EP0721810B1 - Straightening machine for rolled beams, in particular hyper-beams - Google Patents

Straightening machine for rolled beams, in particular hyper-beams Download PDF

Info

Publication number
EP0721810B1
EP0721810B1 EP95100415A EP95100415A EP0721810B1 EP 0721810 B1 EP0721810 B1 EP 0721810B1 EP 95100415 A EP95100415 A EP 95100415A EP 95100415 A EP95100415 A EP 95100415A EP 0721810 B1 EP0721810 B1 EP 0721810B1
Authority
EP
European Patent Office
Prior art keywords
straightening
machine according
straightening machine
beams
carrier ring
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.)
Expired - Lifetime
Application number
EP95100415A
Other languages
German (de)
French (fr)
Other versions
EP0721810A1 (en
Inventor
Markus Willems
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 Schloemann Siemag AG
Schloemann Siemag 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
Priority to DE4324416A priority Critical patent/DE4324416A1/en
Priority to ES95100415T priority patent/ES2115271T3/en
Priority to DE59501843T priority patent/DE59501843D1/en
Priority to AT95100415T priority patent/ATE164788T1/en
Priority to EP95100415A priority patent/EP0721810B1/en
Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to JP00591895A priority patent/JP3558398B2/en
Priority to US08/375,906 priority patent/US5644939A/en
Publication of EP0721810A1 publication Critical patent/EP0721810A1/en
Application granted granted Critical
Publication of EP0721810B1 publication Critical patent/EP0721810B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/05Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work

Definitions

  • the invention relates to a straightening machine for rolled beams, especially hyper-beams, in which at least one of the two is the Carrier flanges from the inside, from a straightening shaft worn alignment discs is axially adjustable.
  • a straightening shaft for straightening machines of this type is provided by DE-35 22 976 A1 became known. With this straightener, rails directed. Above all, however, for hot-rolled double-T beams to be straightened or hyper beams, it should be noted that these are series-dependent have constant height, while the Flange thicknesses can vary.
  • the determination of the height H enables Optimized connections (gusset plates) in steel buildings Beams with different moments of resistance. So that hyper beams roll with different flange thicknesses, it is known the rolling disks of the roll in the rolling stands in carrier lines to adjust that on the one hand the constant height of the wearer is observed, on the other hand nonetheless different flange thicknesses can be rolled.
  • the adjustment time on the roll stand is here about 30 seconds.
  • the current straightening practice at one of the carrier lines Straightening machine provides that the carrier on the flanges driven horizontally into the straightening machine and then with the bridge run over the straightening discs. That means the flanges must be plastically deformed during straightening and all required straightening forces via the web and the transition radius from Bridge to the flanges to be directed into the flanges. Because through the Deformation of the web also causes the flanges to start breathing and one axial force - pinching the beam - on the straightening discs an axially stable construction is required. The Straightening disks are therefore over a spacer bush or spacers, according to the dimensions of the chamber, firmly on a mounting bush assembled and completely replaced if necessary.
  • This assembly socket unit is placed directly on the straightening shaft and axially there clamped by means of a clamping nut or a clamping head.
  • the invention is therefore based on the object in a straightening machine a simple, easy to maintain of the type mentioned Possibility to create that allows the outer or chamber dimensions of the straightening discs to change quickly.
  • a preferred embodiment of the invention sees the hydraulic cylinders interconnecting ring lines. This allows synchronism of the actuating pistons if these with the displacement pressure be charged.
  • One embodiment provides that the terminal connection in between each hydraulic cylinder and one surrounding the actuating piston Sleeve trained pressure chamber opens.
  • the outside with one hydraulic pressure - about 500 bar - loaded sleeve fixed the adjusting piston in its position so that the high straightening forces cannot cause an undesirable change in position.
  • the support ring is advantageously arranged on a feather key and by one from one side onto a threaded section of one Screwed the alignment pin of the assembly sleeve surrounding the alignment shaft Counter ring is clamped, it can be quickly on the one hand and easy to assemble and fix; on the other hand there is automatic positioning in such a way that the hydraulic cylinder of the support ring and the threaded bolts also on a directional washer, which means that it is aligned opposite.
  • an axial chamber bore of the support ring with a displacement sensor be assigned a magnet in the alignment disc In order to enable the position of the straightening discs to be checked provide an axial chamber bore of the support ring with a displacement sensor be assigned a magnet in the alignment disc.
  • the chamber bore can be distributed on the same pitch circle as the circumference bores arranged in the end face of the support ring for the hydraulic cylinders provide, which simplifies production, because all holes can be drilled or produce.
  • FIG. 1 From a straightener, the upper and lower straightening shafts 1 with Alignment disks 2, 3 arranged thereon, in FIG Straightening pin 4 of a lower straightening shaft 1 shown; those for judging a hot-rolled hyper beam 5 with the lower alignment discs 2, 3 interacting upper alignment discs 2a, 3a are only schematic indicated.
  • the mounting bush 7 is with a Wedge guide 8 formed on which the right in Figure 1 Alignment disc 3 can be adjusted outwards.
  • a displacement unit 18 For shifting there is between the straightening discs 2, 3 (or 2a, 3a) a displacement unit 18. This consists of a with a Groove 19 provided support ring 20 (see FIG. 3) on the circumference a total of twelve chamber bores 21 are distributed over its circular surface or 22, of which all but one chamber bore 22 another a hydraulic cylinder 23 with one arranged therein Take up the actuating piston 24 (cf. FIGS. 1 and 2).
  • the support ring 20 is on the key 13 also leading the left-hand alignment disk 2 the mounting bush 7 arranged; its the right, agile Direction plate 3 facing ring surface is with a shaft bore concentric recess 40 is formed, in which one with a Internally threaded counter ring 41 on an externally threaded portion 25 screw the mounting bush 7.
  • axially too adjusting washer 3 are 26 threaded bolts in axial bores 27 arranged, which are screwed into the actuating piston 24.
  • FIG. 2 As can be seen from the enlarged illustration according to FIG. 2, the actuating pistons 24 over a partial length of a sleeve 28 enclosed, and between the hydraulic cylinder 23 and the sleeve 28, a pressure chamber 29 is formed, which has a transverse bore 30 is connected to a ring line 31.
  • the support ring 20 has still two further ring lines 32, 33, which as to the hydraulic cylinders 23 leading pressure medium connections in the form of cross holes 34, 35 are formed for an actuating and a return stroke.
  • FIG. 2 (or FIG.
  • the left ring line 33 supplies via the transverse bores 34 on the piston surface side pressure chambers 36a and Ring line 32 via the cross bores 35 on the ring surface side Pressure spaces 36b of the hydraulic cylinder 23, which means that at Acting on the piston surface-side pressure spaces 36a an adjustment movement initiated to the right and the target 3 its feather key guide 8 is moved away from the straightening disk 2; of the Return stroke or moving the straightening disks 2, 3 together by introducing hydraulic fluid into the ring surface Pressure chambers 36b, whereupon the actuating piston 24 and thus move the straightening disc 3 to the left.
  • a displacement sensor 39 is accommodated in the chamber bore 22 of the support ring 20, as indicated schematically in Figure 3, that in the straightening disc 3 a magnet, not shown, is assigned.

