EP0094323A1 - 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
EP0094323A1
EP0094323A1 EP83400956A EP83400956A EP0094323A1 EP 0094323 A1 EP0094323 A1 EP 0094323A1 EP 83400956 A EP83400956 A EP 83400956A EP 83400956 A EP83400956 A EP 83400956A EP 0094323 A1 EP0094323 A1 EP 0094323A1
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.)
Granted
Application number
EP83400956A
Other languages
English (en)
French (fr)
Other versions
EP0094323B1 (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 be carried out axially within certain limits, this device comprising at least one elongated external key.
  • this device comprising at least one elongated external key. axially, consisting of a head mounted in a housing of said sleeve, and 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 comprises 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 mounting and dismounting of the key are 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 upon mounting of said body tu - lary in the sleeve.
  • a clearance will be provided between said transverse axes and the head of the key, and / or between these same axes and the holes in said cheeks, this clearance being axial, namely that it allows a slight displacement of the key in the direction of said axial lumen of the tubular body, this displacement, 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 muff.
  • 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 in accordance with the invention may comprise several, for example two diametrically opposite, or, if necessary, a larger number, preferably equi-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 the inter-. medial of two axes 8 and 9, as well as a heel 6b, which is engaged in an axial lumen 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.
  • a device thus designed will be extremely easy to assemble, since one of the axes, for example the axis 9, not yet being in place, it will suffice to engage the tubular body 5 in the sleeve 1, and to prestress the elastic system 2, until the end 19 of the body 5, coming to abut on the rear inclined face 17 of the heel 6b of the key, makes it pivot towards the exterior, around the axis 8, then what, the thrust exerted on the pad 4 continuing, the key may fall and its heel 6b come to occupy the lumen 10.
  • 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 key can come out of contact with the end 18 of the lumen 10 and the heel 6 to be thus extracted. Thereafter, of course, the tubular body 5, with its elastic system 2, can be entirely removed from the sleeve 1.
  • the axial forces permanent prestressing force of the system 2 and return shocks consecutive to a brutal relaxation of this system after an axial impact of depression exerted on the pad 4
  • they will be cashed directly by the two keys 6 , working mainly in compression: the shock will be transmitted to the heel of the key on its front face 16 by the end 18 of the slot 10, then will be taken up by the face 13 of the housing 7 of the sleeve, on which the end will come opposite the head 6a of the key.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Connection Of Plates (AREA)
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 true EP0094323A1 (de) 1983-11-16
EP0094323B1 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)

Cited By (2)

* 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
CN110979384A (zh) * 2019-12-24 2020-04-10 中南大学 一种动车组用压溃管抗弯装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20114203U1 (de) * 2001-08-30 2002-01-10 Laue, Beate, 06484 Ditfurt Puffer, insbesondere Hülsenpuffer für Schienenfahrzeuge und stationäre Anlagen

Citations (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

Patent Citations (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

Cited By (2)

* 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
CN110979384A (zh) * 2019-12-24 2020-04-10 中南大学 一种动车组用压溃管抗弯装置

Also Published As

Publication number Publication date
FR2526742A1 (fr) 1983-11-18
FR2526742B1 (fr) 1985-09-27
CS259513B2 (en) 1988-10-14
EP0094323B1 (de) 1986-07-23
PL141588B1 (en) 1987-08-31
DE3364690D1 (en) 1986-08-28
PL241919A1 (en) 1984-01-02
CS331483A2 (en) 1988-03-15

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