EP2359935B1 - Drive side component assembly of a mill drive system and mill drive system - Google Patents

Drive side component assembly of a mill drive system and mill drive system Download PDF

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Publication number
EP2359935B1
EP2359935B1 EP11153234.7A EP11153234A EP2359935B1 EP 2359935 B1 EP2359935 B1 EP 2359935B1 EP 11153234 A EP11153234 A EP 11153234A EP 2359935 B1 EP2359935 B1 EP 2359935B1
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EP
European Patent Office
Prior art keywords
plain bearing
annular
bearing segments
drive system
axial
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EP11153234.7A
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German (de)
French (fr)
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EP2359935A1 (en
Inventor
Dirk Schroer
Bernhard Hoffmann
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Flender GmbH
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Siemens AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/006—Ring or disc drive gear arrangement

Definitions

  • the invention relates to a driven-side assembly of a mill drive system and a mill drive system comprising such a driven-side assembly.
  • Known mill drive systems often comprise a large sprocket, which is arranged in spatial proximity to the processing process.
  • the sprocket often forms a drive train together with other gear stages and one or more electric motors.
  • the other gear stages are arranged in a separate gear housing, which is to be aligned exactly on a common foundation.
  • a drive device for a ring gear of a rotary tube is described, the drive power is branched in a housing of a transmission on two meshing with a ring gear output pinion.
  • a ring gear output pinion For free adjustment mobility with respect to the sprocket are each provided for the two output pinion Balligierekupplept and spherical bearings.
  • an intermediate stage of the transmission must have a free axial Einstellbewegige. Since the two output pinions are firmly positioned to each other, the transmission must be relatively accurately aligned on a common foundation. However, the ball-toothed couplings can not compensate for overlapping alignment errors.
  • Out DE 39 31 116 A1 is a drive device for a vertical mill known in the gear and mill housing are firmly screwed. Because of that, have to be far apart lying axes of drive pinion and ring gear are positioned exactly to each other. For the drive pinion a tiltable mounting is provided, which is not sufficient to compensate for excess constraining forces.
  • JP 2005052799 A describes a drive device for a vertical crusher, which includes a gear unit that can be disassembled as a unit for maintenance purposes. At a driven-side gear stage is substantially no adjustment mobility to decouple shock loads from the processing of the gear unit.
  • the present invention has for its object to provide a driven-side assembly for a mill drive system, which allows a decoupling of the mill drive system occurring forces in a processing process and a simplified assembly of the mill drive system, and to provide a corresponding mill drive system.
  • the output-side assembly comprises a connectable with a grinding table output flange for receiving forces occurring in a grinding process.
  • a mountable on a foundation or support element annular base element is provided.
  • To support the output flange a plurality of Axialgleitlagersegmente are arranged substantially equidistant from each other on the annular base member. In each case, lubrication gaps are formed between the output flange and the Axialgleitlagersegmenten.
  • a ring gear is connected, which can be brought into engagement with at least one end pinion of a respective drive module.
  • the output-side assembly enables effective decoupling of essential components of a mill drive system from forces acting on the output flange in a processing process.
  • the basic element comprises an annular element which protrudes beyond a basic body which can be connected to the foundation or carrier element and has a predeterminable rigidity.
  • the ring member is at least partially hollow, and the Axialgleitlagersegmente are mounted on the ring member.
  • the ring element may have a U-shaped profile on a radial outer side and on a radial inner side.
  • the ring element is designed to compensate for unevenness of the foundation or support member under load in the axial direction and open at a side facing away from the Axialgleitlagersegmenten axial end face.
  • the ring element may have a peripheral groove with a parabolic cross-section on an axial end face facing away from the axial sliding bearing segments.
  • the ring element comprises a radial wall extending in sections alternately in a first and at a second radial distance from the center of the ring member.
  • the radial wall is connected to a side facing the Axialgleitlagersegmenten side with a circumferential annular plate on which the Axialgleitlagersegmente are mounted.
  • the mill drive system according to the invention comprises at least one drive module, which has a motor and a spur gear of a spur gear connected thereto.
  • a connectable with a grinding table output flange for receiving forces occurring in a grinding process is provided.
