EP2044265A1 - Hochelastische schienenbefestigung für gleisanlagen - Google Patents
Hochelastische schienenbefestigung für gleisanlagenInfo
- Publication number
- EP2044265A1 EP2044265A1 EP07801438A EP07801438A EP2044265A1 EP 2044265 A1 EP2044265 A1 EP 2044265A1 EP 07801438 A EP07801438 A EP 07801438A EP 07801438 A EP07801438 A EP 07801438A EP 2044265 A1 EP2044265 A1 EP 2044265A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threshold
- rail
- rail fastening
- fastening according
- screws
- 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
Links
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
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/44—Fastening the rail on the tie-plate
- E01B9/46—Fastening the rail on the tie-plate by clamps
- E01B9/48—Fastening the rail on the tie-plate by clamps by resilient steel clips
- E01B9/483—Fastening the rail on the tie-plate by clamps by resilient steel clips the clip being a shaped bar
Definitions
- the invention relates to a highly elastic rail fastening for track systems, the clamping-like clamping elements has, which are fastened in the mounted state by means of a screw on a trained as a support for a rail steel plate and exert a rail holding in position clamping force, the steel plate with the interposition of a elastic plate is connected to a substrate, such as a threshold body, in particular a concrete sleeper, threshold anchor or the like screw means.
- a substrate such as a threshold body, in particular a concrete sleeper, threshold anchor or the like screw means.
- torsion legs clamp-like clamping elements made of elastic material, in particular hardened steel used, which are arranged in the assembled state between a retaining plate and a fastening anchor.
- the clamping element has two legs, which are designed as torsion elements.
- a rail fastening is known in which widen portions of the outer leg of epsilon-shaped clamping elements enlarging the distance from the inner legs against the rail foot. The successive free ends of the clamping element end outside of the inner legs.
- the clamping element is further designed so that a central web comes to lie in the mounting position at a small distance above the rail and rests in the pre-assembly with its inside on the shaft of the threshold or anchor bolt.
- clamp-like clamping elements rail clamps indirect, non-positive elastic rail fasteners. These are used in the single-track superstructure when increased elasticity and / or damping is necessary. On solid roads (concrete roadway without gravel), the elasticity of the ballast is reproduced by the highly elastic rail fastening; On tunnels in urban areas, the vibrations can be significantly reduced by means of elastic rail fastenings.
- indirect rail fasteners of this type are used in various variants.
- the common feature is that the rail is first fixed to the rib or base plate (steel or cast plate) via its rail foot, and then the ribbed plate is then separately connected to the threshold body (made of wood or concrete) or (on bridges) a concrete slab or a steel beam is connected.
- These indirect, elastic rail fasteners require to prestress the at least one intermediate, elastic plate two threshold anchor (threshold or through bolts or anchor bolt with lock nut) and to clamp the two clamping elements or rail terminals two separate screws, z. B. hook screws.
- the threshold anchor and the clamping elements screws are arranged laterally apart.
- the invention is therefore an object of the invention to provide a generic rail fastening without the disadvantages described, i. in particular to avoid the high bias of the intermediate, elastic plate while allowing a compact, cost-effective fastening system.
- clamp-like clamping elements fastening screws and the threshold anchors or screw means of the steel plate are arranged at a distance from each other superimposed. It can hereby achieve a fastening system that combines the advantages of indirect and direct rail fastening while avoiding their disadvantages.
- the rail is indirectly fastened to the steel plate via the tensioning elements acted upon by the screws on its rail foot and in turn is connected to the sleeper body separately via threshold anchors, the sleeper anchor axles preferably being aligned with the axes of the screws arranged above them , which serve to fasten the clamping elements, are arranged, however, a slight lateral offset would be possible, it can be achieved that the clamping elements or their mounting screws are exposed to no vibration cycling, thus only purely static load. Apart from the very compact design also the high bias of the elastic or highly elastic plate is also avoided.
- clamp-like clamping element is any kind of tension clamp, in the simplest case, a steel plate as a clamping plate. Because the connection of the clamping element / the clamp with the rail and the steel plate is rigid, so that there is hardly any relative movement between the rail and the steel or cast plate to which the clamp is attached, there. The clamping element / clamp thus does not oscillate and therefore does not need to be elastic. The clamping element may only not come loose, which can be achieved by a self-locking nut or a screw, with or without spring ring. With an optional, resilient clamp, the spring force can be used as a safeguard against loosening.
