EP0652149B1 - Attelage à tampon central pour véhicules ferroviaires - Google Patents

Attelage à tampon central pour véhicules ferroviaires Download PDF

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Publication number
EP0652149B1
EP0652149B1 EP94116122A EP94116122A EP0652149B1 EP 0652149 B1 EP0652149 B1 EP 0652149B1 EP 94116122 A EP94116122 A EP 94116122A EP 94116122 A EP94116122 A EP 94116122A EP 0652149 B1 EP0652149 B1 EP 0652149B1
Authority
EP
European Patent Office
Prior art keywords
front face
coupling
lower edge
edge
funnel
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
Application number
EP94116122A
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German (de)
English (en)
Other versions
EP0652149A1 (fr
Inventor
Joachim Kreher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Turbo Scharfenberg GmbH and Co KG
Original Assignee
Scharfenbergkupplung GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Scharfenbergkupplung GmbH and Co KG filed Critical Scharfenbergkupplung GmbH and Co KG
Publication of EP0652149A1 publication Critical patent/EP0652149A1/fr
Application granted granted Critical
Publication of EP0652149B1 publication Critical patent/EP0652149B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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 invention relates to a central buffer coupling according to the preamble of claim 1.
  • Such a middle buffer clutch is known from DE PS 662 874.
  • the arrangement of the guide horn as a guide on the funnel side and the arrangement of an inner bar as a second guide on the protruding centering projection increase the gripping area within which a coupling process with axially offset central buffer couplings can still be initiated as intended and completed after adjustment to one another Achieved compared to middle buffer couplings without guide horn.
  • the installation space available for the center buffer coupling is often severely limited, and electrical coupling devices arranged on the side of the coupling head at the top or bottom must also be coupled.
  • the height dimensions of the installation space are greatly restricted, but there are still high demands on the height gripping area of the center buffer coupling.
  • Coupling heads without guide horn according to DE OS 29 26 301 have an almost rectangular, but for many applications too small gripping area.
  • the invention is therefore based on the object of developing a central buffer coupling of the type mentioned in such a way that a sufficiently large gripping area of the coupling heads, in particular a height gripping area, is also achieved with a guide horn which is greatly shortened compared to the known prior art.
  • the coupling head it is essential that a height pre-centering is carried out by the guide horn in connection with the centering projection, in particular in aligning the projecting edges of the guide horn on the gripper with the guide bevel on the underside of the centering projection of a counter coupling.
  • the height is centered by engaging the guide horn on the lower edge of the end plate of the coupling head of the counter-coupling. This is the main reason why such cantilevers are long, have a large board in front of the end face and protrude beyond the side edge of the end plate. Due to the new and inventive design of the coupling head, the necessary installation space on the vehicle can be reduced in height and side dimensions.
  • the end face 1 of a coupling head carries in a known manner a centering projection 3 receiving a coupling eyelet 2 of a coupling closure and has the same distance from the vertical longitudinal central axis a of the center buffer coupling as the centering projection 2 on the other side, likewise in a conventional manner 4 for receiving the centering projection 3 of a mating coupling head.
  • the centering projection 3 has an approximately rectangular, partially oval centering surface 5 with an inner bar 5a, to which a forwardly tapering part of the centering projection 3 connects, the axis of which, in the front view, lies on the horizontal central axis b of the coupling head .
  • the approximately rectangular, partially oval centering opening of the funnel 4 lying in the end face 1 corresponds in diameter to the centering surface 5, so that in the coupled state the centering projection 3 lies in the funnel of the mating coupling head without play.
  • the central axis b of the dome head has the funnel 4 at the edge of its centering opening inlet slopes 8, which only correct a horizontal and vertical offset of the central buffer coupling to a limited extent.
  • a guide horn 9 below the funnel 4. It has a shape similar to a door handle with only straight edges, which, however, sometimes run at an angle.
  • the part of the guide horn 9 projecting forward forms the so-called gripper 10 with the leading edge 11, which, directed slightly downward, moves away from the end face with increasing length.
  • the gripper tip 10a At the end of the leading edge 11 is the gripper tip 10a, which also represents the most protruding point of the guide horn 9.
  • the guide horn 9 is connected to the end face 1 over almost its entire length; for this purpose, an angled intermediate piece 12 is used, which is adapted to the slope of the gripper 10 and establishes the connection between the gripper 10 and the lower edge of the end face 1.
  • the funnel 4 has its greatest horizontal dimension H, which falls on the horizontal central axis b of the coupling head, between 237 mm and 268 mm.
  • the associated largest vertical opening width 2 x P which is measured perpendicular to the aforementioned axis, has a dimension between 207 mm and 233 mm. Accordingly, the cone height L of the centering projection 3 can be 103 mm to 117 mm with a horizontal distance S to the gripper tip 10a between 300 mm and 320 mm.
  • the guide horn 9 protrudes with the tip 10a of the gripper 10 at least 132 mm and at most 150 mm from the end face 1 - board D -, the vertical distance K between the gripper tip 10a and the lower end face is accordingly in the range between 103 mm and 150 mm.
  • the gripping area of a central buffer coupling according to the invention shown in FIG. 2 is reliably reached with approximately 250 mm on both sides and with approximately 95 mm up and down from the center point M, the intersection of the two axes a and b.
  • the mentioned area is almost rectangular except for an unused right edge area.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Insertion Pins And Rivets (AREA)
  • Pivots And Pivotal Connections (AREA)

