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EP2122055B1 - Method for the production of ties for railway switches - Google Patents

Method for the production of ties for railway switches Download PDF

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Publication number
EP2122055B1
EP2122055B1 EP08706730.2A EP08706730A EP2122055B1 EP 2122055 B1 EP2122055 B1 EP 2122055B1 EP 08706730 A EP08706730 A EP 08706730A EP 2122055 B1 EP2122055 B1 EP 2122055B1
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EP
European Patent Office
Prior art keywords
sleeper
tensioning
points
sleepers
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
EP08706730.2A
Other languages
German (de)
French (fr)
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EP2122055A1 (en
Inventor
Wolfgang Reinig
Gundolf Spitzner
Stephan Freudenstein
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Rail One GmbH
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Rail One GmbH
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Publication date
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Publication of EP2122055A1 publication Critical patent/EP2122055A1/en
Application granted granted Critical
Publication of EP2122055B1 publication Critical patent/EP2122055B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • B28B23/043—Wire anchoring or tensioning means for the reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • B28B23/046—Post treatment to obtain pre-stressed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • B28B23/06—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed for the production of elongated articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
    • B28B23/10—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed the shaping being effected by centrifugal or rotational moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/26—Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
    • E01B3/34—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation

Definitions

  • the invention relates to a method for the production of switch sleepers, by circulation.
  • Switches are track designs that enable rail vehicles without interruption to move from one track to another.
  • the switches lie on special switch sleepers, which are longer than normal sleepers and today are preferably made of prestressed concrete.
  • a switch with a typical length of 30 to 150 meters and a typical distance between the sleepers of 0.6 meters requires a large number of different switch sleepers, which differ in terms of their length and the mounting position of rail fasteners. The construction of a switch and the production of the required switch sleepers is thus much more complex compared to a normal rail carriageway.
  • Switch sleepers were previously manufactured in the so-called long-sized fitted bed. For this method, a large number of different length bottom plates is required, which are arranged one behind the other in the longitudinal direction (see DE 198 36 320 A1 ).
  • the long bed can be 100 or 150 meters long, so this process requires a lot of space.
  • As a reinforcement usually several tension rods are used, which are pulled through the clamping bed and tensioned. After the concrete filled in the molds has optionally hardened with the introduction of heat, the clamping bars are cut apart between the molds so that individual pre-stressed switch sleepers are formed. This manufacturing process is comparatively slow and inflexible.
  • the invention has for its object to provide a method for producing switch sleepers, which can be performed easier and more flexible.
  • a method for producing switch sleepers which differ in each case with respect to their length and the mounting position of rail fasteners, provided in the circulation method, comprising the following steps: Attaching one or more Abstellbleche and / or one or more inner molds in one Sleeper shape, according to the length and the shape of the turnout threshold to be manufactured or using at least one adapted to the geometry of the turnout threshold to be manufactured threshold shape; Inserting tension rods as reinforcement; automatic simultaneous tensioning of the tensioning rods with spindle pairs, each tensioning rod being tensioned individually; Pouring concrete into the sleeper mold; Curing the switch threshold; Demoulding the turnout threshold.
  • the invention is based on the finding that the production of switch sleepers is possible by the threshold shapes are adapted by Abstellbleche or inner molds (mold inlays) to the different lengths and the different mounting positions of the rail fasteners of the individual switch sleepers.
  • a sleeper mold can either be made suitable for the respective turnout threshold or can be adapted to the geometry of the turnout sleeper by means of mold inlays or be adapted to different turnout sleepers by means of storage shelves.
