WO1998016318A1 - Procede et dispositif de surveillance automatique de machines, notamment de broyeurs, de preference, de lames de rotor - Google Patents

Procede et dispositif de surveillance automatique de machines, notamment de broyeurs, de preference, de lames de rotor Download PDF

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Publication number
WO1998016318A1
WO1998016318A1 PCT/DE1997/002314 DE9702314W WO9816318A1 WO 1998016318 A1 WO1998016318 A1 WO 1998016318A1 DE 9702314 W DE9702314 W DE 9702314W WO 9816318 A1 WO9816318 A1 WO 9816318A1
Authority
WO
WIPO (PCT)
Prior art keywords
machine
load
comminutable
comminution
rotor
Prior art date
Application number
PCT/DE1997/002314
Other languages
German (de)
English (en)
Inventor
August Van Der Beek
Thomas Spiesshofer
Willi Schneider
Erwin Kaldenbach
Original Assignee
Svedala Lindemann 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 Svedala Lindemann Gmbh filed Critical Svedala Lindemann Gmbh
Priority to JP10517901A priority Critical patent/JP2000504995A/ja
Priority to BR9712982-8A priority patent/BR9712982A/pt
Priority to AT97913090T priority patent/ATE193228T1/de
Priority to DK97913090T priority patent/DK0930941T3/da
Priority to EP97913090A priority patent/EP0930941B1/fr
Priority to DE59701784T priority patent/DE59701784D1/de
Publication of WO1998016318A1 publication Critical patent/WO1998016318A1/fr

