EP2025409B1 - Entraînement de moulin - Google Patents

Entraînement de moulin Download PDF

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Publication number
EP2025409B1
EP2025409B1 EP08010631A EP08010631A EP2025409B1 EP 2025409 B1 EP2025409 B1 EP 2025409B1 EP 08010631 A EP08010631 A EP 08010631A EP 08010631 A EP08010631 A EP 08010631A EP 2025409 B1 EP2025409 B1 EP 2025409B1
Authority
EP
European Patent Office
Prior art keywords
mill
separate
drive means
bevel gear
drive
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.)
Active
Application number
EP08010631A
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German (de)
English (en)
Other versions
EP2025409A1 (fr
Inventor
Michael Keyssner
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.)
Loesche GmbH
Original Assignee
Loesche GmbH
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Filing date
Publication date
Application filed by Loesche GmbH filed Critical Loesche GmbH
Priority to PL08010631T priority Critical patent/PL2025409T3/pl
Publication of EP2025409A1 publication Critical patent/EP2025409A1/fr
Application granted granted Critical
Publication of EP2025409B1 publication Critical patent/EP2025409B1/fr
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Classifications

    • 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 mill drive device for rolling mills according to the preamble of claim 1, such as, for example DE 3240222A1 known.
  • Roller mills which have a rotating grinding bowl with rolling-on, resiliently compressible grinding rollers, are used primarily for comminuting mineral ground material, for example cement raw materials, cement clinker, coal and also for comminuting ores.
  • the drive power for the crushing work of Wälzmühlen is provided by a single drive device with drive motor and gear for the rotary drive of the grinding bowl.
  • Roller mills are also known in which, in addition to the grinding bowl, the grinding rolls are driven by means of additional individual drives.
  • the drive means for the grinding bowl on a bevel gear and at least one planetary gear is arranged below the grinding bowl and connected thereto.
  • German utility model DE-U-7620223 is a heavy-duty roller mill with four hydraulic motors known that drive together a sprocket and about the grinding table.
  • the four hydraulic drives replace the conventional grinding table drive consisting of a single electric motor and a heavy duty reduction gearbox to allow a speed change of the mill drive.
  • a drive device for a roller mill in which two diametrically opposed attachment gears are provided, which are in each case via two pinions with a ring gear in engagement.
  • the sprocket is designed as a sprocket pressure plate and also serves as a running surface for the thrust bearing of the Mahltellerwelle.
  • the invention has for its object to provide a mill drive device for roller mills which any size and power rating can be used for roller mills, and is associated with relatively low cost and relatively short delivery times and at the same time has an optimized load distribution.
  • the mill drive device for rolling mills which has a bevel gear for the power input and at least one planetary gear for the grinding bowl side power takeoff is provided according to the invention in the region of the bevel gear instead of a single, correspondingly large drive means with a plurality of separate drive means or drives.
  • the separate drive means of the bevel gear which are conveniently arranged around the gear housing or a common bevel gear, allow the use of smaller and especially commercially available components, such as electric motors, so that a significant cost savings and shorter delivery times can be achieved.
  • the separate drive means of the bevel gear each have separate bevel pinions, which mesh with a common bevel gear of the bevel gear and also have a corresponding training and can contribute to cost reduction.
  • Another essential advantage of the preferably uniformly arranged around the common bevel gear or the gear housing separate drive means is that in case of failure of one of the plurality of drives, or one of the plurality of electric motors, the roller mill can be operated with the other drives.
  • the bevel gear stage has a large drive motor, desen failure leads to a standstill of the entire mill and production losses.
  • the roller mill can continue to operate with reduced power and the defective drive to be replaced.
  • the number and / or power of the separate drive means can be made variable and can be determined according to the respective required power of the roller mill
  • the mill gear 2 is in this embodiment, a two-stage Wälzmühlengetriebe, which has a bevel gear 10 and a planetary gear 5 in a gear housing 4.
  • the planetary gear 5 consists of a sun gear 6 in the center, therefore arranged planetary gears 7 and a common ring gear 9 with internal toothing, in which the planet gears 7 are supported.
  • Distance and guidance of the planetary gears 7 are effected by a planet carrier 8, which is connected to an output flange 3 and a grinding bowl (not shown) arranged thereon via an output shaft 19 in a rotationally fixed manner.
  • the sun gear 6 of the planetary gear 5 is driven by the upstream bevel gear 10 via a vertical drive shaft 21 and a toothed clutch 22, so that the rotating planetary gears 7 together rotate the planet 8 and thus the output flange 3 with grinding bowl.
  • this has several separate drives instead of a single main drive, of which only two separate drives 11, 12 are shown in the drawing figure.
  • These separate drives 11, 12 are opposite to each other, and it is obvious that in addition to these two separate drives 11, 12 further drives, in particular evenly spaced from each other, around the common bevel gear 20 or around or in the transmission housing 4 can be arranged , For example, a total of four separate drives or more than four drives, possibly in accordance with the number of rolling on the grinding bowl grinding rollers, may be arranged.
  • Each separate drive 11, 12 has a separate bevel pinion 15, 16, which in each case via a horizontal, separate drive shaft 13, 14 with a separate drive motor (not shown) is connected.
  • the individual bevel pinions 15, 16 mesh with the common bevel gear 20 and thus drive the vertical drive shaft 21 and via the planetary gear 5, the output shaft 19 and thus the grinding bowl.
  • the mill gear 2 according to the invention which is not limited to the illustrated two-stage mill gear, thus has an optimized load distribution not only in the planetary gear 5, but also in the underlying bevel gear stage 10.
  • the separate, smaller drive motors may be horizontal motors or vertical motors.
  • the separate electric motors of the separate drive devices are also conveniently connected via couplings (not shown) and thus releasably and replaceably connected to the respective drive shafts, so that if necessary, a rapid exchange can take place.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Gear Transmission (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (7)

