EP3816348A1 - Traverse - Google Patents

Traverse Download PDF

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Publication number
EP3816348A1
EP3816348A1 EP20202692.8A EP20202692A EP3816348A1 EP 3816348 A1 EP3816348 A1 EP 3816348A1 EP 20202692 A EP20202692 A EP 20202692A EP 3816348 A1 EP3816348 A1 EP 3816348A1
Authority
EP
European Patent Office
Prior art keywords
channel
sleeper
length
fixing zone
cables
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
EP20202692.8A
Other languages
German (de)
English (en)
Other versions
EP3816348B1 (fr
Inventor
Tullio MARCHETTI
Elia MANZOTTI
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.)
Wegh Group SpA
Original Assignee
Wegh Group SpA
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 Wegh Group SpA filed Critical Wegh Group SpA
Publication of EP3816348A1 publication Critical patent/EP3816348A1/fr
Application granted granted Critical
Publication of EP3816348B1 publication Critical patent/EP3816348B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone

Definitions

  • the present invention relates to a railway sleeper and a railway system comprising the sleeper.
  • the transit of train sets along a railway line is assisted by automatic control systems. These, for example, make it possible to understand when a train set passes at a predetermined point on the line.
  • a third and a fourth length are located along the railway line consecutively to the first and second length respectively.
  • a first insulating joint is located between the first and the third length.
  • a second insulating joint is located between the second and the fourth length.
  • first sleeper which allows to support the first, second, third, fourth length at the first and second insulating joints.
  • This first sleeper is provided with vertical holes which allow the installation of a first pair of side plates for fixing the first length, a second pair of plates for fixing the second length, a third pair of plates for fixing the third length, a fourth pair of plates for fixing the fourth length.
  • the first and second insulating joints are located above said first sleeper. In this manner, the connection is rigid and robust.
  • the second sleeper comprises four conduits completely embedded inside the concrete sleeper.
  • the conduits have an inlet located at one side end of the sleeper and open between the tracks so as to allow the passage of electrical cables intended to electrically connect to the first and second length.
  • the technical task underlying the present invention is to propose a railway sleeper which speeds up the installation of the line and reduces costs by reducing the number of types of sleepers required.
  • a further object of the present invention is to facilitate the installation, inspection and maintenance of the signalling components.
  • reference number 1 indicates a railway sleeper.
  • This sleeper 1 has a predominant longitudinal extension (this occurs along the direction 9).
  • the sleeper 1 comprises a first and a second fixing zone 21, 22 of corresponding lengths of rail.
  • the lengths of rail are elements which are not part of the sleeper 1.
  • the sleeper 1 is substantially made of concrete.
  • the sleeper 1 comprises at least one main concrete body (to which minor elements may be associated, such as, for example, the bridges 5 defined below).
  • the first fixing zone 21 comprises a first and a second hole 211, 212 obtained in the sleeper 1.
  • each of said first and second holes 211, 212 may be associated with a corresponding connecting element with a length of rail.
  • the connecting elements are not part of the sleeper 1 and are engageable respectively in the first and second holes 211, 212 of the first fixing zone 21. The use of two connecting elements allows the length to be clamped from both sides (opposite each other).
  • the second fixing zone 22 comprises a third and a fourth hole 221, 222. Also in this case it is possible to insert connecting elements in the third and fourth holes 221, 222 of the second fixing zone 22 to constrain a length to the sleeper 1.
  • the sleeper 1 comprises a first channel 31 which extends along the longitudinal extension of the sleeper 1 itself.
  • the first channel 31 is suitable for the passage of cables.
  • the railway sleeper 1 therefore performs both the function of cable passage and rail support (in a joint area of two consecutive lengths).
  • the first channel 31 is intermediate between two edges extending along the predominant extension of the sleeper 1 (in particular the first channel 31 extends at half the width of the sleeper 1).
  • the first channel 31 has a section orthogonal to the extension thereof, substantially U-shaped.
  • the first channel 31 therefore defines a groove which projects in height inside the thickness of the sleeper 1.
  • the first channel 31 divides at least the first fixing zone 21 from the second fixing zone 22.
  • first and second fixing zone 21, 22 are located in two different half-spaces with respect to an imaginary vertical plane 90 parallel to the direction 9 of predominant extension of the sleeper 1 and passing through the first channel 31 in a zone interposed between the first and second fixing zones 21, 22.
  • the sleeper 1 comprises a third and a fourth fixing zone 23, 24 of corresponding lengths of rail.
  • the first and third fixing zones 21, 23 are located in succession along the predominant longitudinal extension of the sleeper 1 (orthogonal to a direction of advancement of a railway train set along the sleeper 1).
  • a middle zone of the sleeper 1 is interposed between the first and third fixing zone 21, 23.
  • the first and third fixing zone 21, 23 are located at two opposite zones of the sleeper 1.
  • the second and the fourth fixing zone 22, 24 are located in succession along the predominant longitudinal extension of the sleeper 1.
  • said middle zone is intermediate between the second and fourth fixing zone 22, 24.