Abstract

The straightening machine for rolled beams, in partic. hyper-beams, incorporates axially adjustable straightening disks which are mounted on a shaft (1) and contact beam flanges from inside, and are used for straightening at least one of the two beam flanges. The machine is characterised by the fact that a carrier ring (20) with several hydraulic cylinders (23) uniformly distributed over its circumference is located between the straightening disks (2,3), with the piston rods (24) attached to one (3) of the disks. The hydraulic cylinders (23) are screwed into the carrier ring (20). These cylinders are connected to one another by means of a ring channel for the pressure medium. They are provided with connections for the pressure medium for setting, retraction and locking of the piston. Alternatively, retraction of the piston takes place by means of a spring. The carrier ring has an axial bore with a displacement sensor.

Description

Die Erfindung betrifft eine Richtmaschine für gewalzte Träger, insbesondere Hyper-Beams, bei der mindestens eine der beiden den Trägerflanschen von innen her anliegenden, von einer Richtwelle getragenen Richtscheiben axial verstellbar ist.The invention relates to a straightening machine for rolled beams, especially hyper-beams, in which at least one of the two is the Carrier flanges from the inside, from a straightening shaft worn alignment discs is axially adjustable.

Eine Richtwelle für Richtmaschinen dieser Art ist durch die DE-35 22 976 A1 bekanntgeworden. Mit dieser Richtmaschine werden Schienen gerichtet. Vor allem jedoch bei zu richtenden warmgewalzten Doppel-T-Trägern bzw. Hyper-Beams ist zu beachten, daß diese ein baureihenabhängiges konstantes Höhenmaß besitzen, während hingegen die Flanschdicken variieren können. Die Festlegung der Bauhöhe H ermöglicht im Stahlhochbau optimierte Anschlüsse (Knotenbleche) der Träger mit unterschiedlichen Widerstandsmomenten. Damit sich Hyper-Beams mit verschiedenen Flanschdicken walzen lassen, ist es bekannt, in Trägerstraßen die Walzscheiben der Walze in den Walzgerüsten so zu verstellen, daß einerseits das konstante Höhenmaß des Trägers eingehalten wird, andererseits dennoch unterschiedliche Flanschdicken gewalzt werden können. Die Verstellzeit am Walzgerüst beträgt hierbei etwa 30 Sekunden. A straightening shaft for straightening machines of this type is provided by DE-35 22 976 A1 became known. With this straightener, rails directed. Above all, however, for hot-rolled double-T beams to be straightened or hyper beams, it should be noted that these are series-dependent have constant height, while the Flange thicknesses can vary. The determination of the height H enables Optimized connections (gusset plates) in steel buildings Beams with different moments of resistance. So that hyper beams roll with different flange thicknesses, it is known the rolling disks of the roll in the rolling stands in carrier lines to adjust that on the one hand the constant height of the wearer is observed, on the other hand nonetheless different flange thicknesses can be rolled. The adjustment time on the roll stand is here about 30 seconds.

