WO2013004437A1 - Élément d'installation d'aiguillage - Google Patents

Élément d'installation d'aiguillage Download PDF

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Publication number
WO2013004437A1
WO2013004437A1 PCT/EP2012/060161 EP2012060161W WO2013004437A1 WO 2013004437 A1 WO2013004437 A1 WO 2013004437A1 EP 2012060161 W EP2012060161 W EP 2012060161W WO 2013004437 A1 WO2013004437 A1 WO 2013004437A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaped body
block
rail
end sides
geometries
Prior art date
Application number
PCT/EP2012/060161
Other languages
German (de)
English (en)
Inventor
Dieter HAMPEL
Xaver ESSER
Andreas Lahrmann
Original Assignee
Thyssenkrupp Gft Gleistechnik 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 Thyssenkrupp Gft Gleistechnik Gmbh filed Critical Thyssenkrupp Gft Gleistechnik Gmbh
Publication of WO2013004437A1 publication Critical patent/WO2013004437A1/fr

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
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/12—Fixed frogs made of one part or composite

Definitions

  • the present invention relates to a switch plant component having a top part and a bottom part, which are connected to one another in order to form a block-shaped body, wherein the block-shaped body has opposite end sides, to which at least one rail can be arranged.
  • a points system component with an upper part and with a lower part is known, which are arranged one above the other connected to one another to form a block-shaped body, wherein the block-shaped body has opposite end sides, to which at least one rail can be arranged,
  • the lower part forms a heart block of conventional, weldable rail steel
  • the upper part forms a core insert made of a manganese steel.
  • the block-shaped body with its outer dimensions is already formed by the core block, and the core insert is only used in a recess in the core block.
  • fitting screws must be provided with which the core insert in an undercut in the recess is held.
  • the connection technology between the core insert and the core block is expensive, and the fitting screws can be solved during operation of the points system component.
  • switch plant components in the form of block-shaped bodies consist of an upper part and a lower part, and the upper part and the lower part are welded together at the edges.
  • the outer contours of the upper part and the lower part are carried out the same, and the Weld encloses the upper part and lower part substantially in the division plane substantially.
  • the object of the present invention to provide a points system component with an upper part and a lower part, with which the disadvantages of the prior art described above are avoided, which is easy to straighten and has a simple and permanent connection between the upper part and lower part.
  • the invention includes the technical teaching that the upper part and the lower part have mutually corresponding positive locking geometries, by which the upper part is completely connectable to the lower part at least in Kopfzug direction.
  • connection according to the invention between the upper part and the lower part advantageously utilizes the possibility of providing form-fitting geometries between the upper part and the lower part which correspond to each other in such a way that the upper part can be connected to the lower part completely, that is without the aid of further connecting means and with the exclusion of welding methods ,
  • the connection between the upper part and the lower part can be performed free of screw and welded joints, which could be solved in the operation of the points system component, and the require increased manufacturing and assembly.
  • the interlocking geometries can be introduced on the upper part and on the lower part on the respectively mutually facing sides of the parts, but without limiting the formation of positive locking geometries on the sides facing each other.
  • the upper part can also be encompassed laterally by the dividing part, as a result of which a positive connection between the upper part and the lower part can also be produced in the sense of the present invention.
  • the bock-shaped body is preferably formed by an upper part and a lower part, which have a substantially uniform circumferential contour in the lateral direction in the parting plane.
  • the two parts are arranged overlapping each other, so that the underside of the upper part of the upper side of the lower part is opposite.
  • the form-fitting geometries corresponding to one another are introduced on the opposing sides, and if the upper part is connected to the lower part, then the connection is produced in the direction of the direction of the head and can be mechanically loaded.
  • the Kopfzugraum describes a substantially vertical direction, which forms a surface normal to the dividing plane of the block-shaped body between the upper part and the lower part.
  • the Kopfzug direction thus forms the transverse direction to a longitudinal direction of the switch plant component, which extends approximately between the opposite end sides of the block-shaped body.
  • connection of the upper part and the lower part is not limited solely to the Kopfzugides, and the compound can also be mechanically loaded transversely to the direction of Kopfzugides.
  • the upper part and the lower part can have at least one welded connection on one or both of the opposite end sides.
