EP0554238B1 - Arrangement for connecting rails - Google Patents

Arrangement for connecting rails Download PDF

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Publication number
EP0554238B1
EP0554238B1 EP93890011A EP93890011A EP0554238B1 EP 0554238 B1 EP0554238 B1 EP 0554238B1 EP 93890011 A EP93890011 A EP 93890011A EP 93890011 A EP93890011 A EP 93890011A EP 0554238 B1 EP0554238 B1 EP 0554238B1
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EP
European Patent Office
Prior art keywords
supporting structure
support
rails
foundation
connecting member
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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EP93890011A
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German (de)
French (fr)
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EP0554238A1 (en
Inventor
Gerald Durchschlag
Helmut Dipl.-Ing. Dr. Adelsberger
Herbert Dipl.-Ing. Klein
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Voestalpine Railway Systems GmbH
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Voestalpine VAE GmbH
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Publication of EP0554238A1 publication Critical patent/EP0554238A1/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00General structure of permanent way
    • E01B2/003Arrangement of tracks on bridges or in tunnels
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B11/00Rail joints
    • E01B11/02Dismountable rail joints
    • E01B11/20Dismountable rail joints with gap-bridging
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/06Arrangement, construction or bridging of expansion joints
    • E01D19/065Joints having sliding plates

Definitions

  • the invention relates to an arrangement for connecting a structure, in particular a bridge structure, with a foundation or mainland, with rails fixed on the structure and rails extending on the foundation or mainland using a dilatation device for absorbing movements in the longitudinal direction of the rail, in which between the structure and the foundation or mainland, a carrier which is displaceable in the longitudinal direction of the rail is arranged, which is coupled to the structure in the direction of displacement, and in which the dilatation device is connected to the side of the displaceable carrier facing away from the structure.
  • AT-PS 337 747 has already proposed a device for absorbing longitudinal rail extensions, in which a rail joint is divided into a plurality of jointed surfaces to bridge larger dilatation paths without causing excessive dilation joints.
  • a rail joint is divided into a plurality of jointed surfaces to bridge larger dilatation paths without causing excessive dilation joints.
  • training has become known in which wheel links are required in the region of the gap.
  • the rail parts which are movable relative to one another are offset in the longitudinal direction to half the cross section, so that they result in the full rail cross section in the overlapping regions.
  • US Pat. No. 4,785,994 already shows a dilatation device in which a control rail with a relatively large radius is deflected and is slidably supported on the outside of a tongue rail. At a Such training does not result in any lane changes in the area of the dilation device and a relatively large displacement path can be implemented with a single dilation device.
  • the invention now aims to provide an arrangement of the type mentioned at the outset, with which the displacement forces are introduced exactly and only in the longitudinal direction of the rail in any dilation devices, in particular in dilation devices with a relatively large permissible displacement path, in a single device those areas in which they are slidably attached to base plates or sleepers, can be held securely in place with low sliding resistance. Furthermore, the design according to the invention aims to ensure that, in the area of the transition between the supporting structure and the foundation, even under extreme loads, no forces that could jeopardize the secure fixing and anchoring of the rails occur, and such eccentric forces that do not act in the longitudinal direction of the rails, without overstressing the bearing components of sliding parts to be able to record.
  • the arrangement according to the invention essentially consists in the fact that the supporting structure is non-positively connected, in particular welded or screwed, to the displaceable carrier with the interposition of a flexible connecting link.
  • a flexurally elastic connecting piece or link allows, in contrast to known constructions in which the connection is made in the manner of a stretch of line with clearly pronounced kinks, to absorb bending forces in such a way that an inadmissibly small radius of curvature does not occur at any point .
  • Such an impermissibly small radius of curvature, for example at the transition points, would result in high forces acting in the direction of pulling out anchoring elements or parts for fixing rails, and the use of the flexible intermediate link here permits the forces that are theoretically conceivable in this direction to be significantly reduced by uniform distribution over the length of the flexible intermediate member.
  • the stress on the bearings of the longitudinally slidable beam and the bearing structure or the bridge bearing is naturally significantly reduced.
  • the flexurally elastic connecting member is designed as a torsion bar, with advantageous support for the safe support of high loads How the flexurally elastic connecting element cooperates with elastic, in particular resilient, abutments.
  • a torsion bar can be designed, for example, as a rectangular profile bar, the preferred bending direction of such a rectangular profile naturally being the bend over the narrow edge of the rectangular profile. In other words, this means that the rectangular profile with its narrower side is installed in the vertical direction between the displaceable support and the supporting structure and can be butt-welded at the ends to these ends.
  • the design is advantageously made such that the flexible connection member engages over the displaceable support and the supporting structure in the areas of the non-positive connection with these.
  • the welding or screw connection ensures that the loads are absorbed in the exposed area of the flexurally elastic connecting member.
  • the elastic abutments already mentioned at the outset which are intended to additionally support the bending forces, are developed in a particularly advantageous manner in such a way that the elastic abutments arranged below the flexible connection element are arranged in a carrier which is attached to the Supporting structure and is slidably supported on the movable support.
  • the theoretically conceivable displacement path in the respective sliding support is naturally limited by the non-positive connection of the flexurally elastic connecting member with the two parts mentioned.
  • the interposition of a flexurally elastic connecting member with such a configuration of the device according to the invention, the possibility is created to ensure that only axially following the flexurally elastic connecting member and in particular following the displaceable in the longitudinal direction of the rail Forces are introduced into the rails.
  • the rigidly fixed rails on the sliding support in their sliding bearings in the longitudinal direction of the rails in which they are guided in the longitudinal direction on the foundation or on sleepers or on such sleepers supported on a foundation.
  • the design of the sliding plates can be dimensioned so that they only reliably absorb displacement forces in the longitudinal direction, while at the same time the displacement resistance in the longitudinal direction can be kept considerably lower, since eccentric loads must not be expected.
  • the design is such that the displaceable support has on its side facing away from the supporting structure at least one recess running in the longitudinal direction of the rail, into which a part of the foundation or a rigid support on the mainland side is immersed, the rails on the displaceable support being rigid and Slidable on the foundation up to the dilator in the longitudinal direction of the rail are stored, such a design already allowing the movable carrier to be guided in a precisely defined direction, namely in the longitudinal direction of the rail.
  • FIG. 1 shows a plan view of an arrangement according to the invention for connecting rails
  • 2 shows a schematic side view of the design according to FIG. 1
  • 3, 4 and 5 on an enlarged scale, sections along the lines III-III, IV-IV and V-V, only one rail being shown in detail
  • 6 shows a partial section along the line VI-VI of FIG. 2 through an embodiment of the mounting of the flexible connection element of the device according to the invention
  • FIG. 7 shows a perspective schematic plan view of a modified embodiment of the mounting of the flexible connection element in the arrangement for connecting Rails.
  • 1 denotes a supporting structure, in particular a bridge supporting structure, adjacent to the mainland or foundation 2.
  • a supporting structure in particular a bridge supporting structure, adjacent to the mainland or foundation 2.
  • length compensation must be carried out over partially considerable distances, for example to the extent of 3 m, it being possible to drive on even at high speeds.
  • a support 4 which can only be moved in the longitudinal direction of the rails 3, is displaceably guided on slide bearings, not shown, on the foundation or mainland 2.
  • a flexurally elastic connecting member 5 is arranged, which is non-positively connected to both the supporting structure 1 and the supporting structure 4, a screw connection being indicated by 6.
  • a weld can also be used be provided between the structure 1 and the flexible support 5 or the support 4 and the flexible connector 5.
  • the flexurally elastic connecting member 5 also interacts with elastic, in particular resilient abutments in a component 7, the abutment component 7 being supported both on the supporting structure 1 and on the displaceable support 4.
  • the storage of the flexible link 5 is shown in Figures 6 and 7 in more detail.
  • the rails 3 are each rigidly fixed on the bridge structure 1, on the flexible connecting link 5 and on the carrier 4 which can be displaced in the longitudinal direction.
  • a dilatation device 8 is arranged directly on the end of the foundation 2 facing the displaceable support 4, the rail ends 10 rigidly connected to the support 4 being deflected by a tongue device 9 and corresponding to the displacement path or the length change to be compensated over a corresponding length along the deflection device 9 are moved.
  • the deflection device has, for example, a deflection radius of 150 m, it being possible in this way to compensate even large displacement lengths with a single dilation device.
  • the displacement of the rails 3 with the carrier 4 which can be displaced in the longitudinal direction of the rail is indicated by the rail region 3 'indicated by the broken line in FIG.
  • the rail 3 is guided in sliding guides in the subarea over which a displacement of the longitudinally displaceable carrier 4 to compensate for longitudinal expansions is made, one on the foundation or that connected to the foundation 2 in the direction of the displaceable carrier 4 protruding portion 12, a slide plate 14 is provided.
  • the slide plate 14 overlaps the rail base with an extension 15, while a separate, removable slide guide 16 is provided on the side opposite the extension 15.
  • the rail 3 is both slidably supported on the foundation extension 12 and rigidly connected to the displaceable support 4.
  • the support on the foundation extension 12 takes place in a manner similar to FIG. 3, again via a sliding device 16.
  • a metal reinforcement profile 17 is provided to protect the foundation extension 12.
  • the rail 3 is connected to the displaceable carrier 4 via a connecting element 18 which is rigidly connected both to the displaceable carrier 4, as indicated by a screw connection 19, and to the rail 3 via a screw connection 20.
  • the connecting element 18 has a recess 21, into which the corresponding portion of the foundation extension 12 can be received when the displaceable carrier 4 is displaced in the direction of the arrow 22 in FIG. as it is indicated by dashed lines at 15 '.
  • a summary of FIGS. 3 and 4 thus shows that the foundation extension 12 is offset in the area that plunges into the recess 13 of the carrier 4, as indicated by 23 in FIG.
  • the fixing of the rail 3 is shown in that part of the sliding support 4 in which the side surfaces of the sliding support 4 when inserted, i.e. upon penetration of the foundation extension 12 into the recess in the displaceable carrier, come directly into contact with the side surface of the foundation extension for appropriate guidance thereof.
  • the rail is again rigidly connected to the carrier 4 in this partial area via a connecting element 18 and a conventional clamping plate attachment 29.
  • FIG. 6 shows schematically the mounting of the flexurally elastic connecting member 5 in the abutment component 7, the suspension being indicated schematically by 25.
  • the connecting member has, for example, a rectangular cross section and is designed as a torsion bar, so that all off-center loads can be absorbed and compensated by the connecting member 5 and the support 4 is only axially loaded in the longitudinal direction of the rail.
  • an additional support 26 is provided in each case in the end region of the sleepers in addition to the connecting member rigidly connected to the threshold 24 on the abutment component 25.
  • FIG. 7 shows a modified embodiment of the mounting of the flexurally elastic connecting member 5, wherein instead of the screw connection provided in FIGS. 1 and 2 between the supporting structure 1 and connecting member 5 and between the carrier 4 and the connecting member 5, a weld 27 is provided in this case is.
  • elastic abutments in the form of transverse beams 28 extending transversely to the connecting member 5 are provided, which in turn can be arranged in a component corresponding to the abutment component 7 or in adjoining partial areas of the supporting structure 1 and the support 4 can be stored.
  • a foundation extension or a support 12 connected to the foundation which engages in a recess of the displaceable support 4 for guiding it
  • a plurality of corresponding foundation extensions can be provided, as a result of which, with a corresponding arrangement of the rail center plane relative to the separation level symmetrical support of the rail is made possible in all areas between the foundation extensions and the recesses in the displaceable support.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Railway Tracks (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