  • the mill drive system according to the invention comprises an annular base element which can be mounted on a foundation or carrier element.
  • On the annular base element a plurality Axialgleitlagersegmente for supporting the output flange are arranged substantially equidistant from each other. In each case, lubrication gaps are formed between the output flange and the Axialgleitlagersegmenten.
  • a sprocket is connectable, which can be brought into engagement with at least one spur gear of a drive module.
  • output-side assembly of a mill drive system has a connectable to a grinding table output flange 1 for receiving forces occurring in a grinding process.
  • annular base element 3 is mounted by means of fastening elements 4.
  • the base element 3 comprises a hollow ring element 6, which projects beyond a basic body 5 connected to the foundation 2 and has a predeterminable rigidity.
  • On the ring member 6 a plurality Axialgleitlagerkippsegmente 7 are arranged substantially equidistantly from each other to support the Abtriebsflansches 1. This is also the cross-sectional view according to FIG. 4 refer to.
  • each lubricating gaps 8 are formed through which the output flange 1 is axially slidably mounted.
  • a ring gear not explicitly shown in the figures connected be engaged with a spur gear of a drive module.
  • the ring element 6 has on a radial outer side 101 and on a radial inner side 102 a U-hollow profile-like course and is designed to compensate for unevenness of the foundation 2 under load in the axial direction.
  • the ring member 6 is open at one of the Axialgleitlagersegmenten 7 opposite axial end face 103.
  • the ring element 6 is dimensioned such that deformation paths are defined by a targeted rigidity of the ring member 6 in the axial direction, which allow a compensation of unevenness of the foundation 2. In this way, the lubricating gap 8 is not adversely affected, and stresses within the ring member 6 can be maintained within a permissible range even under load.
  • the ring element comprises a radial wall 201 which alternately extends in sections at a first radial distance 202 and at a second radial distance 203 from the center of the ring element 6 (see also FIG. 5 ).
  • the Axialgleitlagersegmente 7 lie in the middle of each section of the radial wall 201.
  • On a Axialgleitlagersegmenten 7 side facing the radial wall 201 is connected to a rotating annular plate 204 on which the Axialgleitlagersegmente 7 are mounted.
  • the output side assembly according to the embodiment according to FIG. 3 comprises a ring element 6, which has a circumferential groove 301 with a parabolic cross-section on an axial end face 302 facing away from the axial sliding bearing segments 7.
  • a ring element 6 which has a circumferential groove 301 with a parabolic cross-section on an axial end face 302 facing away from the axial sliding bearing segments 7.
  • side walls 303 vertically below a slight skew angle spread outwards.
  • the side walls 303 are connected to a base plate 304, on which the Axialgleitlagersegmente 7 are arranged.
  • Bumps within the foundation 2 between the side walls 303 play no role.
  • the base element 3 is designed by targeted stiffness properties such that it is only as soft as necessary to compensate for unevenness in the foundation 2 can be. In this way, there is no negative effect on the lubrication gap 8 between the output flange 1 and the individual Axialgleitlagersegmenten 7.
  • a partially hollow, contiguous circumferential ring member 6 also provides a greater height tolerance to unevenness in the foundation 2 compared to arranged on separate sockets Axialgleitlagersegmenten. 7
  • the described embodiments offer the advantage that expensive remeasurement and adjustments in an installation of mill drive systems can be dispensed with compared to conventional solutions.
  • the described embodiments have a significantly simplified structural design and have a reduced number of parts resulting in significantly lower manufacturing, storage and installation costs.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • General Details Of Gearings (AREA)

Description

Die Erfindung betrifft eine abtriebsseitige Baugruppe eines Mühlenantriebssystems und ein Mühlenantriebssystem, das eine solche abtriebsseitige Baugruppe umfaßt.The invention relates to a driven-side assembly of a mill drive system and a mill drive system comprising such a driven-side assembly.

Bekannte Mühlenantriebssysteme umfassen vielfach einen großen Zahnkranz, der in räumlicher Nähe zum Verarbeitungsprozeß angeordnet ist. Der Zahnkranz bildet häufig zusammen mit weiteren Getriebestufen und einem oder mehreren Elektromotoren einen Antriebsstrang. Üblicherweise sind die weiteren Getriebestufen in einem eigenen Getriebegehäuse angeordnet, das auf einem gemeinsamen Fundament exakt auszurichten ist.Known mill drive systems often comprise a large sprocket, which is arranged in spatial proximity to the processing process. The sprocket often forms a drive train together with other gear stages and one or more electric motors. Usually, the other gear stages are arranged in a separate gear housing, which is to be aligned exactly on a common foundation.