Die momentane Richtpraxis bei einer der Trägerstraße nachgeschalteten Richtmaschine sieht vor, daß die Träger auf den Flanschen liegend in die Richtmaschine gefahren werden und dann mit dem Steg über die Richtscheiben laufen. Das bedeutet, daß die Flansche während des Richtens plastisch verformt werden müssen und alle benötigten Richtkräfte über den Steg sowie den Übergangsradius vom Steg zu den Flanschen in die Flansche geleitet werden. Da durch die Verformung des Steges auch die Flansche zu atmen beginnen und eine axiale Kraft - Einklemmen des Trägers - auf die Richtscheiben ausüben, ist eine axial stabile Konstruktion erforderlich. Die Richtscheiben werden daher über eine Distanzbuchse bzw. Distanzscheiben, dem Kammermaß entsprechend, fest auf eine Montagebuchse montiert und bei Bedarf komplett gewechselt. Diese Montagebuchseneinheit wird direkt auf die Richtwelle gesetzt und dort axial mittels einer Spannmutter bzw. eines Spannkopfes gespannt. Bei einem aufgrund unterschiedlicher Flanschdicken geänderten Kammermaß ist das gleichbedeutend mit einer sehr zeitaufwendigen Umrüstzeit, da jede Kammermaßabweichung zwangsläufig zu einem Wechsel der Montagebuchseneinheit führt.The current straightening practice at one of the carrier lines Straightening machine provides that the carrier on the flanges driven horizontally into the straightening machine and then with the bridge run over the straightening discs. That means the flanges must be plastically deformed during straightening and all required straightening forces via the web and the transition radius from Bridge to the flanges to be directed into the flanges. Because through the Deformation of the web also causes the flanges to start breathing and one axial force - pinching the beam - on the straightening discs an axially stable construction is required. The Straightening disks are therefore over a spacer bush or spacers, according to the dimensions of the chamber, firmly on a mounting bush assembled and completely replaced if necessary. This assembly socket unit is placed directly on the straightening shaft and axially there clamped by means of a clamping nut or a clamping head. At a changed chamber dimensions due to different flange thicknesses synonymous with a very time-consuming changeover time, because every chamber dimension deviation inevitably leads to a change of the assembly bushing unit leads.

Aus der Druckschrift DE-A 4232407 ist auch bereits eine hydraulisch unterstützte Verstellung der Richtscheiben auf ein geändertes Kammermass bekannt. Diese ist jedoch sehr umständlich, da sie Distanzstüche und Kontermittern benötigt. From the document DE-A 4232407 there is already a hydraulic one Supported adjustment of the straightening discs to a changed chamber dimension known. However, this is very cumbersome because it is distance wipes and Counter transmitters needed.

Der Erfindung liegt daher die Aufgabe zugrunde, bei einer Richtmaschine der eingangs genannten Art eine einfache, wartungsfreundliche Möglichkeit zu schaffen, die es erlaubt, das Außen- bzw. Kammermaß der Richtscheiben schnell zu verändern.The invention is therefore based on the object in a straightening machine a simple, easy to maintain of the type mentioned Possibility to create that allows the outer or chamber dimensions of the straightening discs to change quickly.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß zwischen den Richtscheiben ein Tragring für mehrere darin über den Umfang verteilte Hydraulikzylinder angeordnet ist, deren Stellkolben mit einer Richtscheibe verbunden sind. Dadurch, daß zumindest die eine Richtscheibe einer Richtwelle mit den Stellkolben verbunden ist, vorzugsweise über Gewindebolzen mittels einer Schraubverbindung, läßt sich diese Richtscheibe beim Beaufschlagen der Stellkolben mit dem Verschiebedruck - etwa 100 bar - axial verstellen und damit das Kammermaß an geänderte Flanschdicken anpassen, wobei es sich versteht, daß gleichermaßen eine Einstellung an eine Baureihe mit grundsätzlich anderen Träger-Abmessungen möglich ist. Die zweite Richtscheibe kann in ihrer einmal festgelegten Position verbleiben; gleichwohl ließen sich auch beide Richtscheiben axial verstellen, wozu Hydraulikzylinder von beiden Stirnflächen her im Tragring angeordnet werden könnten.This object is achieved in that between the Straightening washers a support ring for several distributed over the circumference Hydraulic cylinder is arranged, the actuating piston with a Straightener are connected. In that at least one straightening disc a straightening shaft is connected to the actuating piston, preferably over threaded bolts by means of a screw connection this straightening disc when the actuating piston is loaded with the Adjust the displacement pressure - about 100 bar - axially and thus the Adjust chamber dimensions to changed flange thicknesses, it being understood that that equally an attitude to a series with fundamentally different carrier dimensions are possible. The second Straightening disc can remain in its once defined position; nevertheless both straightening disks could be adjusted axially, why hydraulic cylinders from both end faces in the support ring could be ordered.

Die vorteilhaft in die Mutter eingeschraubten, und folglich als Einschraubelemente ausgebildeten Hydraulikzylinder, die sich somit in Bohrungen der Mutter befinden, sind als komplette Baueinheit einschraub- und damit entsprechend komplett austauschbar.The advantageously screwed into the nut, and consequently as Screw-in trained hydraulic cylinders, which are thus in the mother holes are as a complete unit screw-in and therefore completely interchangeable.

Eine bevorzugte Ausgestaltung der Erfindung sieht die Hydraulikzylinder miteinander verbindende Ringleitungen vor. Dies gestattet einen Gleichlauf der Stellkolben, wenn diese mit dem Verschiebedruck beaufschlagt werden.A preferred embodiment of the invention sees the hydraulic cylinders interconnecting ring lines. This allows synchronism of the actuating pistons if these with the displacement pressure be charged.

Es wird vorgeschlagen, daß zu den Hydraulikzylindern führende Druckmittelanschlüsse für einen Stell- und einen Rückhub sowie zur Klemmung der Stellkolben vorhanden sind. In diesem Fall besitzt der Tragring entsprechend drei Ringleitungen, denen jeweils eine zentrale Medienkupplung in Form einer schnell anzuschließenden Steckkupplung zugeordnet ist. Statt mit einem hydraulisch beaufschlagten Rückhub ließen sich die Stellkolben alternativ mit einer Federrückstellung ausbilden.It is suggested that leading to the hydraulic cylinders Pressure medium connections for an actuating and a return stroke as well as for The pistons are clamped. In this case the Support ring corresponding to three ring lines, each with a central one Media coupling in the form of a quick-connect plug-in coupling assigned. Instead of a hydraulic one Alternatively, the actuating pistons can be returned with a spring return form.

