EP1807230A1 - Control and/or regulating device for a supporting roll frame of a continuous casting device for metals, especially steel - Google Patents

Control and/or regulating device for a supporting roll frame of a continuous casting device for metals, especially steel

Info

Publication number
EP1807230A1
EP1807230A1 EP05811242A EP05811242A EP1807230A1 EP 1807230 A1 EP1807230 A1 EP 1807230A1 EP 05811242 A EP05811242 A EP 05811242A EP 05811242 A EP05811242 A EP 05811242A EP 1807230 A1 EP1807230 A1 EP 1807230A1
Authority
EP
European Patent Office
Prior art keywords
controller
roller segment
signals
roller
axis controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05811242A
Other languages
German (de)
French (fr)
Other versions
EP1807230B1 (en
Inventor
Ronald Wilmes
Hans Esau Klassen
Bujor Dumitriu
Paul-Christian Hopp
Christian Geerkens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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Filing date
Publication date
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock

Definitions

  • the invention relates to a control and / or regulating device for a Stützrol ⁇ lengerüst a continuous casting for metals, especially for Stahlwerk ⁇ materials, which consists of several successive roll segments, each supporting the supporting roles subframe and an opposite upper frame by means of paired pistons Cylinder units can be set against each other regulated, for conveying, straightening and / or for improving the internal quality and for the change in thickness, wherein the measurement data of field devices are detected and processed decentralized.
  • the distance to the control circuit in the wheelhouse on the casting platform is still very large and can be up to 100 m. Since each roller segment has 4 position sensors, 4 sets of control valves (servo or switching valves) and, in some cases, eight pressure transducers / pressure transducers, four synchronous-serial interfaces and 12 analogue or digital signals must be processed per segment. In a continuous casting plant are often more than 15 ange ⁇ presented role segments: in these 60 synchronous serial interfaces and 180 analog or 240 digital signals to be processed by a control valve. With this large number of signals to be processed, the cost of a central control circuit is too high and the central control circuit reaches its limits of performance.
  • a decentralized control circuit is known (WO 01/94052 A1) which makes a method of decentralized casting data processing of the measured data obtained by sensors via sensors in a process computer of the control of the continuous casting plant more efficient and simplifies the device by providing Measurement and control data collected in cooled fieldbus modules directly on the continuous casting mold and transferred in bus signals in a bus line and stored at least in the control of Strangg cordan ⁇ situation and / or processed.
  • the object of the invention is to improve the field cabling and the control concept of the strand guide by displacing functions on or next to a roller segment.
  • the field devices are arranged on or on the roller segments or in the vicinity of the roller segment on the stationary hall frame and their measurement signals are processed and stored by means of axis controllers and with a programmable memory Communicate control via a fieldbus module.
  • the resulting measurement signals are processed and stored directly on site in smaller control circuits (the axis controllers).
  • Such an axis controller works separately for each roller segment and performs all control and monitoring tasks.
  • All axis controllers communicate with a programmable controller via a fieldbus module.
  • Such axis controllers are circuits based on special microprocessors, which are used to control servo axes.
  • the standard software in motion control adds a real-time control for the axis setting.
  • the motion control has, for example, interfaces for:
  • the movement control used for the application comprises a keyboard and a data display device (display).
  • the application software is standard and stored in a repeatable memory.
  • the motion control is able to control several axes. Based on a graphical menu, the motion control is adjusted to the axis type via parameters and to the type of position feedback. Programming is not necessary.
  • the motion control receives the required setpoints and the start movement via the fieldbus or network connection and links these back to the higher-level system with the position and a status display.
  • the application is made to the piston-cylinder units of the roller segments, i. their main axes, such as the hydraulic cylinder axis.
  • a first embodiment consists in that the field devices are connected to the axle controller in a terminal box on the roller segment upper frame, switching valves are provided on the roller segment upper frame and connected to the axis controller and by the axis controller via a detachable media coupling by means of cable packages with a terminal box, which is arranged on the stationary hall scaffold, is connected via a field bus module with the programmable logic controller in a control room of Strang ⁇ pouring device.
  • the axis controllers receive setpoint specifications and report warnings or faults back to the programmable logic controller.
  • the programmable logic controller can also transmit this information to a visualization device.
  • a second embodiment is designed such that on the Rollen ⁇ segment upper frame, the signals of the position sensor from the Hydraulikzylin ⁇ countries are each guided to a terminal box, that formed by means of a lösba ⁇ ren media coupling cable package from the roll segment on the stationary hall scaffold or to the continuous casting apparatus and an axis controller, that a valve stand is connected to the axis controller on the stationary frame and that the signals from the axis controller via a fieldbus module to the programmable logic controller in a control room of the continuous casting is.
  • the control and the control is also improved or simplified.
  • the axis controller monitors the stored signals for positioning the support rollers, synchronizing the driven support rollers of neighboring roller segments, for left or right hydraulic cylinders or for the inlet side or outlet side, monitoring the condition of the sensors , a roller segment coding, for maintenance cycles u.
  • the axis controller monitors the stored signals for positioning the support rollers, synchronizing the driven support rollers of neighboring roller segments, for left or right hydraulic cylinders or for the inlet side or outlet side, monitoring the condition of the sensors , a roller segment coding, for maintenance cycles u.
  • Another embodiment consists in that the terminal boxes are cooled by means of the machine cooling water present on the upper frame of the roller segment.
  • the fieldbus modules can be physically connected by means of electrical metal lines, optical waveguides or wireless transmission technology or infrared signals.
  • three cables are sufficient to supply a roller segment: for the power supply of the axis controller, for the power supply of the field bus module and for the data of the field bus module.
  • the cables of the cable package for thematsver ⁇ supply, the axis controller and the field bus modules are connected by means of a common connector.
