EP2353963A1 - Central buffer coupling for a rail-guided vehicle - Google Patents
Central buffer coupling for a rail-guided vehicle Download PDFInfo
- Publication number
- EP2353963A1 EP2353963A1 EP10197383A EP10197383A EP2353963A1 EP 2353963 A1 EP2353963 A1 EP 2353963A1 EP 10197383 A EP10197383 A EP 10197383A EP 10197383 A EP10197383 A EP 10197383A EP 2353963 A1 EP2353963 A1 EP 2353963A1
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- EP
- European Patent Office
- Prior art keywords
- coupling
- coupling head
- head
- guide
- gripper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/06—Coupling heads constructed to facilitate alignment
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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
Definitions
- the present invention relates to a central buffer coupling for track-guided vehicles according to the preamble of claim 1.
- the invention particularly relates to a central buffer coupling for rail-guided vehicles, preferably an automatic central buffer coupling for rail vehicles, wherein the central buffer coupling has a coupling head for mechanical coupling with a complementary mating coupling head.
- the coupling head has a flat, vertically extending end face. On a first end face half a front end of the projecting centering projection is provided. On the second end face half, a funnel extending into the interior of the coupling head is provided symmetrically with respect to the centering projection.
- the coupling head has a decentralized, preferably below the coupling head, the front surface superior gripper for axial pre-centering when coupling a same counter-coupling head.
- FIG. 1 Such a central buffer coupling is already known in principle from rail vehicle technology.
- the coupling head 101 of a conventional, known from the prior art, type "Fischer" central buffer coupling 100 has an end face 102, wherein on a first end face half - in the in Fig. 1 illustrated embodiment on the right end face half - a front surface 102 projecting forward centering projection 103 and on the second end face half - in the in FIG. 1 illustrated embodiment on the left end face half - symmetrical to the centering projection 103, a funnel 104 is provided, which extends into the interior of the coupling head 101.
- the gripper 105 is arranged with respect to the coupling head 101 such that it covers an area below the funnel 104 in front of the end face 102 of the coupling head 101. This area covered by the gripper 105 defines the gripping area of the coupling head 101.
- the gripper 105 serves for the axial precentering of the coupling head 101 when coupling a mating coupling head of the same design to the coupling head 101 (in FIG Fig. 1 not shown).
- axial alignment or "axial centering” an alignment of the longitudinal axes of the track-guided vehicles to be coupled to each other is meant.
- these are the end faces 102, 102 'generally vertically penetrating vehicle longitudinal axes after a successful axial centering substantially parallel to each other, so that the end faces 102, 102' of the coupling heads 101, 101 'are substantially parallel.
- the in Fig. 1 illustrated coupling head 101 of the known from the prior art center buffer coupling 100 as a centering projection 103 a semi-spherical ball stud, which engages when coupling a coupler head 101 of the same counter-coupling head formed as a corresponding recess funnel of the counter-coupling head.
- This is facilitated by the semi-spherical configuration of the front end portion of the centering projection 103.
- the semi-spherical end region of the centering projection 103 merges in the direction of the end face 102 into a quasi-cylindrical region.
- the lateral surface of the cylindrical region serves in the coupling process as a guide surface, which cooperates with the funnel of the counter-coupling head and aligns the counter-coupling head substantially axially to the coupling head 101.
- the gripping area defined by the gripper 105 of the coupling head 101 thus indicates which offset, deviating from the exact axial alignment, of two central buffer couplings to be coupled for proper coupling must not be exceeded.
- FIGS. 2a and 2b such a scenario is shown.
- Fig. 2a two coupling heads 101, 101 'of a central buffer coupling, for example of the "Fischer" type, in which although a coarse centering of the coupling heads 101, 101' has already taken place with the aid of the respective grippers 105, 105 ', so that the respective centering projections of the two together coupling coupling heads 101, 101 'are at least partially retracted into the respective funnels.
- FIGS. 2a and 2b illustrated coupling heads jammed each other, since the with the grippers 105, 105 'caused pre-centering could not align the end faces 102, 102' of the coupling heads 101, 101 'exactly parallel to each other.
- jamming takes place, about 3 mm before the end faces 102, 102 'of the coupling heads 101, 101' could touch.
- the present invention seeks to further develop a central buffer coupling of the type mentioned in that in a simple to implement but effective way jamming of two coupling heads to be joined together during the coupling process can be prevented.
- this object is achieved according to the invention, on the one hand that in a central buffer coupling of the type mentioned the gripper is attached to one half of the coupling head to the coupling head, and on the other hand that the coupling head further comprises a guide element on the other half of the coupling head, wherein the guide element is formed is to form a guide when coupling the counter-coupling head with the gripper of the counter-coupling head to provide an axial fine adjustment of the coupling head.
- the coupling heads to be coupled are exactly axially aligned during the coupling process, so that jamming or tilting of the centering projection of the coupling head in the hopper of the mating coupling head is practically no longer possible.
- the guide element is arranged on the coupling head such that it falls into the gripping region of the gripper fastened to the counter-coupling head when coupling the counter-coupling head. Since - as already stated - the interaction between the Fmmunselement the coupling head on the one hand and the gripper of the mating coupling head on the other hand serves for fine adjustment of the axial alignment of the coupling heads to be coupled, it is preferred if the guide element only then falls into the gripping region of the counter-coupling head attached gripper, when the two faces of the coupling heads to be coupled (coupling head and counter-coupling head) have already approached to a few millimeters.
- the guide element of the coupling head falls into the gripping region of the counter-coupling head.
- the guide element of the coupling head should only fall into the gripping region of the counter-coupling head gripper when between the end faces of the coupling head and the mating coupling head only a few millimeters distance, in this way jamming of the centering in the corresponding funnel effectively to be able to prevent.
- the gripper of the coupling head is attached to the coupling head and designed so that it covers an area below the funnel in front of the end face of the coupling head.
- the gripper of the coupling head is attached to the coupling head and designed so that it covers an area below the funnel in front of the end face of the coupling head.
- the solution according to the invention is further distinguished by the fact that conventional coupling heads of the "Fischer" type can be retrofitted with an axial fine adjustment in an easy-to-implement and, in particular, cost-effective manner, without the need for complicated conversion measures on the coupling head. It is only necessary to attach the guide member to the coupling head so that it falls into the gripping region of the gripper of the mating coupling head, as soon as the distance between the end faces of the coupling heads to be coupled is only a few millimeters. Accordingly, it is advantageous if the guide element is detachably connected to the coupling head, for example via a screw connection.
