EP2451593B1 - Cluster arm arrangement for the intermediate roll sets of 18 hs roll stands - Google Patents

Cluster arm arrangement for the intermediate roll sets of 18 hs roll stands Download PDF

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Publication number
EP2451593B1
EP2451593B1 EP10739502.2A EP10739502A EP2451593B1 EP 2451593 B1 EP2451593 B1 EP 2451593B1 EP 10739502 A EP10739502 A EP 10739502A EP 2451593 B1 EP2451593 B1 EP 2451593B1
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EP
European Patent Office
Prior art keywords
cluster arm
cluster
chock
arm
locking bar
Prior art date
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Application number
EP10739502.2A
Other languages
German (de)
French (fr)
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EP2451593A1 (en
Inventor
Konrad Schunn
Lothar Zwingmann
Holger Pulst
Arnulf Wurm
Rüdiger Holz
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SMS Siemag AG
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SMS Siemag AG
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Publication of EP2451593A1 publication Critical patent/EP2451593A1/en
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Publication of EP2451593B1 publication Critical patent/EP2451593B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/145—Lateral support devices for rolls acting mainly in a direction parallel to the movement of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/147—Cluster mills, e.g. Sendzimir mills, Rohn mills, i.e. each work roll being supported by two rolls only arranged symmetrically with respect to the plane passing through the working rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/103—Manipulators or carriages therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/142—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/025—Quarto, four-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/028—Sixto, six-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/06—Cassettes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/02—Roll bending; vertical bending of rolls
    • B21B2269/04—Work roll bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/02—Roll bending; vertical bending of rolls
    • B21B2269/06—Intermediate roll bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/12—Axial shifting the rolls
    • B21B2269/14—Work rolls

Definitions

  • the invention relates to a Clusterarman für usues for the intermediate roll sets of 18 HS rolling stands, wherein between the service-side chock and the drive-side chock side of the intermediate roll pivotable cluster arms are arranged, in which the lateral support rollers are integrated to support the work rolls in the frame.
  • pivotable cluster arms are arranged between the service-side chock and the chocks on the side of the intermediate roll (inlet and outlet sides) in which the lateral support rolls for supporting the slim work rolls are integrated in the framework.
  • the purpose of the support rollers integrated in the cluster arms is to prevent the deflection of the work roll and to realize the horizontal offset (HS) of the work roll to the intermediate roll with the aid of the support bridge adjustment arranged behind it.
  • the pivot axis which is fixedly connected to the cluster arm, completely guided by the chocks to the outside and held with holding blocks, so that the axle can rotate in the chocks.
  • the recovery of the cluster arms in the defined "center position" is realized by spring packets through the projecting through the chock pivot axis of the cluster arm, the cluster arm in the desired Position is pressed.
  • This arrangement requires the assembly and maintenance of the intermediate roll set with the cluster arms increased effort because the removal of the holding blocks and the spring assemblies at each disassembly and reassembly of the holding blocks and spring assemblies, and the setting of the spring assemblies for establishing the central position of the cluster arms in the Rolling workshop is required.
  • the two chocks must be completely disassembled until the long pivot axis is free.
  • the object of the invention is to provide a Clusterarman extract, which greatly simplifies the assembly and maintenance.
  • the fixedly connected to the cluster arm pivot pin cooperates with a serving as a locking locking tab, which is designed so that when the pivoting locking tab attached to the chock is pivoted, the cluster arm is axially locked with respect to the chock, but still remains pivotable.
  • the pivotable locking tab can be fixed in the closed state with a fixing screw.
  • the pivotable locking tab can be pivoted open, wherein the cluster arm is released, so that the chock is axially extendable.
  • a stop piece is attached to the outer ring of the pivot pin, which pivots with the cluster arm, wherein the pivoting movement of the Clusterarms is limited to the outside by the locking tab to which the stop piece is supported in the case.
  • the pivoting movement of the cluster arm is inwardly by a return spring is receivable, wherein, if no forces acting on the cluster arm from the outside, the return spring back the cluster arm, press until the stop member abuts the locking tab.
  • the locking of the cluster arms and the stop with return spring are arranged as a compact unit in the area between cluster arm and chock, in each case at both ends.
  • the pivot pin fixedly connected to the cluster arm is designed so that when a pivotable locking tab attached to the chock is pivoted in, the cluster arm is axially locked to the chock, but still remains pivotable.
  • the pivot pin 3 is arranged, about the axis of the cluster arm 2 can pivot.
  • the fixedly connected to the Clusterarm 2 pivot pin 3 is designed so that when a mounted on the chock 1 pivotable locking tab 4 is pivoted, the Clusterarm 2 is axially locked to the chock 1, but still remains pivotable.
  • the pivotable locking tab 4 is fixed in the closed state with a fixing screw 5.
  • the pivotable locking tab 4 can be swung open, and releases the cluster arm 2, so that the chock 1 can be extended axially.
  • a stop piece 6 is fixed, which pivots with the cluster arm 2.
  • the pivotal movement of the Clusterarms 2 to the outside is limited by the locking tab 4, to which the stopper piece 6 is supported in the case. This position is that which the cluster arm 2 must assume when changing the rolls.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)
  • Metal Rolling (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Clamps And Clips (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Actuator (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Types And Forms Of Lifts (AREA)
  • Braking Arrangements (AREA)