  • 1 is a side view of a continuous casting with hall scaffold
  • FIG. 3 shows a schematic representation in modular form of a first exemplary embodiment
  • FIG. 4 shows a schematic diagram in modular form of a second exemplary embodiment.
  • the continuous casting apparatus 1 has a support roll stand 2, in which the casting strand 7, which has flowed out of a casting ladle 4 from a ladle 4 via an outlet 5 and a continuous casting mold 6 and is partially cooled, is supported and further cooled.
  • the support roller frame 2 consists of several, often up to 15 roller segments 8, of which the first Rollenseg ⁇ ment 8a surrounded by a steam chamber 9.
  • Each of the successive roller segments 8 is formed of a support frame 10 supporting sub-frame 11 and an opposite upper frame 12.
  • the subframe 11 and the upper frame 12 are each by means of paired piston-cylinder units 13, see. Fig. 2, against each other regulated adjustable, of which in Fig. 2 two pairs with their hydraulic cylinders 13a are visible.
  • the field device 14 can in each case replace a central control system by a respective decentralized one in two ways:
  • the field devices 14 are located on or on the roller segment 8 or in the vicinity of the roller segment 8 on the stationary hall 17, which is also referred to as so-called.
  • the measuring signals are processed and stored via axis controller 18 and the axis controllers 18 communicate with a programmable controller 19 and with a fieldbus module 20.
  • the first type of assignment of measuring elements and assemblies is that on or on the roller segment upper frame 12, the field devices 14 are connected to the axis controllers 18 in a terminal box 21, provided on the roller segment upper frame 12 switching valves 15 and the axis controllers 18 are connected and from the axis controller 18 via a detachable media coupling 22 by means of a cable pact 23 to a fixed terminal box 24, which is on the stationary hall scaffold 17 ( Figure 1) angeord ⁇ net is connected, and via a fieldbus module 20 with the memory pro programmable controller 19 in a control chamber 25 of the Strangg intelligent ⁇ device 1 is connected (Fig. 3).
  • the second way of assigning measuring elements and assemblies according to FIG. 4 is that on the roller segment upper frame 12 the signals of the position sensors from the hydraulic cylinders 13 a are respectively led to the terminal box 21.
  • a cable package 23 formed by means of a detachable media coupling 22 is guided by its roller segment 8 onto the stationary hall frame 17 or onto the continuous casting apparatus 1 and the axis controller 18.
  • a valve stand 26 is connected to the stationary stand 17.
  • the signals from the axis controller 18 are fed via the field bus module 20 to a programmable logic controller 19 in the control chamber 25 of the continuous casting apparatus 1.
  • the axis controller 18 processes the stored signals for positioning, synchronization, for left or right hydraulic cylinder 13a or for the activation of the inlet or outlet side of the cast strand 7, the state of the sensors, a role segment coding, for maintenance cycles or similar functions ,
  • the terminal boxes 21 on the upper frame 12 of a roller segment 8 are cooled with the machine cooling water otherwise available there.
  • the field bus modules 20 are physically connected and connected by means of electrical metal lines, or optical fibers or wireless transmission technology or infrared signals.
  • the cables of the cable package 23 for the power supply transport the energy for the axis controller 18 and the field bus modules 20 and form a common connector 22 a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Metal Rolling (AREA)
  • Control Of Conveyors (AREA)

Abstract

A controlling and/or regulating device for a supporting roll stand ( 2 ) of a continuous casting installation ( 1 ) for metals, especially for steel materials ( 3 ), comprises a plurality of successive roll segments ( 8 ) with lower frames ( 11 ) and upper frames ( 12 ) which can be adjusted relative to the other and pairs of piston-cylinder units ( 13 ). The measurement data of field devices ( 14 ) are acquired locally and processed. The controlling and/or regulating device simplifies the field cabling and the regulating concept by relocating functions to or next to a roll segment ( 8 ) in that the field devices ( 14 ) are arranged at or on the roll segment ( 8 ) or in the vicinity of the roll segment ( 8 ) at the stationary shop scaffold ( 17 ), and their measurement signals are processed by axle regulators ( 18 ) and are stored and communicate with a memory-programmable control unit ( 19 ) by a fieldbus module ( 20 ).

Description

Steuer- und / oder Regeleinrichtung für ein Stützrollengerüst einer Stranggießvorrichtung für Metalle, insbesondere für StahlwerkstoffeControl and / or regulating device for a support roll stand of a continuous casting apparatus for metals, in particular for steel materials
Die Erfindung betrifft eine Steuer- und / oder Regeleinrichtung für ein Stützrol¬ lengerüst einer Stranggießvorrichtung für Metalle, insbesondere für Stahlwerk¬ stoffe, das aus mehreren aufeinander folgenden Rollensegmenten besteht, die jeweils über die Stützrollen tragenden Unterrahmen und einen gegenüberlie- genden Oberrahmen mittels paarweisen Kolben-Zylinder-Einheiten gegenein¬ ander geregelt anstellbar sind, zum Fördern, Richten und / oder zur Verbesse¬ rung der Innenqualität und zur Dickenänderung, wobei die Messdaten von Feldgeräten dezentral erfasst und verarbeitet werden.The invention relates to a control and / or regulating device for a Stützrol¬ lengerüst a continuous casting for metals, especially for Stahlwerk¬ materials, which consists of several successive roll segments, each supporting the supporting roles subframe and an opposite upper frame by means of paired pistons Cylinder units can be set against each other regulated, for conveying, straightening and / or for improving the internal quality and for the change in thickness, wherein the measurement data of field devices are detected and processed decentralized.