Die Erfindung bezieht sich auf eine Anordnung zum verbinden eines Tragwerks, insbesondere eines Brückentragwerks, mit einem Fundament bzw. Festland, mit auf dem Tragwerk festgelegten Schienen und am Fundament bzw. Festland weiterführenden Schienen unter Verwendung einer Dilatationsvorrichtung zur Aufnahme von Bewegungen in Schienenlängsrichtung, bei welcher zwischen Tragwerk und Fundament bzw. Festland ein in Schienenlängsrichtung verschiebbarer Träger angeordnet ist, welcher mit dem Tragwerk in Verschieberichtung gekuppelt ist, und bei welcher die Dilatationsvorrichtung an der dem Tragwerk abgewandten Seite des verschiebbaren Trägers angeschlossen ist.The invention relates to an arrangement for connecting a structure, in particular a bridge structure, with a foundation or mainland, with rails fixed on the structure and rails extending on the foundation or mainland using a dilatation device for absorbing movements in the longitudinal direction of the rail, in which between the structure and the foundation or mainland, a carrier which is displaceable in the longitudinal direction of the rail is arranged, which is coupled to the structure in the direction of displacement, and in which the dilatation device is connected to the side of the displaceable carrier facing away from the structure.

Eine Anordnung der eingangs genannten Art ist aus einem Prospekt der Firma Mitsubishi bekanntgeworden. Bei derartigen bekannten Einrichtungen wurden mehrere Dilatationsvorrichtungen benötigt, da diese Einrichtung nur eine begrenzte Verschiebung pro Dilatationsvorrichtung gestattet. Im einzelnen sind hier Einrichtungen vorgeschlagen worden, bei welchen im Bereich der Dilatationsvorrichtung Spurveränderungen eintreten. Eine derartig einfache Einrichtung ist beispielsweise auch der US-PS 4 171 774 zu entnehmen.An arrangement of the type mentioned has become known from a Mitsubishi brochure. In such known devices, several dilatation devices were required, since this device only allows a limited displacement per dilatation device. In particular, devices have been proposed here in which lane changes occur in the area of the dilation device. Such a simple device can also be found, for example, in US Pat. No. 4,171,774.