- the guide element may be formed as a guide pin.
- the usually rigidly formed guide pin is, for example, cylindrical in shape and extends in such a direction inclined to a horizontal and the plane of the end face that he also in the dome operation with a against a horizontal and the plane of the face inclined extending guide surface of the gripper of the mating coupling head cooperates such that a guide for fine adjustment of the coupling heads to be coupled together is ensured.
- the guide element can also be provided in a particularly preferred manner, to form the guide element as a spring-mounted guide body.
- This guide body is preferably pressed during coupling by means of at least one spring element in the direction in which extends the gripping region of the gripper of the counter-coupling head. Due to the resilient mounting of such a guide body, an effective guidance can be ensured even with increased play between the clutch heads to be coupled together, without the guide element in the form of the spring-mounted guide body would be claimed by large friction on the gripper over charge.
- resilient mounting is to be understood as those solutions in which the restoring force which presses the guide body in the direction of the gripper of the mating coupling head, by spring-like elements, such as a gas pressure element or the like is generated ,
- the guide body has a specially shaped front surface which cooperates during the Ankuppelvorganges the counter-coupling head with the guide surface of the gripper of the counter-coupling head, that the contact of the two surfaces a simple displacement of the guide body against the restoring force of the spring element ensures in a position and which allows a guided sliding along the front surface of the guide body on the guide surface of the gripper of the counter-coupling head.
- Fig. 3 shows in a perspective oblique view from below the coupling head 1 a central buffer coupling according to an embodiment of the present invention during the coupling process with a coupler head 1 identically designed counter-coupling head 1 ', wherein the counter-coupling head 1' with respect to the coupling head 1 is not exactly aligned axially.
- Fig. 3 a state shown in which the two to be coupled coupling heads 1, 1 'are already roughly aligned with each other.
- the gripper 5 is attached to an edge region of the coupling head 1.
- the gripper 5 has a typical for central buffer couplings of the "Fischer" configuration and covers before the end face 2 of the coupling head 1 a portion below a provided on the left end face half of the end face 2 hopper 4 from.
- the counter-coupling head 1 ' is identical to the coupling head 1 executed. Accordingly, in the accompanying drawings, the components of the counter-coupling head 1 'are provided with corresponding reference numerals. On an explicit description of the structure and operation of the counter-coupling head 1 'is at this Job waived. Rather, reference is made to the corresponding statements to the coupling head 1.
- an additional axial fine alignment when coupling the coupling head 1 is provided.
- This axial fine alignment causes precise axial alignment between the coupling head 1 and the mating coupling head 1 'after the engagement of the centering projection and the hopper to prevent tilting of the centering projection of the coupling head entering the hopper of the mating coupling head 1'.
- a guide pin 7 is provided which on the gripper 5 opposite side - at the in Fig. 3 illustrated embodiment on the right side - the coupling head 1 is fixed.
- the attachment of the guide pin 7 on the coupling head 1 can be done for example via a screw 8. This is particularly advantageous if a conventional coupling head of a "Fischer" type central buffer coupling is to be retrofitted with a fine adjustment, as proposed herein.
- the guide pin 7 is formed and attached to the coupling head 1, that this in the gripping region of belonging to the mating coupling head 1 'gripper 5' falls as soon as the respective end faces 2, 2 'of the coupling head 1 and the mating coupling head 1' have approached to a few millimeters.
- the guide pin 7 falls into the gripping area of the gripper 5 'belonging to the mating coupling head 1', the axial fine alignment takes place between the coupling heads 1 and 1 'to be coupled, as a result jamming or tilting of the respective one in the associated hopper retracting centering can be effectively prevented.
- the gripper 5 used in the embodiment according to the invention and the structural and functional point of view correspond to the gripper 105 which is used in the gripper 105 in FIG Fig. 1 shown and known from the prior art middle buffer coupling type "Fischer" is used.
- the gripper 5 has a guide surface 8, with which forms the guide for fine adjustment of the coupling head 1 when coupling the counter-coupling head 1 'of the guide pin of the identical to the coupling head mating coupling head.
- the guide surface 8 extends downwards against a horizontal and inclined against the plane of the end face 2, in order to guarantee a large gripping area in side and height, which also allows the coupling in curves, or at crests.
- Fig. 4 is a view of the coupling head 1 of a central buffer coupling according to an embodiment of the invention, in a plan view in the direction of the coupling plane.
- Fig. 4 a state shown in which the coupling head 1 to the coupling head 1 'couples a counter-coupling, however, the coupling head 1 and the counter-coupling 1' are not exactly aligned axially with each other.
- Fig. 5 shows a state after the counter-coupling head 1 'has been axially aligned relative to the coupling head 1 by means of the guide pin 7.
- the two coupling heads (coupling head 1 and mating coupling head 1 'are aligned exactly axially to each other, so that the respective centering projection can completely retract into the appropriate funnel without the risk of jamming or jamming.
- FIG. 6 The perspective oblique view from below of the coupling head of a central buffer coupling according to a second embodiment as in FIG. 6 shown corresponds in large parts of the representation FIG. 3
- the guide element (7, 7 ', 70, 70') as a guide body (70, 70 ') is formed.
- This guide body 70 is in the FIG. 6a which made a cut out FIG. 6 represents shown in detail.
- the guide body 70 is movably mounted in a partially open housing 74 along its longitudinal extension direction and is urged by means of spring elements 72 in the direction of the gripper 5 'of the counter-coupling head 1'.
- the gripper 5 'facing front surface 73 of the guide body 70 comes during an insufficient precentered coupling operation with the guide surface of the gripper 5' of the mating coupling head 1 'in contact, whereby the entire guide body 70 against the restoring force of the spring element 73 in the direction of the front surface 75 opposite End surface 71 shifted.
- the restoring force of the spring element or the spring elements 73 is in this case selected so that they analogous to the first embodiment by cooperation with the guide surface of the gripper 5 'of the mating coupling head 1' ensures a safe axial fine adjustment of the coupling heads 1, 1 'to be coupled together.
