EP3771609B1 - Tampon plongeur pourvu de poussoir enrobé par de section - Google Patents

Tampon plongeur pourvu de poussoir enrobé par de section Download PDF

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Publication number
EP3771609B1
EP3771609B1 EP19188899.9A EP19188899A EP3771609B1 EP 3771609 B1 EP3771609 B1 EP 3771609B1 EP 19188899 A EP19188899 A EP 19188899A EP 3771609 B1 EP3771609 B1 EP 3771609B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
plunger
buffer
ram
sleeve buffer
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.)
Active
Application number
EP19188899.9A
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German (de)
English (en)
Other versions
EP3771609A1 (fr
Inventor
Falk Schneider
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES19188899T priority Critical patent/ES2925245T3/es
Priority to HUE19188899A priority patent/HUE060184T2/hu
Priority to EP19188899.9A priority patent/EP3771609B1/fr
Priority to PL19188899.9T priority patent/PL3771609T3/pl
Publication of EP3771609A1 publication Critical patent/EP3771609A1/fr
Application granted granted Critical
Publication of EP3771609B1 publication Critical patent/EP3771609B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/14—Buffers absorbing shocks by mechanical friction action; Combinations of mechanical shock-absorbers and springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element

Definitions

  • the invention relates to a sleeve buffer for a movable or fixed support structure according to the preamble of claim 1.
  • sleeve buffers are, for example, by the EP 1 740 435 B1 famous. They usually comprise a first and a second guide part in the form of a ram and a sleeve, the ram being partly received in the sleeve, which has a larger diameter than the ram.
  • the sleeve buffer allows it to be resiliently compressed in the range of its normal buffer stroke. Such an impact on the sleeve buffer occurs, for example, when two rail vehicle carriages are coupled together.
  • the force is usually absorbed by a spring, the elasticity of which causes the plunger to return to its original position relative to the sleeve when the force is removed.
  • the object of the invention is to provide a sleeve buffer that can offer an even higher level of security.
  • the object is achieved by the characterizing features of claim 1, based on a sleeve buffer of the type mentioned.
  • the sleeve buffer according to the invention can be used for movable or fixed supporting structures.
  • Movable support structures are, in particular, rail vehicles, such as locomotives, freight cars or passenger train wagons, on the sides of which the sleeve buffers can be used as so-called side buffers to absorb shocks that can occur primarily in or against the direction of travel and mostly through contact with other rail vehicles or fixed supporting structures.
  • Corresponding rail vehicles typically bump into one another when the carriages are coupled.
  • Corresponding shocks can also occur when maneuvering.
  • So-called buffer stops which usually form a track closure and prevent a rail vehicle or wagon from rolling over the end of the rail and thus derailing, are typical fixed support structures. Accordingly, they can also be provided with sleeve buffers according to the invention.
  • the sleeve buffer according to the invention has a Power transmission element via which it can be elastically compressed in a certain area and also be able to relax again.
  • the sleeve buffer is not damaged within this normal point.
  • the sleeve buffer according to the invention also has the option of absorbing part of the kinetic energy that is transmitted during the impact, for example through a (plastic) deformation in terms of its structure, so that a Part of the shock is absorbed at least by the buffer.
  • the sleeve buffer is damaged or destroyed as a result, but little or no damage is caused to the supporting structure or to the rail vehicle.
  • the sleeve buffer therefore comprises at least a first and a second guide part, which are in the form of a sleeve and a ram, the ram being displaceable relative to the sleeve in the longitudinal direction of the vehicle.
  • the guide part which moves relative to the other, is guided into one another by the bearing of the two guide parts.
  • the sleeve surrounds the ram, for example, and thus has a larger diameter, so that the ram can at least partially dip into the sleeve during said relative movement.
  • the sleeve and the ram overlap at least partially, so that as soon as the ram is impacted, it is immediately removed from the Sleeve can be performed and the movement of the plunger is at least partially predetermined.
  • the aforementioned transverse forces can also be at least partially supported by this overlapping area. That is, the force components of an impact perpendicular to the direction of travel are also at least partially absorbed by this overlapping arrangement of the plunger and sleeve.
