EP2026918A1 - Apparatus and method for guiding a strip - Google Patents

Apparatus and method for guiding a strip

Info

Publication number
EP2026918A1
EP2026918A1 EP07725644A EP07725644A EP2026918A1 EP 2026918 A1 EP2026918 A1 EP 2026918A1 EP 07725644 A EP07725644 A EP 07725644A EP 07725644 A EP07725644 A EP 07725644A EP 2026918 A1 EP2026918 A1 EP 2026918A1
Authority
EP
European Patent Office
Prior art keywords
roller
bearing block
guiding
deformation
belt
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
EP07725644A
Other languages
German (de)
French (fr)
Other versions
EP2026918B1 (en
Inventor
Albrecht Girgensohn
Andreas Runge
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Priority to PL07725644T priority Critical patent/PL2026918T3/en
Publication of EP2026918A1 publication Critical patent/EP2026918A1/en
Application granted granted Critical
Publication of EP2026918B1 publication Critical patent/EP2026918B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/08—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-force
    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0677—Accessories therefor for guiding, supporting or tensioning the casting belts
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B21B39/084—Looper devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters

Definitions

  • the invention relates to a device and a method for guiding a strip, in particular a metal strip by means of one or more rollers. It is the while guiding the tape, d. H. Measured under load on the rollers acting roller force.
  • the object of the invention is to develop a known device and a known method for guiding a metal strip in such a way that they have an alternative device and an alternative method for measuring the force acting on the roller.
  • the solution consists in that the measuring device comprises: a sensor device for detecting the deformation of the bearing block for the roller when guiding the tape and an evaluation device for calculating the force acting on the roller from the detected deformation of the bearing block by the sensor device.
  • the term "band” in the sense of the invention is fundamentally very broad: in general, it means bands of any material and of any desired cross-section, including ropes or threads, but in particular the term means metal bands, especially slabs.
  • roller is likewise to be understood very broadly, and these wheels may in principle also be wheels or deflecting rollers.
  • roller is used here in the sense of a strand guiding roller in a strand guiding device to understand a roll of a rolling stand or in the sense of a role of a looser or intermediate storage for metal strip.
  • the claimed indirect method for measuring the roller force has the advantage that it can be installed with relatively little effort and reliably and reliably delivers measurement results for the roller forces over a longer period of time.
  • An embodiment of the sensor device in the form of an ultrasonic sensor, an eddy current sensor or an optical distance sensor advantageously offers the possibility of a non-contact measurement of the deformation, in which only a small amount of design measures are required on the bearing block.
  • bearing block or the carrier device has a cavity or a recess for receiving the sensor device and / or the evaluation device, this has the advantage that these devices are then arranged in a space close to the location of the deformation to be measured and that they are in the Cavity or the recess from environmental influences, especially moisture, can be protected.
  • the bearing block has a suitable weak point, if its deformation when guiding the strip from the sensor device is representative of the deformation of the bearing block is easily detectable.
  • Particularly simple is the design of the vulnerability in the form of a slot.
  • the sensor device can then advantageously be designed as a simple and inexpensive distance sensor, which then detects the deformation of the bearing block under load in the form of a narrowing of the slot.
  • FIG. 1 shows a device for guiding a metal strip
  • FIG. 2 shows a bearing block of the device in the unloaded state
  • FIG. 3A shows a bearing block in the unloaded state
  • FIG. 1 shows the device 100 according to the invention merely by way of example in the form of a strand guiding device. It serves to guide a band here 200 in the form of a metal strip, in particular in the form of a slab.
  • the carrier device 110 of this device 100 is designed in the form of a segment frame. On the segment frame or on its truss bearing blocks 120 are attached to receive rollers 130. In the strand guide device shown in Figure 1, two rollers 130 are arranged opposite one another; Together they form a roller gap in which the metal strip 200 is guided.
  • Figure 2 shows a cross section through a bearing block 120.
  • the bearing block 120 is fastened to the carrier device 110 with screw connections 128.
  • the bearing block 120 has an artificial one
  • FIG. 2 also shows a measuring device 140 which comprises a sensor device 142 and an associated evaluation device 144.
  • the sensor device 142 is used to detect the deformation of the bearing block under load, d. H. when the strip 200 is being guided.
  • the evaluation device 144 is used to calculate the desired roller force acting on the roller 130 in the event of load from the deformation of the bearing block detected by the sensor device 142.
  • FIGS. 3A and 3B show a comparison between the bearing block in the unloaded state, FIG. 3A, and in the loaded state, FIG. 3B.
  • FIG. 3B clearly shows the deformations resulting from the load F, in particular compression of the bearing block.
  • the measuring device 142 is designed for the embodiment shown in Figures 2 and 3 in the form of a distance sensor, which preferably continuously detects a narrowing of the slot 124 under load compared to a larger slot height in the unloaded state.
  • the detected restriction of the slot 124 represents the deformation of the bearing block 120 under load.
  • the mathematical relationship between the distance measurement signal of the distance sensor and the forces acting on the roller is determined by the characteristic of the measuring sensor and the exact geometry of the bearing block. It creates a simple linear or nearly linear relationship with polynomial portions, so that the acting Forces can be calculated in a simple way from the measured deformations.
  • the evaluation device 144 calculates the desired force F acting on the roller 130 in the event of load.
  • Figure 3B shows an example of the bearing block deformed under load, but heavily oversubscribed.
  • the deformation of the bearing block in the region of the weak point or the slot in a strand guiding device at maximum permissible roller load is only 0.02-0.3 mm.
  • Geometric changes on this scale can be measured without difficulty and thus enable a sufficiently large measuring signal as a representative of the deformation of the bearing block.
  • the weak point offers a suitable means of transforming the deformation of the bearing block into a measurable order of magnitude or making it visible.
  • the weakness is on the one hand to train accordingly. On the other hand, however, it must also be ensured that the bearing block 120 is not unduly weakened by the weak point. Rather, z. B. in an embodiment of the device as a strand guiding device to ensure that the deformation of the weak point remains so small that the strand shell of a slab is not overloaded by the change of the roll position under load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Continuous Casting (AREA)
  • Replacement Of Web Rolls (AREA)
  • Coating With Molten Metal (AREA)
  • Rolling Contact Bearings (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Metal Rolling (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Manufacturing Of Electric Cables (AREA)