Aus der DE-A 2 314 895 ist eine Einrichtung zum Erzielen eines stetigen Übergangs bei Brücken bekannt geworden, wobei auf der Hauptbrücke und einem daran anschließenden Brückenelement aufliegende Schienen einen Winkel mit der Horizontalen einschließen. Um bei einer Verschiebung der Brückenelemente in Längsrichtung der Schienen einen Höhenausgleich zwischen den einzelnen Brückenteilen zu gewährleisten, liegt bei dieser bekannten Ausbildung das an die Hauptbrücke anschließende Brückenelement auf einem verschiebbaren Keillager auf, wobei das mit einer der Neigung der Brückenelemente entsprechenden Neigung ausgebildete Keillager über eine Kopppel- bzw. Distanzstange mit der Hauptbrücke gekoppelt ist. Dadurch soll bewirkt werden, daß im Bereich derartiger geneigter Übergangsstellen mit Sicherheit ein Sprung bzw. eine Höhendifferenz zwischen den Auflageflächen der Schienen auf der Hauptbrücke und dem anschließenden Brückenelement vermieden wird.From DE-A 2 314 895 a device for achieving a steady transition in bridges has become known, with rails resting on the main bridge and an adjoining bridge element enclosing an angle with the horizontal. In order to ensure height compensation between the individual bridge parts when the bridge elements are displaced in the longitudinal direction of the rails, the bridge element adjoining the main bridge rests on a displaceable wedge bearing in this known embodiment, the wedge bearing formed with an inclination corresponding to the inclination of the bridge elements via a Coupling or spacer rod is coupled to the main bridge. This is intended to ensure that in the area of such inclined transition points there is certainly a jump or a height difference between the contact surfaces of the rails on the main bridge and the subsequent bridge element is avoided.

In der AT-PS 337 747 ist bereits eine Vorrichtung zum Aufnehmen von Schienenlängsdehnungen vorgeschlagen worden, bei welcher ein Schienenstoß in eine Mehrzahl von miteinander verketteten Stoßflächen unterteilt ist, um auch größere Dilatationswege zu überbrücken, ohne daß es zu übergroßen Dilatationsstoßfugen kommt. Aus dem eingangs genannten Prospekt ist eine Ausbildung bekanntgeworden, bei welcher Radlenker im Bereich der Stoßlücke erforderlich sind. Die relativ zueinander beweglichen Schienenteile sind hiebei in Längsrichtung auf halben Querschnitt äbgesetzt, so daß sie in den einander überlappenden Bereichen den vollen Schienenquerschnitt ergeben. Schließlich ist der US-PS 4 785 994 bereits eine Dilatationsvorrichtung zu entnehmen, bei welcher eine Regelschiene mit relativ großem Radius abgelenkt wird und an der Außenseite einer Zungenschiene gleitend äbgestützt ist. Bei einer derartigen Ausbildung kommt es im Bereich der Dilatationsvorrichtung zu keinen Spurveränderungen und es ist ein relativ großer Verschiebeweg mit einer einzigen Dilatationsvorrichtung realisierbar.AT-PS 337 747 has already proposed a device for absorbing longitudinal rail extensions, in which a rail joint is divided into a plurality of jointed surfaces to bridge larger dilatation paths without causing excessive dilation joints. From the prospectus mentioned at the outset, training has become known in which wheel links are required in the region of the gap. The rail parts which are movable relative to one another are offset in the longitudinal direction to half the cross section, so that they result in the full rail cross section in the overlapping regions. Finally, US Pat. No. 4,785,994 already shows a dilatation device in which a control rail with a relatively large radius is deflected and is slidably supported on the outside of a tongue rail. At a Such training does not result in any lane changes in the area of the dilation device and a relatively large displacement path can be implemented with a single dilation device.

Allen bekannten Dilatationsvorrichtungen ist gemeinsam, daß ihre Funktionssicherheit in hohem Maße davon abhängt, daß Kräfte, welche von reinen, in Schienenlängsrichtung wirksamen Schub- bzw. Verschiebekräften abweichen, von der Dilatationsvorrichtung abgehalten werden. Andersartige Belastungen im Bereich der Dilatationsvorrichtung können zu einem Aufsteigen von Schienenteilen führen und bewirken eine deutlich erhöhte Entgleisungsgefahr im Bereich der Dilatationsvorrichtung.All known dilation devices have in common that their functional reliability depends to a large extent on the fact that forces which deviate from pure pushing or shifting forces acting in the longitudinal direction of the rail are prevented from the dilating device. Different types of loads in the area of the dilatation device can lead to the rail parts rising and cause a significantly increased risk of derailment in the area of the dilatation device.