  • the relative position between the ram and the sleeve, as it is in the state of a new sleeve buffer that has not yet been used, can be recorded, for example, by means of a marking.
  • the first or second guide part can have at least two sections, which are arranged one behind the other or are elongate and at least two of which are connected to one another by a predetermined breaking connection are.
  • these predetermined breaking connections are designed in such a way that in the event of impacts below the triggering force, the plunger is initially moved relative to the sleeve without the predetermined breaking connection breaking, whereby an elastic component such as a spring is compressed, which can expand again when the force is removed .
  • an elastic component such as a spring
  • the predetermined breaking connections are also made to tear. Part of the energy is consumed by breaking the predetermined break connections.
  • the plunger can be elastically telescoped completely into the sleeve and, when the release force is exceeded, the sleeve hits the back of the buffer plate; the sleeve can possibly peel outwards, so that this deformation in turn also entails energy consumption.
  • the sleeve buffer according to the invention is characterized in particular by the fact that the ram is divided into at least two ram sections in the longitudinal direction, namely at least a first and a second ram section.
  • the ram is mounted in the sleeve and partially overlaps with it in the area of the second ram section.
  • the second plunger portion may be fully or partially received within the sleeve.
  • the first ram section has a recess at least in sections, through which it is initially reduced in diameter compared to the second ram section. This recess in turn carries an encasing structure.
  • this casing structure can provide increased friction or improved support when transverse forces occur due to impacts.
  • a structural change is proposed in an advantageous manner, which does not require additional components such as predetermined breaking points, spring elements or the like, but is nevertheless associated with higher energy consumption due to the increased friction. This means that even if the release force is exceeded, more energy can be consumed due to increased friction.
  • the same structure can also advantageously be used to do this have a positive effect that lateral forces can be better supported, because the increased friction impacts and the sleeve tilt better with each other.
  • the plunger is made from a different material than the casing structure.
  • the ram is made from gray cast iron while the enclosing structure is made from steel.
  • the encasing structure it is also conceivable for the encasing structure to only be designed with a corrugated or other profile, so that the surface profile in this area increases the friction.
  • the diameter of the encasing structure can also be thicker than that of the second plunger section.
  • figure 1 shows a sleeve buffer 1 according to the invention, which has a ram 2 as a guide part, which is mounted in the sleeve 3, i.e. also has a smaller diameter than the inner diameter of the sleeve 3 another rail vehicle can be coupled later, in a buffer plate 4.
  • the ram can be divided into two ram sections 5, 6.
  • area 5 the actual ram 2 is initially thinner than in area 6, ie the ram includes a here in the outer area Recess, in which an encasing structure 7 is introduced, which surrounds the ram 2 in the area 5. Since this area 5 has a higher level of friction during a movement along the inner surface of the sleeve 4, the sleeve buffer 1 enables additional energy consumption and energy that occurs in the event of an impact can be consumed.
  • the ram 2 e.g. when coupling wagons
  • the ram 2 exerts a force on the extension sleeve 8, to which it is connected via predetermined breaking points S.
  • the spring 9 is elastically compressed.
  • the extension sleeve 8 is supported on the sleeve 3 via the projections 10 .
  • the sleeve 3 is firmly connected to the support frame 11 on which the spring 9 is also supported.
  • the plunger 2 does not penetrate further than the transition L between the areas 5 and 6 into the sleeve 3.
  • the predetermined breaking connections S also break.
  • the enclosing structure 7 ensures increased friction with the inner surface of the sleeve 3.
  • the sleeve buffer according to the invention is therefore characterized in that it offers an additional friction surface, which ensures further energy consumption.
  • it can also be combined with other measures for energy absorption, such as with structures built up in sections that are connected via predetermined breaking points or by using cutting tools that can peel off parts of the inner or outer shell structure, for example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Claims (2)