Abstract

The invention relates to an apparatus and a method for guiding a strip, in particular a metal strip. Known apparatuses of this type have a carrier device (110) on which bearing blocks (120) arm fastened. Rollers (130) are rotatably mounted in the bearing blocks in order to guide the strip. So that the roller force acting on the roller in the loading case, i.e. during the guidance of the strip, can be measured in a lasting and reliable manner, it is proposed according to the invention to detect the deformation of the bearing block, in particular in the loading case, by means of a sensor device and ten to calculate the roller force required from the deformation of the bearing block by means of an evaluating device.

Description

Vorrichtung und Verfahren zum Führen eines BandesApparatus and method for guiding a belt
Die Erfindung betrifft eine Vorrichtung und ein Verfahren zum Führen eines Bandes, insbesondere eines Metallbandes mittels einer oder mehrerer Rollen. Dabei wird die beim Führen des Bandes, d. h. unter Belastung auf die Rollen einwirkenden Rollenkraft gemessen.The invention relates to a device and a method for guiding a strip, in particular a metal strip by means of one or more rollers. It is the while guiding the tape, d. H. Measured under load on the rollers acting roller force.
Derartige Vorrichtungen sind im Stand der Technik, z. B. aus der EP 0 539 784 B2 bekannt. In dieser europäischen Patentschrift ist eine Stranggießanlage of- fenbart, bei welcher die Rollen einer Strangführungseinrichtung mit Hilfe von Hydraulikzylindern angestellt werden. Um die mechanischen Lasten zu messen, die während des Betriebs der Strangführungseinrichtung auf die einzelnen Rollen der Strangführungseinrichtung wirken, ist jeder Rolle jeweils eine Belastungszelle bzw. Kraftmessdose zugeordnet. Die Kraftmessdose ist dabei zwi- sehen dem Lagerblock in dem die Rolle gelagert ist und einer Segmenttraverse eingebaut.Such devices are known in the art, for. B. from EP 0 539 784 B2. This European patent discloses a continuous casting machine in which the rolls of a strand guiding device are set by means of hydraulic cylinders. In order to measure the mechanical loads which act on the individual rollers of the strand guide device during operation of the strand guide device, each roller is associated with one load cell or load cell each. The load cell is between see the bearing block in which the roller is mounted and a segment traverse installed.
Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine bekannte Vorrichtung und ein bekanntes Verfahren zum Führen eines Metallbandes dahingehend weiterzubilden, dass sie eine alternative Vorrichtung und ein alternatives Verfahren zum Messen der auf die Rolle einwirkenden Kraft aufweisen.Based on this prior art, the object of the invention is to develop a known device and a known method for guiding a metal strip in such a way that they have an alternative device and an alternative method for measuring the force acting on the roller.
Diese Aufgabe wird durch den Gegenstand des Vorrichtungsanspruchs 1 ge- löst. Konkret besteht die Lösung darin, dass die Messeinrichtung umfasst: eine Sensoreinrichtung zum Erfassen der Verformung des Lagerblocks für die Rolle beim Führen des Bandes und eine Auswerteeinrichtung zum Berechnen der auf die Rolle wirkenden Kraft aus der von der Sensoreinrichtung erfassten Verformung des Lagerblocks. Der Begriff „Band" im Sinne der Erfindung ist grundsätzlich sehr breit gefasst. So meint er grundsätzlich Bänder aus beliebigem Material und mit beliebigen Querschnitten, auch Seile oder Fäden. Insbesondere meint der Begriff jedoch Metallbänder, speziell auch Brammen.This object is achieved by the subject matter of the device claim 1. Specifically, the solution consists in that the measuring device comprises: a sensor device for detecting the deformation of the bearing block for the roller when guiding the tape and an evaluation device for calculating the force acting on the roller from the detected deformation of the bearing block by the sensor device. The term "band" in the sense of the invention is fundamentally very broad: in general, it means bands of any material and of any desired cross-section, including ropes or threads, but in particular the term means metal bands, especially slabs.
