EP0256372A2 - Vertical roll drive device for a universal rolling mill stand - Google Patents

Vertical roll drive device for a universal rolling mill stand Download PDF

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Publication number
EP0256372A2
EP0256372A2 EP87110954A EP87110954A EP0256372A2 EP 0256372 A2 EP0256372 A2 EP 0256372A2 EP 87110954 A EP87110954 A EP 87110954A EP 87110954 A EP87110954 A EP 87110954A EP 0256372 A2 EP0256372 A2 EP 0256372A2
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EP
European Patent Office
Prior art keywords
drive
vertical
chock
spur gear
vertical roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87110954A
Other languages
German (de)
French (fr)
Other versions
EP0256372A3 (en
EP0256372B1 (en
Inventor
Georg Engel
Hans-Heinrich Hartmann
Peter Koethe
Alexandr Svagr
Bernd Onderka
Siegfried Küsel
Dieter Nobis
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
Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to AT87110954T priority Critical patent/ATE78197T1/en
Publication of EP0256372A2 publication Critical patent/EP0256372A2/en
Publication of EP0256372A3 publication Critical patent/EP0256372A3/en
Application granted granted Critical
Publication of EP0256372B1 publication Critical patent/EP0256372B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/10—Driving arrangements for rolls which have only a low-power drive; Driving arrangements for rolls which receive power from the shaft of another roll
    • 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
    • B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
    • B21B13/10—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/088—H- or I-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B2035/005—Hydraulic drive motors

Definitions

  • the invention relates to a device for driving the vertical rolls of a universal roll stand in at least one direction of rotation, the vertical rolls being mounted in chocks.
  • the invention has for its object to avoid the disadvantages of the known drag drives for vertical rollers and to achieve a positive drive of the vertical rollers.
  • a universal roll stand for rolling I-sections 1, shown schematically in FIG. 1, is known to comprise two horizontal rolls 2 and two vertical rolls 3, which are rotatably mounted on a fixed support shaft 4 within a mounting piece 8 via roller bearings 6 and 7.
  • an electric motor is installed in each chock 8, the stator of which is formed by an annular collar 4a of the support shaft 4, in that the annular collar 4a is provided with the primary armature 4b through which current flows.
  • the power supply not shown, takes place through the fixed support axis 4.
  • the vertical roller 3 is designed as a rotor of the electric motor, in that it carries the secondary windings 5. Since the vertical rollers 3 designed as the rotor of the electric motor expediently consist of readily magnetizable steel, they are armored with a rolled-on roller ring 9 made of wear-resistant material.
  • a vertical roller 10 is rotatably mounted within a chock 11, which can be set against the rolling stock via two plungers 12, 13 of the vertical adjusting device, not shown. Between the plungers 12, 13 is a box 11a open towards the chock as a housing flange-like extension of the chock 11, which receives a hydraulic motor 14, the pressure lines 15 are led out of the housing-like extension 11a.
  • the hydraulic motor 14 is provided with a drive spur gear 16, from which the vertical roller 10 is driven directly via an intermediate spur gear 17 mounted in the chock 11.
  • the vertical roller is provided on one end face with an externally toothed drive ring 18 which is in engagement with the intermediate spur gear 17.
  • the intermediate wheel 17 is rotatably connected to a shaft 19 mounted at both ends in the chock 11 which, for reasons of drive symmetry, carries a further intermediate spur gear 17 'which engages with a further drive ring 18' of the vertical roller 8.
  • the shaft 19 passes through a filler piece 20 which is inserted into a radial installation opening 21 of the fitting 11 corresponding to the diameter of the intermediate spur gears 17, 17' and radially through the inserted shaft 19 is fixed.
  • the vertical roller 23 is mounted in a chock 24 which is provided with two cantilever-like extensions 24a which, with an outer support wall 25, form a housing which is open laterally outside the chock 24, as shown in FIG. 6. Between these extensions 24a, a slider 26 is radially positively guided, which extends through a radial installation opening 27 of the chock 24.
  • the slider 26 carries a hydraulic motor 29 provided with a drive spur gear 28.
  • the drive spur gear 28 is in engagement with an intermediate spur gear 30 which is rotatably mounted in the slider 26 via a shaft 31.
  • the shaft 31 is rotatably connected to a friction wheel 32 which drives the vertical roller 23 on its outer circumference.
  • the friction wheel can be sustainably pressed against the vertical roller 23, supported on the support wall 25 of the housing-like extension 24a, by means of two cylinders 33 arranged on the side of the hydraulic motor 29, which are connected to the slider 26 via joints 34 connected and the piston rods 35 are connected to the support wall 25 via flange cover 36.
  • the hydraulic internal drive of the vertical roller 40 according to FIGS. 7 and 8 does not require a housing-like extension of the chock 41, since the hydraulic motor 43 is inserted into the non-rotatable support axis 42 of the vertical roller.
  • the drive goes from a drive spur gear 44 coaxial with the hydraulic motor 43 via a first and a second intermediate spur gear 45 and 46 to an internally toothed drive ring 47 of the vertical roller 40.
  • the hydraulic motor 43 is eccentrically in the support axis 42 used to create space for a shaft 48 inserted in the opposite eccentric manner in the support shaft 42 for mounting the first intermediate spur gear 45.
  • the support shaft 42 is provided with a radial installation opening 49 (FIG. 8).
  • the support shaft 42 is surrounded by a support sleeve 50 which is connected in a rotationally fixed manner to the non-rotatable support shaft 42 via a feather key 51.
  • This support sleeve 50 has a collar 53 (FIG. 7, right half) arranged symmetrically to the transverse plane Q, against which the inner rings 54a of two oblique roller bearings 54 are braced.
  • this collar 53 also fulfills the task of holding the shaft 52, in which the support sleeve 50 and the collar 53 are provided with a radial installation opening 55 (FIG. 8) in such a way that the shaft 52 faces outward in flanks 53a of the Federal 53 and can be clamped inwards by bearing cover 56 (Fi.g 8).
  • the internally toothed drive ring 47 of the vertical roller 40 is not molded onto the roller body, but rather a stepped ring which is connected via screws 57 to an inwardly projecting collar 40a of the vertical roller.
  • the collar 40a and the outwardly projecting step 47a of the internally toothed drive ring 47 serve as a common abutment for bracing the outer rings 54b of the two inclined roller bearings 54.
  • All solutions with a hydraulic drive according to FIGS. 2 to 8 make it possible to mount the spur gears in chambers which are closed to the outside and which can be sealed to the outside.
  • a guided lubricating oil in the exemplary embodiment according to FIGS. 7 and 8, for example, via an inner bore 48a of the shaft 48, can even be used to lubricate the roller bearings 54.
  • the bracing of the outer races 54b of the bearings against the collar 40a or the step 47a also has a sealing function.