Claims (4)

  1. Attelage à tampon central pour des véhicules sur rails, comportant une tête d'accouplement qui présente une surface frontale verticale plane et qui comporte un crochet pivotant à disque et un anneau d'accouplement articulé, lequel, lorsque l'attelage n'est pas utilisé, est rétracté à l'intérieur d'une partie saillante de centrage qui, sur l'une des moitiés de la surface frontale, se dresse sur celle-ci vers l'avant, en se rétrécissant sous une forme conique, alors que, sur l'autre moitié de la surface frontale, se trouvent un cône d'introduction, qui s'étend à l'intérieur de la tête d'accouplement et qui est situé dans une position symétrique de celle de la partie saillante de centrage, et une corne de guidage, de sorte que, pour l'accouplement de la partie saillante de centrage d'une tête d'accouplement conjuguée de même conception, deux guides sont formés par la corne de guidage et la bordure intérieure de la partie saillante de centrage proéminente, caractérisé en ce que la corne de guidage (9), qui est appliquée sous l'arête inférieure de la surface frontale (1), fait un peu saillie, depuis son point d'application, en avant de la surface frontale (1), perpendiculairement à celle-ci, et est complètement solidarisée à l'arête inférieure de la surface frontale (1), par l'intermédiaire d'une cornière (12), depuis le point d'application et presque jusqu'à son extrémité, présente une arête d'attaque rectiligne (11), qui est inclinée vers le bas d'une façon telle, par rapport à l'horizontale et au plan de la surface frontale (1), que la pointe d'attrapage (10a), à l'extrémité de la corne de guidage (9), se trouve, au-dessous de l'arête inférieure de la surface frontale (1), à une distance verticale K de cette arête, qui est supérieure à la demi-hauteur P, en direction verticale, de l'ouverture du cône d'introduction (4) et est inférieure à la distance O séparant l'axe central horizontal b de la tête d'accouplement de l'arête inférieure de la surface frontale (1), pour une distance d'extension D en avant du plan de la surface frontale (1), et perpendiculairement à celui-ci, qui correspond sensiblement à la distance O, et en ce que la partie saillante de centrage (3), qui à sa pointe présente, par rapport à la pointe d'attrapage (10a) située à l'extrémité de la corne de guidage (9), une distance d'éloignement horizontale S égale à 1,25 fois la largeur H du cône d'introduction (4), possède, sur son arête inférieure, un chanfrein de guidage qui est incliné en formant un angle de 64 à 52° par rapport à la surface frontale (1), pour une hauteur de cône L, perpendiculairement à la surface frontale (1), qui correspond sensiblement à la demi-hauteur P de l'ouverture du cône d'introduction (4).
  2. Attelage à tampon central selon la revendication 1, caractérisé en ce que l'arête inférieure de la surface frontale (1) se termine à une distance d'environ O moins P sous la bordure intérieure (5a) de la partie saillante de centrage (3), dont l'évidement (7), destiné au passage de l'anneau d'accouplement (2), est situé entièrement sur le côté, s'étendant vers le centre de la surface frontale (1), de la partie saillante de centrage (3), laquelle a un bombement dirigé vers l'extérieur.
  3. Attelage à tampon central selon la revendication 1 ou 2, caractérisé en ce que la partie saillante de centrage (3) présente, au niveau de son côté supérieur et de son côté inférieur, ainsi qu'au niveau du côté situé vers le bord de la surface frontale (1), des surfaces planes obliques qui, vers la pointe de la partie saillante de centrage (3), se rencontrent en formant une région de crête allongée, s'étendant verticalement.
  4. Attelage à tampon central selon l'une des revendications précédentes, caractérisé en ce que le cône d'introduction (4) présente, au niveau de son arête située du côté de la surface frontale, un biseau d'attaque (8) avec des dégagements de fuite vers l'arête supérieure et l'arête inférieure, qui s'étendent sous un angle de 45° par rapport au plan de la surface frontale (1).
EP94116122A 1993-11-05 1994-10-13 Attelage à tampon central pour véhicules ferroviaires Expired - Lifetime EP0652149B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4337748 1993-11-05
DE4337748A DE4337748A1 (de) 1993-11-05 1993-11-05 Mittelpufferkupplung für Schienenfahrzeuge

