WO2013160220A1 - Unité d'entraînement pour broyeur destiné à broyer un produit en vrac - Google Patents

Unité d'entraînement pour broyeur destiné à broyer un produit en vrac Download PDF

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Publication number
WO2013160220A1
WO2013160220A1 PCT/EP2013/058246 EP2013058246W WO2013160220A1 WO 2013160220 A1 WO2013160220 A1 WO 2013160220A1 EP 2013058246 W EP2013058246 W EP 2013058246W WO 2013160220 A1 WO2013160220 A1 WO 2013160220A1
Authority
WO
WIPO (PCT)
Prior art keywords
crusher
shaft
drive unit
transmission
elastic coupling
Prior art date
Application number
PCT/EP2013/058246
Other languages
German (de)
English (en)
Inventor
Viktor Raaz
Michael Schmedding
Original Assignee
Thyssenkrupp Resource Technologies 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 Thyssenkrupp Resource Technologies Gmbh filed Critical Thyssenkrupp Resource Technologies Gmbh
Priority to CA2908496A priority Critical patent/CA2908496C/fr
Publication of WO2013160220A1 publication Critical patent/WO2013160220A1/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
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/42—Driving mechanisms; Roller speed control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/30—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives

Definitions

  • the present invention relates to a drive unit for a crusher for crushing bulk material, comprising at least one drive motor for rotating drive at least one crusher roller, further comprising a transmission with an input shaft for connecting the drive motor and with an output shaft, with which the breaker roller is brought into operative connection
  • Drive units for crushers must withstand high impact loads, for example, when large and hard components of the bulk material get between the crusher rollers, which can lead to an abrupt delay in the rotational movement in the crusher rollers.
  • the sudden delay of the rotational movement in the crusher rollers can be transmitted via the operative connection in the transmission and even into the drive motor, and by the impact load, the transmission and the drive motor Get damaged.
  • the drive motor may be formed by an electric motor or by an internal combustion engine, with the input shaft of the transmission reflecting the high speed side of the transmission, and the output shaft in operative connection with the crusher roller forming the low speed output side of the transmission Gearboxes and the crusher roller suddenly delayed, resulting in the fast-running side with the drive motor and the input shaft of the transmission, an even higher impact load by the rotation delay.
  • the drive motor with the transmission can be considered as a first rotational inertia unit, whereas the crusher roller can form a second rotational mass inertia unit.
  • the two mass moment of inertia units it will be understood that with abrupt delays in the rotational motion of the second rotating mass formed by the crusher roll, there will be a significant amount of torsional stress throughout the powertrain which can lead to permanent damage and premature failure of the drive unit.
  • idealized consideration of a fully elastic impact between the crusher rolls it can even be assumed, with a fundamental consideration of the conservation of energy, that the rotation of the crusher roll transitions from a first rotary movement into an opposite rotary movement, which can assume the same rotational speed in the opposite direction.
  • Crusher rolls can have a larger diameter with a smaller toothing, whereas sizers have a smaller roll diameter, on which larger toothed elements are arranged for comminuting the bulk material or other objects and, for example, can rotate relative to one another. With Sizem too, abrupt delays in the rotational movement of the roller can occur, which cause the same load on the drive unit.
  • DE 1 903 340 U shows a breakage protection for the drive unit of a crusher with a lamella arranged between a flywheel and a breaking axis, which in its fracture cross-section is predetermined in such a way that it can serve as a safety coupling.
  • a drive unit for a crusher for crushing bulk material is shown by way of example, and between the drive motor and the crusher roller, a transmission belt, referred to as V-belt, is arranged.
  • V-belt a transmission belt
  • Such a belt is used to transfer the drive power from the drive motor to the input shaft of the crusher roller for sufficient energy absorption to protect the system from two Rotationsmasseriträgheftsöen from damage, such a V-belt but not serve.
  • a drive unit for a crusher for crushing bulk material is shown, and via a gear having a synchronizing stage, two crusher rollers U1 and U2 are driven to rotate synchronously with each other in opposite directions.
  • the drive is made by several motors, and between the motors and the crusher rollers, a transmission is arranged which constitutes a rigid, inelastic connection.
  • a slow-moving side represented by slow-speed crusher rollers
  • a fast-moving side represented by the motors
  • the invention includes the technical teaching that the operative connection between the output shaft of the transmission and the crusher roller has at least one elastic coupling member, are elastically absorbable with the torsional impacts between the unit of the drive motor and the transmission as a first Rotationsmassenträgheitsaku and the crusher roller as a second Rotationsmassenträgheitsappel ,
  • an elastic coupling member as an operative connection between the output shaft of the transmission and the crusher roller has the advantage that torsional impacts between the unit of drive motor and the transmission as a first Rotationsmassenträgheitsaku and the crusher roller as a second rotational mass ntrdgheitsappel are elastically and in particular fully elastic absorbable
  • the elastic coupling element according to the invention forms in the drive train between the drive motor and the crusher blade initially no vibration damper, such as a rubber elastic V-belt, but the elastic coupling member is designed so that torsional shocks between the rotational mass inertia can be taken schade rtlitis by a torsional elasticity, without dasa (components of the drive unit can be damaged.)
  • the crusher rollers block, thus a torsional shock is caused, and to avoid torque peaks in the drive train from the drive motor to the crusher rollers, the elastic coupling member can absorb an amount of energy by torsionally elastic storage, Furthermore, at least one further elastic coupling
