EP2371658B1 - Coupling head for a rail-guided vehicle - Google Patents
Coupling head for a rail-guided vehicle Download PDFInfo
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- EP2371658B1 EP2371658B1 EP10002942.0A EP10002942A EP2371658B1 EP 2371658 B1 EP2371658 B1 EP 2371658B1 EP 10002942 A EP10002942 A EP 10002942A EP 2371658 B1 EP2371658 B1 EP 2371658B1
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- Prior art keywords
- coupling head
- coupling
- lever
- lever element
- counter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G3/00—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements
- B61G3/16—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements with coupling heads rigidly connected by rotatable hook plates or discs and balancing links, the coupling members forming a parallelogram, e.g. "Scharfenberg" type
- B61G3/20—Control devices, e.g. for uncoupling
Definitions
- the invention relates to a coupling head for a track-guided vehicle, in particular rail vehicle, according to the preamble of the independent claim 1.
- the invention relates to a coupling head for a track-guided vehicle for forming a mechanical connection with a matching mating coupling head, wherein the coupling head has a locking element which serves to prevent inadvertent release of the mechanical connection between the coupling head and a coupling head coupled to the coupling head.
- the locking element is movable from a first position, in which a release of the mechanical connection between the coupling head and the counter-coupling head is prevented, to a second position, in which a release of the mechanical connection between the coupling head and the counter-coupling head is made possible.
- the generic coupling head on a first and a second actuating element which are each movable vertically to the coupling direction relative to the coupling head and connected to the locking element such that upon movement of the actuating elements relative to the coupling head, the locking element from its first to its second position and conversely is convertible.
- a lever element which has a first region to which an end portion of the first actuating element is articulated such that upon pivoting of the lever member, the first actuating element vertically to Coupling direction is moved relative to the coupling head, wherein the lever element further comprises a second region for cooperation with an end portion of a second actuating element coupled to the coupling head, identical counter-coupling head such that upon pivoting of the lever member, the second actuating element of the counter-coupling head vertical to the coupling direction relative to the Counter-coupling head is movable.
- Such a coupling head is already known, at least in principle, from the prior art.
- a coupling head of a central buffer coupling of the type Georg Fischer is called.
- a mechanism for releasing the mechanical connection between two mutually coupled coupling heads is used in so-called Georg Fischer couplings (GF coupling), which is structurally and functionally comparable to the mechanism described above consisting of locking element, first actuating element, second actuator and lever member.
- GF coupling is structurally and functionally comparable to the mechanism described above consisting of locking element, first actuating element, second actuator and lever member.
- uncoupling can be effected either automatically or manually.
- Coupling heads of GF couplings each have a locking element to prevent inadvertent release of the mechanical connection between two coupled coupling heads. Accordingly, the mechanical connection between two coupled coupling heads of a GF coupling is secured by two locking elements. To release this connection consequently both locking elements must be opened.
- Mechanisms for releasing two coupling heads are known from the prior art, wherein usually a common lever element is used, which is in operative connection with the locking elements of both coupling heads, so that they are released simultaneously upon actuation of the lever member.
- a common lever element with which an actuating element of the coupling on the one hand and an actuating element of the counter-coupling on the other hand cooperate, represents an easy-to-implement and effective solution with which the uncoupling is executable.
- Fig. 1 a known from the prior art coupling head 100 of the type Georg Fischer shown in a coupled with an identical mating coupling head 100 'state.
- the coupling head 100 has a lever element 104 for releasing the mechanical connection between the coupling head 100 and the mating coupling head 100 '.
- the lever element 104 has a first region 104 a, where it is connected to the upper end region of a first actuating element 102.
- the connection point between the lever element 104 and the first actuating element 102 determines in this case the vertical axis of rotation about which the lever element 104 is pivotable.
- the lever element 104 rests on the upper end region of a second actuating element 103 '.
- the two actuating elements 102, 103 ' are each connected to a locking element 101, 101'.
- the locking elements 101, 101 ' serve to non-positively connect the coupling heads 100, 100' with each other.
- the lever element 104 is deflected in the direction of the arrow, as a result of which the first actuating element 102, which is connected to the lever element 104 on the first region 104a, is pulled vertically out of the coupling head 100. Since the first actuating element 102 is directly connected to the locking element 101, a force transmission takes place, which transfers the locking element 101 from a first, closed position to a second, opened position.
- the second actuating element 103 'of the counter-coupling head 100' is pressed into the counter-coupling head 100 'by the reaction force on the second region 104b of the lever element 104.
- the second actuating element 103 ' is also connected to a locking element 101' and is also used to transfer the locking element 101 'from a first closed position to a second opened position.
- FIG. 1 illustrated second actuator 103 'is accordingly connected to the locking element 101' of the mating coupling head 100 '.
- the invention has the object, a coupling head of the type mentioned in such a way that even under high tensile forces a smooth release of the coupling connection is made possible.
- the solution according to the invention is characterized in that in a coupling head of the type mentioned further, a bearing is provided for supporting the lever member between the first and the second region such that the lever member is pivotable about a predetermined vertical axis.
- a horizontal axis of rotation is defined for the lever element between its first and its second region, wherein two degrees of translational freedom of the lever element are fixed or at least be predetermined in advance, so that the lever element can only be given away around the axis of rotation.
- the bearing has a vertically aligned shaft which defines the vertical pivot axis of the lever element. It is conceivable that the shaft is releasably secured to the coupling head. This makes it possible that, for example, a conventional coupling head, wherein in the coupled state with a counter-coupling head synchronous operation of the locking elements is not guaranteed, can be retrofitted in a simple manner.
