EP1323865A2 - Balance construction - Google Patents

Balance construction Download PDF

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Publication number
EP1323865A2
EP1323865A2 EP02028634A EP02028634A EP1323865A2 EP 1323865 A2 EP1323865 A2 EP 1323865A2 EP 02028634 A EP02028634 A EP 02028634A EP 02028634 A EP02028634 A EP 02028634A EP 1323865 A2 EP1323865 A2 EP 1323865A2
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EP
European Patent Office
Prior art keywords
bearing
compensating
plate
sliding
elastic body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02028634A
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German (de)
French (fr)
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EP1323865B1 (en
EP1323865A3 (en
Inventor
Arnulf Stog
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Individual
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Individual
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Priority claimed from DE10244993A external-priority patent/DE10244993B4/en
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Publication of EP1323865A3 publication Critical patent/EP1323865A3/en
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    • 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
    • E01D19/04Bearings; Hinges
    • 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
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/04Bearings; Hinges
    • E01D19/042Mechanical bearings
    • E01D19/047Pot bearings
    • 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
    • E01D19/04Bearings; Hinges
    • E01D19/048Bearings being adjustable once installed; Bearings used in incremental launching
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002Ballastless track, e.g. concrete slab trackway, or with asphalt layers

Definitions

  • the invention relates to a compensating construction, according to the Preamble of claim 1.
  • Such a compensating construction is known from DE-OS 198 06 566 known.
  • This solution is characterized by the fact that Bridges of greater length can accommodate the joint movements can.
  • a compensation plate bridges the joint and in particular becomes the critical end tangent angle of the tracks, the significant and dangerous lifting forces at the rail bases generated, reduced many times over.
  • Such bearings can, for example be realized as large-volume elastomer blocks, or by a combination of a sliding washer and a sliding plate, resting on top of each other and performing the desired movements. In view of the available height, it is necessary the height of such camps, for example, less to keep limited than 200 millimeters.
  • An elastomer body that is under load behaves in terms of its volume change like a non-compressible Liquid. It is known that the elastomer body is concave Manufacture side surfaces so that the side surfaces under load are essentially gaunt. With a correspondingly high load this creates a very soft storage with the possibility of horizontal displacement.
  • elastomer bearings to be provided with embedded horizontal plates that to reduce the deformation. Although the tendency to deform of such an elastomer bearing less. On the other hand such a bearing against shear forces and other forces stiffer so that the load on the elastomer material itself gets even higher.
  • the invention is therefore based on the object of a compensating construction for railway construction according to the generic term of claim 1 to create that is particularly durable without to overwrite the available space, however the costs, especially the maintenance costs, are low should be.
  • the compensating construction according to the invention is characterized by the realization of a pivot bearing. It is particularly cheap if the pivot bearing is combined with a plain bearing. On Plain bearings can be used with suitable materials such as UHMW be extremely long-lasting, being ensured by the combination is that the sliding washer is always parallel to the Is guided.
  • a pivot bearing is basically able to tilt compensate.
  • the pivot bearing can be used, for example, as a point tilt slide bearing be trained.
  • Such a bearing has a socket and a joint head that fit together and are well pressure-resistant.
  • the compensation plate does not interfere with the sliding movement, but taken up harmoniously and without delay by the pivot bearing can be.
  • the hood body connects the pivot bearing and slide bearing and rotary movements both in the longitudinal direction of the rail and in Rail cross direction can be intercepted exactly guided.
  • the Combined rotary and sliding bearing according to the invention offers a low-wear and precise guidance, so that a two-axis angle adjustment is possible.
  • a pivot axis of the preferably extends Pivot bearing according to the invention about a horizontal direction, while the other axis of rotation around the other horizontal direction extends.
  • the combination a pivot bearing with a slide bearing the possibility of height adjustability opened.
  • Another Advantage of the combination of the pivot bearing with the Plain bearings lie in the protective effect of the hood body.
  • the Hood body extends almost semicircular and forms a hood so that it is held captive on the pivot bearing is.
  • the coverage angle is preferably 120 ° to 180 ° and in particular about 160 °.
  • the height adjustability of the pivot bearing also allows in Bearing pressure all for the support of the compensation plate to keep the required plain bearing the same. This will wear out the plain bearing evened out, so the maintenance cost decline.
  • the Plain bearing provided an elastic body, the pivot bearing horizontally surmounted.
  • the elastic body is therefore moment-proof and allows to compensate for the response delay of the pivot bearing that the entire construction is much more durable becomes.
  • an additional vertically calculating elastic body is provided be that also absorbs lateral forces elastically.
  • the permanently deflectable pivot bearing and, if applicable, that Plain bearings are included is the one introduced into the elastic body Load significantly, for example by a power of ten, less than when using pure elastomer bearings.