- the restoring force of the at least one spring element 73 is selected so that during the coupling process so that during contact of the guide surface of the gripper 5 'with the front surface 75 of the guide body 70 by moving the guide body 70 from its rest position against the restoring force, the friction between the Both surfaces is kept below an allowable limit, which counteracts an inadmissible high wear due to the material removal or even damage to the guide body 70.
- the guide element By forming the guide element as a guide body 70, 70 'according to the second embodiment, it is thus also possible to enable a low-wear and at the same time secure coupling operation with a larger coupling head clearance or poor axial pre-centering of the coupling heads to be coupled together.
- a limiting means 72 is provided in the region of the end face 71 of the guide body 70, which is a pressing out of the guide body 70 by the restoring force of at least prevents a spring element 73 from the housing 74.
- other resilient solutions for resilient mounting of the guide body can be provided, such as hydraulic spring elements.
- FIG. 7 Finally, a view is shown on the coupling head of a central buffer coupling according to the second embodiment of the invention, wherein the viewing direction of the drawing according to FIG. 7 pointing in the direction of the coupling plane.
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Abstract
Description
Die vorliegende Erfindung betrifft eine Mittelpufferkupplung für spurgeführte Fahrzeuge nach dem Oberbegriff des Patentanspruches 1.The present invention relates to a central buffer coupling for track-guided vehicles according to the preamble of
Demgemäß betrifft die Erfindung insbesondere eine Mittelpufferkupplung für spurgeführte Fahrzeuge, vorzugsweise eine automatische Mittelpufferkupplung für Schienenfahrzeuge, wobei die Mittelpufferkupplung einen Kupplungskopf aufweist zum mechanischen Kuppeln mit einem komplementär ausgebildeten Gegenkupplungskopf. Der Kupplungskopf weist eine ebene, vertikal verlaufende Stirnfläche auf. Auf einer ersten Stirnflächenhälfte ist ein die Stirnfläche nach vorn überragender Zentriervorsprung vorgesehen. Auf der zweiten Stirnflächenhälfte ist symmetrisch zum Zentriervorsprung ein sich in das Innere des Kupplungskopf erstreckender Trichter vorgesehen. Ferner weist der Kupplungskopf einen dezentral, vorzugsweise unterhalb des Kupplungskopfes die Stirnfläche überragenden Greifer auf zum axialen Vorzentrieren beim Ankoppeln eines gleich ausgebildeten Gegenkupplungskopfes.Accordingly, the invention particularly relates to a central buffer coupling for rail-guided vehicles, preferably an automatic central buffer coupling for rail vehicles, wherein the central buffer coupling has a coupling head for mechanical coupling with a complementary mating coupling head. The coupling head has a flat, vertically extending end face. On a first end face half a front end of the projecting centering projection is provided. On the second end face half, a funnel extending into the interior of the coupling head is provided symmetrically with respect to the centering projection. Furthermore, the coupling head has a decentralized, preferably below the coupling head, the front surface superior gripper for axial pre-centering when coupling a same counter-coupling head.
Eine derartige Mittelpufferkupplung ist dem Prinzip nach bereits aus der Schienenfahrzeugtechnik bekannt. Beispielsweise ist in
Im Einzelnen ist der Greifer 105 in Bezug auf den Kupplungskopf 101 derart angeordnet, dass er vor der Stirnfläche 102 des Kupplungskopfes 101 einen Bereich unterhalb des Trichters 104 abdeckt. Dieser von dem Greifer 105 abgedeckte Bereich definiert den Greifbereich des Kupplungskopfes 101. Der Greifer 105 dient zum axialen Vorzentrieren des Kupplungskopfes 101 beim Ankoppeln eines zu dem Kupplungskopf 101 gleich ausgebildeten Gegenkupplungskopfes (in
In diesem Zusammenhang sei darauf hingewiesen, dass mit dem Begriff "Axiales Ausrichten" bzw. "Axiales Zentrieren" eine fluchtende Ausrichtung der Längsachsen der miteinander zu kuppelnden spurgeführten Fahrzeuge gemeint ist. Im Einzelnen sollen diese die Stirnflächen 102, 102' im Allgemeinen senkrecht durchstoßenden Fahrzeuglängsachsen nach einer erfolgten axialen Zentrierung im Wesentlichen parallel zueinander verlaufen, sodass sich die Stirnflächen 102, 102' der Kupplungsköpfe 101, 101' im Wesentlichen parallel gegenüberstehen.In this context, it should be noted that the term "axial alignment" or "axial centering" an alignment of the longitudinal axes of the track-guided vehicles to be coupled to each other is meant. In detail, these are the
Im Einzelnen weist der in
Hierbei ist zu berücksichtigen, dass die genaue axiale Ausrichtung zwischen zwei Mittelpufferkupplungen zweier benachbarter Wagenkästen eines Schienenfahrzeuges im Betriebseinsatz vor dem Ineinandergreifen der Kupplungsköpfe praktisch nicht gegeben ist. Ursache sind einerseits die Fahrweg- und andererseits die Fahrzeuggegebenheiten. Es sind somit Höhen- und Seitenversatz, aber auch Winkelversatz vor dem Kuppelvorgang auszugleichen.It should be noted that the exact axial alignment between two central buffer clutches of two adjacent car bodies of a rail vehicle in operational use prior to the engagement of the coupling heads practically not given is. Cause are on the one hand the track and on the other hand the vehicle conditions. There are thus height and lateral offset, but also offset the angular offset before the coupling process.
