EP0947410B1 - Device for resiliently supporting the coupling shaft of a central buffer coupling on a railway vehicle - Google Patents
Device for resiliently supporting the coupling shaft of a central buffer coupling on a railway vehicle Download PDFInfo
- Publication number
- EP0947410B1 EP0947410B1 EP99106435A EP99106435A EP0947410B1 EP 0947410 B1 EP0947410 B1 EP 0947410B1 EP 99106435 A EP99106435 A EP 99106435A EP 99106435 A EP99106435 A EP 99106435A EP 0947410 B1 EP0947410 B1 EP 0947410B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- coupling shaft
- central buffer
- coupling
- preloading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 81
- 238000010168 coupling process Methods 0.000 title claims abstract description 81
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 81
- 239000011324 bead Substances 0.000 claims description 12
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000036316 preload Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
- B61G9/06—Draw-gear combined with buffing appliances with rubber springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
Definitions
- the invention relates to a central buffer coupling with a device for elastically supporting a coupling shaft on a rail vehicle according to the preamble of claim 1.
- Such a central buffer coupling with device is z. B. from DE 27 01 984 A1.
- the coupling shaft is supported both in the direction of its axis when acting on the central buffer coupling tensile and impact forces and in the vertical direction relative to the rail vehicle.
- the device furthermore has a housing which is open towards the central buffer coupling and whose axis extends in the vehicle longitudinal direction and into which the coupling shaft projects coaxially with a radial distance from the inner peripheral surface of the housing.
- resilient rings of elastic material are provided between the peripheral surfaces of the coupling shaft and the inner peripheral surfaces of the housing prestressed. The rings are vertically aligned with their center planes and arranged at a mutual distance in the shaft longitudinal direction.
- the rings are respectively held in the spaces between two adjacent circumferential annular beads on the peripheral surface of the coupling shaft and on the inner peripheral surface of the housing relative to the coupling shaft and the housing.
- the housing and the coupling shaft and the rings have an oblong-round cross section, the largest diameter of which lies in the horizontal center plane of the housing or of the coupling shaft.
- the housing is divided in its horizontal center plane in two half-shells, which are interconnected by means of releasable fastening means.
- the rings are separated in the horizontal center plane of the housing at least on one side, wherein each ring rests directly on both the peripheral surface of the coupling shaft and on the inner peripheral surface of the housing. In the unloaded state of the device, so if no tensile or impact forces the device acting, aligned the annular ridges of the coupling shaft with the associated annular beads of the housing.
- the invention is therefore based on the object to improve the generation and adjustability of the bias of the spring apparatus of the device described above.
- a bearing block 1 fastened to a rail vehicle, not shown, is connected via pins 2 to a housing 3 which coaxially surrounds a coupling shaft 4 carrying a central buffer coupling at a radial distance, wherein both the coupling shaft 4 and the housing 3 preferably have a round cross section or have a cross section with a long and a short axis, whose larger diameter is arranged in the horizontal center plane of the housing or the coupling shaft.
- the inventive solution is also suitable for genus-like devices with any cross section of the housing 3 and coupling shaft 4.
- Both the coupling shaft 4 and the inner circumference of the housing 3 are provided with circumferential ring deserts 6 and 5, which are aligned with each other in the unloaded state of the device.
- the ends 7 of the housing 3 are drawn in to form end-side annular beads 5 inwardly, while the ends associated shoulders 8 of the coupling shaft 4 are formed accordingly.
- the coupling shaft 4 is arranged in the predetermined radial distance from the housing 3 by perpendicular to the vehicle longitudinal direction, inserted between the ends 7 and the shoulders 8 and the annular beads 5 and 6 rings 9 made of elastic material, for. As rubber or plastic, held.
- the housing 3 consists of two identically formed, by means of screws 10 releasably connected to each other shells, and the rings 9 are formed on one or both sides slotted.
- the rings 9 are installed at a certain degree over the screws 10 with bias perpendicular to the coupling shaft longitudinal direction, whereby a tight fit of the rings 9 between the coupling shaft 4 and housing 3 can be produced.
- the coupling shaft 4 has at its opening facing the housing opening a collar 11 against one side of a biasing ring 12 with its rear side and against the other side of the opening of the housing nearest ring 9 rests with its front, wherein the biasing ring 12, the rings 9 biased in unloaded position of the device in the coupling shaft longitudinal direction.
- the biasing ring 9 is inserted in a circumferential trough-shaped recess 13 of the coupling shaft 4 and a similar recess 13 of the housing 3.
- the recesses 13 have chamfers 14, to which the biasing ring 9 (rolling ring) is guided.
- the chamfers 14 of the housing 3 and / or the coupling shaft 4 are flattened in the direction of the housing opening than the axially opposite chamfers 14, which have at most an angle to the coupling shaft of 90 ° or merge into the collar 11.
