EP2235261B1 - Schwellenschuh - Google Patents

Schwellenschuh Download PDF

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Publication number
EP2235261B1
EP2235261B1 EP08860707.2A EP08860707A EP2235261B1 EP 2235261 B1 EP2235261 B1 EP 2235261B1 EP 08860707 A EP08860707 A EP 08860707A EP 2235261 B1 EP2235261 B1 EP 2235261B1
Authority
EP
European Patent Office
Prior art keywords
filler
spring elements
cross tie
shoe
threshold
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.)
Active
Application number
EP08860707.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2235261A2 (de
Inventor
Herwig Miessbacher
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.)
Semperit AG Holding
Original Assignee
Semperit AG Holding
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 Semperit AG Holding filed Critical Semperit AG Holding
Publication of EP2235261A2 publication Critical patent/EP2235261A2/de
Application granted granted Critical
Publication of EP2235261B1 publication Critical patent/EP2235261B1/de
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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E01B9/681—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by the material
    • 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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape

Definitions

  • the invention relates to a threshold shoe with a bottom and side walls, which are made of an elastic material, wherein on the floor and these superior field elements are arranged and formed between the spring elements interstices, and a method for producing this threshold shoe, according to the an elastic material, a bottom and side walls of the threshold shoe are made by vulcanization in a mold, wherein on the bottom spring elements are arranged such that remain free between these spaces.
  • the object of the present invention is to maintain the damping characteristic of a sleeper shoe as unchanged as possible even in humid environmental conditions.
  • the filler may overhang the spring elements by a value in height selected from a range having a lower limit of 1 mm and an upper limit of 10 mm. Exaggerations of the filler with respect to the spring elements selected from this range have shown in practical experiments a very good ratio between space filling by compression of the filler on the one hand and maintaining the spring characteristic by the spring elements on the other. Below 1 mm, the compression of the filler by the weight of the threshold is so low that, although an improved space filling of the interstices by the compression of the filler is observable, but from this value, a significant improvement of this effect is observable. Elevations greater than 10 mm stiffen under certain circumstances, the filler, so that also a stiffening of the overall system of the spring elements can occur.
  • a material which is selected from a group comprising HD-PE (High Density Polyethylene), PP (polypropylene), PUR, NR, SBR, EPDM, EPS (expanded polystyrene foam), XPS (extruded polystyrene foam ), EVA (Ethyl Vinyl Acetate), TPE (Thermoplastic Elastomers), such as TPO (thermoplastic olefins), for example EPDM / PP, or TPE-S (polystyrene-poly-diene block copolymers) or TPE-U (thermoplastic polyurethane elastomers). Especially with these materials, very good results could be found with regard to the task solution of the present invention.
  • a closed-cell elastic foam is used according to the invention, because of the low water absorption capacity of such foams.
  • the threshold 2 may be connected to a further threshold 2 via a transverse strut, not shown, to a cross sleeper. Furthermore, the threshold 2 is normally taken up by a recess in a base plate, in particular made of concrete.
  • the threshold shoe 1 has a bottom 9 and side walls 10. On an inner surface 11 of the side walls 10 rib-shaped webs 12 are provided, which contribute to the damping characteristic of the threshold shoe 1. These webs 12 are formed with increasing height in the direction of the bottom 9 on the rail 5, so that the side walls 10 relative to the bottom 9 - viewed in cross section - are formed conically. In particular, these webs 12 are circumferentially arranged over the entire circumference of the side walls 10 extending. So there are no exemptions between individual segments, as for example in the above DE 698 07 031 T2 be described for drainage. Thus, although these exemptions are not mandatory in the invention, they can of course be arranged. It is further the conical design of the side walls 10 described not mandatory.
  • spring elements 13 made of a first elastic material of the sleeper shoe itself are formed on the base 9, ie made in one piece with the base 9. These spring elements 13 are in the form of a knob, with at least approximately square cross section (seen in plan view). With the help of these spring elements 13, the deflection characteristic and thus the damping behavior of the system, so the threshold shoe 1 - in addition to the damping capacity of the damping elements 6, 8 - determined.
  • the spring elements 13 are made of the material of the bottom 9 of the threshold shoe 1, in particular are integrally connected thereto.
  • these damping elements 13 have an at least approximately square cross-section, for example other cross-sections, such as e.g. round, rectangular, polygonal cross-sections within the scope of the invention possible and is about these different cross-sectional shapes - whereby mixed forms within a threshold shoe 1 are possible - the suspension characteristics of the threshold shoe 1, d. H. the entire track structure 3, adapted to the respective requirements, which may be significantly different for example in curved sections to straight lines.
  • a filler 15 is arranged between the individual spring elements 13 intermediate spaces 14 , in which according to the invention a filler 15 is arranged. This filler 15 fills these gaps 14 at least approximately completely, preferably entirely.
  • the filler 16 according to the invention has a secant rigidity, which - depending on the first elastic material, which is used for the spring elements 13 and optionally the bottom 9 and the side walls 10 - maximum so large that the deflection characteristic is not or only insignificantly influenced by the spring elements 13 in their load by a traveling rail vehicle, so there is no stiffening of the overall system "threshold shoe 1".
  • the filler 15 has a secant rigidity which is at most 1% to 10% of the secant rigidity of the spring elements 13.
  • the secant rigidity of the spring elements 13 can be selected under quasi-static loading from a range with a lower limit of 5 kN / mm and an upper limit of 300 kN / mm according to DIN 45673.
  • Fig. 4 is a detail of another embodiment variant of the threshold shoe 1 shown in cross section.
  • the spring elements 13 have a different height. It is thus the deflection, ie the damping behavior of these spring elements 13 and the threshold shoe 1 adapted accordingly.
  • the spring elements 13 have a different secant rigidity, so for example, the spring elements 13 with a larger spring element height 17 have a higher rigidity, as the spring elements 13 with a smaller spring element height 17.
  • Bei it is possible that at normal load, the attenuation mainly by the spring elements 13 with the larger spring element height 17, and only at higher loads, the spring elements 13 come with lower spring element height 17 to work. By a highly progressive spring characteristic, the spring elements 13 can be better protected from overloading.
  • the filler 15 is formed in this variant of the threshold shoe 1 up to that spring element height 17 or slightly above, which is smaller than the maximum spring element height 17.
  • a variant of the threshold shoe 1 is partially shown in cross-section, in which the spring elements 13 in turn have a different spring element height 17, similar to that according to Fig. 4 , Unlike the embodiment according to Fig. 4 but the smaller spring elements 13 are completely covered by the filler 15 so that substantially the threshold 2 is opposite to a flat surface.
  • the filler 15 does not or does not significantly influence the spring characteristic of the spring elements 13, that is to say those of the lower spring elements 13, by the overlying filler 15.
  • the bottom 9 and the side walls 10 made of an elastic material are produced by vulcanization in a mold.
  • This elastic material may, for. B. NR, SBR, EPDM, etc. be.
  • Such a manufacturing method is already known from the prior art, so reference should be made to this point.
  • the spring elements 13 can be made of the same material in this form as used for the bottom 9 and the side walls 10. On the other hand, it is possible that the spring elements 13 consist of a different elastic material, these spring elements 13 are preferably vulcanized to the surface of the bottom 9.
  • an at least approximately flat plate is produced from the second elastic material, into which corresponding recesses or openings are then introduced, for example by punching or cutting, according to the geometry of the spring elements 13, so this so prefabricated plate after vulcanization on the spring elements 13, ie in the interstices 14, can be inserted.
  • the filler 15 on site d. H.
  • This raw material is introduced into the intermediate spaces 14, subsequently the threshold 2 is placed in the sleeper shoe 1 and finally the raw material for the filler 15 is foamed, whereby the intermediate spaces 14 are filled at least approximately completely.
  • the sleeper shoe 1 is also possible for the sleeper shoe 1 to be produced by a so-called 2-component method, ie for the filler 15 to be injected into the intermediate spaces 14 during the vulcanization of the sleeper shoe 1, for example, and foamed during the vulcanization, as a result of which the intermediate spaces 14 at least approximately completely filled out.
  • the latter method has the advantage that the threshold shoe 1 can be finished in one step, so that further assembly steps, eg. B. on site, can be reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Railway Tracks (AREA)
EP08860707.2A 2007-12-13 2008-12-15 Schwellenschuh Active EP2235261B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT20202007A AT506153B1 (de) 2007-12-13 2007-12-13 Schwellenschuh
PCT/AT2008/000452 WO2009073910A2 (de) 2007-12-13 2008-12-15 Schwellenschuh

