EP1105575B1 - Chamber filling body made of rigid polyurethane foam - Google Patents
Chamber filling body made of rigid polyurethane foam Download PDFInfo
- Publication number
- EP1105575B1 EP1105575B1 EP99941564A EP99941564A EP1105575B1 EP 1105575 B1 EP1105575 B1 EP 1105575B1 EP 99941564 A EP99941564 A EP 99941564A EP 99941564 A EP99941564 A EP 99941564A EP 1105575 B1 EP1105575 B1 EP 1105575B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- rail
- rails
- casting
- filler
- 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.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material
Definitions
- the invention relates to the use of pure, unfilled polyurethane for Chamber filling body and a Kammer hypolligen.
- a noise reduced railway superstructure is known at Cover the filler bar with the rail web.
- the filler consists of a Variety of successive cavities or chambers, the airborne sound to absorb.
- the packing can be self-locking in the Recess between the rail head and rail foot are inserted. It should have a Shore hardness D 10 to D 60 and polyethylene or consist of an elastomer and delivered in lengths of 500 to 1000 mm become.
- the Kammer Stahlll stresses can additionally with mineral wool or Foam filled.
- the document FR-A 266 43 09 discloses Kammer circall stresses for tram tracks or the like to completely fill the rail chambers.
- the first two-part body consisting of a semi-rigid, the pressure distribution serving plate of polyurethane and a moisture-resistant polyolefin foam pad, connected by welding, gluing or casting in one piece.
- the foam lies completely on the rail;
- the plate serves as a separating element for road building material, lying outside the rail chamber.
- the invention is based on the problem, an easy to be installed, compared to those made of plastic material Kammer hypolligenn according to the prior art, however, essential cheaper filler to propose, however, compared to the Mortar grout or the concrete blocks has advantages.
- pure, unfilled polyurethane for chamber filling which are suitable to be clamped in the chambers of rail vehicles to be used by pouring hard foam in one of the chamber shape exactly adapted mold.
- the density of the hard foam should be 40 to 160 kg / m 3 and can be adjusted by the person skilled in the production on the particular application by appropriate choice of materials.
- the base material the processing of which as a two-component material taken by itself familiar to the expert, added with an appropriate amount of additives such as hardener and accelerator or the like to adjust the processing and / or curing time.
- the yardstick for the choice of density by a person skilled in the art is first the respective requirement for the decoupling of structure-borne noise between the rail and the surrounding building material, such as paving, bituminous building material or the like.
- a Kammer hypollève is intended for use in tram tracks, wherein in the case of use in grooved rails, the Kammer hypolligen on both sides of the rails, of course, must have a specially adapted to the groove area shape. If the installation location of the chamber filling bodies lies in a road which is heavily loaded by motor vehicles, densities of the hard foam are set in the upper region of the specified densities. If hardly any traffic loads and thus lower vertical and / or horizontal forces act on the Kammer hypoll emotions, a lower density is selected for the rigid foam.
- a filler produced in this way from substantially pure unfilled polyurethane has completely sufficient properties in most cases and is also considerably cheaper than other fillers previously made of plastic material.
- the filler is mechanically and thermally sufficient load for the specified purpose. Due to its waterproofness, in contrast to the molded bricks made of concrete or mortar, it has an electrically insulating effect, in particular against stray currents. This requirement is due to the track feedback systems or possible pitting in combination with surface waters that act as electrolytes, collected frequently today and could be realized in the prior art only by expensive plastic parts. Due to its fit, the filler can be inserted self-locking between the rail head and rail in the chamber, without the need for additional attachment.
- the existing foam hardfill can also be nailed or clamped with these elements with customary site fasteners.
- the mold can be designed so that these moldings are made with certain grid dimensions, taking into account that between the rails of a track track holder with corresponding fittings on the rail web are arranged.
- the necessary recesses, but also more recesses at regular intervals, eg for rail fasteners or attachments can be introduced in the mold equal as a negative mold.
- the casting mold corresponds in its product length to the simple, preferably the multiple, an installation length of the packing. The installation length can then be generated on site by separating cut, as well as a recess for a factory not planned attachment can be cut out.
- the filling body can also be produced as a molded foam body of constant cross-section of great length, for example by continuous casting or casting in long shapes. Construction site later, the body is cut by means of suitable cutting tools, such as knives or saws to length and the recesses, eg for tie rods or tabs, rail fasteners and the like can also be cut out by such manually operated cutting tools.