Die Erfindung zielt nun darauf ab, eine Anordnung der eingangs genannten Art zu schaffen, mit welcher in beliebige Dilatationsvorrichtungen, insbesondere in Dilatationsvorrichtungen mit relativ großem zulässigen Verschiebeweg, in einer einzigen Vorrichtung die Verschiebekräfte exakt und lediglich in Schienenlängsrichtung eingebracht werden, wobei weiters die Schienen in denjenigen Bereichen, in welchen sie gleitend an Unterlagsplatten oder Schwellen festgelegt sind, sicher bei geringem Gleitwiderstand in ihrer Lage gehalten werden können. Weiters zielt die erfindungsgemäße Ausbildung darauf ab, im Bereich des Überganges zwischen Tragwerk und Fundament auch bei extremen Belastungen keine die sichere Festlegung und Verankerung der Schienen gefährdende Kräfte auftreten zu lassen und derartige außermittige, nicht in Schienenlängsrichtung wirkende Kräfte ohne Überbeanspruchung von Lagerungsbauteilen von gleitenden Teilen sicher aufnehmen zu können. Zur Lösung dieser Aufgabe besteht die erfindungsgemäße Anordnung im wesentlichen darin, daß das Tragwerk mit dem verschiebbaren Träger unter Zwischenschaltung eines biegeelastischen Verbindungsgliedes kraftschlüssig verbunden, insbesondere verschweißt oder verschraubt, ist. Durch die Verbindung des Tragwerkes, insbesondere Brückentragwerkes, mit einem in Schienenlängsrichtung verschiebbaren Träger unter Zwischenschaltung eines biegeelastischen Verbindungsgliedes wird es möglich, alle außermittigen Kräfte über das biegeelastische Verbindungsglied sicher aufnehmen zu können, so daß die Lagerung des in Längsrichtung verschiebbaren Trägers ebenso wie die Lagerung des Tragwerkes, insbesondere des Brückentragwerkes, in keiner Weise unzulässig übermäßigen Beanspruchungen ausgesetzt wird. Die Verwendung eines biegeelastischen Verbindungsstückes bzw. -gliedes erlaubt es dabei, abweichend von bekannten Konstruktionen, bei welchen die Verbindung nach Art eines Streckenzuges mit deutlich ausgeprägten Knickstellen erfolgt, die Aufnahme von Biegekräften in einer Weise vorzunehmen, daß an keiner Stelle ein unzulässig kleiner Krümmungsradius auftritt. Ein derartig unzulässig kleiner Krümmungsradius, beispielsweise an den Übergangsstellen, hätte zur Folge, daß hohe, in Richtung eines Ausziehens von Verankerungselementen bzw. Teilen zum Festlegen von Schienen wirkende Kräfte auftreten, und die Verwendung des biegeelastischen Zwischengliedes erlaubt hier die in dieser Richtung theoretisch denkbaren Kräfte durch gleichmäßige Verteilung über die Länge des biegeelastischen Zwischengliedes deutlich zu verringern. Gleichzeitig wird naturgemäß die Beanspruchung der Lager des in Längsrichtung gleitend gelagerten Trägers sowie der Tragwerkslagerung bzw. der Brückenlagerung wesentlich verringert. Um diese denkbaren außermittigen Kräfte mit Sicherheit im biegeelastischen Zwischenglied aufnehmen zu können, ist allerdings eine entsprechende Verbindung dieses biegeelastischen Verbindungsgliedes in kraftschlüssiger Weise mit dem Tragwerk und dem verschiebbaren Träger erforderlich, und eine derartige kraftschlüssige Verbindung kann beispielsweise durch Verschweißen oder Verschrauben erfolgen, um sicherzustellen, daß alle nicht in Schienenlängsrichtung wirksamen Kräfte tatsächlich auch vom biegeelastischen Zwischenglied aufgenommen werden müssen.The invention now aims to provide an arrangement of the type mentioned at the outset, with which the displacement forces are introduced exactly and only in the longitudinal direction of the rail in any dilation devices, in particular in dilation devices with a relatively large permissible displacement path, in a single device those areas in which they are slidably attached to base plates or sleepers, can be held securely in place with low sliding resistance. Furthermore, the design according to the invention aims to ensure that, in the area of the transition between the supporting structure and the foundation, even under extreme loads, no forces that could jeopardize the secure fixing and anchoring of the rails occur, and such eccentric forces that do not act in the longitudinal direction of the rails, without overstressing the bearing components of sliding parts to be able to record. To achieve this object, the arrangement according to the invention essentially consists in the fact that the supporting structure is non-positively connected, in particular welded or screwed, to the displaceable carrier with the interposition of a flexible connecting link. By connecting the supporting structure, in particular the bridge supporting structure, to a support which can be displaced in the longitudinal direction of the rail with the interposition a flexurally elastic connecting member, it is possible to safely absorb all eccentric forces via the flexurally elastic connecting member, so that the storage of the longitudinally displaceable carrier as well as the mounting of the supporting structure, in particular the bridge supporting structure, is in no way subjected to unduly excessive stresses. The use of a flexurally elastic connecting piece or link allows, in contrast to known constructions in which the connection is made in the manner of a stretch of line with clearly pronounced kinks, to absorb bending forces in such a way that an inadmissibly small radius of curvature does not occur at any point . Such an impermissibly small radius of curvature, for example at the transition points, would result in high forces acting in the direction of pulling out anchoring elements or parts for fixing rails, and the use of the flexible intermediate link here permits the forces that are theoretically conceivable in this direction to be significantly reduced by uniform distribution over the length of the flexible intermediate member. At the same time, the stress on the bearings of the longitudinally slidable beam and the bearing structure or the bridge bearing is naturally significantly reduced. In order to be able to absorb these conceivable eccentric forces with certainty in the flexible intermediate element, however, a corresponding connection of this flexible connection element in a force-locking manner with the supporting structure and the displaceable carrier is required, and such a positive connection can be made, for example, by welding or screwing to ensure that that all forces not effective in the longitudinal direction of the rail must actually be absorbed by the flexible intermediate member.

In besonders vorteilhafter Weise ist hiebei das biegeelastische Verbindungsglied als Torsionsstab ausgebildet, wobei zur sicheren Abstützung von hohen Lasten in vorteilhafter Weise das biegeelastische Verbindungsglied mit elastischen, insbesondere federnden, Widerlagern zusammenwirkt. Ein derartiger Torsionsstab kann beispielsweise als Rechteckprofilstab ausgebildet sein, wobei die bevorzugte Biegerichtung eines derartigen Rechteckprofiles naturgemäß die Biegung über die Schmalkante des Rechteckprofiles ist. Mit anderen Worten bedeutet dies, daß das Rechteckprofil mit seiner schmäleren Seite in Höhenrichtung zwischen den verschiebbaren Träger und das Tragwerk eingebaut wird und an den Enden stumpf mit diesen Enden verschweißt werden kann. Da bei einem derartig als Rechteckprofil ausgebildeten Torsionsstab die Durchbiegung in Höhenrichtung bei entsprechender Krafteinleitung nicht zuletzt im Hinblick auf das Gewicht des rollenden Materials im Vordergrund steht und in Grenzen zulässig sein soll, ist es vorteilhaft, den zulässigen Verbindeweg progressiv abzustützen. Eine einfache Abstützung kann in Form der bereits genannten federnden Widerlager erfolgen, wobei mit Vorteil eine Progression der wirksam werdenden Abstützkräfte dadurch erzielt werden kann, daß das biegeelastische Verbindungsglied nach einem ersten Teilweg seiner elastischen Verformbarkeit mit den Widerlagern zusammenwirkt. Um sicherzustellen, daß an den Übergangsstellen zu dem verschiebbaren Träger und dem Tragwerk keine übermäßig kleinen Krümmungsradien auftreten können, ist die Ausbildung mit Vorteil so getroffen, daß das biegeelastische Verbindungsglied den verschiebbaren Träger und das Tragwerk in den Bereichen der kraftschlüssigen Verbindung mit diesen übergreift. Zum Unterschied von einer gelenkigen Verbindung wird über die Verschweißung oder Verschraubung hier in jedem Falle sichergestellt, daß die Belastungen im freiliegenden Bereich des biegeelastischen Verbindungsgliedes aufgenommen werden.In a particularly advantageous manner, the flexurally elastic connecting member is designed as a torsion bar, with advantageous support for the safe support of high loads How the flexurally elastic connecting element cooperates with elastic, in particular resilient, abutments. Such a torsion bar can be designed, for example, as a rectangular profile bar, the preferred bending direction of such a rectangular profile naturally being the bend over the narrow edge of the rectangular profile. In other words, this means that the rectangular profile with its narrower side is installed in the vertical direction between the displaceable support and the supporting structure and can be butt-welded at the ends to these ends. Since, in the case of a torsion bar designed in this way as a rectangular profile, the deflection in the vertical direction with a corresponding introduction of force is in the foreground, not least with regard to the weight of the rolling material, and should be permissible within limits, it is advantageous to support the permissible connecting path progressively. A simple support can be provided in the form of the resilient abutments already mentioned, whereby a progression of the supporting forces which take effect can advantageously be achieved in that the flexurally elastic connecting element interacts with the abutments after a first partial path of its elastic deformability. In order to ensure that no excessively small radii of curvature can occur at the transition points to the displaceable support and the supporting structure, the design is advantageously made such that the flexible connection member engages over the displaceable support and the supporting structure in the areas of the non-positive connection with these. In contrast to an articulated connection, the welding or screw connection ensures that the loads are absorbed in the exposed area of the flexurally elastic connecting member.

