EP3157794B1 - Rail vehicle comprising a lower base plate having a drainage device - Google Patents

Rail vehicle comprising a lower base plate having a drainage device Download PDF

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Publication number
EP3157794B1
EP3157794B1 EP15756901.3A EP15756901A EP3157794B1 EP 3157794 B1 EP3157794 B1 EP 3157794B1 EP 15756901 A EP15756901 A EP 15756901A EP 3157794 B1 EP3157794 B1 EP 3157794B1
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EP
European Patent Office
Prior art keywords
collecting container
rail vehicle
internal pressure
plate
vehicle according
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.)
Not-in-force
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EP15756901.3A
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German (de)
French (fr)
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EP3157794A1 (en
Inventor
Anja Buchholz-Stieglitz
Mihail Calomfirescu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility GmbH
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Siemens AG
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Publication of EP3157794A1 publication Critical patent/EP3157794A1/en
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Publication of EP3157794B1 publication Critical patent/EP3157794B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/10—Floors

Definitions

  • the invention relates to a rail vehicle having an underbody panel equipped with at least one continuous drainage hole for discharging liquid collected on the underbody panel.
  • the technical environment is on the CN 203637833 U directed.
  • liquids such as spilled drinks, liquid detergents
  • This can cause corrosion of the underbody panel of the rail vehicle.
  • accumulated liquids on the underbody panel must be removed from the rail vehicle. It is particularly important for high-speed rail vehicles that a pressure-tightness of the car bodies according to the UIC 660 standard must be fulfilled.
  • the object of the invention is to further develop a rail vehicle of the type mentioned at the outset, that a substantially automatic drainage of the underbody plate is made possible.
  • an outlet opening of the drainage hole is connected to an inlet opening in an upper side of a collecting container which has such flexible walls that its inner volume and its internal pressure can be changed by the action of external forces occurring during the driving operation of the rail vehicle, wherein the collecting container at its at least one drainage hole associated side has a movable drainage membrane, which is arranged such that it closes the inlet opening of the collecting container with increasing internal pressure from the inside of the collecting container, but releases with decreasing internal pressure, and on a lower wall of the collecting container an outlet membrane is provided which closes an outlet opening in the lower wall of the collecting container with decreasing internal pressure from the outside of the collecting container, but with increasing internal pressure for discharging liquid a us the collection container releases.
  • the use of the collecting container with provided drainage and outlet diaphragm forms an automatic device for dewatering the underbody plate of the rail vehicle. It is designed such that it either admits liquid flowing from the drainage hole into the collecting container or discharges liquid from the collecting container past the outlet membrane while closing the outlet opening of the drainage hole. In this way, a pressure tightness for the drainage of the underbody plate of the rail vehicle is given. It also eliminates manual intervention, as required in the prior art.
  • the top of the collecting container may be formed by a cover plate which is attached to an underside of the underbody plate and having the inlet opening of the collecting container.
  • the intended cover plate can be glued or screwed, for example, to the underside of the underbody plate be.
  • the cover plate is screwed directly into the drainage hole in the region of the inlet opening of the collecting container.
  • the lower wall of the collecting container may be formed as a bottom plate and made of metallic material.
  • the flexible walls of the collecting container may emanate from an outer edge of the bottom plate of the collecting container and extend in the direction of the top of the collecting container. Then, in particular, a generally cylindrical collecting container may result, wherein the side walls of the collecting container are in the manner of a bellows. The end faces of the collecting container are then formed by the cover plate and the bottom plate.
  • the lower wall is partially formed in the manner of a bellows whose outer edges are connected to a circumferential, projecting edge of the cover plate.
  • the required flexibility of the internal volume of the collecting container is not provided by lateral walls thereof, but by a radial portion of the lower wall.
  • FIG. 1 shows a longitudinal section of an underbody panel 1 of a rail vehicle.
  • the underbody plate 1 is equipped with drainage holes, for reasons of clarity in FIG. 1 only one drainage hole 2 is shown as an example.
  • the drainage hole 2 extends perpendicularly through the underbody panel 1 and connects an upper surface of the underbody panel 1, on which liquid derived from the interior of the rail vehicle collects, to an underside of the underbody panel, in an exit opening 3.
  • a collecting container 4 For drainage of the underbody plate 1 a collecting container 4 is provided. Its upper side is formed by a metallic cover plate 5, which has a central inlet opening 6, which adjoins the outlet opening 3 of the drainage hole 2 immediately connected.
  • the cover plate 5 at its the bottom plate 1 side facing a pipe socket 7, the end face abuts against the underside of the bottom plate 1. Radially outward of the pipe socket 7, the cover plate 5 is fixed in the present embodiment by means of an adhesive bond 8 on the underside of the underbody panel 1.
  • other joining methods for the connection between the cover plate 5 and the underside of the bottom plate 1 in question such as welding, soldering or screws.
  • An underside of the collecting container 4 is formed by a metallic bottom plate 9, which has a central outlet opening 10.
  • the collecting container 4 is generally cylindrically symmetrical.
  • the cover plate 5 and the bottom plate 9 are connected to each other via flexible walls.
  • a bellows-like wall 11 is provided, whose upper edge is fixed to the cover plate 5 and the lower edge of the bottom plate 9.
  • the inlet opening 6 of the cover plate 5 is closed with a membrane 12.
  • the membrane 12 is fixed to the cover plate 5 and extends beyond the cross section of the inlet opening 6 to an inner bearing surface 13 of the cover plate 5. In this way, movement of the membrane 12 in the direction of the underbody plate 1 is not possible. In the opposite direction, however, the membrane 12 is deflectable, so that the inlet opening 6 of the cover plate 5 can be released from the drainage hole 2 into the collecting container 4 for a liquid feed.
  • the outlet opening of the bottom plate 9 is closed by a membrane 14 which is fixed to the bottom plate 9, extends beyond the cross section of the outlet opening 10, up to a contact surface 15 on the underside of the bottom plate 9. In this way, the membrane 14 prevented from being deflected toward the underbody panel 1 become. In contrast, however, a deflection in the opposite direction is possible. Then, the cross section of the outlet opening 10 is partially released, so that in the collecting container 4 located liquid can be removed.
  • FIG. 3 causes the action of the force in the direction of arrow 17, an extension of the side wall 11, whereby the internal pressure of the collecting container 4 is reduced and the internal volume of the collecting container 4 increases.
  • the membrane 14 remains in place, as its movement is prevented by the abutment surface 15, while the membrane 12 is deflected inwardly due to the negative pressure.
  • liquid can flow along an arrow 18 in the direction of the inlet opening 6 of the collecting container 4 and past the membrane 12 into the interior of the collecting container 4. This liquid is dissipated when generated by driving in the rail vehicle forces in FIG. 2 illustrated overpressure situation exists.
  • FIG. 4 another embodiment of an underbody panel 20 in combination with a sump 23 is shown. This embodiment differs from that based on the FIGS. 1 to 3
  • a central tube extension 21 of the cover plate 19 is provided with an external thread, which cooperates with an internal thread of a drainage hole 22, ie the cover plate 19 is from below into the drainage hole 22nd screwed.
  • FIG. 5 is a cover plate 24 in the same manner as the cover plate 5 from the FIGS. 1 to 3 attached to an underside of the underbody panel 1.
  • the cover plate 24 has a downwardly projecting, circumferential edge 25 to which a substantially horizontally extending flexible wall 26 is mounted in the manner of a bellows.
  • a bottom plate 27 connects with a central outlet opening 28 to a central opening 30 aligned therewith in the flexible wall 26, so that liquid is discharged from a sump 29 through the opening 30 in the flexible wall 24 and the outlet opening 28 in the bottom plate 27 can.
  • a flat shape of the collecting container 29 results.