Zur Anstellung nur eines Hydraulikzylinders sind die verschiedenen Signale, die im Bereich dieses Hydraulikzylinders entstehen und umgesetzt werden müssen, mit einem Regelungsteil elektrisch zu verbinden. Aus diesem Grund ist einer¬ seits die Feldverkabelung der Rollensegmente und damit der gesamten Strang¬ führung bis zur zentral installierten Regelungsschaltung sehr aufwendig. Ande- rerseits ist aufgrund der großen Anzahl der zu verarbeitenden Signale eine zentrale Regelungsschaltung ebenfalls sehr aufwendig.For the employment of only one hydraulic cylinder, the various signals that arise and must be implemented in the region of this hydraulic cylinder to be electrically connected to a control part. For this reason, on the one hand, the field cabling of the roller segments and thus of the entire strand guide to the centrally installed control circuit is very complicated. On the other hand, due to the large number of signals to be processed, a central control circuit is also very expensive.
Die Distanz zur Regelungsschaltung im Steuerhaus auf der Gießbühne ist nach wie vor sehr groß und kann bis zu 100 m betragen. Da jedes Rollensegment 4 Positionsgeber, 4 Sätze Regelungsventile (Servo- bzw. Schaltventile) und in einigen Fällen acht Druckaufnehmer / Druckgeber aufweist, müssen je Segment vier synchron-serielle Schnittstellen und 12 Analog- bzw. Digital-Signale verar¬ beitet werden. In einer Stranggießanlage befinden sich oft mehr als 15 ange¬ stellte Rollensegmente: in diesen sind 60 synchron-serielle Schnittstellen und 180 Analog- bzw. 240 Digital-Signale von einem Regelventil zu verarbeiten. Bei dieser hohen Anzahl von zu verarbeitenden Signalen sind die Kosten für eine zentrale Regelungsschaltung zu hoch und die zentrale Regelungsschaltung stößt an ihre Grenzen der Leistungsfähigkeit. Es ist eine dezentrale Regelungsschaltung bekannt (WO 01 / 94052 A1 ), die ein Verfahren zur dezentralen Gießdatenverarbeitung der an einer Stranggießkokil¬ le über Sensoren gewonnenen Messdaten in einem Prozessrechner der Steue¬ rung der Stranggießanlage die Messstrecke effizienter macht und vereinfacht die Einrichtung, indem die Mess- und Steuerdaten in gekühlten Feldbus- Modulen unmittelbar auf der Stranggießkokille gesammelt und in Bus-Signale in eine Bus-Leitung überführt und zumindest in der Steuerung der Stranggießan¬ lage gespeichert und / oder verarbeitet werden.The distance to the control circuit in the wheelhouse on the casting platform is still very large and can be up to 100 m. Since each roller segment has 4 position sensors, 4 sets of control valves (servo or switching valves) and, in some cases, eight pressure transducers / pressure transducers, four synchronous-serial interfaces and 12 analogue or digital signals must be processed per segment. In a continuous casting plant are often more than 15 ange¬ presented role segments: in these 60 synchronous serial interfaces and 180 analog or 240 digital signals to be processed by a control valve. With this large number of signals to be processed, the cost of a central control circuit is too high and the central control circuit reaches its limits of performance. A decentralized control circuit is known (WO 01/94052 A1) which makes a method of decentralized casting data processing of the measured data obtained by sensors via sensors in a process computer of the control of the continuous casting plant more efficient and simplifies the device by providing Measurement and control data collected in cooled fieldbus modules directly on the continuous casting mold and transferred in bus signals in a bus line and stored at least in the control of Stranggießan¬ situation and / or processed.
Der Erfindung liegt die Aufgabe zugrunde, die Feldverkabelung und das Rege¬ lungskonzept der Strangführung durch Verlagern von Funktionen auf oder ne¬ ben ein Rollensegment zu verbessern.The object of the invention is to improve the field cabling and the control concept of the strand guide by displacing functions on or next to a roller segment.
Die gestellte Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Feldgerä- te an oder auf den Rollensegmenten oder in der Nähe des Rollensegmentes an dem ortsfesten Hallen-Gerüst angeordnet und deren Messsignale über Ach¬ sen-Regler verarbeitet und gespeichert werden und mit einer speicherpro¬ grammierbaren Steuerung über ein Feldbusmodul kommunizieren. Die entste¬ henden Messsignale werden unmittelbar vor Ort in kleineren Regelungsschal- tungen (den Achsen-Reglern) verarbeitet und gespeichert. Ein solcher Achsen- Regler arbeitet für jedes Rollensegment separat und übernimmt sämtliche Re- gelungs- und Überwachungsaufgaben. Sämtliche Achsen-Regler kommunizie¬ ren mit einer speicherprogrammierten Steuerung über ein Feldbusmodul. Sol¬ che Achsen-Regler sind auf speziellen Mikroprozessoren basierende Schaltun- gen, die zur Steuerung von Servo-Achsen eingesetzt werden. Die Standard- Software in der Bewegungs-Steuerung fügt eine Echtzeit-Steuerung für die Achsen-Einstellung ein. Die Bewegungs-Steuerung besitzt bspw. Schnittstellen für:This object is achieved according to the invention in that the field devices are arranged on or on the roller segments or in the vicinity of the roller segment on the stationary hall frame and their measurement signals are processed and stored by means of axis controllers and with a programmable memory Communicate control via a fieldbus module. The resulting measurement signals are processed and stored directly on site in smaller control circuits (the axis controllers). Such an axis controller works separately for each roller segment and performs all control and monitoring tasks. All axis controllers communicate with a programmable controller via a fieldbus module. Such axis controllers are circuits based on special microprocessors, which are used to control servo axes. The standard software in motion control adds a real-time control for the axis setting. The motion control has, for example, interfaces for:
- Absolut- oder Inkremental-Positionsgeber - Digital- oder Analog- Ein- oder Ausgänge,- absolute or incremental position encoder - digital or analog inputs or outputs,
- einen Feldbus, - ein Netzwerk.a fieldbus, - a network.