Die eingangs bereits erwähnten elastischen Widerlager, welche die Biegekräfte zusätzlich sicher abstützen sollen, sind in besonders vorteilhafter Weise so weitergebildet, daß die unterhalb des biegeelastischen Verbindungsgliedes angeordneten elastischen Widerlager in einem Träger angeordnet sind, der am Tragwerk und am verschiebbaren Träger gleitend abgestützt ist. Der theoretisch denkbare Verschiebeweg in der jeweiligen gleitenden Abstützung ist naturgemäß durch die kraftschlüssige Verbindung des biegeelastischen Verbindungsgliedes mit den beiden genannten Teilen begrenzt.The elastic abutments already mentioned at the outset, which are intended to additionally support the bending forces, are developed in a particularly advantageous manner in such a way that the elastic abutments arranged below the flexible connection element are arranged in a carrier which is attached to the Supporting structure and is slidably supported on the movable support. The theoretically conceivable displacement path in the respective sliding support is naturally limited by the non-positive connection of the flexurally elastic connecting member with the two parts mentioned.

Bedingt durch die eingangs genannten und oben bereits ausführlich erläuterten Vorteile der Zwischenschaltung eines biegeelastischen Verbindungsgliedes wird bei einer derartigen Ausbildung der erfindungsgemäßen Einrichtung die Möglichkeit geschaffen, im Anschluß an das biegeelastische Verbindungsglied und im besonderen im Anschluß an den in Schienenlängsrichtung verschiebbaren Träger sicherzustellen, daß ausschließlich axiale Kräfte in die Schienen eingeleitet werden. Es ist prinzipiell möglich, den in Längsrichtung verschiebbaren Träger bereits in Längsrichtung an einem Teil des Fundamentes exakt zu führen, da über das biegeelastische Verbindungsglied keine störenden Kräfte, welche eine derartige Längsführung überbeanspruchen könnten, übertragen werden. Insgesamt wird jedoch damit erreicht, daß die am verschiebbaren Träger starr festgelegten Schienen in ihren Gleitlagerungen in Schienenlängsrichtung, in welchen sie am Fundament bzw. an Schwellen bzw. an an derartigen Schwellen an einem Fundament abgestützten Gleitplatten exakt in Längsrichtung gleitend geführt werden. Die Ausbildung der Gleitplatten kann hiebei so dimensioniert werden, daß sie ausschließlich Verschiebekräfte in Längsrichtung sicher aufnehmen, wobei gleichzeitig der Verschiebewiderstand in Längsrichtung wesentlich geringer gehalten werden kann, da mit außermittigen Beanspruchungen nicht gerechnet werden muß. Mit Vorteil ist die Ausbildung hiebei so getroffen, daß der verschiebbare Träger an seiner dem Tragwerk abgewandten Seite wenigstens eine in Schienenlängsrichtung verlaufende Ausnehmung aufweist, in welche ein Teil des Fundamentes bzw. ein festlandseitiger, starrer Träger eintaucht, wobei die Schienen am verschiebbaren Träger starr und am Fundament bis zur Dilatationsvorrichtung in Schienenlängsrichtung verschiebbar gelagert sind, wobei eine derartige Ausbildung bereits erlaubt, auch den verschiebbaren Träger bereits in exakt definierte Richtung, nämlich in Schienenlängsrichtung, zu führen.Due to the advantages mentioned above and already explained in detail above, the interposition of a flexurally elastic connecting member, with such a configuration of the device according to the invention, the possibility is created to ensure that only axially following the flexurally elastic connecting member and in particular following the displaceable in the longitudinal direction of the rail Forces are introduced into the rails. In principle, it is possible to precisely guide the longitudinally displaceable carrier in the longitudinal direction on a part of the foundation, since no interfering forces which could overstress such a longitudinal guide are transmitted via the flexurally elastic connecting member. Overall, however, it is achieved that the rigidly fixed rails on the sliding support in their sliding bearings in the longitudinal direction of the rails, in which they are guided in the longitudinal direction on the foundation or on sleepers or on such sleepers supported on a foundation. The design of the sliding plates can be dimensioned so that they only reliably absorb displacement forces in the longitudinal direction, while at the same time the displacement resistance in the longitudinal direction can be kept considerably lower, since eccentric loads must not be expected. Advantageously, the design is such that the displaceable support has on its side facing away from the supporting structure at least one recess running in the longitudinal direction of the rail, into which a part of the foundation or a rigid support on the mainland side is immersed, the rails on the displaceable support being rigid and Slidable on the foundation up to the dilator in the longitudinal direction of the rail are stored, such a design already allowing the movable carrier to be guided in a precisely defined direction, namely in the longitudinal direction of the rail.

Die Erfindung wird nachfolgend an Hand von in der Zeichnung schematisch dargestellten Ausführungsbeispielen erläutert. In dieser zeigen: Fig.1 eine Draufsicht auf eine erfindungsgemäße Anordnung zum Verbinden von Schienen; Fig.2 eine schematische Seitenansicht der Ausbildung gemäß Fig.1; die Fig.3, 4 und 5 in vergrößertem Maßstab Schnitte längs der Linien III-III, IV-IV und V-V, wobei jeweils nur eine Schiene im Detail dargestellt ist; Fig.6 einen Teilschnitt nach der Linie VI-VI der Fig.2 durch eine Ausführungsform der Lagerung des biegeelastischen Verbindungsgliedes der erfindungsgemäßen Einrichtung, und Fig.7 eine perspektivische schematische Draufsicht auf eine abgewandelte Ausführungsform der Lagerung des biegeelastischen Verbindungsgliedes in der Anordnung zur Verbindung von Schienen.The invention is explained below with reference to exemplary embodiments schematically illustrated in the drawing. 1 shows a plan view of an arrangement according to the invention for connecting rails; 2 shows a schematic side view of the design according to FIG. 1; 3, 4 and 5 on an enlarged scale, sections along the lines III-III, IV-IV and V-V, only one rail being shown in detail; 6 shows a partial section along the line VI-VI of FIG. 2 through an embodiment of the mounting of the flexible connection element of the device according to the invention, and FIG. 7 shows a perspective schematic plan view of a modified embodiment of the mounting of the flexible connection element in the arrangement for connecting Rails.

