EP2702206B1 - Isolation thermique pour rails de chemin de fer - Google Patents

Isolation thermique pour rails de chemin de fer Download PDF

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Publication number
EP2702206B1
EP2702206B1 EP12727257.3A EP12727257A EP2702206B1 EP 2702206 B1 EP2702206 B1 EP 2702206B1 EP 12727257 A EP12727257 A EP 12727257A EP 2702206 B1 EP2702206 B1 EP 2702206B1
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EP
European Patent Office
Prior art keywords
insulating element
rail
outer insulating
heat insulation
railway
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.)
Not-in-force
Application number
EP12727257.3A
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German (de)
English (en)
Other versions
EP2702206A1 (fr
Inventor
Bernd Fichtner
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.)
EAN Elektroschaltanlagen Grimma GmbH
Original Assignee
EAN Elektroschaltanlagen Grimma 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
Application filed by EAN Elektroschaltanlagen Grimma GmbH filed Critical EAN Elektroschaltanlagen Grimma GmbH
Publication of EP2702206A1 publication Critical patent/EP2702206A1/fr
Application granted granted Critical
Publication of EP2702206B1 publication Critical patent/EP2702206B1/fr
Not-in-force 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
    • E01B7/00—Switches; Crossings
    • E01B7/24—Heating of switches
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/60—Rail fastenings making use of clamps or braces supporting the side of the rail