In DE 35 34 940 A1 ist eine Antriebsvorrichtung für einen Zahnkranz eines Drehrohres beschrieben, deren Antriebsleistung in einem Gehäuse eines Getriebes auf zwei mit einem Zahnkranz kämmende Abtriebsritzel verzweigt wird. Zur freien Einstellbeweglichkeit gegenüber dem Zahnkranz sind für die beiden Abtriebsritzel sind jeweils Balligzahnkupplungen und sphärische Lagerungen vorgesehen. Hierbei muß eine Zwischenstufe des Getriebes eine freie axiale Einstellbeweglichkeit aufweisen. Da die beiden Abtriebsritzel fest zueinander positioniert sind, muß das Getriebe relativ genau auf einem gemeinsamen Fundament ausgerichtet werden. Die Balligzahnkupplungen können jedoch überlagerte Ausrichtungsfehler nicht kompensieren.In DE 35 34 940 A1 a drive device for a ring gear of a rotary tube is described, the drive power is branched in a housing of a transmission on two meshing with a ring gear output pinion. For free adjustment mobility with respect to the sprocket are each provided for the two output pinion Balligzahnkupplungen and spherical bearings. In this case, an intermediate stage of the transmission must have a free axial Einstellbeweglichkeit. Since the two output pinions are firmly positioned to each other, the transmission must be relatively accurately aligned on a common foundation. However, the ball-toothed couplings can not compensate for overlapping alignment errors.

Aus DE 39 31 116 A1 ist eine Antriebsvorrichtung für eine Vertikalmühle bekannt, bei der Getriebe- und Mühlengehäuse fest verschraubt sind. Aufgrund dessen müssen weit auseinander liegenden Achsen von Antriebsritzel und Zahnkranz exakt zueinander positioniert werden. Für das Antriebsritzel ist eine kippbewegliche Lagerung vorgesehen, die jedoch nicht zur Kompensation überzähliger Zwangskräfte ausreicht.Out DE 39 31 116 A1 is a drive device for a vertical mill known in the gear and mill housing are firmly screwed. Because of that, have to be far apart lying axes of drive pinion and ring gear are positioned exactly to each other. For the drive pinion a tiltable mounting is provided, which is not sufficient to compensate for excess constraining forces.

JP 2005052799 A beschreibt eine Antriebsvorrichtung für einen vertikalen Brecher, die eine Getriebeeinheit umfaßt, die sich zu Wartungszwecken als eine Einheit demontieren läßt. An einer abtriebsseitigen Getriebestufe besteht im wesentlichen keine Einstellbeweglichkeit, um Stoßbelastungen aus dem Verarbeitungsprozeß von der Getriebeeinheit zu entkoppeln. JP 2005052799 A describes a drive device for a vertical crusher, which includes a gear unit that can be disassembled as a unit for maintenance purposes. At a driven-side gear stage is substantially no adjustment mobility to decouple shock loads from the processing of the gear unit.

