EP0751257A2 - Verbesserte Schwellenschuh für Blockschwellen - Google Patents

Verbesserte Schwellenschuh für Blockschwellen Download PDF

Info

Publication number
EP0751257A2
EP0751257A2 EP96500063A EP96500063A EP0751257A2 EP 0751257 A2 EP0751257 A2 EP 0751257A2 EP 96500063 A EP96500063 A EP 96500063A EP 96500063 A EP96500063 A EP 96500063A EP 0751257 A2 EP0751257 A2 EP 0751257A2
Authority
EP
European Patent Office
Prior art keywords
block
pan
ridges
railway line
double
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
EP96500063A
Other languages
English (en)
French (fr)
Other versions
EP0751257A3 (de
EP0751257B1 (de
Inventor
Juan Ventosa Dunjo
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.)
TRANSFORMADOS DEL NORTE SA
Original Assignee
TRANSFORMADOS DEL NORTE SA
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 TRANSFORMADOS DEL NORTE SA filed Critical TRANSFORMADOS DEL NORTE SA
Publication of EP0751257A2 publication Critical patent/EP0751257A2/de
Publication of EP0751257A3 publication Critical patent/EP0751257A3/de
Application granted granted Critical
Publication of EP0751257B1 publication Critical patent/EP0751257B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • E01B1/005—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with sleeper shoes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete

Definitions

  • the present Patent application relates to an improved pan for railway line double-block sleepers which, in addition to the function for which it was designed, affords a number of advantages discussed hereinafter, and others that are inherent in its organisation and construction.
  • STEDEF type lines without ballast is known since the year 1963, based upon the principle of mounting a sleeper comprising two concrete blocks with a modified base in which a rubber pan is housed including symmetrical ridges on its sides, and having a foam mattress on the bottom end to prevent transmission of vibrations.
  • This double-block sleeper is provided with a steel spacing bar which is primarily designed to maintain the gage upon mounting, and further to absorb the lateral stresses originating in the wheel-rail interaction.
  • the proposer of the present patent application has devised improvements for rubber pans of the kind located at the modified base of a double-block sleeper, with which a wholly different performance is achieved with regard to the turning torque resulting from the lateral stresses referred to in the above section, whereby the spacing bar can be removed without risking derailment.
  • the improvements lie in configuring an asymmetrical pan with its side walls having a variable rigidity that lies in a greater rubber mass at areas that are placed under a greater compression due to the lateral stresses under a passing train.
  • the asymmetrical pan subject of the present invention has varying rigidities on its sides, directly in proportion to the stresses applied by the concrete block due to the wheel-rail interaction.
  • the improved pan in accordance with the present Patent application, provides the advantages described above as well as others that will follow easily from the embodiment described hereinafter in detail for an easy understanding of the features set out above, concurrently giving a number of details and attaching to the present specification, to such end, some drawings showing a practical example of the object of the present invention that is meant to illustrate and not to limit its scope.
  • Figures 1 and 2 are embodiments of the current state of the art, and respectively illustrate the performance of a double-block sleeper with a spacing bar and the performance of the block of a sleeper of the same kind, albeit without a spacing bar, when a train is running thereon.
  • Figure 3 is a longitudinal section of an asymmetrical pan in accordance with the object of the invention.
  • Figures 4 and 5 show two cross sections along A-A and B-B, in accordance with the preceding figure.
  • FIGS. 6 and 7 are sections equivalent to the above of an asymmetrical pan in accordance with the invention, made in accordance with an alternative embodiment, which figures respectively illustrate the outer front and inner front of the pan.
  • the pan subject of the invention is of the kind comprising a rubber part, generally designated -1-, as shown in figures 1 and 2, provided with symmetrical ridges -2- and having a foam mattress -3- located on the lower inner base, which pan is designed to be housed in the modified base of a sleeper comprising two concrete blocks -4- connected by means of a steel spacing bar -5- and which is designed to avoid the transmission of vibrations.
  • the spacing bar -5- is designed to maintain the gage upon mounting and absorb the lateral stresses F 3 resulting from the wheel-rail interaction, to avoid gage widenings of the rails and prevent derailments. If the spacing bar -5- is removed, for the reasons aforesaid, and the sleeper is made as illustrated in figure 2, the force F 2 , when acting upon the running rail, generates a turning torque that is transferred to the block -4-, compressing the rubber ridges -2a- and decompressing the ridges -2b- which, because of their very elastic nature, yield generating very dangerous gage widenings.
  • the invention lies particularly in improvements made in rubber pans of this kind, and is based upon varying the rigidities of the rubber side walls asymmetrically, as shown in figures 3 to 7, which illustrate the object of the invention.
  • the pan subject of the invention is designated -6- to distinguish it from the conventional pan -1- aforesaid.
  • This pan -6- is provided with an asymmetry on the structure of its sides.
  • the ridges designated -7- have less interspaces -8- and there is therefore a far greater resistance to expansion of the rubber due to compression, thereby lowering the chances of the block -4- pitching.
  • the ridges designated -7a- however, have a larger number of interspaces -8a-, for they are subjected to a discharge of lateral compression.
  • Figures 6 and 7 illustrate an alternative embodiment of the pan subject of the invention, in which the asymmetrical variation of the rigidities on the side walls is achieved through other means, such as by forming circular embossments -9- of large diameter at areas placed under a greater compression, and embossments -10- of lesser diameter on the surfaces subjected to a discharge of the side compression.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP96500063A 1995-05-18 1996-05-17 Verbesserter Schwellenschuh für Blockschwellen Expired - Lifetime EP0751257B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9500946 1995-05-18
ES09500946A ES2119633B1 (es) 1995-05-18 1995-05-18 Cazoleta perfeccionada para traviesa bibloque de via ferrea.