Definitions

  • the invention relates to a thermal insulation for railroad tracks.
  • the invention relates to a thermal insulation for railroad tracks, which consists of several prefabricated elements.
  • a point heating system in which the flow and return of a heating cable is covered outside with insulating material.
  • the insulation of the heating cable is done by foaming on site.
  • the rail foot is insulated by means of a prefabricated insulation thermally outwards.
  • thermal insulation of the prior art that they often have only a relatively low mechanical strength, which can lead to problems especially at high speed lines.
  • maintenance of the point heating system for example, when disturbances of the heating elements on the switch may be necessary to perform a complicated disassembly and assembly operation of the thermal insulation or insulating, which is associated with a high cost and time.
  • a noise-reducing railway superstructure which has filler which are arranged continuously in the longitudinal direction along the rail web to cover the rail web, wherein the filler to absorb the airborne sound, on its side opposite the rail have a chamber-like shape.
  • the object of the invention is to provide an effective thermal insulation for railway turnouts, which is easy to assemble and has a high mechanical strength and stability.
  • the object is achieved by the thermal insulation for railroad tracks according to independent claim 1.
  • an outer insulation element of a thermal insulation for railroad tracks is provided.
  • a thermal insulation for railroad tracks is provided with at least one inner insulation element and at least one outer insulation element.
  • the inner insulation element and the outer insulation element are shaped so that they can be mounted parallel to each other on a rail track, so that in the assembled state, the technicallyendämmelement includes a lateral end portion of the rail foot form fit and longitudinally along the rail both opposite the rail web, with a Distance to the rail web, as well as extends to the bottom of the rail.
  • the inner insulation element is arranged in the region of the distance between the outer insulation element and the rail web and is held by means of the outer dam element on the rail track.
  • an advantage of the invention is that due to the modular construction a simple mounting is made possible.
  • the outer and inner insulation elements are made of a stable and heat-insulating material.
  • the thermal insulation has a fastening clip for attachment to the outer insulation element and for fixing the outer insulation element to the rail.
  • the mounting clamp is designed and adapted to the outer profile of the considereddämmelements that it is attachable in a biased state of the outer insulation element. Due to the bias of the mounting clamp, the technicallyendämmelement can be fixed when attaching it together with the attached mounting clamp to the rail, by means of a snapping the mounting clamp on the rail to the rail.
  • the outer insulation element on the end face of its supernatant over the rail foot on a groove for locking the mounting clamp in the outer insulation element is advantageously facilitated.
  • the outer insulation element preferably has drainage holes on its underside.
  • the outer insulation element has recesses on both sides in its longitudinal profile on its underside.
  • the outer insulation element it is advantageously possible for the outer insulation element to cover the largest possible area longest of the railroad track.
  • the outer damming element preferably has in its longitudinal profile in the middle and upper region a length with which, in the installed state, it projects above a threshold of the railroad track and approaches close to the rail fastening. As a result, the stability and the thermal insulation property are further increased.
  • the outer insulation element has on its underside a length corresponding to a distance between two railway sleepers.
  • the inner insulation element is designed such that it has an adapted to the rail track and to the outer insulation element cross-sectional profile.
  • the inner damping element preferably has a cross-sectional profile adapted to the rail track and to the outer damping element such that the inner damping element, on one side of the rail track, extends beyond the region of the rail web, in the installed state of the thermal insulation to a part of the region of the rail head, positively enclosing.
  • An advantage of this preferred embodiment of the invention is that, in particular due to the positive connection, the stability of the construction in the mounted state is increased even further.
  • the inner insulation element in its cross-sectional profile on the side facing away from the rail track in the assembled state of thermal insulation, a recess into which the considereddämmelement is einpassbar, so that in the assembled state, the technicallyendämmelement and mecanicendämmelement positively connected to each other.
  • the assembly is further facilitated further and the stability is increased even more, in particular since an enlarged contact surface between the inner insulating element and the outer insulating element is provided due to the positive connection.