Bei vielen herkömmlichen Mühlenantriebssystemen werden in einem Verarbeitungsprozeß auftretende Kräfte mittels mehrerer axialer Gleitlagerelemente jeweils über einen Sockel in ein Fundament oder einen Rahmen eingeleitet. Das Fundament bzw. der Rahmen kann aus Fertigungsgründen kann an einer Auflagefläche für den Gehäuseteile deutliche Form - und Ebenheitstoleranzen aufweisen, die in erheblichen Höhenunterschieden resultieren. Um Schmierspalte an den Gleitlagerelementen in einem geforderten Höhentoleranzbereich zu halten, müssen Höhenunterschiede der einzelnen Gleitlagerelemente durch manuelle Einstellung aufwendig ausgeglichen werden. Hierzu muß üblicherweise das Fundament bzw. der Rahmen genau ausgemessen werden. Zum Höhenausgleich werden beispielsweise Einstellbleche verwendet, die pro Sockel individuell montiert werden.In many conventional mill drive systems forces occurring in a processing process are introduced by means of a plurality of axial plain bearing elements in each case via a base in a foundation or a frame. For reasons of production, the foundation or the frame can have clear shape and flatness tolerances on a bearing surface for the housing parts, which result in considerable differences in height. In order to maintain lubrication gaps on the sliding bearing elements in a required height tolerance range, height differences of the individual sliding bearing elements must be compensated consuming by manual adjustment. For this purpose, usually the foundation or the frame must be measured accurately. For height adjustment, for example, adjustment plates are used, which are mounted individually per base.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine abtriebsseitige Baugruppe für ein Mühlenantriebssystem zu schaffen, die eine Entkopplung des Mühlenantriebssystem von in einem Verarbeitungsprozeß auftretenden Kräften sowie eine vereinfachte Montage der Mühlenantriebssystems ermöglicht, sowie ein entsprechendes Mühlenantriebssystem anzugeben.The present invention has for its object to provide a driven-side assembly for a mill drive system, which allows a decoupling of the mill drive system occurring forces in a processing process and a simplified assembly of the mill drive system, and to provide a corresponding mill drive system.

Diese Aufgabe wird erfindungsgemäß durch eine abtriebsseitige Baugruppe für ein Mühlenantriebssystem mit den in Anspruch 1 angegebenen Merkmalen sowie durch ein Mühlenantriebssystem mit den in Anspruch 5 angegebenen Merkmalen gelöst. Vorteilhafte Weiterbildungen der vorliegenden Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved by a driven-side assembly for a mill drive system with the features specified in claim 1 and by a mill drive system with the features specified in claim 5. Advantageous developments of the present invention are specified in the dependent claims.

Die erfindungsgemäße abtriebsseitige Baugruppe umfaßt einen mit einem Mahlteller verbindbaren Abtriebsflansch zur Aufnahme von in einem Mahlprozeß auftretenden Kräften. Außerdem ist ein auf einem Fundament oder Trägerelement montierbares ringförmiges Grundelement vorgesehen. Zur Abstützung des Abtriebsflansches sind auf dem ringförmigen Grundelement mehrere Axialgleitlagersegmente im wesentlichen äquidistant zueinander angeordnet. Dabei sind zwischen dem Abtriebsflansch und den Axialgleitlagersegmenten jeweils Schmierspalte gebildet. Mit dem Abtriebsflansch ist ein Zahnkranz verbindbar, der mit zumindest einem Stirnritzel jeweils eines Antriebsmoduls in Eingriff bringbar ist. Durch Verwendung eines ringförmigen Grundelements mit definierbarer Steifigkeit können Unebenheiten innerhalb eines Fundaments oder Trägerelements effizient kompensiert und Montageaufwände reduziert werden. Zudem ermöglicht die erfindungsgemäße abtriebsseitige Baugruppe eine wirksame Entkopplung wesentlicher Komponenten eines Mühlenantriebssystems von in einem Verarbeitungsprozeß auf den Abtriebsflansch einwirkenden Kräften.The output-side assembly according to the invention comprises a connectable with a grinding table output flange for receiving forces occurring in a grinding process. In addition, a mountable on a foundation or support element annular base element is provided. To support the output flange a plurality of Axialgleitlagersegmente are arranged substantially equidistant from each other on the annular base member. In each case, lubrication gaps are formed between the output flange and the Axialgleitlagersegmenten. With the output flange, a ring gear is connected, which can be brought into engagement with at least one end pinion of a respective drive module. By using an annular basic element with definable rigidity, unevenness within a foundation or support element can be compensated for efficiently and assembly costs can be reduced. In addition, the output-side assembly according to the invention enables effective decoupling of essential components of a mill drive system from forces acting on the output flange in a processing process.

Das Grundelement umfaßt erfindungsgemäß ein über einen mit dem Fundament oder Trägerelement verbindbaren Grundkörper herausragendes Ringelement mit vorgebbarer Steifigkeit. Das Ringelement ist zumindest abschnittsweise hohl, und die Axialgleitlagersegmente sind auf dem Ringelement montiert.According to the invention, the basic element comprises an annular element which protrudes beyond a basic body which can be connected to the foundation or carrier element and has a predeterminable rigidity. The ring member is at least partially hollow, and the Axialgleitlagersegmente are mounted on the ring member.

