EP0094323B1 - Axiale und torsionale Halterung für einen in einer Muffe gleitenden Rohrkörper insbesondere für Stossdämpfungspuffer - Google Patents

Axiale und torsionale Halterung für einen in einer Muffe gleitenden Rohrkörper insbesondere für Stossdämpfungspuffer Download PDF

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Publication number
EP0094323B1
EP0094323B1 EP19830400956 EP83400956A EP0094323B1 EP 0094323 B1 EP0094323 B1 EP 0094323B1 EP 19830400956 EP19830400956 EP 19830400956 EP 83400956 A EP83400956 A EP 83400956A EP 0094323 B1 EP0094323 B1 EP 0094323B1
Authority
EP
European Patent Office
Prior art keywords
key
sleeve
axial
tubular body
head
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
Application number
EP19830400956
Other languages
English (en)
French (fr)
Other versions
EP0094323A1 (de
Inventor
Jean-Yves Hay
Christian Froger
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.)
Hutchinson SA
Original Assignee
Hutchinson SA
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 Hutchinson SA filed Critical Hutchinson SA
Publication of EP0094323A1 publication Critical patent/EP0094323A1/de
Application granted granted Critical
Publication of EP0094323B1 publication Critical patent/EP0094323B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/18—Details

Definitions

  • the present invention relates to a device for axial and torsional retention of a tubular body mounted to slide in a sleeve, in particular for a shock pad, the sliding of said body having to be able to take place axially within certain limits, this device comprising at least one external key.
  • axially elongated consisting of a head mounted in a housing of said sleeve, and of a heel engaged in an axial lumen of said body, without notably protruding inside the latter.
  • shock buffer is intended to denote in particular the devices which, on railway vehicles, namely wagons and power cars, serve to absorb shocks between vehicles. It is known that in these devices the damping is produced by an elastic system compressed between the bottom of the sleeve, which is usually secured to the vehicle, and the front face of the pad, which constitutes a bottom for said tubular body.
  • Said elastic system is commonly constituted, for example, by a stack of plates which are free to slide in the tubular body and between which are blocks of rubber or elastomer.
  • German patent n ° 447 842 a retaining device of the type mentioned at the beginning is known, in which the axially elongated outer key has at one end a tab, which is tightened, by a screw and nut fixing system, against a collar of the sleeve.
  • the key thus has no degree of freedom, and its fixing system is permanently subjected to forces, due to the thrust constantly exerted on the heel of the key by the outer end flange of the cooperating tubular body. This can result, at said tab of the key, significant efforts and fatigue, and premature decommissioning by wear or breakage of the metal.
  • the assembly and disassembly of the key is relatively difficult.
  • an axial and torsional retaining device of the general type defined at the start is, in accordance with the invention, characterized in that the head of the key is mounted in the housing of said sleeve by means of two transverse axes serving as pins and engaged in its ends and in holes in the side walls or cheeks of said housing, the key being able to pivot around one of these axes during the mounting of said tubular body in the sleeve and in what is provided a clearance between said transverse axes and the head of the key, and / or between these same axes and the holes of said cheeks, this clearance being axial, namely that '' it allows a slight movement of the key in the direction of said axial lumen of the tubular body, this movement, caused by a relaxation of said elastic system, which can be stopped by abutment of the key head on the corresponding end of said housing of the sleeve.
  • the effort of relaxation of the elastic system after cessation of a compression due to a shock on the tampon, effort which can be very important, will be exerted on the key without passing in a notable way by its transverse axes restraint; the key will be subjected to a compressive force exerted between the front face of its heel, in contact with the corresponding end of the axial lumen of the sliding body, and the opposite end of its head, bearing against the corresponding end sleeve housing.
  • this front face of the heel of the key is inclined towards the bottom of the sleeve and in the direction of the axis of the latter.
  • a device according to the invention may comprise several, for example two diametrically opposite, or, if necessary, a larger number, preferably evenly distributed around the periphery of the sleeve.
  • This tubular body 5 is retained in the sleeve 1 by means of two diametrically opposite keys 6. Since these two keys and the associated means are identical, only one will be described below.
  • the key has a head 6a by which it is mounted in a housing 7 of the sleeve 1, by means of two pins 8 and 9, as well as a heel 6b, which is engaged in an axial slot 10 of the tubular body 5.
  • Said housing 7 of the sleeve is delimited by two lateral cheeks 11, pierced with holes 12 receiving the ends of the axes 8 and 9, and by two abutment surfaces 13 and 14 for the key head 6a (FIG. 3).
  • front 16 and rear 17 faces of the heel 6b of the key faces which are semi-cylindrical, are inclined towards the bottom 3 of the sleeve 1 and towards the axis of the latter, the front face 16 being intended to cooperate with the end 18, correspondingly inclined, of the axial lumen 10 of the tubular body 5.
  • the mounting of the key 6 will then be completed by positioning of the axis 9 in the corresponding holes 12 and 15, after which the prestressing force can be released and the device will be ready to start operating, the tubular body 5 being retained in the sleeve 1, against the detent force permanently exerted by the system 2, by abutment of the end 18 of the axial light 10 on the inclined front face 16 of the heel 6b.
  • the axis 9 will be removed and the key 6 will be pivoted outwards, after having axially compressed said elastic system 2, with a force greater than that of the prestressing, that is to say sufficient for that the front face 16 of the heel 6b of the wedge can come out of contact with the end 18 of the lumen 10 and the heel 6 can thus be extracted therefrom. Thereafter, of course, the tubular body 5, with its elastic system 2, can be entirely removed from the sleeve 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Connection Of Plates (AREA)