- suitable cutting tools such as knives or saws to length
- the recesses eg for tie rods or tabs, rail fasteners and the like
- the cutting or separating surfaces do not lose their property of watertightness due to the material.
- This method of retrofitting to the environmental shape is for Polyurethane hard foam borrowed from the sanitary engineering, in such Hard foam body, which may also be waterproof, to the shape of a Well or similar adapted.
- the filler is compared to the concrete bodies but also compared to the plastic bodies according to the prior art easily and allows a quick and clean processing and thus offers a cost savings compared to the purchase price and the transport costs of the concrete elements.
- the filler according to the invention thus represent an advanced alternative to conventional Betonhunthellmaschinen or a corresponding mortar grout.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Polyurethanes Or Polyureas (AREA)
- Road Paving Structures (AREA)
- External Artificial Organs (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Die Erfindung betrifft die Verwendung von reinem, ungefülltem Polyurethan für Kammerfüllkörper sowie einen Kammerfüllkörper.The invention relates to the use of pure, unfilled polyurethane for Chamber filling body and a Kammerfüllkörper.
Seit über 70 Jahren wird versucht, Schienen für spurgeführte Fahrzeuge mit Kammerfüllkörpern zur Dämpfung des Lärmes der von den befahrenen Schienen, insbesondere den Schienenstegen ausgeht (US-A 1 771 078), zu bestücken. Vorgeschlagen wurde seinerzeit, derartige Kammerfüllkörper, gegebenenfalls durch Klammern mit ebensolchen Unterlegteilen für den Schienenfuß verbunden, durch Vergießen von Bitumen, Harz. Gummi und verschiedenen Beimischungen herzustellen.For over 70 years it is tried to use rails for track-guided vehicles Chamber filling bodies for damping the noise of the people being driven Rails, in particular the rail webs starting (US-A 1 771 078), too equip. At that time, such Kammerfüllkörper, optionally by brackets with just such Unterlegteilen for Rail foot connected by pouring of bitumen, resin. Rubber and produce various admixtures.
Gemäß der DE-PS 846 101 ist später vorgeschlagen worden, zur Schalldämpfung an den Schienensteg fest anliegende Dämpfpuffer aus elastischem Material, vorzugsweise Gummi herzustellen. In einer Ausführungsform dieser Veröffentlichung ist auch schon die Verwendung von Schwamm-, Moos-, oder Zellengummi vorgeschlagen worden, der nicht nur den Schienensteg sondern auch den Schienenfuß ummanteln könnte und beispielsweise mit dem Schienensteg durch Kleben oder spezielle Anpreßvorrichtungen vorbunden werden soll.According to DE-PS 846 101 has been proposed later, for Noise damping on the rail web firmly fitting damping buffer off elastic material, preferably rubber produce. In a Embodiment of this publication is already the use of Sponge, moss, or cellular rubber has been proposed, which not only could cover the rail web but also the rail foot and For example, with the rail bridge by gluing or special To be pre-bound pressing devices.
Gemäß der DE-U 83 36 005 soll für Kammerfüllkörper Gummi verwendet werden, welches zur Erhöhung der Dämpfungseigenschaften mit Hohlräumen versehen ist und dabei Verschraubungen und ähnliche, mit dem Schienensteg verbundene Teile ausspart. Das Gummiprofil ist offensichtlich als Endlosprofil durch Extrusion oder ähnliche Verfahren hergestellt worden.According to DE-U 83 36 005 is to be used for Kammerfüllkörper rubber which is used to increase the damping properties with cavities is provided while screwing and similar, with the rail web spared connected parts. The rubber profile is obviously as an endless profile produced by extrusion or similar methods.
