EP1362144B1 - Noise-reducing tooth rack system for a bridging device - Google Patents
Noise-reducing tooth rack system for a bridging device Download PDFInfo
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- EP1362144B1 EP1362144B1 EP02718132A EP02718132A EP1362144B1 EP 1362144 B1 EP1362144 B1 EP 1362144B1 EP 02718132 A EP02718132 A EP 02718132A EP 02718132 A EP02718132 A EP 02718132A EP 1362144 B1 EP1362144 B1 EP 1362144B1
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- rack
- tooth
- arrangement according
- bodies
- tooth rack
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/062—Joints having intermediate beams
Definitions
- the invention relates to a noise-reducing tooth plate arrangement for a device for bridging expansion joints in bridges or similar structures, with a joint between the bridge and the abutment, wherein the tooth plate assembly comprises a plurality of tooth plates with at least one middle plate, which is connectable to a lamella of the bridging device, and wherein the teeth of the toothed plate assembly mesh when moving the slats transversely to their extent.
- Bridge structures are sometimes subject to high expansion due to large temperature fluctuations, as they occur in nature.
- the expansion path that occurs is bridged by expansion bridging constructions in order to enable a safe and safe passage over these expansion joints.
- the total bridging extension path is divided into a single column of max. 70 - 90 mm width (according to national regulations). These gaps must be crossed by the road vehicles. These maximum gap widths are considered reasonable, both in terms of comfort for the vehicles and noise generated during roll over.
- tooth-like plates are fixed so that the teeth of the individual plates engage in pushing together two adjacent slats in the interstices of the adjacent teeth.
- the angulation and design of the teeth is chosen so that two adjacent lamellae can be pushed to block, without touching the tooth flanks of adjacent teeth.
- a disadvantage of the known construction is that between two adjacent lamellae can set a specific position of the tooth plates, in which a between the flanks of adjacent and consecutively lying tooth plates continuous gap can form.
- the size of this gap may be insignificant, since the wheels at any steering angles bridge the gap width by far.
- the formation of continuous columns is a threat, since the tires of these wheels are so narrow that the wheel can sink into the gap and block.
- the tooth plates are formed by plate bodies fastened on the lamella upper sides, which surfaces have a surface whose geometry is changed in relation to their base resting on the lamella.
- the tooth plates can be formed by spaced apart fixed plate bodies, which advantageously have a parallelogram plan view. It is possible that the plate body of individual rhombic bodies are formed, or that the plate body of individual rhomboid-shaped bodies are formed.
- the surface of the respective plate body is enlarged relative to the base surface. This can be z. B. done by the fact that the transverse axis of the rhombic or rhomboid plate body is widened to the base.
- the size of the surface and the base of the respective plate body is the same, wherein the respective plate body has on its surface an enlarged width, but a shortened length. Since a height offset of the slats can not be ruled out, it is provided according to a further advantageous feature of the invention that the pointing substantially in the direction of travel tips of the plate body have a Anfahrschräge. This is particularly advantageous if the expansion joint bridging construction is run over by means of a snowplow. In this case, it must be ensured that the ploughshare does not get caught on one of the toothed plates and damage them.
- Another advantage of the inventive design of the rhombic plate body is obtained when two adjacent lamellae are pushed onto the block. Due to the widening of the surface in the direction of the transverse axis and the shortening of the flat surface in the longitudinal axis of the plate body with the adjoining approach slope, it is possible that the tips of the rhombic plate body engage under the flanks of the adjacent plate body.
- the longitudinal axis of a rhomboid plate body to the longitudinal axis of a rhombic plate body has at least an angle of 15 °.
- a plate body which is parallelogram-shaped, but whose opposite parallel sides are unequal in length.
- Such a design is used for expansion joint bridging constructions in which the blades are not arranged perpendicular to the direction of travel of the vehicles, but at an angle to the same.
- each toothed plate has at least one extending from its top to its bottom opening for attaching a weld.