  • the sleeper molds are then suitably set up by means of the shelves and / or the inner molds. In the first place lay the shelves or the inner molds, the lateral ends of a switch threshold and thus their length, moreover, also the attachment position of rail fasteners can be adjusted by appropriate Abstellbleche or other inserts in the sleeper shape.
  • the production takes place in direct composite, wherein after insertion and clamping of the Tension rods as reinforcement of the concrete is poured into the sleeper shape. After hardening and demoulding of the points threshold to get a prestressed points threshold, the production of which is completed by the installation of rail fasteners.
  • An adaptation to different threshold lengths is carried out by used in the sleeper mold shelves and / or inner molds (mold inlays).
  • the clamping rods are held individually at one end in each case by means of an anchor and at the opposite end by means of a clamping device, wherein the armature and the clamping device on the or a shelf and / or an inner mold and / or a Front side of the sleeper shape is supported or are.
  • a threshold form in which two, three, four or more side-by-side switch sleepers are produced.
  • a sleeper shape either a shim may be used that is mounted across the sleepers and thus limits the length of all sleepers in the sleeper shape; alternatively, four sleepers may be used in a sleeper mold including four sleepers so that four different sleepers are simultaneously manufactured can be.
  • four sleepers may be used in a sleeper mold including four sleepers so that four different sleepers are simultaneously manufactured can be.
  • several, for example four, different inner forms to be incorporated or inserted into a sleeper mold, or the shape can be adapted to a plurality of, for example four, different geometries.
  • a switch threshold is provided with four tension rods or prestressing steels.
  • the four tensioning bars or tensioning steels can be clamped automatically, the tensioning being carried out simultaneously and individually for all tensioning bars.
  • Fig. 1A shows a first threshold form, which can be used in the method according to the invention for the production of switch sleepers in the circulation process.
  • the sleeper mold 1 is designed as a multiple mold in which four switch sleepers can be produced simultaneously.
  • the threshold form is an open-topped box and is divided by partitions 2 into four sections, in each of which a switch threshold can be made.
  • Abstellbleche 3 can be used to vary the interior of the sleeper mold 1, in particular, so that the length of a switch point to be manufactured can be changed.
  • the Abstellbleche 3 can be mounted in different ways in the sleeper mold 1, for example via a screw, a connector or by inserting into a threshold form side groove.
  • the attachment can be done by welding or a magnetic holder or the like.
  • the sleeper mold 1 corresponding fastening devices are provided, so that the storage shelves 3 are flexibly positioned and easily removed again and used at another location.
  • the Abstellbleche are continuously fastened in the sleeper shape, so that any desired length of a switch threshold can be made.
  • the shelves for multiple turnout sleepers can be positioned in the same place in the sleeper mold 1, alternatively, each of the four switch sleepers, with the in Fig. 1 shown threshold form 1, have a different length.
  • the shelves devices or inserts are mounted for rail fasteners in the form whose position varies with the length of the switch threshold. These fasteners can also be flexibly positioned at different locations of the sleeper mold 1.
  • FIGS. 1B, 1C and 1D show other forms of sleep, in which three, two or only a single turnout can be made simultaneously.
  • FIGS. 2A, 2B and 2C show a section of a threshold form in different views.
  • Fig. 2A is a sectional side view of a sleeper mold 4th
  • Fig. 2B shows the associated plan view
  • Fig. 2C shows a front view of the sleeper shape.
  • tie rods 5 presttressing steels
  • Fig. 2C As in Fig. 2C can be seen, four tie rods 5 are used per turnout threshold.
  • the tie rods 5 are held by anchor bolts 6, which are supported on the side wall 7 of the sleeper mold 4. At the opposite end of the sleeper mold 4, the tie rods 5 are fixed with clamping bolts 8, which are supported on the side wall 9 of the sleeper mold 4. Before filling concrete, the tie rods 5 are biased by a nut 10 according to the static requirements of the switch threshold.
  • 4 shelves are used in the sleeper shape, but in the FIGS. 2A to 2C are not shown for reasons of clarity.
  • further inserts may be provided for the sleeper mold 4 to create a special profiling of the switch sleeper or to create mounting points of rail fasteners.
  • switch threshold 11 is in the FIGS. 3A to 3C shown in different views.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Railway Tracks (AREA)
  • Forging (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Herstellung von Weichenschwellen, im Umlaufverfahren.The invention relates to a method for the production of switch sleepers, by circulation.