Aus der DE-A 44 23 331 ist ein lärmreduzierter Eisenbahnoberbau bekannt, bei dem Füllkörper den Schienensteg abdecken. Der Füllkörper besteht aus einer Vielzahl hintereinander liegender Hohlräume oder Kammern, die Luftschall absorbieren sollen. Der Füllkörper kann mit Selbsthemmung klemmend in die Aussparung zwischen Schienenkopf und Schienenfuß eingeschoben werden. Er soll eine Shore-Härte D 10 bis D 60 aufweisen und aus Polyethylen oder einem Elastomer bestehen und in Längen von 500 bis 1000 mm angeliefert werden. Die Kammerfüllkörper können zusätzlich mit Mineralwolle oder Schaumstoff gefüllt sein.From DE-A 44 23 331 a noise reduced railway superstructure is known at Cover the filler bar with the rail web. The filler consists of a Variety of successive cavities or chambers, the airborne sound to absorb. The packing can be self-locking in the Recess between the rail head and rail foot are inserted. It should have a Shore hardness D 10 to D 60 and polyethylene or consist of an elastomer and delivered in lengths of 500 to 1000 mm become. The Kammerfüllkörper can additionally with mineral wool or Foam filled.
Die Schrift FR-A 266 43 09 offenbart Kammerfüllkörper für Straßenbahngleise
oder ähnliches zum vollständigen Ausfüllen der Schienenkammern. Dabei wird
der zunächst zweiteilige Körper, bestehend aus einer halbstarren, der
Druckverteilung dienenden Platte aus Polyurethan und einem
feuchtigkeitsresistenten Polyolefin-Schaumstoffkissen, durch Schweißen,
Kleben oder Angießen zu einem Stück verbunden.
Der Schaumstoff liegt vollflächig an der Schiene an; die Platte dient zugleich,
außerhalb der Schienenkammer liegend, als Trennelement zum
Straßenbaumaterial.The document FR-A 266 43 09 discloses Kammerfüllkörper for tram tracks or the like to completely fill the rail chambers. Here, the first two-part body, consisting of a semi-rigid, the pressure distribution serving plate of polyurethane and a moisture-resistant polyolefin foam pad, connected by welding, gluing or casting in one piece.
The foam lies completely on the rail; At the same time, the plate serves as a separating element for road building material, lying outside the rail chamber.
Mit der EP-B 0 180 118 ist vorgeschlagen worden, oberhalb des Schienenfußes und mit Abstand zum Schienensteg bis zum Schienenkopf reichend, zwischen zwei Verschalungen Material zu vergießen, welches aus lösungsmittelfreiem, elastisch aushärtendem Zweikomponentenmaterial auf Polyurethanbasis besteht, in die Tonkörner eingeschlossen sind. In der DE-A 37 11 190 sind auch bereits Formstücke aus diesem Material mit gleicher Positionierung von demselben Anmelder offenbart.With EP-B 0 180 118 has been proposed above the Rail foot and with distance to the rail bridge to the rail head reaching to shed material between two shuttering, which made solvent-free, elastically curing two-component material on Polyurethane base is composed, are included in the clay grains. In DE-A 37 11 190 are already fittings made of this material with the same Positioning disclosed by the same applicant.
Bei ersten vier genannten Veröffentlichungen steht neben der Elastizität der Kammerfüllkörper und gegebenenfalls der gleichartigen Schienenunterlagen die Schalldämpfung, insbesondere die vom Schienensteg ausgehende Schalldämpfung im Vordergrund. In den letzten drei zitierten Schutzschriften wird bauartbedingt im wesentlichen versucht eine Schalldämmung zu erzielen. Bei der Anwendung für Straßenbahngleise, insbesondere im Zusammenhang mit Rillenschienen, haben die Füllkörper auch die Funktion der Körperschalltrennung zu dem umgebenden Material und sollen als Basis für den Verguß der Schienen bis zur Schienenoberkante dienen, um eine Lücke zwischen dem der Schiene benachbarten Pflaster bis zur Schiene hin zu verschließen. Aus diesen Gründen ist auch das jeweils verwendete Material sehr elastisch gestaltet, um die Entkopplung der Körperschallschwingungen zu gewährleisten.In the first four publications mentioned stands next to the elasticity of Chamber filling and possibly the same rail documents the soundproofing, in particular the outgoing from the rail web Soundproofing in the foreground. In the last three cited protections Due to the design is essentially trying to achieve a sound insulation. In the application for tram tracks, especially in context with grooved rails, the packing also have the function of Structure-borne sound separation to the surrounding material and are intended as a basis for serve the casting of the rails to the top of the rail to a gap between the plaster adjoining the rail to the rail close. For these reasons is also the material used very elastic designed to decouple the structure-borne sound vibrations guarantee.
