EP1262389A1 - Elément de frein de voie - Google Patents

Elément de frein de voie Download PDF

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Publication number
EP1262389A1
EP1262389A1 EP02011860A EP02011860A EP1262389A1 EP 1262389 A1 EP1262389 A1 EP 1262389A1 EP 02011860 A EP02011860 A EP 02011860A EP 02011860 A EP02011860 A EP 02011860A EP 1262389 A1 EP1262389 A1 EP 1262389A1
Authority
EP
European Patent Office
Prior art keywords
rail head
brake
clamping plates
brake pad
track
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
EP02011860A
Other languages
German (de)
English (en)
Other versions
EP1262389B1 (fr
Inventor
Helmut Klose
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.)
A Rawie GmbH and Co
Original Assignee
A Rawie GmbH and Co
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 A Rawie GmbH and Co filed Critical A Rawie GmbH and Co
Publication of EP1262389A1 publication Critical patent/EP1262389A1/fr
Application granted granted Critical
Publication of EP1262389B1 publication Critical patent/EP1262389B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/02—Track brakes or retarding apparatus
    • B61K7/04—Track brakes or retarding apparatus with clamping action

Definitions

  • the invention relates to a track braking element, in particular in connection with track brake bumpers, according to the preamble of claim 1.
  • Track brake elements of the type mentioned are from DE 24 53 223 or DE 34 22 230 became known. They have two a rail head on each side encompassing C-shaped clamping plates. The lower leg of the clamping plates grips under the rail head and is equipped with a brake pad. The upper Leg of the clamping plates lies on an inclined surface of a brake pad that is on the top of the rail head rests. At least one tension screw connects the clamping plates together and presses them against the rail head or the Brake pad so that a braking effect takes place when the braking element is moved on the rail by a vehicle ascending. This shift is preferably carried out by a buffer, which is relatively loose on the Rails stands up or in which the track brake elements are integrated.
  • the track brake elements are preferred arranged at intervals so that the static friction during a collision of the individual track brake elements is overcome one after the other. It is known static friction is at least twice as high as sliding friction.
  • the invention has for its object to provide a track braking element which uses a uniform brake pad regardless of the rail head height can be.
  • the brake pad in the upper inclined surfaces an inclination of at least 20 °, preferably of approximately 25 °, and the brake pad and the clamping plates are designed that the end of the upper leg of the clamping plates when the rail head is not worn a clear distance from the upper edge of the assigned inclined surface having.
  • the C-shaped clamping plates are usually standardized, i. H. they have uniform Dimensions. If the rail head wears out, it migrates the upper leg automatically along the upper sloping surface, which is the case with conventional Brake pads were not possible. Have conventional brake pads a relatively small inclination of about 10 to 15 °. This tendency became necessary deemed to be sufficient with the help of the associated leg of the clamping plate To achieve wedge effect. In the case of known pieces of feed there is also a Stop edge provided by a step-like elevation of the brake pad is formed and which serves to indicate wear. Relatively Little wear then comes to an end of the leg of the Clamping plate on the stop edge.
  • the track braking element according to the invention is a significantly larger one Inclination provided that is up to 25 °. It has been found that with this inclination still a sufficient wedge effect to achieve the required Clamping force is reached.
  • the greater inclination and the corresponding one Distance of the end of the upper clamp leg from the upper end of the Inclined surface also allows severe wear of the rail head adapt. Differences in height of up to 5 mm and more can be overcome without having to use a differently dimensioned brake pad.
  • the brake pad according to the invention can therefore be used for a wide range of wear different rails are used and still ensures the required seat for perfect braking behavior.
  • the more universal applicability the brake pad reduces the manufacturing effort and also the replacement provision compared to the state of the art.
  • Another advantage is that despite tolerances in the manufacture of the parts and the assembly of the parts the required safety of the braking element is guaranteed.
  • Fig. 1 shows a section of a braking element according to the prior art.
  • Fig. 2 shows a similar section as Fig. 1 with features of the invention.
  • a conventional rail 10 is shown with a foot 12 and a rail head 14.
  • a brake pad 16 is generally located on the rail head rectangular cross-section except for the top.
  • a step-like elevation 18 and on both sides of the elevation 18 an inclined surface, of which the inclined surface 20 can be seen.
  • the slope of the inclined surfaces is about 10 °.
  • Clamping plates are arranged on both sides of the rail head 14, of which a C-shaped clamping plate is shown at 22. It consists of a plate-like Web 24 and an upper leg 26 and a lower leg 28. Die Legs 26, 28 are slightly bent outwards. Extend at the longitudinal ends the parts mentioned slightly inwards, causing a stop for the brake pad 16 results in the rail direction.
  • clamping screws which is not shown in Fig. 1 and whose effect is only indicated by the dash-dotted line 30 opposite clamping plates 22 biased against each other.
  • the clamping screws extend through generously dimensioned holes in the clamping plates 22 and through a bore in the brake pad 16 or a corresponding recess thereof.
  • the upper leg 26 of the clamping plates 22 rests on the inclined surface 20, while the lower leg 28 with a brake pad 32 the rail head 14 engages below.
  • FIG. 2 differs from that according to FIG. 1 the formation of a brake pad 40.
  • Rail head 14 and clamping plate 22 same as the parts of Fig. 1. They are therefore provided with the same reference numerals.
  • the brake pad 40 has inclined surfaces 42, which in the case shown an angle a of 25 °. This corresponds to an incline of 1: 2.145.
  • An upper one Elevation 44 comparable to the elevation 18 of FIG. 1, is arranged so that at least in the case of a rail head 14 that has not been removed, the end of the upper one Leg 26 has a considerable distance from the formed edge, which in Fig. 2 is indicated with x.
  • the upper leg can be the distance x Approach edge of bump 44 when rail head 14 is worn due to wear Lose height.
  • the brake pad 14 can therefore also be used in the case of rail heads 14 can be used with a lower height without having a different dimension requires.
  • the height compensation results from the relatively large inclination of the Sloping surfaces 42. However, these are sufficient, a sufficient wedge action and to generate a sufficient braking effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Regulating Braking Force (AREA)
EP02011860A 2001-06-01 2002-05-28 Elément de frein de voie Expired - Lifetime EP1262389B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20109139U 2001-06-01
DE20109139U DE20109139U1 (de) 2001-06-01 2001-06-01 Gleisbremselement