  • the second and fourth zone 22, 24 are located at two opposite zones of the sleeper 1.
  • the first and second fixing zone 21, 22 define in combination a first laying seat of a rail of the track and of the connecting elements to the sleeper 1.
  • the third and fourth fixing zone 23, 24 define in combination a second laying seat for another rail (and corresponding connecting elements to the sleeper 1) of the same track.
  • the first channel 31 divides the third fixing zone 23 from the fourth fixing zone 24.
  • the third and fourth fixing zone 23, 24 are located in two different half-planes with respect to an imaginary vertical plane 90 parallel to the direction 9 of predominant extension of the sleeper 1 and passing through the first channel 31 in a zone interposed between the third and fourth fixing zone 23, 24.
  • the first channel 31 is straight. Alternatively, it could extend along the predominant direction 9 of the sleeper 1, for example by defining a snaking or arcuate path.
  • the first channel 31 has a slight slope from the longitudinal ends of the sleeper 1 towards an intermediate zone. This facilitates the collection and the run-off of rainwater, avoiding stagnation.
  • the first channel 31 extends along the longitudinal extension, connecting two opposite longitudinal ends 41, 42 of the sleeper 1.
  • the first channel 31 is intended to pass below both seats of the sleeper 1 intended for supporting the tracks.
  • the sleeper 1 comprises a second channel 32 which extends transversally to the first channel 31.
  • the second channel 32 extends orthogonally to the first channel 31.
  • the second channel 32 is advantageously straight.
  • the second channel 32 crosses from side to side the width of the sleeper 1.
  • the width of the sleeper 1 is measured orthogonally to the direction 9 of predominant longitudinal extension.
  • the width of the sleeper 1 is therefore measured along the direction of extension of the track/railway line located on the sleeper 1.
  • the second channel 32 intercepts the first channel 31.
  • the first channel 31 intercepts the second channel 32 in an intermediate zone (preferably halfway) of the length of the second channel 32.
  • the second channel 32 extends in two opposite directions with respect to the first channel 31.
  • the second channel 32 has a transverse section at the predominant extension thereof which is substantially U-shaped.
  • the sleeper 1 also comprises a third channel 33 which extends transversally (preferably orthogonally) to the first channel 31.
  • the third channel 33 is parallel to the second channel 32.
  • the third channel 33 crosses from side to side the width of the sleeper 1.
  • the third channel 33 has a section orthogonal to the direction 9 of predominant extension which is substantially U-shaped.
  • walls of the first and second channel 31, 32 are radiused at the intersection between the first and second channel 31, 32.
  • walls of the first and third channel 31, 33 are radiused at the intersection between the first and third channel 31, 33.
  • the second channel 32 is nearer to the first and the second fixing zone 21, 22 than the third channel 33.
  • the third channel 33 intercepts the first channel 31.
  • the first channel 31 intercepts the third channel 33 in an intermediate zone (preferably halfway) of the length of the third channel 33.
  • the third channel 33 extends in two opposite directions with respect to the first channel 31.
  • the sleeper 1 may comprise a plurality of bridges 5 positioned straddling the first and/or second and/or third channel 31, 32, 33.
  • Such bridges 5 minimise the risk of accidental extraction of cables from the first and/or second and/or third channel 31, 32, 33.
  • These cables are electrical cables.
  • electrical cables are intended as power cables. In a particular solution, however, cables for transmitting an electrical signal could also be considered.
  • Such bridges 5 overlap the first and/or second and/or third channel 31, 32, 33 by connecting two opposite sides (between which the first and/or second and/or third channel 31, 32, 33 are located).
  • Such bridges 5 are for example plastic or metal clamps. The ends of these bridges 5 are embedded in the sleeper 1.
  • the bridges 5 are preferably connected to the sleeper 1 by bushings or another fixing system. They can also be removed to allow the installation and maintenance of the cables.
  • first, second and third channel 31, 32, 33 extend seamlessly.
  • first and/or second and/or third channel 31, 32, 33 have an opening facing upwards.
  • first and/or second and/or third channel 31, 32, 33 extend without coverage for at least 90% of the extension thereof.
  • a system 10 comprising a sleeper 1 having one or more of the features described hereinabove.
  • the system 10 comprises a first rail 11.
  • the first rail 11 comprises a first and a second length 111, 112 consecutive to one another along a predominant direction of extension of the first rail 11.
  • the system 10 comprises first connecting means 15 of the first length 111 to the sleeper 1.
  • the first connecting means 15 is constrained to the sleeper 1 in said first fixing zone 21.
  • the first connecting means 15 suitably comprises an anchor which allows it to be inserted into the first hole 211 located in the first fixing zone 21.
  • the first length 111 is connected in the first fixing zone 21.
  • the first connecting means 15 comprises a support comprising a base portion which rests on the first fixing zone 21, a portion which extends between the top and bottom (substantially vertically) and two eyelets. A flap of the first length 111 remains interposed between the base portion and the eyelets and is therefore stably constrained.