- the shaft it is conceivable to releasably secure the shaft to a housing frame on the coupling head, wherein the housing frame has a gap in which the lever element is mounted rotatably parallel to the coupling plane around the shaft.
- the geometry of the housing frame can be chosen in a particularly advantageous manner so that the range of the rotational movement of the lever member is limited to the required angle for coupling and decoupling angle range.
- the bearing provided for supporting the lever element bearing has a shaft which is received in a groove extending in the coupling direction such that the shaft is guided during pivoting of the lever member in the coupling direction to compensate for a change in length of the lever arm between the Shaft and the first portion of the lever member to which the end portion of the first actuating element is articulated.
- the first actuator Upon deflection of the lever member is on the first actuator transmit a force to the locking element. Since the first actuating element can be moved in a preferred manner only vertical to the coupling direction relative to the coupling head, it is therefore preferred to form the lever element which is connected to the actuating element so that the circular movement of the lever element can be converted into a vertical movement. This can be realized in a simple and cost-effective manner by the guidance of the shaft in a groove extending in the coupling direction.
- the lever element is provided with a slot in which the first actuating element is releasably secured. Through the slot, the first actuator can be safely and yet rotatably mounted on the lever element. Preferably, the first actuating element is screwed to the lever element. As a result, a robust connection of the two parts is achieved, which is easily solvable for possible repairs.
- a guide is provided on the end region of the second actuating element for guiding the second region of a lever element belonging to the mating coupling head during pivoting of the lever element belonging to the mating coupling head relative to the end region of the second actuating element.
- the guide has a guide groove extending in the coupling direction.
- Fig. 1 a known from the prior art coupling head 100 of the type Georg Fischer shown in a coupled with an identical mating coupling head 100 'state.
- the coupling heads 100, 100 'are under tensile load during the decoupling process Therefore, there is the danger in the solution known from the prior art that one of the actuating elements 102, 103 'jams and the associated locking element 101, 101' can not thereby be opened.
- the other, not jammed actuator 102, 103 ' is still moving and the corresponding locking element 101, 101' unlocked. Then, the entire tensile load on the locking element 101, 101 'of the other coupling head 100, 100' is transmitted. This has the consequence that the coupling heads 100, 100 'are not readily decoupled.
- Fig. 2 shows a plan view of a half of an exemplary embodiment of a coupling head 20 of the present invention in the coupled state.
- the coupling head 20 serves to form a mechanical connection with an identical counter-coupling head 20 '.
- the coupling head 20 on a locking element 1, which serves to prevent unintentional release of the mechanical connection between the coupling head 20 and coupled to the coupling head 20 counter-coupling head 20 '.
- the locking element 1 from a first position in which a release of the mechanical connection between the coupling head 20 and the mating coupling head 20 'is prevented, in a second position in which a release of the mechanical connection between the coupling head 20th and the mating head 20 'is movable.
- a lever member 4 is provided, which has a first portion 4a, to which an end portion of the first actuating element 2 is articulated such that upon pivoting of the lever member 4, the first actuating element 2 is moved vertically to the coupling direction L relative to the coupling head 20.
- the lever element 4 also has a second region 4b, which cooperates with an end region of a second actuating element 3 'of an identical counter-coupling head 20' coupled to the coupling head 20 such that upon pivoting of the lever element 4, the second actuating element 3 'of the counter-coupling head 20' is vertical to the coupling direction L relative to the counter-coupling head 20 'is movable.
- the coupling head 20 is characterized in that a bearing 5 is also provided for supporting the lever element 4 between the first and the second region 4a, 4b such that the lever element 4 is pivotable about a predeterminable vertical axis.
- the bearing 5 has a vertically aligned shaft 6, as a result, the vertical pivot axis of the lever member 4 is fixed, the shaft 6 is preferably releasably attached to the coupling head 20.
- the shaft 6 is received in a extending in the coupling direction L groove 7 such that the shaft 6 is guided during pivoting of the lever member 4 in the coupling direction L to compensate for a change in length of the lever arm between the shaft 6 and the first portion 4a of the lever member 4, on which the end portion of the first actuating element 2 is articulated.
- the lever member 4 can only move as long as both actuators 2, 3 'are movable.
- the second actuator 3 'of the mating coupling head 20' not be movable, the pivoting of the lever member 1 and thus the extraction of the first actuating element 2 is prevented in the coupling head 20 according to the invention, since the shaft 6 is not substantially movable in the horizontal direction.
- the first actuating element 2 is also activated again. Because of this it is guaranteed that both locking elements 1, 1 'can be opened synchronously at any time.
- Fig. 3 shows a plan view of a half of the exemplary embodiment of the coupling head according to Fig. 2 when uncoupling.
- the first actuating element 2 is pulled out of the coupling head 20, while the second actuating element 3 'is pressed into the counter-coupling head 20'.
- the shaft 6 Since the actuating elements 2, 3 'are movable exclusively vertically to the coupling axis L, the shaft 6 must be displaceable in the coupling direction L in order to compensate for a shortening of the lever arm between the shaft 6 and the first region 4 a of the lever element 4 when the lever element 4 is pivoted can.
- the front region of the lever element 4 preferably moves in a groove 9 located at the upper end region of the second actuating element 3. By the latter, it is possible for the second region of the lever element 4 to be in optimum operative contact with the upper end region of the second actuating element 3, the counter-coupling , comes in.