Der Begriff „Rolle" ist im Sinne der Erfindung ebenfalls sehr breit zu verstehen. So kann es sich bei diesen Rollen grundsätzlich auch um Räder oder Umlenkrollen handeln. Insbesondere ist der Begriff „Rolle" hier jedoch im Sinne einer Strangführungsrolle in einer Strangführungseinrichtung, im Sinne einer Walze eines Walzgerüstes oder im Sinne einer Rolle eines Loopers bzw. Zwischen- Speichers für Metallband zu verstehen.For the purposes of the invention, the term "roller" is likewise to be understood very broadly, and these wheels may in principle also be wheels or deflecting rollers., But in particular the term "roller" is used here in the sense of a strand guiding roller in a strand guiding device to understand a roll of a rolling stand or in the sense of a role of a looser or intermediate storage for metal strip.
Die beanspruchte indirekte Methode zum Messen der Rollenkraft bietet den Vorteil, dass sie mit recht geringem Aufwand installiert werden kann und auch über einen längeren Zeitraum betriebssicher und zuverlässig Messergebnisse für die Rollenkräfte liefert.The claimed indirect method for measuring the roller force has the advantage that it can be installed with relatively little effort and reliably and reliably delivers measurement results for the roller forces over a longer period of time.
Eine Ausbildung der Sensoreinrichtung in Form eines Ultraschallsensors, eines Wirbelstromsensors oder eines optischen Abstandssensors bieten vorteilhafterweise die Möglichkeit einer berührungslosen Messung der Verformung, bei der nur geringe konstruktive Maßnahmen an dem Lagerblock erforderlich sind.An embodiment of the sensor device in the form of an ultrasonic sensor, an eddy current sensor or an optical distance sensor advantageously offers the possibility of a non-contact measurement of the deformation, in which only a small amount of design measures are required on the bearing block.
Wenn der Lagerblock oder die Trägereinrichtung einen Hohlraum oder eine Aussparung aufweisen zur Aufnahme der Sensoreinrichtung und/oder der Auswerteeinrichtung, so hat dies den Vorteil, dass diese Einrichtungen dann räum- lieh nahe an dem Ort der zu messenden Verformung angeordnet sind und dass sie in dem Hohlraum oder der Aussparung vor Umwelteinflüssen, insbesondere Feuchtigkeit, geschützt werden kann.If the bearing block or the carrier device has a cavity or a recess for receiving the sensor device and / or the evaluation device, this has the advantage that these devices are then arranged in a space close to the location of the deformation to be measured and that they are in the Cavity or the recess from environmental influences, especially moisture, can be protected.
Es ist vorteilhaft, wenn der Lagerblock eine geeignete Schwachstelle aufweist, wenn deren Verformung beim Führen des Bandes von der Sensoreinrichtung repräsentativ für die Verformung des Lagerblockes einfach erfassbar ist. Besonders einfach ist die Ausgestaltung der Schwachstelle in Form eines Schlitzes. Die Sensoreinrichtung kann dann vorteilhafterweise als einfacher und preiswerter Abstandssensor ausgebildet sein, welcher dann die Verformung des Lagerblockes unter Belastung in Form einer Verengung des Schlitzes erfasst.It is advantageous if the bearing block has a suitable weak point, if its deformation when guiding the strip from the sensor device is representative of the deformation of the bearing block is easily detectable. Particularly simple is the design of the vulnerability in the form of a slot. The sensor device can then advantageously be designed as a simple and inexpensive distance sensor, which then detects the deformation of the bearing block under load in the form of a narrowing of the slot.
Vorteilhafte Ausgestaltungen für die Vorrichtung sind Gegenstand der Unteransprüche.Advantageous embodiments of the device are the subject of the dependent claims.
Die oben genannte Aufgabe wird weiterhin durch ein Verfahren zum Betreiben der beanspruchten Vorrichtung gelöst. Die Vorteile dieses Verfahrens entsprechen den oben mit Bezug auf die beanspruchte Vorrichtung genannten Vorteilen.The above object is further achieved by a method of operating the claimed device. The advantages of this method correspond to the advantages mentioned above with reference to the claimed device.
