EP3771611A1 - Tampon plongeur à marquage - Google Patents

Tampon plongeur à marquage Download PDF

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Publication number
EP3771611A1
EP3771611A1 EP19188902.1A EP19188902A EP3771611A1 EP 3771611 A1 EP3771611 A1 EP 3771611A1 EP 19188902 A EP19188902 A EP 19188902A EP 3771611 A1 EP3771611 A1 EP 3771611A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
buffer
marking
plunger
guide part
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
EP19188902.1A
Other languages
German (de)
English (en)
Other versions
EP3771611B1 (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
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP19188902.1A priority Critical patent/EP3771611B1/fr
Priority to ES19188902T priority patent/ES2946081T3/es
Priority to PL19188902.1T priority patent/PL3771611T3/pl
Priority to HUE19188902A priority patent/HUE061902T2/hu
Publication of EP3771611A1 publication Critical patent/EP3771611A1/fr
Application granted granted Critical
Publication of EP3771611B1 publication Critical patent/EP3771611B1/fr
Active legal-status Critical Current
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
    • B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/18—Details

Definitions

  • the invention relates to a sleeve buffer for movable or fixed support structures, in particular of rail vehicles, 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 be able to provide a case buffer which offers a higher degree of security and allows an improved security control during routine checks.
  • 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 by means of which it can be elastically and reversibly compressed 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 surrounds the plunger, so it has a larger diameter so that in said relative movement of the plunger can at least partially dip into the sleeve.
  • the sleeve and the plunger overlap at least partially, so that as soon as an impact occurs on the plunger, it can be guided directly by the sleeve and the movement of the plunger is at least partially predetermined.
  • this overlapping area can also at least partially support the aforementioned transverse forces. This means that 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 e.g. by means of a marking.
  • a marking is no longer at the point where it would be with a new sleeve buffer or a sleeve buffer that does not yet have one Was exposed to a shock and the release force has not yet been exceeded.
  • the state of the buffers should be checked.
  • the marking is designed as a depression or recess. Accordingly, the marking is a permanent structure that cannot be impaired or removed by mechanical influences or the like. Instead it becomes a conventional marking, which is applied as a color marking, is used, it can be damaged or removed by the weather. In normal operation, however, rapid wear is also to be expected due to other influences: Such a marking is attached, for example, to the edge of the overlap area of the plunger and sleeve. In the event of impacts during the buffer stroke, which occur during normal operation when maneuvering or coupling cars, the outer surface of the plunger and the inner surfaces of the sleeve rub against one another. A color marking is thus easily rubbed off.
  • Such a marking can also be dirty and covered by lubricating grease and deposits. With the constant cleaning, a conventional color marking is then worn out more and more.
  • the marking is designed as a depression or recess in the material, then there is a permanent structure that can no longer be easily removed due to the effects of the weather, deposits or friction. Such a marking can thus also be found quickly and reliably during a routine check. Dirt residues can be removed without any problems, without the risk of the marking being damaged as a result and it is no longer possible to read whether the sleeve buffer has already been permanently damaged by reaching the release force.
  • the plunger generally plunges into the sleeve buffer or the plunger and sleeve buffer slide telescopically into one another. If the sleeve buffer was deformed as a result of a collision or a structure in the sleeve buffer was broken, the position of the plunger relative to the sleeve is changed. Therefore, at this transition point in the As a rule, it is easiest to recognize whether the release force that has led to a deformation or breakage has already been reached. In the area of the normal buffer stroke, the plunger or sleeve are returned to their original position, for example due to the elastic behavior of a spring.
  • the marking can also include additional markings, e.g. a kind of ruler, in order to be able to read off the strength of a deformation if necessary.
  • additional markings e.g. a kind of ruler
  • the sleeve or the second guide part has a larger diameter than the first guide part or the plunger.
  • the marking is then advantageously attached to the first guide part, i.e. during the telescopic movement during which the first guide part is pushed into the second guide part, the marking is thus more and more covered by the second guide part.
  • An overlap of the marking in the unloaded state again shows that a relative change in position between the first and second guide part has taken place, i.e. plastic deformation or a break has taken place, i.e. the release force has been reached and the sleeve buffer has to be replaced.
  • this interlocking or overlapping of the first and second guide parts also offers the advantage of supporting transverse forces that may occur from closures.
  • the marking can, for example, taper in the direction of travel or against the direction of travel, for example have a point or be designed as a triangle. If the release force has not yet been exceeded, the corresponding arrowhead can rest precisely at the transition between the first and second guide part without the action of force. Even small deformations result in the tip being covered and the second guide part (permanently) lying over the tip and covering it. If the tip is only just covered, a slight plastic deformation has taken place.
