EP1182111A1 - Hülsenpuffer zur federnden Aufnahme von Stosskräften, insbesondere für Schienenfahrzeuge - Google Patents
Hülsenpuffer zur federnden Aufnahme von Stosskräften, insbesondere für Schienenfahrzeuge Download PDFInfo
- Publication number
- EP1182111A1 EP1182111A1 EP01119580A EP01119580A EP1182111A1 EP 1182111 A1 EP1182111 A1 EP 1182111A1 EP 01119580 A EP01119580 A EP 01119580A EP 01119580 A EP01119580 A EP 01119580A EP 1182111 A1 EP1182111 A1 EP 1182111A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- buffer
- sleeve
- bore
- key
- feather key
- 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
Links
- 239000000872 buffer Substances 0.000 title claims abstract description 60
- 210000003746 feather Anatomy 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 239000010959 steel Substances 0.000 claims abstract description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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 resilient absorption of impact forces, especially for rail vehicles, with two telescopically one inside the other guided housing parts braced against each other against the force of a spring - Buffer tappet and buffer sleeve -, whereby to form an anti-rotation a key is fixed to one of the housing parts, with a Longitudinal groove of the other housing part interacts.
- a sleeve buffer with the aforementioned features is by the German Patent 43 37 257 known.
- a feather key is provided, 1 by welding with the buffer tappet is connected and in a longitudinal groove on the outside of the buffer sleeve intervenes. 2 acts in a groove of the Buffer sleeve held key with a formed inside the buffer tappet Longitudinal groove together.
- the invention is based on the knowledge that the dimensional games between the key and the longitudinal groove should be dimensioned so that in operation of the sleeve buffer, especially with eccentric loads Frictional forces between the buffer tappet and the buffer sleeve in their telescopic area also have play to each other, always through these two housing parts itself and not via the operative connection key - longitudinal groove added become. A little play between key and longitudinal groove increases the friction of the sleeve buffer and leads to considerable wear. However, large play between the key and the longitudinal groove can lead to premature Failure of the sleeve buffer due to an anti-rotation lock mean.
- the invention has for its object a sleeve buffer of the generic type Art in a way that is as simple as possible in terms of construction and inexpensive To design so that the game between key and longitudinal groove can be made very small and yet the friction forces that occur only between the housing parts - buffer plunger and buffer sleeve - be included.
- the one housing part and the feather key each transverse to the longitudinal axis of the sleeve buffer have arranged bore, wherein in the bore of a housing part a bolt is held which rotatably engages in the bore of the parallel key. Because the key can be rotated even with relative Can always align the inclination of the two housing parts Game between the key and the longitudinal groove advantageously carried out very small be, the ease of movement of the two housing parts to each other is guaranteed.
- the customary in known sleeve buffers is furthermore cheap Groove for fixing the feather key in the sleeve buffer according to the invention replaced by a simple hole for the key holding the key.
- the buffer sleeve 2 has a bore 7, in which a bolt 4 is held firmly, for example, by pressing is.
- This bolt 4 rotatably engages in a bore 8 of a key 3, the interacts with a longitudinal groove 5 of the buffer tappet 1.
- the parallel key 3 is preferably made of a suitable plastic (e.g. a polyamide); but it can also be made of a suitable metallic material (such as z. B. steel) exist.
- the bolt 4 which is part of a Screw can be fixed in a bore of the buffer tappet 1. Also in this Case engages the bolt 4 rotatably in the bore 8 of the key 3, the 4 rests in a longitudinal groove 5 of the buffer sleeve 2. Besides, will on the support of the parallel key 3 against the cylindrical shoulder 2b Buffer sleeve 2 limits the return stroke of the sleeve buffer.
- Two or more of the key 3 and the bolt 4 each encompassing Anti-rotation devices can each be distributed around the circumference of the sleeve buffer can be arranged as shown in Fig. 4 for a double arrangement is.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
- Fig. 1
- einen Hülsenpuffer im Längsschnitt, und zwar nach der Linie B - B in Fig. 2,
- Fig. 2
- den Schnitt nach der Linie A - A in Fig. 1,
- Fig. 3
- die Einzelheit Z aus Fig. 1 im vergrößerten Maßstab,
- Fig. 4
- eine weitere Ausführungsmöglichkeit des Hülsenpuffers im Längsschnitt.
- 1
- Pufferstößel als äußeres Gehäuseteil
- 1a
- Pufferteller
- 1b
- Umfangsbund
- 2
- Pufferhülse als inneres Gehäuseteil
- 2a
- Befestigungsplatte
- 2b
- zylindrische Schulter
- 3
- Paßfeder
- 4
- Bolzen
- 5
- Längsnut
- 6
- Feder
- 7
- Bohrung in der Pufferhülse
- 8
- Bohrung in der Paßfeder
- 9
- geschlitzter, federnder Ring
Claims (6)
- Hülsenpuffer zur federnden Aufnahme von Stoßkräften, insbesondere für Schienenfahrzeuge, mit zwei teleskopartig ineinander geführten, gegen die Kraft einer Feder (6) zueinander verspannten Gehäuseteilen - Pufferstößel (1) und Pufferhülse (2) -, wobei zum Bilden einer Verdrehsicherung an einem der Gehäuseteile (2) eine Paßfeder (3) fixiert ist, die mit einer Längsnut (5) des anderen Gehäuseteiles (1) zusammenwirkt, dadurch gekennzeichnet, daß das eine Gehäuseteil (2) und die Paßfeder (3) jeweils eine quer zur Längsachse des Hülsenpuffers angeordnete Bohrung (7 bzw. 8) aufweisen, wobei in der Bohrung (7) des einen Gehäuseteiles (2) ein Bolzen (4) gehalten ist, der in die Bohrung (8) der Paßfeder (3) drehbar eingreift.