- Fig. 4 shows a perspective, schematic view of a coupling head according to the invention during decoupling
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Description
Die Erfindung betrifft einen Kupplungskopf für ein spurgeführtes Fahrzeuges, insbesondere Schienenfahrzeug, gemäß dem Oberbegriff des unabhängigen Patentanspruches 1.The invention relates to a coupling head for a track-guided vehicle, in particular rail vehicle, according to the preamble of the
Demgemäß betrifft die Erfindung einen Kupplungskopf für ein spurgeführtes Fahrzeug zum Ausbilden einer mechanischen Verbindung mit einem baugleichen Gegenkupplungskopf, wobei der Kupplungskopf ein Riegelelement aufweist, das dazu dient ein unbeabsichtigtes Lösen der mechanischen Verbindung zwischen dem Kupplungskopf und einem mit dem Kupplungskopf gekuppelten Gegenkupplungskopf zu verhindern. Das Riegelelement ist von einer ersten Position, in welcher ein Lösen der mechanischen Verbindung zwischen dem Kupplungskopf und dem Gegenkupplungskopf verhindert wird, in eine zweite Position, in welcher ein Lösen der mechanischen Verbindung zwischen dem Kupplungskopf und dem Gegenkupplungskopf ermöglicht wird, bewegbar. Ferner weist der gattungsgemäße Kupplungskopf ein erstes und ein zweites Betätigungselement auf, welche jeweils vertikal zur Kupplungsrichtung relativ zu dem Kupplungskopf bewegbar und derart mit dem Riegelelement verbunden sind, dass bei einer Bewegung der Betätigungselemente relativ zu dem Kupplungskopf das Riegelelement von seiner ersten zu seiner zweiten Position und umgekehrt überführbar ist. Um die Betätigungselemente relativ zu dem Kupplungskopf bewegen zu können ist ferner ein Hebelelement vorgesehen, welches einen ersten Bereich aufweist, an welchem ein Endbereich des ersten Betätigungselements derart angelenkt ist, dass beim Verschwenken des Hebelelements das erste Betätigungselement vertikal zur Kupplungsrichtung relativ zu dem Kupplungskopf bewegt wird, wobei das Hebelelement ferner einen zweiten Bereich aufweist zum Zusammenwirken mit einem Endbereich eines zweiten Betätigungselements eines mit dem Kupplungskopf gekuppelten, baugleichen Gegenkupplungskopfes derart, dass beim Verschwenken des Hebelelements das zweite Betätigungselement des Gegenkupplungskopfes vertikal zur Kupplungsrichtung relativ zu dem Gegenkupplungskopf bewegbar ist.Accordingly, the invention relates to a coupling head for a track-guided vehicle for forming a mechanical connection with a matching mating coupling head, wherein the coupling head has a locking element which serves to prevent inadvertent release of the mechanical connection between the coupling head and a coupling head coupled to the coupling head. The locking element is movable from a first position, in which a release of the mechanical connection between the coupling head and the counter-coupling head is prevented, to a second position, in which a release of the mechanical connection between the coupling head and the counter-coupling head is made possible. Furthermore, the generic coupling head on a first and a second actuating element which are each movable vertically to the coupling direction relative to the coupling head and connected to the locking element such that upon movement of the actuating elements relative to the coupling head, the locking element from its first to its second position and conversely is convertible. In order to move the actuating elements relative to the coupling head, a lever element is further provided, which has a first region to which an end portion of the first actuating element is articulated such that upon pivoting of the lever member, the first actuating element vertically to Coupling direction is moved relative to the coupling head, wherein the lever element further comprises a second region for cooperation with an end portion of a second actuating element coupled to the coupling head, identical counter-coupling head such that upon pivoting of the lever member, the second actuating element of the counter-coupling head vertical to the coupling direction relative to the Counter-coupling head is movable.
Ein derartiger Kupplungskopf ist zumindest dem Prinzip nach bereits aus dem Stand der Technik bekannt. Als Beispiel hierzu sei ein Kupplungskopf einer Mittelpufferkupplung der Bauart Georg-Fischer genannt.Such a coupling head is already known, at least in principle, from the prior art. As an example, a coupling head of a central buffer coupling of the type Georg Fischer is called.
Im Einzelnen kommt bei sogenannten Georg-Fischer-Kupplungen (GF-Kupplung) ein Mechanismus zum Lösen der mechanischen Verbindung zwischen zwei miteinander gekuppelten Kupplungsköpfe zu Einsatz, welcher in struktureller und funktioneller Hinsicht vergleichbar ist mit dem eingangs beschrieben Mechanismus bestehend aus Riegelelement, erstes Betätigungselement, zweites Betätigungselement und Hebelelement. Je nach Kupplungsart kann das Entkuppeln entweder automatisch oder manuell bewirkt werden. Kupplungsköpfe von GF-Kupplungen weisen jeweils ein Riegelelement auf, um ein unbeabsichtigtes Lösen der mechanischen Verbindung zwischen zwei gekuppelten Kupplungsköpfen zu verhindern. Demnach wird die mechanische Verbindung zwischen zwei miteinander gekuppelten Kupplungsköpfen einer GF-Kupplung über zwei Riegelelemente gesichert. Zum Lösen dieser Verbindung müssen folglich beide Riegelelemente geöffnet werden.Specifically, a mechanism for releasing the mechanical connection between two mutually coupled coupling heads is used in so-called Georg Fischer couplings (GF coupling), which is structurally and functionally comparable to the mechanism described above consisting of locking element, first actuating element, second actuator and lever member. Depending on the type of coupling, uncoupling can be effected either automatically or manually. Coupling heads of GF couplings each have a locking element to prevent inadvertent release of the mechanical connection between two coupled coupling heads. Accordingly, the mechanical connection between two coupled coupling heads of a GF coupling is secured by two locking elements. To release this connection consequently both locking elements must be opened.