  • the elastic body if necessary, also between the compensating plate and pivot bearing can be provided, it is according to the invention advantageous embodiment provided the elastic body to integrate in the swivel bearing.
  • the overall height required according to the invention is surprising low that the realization of the compensation structure according to the invention also possible with tight dimensions on site is.
  • the height can be 200 mm or even less be.
  • the ball pressure screw is preferred Point tilt slide bearing sunk in the bearing body, and the bearing forces are over the adjusting nut of the ball pressure screw, the Support nut, added.
  • a compensating construction 10 has in the embodiment 1 on a compensation plate 12, which over several bearings, of which a bearing 14 is shown, not on one bridge abutment or superstructure end supported is.
  • the compensation plate 12 is on its underside in the areas which are to be supported, provided with sliding plate 16, that forms part of a plain bearing 18.
  • the slide bearing 18 also has a slide washer 20 made of a Plastic with low friction coefficients like PTFE. Especially It is favorable if the sliding disk 20 is made of ultra high molecular weight There is polyethylene, which is comparable to PTFE Has coefficient of friction, but much more durable is.
  • the sliding disc 20 is received on a hood body 22, which supports a sealing lip 24, which over the slide washer 20th going out on the slide plate 16 is supported.
  • the educated one Interior is in a manner known per se with lubricant provided, it is also possible to have a lubricant supply for to provide permanent lubrication.
  • the hood body 22 is suitable for a ball pressure screw 26 educated.
  • the ball pressure screw 26 and the hood body 22 form the joint head and socket of a pivot bearing 28.
  • Das Rotary bearing 28 is an adjustment of the ball pressure screw 26 height adjustable.
  • a support nut 30 is provided which partially protrudes into a support plate 32 and partially is supported on the surface of the support plate.
  • the support nut 30, like the ball pressure screw 26, has a hexagon area 34 and 36 on, and by adjusting the relative Angular position between ball pressure screw 26 and support nut 30, the height of the pivot bearing 28 is adjustable.
  • the angular positions can each be via fixing screws 38 and Set 40, which are preferably recessed.
  • the invention Bearing 14 is provided with an elastic body 42.
  • the elastic body 42 especially on the underside of the support plate 40 practically over the entire support plate.
  • It is made of elastomer material and is attached to its Edge areas 44 are concave in the unloaded state.
  • the underside is 46 the support plate 32 for this purpose formed over the entire surface, while at 1 in the embodiment according to FIG Extension of the ball pressure screw 26 is provided. It understands that in the embodiment according to FIG. 1 nevertheless an elastic body can be provided, which is then preferred extends in a ring or, if necessary, on several individual elastic bodies is divided.
  • the support plate 30 is together with the elastic body 42 received in a bearing body 48.
  • the bearing body 48 extends essentially in a cup shape, and the combination of the support plate 32, the elastic body 42 and the bearing body 48 forms a bearing bracket 50 for the bearing 14th
  • a vertical, ring-shaped elastic body 52 is provided, that of elastic support of horizontal forces between the support plate 32 and the bearing body 48 is used. Also the Elastic body 52 has concave side surfaces in the unloaded state on.
  • FIG. 3 shows the manner in which the elastic body 42 and 52 deform under special stress situations can.
  • 3 shows the state of both elastic bodies 42 and 52 shown in the unloaded state.
  • the combination from hood body 22 and ball pressure screw 26 from static friction passes into the sliding friction, in addition to the deflection in the area of the camp chair 50 moments that the inventive Can catch elastic body.
  • the moments are both through the elastic body 42 and partially through the elastic body 52 added, and after the rotary bearing 28 has responded a provision in a manner known per se the absorption of moments, but not in terms of deflection.
  • this brief overshoot allows sure to prevent the track warehouse from going through the Inclination is destroyed or at least badly worn.
  • a special load problem with compensation plates for railway bridges it is that the load is suddenly applied and then there is a combined movement, i.e. both a response of the plain bearing as well as the pivot bearing. According to the invention is exactly this stressful situation by the Elastic body taken into account.
  • FIG. 4 A plan view of the bearing body 48 can be seen from FIG. 4.
  • the bearing body 48 is with four bolts 54 on the Superstructure or the abutment attached. In a circular recess rests the supported on the elastic body 42 and 52 Support plate 32.
  • the recess 56 is also shown, in which the support nut 30 of the ball pressure screw 26 partially included is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The equalization arrangement (10) for bridging a joint within a railway structure comprises an equalization plate (12) and bearing units (14), with each bearing unit consisting of a sliding bearing (18) and a rotary bearing (28).

Description

Die Erfindung betrifft eine Ausgleichskonstruktion, gemäß dem Oberbegriff von Anspruch 1.The invention relates to a compensating construction, according to the Preamble of claim 1.

Eine derartige Ausgleichskonstruktion ist aus DE-OS 198 06 566 bekannt. Diese Lösung zeichnet sich dadurch aus, dass auch bei Brücken größerer Länge die Fugenbewegungen aufgenommen werden können. Eine Ausgleichsplatte überbrückt die Fuge und insbesondere wird der kritische Endtangentenwinkel der Gleise, der erhebliche und gefährliche Abhebekräfte an den Schienenstützpunkten erzeugt, um ein Vielfaches reduziert.Such a compensating construction is known from DE-OS 198 06 566 known. This solution is characterized by the fact that Bridges of greater length can accommodate the joint movements can. A compensation plate bridges the joint and in particular becomes the critical end tangent angle of the tracks, the significant and dangerous lifting forces at the rail bases generated, reduced many times over.