Eine Ausgestaltung sieht vor, daß der Klemmanschluß in einen zwischen jedem Hydraulikzylinder und einer die Stellkolben umgebenden Hülse ausgebildeten Druckraum mündet. Die somit von außen mit einem hydraulischen Druck - etwa 500 bar - beaufschlagte Hülse fixiert den Stellkolben in seiner Position, so daß die hohen Richtkräfte keine unerwünschte Lageveränderung bewirken können. One embodiment provides that the terminal connection in between each hydraulic cylinder and one surrounding the actuating piston Sleeve trained pressure chamber opens. The outside with one hydraulic pressure - about 500 bar - loaded sleeve fixed the adjusting piston in its position so that the high straightening forces cannot cause an undesirable change in position.

Wenn der Tragring vorteilhaft auf einer Paßfeder angeordnet und von einem von einer Seite her auf einen Gewindeabschnitt einer den Richtzapfen der Richtwelle umschließenden Montagebuchse aufgeschraubten Gegenring verspannt ist, läßt er sich einerseits schnell und einfach montieren sowie festlegen; andererseits ergibt sich selbsttätig eine Positionierung in der Weise, daß sich die Hydraulikzylinder des Tragringes und die Gewindebolzen der ebenfalls auf einer Paßfeder geführten Richtscheibe definiert, das heißt fluchtend gegenüberliegen.If the support ring is advantageously arranged on a feather key and by one from one side onto a threaded section of one Screwed the alignment pin of the assembly sleeve surrounding the alignment shaft Counter ring is clamped, it can be quickly on the one hand and easy to assemble and fix; on the other hand there is automatic positioning in such a way that the hydraulic cylinder of the support ring and the threaded bolts also on a directional washer, which means that it is aligned opposite.

Um eine Positionskontrolle der Richtscheiben zu ermöglichen, kann eine axiale Kammerbohrung des Tragringes mit einem Weggeber versehen sein, dem in der Richtscheibe ein Magnet zugeordnet ist. Die Kammerbohrung läßt sich dabei auf demselben Teilkreis wie die umfangsverteilt in der Stirnfläche des Tragringes angeordneten Bohrungen für die Hydraulikzylinder vorsehen, was die Fertigung vereinfacht, denn alle Bohrungen lassen sich in einem Arbeitsgang aufbohren bzw. herstellen.In order to enable the position of the straightening discs to be checked provide an axial chamber bore of the support ring with a displacement sensor be assigned a magnet in the alignment disc. The chamber bore can be distributed on the same pitch circle as the circumference bores arranged in the end face of the support ring for the hydraulic cylinders provide, which simplifies production, because all holes can be drilled or produce.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachfolgenden Beschreibung, in der ein in den Zeichnungen dargestelltes Ausführungsbeispiel des Gegenstandes der Erfindung näher erläutert ist. Es zeigen:

Figur 1
von einer nicht dargestellten Rollenrichtmaschine als Einzelheit die auf einem Richtzapfen einer Richtwelle angeordneten Richtscheiben mit einer erfindungsgemäßen Verstelleinheit, im Teilquerschnitt dargestellt;
Figur 2
als vergrößerte Einzelheit der Figur 1 die Richtscheiben mit der Verstelleinheit, im Teilquerschnitt dargestellt; und
Figur 3
als Einzelheit der hydraulischen Verstelleinheit die die Hydraulikzylinder aufnehmende Mutter, in der Vorderansicht.
Further features and advantages of the invention result from the claims and the following description, in which an exemplary embodiment of the subject matter of the invention illustrated in the drawings is explained in more detail. Show it:
Figure 1
from a roller straightening machine, not shown, as a detail, the straightening disks arranged on a straightening pin of a straightening shaft with an adjusting unit according to the invention, shown in partial cross section;
Figure 2
as an enlarged detail of Figure 1, the straightening disks with the adjusting unit, shown in partial cross section; and
Figure 3
as a detail of the hydraulic adjusting unit, the nut holding the hydraulic cylinder, in the front view.