Die für die Anwendung eingesetzte Bewegungs-Steuerung umfasst eine Tasta¬ tur und eine Datenanzeigeeinrichtung ( Display). Die Anwendungs-Software ist Standard und ist in einem wiederholbaren Speicher gespeichert. Die Bewe¬ gungs-Steuerung ist in der Lage, mehrere Achsen zu steuern. Auf einem grafi- sehen Menü basierend, wird die Bewegungs-Steuerung über Parameter an den Achsen-Typ angepasst und an den Typ der Positions-Rückführung. Ein Pro¬ grammieren ist nicht notwendig. Über den Feldbus- oder den Netzwerks- Anschluss erhält die Bewegungs-Steuerung die erforderlichen Sollwerte und die Start-Bewegung und koppelt diese auf das übergeordnete System mit der Posi- tion und einer Zustandsanzeige zurück. Die Anwendung erfolgt auf die Kolben- Zylinder-Einheiten der Rollensegmente, d.h. deren Hauptachsen, wie bspw. der Hydraulikzylinder-Achse.The movement control used for the application comprises a keyboard and a data display device (display). The application software is standard and stored in a repeatable memory. The motion control is able to control several axes. Based on a graphical menu, the motion control is adjusted to the axis type via parameters and to the type of position feedback. Programming is not necessary. The motion control receives the required setpoints and the start movement via the fieldbus or network connection and links these back to the higher-level system with the position and a status display. The application is made to the piston-cylinder units of the roller segments, i. their main axes, such as the hydraulic cylinder axis.
Grundsätzlich wird eine Verbesserung der Regelung und Steuerung durch zwei Arten von Schaltkreisen erzielt.Basically, an improvement of the control and regulation is achieved by two types of circuits.
Eine erste Ausführungsform besteht darin, dass auf dem Rollensegment-Ober¬ rahmen die Feldgeräte an dem Achsen-Regler in einem Klemmenkasten ange¬ schlossen sind, auf dem Rollensegment-Oberrahmen Schaltventile vorgesehen und mit dem Achsen-Regler verbunden sind und von dem Achsen-Regler über eine lösbare Medienkupplung mittels Kabelpaketen mit einem Klemmenkasten, der auf dem ortsfesten Hallen-Gerüst angeordnet ist, über ein Feldbusmodul mit der speicherprogrammierbaren Steuerung in einem Steuerraum der Strang¬ gießvorrichtung verbunden ist. Die Achsen-Regler erhalten Sollwertvorgaben und melden Warnungen oder Störungen an die speicherprogrammierbare Steuerung zurück. Die speicherprogrammierbare Steuerung kann diese Infor¬ mationen auch an eine Visualisierungseinrichtung übertragen. Bei Variation der Anzahl von Rollensegmenten in verschiedenen Stranggießanlagen können die Aufwendungen für die Applikations-Software in der speicherprogrammierbaren Steuerung minimiert werden. Eine zweite Ausführungsform ist dahingehend gestaltet, dass auf dem Rollen¬ segment-Oberrahmen die Signale der Positionsgeber aus den Hydraulikzylin¬ dern jeweils an einen Klemmenkasten geführt sind, dass ein mittels einer lösba¬ ren Medienkupplung gebildetes Kabelpaket von dem Rollensegment auf das ortsfeste Hallen-Gerüst oder auf die Stranggießvorrichtung und einen Achsen- Regler geführt sind, dass an den Achsen-Regler ein Ventilstand auf dem orts¬ festen Gerüst angeschlossen ist und dass die Signale von dem Achsen-Regler über ein Feldbusmodul zu der speicherprogrammierbaren Steuerung in einen Steuerraum der Stranggießvorrichtung geführt ist. Dadurch wird die Steuerung und die Regelung ebenfalls verbessert bzw. vereinfacht.A first embodiment consists in that the field devices are connected to the axle controller in a terminal box on the roller segment upper frame, switching valves are provided on the roller segment upper frame and connected to the axis controller and by the axis controller via a detachable media coupling by means of cable packages with a terminal box, which is arranged on the stationary hall scaffold, is connected via a field bus module with the programmable logic controller in a control room of Strang¬ pouring device. The axis controllers receive setpoint specifications and report warnings or faults back to the programmable logic controller. The programmable logic controller can also transmit this information to a visualization device. By varying the number of roll segments in different continuous casting plants, the expenses for the application software in the programmable logic controller can be minimized. A second embodiment is designed such that on the Rollen¬ segment upper frame, the signals of the position sensor from the Hydraulikzylin¬ countries are each guided to a terminal box, that formed by means of a lösba¬ ren media coupling cable package from the roll segment on the stationary hall scaffold or to the continuous casting apparatus and an axis controller, that a valve stand is connected to the axis controller on the stationary frame and that the signals from the axis controller via a fieldbus module to the programmable logic controller in a control room of the continuous casting is. As a result, the control and the control is also improved or simplified.
Eine Ausgestaltung sieht vor, dass der Achsen-Regler die gespeicherten Signa¬ le zum Positionieren der Stützrollen, Synchronisieren der angetriebenen Stütz¬ rollen von Nachbar-Rollensegmenten, für linke oder rechte Hydraulikzylinder bzw. für die Einlaufseite oder Auslaufseite, die Überwachung des Zustandes der Sensoren, eine Rollensegment-Kodierung, für Wartungszyklen u. dgl. ver¬ arbeitet.One embodiment provides that the axis controller monitors the stored signals for positioning the support rollers, synchronizing the driven support rollers of neighboring roller segments, for left or right hydraulic cylinders or for the inlet side or outlet side, monitoring the condition of the sensors , a roller segment coding, for maintenance cycles u. Like. ver¬ works.