Description

Die Erfindung betrifft eine Clusterarmanordnung für die Zwischenwalzensätze von 18 HS Walzgerüsten, wobei zwischen dem bedienungsseitigen Einbaustück und dem antriebsseitigen Einbaustück seitlich der Zwischenwalze schwenkbare Clusterarme angeordnet sind, in denen die seitlichen Stützrollen zur Abstützung der Arbeitswalzen im Gerüst integriert sind.The invention relates to a Clusterarmanordnung for the intermediate roll sets of 18 HS rolling stands, wherein between the service-side chock and the drive-side chock side of the intermediate roll pivotable cluster arms are arranged, in which the lateral support rollers are integrated to support the work rolls in the frame.

Bei der Kassettenbauweise der Zwischenwalzensätze für 18 HS Walzgerüsten sind zwischen dem bedienungsseitigen Einbaustück und dem antriebsseitigen Einbaustücke seitlich der Zwischenwalze (Ein- und Auslaufseite) schwenkbare Clusterarme angeordnet, in denen die seitlichen Stützrollen zur Abstützung der schlanken Arbeitswalzen im Gerüst integriert sind.In the case of the cassette construction of the intermediate roll sets for 18 HS rolling stands, pivotable cluster arms are arranged between the service-side chock and the chocks on the side of the intermediate roll (inlet and outlet sides) in which the lateral support rolls for supporting the slim work rolls are integrated in the framework.

Der Zweck der in den Clusterarmen integrierten Stützrollen ist, die Durchbiegung der Arbeitswalze zu verhindern, sowie den Horizontalversatz (HS) der Arbeitswalze zur Zwischenwalze mit Hilfe der dahinter angeordneten Stützbrückenverstellung zu realisieren.The purpose of the support rollers integrated in the cluster arms is to prevent the deflection of the work roll and to realize the horizontal offset (HS) of the work roll to the intermediate roll with the aid of the support bridge adjustment arranged behind it.

Beim Walzenwechsel, wenn bei Stützbrückenverstellung in zurückgezogener Stellung die Clusterarme "frei sind", müssen die Clusterarme in eine definierte Position gebracht werden und mittig zum Gerüst stehen und somit die Arbeitswalzen auf Mitte Gerüst positionieren.During roll change, when the cluster arms are "free" when the support bridge is in the retracted position, the cluster arms must be brought into a defined position and centered on the scaffold, thus positioning the work rolls on the center of the scaffolding.