Diese Lösung ist zwar im Grunde ausgesprochen günstig gegenüber den bislang bekannten Lösungen. Bei der Realisierung der sogenannten festen Fahrbahn, also einer schotterfreien Gleisverlegung, sind hohe Anforderungen an die Lager für die Ausgleichsplatte zu stellen. Andererseits dürfen die Kosten nicht zu stark erhöht werden, um die erwarteten Kostenvorteile der festen Fahrbahn gegenüber einer Schotterkonstrukion nicht ins Gegenteil zu verkehren.This solution is basically extremely cheap compared to the previously known solutions. When realizing the so-called solid carriageway, i.e. a ballast-free track laying, are high demands on the bearings for the compensation plate to deliver. On the other hand, the costs must not be too high be increased to the expected cost benefits of the solid carriageway contrary to a ballast construction run.

Aus der genannten Offenlegungsschrift sind für die Lagerung der Ausgleichsplatte auf dem Überbau elastisch oder gleitend verschiebliche Lager bekannt. Derartige Lager können beispielsweise als großvolumige Elastomerblöcke realisiert sein, oder durch eine Kombination aus einer Gleitscheibe und einem Gleitblech, die aufeinander ruhen und die gewünschten Bewegungen ausführen. Im Hinblick auf die zur Verfügung stehende Bauhöhe ist es erforderlich, die Höhe derartiger Lager auf beispielsweise weniger als 200 Millimeter begrenzt zu halten.For the storage of the Compensating plate on the superstructure elastic or sliding Camp known. Such bearings can, for example be realized as large-volume elastomer blocks, or by a combination of a sliding washer and a sliding plate, resting on top of each other and performing the desired movements. In view of the available height, it is necessary the height of such camps, for example, less to keep limited than 200 millimeters.

Ein Elastomerkörper, der unter Last steht, verhält sich hinsichtlich seiner Volumenänderung wie eine nicht-kompressible Flüssigkeit. Es ist bekannt, Elastomerkörper daher mit konkaven Seitenflächen herzustellen, so dass die Seitenflächen unter Belastung im Wesentlichen gerage sind. Bei entsprechend hoher Last entsteht eine recht weiche Lagerung mit der Möglichkeit der Horizontalverschiebung.An elastomer body that is under load behaves in terms of its volume change like a non-compressible Liquid. It is known that the elastomer body is concave Manufacture side surfaces so that the side surfaces under load are essentially gaunt. With a correspondingly high load this creates a very soft storage with the possibility of horizontal displacement.

Andererseits sind derartige Elastomerlager hinsichtlich der Dauerhaltbarkeit eingeschränkt. Die Materialbelastung und Verformung ist nicht unbeachtlich. Zudem entsteht gerade beim Betrieb einer derartigen Ausgleichsplatte im bahnhofsnahen Bereich mit häufigem Lastwechsel eien Walkarbeit, die gerade bei hohen Umgebungstemperaturen für das Elastomerlager belastend wirkt und die Dauerhaltbarkeit weiter reduziert, so dass die gewünschte Haltbarkeit von 20 Jahren bei derartigen Lösungen nicht erreichbar ist.On the other hand, such elastomer bearings are durable limited. The material load and deformation is not irrelevant. In addition, it arises during operation such a compensation plate in the area near the station Frequent load changes involve flexing work, especially at high ambient temperatures for the elastomer bearing and the Durability further reduced, so that the desired durability of 20 years cannot be achieved with such solutions is.

Ferner ist es im anderen Zusammenhang bekannt geworden, Elastomerlager mit eingelagerten horizontalen Platten zu versehen, die die Verformung reduzieren sollen. Zwar ist die Verformungsneigung eines derartigen Elastomerlagers geringer. Andererseits ist ein derartiges Lager gegenüber Scherkräften und anderen Kräften steifer, so dass die Belastung des Elastomermaterials selbst noch höher wird.Furthermore, it has become known in another context, elastomer bearings to be provided with embedded horizontal plates that to reduce the deformation. Although the tendency to deform of such an elastomer bearing less. On the other hand such a bearing against shear forces and other forces stiffer so that the load on the elastomer material itself gets even higher.

Daher liegt der Erfindung die Aufgabe zu Grunde, eine Ausgleichskonstruktion für den Eisenbahnbau gemäß dem Oberbegriff von Anspruch 1 zu schaffen, die besonders dauerhaltbar ist, ohne den zu Verfügung stehenden Bauraum zu überschreiben, wobei dennoch die Kosten, insbesondere auch die Wartungskosten, gering sein sollen. The invention is therefore based on the object of a compensating construction for railway construction according to the generic term of claim 1 to create that is particularly durable without to overwrite the available space, however the costs, especially the maintenance costs, are low should be.

Diese Aufgabe wird erfindungsgemäß durch Anspruch 1 gelöst. Vorteilhafte Weiterbildung ergeben sich aus den Unteransprüchen.This object is achieved by claim 1. advantageous Further training results from the subclaims.