Eine andere Ausgestaltung besteht darin, dass die Klemmenkästen mittels des auf dem Oberrahmen des Rollensegmentes vorhandenen Maschinenkühlwas- sers gekühlt sind.Another embodiment consists in that the terminal boxes are cooled by means of the machine cooling water present on the upper frame of the roller segment.
Weitere Erfindungsmerkmale ergeben sich dadurch, dass die Feldbusmodule physikalisch mittels elektrischen Metallleitungen, Lichtwellenleitern oder draht¬ loser Übertragungstechnik oder Infrarot-Signalen anschließbar sind. Für das erste Ausführungsbeispiel der Signalübertragung reichen drei Kabel zur Ver¬ sorgung eines Rollensegmentes aus: Für die Spannungsversorgung des Ach¬ sen-Reglers, für die Spannungsversorgung des Feldbusmoduls und für die Da¬ ten des Feldbusmoduls. Weitere Merkmale sind, dass die Kabel des Kabelpakets für die Spannungsver¬ sorgung, die Achsen-Regler und die Feldbusmodule mittels einer gemeinsamen Steckverbindung angeschlossen sind.Other features of the invention result from the fact that the fieldbus modules can be physically connected by means of electrical metal lines, optical waveguides or wireless transmission technology or infrared signals. For the first exemplary embodiment of the signal transmission, three cables are sufficient to supply a roller segment: for the power supply of the axis controller, for the power supply of the field bus module and for the data of the field bus module. Further features are that the cables of the cable package for the Spannungsver¬ supply, the axis controller and the field bus modules are connected by means of a common connector.
Schließlich ist eine Ausgestaltung dadurch gegeben, dass die Kabel für die Sig- nale der Positionsgeber, vom Klemmenkasten auf dem Rollensegment mittels einer Medienkupplung als lösbare Steckverbindung zum Achsen-Regler ausge¬ bildet ist. Hier müssen lediglich die in den Hydraulikzylindern integrierten Positi¬ onsgeber eines jeden Rollensegmentes über die Steckverbindung zum Ven¬ tilstand aus dem Hallen-Gerüst und von dort aus mit allen anderen Signalen mit dem vor Ort installierten Achsen-Regler verbunden werden.Finally, an embodiment is given by the fact that the cable for the signals of the position transmitter, from the terminal box on the roller segment by means of a media coupling ausge¬ forms as a detachable plug connection to the axis controller. Here, only the position encoders of each roller segment integrated in the hydraulic cylinders have to be connected via the plug-in connection to the valve frame from the hall scaffolding and from there with all other signals to the on-site installed axis regulator.
In der Zeichnung sind Ausführungsbeispiele der Erfindung dargestellt, die nach¬ stehend näher erläutert werden.In the drawing, embodiments of the invention are shown, which are explained in more detail nach¬ standing.
Es zeigen:Show it:
Fig. 1 eine Seitenansicht einer Stranggießvorrichtung mit Hallen-Gerüst,1 is a side view of a continuous casting with hall scaffold,
Fig. 2 eine perspektivische Darstellung eines Rollensegmentes,2 is a perspective view of a roller segment,
Fig. 3 eine Prinzip-Darstellung in Baukasten-Art eines ersten Ausfüh¬ rungsbeispiels undFIG. 3 shows a schematic representation in modular form of a first exemplary embodiment and FIG
Fig. 4 eine Prinzip-Darstellung in Baukasten-Art eines zweiten Ausfüh¬ rungsbeispiels.4 shows a schematic diagram in modular form of a second exemplary embodiment.
Die Stranggießvorrichtung 1 gemäß Fig. 1 weist ein Stützrollengerüst 2 auf, in dem der aus flüssigem Stahlwerkstoff 3 aus einer Gießpfanne 4 über einen Ver- teuer 5 und eine Stranggießkokille 6 geflossene und teilweise abgekühlte Gie߬ strang 7 gestützt und weiter gekühlt wird. Das Stützrollengerüst 2 besteht aus mehreren, oft bis zu 15 Rollensegmenten 8, von denen das erste Rollenseg¬ ment 8a von einer Dampfkammer 9 umgeben ist. Jedes der aufeinander fol¬ genden Rollensegmente 8 ist aus einem Stützrollen 10 tragenden Unterrahmen 11 und einem gegenüberliegenden Oberrahmen 12 gebildet. Der Unterrahmen 11 und der Oberrahmen 12 sind jeweils mittels paarweisen Kolben-Zylinder- Einheiten 13, vgl. Fig. 2, gegeneinander geregelt anstellbar, von denen in Fig. 2 zwei Paare mit ihren Hydraulikzylindern 13a sichtbar sind. Das Messen der hyd¬ raulischen Drücke, Positionen der Kolben usw. mit dem Ergebnis aus Messda¬ ten wird mittels Sensoren, Positionsgebern, Druckgebern, Regelventilen u. dgl. erhalten, die zusammengefasst unter dem Begriff von Feldgeräten 14 zu ver- stehen sind. Außerdem werden Schaltventile 15 und Regelventilblöcke 16 ein¬ gesetzt. Die dadurch gesteuerten und / oder geregelten Kolben-Zylinder- Einheiten 13 fördern, richten und / oder verbessern die Innenqualität des Gie߬ strangs 7 und berücksichtigen über die Stützrollen 10 örtliche Dickenänderun¬ gen.The continuous casting apparatus 1 according to FIG. 1 has a support roll stand 2, in which the casting strand 7, which has flowed out of a casting ladle 4 from a ladle 4 via an outlet 5 and a continuous casting mold 6 and is partially cooled, is supported and further cooled. The support roller frame 2 consists of several, often up to 15 roller segments 8, of which the first Rollenseg¬ ment 8a surrounded by a steam chamber 9. Each of the successive roller segments 8 is formed of a support frame 10 supporting sub-frame 11 and an opposite upper frame 12. The subframe 11 and the upper frame 12 are each by means of paired piston-cylinder units 13, see. Fig. 2, against each other regulated adjustable, of which in Fig. 2 two pairs with their hydraulic cylinders 13a are visible. The measurement of the hydraulic pressures, positions of the pistons, etc., with the result from measured data is determined by means of sensors, position sensors, pressure sensors, control valves and the like. Like. Get summarized under the concept of field devices 14 to understand. In addition, switching valves 15 and control valve blocks 16 are set ein¬. The thereby controlled and / or regulated piston-cylinder units 13 promote, direct and / or improve the internal quality of the Gie߬ strand 7 and consider on the support rollers 10 local Dickenänderun¬ conditions.
