil-Fördermittel ausgebildet sind, um diese ausgesiebten Bestandteile des geschärften Schotters von der Schotter-Aufbereitungseinheit zu der PSS-Aufbereitungseinheit zu fördern. Insbesondere bei der Schotteraufbereitung können aus dem Altschotter Anteile erzeugt werden, die sich nicht für die neue Schotterbettung eignen, beispielsweise weil durch einen Schotterbrechvorgang Schotterkorn mit zu geringen Abmessungen erzeugt worden ist oder in die Schotterbettung aufgestiegenes PSS-Material abgetrennt worden ist. Diese Bestandteile eignen sich häufig besonders gut als Grobanteil in der neuen PSS und können daher bevorzugt hierfür verwendet werden.Further, when ballast processing is performed within the track rehabilitation machine of the present invention, the ballast processing unit comprises a ballast crushing device for sharpening the old ballast and a screening device for sifting out portions of the sharpened old ballast that are below a predetermined size and the PSS coarse-grain conveying means are formed to promote these sifted out components of the sharpened ballast from the ballast processing unit to the PSS processing unit. In particular, in the ballast processing shares can be produced from the old ballast, which are not suitable for the new ballast bedding, for example, because a ballast crushing ballast grain has been produced with too small dimensions or in the ballast bed ascended PSS material has been separated. These ingredients are often particularly well as coarse fraction in the new PSS and therefore can preferably be used for this purpose.
Weiterhin ist es bevorzugt, wenn die Aufbringvorrichtung zum Aufbringen der mechanisch-dämpfenden Zwischenschicht eine Abwickelstation für eine auf Rollen aufgewickelte Zwischenschicht, und eine Ablegevorrichtung zum Ablegen der abgewickelten Zwischenschicht auf die neue eingebrachte Planumsschutzschicht umfasst. Auf diese Weise wird es ermöglicht, die mechanisch-dämpfende Zwischenschicht aus eine bevorrateten Folie herzustellen, indem diese von einer Vorratsrolle, aus einer Vorratsfaltung oder dergleichen abgewickelt bzw. entfaltet wird und dann auf die in den Gleisweg eingebrachte neue PSS aufgelegt wird.Furthermore, it is preferred if the application device for applying the mechanically damping intermediate layer comprises an unwinding station for an intermediate layer wound on rolls, and a laying device for depositing the developed intermediate layer onto the new introduced cover protection layer. In this way it is possible to produce the mechanically damping intermediate layer from a stored film by unwinding it from a supply roll, from a supply folding or the like and then laying it on the new PSS introduced into the track.
Abwickelstation und Ablegevorrichtung können durch eine Rolle mit darauf aufgewickelter Zwischenschicht dargestellt werden, die auf der Oberfläche der neuen Planumsschutzschicht abrollt, die Zwischenschicht abwickelt und hierbei ablegt. Als dämpfende Zwischenschicht eignen sich beispielsweise besonders gut offen oder geschlossen poröse Kunststoffschichten, die insbesondere auch aus recyceltem Material, wie beispielsweise durch Produktrecycling hergestelltes Kunststoffgranulat, produziert werden können.The unwinding station and the depositing device can be represented by a roll with an intermediate layer wound thereon, which rolls on the surface of the new course protective layer, unwinds the intermediate layer and thereby deposits it. As a damping intermediate layer, for example, particularly well open or closed porous plastic layers, which can be produced in particular also from recycled material, such as produced by product recycling plastic granules.