Claims (4)

1. Einrichtung zum Halten eines in einer Hülse (1) verschiebbar montierten rohrförmigen Körpers (5) in axialer und in Umfangsrichtung, insbesondere für einen Puffer, wobei eine Verschiebebewegung dieses Körpers innerhalb gewisser axialer Begrenzungen möglich sein soll, umfassend mindestens einen sich in axialer Richtung erstreckenden äußeren Keil (6), welcher sich aus einem in einer Aufnahme dieser Hülse montierten Kopfteil (6a) und einem in eine axiale Ausnehmung (10) dieses Körpers eingreifenden Fußteil (6b) zusammensetzt, ohne wesentlich ins Innere desselben hineinzuragen, dadurch gekennzeichnet, daß der Kopfteil (6a) des Keils (6) in der Aufnahme (7) der Hülse (1) mittels zweier Querachsen (8) und (9) montiert ist, die als Verbindungszapfen dienen und einerseits in dessen (des Kopfteils) Enden und andererseits in Öffnungen (12) von Seitenwänden oder Wangen (11) dieser Aufnahme (7) eingreifen, wobei der Keil während der Montage des rohrförmigen Körpers (5) in der Hülse (1) um eine (8) dieser Achsen schwenken kann, und daß zwischen diesen Querachsen (8,9) und dem Kopfteil (6a) des Keils (6) und/oder zwischen diesen Querachsen (8, 9) und den Öffnungen (12) in den Wangen ein Spiel vorgesehen ist, welches in axialer Richtung wirksam ist, so daß ein kleiner Versatz des Keils (6) in Richtung der axialen Ausnehmung (10) des rohrförmigen Körpers (5) ermöglicht wird, wobei dieser durch eine Entspannung des elastischen Systems (2) verursachte Versatz durch Anlage des Kopfteils (6a) des Keils am zugeordneten Ende (13) dieser Aufnahme (7) der Hülse (1) begrenzt werden kann.
2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die vordere Fläche (16) des Fußteils ; (6b) des Keils (6), gegen die das zugeordnete Ende (18) der axialen Ausnehmung (10) des verschiebbaren Körpers (5) bei einer Entspannung des elastischen Systems (2) zur Anlage kommt, zum Boden (3) der Hülse (1) und in Achsrichtung der letzteren geneigt ist.
3. Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die hintere Fläche (17) des Fußteils (6b) des Keils (6), die der genannten vorderen Fläche (16) abgewandt ist, im gleichen Sinne wie diese letztere geneigt ist.
4. Einrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß sie zwei diametral gegenüberliegende Keile oder eine größere, vorzugsweise gleichmäßig über den Umfang der Hülse verteilt angeordnete Anzahl von Keilen umfaßt.
EP19830400956 1982-05-11 1983-05-11 Axiale und torsionale Halterung für einen in einer Muffe gleitenden Rohrkörper insbesondere für Stossdämpfungspuffer Expired EP0094323B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8208185 1982-05-11
FR8208185A FR2526742B1 (fr) 1982-05-11 1982-05-11 Dispositif de retenue axiale et torsionnelle d'un corps tubulaire monte coulissant dans un manchon, notamment pour tampon de choc

Publications (2)

Publication Number Publication Date
EP0094323A1 EP0094323A1 (de) 1983-11-16
EP0094323B1 true EP0094323B1 (de) 1986-07-23

Family

ID=9273920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830400956 Expired EP0094323B1 (de) 1982-05-11 1983-05-11 Axiale und torsionale Halterung für einen in einer Muffe gleitenden Rohrkörper insbesondere für Stossdämpfungspuffer

Country Status (5)

Country Link
EP (1) EP0094323B1 (de)
CS (1) CS259513B2 (de)
DE (1) DE3364690D1 (de)
FR (1) FR2526742B1 (de)
PL (1) PL141588B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19619213C2 (de) * 1996-05-13 2000-03-09 Eisenbahntech Halberstadt Gmbh Puffer, insbesondere Hülsenpuffer für Schienenfahrzeuge
DE20114203U1 (de) * 2001-08-30 2002-01-10 Laue, Beate, 06484 Ditfurt Puffer, insbesondere Hülsenpuffer für Schienenfahrzeuge und stationäre Anlagen
CN110979384B (zh) * 2019-12-24 2024-10-29 中南大学 一种动车组用压溃管抗弯装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE564807A (de) *
DE447842C (de) * 1925-11-22 1927-07-28 Siegener Eisenbahnbedarf Akt G Eisenbahnhuelsenpuffer
DE462538C (de) * 1927-03-06 1928-07-12 Friedrich Reckel Eisenbahnhuelsenpuffer
AT306789B (de) * 1970-05-19 1973-04-25 Stabeg Appbau Gmbh Puffer für Schienenfahrzeuge

Also Published As

Publication number Publication date
FR2526742A1 (fr) 1983-11-18
FR2526742B1 (fr) 1985-09-27
CS259513B2 (en) 1988-10-14
PL141588B1 (en) 1987-08-31
EP0094323A1 (de) 1983-11-16
DE3364690D1 (en) 1986-08-28
PL241919A1 (en) 1984-01-02
CS331483A2 (en) 1988-03-15

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