Das Feldgerät 14 kann jeweils auf zwei Arten ein zentrales Regelungssystem durch ein jeweils dezentrales ersetzen: Die Feldgeräte 14 werden am oder auf dem Rollensegment 8 oder in der Nähe des Rollensegmentes 8 an dem ortsfes¬ ten Hallen-Gerüst 17, das auch als sogen. "Festland" bezeichnet wird, ange- ordnet, wobei deren Messsignale über Achsen-Regler 18 verarbeitet und ge¬ speichert werden und wobei die Achsen-Regler 18 mit einer speicherprogram¬ mierbaren Steuerung 19 und mit einem Feldbusmodul 20 kommunizieren.The field device 14 can in each case replace a central control system by a respective decentralized one in two ways: The field devices 14 are located on or on the roller segment 8 or in the vicinity of the roller segment 8 on the stationary hall 17, which is also referred to as so-called. The measuring signals are processed and stored via axis controller 18 and the axis controllers 18 communicate with a programmable controller 19 and with a fieldbus module 20.
Die erste Art der Zuordnung von Messelementen und Baugruppen besteht dar- in, dass an oder auf dem Rollensegment-Oberrahmen 12 die Feldgeräte 14 an den Achsen-Reglern 18 in einem Klemmenkasten 21 angeschlossen sind, auf dem Rollensegment-Oberrahmen 12 Schaltventile 15 vorgesehen und mit den Achsen-Reglern 18 verbunden sind und von dem Achsen-Regler 18 über eine lösbare Medienkupplung 22 mittels eines Kabelpaktes 23 an einen ortsfesten Klemmenkasten 24, der auf dem ortsfesten Hallen-Gerüst 17 (Fig. 1) angeord¬ net ist, angeschlossen ist und über ein Feldbusmodul 20 mit der speicherpro- grammierbaren Steuerung 19 in einem Steuerraum 25 der Stranggießvorrich¬ tung 1 verbunden ist (Fig. 3).The first type of assignment of measuring elements and assemblies is that on or on the roller segment upper frame 12, the field devices 14 are connected to the axis controllers 18 in a terminal box 21, provided on the roller segment upper frame 12 switching valves 15 and the axis controllers 18 are connected and from the axis controller 18 via a detachable media coupling 22 by means of a cable pact 23 to a fixed terminal box 24, which is on the stationary hall scaffold 17 (Figure 1) angeord¬ net is connected, and via a fieldbus module 20 with the memory pro programmable controller 19 in a control chamber 25 of the Stranggießvorrich¬ device 1 is connected (Fig. 3).
Die zweite Art der Zuordnung von Messelementen und Baugruppen gemäß Fig.4 besteht darin, dass auf dem Rollensegment-Oberrahmen 12 die Signale der Positionsgeber aus den Hydraulikzylindern 13a jeweils an den Klemmen¬ kasten 21 geführt sind. Ein mittels einer lösbaren Medienkupplung 22 gebilde¬ tes Kabelpaket 23 ist von seinem Rollensegment 8 auf das ortsfeste Hallen- Gerüst 17 oder auf die Stranggießvorrichtung 1 und den Achsen-Regler 18 ge¬ führt. An diesen Achsen-Reglern 18 ist ein Ventilstand 26 auf dem ortsfesten Gerüst 17 angeschlossen. Die Signale von dem Achsen-Regler 18 werden über das Feldbusmodul 20 zu einer speicherprogrammierbaren Steuerung 19 in den Steuerraum 25 der Stranggießvorrichtung 1 geführt.The second way of assigning measuring elements and assemblies according to FIG. 4 is that on the roller segment upper frame 12 the signals of the position sensors from the hydraulic cylinders 13 a are respectively led to the terminal box 21. A cable package 23 formed by means of a detachable media coupling 22 is guided by its roller segment 8 onto the stationary hall frame 17 or onto the continuous casting apparatus 1 and the axis controller 18. At these axis regulators 18, a valve stand 26 is connected to the stationary stand 17. The signals from the axis controller 18 are fed via the field bus module 20 to a programmable logic controller 19 in the control chamber 25 of the continuous casting apparatus 1.
Der Achsen-Regler 18 verarbeitet die gespeicherten Signale zum Positionieren, Synchronisieren, für linke oder rechte Hydraulikzylinder 13a oder für die Aktivie¬ rung der Ein- oder Auslaufseite des Gießstrangs 7, den Zustand der Sensoren, eine Rollensegment-Kodierung, für Wartungszyklen oder ähnliche Funktionen.The axis controller 18 processes the stored signals for positioning, synchronization, for left or right hydraulic cylinder 13a or for the activation of the inlet or outlet side of the cast strand 7, the state of the sensors, a role segment coding, for maintenance cycles or similar functions ,
Die Klemmenkästen 21 auf dem Oberrahmen 12 eines Rollensegments 8 wer- den mit dem dort anderweitig zur Verfügung stehenden Maschinenkühlwasser gekühlt.The terminal boxes 21 on the upper frame 12 of a roller segment 8 are cooled with the machine cooling water otherwise available there.