Aus dem Stand der Technik sind Mechanismen zum Lösen zweier Kupplungsköpfe bekannt, wobei in der Regel ein gemeinsames Hebelelement zum Einsatz kommt, welches in Wirkverbindung mit den Riegelelementen beider Kupplungsköpfe steht, so dass diese bei Betätigung des Hebelelements gleichzeitig gelöst werden. Die Verwendung eines gemeinsamen Hebelelements, mit welchem ein Betätigungselement der Kupplung einerseits und ein Betätigungselement der Gegenkupplung andererseits zusammenwirken, stellt eine leicht zu realisierende und effektive Lösung dar, mit welcher der Entkuppelvorgang ausführbar ist.Mechanisms for releasing two coupling heads are known from the prior art, wherein usually a common lever element is used, which is in operative connection with the locking elements of both coupling heads, so that they are released simultaneously upon actuation of the lever member. The use of a common lever element, with which an actuating element of the coupling on the one hand and an actuating element of the counter-coupling on the other hand cooperate, represents an easy-to-implement and effective solution with which the uncoupling is executable.
Allerdings hat sich gezeigt, dass mit diesem Mechanismus der Entkuppelvorgang nur dann reibungslos möglich ist, wenn die miteinander gekuppelten Kupplungsköpfe nicht unter Zugbelastung stehen. Insbesondere bei größeren Zugbelastungen besteht die Gefahr, dass die beiden die gekuppelten Kupplungsköpfe zusammenhaltenden Riegelelemente nicht synchron entriegelt werden. Dies hat zur Folge, dass die Riegelelemente nicht zeitgleich aus dem Kraftfluss genommen werden und ein Riegelelement früher als das zweite Riegelelement auslöst, infolgedessen die volle Zugkraft am zweiten Riegelelement angreift. In diesem Fall ist es oftmals nicht mehr oder nur sehr schwer möglich die Kupplungsköpfe voneinander zu trennen.However, it has been shown that with this mechanism, the uncoupling is possible only smoothly when the coupled coupling heads are not under tensile load. Especially with larger tensile loads the risk that the two locking elements which hold together the coupled coupling heads will not be unlocked synchronously. This has the consequence that the locking elements are not taken at the same time from the power flow and triggers a locking element earlier than the second locking element, as a result, the full tensile force acts on the second locking element. In this case, it is often no longer or very difficult to separate the coupling heads from each other.
Beispielsweise ist in
Zum Entkuppeln der beiden Kupplungsköpfe 100, 100' wird das Hebelelement 104 in Richtung des Pfeils ausgelenkt, infolgedessen das am ersten Bereich 104a mit dem Hebelelement 104 verbundene erste Betätigungselement 102 vertikal aus dem Kupplungskopf 100 herausgezogen wird. Da das erste Betätigungselement 102 direkt mit dem Riegelelement 101 verbunden ist, findet ein Kraftübertrag statt, welcher das Riegelelement 101 von einer ersten, geschlossenen Position in eine zweite, geöffnete Position überführt.To uncouple the two
Gleichzeitig wird beim Auslenken des Hebelelements 104 das zweite Betätigungselement 103' des Gegenkupplungskopfes 100' von der Reaktionskraft am zweiten Bereich 104b des Hebelelements 104 in den Gegenkupplungskopf 100' hineingedrückt. Auch das zweite Betätigungselement 103' ist mit einem Riegelelement 101' verbunden und wird ebenfalls dazu genutzt das Riegelelement 101' von einer ersten geschlossenen Position in eine zweite geöffnete Position zu überführen.At the same time, when the
Das in
Im Idealfall sind nach Auslenkung des Hebelelements 104 die Riegelelemente 101, 101' des Kupplungskopfes 100 und des Gegenkupplungskopfes 100' in ihrer geöffneten Position und die beiden Kupplungsköpfe 100, 100' können voneinander getrennt werden.Ideally, after deflection of the
Häufig kann allerdings nicht verhindert werden, dass die Kupplungsköpfe 100, 100' beim Entkuppelvorgang unter Zugbelastung stehen. Deshalb besteht die Gefahr, dass eines der Betätigungselemente 102, 103' klemmt und sich das zugehörige Riegelelement 101, 101' dadurch nicht öffnen lässt. Bei der aus dem Stand der Technik bekannten Lösung ist es allerdings möglich, dass das andere, nicht verklemmte Betätigungselement 102, 103' dennoch bewegt wird und das entsprechende Riegelelement 101, 101' entsperrt. Dann wird die gesamte Zugbelastung auf das Riegelelement 101, 101' des anderen Kupplungskopfes 100, 100' übertragen. Dies hat zur Folge, dass die Kupplungsköpfe 100, 100' nicht ohne weiteres entkuppelbar sind.Often, however, can not be prevented that the
Auf Grundlage der vorstehend beschriebenen Problemstellung liegt der Erfindung die Aufgabe zugrunde, einen Kupplungskopf der eingangs genannten Art derart weiterzubilden, dass selbst unter hohen Zugkräften ein reibungsloses Lösen der Kupplungsverbindung ermöglicht wird.Based on the problem described above, the invention has the object, a coupling head of the type mentioned in such a way that even under high tensile forces a smooth release of the coupling connection is made possible.