Der Beschreibung sind insgesamt drei Figuren beigefügt, wobeiThe description is a total of three figures attached, where
Figur 1 eine Vorrichtung zum Führen eines Metallbandes;1 shows a device for guiding a metal strip;
Figur 2 einen Lagerblock der Vorrichtung in unbelastetem Zustand;FIG. 2 shows a bearing block of the device in the unloaded state;
Figur 3A einen Lagerblock in unbelastetem Zustand; undFIG. 3A shows a bearing block in the unloaded state; and
Figur 3B den Lagerblock in belastetem ZustandFigure 3B, the bearing block in loaded condition
zeigt.shows.
Die Erfindung wird nachfolgend in Form von Ausführungsbeispielen unter Bezugnahme auf die genannten Figuren detailliert beschrieben. In allen Figuren sind gleiche Elemente mit gleichen Bezugszeichen bezeichnet.The invention will now be described in detail in the form of embodiments with reference to said figures. In all figures, like elements are designated by like reference numerals.
Figur 1 zeigt die erfindungsgemäße Vorrichtung 100 lediglich beispielhaft in Form einer Strangführungseinrichtung. Sie dient hier zum Führen eines Bandes 200 in Form eines Metallbandes, insbesondere in Form einer Bramme. Die Trägereinrichtung 110 dieser Vorrichtung 100 ist in Form eines Segmentrahmens ausgebildet. An dem Segmentrahmen bzw. an dessen Traversen sind Lagerblöcke 120 befestigt zur Aufnahme von Rollen 130. Bei der in Figur 1 gezeigten Strangführungseinrichtung sind zwei Rollen 130 gegenüberliegend angeordnet; sie bilden zusammen einen Rollenspalt, in dem das Metallband 200 geführt ist.FIG. 1 shows the device 100 according to the invention merely by way of example in the form of a strand guiding device. It serves to guide a band here 200 in the form of a metal strip, in particular in the form of a slab. The carrier device 110 of this device 100 is designed in the form of a segment frame. On the segment frame or on its truss bearing blocks 120 are attached to receive rollers 130. In the strand guide device shown in Figure 1, two rollers 130 are arranged opposite one another; Together they form a roller gap in which the metal strip 200 is guided.
Figur 2 zeigt einen Querschnitt durch einen Lagerblock 120. Es ist eine Bohrung 121 zum Lagern der Rollen 130 durch Aufnahme von deren Zapfen ausgebildet. Der Lagerblock 120 ist mit Schraubverbindungen 128 an der Trä- gereinrichtung 110 befestigt. Der Lagerblock 120 weist eine künstlicheFigure 2 shows a cross section through a bearing block 120. There is a bore 121 for supporting the rollers 130 formed by receiving their pin. The bearing block 120 is fastened to the carrier device 110 with screw connections 128. The bearing block 120 has an artificial one
Schwachstelle 124 in Form eines Schlitzes auf. In Figur 2 ist darüber hinaus eine Messeinrichtung 140 zu erkennen, welche eine Sensoreinrichtung 142 und eine zugeordnete Auswerteeinrichtung 144 umfasst. Die Sensoreinrichtung 142 dient zum Erfassen der Verformung des Lagerblocks unter Last, d. h. beim Füh- ren des Bandes 200. Die Auswerteeinrichtung 144 dient zum Berechnen der gesuchten, auf die Rolle 130 wirkenden Rollenkraft im Belastungsfalle aus der von der Sensoreinrichtung 142 erfassten Verformung des Lagerblocks.Vulnerability 124 in the form of a slot. FIG. 2 also shows a measuring device 140 which comprises a sensor device 142 and an associated evaluation device 144. The sensor device 142 is used to detect the deformation of the bearing block under load, d. H. when the strip 200 is being guided. The evaluation device 144 is used to calculate the desired roller force acting on the roller 130 in the event of load from the deformation of the bearing block detected by the sensor device 142.
Figuren 3A und 3B zeigen einen Vergleich zwischen dem Lagerblock in unbe- lastetem Zustand, Figur 3A, und in belastetem Zustand, Figur 3B. Figur 3B lässt die aus der Belastung F resultierenden Verformungen, insbesondere Stauchung des Lagerblocks deutlich erkennen. Die Messeinrichtung 142 ist für das in den Figuren 2 und 3 gezeigte Ausführungsbeispiel in Form eines Abstandssensors ausgebildet, der eine Verengung des Schlitzes 124 unter Last im Vergleich zu einer größeren Schlitzhöhe in unbelastetem Zustand vorzugsweise kontinuierlich erfasst. Die erfasste Verengung des Schlitzes 124 repräsentiert die Verformung des Lagerblocks 120 unter Last. Der mathematische Zusammenhang