  • the risk of possible shaking of the inner insulation element is further reduced or eliminated.
  • the thermal insulation according to the invention on several réelledämmimplantation, which are arranged juxtaposed in the assembled state over the entire heated rail length.
  • the inner insulation elements are latched together.
  • the réelledämmimplantation are latched with each other over the entire heated rail length arranged in a row.
  • an inner damping element has a trapezoidal connection at one end. Further preferably, an inner damping element has at its other end a trapezoidal recess in the shape of the nozzle.
  • a combined réelledämmelement is provided that at one end has a trapezoidal nozzle and at its other end the trapezoidal recess in the shape of the nozzle.
  • the thermal insulation according to the invention is designed for use for stock rails of railway turnouts.
  • the shapes or the cross-sectional profiles of the inner dam element and the outer dam element are adapted to this effect.
  • the outer insulation element and / or the inner insulation element is preferably formed from a heat-insulating material, in particular from polypropylene.
  • a heat-insulating material in particular from polypropylene.
  • the invention is not limited to the use of polypropylene. Instead, other materials that achieve high stability and good thermal insulation can also be used.
  • the outer insulation element is integrally formed.
  • a railroad rail is provided which is provided with the thermal insulation according to the invention.
  • the inner and / or outer insulation element are preferably provided with additional recesses.
  • the heating element of a rail heater may be mounted on the same side as the thermal insulation, or on the opposite side of the rail.
  • the thermal insulation according to the invention can be advantageously attached to the rail in a simple manner,
  • a prefabricatedcriticalendämmelement be provided with a mounting clamp, wherein the terminal has a mechanical bias in the patch on the outer element.
  • at least one inner insulation element is applied to the railroad track at its web area, and the clampedrichendämmelement is pushed onto the rail, wherein a suitableêtdämmelement is used, that in the pushed state, the rail at least on a side rail foot and the inner insulating element positively.
  • the clamp can then snap in because of the mechanical bias on the other side of the rail foot, so that the perspectivesendämmelement and thereby also the inner insulation are fixed to the rail.
  • the thermal insulation according to the invention is particularly suitable for keeping cold wind from the rail, so as to maximize the possible temperature difference between the outside temperature, which is often far below zero degrees Celsius in winter, and the rail temperature.
  • a thermal insulation by means of which advantageously contradictory requirements are met. More specifically, a heat-insulating device is provided in which on the one hand a good Thermal insulation is ensured due to a low thermal conductivity. Furthermore, a good mechanical strength and stability is given, which is especially necessary for high-speed lines. In addition, a simple manner of attachment is provided, whereby a simple maintenance is ensured especially in case of disturbances on the heating elements. This is achieved in particular due to the modular design of the thermal insulation according to the invention, be used in the prefabricated parts.
  • FIG. 1 an outer insulation element 101 of the thermal insulation according to the invention is shown in cross-sectional view in a mounted on the rail 102 state.
  • the rail 102 has a rail head 107, a rail web 103 and a rail foot 104.
  • the outer insulation element 101 has in its cross-section a recess which receives a lateral end region 105 of the rail foot 104.
  • the lower part 106 of the outer dam element 101 extends under the rail foot 104.
  • the outer insulation element 101 has, on its lateral part, a projection 108 which extends with respect to the rail web 103 at a distance 109 from the rail web 103. The distance is intended for the interior insulation element (in Fig. 1 not shown, see below instead).
  • the outer insulation element 101 On its lateral end face 110, the outer insulation element 101 has a groove 111 which is provided for receiving a fastening clip (not shown here). Like from the Fig. 1 it can be seen, the lateral end portion 105 of the rail foot 104 is positively encompassed by the technicallyendämmelement 101. From the Fig. 1 It can also be seen that the lower part 106 of the outer dam element 101 extends under the rail foot 104 in such a way that the rail foot 104 is positively enclosed by the outer insulation element 101, ie the outer insulation element 101 can reach with its lower part 106 by means of the fastening clip (not shown) the rail 102 are held.
  • the outer insulation element 101 has, on the upper side of its lower part 106, which upper side faces the rail foot 104, a depression 112 which serves for collecting and draining meltwater.