Publications (2)

Publication Number Publication Date
EP1262389A1 true EP1262389A1 (fr) 2002-12-04
EP1262389B1 EP1262389B1 (fr) 2004-08-04

Family

ID=7957587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02011860A Expired - Lifetime EP1262389B1 (fr) 2001-06-01 2002-05-28 Elément de frein de voie

Country Status (7)

Country Link
US (1) US6637554B2 (fr)
EP (1) EP1262389B1 (fr)
AT (1) ATE272521T1 (fr)
CA (1) CA2388404A1 (fr)
DE (2) DE20109139U1 (fr)
DK (1) DK1262389T3 (fr)
ES (1) ES2223998T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2334596B1 (es) * 2005-02-16 2011-03-22 F. Javier Porras Vila Pastillas de freno de tren para la cima de las vias y para sus laterales.
KR101040368B1 (ko) * 2008-12-29 2011-06-10 한국철도기술연구원 철도선로용 완충차막이장치의 클램프
HUE042212T2 (hu) * 2016-02-03 2019-06-28 Voestalpine Railpro Bv Fékszerelvény csúszó ütközõbakhoz, a fékszerelvénnyel ellátott csúszó ütközõbak és eljárás annak elõállítására

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453223A1 (de) * 1974-11-09 1976-05-13 Erhart Dr Wilisch Gleisbremsprellbock fuer hohe auflaufgeschwindigkeiten
DE2924823A1 (de) * 1979-06-20 1981-01-15 Schneider & Co C Verstaerkungsanordnung fuer fahrschienen im bereich eines gleisbrems- prellbockes
DE29504484U1 (de) * 1995-02-28 1995-05-18 A. Rawie GmbH & Co., 49090 Osnabrück Gleisbremselement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8418128U1 (de) 1984-06-15 1985-06-05 Wilisch, Erhart, Dr., 4500 Osnabrück Gleisbremselement
DE3443480A1 (de) * 1984-11-29 1986-06-05 Erhart Dr. 4500 Osnabrück Wilisch Gleisbremsprellbock
DE19507000C1 (de) * 1995-02-28 1996-06-20 Rawie A Gmbh & Co Gleisbremselement
DE19506997C1 (de) * 1995-02-28 1996-06-20 Rawie A Gmbh & Co Gleisbremselement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453223A1 (de) * 1974-11-09 1976-05-13 Erhart Dr Wilisch Gleisbremsprellbock fuer hohe auflaufgeschwindigkeiten
DE2924823A1 (de) * 1979-06-20 1981-01-15 Schneider & Co C Verstaerkungsanordnung fuer fahrschienen im bereich eines gleisbrems- prellbockes
DE29504484U1 (de) * 1995-02-28 1995-05-18 A. Rawie GmbH & Co., 49090 Osnabrück Gleisbremselement

Also Published As

Publication number Publication date
US6637554B2 (en) 2003-10-28
DE20109139U1 (de) 2001-08-09
ATE272521T1 (de) 2004-08-15
DE50200728D1 (de) 2004-09-09
CA2388404A1 (fr) 2002-12-01
US20020185345A1 (en) 2002-12-12
ES2223998T3 (es) 2005-03-01
DK1262389T3 (da) 2004-12-06
EP1262389B1 (fr) 2004-08-04

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