Von einer Richtmaschine, die obere und untere Richtwellen 1 mit darauf angeordneten Richtscheiben 2, 3 aufweist, ist in Figur 1 der Richtzapfen 4 einer unteren Richtwelle 1 gezeigt; die zum Richten eines warmgewalzten Hyper-Beams 5 mit den unteren Richtscheiben 2, 3 zusammenwirkenden oberen Richtscheiben 2a, 3a sind nur schematisch angedeutet. Am freien Ende des drehbaren Richtzapfens 4 befindet sich ein als solcher bekannter Spannkopf 6, mit dessen Hilfe sich eine die Richtscheiben 2, 3 aufnehmende Montagebuchse 7 gegen den Richtzapfen 4 verspannen läßt. Die Montagebuchse 7 ist mit einer Keilführung 8 ausgebildet, auf der sich die in Figur 1 rechte Richtscheibe 3 nach außen verstellen läßt. Dies dann, wenn die Walzgerüste in einer der Richtmaschine vorgeschalteten Trägerstraße bei gleicher Bauhöhe 9 des Trägers 5 zum Walzen von Trägern mit einer geringerer Dicke des Flansches 11 umgerüstet werden, so daß sich entsprechend das Kammermaß 12 verändert. Es müssen dann nämlich die den Flanschen 11 von innen her und den Steg 10 von oben und unten anliegenden Richtscheiben 2, 3 entsprechend weiter auseinander- oder zusammengefahren werden. Die in Figur 1 linke Richtscheibe 3 ist im Ausführungsbeispiel stationär auf einer Paßfeder 13 der Montagebuchse 7 angeordnet; sie stützt sich gegen eine Beilage 14 ab.From a straightener, the upper and lower straightening shafts 1 with Alignment disks 2, 3 arranged thereon, in FIG Straightening pin 4 of a lower straightening shaft 1 shown; those for judging a hot-rolled hyper beam 5 with the lower alignment discs 2, 3 interacting upper alignment discs 2a, 3a are only schematic indicated. Located at the free end of the rotatable directional pin 4 a known as such chuck 6, with the help of a mounting bushing 7 accommodating the straightening disks 2, 3 against the Straightening pin 4 can. The mounting bush 7 is with a Wedge guide 8 formed on which the right in Figure 1 Alignment disc 3 can be adjusted outwards. This is when the Roll stands in a carrier line upstream of the straightening machine with the same overall height 9 of the beam 5 for rolling beams with can be converted to a smaller thickness of the flange 11, so that the chamber dimension 12 changes accordingly. Then it has to the flanges 11 from the inside and the web 10 from above and aligning disks 2, 3 lying below can be moved further apart or moved together accordingly. The left-hand straightening disc in FIG. 1 3 is stationary on a feather key in the exemplary embodiment 13 of the mounting bush 7 arranged; she is leaning against one Supplement 14 from.

Wie sich aus Figur 1 weiter ergibt, ist es gleichermaßen möglich, die äußere, rechte Richtscheibe 3 auch bei einer baureihenbedingt wechselnden Abmessung der Bauhöhe 9 zu verstellen, wie für den nahezu mit doppelter Bauhöhe als der Hyper-Beams 5 gewalzten strichpunktiert angedeuteten Träger 15 dargestellt. In diesem Fall ist es erforderlich, zuvor entsprechend der Baureihe angepaßte Richt- und Distanzscheiben auf der Montagebuchse 7 anzubringen. Ein zwischen einem Buchsenkörper 16 des Spannkopfes 6 und der rechten Richtscheibe 3 vorgesehener Faltenbalg 17 schützt das freie Ende der Keil- bzw. Paßfederführung 8 der Richtscheibe 3.As can further be seen from FIG. 1, it is equally possible the outer, right directional disc 3 even with a series changing dimensions of the height 9 to adjust, as for the almost double height as the Hyper-Beams 5 rolled dash-dotted indicated carrier 15 shown. In this case it is necessary to adjust the straightening and adjusting previously according to the series Install spacers on the mounting bush 7. An between a socket body 16 of the clamping head 6 and the right one Direction plate 3 provided bellows 17 protects the free end the wedge or key guide 8 of the straightening disc 3.

Zum Verschieben befindet sich zwischen den Richtscheiben 2, 3 (bzw. 2a, 3a) eine Verschiebeeinheit 18. Diese besteht aus einem mit einer Nut 19 versehenen Tragring 20 (vgl. Figur 3), der auf dem Umfang seiner Kreisringfläche verteilt insgesamt zwölf Kammerbohrungen 21 bzw. 22 aufweist, von denen bis auf die eine Kammerbohrung 22 alle anderen einen Hydraulikzylinder 23 mit einem darin angeordneten Stellkolben 24 aufnehmen (vgl. die Figuren 1 und 2). Der Tragring 20 ist auf der auch die linke Richtscheibe 2 führenden Paßfeder 13 der Montagebuchse 7 angeordnet; seine der rechten, beweglichen Richtscheibe 3 zugewandte Ringfläche ist mit einer zur Wellenbohrung konzentrischen Ausnehmung 40 ausgebildet, in die sich ein mit einem Innengewinde versehener Gegenring 41 auf einen Außengewindeabschnitt 25 der Montagebuchse 7 einschrauben läßt. In der rechten, axial zu verstellenden Richtscheibe 3 sind in Axialbohrungen 26 Gewindebolzen 27 angeordnet, die in die Stellkolben 24 eingeschraubt sind.For shifting there is between the straightening discs 2, 3 (or 2a, 3a) a displacement unit 18. This consists of a with a Groove 19 provided support ring 20 (see FIG. 3) on the circumference a total of twelve chamber bores 21 are distributed over its circular surface or 22, of which all but one chamber bore 22 another a hydraulic cylinder 23 with one arranged therein Take up the actuating piston 24 (cf. FIGS. 1 and 2). The support ring 20 is on the key 13 also leading the left-hand alignment disk 2 the mounting bush 7 arranged; its the right, agile Direction plate 3 facing ring surface is with a shaft bore concentric recess 40 is formed, in which one with a Internally threaded counter ring 41 on an externally threaded portion 25 screw the mounting bush 7. In the right, axially too adjusting washer 3 are 26 threaded bolts in axial bores 27 arranged, which are screwed into the actuating piston 24.

