EP3750772B1 - Coupling head, especially for a rail vehicle - Google Patents

Coupling head, especially for a rail vehicle Download PDF

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Publication number
EP3750772B1
EP3750772B1 EP19214221.4A EP19214221A EP3750772B1 EP 3750772 B1 EP3750772 B1 EP 3750772B1 EP 19214221 A EP19214221 A EP 19214221A EP 3750772 B1 EP3750772 B1 EP 3750772B1
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EP
European Patent Office
Prior art keywords
housing
coupling
coupling head
abutment surface
wall
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EP19214221.4A
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German (de)
French (fr)
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EP3750772A1 (en
Inventor
Fabian FISCHBACHER
Stefan FAAS
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Faiveley Transport Schwab AG
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Faiveley Transport Schwab AG
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Publication of EP3750772A1 publication Critical patent/EP3750772A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/20—Details; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • 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
    • B61G3/22—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 locks consisting of pivoted latches

Definitions

  • the invention relates to a coupling head, in particular for a rail vehicle, according to the preamble of claim 1.
  • the respective coupling head is formed from a two-part or multi-part housing. It is provided with a coupling element and the respective other coupling head with a corresponding recess.
  • This coupling member is designed to engage in the recess of the other coupling head when coupling.
  • a securing member for securing the engaged clutch member is assigned to this.
  • a locking mechanism is designed as a lever arrangement in the housing, in which a locking element is provided which has a latch which can be rotated about a vertical axis, which can be rotated between an initial position and an active position and which can be connected via an intermediate lever to the unlocking lever in active connection is established.
  • This unlocking lever is intended for direct or indirect securing of the securing member in the locking position and for unlocking the locking mechanism, the intermediate lever and the unlocking lever being pivotably mounted.
  • a reduction in the locking force is also provided, which enables manual unlocking.
  • the pamphlet U.S. 3,283,917 discloses a vehicle coupler having a housing, a rocker arm, a key set, an anti-creep element, a lock, a releasing lever and other elements.
  • the housing essentially consists of a box that is open on both sides and has two lateral walls with interruptions.
  • the abutment surface is not formed by the housing, but rather by the closure mounted in this housing, which is designed above the housing with this abutment surface, which can be coupled with a similar one of the other coupling half. When coupling, the two closures assume their closed positions on the side surfaces of the other flanks.
  • the disadvantage of this vehicle coupler is that the very high tensile and compressive forces during the coupling process and in the coupled rail vehicles cannot be adequately absorbed during operation, since these forces are directed to the locks and via these bearings into the housing.
  • a coupling is provided with a coupling plate on its front side with an abutment surface which, during coupling, comes into contact with such a coupling head of a rail vehicle to be connected.
  • the coupling is connected to the rail vehicle by a pulling and buffing device.
  • the housing is designed in two parts and its upper and lower sides are releasably connected by transverse screws.
  • the invention is based on the object of further developing a coupling head of the type mentioned at the outset in such a way that it is provided with a compact and stable structure and is easy to produce.
  • the housing of the coupling head is produced essentially as a one-piece pot shape, in which the abutment surface is arranged on the front wall and this connecting flange is arranged on the rear wall.
  • This front abutment surface and this vane which is advantageously attached, serve as a centering means and as a flat support for contact with an abutment surface of a coupling head to be coupled.
  • this connection flange enables the coupling head to be attached to a drawbar or similar of a coupling device articulated on the vehicle.
  • such a known coupling and locking mechanism is integrated in this pot-shaped housing.
  • this coupling head according to the invention is optimally designed to absorb the very high tensile and compressive forces that occur during the coupling process and in the coupled rail vehicles during operation, in particular when accelerating or braking.
  • the abutment surface of the front wall of the housing also has a recess on both sides, from which a bolt of the coupling and locking mechanism protrudes through one recess, while a corresponding bolt of the to be coupled coupling head is feasible.
  • Corresponding bearings are formed in the housing, in which, according to the invention, this bolt is held so as to be pivotable about an axis running vertically to the lower floor wall. It is operatively connected to a roller lever and the latter to a cam lever in such a way that the bolt causes either a coupling with the other coupling head or a decoupling.
  • the roller lever and the cam lever are mounted on a support member fixed in the housing.
  • Figures 1 to 3 show a coupling head 10 which is used in particular in rail vehicles, such as for passenger or freight cars, but which in principle could also be used for coupling other cars.