zwischen dem Abstands-Messsignal des Abstandssensors und den auf die Rolle wirkenden Kräften wird durch die Kennlinie des Messsensors und die genaue Geometrie des Lagerblocks bestimmt. Es entsteht ein einfacher linear oder nahezu linear Zusammenhang mit polynomischen Anteilen, so dass die wirkenden Kräfte auf einfachem Weg aus den gemessenen Verformungen berechnet werden können.FIGS. 3A and 3B show a comparison between the bearing block in the unloaded state, FIG. 3A, and in the loaded state, FIG. 3B. FIG. 3B clearly shows the deformations resulting from the load F, in particular compression of the bearing block. The measuring device 142 is designed for the embodiment shown in Figures 2 and 3 in the form of a distance sensor, which preferably continuously detects a narrowing of the slot 124 under load compared to a larger slot height in the unloaded state. The detected restriction of the slot 124 represents the deformation of the bearing block 120 under load. The mathematical relationship between the distance measurement signal of the distance sensor and the forces acting on the roller is determined by the characteristic of the measuring sensor and the exact geometry of the bearing block. It creates a simple linear or nearly linear relationship with polynomial portions, so that the acting Forces can be calculated in a simple way from the measured deformations.
Aus dieser Verformung berechnet die Auswerteeinrichtung 144 dann die gesuchte auf die Rolle 130 einwirkende Kraft F im Belastungsfalle.From this deformation, the evaluation device 144 then calculates the desired force F acting on the roller 130 in the event of load.
Figur 3B zeigt ein Beispiel für den unter Last verformten Lagerblock, allerdings stark überzeichnet. So beträgt die Verformung des Lagerblocks im Bereich der Schwachstelle bzw. des Schlitzes bei einer Strangführungseinrichtung bei maximaler zulässiger Rollenlast lediglich 0,02 - 0,3 mm. Geometrische Verände- rungen in dieser Größenordnung sind problemlos messbar und ermöglichen insofern ein ausreichend großes Messsignal als Repräsentant für die Verformung des Lagerblocks.Figure 3B shows an example of the bearing block deformed under load, but heavily oversubscribed. Thus, the deformation of the bearing block in the region of the weak point or the slot in a strand guiding device at maximum permissible roller load is only 0.02-0.3 mm. Geometric changes on this scale can be measured without difficulty and thus enable a sufficiently large measuring signal as a representative of the deformation of the bearing block.
Dabei gilt es allerdings zu bedenken, dass die geometrischen Veränderungen in der genannten Größenordnung nur im Bereich der künstlich eingebautenIt should be remembered, however, that the geometric changes in the order of magnitude mentioned only in the area of artificially built
Schwachstelle auftreten; ansonsten liegen die Verformungen typischerweise in wesentlich kleineren, kaum noch messbaren Größenordnungen. Insofern bietet die Schwachstelle ein geeignetes Mittel, die Verformung des Lagerblocks in eine messbare Größenordnung zu transformieren bzw. diese sichtbar zu ma- chen. Die Schwachstelle ist zum einen dafür entsprechend auszubilden. Zum anderen muss jedoch auch gewährleistet sein, dass der Lagerblock 120 durch die Schwachstelle nicht unzulässig stark geschwächt wird. Vielmehr ist z. B. bei einer Ausführung der Vorrichtung als Strangführungseinrichtung zu gewährleisten, dass die Verformung der Schwachstelle so klein bleibt, dass die Strang- schale einer Bramme durch die Veränderung der Rollenposition unter Last nicht überbelastet wird. Vulnerability occur; otherwise the deformations are typically in much smaller, hardly measurable orders of magnitude. In this respect, the weak point offers a suitable means of transforming the deformation of the bearing block into a measurable order of magnitude or making it visible. The weakness is on the one hand to train accordingly. On the other hand, however, it must also be ensured that the bearing block 120 is not unduly weakened by the weak point. Rather, z. B. in an embodiment of the device as a strand guiding device to ensure that the deformation of the weak point remains so small that the strand shell of a slab is not overloaded by the change of the roll position under load.