  • a smaller rotational mass and a larger rotational kinetic energy can be stored kinetically in one of the rotational mass carrying units, caused by different mass moment of inertia and / or by different gravitational forces
  • the elastic coupling member for receiving a deformation energy is designed so that a deformation energy can be absorbed, which corresponds to at least the simple, preferably twice, more preferably three times and most preferably four times the value of the smaller rotational energy in the rotational mass inertia units. This value arises when it is ideally assumed that in the case of a fully elastic impact of a crusher roller with a body of the bulk material, it is accelerated from a first rotational direction at a first rotational speed in the opposite rotational direction at the same rotational speed.
  • the elastic coupling element may receive at least four times the rotational energy stored as lesser of two rotational energies in the mass indexing units to take into account that the above considerations apply preferably for the rated speed or for the preferred rated speed range or for the speed or the speed range of the stationary, permanent operation of the crusher.
  • the elastic coupling member for this purpose is installed in the slowly running part of the drive train of the drive unit, namely between the output shaft of the transmission and the at least one breaker roller.
  • the invention is based on the finding that the breaking operations on typical solid materials are very short-term, for example, from a fraction to a few milliseconds, and are considered as a shock load for the excitation of the typical drive waveforms with frequencies in the range significantly less than 100 Hz. Thanks to at least one highly elastic coupling member, the low natural vibration frequencies in the drive train are significantly reduced and the maximum deflection values, in particular for the first harmonic amplitude after a crushing process, significantly reduced. This also results in a clear advantage in the normal operation of the crusher by the elastic coupling member.
  • the elastic coupling member may be formed by a Torsionswelte having in particular a length-diameter ratio of 5 to 50, preferably from 15 to 25 and particularly preferably from 10 to 20.
  • the diameter of the torsion shaft may be about 20 cm, and the length of the torsion shaft is about 4 m, preferably 4.50 m.
  • the torsion wave can be made of a steel tube or of a solid steel rod, and by the length of the torsion wave is a particularly large energy torsionally elastic in the torsion, in particular short-term stored.
  • the transmission may be designed such that at least a portion of the torsion shaft is passed through the transmission and or through a hollow crusher shaft.
  • the elastic coupling member may be formed by a flexible coupling. This can be according to the invention between the output shaft of the transmission and the crusher roller, for example, the main shaft of the crusher roller, are.
  • the at least one further elastic coupling member between the transmission and the drive motor can also be formed by a torsion shaft and / or by an elastic coupling.
  • the drive unit for a crusher can have, for example, at least two crusher rollers, which are driven by a drive motor and preferably via a common transmission.
  • Each crusher roller can be assigned to drive an elastic coupling member, so for example a torsion shaft and / or a flexible coupling, via which the Arrtriebsburnmornent is transmitted to the associated crusher roller.
  • the transmission may have a synchronous steps by which two parallel extending and counter-rotating torsional shafts with a drive motor for driving associated crusher rollers can be driven.
  • the torsion waves can extend parallel to each other extending from the gearbox to the crusher rollers, so that the torsion shafts also rotate in opposite directions to each other.
  • connection of the drive motor to the input shaft of the transmission can have a torque limiting clutch.
  • the torque limiting clutch for example, as a slip clutch, as a disconnect clutch or alternatively or additionally as Slip clutch between the drive motor and the transmission can be arranged.
  • a slip clutch for example, be a fluid turbo coupling or a magnetic coupling, which require a torque transmission through a speed difference, the so-called slip, between the input shaft of the transmission and the motor shaft of the drive motors.
  • an elastic connection coupling may additionally be provided, which may also be designed as a structural unit with the torque limiting clutch.
  • the torsion shaft may have a connection with the output shaft of the transmission formed by a shaft-hub connection or a flange connection, wherein the output shaft may be formed as a hollow shaft and wherein the torsion shaft may extend through the hollow shaft to achieve that at least part of the torsion shaft extends through the transmission, in which the hollow shaft is received.
  • the flange connection can also be formed by any further shaft-hub connection.
  • connection of the torsion shaft with the crusher roller may comprise a clutch which is designed in particular as a barrel clutch, as a quick release coupling, as a flange coupling and / or as a toothed coupling Torsionswelle be included in a barrel clutch, and between the barrel clutch and the crusher roller can be located next to a storage of the roll axis a quick release.
  • a clutch which is designed in particular as a barrel clutch, as a quick release coupling, as a flange coupling and / or as a toothed coupling Torsionswelle be included in a barrel clutch, and between the barrel clutch and the crusher roller can be located next to a storage of the roll axis a quick release.
  • Figure 1 is a schematic view of a drive unit with the features of the present invention.
  • Figure 2 is a detailed view of an embodiment of a
  • Figure 1 shows schematically an embodiment of a drive unit 1 for a crusher for crushing bulk material, wherein the drive unit 1 is used to rotate a crusher roller 11.
  • the drive unit 1 has a drive motor 10, wherein furthermore a transmission 12 is provided, which has an input shaft 13 and is designed to connect the drive motor 10, furthermore, the transmission 12 has an output shaft 14, with which the breaker roller 11 brought into operative connection is.
