EP1531200A1 - Eisenbahnschwelle - Google Patents

Eisenbahnschwelle Download PDF

Info

Publication number
EP1531200A1
EP1531200A1 EP03425734A EP03425734A EP1531200A1 EP 1531200 A1 EP1531200 A1 EP 1531200A1 EP 03425734 A EP03425734 A EP 03425734A EP 03425734 A EP03425734 A EP 03425734A EP 1531200 A1 EP1531200 A1 EP 1531200A1
Authority
EP
European Patent Office
Prior art keywords
lower base
sleeper
railway sleeper
railway
compensating 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.)
Granted
Application number
EP03425734A
Other languages
English (en)
French (fr)
Other versions
EP1531200B1 (de
Inventor
Claudio Pellegrini
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.)
Imel Srl
Original Assignee
Imel Srl
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 Imel Srl filed Critical Imel Srl
Priority to EP03425734A priority Critical patent/EP1531200B1/de
Priority to AT03425734T priority patent/ATE315129T1/de
Priority to DE60303114T priority patent/DE60303114D1/de
Publication of EP1531200A1 publication Critical patent/EP1531200A1/de
Application granted granted Critical
Publication of EP1531200B1 publication Critical patent/EP1531200B1/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
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/16—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from steel
    • E01B3/20—Sleeper construction for special purposes, e.g. with openings for ballast working

Definitions

  • the present invention relates to a railway sleeper having an upper surface whereto can be fastened a railway track, and a lower base able to be set down onto the ballast of a railway line.
  • the railway ballast is constituted by broken stones piled on top of one another.
  • the settling and collapses mostly involve the sides of the ballast where it degrades, becoming thinner until it joins the underlying ground.
  • the technical task constituting the basis for the present invention is to provide a railway sleeper that overcomes the aforementioned drawbacks.
  • the technical task of the present invention is to provide a railway sleeper which allows a rapid restoration of the line in case of collapses and/or settling of the ballast.
  • the reference number 1 globally designates a railway sleeper according to the present invention.
  • the railway sleeper comprises a main structure 2 having a main direction of development (perpendicular to the track in use), and in which can be identified, in traditional fashion, an upper surface 3 able to be associated to a railway track by means of appropriate coupling means, not shown herein, and a lower base 4 able to be set down onto a railway ballast.
  • the illustrated examples illustrate a hollow metallic sleeper 1, but the present invention can advantageously be applied also to non metallic sleepers 1, as well as to non hollow sleepers 1.
  • the sleeper 1 further comprises at least a compensating element 5 associated to the main structure 2 in correspondence with the lower base 4.
  • Said compensating element 5 defines with the lower base 4 the lower bearing surface 6 of the sleeper 1 able to be associated to the railway ballast.
  • the compensating element 5 is movable, relative to the lower base 4, at least between two operative position, to each of which corresponds a different conformation of the lower bearing surface 6. This characteristic assures the capability of compensating for collapses and settling of the ballast, as described below.
  • the compensating element 5 is movable between a plurality of operative positions, each corresponding to a different level of compensation.
  • the compensating element 5 is movable with continuity between a first operative position of minimum compensation (Figure 1) and a second operative position of maximum compensation ( Figure 6), through a plurality of intermediate positions.
  • the compensating element 5 When it is in the first operative position, the compensating element 5 is proximate to the lower base 4 and the sleeper 1 can be associated to intact ballast, similarly to a traditional sleeper 1 ( Figure 1).
  • the compensating element 5 projects inferiorly relative to the lower base 4, as shown in Figure 6.
  • the compensating element 5 comprises at least a planar plate 7 applied under the lower base 4, which extends at least on part of the lower surface of the lower base 4 itself.
  • planar plate 7 is pivotally engaged to the lower base 4 and can rotate between the different operative positions.
  • the accompanying figures illustrate railway sleepers 1 provided with two compensating elements 5, each comprising a planar plate 7 associated to the lower base 4 of the main structure 2 in correspondence with an end thereof.
  • Each planar plate 7 develops, along the main direction of development, from its own first end 8, positioned in correspondence with an end 9 of the lower base 4, to its own second end 10, pivotally engaged to an inner portion of the lower base 4, and covers the entire width of the sleeper 1 ( Figure 4).
  • the fulcrum of the planar plate 7 to the lower base 4 is obtained by means of a central bushing 11 fastened to the planar plate 7, two lateral bushings 12 fastened to the lower base 4, and a through pivot 13 inserted in the bushings 11, 12 and held in position by means of two anti-sliding elements 14 (washers, split pins, or other elements).
  • the compensating element 5 comprises only the planar plant 7, in the embodiment of Figures 1 through 3 and 6, the compensating element 5 further comprises a lateral wall 15 extending upwards from the planar plate 7 and encompassing, at least in part, the lateral part 16 of the main structure 2.
  • said lateral wall 15 encompasses, at least in part, the lateral part of the main structure 2 in any operative position assumed by the compensating element 5, in order to prevent the accidental insertion of one or more broken stones of the ballast between the planar plate 7 and the lower base 4 of the main structure 2.
  • the railway sleeper 1 further comprises means 17 for actuating the compensating element 5 whose purpose is to actuate the compensating element 5 at least from an operative position to another operative position.
  • the actuating means 17 can cause the planar plate 7 to move away from the lower base 4, and can prevent it from re-approaching it.
  • the actuating means 17 comprise a screw 18, screwed onto the main structure 2, and having a first upper end 19 which can be operated by an operator, and a second lower end 20 operatively associated to the compensating element 5.
  • Said lower end 20 acts in abutment against the planar plate 7.
  • the screw 18 is mounted in a through hole 21, at least partly threaded, obtained in the main structure 2.
  • Figures 7 and 8 show two variations of the through hole 21, distinguishable by the different conformation of the threaded parts 22.
  • the actuating means 17 comprise at least a locking element 22 to enable and inhibit their operation selectively.
  • the locking element 23 is constituted by a nut screwed onto the screw 18 in proximity to the first upper end 19.
  • planar plate 7 can be connected to the lower base 4 in such a way as to be able to rotate freely relative thereto, or in such a way that it can be rotated only winning the resistance opposed by the friction between the bushings, manually or using the actuating means 17.
  • the compensating element 5 can assume different shapes, provided they are suitable to assure its operation.
  • it can be constituted by a planar plate 7 able to be translated vertically relative to the lower base 4, and placed in any position relative to the lower base 4 itself.
  • the sleeper 1 At the time of its mounting on a well levelled ballast, the sleeper 1 is in the form shown in Figure 1, with the compensating element 5 adjacent to the lower base 4.
  • the ballast collapses or settles, and gaps are created underneath the compensating element 5, if the planar plate 7 can rotate freely, it moves downwards following the collapse of the ballast.
  • planar plate 7 cannot rotate freely, and remains in the position of Figure 1, the worker has to act on the actuating means 17 both to move the planar plate 7 downwards and to prop the sleeper 1.
  • the present invention thus achieves important advantages.
  • the compensating element 5 allows to maintain a solid bearing of the sleeper on the ballast even when gaps are created.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Railway Tracks (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Heads (AREA)
EP03425734A 2003-11-14 2003-11-14 Eisenbahnschwelle Expired - Lifetime EP1531200B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP03425734A EP1531200B1 (de) 2003-11-14 2003-11-14 Eisenbahnschwelle
AT03425734T ATE315129T1 (de) 2003-11-14 2003-11-14 Eisenbahnschwelle
DE60303114T DE60303114D1 (de) 2003-11-14 2003-11-14 Eisenbahnschwelle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03425734A EP1531200B1 (de) 2003-11-14 2003-11-14 Eisenbahnschwelle