- the tooth plates can thus be welded to the slats and screw connections or the like, which do not allow a permanent fixation of the tooth plates on the slats and are also susceptible to rust, are avoided.
- the teeth of each tooth plate overhang the joint cantilevered and are dimensioned in length such that when moving two adjacent slats a horizontally extending, freely accessible from above, vertically continuous gap between adjacent tooth plates or a tooth plate and edge plate is achievable to a sealing tape between the slats or slats and edge support to assemble or disassemble.
- the Fig. 1 shows a plan view of a known toothed plate assembly 1.
- On two adjacent slats 2, 3 diamond or rhombic plate body 4, 5, 6, 7 are arranged, wherein each two plate body 1, 7 and 5, 6 a lateral distance of about 20 mm exhibit.
- the lamellae 2, 3 have a distance of about 20 mm from each other, so that Here, a joint gap is formed, which is cantilevered by the tips of the respective plate body 4 to 7.
- a continuous gap 12 is formed, which has approximately a width of 12 mm.
- This gap 12 extends diagonally to the direction of travel, in which the plate-shaped body 4 to 7 are aligned. It will be readily appreciated that this gap 12 presents a hazard to cyclists when a wheel enters and is thereby blocked.
- the tip 8 of the plate body 4 penetrates as far into the gap between the plate body 5 and 6, until it almost reaches the dot-dashed central axis 13 of the blade without the flanks 10, 11 and the opposite edges of the plate body 4, 5 and 6 touch.
- the plate body 19 is shown in a perspective view, and it can be seen that the width of the plate body at its surface 22 along the wide axis 23 is greater than the width of the base 24, with the result that the side edges 25, 26 in the area of the corner 27 spring back, while projecting in the area of the top 28.
- FIG. 5 schematically the plan of the base 24 of the plate body 19 is indicated, which is designed rhomboid-shaped. Turning the longitudinal axis of the plate body 19 by about 20 ° clockwise and thereby moves the tip 28 on a parallel to the transverse axis 23, we obtain the tip 35 of the rhomboid 36 with the longitudinal axis 37 and the unchanged transverse axis 23.
- the rhomboid as the lower form of the parallelogram has opposed equal-length parallel sides, but the adjacent sides are of different lengths.
- the opposite parallel sides and adjacent sides are of equal length.
- the shape of the surface of the plate body 19 is shown in FIG Fig. 1 not shown, however, results from the fact that the corner points 39, 40 are moved by about 8 mm in the direction of the transverse axis 23 to the outside, while the corner points 35 and 38 maintain their position unchanged.
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- Structural Engineering (AREA)
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Abstract
Description
Die Erfindung betrifft eine geräuschreduzierende Zahnplattenanordnung für eine Vorrichtung zum Überbrücken von Dehnfugen bei Brücken oder dergleichen Bauwerken, mit einer Fuge zwischen der Brücke und dem Widerlager, wobei die Zahnplattenanordnung mehrere Zahnplatten mit mindestens einer Mittelplatte umfaßt, die jeweils mit einer Lamelle der Überbrückungsvorrichtung verbindbar ist, und wobei die Zähne der Zahnplattenanordnung beim Verschieben der Lamellen quer zu ihrer Erstreckung ineinander greifen.The invention relates to a noise-reducing tooth plate arrangement for a device for bridging expansion joints in bridges or similar structures, with a joint between the bridge and the abutment, wherein the tooth plate assembly comprises a plurality of tooth plates with at least one middle plate, which is connectable to a lamella of the bridging device, and wherein the teeth of the toothed plate assembly mesh when moving the slats transversely to their extent.
Brückenbauwerke sind durch große Temperaturschwankungen, wie sie in der Natur vorkommen, teilweise hohen Ausdehnungen unterworfen. Der dabei auftretende Ausdehnungsweg wird von Dehnungsfugen-Überbrückungskonstruktionen überbrückt, um zum einen ein ungefährliches und zum anderen ein komfortables Überfahren dieser Dehnungsfugen zu ermöglichen.Bridge structures are sometimes subject to high expansion due to large temperature fluctuations, as they occur in nature. The expansion path that occurs is bridged by expansion bridging constructions in order to enable a safe and safe passage over these expansion joints.
