EP0924338A2 - Unité d' entraínement avec support de couple mobil pour rouleaux - Google Patents

Unité d' entraínement avec support de couple mobil pour rouleaux Download PDF

Info

Publication number
EP0924338A2
EP0924338A2 EP98124365A EP98124365A EP0924338A2 EP 0924338 A2 EP0924338 A2 EP 0924338A2 EP 98124365 A EP98124365 A EP 98124365A EP 98124365 A EP98124365 A EP 98124365A EP 0924338 A2 EP0924338 A2 EP 0924338A2
Authority
EP
European Patent Office
Prior art keywords
torque support
groove
gear
torque arm
drive unit
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
EP98124365A
Other languages
German (de)
English (en)
Other versions
EP0924338B1 (fr
EP0924338A3 (fr
Inventor
Heinz Dipl.-Ing. Hesterwerth
Walter Ribbers
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.)
AS Antriebstechnik und Service GmbH
Original Assignee
AS Antriebstechnik und Service 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 AS Antriebstechnik und Service GmbH filed Critical AS Antriebstechnik und Service GmbH
Publication of EP0924338A2 publication Critical patent/EP0924338A2/fr
Publication of EP0924338A3 publication Critical patent/EP0924338A3/fr
Application granted granted Critical
Publication of EP0924338B1 publication Critical patent/EP0924338B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a drive unit according to the preamble of claim 1.
  • Such drive units are from EP 0 280 897 A2 or known from DE 40 19 363 C1.
  • EP 0 280 897 A2 relates to a roller mill for comminution of brittle goods such as cement clinker.
  • the DE 40 19 363 C1 relates to a roller drive for presses.
  • the torques that occur largely increase due to the opposite direction of rotation of the two rollers and their mutual support. Just a residual moment must be introduced into the machine frame.
  • the good processed by the simultaneous action of both rollers is, namely crushed or pressed, is in each case one roller as a fixed bearing and the other roller as Floating bearing roller trained.
  • the torque arm enables in both cases a change in the radial distance between the two rollers.
  • parallel rollers for guiding goods are known, for example from printing plants or from the paper industry and from the areas of wallpaper production, from weaving mills and in general from the textile industry, in which the goods between the rollers are not processed .
  • processing means that two adjacent rolls are spaced apart from one another and the material is not treated by the simultaneous action of both rolls, that is to say it is not, for example, printed, embossed or shredded, and that it only rests against one of these two adjacent rolls.
  • the initially dewatered paper web is guided in a meandering manner around a large number of rollers, these rollers being heated to dry the paper web. Due to the distance between the adjacent rollers, these are not designed as a combination of fixed and floating bearing rollers, but rather both as fixed bearing rollers. In these cases neighboring rollers often have the same direction of rotation.
  • Roller systems for guiding the goods can have lengths of 60 up to 70 m, with foundation subsidence over this length are often inevitable, so because of this or other influences on a roller over the course of its operating life if necessary move by several 1/10 mm, for example lower can.
  • the torque arm as a rigid support for the Gearbox or as a rigid connection between the transmits two gear housings of two adjacent rollers then such high forces on the gear housing that the load on individual gears of the gearbox concerned increases significantly and premature wear at least the Transmission can be the result.
  • the invention has for its object a generic Drive unit to improve in that this is more reliable Torque support for the longest possible service life the gearbox enables.
  • the invention proposes not only that Parallel displacement of the roller transversely to its longitudinal axis enable, but also a rolling movement in the direction from the roll longitudinal axis and tilting movements of the roll.
  • the mobility must be provided for in the design in the longitudinal axis of the roll and a tilting movement the roller is not designed for normal operation, but enables movements to be balanced, for example in the foundation, which occur unscheduled and for example only a few years after the commissioning of the Rolls occur. Due to the free mobility according to the invention the rollers will therefore overstress the Gearbox avoided, so that its particularly long life can be ensured. Unplanned and unwanted Mobility of the roller due to, for example, lowering of the foundation otherwise can lead to tension lead between roller and gear unit leading to premature Wear and a shortened service life of the gear unit being able to lead.
  • a tongue and groove connection between the Gearbox and the torque arm enables one problem-free longitudinal movement between gearbox and Torque support, this mobility through the screw is favored between the components in which the screws are guided in elongated holes.
  • the order a tongue and groove connection in the transition area between Torque support and gearbox enables on the other hand a kinking or bending movement of the gear housing opposite the torque arm, so that the gearbox always connected to the roller in its intended arrangement can remain and possible longitudinal displacements of the roller or tilting movements of the roller by a corresponding one Kinking movement between the torque arm and the gearbox can be compensated.
  • the tongue and groove connection can be created be that both in the gearbox and in the Torque support each a groove is provided, the assigned tongue extends in both grooves. To this Way, a reliable bond between the torque arm and the gearbox reached and at the same time easy movement in the longitudinal direction of the grooves between these two components.
  • the depth of the total can be advantageous in the tongue and groove connection trained groove be greater than the strength or depth the spring, so that when the spring is arranged in the groove, a Free space remains in the groove.
  • the manufacturing costs for a tongue and groove connection can in this way because of the more generous Tolerances are kept low.
  • a profile can advantageously be provided in the groove, which as a kind Adapter "functions and in turn forms a groove in which the tongue is then received.