  • This coupling head 10 is provided with a housing 20 which has an abutment surface 12 on the front for a flat contact with an abutment surface of a coupling head to be coupled for coupling two rail vehicles or the like.
  • a connection flange 11 is arranged on the rear of the housing 20, by means of which a connection flange 11 is attached to a pull rod or the like of a coupling device which can be fastened in an articulated manner to a vehicle body.
  • a guide vane 15 is arranged at an angle to the coupling direction A for centering the coupling heads 10 to be connected.
  • it corresponds to a vane of the coupling head to be coupled, which is identical to the coupling head 10 shown, but is pivoted horizontally by 180° and is fastened to the coupling device of the vehicle to be coupled.
  • a clutch and locking mechanism 30 which functions in a manner known per se and is composed of a lever arrangement with interacting pivotable levers which is explained in more detail below.
  • the housing 20 is produced essentially as a one-piece pot shape, in which the abutment surface 12 is formed on the front wall 21 and at least one guide vane 15 is formed on the side of the front wall 21 and this connecting flange 11 is formed on the rear wall 22 .
  • This essentially one-piece pot-shaped housing 20 is cast and preferably consists of cast steel or nodular cast iron with a predetermined minimum value for its tensile or compressive strength. In principle, however, the housing could be welded together from different parts in the sense of a one-piece pot shape.
  • the planes formed by the abutment surface 12 at the front wall 21 and by the rear wall 22 with the connecting flange 11 extend in a V-shape and the side walls 24, 26 connecting them preferably run inward from the rear towards the front wall in order to to achieve maximum strength of the housing.
  • At least one continuous angled line wall 25 with openings 27, 28 is formed along its lower bottom wall 23, which is guided from the front wall 21 with the abutment surface 12 to the rear wall 22 or possibly up to the side wall 24 of the housing 20 and which serves to lead through a main air line.
  • This angled line wall 25 serves, as it were, as a reinforcement of the housing 20. In principle, however, separate pipes or hoses could also be mounted instead of such a line wall.
  • the housing 20 which essentially consists of a one-piece pot shape, is assigned an elongating housing part 29 to the pot to form a recess 14 on the side of the abutment surface 12 , the height of which is slightly smaller than that of the housing 20 .
  • This elongating body part 29 protrudes from the front wall 21 in a same plane and is through rearwardly extending Ribs 29' are connected to a slope 24' of the side wall 24 of the housing.
  • the guide vane 15 is arranged above the housing 20 so that it projects laterally at a predetermined angle to the abutment surface 12 .
  • the angle of inclination of the front guide surface 15' to the abutment surface 12 is preferably 45°. If necessary, the guide vane can also project laterally beyond the side wall 26 .
  • the guide vane 15 extends from the outer side wall 26 almost to the middle of the housing 20. Reinforcing ribs 15'', which preferably run transversely to this and are connected to the housing 20 on the top side, are also arranged for sufficient stability of the guide vane.
  • a guide element 19 which protrudes from the housing 20 to the abutment surface 12 at the side of the recess 13 and has a stop surface 19' running approximately perpendicular to the abutment surface 12 or perpendicular to the rear wall 22 in the coupling direction A and a funnel-shaped ramp 19".
  • This guide element 19 is also used for the power transmission of the coupling heads and for the strength of the housing 10.
  • this guide vane 15 and this guide member 19 interact with one of the other coupling head to be coupled in such a way that that the coupling heads can be guided to one another in the coupling direction A in the desired coupling position with vertical and lateral centering, but the coupling mainly also takes place at the abutting surfaces 12 that are in contact.
  • This coupling and locking mechanism 30 corresponds in terms of its structure and function to that in the publication mentioned at the outset EP-A-0 972 693 illustrated and explained in detail. Therefore, not all details are shown below.
  • this pivotable bolt 35 is pivotably mounted about an axis 35A perpendicular to the bottom wall 23 from an initial position to an operative position and vice versa.
  • This bolt 35 has, as in 3 As can be seen, a wing part 36 protruding towards the abutment surface 12 with a contact surface 36' and opposite a wing part 36". When coupling, the outer wing part 36 comes with a front surface of the housing part 29 of the other coupling head when shifting in contact and it causes a rotation of the bolt 35.
  • This bolt 35 is operatively connected to a roller lever 31 and the latter to a cam lever 32 in such a way that the bolt effects either a coupling with the other coupling head or a decoupling.
  • the roller lever 31 and the cam lever 32 are each prestressed in one direction of rotation by a spring element, so that the roller lever 31 applies a torque to the bolt 35 in the uncoupled position and the cam lever 32 engages behind the roller lever 31 in the coupled position, causing the locking and maintains.
  • the cam lever 32 is rotatably connected to a controllable actuator and can be automatically rotated thereby for decoupling. He thus releases the roller lever 31, which in turn is brought into the uncoupled state by the cam lever 32 against the spring force.
  • the housing 20 can be tightly closed at the top by a flat cover 19 .
  • the coupling and locking mechanism 30 can be mounted in the pot-shaped housing 20 in a simple and easily accessible manner and can then be tightly closed by this cover 19 .