In bekannten Konstruktionen ist die Schwenkachse, die fest mit dem Clusterarm verbunden ist, komplett durch die Einbaustücke bis an deren Außenseite geführt und mit Halteklötzen festgehalten, so dass sich die Achse in den Einbaustücken drehen kann. Das Rückholen der Clusterarme in die definierte "Mittenposition" wird realisiert indem über Federpakete die durch das Einbaustück ragende Schwenkachse des Clusterarms, der Clusterarm in die gewünschte Position gedrückt wird. Diese Anordnung erfordert beim Zusammenbau und bei der Wartung des Zwischenwalzensatzes mit den Clusterarmen erhöhten Aufwand, da das Entfernen der Halteklötze und der Federpakete bei jeder Demontage und die Wiedermontage der Halteklötze und Federpakete, sowie der Einstellung der Federpakete zum Einrichten der mittigen Position der Clusterarme in der Walzenwerkstatt erforderlich ist.In known constructions, the pivot axis, which is fixedly connected to the cluster arm, completely guided by the chocks to the outside and held with holding blocks, so that the axle can rotate in the chocks. The recovery of the cluster arms in the defined "center position" is realized by spring packets through the projecting through the chock pivot axis of the cluster arm, the cluster arm in the desired Position is pressed. This arrangement requires the assembly and maintenance of the intermediate roll set with the cluster arms increased effort because the removal of the holding blocks and the spring assemblies at each disassembly and reassembly of the holding blocks and spring assemblies, and the setting of the spring assemblies for establishing the central position of the cluster arms in the Rolling workshop is required.

Zusätzlich sind zum Ausbau des Clusterarms die beiden Einbaustücke komplett auseinanderzufahren bis die lange Schwenkachse frei ist.In addition, to remove the cluster arm, the two chocks must be completely disassembled until the long pivot axis is free.

So sind aus den Druckschriften GB 2 023 475 A , EP 1 721 685 A1 und der DE 33 25 493 A1 Walzgerüste bekannt, bei denen die Stützwalzen in Stützbalken angeordnet sind, welche wiederum über Gelenkarme mittels einer Drehgelenkanordnung drehbar mit den Einbaustücken verbunden sind.So are from the pamphlets GB 2 023 475 A . EP 1 721 685 A1 and the DE 33 25 493 A1 Roll stands are known in which the support rollers are arranged in support beams, which in turn are connected via articulated arms by means of a pivot assembly rotatably connected to the chocks.

Aufgabe der Erfindung ist es, eine Clusterarmanordnung zu schaffen, die die Montage- und Wartungsarbeiten wesentlich vereinfacht.The object of the invention is to provide a Clusterarmanordnung, which greatly simplifies the assembly and maintenance.

Gelöst wird diese Aufgabe erfindungsgemäß mit einer Clusterarmanordnung für die Zwischenwalzensätze von 18 HS Walzgerüsten, wobei zwischen dem bedienungsseitigen Einbaustück und dem antriebsseitigen Einbaustück seitlich der Zwischenwalze schwenkbare Clusterarme angeordnet sind, in denen die seitlichen Stützrollen zur Abstützung der Arbeitswalzen im Gerüst integriert sind, die dadurch gekennzeichnet ist, dass zwischen dem Einbaustück und dem Clusterarm ein mit dem Clusterarm fest verbundener Schwenkbolzen angeordnet ist, um dessen Achse der Clusterarm schwenkbar ist und
dass eine Arretierung für den Clusterarm sowie ein Anschlag mit Rückholfeder als kompakte Einheit im Bereich zwischen Clusterarm und Einbaustück auf den Schwenkbolzen wirkend angeordnet ist.This object is achieved according to the invention with a Clusterarmanordnung for the Zwischenwalzensätze of 18 HS rolling stands, wherein between the service-side chock and the drive-side chock side of the intermediate roll pivotable cluster arms are arranged, in which the lateral support rollers for supporting the work rolls are integrated in the framework characterized is that between the chock and the cluster arm a fixedly connected to the cluster arm pivot pin is arranged about the axis of the cluster arm is pivotally and
that a lock for the cluster arm and a stop with return spring is arranged as a compact unit acting in the region between cluster arm and chock on the pivot pin.