Weichen sind Gleiskonstruktionen, die Schienenfahrzeugen ohne Fahrtunterbrechung den Übergang von einem Gleis auf ein anderes ermöglichen. Die Weichen liegen auf speziellen Weichenschwellen, die länger als normale Schwellen sind und heutzutage vorzugsweise aus Spannbeton hergestellt sind. Eine Weiche mit einer typischen Länge von 30 bis 150 Metern und einem typischen Abstand zwischen den Weichenschwellen von 0,6 Meter erfordert eine große Anzahl unterschiedlicher Weichenschwellen, die sich hinsichtlich ihrer Länge und der Befestigungsposition von Schienenbefestigungen unterscheiden. Der Bau einer Weiche und die Herstellung der erforderlichen Weichenschwellen ist somit wesentlich aufwändiger im Vergleich zu einer normalen Schienenfahrbahn.Switches are track designs that enable rail vehicles without interruption to move from one track to another. The switches lie on special switch sleepers, which are longer than normal sleepers and today are preferably made of prestressed concrete. A switch with a typical length of 30 to 150 meters and a typical distance between the sleepers of 0.6 meters requires a large number of different switch sleepers, which differ in terms of their length and the mounting position of rail fasteners. The construction of a switch and the production of the required switch sleepers is thus much more complex compared to a normal rail carriageway.

Weichenschwellen wurden bisher im so genannten langen Spannbett hergestellt. Für dieses Verfahren wird eine große Anzahl unterschiedlich langer Bodenbleche benötigt, die in Längsrichtung hintereinander angeordnet werden (siehe DE 198 36 320 A1 ). Das lange Spannbett kann durchaus 100 oder 150 Meter lang sein, dieses Verfahren erfordert somit einen hohen Platzbedarf. Als Bewehrung werden zumeist mehrere Spannstäbe verwendet, die durch das Spannbett gezogen und gespannt werden. Nachdem der in die Formen gefüllte Beton gegebenenfalls unter Wärmezufuhr ausgehärtet ist, werden die Spannstäbe zwischen den Formen auseinandergesägt, sodass einzelne vorgespannte Weichenschwellen entstehen. Dieses Herstellungsverfahren ist vergleichsweise langsam und unflexibel.Switch sleepers were previously manufactured in the so-called long-sized fitted bed. For this method, a large number of different length bottom plates is required, which are arranged one behind the other in the longitudinal direction (see DE 198 36 320 A1 ). The long bed can be 100 or 150 meters long, so this process requires a lot of space. As a reinforcement usually several tension rods are used, which are pulled through the clamping bed and tensioned. After the concrete filled in the molds has optionally hardened with the introduction of heat, the clamping bars are cut apart between the molds so that individual pre-stressed switch sleepers are formed. This manufacturing process is comparatively slow and inflexible.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu Herstellung von Weichenschwellen anzugeben, das einfacher und flexibler durchgeführt werden kann.The invention has for its object to provide a method for producing switch sleepers, which can be performed easier and more flexible.

Zur Lösung dieser Aufgabe ist erfindungsgemäß ein Verfahren zur Herstellung von Weichenschwellen, die sich jeweils hinsichtlich ihrer Länge und der Befestigungsposition von Schienenbefestigungen unterscheiden, im Umlaufverfahren vorgesehen, das die folgenden Schritte umfasst: Befestigen eines oder mehrerer Abstellbleche und/oder einer oder mehrerer Innenformen in einer Schwellenform, entsprechend der Länge und der Form der zu fertigenden Weichenschwelle oder Verwenden wenigstens einer an die Geometrie der zu fertigenden Weichenschwelle angepassten Schwellenform; Einsetzen von Spannstäben als Bewehrung; automatisches gleichzeitiges Spannen der Spannstäbe mit Spindelpaaren, wobei jeder Spannstab einzeln gespannt wird; Einfüllen von Beton in die Schwellenform; Aushärtenlassen der Weichenschwelle; Entformen der Weichenschwelle.To achieve this object, a method for producing switch sleepers, which differ in each case with respect to their length and the mounting position of rail fasteners, provided in the circulation method, comprising the following steps: Attaching one or more Abstellbleche and / or one or more inner molds in one Sleeper shape, according to the length and the shape of the turnout threshold to be manufactured or using at least one adapted to the geometry of the turnout threshold to be manufactured threshold shape; Inserting tension rods as reinforcement; automatic simultaneous tensioning of the tensioning rods with spindle pairs, each tensioning rod being tensioned individually; Pouring concrete into the sleeper mold; Curing the switch threshold; Demoulding the turnout threshold.

