EP1262389B1 - Gleisbremselement - Google Patents

Gleisbremselement Download PDF

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Publication number
EP1262389B1
EP1262389B1 EP02011860A EP02011860A EP1262389B1 EP 1262389 B1 EP1262389 B1 EP 1262389B1 EP 02011860 A EP02011860 A EP 02011860A EP 02011860 A EP02011860 A EP 02011860A EP 1262389 B1 EP1262389 B1 EP 1262389B1
Authority
EP
European Patent Office
Prior art keywords
rail head
brake
rail
clamping plates
block element
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
EP02011860A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1262389A1 (de
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/de
Application granted granted Critical
Publication of EP1262389B1 publication Critical patent/EP1262389B1/de
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 brake element, in particular in connection with track brake blocks, according to the preamble of patent claim 1.
  • Track brake elements of the type mentioned are approximately from DE 24 53 223 or DE 34 22 230 has become known. They have two a railhead in each side encompassing C-shaped clamping plates. The lower leg of the clamping plates engages under the rail head and is provided with a brake pad. The upper Leg of the clamping plates lies on an inclined surface of a brake pad, the on the top of the rail head rests. At least one clamping 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 brake element is moved by an approaching vehicle on the rail. This shift is preferably done by a buffer, the relatively loose on the Rails up or in which the track brake elements are integrated.
  • the track brake elements are preferably arranged at intervals, so that in a Auffahrvorgang the stiction the individual track brake elements is successively overcome.
  • the static friction at least twice as high as the sliding friction.
  • Rails are known to be subject to wear. This can lead to a removal up to half the height of the rail head before they are replaced.
  • the rail head height is measured with a maximum tolerance of 2 mm.
  • the wear is in a much larger area, it is necessary for provide different rail head heights different brake pads. Only by the correct fit is the required and calculated clamping action of a Track brake element and thus ensures the performance of the braking work. Deviations can also be due to measurement inaccuracies, manufacturing and Mounting tolerances occur.
  • the invention has for its object to provide a track brake element, in which regardless of the rail head height a uniform brake pad can be used can.
  • the brake pad at the top Inclined surfaces an inclination of at least 20 °, preferably of approximately 25 °, and the brake pad and the clamping plates are designed so that the end of the upper Leg of the clamping plates with not worn rail head such a large Distance from the upper edge of the associated inclined surface that an insert at Wear of the rail head up to at least 5 mm height or at one Rail head of smaller height is possible.
  • the C-shaped clamping plates are usually standardized, i. H. they have uniform Dimensions. If it comes to a wear of the rail head, wanders Upper thighs automatically along the upper sloping surface, but at her conventional brake pads was not possible. Have conventional brake pads a relatively low inclination of about 10 to 15 °. This inclination became necessary considered sufficient with the help of the associated leg of the clamping plate To achieve wedge effect. In known food pieces is also a Stop edge provided by a step-like elevation of the brake pad is formed and which serves to indicate a wear. Already at relative low wear then it comes to an application of the end of the leg of the Clamping plate at the stop edge.
  • the track brake element according to the invention is a significantly larger Inclined, which is up to 25 °. It turned out that also with This tendency still sufficient wedge effect to achieve the required Clamping force is achieved.
  • the greater inclination and the corresponding Distance of the end of the upper clamping leg from the upper end of the Slanted surface also allows for heavy wear of the rail head adapt. It can overcome differences in height of up to 5 mm and more be without a differently sized pad must be used.
  • the brake pad according to the invention can therefore for a large wear area different rails are used and yet guarantees the required seat for a perfect braking performance.
  • the more universal applicability of the brake pad reduces the manufacturing effort and also the Optimiztroph over the prior 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 ensured.
  • Fig. 1 shows in section partially a braking element according to the prior art.
  • Fig. 2 shows a similar section as Fig. 1 with features of the invention.
  • a conventional running rail 10 is shown with a foot 12 and a rail head 14.
  • a brake pad 16 of general rectangular cross section except the top.
  • a step-like elevation 18 and on both sides of the survey 18th an oblique surface, of which the inclined surface 20 can be seen.
  • Such a Brake pad which consists of a suitable friction material, for. As bronze or gray cast iron, is known, for example from DE 24 53 223. The inclination of the inclined surfaces is about 10 °.
  • clamping plates On both sides of the rail head 14 clamping plates are arranged, 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. At the longitudinal ends extend The said parts slightly inward, creating a stop for the brake pad 16 results in the rail direction.
  • clamping plates 22 biased against each other.
  • the clamping screws extend through generously sized 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 14th engages below.
  • FIG. 2 differs from that of FIG. 1 by the formation of a brake pad 40 from.
  • Rail head 14 and clamping plate 22 The same parts as in 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 a slope of 1: 2,145.
  • An upper one Survey 44 comparable to the survey 18 of FIG. 1, is arranged so that at least for a non-worn rail head 14, the end of the upper Leg 26 has a considerable distance from the edge formed in Fig. 2 is indicated by x. The distance x, the upper leg of the Edge of the survey 44 approach when the rail head 14 by wear Lose height.
  • the brake pad 14 can also be used in the case of railheads 14 be used at a lower height, without being another dimension requires.
  • the height compensation results from the relatively large inclination of Angled surfaces 42. These are sufficient, however, a sufficient wedge effect and thus to produce 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 Gleisbremselement Expired - Lifetime EP1262389B1 (de)

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 EP1262389A1 (de) 2002-12-04
EP1262389B1 true EP1262389B1 (de) 2004-08-04

Family

ID=7957587

Family Applications (1)

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

Country Status (7)

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

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
PL3202635T3 (pl) * 2016-02-03 2019-02-28 Voestalpine Railpro Bv Zespół hamulca dla kozła oporowego, kozioł oporowy obejmujący zespół hamulca i sposób

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453223C2 (de) * 1974-11-09 1984-07-12 Erhart Dr. 4500 Osnabrück Wilisch Gleisbremsprellbock
DE2924823A1 (de) * 1979-06-20 1981-01-15 Schneider & Co C Verstaerkungsanordnung fuer fahrschienen im bereich eines gleisbrems- prellbockes
DE8418128U1 (de) 1984-06-15 1985-06-05 Wilisch, Erhart, Dr., 4500 Osnabrück Gleisbremselement
DE3443480C2 (de) * 1984-11-29 1987-04-02 Erhart Dr. 4500 Osnabrück Wilisch Gleisbremsprellbock
DE29504484U1 (de) * 1995-02-28 1995-05-18 A. Rawie GmbH & Co., 49090 Osnabrück Gleisbremselement
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

Also Published As

Publication number Publication date
CA2388404A1 (en) 2002-12-01
DE20109139U1 (de) 2001-08-09
EP1262389A1 (de) 2002-12-04
ES2223998T3 (es) 2005-03-01
US6637554B2 (en) 2003-10-28
US20020185345A1 (en) 2002-12-12
ATE272521T1 (de) 2004-08-15
DK1262389T3 (da) 2004-12-06
DE50200728D1 (de) 2004-09-09

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