  • a plurality of welded connections can be provided on each of the end sides.
  • a first welded joint may be formed on one end side as an auxiliary welding, by which the upper part and the lower part are welded together in mutual positive locking position, wherein the welded joint is designed such that between the upper and lower part neither during a subsequent straightening process nor during driving of the Switching plant component is carried out by a rail vehicle in a subsequent operation, a relative movement of the upper and lower parts.
  • At least one rail can be welded to the end side or to the end sides, whereby a further welded connection is formed.
  • the welded joint for connecting the rail to the end side of the block-shaped body thereby extends both over the end side part of the lower part and over the end side part of the upper part.
  • the weld joint for connecting the rail to the end side of the block-shaped body extends over the entire height of the rail, hence both the height of the rail foot, the rail web and the rail head.
  • the auxiliary welding which is consequently located approximately at the height of the rail web, avoids the occurrence of stress peaks in material regions of the rail which can lead to crack formation in the rail web due to the notch effect.
  • the auxiliary weld may be slit, for example, the auxiliary weld may be provided in the region of abutment molding on the end faces of the block-shaped body formed by machining in the end faces.
  • a corresponding impact molding can be provided, and a Hiifssch spaung can be made to each of these An explicatformlessness.
  • connection of the upper part and the lower part for receiving straightening forces in the abutting region of the rail can be made possible, as an alternative to Hiifssch spaung by connecting means, for example by connecting bolts, connecting straps, connecting plates or other connecting means.
  • connecting means for example by connecting bolts, connecting straps, connecting plates or other connecting means.
  • the welded connection for connecting the at least one rail to at least one of the opposite End pages are formed.
  • the arrangement of the welded joint on at least one end side of the bock-shaped body avoids that the Formschius can solve between the upper part and the lower part.
  • the upper part and the lower part can no longer be displaced in the longitudinal direction relative to one another with further advantage, as a result of which the mold between the upper part and the upper part Lower part could be solved.
  • these can run in a wedge shape in a longitudinal direction, wherein the longitudinal direction preferably extends between the end sides.
  • the wedge shape results between the end sides along the longitudinal direction.
  • the upper part and the lower part For joining the upper part and the lower part, these can be moved in the longitudinal direction against each other, and by the wedge-shaped form-fitting geometries, the positive locking position on the movement in the longitudinal direction is achieved when the upper part opposite the lower part assumes the desired position for forming the bock-shaped body.
  • the wedge-shaped inflow of the form-fitting geometries in the longitudinal direction can be made to a point that is outside the bock-shaped body.
  • the interlocking geometries can be formed by at least one undercut and at least one in the undercut engageable Anformung.
  • the undercut can be formed by a dovetail groove and the Anformung can for example by a dovetail to create a dovetail joint between the upper part and the lower part.
  • a T-piece can be introduced at one part and a recess at the opposite part into which the T-piece can engage.
  • the T-piece and the recess can taper in a wedge shape to create a positive locking position, which is achieved when the upper part placed opposite the lower part in the joining position. The joining position is achieved in particular when the mutually facing sides of the
  • the upper part may be made of a steel material of high quality and the lower part may be formed of a steel material of low quality.
  • the dividing plane between the upper part and the lower part to form the blck-shaped body may be formed so that the block-shaped body is formed predominantly of the material of the lower part, namely a low-quality steel material, thus material costs can be saved, and the Materia! high quality, which comes into contact with the rail vehicle and must be wear-resistant, forms the lowest possible mass fraction of the block-shaped body.
  • the block-shaped body and in particular the upper part of the same can for example form the heart of a switch and / or an intersection and / or in particular a tongue bed.
  • the block-shaped body may form a simple frog, block tip or onoblock for turnouts with grooved rails.
  • the block-shaped body can form the heart of a switch a so-called Weichengroßteil that allows unhindered running of the wheels of the rail vehicle at the intersection points of two rail tracks. This allows both crossings, branch pieces. Connecting pieces and / or so-called tongue pieces may be formed by the switch plant component according to the invention.