  1. Tampon plongeur (1) pour structures porteuses mobiles ou fixes (11), notamment de véhicules ferroviaires, comprenant une première et une deuxième partie de guidage (2, 3) sous la forme d'une douille (3) et d'un poussoir (2), la douille (3) pouvant être fixée de manière stationnaire à la structure porteuse (11) et le poussoir (2) pouvant être amené à coulisser par rapport à la douille (3) dans la direction longitudinale du véhicule et étant guidé par la douille (3) lors de son mouvement de coulissement, et comprenant un élément de transmission de force (9) pour l'accouplement flexible du poussoir (2) à la structure porteuse (11), au moins l'une des deux parties de guidage étant constituée de deux sections allongés ou plus (2, 8) agencées l'une derrière l'autre, qui sont reliées entre elles dans la zone de leurs côtés frontaux adjacents par respectivement une ou plusieurs liaisons de rupture privilégiée (S) et qui présentent des dimensions de section transversale différentes, de telle sorte qu'en cas de dépassement d'une force d'impact déterminée sur le tampon plongeur (1), la ou les liaisons de rupture privilégiée (S) se rompt ou se rompent, et les sections allongées (2, 8) s'enfilent l'une dans l'autre de manière télescopique, le poussoir (2) présentant un diamètre inférieur à celui de la douille (3), le poussoir étant divisé dans la direction longitudinale en au moins deux sections de poussoir (5, 6), à savoir au moins une première et une deuxième section de poussoir, la deuxième section de poussoir (6) étant agencée en chevauchement avec la douille (3) sans l'action d'une force d'impact sur le tampon plongeur (1), caractérisé en ce que la première section de poussoir (5) présente au moins partiellement un évidement, par lequel elle est réduite en diamètre par rapport à la deuxième section de poussoir (6), une structure (7) entourant et/ou enveloppant au moins partiellement, notamment entièrement, le poussoir étant insérée dans l'évidement, afin d'accroître la consommation d'énergie due au frottement entre le poussoir (2) et la douille (3) en cas d'impact sur le tampon plongeur (1) et/ou d'augmenter le support en cas d'apparition de forces transversales dues à l'impact.
  2. Tampon plongeur (1) selon la revendication 1, caractérisé en ce que la structure enveloppante (7) est réalisée dans un autre matériau que le poussoir (2), le poussoir étant notamment réalisé en fonte grise et la structure enveloppante étant au moins partiellement fabriquée en acier.
EP19188899.9A 2019-07-29 2019-07-29 Tampon plongeur pourvu de poussoir enrobé par de section Active EP3771609B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES19188899T ES2925245T3 (es) 2019-07-29 2019-07-29 Tope con caja-guía con empujador revestido por secciones
HUE19188899A HUE060184T2 (hu) 2019-07-29 2019-07-29 Hüvelypuffer szekcionáltan burkolt dugattyúval
EP19188899.9A EP3771609B1 (fr) 2019-07-29 2019-07-29 Tampon plongeur pourvu de poussoir enrobé par de section
PL19188899.9T PL3771609T3 (pl) 2019-07-29 2019-07-29 Zderzak tulejowy z osłoniętym na odcinkach popychaczem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19188899.9A EP3771609B1 (fr) 2019-07-29 2019-07-29 Tampon plongeur pourvu de poussoir enrobé par de section

Publications (2)

Publication Number Publication Date
EP3771609A1 EP3771609A1 (fr) 2021-02-03
EP3771609B1 true EP3771609B1 (fr) 2022-05-18

Family

ID=67543982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19188899.9A Active EP3771609B1 (fr) 2019-07-29 2019-07-29 Tampon plongeur pourvu de poussoir enrobé par de section

Country Status (4)

Country Link
EP (1) EP3771609B1 (fr)
ES (1) ES2925245T3 (fr)
HU (1) HUE060184T2 (fr)
PL (1) PL3771609T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115009317B (zh) * 2022-06-02 2024-04-09 南京浦汇车辆配件有限公司 一种轨道车辆司机室吸能结构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1404401A (fr) * 1961-05-17 1965-07-02 Dietrich & Cie De Tampon à friction pour matériel ferroviaire
FR2775240B1 (fr) * 1998-02-25 2000-12-22 Nantes Ecole Centrale Perfectionnement aux tampons amortisseurs d'accostage pour vehicules ferroviaires
DE10252175A1 (de) * 2002-11-09 2004-05-27 Sieghard Schneider Hülsenpuffer
WO2005115818A1 (fr) 2004-04-27 2005-12-08 Sieghard Schneider Tampon a boisseau

Also Published As

Publication number Publication date
PL3771609T3 (pl) 2022-11-07
ES2925245T3 (es) 2022-10-14
HUE060184T2 (hu) 2023-02-28
EP3771609A1 (fr) 2021-02-03

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