EP2681360A2 - Ensemble de cylindres à entraînement direct électromoteur et procédé de montage - Google Patents

Ensemble de cylindres à entraînement direct électromoteur et procédé de montage

Info

Publication number
EP2681360A2
EP2681360A2 EP12701751.5A EP12701751A EP2681360A2 EP 2681360 A2 EP2681360 A2 EP 2681360A2 EP 12701751 A EP12701751 A EP 12701751A EP 2681360 A2 EP2681360 A2 EP 2681360A2
Authority
EP
European Patent Office
Prior art keywords
roller
stator
axis
bearing
rotation
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
EP12701751.5A
Other languages
German (de)
English (en)
Other versions
EP2681360B1 (fr
Inventor
Klaus Kubik
Andre Hünnekens
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.)
Andritz Kuesters GmbH
Original Assignee
Andritz Kuesters GmbH
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 Andritz Kuesters GmbH filed Critical Andritz Kuesters GmbH
Publication of EP2681360A2 publication Critical patent/EP2681360A2/fr
Application granted granted Critical
Publication of EP2681360B1 publication Critical patent/EP2681360B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/0006—Driving arrangements
    • 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
    • B21B35/06—Drives for metal-rolling mills, e.g. hydraulic drives for non-continuously-operating mills or for single stands
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/0006—Driving arrangements
    • D21G1/0013—Driving arrangements for controlled deflection rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0226—Bearings