  • the sleeve or the second guide part can be arranged towards the support structure as the largest part in terms of diameter and, in particular, be fixedly attached to it.
  • the first guide part, in particular the plunger can also be moved elastically
  • a force transmission member for example a spring
  • a spring usually enables an essentially elastic behavior in a certain force range. Nevertheless, a certain part of the energy can also be lost due to inelastic effects in such collisions.
  • 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 possibly peel open outwards, so that this deformation in turn also consumes energy brings.
  • the sleeve buffer 1 which is attached to a supporting structure 2, comprises a plunger 3 and a sleeve 4.
  • the plunger 3 and sleeve 4 are mounted one inside the other and guided relative to one another, the sleeve 4 having a larger inner diameter than the outer diameter of the plunger 3.
  • Both Parts, plunger 3 and sleeve 4 can thus be referred to as first and second guide parts.
  • the sleeve buffer 1 is in turn fastened to the support structure 2 via the sleeve 4.
  • the plunger 3 opens into one Buffer plates 5.
  • the contact usually takes place initially on the buffer plates.
  • the respective buffers meet at low speed and an impulse is transmitted as soon as the respective buffer plates touch.
  • the plunger 3 can slide into the sleeve 4, that is, both are telescoped into one another.
  • a marking 6 is now made on the plunger 3 as a recess.
  • the marking 6 is triangular (more precisely: it forms an isosceles triangle in which the sides of the same length partially extend along the axis of travel direction FR), with a point pointing in the direction of the sleeve 4.
  • the internal structure of the sleeve buffer 1 is in Figure 2 shown.
  • the plunger 3 protrudes into the sleeve 4 and forms an overlap region 7.
  • An extension sleeve 8 is attached to the actual plunger 3 and is loosely supported on the inner wall of the sleeve 4 with the aid of the projections 9.
  • the actual plunger 3 and the extension sleeve 8 are connected to one another via predetermined breaking points 10.
  • the plunger 3 is supported on the support structure 2 via the extension sleeve 8 and via a spring 11 resting on the extension sleeve 8.
  • the plunger 3 is in the sleeve 4 is pushed in by compressing the spring 11 as a compression spring. If the acting force is below the release force, only the spring 11 is compressed and can then expand elastically (or essentially elastically) again, ie it brings the plunger 3 into its original position relative to the sleeve 4.
  • the marking 6 lies with its sleeve 4 facing the tip directly on the edge of the sleeve 4 in the unloaded state.
  • the plunger 3 moves in Figure 2 to the right in the plane of the drawing, so that the triangle is more and more covered by the sleeve 4.
  • the spring expands again when the force is removed, so that the triangle 6 appears more and more under the sleeve 4 and, ideally, in the unloaded state, the tip again rests on the edge of the sleeve 4.
  • the force effect exceeds the triggering force in the event of an impact, it can happen that the spring 11 is compressed so far that the extension sleeve (here: with the projections 9) presses against the support structure 2. If there is sufficient force, the predetermined breaking point 10 can break open in this case. The plunger 3 can then be pushed further into the sleeve 4. A certain amount of energy is necessary for breaking the predetermined breaking connections 10, which is consumed and thus consumes part of the energy of the impact.
  • the marking 6 again comes under the sleeve 4, ie the sleeve 4 at least partially covers the marking 6. Since it is an inelastic process in which the predetermined breaking point 10 was broken, the plunger 3 will also no longer return to its original position, unlike in an elastic case. So from the outside, there the marking 6 is at least partially covered by the sleeve 4, it can be read that the release force has been exceeded and the sleeve buffer needs to be replaced or at least repaired.
  • the marking away according to the invention is designed as a depression or recess in the tappet material 3, it cannot become detached over time, influenced by weathering, friction with the sleeve 4 or by dirt. Even with constant cleaning, the marking is not affected.
  • the marking 6 in the form of a depression or recess can thus offer a significantly higher degree of security.
  • the status of the buffer can be checked more quickly, since dirt that covers a marking can be easily and easily removed. The handling during maintenance or routine checking can thus also be simplified and improved.
  • the plungers 3 and 4 can be arranged with respect to one another in such a way that the sleeve 4 finally comes into contact with the buffer plate 5 in the event that the triggering force is exceeded. Due to the expanding structure of the buffer plate 5 in the area facing the sleeve, the sleeve can also expand or peel open when it is pressed against the buffer plate, so that this deformation leads to energy consumption. If necessary, the sleeve 4 can expand so much that it curls up in the direction of the support structure 2 and, on contact with the sleeve buffer, further mechanical resistance is formed.
  • marking is designed as a depression and / or recess in order to offer a higher level of security and to be able to provide improved security controls during routine checks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Pens And Brushes (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
EP19188902.1A 2019-07-29 2019-07-29 Tampon plongeur à marquage Active EP3771611B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19188902.1A EP3771611B1 (fr) 2019-07-29 2019-07-29 Tampon plongeur à marquage
ES19188902T ES2946081T3 (es) 2019-07-29 2019-07-29 Tope de manguito con marca
PL19188902.1T PL3771611T3 (pl) 2019-07-29 2019-07-29 Zderzak tulejowy z oznaczeniem
HUE19188902A HUE061902T2 (hu) 2019-07-29 2019-07-29 Jelöléssel ellátott perselyütközõ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19188902.1A EP3771611B1 (fr) 2019-07-29 2019-07-29 Tampon plongeur à marquage