  • Fig. 2 is the intuitionendämmelement 101 according to the embodiment of the invention shown in side view.
  • the outer insulation element has such a longitudinal profile that its lower part 106 is shorter in comparison to its upper part or the projection 108.
  • the outer insulation element 101 has recesses 201 in its longitudinal profile.
  • the outer insulation element 101 is designed symmetrically in its longitudinal profile.
  • the length of the lower part 106 is selected according to this embodiment such that the outer insulation element 101 has on its underside 202 a length which corresponds to a distance between two sleepers (not shown here) of the railroad rail 102.
  • the outer insulation element 101 is made in one piece and made of a heat-insulating material, preferably of polypropylene.
  • Fig. 3 a plan view of the outer dam element 101 is shown. As in Fig. 3 As shown, the lower portion 106 of the outer dam member 101 has a series of drainage holes 301 for draining meltwater.
  • Fig. 4 is the relationendämmelement 101 according to the embodiment of the invention in a perspective view shown.
  • the lower portion 106, the supernatant 108, the groove 111, the drainage holes 301, and others are also shown earlier in FIGS Fig. 1 to 3 shown in more detail components and aspects of theêtnämmelements 101 shown.
  • FIG. 12 shows a cross-sectional view of an inner dam element 501 of the embodiment of the thermal insulation according to the invention in the state mounted on the rail 102.
  • the inner insulation element 501 has a cross-sectional profile adapted to the rail track 102 and encloses the rail 102, on a side 503 of the rail 102, from a region on an upper side 504 of the rail foot 104, over the region of the rail web 103, up to one Area on a bottom 505 of the rail head 107, in a form-fitting manner.
  • Fig. 12 shows a cross-sectional view of an inner dam element 501 of the embodiment of the thermal insulation according to the invention in the state mounted on the rail 102.
  • the inner insulation element 501 has a cross-sectional profile adapted to the rail track 102 and encloses the rail 102, on a side 503 of the rail 102, from a region on an upper side 504 of the rail foot 104, over the region of the rail web 103, up
  • the formerlydämmelement 501 at one end 601 a trapezoidal nozzle 602 and at its other end 603 a trapezoidal recess 604 in the form of the nozzle. This allows a secure latching of several juxtaposed similar réelleendämmmaschinen 501 in a simple manner.
  • Fig. 7 is that in the Fig. 5 and 6 shown reteendämmelement 501 shown in a perspective view.
  • FIG. 8 is a perspective view of the thermal insulation 100 according to the invention shown in the assembled state.
  • Fig. 8 both the rail 102, on which the thermal insulation 100 is mounted, as well as exemplified two rail sleepers 801 and rail fasteners 802 shown.
  • Fig. 9 two juxtaposed réelledämmmaschine 501 can be seen.
  • the réelleendämmmaschine 501 are held according to the installation of thermal insulation ofthinkendämmemian 101 on the rail.
  • the elements 101, 501 of the thermal insulation 100 are fixed to the rail 102 with clamps or fastening clamps 803.
  • both the inner insulation elements 501 and the outer insulation elements 101 contribute to the thermal insulation.
  • cold wind is prevented from the rail 102 by means of the outer insulation elements 101.
  • Fig. 9 is a perspective view of the embodiment of the thermal insulation 100 according to the invention shown in the assembled state.
  • the exterior insulation elements are sufficient, as in Fig. 9 shown, with their end surfaces 901 almost zoom up to the mounting brackets 902 of the rail attachment 802, so that the cover of the rail 102 with the inner insulation elements 501 and the outer insulation elements 101 is maximized.
  • Fig. 10 is a perspective view of the formerlydämm implant 501 shown in the assembled state.
  • the inner insulation elements 501 as in Fig. 10 represented by the trapezoidal mounting stub 602 verklinkt together juxtaposed, arranged adjacent to the rail.
  • the thermal insulation (100) according to the embodiment can be mounted.
  • the outer insulation element 101 according to the invention is provided with a fastening clip 803 placed thereon.
  • the fastening clip 803 has at one end a bent portion 1101 which is adapted to engage the groove 111 at the end face of the projection 108.
  • the fastening clip 803 is preassembled on the outer insulating member 101 of the thermal insulation 100 outside the rail system, with the bent portion 1101 of the fastening clip 803 being inserted into the groove 111 serving as the guide groove for the fastening clip 803.
  • the fixing bracket 803 is fixed to a side end surface 1102 of the lower part 106 of the outer dam member 101.
  • the outer insulation element 101 with the fastening clip 803 is inserted until it collides with the inner insulation element 501, as indicated by the arrow 1103 in FIG FIG. 11 indicated.
  • the fastening clip 803 As indicated by the arrows 1104, strongly pressed in, so that the fastening clip 803 snaps, see the arrow 1105th

