EP2243566B1 - Device for hardening rails - Google Patents

Device for hardening rails Download PDF

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Publication number
EP2243566B1
EP2243566B1 EP10450111A EP10450111A EP2243566B1 EP 2243566 B1 EP2243566 B1 EP 2243566B1 EP 10450111 A EP10450111 A EP 10450111A EP 10450111 A EP10450111 A EP 10450111A EP 2243566 B1 EP2243566 B1 EP 2243566B1
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EP
European Patent Office
Prior art keywords
rail
rails
cooling
basin
cross
Prior art date
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Active
Application number
EP10450111A
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German (de)
French (fr)
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EP2243566A1 (en
Inventor
Hans Pfeiler
Norbert Köck
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Voestalpine Rail Technology GmbH
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Voestalpine Schienen GmbH
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Application filed by Voestalpine Schienen GmbH filed Critical Voestalpine Schienen GmbH
Priority to PL10450111T priority Critical patent/PL2243566T3/en
Priority to SI200930320T priority patent/SI2243566T1/en
Publication of EP2243566A1 publication Critical patent/EP2243566A1/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/003—Transfer to bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/06—Cooling beds comprising carriages
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/085—Rail sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/006—Transfer from bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/023—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes by immersion in a bath

Definitions

  • the invention relates to a device for hardening rails, in particular profiled rails, optionally with respectively different cross-sectional shape and a length of greater than 50m by cooling at least part of the respective rail cross-section over the entire rail length in a coolant, consisting of Querverschiebeschn in the area a roller table, of directing means and manipulation gripper for moving the rail in the device, at least one positioning means, each with a basin or trough with coolant and a cooling bed.
  • a coolant consisting of Querverschiebeschn in the area a roller table
  • Rails of carbon-containing, optionally low-alloy steels which are placed on a cooling bed after rolling and allowed to cool, have a pearlitic structure throughout, the material having corresponding mechanical properties.
  • the microstructure can be adjusted in such a way that at least the claimed rail head high hardness, high abrasion resistance and a has low Rissinitiation, ie, that the rail in the track has improved performance characteristics.
  • a device for hardening rails by a targeted formation of the microstructure during the cooling of the same can be designed for a passage through a spray cooling device or for a dip in a coolant.
  • the invention seeks to remedy the deficiencies and sets itself the goal of creating a device of the type mentioned for the hardening of rails, especially profiled rails, with which high throughput with high reliability high quality rails can be produced economically.
  • a system according to the objective of manipulation gripper for an unimpeded rapid movement of the expiring from the rollers rails which allows axial alignment thereof, and a dimensionally accurate Einbringiana in a positioning and / or depositing on a transfer means and / or on a cooling bed accomplishes positioning means for distortion-free clamping and / or quenching, which is cooperatively employable with a positioning means, wherein control means by which the plant components on each other for a cyclic dipping of the head and / or other parts of the cross section and / or the entire surface of the rail in course are tunable by their cooling.
  • the goal is achieved in a generic device thereby that the basin and the plants and the releasable clamping means for the foot of the hanging rail of all components of the positioning means for introducing the rail into the coolant simultaneously vertically controlled relative to each other movable and a respective vertical holding position and time are adjustable in this, the plant and the Clamping devices for the foot of the hanging rail of all components of the positioning means are simultaneously adjustable horizontally across the tank.
  • such desired structural formations and also structural regions with different microstructures can be achieved over the cross-section of rails, whereby such rails can be produced with a property profile designed to be favorable for particular stresses.
  • the head hardness and the distribution of mechanical material properties across the cross-section can be optimized.
  • FIG. 1 is shown in cross section a device for hardening rails.
  • a rail 1 is spent after the stitch in the last rolling caliber (not shown) on a roller table 2 and positioned by a transverse pushing means 21 on this.
  • An in Fig. 1 illustrated manipulation gripper 3 is designed such that this a track 1 in a lying position on the roller table 2 of this by means of a plurality of pliers 30 on the rail length correctly picks up and aligned by holding the gripping arms 31,31 'axially.
  • the pliers 30 are together by machine-trained parts with simultaneous clamping of the centering parts 312.312 'perpendicular to the rail axis vertical, horizontal and rotating movable, such that a laterally located rail received by the roller table 2, directed axially, turned into a suspended position with a horizontal foot surface, in a positioning means 4, as in Fig. 3 shown on facilities 41,41 'can be introduced.
  • a rail 1,1 'from the roller table 2 or by a positioning means 4 can be received and stored on a cooling bed 6 or on a transfer means 61.
  • a positioning means 4 is in Fig. 3 shown and has over the length of a rail 1 holding components 40, 40 'with systems 41,41', in which the rail 1 is inserted axially directed. Clamping elements 42, 42 'can be adjusted in the direction of the systems 41, 41' towards the flange ends of a rail foot 11. Positioning means 4 and 5 basin with coolant 50 cooperate during the hardening process of rails 1.
  • FIG. 1 shows in the device at least two basins 5 with coolant 50 axparallel arranged side by side, each of which is usable for curing a rail 1 part of the coolant 50 in the basin 5 has a depth which is greater than the maximum rail height to a full immersion allow the same in the cooling liquid 50.
  • coolant inlet 54 anddeschellenk Rheinen 53 are arranged on the bottom side in the basin 5, wherein to smooth out the flow velocity of the coolant 50 during flow of a rail 1 over the entire length of the basin 5 through-flow plates 51 and / or nozzle plates 52 are used for diving down.
  • Positioning means 4 for rails 1 and 5 with refrigerant tank 50, as previously mentioned, together and by means of control means (not shown) are relatively movable and at least in the positions "diving of cross-sectional parts" and / or “head hardening” and / or “full Dip hardening "can be positioned for periods.
  • a groove rail 1R in comparison with a Vignolschiene 1V in Fig. 4 Axis deviations Az, Ar between head x and foot axis y can be given.
  • a rail head 12 in the dip tank 5 suspend a flow from the coolant 50, a the axial deviations Az, Ax corresponding horizontal, axially parallel positioning of positioning means 4 and 5 pelvis is set up.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

