EP1182111B1 - Hülsenpuffer zur federnden Aufnahme von Stosskräften, insbesondere für Schienenfahrzeuge - Google Patents
Hülsenpuffer zur federnden Aufnahme von Stosskräften, insbesondere für Schienenfahrzeuge Download PDFInfo
- Publication number
- EP1182111B1 EP1182111B1 EP01119580A EP01119580A EP1182111B1 EP 1182111 B1 EP1182111 B1 EP 1182111B1 EP 01119580 A EP01119580 A EP 01119580A EP 01119580 A EP01119580 A EP 01119580A EP 1182111 B1 EP1182111 B1 EP 1182111B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- buffer
- casing
- feather key
- plunger
- sleeve
- 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 - Lifetime
Links
- 239000000872 buffer Substances 0.000 title claims abstract description 61
- 210000003746 feather Anatomy 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 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 the resilient absorption of impact forces, especially for rail vehicles, with two telescopically into each other guided, against the force of a spring clamped to each other housing parts - Buffer ram and buffer sleeve -, wherein for forming a rotation on one of the housing parts a feather key is fixed, with a Longitudinal groove of the other housing part cooperates.
- a sleeve buffer with the aforementioned features is by the German Patent 43 37 257 known.
- a feather key is provided, in the embodiment of FIG. 1 by welding with the buffer ram is connected and in a longitudinal groove on the outside of the buffer sleeve intervenes.
- FIG. 2 acts in a groove of the Buffer sleeve held key with a formed inside the buffer plunger Longitudinal groove together.
- Another sleeve buffer of this kind is from the DE-A-19 619 213.
- the invention is based on the recognition that the dimensional games between the key and the longitudinal groove should be sized so that in operation the sleeve buffer occurring especially in eccentric load Frictional forces between the buffer ram and buffer sleeve in their telescope area also have play with each other; always over these two housing parts itself and not on the operative connection key - added longitudinal groove become.
- a small game between parallel key and longitudinal groove increases the friction of the sleeve buffer and leads to considerable wear.
- big game between keyway and longitudinal groove can be premature Failure of the sleeve buffer due to a worn out anti-twist device mean.
- the invention is based on the object, a sleeve buffer of the generic Kind on constructive as simple as possible and cost-effective To make way so that the game between key and longitudinal groove can be made very small and yet the friction forces occurring only between the housing parts - Buffer ram and buffer sleeve - be recorded.
- the one housing part and the key each one transverse to the longitudinal axis of the sleeve buffer having arranged bore, wherein in the bore of a housing part a bolt is held, which rotatably engages in the bore of the feather key. Because the keyway by its rotation even at relative Can always align inclination of the two housing parts, the Play between the parallel key and the longitudinal groove advantageously made very small be, with the ease of movement of the two housing parts to each other is guaranteed. Further low is the usual in known sleeve buffers Groove for fixing the feather key in the sleeve buffer according to the invention replaced by a simple hole for the feather key holding bolts.
- the housing of the sleeve buffer shown in each case from an outer housing part - the buffer ram 1 with buffer plate 1a - and an inner housing part, here buffer sleeve 2 with mounting plate 2a.
- a symbolically drawn spring 3 is arranged, which is usually biased.
- the buffer sleeve 2 has a bore 7, in which a bolt 4 held firmly, for example by pressing is.
- This bolt 4 rotatably engages in a bore 8 of a feather key 3, the with a longitudinal groove 5 of the buffer ram 1 cooperates.
- the feather key 3 is preferably made of a suitable plastic (eg a polyamide); but it can also be made of a suitable metallic material (such as z. As steel) exist.
- the bolt 4, the part of a Screw can be fixed in a bore of the buffer ram 1. Also in this Case engages the bolt 4 rotatably in the bore 8 of the feather key 3, the 4 rests in a longitudinal groove 5 of the buffer sleeve 2. In addition, will on the support of the feather key 3 against the cylindrical shoulder 2b Buffer sleeve 2 limits the return stroke of the sleeve buffer.
- each of the feather key 3 and the bolt 4 comprehensive Anti-rotation devices can each be distributed on the circumference of the sleeve buffer 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)
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 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 EP1182111A1 (de) | 2002-02-27 |
| EP1182111B1 true 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 |
Family Cites Families (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 |
| DE19619213C2 (de) * | 1996-05-13 | 2000-03-09 | Eisenbahntech Halberstadt Gmbh | Puffer, insbesondere Hülsenpuffer für Schienenfahrzeuge |
-
2000
- 2000-08-23 DE DE10041407A patent/DE10041407A1/de not_active Withdrawn
-
2001
- 2001-08-16 AT AT01119580T patent/ATE256024T1/de not_active IP Right Cessation
- 2001-08-16 EP EP01119580A patent/EP1182111B1/de not_active Expired - Lifetime
- 2001-08-16 DE DE50101121T patent/DE50101121D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE10041407A1 (de) | 2002-03-07 |
| ATE256024T1 (de) | 2003-12-15 |
| DE50101121D1 (de) | 2004-01-22 |
| EP1182111A1 (de) | 2002-02-27 |
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