Diese Aufgabe wird durch den Gegenstand des unabhängigen Patentanspruches 1 gelöst. Vorteilhafte Weiterbildungen der erfindungsgemäßen Lösung sind in den abhängigen Ansprüchen angegeben.This object is solved by the subject matter of
Die erfindungsgemäße Lösung zeichnet sich dadurch aus, dass bei einem Kupplungskopf der eingangs genannten Art ferner ein Lager vorgesehen ist zum Lagern des Hebelelements zwischen dem ersten und dem zweiten Bereich derart, dass das Hebelelement um eine vorgebbare vertikale Achse verschwenkbar ist.The solution according to the invention is characterized in that in a coupling head of the type mentioned further, a bearing is provided for supporting the lever member between the first and the second region such that the lever member is pivotable about a predetermined vertical axis.
Auf diese Weise wird für das Hebelelement zwischen seinem ersten und seinem zweiten Bereich eine horizontale Drehachse festgelegt, wobei zwei Translations-Freiheitsgrade des Hebelelements fixiert oder zumindest vorab festlegbar sind, so dass das Hebelelement nur noch um die Drehachse verschenkbar ist. Durch das Festlegen der Schwenkbewegung des Hebelelements kann effektiv verhindert werden, dass ein Riegelelement geöffnet wird, während das Riegelelement des anderen Kupplungskopfes klemmt. Dem Hebelelement wird diesbezüglich eine Drehachse zugeordnet, was eine gleichmäßige Kraftverteilung auf beide mit den Riegelelementen verbundenen Betätigungselemente gewährleistet. Folglich ist garantiert, dass die Betätigungselemente synchron angesteuert und die Riegelelemente stets zur gleichen Zeit geöffnet werden. Somit ist das Lösen der Kupplung auch unter hohen Zugbelastungen möglich. Ferner werden durch das gleichzeitige Lösen die Riegelelemente geschont, da diese nicht einzeln auf Zug belastet werden können.In this way, a horizontal axis of rotation is defined for the lever element between its first and its second region, wherein two degrees of translational freedom of the lever element are fixed or at least be predetermined in advance, so that the lever element can only be given away around the axis of rotation. By setting the pivotal movement of the lever member can be effectively prevented that a locking element is opened, while the locking element of the other coupling head jams. The lever member is assigned in this respect a rotation axis, which ensures a uniform force distribution on both connected to the locking elements actuators. Consequently, it is guaranteed that the actuators are driven synchronously and the locking elements are always opened at the same time. Thus, the release of the clutch is possible even under high tensile loads. Furthermore, the locking elements are spared by the simultaneous release, as they can not be charged individually to train.
In einer bevorzugten Realisierung der erfindungsgemäßen Lösung weist das Lager eine vertikal ausgerichtete Welle auf, welche die vertikale Schwenkachse des Hebelelements festlegt. Denkbar ist dabei, dass die Welle an dem Kupplungskopf lösbar befestigt ist. Dies gestattet es, dass beispielsweise ein herkömmlicher Kupplungskopf, bei welchem im gekuppelten Zustand mit einem Gegenkupplungskopf ein Synchronlauf der Riegelelemente nicht gewährleistet ist, auf einfache Weise nachgerüstet werden kann.In a preferred embodiment of the solution according to the invention, the bearing has a vertically aligned shaft which defines the vertical pivot axis of the lever element. It is conceivable that the shaft is releasably secured to the coupling head. This makes it possible that, for example, a conventional coupling head, wherein in the coupled state with a counter-coupling head synchronous operation of the locking elements is not guaranteed, can be retrofitted in a simple manner.
Beispielsweise ist es denkbar, die Welle mit einem Gehäuserahmen am Kupplungskopf lösbar zu befestigen, wobei der Gehäuserahmen einen Spalt aufweist, in welchem das Hebelelement parallel zur Kupplungsebene drehbar um die Welle gelagert ist. Bei dieser Variante kann die Geometrie des Gehäuserahmens in besonders vorteilhafter Weise so gewählt werden, dass die Reichweite der Drehbewegung des Hebelelements auf den zum Kuppeln und Entkuppeln benötigten Winkelbereich beschränkt wird.For example, it is conceivable to releasably secure the shaft to a housing frame on the coupling head, wherein the housing frame has a gap in which the lever element is mounted rotatably parallel to the coupling plane around the shaft. In this variant, the geometry of the housing frame can be chosen in a particularly advantageous manner so that the range of the rotational movement of the lever member is limited to the required angle for coupling and decoupling angle range.
Selbstverständlich kommen zum Festlegen des Schwenkbereiches des Hebelelements aber auch andere Lösungen in Frage, wie beispielsweise ein vorzugsweise lösbar mit dem Kupplungskopf verbundenes Anschlagelement.Of course, come to set the pivoting range of the lever member but other solutions in question, such as a preferably releasably connected to the coupling head stop element.