- the horizontal forces can also be absorbed without a lateral angled guide element, if a bolt of long length and high strength is used as the lower screw means, whereby a much lower transverse force application point and thus much smaller lever arm can be achieved so that the bending moment acting on the anchor bolt is significantly lower.
- Such an anchor bolt attachment is particularly suitable for solid roads that consist of simple concrete slabs without thresholds.
- An embodiment of the invention provides that the outer, a shoulder immediately adjacent angled guide plate is formed with a lift-off. This can be a fferankerhalterung or, for example, geometrically integrated in the threshold body. In any case, the installation position is guaranteed by the lift-off protection.
- the mutually facing ends of the screws and the threshold anchors are designed as headers, the heads of the threshold anchors provide an automatic limitation in Gölastfall. For as soon as the distance, occupying the clamping element screw and threshold anchor in the initial mounting position, is overcome, the threshold anchor head piece applies to the opposite screw.
- the head of the screws in the steel or cast plate on which the rail is set possibly with the addition of an intermediate plate or -läge, screwed or locked therein or wedged, z. B. by means of a bayonet closure, be.
- a secure coupling of the upper screw is guaranteed.
- the upper screws are formed according to a proposal of the invention with a through hole, can be in a simple way a direct access to the lower screw or the threshold anchor / anchor bolt by means of a tool, for. B. hexagon socket tool, which can engage in a hexagon socket of the lower head piece reach.
- a tool for. B. hexagon socket tool, which can engage in a hexagon socket of the lower head piece reach.
- the head piece of the threshold anchor is arranged with radial clearance in the through hole of the steel plate.
- a spring element e.g. Spring ring, spring, plate spring, disc spring package, coil spring, coil spring, rubber ring or elastomer spring to provide and assign the threshold anchors below their head pieces in the through holes an insulating collar or sliding bushing.
- This spring element is advantageously an elastic counter bearing for the arranged on the highly elastic intermediate plate steel / cast plate.
- the abutment for the spring element is the head piece, possibly in the form of a screwed, self-locking nut, possibly with washer, the threshold anchor.
- Figure 1 is a schematic representation of the principle of the rail fastening system according to the invention.
- FIG. 2 in plan view as a detail according to the system of FIG. 1 below
- FIG. 3 shows the rail fastening system in cross section along the line IH-III of Fig. 2.
- Fig. 4 the circled circled detail of FIG. 3rd
- Fig. 1 shows the principle of a fastening system with indirect and direct attachment in the longitudinal direction of a rail 1 seen.
- the rail 1 is in this case attached with its rail 2 indirectly to a threshold body 3, and indeed it is fixed with clamp-like clamping elements 4a, 4b to a plate 5 made of steel or cast iron.
- the steel plate 5 in turn is separately connected to the threshold body 3 via threshold anchors 6a, 6b.
- the clamp-like clamping elements 4a, 4b are braced by upper screws 7 with nut screwed against the rail 2.
- Below the steel plate 5 is here an elastic plate 8 and between the rail 2 and the steel plate 5 is a rigid intermediate plate 9 is arranged.
- the screws 7 of the clamp-like clamping elements 4a, 4b and the threshold anchors 6a, 6b are provided in a line, in alignment and at a distance s, thus one above the other, in holder housings 10 (see Fig. 3) formed at both ends of the steel plate 5 ,
- the holder housings 10 have a through hole 11 for receiving the screws 7 and the threshold anchors 6a, 6b, which passes into a threshold anchor bore with a smaller diameter.
- the screws 7 (see Fig. 4) screwed into the holder housing 10 with a head piece 12 or latched therein produce on the clamp-like clamping elements 4a, 4b a clamping force Fs which corresponds to the force Fv of the screw connection.
- the steel plate 5 separately connecting to the threshold body 3 threshold anchor 6a, 6b generate an anchor force Fa, which corresponds to the oppositely acting spring force Ff one of their head pieces 13, possibly provided as Aufschraubmuttern arranged and an abutment performing, spring element 14 corresponds.
- This highly elastic rail fastening system for track systems with a combination of indirect and direct fastening, makes use of the horizon- Talkraftkompone ⁇ te Fh harmless for the threshold anchor 6a, 6b derived in the threshold body 3.