Alternativ oder zusätzlich hierzu kann die Aufbringvorrichtung zum Aufbringen der mechanisch-dämpfenden Zwischenschicht eine Sprühvorrichtung zum Aufsprühen einer aushärtbaren Flüssigkeit auf die neue eingebrachte Planumsschutzschicht umfasst. Diese Fortbildung ermöglicht es, die mechanisch-dämpfende Zwischenschicht durch einen Sprühvorgang aufzutragen, wobei ein flüssiges Material versprüht wird und nachfolgend aushärtet, beispielsweise durch einen Luftaushärtungsvorgang durch Trocknung, durch eine Abkühlung oder einen chemischen Vernetzungsvorgang. Dies erleichtert die Handhabung des Aufbringvorgangs der mechanisch-dämpfenden Zwischenschicht erheblich, da die Bevorratung und automatische Handhabung eines flüssigen Ausgangsmaterials für die mechanisch-dämpfende Zwischenschicht auf dem Gleisbauzug in der Regel weniger konstruktiven Aufwand erfordert als die Bevorratung automatische Handhabung von Folien- oder Vliesmaterial. Insbesondere kann jedoch der Auftrag der mechanisch-dämpfenden Zwischenschicht mittels eines Sprühvorgangs auch mit dem Aufbringen einer mechanisch-dämpfenden Schicht aus einer in Folien- oder Vliesform bevorrateten Material kombiniert werden, um hierdurch einerseits eine vorteilhafte Eigenschaftskombination der beiden solcherart aufgetragenen Zwischenschichten zu erzielen und andererseits einen schichtweisen Auftrag auf die gewünschte Schichtstärke zu erzielen und so die Handhabung von Folien oder Vliesen mit großer Stärke zu vermeiden.As an alternative or in addition to this, the application device for applying the mechanically damping intermediate layer may comprise a spraying device for spraying a hardenable liquid onto the new introduced cover protection layer. This development makes it possible to apply the mechanical damping intermediate layer by a spraying process, wherein a liquid material is sprayed and subsequently cured, for example by an air hardening process by drying, by a cooling or a chemical cross-linking process. This considerably facilitates the handling of the application process of the mechanically damping intermediate layer, since the stocking and automatic handling of a liquid starting material for the mechanically damping intermediate layer on the track construction generally requires less design complexity than the stocking of automatic handling of film or nonwoven material. In particular, however, the order of the mechanically-damping intermediate layer by means of a spraying process be combined with the application of a mechanically-damping layer of a stocked in sheet or nonwoven material, thereby on the one hand to achieve an advantageous combination of properties of the two thus applied intermediate layers and on the other hand to achieve a layered application to the desired layer thickness and thus the handling of To avoid foils or fleeces with great strength.
Weiterhin ist es bevorzugt, dass die Aufbringvorrichtung zum Aufbringen der mechanisch-dämpfenden Zwischenschicht ausgebildet ist, eine Zwischenschicht aus einem Verbundstoff aufzubringen, insbesondere aus einem Verbundstoff aus einem Vliesstoff und einer gitterartigen Struktur. Die Zwischenschicht kann dabei bereits als Verbundstoff bereitgestellt und als solcher eingebracht werden oder es können einzelne Bestandteile des Verbundstoffes bereitgestellt und eingebracht werden und in Einbaulage eine mechanisch-dämpfende Zwischenschicht aus Verbundstoff formen. Verbundstoffe können insbesondere auch Geokunststoffe sein.Furthermore, it is preferred that the application device for applying the mechanical damping intermediate layer is designed to apply an intermediate layer of a composite material, in particular a composite of a nonwoven fabric and a grid-like structure. In this case, the intermediate layer can already be provided as a composite material and introduced as such, or individual components of the composite can be provided and introduced and, in the installed position, form a mechanically damping intermediate layer of composite material. Composites may in particular also be geosynthetics.