  • the first connecting means 15 comprises a pair of supports each comprising: a base portion resting on the first fixing zone 21, a portion extending between the top and bottom (substantially vertically) and two eyelets. Of the two pair supports, one connects to the first hole 211 of the first fixing zone 21 and one connects to the second hole 212 of the first fixing zone 21.
  • the system 10 suitably comprises second connecting means 16 of the second length 112 to the sleeper 1.
  • the second connecting means 16 is constrained to the sleeper 1 in the second fixing zone 22.
  • the second connecting means 16 comprises an anchor projecting into the third hole 221 in the second fixing zone 22.
  • the second length 112 is thus connected to the sleeper 1 in said second fixing zone 22.
  • first connecting means 15 of the first length 111 with the first fixing zone 21 can be repeated for the second connecting means 16 of the second length 112 with the second fixing zone 22.
  • the system 10 comprises a first electrically insulating joint 13 interposed between the first and second length 111, 112.
  • the first electrically insulating joint 13 has a section corresponding to that of the section of the first and second length 111, 112.
  • said first joint 13 is located above the sleeper 1.
  • the first joint 13 is located above the first channel 31.
  • the first joint 13 is suitably glued between the first and the second length 111, 112.
  • the system 10 comprises a second rail 12 comprising a third and a fourth length 121, 122 consecutive to one another.
  • the system 10 comprises third connecting means 18 of the third length 121 to the sleeper 1.
  • the third connecting means 18 is constrained to the sleeper 1 in said third fixing zone 23.
  • the third connecting means 18 suitably comprises a third anchor which allows it to be inserted in a hole located in the third fixing zone 23.
  • the third length 121 is thus connected to the sleeper 1 in said third fixing zone 23.
  • the system 10 comprises fourth connecting means 19 of the fourth length 122 to the sleeper 1.
  • the fourth connecting means 19 is constrained to the sleeper 1 in the fourth fixing zone 24.
  • the fourth connecting means 24 suitably comprises a fourth anchor which allows them to be inserted in a hole located in the fourth fixing zone 24.
  • the first and the third length 111, 121 define a first portion 101 of a railway track 100.
  • the first and the third length 111, 121 are in fact side by side and parallel, belonging to two distinct rails.
  • the second and the fourth length 112, 122 define in combination a second portion 102 of the railway track 100 (this second portion 102 is consecutive to the first portion 101).
  • the second and the fourth length 112, 122 are side by side and parallel and belong to two distinct rails.
  • the system 10 also comprises determination means 14 for determining the passage of a train along the first and/or the second portion 101, 102 of the railway track 100.
  • the passage determination means 14 comprises a plurality of (electrical) cables 17 passing through the first channel 31 and electrically connected partly to the first length 111, partly to the second length 112, partly to the third length 121 and partly to the fourth length 122.
  • the first channel 31 comprises an inlet 310 through which said plurality of cables 17 runs.
  • This inlet 310 is suitably obtained at one end of the sleeper 1. This inlet 310 is defined by an end of the first channel 31.
  • the sleeper 1 comprises the second channel 32.
  • the second channel 32 extends transversally to the first channel 31 and crosses from side to side the width of the sleeper 1.
  • the sleeper 1 also comprises the third channel 33.
  • the third channel 33 extends transversally to the first channel 31 and crosses from side to side the width of the sleeper 1.
  • the second channel 32 is interposed between the third channel 33 and the first fixing zone 21.
  • the second channel 32 is nearer to the first fixing zone 21 than the third channel 33.
  • a first part 171 of said plurality of cables 17 runs through the second channel 32; they derive however from the first channel 31. They are introduced into the sleeper 1 through the inlet 310.
  • the first part of the cables 17 branches into two branches of the second channel 32. Those directed to the first length 111 will be housed in one branch, those directed to the second length 112 will be housed in the other branch.
  • a second part 172 of said plurality of cables 17 runs in the third channel 33.
  • the second part 172 of said plurality of cables 17 branches into two branches of the third channel 33 depending on whether they are directed to the third or fourth length 121, 122.
  • the means 14 for determining the passage of a train suitably comprises one or more sensors connected to the first, second, third and fourth length 111, 112, 121, 122, suitably via the cables 17. These sensors allow detecting an electrical signal associated with the passage of a train set.
  • the means 14 for determining the passage of a train could comprise means for supplying power to the first, second, third, and fourth length 111, 112, 121, 122.
  • a passing train closes the electrical circuit between the first and third length 111, 121 thus allowing a sensor to detect the passage of current and thus the passage of the train.
  • the present invention achieves important advantages.
  • the sleeper allows to optimise the geometry of the sleeper 1. This is reflected in the fact that the sleeper thus modified can adequately support the joint area between two consecutive lengths of track and at the same time allows easy inspection and maintenance of suitable electrical cables, for example for detecting the passage of a train.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP20202692.8A 2019-10-30 2020-10-20 Système de chemin de fer comprenant une traverse Active EP3816348B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000020070A IT201900020070A1 (it) 2019-10-30 2019-10-30 Traversa ferroviaria