Publications (2)

Publication Number Publication Date
EP2235261A2 EP2235261A2 (de) 2010-10-06
EP2235261B1 true EP2235261B1 (de) 2016-03-30

Family

ID=40627209

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08860707.2A Active EP2235261B1 (de) 2007-12-13 2008-12-15 Schwellenschuh

Country Status (6)

Country Link
EP (1) EP2235261B1 (pl)
AT (1) AT506153B1 (pl)
ES (1) ES2573640T3 (pl)
HU (1) HUE028592T2 (pl)
PL (1) PL2235261T3 (pl)
WO (1) WO2009073910A2 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106700141A (zh) * 2016-11-29 2017-05-24 芜湖集拓橡胶技术有限公司 自润滑橡胶减震配方

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016111064A1 (de) * 2016-06-16 2017-12-21 Vossloh-Werke Gmbh Elastisches Element für einen Befestigungspunkt für eine Schiene für Schienenfahrzeuge und Befestigungspunkt
CN110437507A (zh) * 2019-08-08 2019-11-12 广州同欣康体设备有限公司 运动场地面层材料及其制备方法
WO2022194404A1 (en) * 2021-03-15 2022-09-22 Ecole Polytechnique Federale De Lausanne (Epfl) Multi-material rail pad and method for manufacturing same
CN113293656A (zh) * 2021-07-02 2021-08-24 郑州铁路利达实业有限公司 一种钢轨防撞垫铁
WO2026037681A1 (en) 2024-08-12 2026-02-19 Sonneville Ag Sleeper block unit comprising a sleeper block and a sleeper shoe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356968A (en) * 1980-10-10 1982-11-02 Stedef S.A. Railroad tie cover
AU740190B2 (en) * 1997-09-26 2001-11-01 Phoenix Aktiengesellschaft Rail system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106700141A (zh) * 2016-11-29 2017-05-24 芜湖集拓橡胶技术有限公司 自润滑橡胶减震配方

Also Published As

Publication number Publication date
WO2009073910A3 (de) 2009-08-13
HUE028592T2 (en) 2016-12-28
AT506153A1 (de) 2009-06-15
PL2235261T3 (pl) 2016-11-30
EP2235261A2 (de) 2010-10-06
ES2573640T3 (es) 2016-06-09
WO2009073910A2 (de) 2009-06-18
AT506153B1 (de) 2010-05-15

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