Abstract

To avoid impacts on the first pass of the rolled product through a universal rolling mill the vertical rolls of the rolling mill can be provided with their own integral drive according to our invention. In an electrical drive for a vertical roll the vertical roll is the rotor of an electric motor while the stator is a circular collar on a nonrotatable supporting axle for the vertical roll. In a hydraulic drive for a vertical roll a hydraulic motor is either located in a housing side extension of the structural member supporting the vertical roll to drive it from the outside by spur wheel gearing or by a frictional drive or the hydraulic motor is mounted in the nonrotating supporting axle of the vertical roll and engages on an inner cogged drive ring on the vertical roll from the inside by spur gearing positioned on a transverse plane.

Description

Die Erfindung betrifft eine Einrichtung zum Antrieb der Vertikalwalzen eines Universalwalzgerüstes in mindestens einer Drehrichtung, wobei die Vertikalwalzen in Einbaustücken gelagert sind.The invention relates to a device for driving the vertical rolls of a universal roll stand in at least one direction of rotation, the vertical rolls being mounted in chocks.

In Der Praxis sind die Vertikalwalzen eines Universalwalz­gerüstes nicht angetrieben, obwohl Schleppantriebe entwickelt worden sind, um die Vertikalwalzen reibungsschlüssig von um­laufenden Flächen einer Horizontalwalze anzutreiben (DE-PS 11 18 724). Durch derartige Schleppantriebe soll erreicht wer­den, daß die Vertikalwalzen schon vor dem Anstich des Walz­gutes in Drehung versetzt sind, um Stöße bei den Anstichen zu vermeiden, die zu Beschädigungen führen können. Bedingt durch die Geometrie des Walzspaltes greifen nämlich die Vertikalwal­zen an den Flanschen eines I-Walzprofils früher an als die Horizontalwalzen an dem Steg.In practice, the vertical rolls of a universal roll stand are not driven, although towing drives have been developed in order to drive the vertical rolls frictionally from the peripheral surfaces of a horizontal roll (DE-PS 11 18 724). By means of such traction drives it should be achieved that the vertical rollers are set in rotation before the rolling stock is tapped, in order to avoid impacts on the tapping which can lead to damage. Due to the geometry of the roll gap, the vertical rolls attack the flanges of an I-roll profile earlier than the horizontal rolls on the web.

Die bekannten Schleppantriebe für Vertikalwalzen erfordern jedoch entweder eine Außen-Abstützung der Vertikalwalzen, d.h. ein Verzicht auf eine 2fache Achslagerung (DE-PS 93 321), oder die Anstellvorrichtungen für die Vertikalwalzen müssen durch eine Einrichtung ergänzt werden, um die Vertikalwalzen zwischen den Stichen achsparallel zu den Horizontalwalzen an die Stirn­flächen der Horizontalwalzen vorübergehend anpressen zu können (DE-PS 11 18 724).The known drag drives for vertical rolls, however, require either an external support of the vertical rolls, i.e. a waiver of a double axle bearing (DE-PS 93 321), or the adjusting devices for the vertical rollers must be supplemented by a device in order to be able to temporarily press the vertical rollers between the stitches axially parallel to the horizontal rollers on the end faces of the horizontal rollers (DE-PS 11 18 724).