Die Erfindung bezieht sich auf eine Einrichtung zum Härten von Schienen, insbesondere profilierten Fahrschienen, mit gegebenenfalls jeweils unterschiedlicher Querschnittsform und einer Länge von größer als 50m durch Abkühlen von zumindest einem Teil des jeweiligen Schienenquerschnittes über die gesamte Schienenlänge in einem Kühlmittel, bestehend aus Querverschiebemitteln im Bereich eines Rollganges, aus Richtmitteln und Manipulationsgreifer zum Verbringen der Schiene in der Einrichtung, mindestens einem Positioniermittel, mit jeweils einem Becken bzw. Trog mit Kühlmittel sowie einem Kühlbett.The invention relates to a device for hardening rails, in particular profiled rails, optionally with respectively different cross-sectional shape and a length of greater than 50m by cooling at least part of the respective rail cross-section over the entire rail length in a coolant, consisting of Querverschiebemitteln in the area a roller table, of directing means and manipulation gripper for moving the rail in the device, at least one positioning means, each with a basin or trough with coolant and a cooling bed.

Schienen aus Kohlenstoff enthaltenden, gegebenenfalls niedriglegierten Stählen, die nach dem Walzen auf ein Kühlbett verbracht und erkalten gelassen werden, weisen durchwegs ein perlitisches Gefüge auf, wobei der Werkstoff dementsprechende mechanische Eigenschaften hat. Um den Schienenverschleiß, insbesondere bei hohen Achslasten sowie gegebenenfalls hoher Geschwindigkeit der Züge und in engen Kurven zu verringern, kann gemäß Stand der Technik durch eine besondere Wärmebehandlung die Gefügestruktur derart eingestellt werden, dass zumindest der beanspruchte Schienenkopf eine hohe Härte, eine hohe Abriebfestigkeit und eine geringe Rissinitiation hat, d.h., dass die Schiene im Gleis verbesserte Gebrauchseigenschaften aufweist.Rails of carbon-containing, optionally low-alloy steels, which are placed on a cooling bed after rolling and allowed to cool, have a pearlitic structure throughout, the material having corresponding mechanical properties. In order to reduce the rail wear, especially at high axle loads and possibly high speed trains and tight curves, the microstructure can be adjusted in such a way that at least the claimed rail head high hardness, high abrasion resistance and a has low Rissinitiation, ie, that the rail in the track has improved performance characteristics.