Das Ringelement kann an einer radialen Außenseite und an einer radialen Innenseite einen U-hohlprofilartigen Verlauf aufweisen. Dabei ist das Ringelement zur Kompensation von Unebenheiten des Fundaments oder Trägerelements unter Belastung in axialer Richtung ausgestaltet und an einer von den Axialgleitlagersegmenten abgewandten axialen Stirnseite offen. Alternativ dazu kann das Ringelement an einer von den Axialgleitlagersegmenten abgewandten axialen Stirnseite eine umlaufende Nut mit parabelartigem Querschnitt aufweisen. Entsprechend einer weiteren alternativen Ausführungsform umfaßt das Ringelement eine radiale Wand, die abschnittsweise alternierend in einem ersten und in einem zweiten radialen Abstand vom Mittelpunkt des Ringelements verläuft. Außerdem ist in diesem Fall die radiale Wand an einer den Axialgleitlagersegmenten zugewandten Seite mit einer umlaufenden Ringplatte verbunden, auf der die Axialgleitlagersegmente montiert sind.The ring element may have a U-shaped profile on a radial outer side and on a radial inner side. In this case, the ring element is designed to compensate for unevenness of the foundation or support member under load in the axial direction and open at a side facing away from the Axialgleitlagersegmenten axial end face. As an alternative, the ring element may have a peripheral groove with a parabolic cross-section on an axial end face facing away from the axial sliding bearing segments. According to a further alternative embodiment, the ring element comprises a radial wall extending in sections alternately in a first and at a second radial distance from the center of the ring member. In addition, in this case, the radial wall is connected to a side facing the Axialgleitlagersegmenten side with a circumferential annular plate on which the Axialgleitlagersegmente are mounted.

Das erfindungsgemäße Mühlenantriebssystem umfaßt zumindest ein Antriebsmodul, das einen Motor und ein mit diesem verbundenes Stirnritzel einer Stirnradstufe aufweist. Außerdem ist ein mit einem Mahlteller verbindbaren Abtriebsflansch zur Aufnahme von in einem Mahlprozeß auftretenden Kräften vorgesehen. Des weiteren umfaßt das erfindungsgemäße Mühlenantriebssystem ein auf einem Fundament oder Trägerelement montierbares ringförmiges Grundelement. Auf dem ringförmigen Grundelement sind mehrere Axialgleitlagersegmente zur Abstützung des Abtriebsflansches im wesentlichen äquidistant zueinander angeordnet. Dabei sind zwischen dem Abtriebsflansch und den Axialgleitlagersegmenten jeweils Schmierspalte gebildet. Mit dem Abtriebsflansch ist ein Zahnkranz verbindbar, das mit zumindest einem Stirnritzel eines Antriebsmoduls in Eingriff bringbar ist.The mill drive system according to the invention comprises at least one drive module, which has a motor and a spur gear of a spur gear connected thereto. In addition, a connectable with a grinding table output flange for receiving forces occurring in a grinding process is provided. Furthermore, the mill drive system according to the invention comprises an annular base element which can be mounted on a foundation or carrier element. On the annular base element a plurality Axialgleitlagersegmente for supporting the output flange are arranged substantially equidistant from each other. In each case, lubrication gaps are formed between the output flange and the Axialgleitlagersegmenten. With the output flange, a sprocket is connectable, which can be brought into engagement with at least one spur gear of a drive module.

Die vorliegende Erfindung wird nachfolgend anhand eines Ausführungsbeispiels näher erläutert. Es zeigt

Figur 1
eine erste Ausführungsform einer abtriebsseitigen Baugruppe eines Mühlenantriebssystems,
Figur 2
eine zweite Ausführungsform einer abtriebsseitigen Baugruppe eines Mühlenantriebssystems,
Figur 3
eine zweite Ausführungsform einer abtriebsseitigen Baugruppe eines Mühlenantriebssystems,
Figur 4
eine Querschnittsdarstellung durch ein Ringelement der in Figur 1 dargestellten Baugruppe,
Figur 5
eine Querschnittsdarstellung durch ein Ringelement der in Figur 2 dargestellten Baugruppe.
The present invention will be explained in more detail with reference to an embodiment. It shows
FIG. 1
A first embodiment of a driven-side assembly of a mill drive system,
FIG. 2
A second embodiment of a driven-side assembly of a mill drive system,
FIG. 3
A second embodiment of a driven-side assembly of a mill drive system,
FIG. 4
a cross-sectional view through a ring element of in FIG. 1 represented assembly,
FIG. 5
a cross-sectional view through a ring element of in FIG. 2 shown assembly.