Claims

Patentansprüche claims
1. Vorrichtung (100) zum Führen eines Bandes (200), insbesondere eines Metallbandes, umfassend: mindestens einen Lagerblock (120); eine in dem mindestens einen Lagerblock drehbar gelagerte Rolle (130) an welcher das Band (200) geführt ist; und eine Messeinrichtung (140) zum Erfassen der beim Führen des Bandes auf die Rolle wirkenden Rollenkraft; dadurch gekennzeichnet, dass die Messeinrichtung (140) umfasst: eine Sensoreinrichtung (142) zum Erfassen der Verformung des Lagerblocks (120) beim Führen des Bandes (200); und eine Auswerteeinrichtung (144) zum Berechnen der auf die Rolle (130) wirkenden Rollenkraft aus der von der Sensoreinrichtung (142) erfassten Ver- formung des Lagerblocks.A device (100) for guiding a belt (200), in particular a metal belt, comprising: at least one bearing block (120); a rotatably mounted in the at least one bearing block roller (130) on which the belt (200) is guided; and a measuring device (140) for detecting the roller force acting on the roller when guiding the belt; characterized in that the measuring device (140) comprises: a sensor device (142) for detecting the deformation of the bearing block (120) when guiding the strip (200); and an evaluation device (144) for calculating the roller force acting on the roller (130) from the deformation of the bearing block detected by the sensor device (142).
2. Vorrichtung (100) nach Anspruch 1 , dadurch gekennzeichnet, dass die Sensoreinrichtung (142) ausgebildet ist in Form eines Ultraschall-Sensors, eines Wirbelstromsensors, eines faseroptischen Abstandssensors oder eines Messtasters.2. Device (100) according to claim 1, characterized in that the sensor device (142) is formed in the form of an ultrasonic sensor, an eddy current sensor, a fiber optic distance sensor or a probe.
3. Vorrichtung (100) nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Lagerblock (120), dessen Verformung gemessen wird, einen Hohlraum (122) oder eine Aussparung aufweist zur Aufnahme der Sensoreinrichtung (142) und/oder der Auswerteeinrichtung (144).3. Device (100) according to any one of the preceding claims, characterized in that the bearing block (120) whose deformation is measured, a cavity (122) or a recess for receiving the sensor device (142) and / or the evaluation device (144 ).
4. Vorrichtung (100) nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Lagerblock (120), dessen Verformung gemessen werden soll, eine geeignete Schwachstelle (124) aufweist, deren eigene Verformung beim Führen des Bandes (200) repräsentativ für die Verformung des Lagerblocks (120) von der Sensoreinrichtung (142) erfassbar ist.4. Device (100) according to any one of the preceding claims, characterized in that the bearing block (120) whose deformation is to be measured, a suitable weak point (124), their own deformation in guiding the belt (200) representative of the deformation of the bearing block (120) can be detected by the sensor device (142).
5. Vorrichtung (100) nach Anspruch 4, dadurch gekennzeichnet, dass die Schwachstelle (124) in Form eines Schlitzes ausgebildet ist, welcher in dem Lagerblock (120) vorzugsweise in der Nähe einer Bohrung (126) zur Auf- nähme eines Zapfens der Rolle so angeordnet ist, dass er sich beim Führen des Bandes verformt.5. Device (100) according to claim 4, characterized in that the weak point (124) is in the form of a slot which in the bearing block (120) preferably in the vicinity of a bore (126) for receiving a pin of the roll is arranged so that it deforms when guiding the tape.