Eine Einrichtung zum Härten von Schienen durch eine gezielte Ausbildung der Gefügestruktur bei der Abkühlung derselben kann für einen Durchlauf durch eine Sprühkühlvorrichtung oder für ein Tauchen in ein Kühlmittel ausgebildet sein.A device for hardening rails by a targeted formation of the microstructure during the cooling of the same can be designed for a passage through a spray cooling device or for a dip in a coolant.

Durchlauf-Sprühkühlanlagen für eine Schienenhärtung sind in der Regel zwar einfach aufgebaut, haben jedoch den Nachteil eines großen Platzbedarfes, benötigen eine aufwändige Technologie und können auch unerwünschte Güteschwankungen der Schienen in einem Produktionsablauf nicht effizient ausschließen. Weiters kann oft in einer Durchlauf-Sprüheinrichtung eine genaue Abstimmung der Kühlung auf wechselnde Querschnittsprofile wie Zungen-, Rillen-, Vignolschienen und dgl. nicht in erforderlichem Masse erfolgen, wobei auch gegebenenfalls ein Verzug bei der Abkühlung von Querschnittsbereichen im Durchlauf zu ungleichen Kühlmittelbeaufschlagungen und somit zu Härteschwankungen des Werkstoffes über die Schienenlänge führt.Continuous spray cooling systems for rail hardening are generally simple in construction, but have the disadvantage of a large footprint, require a complex technology and can not exclude unwanted Güteschwankungen the rails in a production process not efficient. Furthermore, in a continuous spraying device, precise matching of the cooling to changing cross-sectional profiles, such as tongue, groove, Vignole rails and the like, can not be carried out to the required extent, wherein optionally also a delay in the cooling of cross-sectional areas in the passage to unequal Kühlmittelbeaufschlagungen and thus leads to hardness variations of the material over the rail length.

Es wurde schon vorgeschlagen, bei einer Sprühvergütung der Schiene diese unbewegt zu belassen oder nur geringfügig, bevorzugt um den jeweiligen Sprühmittelabstand, alternierend zu verschieben.It has already been proposed, in the case of spray coating of the rail, to leave it stationary or to shift it only slightly, preferably by the respective spray agent spacing, alternately.

Weiters ist bekannt, eine Vorrichtung zum thermischen Vergüten von Schienen und/oder von Teilen des Querschnitts von Schienen mit einem oder mehreren Tauchbecken für diese auszubilden.Furthermore, it is known to form a device for thermal annealing of rails and / or parts of the cross section of rails with one or more immersion tanks for this.

Bei sequentieller Herstellung von gehärteten Schienen mit hoher Walzleistung wurde gemäss AT 410 549 B schon vorgeschlagen, mindestens zwei Flüssigkeitskühleinrichtungen jeweils parallel zu einem Ausrichtmittel anzuordnen und Quertransportmittel mit Walzgutauflagen zwischen den Rollgangsrollen vorzusehen, um ein Verbringen einer Schiene vom Rollgang zu Manipulatoren der Kühleinrichtung und in der Folge von diesen in den Auflagebereich eines Kühlbettes zu bewerkstelligen. Derart kann eine Steigerung der Durchsatzmenge von Schienen durch die Vergüteanlage erreicht werden. Ein Auslaufen aus dem Walzgerüst, ein Ausrichten und ein Drehen der Schiene am Rollgang ist jedoch bei aktivem Ausrichtmittel nicht uneingeschränkt möglich.In sequential production of hardened rails with high rolling performance was according to AT 410 549 B already proposed to arrange at least two liquid cooling devices in each case parallel to an alignment and provide transverse transport means with Walzgutauflagen between the roller conveyor rollers to accomplish a movement of a rail from the roller table to manipulators of the cooling device and in consequence of this in the support area of a cooling bed. In this way, an increase in the throughput of rails through the annealing plant can be achieved. However, leakage from the rolling stand, alignment and rotation of the rail on the roller table is not fully possible with active alignment.