Die erfindungsgemäße Ausgleichskonstruktion zeichnet sich durch die Realisierung eines Drehlagers aus. Besonders günstig ist es, wenn das Drehlager mit einem Gleitlager kombiniert ist. Ein Gleitlager kann bei Verwendung geeigneter Werkstoffe wie UHMW ausgesprochen langlebig sein, wobei durch die Kombination sichergestellt ist, dass die Gleitscheibe stets parallel zum Gleitblech geführt ist.The compensating construction according to the invention is characterized by the realization of a pivot bearing. It is particularly cheap if the pivot bearing is combined with a plain bearing. On Plain bearings can be used with suitable materials such as UHMW be extremely long-lasting, being ensured by the combination is that the sliding washer is always parallel to the Is guided.

Ein Drehlager ist grundsätzlich in der Lage, Schrägstellungen zu kompensieren. Das Drehlager kann beispielsweise als Punktkippgleitlager ausgebildet sein. Ein derartiges Lager weist eine Gelenkpfanne und einen Gelenkkopf aus, die zueinander passen und gut druckbelastbar sind.A pivot bearing is basically able to tilt compensate. The pivot bearing can be used, for example, as a point tilt slide bearing be trained. Such a bearing has a socket and a joint head that fit together and are well pressure-resistant.

Erfindungsgemäß besonders günstig ist es, dass durch die unmittelbar benachbarte Anordnung von Drehlager und Gleitlager Kippbewegungen der Ausgleichsplatte die Gleitbewegung nicht stören, sondern harmonisch und verzögerungsfrei vom Drehlager aufgenommen werden können. In diesem Zusammenhang ist es besonders günstig, wenn der Haubenkörper Drehlager und Gleitlager verbindet und Drehbewegungen sowohl in Schienenlängsrichtung als auch in Schienenquerrichtung exakt geführt abgefangen werden können. Das erfindungsgemäße kombinierte Dreh- und Gleitlager bietet eine verschleißarme und exakte Führung, so dass eine zweiachsige Winkelanpassung ermöglicht ist.According to the invention, it is particularly favorable that the direct Adjacent arrangement of pivot bearing and slide bearing tilting movements the compensation plate does not interfere with the sliding movement, but taken up harmoniously and without delay by the pivot bearing can be. In this context, it is particularly beneficial if the hood body connects the pivot bearing and slide bearing and rotary movements both in the longitudinal direction of the rail and in Rail cross direction can be intercepted exactly guided. The Combined rotary and sliding bearing according to the invention offers a low-wear and precise guidance, so that a two-axis angle adjustment is possible.

Bevorzugt erstreckt sich dementsprechend eine Schwenkachse des erfindungsgemäßen Drehlagers um eine horizontale Richtung, während sich die andere Drehachse um die andere horizontale Richtung erstreckt.Accordingly, a pivot axis of the preferably extends Pivot bearing according to the invention about a horizontal direction, while the other axis of rotation around the other horizontal direction extends.

Erfindungsgemäß besonders günstig ist es, dass die Kombination eines Drehlagers mit einem Gleitlager die Möglichkeit der Höhenverstellbarkeit eröffnet. Dies stellt einen signifikanten Vorteil des erfindungsgemäß besonders günstigen Punktkippgleitlagers gegenüber sogenannten Kalottengleitlagern dar. Ein weiterer Vorteil der erfindungsgemäßen Kombination des Drehlagers mit dem Gleitlager liegt in der Schutzwirkung des Haubenkörpers. Der Haubenkörper erstreckt sich nahezu halbkreisförmig und bildet eine Haube, so dass er unverlierbar auf dem Drehlager gehalten ist. Der Überdeckungswinkel beträgt bevorzugt 120° bis 180° und insbesondere etwa 160°.According to the invention, it is particularly favorable that the combination a pivot bearing with a slide bearing the possibility of height adjustability opened. This represents a significant advantage the point tilt slide bearing which is particularly favorable according to the invention compared to so-called spherical plain bearings. Another Advantage of the combination of the pivot bearing with the Plain bearings lie in the protective effect of the hood body. The Hood body extends almost semicircular and forms a hood so that it is held captive on the pivot bearing is. The coverage angle is preferably 120 ° to 180 ° and in particular about 160 °.

Die Höhenverstellbarkeit des Drehlagers ermöglicht es auch, in Auflagerdruck sämtlicher für die Abstützung der Ausgleichsplatte erforderlicher Gleitlager gleich zu halten. Damit wird der Verschleiß der Gleitlager vergleichmäßigt, so dass die Wartungskosten sinken.The height adjustability of the pivot bearing also allows in Bearing pressure all for the support of the compensation plate to keep the required plain bearing the same. This will wear out the plain bearing evened out, so the maintenance cost decline.

In einer bevorzugten Ausgestaltung ist zusätzlich unterhalb des Gleitlagers ein Elastikkörper vorgesehen, der das Drehlager horizontal überragt. Der Elastikkörper ist damit momentensicher und erlaubt es, die Ansprechverzögerung des Drehlagers so kompensieren, dass die gesamte Konstruktion wesentlich langlebiger wird.In a preferred embodiment, is also below the Plain bearing provided an elastic body, the pivot bearing horizontally surmounted. The elastic body is therefore moment-proof and allows to compensate for the response delay of the pivot bearing that the entire construction is much more durable becomes.