Bei den Dehnfugen-Überbrückungskonstruktionen, die in den letzten 30 Jahren am häufigsten in Straßenbrücken mit mehr als 60 - 80 mm Dehnweg eingebaut wurden, ist der Gesamtbrückendehnweg aufgeteilt auf Einzelspalte von max. 70 - 90 mm Breite (jeweils nach nationaler Vorschrift). Diese Spalte müssen von den Straßenfahrzeugen überfahren werden. Diese maximalen Spaltweiten werden als zumutbar angesehen, sowohl was den Komfort für die Fahrzeuge als auch das beim Überrollen entstehende Geräusch betraf.For the expansion joint bridging constructions that have been most commonly used over the last 30 years in road bridges with more than 60-80 mm extension travel, the total bridging extension path is divided into a single column of max. 70 - 90 mm width (according to national regulations). These gaps must be crossed by the road vehicles. These maximum gap widths are considered reasonable, both in terms of comfort for the vehicles and noise generated during roll over.
Zunehmender Straßenverkehr, dichtere Bebauung bis an die Brücken heran, neuere größere Brücken in Wohn- und Erholungsgebieten und erhöhte Sensibilität der Bevölkerung gegen Lärm ließ den Wunsch nach geräuschärmeren Dehnfugenkonstruktionen aufkommen.Increasing road traffic, denser development up to the bridges, newer larger bridges in residential and recreational areas and increased sensitivity of the population against noise caused the desire for quieter expansion joints constructions.
Es zeigte sich, daß die Schlaggeräusche überwiegend entstehen, wenn die Fahrzeugreifen auf die Kanten der quer zur Fahrtrichtung liegenden Stahlträger (Mittelträger oder Lamellen), die den Gesamtdehnspalt in mehrere kleine Spalte aufteilen, auftreffen. Am lautesten sind die Schlaggeräusche, wenn der Winkel zwischen Dehnfuge und Fahrrichtung 90° beträgt. Je größer die Abweichung von 90° vorhanden ist, umso geringer sind die Geräusche.It has been found that the impact sounds mainly arise when the vehicle tires on the edges of the transverse to the direction of travel steel beams (center beams or slats), which divide the Gesamtdehnspalt into several small gaps. The noises are loudest when the angle between the expansion joint and the direction of travel is 90 °. The greater the deviation of 90 °, the lower the noise.
Auf der Oberseite der Lamellen werden zahnartig ausgebildete Platten derart befestigt, daß die Zähne der einzelnen Platten beim Zusammenschieben zweier benachbarter Lamellen in die Zwischenräume der benachbarten Zähne eingreifen. Die Winkelung und Ausgestaltung der Zähne ist dabei so gewählt, daß zwei benachbarte Lamellen auf Block geschoben werden können, ohne daß sich die Zahnflanken benachbarter Zähne berühren. Vorteilhaft bei dieser Konstruktion ist, daß ein Reifen eines die Dehnfugen-Überbrückungskonstruktion überfahrendes Fahrzeugs nicht auf die Lamellenkante auftrifft, sondern bei einer entsprechenden Überlappung der Zähne auf einen nachfolgenden Zahn auffährt, bevor der vorangehende Zahn verlassen wird. Es hat sich gezeigt, daß hierdurch die Geräuschentwicklung erheblich reduziert werden konnte.On the top of the slats tooth-like plates are fixed so that the teeth of the individual plates engage in pushing together two adjacent slats in the interstices of the adjacent teeth. The angulation and design of the teeth is chosen so that two adjacent lamellae can be pushed to block, without touching the tooth flanks of adjacent teeth. An advantage of this construction is that a tire of a vehicle passing over the expansion joint bridging structure does not impinge on the lamellar edge but, with a corresponding overlap of the teeth, rides on a subsequent tooth before the preceding tooth is left. It has been shown that this noise could be significantly reduced.