Im Einzelnen ist dabei vorgesehen, dass der mit dem Clusterarm fest verbundenen Schwenkbolzen mit einer als Arretierung dienenden Verriegelungslasche zusammenwirkt, die so ausgebildet ist, dass wenn die am Einbaustück befestigte schwenkbare Verriegelungslasche eingeschwenkt ist, der Clusterarm in Bezug auf das Einbaustück axial arretiert ist, aber dennoch schwenkbar bleibt.Specifically, it is provided that the fixedly connected to the cluster arm pivot pin cooperates with a serving as a locking locking tab, which is designed so that when the pivoting locking tab attached to the chock is pivoted, the cluster arm is axially locked with respect to the chock, but still remains pivotable.

Die schwenkbare Verriegelungslasche ist im geschlossenen Zustand mit einer Fixierschraube fixierbar.The pivotable locking tab can be fixed in the closed state with a fixing screw.

Nach dem Lösen der Fixierschraube ist die schwenkbare Verriegelungslasche aufschwenkbar, wobei der Clusterarm frei gegeben wird, so dass das Einbaustück axial ausfahrbar ist.After loosening the fixing screw, the pivotable locking tab can be pivoted open, wherein the cluster arm is released, so that the chock is axially extendable.

Weiterhin ist vorgesehen, dass am äußeren Kranz des Schwenkbolzens ein Anschlagstück befestigt ist, das mit dem Clusterarm mit schwenkt, wobei die Schwenkbewegung des Clusterarms nach außen durch die Verriegelungslasche begrenzt ist, an die sich das Anschlagstück in dem Fall abstützt.It is further provided that a stop piece is attached to the outer ring of the pivot pin, which pivots with the cluster arm, wherein the pivoting movement of the Clusterarms is limited to the outside by the locking tab to which the stop piece is supported in the case.

Nach einer weiteren Ausgestaltung ist die Schwenkbewegung des Clusterarms nach innen wird durch eine Rückholfeder aufnehmbar ist, wobei, wenn von Außen keine Kräfte auf den Clusterarm wirken, die Rückholfeder den Clusterarm zurück, drücken, bis das Anschlagstück an der Verriegelungslasche anliegt.According to a further embodiment, the pivoting movement of the cluster arm is inwardly by a return spring is receivable, wherein, if no forces acting on the cluster arm from the outside, the return spring back the cluster arm, press until the stop member abuts the locking tab.

Bei dem neuen Konzept werden die Arretierung der Clusterarme sowie der Anschlag mit Rückholfeder als kompakte Einheit im Bereich zwischen Clusterarm und Einbaustück angeordnet, und zwar jeweils an beiden Enden.In the new concept, the locking of the cluster arms and the stop with return spring are arranged as a compact unit in the area between cluster arm and chock, in each case at both ends.

Dabei werden statt der langen Schwenkachse des Clusterarms zwei Schwenkbolzen am Clusterarm fest angebracht. Das vereinfacht die Montage- und Wartungsarbeiten, denn zum Ausbau der Clusterarme müssen die Einbaustücke nur noch mit einem kurzen Hub auseinander gefahren werden.In this case, instead of the long pivot axis of the cluster arm, two pivot pins are firmly attached to the cluster arm. This simplifies assembly and maintenance work, because the chocks need only be moved apart with a short stroke to remove the cluster arms.