Bei der in den Fig.1 und 2 dargestellten Anordnung zum Verbinden von Schienen, beispielsweise im Rahmen einer Brückenübergangskonstruktion, ist mit 1 ein dem Festland bzw. Fundament 2 benachbartes Tragwerk, insbesondere Brückentragwerk, bezeichnet. Bei entsprechend langen Brücken muß ein Längenausgleich über teilweise beträchtliche Strecken, beispielsweise im Ausmaß von 3 m, vorgenommen werden, wobei ein Befahren selbst bei hohen Geschwindigkeiten möglich sein soll.In the arrangement shown in FIGS. 1 and 2 for connecting rails, for example in the context of a bridge transition construction, 1 denotes a supporting structure, in particular a bridge supporting structure, adjacent to the mainland or foundation 2. In the case of bridges of corresponding length, length compensation must be carried out over partially considerable distances, for example to the extent of 3 m, it being possible to drive on even at high speeds.

In der dargestellten Ausführungsform ist am Fundament bzw. Festland 2 ein lediglich in Längsrichtung der Schienen 3 verschiebbarer Träger 4 auf nicht näher dargestellten Gleitlagern verschieblich geführt. Zwischen dem in Schienenlängsrichtung verschiebbaren Träger 4 und dem Tragwerk 1 ist ein biegeelastisches Verbindungsglied 5 angeordnet, welches sowohl mit dem Tragwerk 1 als auch mit dem Träger 4 kraftschlüssig verbunden ist, wobei eine Verschraubung mit 6 angedeutet ist. Anstelle einer Verschraubung kann auch eine Verschweißung zwischen dem Tragwerk 1 und dem biegeelastischen Träger 5 bzw. dem Träger 4 und dem biegeelastischen Verbindungsglied 5 vorgesehen sein. Das biegeelastische Verbindungsglied 5 wirkt weiters mit elastischen, insbesondere federnden Widerlagern in einem Bauteil 7 zusammen, wobei der Widerlager-Bauteil 7 sowohl am Tragwerk 1 als auch am verschiebbaren Träger 4 abgestützt ist. Die Lagerung des biegeelastischen Verbindungsgliedes 5 ist in den Fig.6 und 7 näher dargestellt.In the embodiment shown, a support 4, which can only be moved in the longitudinal direction of the rails 3, is displaceably guided on slide bearings, not shown, on the foundation or mainland 2. Between the carrier 4, which is displaceable in the longitudinal direction of the rail, and the supporting structure 1, a flexurally elastic connecting member 5 is arranged, which is non-positively connected to both the supporting structure 1 and the supporting structure 4, a screw connection being indicated by 6. Instead of a screw connection, a weld can also be used be provided between the structure 1 and the flexible support 5 or the support 4 and the flexible connector 5. The flexurally elastic connecting member 5 also interacts with elastic, in particular resilient abutments in a component 7, the abutment component 7 being supported both on the supporting structure 1 and on the displaceable support 4. The storage of the flexible link 5 is shown in Figures 6 and 7 in more detail.

Wie dies in den nachfolgenden Figuren noch genauer dargestellt werden wird, sind die Schienen 3 am Brückentragwerk 1, am biegeelastischen Verbindungsglied 5 und am in Längsrichtung verschiebbaren Träger 4 jeweils starr festgelegt. Unmittelbar an dem dem verschiebbaren Träger 4 zugewandten Ende des Fundamentes 2 ist eine Dilatationsvorrichtung 8 angeordnet, wobei die starr mit dem Träger 4 verbundenen Schienenenden 10 von einer Zungenvorrichtung 9 abgelenkt werden und entsprechend dem Verschiebeweg bzw. der auszugleichenden Längenänderung über eine entsprechende Länge längs der Ablenkvorrichtung 9 bewegt werden. Die Ablenkvorrichtung weist dabei beispielweise einen Ablenkradius von 150 m auf, wobei es auf diese Weise gelingt, mit einer einzigen Dilatationsvorrichtung selbst große Verschiebelängen auszugleichen. Die Verschiebung der Schienen 3 mit dem in Schienenlängsrichtung verschiebbaren Träger 4 ist dabei durch den strichliert in Fig.2 angedeuteten Schienenbereich 3' angedeutet.As will be shown in more detail in the following figures, the rails 3 are each rigidly fixed on the bridge structure 1, on the flexible connecting link 5 and on the carrier 4 which can be displaced in the longitudinal direction. A dilatation device 8 is arranged directly on the end of the foundation 2 facing the displaceable support 4, the rail ends 10 rigidly connected to the support 4 being deflected by a tongue device 9 and corresponding to the displacement path or the length change to be compensated over a corresponding length along the deflection device 9 are moved. The deflection device has, for example, a deflection radius of 150 m, it being possible in this way to compensate even large displacement lengths with a single dilation device. The displacement of the rails 3 with the carrier 4 which can be displaced in the longitudinal direction of the rail is indicated by the rail region 3 'indicated by the broken line in FIG.

Durch Verwendung des kraftschlüssigen, mit dem Träger 4 sowie mit dem Brückentragwerk verbundenen biegeelastischen Verbindungsgliedes 5 gelingt es, sicherzustellen, daß der Träger 4 nur mehr in Schienenlängsrichtung bewegt wird, so daß eine exakte Führung desselben am Fundament möglich wird. Dabei kann eine Führung sowohl an den Außenflächen 11 als auch an einem vorragenden Fundamentteil 12 bzw. an einem mit dem Fundament 2 verbundenen Träger erfolgen, welcher in eine Ausnehmung des verschiebbaren Trägers 4 eingreift, wobei die Seitenbegrenzung dieser Ausnehmung in Fig.1 mit 13 angedeutet ist.By using the non-positive, with the support 4 and connected to the bridge structure flexible link 5 it is possible to ensure that the support 4 is only moved in the longitudinal direction of the rail, so that it can be guided exactly on the foundation. In this case, guidance can take place both on the outer surfaces 11 and on a projecting foundation part 12 or on a support connected to the foundation 2, which engages in a recess of the displaceable support 4, the side limitation of this recess being indicated by 13 in FIG is.

In den vergrößerten Darstellungen gemäß den Fig.3, 4 und 5 ist die unterschiedliche Festlegung der Schienen 3 in unterschiedlichen Teilbereichen am Fundament 2 bzw. am verschiebbaren Träger 4 näher dargestellt. Dabei ist jeweils nur eine Schiene dargestellt.In the enlarged representations according to FIGS. 3, 4 and 5, the different fixing of the rails 3 in different partial areas on the foundation 2 or on the displaceable carrier 4 is shown in more detail. Only one rail is shown.

