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EP2297402B9 - System zum befestigen einer schiene auf einem untergrund - Google Patents

System zum befestigen einer schiene auf einem untergrund Download PDF

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Publication number
EP2297402B9
EP2297402B9 EP09779931A EP09779931A EP2297402B9 EP 2297402 B9 EP2297402 B9 EP 2297402B9 EP 09779931 A EP09779931 A EP 09779931A EP 09779931 A EP09779931 A EP 09779931A EP 2297402 B9 EP2297402 B9 EP 2297402B9
Authority
EP
European Patent Office
Prior art keywords
tensioning clamp
rail
centre loop
nut
loop
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
EP09779931A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2297402B1 (de
EP2297402A1 (de
Inventor
Winfried BÖSTERLING
Lutz Rademacher
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.)
Vossloh Werke GmbH
Original Assignee
Vossloh Werke 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 Vossloh Werke GmbH filed Critical Vossloh Werke GmbH
Priority to PL09779931T priority Critical patent/PL2297402T3/pl
Publication of EP2297402A1 publication Critical patent/EP2297402A1/de
Application granted granted Critical
Publication of EP2297402B1 publication Critical patent/EP2297402B1/de
Publication of EP2297402B9 publication Critical patent/EP2297402B9/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
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
    • E01B9/10—Screws or bolts for sleepers
    • 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
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
    • E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
    • E01B9/303—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped bar