Publications (2)

Publication Number Publication Date
EP0652149A1 EP0652149A1 (fr) 1995-05-10
EP0652149B1 true EP0652149B1 (fr) 1996-12-18

Family

ID=6501855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116122A Expired - Lifetime EP0652149B1 (fr) 1993-11-05 1994-10-13 Attelage à tampon central pour véhicules ferroviaires

Country Status (4)

Country Link
EP (1) EP0652149B1 (fr)
AU (1) AU676613B2 (fr)
DE (2) DE4337748A1 (fr)
ES (1) ES2098093T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230027765A1 (en) * 2021-07-21 2023-01-26 Dellner Couplers Ab Coupler, coupler system having a first coupler and a second coupler, and method for coupling

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4402530A1 (de) * 1994-01-28 1995-08-03 Scharfenbergkupplung Gmbh Kupplungskopfgehäuse einer Mittelpufferkupplung
RU2180296C2 (ru) * 1999-05-05 2002-03-10 Открытое акционерное общество "Всероссийский научно-исследовательский институт транспортного машиностроения" Автоматическая сцепка подвижного состава железнодорожного транспорта

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL22706C (fr) * 1925-10-28
DE585951C (de) * 1932-08-14 1933-10-13 Karl Stollberg Selbsttaetige starre Lenkkupplung mit beweglichen Klauen
US2150330A (en) * 1933-11-13 1939-03-14 Union Kupplung Ag Automatic buffer coupling
US2169569A (en) * 1938-06-03 1939-08-15 Halliburton Oil Well Cementing Plugging off bottom hole water under pressure
US4700853A (en) * 1985-01-14 1987-10-20 Amsted Industries Incorporated Slackless railway coupler connection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230027765A1 (en) * 2021-07-21 2023-01-26 Dellner Couplers Ab Coupler, coupler system having a first coupler and a second coupler, and method for coupling

Also Published As

Publication number Publication date
DE4337748A1 (de) 1995-05-11
EP0652149A1 (fr) 1995-05-10
ES2098093T3 (es) 1997-04-16
AU7762394A (en) 1995-05-18
AU676613B2 (en) 1997-03-13
DE59401329D1 (de) 1997-01-30

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