Der Erfindung liegt die Erkenntnis zugrunde, dass die Herstellung von Weichenschwellen möglich ist, indem die Schwellenformen durch Abstellbleche oder Innenformen (Formeninlays) an die verschiedenen Längen und die unterschiedlichen Befestigungspositionen der Schienenbefestigungen der einzelnen Weichenschwellen angepasst werden. Eine Schwellenform kann entweder passend für die jeweilige Weichenschwelle hergestellt sein oder durch Formeninlays an die Geometrie der Weichenschwelle angepasst werden bzw. durch Abstellbleche an unterschiedlich lange Weichenschwellen angepasst werden.The invention is based on the finding that the production of switch sleepers is possible by the threshold shapes are adapted by Abstellbleche or inner molds (mold inlays) to the different lengths and the different mounting positions of the rail fasteners of the individual switch sleepers. A sleeper mold can either be made suitable for the respective turnout threshold or can be adapted to the geometry of the turnout sleeper by means of mold inlays or be adapted to different turnout sleepers by means of storage shelves.

Im Extremfall wird lediglich eine einzige Weichenschwelle einer bestimmten Größe benötigt. Zur Herstellung werden dann die Schwellenformen mittels der Abstellbleche und/oder der Innenformen passend eingerichtet. In erster Linie legen die Abstellbleche oder die Innenformen die seitlichen Enden einer Weichenschwelle und damit ihre Länge fest, darüber hinaus kann auch die Befestigungsposition von Schienenbefestigungen durch entsprechende Abstellbleche oder andere Einsätze in der Schwellenform angepasst werden.In extreme cases, only a single turnout threshold of a certain size is needed. For production, the sleeper molds are then suitably set up by means of the shelves and / or the inner molds. In the first place lay the shelves or the inner molds, the lateral ends of a switch threshold and thus their length, moreover, also the attachment position of rail fasteners can be adjusted by appropriate Abstellbleche or other inserts in the sleeper shape.

Bei diesem Verfahren zur Herstellung von Weichenschwellen erfolgt die Herstellung im direkten Verbund, wobei nach dem Einsetzen und Spannen der Spannstäbe als Bewehrung der Beton in die Schwellenform eingefüllt wird. Nach dem Aushärtenlassen und Entformen der Weichenschwelle erhält man eine vorgespannte Weichenschwelle, deren Herstellung durch die Montage von Schienenbefestigungen abgeschlossen wird. Eine Anpassung an unterschiedliche Schwellenlängen erfolgt dabei durch in die Schwellenform eingesetzte Abstellbleche und/oder Innenformen (Formeninlays).In this method for producing sleepers, the production takes place in direct composite, wherein after insertion and clamping of the Tension rods as reinforcement of the concrete is poured into the sleeper shape. After hardening and demoulding of the points threshold to get a prestressed points threshold, the production of which is completed by the installation of rail fasteners. An adaptation to different threshold lengths is carried out by used in the sleeper mold shelves and / or inner molds (mold inlays).

Gemäß dem erfindungsgemäßen Verfahrens ist es vorgesehen, dass die Spannstäbe einzeln an einem Ende jeweils mittels eines Ankers und an dem gegenüberliegenden Ende mittels einer Spannvorrichtung gehalten werden, wobei der Anker und die Spannvorrichtung an dem oder einem Abstellblech und/oder einer Innenform und/oder einer Stirnseite der Schwellenform abgestützt ist bzw. sind.According to the inventive method, it is provided that the clamping rods are held individually at one end in each case by means of an anchor and at the opposite end by means of a clamping device, wherein the armature and the clamping device on the or a shelf and / or an inner mold and / or a Front side of the sleeper shape is supported or are.