Eine weitere bevorzugte Ausführungsform besteht darin, dass die erste Aushubvorrichtung, die zweite Aushubvorrichtung, die PSS-Einbringungsvorrichtung, die Aufbringvorrichtung und die Schotter-Einbringungsvorrichtung an einer Brücke befestigt sind, die sich zwischen einem vorderen Fahrgestell und einem hinteren Fahrgestell erstreckt. Durch diese Anordnung wird eine besonders effiziente Gleiswegsanierung ermöglicht, da sämtliche Bearbeitungsschritte erfolgen können, ohne dass zwischendurch ein Ablegen des Gleises notwendig wird, um Maschinenteile darauf abzustützen. Die Gleiswegsanierung kann in diesem Fall mit einem Verfahren erfolgen, bei dem zu Beginn das Gleis von dem Gleisunterbau abgehoben wird, nach Abheben des Gleises das Schotterbett ausgehoben wird, hierauf folgend die darunter liegende PSS ausgehoben wird, die aufbereitete PSS eingebracht wird, die mechanisch-dämpfende Zwischenschicht eingebracht wird und hierauf die neue Schotterschicht eingebracht wird, woraufhin das Gleis wieder abgelegt wird. Die entsprechenden Maschinenbestandteile zur Durchführung der einzelnen Verfahrensschritte sind folglich in der zuvor aufgeführten Aufzählungsreihenfolge in Fahrt- bzw. Arbeitsrichtung hintereinander an der Brücke zwischen den zwei Fahrgestellen angeordnet.Another preferred embodiment is that the first excavator, the second excavator, the PSS feeder, the applicator and the ballast feeder are attached to a bridge that extends between a front chassis and a rear chassis. By this arrangement, a particularly efficient track remediation is possible, since all processing steps can be done without in between a laying of the track is necessary to support machine parts on it. In this case, track rehabilitation can be carried out by a method in which the track is lifted off the track substructure, the ballast bed is lifted after the track has been lifted, and then the underlying PSS is excavated, the treated PSS is brought in, damping intermediate layer is introduced and then the new ballast layer is introduced, whereupon the track is deposited again. The corresponding machine components for carrying out the individual process steps are therefore in the previously listed Aufzählungsreihenfolge in the direction of travel or working direction behind each other at the bridge between the two chassis arranged.
Die erfindungsgemäße Vorrichtung arbeitet vorzugsweise nach einem Verfahren zur Gleiswegsanierung, mit den Schritten: Ausheben des Alt-Schotters der bestehenden Schotterschicht, Ausheben von Erdreich oder einer bestehenden Alt-Planumsschutzschicht unter der Alt-Schotterschicht, Aufbereiten des ausgehobenen Erdreichs bzw. des ausgehobenen Alt-Planumsschutzschicht-Materials zu einem aufbereiteten Planumsschutzschichtmaterial, Einbringen des aufbereiteten Planumsschutzschichtmaterials als neue Planumsschutzschicht, Aufbringen einer mechanisch-dämpfenden Zwischenschicht auf die eingebrachte neue Planumsschutzschicht, und Einbringen einer neuen Schotterschicht auf die Zwischenschicht.The device according to the invention preferably operates according to a method for track remediation, with the following steps: excavating the old ballast of the existing ballast layer, excavating soil or an existing old formation protection layer under the old ballast layer, processing the excavated soil or the excavated old formation protection layer -Materials to a recycled geotextile layer material, introducing the treated geotextile layer material as a new sheathing protective layer, applying a mechanically-damping intermediate layer to the introduced new geodesizing layer, and introducing a new gravel layer onto the intermediate layer.
Das Verfahren kann fortgebildet werden indem der ausgehobene Alt-Schotter vor dem Einbringen aufbereitet wird.The process can be developed by preparing the excavated old crushed stone before introduction.
Das Verfahren kann weiter fortgebildet werden indem beim Aufbereiten des ausgehobenen Erdreichs bzw. des ausgehobenen Alt-Planumsschutzschicht-Materials Zuschläge mit dem ausgehobenen Erdreich oder Planumsschutzschichtmaterial vermischt werden.The process can be further developed by blending aggregates with the excavated soil or surface protection layer material during the preparation of the excavated soil or the excavated old surface protective layer material.
Das Verfahren kann weiter fortgebildet werden indem beim Aufbereiten des ausgehobenen Erdreichs bzw. des ausgehobenen Alt-Planumsschutzschicht-Materials zumindest Teile des ausgehobenen Schotters mit dem ausgehobenen Erdreich oder Planumsschutzschichtmaterial vermischt werden.The process can be further developed by mixing at least parts of the excavated ballast with the excavated soil or the anti-tarnish layer material during the treatment of the excavated soil or the excavated old-soil protection layer material.