- the bias of the device by means of the biasing ring 12 in the coupling shaft longitudinal direction, d. H. in the pressure or impact direction, can be done as in the embodiment of FIG. 1 and FIG. 2 by connecting the parts of the split housing, usually by screws 10th
- the generation and adjustment of the biasing force takes place in the longitudinal direction of the coupling shaft 4 via a pressure piece 15, which on the housing by means of screws 16 is attached and supported.
- the pressure piece 15 may have an additional adjusting device (not shown) for fine adjustment.
- the device can be designed with one or more rings 9.
- the number of rings 9 and the annular beads 5 and 6 is determined according to the size of the male forces, with a higher number of rings 9 allows a higher load capacity.
- the biasing ring 12 are taken through the collar 11 and the rings 9 through the desert 6 of the ring shaft 4. Since the biasing ring 12 and the rings 9 on the other hand are held by the housing 3, the rings 9, 12 are elastically deformed over the entire cross section, although initially the bias in the biasing ring 12 and the rings 9 is reduced by the amount of tensile force.
- the amount of the biasing force in the longitudinal direction of the coupling shaft 4, d. H. the coupling shaft 4 is biased in the pressure or impact direction is greater than the maximum, operationally occurring tensile force on the coupling shaft 4 is provided. This ensures that the device always remains under a certain bias even with train-pressure-load changes, which leads to a quieter, vibration-free run of coupled via these devices rail vehicles.
- the rings 9, on the one hand entrained by annular beads 6 of the coupling shaft 4 and on the other hand held by the annular beads 5 of the housing 3 are elastically deformed over the entire cross-section, wherein a stress of the rings 9 takes place initially on thrust .
- the shear stress gradually shifts to compressive stress as the rings 9 are increasingly compressed between each two successive annular beads 5 and 6 so that the rings 9 are eventually prevented from further deformation.
- the biasing ring 12 remains substantially unloaded, since the flatter run-on slopes 14 to the side of the housing opening allows him to escape.
- the coupling shaft 4 is subject to a downward moment by its weight and the weight of the central buffer coupling. For perfect coupling, however, the coupling shaft must always be approximately in the horizontal center position.
- the biasing ring 12 is given a vertical support, which acts in addition to the support through the rings 9. Because of the larger support base therefore longer coupling shanks 4 or higher weights can be supported without additional vertical support in types with biasing ring 12.
Abstract
Description
Die Erfindung betrifft eine Mittelpufferkupplung mit einer Vorrichtung zum elastischen Abstützen eines Kupplungsschaftes an einem Schienenfahrzeug nach dem Oberbegriff des Anspruchs 1.The invention relates to a central buffer coupling with a device for elastically supporting a coupling shaft on a rail vehicle according to the preamble of claim 1.
Eine derartige Mittelpufferkupplung mit Vorrichtung ist z. B. aus der DE 27 01 984 A1 bekannt. Bei dieser Vorrichtung ist der Kupplungsschaft sowohl in Richtung seiner Achse bei auf die Mittelpufferkupplung einwirkenden Zug- und Stoßkräfte als auch in vertikaler Richtung gegenüber dem Schienenfahrzeug abgestützt. Die Vorrichtung weist weiterhin ein zur Mittelpufferkupplung hin offenes Gehäuse auf, dessen Achse in Fahrzeuglängsrichtung verläuft und in das der Kupplungsschaft mit einem radialen Abstand von der Innenumfangsfläche des Gehäuses koaxial hineinragt. Zwischen den Umfangsflächen des Kupplungsschaftes und den Innenumfangsflächen des Gehäuses sind vorgespannte, federnde Ringe aus elastischem Material vorgesehen. Die Ringe sind mit ihren Mittelebenen vertikal ausgerichtet und in gegenseitigem Abstand in Schaftlängsrichtung angeordnet. Die Ringe sind jeweils in den Zwischenräumen zwischen zwei benachbarten, umlaufenden Ringwülsten an der Umfangsfläche des Kupplungsschaftes sowie an der Innenumfangsfläche des Gehäuses gegenüber dem Kupplungsschaft und dem Gehäuse gehalten. Das Gehäuse und der Kupplungsschaft sowie die Ringe weisen einen länglichrunden Querschnitt auf, dessen größter Durchmesser in der horizontalen Mittelebene des Gehäuses bzw. des Kupptungsschafts liegt. Das Gehäuse ist in seiner horizontalen Mittelebene in zwei Halbschalen geteilt, die mittels lösbarer Befestigungsmittel miteinander verbunden sind. Die Ringe sind in der horizontalen Mittelebene des Gehäuses mindestens auf einer Seite aufgetrennt, wobei jeder Ring unmittelbar sowohl an der Umfangsfläche des Kupplungsschafts als auch an der Innenumfangsfläche des Gehäuses anliegt. Im unbelasteten Zustand der Vorrichtung, wenn also keine Zug- oder Stoßkräfte auf die Vorrichtung einwirken, fluchten die Ringwülste des Kupplungsschaftes mit den zugeordneten Ringwülsten des Gehäuses.Such a