Description

Die Erfindung betrifft einen Kupplungskopf insbesondere für ein Schienenfahrzeug nach dem Oberbegriff des Anspruchs 1.The invention relates to a coupling head, in particular for a rail vehicle, according to the preamble of claim 1.

Bei einer gattungsmässigen Kupplungsanordnung gemäss der Druckschrift EP-A-0 972 693 sind zwei Kupplungsvorrichtungen vorgesehen, welche jeweils einen Kupplungskopf aufweisen, der an einer Zugstange einer Dämpfungsvorrichtung abgestützt ist, welche über eine Lagerung insbesondere am Schienenfahrzeug befestigt ist.With a generic clutch arrangement according to the publication EP-A-0 972 693 two coupling devices are provided which each have a coupling head which is supported on a pull rod of a damping device which is fastened in particular to the rail vehicle via a bearing.

Der jeweilige Kupplungskopf ist dabei aus einem zwei- oder mehrteiligen Gehäuse gebildet. Er ist mit einem Kupplungsorgan und der jeweils andere Kupplungskopf mit einer korrespondierenden Aussparung versehen. Dieses Kupplungsorgan ist beim Kuppeln in die Aussparung des jeweils anderen Kupplungskopfs einzugreifen bestimmt. Es ist diesem ein Sicherungsorgan zum Sichern des eingekuppelten Kupplungsorgans zugeordnet. Zu diesem Zwecke ist im Gehäuse ein Verriegelungsmechanismus als Hebelanordnung ausgebildet, bei dem ein Verriegelungselement vorgesehen ist, das einen um eine vertikale Achse verdrehbaren Riegel aufweist, welcher zwischen einer Ausgangs- und einer Wirkstellung verdrehbar ist und über einen Zwischenhebel mit dem Entriegelungshebel in Wirkverbindung steht. Dieser Entriegelungshebel ist zur direkten oder indirekten Sicherung des Sicherungsorgans in der Arretierstellung und zum Entriegeln des Verriegelungsmechanismus bestimmt, wobei der Zwischenhebel und der Entriegelungshebel schwenkbar gelagert sind. Es ist ferner eine Reduktion der Verriegelungskraft vorgesehen, durch welche eine manuelle Entriegelung ermöglicht wird.The respective coupling head is formed from a two-part or multi-part housing. It is provided with a coupling element and the respective other coupling head with a corresponding recess. This coupling member is designed to engage in the recess of the other coupling head when coupling. A securing member for securing the engaged clutch member is assigned to this. For this purpose, a locking mechanism is designed as a lever arrangement in the housing, in which a locking element is provided which has a latch which can be rotated about a vertical axis, which can be rotated between an initial position and an active position and which can be connected via an intermediate lever to the unlocking lever in active connection is established. This unlocking lever is intended for direct or indirect securing of the securing member in the locking position and for unlocking the locking mechanism, the intermediate lever and the unlocking lever being pivotably mounted. A reduction in the locking force is also provided, which enables manual unlocking.

Die Druckschrift US 3,283,917 offenbart einen Fahrzeugkuppler mit einem Gehäuse, einem Kipphebel, einem Schliess-Set, einem Antikriechelement, einem Verschluss, einem lösenden Hebel und weiteren Elementen. Das Gehäuse besteht im Wesentlichen aus einem beidseitig offenen Kasten mit zwei seitlichen Wänden mit Unterbrüchen. Die Stossfläche ist nicht vom Gehäuse gebildet, sondern von dem in diesem gelagerten Verschluss, welcher vorstehend im Gehäuse mit dieser Stossfläche ausgebildet ist, die mit einer ebensolchen der andern Kupplungshälfte kuppelbar ist. Die beiden Verschlüsse nehmen beim Kuppeln ihre Schliesspositionen bei den Seitenflächen der andern Flanken ein. Damit besteht der Nachteil bei diesem Fahrzeugkuppler darin, dass die sehr hohen Zug- und Druckkräfte beim Kupplungsvorgang und bei den gekoppelten Schienenfahrzeugen im Betrieb nicht genügend aufgenommen werden können, da diese Kräfte auf die Verschlüsse und über diese Lager ins Gehäuse geleitet werden.The pamphlet U.S. 3,283,917 discloses a vehicle coupler having a housing, a rocker arm, a key set, an anti-creep element, a lock, a releasing lever and other elements. The housing essentially consists of a box that is open on both sides and has two lateral walls with interruptions. The abutment surface is not formed by the housing, but rather by the closure mounted in this housing, which is designed above the housing with this abutment surface, which can be coupled with a similar one of the other coupling half. When coupling, the two closures assume their closed positions on the side surfaces of the other flanks. The disadvantage of this vehicle coupler is that the very high tensile and compressive forces during the coupling process and in the coupled rail vehicles cannot be adequately absorbed during operation, since these forces are directed to the locks and via these bearings into the housing.

Bei der Druckschrift EP-A-2 537 730 ist eine Kupplung mit auf ihrer Vorderseite einer Kupplungsplatte mit einer Stossfläche versehen, welche beim Kuppeln mit einer solchen eines Kupplungskopfes eines zu verbindenden Schienenfahrzeuges in Berührung gelangt. Die Kupplung ist durch eine Zug- und Stossvorrichtung mit dem Schienenfahrzeug verbunden. Das Gehäuse ist zweiteilig ausgebildet und seine Ober- mit der Unterseite durch quer durchgehende Schrauben lösbar verbunden.At the print EP-A-2 537 730 a coupling is provided with a coupling plate on its front side with an abutment surface which, during coupling, comes into contact with such a coupling head of a rail vehicle to be connected. The coupling is connected to the rail vehicle by a pulling and buffing device. The housing is designed in two parts and its upper and lower sides are releasably connected by transverse screws.

Der Erfindung liegt die Aufgabe zugrunde, einen Kupplungskopf nach der eingangs erwähnten Gattung derart weiter zu entwickeln, dass er mit einem kompakten und stabilen Aufbau versehen und dabei einfach herstellbar ist.The invention is based on the object of further developing a coupling head of the type mentioned at the outset in such a way that it is provided with a compact and stable structure and is easy to produce.

Diese Aufgabe ist erfindungsgemäss durch die Merkmale des Anspruchs 1 gelöst.According to the invention, this object is achieved by the features of claim 1 .

Das Gehäuse des Kupplungskopfs ist dabei erfindungsgemäss im Wesentlichen als eine einstückige Topfform hergestellt, bei dem bei der vorderen Wand die Stossfläche, indes bei der hinteren Wand dieser Anschlussflansch angeordnet sind.According to the invention, the housing of the coupling head is produced essentially as a one-piece pot shape, in which the abutment surface is arranged on the front wall and this connecting flange is arranged on the rear wall.