Am Fundament 2 ist die Schiene 3 in dem Teilbereich, über welchen eine Verschiebung des in Längsrichtung verschiebbaren Trägers 4 zum Ausgleich von Längendehnungen ermöglicht ist, in Gleitführungen geführt, wobei eine am Fundament bzw. dem mit dem Fundament 2 verbundenen, in Richtung zum verschiebbaren Träger 4 vorragenden Teilbereich 12 eine Gleitplatte 14 vorgesehen ist. Auf einer Seite übergreift die Gleitplatte 14 mit einem Fortsatz 15 den Schienenfuß, während auf der dem Fortsatz 15 gegenüberliegenden Seite eine getrennte, entfernbare Gleitführung 16 vorgesehen ist. Diese Gleitführungen können für die Sicherstellung einer entsprechend geringen Reibung ausgebildet sein, da von den Gleitführungen lediglich in axialer Richtung, d.h. in Schienenlängsrichtung, wirksame Kräfte und Verschiebungen aufgenommen werden müssen.On the foundation 2, the rail 3 is guided in sliding guides in the subarea over which a displacement of the longitudinally displaceable carrier 4 to compensate for longitudinal expansions is made, one on the foundation or that connected to the foundation 2 in the direction of the displaceable carrier 4 protruding portion 12, a slide plate 14 is provided. On one side, the slide plate 14 overlaps the rail base with an extension 15, while a separate, removable slide guide 16 is provided on the side opposite the extension 15. These sliding guides can be designed to ensure a correspondingly low friction, since of the sliding guides only in the axial direction, i.e. in the longitudinal direction of the rail, effective forces and shifts must be absorbed.

In dem in Fig.4 dargestellten Teilbereich ist die Schiene 3 sowohl gleitend am Fundamentfortsatz 12 abgestützt, als auch mit dem verschiebbaren Träger 4 starr verbunden. Die Abstützung am Fundamentfortsatz 12 erfolgt in zu Fig.3 ähnlicher Art und Weise wiederum über eine Gleitvorrichtung 16. Zum Schutz des Fundamentfortsatzes 12 ist dabei ein metallisches Verstärkungsprofil 17 vorgesehen. Die Verbindung der Schiene 3 mit dem verschiebbaren Träger 4 erfolgt über ein Verbindungselement 18, welches sowohl mit dem verschiebbaren Träger 4, wie dies durch eine Verschraubung 19 angedeutet ist, als auch mit der Schiene 3 über eine Verschraubung 20 starr verbunden ist. Das Verbindungselement 18 weist dabei eine Ausnehmung 21 auf, in welche bei Verschiebung des verschiebbaren Trägers 4 in Richtung des Pfeiles 22 in Fig.1 der entsprechende Teilbereich des Fundamentfortsatzes 12 aufgenommen werden kann, wie er strichliert mit 15' angedeutet ist. Aus einer Zusammenschau der Fig.3 und 4 ergibt sich somit, daß der Fundamentfortsatz 12 im in die Ausnehmung 13 des Trägers 4 eintauchenden Bereich abgesetzt ausgebildet ist, wie dies in Fig.1 mit 23 angedeutet ist.In the partial area shown in FIG. 4, the rail 3 is both slidably supported on the foundation extension 12 and rigidly connected to the displaceable support 4. The support on the foundation extension 12 takes place in a manner similar to FIG. 3, again via a sliding device 16. A metal reinforcement profile 17 is provided to protect the foundation extension 12. The rail 3 is connected to the displaceable carrier 4 via a connecting element 18 which is rigidly connected both to the displaceable carrier 4, as indicated by a screw connection 19, and to the rail 3 via a screw connection 20. The connecting element 18 has a recess 21, into which the corresponding portion of the foundation extension 12 can be received when the displaceable carrier 4 is displaced in the direction of the arrow 22 in FIG. as it is indicated by dashed lines at 15 '. A summary of FIGS. 3 and 4 thus shows that the foundation extension 12 is offset in the area that plunges into the recess 13 of the carrier 4, as indicated by 23 in FIG.

In Fig.5 ist die Festlegung der Schiene 3 in jenem Teilbereich am verschiebbaren Träger 4 dargestellt, in welchem die Seitenflächen des verschiebbaren Trägers 4 bei eingeschobener Position, d.h. bei Eindringen des Fundamentfortsatzes 12 in die Ausnehmung im verschiebbaren Träger, unmittelbar in Anlage an die Seitenfläche des Fundamentfortsatzes für eine entsprechende Führung desselben gelangen. Die Schiene ist in diesem Teilbereich wiederum über ein Verbindungselement 18 und eine übliche Klemmplattenbefestigung 29 mit dem Träger 4 starr verbunden.In Figure 5, the fixing of the rail 3 is shown in that part of the sliding support 4 in which the side surfaces of the sliding support 4 when inserted, i.e. upon penetration of the foundation extension 12 into the recess in the displaceable carrier, come directly into contact with the side surface of the foundation extension for appropriate guidance thereof. The rail is again rigidly connected to the carrier 4 in this partial area via a connecting element 18 and a conventional clamping plate attachment 29.

In Fig.6 ist schematisch die Lagerung des biegeelastischen Verbindungsgliedes 5 im Widerlager-Bauteil 7 dargestellt, wobei die Federung dabei schematisch mit 25 angedeutet ist. Das Verbindungsglied weist beispielsweise rechteckigen Querschnitt auf und ist als Torsionsstab ausgebildet, so daß vom Verbindungsglied 5 sämtliche außermittige Belastungen aufgenommen und ausgeglichen werden können und der Träger 4 nur mehr in Schienenlängsrichtung axial beaufschlagt wird. Zur entsprechenden Abstützung einer schematisch angedeuteten Schwelle 24 für die Schiene 3 ist neben dem mit der Schwelle 24 starr verbundenen Verbindungsglied am Widerlager-Bauteil 25 jeweils im Endbereich der Schwellen eine zusätzliche Abstützung 26 vorgesehen.FIG. 6 shows schematically the mounting of the flexurally elastic connecting member 5 in the abutment component 7, the suspension being indicated schematically by 25. The connecting member has, for example, a rectangular cross section and is designed as a torsion bar, so that all off-center loads can be absorbed and compensated by the connecting member 5 and the support 4 is only axially loaded in the longitudinal direction of the rail. For the corresponding support of a schematically indicated threshold 24 for the rail 3, an additional support 26 is provided in each case in the end region of the sleepers in addition to the connecting member rigidly connected to the threshold 24 on the abutment component 25.