Der mit dem Clusterarm fest verbundene Schwenkbolzen ist so ausgeführt, dass wenn eine am Einbaustück befestigte schwenkbare Verriegelungslasche eingeschwenkt wird, der Clusterarm mit dem Einbaustück axial arretiert ist, aber dennoch schwenkbar bleibt.The pivot pin fixedly connected to the cluster arm is designed so that when a pivotable locking tab attached to the chock is pivoted in, the cluster arm is axially locked to the chock, but still remains pivotable.

Die Erfindung soll nachfolgend mit Bezug auf die Zeichnungen erläutert werden.The invention will be explained below with reference to the drawings.

Dabei zeigt:

Fig. 1
die Darstellung der Arretierung des Clusterarms mit dem Einbaustück und
Fig. 2
die Darstellung der Arretierung und Anschlag mit Rückholfeder.
Showing:
Fig. 1
the representation of the locking of the cluster arm with the chock and
Fig. 2
the representation of the lock and stop with return spring.

Zwischen dem Einbaustück 1 und dem Clusterarm 2 ist der Schwenkbolzen 3 angeordnet, um dessen Achse der Clusterarm 2 schwenken kann.Between the chock 1 and the cluster arm 2, the pivot pin 3 is arranged, about the axis of the cluster arm 2 can pivot.

Der mit dem Clusterarm 2 fest verbundene Schwenkbolzen 3 ist so ausgeführt, dass wenn eine am Einbaustück 1 befestigte schwenkbare Verriegelungslasche 4 eingeschwenkt wird, der Clusterarm 2 mit dem Einbaustück 1 axial arretiert ist, aber dennoch schwenkbar bleibt.The fixedly connected to the Clusterarm 2 pivot pin 3 is designed so that when a mounted on the chock 1 pivotable locking tab 4 is pivoted, the Clusterarm 2 is axially locked to the chock 1, but still remains pivotable.

Die schwenkbare Verriegelungslasche 4 wird im geschlossenen Zustand mit einer Fixierschraube 5 fixiert.The pivotable locking tab 4 is fixed in the closed state with a fixing screw 5.

Nach dem Lösen der Fixierschraube 5 kann die schwenkbare Verriegelungslasche 4 aufgeschwenkt werden, und gibt den Clusterarm 2 frei, so dass das Einbaustück 1 axial ausgefahren werden kann.After loosening the fixing screw 5, the pivotable locking tab 4 can be swung open, and releases the cluster arm 2, so that the chock 1 can be extended axially.

Am äußeren Kranz des Schwenkbolzens 3 ist ein Anschlagstück 6 befestigt, das mit dem Clusterarm 2 mitschwenkt. Die Schwenkbewegung des Clusterarms 2 nach außen wird durch die Verriegelungslasche 4 begrenzt, an die sich das Anschlagstück 6 in dem Fall abstützt. Diese Position ist die, die der Clusterarm 2 bei Walzenwechsel einnehmen muß.On the outer ring of the pivot pin 3, a stop piece 6 is fixed, which pivots with the cluster arm 2. The pivotal movement of the Clusterarms 2 to the outside is limited by the locking tab 4, to which the stopper piece 6 is supported in the case. This position is that which the cluster arm 2 must assume when changing the rolls.

Die Schwenkbewegung des Clusterarms 2 nach innen wird durch eine Rückholfeder 7 aufgenommen. Wenn von Außen keine Kräfte auf den Clusterarm 2 wirken, drückt die Rückholfeder 7 den Clusterarm 2 zurück, bis das Anschlagstück 6 an der Verriegelungslasche 4 anliegt.The pivoting movement of the cluster arm 2 inwards is absorbed by a return spring 7. If no forces act on the cluster arm 2 from the outside, the return spring 7 pushes the cluster arm 2 back until the stop piece 6 bears against the locking tab 4.

