EP1559181A1 - Entrainement direct destine a un cylindre - Google Patents

Entrainement direct destine a un cylindre

Info

Publication number
EP1559181A1
EP1559181A1 EP03779672A EP03779672A EP1559181A1 EP 1559181 A1 EP1559181 A1 EP 1559181A1 EP 03779672 A EP03779672 A EP 03779672A EP 03779672 A EP03779672 A EP 03779672A EP 1559181 A1 EP1559181 A1 EP 1559181A1
Authority
EP
European Patent Office
Prior art keywords
hollow shaft
drive
cylinder
direct drive
housing
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.)
Withdrawn
Application number
EP03779672A
Other languages
German (de)
English (en)
Inventor
Dieter Weber
Andreas Krause
Helmut Liepold
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP1559181A1 publication Critical patent/EP1559181A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/021—Construction of the cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/02—Mechanical driving arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/16—Details of driving
    • B65H2404/162—Details of driving containing, enclosing own driving means

Definitions

  • the invention relates to a direct drive for a cylinder with a hollow shaft, the direct drive having a drive housing, within which at least one rotor device and at least one stator device are arranged, the stator device being connected to the drive housing.
  • material webs which can preferably consist of paper or also of plastic, aluminum or similar materials, are moved or processed with the aid of cylinders.
  • cylinders are preferably designed as rotating rollers.
  • cylinders as are used, for example, in the paper industry are driven by a motor, the motor power being supplied to the cylinder by means of a gear, a clutch and a cardan shaft via a gearwheel mounted around a connecting piece.
  • This gear is usually part of a gearbox that drives the cylinder.
  • the invention has for its object to provide a device of the type described above, which avoids the disadvantages mentioned.
  • this object is achieved in that the rotor device of the direct drive is connected directly to the hollow shaft.
  • the hollow shaft is advantageously guided through the drive housing without bearing.
  • the hollow shaft can be preferably mounted in the drive housing.
  • the drive housing is advantageously connected to a frame element by means of a support element. In this way, additional space can be saved.
  • the drive housing is advantageously connected directly to the frame element.
  • This embodiment makes it possible, in particular, to arrange drives according to the invention and the cylinders driven by them, preferably stacked one above the other.
  • the rotor device at least partially surrounds the hollow shaft.
  • stator device directly to the drive housing.
  • the axis of the hollow shaft coincides with the axis of the cylinder.
  • the hollow shaft is advantageously designed in such a way that auxiliary and / or operating materials such as e.g. Oil or steam are supplied.
  • auxiliary and / or operating materials such as e.g. Oil or steam are supplied.
  • the hollow shaft is advantageously designed such that auxiliary and / or operating materials are removed from the cylinder through the interior of the hollow shaft.
  • the three last-mentioned embodiments of the invention are particularly advantageous when the driven cylinder is a drying drum, roller or press device.
  • the hollow shaft in such a way that the direct drive is cooled by means of the auxiliary and / or operating materials to be supplied to the cylinder.
  • the hollow shaft is advantageously designed such that the direct drive is preheated with the auxiliary and / or operating materials to be supplied to the cylinder. In this way, the direct drive can be brought to operating temperature quickly or inexpensively.
  • the direct drive advantageously has no bearing.
  • FIG. 1 shows a direct drive with support element
  • FIG. 2 shows a direct drive whose drive housing is directly connected to a frame element
  • FIG. 3 shows a drying cylinder with a direct drive
  • FIG. 4 shows an arrangement of cylinders with direct drive intended for the paper industry
  • FIG. 5 shows another one intended for the paper industry Arrangement of cylinders with direct drive.
  • FIG. 1 shows a direct drive 21 for a cylinder 1.
  • a hollow shaft 2 coincides at least partially with the cylinder axis.
  • the cylinder 1 is only shown in part in the drawing.
  • a bearing device 3 arranged on a frame element 4 serves for mounting of the cylinder 1 by means of the hollow shaft 2.
  • the hollow shaft 2 is firmly connected to the cylinder 1 and preferably fulfills three functions:
  • auxiliary and / or operating materials such as oil, water, steam or air can be supplied to the cylinder and / or the pressure in the cylinder can be regulated.
  • Operating fluids supplied can also be hydraulic oil or coolant. Steam is supplied, for example, when the driven cylinder is a drying cylinder for paper.
  • the hollow shaft 2 is preferably designed such that auxiliary and / or operating materials can be removed from the cylinder 1 through the interior of the hollow shaft 2.
  • the cylinder By supplying or removing auxiliary and / or operating materials through the hollow shaft 1, the cylinder can be selectively inflated or deflated.
  • the inflation or deflation can also be done specifically for one or more segments of the cylinder.
  • the housing 7 of the drive device 21 lies on a
  • the frame element 4 carries both the weight of the cylinder 1 and the weight of the drive device 21.
  • further components of the drive device 21 are the rotor device 9 and the stator device 11.