Siehe hierzu
Nachteilig bei der bekannten Konstruktion ist allerdings, daß sich zwischen zwei benachbarten Lamellen eine bestimmte Position der Zahnplatten einstellen kann, bei welcher sich ein zwischen den Flanken benachbarter und hintereinander liegender Zahnplatten durchlaufender Spalt ausbilden kann. Für Kraftfahrzeuge mag die Größe dieses Spaltes unbedeutend sein, da die Räder bei jeglichen Lenkwinkeln die Spaltbreite bei weitem überbrücken. Für Radfahrer allerdings, insbesondere von Rennrädern, stellt jedoch die Ausbildung von durchlaufenden Spalten eine Gefährdung dar, da die Reifen dieser Räder so schmal ausgebildet sind, daß das Rad in den Spalt einsinken und blockieren kann.A disadvantage of the known construction, however, is that between two adjacent lamellae can set a specific position of the tooth plates, in which a between the flanks of adjacent and consecutively lying tooth plates continuous gap can form. For motor vehicles, the size of this gap may be insignificant, since the wheels at any steering angles bridge the gap width by far. However, for cyclists, especially racing bikes, but the formation of continuous columns is a threat, since the tires of these wheels are so narrow that the wheel can sink into the gap and block.
Es ist daher Aufgabe der vorliegenden Erfindung, die an sich vorteilhafte bekannte Konstruktion einer Zahnplattenanordnung für eine Dehnfugen-Überbrückungskonstruktion dahingehend mit einfachen Mitteln zu verbessern, daß jegliche Gefährdung für Verkehrsteilnehmer vermieden wird, die die Dehnfugen-Überbrückungskonstruktion überfahren.It is therefore an object of the present invention, the per se advantageous known construction of a tooth plate assembly for an expansion joint bridging construction to the effect to improve with simple means that any danger to road users running over the expansion joint bridging structure is avoided.
Diese Aufgabe wird in vorteilhafter Weise dadurch gelöst, daß die Zahnplatten von auf den Lamellenoberseiten befestigten Plattenkörpern gebildet sind, die eine gegenüber ihrer auf der Lamelle aufliegenden Grundfläche in der Geometrie veränderte Oberfläche aufweisen. Die Zahnplatten können dabei von im Abstand zueinander befestigten Plattenkörpern gebildet sein, die vorteilhaft einen parallelogrammförmigen Grundriß aufweisen. Dabei ist es möglich, daß die Plattenkörper von einzelnen rhombenförmigen Körpern gebildet werden, oder daß die Plattenkörper von einzelnen rhomboidförmigen Körpern gebildet werden.This object is achieved in an advantageous manner in that the tooth plates are formed by plate bodies fastened on the lamella upper sides, which surfaces have a surface whose geometry is changed in relation to their base resting on the lamella. The tooth plates can be formed by spaced apart fixed plate bodies, which advantageously have a parallelogram plan view. It is possible that the plate body of individual rhombic bodies are formed, or that the plate body of individual rhomboid-shaped bodies are formed.
Um eine gegenüber der auf der Lamelle aufliegenden Grundfläche veränderte Geometrie der Oberfläche zu erreichen, ist vorteilhaft vorgesehen, daß die Oberfläche des jeweiligen Plattenkörpers gegenüber der Grundfläche vergrößert ist. Dies kann z. B. dadurch geschehen, daß die Querachse des rhombischen oder rhomboiden Plattenkörpers zur Grundfläche verbreitert ist.In order to achieve a geometry of the surface which is changed with respect to the base surface resting on the lamella, it is advantageously provided that the surface of the respective plate body is enlarged relative to the base surface. This can be z. B. done by the fact that the transverse axis of the rhombic or rhomboid plate body is widened to the base.