Um die Effizienz des erfindungsgemäßen Verfahrens zu erhöhen, kann eine Schwellenform verwendet werden, in der zwei, drei, vier oder mehr nebeneinander angeordnete Weichenschwellen hergestellt werden. Bei einer derartigen Schwellenform kann entweder ein Abstellblech verwendet werden, das quer zu den Schwellen angebracht wird und somit die Länge sämtlicher Schwellen in der Schwellenform begrenzt, alternativ können bei einer beispielsweise vier Weichenschwellen enthaltenden Schwellenform vier separate Abstellbleche verwendet werden, sodass vier unterschiedliche Weichenschwellen gleichzeitig hergestellt werden können. Es können auch mehrere, beispielsweise vier, unterschiedliche Innenformen in eine Schwellenform eingearbeitet oder eingesetzt sein oder die Form kann an mehrere, beispielsweise vier, unterschiedliche Geometrien angepasst sein.In order to increase the efficiency of the method according to the invention, a threshold form can be used, in which two, three, four or more side-by-side switch sleepers are produced. In such a sleeper shape, either a shim may be used that is mounted across the sleepers and thus limits the length of all sleepers in the sleeper shape; alternatively, four sleepers may be used in a sleeper mold including four sleepers so that four different sleepers are simultaneously manufactured can be. It is also possible for several, for example four, different inner forms to be incorporated or inserted into a sleeper mold, or the shape can be adapted to a plurality of, for example four, different geometries.

Bei dem erfindungsgemäßen Verfahren wird es besonders bevorzugt, dass eine Weichenschwelle mit vier Spannstäben oder Spannstählen versehen wird. Die vier Spannstäbe oder Spannstähle können automatisiert gespannt werden, wobei der Spannvorgang gleichzeitig und für alle Spannstäbe einzeln erfolgt.In the method according to the invention, it is particularly preferred that a switch threshold is provided with four tension rods or prestressing steels. The four tensioning bars or tensioning steels can be clamped automatically, the tensioning being carried out simultaneously and individually for all tensioning bars.

Weitere Vorteile und Einzelheiten der Erfindung werden anhand von Ausführungsbeispielen unter Bezugnahme auf die Figuren beschrieben. Die Figuren sind schematische Darstellungen und zeigen:

Fig. 1A bis 1D
Schwellenformen, die bei den erfindungsgemäßen Verfahren benutzt werden;
Fig. 2A bis 2C
verschiedene Ansichten einer Schwellenform mit eingesetzten Spannstäben; und
Fig. 3A bis 3C
verschiedene Ansichten einer durch das erfindungsgemäße Verfahren herzustellenden Weichenschwelle.
Further advantages and details of the invention will be described by means of embodiments with reference to the figures. The figures are schematic representations and show:
Fig. 1A to 1D
Threshold forms used in the methods of the invention;
Fig. 2A to 2C
different views of a sleeper mold with inserted tie rods; and
Figs. 3A to 3C
different views of a produced by the inventive method threshold.