Description

Die Erfindung bezieht sich auf ein Schienenfahrzeug mit einer Unterbodenplatte, die mit wenigstens einem durchgehenden Entwässerungsloch zum Abführen von auf der Unterbodenplatte gesammelter Flüssigkeit ausgestattet ist. Zum technischen Umfeld wird auf die CN 203637833 U verwiesen. Insbesondere bei Schienenfahrzeugen zur Personenbeförderung kommt es vor, dass Flüssigkeiten, wie verschüttete Getränke, flüssige Reinigungsmittel, sich auf der Unterbodenplatte des Schienenfahrzeugs ansammeln. Dies kann eine Korrosion der Unterbodenplatte des Schienenfahrzeugs bewirken. Um solches zu verhindern, müssen angesammelte Flüssigkeiten auf der Unterbodenplatte aus dem Schienenfahrzeug abgeführt werden. Dabei kommt es vor allem bei Hochgeschwindigkeits-Schienenfahrzeugen darauf an, dass eine Druckdichtigkeit der Wagenkästen nach der Norm UIC 660 erfüllt sein muss.The invention relates to a rail vehicle having an underbody panel equipped with at least one continuous drainage hole for discharging liquid collected on the underbody panel. The technical environment is on the CN 203637833 U directed. In particular, in rail vehicles for passenger transport, it happens that liquids, such as spilled drinks, liquid detergents, accumulate on the underbody plate of the rail vehicle. This can cause corrosion of the underbody panel of the rail vehicle. To prevent this, accumulated liquids on the underbody panel must be removed from the rail vehicle. It is particularly important for high-speed rail vehicles that a pressure-tightness of the car bodies according to the UIC 660 standard must be fulfilled.