Es versteht sich, das erfindungsgemäß die genaue Ausgestaltung des Elastikkörpers in weiten Bereichen an die Erfordernisse anpassbar ist. In vorteilhafter Ausgestaltung kann beispielsweise ein zusätzlicher sich vertikal erstrechender Elastikkörper vorgesehen sein, der auch Seitenkräfte elastisch aufnimmt.It is understood that the exact design according to the invention of the elastic body can be adapted to requirements in a wide range is. In an advantageous embodiment, for example an additional vertically calculating elastic body is provided be that also absorbs lateral forces elastically.

Nachdem die Wesentlichen Lagerkräfte aber erfindungsgemäß durch die dauerhaft auslenkbaren Drehlager und gegebenenfalls das Gleitlager aufgenommen werden, ist die in den Elastikkörper eingeleitete Belastung deutlich, beispielsweise um eine Zehnerpotenz, geringer als bei der Verwendung reiner Elastomerlager.After the essential bearing forces according to the invention the permanently deflectable pivot bearing and, if applicable, that Plain bearings are included, is the one introduced into the elastic body Load significantly, for example by a power of ten, less than when using pure elastomer bearings.

Während der Elastikkörper bei Bedarf auch zwischen Ausgleichsplatte und Drehlager vorgesehen sein kann, ist es in erfindungsgemäß vorteilhafter Ausgestaltung vorgesehen, den Elastikkörper in dem Lagerstuhl des Drehlagers zu integrieren.During the elastic body, if necessary, also between the compensating plate and pivot bearing can be provided, it is according to the invention advantageous embodiment provided the elastic body to integrate in the swivel bearing.

Durch eine Höhenverstellbarkeit des Drehlagers lässt sich eine Einjustierung vor Ort auch bei schwierigen Einbausituationen realisieren.One can be adjusted by adjusting the height of the pivot bearing On-site adjustment even in difficult installation situations realize.

Überraschend ist die erfindlungsgemäß erforderliche Bauhöhe so gering, dass die Realisierung der erfindungsgemäßen Ausgleichskonstruktion auch bei knappen bauseitigen Dimensionierungen möglich ist. Beispielsweise kann die Bauhöhe 200 mm oder sogar weniger betragen. Bevorzugt ist hierzu die Kugeldruckschraube des Punktkippgleitlagers in dem Lagerkörper versenkt, und die Lagerkräfte werden über Stellmutter der Kugeldruckschraube, die Stützmutter, aufgenommen.The overall height required according to the invention is surprising low that the realization of the compensation structure according to the invention also possible with tight dimensions on site is. For example, the height can be 200 mm or even less be. For this purpose, the ball pressure screw is preferred Point tilt slide bearing sunk in the bearing body, and the bearing forces are over the adjusting nut of the ball pressure screw, the Support nut, added.

Weitere Vorteile, Einzelheiten und Merkmale ergeben sich aus der nachstehenden Beschreibung zweier Ausführungsbeispiele an Hand der Zeichnungen:Further advantages, details and features emerge from the the following description of two embodiments on hand of the drawings:

Es zeigen:

Fig. 1
einen Schnitt durch einen Teil einer erfindungsgemäßen Ausgleichskonstruktion in einer Ausführungsform;
Fig. 2
einen Schnitt durch die Ausführungsform gemäß Fig. 1 jedoch in einer anderen Darstellung;
Fig. 3
eine Detailvergrößerung aus Fig. 2; und
Fig. 4
eine Draufsicht auf den unteren Teil des erfindungsgemäßen Lagers.
Show it:
Fig. 1
a section through part of a compensating structure according to the invention in one embodiment;
Fig. 2
a section through the embodiment of Figure 1 but in a different representation.
Fig. 3
an enlarged detail of Fig. 2; and
Fig. 4
a plan view of the lower part of the bearing according to the invention.

Eine Ausgleichskonstruktion 10 weist in dem Ausführungsbeispiel gemäß Fig. 1 eine Ausgleichsplatte 12 auf, die über mehrere Lager, von denen ein Lager 14 dargestellt ist, auf einem nicht dargestellten Brücken-Widerlager oder Überbauende abgestützt ist.A compensating construction 10 has in the embodiment 1 on a compensation plate 12, which over several bearings, of which a bearing 14 is shown, not on one bridge abutment or superstructure end supported is.

Die Ausgleichsplatte 12 ist an ihrer Unterseite in den Bereichen, die abgestützt werden sollen, mit Gleitblech 16 versehen, das ein Teil eines Gleitlager 18 bildet.The compensation plate 12 is on its underside in the areas which are to be supported, provided with sliding plate 16, that forms part of a plain bearing 18.

Das Gleitlager 18 weist ferner eine Gleitscheibe 20 aus einem Kunststoff mit geringen Reibungskoeffizienten wie PTFE auf. Besonders günstig ist es, wenn die Gleitscheibe 20 aus ultrahochmolekularem Polyethylen besteht, das eine mit PTFE vergleichbaren Reibungskoeffizienten aufweist, jedoch wesentlich dauerhafter ist.The slide bearing 18 also has a slide washer 20 made of a Plastic with low friction coefficients like PTFE. Especially It is favorable if the sliding disk 20 is made of ultra high molecular weight There is polyethylene, which is comparable to PTFE Has coefficient of friction, but much more durable is.