Publications (3)

Publication Number Publication Date
EP0751257A2 true EP0751257A2 (de) 1997-01-02
EP0751257A3 EP0751257A3 (de) 1997-03-26
EP0751257B1 EP0751257B1 (de) 2001-08-29

Family

ID=8290385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96500063A Expired - Lifetime EP0751257B1 (de) 1995-05-18 1996-05-17 Verbesserter Schwellenschuh für Blockschwellen

Country Status (4)

Country Link
EP (1) EP0751257B1 (de)
AT (1) ATE204938T1 (de)
DE (1) DE69614781D1 (de)
ES (1) ES2119633B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016976A1 (de) * 1997-09-26 1999-04-08 Phoenix Aktiengesellschaft Schienenanordnung
DE202012006937U1 (de) * 2012-07-18 2013-10-21 Imes-Icore Gmbh Linearvorschubeinheit
CN112626931A (zh) * 2020-12-22 2021-04-09 中国铁路设计集团有限公司 一种点铺周期垫层减振道床

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106791A (zh) * 2021-04-19 2021-07-13 晟建科技集团有限公司 一种形状调谐钢轨吸振器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2097231A6 (de) * 1970-06-08 1972-03-03 Ferroviaires Soc
EP0557716A1 (de) * 1992-02-28 1993-09-01 HILTI Aktiengesellschaft Einrichtung zum Lagern von Schienen
EP0603927A2 (de) * 1992-12-21 1994-06-29 COOPSETTE S.c.r.l. Gleisoberbau mit Schienentragblöcken auf einer Tragplatte unter Einfügung flexibler Zwischenlagen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59641B2 (ja) * 1975-08-04 1984-01-07 コウワカセイ カブシキガイシヤ ボウシンキドウコウゾウ
FR2648489B1 (fr) * 1989-06-19 1991-09-27 Allevard Ind Sa Systeme de voie ferree sans ballast

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2097231A6 (de) * 1970-06-08 1972-03-03 Ferroviaires Soc
EP0557716A1 (de) * 1992-02-28 1993-09-01 HILTI Aktiengesellschaft Einrichtung zum Lagern von Schienen
EP0603927A2 (de) * 1992-12-21 1994-06-29 COOPSETTE S.c.r.l. Gleisoberbau mit Schienentragblöcken auf einer Tragplatte unter Einfügung flexibler Zwischenlagen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016976A1 (de) * 1997-09-26 1999-04-08 Phoenix Aktiengesellschaft Schienenanordnung
US6283383B1 (en) 1997-09-26 2001-09-04 Phoenix Aktiengesellschaft Rail system
DE202012006937U1 (de) * 2012-07-18 2013-10-21 Imes-Icore Gmbh Linearvorschubeinheit
CN112626931A (zh) * 2020-12-22 2021-04-09 中国铁路设计集团有限公司 一种点铺周期垫层减振道床

Also Published As

Publication number Publication date
ATE204938T1 (de) 2001-09-15
ES2119633A1 (es) 1998-10-01
DE69614781D1 (de) 2001-10-04
EP0751257A3 (de) 1997-03-26
EP0751257B1 (de) 2001-08-29
ES2119633B1 (es) 1999-05-16

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