Hier will die Erfindung die Mängel beseitigen und setzt sich zum Ziel, eine Einrichtung der eingangs genannten Art zum Härten von Schienen, insbesondere von profilierten Fahrschienen, zu schaffen, mit welcher bei hohem Durchsatz mit großer Sicherheit qualitativ hochwertige Schienen wirtschaftlich herstellbar sind.Here, the invention seeks to remedy the deficiencies and sets itself the goal of creating a device of the type mentioned for the hardening of rails, especially profiled rails, with which high throughput with high reliability high quality rails can be produced economically.

Im Einzelnen soll eine Anlage entsprechend der Zielsetzung Manipulationsgreifer für ein ungehindert rasches Verbringen der aus den Walzen auslaufenden Schienen aufweisen, welcher eine axiale Ausrichtung derselben ermöglicht, sowie eine maßgenaue Einbringbarkeit in einem Positioniermittel und/oder ein Ablegen auf ein Übergabemittel und/oder auf ein Kühlbett bewerkstelligt Positioniermittel für ein verzugsfreies Spannen und/oder Abschreckmittel, welches mit einem Positioniermittel zusammenwirkend einsetzbar ist, wobei Steuerungsmittel, durch welche die Anlagenkomponenten aufeinander für ein zyklisches Tauchen des Kopfes und/oder anderer Teile des Querschnittes und/oder der gesamten Oberfläche der Schiene in Verlauf von deren Abkühlung abstimmbar sind, aufweisen.Specifically, a system according to the objective of manipulation gripper for an unimpeded rapid movement of the expiring from the rollers rails, which allows axial alignment thereof, and a dimensionally accurate Einbringbarkeit in a positioning and / or depositing on a transfer means and / or on a cooling bed accomplishes positioning means for distortion-free clamping and / or quenching, which is cooperatively employable with a positioning means, wherein control means by which the plant components on each other for a cyclic dipping of the head and / or other parts of the cross section and / or the entire surface of the rail in course are tunable by their cooling.

Das Ziel wird bei einer gattungsgemäßen Einrichtung dadurch erreicht, dass das Becken und die Anlagen und die lösbaren Spannmittel für den Fuß der hängenden Schiene aller Komponenten des Positioniermittels zur Einbringung der Schiene in das Kühlmittel gleichzeitig vertikal relativ zueinander gesteuert bewegbar und eine jeweilige vertikale Halteposition und Zeitdauer in dieser einstellbar sind, wobei die Anlage und die Spannmittel für den Fuß der hängenden Schiene aller Komponenten des Positioniermittels gleichzeitig horizontal quer zum Becken einstellbar sind.The goal is achieved in a generic device thereby that the basin and the plants and the releasable clamping means for the foot of the hanging rail of all components of the positioning means for introducing the rail into the coolant simultaneously vertically controlled relative to each other movable and a respective vertical holding position and time are adjustable in this, the plant and the Clamping devices for the foot of the hanging rail of all components of the positioning means are simultaneously adjustable horizontally across the tank.

Mit Vorteil sind derart gewünschte Gefügeausbildungen und auch Gefügebereiche mit unterschiedlicher Mikrostruktur über den Querschnitt von Schienen erreichbar, wodurch derartige Schienen mit einem für besondere Beanspruchungen günstig ausgebildeten Eigenschaftsprofil herstellbar sind.Advantageously, such desired structural formations and also structural regions with different microstructures can be achieved over the cross-section of rails, whereby such rails can be produced with a property profile designed to be favorable for particular stresses.

Bei Schienen, gegebenenfalls mit verschiedenen Querschnittsprofilen, Können, die Kopfhärte und die Verteilung der mechanischen Materialeigenschaften über den Querschnitt optimiest werden.In the case of rails, possibly with different cross-sectional profiles, the head hardness and the distribution of mechanical material properties across the cross-section can be optimized.

Im Folgenden wird die Erfindung anhand von lediglich einen Ausführungsweg darstellenden Zeichnungen näher erläutert, wobei hilfsweise im Text eine Bezugszeichenliste nachgeordnet ist.In the following, the invention will be explained in more detail with reference to drawings showing only one embodiment, wherein, in the alternative, a list of reference symbols is subordinate in the text.