Diese vorderseitige Stossfläche und diese vorteilhaft angebrachte Leitschaufel dienen als Zentriermittel und als flächige Auflage für den Kontakt mit einer Stossfläche eines zu kuppelnden Kupplungskopfs. Rückseitig ermöglicht dieser Anschlussflansch eine Befestigung des Kupplungskopfs an einer Zugstange oder ähnlichem einer am Fahrzeug angelenkten Kupplungseinrichtung. Zudem ist in diesem topfförmigen Gehäuse ein solcher an sich bekannter Kupplungs- und Verriegelungsmechanismus integriert.This front abutment surface and this vane, which is advantageously attached, serve as a centering means and as a flat support for contact with an abutment surface of a coupling head to be coupled. On the back, this connection flange enables the coupling head to be attached to a drawbar or similar of a coupling device articulated on the vehicle. In addition, such a known coupling and locking mechanism is integrated in this pot-shaped housing.

Dieser erfindungsgemässe Kupplungskopf ist durch seine Ausbildung mit diesem kompakten Gehäuse optimal ausgelegt, um die sehr hohen Zug- und Druckkräfte aufzunehmen, die die beim Kupplungsvorgang und bei den gekoppelten Schienenfahrzeugen im Betrieb insbesondere beim Beschleunigen oder Abbremsen auftreten.Due to its design with this compact housing, this coupling head according to the invention is optimally designed to absorb the very high tensile and compressive forces that occur during the coupling process and in the coupled rail vehicles during operation, in particular when accelerating or braking.

Erfindungsgemäss ist bei der Stossfläche der vorderen Wand des Gehäuses zudem beidseitig je eine Ausnehmung vorhanden, von denen durch die eine Ausnehmung ein gegenüber der Stossfläche vorstehender Riegel des Kupplungs- und Verriegelungsmechanismus hindurchragt, während durch die andere Ausnehmung ein entsprechender Riegel des zu kuppelnden Kupplungskopfs führbar ist. Damit können diese Funktionen des Kuppelns und Verriegelns bzw. Entriegelns und Entkuppelns von zwei Kupplungsköpfen automatisch und mit grosser Betriebssicherheit erfolgen.According to the invention, the abutment surface of the front wall of the housing also has a recess on both sides, from which a bolt of the coupling and locking mechanism protrudes through one recess, while a corresponding bolt of the to be coupled coupling head is feasible. In this way, these functions of coupling and locking or unlocking and decoupling of two coupling heads can take place automatically and with great operational reliability.

Im Gehäuse sind entsprechende Lagerungen gebildet, in der erfindungsgemäss dieser Riegel um eine vertikal zu der unteren Bodenwand verlaufenden Achse schwenkbar gehalten ist. Er ist mit einem Rollenhebel und letzterer mit einem Nockenhebel derart wirkverbunden, dass der Riegel entweder eine Kupplung mit dem andern Kupplungskopf oder ein Entkuppeln bewirkt. Der Rollenhebel und der Nockenhebel sind an einem im Gehäuse befestigten Stützelement gelagert.Corresponding bearings are formed in the housing, in which, according to the invention, this bolt is held so as to be pivotable about an axis running vertically to the lower floor wall. It is operatively connected to a roller lever and the latter to a cam lever in such a way that the bolt causes either a coupling with the other coupling head or a decoupling. The roller lever and the cam lever are mounted on a support member fixed in the housing.

Die Erfindung sowie weitere Vorteile derselben sind nachfolgend anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnung näher erläutert. Es zeigt:

Fig. 1
einen perspektivisch dargestellten erfindungsgemässen Kupplungskopf ohne den oberseitigen Deckel;
Fig. 2
eine Draufsicht auf den Kupplungskopf nach Fig. 1; und
Fig. 3
eine perspektivische Vorderansicht des Kupplungskopfs mit dem das Gehäuse verschliessenden oberseitigen Deckel.
The invention and other advantages thereof are explained in more detail below using exemplary embodiments with reference to the drawing. It shows:
1
a coupling head according to the invention shown in perspective without the top cover;
2
a top view of the coupling head 1 ; and
3
a perspective front view of the coupling head with the housing closing the top cover.

Fig. 1 bis Fig. 3 zeigen einen Kupplungskopf 10, der insbesondere bei Schienenfahrzeugen, wie für Personen- oder Güterwagen, eingesetzt wird, der im Prinzip aber auch für eine Kopplung von andern Wagen verwendet werden könnte. Figures 1 to 3 show a coupling head 10 which is used in particular in rail vehicles, such as for passenger or freight cars, but which in principle could also be used for coupling other cars.

Dieser Kupplungskopf 10 ist mit einem Gehäuse 20 versehen, welches vorderseitig eine Stossfläche 12 für eine flächige Auflage mit einer Stossfläche eines zu kuppelnden Kupplungskopfs für das Koppeln von zwei Schienenfahrzeugen oder dergleichen aufweist. Rückseitig ist bei dem Gehäuse 20 ein Anschlussflansch 11 angeordnet, mittels welchem eine Befestigung mit einer Zugstange oder ähnlichem einer Kupplungseinrichtung erfolgt, die gelenkig an einem Fahrzeugkasten befestigbar ist.This coupling head 10 is provided with a housing 20 which has an abutment surface 12 on the front for a flat contact with an abutment surface of a coupling head to be coupled for coupling two rail vehicles or the like. A connection flange 11 is arranged on the rear of the housing 20, by means of which a connection flange 11 is attached to a pull rod or the like of a coupling device which can be fastened in an articulated manner to a vehicle body.

