EP0356852A2 - Rail anti-bruit - Google Patents

Rail anti-bruit Download PDF

Info

Publication number
EP0356852A2
EP0356852A2 EP89115342A EP89115342A EP0356852A2 EP 0356852 A2 EP0356852 A2 EP 0356852A2 EP 89115342 A EP89115342 A EP 89115342A EP 89115342 A EP89115342 A EP 89115342A EP 0356852 A2 EP0356852 A2 EP 0356852A2
Authority
EP
European Patent Office
Prior art keywords
rail
noise
filled
bearing metal
recess
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
EP89115342A
Other languages
German (de)
English (en)
Other versions
EP0356852A3 (en
EP0356852B1 (fr
Inventor
Gerhard Arndt
Hans Dr. Guntermann
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.)
Goldschmidt ETB GmbH
Original Assignee
Elektro Thermit GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6361855&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0356852(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Elektro Thermit GmbH filed Critical Elektro Thermit GmbH
Priority to AT89115342T priority Critical patent/ATE104006T1/de
Publication of EP0356852A2 publication Critical patent/EP0356852A2/fr
Publication of EP0356852A3 publication Critical patent/EP0356852A3/de
Application granted granted Critical
Publication of EP0356852B1 publication Critical patent/EP0356852B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003—Means for reducing the development or propagation of noise
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • E01B5/08—Composite rails; Compound rails with dismountable or non-dismountable parts
    • E01B5/10—Composite grooved rails; Inserts for grooved rails

Definitions

  • the invention relates to a noise-reducing rail, in particular a grooved rail for curves of tram tracks, which has a recess in the middle of the running surface of the rail head which runs in the longitudinal direction of the rail and is filled with a non-ferrous metal to match the profile, and which is made of steel in the remaining cross section.
  • a noise-reducing rail which has supports made of non-ferrous metal in the area of the running and guide surfaces and is made of steel in the remaining cross section, is known, the non-ferrous metal consisting of a single-phase or multi-phase bronze with at least 50% copper content and one or more alloying elements, preferably aluminum, iron, manganese or or and nickel.
  • the non-ferrous metal is preferably a multi-phase aluminum bronze with 8% aluminum, 2% iron, 12% manganese and 2% nickel in addition to copper as the residual content.
  • the bronzes used according to this patent have high strength and wear properties.
  • the bronze is preferably bonded to the remaining steel rail material by welding.
  • the welding of the bronze can be used for both new and worn rails, both in manufacturing plants and in the installed track. After welding, the rails are ground in the welded area to match the profile.
  • this proposed solution cannot fully satisfy either.
  • a rail which is interrupted by slots, incisions or the like in order to avoid the formation of noise.
  • a grooved rail is used as the rail, in which the running rail and the positive rail either extend consists of one piece or in which the running rail and the positive rail are detachably connected to one another.
  • the slots or incisions run transversely to the longitudinal direction of the rail alternately in the upper edge and the lower edge of the positive rail.
  • These slots or incisions can be filled with wear-resistant or lubricating material, such as lead or white metal (bearing metal).
  • the invention has for its object to provide a noise reducing rail that retains the property of noise reduction over a long period of time and the strength properties are not reduced.
  • the invention thus relates to a noise-reducing rail, in particular a grooved rail for curves of tram tracks, which has a recess in the middle of the running surface of the rail head which runs in the longitudinal direction of the rail and which is filled with a non-ferrous metal to match the profile, and which is made of steel in the remaining cross-section and which is thereby is characterized in that the recess is filled with a bearing metal.
  • the lead-rich and tin-rich alloys are particularly suitable as bearing metals.
  • Examples of such alloys are: Table 1 Leaded alloys Chemical elements Chemical composition in% (mass fractions) PbSb15SnAs PbSb15Sn10 PbSb14Sn9CuAs PbSb10Sn6 Pb 80.0 to 84.0 71.0 to 77.0 70.0 to 78.0 80.0 to 86.0 Sb 13.5 to 15.5 14.0 to 16.0 13.0 to 15.0 9.0 to 11.0 Sn 0.9 to 1.7 9.0 to 11.0 8.0 to 10.0 5.0 to 7.0 Cu 0.7 0.7 0.7 to 1.5 0.7 As 0.8 to 1.2 0.6 0.3 to 1.0 0.25 CD 0.02 0.05 0.3 to 0.7 0.05 Ni - - 0.2 to 0.6 - Bi 0.1 0.1 0.1 0.1 Fe - 0.1 0.1 0.1 Al 0.005 0.005 0.005 0.005 Zn 0.005 0.005 0.005 0.005 0.005 0.005 0.005
  • new rails are preferably provided with a groove by milling or grinding at the place of manufacture or laid rails, said grooves being arranged centrally in the rail head and in the longitudinal direction of the rails.
  • This longitudinal groove preferably has an average width of 8 to 18 mm and a depth of 3 to 10 mm.
  • the longitudinal groove particularly preferably has an average width of 10 to 15 mm and a depth of 3 to 6 mm.
  • the boundary surfaces of the groove are appropriately tinned. This can be done in a manner known per se with a tin powder paste containing ammonium chloride / alkali metal chlorides into the groove and exposure of the groove to the flame of a burner. A certain excess of the bearing metal is melted into the tinned groove prepared in this way. After cooling, the excess of the bearing metal projecting over the profile of the rail head is removed in a manner known per se. This can be done by hand or using rail head grinding machines.
  • the present invention thus overcomes the prejudice to be found in DE-PS 19 03 177 that the material filling the groove must have special strength properties. If the dimensions of the groove are adhered to, it is ensured that the strength of the rail required for ensuring safety is maintained in the area of the wheel support, but on the other hand the bearing metal arranged in the groove prevents the creation of squeaking noises.
  • Such a teaching could also not be found in DE-PS 583 928, since here bearing metals are introduced into slots or incisions which run transversely to the longitudinal direction of the rail, which reduce the breaking strength of the rail, and these slots or incisions preferably in the upper and lower edge of the insert rail are arranged.
EP89115342A 1988-08-30 1989-08-19 Rail anti-bruit Expired - Lifetime EP0356852B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89115342T ATE104006T1 (de) 1988-08-30 1989-08-19 Geraeuschmindernde schiene.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3829340A DE3829340C1 (fr) 1988-08-30 1988-08-30
DE3829340 1988-08-30

