EP3771609A1 - 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
EP3771609A1
EP3771609A1 EP19188899.9A EP19188899A EP3771609A1 EP 3771609 A1 EP3771609 A1 EP 3771609A1 EP 19188899 A EP19188899 A EP 19188899A EP 3771609 A1 EP3771609 A1 EP 3771609A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
plunger
buffer
tappet
partially
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.)
Granted
Application number
EP19188899.9A
Other languages
German (de)
English (en)
Other versions
EP3771609B1 (fr
Inventor
Erfindernennung liegt noch nicht vor Die
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP19188899.9A priority Critical patent/EP3771609B1/fr
Priority to ES19188899T priority patent/ES2925245T3/es
Priority to PL19188899.9T priority patent/PL3771609T3/pl
Priority to HUE19188899A priority patent/HUE060184T2/hu
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.
  • such sleeve buffers are, for example, by EP 1 740 435 B1 known. They generally comprise a first and a second guide part in the form of a tappet and a sleeve, the tappet being partially received in the sleeve, which has a larger diameter than the tappet.
  • the sleeve buffer allows it to be elastically compressed in the range of its normal buffer stroke. Such an impact on the sleeve buffer occurs, for example, when two rail vehicle cars are coupled together.
  • the force is usually absorbed by a spring, the elasticity of which has the effect that when the force is removed, the plunger returns to its original position relative to the sleeve.
  • the object of the invention is to provide a sleeve buffer which can offer an even higher degree of security.
  • the sleeve buffer according to the invention can in principle be used for movable or fixed support structures.
  • Movable support structures are in particular rail vehicles, such as locomotives, freight cars or passenger 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 collide with one another when the wagons 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 Force transmission element, via which it can be elastically compressed reversibly in a certain area and also relax again. As a rule, the case buffer is therefore 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 transferred on impact, for example by means of a (plastic) deformation with regard to its structure, so that a Part of the shock is at least absorbed by the buffer.
  • the sleeve buffer is damaged or destroyed as a result, but there is little or no damage 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 tappet, the tappet 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 mounting of the two guide parts.
  • the sleeve for example, surrounds the plunger, that is to say has a larger diameter, so that the plunger can at least partially dip into the sleeve during the aforementioned relative movement.
  • the sleeve and the tappet at least partially overlap, so that as soon as an impact occurs on the tappet, it is immediately removed from the Sleeve can be guided and the movement of the plunger is at least partially predetermined.
  • this overlapping area can also at least partially support the aforementioned transverse forces. That is, force components of a shock 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 plunger and the sleeve, as it is in the state of a new, not yet used sleeve buffer, can be recorded, for example, by means of a marking.
  • the first and second guide part can have at least two sections, which are in particular arranged one behind the other or are elongated and of which at least two 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 breaking connection breaking, with an elastic component such as a spring being compressed, which, however, can expand again when the force action is canceled . If the release force is exceeded, however, not only is the spring compressed accordingly, but the predetermined breaking connections are also made to tear. Part of the energy is consumed by breaking the break connections.
  • the plunger can be elastically fully telescoped into the sleeve and, when the triggering force is exceeded, the sleeve hits the back of the buffer plate; in the process, the sleeve can peel open to the outside, so that this deformation in turn also entails a consumption of energy.
  • the sleeve buffer according to the invention is distinguished in particular by the fact that the ram is divided in the longitudinal direction into at least two ram sections, namely at least a first and a second ram section.
  • the tappet is mounted in the sleeve and partially overlaps it in the area of the second tappet section.
  • the second tappet section can be received completely or partially in the sleeve.
  • the first tappet section has, at least in sections, a recess through which it is initially reduced in diameter compared to the second tappet section. This recess in turn carries a sheathing structure.
  • this sheathing structure can provide for increased friction or improved support when transverse forces caused by impact occur.
  • a structural change is proposed in an advantageous manner, which manages without 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 be used in an advantageous manner have a positive effect that transverse forces can be better supported, because the increased friction and the sleeve tilt together better.
  • the tappet is made of a different material than the casing structure.
  • the plunger is formed from gray cast iron, while the surrounding structure is made from steel.
  • the sheathing structure only with a corrugated or other profile, so that the friction is increased in this area by the surface profile.
  • the surrounding structure can also have a thicker diameter than the second tappet section.
  • Figure 1 shows a sleeve buffer 1 according to the invention, which has a plunger 2 as a guide part, which is mounted in the sleeve 3, so also has a smaller diameter than the inner diameter of the sleeve 3.
  • the plunger 2 opens on one side on which, for example, a Another rail vehicle can be coupled later, in a buffer plate 4.
  • the tappet can be divided into two tappet sections 5, 6. In the area 5, the actual tappet 2 is initially made thinner than in the area 6, that is, the tappet here comprises an outer area Recess in which a sheathing structure 7 is introduced, which surrounds the plunger 2 in the area 5. Since this area 5 has a higher friction when moving along the inner jacket 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 plunger 2 e.g. when coupling cars
  • the plunger 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 encasing structure 7 ensures increased friction with the inner jacket of the sleeve 3.
  • the sleeve buffer according to the invention is thus characterized in that it offers an additional friction surface, which ensures further energy consumption.
  • it can also be combined with other measures for energy consumption, 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 jacket structure, for example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Bearings For Parts Moving Linearly (AREA)
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
EP19188899.9A EP3771609B1 (fr) 2019-07-29 2019-07-29 Tampon plongeur pourvu de poussoir enrobé par de section
ES19188899T ES2925245T3 (es) 2019-07-29 2019-07-29 Tope con caja-guía con empujador revestido por secciones
PL19188899.9T PL3771609T3 (pl) 2019-07-29 2019-07-29 Zderzak tulejowy z osłoniętym na odcinkach popychaczem
HUE19188899A HUE060184T2 (hu) 2019-07-29 2019-07-29 Hüvelypuffer szekcionáltan burkolt dugattyúval

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 true EP3771609A1 (fr) 2021-02-03
EP3771609B1 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115009317A (zh) * 2022-06-02 2022-09-06 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

Citations (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
FR2775240A1 (fr) * 1998-02-25 1999-08-27 Nantes Ecole Centrale Perfectionnement aux tampons amortisseurs d'accostage pour vehicules ferroviaires
DE10252175A1 (de) * 2002-11-09 2004-05-27 Sieghard Schneider Hülsenpuffer
EP1740435A1 (fr) 2004-04-27 2007-01-10 Sieghard Schneider Tampon a boisseau

Patent Citations (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
FR2775240A1 (fr) * 1998-02-25 1999-08-27 Nantes Ecole Centrale Perfectionnement aux tampons amortisseurs d'accostage pour vehicules ferroviaires
DE10252175A1 (de) * 2002-11-09 2004-05-27 Sieghard Schneider Hülsenpuffer
EP1740435A1 (fr) 2004-04-27 2007-01-10 Sieghard Schneider Tampon a boisseau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115009317A (zh) * 2022-06-02 2022-09-06 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
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

Also Published As

Publication number Publication date
EP3771609B1 (fr) 2022-05-18
HUE060184T2 (hu) 2023-02-28
ES2925245T3 (es) 2022-10-14
PL3771609T3 (pl) 2022-11-07

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