In Fig.7 ist eine abgewandelte Ausführungsform der Lagerung des biegeelastischen Verbindungsgliedes 5 dargestellt, wobei anstelle der in den Fig.1 und 2 vorgesehenen Verschraubung zwischen Tragwerk 1 und Verbindungsglied 5 sowie zwischen dem Träger 4 und dem Verbindungsglied 5 in diesem Fall eine Verschweißung 27 vorgesehen ist. Neben dem ähnlich der Ausbildung gemäß Fig.6 ausgebildeten Verbindungsglied mit Rechteckquerschnitt sind elastische Widerlager in Form von quer zum Verbindungsglied 5 verlaufenden Biegeträgern 28 vorgesehen, welche wiederum in einem dem Widerlager-Bauteil 7 entsprechenden Bauteil angeordnet werden können bzw. in aneinander angrenzenden Teilbereichen des Tragwerkes 1 sowie des Trägers 4 gelagert sein können.7 shows a modified embodiment of the mounting of the flexurally elastic connecting member 5, wherein instead of the screw connection provided in FIGS. 1 and 2 between the supporting structure 1 and connecting member 5 and between the carrier 4 and the connecting member 5, a weld 27 is provided in this case is. Besides that, similar to training 6 formed connecting link with a rectangular cross section, elastic abutments in the form of transverse beams 28 extending transversely to the connecting member 5 are provided, which in turn can be arranged in a component corresponding to the abutment component 7 or in adjoining partial areas of the supporting structure 1 and the support 4 can be stored.

Durch Verwendung eines biegeelastischen Verbindungsgliedes 5 ergibt sich die Möglichkeit, bei von der Schienenlängsrichtung abweichenden Relativbewegungen zwischen Tragwerk 1 und verschiebbarem Träger 4 Übergänge mit zu geringen Krümmungsradien zu vermeiden, welche zu einer Lockerung der Schienen bzw. zu einer Zerstörung derselben im Übergangsbereich führen könnten. Der biegeelastische Träger, welcher kraftschlüssig sowohl mit dem Tragwerk 1 als auch mit dem verschiebbaren Träger 4 verbunden ist, stellt jeweils im Anschlußbereich einen stetig verlaufenden Übergang sicher. Das biegeelastische Verbindungsglied 5 wird dadurch durch die elastischen bzw. federnden Widerlager entsprechend unterstützt.By using a flexurally elastic connecting member 5, there is the possibility of avoiding transitions with insufficient radii of curvature in the case of relative movements between the supporting structure 1 and the displaceable support which deviate from the longitudinal direction of the rail, which could lead to loosening of the rails or destruction of the latter in the transition area. The flexible support, which is non-positively connected to both the structure 1 and the displaceable support 4, ensures a continuous transition in the connection area. The flexible link 5 is supported accordingly by the elastic or resilient abutment.

Anstelle der in den Figuren dargestellten Ausführungsform eines Fundamentfortsatzes bzw. eines mit dem Fundament verbundenen Trägers 12, welcher in eine Ausnehmung des verschiebbaren Trägers 4 für dessen Führung eingreift, kann eine Mehrzahl von entsprechenden Fundamentfortsätzen vorgesehen sein, wodurch bei entsprechender Anordnung der Schienenmittelebene relativ zur Trennungsebene zwischen den Fundamentfortsätzen und den Ausnehmungen im verschiebbaren Träger gegebenenfalls in allen Bereichen eine symmetrische Abstützung der Schiene ermöglicht wird.Instead of the embodiment of a foundation extension or a support 12 connected to the foundation, which engages in a recess of the displaceable support 4 for guiding it, a plurality of corresponding foundation extensions can be provided, as a result of which, with a corresponding arrangement of the rail center plane relative to the separation level symmetrical support of the rail is made possible in all areas between the foundation extensions and the recesses in the displaceable support.

Claims (7)

  1. An arrangement for connecting a supporting structure (1), in particular a bridge supporting structure, with a foundation or ground base (2), with rails (3) secured to the supporting structure (1) and rails extending on the foundation or ground base (2) using an expansion device (8) for accommodating movements in the longitudinal direction of the rails, in which between the supporting structure (1) and the foundation or ground base (2) there is disposed a support (4) which is displaceable in the longitudinal direction of the rails and which is coupled to the supporting structure (1) in displacement direction (22), and in which the expansion device (8) is attached on the side of the displaceable support (4) remote from the supporting structure (1), characterised in that the supporting structure (1) is connected in a force-locking manner, in particular welded or screwed, to the displaceable support (4), with the interposition of a flexibly resilient connecting member (5).
  2. An arrangement according to Claim 1, characterised in that the flexibly resilient connecting member (5) is in the form of a torsion bar.
  3. An arrangement according to Claim 1 or 2, characterised in that the flexibly resilient connecting member (5) co-operates with elastic, in particular resilient, abutments (25,28).
  4. An arrangement according to Claim 3, characterised in that the flexibly resilient connecting member (5) cooperates with the abutments (25,28) after initially deforming elastically to a partial extent.
  5. An arrangement according to any one of Claims 1 to 4, characterised in that the flexibly resilient connecting member (5) overlaps the displaceable support (4) and the supporting structure (1) in the regions of the force-locking connection therewith.
  6. An arrangement according to any one of Claims 1 to 5, characterised in that the elastic abutments (25,28) disposed under the flexibly resilient connecting member (5) are disposed in a Support (7) which is slidably supported on the supporting structure (1) and on the displaceable support (4).
  7. An arrangement according to any one of Claims 1 to 6, characterised in that on its side remote from the supporting structure (1) the displaceable support (4) has at least one recess (13) which extends in the longitudinal direction of the rails and into which protrudes a part of the foundation or a rigid support (12) on the ground-base side, wherein the rails are mounted rigidly on the displaceable support (4) and displaceably on the foundation (2) as far the expansion device (8) in the longitudinal direction of the rails.
EP93890011A 1992-01-29 1993-01-28 Arrangement for connecting rails Expired - Lifetime EP0554238B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT145/92 1992-01-29
AT0014592A AT402829B (en) 1992-01-29 1992-01-29 DEVICE FOR CONNECTING RAILS

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EP0554238A1 EP0554238A1 (en) 1993-08-04
EP0554238B1 true EP0554238B1 (en) 1995-03-01

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JP (1) JPH05339901A (en)
AT (1) AT402829B (en)
DE (1) DE59300090D1 (en)
DK (1) DK0554238T3 (en)
ES (1) ES2071537T3 (en)
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ES2071537T3 (en) 1995-06-16
AT402829B (en) 1997-09-25
EP0554238A1 (en) 1993-08-04
DK0554238T3 (en) 1995-07-24
JPH05339901A (en) 1993-12-21
ATA14592A (en) 1997-01-15
HK110397A (en) 1997-08-22
DE59300090D1 (en) 1995-04-06

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