  • the stator device 11 is preferably connected directly to the drive housing 7. However, an indirect connection to the drive housing 7 is also possible.
  • the rotor device 9 is seated on the hollow shaft 2 and at least partially surrounds it.
  • the drive device 9 is preferably plugged onto the hollow shaft 2 in this way.
  • the rotor device 9 has rotor windings 10.
  • the stator device 11 has stator windings 12. There is an air gap 13 between the stator device 11 with the stator windings 12 and the rotor device 9 with the rotor windings 10.
  • Figure 2 shows a direct drive 21 according to the invention, which is attached directly to the machine frame 4.
  • the cylinder 1 with the hollow shaft 2 is mounted in the frame element 4 by means of the bearing devices 3.
  • the actual drive device 21 is limited by its housing 7.
  • the housing 7 is almost airtight, which is why the drive device works particularly wear-free and regardless of the fault.
  • the drive device 21 is preferably designed without additional bearing devices for the shaft 2. This means that lubricants can be largely avoided. Lubricants would run undesirably, especially at the operating temperatures common in the paper industry.
  • the frame element 4 can at least partially form a closure of the housing 7.
  • the drive housing 7 and the frame element 4 then enclose the rotor device 9 and the stator device 11.
  • Such a configuration of the drive device 21 is particularly temperature-resistant, which is particularly important in the paper industry, since otherwise motor surfaces have temperatures of around or above 100 ° C are exposed. Except- This protects the drive surface from high ambient air humidity.
  • the hollow shaft 2 is at least partially enclosed by the rotor device 9 with the rotor windings 10, the rotor device 9 preferably being connected directly to the hollow shaft 2.
  • the stator device 11 with the stator windings 12 is connected directly to the drive housing 7 and / or the frame element 4. While the rotor 9 is firmly connected to the hollow shaft 2, the stator 11 in connection with the housing 7 preferably slips over the rotor 9 and preferably the end of the hollow shaft 2, the housing 7 preferably being closed off by the frame element 4. Reducing sleeves, not shown in the drawing, are preferably used here.
  • Rotor 9 and stator 11 are separated by an air gap 13. The air gap 13 ensures that no undesired vibrations or oscillations are transmitted.
  • the auxiliary or fuel supply and / or removal 6 can be used, for example, direct drive of 21 currency ⁇ end of the operation to cool or to heat.
  • the direct drive 21 is heated and reaches its operating temperature more quickly.
  • the auxiliary or Fuel supply and / or removal can thus be used to preheat the direct drive 21.
  • FIG. 3 shows a drying cylinder 1 with a hollow shaft motor 21 in the form of a direct drive.
  • the hollow shaft 2 of the cylinder 1 is supported by means of shaft bearings 15.
  • the direct drive 21 is optionally fastened to a substructure element 20 with the aid of fastening elements.
  • Auxiliary or operating material supply and / or removal 6 into the drying cylinder 1 is made possible via the hollow shaft 2.
  • the drive device 21 has a housing 7, which is preferably designed with seals 16. As in the exemplary embodiments shown in FIGS. 1 and 2, a rotor device 9 with the rotor windings 10 and a stator device 11 with the stator windings 12 are arranged within the housing 7.
  • the cooling of the drive device 21 is also possible by means of operating materials which are passed through the hollow shaft 2.
  • at least one coolant line 17 and one coolant line 18 are optionally additionally provided in the drive device 21.
  • the air gap 13 largely prevents the transmission of undesired vibrations or oscillations between the rotor 9 and the stator 11. It is conceivable to introduce substances into the gap 13 which prevent or further reduce the transmission of undesired vibrations or oscillations.
  • FIGS. 4 and 5 show an arrangement of cylinders 1 and 1a to 1d for use in the paper industry.
  • a paper web 22 is moved between the cylinders 1a to 1d.
  • the cylinders are stacked one above the other and, as described for example in FIGS. 1 to 3, are connected to drive devices 21 or 21a to 21d.
  • the cylinders 1a to 1d or the drive devices 21a to 21d are preferably held by a common machine frame 4.
  • a direct drive 21 for a cylinder 1 by means of a hollow shaft 2 has proven to be particularly advantageous if a plurality of drives 21 or 21a to 21d and cylinders 1 or la to ld one above the other or otherwise close to one another, for example 4 and 5 can be arranged shown. Such an arrangement is advantageously carried out with the help of one or more frame elements 4.
  • the rotor 9 is fixedly connected to the hollow shaft 2
  • the stator 11 is fixedly connected to the drive housing 7 or the machine frame 4 and the two devices 9 and 11 are arranged unconnected within the drive device 21 by a gap 13, there is no undesired transmission of vibrations or oscillations in the drive device 21.
  • the drive according to the invention is particularly space-saving in comparison to previously existing hollow shaft gearboxes and, in particular due to its shortened design, requires considerably less maintenance, since, for example, wear-prone gear wheels can be dispensed with and mechanical losses are considerably reduced.
  • the design of the drive 21 according to the invention also enables a particularly ADVANTAGES l exemplary supply of materials and supplies to the cylinder or the roller. 1