Zur Entwässerung von Unterbodenplatten in Schienenfahrzeugen ist es bekannt, eine Mehrzahl, die Unterbodenplatte durchdringende Entwässerungslöcher vorzusehen, über die angesammelte Flüssigkeiten nach außen geleitet werden können. Dabei besteht die Gefahr, dass die Entwässerungslöcher im Winter durch Eisbildung oder durch Staub und Dreck verstopft werden. Dies erfordert geeignete regelmäßige Reinigungsmaßnahmen. Zur Erfüllung der Dichtigkeitsanforderungen im Hochgeschwindigkeitsbereich müssen zudem die Entwässerungslöcher durch Stopfen oder Schrauben verschlossen werden. Auch hier ist ein manueller Eingriff erforderlich, nämlich indem die Stopfen oder Schrauben regelmäßig geöffnet werden müssen, um die gesammelte Flüssigkeit abfließen zu lassen. Sonst wird der gewünschte Korrosionsschutz für die Unterbodenplatte nicht erzielt. Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, ein Schienenfahrzeug der eingangs genannten Art derart weiterzuentwickeln, dass eine im Wesentlichen selbsttätige Entwässerung der Unterbodenplatte ermöglicht ist.For dewatering underbody panels in rail vehicles, it is known to provide a plurality of drainage holes penetrating the underbody panel through which accumulated liquids can be directed outward. There is a risk that the drainage holes in winter be clogged by ice formation or by dust and dirt. This requires suitable regular cleaning measures. To meet the tightness requirements in the high-speed range, the drainage holes must also be closed by plugs or screws. Again, a manual intervention is required, namely by the plugs or screws must be opened regularly to drain the collected liquid. Otherwise the desired corrosion protection for the underbody panel will not be achieved. Proceeding from this, the object of the invention is to further develop a rail vehicle of the type mentioned at the outset, that a substantially automatic drainage of the underbody plate is made possible.

Diese Aufgabe wird dadurch gelöst, dass eine Austrittsöffnung des Entwässerungslochs an eine Eintrittsöffnung in einer Oberseite eines Sammelbehälters angeschlossen ist, der derart flexible Wandungen aufweist, dass sein Innenvolumen und sein Innendruck durch Einwirkung von im Fahrbetrieb des Schienenfahrzeugs auftretenden äußeren Kräften veränderbar ist, wobei der Sammelbehälter an seiner dem wenigstens einen Entwässerungsloch zugeordneten Seite eine bewegliche Entwässerungsmembran aufweist, die derart angeordnet ist, dass sie die Eintrittsöffnung des Sammelbehälters bei ansteigendem Innendruck von innen des Sammelbehälters verschließt, jedoch bei abfallendem Innendruck freigibt, und an einer unteren Wandung des Sammelbehälters eine Auslassmembran vorgesehen ist, die eine Auslassöffnung in der unteren Wandung des Sammelbehälters bei abfallendem Innendruck von außen des Sammelbehälters verschließt, jedoch bei ansteigendem Innendruck zum Abführen von Flüssigkeit aus dem Sammelbehälter freigibt.This object is achieved in that an outlet opening of the drainage hole is connected to an inlet opening in an upper side of a collecting container which has such flexible walls that its inner volume and its internal pressure can be changed by the action of external forces occurring during the driving operation of the rail vehicle, wherein the collecting container at its at least one drainage hole associated side has a movable drainage membrane, which is arranged such that it closes the inlet opening of the collecting container with increasing internal pressure from the inside of the collecting container, but releases with decreasing internal pressure, and on a lower wall of the collecting container an outlet membrane is provided which closes an outlet opening in the lower wall of the collecting container with decreasing internal pressure from the outside of the collecting container, but with increasing internal pressure for discharging liquid a us the collection container releases.

Der Einsatz des Sammelbehälters mit vorgesehener Entwässerungs- und Auslassmembran bildet eine selbsttätige Vorrichtung zur Entwässerung der Unterbodenplatte des Schienenfahrzeugs. Er ist derart ausgelegt, dass er entweder aus dem Entwässerungsloch einströmende Flüssigkeit in den Sammelbehälter einlässt oder unter Verschluss der Austrittsöffnung des Entwässerungslochs Flüssigkeit aus dem Sammelbehälter an der Auslassmembran vorbei abführt. In dieser Weise ist eine Druckdichtigkeit für die Entwässerung der Unterbodenplatte des Schienenfahrzeugs gegeben. Es entfallen zudem manuelle Eingriffe, wie sie im Stand der Technik erforderlich sind.The use of the collecting container with provided drainage and outlet diaphragm forms an automatic device for dewatering the underbody plate of the rail vehicle. It is designed such that it either admits liquid flowing from the drainage hole into the collecting container or discharges liquid from the collecting container past the outlet membrane while closing the outlet opening of the drainage hole. In this way, a pressure tightness for the drainage of the underbody plate of the rail vehicle is given. It also eliminates manual intervention, as required in the prior art.

