EP3068553B1 - Walzwerk mit mehreren walzen und einer luke - Google Patents

Walzwerk mit mehreren walzen und einer luke Download PDF

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Publication number
EP3068553B1
EP3068553B1 EP14809930.2A EP14809930A EP3068553B1 EP 3068553 B1 EP3068553 B1 EP 3068553B1 EP 14809930 A EP14809930 A EP 14809930A EP 3068553 B1 EP3068553 B1 EP 3068553B1
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EP
European Patent Office
Prior art keywords
gate
cylinders
rolling
rolling mill
small gate
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EP14809930.2A
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English (en)
French (fr)
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EP3068553A1 (de
Inventor
Klaus LENZ
Jérémie FRELIEZ
Conrad ERNST DE LA GRAETE
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Fives DMS SA
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Fives DMS SA
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    • 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
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/18—Adjusting or positioning rolls by moving rolls axially

Definitions

  • the present invention relates to the field of rolling mills, and relates more particularly to cold rolling mills.
  • the present invention thus finds an advantageous application for multicylinder mills, such mills being typically "Sendzimir” mills .
  • Cold rolling makes it possible to obtain the final thickness of a metal strip by successive passes of this strip between rolls in the presence of high forces simultaneously in pressure and in tension.
  • a " Sendzimir” type mill has a plurality of rolls, or rolls, which are arranged relative to each other to allow the change of the mechanical characteristics of a metal strip and to obtain a strip thickness which may be less than 3 millimeters. .
  • a " Sendzimir” rolling mill which can comprise twenty cylinders is known; an exemplary embodiment of such a rolling mill with twenty cylinders is illustrated in the documents US 5,193,377 and US 5,471,859 .
  • the preamble of claim 1 is based on the document US 5,471,859 .
  • the figure 1 annexed to this description results from these two requests.
  • This figure 1 is a schematic view of a cross-section of a twenty-roll mill.
  • the cylinders are distributed in a lower group G I and an upper group Gs; more specifically, these groups G I and Gs have a symmetrical structure and each comprise ten cylinders including: a working cylinder 12, two first intermediate cylinders 13, three second intermediate cylinders 14 and 15, and four support cylinders, or rollers support, which are outside the arrangement and which are denoted A, B, C and D for the upper group G S and E, F, G, H for the lower group G I.
  • this truck can make its approach run of the rolling mill after full opening of the main door; Conversely, the main door can not start closing until the cylinder change carriage has moved away from the area swept by the main door.
  • FIG 2a there is a solution that consists in equipping the main door PP of the mill LA with a simple gate PT located in the center thereof: such a gate PT allows a quick and secure change of the working cylinders 12 and the first intermediate cylinders 13, this without requiring the opening of the main door PP.
  • the opening and closing of such a gate PT (lighter and less cumbersome than the main door) are much faster and less dangerous than the opening and closing of the main door PP.
  • the opening and closing of the simple gate accept the presence of the cylinder disassembly carriage near the roll stand.
  • the PT gate therefore allows the operator to perform the replacement of the cylinders 12 and 13 safely, because the main door PP LA rolling mill remains closed during maintenance operations.
  • the lateral displacement device of the first intermediate cylinders can be a system type " push-pull " (or English “ push-pull ").
  • Such a push-pull system illustrated in figure 2b , comprises an arrangement of hydraulic cylinders VH configured to "push” and “pull” alternately the first intermediate cylinders 13; such a system is installed in the bottom of the roll stand.
  • This " push-pull” system requires the use of an AT coupling arrangement to securely assemble the hydraulic cylinders VH with the first intermediate cylinders 13.
  • the push-pull system uses complex parts and SA suspension cylinders, which are subject to rapid wear and breakage during rolling incidents.
  • the " rickshaw " system consists of an arrangement of hydraulic cylinders at the front VH_AV and at the rear VH_AR, each of these hydraulic cylinders VH_AV and VH_AR being configured to adjust the position of the first intermediate cylinders 13 by exerting only a thrust force on the bearing surfaces of the cylinder stops 13.
  • the rickshaw system is therefore more robust than the push-pull system .