  • the connection can be exchanged quickly and at low cost in this way without having to replace the entire torque support or the associated gear housing should be.
  • the articulation between gearbox and Torque support can advantageously be ensured by that when screwing the screws over a certain Section of their length by a spring or a similar compressible material are surrounded, this resilient Spacer is only partially compressed and so that there is a certain preload for the screw connection.
  • the addition to the compression of the spacer available way allows under additional compression of the spacer the torque arm compared to Lift off gearbox and consequently bend it or bend so that the desired mobility between Roller and gear housing on the one hand and the torque arm on the other hand, wear-free and gentle on materials Type is given.
  • due to the spring elasticity ensured that when the roller and thus the Gearbox in the original position, the torque arm can still work effectively without an inadmissible To have game.
  • the spring elasticity of the connection between the torque arm and gear housing can be supported in that the torque arm for the longitudinal mobility of the axis or designed for their tilting mobility more deformable is than in other directions.
  • the Torque support designed with an elongated cross section be, for example, plate-shaped, and elongated with this Cross-section arranged transversely to the longitudinal axis of the roll, so that the torque arm during longitudinal or tilting movements due to bending or torsion the mobility of the roller not impermissibly restricted.
  • a torque arm according to the invention can not only a single roller, but it can in particular be inexpensively provided, two parallel to each other arranged rollers by such a torque arm connect with each other. Forces occurring are therefore not directly introduced into the machine frame, but first picked up on another roller and effective if necessary Then residual forces or moments in the machine frame initiated.
  • the tongue of the tongue and groove connection can advantageously be slightly crowned be contoured so that it requires little effort and can be moved out of the assigned groove without jamming can and then just as little resistance back into the Groove can slide back when the Torque angled in relation to the gearbox becomes.
  • Fig. 1, 1 is a device for papermaking only shown in sections and hints.
  • the Device 1 has a plurality of rollers 2, which in its Inside are steam heated and around the meandering drying paper web is guided.
  • One is purely schematic Drive shaft 3 indicated that on a front of one Roller 2 arranged gear 4 acts.
  • This gear 4 meshes with adjacent gears 4 of adjacent rollers 2, the gears 4 are each offset so that none from the different directions of rotation of the rollers 2 resulting disabilities occur.
  • rollers 2 are basically identical to the other rollers 2 are formed, which, however, do not have such gear wheels 4 how the other rollers 2 are driven, but by each with its own gear unit 5.
  • the two gear units 5 are interconnected by a torque arm 6.
  • the arrangement of the gear units 5 is clear from FIG. 2 can be seen:
  • the gear units 5 are instead of the otherwise used large gears 4 on the axes of the rollers 2 set and allow the drive of the rollers 2 with Speeds that may damage the would lead large gears 4 and the one accordingly higher production output of the entire device 1 enable.
  • Fig. 3 shows a view of the back of a gear unit 5:
  • the gear unit 5 has a gear housing 7 the back of which the torque arm 6 with four connecting screws 8 is screwed.
  • the connecting screws 8 are guided through slots 9, which are in the longitudinal direction the torque arm 6 extend.
  • Fig. 5 shows a cross section through such a screw.
  • the connecting screw 8 extends through a sleeve 10 which has a circumferential collar 11 directed towards the screw head and abuts the gear housing 7 with its opposite end.
  • the length of the sleeve 10 is greater than the thickness of the torque arm 6, so that there is a gap between the surface of the torque arm 6 and the collar 11.
  • a plurality of disc springs 12 are arranged, which are supported on the one hand on the collar 11 and on the other hand rest against a washer 14.
  • the plate springs 12 form an overall compression spring against the effect of which the torque arm 6 of the gear housing 7 can be lifted off, so that a corresponding Tilting movement of the torque arm 6 relative to the gear housing 7 is possible.
  • This tilting movement is in the plane possible in which the two axes of the rollers 2 run, so that axial displacements of the two rollers relative to each other without any tension caused by the corresponding Tilt mobility of the torque arm 6 are absorbed can.
  • FIG. 4 shows the gear housing 7 recognizable with a recess 16, which is about the recess 16 forks the torque arm 6.
  • the grooves 17 in the torque arm 6 immediately serve to accommodate a spring 19, which on several Set is held by retaining screws 20.
  • the depth of the groove 23 is greater than the dimensions require the spring 19 so that a space 24 at the bottom of the Groove 23 is created. This free space 24 supports the possibilities of movement the torque arm 6 compared to that Gear housing 7 and simplifies the manufacture of the torque arm or the tongue and groove connection 15, since their Depth does not require exact dimensional accuracy.
  • the tongue and groove connection 15 allows the movement of the one hand Torque support 6 in its longitudinal direction with respect to the gear housing 7 and also secures at opposite the gear housing 7 tilted torque arm 6 a Power transmission from the transmission housing 7 to the torque arm 6.
  • Deviating from the illustrated embodiment other types may be provided, the torque arm 6 to the Have the gear housing 7 connected.
  • the illustrated embodiment enables the Mobility with minimal structural dimensions, so that compared to the space required for the actual torque arm 6 no additional installation space in the area of the gear units 5 are needed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
EP98124365A 1997-12-22 1998-12-22 Unité d' entraínement avec support de couple mobil pour rouleaux Expired - Lifetime EP0924338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19757201 1997-12-22
DE19757201A DE19757201A1 (de) 1997-12-22 1997-12-22 Antriebseinheit für Walzen, mit teilbeweglicher Drehmomentstütze