  1. Dispositif d'entraînement de broyeur pour broyeurs à cylindres, lesquels comprennent des cylindres de broyage roulant sur un plateau de broyage, avec au moins un dispositif d'entraînement et une transmission de broyeur avec un étage (10) à roue conique pour l'introduction de force et au moins un étage (5) à roue planétaire pour la sortie de force côté plateau de broyage, dans lequel l'étage (10) à roue conique comprend une roue conique (20) à denture et est muni d'un arbre d'entraînement (21) vertical, lequel est relié à l'étage (5) à roue planétaire par l'intermédiaire d'un embrayage (22),
    caractérisé en ce que l'étage (10) à roues coniques comprend, au lieu d'un grand dispositif d'entraînement, plusieurs dispositifs d'entraînement séparés (11, 12) avec des pignons coniques (15, 16) correspondants, qui sont disposés pour se mettre en prise en commun sur la roue conique (20).
  2. Dispositif d'entraînement de broyeur selon la revendication 1, caractérisé en ce que les dispositifs d'entraînement séparés (11, 12) sont réalisés plus petits et comprennent chacun un arbre d'entraînement (13, 14) séparé et un moteur électrique séparé, et en ce que les moteurs électriques séparés peuvent être synchronisés électriquement.
  3. Dispositif d'entraînement de broyeur selon la revendication 1 ou 2, caractérisé en ce que la puissance et/ou le nombre des dispositifs d'entraînement séparés (11, 12) sont déterminés par la puissance nécessaire du broyeur à cylindres.
  4. Dispositif d'entraînement de broyeur selon l'une quelconque des revendications précédentes, caractérisé en ce que les dispositifs d'entraînement séparés (11, 12) sont répartis régulièrement autour de la roue conique (20) commune ou autour du boîtier de transmission (4).
  5. Dispositif d'entraînement de broyeur selon l'une quelconque des revendications précédentes, caractérisé en ce que les moteurs électriques des dispositifs d'entraînement séparés (11, 12) sont placés horizontalement et sont reliés aux arbres d'entraînement (13, 14) des dispositifs d'entraînement séparés (11, 12) de façon amovible et interchangeable par l'intermédiaire d'embrayages.
  6. Dispositif d'entraînement de broyeur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'en cas de panne d'un dispositif d'entraînement séparé (11, 12), le broyeur à cylindres peut encore fonctionner à l'aide des autres dispositifs d'entraînement séparés.
  7. Dispositif d'entraînement de broyeur selon l'une quelconque des revendications 1 à 4, et 6, caractérisé en ce que les moteurs électriques des dispositifs d'entraînement séparés (11, 12) sont des moteurs verticaux dont les pignons droits s'engagent dans une roue droite commune, placée horizontalement.
EP08010631A 2007-08-02 2008-06-11 Entraînement de moulin Active EP2025409B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08010631T PL2025409T3 (pl) 2007-08-02 2008-06-11 Urządzenie napędowe młynów dla młynów krążnikowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202007010730U DE202007010730U1 (de) 2007-08-02 2007-08-02 Mühlengetriebe für Wälzmühlen