  • the arms of this one should be lengthened, but in this case the pivots of the gate would be located at the edge of the main door and would hinder the complete opening of the main door necessary for the disassembly of the second intermediate cylinders and bearing rollers.
  • the present invention aims to improve the situation described above.
  • One of the objectives of the present invention is to easily access the working rolls (and possibly the intermediate rolls) on a " Sendzimir” type mill incorporating a " rickshaw” system, without opening the main door.
  • the object of the present invention relates to a rolling mill, for example a " Sendzimir” type mill, which advantageously comprises a roll stand containing a plurality of rolls, preferably twenty rolls.
  • rolls of the rolling mill there are at least two working rolls and two pairs of rolls, called intermediate rolls; these intermediate rolls are arranged together to support the two working rolls in the rolling direction.
  • Such a rolling mill may for example be a twenty-roll mill of the " Sendzimir " type such as that described above and illustrated in FIG. figure 1 .
  • the rolling mill according to the present invention comprises a main door on the front of the rolling mill, this main door being able to open to allow access to all cylinders. This main door has an opening.
  • the rolling mill according to the present invention further comprises a device for lateral displacement of the intermediate rolls.
  • lateral displacement it should be understood here a lateral displacement with respect to the direction of rolling.
  • the lateral displacement device is of the " rickshaw " type: thus, the lateral displacement device comprises a first pair of two hydraulic cylinders positioned at the bottom of the roll stand and a second pair of two hydraulic cylinders positioned on the front of the rolling mill cage.
  • each hydraulic cylinder has a portion intended to bear on one end of the intermediate cylinders, and is configured to exert a thrust force to allow lateral displacement of the intermediate cylinders.
  • the rolling mill comprises a removable gate adapted to have at least one open position and one closed position. In the closed position, the gate closes the opening in the main door and serves as a lateral stop for the working rolls and possibly the intermediate rolls.
  • the gate In the open position, the gate allows access to the working cylinders and possibly to the intermediate cylinders.
  • the gate is configured to integrate the second pair of the two hydraulic cylinders.
  • the opening and closing of the gate do not impede the opening and closing of the main door.
  • the kinematics relating to the opening and closing of the gate is made independently of the opening and closing of the main door.
  • the opening of the gate is complete: it is possible to remove and replace the working rolls and possibly the first intermediate rolls.
  • the gate according to the present invention comprises motorization means to allow opening and / or motorized closure of the gate.
  • the rolling mill comprises control means configured to remotely control the drive means.
  • the gate according to the present invention further comprises at least one detector connected to the motorization means and configured to control the opening and closing of the gate.
  • the detector detects an obstacle on the path of opening or closing the gate, then, in this case, the detector can prevent the opening or closing of the gate.
  • the gate comprises fixing means.
  • these fixing means are fixed on the main door and are configured to integrally assemble the door with the main door, in particular in the closed position.
  • the fixing means are fixed on the roll stand and are configured to integrally assemble the door with the roll stand, especially in the closed position.
  • the main door in the closed position is sandwiched between the door and the cage. According to the invention it is possible to provide an embodiment in which the main door is removable and is able to be detached temporarily from the roll stand.
  • the fixing means are configured such that, in the open position, the gate is disengaged from the main door.
  • the rolling mill further comprises a carriage which is able to be positioned near the gate and which has rails on which, when the gate is detached from the main door, the gate is able to translate up to a stop to reach the open position and allow access to the work rolls and possibly to the intermediate rolls.
  • this translation is instrumented by a motorization and gearing system to drive the gate in a controlled manner to the stop.
  • This clever embodiment facilitates the work of the operators because it limits the manipulations of the gate, and allows to completely free the field of work in front of the opening of the main door and thus release access to the work rolls and possibly to intermediate cylinders when the gate is in the open position.
  • the carriage comprises a treadmill.
  • a treadmill allows the lift of the rolls and thus promotes the removal and introduction of the working rolls and possibly the intermediate rolls of the roll stand, when the gate is in the open position.
  • the carriage further comprises height adjustment means to allow the height adjustment of the conveyor belt with respect to the working rolls and the intermediate rolls that it is desired to extract from the roll stand.
  • these adjustment means comprise at least one hydraulic cylinder.