Der Erfindung liegt die Aufgabe zugrunde, die Nachteile der bekannten Schleppantriebe für Vertikalwalzen zu vermeiden und zu einem positiven Antrieb der Vertikalwalzen zu gelangen.The invention has for its object to avoid the disadvantages of the known drag drives for vertical rollers and to achieve a positive drive of the vertical rollers.

Zur Lösung dieser Aufgabe werden gemäß der Erfindung drei Prinziplösungen eines positiven Antriebes von Verti­kalwalzen des Universalwalzgerüstes vorgeschlagen, und zwar eine erste Lösung mittels eines Elektromotors nach dem Patentanspruch 1, eine zweite Lösung mittels eines außerhalb der Vertikalwalze angeordneten Hydromotor nach dem Patentanspruch 2 sowie eine dritte Lösung mit einem innerhalb der Tragachse der Vertikalwalze angeordneten Hydromotor nach dem Patentanspruch 5. Vorteilhafte kon­krete Ausführungsformen der hydraulischen Lösungen sind in den Patentansprüchen 3 und 4 bzw. 6 angegeben. Für alle Lösungen empfiehlt es sich, das Antriebsmoment des jewei­ligen Antriebsmotors derart auszulegen, daß die Vertikal­walze während des Walzens Verformungsarbeit leistet.To solve this problem, three basic solutions of a positive drive of vertical rollers of the universal rolling stand are proposed according to the invention, namely a first solution by means of an electric motor according to claim 1, a second solution by means of a hydraulic motor arranged outside the vertical roller according to claim 2 and a third solution with a hydraulic motor arranged within the supporting axis of the vertical roller according to claim 5. Advantageous specific embodiments of the hydraulic solutions are specified in claims 3 and 4 or 6. For all solutions, it is advisable to design the drive torque of the respective drive motor in such a way that the vertical roller performs deformation work during the rolling.

In der Zeichnung sind Ausführungsbeispiele für die ver­schiedenen Lösungen dargestellt, und zwar zeigen

  • Fig. 1 Schematisch einen senkrechten Schnitt durch die in einer senkrechten Ebene angeordneten Horizon­tal- und Vertikalwalzen bzw. ihre Lagerungen, mit einem Elektromotor zum Antrieb der Vertikal­walzen,
  • Fig. 2 einen teilweisen axialen Schnitt durch das Ein­baustück einer Vertikalwalze mit Stirnradantrieb von einem Hydromotor aus,
  • Fig. 3 einen waagerechten Schnitt nach der Linie III-­III in Fig. 2,
  • Fig. 4 einen teilweisen senkrechten Schnitt durch ein Einbaustück einer Vertikelwalze mit Reibradan­trieb von einem Hydromotor aus,
  • Fig. 5 einen waagerechten Schnitt nach der Linie V-V in Fig. 4,
  • Fig. 6 einen senkrechten Schnitt nach der Linie VI-­VI in Fig. 5,
  • Fig. 7 einen teilweisen senkrechten Axialschnitt durch eine Vertikalwalze mit innerhalb der Tragachse angeordnetem Hydromotor, und
  • Fig. 8 einen teilweisen Axialschnitt nach der Linie VIII-VIII in Fig. 7.
In the drawing, exemplary embodiments of the different solutions are shown, namely show
  • 1 schematically shows a vertical section through the horizontal and vertical rollers arranged in a vertical plane or their bearings, with an electric motor for driving the vertical rollers,
  • 2 is a partial axial section through the chock of a vertical roller with spur gear drive from a hydraulic motor,
  • 3 shows a horizontal section along the line III-III in FIG. 2,
  • 4 is a partial vertical section through a chock of a vertical roller with friction wheel drive from a hydraulic motor,
  • 5 is a horizontal section along the line VV in Fig. 4,
  • 6 is a vertical section along the line VI-VI in Fig. 5,
  • Fig. 7 is a partial vertical axial section through a vertical roller with a hydraulic motor arranged within the support axis, and
  • 8 is a partial axial section along the line VIII-VIII in Fig. 7th