Definitions

  • the invention relates to a system for fastening a rail to a substrate, which has a bolt mounted in the ground when the system is completely assembled, which has a threaded portion which protrudes freely beyond the top of the substrate when the bolt is fastened in the ground.
  • Systems of this type are used, for example, for fastening a rail to a substrate formed by concrete slabs or concrete sleepers.
  • substrates made of unyielding materials are also referred to as "solid pavement”.
  • Slab tracks have become established in the area of high-speed passenger traffic and heavy freight traffic, as they allow a particularly precise and secure attachment of the rail.
  • the load on the rail can be adjusted in a comparatively simple manner so that an optimum service life is achieved.
  • the rail fastening system used in each case has the task of holding down the rail with a force that reliably prevents lifting.
  • the rail attachment supports the rail against the transverse forces that occur when crossing the rail in each attachment point.
  • rail fasteners of Speech Due to the large number of fasteners that are needed to fasten a rail, rail fasteners of Speech here not only be able to withstand the stresses occurring in practical operation safely, but also be inexpensive to produce and easy to install.
  • System RN A particularly simple rail fastening system is known as "System RN". It comprises an integrally designed in the manner of a leaf spring spring element having a spring portion and a support portion which is bent so far around an axis directed transversely to the longitudinal axis of the spring element that it rests against the underside of the spring portion.
  • the spring portion is longer than the support portion, so that it projects freely with an end portion of the support portion.
  • the relevant end portion lies on the foot of the rail to be fastened, which stands on an elastic layer on the solid ground, and exerts a resilient elastic spring force directed against the solid ground.
  • the to required bias of the spring element is achieved in that in the solid surface, a bolt is screwed, which is guided by formed in the spring portion and the support portion through holes, and on the bolt a nut is screwed, via a washer on the solid surface remote from the top of the spring element acts.
  • the spring element lies with its bending section, in which the support section is bent away from the spring section, in a groove formed in the solid base, which extends parallel to the rail to be fastened. In this way, the spring element should be secured against an unwanted change in position.
  • a W-shaped tension clamp is mounted on the angle guide plate, which presses in the assembled state with the free end portions of their spring arms on the free top of the rail of the rail to be fastened.
  • the spring arms of the tension clamp go into an over-center loop, which is clamped by a clamping screw against the solid ground.
  • the U-shaped middle loop of the clamp surrounds the clamping screw.
  • Their legs are designed so that the tension clamp at pre-assembled, a reduced contact force exerting clamping screw from a pre-assembly in which the free end portions of the spring arms of the tension clamp on a parallel to the rib to be mounted rail to be mounted and their support sections sit on a respective shoulder of the solid surface associated surface can be pushed into the mounting position, wherein the spring arms act on the rail and the support portions of the tension clamp in a molded into the angled guide plate, in usually groove-shaped recess sit.
  • the advantage of the angular guide plate-based concept of the rail fastening system W14 and comparable systems is that the clamping screw required for clamping the clamp can be kept largely free of transverse forces, so that with little wear and minimal risk of breakage a permanently secure support of the rail is guaranteed.
  • the tensioning clamp used in the known system requires a large installation space compared with the system RN and the tensioning screw requires a great length in order to be able to tension the tensioning clamp with simple assembly. It is also necessary for the proper functioning of the system W1 and similarly constructed systems that a support shoulder is formed on the solid base, are passed over the recorded from the angled guide plate lateral forces in the solid ground.
  • a system for fastening a rail to a substrate comprises, in accordance with the prior art, a bolt fastened in the ground when the system is completely assembled. This has a threaded portion which protrudes freely with the bolt fastened in the ground above the top of the ground.
  • a system according to the invention comprises an integrally formed tensioning clamp having an intermediate loop and at least one spring arm connected to the middle loop, the middle loop having two parallel spaced limbs defining a space therebetween in which the threaded portion is fully assembled of the bolt is arranged.
  • This spring arm exerts a resilient hold-down force on the foot of the rail to be fastened in the fully assembled system with its rail associated free end portion.
  • the system according to the invention also includes a nut, which on the threaded portion of the screw bolt can be screwed on and, when the system is fully assembled, acts on the middle loop of the tension clamp in order to clamp the tension clamp against the ground.
  • this nut now has an extension on its underside assigned to the middle loop of the tensioning clamp.
  • This extension has the shape of a circumferential shoulder, which engages in the assembled system in the laterally bounded by the legs of the middle loop space and rests positively against the inner sides of the legs of the middle loop.
  • the circumferential shoulder has an internal thread, which is adapted to the thread of the threaded portion of the bolt.
  • the extension shoulder provided according to the invention at the nut provided for bracing the tension clamp By virtue of the extension shoulder provided according to the invention at the nut provided for bracing the tension clamp, the length over which a positive and non-positive connection between the nut and the threaded portion of the bolt is produced when mounting the system according to the invention is opposite to the height of the shoulder a mother extended, which acts according to the usually used for clamping a tension clamp nuts only with its one flat face optionally with a washer on the middle loop of the tension clamp.
  • the shape of the extension shoulder of a nut provided according to the invention which is adapted to the shape of the legs of the middle loop of the tensioning clamp, ensures that the middle loop also extends below the high loads occurring in practical operation is always performed safely.
  • the system according to the invention can also be used in particular using bolts derived from previously existing, for example, due to wear replacement fastening systems and should remain in the respective underground.
  • a particularly secure hold of the tension clamp in the respective fastening position can be achieved in that in the shoulder of the nut is formed a throat whose cross-sectional shape is adapted to the shape of the coming into contact with the peripheral surface of the middle loop of the tension clamp, that the middle loop in Contact area rests positively on the paragraph.
  • the tension clamp is of a cross-sectionally substantially circular shape Bent wire material, so for this purpose, the cross-sectional shape of the molded-in the shoulder of the nut throat is circular arc-shaped.
  • the mother should have a head portion are formed on the attack surfaces for a mounting tool.
  • the middle loop of the tension clamp and the length of the at least one spring arm of the tension clamp are adapted to each other so that seen in plan the middle loop protrudes beyond the end portion of the spring arm of the tension clamp, it is ensured that the middle loop of the tension clamp in the assembled state protrudes above the rail foot. In this way, the middle loop can serve as a safeguard against lifting the rail foot.