Die Oberseite des Sammelbehälters kann von einer Deckplatte gebildet sein, die an einer Unterseite der Unterbodenplatte befestigt ist und die Eintrittsöffnung des Sammelbehälters aufweisen. Die vorgesehene Deckplatte kann beispielsweise mit der Unterseite der Unterbodenplatte verklebt oder verschraubt sein. Insbesondere ist es auch denkbar, dass die Deckplatte im Bereich der Eintrittsöffnung des Sammelbehälters unmittelbar in das Entwässerungsloch eingeschraubt ist.The top of the collecting container may be formed by a cover plate which is attached to an underside of the underbody plate and having the inlet opening of the collecting container. The intended cover plate can be glued or screwed, for example, to the underside of the underbody plate be. In particular, it is also conceivable that the cover plate is screwed directly into the drainage hole in the region of the inlet opening of the collecting container.

Die untere Wandung des Sammelbehälters kann als Bodenplatte ausgebildet und aus metallischem Material hergestellt sein. Durch Wahl eines Materials hoher Dichte lassen sich beispielsweise aufgrund von in Fahrt des Schienenfahrzeugs auftretenden Kräften erhebliche Volumen- und damit auch Innendruckänderungen im Sammelbehälter herbeiführen. Dies fördert eine kontinuierliche Funktion des Sammelbehälters zur Entwässerung der Unterbodenplatte.The lower wall of the collecting container may be formed as a bottom plate and made of metallic material. By choosing a material of high density, for example, due to forces occurring in travel of the rail vehicle considerable volume and thus internal pressure changes in the sump can be brought about. This promotes a continuous function of the sump for dewatering the underbody panel.

Die flexiblen Wandungen des Sammelbehälters können von einem äußeren Rand der Bodenplatte des Sammelbehälters ausgehen und in Richtung auf die Oberseite des Sammelbehälters verlaufen. Dann kann sich insbesondere ein allgemein zylinderförmiger Sammelbehälter ergeben, wobei die Seitenwände des Sammelbehälters in der Art eines Faltenbalgs vorliegen. Die Stirnseiten des Sammelbehälters werden dann von der Deckplatte und der Bodenplatte gebildet.The flexible walls of the collecting container may emanate from an outer edge of the bottom plate of the collecting container and extend in the direction of the top of the collecting container. Then, in particular, a generally cylindrical collecting container may result, wherein the side walls of the collecting container are in the manner of a bellows. The end faces of the collecting container are then formed by the cover plate and the bottom plate.

Alternativ ist es auch möglich, dass die untere Wandung teilweise in der Art eines Faltenbalgs ausgebildet ist, dessen äußere Ränder an einen umlaufenden, vorspringenden Rand der Deckplatte angeschlossen sind. In diesem Fall wird die erforderliche Flexibilität des Innenvolumens des Sammelbehälters nicht durch seitliche Wandungen desselben bereitgestellt, sondern durch einen radialen Abschnitt der unteren Wandung.Alternatively, it is also possible that the lower wall is partially formed in the manner of a bellows whose outer edges are connected to a circumferential, projecting edge of the cover plate. In this case, the required flexibility of the internal volume of the collecting container is not provided by lateral walls thereof, but by a radial portion of the lower wall.

Ausführungsbeispiele der Erfindung werden nachfolgend unter Bezugnahme auf die Zeichnungen noch näher erläutert, wobei funktionsgleiche Komponenten mit derselben Bezugsziffer bezeichnet sind.Embodiments of the invention are explained in more detail below with reference to the drawings, wherein functionally identical components are designated by the same reference numeral.

Es zeigen:

Figur 1
eine schematische Seitenansicht eines Unterbodenplattenabschnitts eines Schienenfahrzeugs mit einer Entwässerungsvorrichtung in einer ersten Ausführungsform,
Figur 2
eine schematische Seitenansicht des Unterbodenplattenabschnitts von Figur 1 in einer ers-ten Betriebsposition,
Figur 3
eine schematische Seitenansicht des Unterbodenplattenabschnitts von Figur 1 in einer zweiten Betriebsposition,
Figur 4
eine schematische Seitenansicht eines Unterbodenplattenabschnitts eines Schienenfahrzeugs mit einer Entwässerungsvorrichtung in einer zweiten Ausführungsform und
Figur 5
eine schematische Seitenansicht eines Unterbodenplattenabschnitts eines Schienenfahrzeugs mit einer Entwässerungsvorrichtung in einer dritten Ausführungsform
Show it:
FIG. 1
FIG. 2 a schematic side view of an underbody panel section of a rail vehicle with a drainage device in a first embodiment, FIG.
FIG. 2
a schematic side view of the underbody plate portion of FIG. 1 in a first operating position,
FIG. 3
a schematic side view of the underbody plate portion of FIG. 1 in a second operating position,
FIG. 4
a schematic side view of an underbody panel portion of a rail vehicle with a dewatering device in a second embodiment and
FIG. 5
a schematic side view of an underbody panel portion of a rail vehicle with a dewatering device in a third embodiment