  • the operative connection between the output shaft 14 of the gear 12 and the crusher roller 11 comprises an elastic coupling member, wherein in the schematic example, the elastic coupling member is shown both as a torsion shaft 15 and as a flexible coupling 16.
  • the elastic coupling member 15, 16 is thus formed both by a torsion shaft 15 and by a flexible coupling 16, wherein also only one torsion shaft 15 or only one elastic coupling 16 between the output shaft 14 of the transmission 12 and the crusher roller 11 may be provided.
  • the illustrated driveline is exemplarily divided into two rotational mass inertial units J1 and J2, and the rotational inertia unit J1 is formed by the fast-traveling side of the driveline, namely by the drive motor 10 and the transmission 12.
  • the rotational mass unit J2 is defined by the slow-moving part of the driveline In this case, either the first rotational mass unit J1 or the second Rotattonsmasserrtrögheitsö J2 include a smaller rotational energy during operation of the drive unit.
  • the entire inertia of the crusher drive can be divided into a few mutually oscillating inertial components, namely with the embodiment shown in a fast rotating Rotationsmasserrgtheitheit J1 and in a slowly rotating Rotationsmassenträgheitsappel J2.
  • the elastic coupling element 15, 16 can be designed such that at least the smaller rotational energy stored in the rotational mass inertia units J1 or J2 is received in the elastic coupling element 15, 16 become.
  • a fully elastic impact in the crusher roller 11 can be accommodated without destruction and without permanent deformation, so that in particular the first rotational mass inertia unit J1 from the drive motor 10 and the transmission 12 remains undamaged
  • the invention is based on the recognition that the breaking operations of typical solid materials very short term, ranging from a fraction of a millisecond to a few milliseconds, and for the excitement of the typical Antriebsschwingungsforms with frequencies in the range clearly less than 100 Hz are considered to be a shock load. Thanks to the highly elastic drive components, in particular of the elastic coupling member 15, 16, the lowest natural vibration frequencies in drive trains are significantly reduced and the maximum deflection values, especially for the first overshoot amplitude after the impact of the crusher roller 11 by the hard body in the bulk material significantly reduced.
  • the prerequisite for the inventive reduction of the torsional moments in the breaker drive train through the elastic coupling member 15, 16 is that the elastic deformation energy which can be stored in the elastic coupling member 15, 16, the simple, preferably twice, more preferably the triple and most preferably the four times the value of the smaller rotational energy in the rotational mass units J1 or J2.
  • connection of the transmission 12 with the elastic coupling member 15, 16, shown by way of example with the torsion shaft 15, is formed by a flange 17, which can also be designed as a shaft-hub connection.
  • the connection of the elastic coupling member 15, 16, in particular of the torsion shaft 15 with the crusher roller 19 comprises a clutch 19, which may be designed for example as a barrel coupling. Furthermore, a quick release coupling between the clutch 19 and the crusher roller 11 may be provided, which is not shown in detail
  • an omentenbegrenzungskupplung 20 is shown, which may be formed as a slip clutch and or as another safety clutch, which is also flexible.
  • a torsional vibration between the drive motor 10 and the input shaft 13 of the transmission 12 may have a yielding to provide a further torsional elasticity also within the high-speed rotational inertia unit J1.
  • the torsion shaft 15 is formed in an alternative embodiment with two parts 15 'and 15 ", which extends through the gear 12 and a hollow running Breaker shaft 25 of the crusher roller 11 extend therethrough.
  • a part 15 'of the torsion shaft 15 is shown purely schematically, which extends through the gear 12 and thus through a hollow output shaft 14 therethrough, and a further part 15 "of the torsion 15 extends through the same hollow trained crusher shaft 25th
  • alternative arrangements of the flange 17 'and the clutch 19', whereby the Intelbaugonee the drive unit 1 despite a long running torsion shaft 15 may be smaller.
  • FIG. 2 shows a detailed embodiment of the drive unit 1 with the features of the present invention, wherein as elastic coupling members 15 torsional shafts 15 are provided.
  • the drive unit 1 consists of a double drive train, and with a drive motor 10 can be operated with an associated gear 12, two oppositely rotating crusher rollers 11. Since the drive unit 1 is designed as a double drive train, a total of two drive motors 10 are shown with two approximately identically constructed gears 12, which drive four crusher rollers 11 via four parallel torsional shafts 15.
  • the drive motor 10 is connected via a torque limiting clutch 20 to the input shaft 13 of the transmission 12, and the input shaft 13 drives via a first gear stage 21 an intermediate shaft 22, wherein the rotational speed of the intermediate shaft 22 by the design of the first gear stage 21 is lower than the rotational speed
  • the intermediate shaft 22 drives via a further gear stage to a synchronizing stage 18, which is formed by the teeth of two parallel-running output shafts 14 each in an output shaft 14 is connected via a flange 17, a torsion shaft 15, wherein a part of the torsion 15th extends through the output shaft 14 therethrough. This ensures that the maximum size of the drive unit 1 remains limited in spite of long-running torsion 15.
  • the torsion waves 15 and thus the crusher rollers 11, which are driven in pairs by a respective gear 12, run in opposite directions to each other.
  • the connection of the torsion shafts 15 with the crusher rollers 11 is formed by a coupling 1 ⁇ and a quick release coupling 23.
  • a bearing arrangement 24 in which the crusher shafts 25 are mounted wherein the bearing arrangement 24 are shown by way of example only as one-sided support of the crusher rollers 11, which also in the free, rear end may also have another, not shown bearing assembly.
  • the elastic coupling member 15 may be formed solely of an elastic coupling 16, which may be located between the flange 17 with the output shaft 14 and the clutch 19 with the crusher roller 11 or forms a direct connection between the gear 12 and the crusher roller 11 ,