Es zeigen

  • Fig. 1 Einrichtung zum Härten von Schienen im Querschnitt senkrecht zur Schienenlängsachse
  • Fig. 2 Schiene in Zangen eines Manipulationsgreifers
  • Fig. 3 Positioniermittel und Becken senkrecht zur Schieneniängsachse
  • Fig. 4 Querschnittsprofile von Schienen
Show it
  • Fig. 1 Device for hardening rails in cross section perpendicular to the rail longitudinal axis
  • Fig. 2 Rail in pliers of a manipulator gripper
  • Fig. 3 Positioning means and pelvis perpendicular to the rail longitudinal axis
  • Fig. 4 Cross-section profiles of rails

Zur Erleichterung des Überblickes hinsichtlich der Funktionsteile der Einrichtung soll die nachfolgend angegebene Bezugszeichenliste dienen:

1
Schiene
11
Schienenfuß
12
Schienenkopf
1 Z
Zungenschiene
1 R
Rillenschiene
1 V
Vignolschiene
y
Fußmittelachse
x
Kopfmittelachse
A
Achsabweichung
H
Schienenhöhe
2
Rollgang
21
Querverschiebemittel
3
Maniulationsgreifer
30
Zangen
31,31'
Greifarme
311,311'
Greifteile
312,312'
Zentrierteile
4
Positioniermittel
40,40'
Haltekomponenten
41,41'
Anlagen
42,42'
Spannelemente
5
Becken (Trog)
50
Kühlmittel
51
Durchströmbare Platte
52
Düsenplatte
53
Kühlmittellenkeinrichtung
54
Kühlmitteleinlass
6
Kühlbett
61
Übergabemittel
To facilitate the overview with regard to the functional parts of the device, the following list of reference numbers is intended to serve:
1
rail
11
rail
12
railhead
1 z
tongue rail
1 R
grooved rail
1 V
Vignol
y
Fußmittelachse
x
Head central axis
A
angulation
H
rail height
2
roller table
21
Transverse displacement means
3
Maniulationsgreifer
30
Pliers
31.31 '
gripper arms
311,311 '
gripping parts
312.312 '
centering parts
4
positioning
40.40 '
retaining components
41.41 '
Attachments
42.42 '
clamping elements
5
Basin (trough)
50
coolant
51
Breakthrough plate
52
nozzle plate
53
Coolant steering device
54
Coolant inlet
6
cooling bed
61
Transfer means

In Fig. 1 ist im Querschnitt eine Einrichtung zum Härten von Schienen dargestellt. Eine Schiene 1 wird nach dem Stich im letzten Walzkaliber (nicht dargestellt) auf einen Rollgang 2 verbracht und durch ein Querschiebemittel 21 auf diesem positioniert.In Fig. 1 is shown in cross section a device for hardening rails. A rail 1 is spent after the stitch in the last rolling caliber (not shown) on a roller table 2 and positioned by a transverse pushing means 21 on this.

Von einer Position am Rollgang 2 erfolgt eine Aufnahme einer Schiene 1 mittels eines Manipulationsgreifers 3, welcher über die Länge der Schiene 1, wie in Fig. 2 dargestellt, eine Vielzahl von Zangen 30 mit Greifarmen 31,31' besitzt. Die Greifarme 31,31' sind jeweils mit Zentrierteilen 312,312' zur axialen Ausrichtung eines Schienenkopfes 12 und mit Greifteilen 311,311' für ein hängendes Halten eines Schienenfußes 11 ausgeformt, wobei ein Abstand von den Flanschenden vom Schienenfuß 11 zu den Greifarmen 31,31' vergrössert ist, um unterschiedliche Schienenprofile, wie in Fig. 4 als 1Z, 1 R, 1V, dargestellt, kopfseitig axial durch Zentrierteile 312,312' von Zangen 30 auszurichten.From a position on the roller table 2 is a recording of a rail 1 by means of a manipulation gripper 3, which over the length of the rail 1, as in Fig. 2 shown, a plurality of pliers 30 with gripping arms 31,31 'has. The gripper arms 31,31 'are each formed with centering 312,312' for axial alignment of a rail head 12 and with gripping parts 311,311 'for a suspended holding a rail foot 11, wherein a distance from the flange of the rail foot 11 to the gripping arms 31,31' is increased to different rail profiles, as in Fig. 4 as 1Z, 1 R, 1V, shown, axially align the head side by centering parts 312.312 'of pliers 30.