Publications (2)

Publication Number Publication Date
EP1531200A1 true EP1531200A1 (de) 2005-05-18
EP1531200B1 EP1531200B1 (de) 2006-01-04

Family

ID=34429644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03425734A Expired - Lifetime EP1531200B1 (de) 2003-11-14 2003-11-14 Eisenbahnschwelle

Country Status (3)

Country Link
EP (1) EP1531200B1 (de)
AT (1) ATE315129T1 (de)
DE (1) DE60303114D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015175124A (ja) * 2014-03-13 2015-10-05 大成建設株式会社 シールドトンネル用の枕木およびシールドトンネル用の枕木の盛り替え方法。

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2701074C1 (ru) * 2019-02-07 2019-09-24 Геннадий Геннадьевич Лосев Способ изготовления шпалы, шпала для его осуществления

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1016806A (en) * 1911-05-09 1912-02-06 Victor B Wheaton Railroad-tie.
US1148051A (en) * 1914-08-25 1915-07-27 William Alonzo Rhinesmith Railway-tie.
US1357180A (en) * 1919-04-14 1920-10-26 Nelson William Adjustable steel tie
GB363782A (en) * 1930-11-11 1931-12-31 Paul Tracy An improved means of adjusting the level of railway track

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1016806A (en) * 1911-05-09 1912-02-06 Victor B Wheaton Railroad-tie.
US1148051A (en) * 1914-08-25 1915-07-27 William Alonzo Rhinesmith Railway-tie.
US1357180A (en) * 1919-04-14 1920-10-26 Nelson William Adjustable steel tie
GB363782A (en) * 1930-11-11 1931-12-31 Paul Tracy An improved means of adjusting the level of railway track

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015175124A (ja) * 2014-03-13 2015-10-05 大成建設株式会社 シールドトンネル用の枕木およびシールドトンネル用の枕木の盛り替え方法。

Also Published As

Publication number Publication date
EP1531200B1 (de) 2006-01-04
ATE315129T1 (de) 2006-02-15
DE60303114D1 (de) 2006-03-30

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