  • the object of the present invention is further achieved by a method for producing a switch plant component having a top part and a bottom part, which are connected to one another in order to form a block-shaped body, wherein the block-shaped body has opposite end sides, to which at least one Rail is arranged, wherein the method comprises at least the steps of introducing a form-locking geometry in the upper part, introducing a corresponding with the positive locking geometry in the upper part form fit geometry in the lower part and the connection of the upper part with the lower part on the positive locking geometries in Kopfzug direction, in particular while avoiding further connection means , where the positive locking geometries in upper and lower part in such a way correspond to each other that in Kopfzugides a positive connection between upper and lower part can be realized.
  • the method can be further developed by the step of connecting the upper part to the lower part by displacing the upper part and the lower part against each other in a longitudinal direction.
  • undercuts and corresponding projections for example a dovetail groove and a dovetail, can be slid into each other until a positive locking position of the upper part relative to the lower part is achieved.
  • the method may include the step of creating at least one weld joint on one or both of the opposite end faces.
  • the production of the at least one weld joint can be achieved by a Hiifssch conductedung on at least one of the opposite end sides, by which the upper part and the lower part are welded together in mutual positive locking position.
  • the at least one welded connection can be produced by connecting the at least one rail to at least one of the opposite end sides. This ensures that the upper part is held in relation to the lower part in the form-locking position
  • the mechanical strength of the upper part relative to the lower part in particular in Kopfzugraum is achieved by the positive connection between the upper part and the lower part, and not, preferably not substantially by the welded joint.
  • a straightening step of the switch system component can be provided, wherein in the Weichenanlagenbauteii straightening forces are introduced via the welded rails in the bock-shaped body.
  • abutment formations can be milled into these end faces, and when the upper part and the lower part are joined together, the abutment shapes correspond to the profile of the rail. Furthermore, grooves for guiding the wheel flange of the wheels of the rail vehicle can be introduced by milling process in the upper part.
  • the milling operations can be the formschiüssigen joining precede the upper and lower part, so that they are supplied with oversize or with final dimension of the mutual joining.
  • FIG. 1 is a perspective view of a Weichenaniagenbauieils with an upper part and with a lower part and a rail in a non-mounted, flying view
  • FIG. 2 is a plan view of a points system component with welded rails
  • Figure 3 is a cross-sectional view through the block-shaped body of
  • FIG. 4b a part of a diverter component with an integrally formed dovetail
  • FIG. 5 is a plan view of a switch plant component with a block-shaped body which forms a switch frog.
  • FIG. 8 shows a cross-sectional view through the switch frog according to the section line B-B according to FIG. 5, FIG.
  • FIG. 7 a shows a top part of a switch plant construction part, which forms a block tip
  • FIG. 7b shows a lower part of a switch plant construction part, which forms a block tip
  • Figure 8 is a plan view of a points system component with a tongue which is received in a tongue bed and 9 shows a cross-sectional view of the tongue bed according to the section line CC in FIG. 8.
  • Figure 1 shows a perspective view of an embodiment of a points system component 1 with the features of the present invention
  • the points system component 1 has an upper part 2 and a lower part 3, which are shown in an unassembled manner flying superimposed.
  • the upper part 2 has on the lower part 3 side facing FormQuerygeometne 8 on »which forms a dovetail.
  • the lower part 3 has a positive locking geometry 7, which is designed as a dovetail groove 7.
  • the upper part 2 can be connected to the lower part 3 by the dovetail 8 is locked in the dovetail 7.
  • the form-fitting geometries 7 and 8 run in a wedge-shaped manner in a longitudinal direction 12, the longitudinal direction 12 extending between mutually opposite end sides 4 and 5 of the upper part 2 and of the lower part 3.
  • the upper part 2 can be brought by a movement in the longitudinal direction 12 in the lower part 3 in a form-fitting position, so that the upper part 2 is fully connected to the lower part 3 already by the positive connection of the positive locking geometries 7 and 8 in Kopfzugraum 9.
  • the Kopfzugraum 9 preferably forms a vertical direction of the formed by the upper part 2 and the lower part 3 block-shaped body, however, in the context of the present invention, the Kopfzugides 9 describes each direction perpendicular to the longitudinal direction 12, so that the upper part 2 relative to the lower part 3 by the positive connection, for example, in the transverse direction firmly connected and thus mechanically loaded.
  • the block-shaped body of the points system component 1 forms the heart of a switch and / or a crossing and / or a tongue bed, and on the upper side of the upper part 2 grooves 13 are introduced in a crossing manner through which the wheel flange of the wheel of a rail vehicle can run.