Publications (2)

Publication Number Publication Date
EP2025409A1 EP2025409A1 (fr) 2009-02-18
EP2025409B1 true EP2025409B1 (fr) 2012-08-08

Family

ID=39645243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08010631A Active EP2025409B1 (fr) 2007-08-02 2008-06-11 Entraînement de moulin

Country Status (8)

Country Link
EP (1) EP2025409B1 (fr)
JP (1) JP5183335B2 (fr)
CN (1) CN101357347B (fr)
DE (1) DE202007010730U1 (fr)
DK (1) DK2025409T3 (fr)
ES (1) ES2389386T3 (fr)
PL (1) PL2025409T3 (fr)
RU (1) RU2430280C2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006050205B4 (de) * 2006-10-25 2013-03-21 Gebr. Pfeiffer Ag Sicherheitssystem für Wälzmühlen
FR2977170B1 (fr) * 2011-06-29 2013-08-09 Cie Engrenages Et Reducteurs Messian Durand Dispositif d'entrainement pour broyeur, et broyeur correspondant
DE102011079555B4 (de) * 2011-07-21 2020-12-24 Renk Ag Antriebsanordnung für eine Vertikal-Rollenmühle
FR2979838B1 (fr) * 2011-09-09 2016-01-15 Cie Engrenages Et Reducteurs Messian Durand Entrainement de broyeur vertical a plusieurs entrainements principaux
DE102014008966A1 (de) * 2014-06-23 2015-12-24 Renk Aktiengesellschaft Antriebsanordnung für eine Vertikal-Rollenmühle
EP3056278B1 (fr) 2015-02-10 2019-06-12 Flender GmbH Système d'engrenage pour un moulin vertical

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228875A (en) * 1975-07-29 1977-03-04 Nippon Kogaku Kk <Nikon> Mask
SU1126346A1 (ru) * 1981-05-13 1984-11-30 Краматорский Индустриальный Институт Привод клети прокатного стана
DE3217079A1 (de) * 1981-07-15 1983-02-03 VEB Schwermaschinenbau-Kombinat "Ernst Thälmann" Magdeburg, DDR 3011 Magdeburg Gruppenantrieb
CH654086A5 (de) * 1981-11-02 1986-01-31 Maag Zahnraeder & Maschinen Ag Schuesselmuehlengetriebe.
JPS59138445U (ja) * 1983-03-03 1984-09-14 株式会社神戸製鋼所 ロ−ラミル
DE3320037C1 (de) * 1983-06-03 1984-11-15 Fritz Sauerwald Fabrik für Getriebebau, 5600 Wuppertal Walzenschüsselmühlengetriebe
ATE48097T1 (de) * 1985-07-18 1989-12-15 Krupp Gmbh Walzblock.
DE3931116C2 (de) * 1989-09-18 1994-02-03 Krupp Polysius Ag Antriebseinrichtung für eine Rollenmühle
DE19702854A1 (de) * 1997-01-27 1998-07-30 Krupp Polysius Ag Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut
DE19917608C1 (de) * 1999-04-19 2001-09-13 Renk Ag Schüsselmühlengetriebe
CN2539015Y (zh) * 2002-04-29 2003-03-05 南京大学仪器厂 行星式齿轮球磨机
CN2589075Y (zh) * 2002-10-23 2003-12-03 宜兴市创新机械制造有限公司 立式磨辊磨粉机
DE102006050205B4 (de) * 2006-10-25 2013-03-21 Gebr. Pfeiffer Ag Sicherheitssystem für Wälzmühlen

Also Published As

Publication number Publication date
PL2025409T3 (pl) 2012-11-30
CN101357347A (zh) 2009-02-04
EP2025409A1 (fr) 2009-02-18
ES2389386T3 (es) 2012-10-25
JP5183335B2 (ja) 2013-04-17
DK2025409T3 (da) 2012-11-19
RU2008127771A (ru) 2010-01-20
RU2430280C2 (ru) 2011-09-27
JP2009034675A (ja) 2009-02-19
CN101357347B (zh) 2013-07-17
DE202007010730U1 (de) 2008-12-11

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