central buffer coupling with device is z. B. from DE 27 01 984 A1. In this device, the coupling shaft is supported both in the direction of its axis when acting on the central buffer coupling tensile and impact forces and in the vertical direction relative to the rail vehicle. The device furthermore has a housing which is open towards the central buffer coupling and whose axis extends in the vehicle longitudinal direction and into which the coupling shaft projects coaxially with a radial distance from the inner peripheral surface of the housing. Between the peripheral surfaces of the coupling shaft and the inner peripheral surfaces of the housing prestressed, resilient rings of elastic material are provided. The rings are vertically aligned with their center planes and arranged at a mutual distance in the shaft longitudinal direction. The rings are respectively held in the spaces between two adjacent circumferential annular beads on the peripheral surface of the coupling shaft and on the inner peripheral surface of the housing relative to the coupling shaft and the housing. The housing and the coupling shaft and the rings have an oblong-round cross section, the largest diameter of which lies in the horizontal center plane of the housing or of the coupling shaft. The housing is divided in its horizontal center plane in two half-shells, which are interconnected by means of releasable fastening means. The rings are separated in the horizontal center plane of the housing at least on one side, wherein each ring rests directly on both the peripheral surface of the coupling shaft and on the inner peripheral surface of the housing. In the unloaded state of the device, so if no tensile or impact forces the device acting, aligned the annular ridges of the coupling shaft with the associated annular beads of the housing.
Bei dieser gattungsgemäßen Mittelpufferkupplung erweist es sich als schwierig, dem Federapparat der Vorrichtung zum elastischen Abstützen des Kupplungsschaftes eine gezielte, reproduzierbare Vorspannung nach Betrag und Richtung aufzuprägen.In this generic central buffer coupling, it proves to be difficult to impart a targeted, reproducible prestress according to the amount and direction of the spring apparatus of the device for elastic support of the coupling shaft.
Der Erfindung liegt daher die Aufgabe zugrunde, die Erzeugung und Einstellbarkeit der Vorspannung des Federapparats der vorstehend beschriebenen Vorrichtung zu verbessern.The invention is therefore based on the object to improve the generation and adjustability of the bias of the spring apparatus of the device described above.
Diese Aufgabe wird durch die im Anspruch 1 gekennzeichnete Mittelpufferkupplung gelöst.This object is achieved by the characterized in claim 1 central buffer coupling.
Zweckmäßige Weiterbildungen sind in den Unteransprüchen 2 bis 11 angegeben.Advantageous developments are given in the dependent claims 2 to 11.
Die Erfindung ist nachfolgend anhand der Prinzipskizzen zweier Ausführungsbeispiele näher erläutert.The invention is explained in more detail below with reference to the schematic diagrams of two embodiments.
Es zeigen
- Fig. 1
- einen Längsschnitt einer erfindungsgemäßen Vorrichtung einer Mittelpufferkupplung in unbelastetem Zustand,
- Fig. 2
- einen Schnitt nach der Linie I-I in Fig. 1,
- Fig. 3
- einen Längsschnitt eines zweiten Ausführungsbeispiels der Erfindung in unbelastetem Zustand und
- Fig. 4
- eine Draufsicht der Vorrichtung gemäß Fig. 3.
- Fig. 1
- a longitudinal section of an inventive device of a central buffer coupling in the unloaded state,
- Fig. 2
- a section along the line II in Fig. 1,
- Fig. 3
- a longitudinal section of a second embodiment of the invention in the unloaded state and
- Fig. 4
- a plan view of the device of FIG. 3rd
Ein an einem nicht dargestellten Schienenfahrzeug befestigter Lagerbock 1 ist über Zapfen 2 mit einem Gehäuse 3 verbunden, das mit radialem Abstand koaxial einen eine Mittelpufferkupplung tragenden Kupplungsschaft 4 umschließt, wobei sowohl der Kupplungsschaft 4 als auch das Gehäuse 3 vorzugsweise einen runden Querschnitt oder einen Querschnitt mit einer langen und einer kurzen Achse aufweisen, dessen größerer Durchmesser in der horizontalen Mittelebene des Gehäuses bzw. des Kupplungsschafts angeordnet ist. Die erfinderische Lösung ist allerdings auch für gattungsähnliche Vorrichtungen mit beliebigem Querschnitt von Gehäuse 3 und Kupplungsschaft 4 verwendbar.A bearing block 1 fastened to a rail vehicle, not shown, is connected via pins 2 to a housing 3 which coaxially surrounds a coupling shaft 4 carrying a central buffer coupling at a radial distance, wherein both the coupling shaft 4 and the housing 3 preferably have a round cross section or have a cross section with a long and a short axis, whose larger diameter is arranged in the horizontal center plane of the housing or the coupling shaft. However, the inventive solution is also suitable for genus-like devices with any cross section of the housing 3 and coupling shaft 4.