Ein in Fig. 1 dargestellter Manipulationsgreifer 3 ist derart ausgebildet, dass dieser eine Schiene 1 in einer Liegeposition am Rollgang 2 von diesem mittels einer Vielzahl von Zangen 30 über die Schienenlänge positionsgerecht aufgreift und durch Halten mit den Greifarmen 31,31' axial ausrichtet. Die Zangen 30 sind gemeinsam durch maschinentechnisch ausgebildete Teile bei gleichzeitigem Spannen der Zentrierteile 312,312' senkrecht zur Schienenachse vertikal, horizontal und drehend bewegbar, sodass eine seitlich liegende Schiene vom Rollgang 2 aufgenommen, axial gerichtet, in eine hängende Position mit horizontaler Fußfläche gedreht, in ein Positioniermittel 4, wie in Fig. 3 gezeigt, auf Anlagen 41,41' einbringbar ist.An in Fig. 1 illustrated manipulation gripper 3 is designed such that this a track 1 in a lying position on the roller table 2 of this by means of a plurality of pliers 30 on the rail length correctly picks up and aligned by holding the gripping arms 31,31 'axially. The pliers 30 are together by machine-trained parts with simultaneous clamping of the centering parts 312.312 'perpendicular to the rail axis vertical, horizontal and rotating movable, such that a laterally located rail received by the roller table 2, directed axially, turned into a suspended position with a horizontal foot surface, in a positioning means 4, as in Fig. 3 shown on facilities 41,41 'can be introduced.

Nach gleicher Art ist, wie Fig. 1 zeigt, eine Schiene 1,1' vom Rollgang 2 oder von einem Positioniermittel 4 aufnehmbar und auf ein Kühlbett 6 oder auf ein Übergabemittel 61 ablegbar.After the same kind is how Fig. 1 shows, a rail 1,1 'from the roller table 2 or by a positioning means 4 can be received and stored on a cooling bed 6 or on a transfer means 61.

Ein Positioniermittel 4 ist in Fig. 3 dargestellt und weist über die Länge einer Schiene 1 Haltekomponenten 40, 40' mit Anlagen 41,41' auf, in welche die Schiene 1 axial gerichtet einlegbar ist. Spannelemente 42,42' sind in Richtung zu den Anlagen 41,41' hin an die Flanschenden eines Schienenfußes 11 anstellbar. Positioniermittel 4 und Becken 5 mit Kühlmittel 50 wirken beim Härtevorgang von Schienen 1 zusammen.A positioning means 4 is in Fig. 3 shown and has over the length of a rail 1 holding components 40, 40 'with systems 41,41', in which the rail 1 is inserted axially directed. Clamping elements 42, 42 'can be adjusted in the direction of the systems 41, 41' towards the flange ends of a rail foot 11. Positioning means 4 and 5 basin with coolant 50 cooperate during the hardening process of rails 1.

Wie aus Fig. 1 hervorgeht, sind in der Einrichtung mindestens zwei Becken 5 mit Kühlmittel 50 axparallel nebeneinander angeordnet, wobei jeweils der für eine Härtung einer Schiene 1 nutzbare Teil des Kühlmittels 50 im Becken 5 eine Tiefe aufweist, die größer ist als die maximale Schienenhöhe, um ein vollumfängliches Tauchen derselben in die Kühlflüssigkeit 50 zu ermöglichen.How out Fig. 1 shows in the device at least two basins 5 with coolant 50 axparallel arranged side by side, each of which is usable for curing a rail 1 part of the coolant 50 in the basin 5 has a depth which is greater than the maximum rail height to a full immersion allow the same in the cooling liquid 50.