Figur 1 zeigt einen Längsabschnitt einer Unterbodenplatte 1 eines Schienenfahrzeugs. Die Unterbodenplatte 1 ist mit Entwässerungslöchern ausgestattet, von denen aus Gründen der Übersichtlichkeit in Figur 1 nur ein Entwässerungsloch 2 als Beispiel dargestellt ist. Das Entwässerungsloch 2 verläuft senkrecht durch die Unterbodenplatte 1 hindurch und verbindet eine Oberseite der Unterbodenplatte 1, auf der sich aus dem Innenraum des Schienenfahrzeugs stammende Flüssigkeit sammelt, mit einer Unterseite der Unterbodenplatte, und zwar in einer Austrittsöffnung 3. FIG. 1 shows a longitudinal section of an underbody panel 1 of a rail vehicle. The underbody plate 1 is equipped with drainage holes, for reasons of clarity in FIG. 1 only one drainage hole 2 is shown as an example. The drainage hole 2 extends perpendicularly through the underbody panel 1 and connects an upper surface of the underbody panel 1, on which liquid derived from the interior of the rail vehicle collects, to an underside of the underbody panel, in an exit opening 3.

Zur Entwässerung der Unterbodenplatte 1 ist ein Sammelbehälter 4 vorgesehen. Dessen Oberseite wird von einer metallischen Deckplatte 5 gebildet, die eine zentrale Eintrittsöffnung 6 aufweist, die sich an die Austrittsöffnung 3 des Entwässerungslochs 2 unmittelbar anschließt. Dazu weist die Deckplatte 5 an ihrer der Unterbodenplatte 1 zugewandten Seite einen Rohransatz 7 auf, dessen Stirnseite gegen die Unterseite der Unterbodenplatte 1 stößt. Radial auswärts des Rohransatzes 7 ist die Deckplatte 5 im vorliegenden Ausführungsbeispiel mit Hilfe einer Klebeverbindung 8 an der Unterseite der Unterbodenplatte 1 befestigt. Alternativ kommen auch andere Fügeverfahren für die Verbindung zwischen der Deckplatte 5 und der Unterseite der Unterbodenplatte 1 in Frage, und zwar solche wie Schweißen, Löten oder Schrauben.For drainage of the underbody plate 1 a collecting container 4 is provided. Its upper side is formed by a metallic cover plate 5, which has a central inlet opening 6, which adjoins the outlet opening 3 of the drainage hole 2 immediately connected. For this purpose, the cover plate 5 at its the bottom plate 1 side facing a pipe socket 7, the end face abuts against the underside of the bottom plate 1. Radially outward of the pipe socket 7, the cover plate 5 is fixed in the present embodiment by means of an adhesive bond 8 on the underside of the underbody panel 1. Alternatively, other joining methods for the connection between the cover plate 5 and the underside of the bottom plate 1 in question, such as welding, soldering or screws.

Eine Unterseite des Sammelbehälters 4 wird von einer metallischen Bodenplatte 9 gebildet, die eine zentrale Auslassöffnung 10 aufweist. Der Sammelbehälter 4 ist allgemein zylindersymmetrisch ausgebildet. Die Deckplatte 5 und die Bodenplatte 9 sind über flexible Wandungen miteinander verbunden. Im dargestellten Ausführungsbeispiel ist eine faltenbalgartige Wandung 11 vorgesehen, deren oberer Rand an der Deckplatte 5 und deren unterer Rand an der Bodenplatte 9 befestigt ist.An underside of the collecting container 4 is formed by a metallic bottom plate 9, which has a central outlet opening 10. The collecting container 4 is generally cylindrically symmetrical. The cover plate 5 and the bottom plate 9 are connected to each other via flexible walls. In the illustrated embodiment, a bellows-like wall 11 is provided, whose upper edge is fixed to the cover plate 5 and the lower edge of the bottom plate 9.

In einem Grundzustand des Sammelbehälters 4, wie er in Figur 1 dargestellt ist, ist die Eintrittsöffnung 6 der Deckplatte 5 mit einer Membran 12 verschlossen. Die Membran 12 ist an der Deckplatte 5 befestigt und erstreckt sich über den Querschnitt der Eintrittsöffnung 6 hinaus bis zu einer inneren Anlagefläche 13 der Deckplatte 5. In dieser Weise ist eine Bewegung der Membran 12 in Richtung auf die Unterbodenplatte 1 nicht möglich. In der Gegenrichtung ist die Membran 12 jedoch auslenkbar, so dass die Eintrittsöffnung 6 der Deckplatte 5 für einen Flüssigkeitszulauf aus dem Entwässerungsloch 2 in den Sammelbehälter 4 hinein freigegeben werden kann.In a ground state of the collecting container 4, as in FIG. 1 is shown, the inlet opening 6 of the cover plate 5 is closed with a membrane 12. The membrane 12 is fixed to the cover plate 5 and extends beyond the cross section of the inlet opening 6 to an inner bearing surface 13 of the cover plate 5. In this way, movement of the membrane 12 in the direction of the underbody plate 1 is not possible. In the opposite direction, however, the membrane 12 is deflectable, so that the inlet opening 6 of the cover plate 5 can be released from the drainage hole 2 into the collecting container 4 for a liquid feed.