Sowohl der Kupplungsschaft 4 als auch der Innenumfang des Gehäuses 3 sind mit umlaufenden Ringwüsten 6 bzw. 5 versehen, die in unbelastetem Zustand der Vorrichtung miteinander fluchten. Die Enden 7 des Gehäuses 3 sind unter Bilden endseitiger Ringwülste 5 nach innen eingezogen, während die den Enden zugeordneten Schultern 8 des Kupplungsschafts 4 entsprechend ausgebildet sind. Der Kupplungsschaft 4 wird in dem vorbestimmten radialen Abstand zum Gehäuse 3 durch senkrecht zur Fahrzeuglängsrichtung angeordnete, zwischen den Enden 7 bzw. den Schultern 8 und den Ringwülsten 5 bzw. 6 eingesetzten Ringe 9 aus elastischem Material, z. B. Gummi oder Kunststoff, gehalten.Both the coupling shaft 4 and the inner circumference of the housing 3 are provided with circumferential ring deserts 6 and 5, which are aligned with each other in the unloaded state of the device. The ends 7 of the housing 3 are drawn in to form end-side annular beads 5 inwardly, while the ends associated shoulders 8 of the coupling shaft 4 are formed accordingly. The coupling shaft 4 is arranged in the predetermined radial distance from the housing 3 by perpendicular to the vehicle longitudinal direction, inserted between the ends 7 and the shoulders 8 and the annular beads 5 and 6 rings 9 made of elastic material, for. As rubber or plastic, held.
Um den Einbau der Ringe 9 zu erleichtern, besteht das Gehäuse 3 aus zwei gleichartig ausgebildeten, mittels Schrauben 10 lösbar miteinander zu verbindenden Halbschalen, und die Ringe 9 sind ein- oder beidseitig geschlitzt ausgebildet. Außerdem sind die Ringe 9 bei gewissem Übermaß über die Schrauben 10 mit Vorspannung senkrecht zur Kupplungsschaftlängsrichtung einbaubar, wodurch ein fester Sitz der Ringe 9 zwischen Kupplungsschaft 4 und Gehäuse 3 herstellbar ist.In order to facilitate the installation of the rings 9, the housing 3 consists of two identically formed, by means of screws 10 releasably connected to each other shells, and the rings 9 are formed on one or both sides slotted. In addition, the rings 9 are installed at a certain degree over the screws 10 with bias perpendicular to the coupling shaft longitudinal direction, whereby a tight fit of the rings 9 between the coupling shaft 4 and housing 3 can be produced.
Der Kupplungsschaft 4 weist an seinem zur Gehäuseöffnung weisenden Abschnitt einen Bund 11 auf, gegen dessen eine Seite ein Vorspannring 12 mit seiner hinteren Seite und gegen dessen andere Seite der der Öffnung des Gehäuses nächstliegende Ring 9 mit seiner Vorderseite anliegt, wobei der Vorspannring 12 die Ringe 9 in unbelasteter Lage der Vorrichtung in Kupplungsschaftlängsrichtung vorspannt.The coupling shaft 4 has at its opening facing the housing opening a collar 11 against one side of a biasing ring 12 with its rear side and against the other side of the opening of the housing nearest ring 9 rests with its front, wherein the biasing ring 12, the rings 9 biased in unloaded position of the device in the coupling shaft longitudinal direction.
Der Vorspannring 9 ist in einer umlaufenden muldenförmigen Ausnehmung 13 des Kupplungsschafts 4 und einer gleichartigen Ausnehmung 13 des Gehäuses 3 eingelegt. Die Ausnehmungen 13 weisen Anlaufschrägen 14 auf, an den der Vorspannring 9 (Rollring) geführt ist.The biasing ring 9 is inserted in a circumferential trough-shaped recess 13 of the coupling shaft 4 and a similar recess 13 of the housing 3. The recesses 13 have chamfers 14, to which the biasing ring 9 (rolling ring) is guided.
Die Anlaufschrägen 14 des Gehäuses 3 und/oder des Kupplungsschafts 4 sind in Richtung der Gehäuseöffnung flacher ausgebildet als die axial gegenüberliegen Anlaufschrägen 14, die maximal einen Winkel zum Kupplungsschaft von 90° aufweisen bzw. in den Bund 11 übergehen.The chamfers 14 of the housing 3 and / or the coupling shaft 4 are flattened in the direction of the housing opening than the axially opposite chamfers 14, which have at most an angle to the coupling shaft of 90 ° or merge into the collar 11.