Claims (5)

  1. Cluster arm arrangement for the intermediate roll sets of 18 HS roll stands, wherein arranged between the chock at the operating side and the chock at the drive side are cluster arms which are pivotable laterally of the intermediate roll and in which the lateral backing rolls for support of the working rolls in the stand are integrated, characterised by a pivot pin (3), which is arranged between the chock (1) and the cluster arm (2), wherein the pivot pin (3) is fixedly connected with the cluster arm and the cluster arm (2) is pivotable about the axis of the pivot pin (3), and a locking bar (4), which is pivotably attached to the chock (1), as locking means for the cluster arm (2), and an abutment member (6) with a restoring spring (7), which are arranged as a compact unit in the region between the cluster arm (2) and chock (1) for limiting the pivot movement of the cluster arm (2), wherein the abutment member (6) is fastened to the outer collar of the pivot pin (3) and the abutment member (6) is, for limitation of the pivot movement of the cluster arm (2), supported in outward direction against the locking bar (4).
  2. Cluster arm arrangement according to claim 1, characterised in that the pivot pin (3) fixedly connected with the cluster arm (2) co-operates with the locking bar (4), which serves as locking means and which is so constructed that when the locking bar (4) pivotably fastened to the chock (1) is pivoted in the cluster arm (2) is axially locked with respect to the chock (1), but nevertheless remains pivotable.
  3. Cluster arm arrangement according to claim 2, characterised in that the pivotable locking bar (4) is fixable in the closed state by a fixing screw (5).
  4. Cluster arm arrangement according to any one of the preceding claims, characterised in that after release of the fixing screw (5) the pivotable locking bar (4) can be pivoted out, whereby the cluster arm (2) is freed so that the chock (1) can be moved out axially.
  5. Cluster arm arrangement according to any one of the preceding claims, characterised in that the pivot movement of the cluster arm (2) in inward direction is absorbed by a restoring spring (7), wherein if no forces act from the outside on the cluster arm (2) the restoring spring (7) presses the cluster arm (2) back until the abutment member (6) bears against the locking bar (4).
EP10739502.2A 2009-07-07 2010-07-06 Cluster arm arrangement for the intermediate roll sets of 18 hs roll stands Active EP2451593B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009032200 2009-07-07
DE102009060640A DE102009060640A1 (en) 2009-07-07 2009-12-28 Cluster arm arrangement for the intermediate roll sets of 18 HS rolling stands
PCT/EP2010/004062 WO2011003561A1 (en) 2009-07-07 2010-07-06 Cluster arm arrangement for the intermediate roll sets of 18 hs roll stands

Publications (2)

Publication Number Publication Date
EP2451593A1 EP2451593A1 (en) 2012-05-16
EP2451593B1 true EP2451593B1 (en) 2014-04-16

Family

ID=43307929

Family Applications (3)

Application Number Title Priority Date Filing Date
EP10739502.2A Active EP2451593B1 (en) 2009-07-07 2010-07-06 Cluster arm arrangement for the intermediate roll sets of 18 hs roll stands
EP10732662.1A Active EP2451594B1 (en) 2009-07-07 2010-07-07 Device for locking the chock and the axial bearing housing of a roll set and the roll-changing carriage
EP10731718.2A Active EP2451592B1 (en) 2009-07-07 2010-07-07 4-roll, 6-roll, 18-hs roll stand having a cassette-type design

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP10732662.1A Active EP2451594B1 (en) 2009-07-07 2010-07-07 Device for locking the chock and the axial bearing housing of a roll set and the roll-changing carriage
EP10731718.2A Active EP2451592B1 (en) 2009-07-07 2010-07-07 4-roll, 6-roll, 18-hs roll stand having a cassette-type design

Country Status (14)

Country Link
US (3) US9038430B2 (en)
EP (3) EP2451593B1 (en)
JP (3) JP5694312B2 (en)
KR (3) KR101344714B1 (en)
CN (3) CN102481605B (en)
BR (3) BR112012000481B1 (en)
DE (3) DE102009060640A1 (en)
ES (2) ES2464124T3 (en)
MY (3) MY152390A (en)
RU (3) RU2489218C1 (en)
SA (3) SA110310777B1 (en)
TW (3) TWI387491B (en)
WO (3) WO2011003561A1 (en)
ZA (3) ZA201109290B (en)