Wie sich aus der vergrößerten Darstellung gemäß Figur 2 ergibt, werden die Stellkolben 24 auf einer Teillänge von einer Hülse 28 umschlossen, und zwischen dem Hydraulikzylinder 23 und der Hülse 28 ist ein Druckraum 29 ausgebildet, der über eine Querbohrung 30 an eine Ringleitung 31 angeschlossen ist. Der Tragring 20 besitzt noch zwei weitere Ringleitungen 32, 33, die als zu den Hydraulikzylindern 23 führende Druckmittelanschlüsse in Form von Querbohrungen 34, 35 für einen Stell- und einen Rückhub ausgebildet sind. Die in Figur 2 (bzw. Figur 1) linke Ringleitung 33 versorgt hierbei über die Querbohrungen 34 kolbenflächenseitige Druckräume 36a und die Ringleitung 32 über die Querbohrungen 35 die ringflächenseitigen Druckräume 36b der Hydraulikzylinder 23, was bedeutet, daß bei Beaufschlagung der kolbenflächenseitigen Druckräume 36a eine Verstellbewegung nach rechts eingeleitet und die Richtscheibe 3 auf ihrer Paßfederführung 8 von der Richtscheibe 2 wegbewegt wird; der Rückhub bzw. das Aufeinanderzufahren der Richtscheiben 2, 3 geschieht durch Einleiten von Druckflüssigkeit in die ringflächenseitigen Druckräume 36b, worauf sich die Stellkolben 24 und damit die Richtscheibe 3 nach links bewegen. Zur Lagesicherung der Richtscheibe 3 in ihrer eingestellten Position wird durch Einleiten von über die Ringleitung 31 und die Querbohrungen 30 in den Druckraum 29 zugeführter Hydraulikflüssigkeit die Hülse 28 an den Stellkolben 24 angepreßt. Es versteht sich, daß sämtliche Druckräume abgedichtet sind.As can be seen from the enlarged illustration according to FIG. 2, the actuating pistons 24 over a partial length of a sleeve 28 enclosed, and between the hydraulic cylinder 23 and the sleeve 28, a pressure chamber 29 is formed, which has a transverse bore 30 is connected to a ring line 31. The support ring 20 has still two further ring lines 32, 33, which as to the hydraulic cylinders 23 leading pressure medium connections in the form of cross holes 34, 35 are formed for an actuating and a return stroke. The in FIG. 2 (or FIG. 1), the left ring line 33 supplies via the transverse bores 34 on the piston surface side pressure chambers 36a and Ring line 32 via the cross bores 35 on the ring surface side Pressure spaces 36b of the hydraulic cylinder 23, which means that at Acting on the piston surface-side pressure spaces 36a an adjustment movement initiated to the right and the target 3 its feather key guide 8 is moved away from the straightening disk 2; of the Return stroke or moving the straightening disks 2, 3 together by introducing hydraulic fluid into the ring surface Pressure chambers 36b, whereupon the actuating piston 24 and thus move the straightening disc 3 to the left. To secure the alignment disk in position 3 in its set position is initiated by via the ring line 31 and the transverse bores 30 into the pressure chamber 29 supplied hydraulic fluid, the sleeve 28 on the actuating piston 24 pressed. It is understood that all pressure rooms are sealed are.

Ein einfaches Anschließen der sämtliche Hydraulikzylinder 23 zentral versorgenden Ringleitungen 31 bis 33 an eine Druckmittelquelle wird durch einen in dem Tragring 20 vorgesehenen Anschluß 37 für eine Steckkupplung erreicht; jeder Ringleitung 31, 32, 33 ist ein Steckkupplungsanschluß 37 zugeordnet, der über eine Verteilerbohrung 38 an die jeweilige Ringleitung angeschlossen ist. Zur Positionskontrolle der eingestellten bzw. axial verschobenen Richtscheibe 3 ist in der Kammerbohrung 22 des Tragrings 20 ein Weggeber 39 untergebracht, wie in Figur 3 schematisch angedeutet, dem in der Richtscheibe 3 ein nicht gezeigter Magnet zugeordnet ist.A simple connection of all hydraulic cylinders 23 centrally supplying ring lines 31 to 33 to a pressure medium source by a connection 37 provided in the support ring 20 for a Plug-in coupling reached; each ring line 31, 32, 33 is a plug coupling connection 37 associated with a distributor bore 38 is connected to the respective ring line. For position control the adjusted or axially shifted straightening disc 3 a displacement sensor 39 is accommodated in the chamber bore 22 of the support ring 20, as indicated schematically in Figure 3, that in the straightening disc 3 a magnet, not shown, is assigned.

Um einhergehend mit dem kurzfristigen Verstellen der Walzscheiben der Walzgerüste einer Trägerstraße ohne Zeitverlust auch ein Einstellen der nachgeschalteten Richtmaschine zu erreichen, braucht somit lediglich die für die gewünschte Stellbewegung mit Hydraulikflüssigkeit zu versorgende Ringleitung 32 oder 33 an die Druckmittelversorgung angeschlossen zu werden, woraufhin die Stellkolben 24 einen Stell- oder Rückhub durchführen und damit die Richtscheibe 3 in die gewünschte, durch den Weggeber 39 zu kontrollierende Position axial verstellen; anschließend wird die Ringleitung 31 beaufschlagt, so daß über die Hülsen 28 zur Positionssicherung ein Klemmdruck auf die Stellkolben 24 aufgebracht wird. Der Klemmdruck bleibt während des Richtprozesses erhalten. Along with the short-term adjustment of the rolling disks setting of the rolling stands of a girder mill without wasting time to reach the downstream straightening machine thus only that for the desired actuating movement with hydraulic fluid Ring line 32 or 33 to be supplied to the pressure medium supply to be connected, whereupon the actuating pistons 24 perform an adjustment or return stroke and thus the straightening disc 3 in the desired to be controlled by the displacement sensor 39 Adjust position axially; then the ring line 31 acts so that a via the sleeves 28 to secure the position Clamping pressure is applied to the actuating piston 24. The clamping pressure remains intact during the straightening process.