Publications (2)

Publication Number Publication Date
EP3771611A1 true EP3771611A1 (fr) 2021-02-03
EP3771611B1 EP3771611B1 (fr) 2023-03-01

Family

ID=67539189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19188902.1A Active EP3771611B1 (fr) 2019-07-29 2019-07-29 Tampon plongeur à marquage

Country Status (4)

Country Link
EP (1) EP3771611B1 (fr)
ES (1) ES2946081T3 (fr)
HU (1) HUE061902T2 (fr)
PL (1) PL3771611T3 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005115818A1 (fr) * 2004-04-27 2005-12-08 Sieghard Schneider Tampon a boisseau

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005115818A1 (fr) * 2004-04-27 2005-12-08 Sieghard Schneider Tampon a boisseau
EP1740435A1 (fr) 2004-04-27 2007-01-10 Sieghard Schneider Tampon a boisseau

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GS1 AISBL: "Identification of Components and Parts in the Rail Industry - Application Standard", 1 September 2018 (2018-09-01), XP055661471, Retrieved from the Internet <URL:https://www.gs1.org/docs/rail/Identification_of_Components_and_Parts_in_Rail_Industry_Application_Standard.pdf> [retrieved on 20200123] *
SIEGHARD SCHNEIDER: "Durchführung des 4g Auflaufversuchs in Deutschland - Neue Technologien zur Vermeidung von Kraft- und Beschleunigungsspitzen", 21 November 2008 (2008-11-21), XP055661482, Retrieved from the Internet <URL:https://docplayer.org/storage/21/1197611/1579803159/oCRS7b7MlPe020lizYiNdQ/1197611.pdf> [retrieved on 20200123] *

Also Published As

Publication number Publication date
EP3771611B1 (fr) 2023-03-01
HUE061902T2 (hu) 2023-09-28
ES2946081T3 (es) 2023-07-12
PL3771611T3 (pl) 2023-09-04

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