Zudem ist eine Leitschaufel 15 für ein Zentrieren der zu verbindenden Kupplungsköpfe 10 in einem Winkel zu der Kupplungsrichtung A angeordnet. Sie korrespondiert beim Kuppeln mit einer Leitschaufel des zu kuppelnden Kupplungskopfs, welcher identisch wie der gezeigte Kupplungskopf 10 ausgebildet ist, jedoch um 180° horizontal geschwenkt bei der Kupplungseinrichtung des zu kuppelnden Fahrzeugs befestigt ist.In addition, a guide vane 15 is arranged at an angle to the coupling direction A for centering the coupling heads 10 to be connected. When coupling, it corresponds to a vane of the coupling head to be coupled, which is identical to the coupling head 10 shown, but is pivoted horizontally by 180° and is fastened to the coupling device of the vehicle to be coupled.

In dem Gehäuse 20 ist ein Kupplungs- und Verriegelungsmechanismus 30 integriert, welcher an sich auf bekannte Weise funktioniert und sich aus einer Hebelanordnung mit miteinander zusammenwirkenden schwenkbaren Hebeln zusammensetzt, der nachfolgend näher erläutert ist.Integrated in the housing 20 is a clutch and locking mechanism 30 which functions in a manner known per se and is composed of a lever arrangement with interacting pivotable levers which is explained in more detail below.

Erfindungsgemäss ist das Gehäuse 20 im Wesentlichen als eine einstückige Topfform hergestellt, bei dem bei der vorderen Wand 21 die Stossfläche 12 sowie seitlich zu dieser diese wenigstens eine Leitschaufel 15 und bei der hinteren Wand 22 dieser Anschlussflansch 11 ausgebildet sind.According to the invention, the housing 20 is produced essentially as a one-piece pot shape, in which the abutment surface 12 is formed on the front wall 21 and at least one guide vane 15 is formed on the side of the front wall 21 and this connecting flange 11 is formed on the rear wall 22 .

Dieses im Wesentlichen einstückige topfförmige Gehäuse 20 ist gegossen und es besteht vorzugsweise aus einem Stahl- bzw. Sphäroguss mit einem vorgegebenen Mindestwert seiner Zug- bzw. Druckfestigkeit. Im Prinzip könnte aber das Gehäuse im Sinne einer einstückigen Topfform aus verschiedenen Teilen zusammengeschweisst sein.This essentially one-piece pot-shaped housing 20 is cast and preferably consists of cast steel or nodular cast iron with a predetermined minimum value for its tensile or compressive strength. In principle, however, the housing could be welded together from different parts in the sense of a one-piece pot shape.

Die von der Stossfläche 12 bei der vorderen Wand 21 und die von der hinteren Wand 22 mit dem Anschlussflansch 11 gebildeten Ebenen erstrecken sich V-förmig und die diese verbindenden Seitenwände 24, 26 vorzugsweise von der hinteren gegen die vordere Wand nach innen verlaufen, um damit eine maximale Festigkeit des Gehäuses zu erzielen.The planes formed by the abutment surface 12 at the front wall 21 and by the rear wall 22 with the connecting flange 11 extend in a V-shape and the side walls 24, 26 connecting them preferably run inward from the rear towards the front wall in order to to achieve maximum strength of the housing.

Bei diesem topfförmigen Gehäuse 20 ist entlang seiner unteren Bodenwand 23 zumindest eine durchgehende abgewinkelte Leitungswandung 25 mit Öffnungen 27, 28 gebildet, die von der vorderen Wand 21 mit der Stossfläche 12 bis zu der Rückwand 22 oder allenfalls bis zu Seitenwand 24 des Gehäuses 20 geführt ist und die zur Durchführung einer Hauptlufleitung dient. Diese abgewinkelte Leitungswandung 25 dient gleichsam als Verstärkung des Gehäuses 20. Im Prinzip könnten aber auch anstelle einer solchen Leitungswandung separate Rohre oder Schläuche montiert sein.In this pot-shaped housing 20, at least one continuous angled line wall 25 with openings 27, 28 is formed along its lower bottom wall 23, which is guided from the front wall 21 with the abutment surface 12 to the rear wall 22 or possibly up to the side wall 24 of the housing 20 and which serves to lead through a main air line. This angled line wall 25 serves, as it were, as a reinforcement of the housing 20. In principle, however, separate pipes or hoses could also be mounted instead of such a line wall.

Dem im Wesentlichen aus einer einstückigen Topfform bestehenden Gehäuse 20 ist für die Bildung einer Ausnehmung 14 seitlich der Stossfläche 12 ein verlängerndes Gehäuseteil 29 zum Topf zugeordnet, bei welchem seine Höhe etwas kleiner als diejenige des Gehäuses 20 dimensioniert ist. Dieses verlängernde Gehäuseteil 29 ragt von der vorderen Wand 21 in einer gleichen Ebene weg und es ist durch nach hinten verlaufende Rippen 29' mit einer Schrägseite 24' der Seitenwand 24 des Gehäuses verbunden.The housing 20 , which essentially consists of a one-piece pot shape, is assigned an elongating housing part 29 to the pot to form a recess 14 on the side of the abutment surface 12 , the height of which is slightly smaller than that of the housing 20 . This elongating body part 29 protrudes from the front wall 21 in a same plane and is through rearwardly extending Ribs 29' are connected to a slope 24' of the side wall 24 of the housing.