Ein in Fig. 1 schematisch dargestelltes Universalwalzge­rüst zum Walzen von I-Profilen 1 umfaßt bekanntlich zwei Horizontalwalzen 2 sowie zwei Vertikalwalzen 3, die auf einer feststehenden Tragachse 4 innerhalb je eines Ein­baustückes 8 über Wälzlager 6 und 7 drehbar gelagert sind. Zum positiven Antrieb der Vertikalwalzen 3 ist in jedes Einbaustück 8 ein Elektromotor eingebaut, dessen Stator von einem Ringbund 4a der Tragachse 4 gebildet ist, in­dem der Ringbund 4a mit dem stromdurchflossenen Primär­anker 4b versehen ist. Die nicht dargestellte Stromzu­führung erfolgt dabei durch die feststehende Tragachse 4. Die Vertikalwalze 3 ist als Rotor des Elektromotors ausge­bildet, indem diese die Sekundärwicklungen 5 trägt. Da die als Rotor des Elektromotors ausgebildeten Vertikalwalzen 3 zweckmäßig aus gut magnetisierbarem Stahl bestehen, sind sie mit einem aufgezogenen Walzring 9 aus verschleißfestem Material ge­panzert.A universal roll stand for rolling I-sections 1, shown schematically in FIG. 1, is known to comprise two horizontal rolls 2 and two vertical rolls 3, which are rotatably mounted on a fixed support shaft 4 within a mounting piece 8 via roller bearings 6 and 7. For the positive drive of the vertical rollers 3, an electric motor is installed in each chock 8, the stator of which is formed by an annular collar 4a of the support shaft 4, in that the annular collar 4a is provided with the primary armature 4b through which current flows. The power supply, not shown, takes place through the fixed support axis 4. The vertical roller 3 is designed as a rotor of the electric motor, in that it carries the secondary windings 5. Since the vertical rollers 3 designed as the rotor of the electric motor expediently consist of readily magnetizable steel, they are armored with a rolled-on roller ring 9 made of wear-resistant material.

Nach dem Ausführungsbeispiel gemäß Fig. 2 und 3 ist eine Vertikalwalze 10 innerhalb eines Einbaustückes 11 drehbar gelagert, das über zwei Stößel 12, 13 der nicht darge­stellten vertikalen Anstellvorrichtung gegen das Walzgut angestellt werden kann. Zwischen den Stößeln 12, 13 ist ein zum Einbaustück hin offener Kasten 11a als gehäuse­ artige Verlängerung des Einbaustückes 11 angeflanscht, der einen Hydromotor 14 aufnimmt, dessen Druckleitungen 15 aus der gehäuseartigen Verlängerung 11a hinausgeführt sind.According to the embodiment shown in FIGS. 2 and 3, a vertical roller 10 is rotatably mounted within a chock 11, which can be set against the rolling stock via two plungers 12, 13 of the vertical adjusting device, not shown. Between the plungers 12, 13 is a box 11a open towards the chock as a housing flange-like extension of the chock 11, which receives a hydraulic motor 14, the pressure lines 15 are led out of the housing-like extension 11a.

Der Hydromotor 14 ist mit einem Antriebs-Stirnrad 16 ver­sehen, von dem aus die Vertikalwalze 10 über ein im Ein­baustück 11 gelagertes Zwischen-Stirnrad 17 unmittelbar angetrieben ist. Hierzu ist die Vertikalwalze an einer Stirnfläche mit einem außenverzahnten Antriebsring 18 versehen, der mit dem Zwischen-Stirnrad 17 im Eingriff ist. Das Zwischenrad 17 ist mit einer im Einbaustück 11 beidendig gelagerten Welle 19 drehfest verbunden, die aus Gründen der Antriebssymmetrie ein weiteres Zwischen­stirnrad 17ʹ trägt, das mit einem weiteren Antriebsring 18ʹ der Vertikalwalze 8 im Eingriff ist.The hydraulic motor 14 is provided with a drive spur gear 16, from which the vertical roller 10 is driven directly via an intermediate spur gear 17 mounted in the chock 11. For this purpose, the vertical roller is provided on one end face with an externally toothed drive ring 18 which is in engagement with the intermediate spur gear 17. The intermediate wheel 17 is rotatably connected to a shaft 19 mounted at both ends in the chock 11 which, for reasons of drive symmetry, carries a further intermediate spur gear 17 'which engages with a further drive ring 18' of the vertical roller 8.

Um die Zwischen- Stirnräder 17 und 17ʹ einbauen und axial festlegen zu können, durchgreift die Welle 19 ein Füll­stück 20, das in eine dem Durchmesser der Zwischen-Stirn­räder 17, 17ʹ entsprechende radiale Einbauöffnung 21 des Einbaustückes 11 eingesetzt und durch die durchge­steckte Welle 19 radial fixiert ist.In order to be able to install and axially fix the intermediate spur gears 17 and 17 ', the shaft 19 passes through a filler piece 20 which is inserted into a radial installation opening 21 of the fitting 11 corresponding to the diameter of the intermediate spur gears 17, 17' and radially through the inserted shaft 19 is fixed.