Links

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/04—Safety devices

Definitions

  • the invention relates to a method for the automatic, load-dependent monitoring of a system of elements of a machine for generating information for the operation of the machine.
  • the invention further relates to a device for performing the method.
  • the method and device are especially designed for shredding machines such as rotor shears for shredding bulky waste with two counter-rotating, intermeshing cutting rotors mounted in parallel in a housing, each consisting of several rotor disks lined up on a shaft with cutting teeth.
  • Control devices for protecting drives which generate signals when one of the drive elements is overloaded and which act on the drive via a control device are generally known. These monitoring controls usually record drive values, e.g. Current, power, speed, torque or the like ..
  • Comminution machines of the type described above are exposed to specific high and changing loads in their operation, the high extreme values of which are caused by the parts of the feed material blocking the comminution process. These are very different in terms of their size, shape or material properties, but can ultimately be classified into parts that can be shredded and not shredded.
  • disruptive parts are inevitably removed after the forward run by so-called reversing movements due to the design of the cutting teeth and position of the rotor shears.
  • WO-PCT / JP95 / 015308 it was known for a rotor shear operating in this way to synchronize the forward running and the reversing movement with one another, but without relating the time for the forward running and the reversing movement to load data of the machine.
  • DE 34 12 306 C2 a control device for protecting an electric motor drive, in particular a document shredder, is known, which monitors the drive and generates a signal when it is overloaded, which acts on the drive via a control unit.
  • a control indicator element with a plurality of light-emitting diodes, which is controlled in stages depending on the drive values supplied to the control indicator element, the signal being generated depending on the control of one or more stages, which is a reverse run , the so-called reversing, or disengaging the drive.
  • the invention is generally based on the object of automatically monitoring the system of elements of a machine by means of mechanical, hydraulic, pneumatic, electrical and / or electronic components for generating information for protecting the machine and depending on the load, and from both an economic and constructive point of view Dimension machine elements optimally.
  • This problem is also the problem with crushing machines of the above-mentioned type, despite the crushing process of disruptive parts of the feed material, which lead to jerky, extremely high loads, to recognize the type of load on the machine, to continue operating the machine without disruptions, and in the process to reduce crushable and non-crushable feed material Distinguish, machine-related load, pressure, travel, time, sound and / or temperature-dependent measured variables to be recorded and evaluated.
  • the object is achieved by the features of claims 1 to 28.
  • the invention surprisingly showed the advantageous effect that automatic monitoring for effective, highly efficient machine operation can be implemented and the functional parts of the machine can be optimally dimensioned, that is to say the design-related use of materials can be minimized.
  • the invention controls the composition of the material to be shredded to protect and secure subsequent processes, such as e.g. the processing and recycling of shredded paper, shredded plastics and other materials that are then free of disruptive materials such as heavy parts made of ferrous metals is guaranteed.
  • FIG. 1 shows the diagram of a method variant according to the invention for a rotor shear, illustrated by means of the curves according to the machine load and the direction of rotation with a schematic representation of the removal of a non-comminutable part
  • FIG. 2 shows the diagram of a further method variant according to the invention for a rotor shear, illustrated on the basis of analogous conditions according to FIG. 1,
  • FIG. 3 shows a device for carrying out the method for a rotor shear in a schematic representation
  • Fig. 4 shows a further device for performing the method for a rotor shear in a schematic representation
  • Fig. 5 shows a third device for performing the method for a rotor shear in a schematic representation.
  • the invention is illustrated using exemplary embodiments of a basic type.
  • 1 and 2 show the method according to the invention using curve profiles in a coordinate system over the respective P-axis (pressure) and the respective t-axis (time) and the resulting kinematic processes with regard to the direction of rotation (arrows) of the cutting disks 8 ( 3, 4 and 5) a rotor shear including the removal of the heavy parts.
  • Fig. 1 From Fig. 1 it can be seen that the gradient of the rate of increase of the machine load over the pressure increase is detected as a function of an adjustable, time-differentiated combination of measured variables M1, M2.
  • machine operation runs in the shredding direction of rotation of the rotor shear.
  • the drive first reverses, after which the cutting disks 8 rotate in the opposite direction (arrows) shown in FIGS. 3, 4 and 5, and then again to take the original direction for the crushing movement.
  • the sequence is controlled such that when a first measured variable M1 at Pmax and accumulation of feed material that can be comminuted is reached, first a reversing movement of the drive, then a subsequent further movement for comminution, is initiated then, if an adjustable second measured variable is exceeded due to the presence of non-comminutable feed, the comminution process - after a possible reversal - first of all to abort, remove the non-comminutable feed and then continue in normal operation of a comminution.
  • corresponding forces F1, F2, F3, F4 are derived, in part according to one of the described methods of the Roror scissor load. measured and evaluated or formed.
  • the torque arm 1 is articulated on a piston rod 2 of a hydraulic cylinder 3 to absorb the force F1 from the rotary movement of the rotor shears.
  • a spring 4 for generating the force F2, which counteracts the force F1, is arranged between the torque arm 1 and the hydraulic cylinder.
  • a hydraulic connection 5 to a reservoir-like container 6 is connected downstream of the piston chamber of the hydraulic cylinder 3.
  • Sensors (not shown) are accommodated in the hydraulic connection 5 for the generation of the measured variables M1, M2, in order to control the process of comminuting the rotor shear comminution process typical of the invention due to the temporal differentiation of these measured variables (FIG. 1).
  • the means for the forces F1, F2 and F3 described in this way form a damping system with damping forces F4 for generating a damping decrement.
  • FIG. 4 Another variant of a device according to the invention according to FIG. 4 provides in the torque arm 1, which acts as a bending beam, a measuring element 1.1 such as strain gauges for measuring the deflection of the torque arm 1, which is connected to a measuring amplifier 1.2.
  • the torque arm 1 can also be supported as a further measuring element 1.3 with the interposition of a piezo element connected to another measuring amplifier 1.4, which measuring elements 1.1, 1.3 measure the force F1 corresponding to the rotor shear load.
  • the first 1.2 or the second measuring amplifier 1.4 evaluates the machine load according to FIGS. 1 and 2 to generate the measured variables M1, M2 and / or the gradient of the speed of the load increase in order to determine the kinematic sequence of the operation of the rotor shears - according to the method as described above - to control.
  • a device according to the invention can also lead to the implementation of the method if, between the hydraulic motor 7 and a hydraulic pump 9, a pressure sensor 7.1 for recording the gradient of the speed Discharge of the load is provided and the process sequence according to the invention is influenced via a control 7.2.
  • the method and corresponding devices according to the invention can be used particularly effectively in practice with installed software, in order to ultimately operate the machine - such as rotor shears - with on the one hand optimized comminution of bulky goods and on the other hand disposal of non-comminutable feed material in a highly efficient and gentle manner .