  • the gate is equipped with a clamp which has gripping means for holding at least one cylinder and which is configured to drive said at least one cylinder in a translation movement when the gate is opened until in the open position to at least partially extract said at least one cylinder from the roll stand (10).
  • the fixing means comprise fixing clamps.
  • fastening means secures the attachment of the door with the main door (or with the roll stand) in the closed position, and thus avoids opening of the door under the transverse rolling forces.
  • Those skilled in the art will understand here that other equivalent fastening means may also be considered in the context of the present invention to allow a closed position in which the door is fixed integrally with the main door (or with the roll stand) , and an open position in which the gate is disengaged from the main door (or the roll stand) and can thus be positioned against the stop of the carriage.
  • the fixing means comprise retraction means which are fixed on the main door; these means are located beyond the main door opposite the means of retraction of the main door, the retraction means of the main door being fixed integrally on the roll stand.
  • the opening and closing of the gate does not hinder the opening and closing of the main door.
  • the means for retracting the gate and / or the main door consist of a hinge system. Such hinge systems extend substantially in the height of the rolling mill.
  • the means of retraction of the gate are positioned closer to the edge of the main door opposite the edge on which are fixed the means of retraction of the main door.
  • the kinematics relating to the opening and closing of the gate does not hinder the kinematics relating to the opening and closing of the main door.
  • the means for retracting the door are fixed to the door by a pair of arms.
  • the fastening means comprise a locking mechanism coupled to the retraction means, such a locking mechanism comprising a lever-operable hook to permit locking of the door in the closed position.
  • a locking mechanism coupled to the retraction means, such a locking mechanism comprising a lever-operable hook to permit locking of the door in the closed position.
  • other equivalent locking mechanisms may also be contemplated within the scope of the present invention to allow a closed position in which the fastening of the door relative to the main door is locked.
  • the subject of the present invention described above makes it possible to solve the various disadvantages identified in the state of the art presented in the preamble; the object of the present invention makes it possible in particular to combine, on a rolling mill, a " rickshaw " type system, appreciated for its robustness, and a gate, which is appreciated for securing maintenance operations and avoiding cylinder replacement time. too long, such a combination is not possible so far with the current configurations.
  • the mill 100 comprises a roll stand 10 in which are distributed a lower group G I and an upper group G S each consisting of a working cylinder 12, two first cylinders intermediate 13, three second intermediate cylinders 14 and 15, and four support cylinders, or support rollers, which are outside the arrangement and which are denoted A, B, C and D for the group higher G S and E, F, G, H for the lower group G I.
  • the rolling mill 100 is equipped with a " rickshaw” system, such as that illustrated in FIG. figure 3 to set in motion the first intermediate cylinders 13.
  • the rolling mill 100 is a rolling mill with twenty cylinders: it thus comprises two pairs of first intermediate cylinders 13.
  • the rolling mill 100 comprises a " rickshaw” system which has a lateral displacement device 20 intermediate cylinders 13 consisting of an arrangement of two pairs of hydraulic cylinders at the front 21 and 21 'and two pairs of hydraulic cylinders at the rear 22 and 22'.
  • the lateral displacement device 20 comprises two front double hydraulic cylinders 21-21 'and two double rear hydraulic cylinders 22-22' which are configured together to adjust the position of the first intermediate cylinders 13 using only a thrust force P on the bearing faces of the cylinder stops 13.
  • each hydraulic cylinder 21-21 'and 22-22' respectively has a portion 21a-21a 'and 22a-22a' which is supported on one of the ends 13a-13b of the intermediate cylinders 13, and is configured to exert a thrust force P alternately on these ends 13a-13b to allow lateral displacement of the intermediate cylinders 13.
  • the rolling mill 100 comprises a motorized main gate 30 which is on the front facade of the rolling mill 100 and which makes it possible to access all the rolls 12, 13, 14, 15 and A, B, C, D, E, F, G and H when this main door 30 is open.
  • One of the objectives of the present invention is therefore to design a " Sendzimir” type mill incorporating a " rickshaw” system and whose access to the working cylinders 12 and the first intermediate cylinders 13 is made possible by a system of opening such as a gate; it is further necessary that the opening and closing of this gate do not impede the opening and closing of the main door, as is the case in the state of the art.