Gemäß einem weiteren vorteilhaften Merkmal kann jedoch auch vorgesehen sein, daß die Größe der Oberfläche und der Grundfläche des jeweiligen Plattenkörpers gleich ist, wobei der jeweilige Plattenkörper an seiner Oberfläche eine vergrößerte Breite, dafür aber eine verkürzte Länge aufweist. Da ein Höhenversatz der Lamellen nicht auszuschließen ist, ist es gemäß einem weiteren vorteilhaften Merkmal der Erfindung vorgesehen, daß die im wesentlichen in Fahrtrichtung weisenden Spitzen der Plattenkörper eine Anfahrschräge aufweisen. Das ist insbesondere auch vorteilhaft, wenn die Dehnfugen-Überbrückungskonstruktion mittels eines Schneepflugs überfahren wird. In diesem Fall muß gewährleistet sein, daß die Pflugschar nicht an einer der Zahnplatten hängen bleibt und diese beschädigt. Ein weiterer Vorteil der erfindungsgemäßen Ausgestaltung des rhombenförmigen Plattenkörpers ergibt sich dann, wenn zwei benachbarte Lamellen auf Block geschoben werden. Durch die Verbreiterung der Oberfläche in Richtung der Querachse und die Verkürzung der ebenen Oberfläche in der Längsachse des Plattenkörpers mit der sich daran anschließenden Anfahrschräge ist es möglich, daß die Spitzen der rhombenförmigen Plattenkörper die Flanken der benachbarten Plattenkörper untergreifen.According to a further advantageous feature, however, it can also be provided that the size of the surface and the base of the respective plate body is the same, wherein the respective plate body has on its surface an enlarged width, but a shortened length. Since a height offset of the slats can not be ruled out, it is provided according to a further advantageous feature of the invention that the pointing substantially in the direction of travel tips of the plate body have a Anfahrschräge. This is particularly advantageous if the expansion joint bridging construction is run over by means of a snowplow. In this case, it must be ensured that the ploughshare does not get caught on one of the toothed plates and damage them. Another advantage of the inventive design of the rhombic plate body is obtained when two adjacent lamellae are pushed onto the block. Due to the widening of the surface in the direction of the transverse axis and the shortening of the flat surface in the longitudinal axis of the plate body with the adjoining approach slope, it is possible that the tips of the rhombic plate body engage under the flanks of the adjacent plate body.
Im Vergleich zu einer Situation, bei welcher bei den bekannten Zahnplattenanordnungen diagonal verlaufende Längsspalten zwischen den Zahnplatten entstanden, wird dies bei der erfindungsgemäßen Ausbildung der Zahnplattenanordnung vermieden. Die Spalte sind nicht mehr durchlaufend, sondern werden durch den verbreiterten Teil der Plattenkörper unterbrochen, worauf später im Zusammenhang mit der Figurenbeschreibung noch ausführlich eingegangen wird.Compared to a situation in which in the known tooth plate arrangements diagonal longitudinal gaps between the tooth plates, this is avoided in the inventive design of the tooth plate assembly. The gaps are no longer continuous, but are interrupted by the widened part of the plate body, which will be discussed in detail later in connection with the description of the figures.
Ein weiteres vorteilhaftes Merkmal der Erfindung besteht darin, daß die Längsachse eines rhomboiden Plattenkörpers zur Längsachse eines rhombischen Plattenkörpers wenigstens einen Winkel von 15° aufweist. Es ergibt sich dadurch ein Plattenkörper, der parallelogrammförmig ausgestaltet ist, dessen gegenüberliegenden parallelen Seiten jedoch ungleich lang sind. Eine solche Ausbildung wird für Dehnfugen-Überbrückungskonstruktionen verwendet, bei denen die Lamellen nicht senkrecht zur Fahrtrichtung der Fahrzeuge, sondern in einem Winkel zu denselben angeordnet sind.Another advantageous feature of the invention is that the longitudinal axis of a rhomboid plate body to the longitudinal axis of a rhombic plate body has at least an angle of 15 °. This results in a plate body which is parallelogram-shaped, but whose opposite parallel sides are unequal in length. Such a design is used for expansion joint bridging constructions in which the blades are not arranged perpendicular to the direction of travel of the vehicles, but at an angle to the same.