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)
  • Shovels (AREA)
  • Selective Calling Equipment (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention concerne un procédé et un dispositif de surveillance automatique de machines, notamment de broyeurs, de préférence, de lames de rotor, garantissant un fonctionnement performant de la machine par détection de la charge de ladite machine en fonction d'au moins une grandeur mesurée (M1, M2). Ensuite seulement est effectuée la commande de la séquence cinématique de la machine. Fig.
PCT/DE1997/002314 1996-10-11 1997-10-09 Procede et dispositif de surveillance automatique de machines, notamment de broyeurs, de preference, de lames de rotor WO1998016318A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP10517901A JP2000504995A (ja) 1996-10-11 1997-10-09 粉砕機、特にロータブレード、を自動的に監視する方法並びに装置
BR9712982-8A BR9712982A (pt) 1996-10-11 1997-10-09 Processo e dispositivo para o controle automático de máquinas trituradoras.
AT97913090T ATE193228T1 (de) 1996-10-11 1997-10-09 Verfahren und einrichtung zur automatischen überwachung von maschinen, insbesondere für zerkleinerungsmaschinen, vorzugsweise rotorscheren
DK97913090T DK0930941T3 (da) 1996-10-11 1997-10-09 Fremgangsmåde og indretning til automatisk overvågning af maskiner, særligt til findelingsmaskiner, fortrinsvis rotorskær
EP97913090A EP0930941B1 (fr) 1996-10-11 1997-10-09 Procede et dispositif de surveillance automatique de machines, notamment de broyeurs, de preference, de lames de rotor
DE59701784T DE59701784D1 (de) 1996-10-11 1997-10-09 Verfahren und einrichtung zur automatischen überwachung von maschinen, insbesondere für zerkleinerungsmaschinen, vorzugsweise rotorscheren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19641975A DE19641975C2 (de) 1996-10-11 1996-10-11 Verfahren und Einrichtung zur automatischen Überwachung von Maschinen, insbesondere für Rotorscheren
DE19641975.1 1996-10-11

Publications (1)

Publication Number Publication Date
WO1998016318A1 true WO1998016318A1 (fr) 1998-04-23

Family

ID=7808482

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1997/002314 WO1998016318A1 (fr) 1996-10-11 1997-10-09 Procede et dispositif de surveillance automatique de machines, notamment de broyeurs, de preference, de lames de rotor

Country Status (10)

Country Link
EP (1) EP0930941B1 (fr)
JP (2) JP2000504995A (fr)
KR (1) KR100334419B1 (fr)
AT (1) ATE193228T1 (fr)
BR (1) BR9712982A (fr)
CZ (1) CZ296882B6 (fr)
DE (2) DE19641975C2 (fr)
DK (1) DK0930941T3 (fr)
ES (1) ES2146090T3 (fr)
WO (1) WO1998016318A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6736342B2 (en) 2000-02-15 2004-05-18 Mayfran International B.V. Method and apparatus for comminuting chips
CN101603559B (zh) * 2009-06-25 2011-10-19 三一重工股份有限公司 检测液压系统效率参数的方法和装置及工程机械

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10056637B4 (de) 2000-11-15 2005-10-13 Metso Lindemann Gmbh Verfahren und Anlage zur Zerkleinerung von Abfall
FI20010673A (fi) 2001-03-30 2002-10-01 Metso Minerals Tampere Oy Järjestelmä tiedon keräämiseksi
DE10240048B4 (de) * 2002-08-27 2007-03-29 Weima Maschinenbau Gmbh Vorrichtung zur Zerkleinerung von schneidbaren Materialien
DE10333359B3 (de) 2003-07-23 2005-01-20 Vecoplan Maschinenfabrik Gmbh & Co. Kg Zerkleinerungsvorrichtung für Abfälle
KR100623580B1 (ko) * 2005-03-03 2006-09-14 장태균 분쇄기에서의 재료 투입량 조절 장치 및 방법
KR101223011B1 (ko) * 2011-04-22 2013-01-17 주식회사 포스코 원료 파쇄 장치 및 이를 이용한 원료 파쇄 방법
DE102015119008A1 (de) 2015-11-05 2017-05-11 Jenz Gmbh Maschinen- Und Fahrzeugbau Zerkleinerungsmaschine und deren Arbeitsverfahren