Diesem Zweck dient auch ein früherer Vorschlag gemäß DE-A 40 04 208 der
Anmelderin dieser Erfindung. In dieser Offenlegungsschrift wurde
vorgeschlagen, Teile aus mit Polyurethan gebundenen Gummiteilen mit einer
Shore-Härte D 80 herzustellen und speziell für Straßenbahnschienen zu
verwenden. Aus dem Material können stangenartige Formteile hergestellt
werden, die eine den Kammern des Straßenbahnschienenprofils angepaßte
Form aufweisen, wobei die Formteile vorzugsweise als Stangen von ca. 500
mm Länge und mit Aussparungen für die mit der Schiene verbundenen
Bauteile versehen sind. Die Formteile können auch mit Nut und Feder
versehen sein, um sie miteinander formschlüssig zu koppeln.
Diese Formteile mit relativ hoher Dichte sind auch in einer hauseigenen
"Technische Mitteilung Nr. 7.4/11.92" der Anmelderin aus 1992 dargestellt.
Berichtet wird darin des weiteren, daß für Straßenbahnen im städtischen
Nahverkehr neben der Vermeidung von Erschütterungen und
Lärmentwicklung durch entsprechenden elastischen vertikalen Aufbau der
Gleislagerung, der Wirtschaftlichkeit für die horizontale Lagerung, d.h. die
Abstützung der Pflasterung oder Wege zum Oberbau hin Rechnung zu tragen
ist. Daher werden traditionell auch Betonkammersteine unterschiedlicher Größe
eingesetzt oder die Schienenkammern mit Mörtel ausgegossen.
Demgegenüber weist der Kammerstein aus dem mehrkomponentigen Material
auf Polyurethanbasis unter Beimischung von Gummi bessere
schwingungdämpfende Eigenschaften auf und kann zudem 100%-ig recycelt
werden. Der Vorteil dieses dichten aber elastischen Kammersteines ist, das er
paßgenau und mit niedrigen Toleranzen hergestellt werden kann.
Der Nachteil besteht in den relativ hohen Kosten gegenüber den häufig
verwendeten Betonkammersteinen oder dem Mörtelverguß für die horizontale
Lagerung des Gleises.This purpose is also served by an earlier proposal according to DE-A 40 04 208 of the applicant of this invention. In this publication, it has been proposed to produce parts of polyurethane bonded rubber parts with a Shore hardness D 80 and to use especially for tram rails. From the material rod-like molded parts can be produced which have a shape adapted to the chambers of the tram rail profile, wherein the molded parts are preferably provided as rods of about 500 mm in length and with recesses for the components connected to the rail. The moldings may also be provided with tongue and groove to couple them form-fitting manner.
These relatively high density moldings are also shown in our own 1992 "Technical Bulletin No. 7.4 / 11.92". It is further reported that for trams in urban transport in addition to the avoidance of vibration and noise through appropriate elastic vertical structure of the track bearing, the economy of the horizontal storage, ie the support of the pavement or paths to the superstructure out is taken into account. Therefore, concrete chamber stones of different sizes are traditionally used or the rail chambers are filled with mortar. In contrast, the chamber stone made of the multi-component polyurethane-based material with the addition of rubber has better vibration-damping properties and can also be 100% recycled. The advantage of this dense but elastic chamber stone is that it can be made in registration and with low tolerances.
The disadvantage is the relatively high cost compared to the frequently used concrete chamber stones or mortar grout for the horizontal storage of the track.
Von daher liegt der Erfindung die Problemstellung zugrunde, einen leicht einzubauenden, gegenüber den aus Kunststoffmaterial bestehenden Kammerfüllkörpern gemäß dem Stand der Technik jedoch wesentlich preiswerteren Füllkörper vorzuschlagen, der jedoch gegenüber dem Mörtelverguß oder den Betonsteinen Vorteile aufweist.Therefore, the invention is based on the problem, an easy to be installed, compared to those made of plastic material Kammerfüllkörpern according to the prior art, however, essential cheaper filler to propose, however, compared to the Mortar grout or the concrete blocks has advantages.
Das Problem wird erfindungsgemäß gelöst durch die in den Ansprüchen 1 und
5 angegebenen Merkmale.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen erfaßt.The problem is solved according to the invention by the features specified in claims 1 and 5.
Advantageous developments of the invention are covered in the subclaims.