Schließlich ist in weiterer vorteilhafter Ausgestaltung der Erfindung vorgesehen, daß jede Zahnplatte wenigstens eine sich von ihrer Oberseite zu ihrer Unterseite erstreckende Öffnung zur Anbringung einer Schweißung aufweist. Die Zahnplatten können damit an den Lamellen festgeschweißt werden und Verschraubungen oder dergleichen, die eine dauerhafte Fixierung der Zahnplatten auf den Lamellen nicht ermöglichen und zudem rostanfällig sind, werden vermieden. Die Zähne jeder Zahnplatte überkragen die Fuge freitragend und sind in ihrer Länge derart bemessen, daß beim Verschieben zweier benachbarter Lamellen ein in horizontaler Richtung verlaufender, von oben frei zugänglicher, vertikal durchgehender Spalt zwischen benachbarten Zahnplatten oder einer Zahnplatte und Randplatte erzielbar ist, um ein Dichtband zwischen den Lamellen bzw. Lamellen und Randträger zu montieren bzw. zu demontieren.Finally, it is provided in a further advantageous embodiment of the invention that each toothed plate has at least one extending from its top to its bottom opening for attaching a weld. The tooth plates can thus be welded to the slats and screw connections or the like, which do not allow a permanent fixation of the tooth plates on the slats and are also susceptible to rust, are avoided. The teeth of each tooth plate overhang the joint cantilevered and are dimensioned in length such that when moving two adjacent slats a horizontally extending, freely accessible from above, vertically continuous gap between adjacent tooth plates or a tooth plate and edge plate is achievable to a sealing tape between the slats or slats and edge support to assemble or disassemble.
Weitere Merkmale, Vorteile und Einzelheiten der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung von bevorzugten Ausführungsbeispielen anhand der Zeichnungen. Darin zeigen
- Fig. 1
- eine Zahnplattenanordung mit rautenförmigen Zahnplattenkörpern;
- Fig. 2
- eine erfindungsgemäße Zahnplattenanordnung bei auf Block geschobenen Lamellen;
- Fig. 3
- eine perspektivisch Ansicht eines erfindungsgemäßen Plattenkörpers;
- Fig. 4
- die erfindungsgemäße Zahnplattenanordnung in einer ähnlichen Stellung wie bei der
Fig. 1 , und - Fig. 5
- eine Draufsicht auf einen rhomboidförmigen Plattenkörper.
- Fig. 1
- a Zahnplattenanordung with diamond-shaped Zahnplattenkörpern;
- Fig. 2
- a tooth plate assembly according to the invention with slats pushed on block;
- Fig. 3
- a perspective view of a plate body according to the invention;
- Fig. 4
- the tooth plate assembly according to the invention in a similar position as in the
Fig. 1 , and - Fig. 5
- a plan view of a rhomboid plate body.