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Railway Tracks (AREA)
  • Thermal Insulation (AREA)

Claims (15)

  1. Isolation thermique (100) pour des rails de chemin de fer (102), présentant au moins un élément isolant intérieur (501) et au moins un élément isolant extérieur (101), qui sont façonnés pour être montés en position parallèle l'un à l'autre sur un rail de chemin de fer (102),
    caractérisée en ce que, à l'état monté, l'élément isolant extérieur (101) entoure par emboîtement le patin du rail (104) sur une région d'extrémité latérale (105) du patin du rail (104) et s'étend avec une partie supérieure (108) en direction longitudinale le long du rail de chemin de fer (102) en face de l'âme du rail (103), à une distance (109) de l'âme du rail (103) et avec une partie inférieure (106) sur le côté inférieur du rail de chemin de fer (102), et l'élément isolant intérieur (501) est disposé dans la région de la distance (109) entre l'élément isolant extérieur (101) et l'âme du rail (103) et est maintenu sur le rail (102) au moyen de l'élément isolant extérieur (101).
  2. Isolation thermique (100) selon la revendication 1, avec en plus au moins une pince de fixation (803), qui est formée en vue d'être posée sur l'élément isolant extérieur (101) et de fixer l'élément isolant extérieur (101) sur le rail de chemin de fer (102), dans laquelle la pince de fixation (803) est adaptée au profil extérieur de l'élément isolant extérieur (101).
  3. Isolation thermique (100) selon la revendication 2, dans laquelle l'élément isolant extérieur (101) présente sur la face frontale de son dépassement (108) au-delà du patin du rail (104) une rainure (111) pour l'encliquetage de la pince de fixation (803) dans l'élément isolant extérieur (101).
  4. Isolation thermique (100) selon l'une quelconque des revendications précédentes, dans laquelle l'élément isolant extérieur (101) présente des trous de drainage (301) sur son côté inférieur.
  5. Isolation thermique (100) selon l'une quelconque des revendications précédentes, dans laquelle l'élément isolant extérieur (101) présente dans son profil longitudinal respectivement un évidement (201) de part et d'autre sur son côté inférieur.
  6. Isolation thermique (100) selon l'une quelconque des revendications précédentes, dans laquelle l'élément isolant extérieur (101) présente sur son côté inférieur une longueur, qui correspond à une distance entre deux traverses de chemin de fer (801), sur lesquelles le rail de chemin de fer (102) est fixé.
  7. Isolation thermique (100) selon l'une quelconque des revendications précédentes, dans laquelle l'élément isolant intérieur (501) a un profil de section transversale adapté au rail de chemin de fer (102) et à l'élément isolant extérieur (101), dans laquelle l'élément isolant intérieur (501), dans l'état monté de l'isolation thermique (100), est entouré par emboîtement par un côté du rail de chemin de fer (102), dans laquelle l'élément isolant intérieur (501) s'applique sur le rail de chemin de fer (102) depuis une région du côté supérieur (504) du patin du rail (104), par-dessus la région de l'âme du rail (103), jusqu'à une région (505) du champignon du rail (107).
  8. Isolation thermique (100) selon l'une quelconque des revendications précédentes, dans laquelle l'élément isolant intérieur (501) présente, sur son côté détourné du rail de chemin de fer (102) dans l'état monté de l'isolation thermique (100), un évidement (502), dans lequel l'élément isolant extérieur (101) peut être ajusté, de telle manière que dans l'état monté l'élément isolant extérieur (101) et l'élément isolant intérieur (501) soient assemblés l'un à l'autre par emboîtement.
  9. Isolation thermique (100) selon l'une quelconque des revendications précédentes, présentant plusieurs éléments isolants intérieurs (501) selon les revendications précédentes, qui peuvent être encliquetés l'un avec l'autre.
  10. Isolation thermique (100) selon la revendication 8, dans laquelle l'élément isolant intérieur (501) présente à une extrémité (601) un bout trapézoïdal (602) et à son autre extrémité (603) un évidement trapézoïdal (604) de la forme du bout (602).
  11. Isolation thermique (100) selon l'une quelconque des revendications précédentes, dans laquelle l'élément isolant extérieur (101) et/ou l'élément isolant intérieur (502) sont respectivement formés d'un matériau thermiquement isolant, en particulier de polypropylène.
  12. Isolation thermique (100) selon l'une quelconque des revendications précédentes, dans laquelle l'élément isolant extérieur (501) est réalisé en une seule pièce.
  13. Rail de chemin de fer (102) avec au moins une isolation thermique (100) selon l'une quelconque des revendications précédentes montée sur celui-ci.
  14. Utilisation d'une isolation thermique (100) selon l'une quelconque des revendications 1 à 12 pour des contre-aiguilles d'aiguillages de chemin de fer.
  15. Procédé pour le montage d'un élément isolant extérieur (101) d'une isolation thermique (100) pour des rails de chemin de fer (102) selon l'une quelconque des revendications 1 à 12, comprenant les étapes suivantes:
    munir l'élément isolant extérieur (101) d'une pince de fixation (803), dans lequel la pince de fixation (803) présente, dans l'état posé sur l'élément isolant extérieur (101), une précontrainte mécanique,
    glisser l'élément isolant extérieur (101) muni de la pince de fixation (803) sur le rail de chemin de fer (102), de telle manière que l'élément isolant extérieur (101) entoure par emboîtement le rail de chemin de fer (102) sur la région latérale du patin du rail (105),
    accrocher (1105) la pince de fixation (803) en utilisant la précontrainte mécanique de la pince de fixation (803) sur l'autre côté du patin du rail (104), de telle manière que l'élément isolant extérieur (101) soit fixé sur le rail de chemin de fer (102),
    dans lequel l'élément isolant extérieur (101) est en outre configuré pour retenir sur le rail de chemin de fer (102), dans l'état monté, un élément isolant intérieur (501) appliqué sur le rail de chemin de fer (102) dans la région de son âme.
EP12727257.3A 2011-04-29 2012-04-24 Isolation thermique pour rails de chemin de fer Not-in-force EP2702206B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011100079A DE102011100079A1 (de) 2011-04-29 2011-04-29 Wärmedämmung für Eisenbahnschienen
PCT/DE2012/000429 WO2012146235A1 (fr) 2011-04-29 2012-04-24 Isolation thermique pour rails de chemin de fer