Die Gleitscheibe 20 ist auf einem Haubenkörper 22 aufgenommen, der eine Dichtlippe 24 abstützt, die über die Gleitscheibe 20 hinausgehend sich auf dem Gleitblech 16 abstützt. Der so gebildete Innenraum ist in an sich bekannter Weise mit Gleitmittel versehen, wobei es auch möglich ist, einen Gleitmittelvorrat für die Dauerschmierung bereitzustellen.The sliding disc 20 is received on a hood body 22, which supports a sealing lip 24, which over the slide washer 20th going out on the slide plate 16 is supported. The educated one Interior is in a manner known per se with lubricant provided, it is also possible to have a lubricant supply for to provide permanent lubrication.

Der Haubenkörper 22 ist passend zu einer Kugeldruckschraube 26 ausgebildet. Die Kugeldruckschraube 26 und der Haubenkörper 22 bilden Gelenkkopf und Gelenkpfanne eines Drehlagers 28. Das Drehlager 28 ist über einen Verstellung der Kugeldruckschraube 26 höheneinstellbar. Hierzu ist eine Stützmutter 30 vorgesehen, die in eine Stützplatte 32 teilweise hineinragt und sich teilweise auf der Oberfläche der Stützplatte abstützt. Die Stützmutter 30 weist ebenso wie die Kugeldruckschraube 26 einen Sechskantbereich 34 und 36 auf, und durch eine Verstellung der relativen Winkelposition zwischen Kugeldruckschraube 26 und Stützmutter 30 ist die Höhe des Drehlagers 28 einstellbar.The hood body 22 is suitable for a ball pressure screw 26 educated. The ball pressure screw 26 and the hood body 22 form the joint head and socket of a pivot bearing 28. Das Rotary bearing 28 is an adjustment of the ball pressure screw 26 height adjustable. For this purpose, a support nut 30 is provided which partially protrudes into a support plate 32 and partially is supported on the surface of the support plate. The support nut 30, like the ball pressure screw 26, has a hexagon area 34 and 36 on, and by adjusting the relative Angular position between ball pressure screw 26 and support nut 30, the height of the pivot bearing 28 is adjustable.

Die Winkelpositionen lassen sich je über Fixierschrauben 38 und 40 einstellen, die bevorzugt versenkt ausgeführt sind. The angular positions can each be via fixing screws 38 and Set 40, which are preferably recessed.

Aus Fig. 2 ist ersichtlich, in welcher Weise das erfindungsgemäße Lager 14 mit einem Elastikkörpers 42 versehen ist. Der Elastikkörper 42 erstrecht sich an der Unterseite der Stützplatte 40 praktisch über die gesamte Stützplatte hinweg. In an sich bekannter Weise besteht er aus Elastomermaterial und is an seinen Randbereichen 44 in unbelasteten Zustand konkav ausgebildet.From Fig. 2 it can be seen in what way the invention Bearing 14 is provided with an elastic body 42. The elastic body 42, especially on the underside of the support plate 40 practically over the entire support plate. In a known way It is made of elastomer material and is attached to its Edge areas 44 are concave in the unloaded state.

In dem Ausführungsbeispiel gemäß Fig. 2 ist die Unterseite 46 der Stützplatte 32 hierzu vollflächig ausgebildet, während bei der Ausführungsform gemäß Fig. 1 eine Duchtrittsausnehmung in Verlängerung der Kugeldruckschraube 26 vorgesehen ist. Es versteht sich, dass bei der Ausführungsform gemäß Fig. 1 dennoch ein Elastikkörper vorgesehen sein kann, der sich dann bevorzugt ringförmig erstreckt oder bei Bedarf auf mehrere Einzel-Elastikkörper aufgeteilt ist.In the exemplary embodiment according to FIG. 2, the underside is 46 the support plate 32 for this purpose formed over the entire surface, while at 1 in the embodiment according to FIG Extension of the ball pressure screw 26 is provided. It understands that in the embodiment according to FIG. 1 nevertheless an elastic body can be provided, which is then preferred extends in a ring or, if necessary, on several individual elastic bodies is divided.

Wie auf Fig. 2 ersichtlich ist, ist die Stützplatte 30 zusammen mit dem Elastikkörper 42 in einem Lagerkörper 48 aufgenommen. Der Lagerkörper 48 erstreckt sich im Wesentlichen napfförmig, und die Kombination aus der Stützplatte 32, dem Elastikkörper 42 und dem Lagerkörper 48 bildet einen Lagerstuhl 50 für das Lager 14.As can be seen in FIG. 2, the support plate 30 is together with the elastic body 42 received in a bearing body 48. The bearing body 48 extends essentially in a cup shape, and the combination of the support plate 32, the elastic body 42 and the bearing body 48 forms a bearing bracket 50 for the bearing 14th

Wie aus Fig. 2, aber auch aus Fig. 3, ersichtlich ist, ist zusätzlich ein vertikaler, ringförmiger Elastikkörper 52 vorgesehen, der der elastischen Abstützung von Horizontalkräften zwischen der Stützplatte 32 und dem Lagerkörper 48 dient. Auch der Elastikkörper 52 weist in unbelastetem Zustand konkave Seitenflächen auf.As can be seen from FIG. 2, but also from FIG. 3, is additional a vertical, ring-shaped elastic body 52 is provided, that of elastic support of horizontal forces between the support plate 32 and the bearing body 48 is used. Also the Elastic body 52 has concave side surfaces in the unloaded state on.