Fig. 1A zeigt eine erste Schwellenform, die bei dem erfindungsgemäßen Verfahren zur Herstellung von Weichenschwellen im Umlaufverfahren eingesetzt werden kann. Die Schwellenform 1 ist als Mehrfachform ausgebildet, in der gleichzeitig vier Weichenschwellen hergestellt werden können. Die Schwellenform ist ein oben offener Kasten und wird durch Trennwände 2 in vier Abschnitte geteilt, in denen jeweils eine Weichenschwelle hergestellt werden kann. In die Schwellenform 1 können Abstellbleche 3 eingesetzt werden, um den Innenraum der Schwellenform 1 zu variieren, insbesondere kann damit die Länge einer herzustellenden Weichenschwelle geändert werden. Die Abstellbleche 3 können auf unterschiedliche Weise in der Schwellenform 1 befestigt werden, beispielsweise über eine Schraubverbindung, eine Steckverbindung oder durch Einschieben in eine schwellenformseitige Nut. Daneben kann die Befestigung durch Verschweißen oder eine Magnethalterung oder dergleichen erfolgen. Fig. 1A shows a first threshold form, which can be used in the method according to the invention for the production of switch sleepers in the circulation process. The sleeper mold 1 is designed as a multiple mold in which four switch sleepers can be produced simultaneously. The threshold form is an open-topped box and is divided by partitions 2 into four sections, in each of which a switch threshold can be made. In the threshold form 1 Abstellbleche 3 can be used to vary the interior of the sleeper mold 1, in particular, so that the length of a switch point to be manufactured can be changed. The Abstellbleche 3 can be mounted in different ways in the sleeper mold 1, for example via a screw, a connector or by inserting into a threshold form side groove. In addition, the attachment can be done by welding or a magnetic holder or the like.

In der Schwellenform 1 sind entsprechende Befestigungseinrichtungen vorgesehen, sodass die Abstellbleche 3 flexibel positioniert und einfach wieder entnommen und an einer anderen Stelle eingesetzt werden können. Bei anderen Ausführungen kann es vorgesehen sein, dass die Abstellbleche stufenlos in der Schwellenform befestigbar sind, sodass jede gewünschte Länge einer Weichenschwelle gefertigt werden kann. Wie in Fig. 1 zu sehen ist, können die Abstellbleche für mehrere Weichenschwellen an der gleichen Stelle in der Schwellenform 1 positioniert werden, alternativ kann jede der vier Weichenschwellen, die mit der in Fig. 1 gezeigten Schwellenform 1 hergestellt werden, eine unterschiedliche Länge aufweisen. Neben den Abstellblechen werden in der Form Vorrichtungen bzw. Einsätze für Schienenbefestigungen angebracht, deren Position mit der Länge der Weichenschwelle variiert. Diese Befestigungen können ebenfalls flexibel an unterschiedlichen Stellen der Schwellenform 1 positioniert werden. Dies ist insbesondere dann vorteilhaft, wenn eine große Anzahl Weichenschwellen hergestellt wird, die sich jeweils nur geringfügig hinsichtlich ihrer Länge und der Position der Schienenbefestigungen unterscheiden. In die als Rahmenstruktur ausgebildete Schwellenform, die die erforderliche Steifigkeit erzeugt, können Innenformen (Formeninlays) eingesetzt werden, die unterschiedliche Geometrien abbilden, so dass Weichenschwellen mit verschiedenen Formen hergestellt werden können.In the sleeper mold 1 corresponding fastening devices are provided, so that the storage shelves 3 are flexibly positioned and easily removed again and used at another location. In other embodiments, it may be provided that the Abstellbleche are continuously fastened in the sleeper shape, so that any desired length of a switch threshold can be made. As in Fig. 1 can be seen, the shelves for multiple turnout sleepers can be positioned in the same place in the sleeper mold 1, alternatively, each of the four switch sleepers, with the in Fig. 1 shown threshold form 1, have a different length. In addition to the shelves devices or inserts are mounted for rail fasteners in the form whose position varies with the length of the switch threshold. These fasteners can also be flexibly positioned at different locations of the sleeper mold 1. This is particularly advantageous when a large number of switch sleepers is produced, which differ only slightly with respect to their length and the position of the rail fasteners. In the form of a frame formed as a threshold structure that generates the required rigidity, internal molds (mold inlays) can be used, which map different geometries, so that switch sleepers can be made with different shapes.

Die Figuren 1B, 1C und 1D zeigen weitere Schwellenformen, in denen gleichzeitig drei, zwei oder lediglich eine einzige Weichenschwelle hergestellt werden kann.The FIGS. 1B, 1C and 1D show other forms of sleep, in which three, two or only a single turnout can be made simultaneously.