Publications (2)

Publication Number Publication Date
EP2702206A1 EP2702206A1 (fr) 2014-03-05
EP2702206B1 true EP2702206B1 (fr) 2017-03-29

Family

ID=46275636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12727257.3A Not-in-force EP2702206B1 (fr) 2011-04-29 2012-04-24 Isolation thermique pour rails de chemin de fer

Country Status (5)

Country Link
EP (1) EP2702206B1 (fr)
CN (1) CN103534412B (fr)
DE (1) DE102011100079A1 (fr)
RU (1) RU2557095C2 (fr)
WO (1) WO2012146235A1 (fr)

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DE102013016232A1 (de) 2013-10-01 2015-04-02 Ean Elektroschaltanlagen Gmbh Temperiereinheit für Fahrwegelemente und System zum Temperieren von Fahrwegelementen
DE102014000296B4 (de) 2014-01-15 2016-03-10 Ean Elektroschaltanlagen Gmbh Einrichtung zur Wärme- und Winddämmung von Eisenbahnschienen
DE102015001277A1 (de) * 2015-02-02 2016-08-04 Ortec Gesellschaft für schienentechnische Systeme GmbH Elastische Schienenlagerung
CN108797233A (zh) * 2017-04-28 2018-11-13 西安铁路信号有限责任公司 一种铁路道岔融雪加热防风保温方法
CN109518548B (zh) * 2018-12-05 2023-09-05 中国铁建重工集团股份有限公司 轨道保护装置
CN114032712B (zh) * 2021-12-02 2023-05-23 南京铁道职业技术学院 一种抗冻型轨道结构及其轨道结构施工方法

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GB2272011B (en) * 1992-10-28 1996-05-22 Charles Penny Method for securing in position a tramway or railway rail
DE9411006U1 (de) * 1994-03-31 1994-09-08 Wirthwein, Udo, 97993 Creglingen Lärmreduzierter Eisenbahnoberbau
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CA2633014A1 (fr) * 2008-05-23 2009-11-23 Polycorp Ltd. Pince pour rail a deux pieces et son outil d'installation
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DE102010029854A1 (de) * 2009-06-11 2010-12-16 Balfour Beatty Plc Anordnung zur Beheizung von Schienenweichen
EP2354300A1 (fr) * 2010-02-03 2011-08-10 Composite Damping Material N.V. In Het Kort "Cdm" Système à rail imbriqué

Also Published As

Publication number Publication date
CN103534412A (zh) 2014-01-22
EP2702206A1 (fr) 2014-03-05
CN103534412B (zh) 2015-07-15
DE102011100079A1 (de) 2012-10-31
RU2013152799A (ru) 2015-06-10
WO2012146235A1 (fr) 2012-11-01
RU2557095C2 (ru) 2015-07-20

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