  • the upper part 2 has a steel material of high quality and the lower part 3 has a steel material of low quality, and is achieved by the split design of the block-shaped body, that this does not have to be made entirely of steel material of high quality. If the upper part 2 and the lower part 3 are positively connected with each other, then auxiliary welds 10 can be provided on the opposite end sides 4 and 5, by which the upper part 2 and the lower part 3 are welded together in the region of the end sides 4 and 5.
  • the end faces 4 and 5 have, for example, abutment formations 14 formed by milling operations, and when the top part 2 and the bottom part 3 are connected together, the abutment formations 14 correspond to the profile of the rail 8 for respectively arranging a corresponding number of rails 6 on the end faces 4 and 5, the auxiliary welds 10 are provided in the region of the rail web, in which the dividing plane of the upper part 2 and the lower part 3 is located and are indicated in the melting of the intended joining zone, which can lead around the U-shaped web end.
  • FIG. 2 shows a plan view of a switch plant component 1 with a block-shaped body which is formed by the upper part 2 and the lower part 3, which are arranged one above the other. At the end faces 4 and 5 rails 6 are arranged via respective welded joints 11, which together with the upper part 2 and the lower part 3 form the switch plant component 1.
  • FIG. 3 shows a cross-sectional view along the section line AA according to FIG. 2.
  • the cross section shows the switch plant component 1 with the upper part 2 in positive engagement with the lower part 3, and in the upper part 2 a dovetail groove 7 is introduced by way of example, into which a dovetail 8 is inserted is formed on the lower part 3. Consequently, the formation of the positive locking geometries 7 and 8 with an undercut 7 and a Anformung 8 take place according to Figure 1, in which the Anformung 8 is arranged on the upper part 2, and the undercut 7 is formed on the lower part 3.
  • the interlocking geometry 7 and 8 may be formed in the reverse manner, so that the undercut 7 in the upper part 2 and the Anformung 8 are arranged on the lower part 3.
  • FIG. 4 a shows a top part 2 in a top view and a side view
  • a bottom part 3 is shown in a plan view and a side view
  • the views of the upper part 2 and the lower part 3 show the positive locking geometries 7 and 8, and by way of example a dovetail groove 7 in the upper part 2 and a dovetail 8 in the lower part 3 is introduced.
  • the illustration shows the interlocking geometries 7 and 8 along the longitudinal direction 12, which extends between the end sides 4 and 5.
  • the form-fitting geometries 7 and 8 converge toward one another in the direction of the end side 5, wherein the wedge angle ⁇ is made so small that the point in which the flanks 15 and 16 of the positive locking geometries 7 and 8 meet far outside of the upper part 2 and Parts 3 is located.
  • FIG. 5 another switch plant component 1 is shown that has a block tip, which is formed by the upper part 2 and the lower part 3. At the block top two rails 6 are welded via welded joints 1 1. Adjacent to the block tip wing rails 17 are arranged
  • FIG. 6 shows a cross-sectional view of the arrangement of the block tip, formed by the upper part 2 and the lower part 3, between the wing rails 17.
  • the wing rails 17 are bolted to the lower part 3 with a bolt 18 in block form.
  • the lower part 3 has a dovetail 8, which is locked in a dovetail 7, which is introduced in the upper part 2.
  • Figure 7a shows a plan view and a side view of the upper part 2 and Figure 7b shows a plan view and a side view of the lower part 3 to form the
  • Block tip according to Figures 5 and 6.
  • the Dovetail 7 introduced
  • the lower part 3 is a
  • Dovetail 8 formed, which can be locked in the dovetail 7 in the upper part 2.
  • the block tip has a first end side 4, to which rails 6 are welded, and the opposite tip terminates in a corresponding gap between the wing rails 17.
  • FIG. 8 shows a switch plant component 1 with a tongue 19, and the switch plant component 1 has a block-shaped body in the tongue area, which is formed by the upper part 2 and the lower part 3.
  • a rail 6 with a single welded joint 11 and at a second end side 5 two rails 6 with respective welded joints 1 1 are welded to the block-shaped body.
  • the switch plant component 1 according to FIG. 8 is shown in FIG. 9 in a cross section along the section line C-C.
  • the tongue 19 is movably received in the transverse direction 20, so that the upper part 2 forms a tongue bed.
  • the upper part 2 is connected to the lower part 3 by positive locking geometries 7 and 8, which are formed in the upper part 2 as a dovetail groove 7 and on the lower part 3 as a dovetail 8.
  • the invention is not limited in its execution to the above-mentioned preferred embodiment. Rather, a number of variants is conceivable, which makes use of the illustrated solution even with fundamentally different types of use. Any features and / or advantages resulting from the claims, the description or the drawings, including constructive details, spatial arrangements and method steps, can be essential to the invention, both individually and in the most diverse combinations.
  • the invention is not limited to a positive locking geometry 7 and 8, which is designed in the manner of a dovetail joint.
  • T-slots or other types of undercuts form a possibility for connecting the upper part 2 to the lower part 3.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