Der mit dem Greifer 105 des Kupplungskopfes 101 definierte Greifbereich gibt somit an, welcher von der exakten axialen Ausrichtung abweichende Versatz von zwei zu kuppelnden Mittelpufferkupplungen für ein ordnungsgemäßes Kuppeln nicht überschritten werden darf.The gripping area defined by the
Beim Zusammenfahren der miteinander zu kuppelnden Kupplungsköpfe unter Versatz finden sich diese durch das Vorsehen der Greifer 105 und gleiten zunächst ineinander zumindest teilweise ein, wobei der Zentriervorsprung 103 des Kupplungskopfes 101 in den Trichter des Gegenkupplungskopfes eindringt. Wenn der Zentriervorsprung 103 des Kupplungskopfes 101 in den Trichter des Gegenkupplungskopfes eindringt, wird durch das Zusammenwirken dieser beiden Zentriereinrichtungen eine Führung gebildet mit dem Ziel, eine möglichst axiale Feinausrichtung der beiden miteinander zu kuppelnden Kupplungsköpfe zu erreichen.When moving together to be coupled coupling heads with offset they are found by the provision of the
Insbesondere wenn allerdings der Zentriervorsprung 103 des Kupplungskopfes 101 relativ weit die Stirnfläche 102 des Kupplungskopfes 101 nach vorne überragt, wie es beispielsweise bei Kupplungsköpfen vom Typ "Fischer" der Fall ist, besteht die Gefahr, dass beim Kupplungsvorgang der bereits in den Trichter des Gegenkupplungskopfes teilweise eingedrungene Zentriervorsprung 103 des Kupplungskopfes 101 verkantet, und zwar bevor sich die Stirnflächen der Kupplungsköpfe berühren und dadurch parallel ausrichten können.In particular, however, if the
In den
Wenn zwei Kupplungsköpfe beim Kupplungsvorgang verklemmen, kann nicht gekuppelt werden, d.h. es kann keine wirksame mechanische Verbindung zwischen den beiden Kupplungsköpfen ausgebildet werden. Vielmehr ist es unumgänglich, die Kupplungen wieder leicht auseinander zu fahren, von Hand auszurichten und erneut zu kuppeln.If two coupling heads jam in the coupling process, it is not possible to couple, i. E. no effective mechanical connection can be formed between the two coupling heads. Rather, it is unavoidable, the clutches again slightly apart, align by hand and re-couple.
Auf Grundlage dieser Problemstellung liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Mittelpufferkupplung der eingangs genannten Art dahingehend weiterzubilden, dass in einer einfach zu realisierenden aber dennoch effektiven Weise ein Verklemmen von zwei miteinander zu verbindenden Kupplungsköpfe beim Kupplungsvorgang verhindert werden kann.Based on this problem, the present invention seeks to further develop a central buffer coupling of the type mentioned in that in a simple to implement but effective way jamming of two coupling heads to be joined together during the coupling process can be prevented.
Diese Aufgabe wird durch den Gegenstand des unabhängigen Patentanspruches 1 gelöst.This object is solved by the subject matter of
Insbesondere wird diese Aufgabe erfindungsgemäß dadurch gelöst, einerseits dass bei einer Mittelpufferkupplung der eingangs genannten Art der Greifer an einer Hälfte des Kupplungskopfes an dem Kupplungskopf befestigt ist, und andererseits dass der Kupplungskopf ferner ein Führungselement an der anderen Hälfe des Kupplungskopfes aufweist, wobei das Führungselement ausgebildet ist, beim Ankoppeln des Gegenkupplungskopfes mit dem Greifer des Gegenkupplungskopfes eine Führung zu bilden, um eine axiale Feinjustierung des Kupplungskopfes bereitzustellen.In particular, this object is achieved according to the invention, on the one hand that in a central buffer coupling of the type mentioned the gripper is attached to one half of the coupling head to the coupling head, and on the other hand that the coupling head further comprises a guide element on the other half of the coupling head, wherein the guide element is formed is to form a guide when coupling the counter-coupling head with the gripper of the counter-coupling head to provide an axial fine adjustment of the coupling head.
Die mit der erfindungsgemäßen Lösung erzielbaren Vorteile liegen auf der Hand. Durch das Vorsehen eines zusätzlichen Führungselementes, welcher mit dem Greifer des Gegenkupplungskopfes zusammenwirkt, werden die zu kuppelnden Kupplungsköpfe beim Kupplungsvorgang genau axial zueinander ausgerichtet, so dass ein Verklemmen oder Verkanten des Zentriervorsprunges des Kupplungskopfes in dem Trichter des Gegenkupplungskopfes praktisch nicht mehr möglich ist. Im Einzelnen ist zum genauen axialen Ausrichten der zu kuppelnden Kupplungsköpfe vorgesehen, dass - nachdem eine Grob-Ausrichtung der Kupplungsköpfe mit Hilfe der entsprechenden Greifer stattgefunden hat - das Führungselement des Kupplungskopfes ein weiteres Annähern der zu kuppelnden Kupplungsköpfe nur dann zulässt, wenn der Gegenkupplungskopf im Hinblick auf den Kupplungskopf genau axial ausgerichtet ist. Dies erfolgt erfindungsgemäß dadurch, dass das Führungselement des Kupplungskopfes nach der mit Hilfe der Greifer bereits erfolgten Grob-Zentrierung den Greifer des Gegenkupplungskopfes in die Position drückt, in welcher der Gegenkupplungskopf relativ zu dem Kupplungskopf genau axial ausgerichtet ist.The achievable with the inventive solution advantages are obvious. By providing an additional guide element which cooperates with the gripper of the mating coupling head, the coupling heads to be coupled are exactly axially aligned during the coupling process, so that jamming or tilting of the centering projection of the coupling head in the hopper of the mating coupling head is practically no longer possible. Specifically, it is provided for the exact axial alignment of the coupling heads to be coupled, that - after a coarse alignment of the coupling heads has taken place with the aid of the corresponding gripper - the guide element of the coupling head allows a further approach of the coupling heads to be coupled only if the counter-coupling head in terms is aligned exactly axially on the coupling head. this happens According to the invention in that the guide element of the coupling head after the already done with the help of the gripper coarse-centering presses the gripper of the counter-coupling head in the position in which the counter-coupling head is aligned exactly axially relative to the coupling head.
Vorteilhafte Weiterbildungen der erfindungsgemäßen Lösung sind in den abhängigen Patentansprüchen angegeben.Advantageous developments of the solution according to the invention are specified in the dependent claims.