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

L'invention concerne une unité d'entraînement (1) pour un broyeur destiné à broyer un produit en vrac, comportant au moins un moteur d'entraînement (10) destiné à entraîner en rotation au moins un cylindre de broyage (11). Ladite unité comprend par ailleurs une transmission (12) pourvue d'un arbre d'entrée (13) destiné au rattachement du moteur d'entraînement (10) et d'un arbre de sortie (14) avec lequel le cylindre de broyage (11) est en liaison fonctionnelle. Selon l'invention, la liaison fonctionnelle entre l'arbre de sortie (14) de la transmission (12) et le cylindre de broyage (11) comporte au moins un organe d'accouplement élastique (15, 16) permettant d'absorber élastiquement des chocs torsionnels entre l'unité composée du moteur d'entraînement (10) et de la transmission (12), comme première unité d'inertie de masse en rotation (J1), et le cylindre de broyage (11), comme deuxième unité d'inertie de masse en rotation (J2).
PCT/EP2013/058246 2012-04-27 2013-04-22 Unité d'entraînement pour broyeur destiné à broyer un produit en vrac WO2013160220A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2908496A CA2908496C (fr) 2012-04-27 2013-04-22 Unite d'entrainement pour broyeur destine a broyer un produit en vrac

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012103745.0 2012-04-27
DE102012103745A DE102012103745A1 (de) 2012-04-27 2012-04-27 Antriebseinheit für einen Brecher zur Zerkleinerung von Schüttgut

Publications (1)

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WO2013160220A1 true WO2013160220A1 (fr) 2013-10-31

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PCT/EP2013/058246 WO2013160220A1 (fr) 2012-04-27 2013-04-22 Unité d'entraînement pour broyeur destiné à broyer un produit en vrac

Country Status (3)