L'invention concerne un élément d'installation d'aiguillage (1) et un procédé de fabrication d'un élément d'installation d'aiguillage (1) comprenant une partie supérieure (2) et comprenant une partie inférieure (3), lesquelles sont reliées l'une à l'autre et juxtaposées afin de former un corps en forme de bloc. Le corps en forme de bloc comporte des faces d'extrémité (4, 5) opposées sur lesquelles peuvent être disposés le ou les rails (6). Selon l'invention, la partie supérieure (2) et la partie inférieure (3) présentent des géométries à conjugaison de forme (7, 8) correspondant l'une à l'autre et permettant de relier entièrement la partie supérieure (2) à la partie inférieure (3) dans la direction du train de tête (9).
PCT/EP2012/060161 2011-07-04 2012-05-30 Élément d'installation d'aiguillage WO2013004437A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011106385.8 2011-07-04
DE102011106385A DE102011106385A1 (de) 2011-07-04 2011-07-04 Weichenanlagenbauteil

Publications (1)

Publication Number Publication Date
WO2013004437A1 true WO2013004437A1 (fr) 2013-01-10

Family

ID=46201633

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/060161 WO2013004437A1 (fr) 2011-07-04 2012-05-30 Élément d'installation d'aiguillage

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WO (1) WO2013004437A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007430B1 (fr) * 2013-06-25 2015-06-19 Newtl Croisement de rails prevu pour le croisement d'un rail de guidage avec un second rail.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB256434A (en) * 1925-10-17 1926-08-12 David Denis Williams Improvements in and relating to railway and like rails
DE3339442C1 (de) * 1983-10-29 1985-05-02 Schreck-Mieves GmbH, 4600 Dortmund Herzstueck fuer Weichen oder Kreuzungen und Verfahren zur Herstellung eines solchen Herzstueckes
EP1657361A2 (fr) * 2004-11-10 2006-05-17 Schreck-Mieves GmbH Coeur pour aiguillages
AT505047A1 (de) * 2007-04-10 2008-10-15 Richard Pfanzelter Weichenherz

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112881C (fr) *
DE548749C (de) * 1929-05-31 1932-04-18 Ver Stahlwerke Ag Aus mehreren voneinander loesbaren Stuecken zusammengesetztes Herzstueck von Kreuzungen, Kreuzungsweichen u. dgl.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB256434A (en) * 1925-10-17 1926-08-12 David Denis Williams Improvements in and relating to railway and like rails
DE3339442C1 (de) * 1983-10-29 1985-05-02 Schreck-Mieves GmbH, 4600 Dortmund Herzstueck fuer Weichen oder Kreuzungen und Verfahren zur Herstellung eines solchen Herzstueckes
EP1657361A2 (fr) * 2004-11-10 2006-05-17 Schreck-Mieves GmbH Coeur pour aiguillages
AT505047A1 (de) * 2007-04-10 2008-10-15 Richard Pfanzelter Weichenherz

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