Die Vorspannung der Vorrichtung mittels des Vorspannrings 12 in Kupplungschaftlängsrichtung, d. h. in Druck- bzw. Stoßrichtung, kann wie beim Ausführungsbeispiel nach Fig. 1 und Fig. 2 durch das Verbinden der Teile des geteilten Gehäuses erfolgen, im Regelfall durch Schrauben 10.The bias of the device by means of the biasing ring 12 in the coupling shaft longitudinal direction, d. H. in the pressure or impact direction, can be done as in the embodiment of FIG. 1 and FIG. 2 by connecting the parts of the split housing, usually by screws 10th
Eine genauere und feiner Einstellung der Vorspannung der Vorrichtung in Kupplungsschaftlängsrichtung, d. h. in Druck- bzw. Stoßrichtung, erlaubt eine Bauart gemäß dem zweiten Ausführungsbeispiel der Erfindung nach Fig. 3 und Fig. 4. In diesem Ausführungsbeispiel erfolgt die Erzeugung und Einstellung der Vorspannkraft in Längsrichtung des Kupplungsschafts 4 über ein Druckstück 15, welches am Gehäuse mittels Schrauben 16 befestigt und abgestützt ist. Das Druckstück 15 kann zur Feineinstellung noch eine zusätzliche Verstelleinrichtung (nicht dargestellt) aufweisen.A more accurate and fine adjustment of the bias of the device in the coupling shaft longitudinal direction, d. H. In this embodiment, the generation and adjustment of the biasing force takes place in the longitudinal direction of the coupling shaft 4 via a pressure piece 15, which on the housing by means of screws 16 is attached and supported. The pressure piece 15 may have an additional adjusting device (not shown) for fine adjustment.
Für einen Einsatz für unterschiedliche Lastaufnahmen kann die Vorrichtung mit einem oder mehreren Ringen 9 ausgeführt werden.For use with different load pickups, the device can be designed with one or more rings 9.
Die Anzahl der Ringe 9 und der Ringwülste 5 und 6 ist entsprechend der Größe der aufzunehmenden Kräfte zu bestimmen, wobei eine höhere Anzahl von Ringen 9 eine höhere Lastaufnahme ermöglicht.The number of rings 9 and the annular beads 5 and 6 is determined according to the size of the male forces, with a higher number of rings 9 allows a higher load capacity.
Wird der Kupplungsschaft 4 mit einer Zugkraft beaufschlagt, werden der Vorspannring 12 durch den Bund 11 und die Ringe 9 durch die Ringwüste 6 des Kupplungsschafts 4 mitgenommen. Da der Vorspannring 12 und die Ringe 9 andererseits vom Gehäuse 3 festgehalten werden, werden die Ringe 9, 12 über den gesamten Querschnitt elastisch verformt, wobei allerdings zunächst die Vorspannung im Vorspannring 12 und den Ringen 9 um den Betrag der Zugkraft abgebaut wird.If the coupling shaft 4 is acted upon by a tensile force, the biasing ring 12 are taken through the collar 11 and the rings 9 through the desert 6 of the ring shaft 4. Since the biasing ring 12 and the rings 9 on the other hand are held by the housing 3, the rings 9, 12 are elastically deformed over the entire cross section, although initially the bias in the biasing ring 12 and the rings 9 is reduced by the amount of tensile force.
Der Betrag der Vorspannkraft in Längsrichtung des Kupplungsschafts 4, d. h. der Kupplungsschaft 4 ist in Druck- bzw. Stoßrichtung vorgespannt, ist größer als die maximale, betrieblich auftretende Zugkraft am Kupplungsschaft 4 vorgesehen. Dadurch wird erreicht, dass die Vorrichtung auch bei Zug-Druck-Lastwechseln immer unter einer gewissen Vorspannung bleibt, was zu einem ruhigerem, erschütterungsfreierem Lauf von über diese Vorrichtungen gekuppelte Schienenfahrzeuge führt.The amount of the biasing force in the longitudinal direction of the coupling shaft 4, d. H. the coupling shaft 4 is biased in the pressure or impact direction is greater than the maximum, operationally occurring tensile force on the coupling shaft 4 is provided. This ensures that the device always remains under a certain bias even with train-pressure-load changes, which leads to a quieter, vibration-free run of coupled via these devices rail vehicles.