- Hülsenpuffer nach Anspruch 1, dadurch gekennzeichnet, daß die Paßfeder (3) aus einem geeigneten metallischen Werkstoff (wie z. B. Stahl) hergestellt ist.
- Hülsenpuffer nach Anspruch 1, dadurch gekennzeichnet, daß die Paßfeder (3) aus einem geeigneten Kunststoff hergestellt ist.
- Hülsenpuffer nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Bolzen (4) in die Bohrung (7) des einen Gehäuseelementes (2) unlösbar eingesetzt ist.
- Hülsenpuffer nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Bolzen (4) in die Bohrung (7) des einen Gehäuseelementes (2) lösbar eingesetzt ist.
- Hülsenpuffer nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß zwei oder mehrere der jeweils die Paßfeder (3) und den Bolzen (4) umfassende Verdrehsicherungen auf dem Umfang des Hülsenpuffers verteilt angeordnet sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10041407 | 2000-08-23 | ||
| DE10041407A DE10041407A1 (de) | 2000-08-23 | 2000-08-23 | Hülsenpuffer zur federnden Aufnahme von Stoßkräften, insbesondere für Schienenfahrzeuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1182111A1 true EP1182111A1 (de) | 2002-02-27 |
| EP1182111B1 EP1182111B1 (de) | 2003-12-10 |
Family
ID=7653528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01119580A Expired - Lifetime EP1182111B1 (de) | 2000-08-23 | 2001-08-16 | Hülsenpuffer zur federnden Aufnahme von Stosskräften, insbesondere für Schienenfahrzeuge |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1182111B1 (de) |
| AT (1) | ATE256024T1 (de) |
| DE (2) | DE10041407A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10123405B4 (de) * | 2001-05-14 | 2008-03-13 | Keystone Bahntechnik Gmbh | Hülsenpuffer zur federnden Aufnahme von Stosskräften, insbesondere für Schienenfahrzeuge |
| DE20114203U1 (de) * | 2001-08-30 | 2002-01-10 | Laue, Beate, 06484 Ditfurt | Puffer, insbesondere Hülsenpuffer für Schienenfahrzeuge und stationäre Anlagen |
| DE102019129425A1 (de) * | 2019-10-31 | 2021-05-06 | Voith Patent Gmbh | Zugkupplungsdämpfungsvorrichtung |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB350622A (en) * | 1930-03-29 | 1931-06-18 | Arthur Percy Fitzjohn | Improvements in, and relating to, buffers for rolling stock |
| AT306789B (de) * | 1970-05-19 | 1973-04-25 | Stabeg Appbau Gmbh | Puffer für Schienenfahrzeuge |
| DE4337257C1 (de) * | 1993-11-02 | 1995-04-13 | Ringfeder Gmbh | Hülsenpuffer für Schienenfahrzeuge |
| DE19619213A1 (de) * | 1996-05-13 | 1997-11-20 | Eisenbahntech Halberstadt Gmbh | Puffer, insbesondere Hülsenpuffer für Schienenfahrzeuge |
-
2000
- 2000-08-23 DE DE10041407A patent/DE10041407A1/de not_active Withdrawn
-
2001
- 2001-08-16 DE DE50101121T patent/DE50101121D1/de not_active Expired - Lifetime
- 2001-08-16 EP EP01119580A patent/EP1182111B1/de not_active Expired - Lifetime
- 2001-08-16 AT AT01119580T patent/ATE256024T1/de not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB350622A (en) * | 1930-03-29 | 1931-06-18 | Arthur Percy Fitzjohn | Improvements in, and relating to, buffers for rolling stock |
| AT306789B (de) * | 1970-05-19 | 1973-04-25 | Stabeg Appbau Gmbh | Puffer für Schienenfahrzeuge |
| DE4337257C1 (de) * | 1993-11-02 | 1995-04-13 | Ringfeder Gmbh | Hülsenpuffer für Schienenfahrzeuge |
| DE19619213A1 (de) * | 1996-05-13 | 1997-11-20 | Eisenbahntech Halberstadt Gmbh | Puffer, insbesondere Hülsenpuffer für Schienenfahrzeuge |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50101121D1 (de) | 2004-01-22 |
| ATE256024T1 (de) | 2003-12-15 |
| DE10041407A1 (de) | 2002-03-07 |
| EP1182111B1 (de) | 2003-12-10 |
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