Die in Figur 1 dargestellte abtriebsseitige Baugruppe eines Mühlenantriebssystems weist ein mit einem Mahlteller verbindbaren Abtriebsflansch 1 zur Aufnahme von in einem Mahlprozeß auftretenden Kräften auf. Auf einem Fundament 2 ist mittels Befestigungselementen 4 ein ringförmiges Grundelement 3 montiert. Das Grundelement 3 umfaßt ein hohles Ringelement 6, das über einen mit dem Fundament 2 verbundenen Grundkörper 5 herausragt und eine vorgebbare Steifigkeit aufweist. Auf dem Ringelement 6 sind zur Abstützung des Abtriebsflansches 1 mehrere Axialgleitlagerkippsegmente 7 im wesentlichen äquidistant zueinander angeordnet. Dies ist auch der Querschnittsdarstellung gemäß Figur 4 zu entnehmen. Zwischen dem Abtriebsflansch 1 und den Axialgleitlagersegmenten 7 sind jeweils Schmierspalte 8 gebildet, durch die der Abtriebsflansch 1 axial gleitgelagert ist. Mit dem Abtriebsflansch 1 kann ein in den Figuren nicht explizit dargestellter Zahnkranz verbunden werden, das mit einem Stirnritzel eines Antriebsmoduls in Eingriff steht.In the FIG. 1 shown output-side assembly of a mill drive system has a connectable to a grinding table output flange 1 for receiving forces occurring in a grinding process. On a foundation 2, an annular base element 3 is mounted by means of fastening elements 4. The base element 3 comprises a hollow ring element 6, which projects beyond a basic body 5 connected to the foundation 2 and has a predeterminable rigidity. On the ring member 6 a plurality Axialgleitlagerkippsegmente 7 are arranged substantially equidistantly from each other to support the Abtriebsflansches 1. This is also the cross-sectional view according to FIG. 4 refer to. Between the output flange 1 and the Axialgleitlagersegmenten 7 each lubricating gaps 8 are formed through which the output flange 1 is axially slidably mounted. With the output flange 1, a ring gear not explicitly shown in the figures connected be engaged with a spur gear of a drive module.

Das Ringelement 6 weist an einer radialen Außenseite 101 und an einer radialen Innenseite 102 einen U-hohlprofilartigen Verlauf auf und ist zur Kompensation von Unebenheiten des Fundaments 2 unter Belastung in axialer Richtung ausgestaltet ist. Außerdem ist das Ringelement 6 an einer von den Axialgleitlagersegmenten 7 abgewandten axialen Stirnseite 103 offen. Mittels FEM-Berechnungsverfahren ist das Ringelement 6 derart dimensioniert, daß durch eine gezielte Steifigkeit des Ringelements 6 in axialer Richtung Verformungswege definiert werden, die eine Kompensation von Unebenheiten des Fundaments 2 ermöglichen. Auf diese Weise wird der Schmierspalt 8 nicht negativ beeinflußt, und Spannungen innerhalb des Ringelements 6 können auch unter Belastung in einem zulässigen Bereich gehalten werden.The ring element 6 has on a radial outer side 101 and on a radial inner side 102 a U-hollow profile-like course and is designed to compensate for unevenness of the foundation 2 under load in the axial direction. In addition, the ring member 6 is open at one of the Axialgleitlagersegmenten 7 opposite axial end face 103. By means of FEM calculation method, the ring element 6 is dimensioned such that deformation paths are defined by a targeted rigidity of the ring member 6 in the axial direction, which allow a compensation of unevenness of the foundation 2. In this way, the lubricating gap 8 is not adversely affected, and stresses within the ring member 6 can be maintained within a permissible range even under load.