Die Leitschaufel 15 ist oberhalb des Gehäuses 20 seitlich vorstehend in einem vorgegebenen Winkel zur Stossfläche 12 angeordnet. Der Neigungswinkel der vorderen Führungsfläche 15' zu der Stossfläche 12 beträgt vorzugsweise 45°. Die Leitschaufel kann bei Bedarf auch seitlich über die Seitenwand 26 hinaus vorstehen. Dabei erstreckt sich die Leitschaufel 15 von der äusseren Seitenwand 26 bis annähernd in die Mitte des Gehäuses 20. Es sind ferner noch vorzugsweise quer zu dieser verlaufende mit dem Gehäuse 20 oberseitig verbundene Verstärkungsrippen 15" für eine ausreichende Stabilität der Leitschaufel angeordnet.The guide vane 15 is arranged above the housing 20 so that it projects laterally at a predetermined angle to the abutment surface 12 . The angle of inclination of the front guide surface 15' to the abutment surface 12 is preferably 45°. If necessary, the guide vane can also project laterally beyond the side wall 26 . The guide vane 15 extends from the outer side wall 26 almost to the middle of the housing 20. Reinforcing ribs 15'', which preferably run transversely to this and are connected to the housing 20 on the top side, are also arranged for sufficient stability of the guide vane.

Zudem ist unterhalb der Leitschaufel 15 ein beim Gehäuse 20 zu der Stossfläche 12 vorstehendes Führungsorgan 19 seitlich bei der Ausnehmung 13 angeordnet, welches mit einer annähernd in Kupplungsrichtung A senkrecht zur Stossfläche 12 bzw. senkrecht zur hintern Wand 22 verlaufenden Anschlagfläche 19' und einer trichterförmigen Rampe 19" versehen ist. Damit kann der andere Kupplungskopf beim Einfahren einerseits durch die zusammenwirkenden Leitschaufeln und andererseits mit seinem Gehäuseteil 29 entlang der trichterförmigen Rampe 19" und der Anschlagfläche 19' in die Position gebracht werden, bei der die beiden Stossflächen 12 sich gegenseitig berühren. Dieses Führungsorgan 19 dient dabei auch für die Kraftübertragung der Kupplungsköpfe und für die Festigkeit des Gehäuses 10.In addition, below the guide vane 15 there is a guide element 19 which protrudes from the housing 20 to the abutment surface 12 at the side of the recess 13 and has a stop surface 19' running approximately perpendicular to the abutment surface 12 or perpendicular to the rear wall 22 in the coupling direction A and a funnel-shaped ramp 19". This means that the other coupling head can be brought into the position in which the two abutting surfaces 12 touch each other when retracting, on the one hand by the interacting guide vanes and on the other hand with its housing part 29 along the funnel-shaped ramp 19" and the stop surface 19'. This guide element 19 is also used for the power transmission of the coupling heads and for the strength of the housing 10.

Beim Kuppeln wirkt diese Leitschaufel 15 und dieses Führungsorgan 19 mit einer solchen des andern zu kuppelnden Kupplungskopfs derart zusammen, dass die Kupplungsköpfe zueinander in Kupplungsrichtung A in die gewünschte Kupplungsposition mit Höhen- und Seitenzentrierung führbar sind, wobei das Kuppeln aber hauptsächlich auch bei den sich berührenden Stossflächen 12 erfolgt.During coupling, this guide vane 15 and this guide member 19 interact with one of the other coupling head to be coupled in such a way that that the coupling heads can be guided to one another in the coupling direction A in the desired coupling position with vertical and lateral centering, but the coupling mainly also takes place at the abutting surfaces 12 that are in contact.

Für die Positionierung der Hebel des Kupplungs- und Verriegelungsmechanismus 30 sind im Gehäuse 20 ein bei Auflageflächen 17 gehaltenes Stützelement 37 und Lagerungen 18 integriert. Dieser Kupplungs- und Verriegelungsmechanismus 30 entspricht von seiner Bau- und Funktionsweise demjenigen, wie dieser in der eingangs erwähnten Druckschrift EP-A-0 972 693 im Detail veranschaulicht und erläutert ist. Es sind daher nachfolgend nicht mehr alle Einzelheiten dargetan.For the positioning of the lever of the coupling and locking mechanism 30 , a support element 37 held at bearing surfaces 17 and bearings 18 are integrated in the housing 20 . This coupling and locking mechanism 30 corresponds in terms of its structure and function to that in the publication mentioned at the outset EP-A-0 972 693 illustrated and explained in detail. Therefore, not all details are shown below.

Gemäss Fig. 3 ist beidseitig zur Stossfläche 12 der vorderen Wand 21 des Gehäuses 20 je eine Ausnehmung 13, 14 vorhanden, von denen durch die eine Ausnehmung 13 dieser gegenüber der Stossfläche 12 vorstehende Riegel 35 hindurchragt, während in die andere Ausnehmung 14 ein entsprechender Riegel des andern zu kuppelnden nicht gezeigten Kupplungskopfs eingreifen kann, wobei letzterer wie erwähnt identisch wie der gezeigte Kupplungskopf 10 ausgebildet ist, der jedoch um 180° horizontal geschwenkt am zu kuppelnden Fahrzeug angeordnet ist.According to 3 there is a recess 13, 14 on each side of the abutment surface 12 of the front wall 21 of the housing 20, of which the one recess 13 protrudes from the bolt 35 protruding from the abutment surface 12, while a corresponding bolt of the other to be coupled extends into the other recess 14 coupling head, not shown, can intervene, the latter, as mentioned, being identical in design to the coupling head 10 shown, which, however, is arranged horizontally pivoted by 180° on the vehicle to be coupled.