In einer bevorzugten Weiterbildung der erfindungsgemäßen Lösung weist das zum Lagern des Hebelelements vorgesehene Lager eine Welle auf, welche in einer sich in Kupplungsrichtung erstreckenden Nut derart aufgenommen ist, dass die Welle beim Verschwenken des Hebelelements in Kupplungsrichtung geführt wird zum Kompensieren einer Längenveränderung des Hebelarmes zwischen der Welle und dem ersten Bereich des Hebelelements, an welchem der Endbereich des ersten Betätigungselements angelenkt ist. Bei Auslenkung des Hebelelements wird über das erste Betätigungselement eine Kraft auf das Riegelelement übertragen. Da das erste Betätigungselement in bevorzugter Weise nur vertikal zur Kupplungsrichtung relativ zu dem Kupplungskopf bewegt werden kann, ist es von daher bevorzugt, das Hebelelement, welches mit dem Betätigungselement verbunden ist, so auszubilden, dass die Kreisbewegung des Hebelelements in eine Vertikalbewegung umgesetzt werden kann. Dies kann auf einfache und kostengünstige Weise durch die Führung der Welle in einer sich in Kupplungsrichtung erstreckenden Nut realisiert werden.In a preferred development of the solution according to the invention, the bearing provided for supporting the lever element bearing has a shaft which is received in a groove extending in the coupling direction such that the shaft is guided during pivoting of the lever member in the coupling direction to compensate for a change in length of the lever arm between the Shaft and the first portion of the lever member to which the end portion of the first actuating element is articulated. Upon deflection of the lever member is on the first actuator transmit a force to the locking element. Since the first actuating element can be moved in a preferred manner only vertical to the coupling direction relative to the coupling head, it is therefore preferred to form the lever element which is connected to the actuating element so that the circular movement of the lever element can be converted into a vertical movement. This can be realized in a simple and cost-effective manner by the guidance of the shaft in a groove extending in the coupling direction.
Weiter ist es von Vorteil, wenn das Hebelelement mit einem Langloch versehen ist, in welchem das erste Betätigungselement lösbar befestigt ist. Durch das Langloch kann das erste Betätigungselement sicher und dennoch drehbar am Hebelelement befestigt werden. Vorzugsweise ist das erste Betätigungselement dabei mit dem Hebelelement verschraubt. Dadurch wird eine robuste Verbindung der beiden Teile erreicht, welche für mögliche Reparaturen leicht lösbar ist.Further, it is advantageous if the lever element is provided with a slot in which the first actuating element is releasably secured. Through the slot, the first actuator can be safely and yet rotatably mounted on the lever element. Preferably, the first actuating element is screwed to the lever element. As a result, a robust connection of the two parts is achieved, which is easily solvable for possible repairs.
Schließlich ist bei einer vorteilhaften Realisierung des Kupplungskopfes vorgesehen, dass am Endbereich des zweiten Betätigungselements eine Führung vorgesehen ist zum Führen des zweiten Bereiches eines zum Gegenkupplungskopf gehörenden Hebelelements bei einem Verschwenken des zum Gegenkupplungskopf gehörenden Hebelelements relativ zu dem Endbereich des zweiten Betätigungselements. Beispielsweise ist es denkbar, dass die Führung eine sich in Kupplungsrichtung erstreckende Führungsnut aufweist.Finally, in an advantageous realization of the coupling head, it is provided that a guide is provided on the end region of the second actuating element for guiding the second region of a lever element belonging to the mating coupling head during pivoting of the lever element belonging to the mating coupling head relative to the end region of the second actuating element. For example, it is conceivable that the guide has a guide groove extending in the coupling direction.
Nachfolgend wird ein Ausführungsbeispiel der erfindungsgemäßen Lösung anhand der beiliegenden Zeichnungen beschrieben.Hereinafter, an embodiment of the solution according to the invention will be described with reference to the accompanying drawings.
Es zeigen:
- Fig. 1
- eine Draufsicht auf eine Hälfte eines aus dem Stand der Technik bekannten Kupplungskopfes der Bauart Georg-Fischer im gekuppelten Zustand;
- Fig. 2
- eine Draufsicht auf eine Hälfte einer exemplarischen Ausführungsform eines Kupplungskopfes der vorliegenden Erfindung im gekuppelten Zustand;
- Fig. 3
- eine Draufsicht auf eine Hälfte der exemplarischen Ausführungsform des Kupplungskopfes gemäß
Fig. 2 beim Entkuppelvorgang; und - Fig. 4
- eine perspektivische Teilansicht der exemplarischen Ausführungsform des Kupplungskopfes gemäß
Fig. 3 .
- Fig. 1
- a plan view of one half of a known from the prior art coupling head of the type Georg Fischer in the coupled state;
- Fig. 2
- a plan view of a half of an exemplary embodiment of a coupling head of the present invention in the coupled state;
- Fig. 3
- a plan view of a half of the exemplary embodiment of the coupling head according to
Fig. 2 during uncoupling; and - Fig. 4
- a partial perspective view of the exemplary embodiment of the coupling head according to