Erfindungsgemäß soll reines, ungefülltes Polyurethan für Kammerfüllkörper, die
geeignet sind, in die Kammern schienengeführter Fahrzeuge eingeklemmt zu
werden, durch Vergießen als Hartschaum in einer der Kammerform exakt
angepaßte Gießform verwendet werden. Die Dichte des Hartschaumes soll
dabei 40 bis 160 kg/m3 betragen und kann vom Fachmann produktionsseitig
auf den jeweiligen Anwendungsfall durch entsprechende Materialauswahl
abgestellt sein. Dazu wird das Basismaterial, dessen Verarbeitung als
Zweikomponentenmaterial für sich genommen dem Fachmann geläufig ist, mit
einer entsprechenden Menge Additiven wie Härter und auch Beschleuniger
oder ähnliches zur Einstellung der Verarbeitung- und / oder Aushärtezeit
zugesetzt.
Maßstab für die Wahl der Dichte durch den Fachmann ist zunächst die
jeweilige Anforderung an die Entkopplung von Körperschall zwischen der
Schiene und dem umgebenden Baustoff wie Pflaster, bituminösem Baumaterial
oder ähnlichem. Insbesondere ist ein derartiger Kammerfüllkörper für die
Verwendung in Straßenbahngleisen vorgesehen, wobei im Falle der
Verwendung bei Rillenschienen, die Kammerfüllkörper beidseits der Schienen
natürlich eine an den Rillenbereich speziell angepaßte Form haben müssen.
Liegt der Einbauort der Kammerfüllkörper in einer durch Kraftfahrzeuge stark
belasteten Straße, werden Dichten des Hartschaumes im oberen Bereich der
angegebene Dichten eingestellt. Wenn kaum Verkehrslasten und damit
geringere Vertikal- und / oder Horizontalkräfte auf den Kammerfüllkörper
einwirken, wird eine niedrigere Dichte für den Hartschaum gewählt.According to the invention pure, unfilled polyurethane for chamber filling, which are suitable to be clamped in the chambers of rail vehicles to be used by pouring hard foam in one of the chamber shape exactly adapted mold. The density of the hard foam should be 40 to 160 kg / m 3 and can be adjusted by the person skilled in the production on the particular application by appropriate choice of materials. For this purpose, the base material, the processing of which as a two-component material taken by itself familiar to the expert, added with an appropriate amount of additives such as hardener and accelerator or the like to adjust the processing and / or curing time.
The yardstick for the choice of density by a person skilled in the art is first the respective requirement for the decoupling of structure-borne noise between the rail and the surrounding building material, such as paving, bituminous building material or the like. In particular, such a Kammerfüllkörper is intended for use in tram tracks, wherein in the case of use in grooved rails, the Kammerfüllkörper on both sides of the rails, of course, must have a specially adapted to the groove area shape. If the installation location of the chamber filling bodies lies in a road which is heavily loaded by motor vehicles, densities of the hard foam are set in the upper region of the specified densities. If hardly any traffic loads and thus lower vertical and / or horizontal forces act on the Kammerfüllkörper, a lower density is selected for the rigid foam.
In Weiterentwicklungen der Erfindung soll das zu vergießende Polyurethan,
genauer das mit Härter und / oder Beschleuniger sowie gegebenenfalls mit
weiteren Zusätzen zur Farbgebung oder anderes versehene Zwei-Komponenten-Material
so eingestellt werden und gegebenenfalls die Gießform
thermisch so reguliert sein, daß der Kammerfüllkörper nach dem Vergießen
eine dünne Haut (Papierhaut oder Integralhaut) hat.
Die thermische Behandlung bzw. Verfahrensführung während des
Gießprozesses kann auch zur Veränderung, z.B. zur Verkürzung der
Reaktionszeit des Zwei-Komponenten-Materials genutzt werden.In further developments of the invention to be cast polyurethane, more precisely with hardener and / or accelerator and optionally with other additives for coloring or other provided two-component material to be adjusted and optionally the mold thermally regulated so that the Kammerfüllkörper after the Shedding has a thin skin (paper skin or integral skin).
The thermal treatment or process control during the casting process can also be used to change, for example, to shorten the reaction time of the two-component material.