Im Innern des Gehäuses 20 ist dieser schwenkbare Riegel 35 um eine senkrechte Achse 35A zur Bodenwand 23 von einer Ausgangs- in eine Wirkstellung und umgekehrt schwenkbar gelagert. Dieser Riegel 35 hat, wie in Fig. 3 ersichtlich ist, einen zur Stossfläche 12 vorstehenden Flügelteil 36 mit einer Kontaktfläche 36' und gegenüberliegend einen Flügelteil 36". Beim Kuppeln kommt der äussere Flügelteil 36 mit einer Frontfläche des Gehäuseteils 29 des andern Kupplungskopfs beim Verschieben in Berührung und es wird eine Verdrehung des Riegels 35 bewirkt.Inside the housing 20, this pivotable bolt 35 is pivotably mounted about an axis 35A perpendicular to the bottom wall 23 from an initial position to an operative position and vice versa. This bolt 35 has, as in 3 As can be seen, a wing part 36 protruding towards the abutment surface 12 with a contact surface 36' and opposite a wing part 36". When coupling, the outer wing part 36 comes with a front surface of the housing part 29 of the other coupling head when shifting in contact and it causes a rotation of the bolt 35.

Dieser Riegel 35 ist mit einem Rollenhebel 31 und letzterer mit einem Nockenhebel 32 derart wirkverbunden, dass der Riegel entweder eine Kupplung mit dem andern Kupplungskopf oder ein Entkuppeln bewirkt. Zu diesem Zwecke ist der Rollenhebel 31 und der Nockenhebel 32 durch je ein Federorgan in eine Drehrichtung vorgespannt, so dass der Rollenhebel 31 ein Drehmoment auf den Riegel 35 in die entkuppelte Stellung und der Nockenhebel 32 den Rollenhebel 31 in der gekuppelten Stellung die Verriegelung bewirkend hintergreift und aufrechterhält. Der Nockenhebel 32 ist mit einem steuerbaren Betätigungsmittel drehverbunden und kann von diesem für das Entkuppeln automatisch gedreht werden. Damit gibt er den Rollenhebel 31 frei, welcher seinerseits wiederum durch den Nockenhebel 32 gegen die Federkraft in den entkuppelten Zustand gebracht wird. Der Nocken- 31 und der Rollenhebel 32 bleiben gegeneinander verspannt. Beim Auseinanderfahren der beiden Kupplungsköpfe wird der Riegel 35 gedreht, der sich dann aus der Ausnehmung (14) des andern Kupplungskopfs herausschwenkt und die Selbsthaltung zwischen Nocken- und Rollenhebel aufhebt. Diese bewegen sich in der Folge wieder in den kuppelbereiten Zustand zurück.This bolt 35 is operatively connected to a roller lever 31 and the latter to a cam lever 32 in such a way that the bolt effects either a coupling with the other coupling head or a decoupling. For this purpose, the roller lever 31 and the cam lever 32 are each prestressed in one direction of rotation by a spring element, so that the roller lever 31 applies a torque to the bolt 35 in the uncoupled position and the cam lever 32 engages behind the roller lever 31 in the coupled position, causing the locking and maintains. The cam lever 32 is rotatably connected to a controllable actuator and can be automatically rotated thereby for decoupling. He thus releases the roller lever 31, which in turn is brought into the uncoupled state by the cam lever 32 against the spring force. The cam 31 and the roller lever 32 remain braced against each other. When the two coupling heads move apart, the bolt 35 is turned, which then swings out of the recess (14) of the other coupling head and cancels the self-locking between the cam and roller lever. These then move back into the ready-to-couple state.

Das Gehäuse 20 ist oberseitig durch einen flachen Deckel 19 dicht verschliessbar. Damit kann der Kupplungs- und Verriegelungsmechanismus 30 einfach und gut zugänglich in dem topfförmigen Gehäuse 20 montiert und anschliessend durch diesen Deckel 19 dicht verschlossen werden.The housing 20 can be tightly closed at the top by a flat cover 19 . In this way, the coupling and locking mechanism 30 can be mounted in the pot-shaped housing 20 in a simple and easily accessible manner and can then be tightly closed by this cover 19 .

Die Erfindung ist mit dem obigen Ausführungsbeispiel und den erwähnten Varianten ausreichend dargetan. Sie könnte aber noch durch weitere Alternativen ausgeführt sein. So könnte diese Leitschaufel je nach den Gegebenheiten anders platziert sein als dargestellt ist, wie zum Beispiel nicht oberhalb des Gehäuses und sie könnte auch am Gehäuse befestigt sein. Ebenso könnte dieser flanschförmige Anschlussflansch rückseitig beim Gehäuse anders als veranschaulicht ausgestaltet sein.The invention is sufficiently demonstrated with the above exemplary embodiment and the variants mentioned. However, it could also be implemented by other alternatives. Thus, depending on the circumstances, this vane could be placed differently than shown, such as not above the housing, and it could also be attached to the housing. Likewise, this flange-shaped connecting flange could be designed differently on the back of the housing than illustrated.