Das Verfahren kann weiter fortgebildet werden indem beim Aufbereiten des Altschotters dieser geschärft wird und aus dem geschärften Altschotter Bestandteile, die unter einer vorbestimmten Größe sind, ausgesiebt werden und diese ausgesiebten Bestandteile des geschärften Altschotters mit dem ausgehobenen Erdreich bzw. dem ausgehobenen Alt-Planumsschutzschicht-Material zugemischt werden.The method can be further developed by sharpening the old ballast and cutting out of the sharpened old ballast components that are below a predetermined size and these screened components of the sharpened old ballast with the excavated soil or the excavated old ballast protective layer material be mixed.
Das Verfahren kann weiter fortgebildet werden indem die mechanisch-dämpfende Zwischenschicht als Flächenmaterial von Rollen abgewickelt wird und auf die neue eingebrachte Planumsschutzschicht abgelegt wird.The method can be further developed by the mechanical damping intermediate layer is unwound as a sheet of rolls and placed on the new introduced layer protection layer.
Das Verfahren kann weiter fortgebildet werden indem die mechanisch-dämpfende Zwischenschicht als aushärtbare Flüssigkeit auf die neue, eingebrachte Planumsschutzschicht aufgesprüht wird.The process can be further developed by spraying the mechanical damping intermediate layer as a curable liquid onto the new, introduced layer protection layer.
Das Verfahren kann weiter fortgebildet werden indem die mechanisch-dämpfenden Zwischenschicht als Verbundstoff, insbesondere als Verbundstoff aus einem Vliesstoff und einer gitterartigen Struktur, eingebracht wirdThe method can be further developed by introducing the mechanical damping intermediate layer as a composite, in particular as a composite of a nonwoven fabric and a grid-like structure
Schließlich kann das Verfahren fortgebildet werden indem die mechanisch-dämpfende Zwischenschicht eine Dicke zwischen 1-10mm. vorzugsweise 3-5mm aufweist.Finally, the method can be developed by the mechanical damping intermediate layer has a thickness between 1-10mm. preferably 3-5mm.
Die Folie kann je nach Beschaffenheit des Bodens wasserdurchlässig oder wasserundurchlässig sein.The film may be permeable to water or impermeable to water depending on the nature of the soil.
Eine bevorzugte Ausführungsform der Erfindung wird anhand der Figuren erläutert. Es zeigen:
- Fig. 1:
- eine Seitenansicht eines vorderen Abschnitts der erfindungsgemäßen Gleiswegsanierungsmaschine,
- Fig. 2:
- eine Seitenansicht eines sich an den vorderen Abschnitt gemäß
Fig. 1 anschließenden mittleren Abschnitts der erfindungsgemäßen Gleiswegsanierungsmaschine, - Fig. 3:
- eine Draufsicht auf den mittleren Abschnitt gemäß
Fig. 2 , und - Fig. 4:
- eine Seitenansicht eines sich an den mittleren Abschnitt gemäß
Fig. 2 und 3 anschließenden hinteren Abschnitt der erfindungsgemäßen Gleiswegsanierungsmaschine.
- Fig. 1:
- a side view of a front portion of the Gleiswegsanierungsmaschine invention,
- Fig. 2:
- a side view of a at the front portion according to
Fig. 1 subsequent middle section of the track remover according to the invention, - 3:
- a plan view of the central portion according to
Fig. 2 , and - 4:
- a side view of a to the middle section according to
FIGS. 2 and 3 adjoining rear section of the track remover according to the invention.
Die Fahrt- und Arbeitsrichtung des Gleissanierungszuges ist in allen Figuren von rechts nach links.The travel and working direction of the track rehabilitation train is in all figures from right to left.