Definitions

  • the invention relates to a roller assembly comprising a roller comprising an axle or shaft mounted on a bearing, with a roller body forming the working circumference of the roller, which is rotatable about an axis of rotation, and with an electromotive direct drive whose rotor and its stator are in Rich - Are arranged rotation of the axis between the bearing point and the roller body, and a mounting method for such a roller.
  • Such a roller arrangement is known from DE 103 39 733 A1.
  • the rotor of the electromotive direct drive is firmly connected to a roll neck which is offset from the working circumference of the roller.
  • the rotor of the annular gap leaving a stator of the electromotive direct drive is provided in a motor housing, which is supported by means of its own housing bearing on the axis of rotation of this roller defining shaft.
  • a torque support connected to a machine frame is provided, which is designed to avoid mechanical over-determination as an elastic element.
  • the installation of such a roller assembly is quite significant problems.
  • the rotor comprises an arrangement of strong permanent magnets. Because of this act strong magnetic radial forces between the stator and the rotor when joining, trying to bring the stator and rotor into abutment. However, this is to be avoided at all costs, as stators and rotors touching one another due to the attractive forces can be damaged or destroyed here. In addition, stators and rotors once brought into abutment can no longer be manually separated due to the high attraction forces.
  • the invention is therefore based on the object to provide a respect to these disadvantages improved roller assembly and an improved assembly method. This object is achieved by the reproduced in claim 1 roller assembly and by the reproduced in claim 10 method.
  • stator of the electromotive direct drive which is also referred to as "torque motor”
  • stator motor is divided into stator segments in at least one plane parallel or inclined to the axis of rotation
  • Stator is divided into the stator segments, not necessarily have to be parallel to the axis of rotation, but may also be aligned differently, provided that a division takes place in the sense of separation of the otherwise closed stator ring.
  • the roller in the roller arrangement according to the invention for setting up the bearing, the roller can be completely installed and stored in a bearing device before it comes to a joining operation of the rotor connected to the roller body and the stator.
  • bearing device is understood to mean a device of the roller arrangement which rotates the roller body relative to the roller axis
  • the bearing device then comprises, for example, a bearing bell resting on the axle which receives a pivot bearing supporting an extension of the roller body forming the working circumference of the roller ,
  • bearing device means a device with which the axis or shaft of the roller is mounted.
  • the bearing device is a device with which the shaft of the roller is mounted.
  • stator elements can be swiveled away from the rotor as far as possible during the erection of the roll support, or, if necessary, there can be no magnetic forces negatively influencing the setup process of the roller bearing between the rotor and the stator segments. Only when the device for mounting the roller has been completed can the stator segments be pivoted in a controlled manner about the hinge axes in order to be locked in their position leaving the desired annular gap to the rotor.
  • stator segments In principle, it is also conceivable to take the hinge-joint bearing of the stator segments on an external component separate from the roller arrangement. However, in order to reduce positioning uncertainties and the number of components required, it is preferable to support the stator segments on the bearing device.
  • the hinge axes are arranged such that the weight acts in the direction of moving toward one another from the first, hinge-hinged ends pointing, second ends of two adjacent stator segments.
  • the stator two stator segments whose first ends are in the mounting position of the roller assembly approximately perpendicular above the axis of rotation, so only one hoist is required to open or close the stator, by means of which the stator raised under pivoting about the hinge axes or lowered.
  • a part of a hinge arrangement defining a hinge axis is then preferably provided. These parts may be tabs with a bore, which are then articulated pivotably about a common axis on the bearing device.
  • hinge axes are particularly preferably formed by hinge pins, which interact in each case with the bearing device and with one of the stator segments.
  • stator segments on means for applying a hoist by means of which the stator between the open and closed to the annular stator position about the hinge axes are pivotable.
  • These means may be fixedly arranged with the stator segments of the distance from the respective associated hinge axis eyes, in which, for example, hoisting ropes of a ceiling crane can be hung.
  • the roller assembly according to the invention may comprise any desired roller for processing a material web.
  • inventive design of a roller arrangement is particularly preferred in a hydraulically supported inside, in particular deflection-controlled roller, wherein the bearing of the roll shell within a bearing bell surrounding the roll axis he follows. The stator segments can then be hinged directly to this bearing bell.
  • Figure 1 shows the end provided with an electric direct drive end of a roller assembly according to the invention with assembled direct drive in a side view.
  • FIG. 2 shows the assembly step of the hinged attachment of a stator segment after the storage of the roller in a view corresponding to FIG. 1;
  • FIG. FIG. 3 shows the illustration according to FIG. 2 in a view according to FIG. 2 from the right;
  • FIG. 2 shows the assembly step of the hinged attachment of a stator segment after the storage of the roller in a view corresponding to FIG. 1;
  • FIG. 3 shows the illustration according to FIG. 2 in a view according to FIG. 2 from the right;
  • FIG. 5 is a Fig. 4 corresponding representation of another embodiment of a roller assembly according to the invention.
  • Fig. 6 is a Fig. 4 or 5 corresponding representation of another embodiment of a roller assembly according to the invention.
  • the roll arrangement designated as 100 in the drawing as a whole comprises a roll 1 which, in the exemplary embodiments illustrated in FIGS. 1 to 5, is designed as a roll supported radially on the inside.
  • These rollers each comprise an axle 2, which is rotatably mounted on a pendulum bearing 3 at least on the drive side shown in the drawings.
  • the self-aligning bearing in each case forms a bearing point T for the axis 2.
  • the roller V is formed as a conventional roller.
  • Their roller body 5 ' is non-rotatably connected to a shaft 6. which, on the drive side is mounted via a pivot bearing 7 in the bearing device 4 '.
  • the pivot bearing 7 forms the bearing T.
  • the roller body 5 comprises a hollow cylinder 8, which rotatably surrounds the axle 2, leaving an annular gap 9.
  • a hollow-cylindrical projection 10 of smaller outside diameter is mounted non-rotatably on the hollow cylinder 8.
  • a pivot bearing 1 1 which is externally received by a bearing bell 12 which m it the axis 2 with the help of the spherical bearing 3 stored and also rotatably ,
  • the bearing bell 12 and the pivot bearing 1 1 form a storage device. 4
  • An electromotive direct drive 50 also referred to as a "torque motor” is provided in the direction of the axis of rotation D of the roller arrangement between the rotary bearing 11 and the roller body 5 forming the working circumference of the roller, comprising a rotor 13 arranged in a rotationally fixed manner on the outer circumference of the extension 10 Radially, the rotor 13 is surrounded by an annular gap 14 surrounded by a stator 15, which has a coil arrangement.
  • the bearing bell 12 is missing for pivotal mounting on the axis 2
  • a pivot bearing 16 is provided, via which the hollow cylinder 8 is supported directly on the axis 2.
  • the axle 2 is in turn supported by a pendulum bearing 3 in a bearing device 4 ".
  • the rotor 13 of the electromotive direct drive 50 is rotatably mounted on the shaft 6 of the roller V, in the direction of the axis of rotation D between the pivot bearing 7 and the roller body 5 '.
  • stator segments 17 thus obtained, of which only one is shown in FIGS. 1 to 3 for reasons of clarity, each comprise, in a first end region 23, a hinge part 18 which is mounted on a hinge pin
  • the hinge pin 1 9 of a hinge assembly 24 thus formed defines a hinge axis S about which the stator segment 1 7 between a closed, the stator annularly joining position in which the plane E is approximately vertical (s. 1), and an open mounting position in which the plane E is approximately horizontal, can be pivoted, in which position both are n second ends 22 of the stator segments 17 spaced from each other.
  • a separate hinge pin 1 9 is provided for each stator segment 17, a separate hinge pin 1 9 is provided. It is provided in the mounting position of the roller assembly almost perpendicularly above the axis of rotation D, so that the stator segments 17 are pivoted solely by the weight of their mounting position to its closed position, as illustrated by the arrows P in Fig. 3. For pivoting the stator segments 17 between the closed operating position and the open mounting position then only a simple hoist is necessary, which may be formed for example by the cable 20 of a crane, not shown in the drawing.
  • an eye 21 is provided approximately in the 90 ° position of the stator segment.
  • the hinge pins 19 are fixedly connected to the bearing bell 12 in the embodiment shown in Fig. 1 to 4. Since these are missing in the other two exemplary embodiments illustrated in FIGS. 5 and 6, the hinge pins are preferably attached directly to the bearing devices 4 ', 4 ".
  • roller assembly with an electromotive direct drive 50 with a rotor 13 and a stator 15 comprising a roller assembly 100 comprising a roller 1, 1 'rotatable about a rotation axis D can be carried out in the following manner:
  • the rotor 13 is attached to a about the axis of rotation of the roller 1, 1 'rotatable part of the roller assembly.
  • the bearing of the axle 2 of the roller in a bearing device 4 " in an externally mounted roller, the bearing of the roller body 5 in a bearing device 4 on an axis or in a conventional roller, the bearing of the shaft 6 in a bearing device 4th ' set up.
  • stator segments 17, 17 ' are mounted, which are provided for mounting by means of a hoist 20 and hingedly connected indirectly via the bearing bell 12 or directly to the bearing device 4, 4', 4 "and by operating the hoist 20 into the rotor 13 surrounding and an annular gap 40 are moved to this left-over position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rolling Contact Bearings (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un ensemble de cylindres (100) doté d'un cylindre (1, 1 ') comprenant un essieu (2) ou un arbre (6) monté sur un point d'appui (T), d'un corps de cylindre (5, 5') formant la circonférence de travail du cylindre (1, 1 ') et pouvant tourner autour d'un axe de rotation (D), et d'un entraînement direct électromoteur (50) dont le rotor (13) et dont le stator (15) sont disposés en direction de l'axe de rotation (D) entre le point d'appui (T) et le corps de cylindre (5, 5'). Le stator (15) est divisé en segments (17) dans au moins un plan (E) parallèle à l'axe de rotation (D) ou oblique, et les segments de stator (17) sont montés de manière à pouvoir pivoter par respectivement une première extrémité et des axes de charnière (S) s'étendant sensiblement de manière parallèle par rapport à l'axe de rotation (D).
EP12701751.5A 2011-03-03 2012-01-30 Ensemble de cylindres a entrainement direct electromoteur et procede de montage Active EP2681360B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011001047A DE102011001047A1 (de) 2011-03-03 2011-03-03 Walzenanordnung mit elektromotorischem Direktantrieb und Montageverfahren
PCT/EP2012/051437 WO2012116865A2 (fr) 2011-03-03 2012-01-30 Ensemble de cylindres à entraînement direct électromoteur et procédé de montage