In einer bevorzugten Realisierung der erfindungsgemäßen Mittelpufferkupplung ist vorgesehen, dass das Führungselement derart an dem Kupplungskopf angeordnet ist, dass er beim Ankoppeln des Gegenkupplungskopfes in den Greifbereich des am Gegenkupplungskopf befestigten Greifers fällt. Da - wie bereits ausgeführt - das Zusammenwirken zwischen dem Führunselement des Kupplungskopfes einerseits und dem Greifer des Gegenkupplungskopfes andererseits zur Feinjustierung der axialen Ausrichten der zu kuppelnden Kupplungsköpfe dient, ist es bevorzugt, wenn das Führungselement erst dann in den Greifbereich des am Gegenkupplungskopf befestigten Greifers fällt, wenn sich die beiden Stirnflächen der zu kuppelnden Kupplungsköpfe (Kupplungskopf und Gegenkupplungskopf) bereits auf wenige Millimeter angenähert haben. Hierbei ist zu berücksichtigen, dass die axiale Ausrichtung zwischen den zu kuppelnden Kupplungsköpfen umso genauer ist, je später beim Kupplungsvorgang das Führungselement des Kupplungskopfes in den Greifbereich des Gegenkupplungskopfes fällt. Mit anderen Worten, das Führungselement des Kupplungskopfes sollte erst dann in den Greifbereich des am Gegenkupplungskopf befestigten Greifers fallen, wenn zwischen den Stirnflächen des Kupplungskopfes und des Gegenkupplungskopfes nur noch wenige Millimeter Abstand beträgt, um auf diese Weise ein Verklemmen des Zentriervorsprunges in dem entsprechenden Trichter wirksam verhindern zu können.In a preferred embodiment of the central buffer coupling according to the invention, it is provided that the guide element is arranged on the coupling head such that it falls into the gripping region of the gripper fastened to the counter-coupling head when coupling the counter-coupling head. Since - as already stated - the interaction between the Führunselement the coupling head on the one hand and the gripper of the mating coupling head on the other hand serves for fine adjustment of the axial alignment of the coupling heads to be coupled, it is preferred if the guide element only then falls into the gripping region of the counter-coupling head attached gripper, when the two faces of the coupling heads to be coupled (coupling head and counter-coupling head) have already approached to a few millimeters. It should be noted that the axial alignment between the coupling heads to be coupled is the more accurate, the later the coupling element, the guide element of the coupling head falls into the gripping region of the counter-coupling head. In other words, the guide element of the coupling head should only fall into the gripping region of the counter-coupling head gripper when between the end faces of the coupling head and the mating coupling head only a few millimeters distance, in this way jamming of the centering in the corresponding funnel effectively to be able to prevent.
Besonders bevorzugt ist vorgesehen, dass der Greifer des Kupplungskopfes derart an dem Kupplungskopf befestigt und ausgelegt ist, dass er vor der Stirnfläche des Kupplungskopfes einen Bereich unterhalb des Trichters abdeckt. Bei dieser Ausführungsform werden beim Kuppelvorgang, nachdem die Grob-Zentrierung des Gegenkupplungskopfes mit Hilfe des Greifers relativ zu dem Kupplungskopf erfolgt ist, auf jeder Hälfte des Kupplungskopfes eine zur Feinjustierung dienende Führung bereitgestellt, nämlich die mit dem Führungselement erzielbare Führung einerseits und die mit dem in den Trichter des Gegenkupplungskopfes eingefahrenen Zentriervorsprung andererseits.Particularly preferably, it is provided that the gripper of the coupling head is attached to the coupling head and designed so that it covers an area below the funnel in front of the end face of the coupling head. In this embodiment, in the dome operation after the coarse-centering of the counter-coupling head is carried out by means of the gripper relative to the coupling head, on each half of the coupling head serving for fine adjustment guide is provided, namely the achievable with the guide member on the one hand and the with the in the funnel of the counter-coupling head retracted centering projection on the other.
Die erfindungsgemäße Lösung zeichnet sich ferner dadurch aus, dass in einer einfach zu realisierenden und insbesondere kostengünstigen Weise herkömmliche Kupplungsköpfe vom Typ "Fischer" mit einer axialen Feinjustierung nachgerüstet werden können, ohne dass hierzu aufwändige Umbaumaßnahmen an dem Kupplungskopf erforderlich sind. Es ist lediglich erforderlich, das Führungselement derart an dem Kupplungskopf zu befestigen, dass dieses in den Greifbereich des Greifers des Gegenkupplungskopfes fällt, sobald der Abstand zwischen den Stirnflächen der zu kuppelnden Kupplungsköpfe nur noch wenige Millimeter beträgt. Demgemäß ist es von Vorteil, wenn das Führungselement beispielsweise über eine Schraubverbindung lösbar mit dem Kupplungskopf verbunden ist.The solution according to the invention is further distinguished by the fact that conventional coupling heads of the "Fischer" type can be retrofitted with an axial fine adjustment in an easy-to-implement and, in particular, cost-effective manner, without the need for complicated conversion measures on the coupling head. It is only necessary to attach the guide member to the coupling head so that it falls into the gripping region of the gripper of the mating coupling head, as soon as the distance between the end faces of the coupling heads to be coupled is only a few millimeters. Accordingly, it is advantageous if the guide element is detachably connected to the coupling head, for example via a screw connection.
In bevorzugter Weise kann das Führungselement als Führungszapfen ausgebildet sein. Hierbei ist es insbesondere vorteilhaft, wenn der in der Regel starr ausgebildete Führungszapfen beispielsweise zylinderförmig ausgebildet ist und sich derart in eine gegen eine Horizontale und die Ebene der Stirnfläche geneigte Richtung erstreckt, dass er beim Kuppelvorgang mit einer gegen eine Horizontale und die Ebene der Stirnfläche ebenfalls geneigt verlaufende Führungsfläche des Greifers des Gegenkupplungskopfes derart zusammenwirkt, dass eine Führung zum Feinjustieren der miteinander zu kuppelnden Kupplungsköpfe gewährleistet ist.In a preferred manner, the guide element may be formed as a guide pin. Here, it is particularly advantageous if the usually rigidly formed guide pin is, for example, cylindrical in shape and extends in such a direction inclined to a horizontal and the plane of the end face that he also in the dome operation with a against a horizontal and the plane of the face inclined extending guide surface of the gripper of the mating coupling head cooperates such that a guide for fine adjustment of the coupling heads to be coupled together is ensured.