Claims (9)

  1. Coupling head, in particular for a rail vehicle, with a housing (20), which has an abutment surface (12) at the front for a flat contact with an abutment surface of a coupling head to be coupled and a connecting flange (11) at the rear for an attachment to a draw bar or the like, and wherein a coupling and locking mechanism (30) is integrated in the housing (20), wherein with the abutment surface (12) having each a recess (13, 14) on both sides, of which through the one recess (13) a lock bar (35) of the coupling and locking mechanism (30) projects, which is protruding in comparison to the abutment surface (12), while a lock bar (35) of the coupling head to be coupled can be engaged through the other recess (14), characterized in that
    the housing (20) is manufactured essentially as a one-piece pot shape with a bottom wall (23), a front and a rear wall (21, 22) and side walls (24, 26) connecting these, in which with the front wall (21) the abutment surface (12) respectively with the rear wall (22) this connecting flange (11) are formed, wherein with the pivotable mounted lock bar (35) being held pivotable about an axis running vertically to the lower bottom wall (23) and having a roller lever ( 31) and the latter being operatively connected with a cam lever (32) in such a way that the lock bar (35) effects either a coupling with the other coupling head or a decoupling, wherein the roller lever (31) and the cam lever (32) being held articulated by a support element (37) being fixed in the housing (20) or by bearings (18).
  2. Coupling head according to claim 1, characterized in that at least one going through angled opening (22, 28) is formed in the housing (20) along its lower bottom wall (23), which opening (22, 28) is guided from the front wall with the abutment surface (12) to a side wall (24) of the housing (20) and which serves for the passage of a main air line.
  3. Coupling head according to claim 1 or 2, characterized in that an extending housing part (29) is associated with the housing (11) for forming the one recess (14) for a corresponding lock bar of the coupling head to be coupled.
  4. Coupling head according to any one of the claims 1 or 3, characterized in that
    a guide vane (15) above the housing (20) projects laterally at a predetermined angle to the abutment surface (12) in order to cooperate during coupling with a guide vane of the coupling head to be coupled in such a way that the coupling heads can be guided towards each other in the direction of the coupling position.
  5. Coupling head according to claim 4, characterized in that
    below the guide vane (15) by the housing (20) a guide member (19) projecting to the abutment surface (12) is arranged laterally at the recess (13), which guide member is provided with a stop surface (19)' extending approximately perpendicularly to the abutment surface (12) and a funnel-shaped ramp (19"), wherein this guide member (19) serving to transmit the tensile force.
  6. Coupling head according to any one of the claims 1 or 5, characterized in that
    the plane formed by the abutment surface (12) with the front wall (21) and the plane formed by the rear wall (22) with the connecting flange (11) extend in a V-shape and the side walls (24, 26) connecting them preferably extend inwards from the rear wall (22) towards the front.
  7. Housing for a coupling head according to any one of the claims 1 to 6, characterized in that
    the housing (20) is manufactured essentially as a one-piece pot shape with a bottom wall (23), a front and a rear wall (21, 22) and side walls (24, 26) connecting these, in which an abutment surface (12) is formed at the front wall (21) respectively a connecting flange (11) is formed at the rear wall (22).
  8. Housing for a coupling head according to claim 7, characterized in that
    the one-piece pot-shaped housing (20) is cast and preferably consists of a steel or nodular cast iron with a predetermined minimum value of its tensile respectively compressive strength.
  9. Housing for a coupling head according to claim 7, characterized in that
    the housing (20) can be tightly closed at the top by a flat cover (16).
EP19214221.4A 2019-06-14 2019-12-06 Coupling head, especially for a rail vehicle Active EP3750772B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH000805/2019A CH716316B1 (en) 2019-06-14 2019-06-14 Coupling head, in particular for a rail vehicle.

Publications (2)

Publication Number Publication Date
EP3750772A1 EP3750772A1 (en) 2020-12-16
EP3750772B1 true EP3750772B1 (en) 2023-03-29

Family

ID=68834994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19214221.4A Active EP3750772B1 (en) 2019-06-14 2019-12-06 Coupling head, especially for a rail vehicle

Country Status (3)

Country Link
EP (1) EP3750772B1 (en)
CH (3) CH716316B1 (en)
PL (1) PL3750772T3 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE656595A (en) * 1963-12-16 1965-06-03
FR1412470A (en) * 1964-07-28 1965-10-01 Financ Et Ind De Chemins De Fe Improvements to locking and unlocking devices for jaw type automatic couplers
DE19829393A1 (en) 1998-07-01 2000-01-05 Fischer Georg Verkehrstechnik Locking mechanism for coupling arrangements, especially for rail vehicles
DE502004007562D1 (en) * 2004-09-06 2008-08-21 Voith Turbo Scharfenberg Gmbh Coupling head with detachable front plate, for rail vehicles, as well as the associated assembly process
CH705135B1 (en) * 2011-06-21 2015-01-15 Schwab Verkehrstechnik Ag Buffer for a rail vehicle.
DE102013218156A1 (en) * 2013-09-11 2015-03-26 Voith Patent Gmbh Coupling head of a central buffer coupling

Also Published As

Publication number Publication date
PL3750772T3 (en) 2023-09-11
CH716316A2 (en) 2020-12-15
EP3750772A1 (en) 2020-12-16
CH716323A2 (en) 2020-12-15
CH716324A2 (en) 2020-12-15
CH716323B1 (en) 2023-07-14
CH716316B1 (en) 2023-05-15

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