EP1283142B1 - Puffer für Schienenfahrzeuge - Google Patents

Puffer für Schienenfahrzeuge Download PDF

Info

Publication number
EP1283142B1
EP1283142B1 EP02405589A EP02405589A EP1283142B1 EP 1283142 B1 EP1283142 B1 EP 1283142B1 EP 02405589 A EP02405589 A EP 02405589A EP 02405589 A EP02405589 A EP 02405589A EP 1283142 B1 EP1283142 B1 EP 1283142B1
Authority
EP
European Patent Office
Prior art keywords
buffer
intermediate element
plunger tube
plate
buffer plate
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
Application number
EP02405589A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1283142A1 (de
Inventor
Otto Ziegler
Elio Tommasini
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.)
Schwab Verkehrstechnik AG
Original Assignee
Schwab Verkehrstechnik AG
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 Schwab Verkehrstechnik AG filed Critical Schwab Verkehrstechnik AG
Publication of EP1283142A1 publication Critical patent/EP1283142A1/de
Application granted granted Critical
Publication of EP1283142B1 publication Critical patent/EP1283142B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/12—Buffers with fluid springs or shock-absorbers; Combinations thereof

Definitions

  • the invention relates to a buffer for rail vehicles according to the preamble of Claim 1.
  • buffers also known gas-hydraulic buffer.
  • These buffers are gas-hydraulic Damping usually from a closed cartridge, which as finished Component is inserted into the buffer such that the buffer plunger on the gas-hydraulic Damping element is supported on the buffer sleeve.
  • gas-hydraulic buffer in which the gas-hydraulic damping device is integrated into the buffer, so no actual cartridge is used comes.
  • Such a known buffer has a on the rail vehicle to be attached buffer sleeve and a buffer ram with an external Pusher tube, an inner plunger tube and a buffer plate on. The pushrod becomes guided on the outside of the buffer sleeve.
  • Both the ram and the tube Plunger tube are in operative connection with the buffer plate.
  • the plunger tube is double-sided each closed by a flange. In its interior, the plunger tube forms a Gas space for receiving a pressure of approx. 10-20 bar Gas and a subset of the hydraulic medium.
  • the buffer sleeve is in the Buffer plate facing end portion provided with an annular groove in which a V-shaped seal is added. This seals the gap between the plunger tube and the buffer sleeve and thus also the oil space to the outside.
  • the buffer has a buffer sleeve (not shown) to be fastened to the rail vehicle 1 and a plunger assembly 2.
  • the latter consists of an outer one Pusher tube 3 with an attached buffer pad 4 and an inner plunger tube 5.
  • the plunger tube 5 is closed on both sides by a respective flange 6, 7.
  • a gas chamber 8 for receiving a below an overpressure of about 10-20 bar standing gas and a subset of Hydraulic medium.
  • an oil chamber 9 is formed in the interior of the buffer sleeve 1. In the rebounded state shown here, the gas space 8 to a Part filled with hydraulic oil while the oil chamber 9 is completely filled with hydraulic oil is.
  • the vehicle-side valve flange 7 forms together with a recorded therein Valve assembly 13, a gas-hydraulic control device 12, which the plunger assembly 2 endeavor to keep in the rest position shown here. moreover is acted upon by the gas-hydraulic control device 12 on the buffer plate 4 Shock forces the flow between the oil chamber 9 and the gas space 8 in Controlled dependence of the acting forces. Because the basic mode of action the control device 12 is known, will not be discussed in detail.
  • This wire 19 is used first Line as an assembly aid, by means of which the intermediate element 15 on the disc 10 and so that it is fixed to the plunger tube 5. Furthermore, the bracket 20 also serves as a positioning aid, which the angular position of the plunger tube 5 about the longitudinal central axis 22 in relation to the buffer plate 4 and thus determines the entire buffer.
  • the buffer sleeve 1 wrapped around the circumference plastic bands 27, which form a kind of plain bearing for the ram pipe 3.
  • the plunger tube 5 is largely parallel to Inserted longitudinal center axis 22 of the ram tube, as an eccentric deflection the buffer plate 4 of the "floating" between the buffer plate 4 and the Washer 10 mounted intermediate member 15 is received by facing each other the buffer plate 4 automatically centered in the radial direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Vehicle Body Suspensions (AREA)
EP02405589A 2001-08-10 2002-07-11 Puffer für Schienenfahrzeuge Expired - Lifetime EP1283142B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH14752001 2001-08-10
CH14752001 2001-08-10

Publications (2)

Publication Number Publication Date
EP1283142A1 EP1283142A1 (de) 2003-02-12
EP1283142B1 true EP1283142B1 (de) 2005-06-08

Family

ID=4565509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02405589A Expired - Lifetime EP1283142B1 (de) 2001-08-10 2002-07-11 Puffer für Schienenfahrzeuge

Country Status (5)

Country Link
EP (1) EP1283142B1 (pl)
AT (1) ATE297335T1 (pl)
DE (1) DE50203315D1 (pl)
ES (1) ES2243680T3 (pl)
PL (1) PL199059B1 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1283143A1 (de) * 2001-08-10 2003-02-12 Schwab Verkehrstechnik AG Gashydraulische Dämpfungseinrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE703842C (de) * 1936-12-19 1941-03-17 Gisbert Boellhoff Puffer fuer Kleinbahnfahrzeuge, insbesondere Grubenfoerderwagen
BE544962A (pl) * 1955-02-05
BE558262A (pl) * 1956-06-11
DE19728421A1 (de) * 1997-07-03 1999-01-07 Stefan Singer Hülsenpuffer für Schienenfahrzeuge

Also Published As

Publication number Publication date
DE50203315D1 (de) 2005-07-14
PL199059B1 (pl) 2008-08-29
ATE297335T1 (de) 2005-06-15
ES2243680T3 (es) 2005-12-01
PL355254A1 (en) 2003-02-24
EP1283142A1 (de) 2003-02-12

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