Fig. 3 ,
In
Der Kupplungskopf 20 dient zum Ausbilden einer mechanischen Verbindung mit einem baugleichen Gegenkupplungskopf 20'. Hierzu weist der Kupplungskopf 20 ein Riegelelement 1 auf, welches zum Verhindern eines unbeabsichtigten Lösens der mechanischen Verbindung zwischen dem Kupplungskopf 20 und einem mit dem Kupplungskopf 20 gekuppelten Gegenkupplungskopf 20' dient. Im Einzelnen ist dabei vorgesehen, dass das Riegelelement 1 von einer ersten Position, in welcher ein Lösen der mechanischen Verbindung zwischen dem Kupplungskopf 20 und dem Gegenkupplungskopf 20' verhindert wird, in eine zweite Position, in welcher ein Lösen der mechanischen Verbindung zwischen dem Kupplungskopf 20 und dem Gegenkupplungskopf 20' ermöglicht wird, bewegbar ist.The
Hierzu weist der Kupplungskopf 20 ein erstes und ein zweites Betätigungselement 2, 3 auf, welche jeweils vertikal zur Kupplungsrichtung L relativ zu dem Kupplungskopf 20 bewegbar und derart mit dem Riegelelement 1 verbunden sind, dass bei einer Bewegung der Betätigungselemente 2, 3 relativ zu dem Kupplungskopf 20 das Riegelelement 1 von seiner ersten zu seiner zweiten Position und umgekehrt überführbar ist. Ferner ist ein Hebelelement 4 vorgesehen, welches einen ersten Bereich 4a aufweist, an welchem ein Endbereich des ersten Betätigungselements 2 derart angelenkt ist, dass beim Verschwenken des Hebelelements 4 das erste Betätigungselement 2 vertikal zur Kupplungsrichtung L relativ zu dem Kupplungskopf 20 bewegt wird. Das Hebelelement 4 weist ferner einen zweiten Bereich 4b auf, welcher mit einem Endbereich eines zweiten Betätigungselements 3' eines mit dem Kupplungskopf 20 gekuppelten, baugleichen Gegenkupplungskopfes 20' derart zusammenwirkt, dass beim Verschwenken des Hebelelements 4 das zweite Betätigungselement 3' des Gegenkupplungskopfes 20' vertikal zur Kupplungsrichtung L relativ zu dem Gegenkupplungskopf 20' bewegbar ist.For this purpose, the
Der erfindungsgemäße Kupplungskopf 20 zeichnet sich dadurch aus, dass ferner ein Lager 5 vorgesehen ist zum Lagern des Hebelelements 4 zwischen dem ersten und dem zweiten Bereich 4a, 4b derart, dass das Hebelelement 4 um eine vorgebbare vertikale Achse verschwenkbar ist.The
Im Einzelnen ist bei der dargestellten Ausführungsform des erfindungsgemäßen Kupplungskopfes 20 vorgesehen, dass das Lager 5 eine vertikal ausgerichtete Welle 6 aufweist, infolgedessen die vertikale Schwenkachse des Hebelelements 4 festgelegt wird, wobei die Welle 6 an dem Kupplungskopf 20 vorzugsweise lösbar befestigt ist.Specifically, it is provided in the illustrated embodiment of the
Ferner ist bei dem dargestellten Ausführungsbeispiel des erfindungsgemäßen Kupplungskopfes 20 vorgesehen, dass die Welle 6 in einer sich in Kupplungsrichtung L erstreckenden Nut 7 derart aufgenommen ist, dass die Welle 6 beim Verschwenken des Hebelelements 4 in Kupplungsrichtung L geführt wird zum Kompensieren einer Längenveränderung des Hebelarmes zwischen der Welle 6 und dem ersten Bereich 4a des Hebelelements 4, an welchem der Endbereich des ersten Betätigungselements 2 angelenkt ist.Furthermore, it is provided in the illustrated embodiment of the
Bei der dargestellten Ausführungsform des erfindungsgemäßen Kupplungskopfes 20 ist ferner ein vorzugsweise lösbar mit dem Kupplungskopf 20 verbundener Anschlag 8 vorgesehen zum Festlegen des Schwenkbereiches des Hebelelements 4.In the illustrated embodiment of the
Das Entkuppeln der miteinander gekuppelten Kupplungsköpfe 20, 20' erfolgt grundlegend nach dem aus dem Stand der Technik bekannten und oben beschriebenen Prinzip mit dem Unterschied, dass durch die festgelegte Drehachse des Hebelelements 4 die Kraftübertragung auf die Betätigungselemente 2, 3' optimiert ist. Durch eine bessere Aufteilung der Hebelkräfte ist eine synchrone Betätigung der beiden Riegelelemente 1, 1' gewährleistet.The decoupling of the mutually coupled coupling heads 20, 20 'takes place fundamentally according to the principle known from the prior art and described above, with the difference that the force transmission to the
Ferner ist durch die Lagerung des Hebelelements 4 an der Welle 6 gewährleistet, dass sich das Hebelelement 4 nur bewegen lässt, solange beide Betätigungselemente 2, 3' bewegbar sind. Sollte beispielsweise das zweite Betätigungselement 3' des Gegenkupplungskopfes 20' nicht bewegbar sein, wird bei dem erfindungsgemäßen Kupplungskopf 20 das Verschwenken des Hebelelements 1 und damit das Herausziehen des ersten Betätigungselements 2 verhindert, da die Welle 6 im wesentlichen nicht in horizontaler Richtung beweglich ist. Sobald die Kraft des Hebelelements 4 ausreicht, um das zweite Betätigungselement 3' in die Gegenkupplung 20' hineinzudrücken, wird auch das erste Betätigungselement 2 wieder aktiviert. Aufgrund dessen ist garantiert, dass beide Riegelelemente 1, 1' zu jeder Zeit synchron geöffnet werden können.Furthermore, it is ensured by the bearing of the
Die Erfindung ist nicht auf das unter Bezugnahme auf die Zeichnungen beschriebene Ausführungsbeispiel beschränkt, sondern ergibt sich aus einer Zusammenschau sämtlicher hierin offenbarter Merkmale.The invention is not limited to the embodiment described with reference to the drawings, but results from a synopsis of all the features disclosed herein.