Wird der Kupplungsschaft 4 mit Stoßkräften beaufschlagt, werden die Ringe 9, die einerseits von Ringwülsten 6 des Kupplungsschafts 4 mitgenommen und andererseits von den Ringwülsten 5 des Gehäuses 3 festgehalten werden über den gesamten Querschnitt elastisch verformt, wobei eine Beanspruchung der Ringe 9 zunächst auf Schub stattfindet. Bei weiterem Ansteigen der Belastung geht die Schubbeanspruchung allmählich in eine Druckbeanspruchung über, da die Ringe 9 zunehmend zwischen jeweils zwei aufeinanderfolgenden Ringwülsten 5 und 6 zusammengedrückt werden, so dass die Ringe 9 schließlich an einer weiteren Verformung gehindert sind. Somit wird eine progressive Federcharakteristik erreicht. Der Vorspannring 12 bleibt im wesentlichen unbelastet, da die flacheren Anlaufschrägen 14 zur Seite der Gehäuseöffnung ihm ein Ausweichen ermöglicht.If the coupling shaft 4 is subjected to impact forces, the rings 9, on the one hand entrained by annular beads 6 of the coupling shaft 4 and on the other hand held by the annular beads 5 of the housing 3 are elastically deformed over the entire cross-section, wherein a stress of the rings 9 takes place initially on thrust , As the load further increases, the shear stress gradually shifts to compressive stress as the rings 9 are increasingly compressed between each two successive annular beads 5 and 6 so that the rings 9 are eventually prevented from further deformation. Thus, a progressive spring characteristic is achieved. The biasing ring 12 remains substantially unloaded, since the flatter run-on slopes 14 to the side of the housing opening allows him to escape.
Der Kupplungsschaft 4 unterliegt durch sein Gewicht und dem Gewicht der Mittelpufferkupplung einem abwärts gerichtetem Moment. Zum einwandfreien Kuppeln hat sich der Kupplungsschaft allerdings immer annähernd in horizontaler Mittellage zu befinden. Durch den Vorspannring 12 ist eine vertikale Abstützung gegeben, die zusätzlich zur Abstützung durch die Ringe 9 wirkt. Wegen der größeren Stützbasis sind bei Bauarten mit Vorspannring 12 daher längere Kupplungsschäfte 4 bzw. höhere Gewichte ohne zusätzliche Vertikalabstützung abstützbar.The coupling shaft 4 is subject to a downward moment by its weight and the weight of the central buffer coupling. For perfect coupling, however, the coupling shaft must always be approximately in the horizontal center position. By the biasing ring 12 is given a vertical support, which acts in addition to the support through the rings 9. Because of the larger support base therefore longer coupling shanks 4 or higher weights can be supported without additional vertical support in types with biasing ring 12.
- 11
- Lagerbockbearing block
- 22
- Zapfen 2Pin 2
- 33
- Gehäusecasing
- 44
- Kupplungsschaftcoupling shaft
- 55
- Ringwulsttorus
- 66
- Ringwulsttorus
- 77
- EndeThe End
- 88th
- Schultershoulder
- 99
- Ringring
- 1010
- Schraubescrew
- 1111
- BundFederation
- 1212
- Vorspannringpreloading ring
- 1313
- Ausnehmungrecess
- 1414
- Anlaufschrägestarting slope
- 1515
- DruckstückPressure piece
- 1616
- Schraubescrew
Claims (11)
- A central buffer coupling with a device for resiliently supporting a coupling shaft at a rail vehicle, with the coupling shaft (4) being supported both in the direction of its axis upon tensile and/or impact forces acting on the central buffer coupling and in the vertical direction relative to the rail vehicle, comprising a housing (3) arranged at the rail vehicle, which is open towards the central buffer coupling, into which the coupling shaft projects coaxially under a radial distance from the inner circumferential surface of the housing, and preloaded resilient rings (9) between the circumferential surface of the housing, made from an elastic material, whose central planes are vertically aligned and which are arranged one behind the other mutually spaced from one another in the longitudinal direction of the coupling shaft, with annular beads (6) being formed at the inner circumferential surface of the housing, arranged one behind the other mutually spaced from one another in the longitudinal direction of the coupling shaft, and the rings being held in the intermediate spaces between two neighbouring annular beads relative to the coupling shaft or the housing (3), respectively, and the housing being formed as a split housing, with each ring (9) resting directly both on the circumferential surface of the coupling shaft and on the inner circumferential surface of the housing, and with the annular beads of the coupling shaft being in alignment with the associated annular beads of the housing in an unloaded condition of the device in terms of tensile and impact forces,
characterised in that the coupling shaft (4) comprises a collar (11) against one side of which a preloading ring (12) abuts with its rear side and against the other side of which the ring (9) being closest to the opening of the housing (3) abuts with its front side, with the preloading ring (12) preloading the rings (9) in the longitudinal direction of the coupling shaft in the unloaded condition of the device. - The central buffer coupling according to Claim 1, characterised in that the preloading ring (12) preloads the rings (9) in the direction of thrust or impact, respectively.
- The central buffer coupling according to one of Claims 1 or 2, characterised in that the amount of the preloading force is higher than the maximum tensile force which occurs in operation.
- The central buffer coupling according to one of Claims 1 to 3, characterised in that the preloading ring (12) is inserted in a circumferential trough-shaped recess (13) of the coupling shaft (4) and a similar recess (13) of the housing (3).
- The central buffer coupling according to Claim 4, characterised in that the recesses (13) comprise sloped ramps (14) for the preloading ring (12).