Ein so hergestellter Füllkörper aus im wesentlichen reinem ungefülltem
Polyurethan hat in den meisten Fällen völlig ausreichende Eigenschaften und
ist zudem wesentlich preiswerter als andere bisher aus Kunststoffmaterial
gefertigte Füllkörper. Der Füllkörper ist mechanisch und thermisch für den
angegebenen Verwendungszweck ausreichend belastbar. Durch seine
Wasserdichtigkeit wirkt er im Gegensatz zu den Formsteinen aus Beton oder
Mörtel elektrisch isolierend, insbesondere gegenüber Streuströmen. Diese
Anforderung wird wegen der Gleisrückmeldesysteme oder möglichem Lochfraß
in Kombination mit Oberflächenwässern, die als Elektrolyte wirken, heute
häufig erhoben und konnte nach dem Stand der Technik nur durch teure
Kunststoffteile verwirklicht werden.
Durch seine Paßform kann der Füllkörper selbsthemmend zwischen
Schienenkopf und Schienenfuß in die Kammer eingeschoben werden, ohne
daß es einer zusätzlichen Befestigung bedarf. Für den Fall, daß der
Schienenfuß additiv eine entsprechende Unterlage hat oder aus -
bautechnischen oder schwingungstechnischen Gründen seitlich der Schiene
weitere Entkoppelschalungen eingebaut werden, kann der aus Hartschaum
bestehende Füllkörper auch mit diesen Elementen vernagelt oder verklammert
werden mit baustellenüblichen Befestigungselementen.A filler produced in this way from substantially pure unfilled polyurethane has completely sufficient properties in most cases and is also considerably cheaper than other fillers previously made of plastic material. The filler is mechanically and thermally sufficient load for the specified purpose. Due to its waterproofness, in contrast to the molded bricks made of concrete or mortar, it has an electrically insulating effect, in particular against stray currents. This requirement is due to the track feedback systems or possible pitting in combination with surface waters that act as electrolytes, collected frequently today and could be realized in the prior art only by expensive plastic parts.
Due to its fit, the filler can be inserted self-locking between the rail head and rail in the chamber, without the need for additional attachment. In the event that the rail foot additively has a corresponding surface or from construction - technical or vibration control reasons, more decoupling formworks are installed laterally of the rail, the existing foam hardfill can also be nailed or clamped with these elements with customary site fasteners.
In Weiterbildung der Erfindung kann die Gießform natürlich so gestaltet sein,
daß diese Formkörper mit bestimmten Rastermaßen gefertigt werden, dabei
berücksichtigend, daß zwischen den Schienen eines Gleises Spurhalter mit
entsprechenden Verschraubungen am Schienensteg angeordnet sind. Die
dafür nötigen Aussparungen, aber auch weitere Aussparungen in regelmäßigen
Abständen, z.B. für Schienenbefestigungen oder Anbauteile, können in der
Gießform gleich als Negativform eingebracht sein.
Die Gießform entspricht dabei in seiner Produktlänge dem Einfachen,
vorzugsweise dem Mehrfachen, einer Einbaulänge des Füllkörpers. Die
Einbaulänge kann dann vor Ort durch Trennschnitt erzeugt werden, ebenso
kann eine Aussparung für ein fabrikseitig nicht geplantes Anbauteil
ausgeschnitten werden.In a further development of the invention, of course, the mold can be designed so that these moldings are made with certain grid dimensions, taking into account that between the rails of a track track holder with corresponding fittings on the rail web are arranged. The necessary recesses, but also more recesses at regular intervals, eg for rail fasteners or attachments can be introduced in the mold equal as a negative mold.
The casting mold corresponds in its product length to the simple, preferably the multiple, an installation length of the packing. The installation length can then be generated on site by separating cut, as well as a recess for a factory not planned attachment can be cut out.
Gemäß einer Variante kann der Füllkörper jedoch auch als Formschaumkörper
konstanten Querschnitts in großer Länge durch z.B. Stranggießen oder Gießen
in langen Formen erzeugt werden. Baustellenseitig wird später der Körper
mittels geeigneter Trennwerkzeuge, wie Messer oder Sägen auf Länge
geschnitten und die Aussparungen, z.B. für Spurstangen oder Laschen,
Schienenbefestigungen und ähnliches können ebenfalls durch derartige
manuell bedienbare Trennwerkzeuge ausgeschnitten werden. Die Schnitt- oder
Trennflächen verlieren dabei materialbedingt ihre Eigenschaft der
Wasserdichtheit nicht.