Liste der BezugszeichenList of reference numbers

11
RichtwelleStraightening wave
2, 2a2, 2a
RichtscheibeStraightening disc
3, 3a3, 3a
RichtscheibeStraightening disc
44th
RichtzapfenStraightening pin
55
Hyper-BeamsHyper beams
66
SpannkopfClamping head
77
MontagebuchseAssembly bushing
88th
PaßfederführungFeather key guide
99
BauhöheOverall height
1010th
Stegweb
1111
Flanschflange
1212th
KammermaßChamber size
1313
Paßfederadjusting spring
1414
Beilagegarnish
1515
Hyper-BeamsHyper beams
1616
BuchsenkörperSocket body
1717th
FaltenbalgBellows
1818th
VerschiebeeinheitDisplacement unit
1919th
NutGroove
2020th
TragringSupport ring
2121
KammerbohrungChamber bore
2222
KammerbohrungChamber bore
2323
HydraulikzylinderHydraulic cylinder
2424th
Stellkolben Adjusting piston
2525th
AußengewindeabschnittMale thread section
2626
AxialbohrungAxial bore
2727
GewindebolzenThreaded bolt
2828
HülseSleeve
2929
DruckraumPressure room
3030th
QuerbohrungCross hole
3131
RingleitungLoop
3232
RingleitungLoop
3333
RingleitungLoop
3535
DruckraumPressure room
36a, 36b36a, 36b
DruckraumPressure room
3737
AnschlußConnection
3838
VerteilerbohrungDistributor hole
3939
WeggeberDisplacement sensor
4040
AusnehmungRecess
4141
GegenringMating ring

Claims (10)

  1. Straightening machine for rolled beams (5), especially hyper-beams, in which at least one of the two straightening discs (2, 3), which bear against the beam flanges (4) from the inside and are carried by a rotatable straightening shaft (1), is axially adjustable, characterised thereby that a carrier ring (20) for several hydraulic cylinders (23), which are distributed over the circumference in the carrier ring and the setting pistons (24) of which are connected with one straightening disc (3), is arranged between the straightening discs (2, 3).
  2. Straightening machine according to claim 1, characterised thereby that the hydraulic cylinders (23) are screwed into the carrier ring (20).
  3. Straightening machine according to claim 1 or 2, characterised by annular ducts (31, 32, 33) connecting the hydraulic cylinders together.
  4. Straightening machine according to claim 3, characterised thereby that pressure means connections (33, 34 or 32, 35 or 31, 30), which lead to the hydraulic cylinders, for a setting stroke and a return stroke as well as for clamping the setting pistons (24) are present.
  5. Straightening machine according to claim 3, characterised thereby that the setting pistons (24) are constructed with a spring return setting.
  6. Straightening machine according to claim 4 or 5, characterised thereby that the clamping connection (30, 31) opens into a pressure chamber (29) formed between each hydraulic cylinder (23) and a sleeve (28) surrounding the setting pistons (24).
  7. Straightening machine according to one or more of claims 1 to 6, characterised thereby that threaded bolts (27) arranged in the axially movable straightening disc (3) are screwed into the setting pistons (24).
  8. Straightening machine according to one or more of claims 1 to 7, characterised thereby that the carrier ring (20) is arranged on an adjusting spring (13) and is clamped by a counter ring (41) screwed from one side onto a threaded portion of mounting sleeve (7) enclosing the straightening spigots (4) of the straightening shaft (1).
  9. Straightening machine according to one or more of claims 1 to 8, characterised thereby that the axially movable straightening disc (3) is arranged on an adjusting spring guide (8) of the mounting bush (7).
  10. Straightening machine according to one or more of claims 1 to 9, characterised thereby that an axial chamber bore (22) of the carrier ring (20) is provided with a travel transmitter.
EP95100415A 1993-07-21 1995-01-13 Straightening machine for rolled beams, in particular hyper-beams Expired - Lifetime EP0721810B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE4324416A DE4324416A1 (en) 1993-07-21 1993-07-21 Straightening machine for rolled girders, particularly hyper beams
DE59501843T DE59501843D1 (en) 1993-07-21 1995-01-13 Straightening machine for rolled beams, especially hyper beams
AT95100415T ATE164788T1 (en) 1993-07-21 1995-01-13 STRAIGHTENING MACHINE FOR ROLLED BEAMS, ESPECIALLY HYPER-BEAMS
EP95100415A EP0721810B1 (en) 1993-07-21 1995-01-13 Straightening machine for rolled beams, in particular hyper-beams
ES95100415T ES2115271T3 (en) 1993-07-21 1995-01-13 STRAIGHTENING MACHINE FOR LAMINATED BEAMS, ESPECIALLY HYPER-BEAMS.
JP00591895A JP3558398B2 (en) 1993-07-21 1995-01-18 Straightening machine for rolled beams
US08/375,906 US5644939A (en) 1993-07-21 1995-01-20 Straightening machine for rolled beams

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4324416A DE4324416A1 (en) 1993-07-21 1993-07-21 Straightening machine for rolled girders, particularly hyper beams
EP95100415A EP0721810B1 (en) 1993-07-21 1995-01-13 Straightening machine for rolled beams, in particular hyper-beams
JP00591895A JP3558398B2 (en) 1993-07-21 1995-01-18 Straightening machine for rolled beams
US08/375,906 US5644939A (en) 1993-07-21 1995-01-20 Straightening machine for rolled beams

Publications (2)

Publication Number Publication Date
EP0721810A1 EP0721810A1 (en) 1996-07-17
EP0721810B1 true EP0721810B1 (en) 1998-04-08