Wie in Fig. 3 dargestellt, sind Kühlmitteleinlass 54 und Kühlmittellenkeinrichtungen 53 im Becken 5 bodenseitig angeordnet, wobei zur Vergleichmäßigung der Strömungsgeschwindigkeit des Kühlmittels 50 beim Anströmen einer Schiene 1 über die gesamte Länge des Beckens 5 durchströmbare Platten 51 und/oder Düsenplatten 52 zum Tauchraum hin einsetzbar sind.As in Fig. 3 shown, coolant inlet 54 and Kühlmittelellenkeinrichtungen 53 are arranged on the bottom side in the basin 5, wherein to smooth out the flow velocity of the coolant 50 during flow of a rail 1 over the entire length of the basin 5 through-flow plates 51 and / or nozzle plates 52 are used for diving down.

Positioniermittel 4 für Schienen 1 und Becken 5 mit Kühlmittel 50 wirken, wie vorher erwähnt, zusammen und sind mittels Steuereinrichtungen (nicht dargestellt) relativ zueinander bewegbar und zumindest in den Positionen "Tauchen von Querschnittsteilen" und/oder "Kopfhärtung" und/oder "vollumfängliche Tauchhärtung" für Zeitspannen positionierbar.Positioning means 4 for rails 1 and 5 with refrigerant tank 50, as previously mentioned, together and by means of control means (not shown) are relatively movable and at least in the positions "diving of cross-sectional parts" and / or "head hardening" and / or "full Dip hardening "can be positioned for periods.

Für unterschiedliche Querschnittsprofile von Schienen 1, wie dies für eine Zungenschiene 1Z, eine Rillenschiene 1R im Vergleich mit einer Vignolschiene 1V in Fig. 4 dargestellt ist, können Achsabweichungen Az, Ar zwischen Kopfachse x und Fußachse y gegeben sein. Um jeweils unabhängig vom Querschnittsprofil zentral die Hauptmasse eines Schienenkopfes 12 im Tauchbecken 5 einer Anströmung vom Kühlmittel 50 auszusetzen, ist eine den Achsabweichungen Az,Ax entsprechende horizontale, achsparallele Positionierung von Positoniermittel 4 und Becken 5 einrichtbar.For different cross-sectional profiles of rails 1, as for a tongue rail 1Z, a groove rail 1R in comparison with a Vignolschiene 1V in Fig. 4 Axis deviations Az, Ar between head x and foot axis y can be given. To each independently of the cross-sectional profile centrally the main mass a rail head 12 in the dip tank 5 suspend a flow from the coolant 50, a the axial deviations Az, Ax corresponding horizontal, axially parallel positioning of positioning means 4 and 5 pelvis is set up.

Claims (1)

  1. A device for hardening rails (1), particularly profiled tracks, optionally with respectively different shape of cross-section and a length greater than 50m, by cooling at least part of the respective rail cross-section over the entire rail length in a cooling medium, consisting of transverse displacement means (21) in the region of a roller bed (2), straightening means and manipulation gripper (3) to take the rail in the device, at least one positioning means (4), and comprising a respective basin (5) or trough with the cooling medium as well as a cooling bed (6), characterised in that the basin (5) and the engaging means (41) and the releasable clamping elements (42) for the foot (11) of the suspended rail (1) of all components (40) of the positioning means (4) for introducing the rail into the cooling medium are simultaneously movable in vertical direction relative to one another, and a respective vertical holding position and a time period of them are adjustable, wherein the engaging means (41) and the releasable clamping elements (42) for the foot (11) of the suspended rail (1) of all components (40) of the positioning means (4) are simultaneously adjustable in horizontal direction transversely to the basin.
EP10450111A 2008-02-04 2009-01-27 Device for hardening rails Active EP2243566B1 (en)

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PL10450111T PL2243566T3 (en) 2008-02-04 2009-01-27 Device for hardening rails
SI200930320T SI2243566T1 (en) 2008-02-04 2009-01-27 Device for hardening rails

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AT0017508A AT505930B1 (en) 2008-02-04 2008-02-04 DEVICE FOR HARDENING RAILS
EP09450016A EP2085160B1 (en) 2008-02-04 2009-01-27 Device for hardening rails