Die beiden beschriebenen Herstellvarianten ersparen Herstellkosten und
verringern die Typenvielfalt entscheidend.According to a variant, however, the filling body can also be produced as a molded foam body of constant cross-section of great length, for example by continuous casting or casting in long shapes. Construction site later, the body is cut by means of suitable cutting tools, such as knives or saws to length and the recesses, eg for tie rods or tabs, rail fasteners and the like can also be cut out by such manually operated cutting tools. The cutting or separating surfaces do not lose their property of watertightness due to the material.
The two manufacturing variants described save manufacturing costs and significantly reduce the variety of types.
Dieses Verfahren des nachträglichen Anpassens an die Umgebungsform ist für Polyurethanhartschaum aus der Sanitärtechnik entlehnt, bei der derartige Hartschaumkörper, die auch wasserdicht sein können, an die Form einer Wanne oder ähnliches angepaßt werden.This method of retrofitting to the environmental shape is for Polyurethane hard foam borrowed from the sanitary engineering, in such Hard foam body, which may also be waterproof, to the shape of a Well or similar adapted.
Weitere Vorteile eines derartigen Füllkörpers sind, daß auch Anpassungen an kleine Schienenradien durch entsprechendes Zuschneiden möglich sind oder bei Bedarf auch ein Verkleben mit entsprechenden, für Polyurethan geeigneten Klebern möglich ist. Bevorzugt ist jedoch der Verzicht auf das Kleben, damit der Füllkörper nach Wartungsarbeiten, die einen Zugang zu den Schienenbefestigungen bedingen oder nach Demontage / Montage des Gleises wieder verwendet werden können. Der nicht mehr gebrauchsfähige Füllkörper kann mit dem Hausmüll - nicht Sondermüll - entsorgt oder dem Beton als zerkleinerter Zuschlagstoff beigemischt werden.Further advantages of such a filler body are that also adaptations small rail radii are possible by appropriate cutting or If necessary, also a gluing with appropriate, suitable for polyurethane Glues is possible. However, it is preferred to dispense with bonding, so that the filler after maintenance, which gives access to the Rail fastenings condition or after disassembly / assembly of the track can be used again. The no longer usable filler can be disposed of with household waste - not hazardous waste - or the concrete as crushed aggregate are added.
Der Füllkörper ist gegenüber den Betonkörpern aber auch gegenüber den
Kunststoffkörpern gemäß dem Stand der Technik leicht und läßt eine schnelle
und saubere Verarbeitung zu und bietet somit eine Kostenersparnis gegenüber
dem Beschaffungspreis und den Transportkosten der Betonelemente.
Die erfindungsgemäßen Füllkörper stellen damit eine fortschrittliche Alternative
zu konventionellen Betonkammerfüllelementen oder einem entsprechenden
Mörtelverguß dar.The filler is compared to the concrete bodies but also compared to the plastic bodies according to the prior art easily and allows a quick and clean processing and thus offers a cost savings compared to the purchase price and the transport costs of the concrete elements.
The filler according to the invention thus represent an advanced alternative to conventional Betonkammerfüllelementen or a corresponding mortar grout.
Claims (5)
- Use of pure, filler-free polyurethane for a chamber filler, suitable for jamming in chambers of rails for track-guided vehicles, by casting as high-resistance foam with a density of 40 to 160 kg/m3 in a mould which is adapted exactly to the chamber shape.
- Use according to claim 1, characterised in that the polyurethane which is to be cast is adjusted in such a manner as a two-component material, and the mould is thermally regulated such that the chamber filler forms a thin skin after casting.
- Use according to claim 1 or 2, characterised in that, in the mould, a moulded foam body of a specific length is produced, taking into account at least some regular recesses for rail mounting means or rail attachment means in one or more fitting lengths, the moulded foam body is cut to exact fitting length by means of a parting-off tool, if necessary on the construction site, and/or additional recesses are produced for means which are coupled to the rails.
- Use according to one of the claims 1 to 3, characterised in that the moulded foam body is produced by continuous casting.