Die Figuren 2A, 2B und 2C zeigen ausschnittsweise eine Schwellenform in verschiedenen Ansichten. Fig. 2A ist eine geschnittene Seitenansicht einer Schwellenform 4. Fig. 2B zeigt die zugehörige Draufsicht, Fig. 2C zeigt eine Vorderansicht der Schwellenform.The FIGS. 2A, 2B and 2C show a section of a threshold form in different views. Fig. 2A is a sectional side view of a sleeper mold 4th Fig. 2B shows the associated plan view, Fig. 2C shows a front view of the sleeper shape.

In die Schwellenform 4 sind Spannstäbe 5 (Spannstähle) eingesetzt, die als Bewehrung für die Weichenschwelle dienen. Wie in Fig. 2C zu sehen ist, werden pro Weichenschwelle vier Spannstäbe 5 verwendet.In the sleeper mold 4, tie rods 5 (prestressing steels) are used, which serve as reinforcement for the turnout sleeper. As in Fig. 2C can be seen, four tie rods 5 are used per turnout threshold.

An einer Seite der Schwellenform 4 werden die Spannstäbe 5 von Ankerbolzen 6 gehalten, die sich an der Seitenwand 7 der Schwellenform 4 abstützen. An dem gegenüberliegenden Ende der Schwellenform 4 werden die Spannstäbe 5 mit Spannbolzen 8 befestigt, die an der Seitenwand 9 der Schwellenform 4 abgestützt sind. Vor dem Einfüllen von Beton werden die Spannstäbe 5 durch eine Mutter 10 entsprechend den statischen Erfordernissen der Weichenschwelle vorgespannt. Gegebenenfalls werden in die Schwellenform 4 Abstellbleche eingesetzt, die jedoch in den Figuren 2A bis 2C aus Gründen der Übersichtlichkeit nicht dargestellt sind. Zusätzlich können weitere Einsätze für die Schwellenform 4 vorgesehen sein, um eine spezielle Profilierung der Weichenschwelle zu erzeugen oder um Befestigungspunkte von Schienenbefestigungen zu erzeugen.On one side of the sleeper mold 4, the tie rods 5 are held by anchor bolts 6, which are supported on the side wall 7 of the sleeper mold 4. At the opposite end of the sleeper mold 4, the tie rods 5 are fixed with clamping bolts 8, which are supported on the side wall 9 of the sleeper mold 4. Before filling concrete, the tie rods 5 are biased by a nut 10 according to the static requirements of the switch threshold. Optionally, 4 shelves are used in the sleeper shape, but in the FIGS. 2A to 2C are not shown for reasons of clarity. In addition, further inserts may be provided for the sleeper mold 4 to create a special profiling of the switch sleeper or to create mounting points of rail fasteners.

Nach dem Einfüllen des Betons wird dieser gerüttelt und dadurch verdichtet. Das Aushärten des Betons erfolgt von selbst, dieser Vorgang kann jedoch durch Wärmezufuhr, etwa in einer Wärmekammer, beschleunigt werden. Nach dem Aushärten der Weichenschwelle wird die Verschraubung der Spannbolzen 8 und der Ankerbolzen 6 mit dem jeweiligen Spannstab 5 gelöst und die Weichenschwelle kann entformt werden. Im Anschluss daran erfolgt die Montage von Schienenbefestigungen.After filling the concrete, it is shaken and compacted. The hardening of the concrete is done by itself, but this process can be accelerated by heat, such as in a heat chamber. After curing of the switch threshold, the screwing of the clamping bolt 8 and the anchor bolt 6 is released with the respective tie rod 5 and the switch threshold can be removed from the mold. This is followed by the installation of rail fasteners.

Eine nach diesem Verfahren herzustellende Weichenschwelle 11 ist in den Figuren 3A bis 3C in verschiedenen Ansichten dargestellt.An emerging according to this method switch threshold 11 is in the FIGS. 3A to 3C shown in different views.