Weiterhin kann es in besonders bevorzugter Weise ebenfalls vorgesehen sein, das Führungselement als federnd gelagerten Führungskörper auszubilden. Dieser Führungskörper wird vorzugsweise beim Ankuppeln mittels mindestens eines Federelements in die Richtung gedrückt, in welcher sich der Greifbereich des Greifers des Gegenkupplungskopfes erstreckt. Durch die federnde Lagerung eines solchen Führungskörpers kann auch bei erhöhtem Spiel zwischen den miteinander zu kuppelnden Kupplungsköpfen eine wirksame Führung sichergestellt werden, ohne dass das Führungselement in Form des federnd gelagerten Führungskörpers durch große Reibung am Greifer über Gebühr beansprucht würde.Furthermore, it can also be provided in a particularly preferred manner, to form the guide element as a spring-mounted guide body. This guide body is preferably pressed during coupling by means of at least one spring element in the direction in which extends the gripping region of the gripper of the counter-coupling head. Due to the resilient mounting of such a guide body, an effective guidance can be ensured even with increased play between the clutch heads to be coupled together, without the guide element in the form of the spring-mounted guide body would be claimed by large friction on the gripper over charge.
Hierbei ist zu beachten, dass unter dem Begriff "federnde Lagerung" auch solche Lösungen verstanden werden sollen, bei welchen die Rückstellkraft, welche den Führungskörper in Richtung des Greifers des Gegenkupplungskopfes drückt, durch feder-ähnliche Elemente, wie beispielsweise ein Gasdruckelement oder Ähnliches erzeugt wird.It should be noted that the term "resilient mounting" is to be understood as those solutions in which the restoring force which presses the guide body in the direction of the gripper of the mating coupling head, by spring-like elements, such as a gas pressure element or the like is generated ,
In besonders bevorzugter Weise kann es vorgesehen sein, dass der Führungskörper eine speziell geformte Vorderfläche aufweist, welche während des Ankuppelvorganges des Gegenkupplungskopfes mit der Führungsfläche des Greifers des Gegenkupplungskopfes derart zusammenwirkt, dass der Kontakt der beiden Flächen ein einfaches Verschieben des Führungskörpers gegen die Rückstellkraft des Federelements in eine Position sicherstellt und welche ein geführtes Entlanggleiten der Vorderfläche des Führungskörpers an der Führungsfläche des Greifers des Gegenkupplungskopfes erlaubt.In a particularly preferred manner, it may be provided that the guide body has a specially shaped front surface which cooperates during the Ankuppelvorganges the counter-coupling head with the guide surface of the gripper of the counter-coupling head, that the contact of the two surfaces a simple displacement of the guide body against the restoring force of the spring element ensures in a position and which allows a guided sliding along the front surface of the guide body on the guide surface of the gripper of the counter-coupling head.
Ausführungsbeispiele der Erfindung sind in den nachfolgenden Zeichnungen schematisch dargestellt.Embodiments of the invention are shown schematically in the following drawings.
Es zeigen:
- Fig. 1
- eine perspektivische Schrägansicht eines Kupplungskopfes einer aus dem Stand der Technik bekannten Mittelpufferkupplung vom Typ "Fischer";
- Fig. 2a
- eine perspektivische Schrägansicht auf zwei aus dem Stand der Technik bekannte Kupplungsköpfe, welche ineinander beim Kupplungsvorgang verklemmt sind;
- Fig. 2b
- eine perspektivische Schrägansicht auf die Kupplungsköpfe gemäß
Fig. 2a ; - Fig. 3
- eine perspektivische Schrägansicht von unten auf den Kupplungskopf einer Mittelpufferkupplung gemäß einer ersten Ausführungsform der Erfindung beim Kupplungsvorgang mit einem Gegenkupplungskopf;
- Fig. 4
- eine Ansicht auf den Kupplungskopf einer Mittelpufferkupplung gemäß einer ersten Ausführungsform der Erfindung in Richtung Kupplungsebene während des Kupplungsvorganges mit einem axial nicht ausgerichteten Gegenkupplungskopf;
- Fig. 5
- eine Ansicht auf einen Kupplungskopf einer Mittelpufferkupplung gemäß einer ersten Ausführungsform der Erfindung in Richtung Kupplungsebene, nachdem ein Gegenkupplungskopf axial relativ zu dem Kupplungskopf ausgerichtet wurde;
- Fig. 6
- eine perspektivische Schrägansicht von unten auf den Kupplungskopf einer Mittelpufferkupplung gemäß einer zweiten Ausführungsform der Erfindung beim Kupplungsvorgang mit einem Gegenkupplungskopf;
- Fig. 6a
- eine Detailansicht auf das als Führungskörper ausgebildete Führungselement und einen Teil des Greifers des Gegenkupplungskopfes aus
Figur 6 ; und - Fig. 7
- eine Ansicht auf einen Kupplungskopf einer Mittelpufferkupplung gemäß einer zweiten Ausführungsform der Erfindung in Richtung Kupplungsebene beim Kupplungsvorgang mit einem Gegenkupplungskopf.
- Fig. 1
- an oblique perspective view of a coupling head of a known from the prior art, type "Fischer" central buffer coupling;
- Fig. 2a
- an oblique perspective view of two known from the prior art coupling heads, which are jammed in each other in the coupling process;
- Fig. 2b
- an oblique perspective view of the coupling heads according to
Fig. 2a ; - Fig. 3
- an oblique perspective view from below of the coupling head of a central buffer coupling according to a first embodiment of the invention in the coupling operation with a counter-coupling head;
- Fig. 4
- a view of the coupling head of a central buffer coupling according to a first embodiment of the invention in the direction of the coupling plane during the coupling process with an axially non-aligned counter-coupling head;
- Fig. 5
- a view of a coupling head of a central buffer coupling according to a first embodiment of the invention in the direction of the coupling plane, after a counter-coupling head has been aligned axially relative to the coupling head;
- Fig. 6
- an oblique perspective view from below of the coupling head of a central buffer coupling according to a second embodiment of the invention in the coupling operation with a counter-coupling head;
- Fig. 6a
- a detailed view of the trained as a guide body guide member and a part of the gripper of the counter-coupling head
FIG. 6 ; and - Fig. 7
- a view of a coupling head of a central buffer coupling according to a second embodiment of the invention in the direction of the coupling plane in the coupling process with a mating coupling head.