In dem Ausführungsbeispiel nach Fig. 4 bis 6 ist die Vertikalwalze 23 in einem Einbaustück 24 gelagert, das mit zwei auslegerartigen Verlängerungen 24a versehen ist, die mit einer äußeren Stützwand 25 ein außerhalb des Einbaustückes 24 seitlich offenes Gehäuse bilden, wie Fig. 6 zeigt. Zwischen diesen Verlängerungen 24a ist ein Gleitstück 26 formschlüssig radial geführt, das eine radiale Einbauöffnung 27 des Einbaustückes 24 durchgreift. Das Gleitstück 26 trägt einen mit einem Antriebs-Stirnrad 28 versehenen Hydromotor 29. Das Antriebsstirnrad 28 steht mit einem Zwischen-Stirnrad 30 im Eingriff, das über eine Welle 31 in dem Gleitstück 26 drehbar gelagert ist. Die Welle 31 ist mit einem Reibrad 32 drehfest verbunden, das die Vertikalwalze 23 an deren Außenumfang antreibt.In the exemplary embodiment according to FIGS. 4 to 6, the vertical roller 23 is mounted in a chock 24 which is provided with two cantilever-like extensions 24a which, with an outer support wall 25, form a housing which is open laterally outside the chock 24, as shown in FIG. 6. Between these extensions 24a, a slider 26 is radially positively guided, which extends through a radial installation opening 27 of the chock 24. The slider 26 carries a hydraulic motor 29 provided with a drive spur gear 28. The drive spur gear 28 is in engagement with an intermediate spur gear 30 which is rotatably mounted in the slider 26 via a shaft 31. The shaft 31 is rotatably connected to a friction wheel 32 which drives the vertical roller 23 on its outer circumference.

Um den Anpreßdruck des Reibrades 32 einstellen zu können, ist das Reibrad unter Abstützung an der Stützwand 25 der gehäuseartigen Verlängerung 24a nachhaltig gegen die Vertikalwalze 23 andrückbar, und zwar mittels zweier seit­lich des Hydromotors 29 angeordneter Zylinder 33, die über Gelenke 34 mit dem Gleitstück 26 verbunden und deren Kolbenstangen 35 über Flanschdeckel 36 mit der Stützwand 25 verbunden sind.In order to be able to adjust the contact pressure of the friction wheel 32, the friction wheel can be sustainably pressed against the vertical roller 23, supported on the support wall 25 of the housing-like extension 24a, by means of two cylinders 33 arranged on the side of the hydraulic motor 29, which are connected to the slider 26 via joints 34 connected and the piston rods 35 are connected to the support wall 25 via flange cover 36.

Der hydraulische Innenantrieb der Vertikalwalze 40 nach Fig. 7 und 8 benötigt keine gehäuseartige Verlängerung des Einbaustückes 41, da der Hydromotor 43 in die undreh­bare Tragachse 42 der Vertikalwalze eingesetzt ist. Wie Fig. 8 zeigt, geht der Antrieb von einem mit dem Hydromotor 43 koaxialen Antriebs-Stirnrad 44 über ein erstes und ein zweites Zwischen-Stirnrad 45 und 46 auf einen innenverzahnten Antriebsring 47 der Vertikal­walze 40. Der Hydromotor 43 ist außermittig in die Trag­achse 42 eingesetzt, um Platz zu schaffen für eine ent­gegengesetzt außermittig in die Tragachse 42 eingesetzte Welle 48 zur Lagerung des ersten Zwischen-Stirnrades 45. Zur Unterbringung dieses Stirnrades 45 ist die Tragachse 42 mit einer radialen Einbauöffnung 49 versehen (Fig. 8).The hydraulic internal drive of the vertical roller 40 according to FIGS. 7 and 8 does not require a housing-like extension of the chock 41, since the hydraulic motor 43 is inserted into the non-rotatable support axis 42 of the vertical roller. As shown in FIG. 8, the drive goes from a drive spur gear 44 coaxial with the hydraulic motor 43 via a first and a second intermediate spur gear 45 and 46 to an internally toothed drive ring 47 of the vertical roller 40. The hydraulic motor 43 is eccentrically in the support axis 42 used to create space for a shaft 48 inserted in the opposite eccentric manner in the support shaft 42 for mounting the first intermediate spur gear 45. To accommodate this spur gear 45, the support shaft 42 is provided with a radial installation opening 49 (FIG. 8).

Da die Welle 52 für das zweite Zwischen-Stirnrad 46 außer­halb der Tragachse 42 gehalten werden muß, ist die Trag­achse 42 von einer Stützhülse 50 umgeben, die über eine Paßfeder 51 drehfest mit der undrehbaren Tragachse 42 verbunden ist. Diese Stützhülse 50 hat einen symmetrisch zur Querebene Q angeordneten Bund 53 (Fig. 7, rechte Hälfte), gegen den die Innenringe 54a zweier Schrägrollen­lager 54 verspannt sind. Dieser Bund 53 erfüllt jedoch auch die Aufgabe der Halterung der Welle 52, in dem die Stützhülse 50 sowie der Bund 53 in der Weise mit einer radialen Einbauöffnung 55 (Fig. 8) versehen sind, daß die Welle 52 nach außen in stehengebliebenen Flanken 53a des Bundes 53 und nach innen durch Lagerdeckel 56 (Fi.g 8) festgespannt werden kann.Since the shaft 52 for the second intermediate spur gear 46 has to be held outside the support shaft 42, the support shaft 42 is surrounded by a support sleeve 50 which is connected in a rotationally fixed manner to the non-rotatable support shaft 42 via a feather key 51. This support sleeve 50 has a collar 53 (FIG. 7, right half) arranged symmetrically to the transverse plane Q, against which the inner rings 54a of two oblique roller bearings 54 are braced. However, this collar 53 also fulfills the task of holding the shaft 52, in which the support sleeve 50 and the collar 53 are provided with a radial installation opening 55 (FIG. 8) in such a way that the shaft 52 faces outward in flanks 53a of the Federal 53 and can be clamped inwards by bearing cover 56 (Fi.g 8).