Publications (3)

Publication Number Publication Date
EP0924338A2 true EP0924338A2 (fr) 1999-06-23
EP0924338A3 EP0924338A3 (fr) 2000-05-03
EP0924338B1 EP0924338B1 (fr) 2004-08-11

Family

ID=7852969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98124365A Expired - Lifetime EP0924338B1 (fr) 1997-12-22 1998-12-22 Unité d' entraínement avec support de couple mobil pour rouleaux

Country Status (2)

Country Link
EP (1) EP0924338B1 (fr)
DE (2) DE19757201A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1382755A1 (fr) * 2002-07-19 2004-01-21 Fiat Kobelco Construction Machinery S.p.A. Dispositif pour relier deux membres mécaniques
WO2010115676A1 (fr) 2009-04-06 2010-10-14 As Antriebstechnik & Service Gmbh Bras de réaction
CN102705488A (zh) * 2012-06-19 2012-10-03 无锡市百顺机械厂 齿轮箱
AT515087B1 (de) * 2013-12-16 2015-06-15 Bernecker & Rainer Ind Elektronik Gmbh Drehmomentstütze

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280897A2 (fr) * 1987-03-05 1988-09-07 Krupp Polysius Ag Broyeur à cylindres
DE4019363C1 (en) * 1990-06-18 1991-08-14 A. Friedr. Flender Ag, 4290 Bocholt, De Roller drive for press - has torque supports connected directly on defined load lines
DE19521205A1 (de) * 1995-06-13 1996-12-19 Santasalo Gmbh Walzenpaar einer Walzenpresse
DE19822341A1 (de) * 1998-05-19 1999-11-25 Eickhoff Geb Antriebsvorrichtung für zwei gegenläufig angetriebene Walzen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280897A2 (fr) * 1987-03-05 1988-09-07 Krupp Polysius Ag Broyeur à cylindres
DE4019363C1 (en) * 1990-06-18 1991-08-14 A. Friedr. Flender Ag, 4290 Bocholt, De Roller drive for press - has torque supports connected directly on defined load lines
DE19521205A1 (de) * 1995-06-13 1996-12-19 Santasalo Gmbh Walzenpaar einer Walzenpresse
DE19822341A1 (de) * 1998-05-19 1999-11-25 Eickhoff Geb Antriebsvorrichtung für zwei gegenläufig angetriebene Walzen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1382755A1 (fr) * 2002-07-19 2004-01-21 Fiat Kobelco Construction Machinery S.p.A. Dispositif pour relier deux membres mécaniques
WO2010115676A1 (fr) 2009-04-06 2010-10-14 As Antriebstechnik & Service Gmbh Bras de réaction
CN102705488A (zh) * 2012-06-19 2012-10-03 无锡市百顺机械厂 齿轮箱
AT515087B1 (de) * 2013-12-16 2015-06-15 Bernecker & Rainer Ind Elektronik Gmbh Drehmomentstütze
AT515087A4 (de) * 2013-12-16 2015-06-15 Bernecker & Rainer Ind Elektronik Gmbh Drehmomentstütze
EP2887506A3 (fr) * 2013-12-16 2016-05-18 Bernecker+Rainer Industrie-Elektronik Gesellschaft MbH Support de couple
US10128719B2 (en) 2013-12-16 2018-11-13 B&R Industrial Automation GmbH Torque support

Also Published As

Publication number Publication date
DE59811790D1 (de) 2004-09-16
EP0924338B1 (fr) 2004-08-11
DE19757201A1 (de) 1999-07-01
EP0924338A3 (fr) 2000-05-03

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