6. Vorrichtung (100) nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der Abstandsensor (142) geeignet angeordnet ist zum Erfassen einer Verformung des Schlitzes beim Führen des Bandes.A device (100) according to any one of claims 2 to 5, characterized in that the distance sensor (142) is suitably arranged to detect a deformation of the slot in guiding the band.
7. Vorrichtung (100) nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Lagerblock an einer Trägereinrichtung (110) fixiert ist, die Vorrichtung (100) als Strangführungseinrichtung, die Trägereinrichtung7. Device (100) according to one of the preceding claims, characterized in that the bearing block is fixed to a carrier device (110), the device (100) as a strand guiding device, the carrier device
(110) als Segmentrahmen und die Rolle (136) als Segmentrolle ausgebildet ist zum Führen des Bandes in Form eines Metallbandes, insbesondere einer Bramme aus einer vorgeschalteten Gießeinrichtung.(110) is designed as a segment frame and the roller (136) as a segmented roller for guiding the strip in the form of a metal strip, in particular a slab from an upstream casting device.
8. Vorrichtung (100) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Lagerblock an einer Trägereinrichtung (110) fixiert ist, die Vorrichtung (100) als Walzgerüst, die Trägereinrichtung (110) als Walzenständer und die Rolle (136) als Arbeits- oder Stützwalze ausgebildet ist zum Führen und Walzen des Bandes (200) in Form eines Metallbandes.8. Device (100) according to one of claims 1 to 6, characterized in that the bearing block is fixed to a carrier device (110), the device (100) as a rolling stand, the carrier device (110) as a roll stand and the roller (136). is designed as a working or support roller for guiding and rolling the strip (200) in the form of a metal strip.
9. Vorrichtung (100) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Vorrichtung (100) als Looper zum Zwischenspeichern von Teilen des Bandes (200) ausgebildet ist. 9. Device (100) according to one of claims 1 to 6, characterized in that the device (100) is designed as a looper for temporarily storing parts of the strip (200).
10.Verfahren zum Betreiben einer Vorrichtung (100) in welcher ein Band (200), insbesondere ein Metallband, über eine in mindestens einem Lagerblock (120) gelagerte Rolle (130) geführt wird, umfassend folgende Schritte: Erfassen der beim Führen des Bandes (200) auf die Rolle (130) einwirkende Rollenkraft; dadurch gekennzeichnet, dass der Schritt des Erfassens der Rollenkraft folgende Teilschritte umfasst:10. Method for operating a device (100) in which a belt (200), in particular a metal belt, is guided over a roller (130) mounted in at least one bearing block (120), comprising the following steps: detecting the belt while guiding the belt ( 200) roller force acting on the roller (130); characterized in that the step of detecting the roller force comprises the following substeps:
Erfassen der Verformung des Lagerblocks (120) beim Führen des Bandes (200) über die Rolle; und Berechnen der auf die Rolle (136) wirkenden Rollenkraft aus der Verfor- mung des Lagerblocks (120). Detecting the deformation of the bearing block (120) while guiding the belt (200) over the roller; and calculating the roller force acting on the roller (136) from the deformation of the bearing block (120).
EP07725644A 2006-06-10 2007-05-30 Apparatus and method for guiding a strip Active EP2026918B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07725644T PL2026918T3 (en) 2006-06-10 2007-05-30 Apparatus and method for guiding a strip