  • the first embodiment described in figure 4 achieved the desired objective.
  • the rolling mill 100 has a gate 40 which, according to a first advantageous characteristic, is removable: it therefore has a closed position PF (illustrated in FIG. figure 5a ) and an OP open position (illustrated in figure 5b ); this open position PO allows access to the working cylinders 12 and the intermediate cylinders 13.
  • the gate 40 closes the opening in the main door 30.
  • the gate 40 integrates the front hydraulic cylinders 21-21 '.
  • the gate 40 is removable and integrates the front hydraulic cylinders 21-21 'allows opening and closing of the gate 40 without hindering the opening and closing of the main door 30.
  • the opening of the gate is complete and allows the removal of the cylinders.
  • the gate 40 comprises a plate (preferably made of a rigid and resistant material) having in its central part an opening.
  • the front hydraulic cylinders 21-21 ' are fixed on the gate on either side of this opening. More particularly, as illustrated in figure 4 in the closed position PF, the driving part of the hydraulic cylinders 21-21 'is outside the roll stand 10 and the functional part of the hydraulic cylinders 21-21' is inside the roll stand 10. This reduces the size of the jacks 21-21 ', and prevents the opening of the gate is partial and / or is blocked by the roll stand.
  • the gate 40 is retractable, and opens and closes classically as a door.
  • the fixing means 41 comprise retraction means 42 such as hinges which are fixed directly or indirectly to the main door 30 ; these retraction means 42 protruding from the main door are positioned opposite the retraction means 31 of the main door 30.
  • the retraction means 42 are positioned closer to the edge 30a of the main door 30 which is opposite the edge 30b on which are fixed the retraction means 31 of the main door 30.
  • the gate 40 is positioned substantially in the center of the main door 30.
  • the gate 40 comprises a pair of arms 44 extending radially to the edge 30a of the main door 30. These arms 44 thus form a pivot joint with the retraction means 42 to allow opening and closing the main door 30.
  • the kinematics related to the opening and closing of the gate 41 is in mirror with the kinematics related to the opening and closing of the main door.
  • the retraction means 42 of the gate consist of two hinges.
  • the fixing means 41 further comprise a locking mechanism 43 coupled to the retraction means 42 and comprising a hook actuated by a lever to allow the locking of the door 40 in the closed position.
  • the operator who wishes to open the gate 40 only has to unlock the mechanism 43 by operating the lever. Due to the configuration described above, the opening of the gate 40 is simple: the cylinders hydraulics 21-21 'integrated in the gate 40 allow indeed an opening gate sufficient to allow full access to the cylinders 12 and / or 13.
  • FIGS. 6a to 6c represent an alternative to the exemplary embodiment of Figures 5a to 5c .
  • the rolling mill 100 has characteristics that are common with the embodiment of the Figures 5a to 5c .
  • the fastening means 41 consist of a set of four fixing clamps 45 positioned at the four corners of the gate and configured such that the gate 40 is able to be temporarily disconnected from the main gate 30.
  • the operator positions a carriage 50 near the gate 40.
  • it disengages the clamps 45 to separate the gate 40 of the main gate 30.
  • the carriage 50 has a pair of rails 51 on which, when the gate 40 is disengaged from the main door 30, the gate 40 can translate to a stop 52 to reach the open position PO.
  • the operator can actuate the height adjustment means 53 to adjust the height of the conveyor belt 54 so as to allow the extraction of the working cylinders 12 and / or intermediate cylinders 13 desired.
  • the operator can easily carry out his maintenance operation on the rolls by removing these rolls from the roll stand.
  • the extraction of these cylinders can be facilitated by a specially adapted clamp for this purpose and for extracting one or more cylinders by opening the gate.
  • the carriage 50 can then move the carriage 50 to free space around the mill 100 to allow the opening of the main door 30.
  • the carriage slides on rails embedded in the ground (not shown here).
  • the figure 7 represents an alternative embodiment in which, alternatively, the main door 30 is able to be temporarily disengaged from the roll stand 100.
  • This variant can adapt in particular to the second embodiment described above.
  • the main door is fixed to the rolling mill cage 100 by fastening means allowing the temporary fixing of the main door with the roll stand.