- The central buffer coupling according to Claim 5, characterised in that the sloped ramp (14) of the housing (3) is formed with a smaller inclination towards the opening of the housing than the opposite sloped ramp (14).
- The central buffer coupling according to one of Claims 1 to 6, characterised in that preloading of the device in the longitudinal direction of the coupling shaft is effected by connecting the parts of the split housing (3).
- The central buffer coupling according to one of Claims 1 to 6, characterised in that preloading of the device in the longitudinal direction of the coupling shaft is effected by a thrust pad (15) which is secured and supported at the housing (3).
- The central buffer coupling according to Claim 6, characterised in that the thrust pad (15) has adjusting means for adjusting the preloading forces.
- The central buffer coupling according to one of Claims 1 to 9, characterised in that the preloading ring (12) and/or the rings (9) are separated at at least one site.
- The central buffer coupling according to Claim 10, characterised in that the site(s) of separation of the preloading ring (12) and/or the rings (9) is (are) arranged in the horizontal plane of the coupling shaft (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19814166 | 1998-03-30 | ||
| DE19814166A DE19814166A1 (en) | 1998-03-30 | 1998-03-30 | Device for resiliently supporting the coupling shaft of a central buffer coupling on a rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0947410A1 EP0947410A1 (en) | 1999-10-06 |
| EP0947410B1 true EP0947410B1 (en) | 2004-04-28 |
Family
ID=7862960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99106435A Expired - Lifetime EP0947410B1 (en) | 1998-03-30 | 1999-03-29 | Device for resiliently supporting the coupling shaft of a central buffer coupling on a railway vehicle |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6315139B1 (en) |
| EP (1) | EP0947410B1 (en) |
| KR (1) | KR100547188B1 (en) |
| CN (1) | CN1118398C (en) |
| AT (1) | ATE265347T1 (en) |
| AU (1) | AU753678B2 (en) |
| CA (1) | CA2267725C (en) |
| DE (2) | DE19814166A1 (en) |
| ES (1) | ES2221258T3 (en) |
| IN (1) | IN192935B (en) |
| PL (1) | PL193368B1 (en) |
| WO (1) | WO1999050121A1 (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1350703B1 (en) * | 2002-04-04 | 2004-06-02 | Voith Turbo Scharfenberg GmbH & Co. KG | Cover for coupling head and method for pivoting said cover |
| SE526663C2 (en) * | 2004-02-04 | 2005-10-18 | Dellner Couplers Ab | Towing device for train coupler and deformation pipe for this |
| ATE370044T1 (en) * | 2005-05-03 | 2007-09-15 | Voith Turbo Scharfenberg Gmbh | CENTER BUFFER COUPLING FOR RAIL VEHICLES |
| EP1785330A1 (en) * | 2005-11-15 | 2007-05-16 | Voith Turbo Scharfenberg GmbH & Co. KG | Coupling mounting with a joint structure |
| ES2369332T3 (en) * | 2009-04-23 | 2011-11-29 | Voith Patent Gmbh | ARTICULATION FOR THE ARTICULATED UNION OF A HITCH BAR WITH A WAGON BOX. |
| ES2457591T3 (en) * | 2011-03-16 | 2014-04-28 | Bombardier Transportation Gmbh | Railway vehicle unit with articulated traction mechanism |
| DE102013110888A1 (en) * | 2013-10-01 | 2015-04-02 | Voith Patent Gmbh | Bearing for articulating a coupling rod to a car body of a track-guided vehicle |
| CN103496382B (en) * | 2013-10-25 | 2017-02-01 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer of railway freight wagon and railway freight wagon |
| PL3028919T3 (en) * | 2014-12-04 | 2017-09-29 | HÜBNER GmbH & Co. KG | Joint of an articulated vehicle |
| US9701323B2 (en) | 2015-04-06 | 2017-07-11 | Bedloe Industries Llc | Railcar coupler |
| DE102015108228A1 (en) * | 2015-05-26 | 2016-12-01 | Voith Patent Gmbh | Device for connecting a coupling shaft with a car body of a track-guided vehicle |
| PL3205550T3 (en) * | 2016-02-10 | 2021-09-27 | Dellner Couplers Ab | Assembly with a bearing bracket and a coupler rod or a connection rod; car of a multi-car vehicle and method for transmitting pushing forces applied to a coupler rod or connection rod to a bearing bracket |