Publications (3)

Publication Number Publication Date
EP0356852A2 true EP0356852A2 (fr) 1990-03-07
EP0356852A3 EP0356852A3 (en) 1990-07-04
EP0356852B1 EP0356852B1 (fr) 1994-04-06

Family

ID=6361855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115342A Expired - Lifetime EP0356852B1 (fr) 1988-08-30 1989-08-19 Rail anti-bruit

Country Status (3)

Country Link
EP (1) EP0356852B1 (fr)
AT (1) ATE104006T1 (fr)
DE (2) DE3829340C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1736600A1 (fr) * 2005-06-21 2006-12-27 Kölner Verkehrsbetriebe AG Procédé de fabrication d'un rail silencieux et rail anti-bruit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241607C1 (de) * 1992-12-10 1994-02-10 Elektro Thermit Gmbh Schiene mit einer in Schienenlängsrichtung mittig im Schienenkopf verlaufenden Ausnehmung, welche mit schienenfremdem Material ausgefüllt ist

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE583928C (de) * 1931-08-06 1933-09-12 Ver Stahlwerke Akt Ges Eisenbahnkruemmungsschiene
DE1903177A1 (de) * 1968-04-03 1969-10-23 Elektro Thermit Gmbh Geraeuschmindernde Schienen
FR2121092A5 (fr) * 1970-12-29 1972-08-18 Krupp Ag Huettenwerke
FR2333893A1 (fr) * 1975-12-05 1977-07-01 Elektro Thermit Gmbh Rail silencieux pour vehicules roulants notamment tramways

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1112870A (en) * 1965-11-05 1968-05-08 Acmeflooring Ltd Improvements in and relating to railway tracks and to rails used in these tracks

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE583928C (de) * 1931-08-06 1933-09-12 Ver Stahlwerke Akt Ges Eisenbahnkruemmungsschiene
DE1903177A1 (de) * 1968-04-03 1969-10-23 Elektro Thermit Gmbh Geraeuschmindernde Schienen
FR2121092A5 (fr) * 1970-12-29 1972-08-18 Krupp Ag Huettenwerke
FR2333893A1 (fr) * 1975-12-05 1977-07-01 Elektro Thermit Gmbh Rail silencieux pour vehicules roulants notamment tramways

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1736600A1 (fr) * 2005-06-21 2006-12-27 Kölner Verkehrsbetriebe AG Procédé de fabrication d'un rail silencieux et rail anti-bruit

Also Published As

Publication number Publication date
EP0356852A3 (en) 1990-07-04
DE3829340C1 (fr) 1989-10-12
EP0356852B1 (fr) 1994-04-06
ATE104006T1 (de) 1994-04-15
DE58907387D1 (de) 1994-05-11

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