- Chamber filler for jamming in chambers of rails for track-guided vehicles, produced by casting as high-resistance foam in a mould which is adapted exactly to the chamber shape, the high-resistance foam with a density of 40 to 160 kg/m3 comprising pure, filler-free polyurethane which is correspondingly adjusted on the production-side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19837479 | 1998-08-11 | ||
| DE19837479A DE19837479C1 (en) | 1998-08-11 | 1998-08-11 | Chamber filler made of rigid polyurethane foam |
| PCT/EP1999/005815 WO2000009807A1 (en) | 1998-08-11 | 1999-08-11 | Chamber filling body made of rigid polyurethane foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1105575A1 EP1105575A1 (en) | 2001-06-13 |
| EP1105575B1 true EP1105575B1 (en) | 2005-10-19 |
Family
ID=7877931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99941564A Expired - Lifetime EP1105575B1 (en) | 1998-08-11 | 1999-08-11 | Chamber filling body made of rigid polyurethane foam |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1105575B1 (en) |
| AT (1) | ATE307223T1 (en) |
| AU (1) | AU5513199A (en) |
| DE (2) | DE19837479C1 (en) |
| ES (1) | ES2251219T3 (en) |
| WO (1) | WO2000009807A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010049701A1 (en) * | 2010-10-28 | 2012-05-03 | Db Netz Ag | Back bar insulation of heated points |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1771078A (en) | 1926-01-06 | 1930-07-22 | Carey Philip Mfg Co | Rail-expansion sound deadener |
| DE846101C (en) | 1950-04-04 | 1952-08-07 | Vorwerk & Sohn | Device for vibration dampening and soundproofing in railway superstructures |
| DE8336005U1 (en) | 1983-12-15 | 1984-09-27 | Phoenix Ag, 2100 Hamburg | ELASTIC SUPPORT BEARING FOR RAILWAY RAILWAYS |
| DE8412347U1 (en) * | 1984-04-19 | 1984-07-19 | Alveo AG, 6003 Luzern | FILLING ELEMENT FOR FILLING THE TABLET CHAMBER OF TRAM RAILWAYS OD. DGL. |
| DE3439252A1 (en) * | 1984-10-26 | 1986-05-07 | Lothar 8700 Würzburg Eisner | RAIL INSTALLATION MATERIAL |
| DE3711190C2 (en) * | 1987-04-02 | 1994-12-08 | Lothar Eisner | Method for fastening structure-borne noise insulation and structure-borne noise insulation to rails for rail-bound vehicles |
| DE4004208C2 (en) * | 1990-02-12 | 1994-02-17 | Sedra Asphalt Technik Biebrich | Sound insulation device on tram rails |
| FR2664309B1 (en) | 1990-07-05 | 1992-10-16 | Alveo Ag | SIDE FILLING PROFILE OF TRAMWAY TRACK OR THE LIKE. |
| WO1993001354A1 (en) * | 1991-07-11 | 1993-01-21 | Jenbacher Transportsysteme Aktiengesellschaft | Noise reduction device for railway tracks |
| DE4423331A1 (en) | 1994-03-31 | 1996-01-04 | Udo Wirthwein | Noise-reducing railway permanent way construction |
| DE19633262A1 (en) * | 1996-08-17 | 1998-02-19 | Sedra Asphalt Technik Biebrich | Formwork and decoupling device |
-
1998
- 1998-08-11 DE DE19837479A patent/DE19837479C1/en not_active Expired - Fee Related
-
1999
- 1999-08-11 WO PCT/EP1999/005815 patent/WO2000009807A1/en active IP Right Grant
- 1999-08-11 DE DE59912682T patent/DE59912682D1/en not_active Expired - Lifetime
- 1999-08-11 ES ES99941564T patent/ES2251219T3/en not_active Expired - Lifetime
- 1999-08-11 AT AT99941564T patent/ATE307223T1/en not_active IP Right Cessation
- 1999-08-11 EP EP99941564A patent/EP1105575B1/en not_active Expired - Lifetime
- 1999-08-11 AU AU55131/99A patent/AU5513199A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000009807A1 (en) | 2000-02-24 |
| EP1105575A1 (en) | 2001-06-13 |
| DE19837479C1 (en) | 2000-06-15 |
| ATE307223T1 (en) | 2005-11-15 |
| DE59912682D1 (en) | 2005-11-24 |
| AU5513199A (en) | 2000-03-06 |
| ES2251219T3 (en) | 2006-04-16 |
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