Wie dargestellt, weist der Kupplungskopf 1 einen Greifer 5 auf, welcher über eine Schraubverbindung 6 lösbar mit dem Kupplungskopf 1 verbunden ist. Im Einzelnen ist der Greifer 5 an einem Randbereich des Kupplungskopfes 1 befestigt. Der Greifer 5 weist eine für Mittelpufferkupplungen vom Typ "Fischer" typische Konfiguration auf und deckt vor der Stirnfläche 2 des Kupplungskopfes 1 einen Bereich unterhalb eines auf der linken Stirnflächenhälfte der Stirnfläche 2 vorgesehenen Trichters 4 ab.As shown, the
In der Darstellung gemäß
Der Gegenkupplungskopf 1' ist identisch zu dem Kupplungskopf 1 ausgeführt. Demgemäß sind in den beiliegenden Zeichnungen die Komponenten des Gegenkupplungskopfes 1' mit entsprechenden Bezugsziffern versehen. Auf eine explizite Beschreibung des Aufbaus und der Funktionsweise des Gegenkupplungskopfes 1' wird an dieser Stelle verzichtet. Vielmehr wird auf die entsprechende Ausführungen zum Kupplungskopf 1 verwiesen.The counter-coupling head 1 'is identical to the
Wie auch bei einer herkömmlichen Mittelpufferkupplung vom Typ "Fischer" dient bei der in den
Im Unterschied zu den aus dem Stand der Technik bekannten und vorstehend unter Bezugnahme auf die Darstellungen in den
Im Einzelnen ist bei dem in
Im Einzelnen und wie es insbesondere der Darstellung in
Wie dargestellt, entspricht der bei der erfindungsgemäßen Ausführungsform zum Einsatz kommende Greifer 5 und struktureller und funktioneller Hinsicht dem Greifer 105, welcher bei der in
Die perspektivische Schrägansicht von unten auf den Kupplungskopf einer Mittelpufferkupplung gemäß einer zweiten Ausführungsform wie in
Die Rückstellkraft des Federelementes bzw. der Federelemente 73 ist hierbei so gewählt, dass sie analog zum ersten Ausführungsbeispiel durch Zusammenwirken mit der Führungsfläche des Greifers 5' des Gegenkupplungskopfes 1' ein sicheres axiales Feinjustieren der miteinander zu kuppelnden Kupplungsköpfe 1, 1' gewährleistet. Andererseits ist die Rückstellkraft des mindestens einem Federelements 73 jedoch so gewählt, dass während des Kupplungsvorganges damit während des Kontaktes der Führungsfläche des Greifers 5' mit der Vorderfläche 75 des Führungskörpers 70 durch ein Verschieben des Führungskörpers 70 aus seiner Ruheposition gegen die Rückstellkraft die Reibung zwischen den beiden Flächen unter einem zulässigen Grenzwert gehalten wird, was einen unzulässig hohen Verschleiß infolge des Materialabtrages oder gar einer Beschädigung des Führungskörpers 70 entgegenwirkt.The restoring force of the spring element or the
Durch das Ausbilden des Führungselementes als Führungskörper 70, 70' gemäß dem zweiten Ausführungsbeispiel ist es somit auch möglich, bei größerem Kupplungskopfspiel bzw. schlechter axialer Vorzentrierung der miteinander zu kuppelnden Kupplungsköpfe einen verschleißarmen und gleichzeitig sicheren Kupplungsvorgang zu ermöglichen.By forming the guide element as a
Wie insbesondere auf der Detailzeichnung in
In
Die erfindungsgemäße Lösung ist nicht auf die in den Zeichnungen dargestellte spezielle Ausführungsform beschränkt, sondern ergibt sich aus einer Zusammenschau sämtlicher hierin offenbarter Merkmale.The solution according to the invention is not limited to the specific embodiment shown in the drawings, but results from a synopsis of all the features disclosed herein.
Claims (12)
dadurch gekennzeichnet,
dass der Greifer (5; 5') dezentral an einer Hälfte des Kupplungskopfes (1; 1') an dem Kupplungskopf (1; 1') befestigt ist, und
dass der Kupplungskopf (1; 1') ferner ein Führungselement (7; 7'; 70; 70') an der anderen Hälfte des Kupplungskopfes (1; 1') aufweist, wobei das Führungselement (7; 7'; 70; 70') ausgebildet ist, zum Feinjustieren des Kupplungskopfes (1; 1') beim Ankoppeln des Gegenkupplungskopfes (1'; 1) mit dem Greifer (5; 5') des Gegenkupplungskopfes (1'; 1) eine Führung zu bilden.Central buffer coupling for track-guided vehicles, in particular automatic central buffer coupling for rail vehicles, which has a coupling head (1, 1 ') for mechanical coupling with a complementary mating coupling head (1', 1), wherein the coupling head (1, 1 ') has a plane, vertically extending The end face (2, 2 ') has a centering projection (3, 3') protruding forwardly on a first end face half and projecting forwardly on the end face (2, 2 ') and symmetrically with the centering projection (3, 3') on the second end face half. and in which the coupling head (1, 1 ') furthermore has a decentralized, preferably below the coupling head (1, 1'), the end face (11), which extends into the interior of the coupling head (1, 1 '). 2, 2 ') protruding gripper (5, 5') for axial pre-centering when coupling the coupling head (1, 1 ') complementary formed counter-coupling head,
characterized,
in that the gripper (5, 5 ') is fastened decentrally to one half of the coupling head (1, 1') on the coupling head (1, 1 '), and
in that the coupling head (1; 1 ') further comprises a guide element (7; 7';70; 70 ') on the other half of the coupling head (1; 1'), the guide element (7; 7 ';70;70' ) for fine adjustment of the coupling head (1, 1 ') during coupling of the mating coupling head (1', 1) with the gripper (5, 5 ') of the mating coupling head (1', 1) to form a guide.
wobei das Führungselement (7; 7'; 70; 70') derart an dem Kupplungskopf (1; 1') angeordnet ist, dass er beim Ankoppeln des Gegenkupplungskopfes (1', 1) in den Greifbereich des am Gegenkupplungskopf (1'; 1) befestigten Greifers (5'; 5) fällt.Central buffer coupling according to claim 1,
wherein the guide element (7; 7 ';70;70') is arranged on the coupling head (1; 1 ') in such a way that it engages in the gripping area of the counter-coupling head (1', 1 ') when the counter-coupling head (1', 1) is coupled ) attached gripper (5 ', 5) falls.