  • This variant is interesting to allow good access to all the cylinders when the main door is in the open position as illustrated in FIG. figure 7 .
  • the gate 40 has a width substantially less than the width of the main gate 30.
  • the opening formed in the main door 30 which allows access to the cylinders 12 and 13 is wide; the gate 30 in the closed position PF covers this opening.
  • the gate 40 has fastening means 41 'which are mounted directly on the roll stand 10.
  • the gate 40 in the closed position PF is no longer fastened integrally to the main door 30, but to the roll stand 10, which in particular prevents the main door 30 from withstanding the stresses exerted by the weight of the gate 40.
  • This mode can be combined with the previous mode.
  • the main door 30 is sandwiched between the gate 40 and the cage 10 when the gate 40 is closed.
  • This embodiment is particularly advantageous because it avoids the use of hydraulic means to ensure the closure of the main door.
  • the rolling mill described according to the various embodiments above allows, by its different technical characteristics, structural and functional, to overcome the drawbacks identified in the state of the art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (14)

  1. Walzwerk (100), umfassend:
    - ein Walzgerüst (10), das mehrere Walzen enthält, darunter zwei Arbeitswalzen (12) und zwei Walzenpaare (13), genannt Zwischenwalzen, die zusammen angeordnet sind, um die beiden Arbeitswalzen (12) in Walzrichtung zu stützen,
    - eine Haupttür (30) an der Vorderseite des Walzwerks (100), um Zugang zu allen Walzen zu haben, die außerdem eine Öffnung aufweist, und
    - eine Vorrichtung zum seitlichen Bewegen (20) der Zwischenwalzen (13) vom Push/Push-Typ, die ein erstes Paar aus zwei hydraulischen Zylindern (22, 22') umfassen, das an der Unterseite des Walzgerüsts (10) angeordnet ist, und ein zweites Paar aus zwei hydraulischen Zylindern (21, 21'), das auf der Vorderseite des Walzgerüsts (10) angeordnet ist, wobei jeder der hydraulischen Zylinder (21, 21', 22, 22') einen Abschnitt (21a, 21a', 22a, 22a') aufweist, der an einem der Enden (13a, 13b) der Zwischenwalzen (13) anliegt und so konfiguriert ist, dass eine Schubkraft (P) ausgeübt wird, um eine seitliche Bewegung der Zwischenwalzen (13) zu ermöglichen,
    dadurch gekennzeichnet, dass es eine abnehmbare Luke (40) umfasst, die mindestens Folgendes aufweisen kann:
    a) eine geschlossene Position (PF), in der die Luke (40) die in der Haupttür (30) ausgebildete Öffnung schließt und als seitlicher Anschlag für die Arbeitswalzen (12) und gegebenenfalls für die Zwischenwalzen (13) dient, und
    b) eine offene Position (PO), die den Zugang zu den zwei Arbeitswalzen (12) und gegebenenfalls zu den Zwischenwalzen (13) ermöglicht,
    und dadurch, dass in die Luke (40) das zweite Paar von hydraulischen Zylindern (21, 21') integriert ist,
    und dadurch, dass :
    - gemäß einer ersten Möglichkeit die Luke (40) Befestigungsmittel (41) umfasst, die konfiguriert sind, um die Luke (40) in geschlossener Position (PF) fest mit der Haupttür (30) zu verbinden oder alternativ die Luke (40) Befestigungsmittel (41') umfasst, die am Walzgestell (10) befestigt und konfiguriert sind, um die Luke (40) in geschlossener Position (PF) fest mit dem Walzgestell (10) zu verbinden und wobei die Befestigungsmittel (41, 41') derart konfiguriert sind, dass die Luke (40) von der Haupttür (30) getrennt werden kann, und dadurch dass das Walzwerk (100) einen Schlitten (50) umfasst, der in der Nähe der Luke (40) angeordnet ist und Schienen (51) aufweist, auf denen, wenn die Luke (40) von der Haupttür (30) getrennt ist, die Luke (40) bis zu einem Anschlag (52) verschoben werden kann, um die offene Position (PO) zu erreichen und um den Zugang zu den Arbeitswalzen (12) und gegebenenfalls zu den Zwischenwalzen (13) zu ermöglichen,
    - gemäß einer zweiten Möglichkeit die Luke (40) Befestigungsmittel (41) umfasst, die konfiguriert sind, um die Luke (40) in geschlossener Position (PF) fest mit der Haupttür (30) zu verbinden und dadurch, dass die Befestigungsmittel (41) Rückstellmittel (42) umfassen, die an der Haupttür (30) befestigt sind, wobei die Rückstellmittel aus einem Scharniersystem bestehen, das von der Haupttür (30) vorsteht und gegenüber den Rückstellmitteln (31) ebendieser Haupttür (30) liegt, die ebenfalls aus einem Scharniersystem bestehen.