  • a secure transmission of applied by the spring arms hold-down force on the rail can be achieved in that the end portion of the spring arm is bent in a conventional manner in the direction of the center loop of the tension clamp.
  • the spring arm of the tensioning clamp can pass into the center loop of the tensioning clamp in a support section.
  • the support section is directed in an arc away from the middle loop of the tension clamp and the support section extends in the same Level is like the legs of the middle loop of the tension clamp, the height of the system can be further minimized in the assembled state.
  • the tension clamp has two spring arms, one of which is connected to one leg and the other to the other leg of the middle loop of the tension clamp.
  • the tension clamp is W-shaped, so that a uniform loading of all components of the fastening system is achieved.
  • a particularly advantageous and practice-oriented embodiment of the fastening system according to the invention is characterized in that it comprises, according to the example of the prior art, an angled guide plate which is intended to be placed on the ground, and on its in the assembly position free top guide elements for guiding the Has tensioning clamp. If a corresponding depression exists in the ground on which the rail is to be fastened, the angled guide plate can have on its underside associated with the ground a projection which is intended to engage in this recess, thus ensuring a form-fitting securing of the position of the angled guide plate to form in their mounting position. The electrical insulation of the fastening system can thereby be ensured that the angle guide plate consists of an insulating material.
  • the fastening system a from an insulating member made of an electrically insulating material, which has a receptacle for the end portion of the at least one spring arm of the tensioning clamp and is intended to be placed between the respective end portion and the rail to be fastened.
  • the attachment B of the rail S on a solid subsoil U formed by a concrete sleeper is formed of two systems 1, 2.
  • Each of the systems 1, 2 for fastening the rail S comprises a tensioning clamp 3, an angle guide plate 4, a bolt 5, an insulating device 6 and a nut 7 screwed onto the bolt 5.
  • the angle guide plate 4 is made of a non-electrically conductive plastic material and each has a passage opening for the bolt 5.
  • the angle guide plate 4 On its the solid ground U associated bottom, the angle guide plate 4 has a projection 8 which extends parallel to the voltage applied to the rail 9 contact surface 10 of the angled guide plate 4 and thus parallel to the rail S.
  • the shape of the projection 8 is adapted to the shape of a groove 11 which is formed in the angle guide plate 4 associated upper side 12 of the solid substrate U. In this way, the projection 8 of the angled guide plate 4 engages positively in the groove 11, so that it is secured in its mounting position against rotation about an axis of rotation 12 standing on the surface.
  • the transverse forces are conducted via the projection 8 into the solid ground, which are taken up by the angled guide plate 4 when the rail S is passed over.
  • guide elements 13 are integrally formed on the angled guide plate, which secure the position of the tension clamp 3 in the fully assembled position.
  • the integrally bent from a spring wire material tensioning clamp 3 is W-shaped and has a middle loop 14 with two extending parallel Thighs 15,16 on which limit a space 17 between them.
  • the legs 15,16 are connected at one end over a bent by about 180 ° base portion 18 of the middle loop 14 with each other. At their other end, the legs 15, 16 each extend into a support section 19, 20 which extend in the same plane E as the legs 15, 16.
  • Each of the support sections 19, 20 is adjoined by a spring arm 21, 22 which, in each case, pass into an end section 25, 26 in an end section 25, 26 extending parallel to the legs 15, 16 of the middle loop 14, that of the respective curved section 23,24 is bent in the direction of the central portion 14.
  • the end sections 25, 26 each sit in a receptacle of the insulating plate 6 made of a non-conductive plastic material and act via the insulating device 6 on the upper side of the rail foot 9.
  • the measured in plan view length L1 of the spring arms 21,22 is a short distance less than the length L2 of the central portion 14, so that the central portion 14 seen in plan view or side view, is a small distance in front of the end portions 25,26.
  • the nut 7 has a provided with a conventionally shaped external hexagon 27 head portion 28, on the underside of an extension in the form of a circumferential shoulder 29 is formed.
  • the internal thread 30 of the nut 7 extends over the entire Height of the head portion 28 and the paragraph 29.
  • a circumferential groove K is formed in the outside of the shoulder 29, a circumferential groove K is formed.
  • the cross-sectional shape of the throat describes a circular arc whose radius Rk corresponds to the outer radius Ra of the circular cross-section leg 15,16.
  • the smallest diameter D of the shoulder 29 corresponds to the smallest distance A of the legs, so that the nut 7 can be placed on the middle loop 14 and sits positively on the legs 15, 16.
  • the paragraph 29 engages in the laterally bounded by the legs 15,16 space 17th
  • a plastic dowel 31 is inserted, in which the respective bolt 5 is screwed.
  • Each of the bolts 5 has a threaded portion 32 with which the bolt 5 projects beyond the top 11 of the solid substrate U.
  • the length L3 of the threaded portion 32 is dimensioned so tight that the threaded portion 32 does not protrude beyond the respective tension clamp 3.
  • the external thread of the threaded portion 32 corresponds to the internal thread 30 of the nut 7.
  • the respective angled guide plate 4 is first placed on the solid substrate U when the bolt 5 is already seated in the solid substrate U, so that its projection 8 engages in the groove 11 assigned to it.
  • the bolts 5 engage with their threaded portion 32 through the molded for them in the angled guide plate 4 through hole. Subsequently, the respective
  • Tension clamp 3 placed on the associated angle guide plate 4.
  • the threaded portion 32 of the bolt 5 engages in the limited between the legs 15,16 of the middle loop 14 space 17.
  • the end sections sit 25,26 of the respective tension clamp 3 in the respective insulating device 6 and are on them on the respective side of the rail foot. 9 supported.
  • a nut 7 is screwed onto its associated threaded portion 32.
  • the middle loop 14 is braced against the angled guide plate 4 and thus against the solid ground U.
  • the internal thread 30 of the nut 7 has a length sufficient for the transmission of the clamping force to engage with the external thread of the threaded portion 32.
  • the clamps 3 are each prepositioned in a retracted relative to the rail S position and then the respective mother only so far tightened that the clamps 3 are held in their pre-assembly. Subsequently, the rail S can be placed in the laterally bounded by the angled guide plates 4 space. Then then the Tension clamps 3 are moved in the direction of the rail S until they have reached their final assembly position and the nuts 7 can be tightened so far that the clamps 3 exert the required hold-down force on the rail S.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Paper (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Bridges Or Land Bridges (AREA)
  • Ceramic Products (AREA)
  • Road Paving Structures (AREA)
EP09779931A 2008-07-09 2009-06-24 System zum befestigen einer schiene auf einem untergrund Active EP2297402B9 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09779931T PL2297402T3 (pl) 2008-07-09 2009-06-24 System do zamocowania szyny na podłożu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008032354A DE102008032354B3 (de) 2008-07-09 2008-07-09 System zum Befestigen einer Schiene auf einem Untergrund
PCT/EP2009/057927 WO2010003823A1 (de) 2008-07-09 2009-06-24 System zum befestigen einer schiene auf einem untergrund