Aus Fig. 3 ist ersichtlich, in welcher Weise die Elastikkörper 42 und 52 sich bei besonderen Belastungssituationen verformen können. Im Bereich der Fig. 3 oben ist der Zustand beider Elastikkörper 42 und 52 in unbelastetem Zustand dargestellt. Demgegenüber ist in Fig. 3 im unteren Bereich der Zustand der Elastikkörper 42 und 52 dargestellt, der erreicht wird, wenn eine Belastung der Brücke durch beispielsweise einen Zug eine Schrägstellung der Ausgleichsplatte einleitet. Bis die Kombination aus Haubenkörper 22 und Kugeldruckschraube 26 von der Haftreibung in die Gleitreibung übergeht, entstehen neben der Einfederung im Bereich des Lagerstuhls 50 Momente, die der erfindungsgemäße Elastikkörper auffangen kann.3 shows the manner in which the elastic body 42 and 52 deform under special stress situations can. 3 shows the state of both elastic bodies 42 and 52 shown in the unloaded state. In contrast, is the state of the elastic body in Fig. 3 in the lower region 42 and 52, which is achieved when one Loading the bridge, for example, by a train Inclination of the compensation plate initiates. Until the combination from hood body 22 and ball pressure screw 26 from static friction passes into the sliding friction, in addition to the deflection in the area of the camp chair 50 moments that the inventive Can catch elastic body.

Bei der Ausführungsform gemäß Fig. 3 werden die Momente sowohl durch den Elastikkörper 42 als auch partiell durch den Elastikkörper 52 aufgenommen, und nach Ansprechen der Drehlager 28 erfolgt in an sich bekannter Weise eine Rückstellung hinsichtlich der Aufnahme von Momenten, jedoch nicht hinsichtlich der Einfederung. Dieses kurzzeitige Überschwingen erlaubt es andererseits, sicher zu verhindern, dass das Gleislager durch die Schrägstellung zerstört oder mindestens stark abgenützt wird. Ein besonderes Belastungsproblem bei Ausgleichsplatten für Eisenbahnbrücken ist es, dass die Lasteinleitung plötzlich erfolgt und dann als kombinierte Bewegung vorliegt, also sowohl ein Ansprechen des Gleitlagers als auch des Drehlagers verlangt. Erfindungsgemäß wird genau dieser Belastungssituation durch den Elastikkörper Rechnung getragen.In the embodiment according to FIG. 3, the moments are both through the elastic body 42 and partially through the elastic body 52 added, and after the rotary bearing 28 has responded a provision in a manner known per se the absorption of moments, but not in terms of deflection. On the other hand, this brief overshoot allows sure to prevent the track warehouse from going through the Inclination is destroyed or at least badly worn. A special load problem with compensation plates for railway bridges it is that the load is suddenly applied and then there is a combined movement, i.e. both a response of the plain bearing as well as the pivot bearing. According to the invention is exactly this stressful situation by the Elastic body taken into account.

Aus Fig. 4 ist eine Draufsicht auf den Lagerkörper 48 ersichtlich. Der Lagerkörper 48 ist mit vier Schraubbolzen 54 an dem Überbau oder dem Widerlager befestigt. In einer kreisrunden Ausnehmung ruht die über die Elastikkörper 42 und 52 abgestützte Stützplatte 32.A plan view of the bearing body 48 can be seen from FIG. 4. The bearing body 48 is with four bolts 54 on the Superstructure or the abutment attached. In a circular recess rests the supported on the elastic body 42 and 52 Support plate 32.

In Fig. 4 ist ferner die Ausnehmung 56 dargestellt, in welcher die Stützmutter 30 der Kugeldruckschraube 26 teilweise aufgenommen ist.4, the recess 56 is also shown, in which the support nut 30 of the ball pressure screw 26 partially included is.

Claims (11)