Claims (4)

  1. Method for the production, by the circulatory method, of points sleepers which each differ in terms of their length and the fastening position of rail fastenings, comprising the following steps:
    - fastening one or more set-down plates and/or one or more inner moulds in a sleeper mould according to the length and the shape of the points sleepers to be manufactured;
    - inserting tensioning rods as reinforcement;
    - automatic simultaneous tensioning of the tensioning rods with spindle pairs, wherein each tensioning rod is individually tensioned in that the tensioning rods are held at one end by means of a respective anchor and at the opposite end by means of a tensioning device, wherein the anchor and the tensioning device are supported on the or a set-down plate and/or on the inner mould and/or on an end face of the sleeper mould;
    - introducing concrete into the sleeper mould;
    - leaving the points sleeper to harden;
    - removing the points sleeper from the mould.
  2. Method according to Claim 1, characterized in that a sleeper mould is used in which two, three or four points sleepers arranged next to one another are produced.
  3. Method according to Claim 1 or 2, characterized in that a points sleeper is provided with four tensioning rods or tensioning steel bars.
  4. Method according to one of the preceding claims, characterized in that anchors and tensioning spindles of different length are used in dependence on the points sleeper to be produced.
EP08706730.2A 2007-01-22 2008-01-09 Method for the production of ties for railway switches Active EP2122055B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007004038.7A DE102007004038B4 (en) 2007-01-22 2007-01-22 Method for producing switch sleepers and switch points produced by this method
PCT/DE2008/000025 WO2008089719A1 (en) 2007-01-22 2008-01-09 Method for the production of switch ties, and switch tie produced according to said method

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EP2122055A1 EP2122055A1 (en) 2009-11-25
EP2122055B1 true EP2122055B1 (en) 2016-04-13

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US (1) US20100314795A1 (en)
EP (1) EP2122055B1 (en)
JP (1) JP2010516923A (en)
KR (1) KR20090089466A (en)
CN (1) CN101589199A (en)
AU (1) AU2008209219A1 (en)
BR (1) BRPI0806553A2 (en)
CA (1) CA2674706A1 (en)
DE (1) DE102007004038B4 (en)
ES (1) ES2580049T3 (en)
HU (1) HUE029118T2 (en)
PL (1) PL2122055T3 (en)
RU (1) RU2009130062A (en)
WO (1) WO2008089719A1 (en)
ZA (1) ZA200905118B (en)

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CN102069151B (en) * 2010-12-24 2013-03-27 中铁宝桥集团有限公司 Embedded sleeve type ballastless turnout slab mould of slab and slot combined structure
CN102162209B (en) * 2010-12-31 2012-09-05 北京中铁房山桥梁有限公司 High-speed turnout switch tie for speed of 350km per hour and manufacturing method thereof
KR101462141B1 (en) * 2012-11-27 2014-11-21 재단법인 포항산업과학연구원 Concrete sleeper and method for producing the same
DE102014012531B4 (en) * 2014-08-28 2018-12-20 Spitzke Fahrwegsysteme GmbH Method for producing a prestressed concrete track sill and component set therefor
KR102178042B1 (en) * 2020-03-04 2020-11-13 아이에스동서 주식회사 Method of Manufacturing Precast Concrete Sleeper Through Individual Tensioning And Its Manufacturing Equipment
CN118906216B (en) * 2024-07-24 2025-02-25 武汉思力博轨道装备有限公司 A steel mold for making long sleepers and a production process for long sleepers

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CN101589199A (en) 2009-11-25
CA2674706A1 (en) 2008-07-31
KR20090089466A (en) 2009-08-21
ZA200905118B (en) 2010-05-26
RU2009130062A (en) 2011-02-27
HUE029118T2 (en) 2017-02-28
AU2008209219A1 (en) 2008-07-31
PL2122055T3 (en) 2016-11-30
BRPI0806553A2 (en) 2014-04-22
WO2008089719A1 (en) 2008-07-31
US20100314795A1 (en) 2010-12-16
DE102007004038B4 (en) 2016-10-27
EP2122055A1 (en) 2009-11-25
JP2010516923A (en) 2010-05-20
DE102007004038A1 (en) 2008-07-31
ES2580049T3 (en) 2016-08-18
AU2008209219A2 (en) 2009-08-27

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