Country Link
CA (1) CA2908496C (fr)
DE (1) DE102012103745A1 (fr)
WO (1) WO2013160220A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014170372A1 (fr) * 2013-04-19 2014-10-23 Takraf Gmbh Broyeur à rouleaux et chaîne cinématique associée
CN104888890A (zh) * 2015-06-16 2015-09-09 南京高精齿轮集团有限公司 辊压磨机中磨辊对的动力传递系统
EP2982442A1 (fr) * 2014-08-05 2016-02-10 Siemens Aktiengesellschaft Agencement d'entraînement pour un broyeur giratoire
CN105381840A (zh) * 2014-08-26 2016-03-09 塔克拉夫有限公司 带有同步的传动系的滚筒式破碎机
DE202018101265U1 (de) 2017-03-07 2018-04-05 Bmh Technology Oy Anordnung zum Betreiben eines Brechers
EP3050627B1 (fr) * 2015-02-02 2018-08-22 Flender GmbH Dispositif d'entraînement, machine de chantier avec un tel dispositif et méthode pour utiliser un tel dispositif

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112892018B (zh) * 2021-01-20 2022-04-12 周口水建集团有限公司 一种水利工程用污水过滤装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1903340U (de) 1964-08-13 1964-10-29 Ibag Internationale Baumaschin Brecher mit bruchsicherung fuer den brecherantrieb.
DE1613181A1 (de) * 1967-07-14 1970-10-29 Klose Elektrotech Elektro-Getrieberolle
DE2732976C2 (de) * 1977-07-21 1982-08-26 Klose KG, Fabrik für Elektrotechnik und Maschinenbau, 5912 Hilchenbach Untersetzter Förderantrieb
DE19700664A1 (de) * 1997-01-10 1998-07-16 Oeding Heinrich Vorrichtung und Verfahren zur Zerkleinerung von Gesteinen und Gesteinsgemischen
EP1593435A1 (fr) 2004-04-30 2005-11-09 Edi Bondioli Dispositif de réduction pour des outils de broyeur et broyeur avec un tel dispositif
DE60127732T2 (de) 2000-06-22 2007-12-27 Komatsu Ltd. Fahrbarer Brecher

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1903340U (de) 1964-08-13 1964-10-29 Ibag Internationale Baumaschin Brecher mit bruchsicherung fuer den brecherantrieb.
DE1613181A1 (de) * 1967-07-14 1970-10-29 Klose Elektrotech Elektro-Getrieberolle
DE2732976C2 (de) * 1977-07-21 1982-08-26 Klose KG, Fabrik für Elektrotechnik und Maschinenbau, 5912 Hilchenbach Untersetzter Förderantrieb
DE19700664A1 (de) * 1997-01-10 1998-07-16 Oeding Heinrich Vorrichtung und Verfahren zur Zerkleinerung von Gesteinen und Gesteinsgemischen
DE60127732T2 (de) 2000-06-22 2007-12-27 Komatsu Ltd. Fahrbarer Brecher
EP1593435A1 (fr) 2004-04-30 2005-11-09 Edi Bondioli Dispositif de réduction pour des outils de broyeur et broyeur avec un tel dispositif

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014170372A1 (fr) * 2013-04-19 2014-10-23 Takraf Gmbh Broyeur à rouleaux et chaîne cinématique associée
EP2982442A1 (fr) * 2014-08-05 2016-02-10 Siemens Aktiengesellschaft Agencement d'entraînement pour un broyeur giratoire
WO2016020246A1 (fr) * 2014-08-05 2016-02-11 Siemens Aktiengesellschaft Dispositif d'entraînement d'un broyeur à cylindres
CN106470761A (zh) * 2014-08-05 2017-03-01 西门子公司 用于辊式破碎机的驱动装置
CN105381840A (zh) * 2014-08-26 2016-03-09 塔克拉夫有限公司 带有同步的传动系的滚筒式破碎机
EP3050627B1 (fr) * 2015-02-02 2018-08-22 Flender GmbH Dispositif d'entraînement, machine de chantier avec un tel dispositif et méthode pour utiliser un tel dispositif
US10208845B2 (en) 2015-02-02 2019-02-19 Flender Gmbh Drive arrangement
CN104888890A (zh) * 2015-06-16 2015-09-09 南京高精齿轮集团有限公司 辊压磨机中磨辊对的动力传递系统
DE202018101265U1 (de) 2017-03-07 2018-04-05 Bmh Technology Oy Anordnung zum Betreiben eines Brechers

Also Published As

Publication number Publication date
CA2908496C (fr) 2017-11-28
CA2908496A1 (fr) 2014-10-31
DE102012103745A1 (de) 2013-10-31

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