Publications (3)

Publication Number Publication Date
EP2297402A1 EP2297402A1 (de) 2011-03-23
EP2297402B1 EP2297402B1 (de) 2011-12-21
EP2297402B9 true EP2297402B9 (de) 2012-03-07

Family

ID=40158135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09779931A Active EP2297402B9 (de) 2008-07-09 2009-06-24 System zum befestigen einer schiene auf einem untergrund

Country Status (14)

Country Link
EP (1) EP2297402B9 (ru)
CN (1) CN102089477B (ru)
AT (1) ATE538249T1 (ru)
BR (1) BRPI0915823A2 (ru)
CO (1) CO6341495A2 (ru)
DE (2) DE102008032354B3 (ru)
ES (1) ES2377811T3 (ru)
IL (1) IL210139A (ru)
MA (1) MA32680B1 (ru)
MX (1) MX2011000126A (ru)
PL (1) PL2297402T3 (ru)
PT (1) PT2297402E (ru)
RU (1) RU2491382C2 (ru)
WO (1) WO2010003823A1 (ru)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012025201A1 (de) * 2010-08-27 2012-03-01 Schwihag Ag Schienenbefestigungssystem
GB2510419B (en) * 2013-02-04 2020-02-05 Pandrol Ltd A railway rail anchoring device
EP3049572B1 (de) 2013-09-26 2017-03-29 Heico Befestigungstechnik Gmbh Schienenbefestiger sowie anordnung mit einem solchen schienenbefestiger
WO2015051841A1 (de) * 2013-10-09 2015-04-16 Vossloh-Werke Gmbh Elastisches zwischentück zum klemmen eines schienenfusses
GB2552817A (en) * 2016-08-11 2018-02-14 Pandrol Ltd Improved screwed fastening system for railway rails
CN111041904B (zh) * 2019-12-30 2021-11-02 济南轨道交通集团有限公司 一种减震地铁轨道装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020046B (de) * 1955-04-05 1957-11-28 Vossloh Werke Gmbh Schienenbefestigung auf Schwellen, insbesondere Betonschwellen
FR1521504A (fr) * 1967-03-07 1968-04-19 Forges Et Boulonneries Hermant écrou pour la fixation des crapauds sur les rails des chemins de fer électriques
FR2165101A6 (ru) * 1971-12-17 1973-08-03 Vagneux Traverses Beton
RU94046007A (ru) * 1992-05-13 1996-09-20 Хармс унд Хаффке ГмбХ унд Ко. (DE) Система крепления рельсов на элементах конструкции верхнего строения пути
DE10148726B4 (de) * 2001-10-02 2005-12-15 Krupp GfT Gesellschaft für Technik mbh Befestigungseinrichtung für Fahrschienen
DE10200468A1 (de) * 2002-01-09 2003-07-10 Joerg Albrecht Druckerzeugnis
NL1032700C2 (nl) * 2006-10-18 2008-04-22 H B S Sliedrecht B V Spoorrailconstructie.
DE102008028092A1 (de) * 2008-06-13 2009-12-17 Wirthwein Ag Seitenverstellbare Schienenbefestigung
RU119733U1 (ru) * 2012-05-25 2012-08-27 Исаак Иосифович Абрамович Устройство для крепления рельса к подкрановой балке

Also Published As

Publication number Publication date
EP2297402B1 (de) 2011-12-21
DE102008032354B3 (de) 2009-11-12
PT2297402E (pt) 2012-02-27
WO2010003823A1 (de) 2010-01-14
ATE538249T1 (de) 2012-01-15
ES2377811T3 (es) 2012-04-02
PL2297402T3 (pl) 2012-05-31
EP2297402A1 (de) 2011-03-23
RU2011104481A (ru) 2012-08-20
CN102089477A (zh) 2011-06-08
CO6341495A2 (es) 2011-11-21
DE202008014249U1 (de) 2008-12-24
IL210139A0 (en) 2011-03-31
CN102089477B (zh) 2013-03-27
MA32680B1 (fr) 2011-10-02
IL210139A (en) 2014-01-30
BRPI0915823A2 (pt) 2015-11-03
RU2491382C2 (ru) 2013-08-27
MX2011000126A (es) 2011-02-24

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