Bezug nehmend zunächst auf die
An der Brücke 10 ist in einem vorderen Bereich eine Schotteraushubkette 21 angeordnet, die den Altschotter an einer Stelle 20 unter dem verlegten Gleis aushebt. Der ausgehobene Altschotter wird über eine Fördereinrichtung 22 in den vorderen Zugbereich abtransportiert.At the
In Fahrtrichtung hinter der Schotteraushubkette 21 ist eine PSS-Aushubkette 31 angeordnet, welche die alte Planumsschutzschicht an einer Stelle 30 aushebt.In the direction of travel behind the
An der Führungsmechanik der PSS-Aushubkette 31 ist ein Planums-Fundamentglätter 40 angeordnet, welcher auf dem Grund der ausgehobenen alten Planumsschutzschicht eine glatte Fundamentoberfläche ausbildet.On the guide mechanism of the
Über weitere Förderbänder 51, 52 gemäß
Das von der Planumsaushubkette 31 ausgehobene alte Planumsschutzschichtmaterial wird einem Klassierer 53 zugeführt, welcher für die neue Planumsschutzschicht zu verwendende Anteile der alten Planumsschutzschicht aussondiert. Diese zu verwendenden Anteile fallen unmittelbar auf das Förderband 55 unterhalb des Klassierers 53. Der aus der alten Planumsschutzschicht abgetrennte, verwendbare Materialanteil wird auf dem Förderband 55 mit den vermischten Zuschlagsstoffe und Bindemitteln aus dem Mischer 50 vermengt und an der Planumseinbringstelle 56 für die neue Planumsschutzschicht auf die geglättete Fundamentsoberfläche eingebracht.The old formation protective layer material excavated by the
Die nicht für die neue Planumsschutzschicht verwendbaren Anteile der alten Planumsschutzschicht werden über Förderbänder 32, 33 in den vorderen Zugbereich abtransportiert und dort gelagert.The portions of the old formation protective layer which can not be used for the new formation protection layer are transported away via
Hinter der Planumseinbringstelle 56 wird die eingebrachte neue Planumsschutzschicht mittels einer Planiervorrichtung 70 und einer Verdichtungsvorrichtung 71 planiert und verdichtet.Behind the
Im Bereich hinter der Planierung und Verdichtung der neuen Planumsschutzschicht wird eine mechanisch-dämpfende Vlieslage auf die neue Planumsschutzschicht aufgebracht, indem diese von einer unterhalb des Gleises angeordneten Rolle 100, deren Drehachse senkrecht zur Fahrtrichtung des Zuges und horizontal liegt, abgewickelt und auf die Oberfläche der neuen Planumsschutzschicht abgelegt wird. Die Rolle 100 ist mittels einer Anlenkungsmechanik 101 an der Befestigungsmechanik für die Planier- und die Verdichtungsvorrichtung 70, 71 angelenkt.In the area behind the planing and compaction of the new protective course layer a mechanically-dampening nonwoven layer is applied to the new course protection layer by these from a roll arranged below the track 100 whose axis of rotation is perpendicular to the direction of travel of the train and horizontal, unwound and to the surface of the new course protective layer is stored. The roller 100 is articulated by means of a linkage mechanism 101 to the fastening mechanism for the leveling and compacting
Alternativ zu der Abwicklung von der Rolle 100 kann auch eine Zufuhr der mechanisch-dämpfenden Vlieslage von einem seitlich vom Gleis liegenden Ort erfolgen. Bei dieser Ausführungsvariante könnte eine an der Stelle der Rolle 100 angeordnete Umlenkrolle vorgesehen werden, welche die von seitlich zugeführte Vlieslage umlenkt, mit ihrer Längsrichtung in Fahrtrichtung des Zuges ausrichtet und auf der Oberfläche ablegt. So kann beispielsweise eine mit ihrer Drehachse schräg zur Fahrtrichtung und horizontal angeordnete Umlenkrolle vorgesehen sein, welcher von seitlich eine Vlieslagenbahn zugeführt wird.As an alternative to the unwinding of the roll 100, it is also possible to supply the mechanically damping nonwoven layer from a location laterally from the track. In this embodiment, a deflecting roller arranged at the location of the roller 100 could be provided, which deflects the laterally supplied nonwoven layer, aligns it with its longitudinal direction in the direction of travel of the train and deposits it on the surface. Thus, for example, be provided with its axis of rotation obliquely to the direction of travel and horizontally arranged deflection roller, which is fed from the side of a nonwoven web.