Ausgleichskonstruktion zum Überbrücken einer Fuge im Eisenbahnbau, mit einer Ausgleichsplatte und Lagern für diese, über welche die Ausgleichsplatte auf Überbauenden oder einem Überbauende und einem Widerlager, insbesondere einer Brücke, drehbeweglich gelagert ist, wobei die Lager gleit- oder elastisch beweglich ausgeführt sind, dadurch gekennzeichnet, dass das Lager (14) ein Drehlager (28) und ein Gleitlager (18) aufweist.Compensating structure for bridging a joint in railway construction, with a compensating plate and bearings for this, via which the compensating plate is rotatably mounted on superstructures or a superstructure and an abutment, in particular a bridge, the bearings being designed to be slidable or elastically movable, characterized that the bearing (14) has a rotary bearing (28) and a plain bearing (18). Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gleitlager (18) zwischen dem Drehlager (28) und der Ausgleichsplatte (12) ausgebildet ist. Compensating structure according to one of the preceding claims, characterized in that the sliding bearing (18) is formed between the pivot bearing (28) and the compensating plate (12). Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drehlager (28) als höhenverstellbares Lager ausgebildet ist.Compensating structure according to one of the preceding claims, characterized in that the pivot bearing (28) is designed as a height-adjustable bearing. Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drehlager (28) als Punktkippgleitlager ausgebildet ist.Compensating construction according to one of the preceding claims, characterized in that the rotary bearing (28) is designed as a point-tilt sliding bearing. Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gleitlager (18) oberhalb des Drehlagers (28) in an sich bekannter Weise aus einer Gleitscheibe (20) besteht, die auf Gleitblechen (16) gleitet, wobei die Gleitscheibe (20) insbesondere aus ultrahoch molekularen Polyethylen gefertigt ist.Compensating structure according to one of the preceding claims, characterized in that the slide bearing (18) above the pivot bearing (28) consists in a manner known per se of a slide disc (20) which slides on slide plates (16), the slide disc (20) in particular is made of ultra high molecular weight polyethylene. Ausgleichskonstruktion nach Anspruch 5, dadurch gekennzeichnet, dass das Gleitlager (18) gekammert ist und insbesondere eine Dichtlippe sich über die Gleitscheibe (28) hinweg zu dem Gleitblech (16) erstreckt und auf diesem gleitet.Compensating construction according to claim 5, characterized in that the sliding bearing (18) is chambered and in particular a sealing lip extends over the sliding disc (28) to the sliding plate (16) and slides thereon. Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Haubenkörper (22) und eine Kugeldruckschraube (26) des Drehlagers (28) ein Kugelgelenk bilden, dessen Lagerfläche einen Winkel von 120° bis 180°, insbesondere etwa 160° einnehmen.Compensating structure according to one of the preceding claims, characterized in that a hood body (22) and a ball pressure screw (26) of the rotary bearing (28) form a ball joint, the bearing surface of which form an angle of 120 ° to 180 °, in particular approximately 160 °. Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Elastikkörper (42) sich im Wesentlichen platten- oder schichtförmig unter dem Drehlager (28) erstreckt.Compensating structure according to one of the preceding claims, characterized in that an elastic body (42) extends substantially in the form of a plate or layer under the rotary bearing (28). Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drehlager (28) eine Kugeldruckschraube (26) aufweist, die in einer Stützmutter (30) gelagert ist, über welche das Drehlager höhenverstellbar ist. Compensating construction according to one of the preceding claims, characterized in that the rotary bearing (28) has a ball pressure screw (26) which is mounted in a support nut (30), by means of which the rotary bearing can be adjusted in height. Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Elastikkörper als Teil eines Lagerstuhls (50) des Drehlagers (28) ausgebildet ist und zwischen einer Stützplatte (32) und einem Lagerkörper (48) im Wesentlichen vollflächig aufgenommen ist.Compensating construction according to one of the preceding claims, characterized in that the elastic body is designed as part of a bearing bracket (50) of the rotary bearing (28) and is received essentially over the entire area between a support plate (32) and a bearing body (48). Ausgleichskonstruktion nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drehlager (28) auf dem Elastikkörper abgestützt ist, der insbesondere aus Elastomer besteht.Compensating construction according to one of the preceding claims, characterized in that the rotary bearing (28) is supported on the elastic body, which consists in particular of elastomer.
EP02028634A 2001-12-21 2002-12-20 Balance construction Expired - Lifetime EP1323865B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10163422 2001-12-21
DE10163422 2001-12-21
DE10244993 2002-09-26
DE10244993A DE10244993B4 (en) 2001-12-21 2002-09-26 compensation structure

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EP1323865A2 true EP1323865A2 (en) 2003-07-02
EP1323865A3 EP1323865A3 (en) 2004-01-14
EP1323865B1 EP1323865B1 (en) 2006-09-27

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Cited By (1)

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CN110055826A (en) * 2019-04-28 2019-07-26 中铁二院工程集团有限责任公司 A kind of enhanced ballast bed structure of cutting cogwheel railway and construction method

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DE801730C (en) * 1948-11-27 1951-01-22 Gutehoffnungshuette Oberhausen Pivot bearing for folding bridges
DE2461325B1 (en) * 1974-12-24 1976-04-01 Kober Ag Plain bearings for bridges or similar structures
DE2746490C3 (en) * 1977-10-15 1982-05-19 Friedrich Maurer Söhne GmbH & Co KG, 8000 München Bridging device for expansion joints in bridges or the like.
US6324795B1 (en) * 1999-11-24 2001-12-04 Ever-Level Foundation Systems, Inc. Seismic isolation system between floor and foundation comprising a ball and socket joint and elastic or elastomeric element

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DE19806566A1 (en) 1998-02-17 1999-08-19 Pfeifer Compensation plate for expansion joints in railway bridges

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110055826A (en) * 2019-04-28 2019-07-26 中铁二院工程集团有限责任公司 A kind of enhanced ballast bed structure of cutting cogwheel railway and construction method
CN110055826B (en) * 2019-04-28 2023-09-22 中铁二院工程集团有限责任公司 Construction method of cutting rack rail reinforced track bed structure

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EP1323865B1 (en) 2006-09-27
ATE340896T1 (en) 2006-10-15
DE50208246D1 (en) 2006-11-09
EP1323865A3 (en) 2004-01-14

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