Die Auslassöffnung der Bodenplatte 9 ist mit einer Membran 14 verschlossen, die an der Bodenplatte 9 befestigt ist, sich über den Querschnitt der Auslassöffnung 10 hinaus erstreckt, und zwar bis zu einer Anlagefläche 15 auf der Unterseite der Bodenplatte 9. In dieser Weise ist die Membran 14 daran gehindert, in Richtung auf die Unterbodenplatte 1 ausgelenkt zu werden. Demgegenüber ist jedoch eine Auslenkung in Gegenrichtung möglich. Dann wird der Querschnitt der Auslassöffnung 10 teilweise freigegeben, so dass in dem Sammelbehälter 4 befindliche Flüssigkeit abgeführt werden kann.The outlet opening of the bottom plate 9 is closed by a membrane 14 which is fixed to the bottom plate 9, extends beyond the cross section of the outlet opening 10, up to a contact surface 15 on the underside of the bottom plate 9. In this way, the membrane 14 prevented from being deflected toward the underbody panel 1 become. In contrast, however, a deflection in the opposite direction is possible. Then, the cross section of the outlet opening 10 is partially released, so that in the collecting container 4 located liquid can be removed.

Die nachstehend erläuterte, im Wesentlichen selbsttätige Funktion des Sammelbehälters 4 als Entwässerungsvorrichtung für die Unterbodenplatte 1 beruht darauf, dass ein in Fahrt befindliches Schienenfahrzeug durch Wechselwirkung mit dem Gleis Schwingungen ausführt, die über die Unterbodenplatte 1 auf den Sammelbehälter 4 übertragen werden. Aufgrund der Massenträgheit der Bodenplatte 9 verursachen vertikal zur Unterbodenplatte 1 wirkende Kräfte eine Veränderung des Innenvolumens und des Innendrucks des Sammelbehälters 4, und zwar durch Streckung oder Stauchung der Seitenwandung 11 in einer Richtung senkrecht zur Unterbodenplatte 1. Die Wirkung von Vertikalkräften auf den Sammelbehälter 4 ist in den Figuren 2 und 3 dargestellt, wobei in Figur 2 ein Pfeil 16 eine in Richtung der Unterbodenplatte 1 wirkende Kraft und in Figur 3 ein Pfeil 17 eine von der Unterbodenplatte 1 weggerichtete Kraft 17 veranschaulicht.The explained below, essentially automatic function of the collecting container 4 as a dewatering device for the underbody plate 1 is based on the fact that an in-motion rail vehicle by interaction with the track performs vibrations that are transmitted to the collecting container 4 via the underbody plate 1. Due to the inertia of the bottom plate 9, forces acting vertically to the underbody plate 1 cause a change in the internal volume and pressure of the reservoir 4 by stretching or compressing the side wall 11 in a direction perpendicular to the bottom plate 1. The effect of vertical forces on the reservoir 4 is in the Figures 2 and 3 shown, in FIG. 2 an arrow 16 a force acting in the direction of the underbody plate 1 and in FIG. 3 an arrow 17 illustrates a force 17 directed away from the underbody panel 1.

Bei dem in Figur 2 gezeigten Betriebszustand verursacht die Kraft 16 eine Stauchung des Sammelbehälters 4 in Richtung auf die Unterbodenplatte 1, wodurch sich im Innenraum des Sammelbehälters 4 ein Überdruck ergibt, während sein Volumen abnimmt. Dieser Überdruck führt dazu, dass die Membran 14 die Auslassöffnung 10 in der Bodenplatte 9 des Sammelbehälters 4 freigibt, so dass Flüssigkeit aus dem Sammelbehälter 4 nach unten/außen entweichen kann. Die die Eintrittsöffnung 6 des Sammelbehälters 4 verschließende Membran 12 verbleibt demgegenüber am Platz, da sie durch die Anlage an der Anlagefläche 13 dem Überdruck nicht nachgeben kann.At the in FIG. 2 shown operating state causes the force 16 a compression of the collecting container 4 in the direction of the lower base plate 1, whereby in the interior of the collecting container 4 results in an overpressure, while its volume decreases. This overpressure causes the membrane 14, the outlet opening 10 in the bottom plate 9 of the collecting container 4 releases, so that liquid can escape from the sump 4 down / outside. By contrast, the membrane 12 occluding the inlet opening 6 of the collecting container 4 remains in place, since it can not yield to the overpressure due to contact with the contact surface 13.