Family

ID=27435796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100415A Expired - Lifetime EP0721810B1 (en) 1993-07-21 1995-01-13 Straightening machine for rolled beams, in particular hyper-beams

Country Status (6)

Country Link
US (1) US5644939A (en)
EP (1) EP0721810B1 (en)
JP (1) JP3558398B2 (en)
AT (1) ATE164788T1 (en)
DE (2) DE4324416A1 (en)
ES (1) ES2115271T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6823707B2 (en) 2002-04-04 2004-11-30 Abl Fabricators, Inc. Mobile flange press and method
DE10329525B4 (en) * 2003-06-30 2006-02-09 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Method and device for directing a warm profile and method for producing a standardized profile
CN105834253A (en) * 2016-06-12 2016-08-10 马鞍山安麦创新技术有限公司 Prestress locking mechanism of combined roll collar of section steel straightening machine
JP7088149B2 (en) * 2019-08-30 2022-06-21 Jfeスチール株式会社 Bending correction method and correction device
CN112091095A (en) * 2020-10-13 2020-12-18 阜阳鹏程人防工程防护设备有限公司 Straightening processing technology for door frame of civil air defense door
WO2023138888A1 (en) 2022-01-24 2023-07-27 Sms Group Gmbh Straightening machine and method for straightening a steel profile

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022046A (en) * 1973-12-03 1977-05-10 Nippon Steel Corporation Method of and apparatus for straightening steel sections
JPS60162505A (en) * 1984-02-02 1985-08-24 Kawasaki Steel Corp Rolling mill for manufacturing section
DE3522976C2 (en) * 1985-06-27 1994-08-04 Schloemann Siemag Ag Process for straightening rolled stock
JPH0783885B2 (en) * 1990-01-12 1995-09-13 新日本製鐵株式会社 Roll width adjustment device
US5154074A (en) * 1990-02-23 1992-10-13 Sumitomo Metal Industries, Ltd. Roll with width adjusting function
US5060498A (en) * 1990-08-28 1991-10-29 Kawasaki Steel Corporation Section steel straightener with adjustable roller width
US5191780A (en) * 1991-03-19 1993-03-09 Kawasaki Steel Corporation Roller-type straightening apparatus for h-beams
KR940002747B1 (en) * 1991-04-17 1994-04-02 닛뽄 고우깐 가부시끼가이샤 Rolling roller and rolling mill
DE4232407C2 (en) * 1992-09-26 1994-10-13 Hoestemberghe & Kluetsch Gmbh Device for straightening hot-rolled beams or U-profiles

Also Published As

Publication number Publication date
ATE164788T1 (en) 1998-04-15
JP3558398B2 (en) 2004-08-25
DE4324416A1 (en) 1995-01-26
US5644939A (en) 1997-07-08
EP0721810A1 (en) 1996-07-17
DE59501843D1 (en) 1998-05-14
ES2115271T3 (en) 1998-06-16
JPH08197141A (en) 1996-08-06

Similar Documents

Publication Publication Date Title
DE3545506C2 (en)
CH674878A5 (en)
DE2933704A1 (en) PRESSURE CONNECTION BETWEEN A VALVE BLOCK AND A CONSUMER HAVING AT LEAST ONE DOUBLE-ACTING PRESSURE MOTOR
EP0657238A1 (en) Arrangement for the transmission of a pressurized medium
DE10015339A1 (en) Roll stand for rolling mills for rolling metallic pipes, bars or wires
EP0721810B1 (en) Straightening machine for rolled beams, in particular hyper-beams
EP0618024A1 (en) Frame for strand guiding
EP0196523B1 (en) Radial press
EP0483939A1 (en) Alignment of horizontal rolls
EP0634235A1 (en) Straightening machine for rolled profiles, especially H-profiles
EP3664998B1 (en) Press
EP0563699B1 (en) Plate cylinder with adjustable tension bar
CH625996A5 (en) Device for butt welding thermoplastic pipes by the heated tool welding process
DE3834606A1 (en) Device for fixing a roll ring
DE4025929C2 (en) Clamping device for the idler wheel of tracked vehicles
DE4013896C1 (en) Pre-tension adjuster for ball bearings - has end of sleeve bearing against fixed end-stop in housing
DE2522213B2 (en) Multi-roll stand
DE19711337A1 (en) Procedure for tip grinding of compressor stator blades of aviation gas turbine
EP0953385B1 (en) Straightening machine for rolled beams
EP0411459B1 (en) Device for centring and clamping tubular workpieces
DE4232407C2 (en) Device for straightening hot-rolled beams or U-profiles
EP0342179A2 (en) Device for mounting a roll ring on a roll shaft
DE1502047B2 (en) CLAMPING PIN FOR WORKPIECES
DE3933076C1 (en) Vertical press for forge - has double-action piston which can be withdrawn when end plate is removed
DE19509768C2 (en) camp

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19950202

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT DE ES GB IT

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19970627

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE ES GB IT

REF Corresponds to:

Ref document number: 164788

Country of ref document: AT

Date of ref document: 19980415

Kind code of ref document: T

REF Corresponds to:

Ref document number: 59501843

Country of ref document: DE

Date of ref document: 19980514

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2115271

Country of ref document: ES

Kind code of ref document: T3

ITF It: translation for a ep patent filed

Owner name: STUDIO JAUMANN P. & C. S.N.C.

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19980713

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060112

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20060113

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20060120

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20060130

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060131

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070801

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20070113

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070113

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070113

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20070115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070115

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070113