Wie insbesondere aus
Von diesem Schotterschärfer 80 wird der geschärfte Schotter über Förderbänder 27, 28 einem Sternsieb 90 zugeführt, welches den Schotter klassiert und die für die Neuschotterung verwendbaren Schotteranteile werden aus dem Sternsieb 90 über Förderbänder 91-96 der Einschotterungsstation 110 zugeführt.From this
Ein Teil des solcherart zugeführten Schotters kann durch Aufteilung des Schotterstroms und Umlenkung eines Schotteranteils auf das Förderband 52 dem Mischer 50 zugeführt werden und auf diese Weise als Grobanteil der neuen Planumsschutzschicht zugeschlagen werden.A portion of the gravel supplied in this way can be supplied to the
Claims (19)
- Track formation rehabilitation machine, comprising- a first excavator device (21) for digging the ballast out of the existing ballast layer,- a second excavator device (31) for digging up earth or an existing formation protection layer underneath the existing ballast layer,- a formation protection layer processing unit (50, 53, 55) for processing the excavated earth or the excavated formation protection layer,- a first conveyor device (31, 53) for conveying the excavated earth or the excavated formation protection layer from the excavation point to the processing unit,- a formation protection layer laying device (55, 70, 71) for laying the new formation protection layer,- a second conveyor device (55) for conveying the processed earth or the processed formation protection layer material from the processing unit to the laying device, and- a ballast laying device (96) for laying a new ballast layer on top of the intermediate layer, characterised by- an applicator device (100) for applying a mechanically damping intermediate layer on top of the laid new formation protection layer.
- Track formation rehabilitation machine as claimed in claim 1, characterised by- a ballast processing unit (80, 90) for processing the excavated ballast,- an old ballast conveyor device (22, 23, 24) for conveying the excavated ballast from the first excavator device to the ballast processing unit,- a new ballast conveyor device (91-96) for conveying the processed ballast from the ballast processing unit to the ballast laying device (96, 110).
- Track formation rehabilitation machine as claimed in claim 1 or 2,
characterised in that the formation protection layer processing unit comprises- one or more additive bunkers for storing additives, in particular clay, cement and/or lime,- a mixing device (50) for mixing the clay additives with the excavated earth or formation protection layer material, and- additive conveyor means (51, 52) for conveying clay, cement and/or lime from the bunker or bunkers to the mixing device. - Track formation rehabilitation machine as claimed in one of the preceding claims,
characterised by formation protection layer coarse material conveyor means (52) for conveying at least some of the excavated ballast to the formation protection layer processing unit (50). - Track formation rehabilitation machine as claimed in the preceding claim, characterised in that the formation protection layer coarse material conveyor means are designed to convey at least some of the excavated ballast from the ballast processing unit to the formation protection layer processing unit.
- Track formation rehabilitation machine as claimed in the preceding claim and claim 2,
characterised in that the ballast processing unit has a ballast crushing device (80) for sharpening the old ballast and a screening device (90) for screening out elements of the sharpened old ballast below a predefined size, and the formation protection layer coarse material conveyor means are designed to convey these screened-out elements of the sharpened ballast from the ballast processing unit to the formation protection layer processing unit. - Track formation rehabilitation machine as claimed in one of the preceding claims,
characterised in that the applicator device for applying the mechanically damping intermediate layer comprises- an unreeling station (100) for an intermediate layer wound onto rollers, and- a laying device (101) for laying the unreeled intermediate layer on top of the newly laid formation protection layer. - Track formation rehabilitation machine as claimed in one of the preceding claims, characterised in that the applicator device for applying the mechanically damping intermediate layer comprises- a spraying device for spraying a curable liquid onto the newly laid formation protection layer.