wobei der Greifer (5; 5') derart an dem Kupplungskopf (1; 1') befestigt und ausgelegt ist, dass er vor der Stirnfläche (2; 2') des Kupplungskopfes (2; 2') einen Bereich unterhalb des Trichters (4; 4') abdeckt.Central buffer coupling according to claim 1 or 2,
wherein the gripper (5; 5 ') is fastened to the coupling head (1; 1') and designed such that, in front of the end face (2; 2 ') of the coupling head (2; 2'), it has an area below the funnel (4 4 ') covers.
wobei die Führungsfläche gegen eine Horizontale und die Ebene der Stirnfläche (2; 2') geneigt abwärts verläuft.Central buffer coupling according to claim 7,
wherein the guide surface extends against a horizontal and the plane of the end face (2, 2 ') inclined downwards.
wobei die Führungsfläche eine Einlaufkante aufweist, mit welcher beim Ankoppeln des Gegenkupplungskopfes (1'; 1) der Führungszapfen (7; 7') des Gegenkupplungskopfes (1'; 1) zur Ausbildung der Führung zusammenwirkt.Central buffer coupling according to claim 7 or 8,
wherein the guide surface has an inlet edge, with which when coupling the counter-coupling head (1 ', 1) of the guide pin (7, 7') of the counter-coupling head (1 '; 1) cooperates to form the guide.
wobei das Führungselement (7; 7'; 70; 70') als federnd gelagerter Führungskörper (70; 70') ausgebildet ist.'Central buffer coupling according to one of claims 1 to 6,
wherein the guide element (7; 7 ';70;70') is designed as a spring-mounted guide body (70; 70 ').'
wobei der Führungskörper (70; 70') beim Ankoppeln des Gegenkupplungskopfes (1'; 1) mittels mindestens eines Federelements (73; 73') in Richtung des Greifers (5'; 5) des Gegenkupplungskopfes (1'; 1) gedrückt wird.Central buffer coupling according to claim 10,
wherein the guide body (70, 70 ') during coupling of the mating coupling head (1'; 1) by means of at least one spring element (73, 73 ') in the direction of the gripper (5', 5) of the mating coupling head (1 '; 1) is pressed.
wobei der Führungskörper (70; 70') eine Vorderfläche (75; 75') aufweist, welche beim Ankuppeln des Gegenkupplungskopfes (1'; 1) mit der Führungsfläche des Greifers (5'; 5) die Führung zum Feinjustieren des Gegenkupplungskopfes (1'; 1) dadurch gewährleistet, dass bei Kontakt der Führungsfläche mit der Vorderfläche (75; 75') der Führungskörper (70; 70') gegen die Rückstellkraft des Federelements (73; 73') in eine Position verschoben wird, welche ein geführtes Entlanggleiten der Vorderfläche (75; 75') an der Führungsfläche des Greifers (5'; 5) erlaubt.Central buffer coupling according to claim 11,
wherein the guide body (70; 70 ') has a front surface (75; 75') which, when coupling the mating coupling head (1 '; 1) to the guide surface of the gripper (5'; 5), guides the fine adjustment of the mating coupling head (1 '; 1) ensures that upon contact of the guide surface with the front surface (75, 75 '), the guide body (70, 70') is displaced against the restoring force of the spring element (73, 73 ') into a position which guides the guided movement Front surface (75, 75 ') on the guide surface of the gripper (5', 5) allowed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20100197383 EP2353963B1 (en) | 2010-01-14 | 2010-12-30 | Central buffer coupling for a rail-guided vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10150807A EP2345567A1 (en) | 2010-01-14 | 2010-01-14 | Central buffer coupling for a rail-guided vehicle |
EP20100197383 EP2353963B1 (en) | 2010-01-14 | 2010-12-30 | Central buffer coupling for a rail-guided vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2353963A1 true EP2353963A1 (en) | 2011-08-10 |
EP2353963B1 EP2353963B1 (en) | 2013-06-05 |
Family
ID=42235156
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10150807A Withdrawn EP2345567A1 (en) | 2010-01-14 | 2010-01-14 | Central buffer coupling for a rail-guided vehicle |
EP20100197383 Active EP2353963B1 (en) | 2010-01-14 | 2010-12-30 | Central buffer coupling for a rail-guided vehicle |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10150807A Withdrawn EP2345567A1 (en) | 2010-01-14 | 2010-01-14 | Central buffer coupling for a rail-guided vehicle |
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Country | Link |
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EP (2) | EP2345567A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113200070B (en) * | 2021-06-18 | 2022-10-14 | 中车株洲电力机车有限公司 | Car coupler tailstock installation structure |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE729145C (en) * | 1940-11-15 | 1942-12-10 | Scharfenbergkupplung Ag | Guide horn for self-actuating rigid central buffer couplings, especially on rail vehicles |
GB785424A (en) * | 1955-05-25 | 1957-10-30 | Fischer Ag Georg | Improvements in or relating to couplings for rail vehicles |
CH356792A (en) * | 1957-11-21 | 1961-09-15 | Fischer Ag Georg | Device for suspending a central buffer coupling on rail vehicles |
FR1384973A (en) * | 1964-01-03 | 1965-01-08 | Fischer Ag Georg | Method and device for actuating the closing members of compressed air conduits for automatic couplings of rail vehicles |
-
2010
- 2010-01-14 EP EP10150807A patent/EP2345567A1/en not_active Withdrawn
- 2010-12-30 EP EP20100197383 patent/EP2353963B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE729145C (en) * | 1940-11-15 | 1942-12-10 | Scharfenbergkupplung Ag | Guide horn for self-actuating rigid central buffer couplings, especially on rail vehicles |
GB785424A (en) * | 1955-05-25 | 1957-10-30 | Fischer Ag Georg | Improvements in or relating to couplings for rail vehicles |
CH356792A (en) * | 1957-11-21 | 1961-09-15 | Fischer Ag Georg | Device for suspending a central buffer coupling on rail vehicles |
FR1384973A (en) * | 1964-01-03 | 1965-01-08 | Fischer Ag Georg | Method and device for actuating the closing members of compressed air conduits for automatic couplings of rail vehicles |
Also Published As
Publication number | Publication date |
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EP2345567A1 (en) | 2011-07-20 |
EP2353963B1 (en) | 2013-06-05 |
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