Der innenverzahnte Antriebsring 47 der Vertikalwalze 40 ist aus Gründen der Herstellung nicht an dem Walzenkörper angeformt, sondern ein abgestufter Ring, der über Schrau­ben 57 mit einem nach innen ragenden Bund 40a der Vertikal­walze verbunden ist. In der Ringebene der umfangsverteilten Schrauben 57 dienen der Bund 40a sowie die nach außen vor­springende Abstufung 47a des innenverzahnten Antriebs­ringes 47 als gemeinsames Widerlager für die Verspannung der Außenringe 54b der beiden Schrägrollenlager 54.For reasons of manufacture, the internally toothed drive ring 47 of the vertical roller 40 is not molded onto the roller body, but rather a stepped ring which is connected via screws 57 to an inwardly projecting collar 40a of the vertical roller. In the ring plane of the circumferentially distributed screws 57, the collar 40a and the outwardly projecting step 47a of the internally toothed drive ring 47 serve as a common abutment for bracing the outer rings 54b of the two inclined roller bearings 54.

Alle Lösungen mit hydraulischem Antrieb nach Fig. 2 bis 8 ermöglichen es, die Stirnräder in nach außen geschlosse­nen Kammern zu montieren, die nach außen abgedichtet wer­den können. Ein geleitetes Schmieröl, im Ausführungsbei­spiel nach Fig. 7 und 8 beispielsweise über eine Innen­bohrung 48a der Welle 48, kann sogar zur Schmierung der Wälzlager 54 herangezogen werden. Die Verspannung der äußeren Laufringe 54b der Lager gegen den Bund 40a bzw. die Abstufung 47a hat ebenfalls eine Dichtfunktion.All solutions with a hydraulic drive according to FIGS. 2 to 8 make it possible to mount the spur gears in chambers which are closed to the outside and which can be sealed to the outside. A guided lubricating oil, in the exemplary embodiment according to FIGS. 7 and 8, for example, via an inner bore 48a of the shaft 48, can even be used to lubricate the roller bearings 54. The bracing of the outer races 54b of the bearings against the collar 40a or the step 47a also has a sealing function.

Claims (7)