Claims (9)
- A coupling head (20) for a rail-guided vehicle for forming a mechanical connection with a structurally identical counter coupling head (20'), wherein the coupling head (20) comprises the following:- a locking element (1) for preventing an unintentional release of the mechanical connection between the coupling head (20) and a counter coupling head (20') coupled to the coupling head (20), wherein the locking element (1) can be moved from a first position, in which the mechanical connection between the coupling head (20) and the counter coupling head (20') is prevented from releasing, into a second position which allows a releasing of the mechanical connection between the coupling head (20) and the counter coupling head (20');- one first and one second actuating element (2, 3), each able to be moved vertical to coupling direction (L) relative to the coupling head (20) and connected to the locking element (1) such that the locking element (1) can be conveyed from its first position into its second position and vice versa upon the actuating elements (2, 3) moving relative to the coupling head (20); and- a lever element (4) comprising a first region (4a) to which an end region of the first actuating element (2) is articulated such that the first actuating element (2) is moved vertical to the coupling direction (L) relative to the coupling head (20) upon the pivoting of the lever element (4), wherein the lever element (4) further comprises a second region (4b) for cooperating with an end region of a second actuating element (3') of a struc-turally identical counter coupling head (20') coupled to the coupling head (20) such that the second actuating element (3') of the counter coupling head (20') is moved vertical to the coupling direction (L) relative to the counter coupling head (20') upon the pivoting of the lever element (4),characterized in that
a bearing (5) is further provided for supporting the lever element (4) between the first and the second region (4a, 4b) such that the lever element (4) is pivotable about a predefinable vertical axis. - The coupling head (20) according to claim 1,
wherein the bearing (5) comprises a vertically aligned shaft (6) for defining the vertical pivot axis of the lever element (4), wherein the shaft (6) is preferably releasably fixed to the coupling head (20). - The coupling head (20) according to claim 2,
wherein the shaft (6) is received in a groove (7) extending in the coupling direction (L) such that the shaft (6) is guided in the coupling direction (L) upon the pivoting of the lever element (4) to compensate for a change in length of the lever arm between the shaft (6) and the first region (4a) of the lever element (4) to which the end region of the first actuating element (2) is articulated. - The coupling head (20) according to any one of the preceding claims,
wherein a limit stop (8) preferably releasably connected to the coupling head (20) is further provided for defining the pivoting range of the lever element (4). - The coupling head (20) according to any one of the preceding claims,
wherein the lever element (4) comprises a slotted hole (8) extending in the longitudinal direction of the lever element (4) in which the first actuating element (2) is releasably fixed. - The coupling head (20) according to any one of the preceding claims,
wherein a guide (9) is provided at the end region of the second actuating element (3) to guide the second region (4b') of a lever element (4') of the counter coupling head (20') upon a pivoting of the lever element (4') of the counter coupling head (20') relative to the end region of the second actuating element (3). - The coupling head (20) according to claim 6,
wherein the guide (9) comprises a guide notch extending in the coupling direction (L). - The coupling head (20) according to any one of the preceding claims,
wherein the lever element (4) comprises an arm section (10) extending opposite to the coupling direction (L) from the first region for pivoting the lever element (4) in a horizontal plane. - The coupling head (20) according to any one of the preceding claims,
wherein the first and the second actuating element (2, 3) can be synchronously moved in opposite directions relative to each other by means of the lever element (4).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10002942T PL2371658T3 (en) | 2010-03-19 | 2010-03-19 | Coupling head for a rail-guided vehicle |
EP10002942.0A EP2371658B1 (en) | 2010-03-19 | 2010-03-19 | Coupling head for a rail-guided vehicle |
CN2011100697182A CN102192219A (en) | 2010-03-19 | 2011-03-18 | Coupling head for a rail-guided vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10002942.0A EP2371658B1 (en) | 2010-03-19 | 2010-03-19 | Coupling head for a rail-guided vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2371658A1 EP2371658A1 (en) | 2011-10-05 |
EP2371658B1 true EP2371658B1 (en) | 2014-04-30 |
Family
ID=42633122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10002942.0A Active EP2371658B1 (en) | 2010-03-19 | 2010-03-19 | Coupling head for a rail-guided vehicle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2371658B1 (en) |
CN (1) | CN102192219A (en) |
PL (1) | PL2371658T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014007339U1 (en) | 2014-09-15 | 2014-10-14 | Voith Patent Gmbh | Coupling head for a track-guided vehicle |
SE545270C2 (en) * | 2021-02-09 | 2023-06-13 | Dellner Couplers Ab | Train coupler adapter and method for mounting a train coupler adapter on a coupler of a rail vehicle |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE405126C (en) * | 1923-07-20 | 1924-10-28 | Gottfried Flueckiger | Railway center buffer coupling |
FR603565A (en) * | 1925-07-24 | 1926-04-19 | Mcconway & Torley Co | Improvements in railway car couplings |
US1850943A (en) * | 1929-04-04 | 1932-03-22 | William H Sale | Car coupler |
GB418104A (en) * | 1934-02-19 | 1934-10-18 | James Thomas Franklin | Improvements in or relating to car couplers |
FR1166638A (en) * | 1956-02-04 | 1958-11-13 | Henricot Usines Emile Sa | Control device for cyclic maneuvering and automatic device or coupling provided with said device |
GB945836A (en) * | 1959-04-22 | 1964-01-08 | Abc Coupler & Engineering Co L | Improvements in or relating to vehicle couplings |
US4391380A (en) * | 1981-02-12 | 1983-07-05 | Hoose Demetrius H | Rail car coupler interlock |
CN2040057U (en) * | 1988-06-22 | 1989-06-28 | 段玉柱 | Safety universal automatic coupling hook for mine electric motive car |
-
2010
- 2010-03-19 PL PL10002942T patent/PL2371658T3/en unknown
- 2010-03-19 EP EP10002942.0A patent/EP2371658B1/en active Active
-
2011
- 2011-03-18 CN CN2011100697182A patent/CN102192219A/en active Pending
Also Published As
Publication number | Publication date |
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CN102192219A (en) | 2011-09-21 |
EP2371658A1 (en) | 2011-10-05 |
PL2371658T3 (en) | 2014-09-30 |
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