- Track formation rehabilitation machine as claimed in one of the preceding claims, characterised in that the applicator device for applying the mechanically damping intermediate layer is designed to apply an intermediate layer of composite material, in particular a composite material comprising a non-woven material with a lattice-type structure.
- Track formation rehabilitation machine as claimed in one of the preceding claims, characterised in that the first excavator device, second excavator device, formation protection layer laying device, applicator device and ballast laying device are secured to a bridge (10) extending between a front bogie (11) and a rear bogie (12).
- Method of rehabilitating a track formation comprising the steps of- excavating the old ballast of the existing ballast layer,- excavating earth or an existing old formation protection layer underneath the old ballast layer,- processing the excavated earth or the excavated old formation protection layer material to produce a processed formation protection layer material,- laying the processed formation protection layer material as a new formation protection layer,- applying a mechanically damping intermediate layer to the laid new formation protection layer, and- laying a new ballast layer on top of the intermediate layer.
- Method as claimed in claim 11, characterised in that the excavated old ballast is processed before being laid.
- Method as claimed in claim 11 or 12, characterised in that, when the excavated earth or the excavated old formation protection layer material is being processed, additives are mixed with the excavated earth or formation protection layer material.
- Method as claimed in the preceding claim, characterised in that, when the excavated earth or the excavated old formation protection layer material is being processed, at least some of the excavated ballast is mixed with the excavated earth or formation protection layer material.
- Method as claimed in the preceding claim and claim 12, characterised in that, when the old ballast is being processed, it is sharpened and elements below a specific size are screened out of the sharpened old ballast and these screened-out elements of the sharpened old ballast are mixed with the excavated earth or the excavated old formation protection layer material.
- Method as claimed in one of preceding claims 11 to 15, characterised in that the mechanically damping intermediate layer is unreeled from rollers in the form of a flat material and laid on top of the newly laid formation protection layer.
- Method as claimed in one of preceding claims 11 to 16, characterised in that the mechanically damping intermediate layer is sprayed onto the newly laid formation protection layer in the form of a curable liquid.
- Method as claimed in one of preceding claims 11 to 17, characterised in that the mechanically damping intermediate layer is laid in the form of a composite material, in particular a composite material comprising a non-woven materialwith a lattice-type structure.
- Method as claimed in one of preceding claims 11 to 18, characterised in that the mechanically damping intermediate layer has a thickness of between 1-10 mm, preferably 3-5 mm.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202006019143U DE202006019143U1 (en) | 2006-12-18 | 2006-12-18 | Track construction machine for track restoration |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1939355A1 EP1939355A1 (en) | 2008-07-02 |
EP1939355B1 true EP1939355B1 (en) | 2011-10-26 |
Family
ID=39149431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP07123363A Active EP1939355B1 (en) | 2006-12-18 | 2007-12-17 | Track construction machine and method for cleaning tracks |
Country Status (3)
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EP (1) | EP1939355B1 (en) |
AT (1) | ATE530708T1 (en) |
DE (1) | DE202006019143U1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2579246C1 (en) * | 2015-01-30 | 2016-04-10 | Открытое Акционерное Общество "Российские Железные Дороги" | Method for recovery of ballast section |