Bei der in Figur 2 dargestellten Ausführungsform umfaßt das Ringelement eine radiale Wand 201, die abschnittsweise alternierend in einem ersten radialen Abstand 202 und in einem zweiten radialen Abstand 203 vom Mittelpunkt des Ringelements 6 verläuft (siehe auch Figur 5). Die Axialgleitlagersegmente 7 liegen dabei mitten innerhalb jeweils eines Abschnitts der radialen Wand 201. An einer den Axialgleitlagersegmenten 7 zugewandten Seite ist die radiale Wand 201 mit einer umlaufenden Ringplatte 204 verbunden, auf der die Axialgleitlagersegmente 7 montiert sind.At the in FIG. 2 In the embodiment shown, the ring element comprises a radial wall 201 which alternately extends in sections at a first radial distance 202 and at a second radial distance 203 from the center of the ring element 6 (see also FIG FIG. 5 ). The Axialgleitlagersegmente 7 lie in the middle of each section of the radial wall 201. On a Axialgleitlagersegmenten 7 side facing the radial wall 201 is connected to a rotating annular plate 204 on which the Axialgleitlagersegmente 7 are mounted.

Die abtriebsseitige Baugruppe entsprechend der Ausführungsform gemäß Figur 3 umfaßt ein Ringelement 6, das an einer von den Axialgleitlagersegmenten 7 abgewandten axialen Stirnseite 302 eine umlaufende Nut 301 mit parabelartigem Querschnitt aufweist. Dabei stehen seitliche Wände 303 vertikal unter einem leichten Schrägungswinkel gespreizt nach außen. Die seitlichen Wände 303 sind mit einer Grundplatte 304 verbunden, auf der die Axialgleitlagersegmente 7 angeordnet sind. Bei der Ausführungsform gemäß Figur 3 spielen Unebenheiten innerhalb des Fundaments 2 zwischen den seitlichen Wänden 303 keine Rolle.The output side assembly according to the embodiment according to FIG. 3 comprises a ring element 6, which has a circumferential groove 301 with a parabolic cross-section on an axial end face 302 facing away from the axial sliding bearing segments 7. Here are side walls 303 vertically below a slight skew angle spread outwards. The side walls 303 are connected to a base plate 304, on which the Axialgleitlagersegmente 7 are arranged. In the embodiment according to FIG. 3 Bumps within the foundation 2 between the side walls 303 play no role.

Vorteilhafterweise wird das Grundelement 3 durch gezielte Steifigkeitseigenschaften derart gestaltet, daß er nur so weich wie notwendig ausgeführt wird, um Unebenheiten im Fundament 2 kompensieren zu können werden. Auf diese Weise ergibt sich kein negativer Einfluß auf den Schmierspalt 8 zwischen Abtriebsflansch 1 und den einzelnen Axialgleitlagersegmenten 7. Ein abschnittsweise hohles, zusammenhängendes umlaufendes Ringelement 6 bietet zudem eine größere Höhentoleranz gegenüber Unebenheiten im Fundament 2 im Vergleich zu auf separaten Sockeln angeordneten Axialgleitlagersegmenten 7.Advantageously, the base element 3 is designed by targeted stiffness properties such that it is only as soft as necessary to compensate for unevenness in the foundation 2 can be. In this way, there is no negative effect on the lubrication gap 8 between the output flange 1 and the individual Axialgleitlagersegmenten 7. A partially hollow, contiguous circumferential ring member 6 also provides a greater height tolerance to unevenness in the foundation 2 compared to arranged on separate sockets Axialgleitlagersegmenten. 7

Die beschriebenen Ausführungsformen bieten den Vorteil, daß aufwendige Nachmessungen und Einstellungen bei einer Installation von Mühlenantriebssystemen im Vergleich zu herkömmlichen Lösungen entfallen können. Außerdem haben die beschriebenen Ausführungsformen einen wesentlich vereinfachten konstruktiven Aufbau und weisen eine reduzierte Teileanzahl auf, aus der deutlich geringere Herstellungs-, Lagerhaltungs- und Montagekosten resultieren.The described embodiments offer the advantage that expensive remeasurement and adjustments in an installation of mill drive systems can be dispensed with compared to conventional solutions. In addition, the described embodiments have a significantly simplified structural design and have a reduced number of parts resulting in significantly lower manufacturing, storage and installation costs.