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EP10450110A Active EP2243565B1 (en) 2008-02-04 2009-01-27 Device for hardening rails
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US (2) US8226883B2 (en)
EP (4) EP2241384B1 (en)
JP (4) JP5163987B2 (en)
KR (1) KR101221567B1 (en)
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AT (4) AT505930B1 (en)
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BR (4) BR122019018872B1 (en)
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HR (4) HRP20120493T1 (en)
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JP6244569B2 (en) * 2014-02-28 2017-12-13 日立オートモティブシステムズ株式会社 Method for manufacturing surface processed parts and apparatus for manufacturing surface processed parts
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EP2243565A1 (en) 2010-10-27
PT2241384E (en) 2012-04-16
EP2243566A1 (en) 2010-10-27
DK2085160T3 (en) 2012-07-30
PL2243565T3 (en) 2012-08-31
CN102010970A (en) 2011-04-13
AU2011200883A1 (en) 2011-03-24
KR101221567B1 (en) 2013-01-14
JP5163987B2 (en) 2013-03-13
BR122019018872B1 (en) 2020-11-24
EP2085160B1 (en) 2012-04-25
BRPI0900474A2 (en) 2009-11-10
AU2011200893A1 (en) 2011-03-24
KR20090085544A (en) 2009-08-07
SI2085160T1 (en) 2012-07-31
CA2742949A1 (en) 2009-08-04
AU2009200367A1 (en) 2009-08-20
CN101509060B (en) 2011-04-20
AU2009200367B2 (en) 2011-03-31
JP2009185385A (en) 2009-08-20
PT2085160E (en) 2012-06-21
DK2241384T3 (en) 2012-07-09
CA2652329A1 (en) 2009-08-04
CA2742873C (en) 2013-04-02
EP2241384B1 (en) 2012-03-21
CA2652329C (en) 2012-03-27
US8226883B2 (en) 2012-07-24
ATE550113T1 (en) 2012-04-15
AU2011200892A1 (en) 2011-03-24
RU2388834C1 (en) 2010-05-10
SI2243565T1 (en) 2012-06-29
EP2085160A1 (en) 2009-08-05
PT2243566E (en) 2012-10-02
US8557172B2 (en) 2013-10-15
AT505930A4 (en) 2009-05-15
PL2241384T3 (en) 2012-08-31
UA92954C2 (en) 2010-12-27
JP5551736B2 (en) 2014-07-16
TW200946689A (en) 2009-11-16
HRP20120493T1 (en) 2012-07-31
PL2243566T3 (en) 2012-11-30
HRP20120750T1 (en) 2012-10-31
CA2742873A1 (en) 2009-08-04
US20120168043A1 (en) 2012-07-05
ES2385182T3 (en) 2012-07-19
ES2382728T3 (en) 2012-06-12
DK2243565T3 (en) 2012-07-09
AU2011200892B2 (en) 2014-06-12
CA2742949C (en) 2013-04-02
PL2085160T3 (en) 2012-09-28
JP2012184510A (en) 2012-09-27
AU2015203117A1 (en) 2015-07-09
US20090200713A1 (en) 2009-08-13
BRPI0900474B1 (en) 2020-02-11
EP2241384A1 (en) 2010-10-20
BR122019018876B1 (en) 2020-11-24
CN101509060A (en) 2009-08-19
EP2243565B1 (en) 2012-03-21
HRP20120590T1 (en) 2012-08-31
CN102010969A (en) 2011-04-13
SI2241384T1 (en) 2012-05-31
HRP20120492T1 (en) 2012-07-31
JP2012183589A (en) 2012-09-27
CN102010969B (en) 2022-06-03
CA2742939C (en) 2013-04-02
AU2011200883B2 (en) 2014-12-04
JP5551734B2 (en) 2014-07-16
CN102010968A (en) 2011-04-13
JP5551735B2 (en) 2014-07-16
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JP2012193455A (en) 2012-10-11
ATE550112T1 (en) 2012-04-15
ES2384441T3 (en) 2012-07-04
ATE554867T1 (en) 2012-05-15
CN102010970B (en) 2013-04-03
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BR122019018877B1 (en) 2020-11-24
CA2742939A1 (en) 2009-08-04

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