US10214864B2 (en) | 2015-07-01 | 2019-02-26 | Plasser & Theurer Export von Vahnbaumaschinen Gesellschaft m.b.H. | Method for stabilizing an earth formation |
Families Citing this family (6)
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DE202008003589U1 (en) | 2008-03-14 | 2009-07-30 | Wiebe Holding Gmbh & Co. Kg | Track rehabilitation machine with base layer milling machine |
EP2166152B1 (en) * | 2008-09-22 | 2016-06-01 | Knape Gruppe Holding GmbH | Method and device for improving or repairing track systems |
DE202010012355U1 (en) | 2010-09-08 | 2011-12-14 | Wiebe Holding Gmbh & Co. Kg | Track rehabilitation machine with PSS processing |
DE102011111134A1 (en) * | 2011-08-19 | 2013-03-14 | Gsg Knape Gleissanierung Gmbh | Method and device for improving or repairing railway tracks |
AT13243U1 (en) * | 2012-05-16 | 2013-09-15 | Plasser Bahnbaumasch Franz | Method for rehabilitating a ballast bed |
DE202013005103U1 (en) | 2013-06-06 | 2014-09-08 | Gbm Wiebe Gleisbaumaschinen Gmbh | Track rehabilitation machine with PSS processing |
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AT307476B (en) * | 1967-09-08 | 1973-05-25 | Plasser Bahnbaumasch Franz | Device for the subsequent application of a layer that shields the substructure from the bedding on existing track systems |
CH595512A5 (en) * | 1975-09-19 | 1978-02-15 | Matico Sa | Consolidation and vibration suppression of railway track upper layer |
AT368217B (en) * | 1980-01-15 | 1982-09-27 | Plasser Bahnbaumasch Franz | DRIVABLE PLANT FOR RENOVATING THE TRACK |
CH664405A5 (en) * | 1983-09-01 | 1988-02-29 | Plana Eng Ag | METHOD FOR STABILIZING A SOIL LAYER. |
RU2086723C1 (en) * | 1993-06-16 | 1997-08-10 | Франц Плассер Банбаумашинен-Индустригезельшафт Мбх | Method of and device for reconditioning of railway track ballast layer |
DE29703454U1 (en) * | 1997-02-27 | 1998-06-25 | Hermann Wiebe Grundstücks- und Maschinenanlagen KG, 27313 Dörverden | Movable track construction machine |
AT4463U3 (en) * | 2001-04-26 | 2002-03-25 | Plasser Bahnbaumasch Franz | CLEANING MACHINE FOR CLEANING THE GRAVEL BED OF A TRACK |
DE20107518U1 (en) * | 2001-05-03 | 2001-07-26 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H., Wien | Cleaning machine for cleaning the ballast bedding of a track |
DE20107520U1 (en) * | 2001-05-03 | 2001-07-26 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H., Wien | Cleaning machine for cleaning the ballast bedding of a track |
DE20112865U1 (en) * | 2001-08-02 | 2001-10-04 | Hermann Wiebe Grundstücks- und Maschinenanlagen GmbH & Co. KG, 27313 Dörverden | Movable track construction machine |
DE202005007362U1 (en) * | 2005-05-04 | 2005-07-28 | Wiebe Holding Gmbh & Co. Kg | Railway track bedding renovation machine has ballast- and foundation lifting chains, mixer producing new foundation protecting material which is laid by conveyor and vibrating sieve treating old protecting material which is re-used |
WO2007090902A1 (en) * | 2006-02-10 | 2007-08-16 | Msb-Management Gmbh | Ballast bed cleaning method and device comprising the introduction of drainage mats |
-
2006
- 2006-12-18 DE DE202006019143U patent/DE202006019143U1/en not_active Expired - Lifetime
-
2007
- 2007-12-17 EP EP07123363A patent/EP1939355B1/en active Active
- 2007-12-17 AT AT07123363T patent/ATE530708T1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2579246C1 (en) * | 2015-01-30 | 2016-04-10 | Открытое Акционерное Общество "Российские Железные Дороги" | Method for recovery of ballast section |
US10214864B2 (en) | 2015-07-01 | 2019-02-26 | Plasser & Theurer Export von Vahnbaumaschinen Gesellschaft m.b.H. | Method for stabilizing an earth formation |
Also Published As
Publication number | Publication date |
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ATE530708T1 (en) | 2011-11-15 |
DE202006019143U1 (en) | 2008-04-30 |
EP1939355A1 (en) | 2008-07-02 |
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