Die
Bei der dargestellten Position der Lamellen 2, 3 ist zu erkennen, daß zwischen der rechten Flanke 10 des Plattenkörpers 6 und der linken Flanke 11 des Plattenkörpers 4 ein durchlaufender Spalt 12 gebildet wird, der etwa eine Breite von 12 mm aufweist. Dieser Spalt 12 verläuft diagonal zur Fahrtrichtung, in welcher die plattenförmigen Körper 4 bis 7 ausgerichtet sind. Es ist ohne weiteres zu erkennen, daß dieser Spalt 12 für Radfahrer eine Gefährdung darstellt, wenn ein Rad in diesen Spalt gelangt und dadurch blockiert wird.In the illustrated position of the
Werden die Lamellen 2, 3 auf Block geschoben, dann dringt die Spitze 8 des Plattenkörpers 4 soweit in die Lücke zwischen die Plattenkörper 5 und 6 ein, bis sie nahezu an die strichpunktiert gezeichnete Mittelachse 13 der Lamelle reicht, ohne daß sich die Flanken 10, 11 bzw. die gegenüberliegenden Flanken der Plattenkörper 4, 5 und 6 berühren.If the
Eine solche Situation ist mit der erfindungsgemäßen Zahnplattenanordung in
In der
Bei der in der
In der
- 1. Zahnplattenanordnung1. toothed plate arrangement
- 2. Lamelle2nd lamella
- 3. Lamelle3rd lamella
- 4. Plattenkörper4th plate body
- 5. Plattenkörper5th plate body
- 6. Plattenkörper6th plate body
- 7. Plattenkörper7th plate body
- 8. Spitze, Zahn8. tip, tooth
- 9. Spitze, Zahn9. tip, tooth
- 10. Flanke10th flank
- 11. Flanke11th flank
- 12. Spalt12. split
- 13. Mittelachse der Lamelle13th central axis of the lamella
- 14. Zahnplattenanordnung14. toothed plate arrangement
- 15. Lamelle15th lamella
- 16. Lamelle16th lamella
- 17. Spalt17. Split
- 18. Spalt18. Gap
- 19. Plattenkörper19th plate body
- 20. Plattenkörper20. Plate body
- 21. Plattenkörper21. Plate body
- 22. Oberfläche22. Surface
- 23. Breitenachse23th latitude axis
- 24. Grundfläche24th floor area
- 25. Seitenflanke25th side flank
- 26. Seitenflanke26th side flank
- 27. Ecke27th corner
- 28. Spitze28th peak
- 29. Anfahrschräge29. Approach slope
- 30. Plattenkörper30th plate body
- 31. Spalt31. Gap
- 32. Spalt32. split
- 33. Abstand33. distance
- 34. Längsachse34. longitudinal axis
- 35. Spitze35th peak
- 36. Rhomboid36. Rhomboid
- 37. Längsachse37. longitudinal axis
- 38. Spitze38th peak
- 39. Eckpunkt39th corner point
- 40. Eckpunkt40th corner point
- 41. Öffnung41. opening
Claims (13)
- A tooth rack arrangement for a device for bridging expansion joints in bridges or suchlike structures, with a joint between the bridge and the foundation, wherein the tooth rack arrangement includes several tooth racks with at least one middle rack which in each case is able to be connected to a plate of the bridging device, wherein the teeth of the tooth rack arrangement engage one another when the plates are displaced transverse to their extension and wherein the tooth racks are formed by rack bodies (19, 20, 21, 30) fixed onto the plate upper sides (15, 16), characterised in that the rack bodies (19, 20, 21, 30), due to their configuration, have a surface (22) which is altered in terms of geometry compared to their base (24) which bears on the plate.
- The tooth rack arrangement according to Claim 1, characterised in that the tooth racks are formed by rack bodies (19, 20, 21, 30) which are fixed onto the plate upper sides spaced apart from one another.
- The tooth rack arrangement according to Claims 1 and 2, characterised in that the rack bodies (19, 20, 21, 30) have a parallelogram-shaped outline, or an outline derived from a parallelogram.
- The tooth rack arrangement according to one of the preceding claims, characterised in that the rack bodies are formed by individual rhombus-shaped bodies (19, 20, 21, 30).
- The tooth rack arrangement according to one of the preceding claims, characterised in that the rack bodies are formed by individual rhomboid-shaped bodies (36).
- The tooth rack arrangement according to one of the preceding claims, characterised in that the surface (22) of the respective rack body is reduced compared to the base (27).
- The tooth rack arrangement according to one of the preceding claims 1 to 6, characterised in that the surface (22) of the respective rack body is increased compared to the base (24).
- The tooth rack arrangement according to Claim 7, characterised in that the surface (22) in the transverse axis (23) of the rack body (19) widens relative to the base (24).