- the transverse or horizontal force Fh of angle members 15a, 15b which adjoin one another in the vertical plane and which adjoin one another in the vertical plane, adjoins cusps or shoulders 16 of the threshold body 3 supported, recorded and transmitted over it into the threshold body 3. Due to the bipartite, the individual angled guide plates 15a, 15b slide against each other as soon as the system is loaded by the railway wheels.
- the depression is hereby automatically limited in Gölastlastfall because after overcoming the distance ⁇ s the head pieces 12 of the screws 7 of the clamping elements 4a, 4b on the head pieces 13 in the through hole 11 of the holder housing 10 of the rib plate 5 with radial clearance and thus movement play arranged threshold anchor 6a, 6b impinge.
- the threshold anchors 6a, 6b are arranged and guided over a cylindrical portion in Isolierkragenbuchsen or sliding bushes 17, which are provided below the spring element 14 of the head pieces 13.
- the each one shoulder 16 of the threshold body 3 directly facing angled guide plate 15b is associated with a lift-off 18, which is formed in the embodiment as an anchor.
- FIG. 2 shows a screw 7 of the clamping elements 4a, 4b and threshold anchors 6a, 6b (not visible in the figure) with the screws 7 lying in one line above the steel plate 5 and thus both indirectly and directly mounted on the sleeper body 3 with its Rail 2 fixed rail 1.
- This mounting system is very compact and therefore cost. It combines in particular the advantages of a direct and indirect rail fastening with harmless recording of the horizontal force components, which are advantageously absorbed by two-part angled guide plates 15a, 15b via shoulders 16 or introduced into the threshold body 3, and allows one lower bias of provided between the steel plate 5 and the sleeper body 3, elastic plate 8 (see Fig. 3).
- oscillatory alternating stresses of the clamp-like clamping elements 4a, 4b are avoided, which also contributes to an increase in the service life of the fastening system.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006033760 | 2006-07-21 | ||
PCT/EP2007/006432 WO2008009451A1 (de) | 2006-07-21 | 2007-07-19 | Hochelastische schienenbefestigung für gleisanlagen |
DE102007033968A DE102007033968A1 (de) | 2006-07-21 | 2007-07-19 | Hochelastische Schienenbefestigung für Gleisanlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2044265A1 true EP2044265A1 (de) | 2009-04-08 |
EP2044265B1 EP2044265B1 (de) | 2011-09-14 |
Family
ID=38922312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07801438A Not-in-force EP2044265B1 (de) | 2006-07-21 | 2007-07-19 | Hochelastische schienenbefestigung für gleisanlagen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2044265B1 (de) |
AT (1) | ATE524611T1 (de) |
DE (1) | DE102007033968A1 (de) |
WO (1) | WO2008009451A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101929111A (zh) * | 2010-09-09 | 2010-12-29 | 中铁隆昌铁路器材有限公司 | 补偿式自锁钢轨弹性扣件 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3720381A1 (de) * | 1987-06-19 | 1989-01-05 | Vossloh Werke Gmbh | Vorrichtung zur befestigung von eisenbahnschienen auf fester fahrbahn |
DE4138576A1 (de) * | 1991-11-23 | 1993-05-27 | Butzbacher Weichenbau Gmbh | Schienenbefestigungsanordnung |
DE4432257C1 (de) * | 1994-09-10 | 1996-03-07 | Zueblin Ag | Schienenbefestigung |
DE102004044875A1 (de) * | 2004-09-14 | 2006-04-13 | Bwg Gmbh & Co. Kg | Schienenbefestigung |
-
2007
- 2007-07-19 EP EP07801438A patent/EP2044265B1/de not_active Not-in-force
- 2007-07-19 WO PCT/EP2007/006432 patent/WO2008009451A1/de active Application Filing
- 2007-07-19 DE DE102007033968A patent/DE102007033968A1/de not_active Withdrawn
- 2007-07-19 AT AT07801438T patent/ATE524611T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO2008009451A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2044265B1 (de) | 2011-09-14 |
ATE524611T1 (de) | 2011-09-15 |
WO2008009451A1 (de) | 2008-01-24 |
DE102007033968A1 (de) | 2008-02-14 |
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