Die Anwendung der vorliegenden Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt.The application of the present invention is not limited to the described embodiments.

Claims (5)

  1. Output-side subassembly of a mill drive system, with
    - an output flange (1), connectable to a grinding dish, for absorbing forces occurring in a grinding process,
    - an annular basic element (3) which is mountable on a foundation (2) or carrier element and which comprises an annular element (6) which projects beyond a basic body (5) connectable to the foundation or carrier element,
    - a plurality of axial plain bearing segments (7), arranged essentially equidistantly with respect to one another on the annular basic element, for supporting the output flange, said axial plain bearing segments being mounted on the annular element of predeterminable rigidity, lubricating gaps (8) being formed in each case between the output flange and the axial plain bearing segments,
    - a toothed ring which is connected to the output flange and which can be brought into engagement with at least one spur pinion of a drive module in each case,
    characterized in that an annular element of predeterminable rigidity is provided, which is hollow at least in sections.
  2. Subassembly according to Claim 1, in which the annular element has a profile resembling a hollow U-shape on a radial outer side and on a radial inner side, is configured for compensating unevennesses of the foundation or carrier element under load in the axial direction and is open on an axial end face facing away from the axial plain bearing segments.
  3. Subassembly according to Claim 1, in which the annular element has a continuous groove (301) of parabola-like cross section on an axial end face facing away from the axial plain bearing segments.
  4. Subassembly according to Claim 1, in which the annular element comprises a radial wall (201) which runs in sections alternately at a first and at a second radial distance from the center of the annular element, and in which the radial wall is connected, on a side facing the axial plain bearing segments, to a continuous annular plate (204) on which the axial plain bearing segments are mounted.
  5. Mill drive system, with at least one drive module which comprises a motor and a spur pinion, connected to the latter, of a spur wheel stage, and with an output-side subassembly according to Claim 1.
EP11153234.7A 2010-02-12 2011-02-03 Drive side component assembly of a mill drive system and mill drive system Not-in-force EP2359935B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010007929.4A DE102010007929B4 (en) 2010-02-12 2010-02-12 Output side assembly of a mill drive system and mill drive system

Publications (2)

Publication Number Publication Date
EP2359935A1 EP2359935A1 (en) 2011-08-24
EP2359935B1 true EP2359935B1 (en) 2017-10-18

Family

ID=44041444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11153234.7A Not-in-force EP2359935B1 (en) 2010-02-12 2011-02-03 Drive side component assembly of a mill drive system and mill drive system

Country Status (5)

Country Link
US (1) US8544780B2 (en)
EP (1) EP2359935B1 (en)
CN (1) CN202070369U (en)
DE (1) DE102010007929B4 (en)
ES (1) ES2656528T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9657944B2 (en) 2010-09-09 2017-05-23 General Electric Technology Gmbh Assembly for fossil fuel distribution
US20130161475A1 (en) * 2011-12-21 2013-06-27 Alstom Technology Ltd Vibration dampening base assembly for a grinding mill
DE102016119377B4 (en) * 2016-10-12 2020-08-20 Gebr. Pfeiffer Se Bearing element suitable for the storage of a grinding table in a roller mill

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179793B (en) * 1961-04-13 1964-10-15 Peters Ag Claudius Roller or roller grinder
DE3534940A1 (en) * 1984-11-07 1986-05-22 A. Friedr. Flender Gmbh & Co Kg, 4290 Bocholt Drive device for a rotary tube with power division
CH672603A5 (en) * 1987-04-09 1989-12-15 Maag Zahnraeder & Maschinen Ag
DE3931116C2 (en) * 1989-09-18 1994-02-03 Krupp Polysius Ag Drive device for a roller mill
JP2005052799A (en) * 2003-08-07 2005-03-03 Seisa Gear Ltd Gear device for vertical crushing machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2359935A1 (en) 2011-08-24
DE102010007929B4 (en) 2016-01-21
CN202070369U (en) 2011-12-14
ES2656528T3 (en) 2018-02-27
US20110210196A1 (en) 2011-09-01
DE102010007929A1 (en) 2011-08-18
US8544780B2 (en) 2013-10-01

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