- The tooth rack arrangement according to one of the preceding claims 1 to 6, characterised in that the sizes of the surface (22) and the base (24) of the respective rack body (19) are identical, wherein the respective rack body has, at its surface, an increased width and a reduced length.
- The tooth rack arrangement according to one of the preceding claims, characterised in that the tips (28) of the rack bodies(19), which point substantially in the direction of travel, have an approach bevel (29).
- The tooth rack arrangement according to one of the preceding claims, characterised in that the longitudinal axis (37) of a rhomboid rack body (36) has at least an angle of 15° to the longitudinal axis (34) of a rhombic rack body (19).
- The tooth rack arrangement according to one of the preceding claims, characterised in that each rack body (19, 20, 21, 30) has at least one opening (41), which extends from its upper side (22) to its lower side (24), for installing a welding groove.
- The tooth rack arrangement according to one of the preceding claims, characterised in that the tips (28) of each rack body (19, 20, 21, 30) project over the joint between the plates (15, 16) in a self-supporting manner and in respect of their length are dimensioned such that, when the plates are displaced, a vertical continuous gap, which runs in the horizontal direction and is freely accessible from above, can be obtained between adjacent tooth racks or a tooth rack and an edge rack in order to mount or detach a sealing band between the plates or between plates and edge beams.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10108908 | 2001-02-23 | ||
DE10108908A DE10108908B4 (en) | 2001-02-23 | 2001-02-23 | Noise-reducing tooth arrangement for bridging devices |
PCT/EP2002/001576 WO2002068760A1 (en) | 2001-02-23 | 2002-02-14 | Noise-reducing tooth rack system for a bridging device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1362144A1 EP1362144A1 (en) | 2003-11-19 |
EP1362144B1 true EP1362144B1 (en) | 2009-01-07 |
Family
ID=7675339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02718132A Expired - Lifetime EP1362144B1 (en) | 2001-02-23 | 2002-02-14 | Noise-reducing tooth rack system for a bridging device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1362144B1 (en) |
AT (1) | ATE420246T1 (en) |
DE (2) | DE10108908B4 (en) |
DK (1) | DK1362144T3 (en) |
WO (1) | WO2002068760A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011126413A2 (en) | 2011-01-31 | 2011-10-13 | Kozlachkov Sergey Waleriewich | The expansion joint |
DE202013001442U1 (en) | 2013-02-15 | 2013-04-24 | Schreiber Brücken Dehntechnik GmbH | Bridging expansion joints in passable structures |
CN104562928A (en) * | 2015-01-22 | 2015-04-29 | 宁波路宝科技实业集团有限公司 | Sinking preventing type bridge telescoping device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4032958C2 (en) * | 1990-10-17 | 2001-10-18 | Maurer Friedrich Soehne | Device for reducing noise when driving on bridging structures |
DE19705531C2 (en) * | 1997-02-13 | 2001-07-05 | Maurer Friedrich Soehne | Device for bridging expansion joints |
-
2001
- 2001-02-23 DE DE10108908A patent/DE10108908B4/en not_active Expired - Fee Related
-
2002
- 2002-02-14 WO PCT/EP2002/001576 patent/WO2002068760A1/en not_active Application Discontinuation
- 2002-02-14 DE DE50213198T patent/DE50213198D1/en not_active Expired - Lifetime
- 2002-02-14 AT AT02718132T patent/ATE420246T1/en not_active IP Right Cessation
- 2002-02-14 DK DK02718132T patent/DK1362144T3/en active
- 2002-02-14 EP EP02718132A patent/EP1362144B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK1362144T3 (en) | 2009-04-20 |
DE10108908A1 (en) | 2002-09-12 |
WO2002068760A1 (en) | 2002-09-06 |
DE10108908B4 (en) | 2006-03-30 |
DE50213198D1 (en) | 2009-02-26 |
ATE420246T1 (en) | 2009-01-15 |
EP1362144A1 (en) | 2003-11-19 |
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