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006027066A DE102006027066A1 (en) 2006-06-10 2006-06-10 Apparatus and method for guiding a belt
PCT/EP2007/004753 WO2007140903A1 (en) 2006-06-10 2007-05-30 Apparatus and method for guiding a strip

Publications (2)

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EP2026918A1 true EP2026918A1 (en) 2009-02-25
EP2026918B1 EP2026918B1 (en) 2010-10-20

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US (1) US7827872B2 (en)
EP (1) EP2026918B1 (en)
JP (1) JP5085646B2 (en)
KR (1) KR101069158B1 (en)
CN (1) CN101426596B (en)
AT (1) ATE485117T1 (en)
AU (1) AU2007256507B2 (en)
BR (1) BRPI0709381A2 (en)
CA (1) CA2643965C (en)
DE (2) DE102006027066A1 (en)
ES (1) ES2354635T3 (en)
MX (1) MX2008012783A (en)
PL (1) PL2026918T3 (en)
RU (1) RU2398643C2 (en)
UA (1) UA92216C2 (en)
WO (1) WO2007140903A1 (en)
ZA (1) ZA200806694B (en)

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CN103008364B (en) * 2013-01-13 2015-04-15 北京首钢国际工程技术有限公司 Dual-function cold-rolled steel coil off-line check station capable of uncoiling up and down
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CA2643965C (en) 2012-07-10
UA92216C2 (en) 2010-10-11
US20090301225A1 (en) 2009-12-10
ATE485117T1 (en) 2010-11-15
KR101069158B1 (en) 2011-09-30
AU2007256507B2 (en) 2011-03-24
DE102006027066A1 (en) 2007-12-13
PL2026918T3 (en) 2011-04-29
CN101426596A (en) 2009-05-06
JP5085646B2 (en) 2012-11-28
JP2009539611A (en) 2009-11-19
CA2643965A1 (en) 2007-12-13
CN101426596B (en) 2010-09-08
MX2008012783A (en) 2008-10-14
WO2007140903A1 (en) 2007-12-13
EP2026918B1 (en) 2010-10-20
ZA200806694B (en) 2009-10-28
KR20080102136A (en) 2008-11-24
ES2354635T3 (en) 2011-03-16
BRPI0709381A2 (en) 2011-07-12
AU2007256507A1 (en) 2007-12-13
US7827872B2 (en) 2010-11-09
RU2008142123A (en) 2010-04-27
RU2398643C2 (en) 2010-09-10
DE502007005421D1 (en) 2010-12-02

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