Publications (2)

Publication Number Publication Date
EP2681360A2 true EP2681360A2 (fr) 2014-01-08
EP2681360B1 EP2681360B1 (fr) 2014-11-05

Family

ID=45558071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12701751.5A Active EP2681360B1 (fr) 2011-03-03 2012-01-30 Ensemble de cylindres a entrainement direct electromoteur et procede de montage

Country Status (4)

Country Link
EP (1) EP2681360B1 (fr)
CN (1) CN103354853B (fr)
DE (1) DE102011001047A1 (fr)
WO (1) WO2012116865A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20156031A1 (it) 2015-11-30 2017-05-30 Omas Srl Laminatoio con motori a trascinamento diretto migliorato e metodo di funzionamento del laminatoio

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702202B1 (fr) * 1993-03-05 1995-04-14 Vesuvius France Sa Rouleau monté tournant sur des paliers par une articulation à rotule.
DE29908433U1 (de) * 1999-05-11 1999-07-29 Voith Sulzer Papiertechnik Patent GmbH, 89522 Heidenheim Walze
FI120104B (fi) * 2000-05-05 2009-06-30 Abb Research Ltd Telakäyttö
AU2003229565A1 (en) * 2002-03-24 2003-10-08 Vomag Gmbh Device for supporting a shaft
KR100839354B1 (ko) * 2002-10-28 2008-06-19 도쿄파츠고교 가부시키가이샤 축방향 공극형 브러시리스 모터
DE10319105A1 (de) * 2003-04-28 2004-11-18 Voith Paper Patent Gmbh Drehteil mit Drehantrieb
DE10319012A1 (de) * 2003-04-28 2004-11-18 Voith Paper Patent Gmbh Drehteil mit Hohlwellenmotor und konzentrisch dazu angeordneter Drehlagerung
DE10324664A1 (de) * 2003-05-30 2004-12-30 Siemens Ag Rollen und Rollenmotoren
DE10339733A1 (de) 2003-08-28 2004-11-25 Siemens Ag Antrieb zum rotatorischen Betrieb einer Walze
FI122849B (fi) * 2009-11-10 2012-07-31 Metso Paper Inc Telakäyttö, tela ja menetelmä
DE102009059288B4 (de) * 2009-12-23 2012-05-31 Andritz Küsters Gmbh Durchbiegesteuerbare Walze und Verfahren zum Antrieb derselben

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012116865A2 *

Also Published As

Publication number Publication date
DE102011001047A1 (de) 2012-09-06
WO2012116865A2 (fr) 2012-09-07
EP2681360B1 (fr) 2014-11-05
CN103354853A (zh) 2013-10-16
CN103354853B (zh) 2015-06-24
WO2012116865A3 (fr) 2013-01-03

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