  2. Walzwerk (100) nach Anspruch 1, dadurch gekennzeichnet, dass die Luke (40) elektrische Antriebsmittel umfasst, um ein elektrisch angetriebenes Öffnen und/oder Schließen der Luke (40) zu ermöglichen.
  3. Walzwerk (100) nach Anspruch 2, dadurch gekennzeichnet, dass die Luke (40) mindestens einen Detektor umfasst, der mit den elektrischen Antriebsmitteln verbunden und konfiguriert ist, um die Öffnung der Luke (40) zu steuern.
  4. Walzwerk (100) nach einem der Ansprüche 1 bis 3 gemäß der ersten Möglichkeit, dadurch gekennzeichnet, dass die Luke (40) die Befestigungsmittel (41) umfasst, die konfiguriert sind, um die Luke (40) in geschlossener Position (PF) fest mit der Haupttür (30) zu verbinden, und dadurch, dass die Befestigungsmittel (41) derart konfiguriert sind, dass die Luke (40) von der Haupttür (30) getrennt werden kann, und dadurch, dass das Walzwerk (100) den Schlitten (50) umfasst, der in der Nähe der Luke (40) angeordnet ist und Schienen (51) aufweist, auf denen, wenn die Luke (40) von der Haupttür (30) getrennt ist, die Luke (40) bis zum Anschlag (52) verschoben werden kann, um die offene Position (PO) zu erreichen und um den Zugang zu den Arbeitswalzen (12) und gegebenenfalls zu den Zwischenwalzen (13) zu ermöglichen.
  5. Walzwerk (100) nach einem der Ansprüche 1 bis 3 gemäß der ersten Möglichkeit, dadurch gekennzeichnet, dass die Luke (40) die Befestigungsmittel (41') umfasst, die auf dem Walzgerüst (10) befestigt und konfiguriert sind, um die Luke (40) in geschlossener Position (PF) fest mit dem Walzgerüst (10) zu verbinden, und dadurch, dass die Befestigungsmittel (41') derart konfiguriert sind, dass die Luke (40) von der Haupttür (30) getrennt werden kann, und dadurch, dass das Walzwerk (100) den Schlitten (50) umfasst, der in der Nähe der Luke (40) angeordnet ist und Schienen (51) aufweist, auf denen, wenn die Luke (40) von der Haupttür (30) getrennt ist, die Luke (40) bis zum Anschlag (52) verschoben werden kann, um die offene Position (PO) zu erreichen und um den Zugang zu den Arbeitswalzen (12) und gegebenenfalls zu den Zwischenwalzen (13) zu ermöglichen.
  6. Walzwerk (100) nach Anspruch 5, dadurch gekennzeichnet, dass die Haupttür (30) in geschlossener Position (PF) sandwichartig zwischen der Luke (40) und dem Gerüst (10) angeordnet ist.
  7. Walzwerk (100) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Luke (40) mit einer Klemme ausgestattet ist, die Greifmittel aufweist, um mindestens eine Walze (12, 13) zu halten, und konfiguriert ist, um die mindestens eine Walze gemäß einer Verschiebungsbewegung beim Öffnen der Luke bis zu einer offenen Position anzutreiben, um die mindestens eine Walze (12, 13) mindestens teilweise aus dem Walzgerüst (10) herauszuziehen.
  8. Walzwerk (100) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Haupttür (30) abnehmbar ist und vorübergehend von dem Walzgerüst (10) getrennt werden kann.
  9. Walzwerk (100) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Schlitten (50) ein Förderband (53) umfasst, um das Entnehmen der Arbeitswalzen (12) und gegebenenfalls der Zwischenwalzen (13) des Walzgerüsts (10) zu unterstützen, wenn sich die Luke (40) in offener Position (PO) befindet.