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034918A (en) * 1975-08-06 1977-07-12 Saturn Manufacturing, Inc. Drive arrangement for rotary shredding apparatus
WO1980000128A1 (fr) * 1978-07-05 1980-02-07 Metal Box Co Ltd Machines a dechiqueter
DE2937846A1 (de) 1979-09-19 1981-03-26 Engelbrecht + Lemmerbrock Gmbh + Co, 4520 Melle Maschine zum zerkleinern von sperrigem material
NL8303051A (nl) * 1983-09-01 1985-04-01 Joannes Pierre Hendricus Alexa Motorisch aangedreven inrichting voorzien van middelen ter voorkoming van overbelasting, in het bijzonder voor toepassing bij een mobiele versnipperinstallatie.
DE3412306A1 (de) 1984-04-03 1985-10-10 Feinwerktechnik Schleicher & Co, 7778 Markdorf Steuerungseinrichtung fuer den antrieb beispielsweise eines aktenvernichters oder aehnlichen geraetes
US4560110A (en) * 1982-06-17 1985-12-24 Mac Corporation Of America Current draw-actuated hydraulic drive arrangement for rotary shredder
US4793561A (en) * 1982-05-24 1988-12-27 Mac Corporation Of America Speed-responsive reversing hydraulic drive for rotary shredder
WO1996004075A1 (fr) 1994-08-04 1996-02-15 Komatsu Ltd. Procede d'entrainement d'un dechiqueteur et appareil associe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444987A (en) * 1993-07-02 1995-08-29 Alsenz; Richard H. Refrigeration system utilizing a jet enthalpy compressor for elevating the suction line pressure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034918A (en) * 1975-08-06 1977-07-12 Saturn Manufacturing, Inc. Drive arrangement for rotary shredding apparatus
WO1980000128A1 (fr) * 1978-07-05 1980-02-07 Metal Box Co Ltd Machines a dechiqueter
DE2937846A1 (de) 1979-09-19 1981-03-26 Engelbrecht + Lemmerbrock Gmbh + Co, 4520 Melle Maschine zum zerkleinern von sperrigem material
US4793561A (en) * 1982-05-24 1988-12-27 Mac Corporation Of America Speed-responsive reversing hydraulic drive for rotary shredder
US4560110A (en) * 1982-06-17 1985-12-24 Mac Corporation Of America Current draw-actuated hydraulic drive arrangement for rotary shredder
NL8303051A (nl) * 1983-09-01 1985-04-01 Joannes Pierre Hendricus Alexa Motorisch aangedreven inrichting voorzien van middelen ter voorkoming van overbelasting, in het bijzonder voor toepassing bij een mobiele versnipperinstallatie.
DE3412306A1 (de) 1984-04-03 1985-10-10 Feinwerktechnik Schleicher & Co, 7778 Markdorf Steuerungseinrichtung fuer den antrieb beispielsweise eines aktenvernichters oder aehnlichen geraetes
WO1996004075A1 (fr) 1994-08-04 1996-02-15 Komatsu Ltd. Procede d'entrainement d'un dechiqueteur et appareil associe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6736342B2 (en) 2000-02-15 2004-05-18 Mayfran International B.V. Method and apparatus for comminuting chips
CN101603559B (zh) * 2009-06-25 2011-10-19 三一重工股份有限公司 检测液压系统效率参数的方法和装置及工程机械

Also Published As

Publication number Publication date
DE59701784D1 (de) 2000-06-29
DE19641975A1 (de) 1998-04-16
KR20000049017A (ko) 2000-07-25
KR100334419B1 (ko) 2002-05-03
BR9712982A (pt) 2000-04-18
EP0930941B1 (fr) 2000-05-24
JP2000504995A (ja) 2000-04-25
CZ124599A3 (cs) 1999-12-15
ATE193228T1 (de) 2000-06-15
DK0930941T3 (da) 2000-10-02
CZ296882B6 (cs) 2006-07-12
ES2146090T3 (es) 2000-07-16
DE19641975C2 (de) 2002-11-07
EP0930941A1 (fr) 1999-07-28
JP2004105969A (ja) 2004-04-08

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