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* Cited by examiner, † Cited by third party
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FR3010332B1 (en) 2013-09-12 2015-10-02 Fives Dms CASSETTE FOR ROLLING MILL AND ROLLING MACHINE EQUIPPED WITH SUCH A CASSETTE
CN104772336B (en) * 2015-03-20 2017-03-15 中国重型机械研究院股份公司 First intermediate roll of twenty high rolling mill swing arm rack system
CN108655183B (en) * 2017-03-30 2020-10-27 宝山钢铁股份有限公司 Method for judging working roll state of eighteen-high rolling mill and application based on method
DE102019220327A1 (en) * 2019-12-20 2021-06-24 Sms Group Gmbh Method for changing a roll configuration in a roll stand and roll arrangement

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Also Published As

Publication number Publication date
EP2451592B1 (en) 2014-04-09
TW201103656A (en) 2011-02-01
EP2451592A1 (en) 2012-05-16
WO2011003579A1 (en) 2011-01-13
KR20120044987A (en) 2012-05-08
TWI387491B (en) 2013-03-01
US20120153057A1 (en) 2012-06-21
KR101368296B1 (en) 2014-02-26
DE102009060640A1 (en) 2011-01-13
EP2451593A1 (en) 2012-05-16
RU2492008C1 (en) 2013-09-10
RU2496591C2 (en) 2013-10-27
CN102481606A (en) 2012-05-30
BR112012000471B1 (en) 2020-10-13
TWI455765B (en) 2014-10-11
TWI468236B (en) 2015-01-11
MY152390A (en) 2014-09-15
WO2011003580A1 (en) 2011-01-13
EP2451594B1 (en) 2014-04-16
BR112012000481A2 (en) 2017-10-31
TW201102185A (en) 2011-01-16
MY154263A (en) 2015-05-29
SA110310776B1 (en) 2014-01-19
DE102009060641A1 (en) 2011-01-13
JP2012532026A (en) 2012-12-13
KR20140015117A (en) 2014-02-06
MY164118A (en) 2017-11-30
KR101344714B1 (en) 2013-12-26
JP5694312B2 (en) 2015-04-01
SA110310777B1 (en) 2014-05-25
CN102481606B (en) 2015-02-04
RU2012103994A (en) 2013-08-20
JP2012532024A (en) 2012-12-13
JP5694313B2 (en) 2015-04-01
WO2011003561A1 (en) 2011-01-13
KR101382164B1 (en) 2014-04-08
DE102009060642A1 (en) 2011-01-13
ZA201109292B (en) 2012-08-29
BR112012001101B1 (en) 2020-12-08
CN102470408B (en) 2015-01-14
US9656312B2 (en) 2017-05-23
RU2489218C1 (en) 2013-08-10
ZA201109291B (en) 2012-08-29
RU2012104009A (en) 2013-08-20
US9038430B2 (en) 2015-05-26
CN102470408A (en) 2012-05-23
US20130192327A1 (en) 2013-08-01
ZA201109290B (en) 2012-08-29
CN102481605B (en) 2015-01-07
EP2451594A1 (en) 2012-05-16
ES2464124T3 (en) 2014-05-30
SA110310775B1 (en) 2014-05-25
JP5623522B2 (en) 2014-11-12
ES2459942T3 (en) 2014-05-13
BR112012000471A2 (en) 2017-10-31
CN102481605A (en) 2012-05-30
TW201103655A (en) 2011-02-01
BR112012000481B1 (en) 2020-03-17
BR112012001101A2 (en) 2016-02-23
JP2012532025A (en) 2012-12-13
US20120151982A1 (en) 2012-06-21

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