In der Darstellung von Figur 3 bewirkt die Einwirkung der Kraft in Richtung Pfeil 17 eine Streckung der Seitenwandung 11, wodurch sich der Innendruck des Sammelbehälters 4 vermindert und das Innenvolumen des Sammelbehälters 4 zunimmt. Aufgrund des vorliegenden Innendrucks verbleibt die Membran 14 am Platz, da ihre Bewegung durch die Anlagefläche 15 verhindert wird, während die Membran 12 aufgrund des Unterdrucks nach innen ausgelenkt wird. In diesem Fall kann Flüssigkeit entlang eines Pfeiles 18 in Richtung auf die Eintrittsöffnung 6 des Sammelbehälters 4 und an der Membran 12 vorbei in den Innenraum des Sammelbehälters 4 fließen. Diese Flüssigkeit wird abgeführt, wenn durch im Fahrbetrieb des Schienenfahrzeugs erzeugte Kräfte die in Figur 2 veranschaulichte Überdrucksituation vorliegt.In the presentation of FIG. 3 causes the action of the force in the direction of arrow 17, an extension of the side wall 11, whereby the internal pressure of the collecting container 4 is reduced and the internal volume of the collecting container 4 increases. by virtue of of the present internal pressure, the membrane 14 remains in place, as its movement is prevented by the abutment surface 15, while the membrane 12 is deflected inwardly due to the negative pressure. In this case, liquid can flow along an arrow 18 in the direction of the inlet opening 6 of the collecting container 4 and past the membrane 12 into the interior of the collecting container 4. This liquid is dissipated when generated by driving in the rail vehicle forces in FIG. 2 illustrated overpressure situation exists.

In Figur 4 ist eine weitere Ausführungsform einer Unterbodenplatte 20 in Kombination mit einem Sammelbehälter 23 gezeigt. Diese Ausführungsform unterscheidet sich von derjenigen, die anhand der Figuren 1 bis 3 erläutert wurde, ausschließlich durch die Art der Befestigung einer Deckplatte 19 an einer Unterbodenplatte 20. Ein zentraler Rohransatz 21 der Deckplatte 19 ist mit einem Außengewinde versehen, das mit einem Innengewinde eines Entwässerungslochs 22 zusammenwirkt, d. h. die Deckplatte 19 wird von unten in das Entwässerungsloch 22 eingeschraubt.In FIG. 4 another embodiment of an underbody panel 20 in combination with a sump 23 is shown. This embodiment differs from that based on the FIGS. 1 to 3 A central tube extension 21 of the cover plate 19 is provided with an external thread, which cooperates with an internal thread of a drainage hole 22, ie the cover plate 19 is from below into the drainage hole 22nd screwed.

Bei der Ausführungsform nach Figur 5 ist eine Deckplatte 24 in derselben Weise wie die Deckplatte 5 aus den Figuren 1 bis 3 an einer Unterseite der Unterbodenplatte 1 befestigt. Die Deckplatte 24 weist einen nach unten vorspringenden, umlaufenden Rand 25 auf, an den eine im Wesentlichen horizontal verlaufende flexible Wandung 26 in der Art eines Faltenbalgs angebracht ist. Eine Bodenplatte 27 schließt sich mit einer zentralen Auslassöffnung 28 an eine damit fluchtende zentrale Öffnung 30 in der flexiblen Wandung 26 an, so dass Flüssigkeit aus einem Sammelbehälter 29 durch die Öffnung 30 in der flexiblen Wandung 24 und die Auslassöffnung 28 in der Bodenplatte 27 abgeführt werden kann. Bei dieser Ausführungsform ergibt sich eine flache Form des Sammelbehälters 29.In the embodiment according to FIG. 5 is a cover plate 24 in the same manner as the cover plate 5 from the FIGS. 1 to 3 attached to an underside of the underbody panel 1. The cover plate 24 has a downwardly projecting, circumferential edge 25 to which a substantially horizontally extending flexible wall 26 is mounted in the manner of a bellows. A bottom plate 27 connects with a central outlet opening 28 to a central opening 30 aligned therewith in the flexible wall 26, so that liquid is discharged from a sump 29 through the opening 30 in the flexible wall 24 and the outlet opening 28 in the bottom plate 27 can. In this embodiment, a flat shape of the collecting container 29 results.