  10. Walzwerk (100) nach Anspruch 9, dadurch gekennzeichnet, dass der Schlitten (50) Mittel zur Höheneinstellung (54) umfasst, um die Höheneinstellung des Förderbands (53) in Bezug auf die Arbeitswalzen (12) und auf die Zwischenwalzen (13), die aus dem Walzgerüst (10) herausgezogen werden sollen, zu ermöglichen.
  11. Walzwerk (100) nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Befestigungsmittel (41) Befestigungsklammern (45) umfassen.
  12. Walzwerk (100) nach einem der Ansprüche 1 bis 3, gemäß der zweiten Möglichkeit, dadurch gekennzeichnet, dass die Befestigungsmittel (41) die Rückstellmittel (42) umfassen, wobei sie auf der Haupttür (30) befestigt sind, von der Haupttür (30) vorstehen und gegenüber den Rückstellmitteln (31) dieser Haupttür (30) liegen.
  13. Walzwerk (100) nach Anspruch 12, dadurch gekennzeichnet, dass die Rückstellmittel (42) der Luke (40) so nah wie möglich am Rand (30a) der Haupttür (30) gegenüber dem Rand (30b) angeordnet sind, auf dem die Rückstellmittel (31) der Haupttür (30) befestigt sind.
  14. Walzwerk nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass das Walzwerk vom "Sendzimir"-Typ mit zwanzig Walzen ist.
EP14809930.2A 2013-11-15 2014-11-14 Walzwerk mit mehreren walzen und einer luke Active EP3068553B1 (de)

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FR1361171A FR3013242B1 (fr) 2013-11-15 2013-11-15 Laminoir multicylindre integrant un portillon
PCT/FR2014/052913 WO2015071608A1 (fr) 2013-11-15 2014-11-14 Laminoir multicylindre integrant un portillon

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FR3056422B1 (fr) * 2016-09-27 2019-06-28 Fives Dms Rampe d'aspersion d'un fluide lubrifiant et/ou refrigerant
CN108015110B (zh) * 2017-12-27 2024-04-09 中重科技(天津)股份有限公司 二十辊轧机中间辊系轴向定位装置
CN114054503B (zh) * 2021-10-08 2023-04-28 中冶南方工程技术有限公司 具有多功能前门的多辊轧机及其操作方法

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Publication number Priority date Publication date Assignee Title
JPS5548413A (en) * 1978-09-29 1980-04-07 Hitachi Ltd Rolling mill
DE3221346C2 (de) * 1982-06-05 1984-03-15 Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer Vielwalzen-Walzgerüst mit fliegenden, konischen Zwischenwalzen
DE3631171A1 (de) * 1986-09-11 1988-03-24 Mannesmann Ag Mehrrollenwalzwerk mit axial verschiebbaren zwischenwalzen
US5193377A (en) 1991-08-23 1993-03-16 T. Sendzimir, Inc. Crown adjustment systems on cluster mills
US5471859A (en) * 1992-07-20 1995-12-05 T. Sendzimir, Inc. Cluster mill crown adjustment system
WO2001072443A1 (fr) 2000-03-27 2001-10-04 Mitsubishi Heavy Industries, Ltd. Dispositif et procede de deplacement d'un cylindre de travail d'un laminoir sexto
CN102228904B (zh) * 2011-04-15 2013-11-20 天津冶金规划设计院 新型二十辊冷轧机
CN202990682U (zh) * 2012-11-19 2013-06-12 上海山弈冶金技术有限公司 二十辊轧机
CN202984288U (zh) * 2012-11-19 2013-06-12 上海山弈冶金技术有限公司 二十辊轧机中间辊窜动驱动装置

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CN105764622B (zh) 2019-04-02
US20160288179A1 (en) 2016-10-06
CN105764622A (zh) 2016-07-13
FR3013242B1 (fr) 2016-05-06
ES2674871T3 (es) 2018-07-04
US10124379B2 (en) 2018-11-13
FR3013242A1 (fr) 2015-05-22
WO2015071608A1 (fr) 2015-05-21

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