Die Feldbusmodule 20 werden physikalisch mittels elektrischen Metallleitungen, oder Lichtwellenleitern oder drahtloser Übertragungstechnik oder Infrarot- Signale angeschlossen und verbunden.The field bus modules 20 are physically connected and connected by means of electrical metal lines, or optical fibers or wireless transmission technology or infrared signals.
Die Kabel des Kabelpaketes 23 für die Spannungsversorgung transportieren die Energie für die Achsen-Regler 18 und die Feldbusmodule 20 und bilden eine gemeinsame Steckverbindung 22a. Bezugszeichenliste:The cables of the cable package 23 for the power supply transport the energy for the axis controller 18 and the field bus modules 20 and form a common connector 22 a. LIST OF REFERENCE NUMBERS
1 Stranggießvorrichtung1 continuous casting machine
2 Stützrollengerüst2 support roller frame
3 flüssiger Stahlwerkstoff3 liquid steel material
4 Gießpfanne4 ladle
5 Verteiler5 distributors
6 Stranggießkokille6 continuous casting mold
7 Gießstrang7 cast strand
8 Rollensegment8 roll segment
8a erstes Rollensegment8a first roller segment
9 Kammer9 chamber
10 Stützrolle10 support roller
11 Unterrahmen11 subframe
12 Oberrahmen12 upper frame
13 Kolben-Zylinder-Einheit13 piston-cylinder unit
13a Hydraulikzylinder13a hydraulic cylinder
14 Feldgerät14 field device
15 Schaltventil15 switching valve
16 Regelventilblock16 control valve block
17 Hallen-Gerüst17 hall scaffolding
18 Achsen-Regler18 axis controller
19 speicherprogrammierbare Steuerung19 programmable logic controller
20 Feldbusmodul20 fieldbus module
21 Klemmenkasten an dem Rollensegment21 Terminal box on the roller segment
21a Klemmenkasten am Hallen-Gerüst21a Terminal box on the hall scaffold
22 lösbare Medienkupplung22 detachable media coupling
22a gemeinsame Steckverbindung22a common plug connection
23 Kabelpaket ortsfester Klemmenkasten Steuerraum Ventilstand 23 cable package fixed terminal box control room valve stand

Claims

Patentansprüche: claims:
1. Steuer- und / oder Regeleinrichtung für ein Stützrollengerüst (2) einer Stranggießvorrichtung (1) für Metalle, insbesondere für Stahlwerkstoffe (3), das aus mehreren aufeinander folgenden Rollensegmenten (8) besteht, die jeweils über die Stützrollen (10) tragenden Unterrahmen (11 ) und einen ge¬ genüberliegenden Oberrahmen (12) mittels paarweisen Kolben-Zylinder- Einheiten (13) gegeneinander geregelt anstellbar sind, zum Fördern, Rich¬ ten und / oder zur Verbesserung der Innenqualität und zur Dickenänderung, wobei die Messdaten von Feldgeräten (14) dezentral erfasst und verarbeitet werden, dadurch gekennzeichnet, dass die Feldgeräte (14) an oder auf den Rollensegmenten (8) oder in der1. Control and / or regulating device for a support roller frame (2) of a continuous casting apparatus (1) for metals, in particular for steel materials (3), which consists of several successive roller segments (8), in each case via the support rollers (10) supporting the subframe (11) and a ge opposing upper frame (12) by means of paired piston-cylinder units (13) are set against each other regulated, for conveying, Rich¬ th and / or improving the internal quality and thickness change, the measured data from field devices ( 14) are decentrally registered and processed, characterized in that the field devices (14) on or on the roller segments (8) or in the
Nähe des Rollensegmentes (8) an dem ortsfesten Hallen-Gerüst (17) ange¬ ordnet sind und deren Messsignale über Achsen-Regler (18) verarbeitet und gespeichert werden und mit einer speicherprogrammierbaren Steuerung (19) über ein Feldbusmodul (20) kommunizieren.Are arranged near the roller segment (8) on the stationary hall scaffold (17) ange¬ and their measurement signals via axis controller (18) are processed and stored and communicate with a programmable logic controller (19) via a field bus module (20).
2. Einrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass auf dem Rollensegment-Oberrahmen (12) die Feldgeräte (14) an dem Achsen-Regler (18) in einem Klemmenkasten (21) angeschlossen sind, auf dem Rollensegment-Oberrahmen (12) Schaltventile (15) vorgesehen und mit dem Achsen-Regler (18) verbunden sind und von dem Achsen-Regler (18) über eine lösbare Medienkupplung (22) mittels eines Kabelpaketes (23) mit ei-nem Klemmenkasten (24), der auf dem ortsfesten Hallen-Gerüst (17) angeordnet ist, über ein Feldbusmodul (20) mit der speicherprogrammierba- ren Steuerung (19) in einem Steuerraum (25) der Stranggießvorrichtung (1) verbunden ist. 2. Device according to claim 1, characterized in that on the roller segment upper frame (12) the field devices (14) are connected to the axis controller (18) in a terminal box (21) on the roller segment upper frame (12) switching valves (15) and are connected to the axis controller (18) and from the axis controller (18) via a detachable media coupling (22) by means of a cable package (23) with ei nem terminal box (24) on the stationary Hall scaffold (17) is arranged, via a field bus module (20) with the programmable logic controller (19) in a control chamber (25) of the continuous casting apparatus (1) is connected.
3. Einrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass auf dem Rollensegment-Oberrahmen (12) die Signale der Positionsge¬ ber aus den Hydraulikzylindern (13a) jeweils an einen Klemmenkasten (21) geführt sind, dass ein mittels einer lösbaren Medienkupplung (22) gebildetes3. A device according to claim 1, characterized in that on the roller segment upper frame (12) the signals of the Positionsge¬ from the hydraulic cylinders (13 a) are each guided to a terminal box (21) that by means of a releasable media coupling (22) formed
Kabelpaket (23) von dem Rollensegment (8) auf das ortsfeste Hallen-Gerüst (17) oder auf die Stranggießvorrichtung (1) und einen Achsen-Regler (18) geführt sind, dass an den Achsen-Regler (18) ein Ventilstand (26) auf dem ortsfesten Gerüst (17) angeschlossen ist und dass die Signale von dem Achsen-Regler (18) über ein Feldbusmodul (20) zu der speicherprogram¬ mierbaren Steuerung (19) in einen Steuerraum (25) der Stranggießvorrich¬ tung (1 ) geführt ist.Cable package (23) of the roller segment (8) on the stationary hall scaffold (17) or on the continuous casting (1) and an axis controller (18) are guided, that on the axis controller (18) has a valve (26 ) is connected to the fixed stand (17) and that the signals from the axis controller (18) via a field bus module (20) to the memory programmable controller (19) in a control chamber (25) of the Stranggießvorrich¬ device (1) is guided.
4. Einrichtung nach den Ansprüchen 2 und 3, dadurch gekennzeichnet, dass der Achsen-Regler (18) die gespeicherten Signale zum Positionieren der Stützrollen (10), Synchronisieren der angetriebenen Stützrollen (10) ei¬ nes Nachbar-Rollensegmentes (8), für linke oder rechte Hydraulikzylinder (13a) bzw. für die Einlaufseite oder Auslaufseite, für die Überwachung des Zustande der Sensoren, eine Rollensegment-Kodierung, für Wartungszyklen u. dgl. verarbeitet.4. Device according to claims 2 and 3, characterized in that the axis controller (18) the stored signals for positioning the support rollers (10), synchronizing the driven support rollers (10) ei¬ nes neighboring roller segment (8), for left or right hydraulic cylinder (13a) or for the inlet side or outlet side, for monitoring the state of the sensors, a roller segment coding, for maintenance cycles u. Like. Processed.
5. Einrichtung nach den Ansprüchen 2 und 3, dadurch gekennzeichnet, dass die Klemmenkästen (21) mittels des auf dem Oberrahmen (12) des5. Device according to claims 2 and 3, characterized in that the terminal boxes (21) by means of the on the upper frame (12) of the
Rollensegmentes (8) vorhandenen Maschinenkühlwassers gekühlt sind.Roller segment (8) existing machine cooling water are cooled.
6. Einrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Feldbusmodule (20) physikalisch mittels elektrischen Metallleitun¬ gen, Lichtwellenleitern oder drahtloser Übertragungstechnik oder Infrarot- Signalen anschließbar sind.6. Device according to one of claims 1 to 3, characterized the field bus modules (20) can be connected physically by means of electrical metal lines, optical waveguides or wireless transmission technology or infrared signals.
7. Einrichtung nach einem der Ansprüche 1 bis 3 und 6, dadurch gekennzeichnet, dass die Kabel des Kabelpakets (23) für die Spannungsversorgung, die Ach¬ sen-Regler (18) und die Feldbusmodule (20) mittels einer gemeinsamen Steckverbindung (22a) angeschlossen sind.7. Device according to one of claims 1 to 3 and 6, characterized in that the cable of the cable package (23) for the power supply, the axis sen-controller (18) and the field bus modules (20) by means of a common connector (22a) are connected.
8. Einrichtung nach einem der Ansprüche 1 bis 3 und 6, dadurch gekennzeichnet, dass die Kabel für die Signale der Positionsgeber, vom Klemmenkasten (21) auf dem Rollensegment (8) mittels einer Medienkupplung (22) als lös¬ bare Steckverbindung (22a) zum Achsen-Regler (18) ausgebildet sind. 8. Device according to one of claims 1 to 3 and 6, characterized in that the cables for the signals of the position transmitter, from the terminal box (21) on the roller segment (8) by means of a media coupling (22) as lös¬ bare plug-in connection (22a) to the axis controller (18) are formed.
EP05811242A 2004-11-09 2005-11-04 Control and/or regulating device for a supporting roll frame of a continuous casting device for metals, especially steel Active EP1807230B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004054296.1A DE102004054296B4 (en) 2004-11-09 2004-11-09 Control and / or regulating device for a support roller frame of a continuous casting device for metals, in particular for steel materials
PCT/EP2005/011845 WO2006050868A1 (en) 2004-11-09 2005-11-04 Control and/or regulating device for a supporting roll frame of a continuous casting device for metals, especially steel

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TW200628246A (en) 2006-08-16
CN101031376A (en) 2007-09-05
RU2353466C2 (en) 2009-04-27
CN100469490C (en) 2009-03-18
CA2584640C (en) 2012-04-17
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KR101205275B1 (en) 2012-11-27
TWI409114B (en) 2013-09-21
JP5032329B2 (en) 2012-09-26
CA2584640A1 (en) 2006-05-18
ZA200701347B (en) 2008-08-27
JP2008518789A (en) 2008-06-05
ES2306251T3 (en) 2008-11-01
ATE397505T1 (en) 2008-06-15
DE102004054296B4 (en) 2021-11-11
WO2006050868A1 (en) 2006-05-18
UA86651C2 (en) 2009-05-12
US20080147349A1 (en) 2008-06-19

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