Publications (2)

Publication Number Publication Date
EP3816348A1 true EP3816348A1 (fr) 2021-05-05
EP3816348B1 EP3816348B1 (fr) 2023-04-05

Family

ID=69743834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20202692.8A Active EP3816348B1 (fr) 2019-10-30 2020-10-20 Système de chemin de fer comprenant une traverse

Country Status (2)

Country Link
EP (1) EP3816348B1 (fr)
IT (1) IT201900020070A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0653601U (ja) * 1991-07-12 1994-07-22 東日本旅客鉄道株式会社 ケーブル収納用枕木
FR2987630A1 (fr) * 2012-03-05 2013-09-06 Margaritelli Spa Traverse de chemin de fer en beton a isolation electrique elevee, apte a supporter les extremites adjacentes de deux etendues de rail consecutives
FR2987629A1 (fr) * 2012-03-05 2013-09-06 Margaritelli Spa Traverse de chemin de fer apte a recevoir un transpondeur avec le cablage associe
CN203716004U (zh) * 2013-12-25 2014-07-16 孟志刚 铁路车辆专用设备轨枕

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0653601U (ja) * 1991-07-12 1994-07-22 東日本旅客鉄道株式会社 ケーブル収納用枕木
FR2987630A1 (fr) * 2012-03-05 2013-09-06 Margaritelli Spa Traverse de chemin de fer en beton a isolation electrique elevee, apte a supporter les extremites adjacentes de deux etendues de rail consecutives
FR2987629A1 (fr) * 2012-03-05 2013-09-06 Margaritelli Spa Traverse de chemin de fer apte a recevoir un transpondeur avec le cablage associe
CN203716004U (zh) * 2013-12-25 2014-07-16 孟志刚 铁路车辆专用设备轨枕

Also Published As

Publication number Publication date
EP3816348B1 (fr) 2023-04-05
IT201900020070A1 (it) 2021-04-30

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