Claims (6)

  1. Rail vehicle having an underfloor plate (1; 20) which is equipped with at least one continuous drainage hole (2; 22) for discharging liquid collected on the underfloor plate (1; 20), wherein an outlet opening (3) of the drainage hole (2; 22) is connected to an inlet opening (6) in an upper side of a collecting container (4; 23; 29), characterized in that the collecting container has walls (11; 25) of such flexibility that its internal volume and its internal pressure can be changed by the effect of external forces occurring during the running operation of the rail vehicle, wherein the collecting container (4; 23; 29) has, on its side assigned to the at least one drainage hole (2; 22), a movable drainage diaphragm (12) which is arranged in such a way that it closes the inlet opening (6) of the collecting container (4; 23; 29) from inside the collecting container (4; 23; 29) with increasing internal pressure, but releases said opening with falling internal pressure, and a lower wall of the collecting container (4; 23; 29) has provided thereon an outlet diaphragm (14) which is arranged in such a way that it closes an outlet opening (10; 28) in the lower wall of the collecting container (4; 23; 29) from outside the collecting container (4; 23; 29) with falling internal pressure, but releases said opening with increasing internal pressure to discharge liquid out of the collecting container (4; 23; 29).
  2. Rail vehicle according to Claim 1, characterized in that the upper side of the collecting container (4; 23; 29) is formed by a cover plate (5; 19; 24) which is fastened to a lower side of the underfloor plate (1; 20) and which has the inlet opening (6) of the collecting container (4; 23; 29) .
  3. Rail vehicle according to either of Claims 1 and 2, characterized in that the lower wall of the collecting container (4; 23; 29) is designed as a baseplate (9; 27) and is produced from metallic material.
  4. Rail vehicle according to Claim 3, characterized in that the flexible walls (11) emanate from an outer edge of the baseplate of the collecting container (4; 23; 29) and extend in the direction of the upper side of the collecting container (4; 23; 29).
  5. Rail vehicle according to Claim 4, characterized in that the collecting container (4; 23; 29) is designed to be generally cylindrical and the flexible walls (11) of the collecting container (4; 23; 29) are present in the manner of a bellows.
  6. Rail vehicle according to one of Claims 1 to 5, characterized in that the lower wall is designed partially in the manner of a bellows, the outer edges of which are connected to a peripheral, projecting edge of the cover plate (24).
EP15756901.3A 2014-09-04 2015-08-28 Rail vehicle comprising a lower base plate having a drainage device Not-in-force EP3157794B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014217733.2A DE102014217733A1 (en) 2014-09-04 2014-09-04 Rail vehicle with a drainage device having underbody plate
PCT/EP2015/069725 WO2016034505A1 (en) 2014-09-04 2015-08-28 Rail vehicle comprising a lower base plate having a drainage device

Publications (2)

Publication Number Publication Date
EP3157794A1 EP3157794A1 (en) 2017-04-26
EP3157794B1 true EP3157794B1 (en) 2018-07-18

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EP15756901.3A Not-in-force EP3157794B1 (en) 2014-09-04 2015-08-28 Rail vehicle comprising a lower base plate having a drainage device

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EP (1) EP3157794B1 (en)
CN (1) CN207670410U (en)
DE (1) DE102014217733A1 (en)
ES (1) ES2691551T3 (en)
RU (1) RU178589U1 (en)
WO (1) WO2016034505A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201900682QA (en) * 2016-07-27 2019-02-27 Japan Transp Engineering Company Water drain structure for railway vehicles
PL436656A1 (en) * 2021-01-14 2022-07-18 Okb Spółka Z Ograniczoną Odpowiedzialnością Overlay floor for means of transport
AT18148U1 (en) * 2023-02-13 2024-03-15 Eh Holding Gmbh Drainage system with sealing brush

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Publication number Priority date Publication date Assignee Title
DD210483A1 (en) * 1982-09-30 1984-06-13 Masch U Apparatebau Schkeuditz DEVICE FOR HEATING AN AIRCOOL PAN
JPH07186942A (en) * 1993-12-27 1995-07-25 Hitachi Ltd Floor structure of rolling stock
JPH1077672A (en) * 1996-09-03 1998-03-24 Sekisui Chem Co Ltd Drain trap and drain structure
ATE361250T1 (en) * 2005-01-22 2007-05-15 Elze Waggonbau Gmbh & Co Kg VALVE FOR DRAINAGE OF FREIGHT CONTAINERS AND OTHERS
DE102007061253B4 (en) * 2007-12-19 2016-03-24 Airbus Operations Gmbh Aircraft fuselage element
DE102008007748A1 (en) * 2008-02-05 2009-08-06 Evac Gmbh Valve arrangement for gravitational liquid discharge with the overpressure and underpressure phase
CN203637833U (en) * 2013-12-12 2014-06-11 南车长江车辆有限公司 Railway wagon drainage device
RU165879U1 (en) * 2016-05-17 2016-11-10 Открытое акционерное общество "Тверской вагоностроительный завод" (ОАО "ТВЗ") VEHICLE FLOORS

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Publication number Publication date
WO2016034505A1 (en) 2016-03-10
ES2691551T3 (en) 2018-11-27
EP3157794A1 (en) 2017-04-26
RU178589U1 (en) 2018-04-11
CN207670410U (en) 2018-07-31
DE102014217733A1 (en) 2016-03-10

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