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un entraînement direct (21) destiné à un cylindre (1) comportant un arbre creux (2). Ledit entraînement direct (21) comporte un boîtier d'entraînement (7) dans lequel sont logés au moins un système rotor (9) et au moins un système stator (11). Le système stator (11) est relié au boîtier d'entraînement (7), des agents auxiliaires et/ou de fonctionnement tels que de l'huile sont acheminés vers le cylindre (1) au travers de l'arbre creux (2), un agent de refroidissement ou de la vapeur est acheminé, l'arbre creux (2) traverse le boîtier d'entraînement (7) de préférence sans palier, et le système rotor (9) est relié directement à l'arbre creux (2). L'entraînement (21) selon l'invention, destiné à un cylindre rotatif (1), est compact et ne nécessite aucun entretien, est particulièrement destiné à l'industrie du papier, s'affranchit de transmission et d'embrayages, et présente une alimentation ou évacuation directe d'agents auxiliaires ou de fonctionnement. Le système rotor (9) entoure au moins partiellement l'arbre creux (2).
EP03779672A 2002-11-08 2003-10-27 Entrainement direct destine a un cylindre Withdrawn EP1559181A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10252110 2002-11-08
DE10252110A DE10252110A1 (de) 2002-11-08 2002-11-08 Direktantrieb für einen Zylinder
PCT/DE2003/003565 WO2004042897A1 (fr) 2002-11-08 2003-10-27 Entrainement direct destine a un cylindre

Publications (1)

Publication Number Publication Date
EP1559181A1 true EP1559181A1 (fr) 2005-08-03

Family

ID=32185385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03779672A Withdrawn EP1559181A1 (fr) 2002-11-08 2003-10-27 Entrainement direct destine a un cylindre

Country Status (5)

Country Link
US (1) US20050248225A1 (fr)
EP (1) EP1559181A1 (fr)
AU (1) AU2003287852A1 (fr)
DE (1) DE10252110A1 (fr)
WO (1) WO2004042897A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005037646A1 (de) 2005-08-05 2007-02-15 Voith Patent Gmbh Vorrichtung zur Herstellung und/oder Behandlung einer Materialbahn
DE102006011632A1 (de) * 2006-03-14 2007-09-20 Voith Patent Gmbh Antriebsbaugruppe zum Antreiben einer Walze
FI119561B (fi) * 2006-11-23 2008-12-31 Moventas Oy Järjestely pyörivässä kappaleessa rainanmuodostuskoneella, menetelmä pyörivän kappaleen käyttämiseksi ja virtauskanava järjestelmää ja menetelmää varten
EP2061137A1 (fr) * 2007-11-19 2009-05-20 Siemens Aktiengesellschaft Dispositif de raccordement de machine d'un moteur à disque
FI122849B (fi) * 2009-11-10 2012-07-31 Metso Paper Inc Telakäyttö, tela ja menetelmä
AT509053B1 (de) * 2010-05-06 2011-06-15 Andritz Ag Maschf Yankeezylinder zum trocknen einer faserstoffbahn
FI122613B (fi) * 2010-07-06 2012-04-13 Metso Paper Inc Akselijatko, kuiturainan käsittelyelin ja menetelmä
EP2940207A1 (fr) * 2014-04-28 2015-11-04 Siemens Aktiengesellschaft Dispositif destiné à la préparation de substances

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8703410U1 (de) * 1987-03-06 1987-05-21 J.M. Voith Gmbh, 7920 Heidenheim Trockenzylinder od.dgl. einer Papier-, Karton- oder Streichmaschine
DE4110643A1 (de) * 1991-04-02 1992-10-08 Krupp Polysius Ag Walzenmuehle
DE29908433U1 (de) * 1999-05-11 1999-07-29 Voith Sulzer Papiertechnik Patent GmbH, 89522 Heidenheim Walze

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004042897A1 *

Also Published As

Publication number Publication date
US20050248225A1 (en) 2005-11-10
AU2003287852A1 (en) 2004-06-07
WO2004042897A1 (fr) 2004-05-21
DE10252110A1 (de) 2004-05-27

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