| CN106809240B (en) * | 2016-12-29 | 2017-12-12 | 比亚迪股份有限公司 | Hitch and the railcar train with hitch |
| CH713677B1 (en) * | 2017-04-06 | 2021-04-30 | Faiveley Transp Schwab Ag | Linkage device for a coupling of a rail vehicle. |
| CN107628058A (en) * | 2017-09-11 | 2018-01-26 | 南京力源轨道交通装备有限公司 | A kind of new forging hook tail frame |
| KR102121368B1 (en) * | 2019-02-26 | 2020-06-10 | 삼영기계 (주) | Rubber shock absorber for connecting railway car with sensor |
| KR102218954B1 (en) * | 2019-07-18 | 2021-02-24 | 한국철도기술연구원 | a shock absorbing device |
| KR102240114B1 (en) * | 2019-10-11 | 2021-04-15 | 한국철도기술연구원 | a coupler for a railway vehicle |
| KR102276202B1 (en) * | 2019-11-21 | 2021-07-13 | 한국철도기술연구원 | Obstruction removal apparatus for train |
| DE102020105294A1 (en) | 2020-02-28 | 2021-09-02 | Voith Patent Gmbh | Coupling rod connection for the flexible connection of a coupling rod to a track-bound vehicle |
| WO2022154145A1 (en) * | 2021-01-18 | 2022-07-21 | 한국철도기술연구원 | Shock absorbing device |
| JP7458391B2 (en) | 2021-03-30 | 2024-03-29 | コリア レイルロード リサーチ インスティテュート | Railway vehicle coupler |
| CN113682339B (en) * | 2021-10-27 | 2021-12-21 | 南通市弘达轨道交通配件有限公司 | Lubricated type ball pivot for track traffic |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1038592B (en) * | 1954-01-29 | 1958-09-11 | Krauss Maffei Ag | Pulling and pushing device for rail vehicles |
| US3741406A (en) * | 1971-06-22 | 1973-06-26 | Miner Enterprises | Friction draft gear |
| US3799360A (en) * | 1973-01-15 | 1974-03-26 | Midland Ross Corp | Railway draft gear |
| DE2343246C3 (en) * | 1973-08-28 | 1981-07-09 | Bergische Stahl-Industrie, 5630 Remscheid | Device for articulating a coupling shaft of a central buffer coupling on a vehicle |
| DE2701984A1 (en) * | 1977-01-19 | 1978-07-27 | Scharfenbergkupplung Gmbh | ELASTIC LINKAGE OF A CENTER BUFFER COUPLING FOR RAIL VEHICLES |
| DE3421166A1 (en) * | 1983-12-15 | 1985-06-27 | Scharfenbergkupplung Gmbh, 3320 Salzgitter | ELASTIC LINKING OF A MEDIUM BUFFER CLUTCH FOR RAIL VEHICLES |
| US4739889A (en) * | 1986-09-25 | 1988-04-26 | Halliburton Company | Railway cushioning apparatus |
| DE4024998A1 (en) * | 1990-08-07 | 1992-02-13 | Bergische Stahlindustrie | Articulated link for coupling rod - has assembly plate with ball joints, thrust pieces, rubber parts, and tie rods |
-
1998
- 1998-03-30 DE DE19814166A patent/DE19814166A1/en not_active Withdrawn
-
1999
- 1999-03-26 AU AU41305/99A patent/AU753678B2/en not_active Ceased
- 1999-03-26 PL PL337069A patent/PL193368B1/en unknown
- 1999-03-26 KR KR1019997010895A patent/KR100547188B1/en not_active IP Right Cessation
- 1999-03-26 CN CN99800433A patent/CN1118398C/en not_active Expired - Fee Related
- 1999-03-26 IN IN225MU1999 patent/IN192935B/en unknown
- 1999-03-26 WO PCT/DE1999/000922 patent/WO1999050121A1/en active IP Right Grant
- 1999-03-29 AT AT99106435T patent/ATE265347T1/en active
- 1999-03-29 EP EP99106435A patent/EP0947410B1/en not_active Expired - Lifetime
- 1999-03-29 DE DE59909285T patent/DE59909285D1/en not_active Expired - Lifetime
- 1999-03-29 ES ES99106435T patent/ES2221258T3/en not_active Expired - Lifetime
- 1999-03-29 US US09/281,123 patent/US6315139B1/en not_active Expired - Fee Related
- 1999-03-30 CA CA002267725A patent/CA2267725C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2221258T3 (en) | 2004-12-16 |
| DE59909285D1 (en) | 2004-06-03 |
| PL193368B1 (en) | 2007-02-28 |
| EP0947410A1 (en) | 1999-10-06 |
| IN192935B (en) | 2004-06-12 |
| KR20010012927A (en) | 2001-02-26 |
| CN1118398C (en) | 2003-08-20 |
| KR100547188B1 (en) | 2006-01-26 |
| US6315139B1 (en) | 2001-11-13 |
| CN1262651A (en) | 2000-08-09 |
| PL337069A1 (en) | 2000-07-31 |
| CA2267725A1 (en) | 1999-09-30 |
| DE19814166A1 (en) | 1999-10-07 |
| CA2267725C (en) | 2007-08-21 |
| WO1999050121A1 (en) | 1999-10-07 |
| AU753678B2 (en) | 2002-10-24 |
| AU4130599A (en) | 1999-10-18 |
| ATE265347T1 (en) | 2004-05-15 |
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