1. Einrichtung zum Antrieb der Vertikalwalzen eines Uni­versalwalzgerüstes in mindestens einer Drehrichtung , wobei die Vertikalwalzen in Einbaustücken auf Trag­achsen gelagert sind,
dadurch gekennzeichnet, daß der Antrieb aus einem Elektromotor besteht, dessen Stator (4b) von einem Ringbund (4a) der im Einbaustück (8) undrehbaren Tragachse (4) der Vertikalwalze (3) gebildet ist, und daß die auf der Tragachse drehbar gelagerte Vertikal­walze als Rotor (5) des Elektromotors ausgebildet ist (Fig. 1).1. device for driving the vertical rolls of a universal rolling stand in at least one direction of rotation, the vertical rolls being mounted in chocks on supporting axes,
characterized in that the drive consists of an electric motor, the stator (4b) of which is formed by an annular collar (4a) of the supporting axis (4) of the vertical roller (3) which is non-rotatable in the chock (8), and in that the vertical roller rotatably mounted on the supporting axis is designed as a rotor (5) of the electric motor (FIG. 1). 2. Einrichtung zum Antrieb der Vertikalwalzen eines Uni­versalwalzgerüstes in mindestens einer Drehrichtung, wobei die Vertikalwalzen in Einbaustücken auf Trag­achsen gelagert sind,
dadurch gekennzeichnet, daß der Antrieb aus einem Hydromotor (14,29) besteht, der in einer gehäuseartigen Verlängerung (11a, 24a) des Einbaustückes (11,24) der Vertikalwalze (10,23) angeordnet und mit einem Antriebs-Stirnrad (16, 28) versehen ist, von dem aus die Vertikalwalze über mindestens ein im Einbaustück gelagertes Zwischen-Stirnrad (17) unmittelbar oder mittelbar über ein Reibrad (32) angetrieben ist (Fig. 2 bis 6).2. Device for driving the vertical rolls of a universal roll stand in at least one direction of rotation, the vertical rolls being mounted in chocks on supporting axes,
characterized in that the drive consists of a hydraulic motor (14, 29) which is arranged in a housing-like extension (11a, 24a) of the chock (11, 24) of the vertical roller (10, 23) and with a drive spur gear (16, 28) is provided, from which the vertical roller is driven directly or indirectly via a friction wheel (32) via at least one intermediate spur gear (17) mounted in the chock (FIGS. 2 to 6). 3. Einrichtung nach Anspruch 2 mit unmittelbarem Stirn­radantrieb, dadurch gekennzeichnet, daß die gehäuse­artige Verlängerung (11a) des Einbaustückes (11) aus einem zum Einbaustück hin offenen Kasten besteht, der an das Einbaustück angeflanscht ist, daß die Vertikal­walze (10) an mindestens einer Stirnfläche mit einem außen verzahnten Antriebsring (18) versehen ist, der mit dem Zwischen-Stirnrad (17) im Eingriff ist, und daß das mit dem Antriebs-Stirnrad im Eingriff stehen­den Zwischen-Stirnrad mit einer im Einbaustück beid­endig gelagerten Welle (19) drehfest verbunden ist, die ein Füllstück (20) durchgreift, das in eine dem Durchmesser des Zwischen-Stirnrades entsprechende radiale Einbauöffnung (21) des Einbaustückes einge­setzt und durch die durchgesteckte Welle radial fixiert ist (Fig. 2 und 3).3. Device according to claim 2 with direct spur gear, characterized in that the housing-like extension (11 a) of the chock (11) consists of an open to the chock box which is flanged to the chock that the vertical roller (10) on at least one End face is provided with an externally toothed drive ring (18) which engages with the intermediate spur gear (17), and that the intermediate spur gear engaged with the drive spur gear with a shaft (19) mounted on both ends in the chock is connected, which passes through a filler piece (20) which is inserted into a radial installation opening (21) of the chock corresponding to the diameter of the intermediate spur gear and is fixed radially by the inserted shaft (FIGS. 2 and 3). 4. Einrichtung nach Anspruch 2 mit Antrieb über ein Reib­rad, dadurch gekennzeichnet, daß in der gehäuseartigen Verlängerung (24a, 25) des Einbaustückes (24) ein Gleitstück (26) radial geführt ist, das eine radiale Einbauöffnung (27) des Einbaustückes durchgreift und von dem der Hydromotor (29) nebst Antriebs-Stirnrad (28), Zwischen-Stirnrad (30) und das mit diesem gleich­achsigen Reibrad (32) getragen ist, und daß das Einbau­stück mit dem Reibrad unter Abstützung an einer äußeren stützwand (25) der gehäuseartigen Verlängerung nach­haltig gegen die Vertikalwalze (23) andrückbar ist (Fig. 5 bis 6).4. Device according to claim 2 with drive via a friction wheel, characterized in that in the housing-like extension (24a, 25) of the chock (24) a slide (26) is guided radially, which extends through a radial installation opening (27) of the chock and of which the hydraulic motor (29) together with drive spur gear (28), intermediate spur gear (30) and with this coaxial friction wheel (32) is carried, and that the chock with the friction wheel is supported on an outer support wall (25) housing-like extension can be permanently pressed against the vertical roller (23) (FIGS. 5 to 6). 5. Einrichtung zum Antrieb der Vertikalwalzen eines Universalwalzgerüstes in mindestens einer Drehrich­tung, wobei die Vertikalwalzen in Einbaustücken auf Tragachsen gelagert sind, dadurch gekennzeichnet, daß der Antrieb aus einem in die undreh­bare Tragachse (42) der Vertikalwalze (40) einge­setzten Hydromotor (43) besteht, dessen Antriebs­stirnrad (44) über drehbar gelagerte Zwischen­stirnräder (45,46), die mit einem innenverzahnten Antriebsring (47) versehene Vertikalwalze antreibt, wobei alle Verzahnungen in einer zwischen zwei Wälzlagern (54) verlaufenden Quer­ebene (Q) angeordnet sind (Fig. 7 und 8).5. Device for driving the vertical rollers of a universal rolling stand in at least one direction of rotation, the vertical rollers being mounted in chocks on supporting axes, characterized in that the drive consists of a hydraulic motor (43) inserted into the non-rotatable supporting axis (42) of the vertical roller (40) whose drive spur gear (44) Via rotatably mounted intermediate spur gears (45, 46), which drives a vertical roller provided with an internally toothed drive ring (47), all gears being arranged in a transverse plane (Q) running between two roller bearings (54) (FIGS. 7 and 8). 6. Einrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Tragachse (42) in eine undrehbare Stützhülse (50) zur Aufnahme der inneren Laufringe (54a) der beiden Wälzlager (54) eingesetzt ist, die gegen einen radialen Bund (53) der Stützhülse verspannt sind, der zur Aufnahme und Lagerung des zweiten Zwischen-Stirn­rades (46) radial ausgenommen (55) ist ( Fig. 8).6. Device according to claim 5, characterized in that the support shaft (42) is inserted into a non-rotatable support sleeve (50) for receiving the inner races (54a) of the two roller bearings (54), which against a radial collar (53) of the support sleeve are braced, which is radially recessed (55) for receiving and mounting the second intermediate spur gear (46) (Fig. 8). 7. Einrichtung nach Anspruch 1 oder 2 oder 5, dadurch ge­kennzeichnet, daß das Antriebsmoment des Antriebsmotors derart ausgelegt ist, daß die Vertikalwalze während des Walzens Verformungsarbeit leistet.7. Device according to claim 1 or 2 or 5, characterized in that the drive torque of the drive motor is designed such that the vertical roller performs deformation work during rolling.
EP87110954A 1986-08-14 1987-07-29 Vertical roll drive device for a universal rolling mill stand Expired - Lifetime EP0256372B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87110954T ATE78197T1 (en) 1986-08-14 1987-07-29 DEVICE FOR DRIVEING THE VERTICAL ROLLERS OF A UNIVERSAL ROLLER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863627630 DE3627630A1 (en) 1986-08-14 1986-08-14 DEVICE FOR DRIVING THE VERTICAL ROLLS OF A UNIVERSAL FRAME
DE3627630 1986-08-14

Publications (3)

Publication Number Publication Date
EP0256372A2 true EP0256372A2 (en) 1988-02-24
EP0256372A3 EP0256372A3 (en) 1990-02-07
EP0256372B1 EP0256372B1 (en) 1992-07-15

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ID=6307405

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Application Number Title Priority Date Filing Date
EP87110954A Expired - Lifetime EP0256372B1 (en) 1986-08-14 1987-07-29 Vertical roll drive device for a universal rolling mill stand

Country Status (13)

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US (1) US4864838A (en)
EP (1) EP0256372B1 (en)
JP (1) JP2571579B2 (en)
KR (1) KR900007954B1 (en)
CN (1) CN1008240B (en)
AT (1) ATE78197T1 (en)
BR (1) BR8704202A (en)
CA (1) CA1311376C (en)
DE (2) DE3627630A1 (en)
ES (1) ES2033749T3 (en)
SU (3) SU1604147A3 (en)
UA (2) UA6040A1 (en)
ZA (1) ZA874712B (en)

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EP0348777A2 (en) * 1988-06-30 1990-01-03 Sms Schloemann-Siemag Aktiengesellschaft Control of section rolling mill trains
RU2533177C1 (en) * 2013-05-06 2014-11-20 Открытое акционерное общество "Опытное Конструкторское Бюро Машиностроения имени И.И. Африкантова" (ОАО "ОКБМ Африкантова") Electric drive for vertical movement of control element

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JP2869935B2 (en) 1988-03-11 1999-03-10 カシオ計算機株式会社 Crosslinked polymer
DE69224725T2 (en) * 1991-11-29 1998-07-02 Kawasaki Steel Co Four-roll sizing mill for the production of round steel bars
US7596979B2 (en) * 2007-11-01 2009-10-06 Firth Rixson Ring mill apparatus and method
US8784286B2 (en) 2009-03-25 2014-07-22 Graa Innovations, Llc Power stride apparatus and method of training therefor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0348777A2 (en) * 1988-06-30 1990-01-03 Sms Schloemann-Siemag Aktiengesellschaft Control of section rolling mill trains
EP0348777A3 (en) * 1988-06-30 1990-12-27 Sms Schloemann-Siemag Aktiengesellschaft Control of section rolling mill trains
RU2533177C1 (en) * 2013-05-06 2014-11-20 Открытое акционерное общество "Опытное Конструкторское Бюро Машиностроения имени И.И. Африкантова" (ОАО "ОКБМ Африкантова") Electric drive for vertical movement of control element

Also Published As

Publication number Publication date
ATE78197T1 (en) 1992-08-15
CA1311376C (en) 1992-12-15
CN87105213A (en) 1988-03-23
ES2033749T3 (en) 1993-04-01
DE3780375D1 (en) 1992-08-20
JPS6349313A (en) 1988-03-02
UA6036A1 (en) 1994-12-29
KR900007954B1 (en) 1990-10-23
EP0256372A3 (en) 1990-02-07
BR8704202A (en) 1988-04-12
CN1008240B (en) 1990-06-06
KR880002587A (en) 1988-05-10
UA6040A1 (en) 1994-12-29
US4864838A (en) 1989-09-12
SU1641186A3 (en) 1991-04-07
SU1604147A3 (en) 1990-10-30
EP0256372B1 (en) 1992-07-15
SU1637658A3 (en) 1991-03-23
DE3627630A1 (en) 1988-02-18
JP2571579B2 (en) 1997-01-16
ZA874712B (en) 1988-01-07

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