EP0823291B1 - Vibrateur pour dispositif de tamisage - Google Patents

Vibrateur pour dispositif de tamisage Download PDF

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Publication number
EP0823291B1
EP0823291B1 EP97113308A EP97113308A EP0823291B1 EP 0823291 B1 EP0823291 B1 EP 0823291B1 EP 97113308 A EP97113308 A EP 97113308A EP 97113308 A EP97113308 A EP 97113308A EP 0823291 B1 EP0823291 B1 EP 0823291B1
Authority
EP
European Patent Office
Prior art keywords
shafts
belts
oscillating drive
eccentric shafts
drive according
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.)
Expired - Lifetime
Application number
EP97113308A
Other languages
German (de)
English (en)
Other versions
EP0823291A3 (fr
EP0823291A2 (fr
Inventor
Klaus Bleh
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.)
Svedala GfA Aufbereitungs Maschinen GmbH and Co KG
Original Assignee
Svedala GfA Aufbereitungs Maschinen GmbH and Co KG
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 GfA Aufbereitungs Maschinen GmbH and Co KG filed Critical Svedala GfA Aufbereitungs Maschinen GmbH and Co KG
Publication of EP0823291A2 publication Critical patent/EP0823291A2/fr
Publication of EP0823291A3 publication Critical patent/EP0823291A3/fr
Application granted granted Critical
Publication of EP0823291B1 publication Critical patent/EP0823291B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B06B1/166—Where the phase-angle of masses mounted on counter-rotating shafts can be varied, e.g. variation of the vibration phase
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens

Definitions

  • the present invention relates to a screening machine for dewatering and / or classifying granular Materials such as gravel, coal or ore, with one Screen frame held on a machine frame is, and with an elliptical vibration drive with two eccentric shafts, the different imbalances and synchronously and in opposite ways be driven by the drive.
  • a screening machine is known from US 3,226,989.
  • a screening machine with these features is out the publication "screening machines with elliptical Vibration and dynamic drive ", treatment technology No. 7/1982, pages 367 to 372, which is a linear actuator for draining and classifying of gravel, sand and the like.
  • This Machine sit on two waves causing imbalance Masses.
  • These eccentric shafts are at an angle from 40 ° to 50 ° to the main vibration direction arranged and synchronized via gear transmission.
  • the main swing can be the same or unequal masses in their linear or elliptical Change shape and size.
  • the most essential Disadvantage of this known embodiment is in that during synchronous running very high tooth flank forces hammering in positive and negative direction, whereby the smoothness is impaired and also a increased temperature in the transmission occurs.
  • Another major disadvantage is that an expensive Special gear is needed, its susceptibility and default rate is very high.
  • When changing the Eccentric shaft spacing is also another Transmission necessary.
  • From DE-23 56 542 B2 is a screening machine with a three-shaft drive known in which the main swing direction through the axis of the third, centered arranged wave runs.
  • the invention is based on the object, a Vibration drive of the type mentioned so form that while maintaining a low height the machine different vibration patterns set and the swing direction to be changed can, in particular also operating noise and Temperatures are reduced.
  • An advantageous embodiment is that the inertial forces of the imbalances are adjustable.
  • Keii or Timing belt on a motor console stationary between the motors are attached.
  • An advantageous embodiment provides that the eccentric shafts are driven via countershaft, the straps being mounted between the countershafts are.
  • the invention brings in particular the advantage that the synchronization forces on the belts are close to zero, so that a flutter of the Drive is eliminated.
  • Another significant advantage is that after starting the smaller Engine can be turned off and the residual forces the smaller imbalance masses taken over by the big engine which results in energy savings results. Such an energy saving also results due to the reduced temperatures and running noise.
  • With a change in the axle distance of the eccentric shafts are no new drive parts (eg gearbox) required, whereby the drive is simplified as a whole is by adding no additional drive units or a turbo coupling are required.
  • the used Belts cause by their spring action a Damping. Pollution, such as Oil leakage can be avoided.
  • the vibration drive shown in Figures 1 to 3 is on a screening machine with a sieve box 1, Siebbelägen 2 and elastic bearings 3 appropriate.
  • the actual vibration drive consists of two unbalances 7, 8, over unbalanced shafts or Eccentric shafts 14, 15 are mounted on the sieve box 1.
  • the propeller shafts 5, 6 and thus also the Eccentric shafts 14, 15 are synchronized, namely via synchronous shafts 11, which via belt 12, 13 with the motor drives 9, 10 are connected.
  • the engine console 20 is arranged on a motor stand 4. Continue to sit on both sides of an eccentric shaft 14 and 15 an imbalance 7 and 8, respectively.
  • the eccentric shafts 14, 15 as close to the center of mass as possible 16 of the screening machine are arranged.
  • the imbalances 7 and 8 rotate in opposite directions and it is due to the force diagram a swinging motion of the sieve box according to the illustrated ellipse ( Figures 1 and 5), wherein the main vibration direction 18 with the longitudinal axis 19th the ellipse 21 coincides.
  • the connecting line through the center of the eccentric shafts 14, 15 is the zero line 17, where in addition the resultant of the mass vibration forces is lowest.
  • the angle ⁇ between this line 17 and the line 18 is preferably 90 °, with still satisfactory results in the Range can be achieved up to 60 °.
  • In the "zero position" lie the imbalances 7, 8 on the zero line 17, i. the connecting line the axes of the eccentric shafts 14, 15, opposite each other, i. rotated by 180 °, so that no angular accelerations or angular delays the imbalance masses occur.
  • Fig. 5 the force diagram is shown.
  • the two dotted circles symbolize the circulating Imbalances 8 and 7, wherein the imbalance 7 in two Dimensions is shown, namely as smaller Imbalance 7 and dash-dotted as a larger imbalance 7 '. Accordingly, then there is an ellipse 21 or an ellipse 21 'at the larger imbalance 7'.
  • Based of the parallelogram of forces can be the resultant generate whose locus is the ellipse 21.
  • Some Points of the unbalance positions are indicated, and although the points 0 to 6 or 0 'to 6'. From the presentation is readily apparent that the angle between the large ellipse axis 19 and the zero line 17 is 90 °.
  • the Eccentric shafts 14, 15 can be driven via countershaft, wherein the corresponding drive belts then between the Countershafts are attached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Claims (6)

  1. Appareil de tamisage destiné à supprimer l'eau et/ou à classifier des matériaux en forme de granulés, tels que du gravier, du charbon ou du minerai, comprenant un cadre de tamisage (1), qui est maintenu sur un châssis de machine, et comprenant un entraínement oscillatoire elliptique avec deux arbres excentriques (14, 15) qui présentent des balourds différents (7, 8) et qui sont entraínés de façon synchrone et en sens opposés au moyen de l'entraínement,
    caractérisé en ce que :
    les arbres excentriques (14, 15) sont synchronisés au moyen de courroies dentées (12, 13) ;
    la ligne de liaison radiale (17) des arbres excentriques (14, 15) définit avec le grand axe (19) de l'ellipse des oscillations (21) un angle réglable fixe α de 60 à 90° ; et
    la résultante des forces de masse des balourds (7, 8) attaque de façon si proche au niveau du centre de gravité de masse (16) de l'appareil de tamisage que les basculements de l'appareil de tamisage provoqués par l'écart ne dépassent pas son amortissement propre.
  2. Entraínement oscillatoire selon la revendication 1, caractérisé en ce que les forces de masse des balourds (7, 8) sont réglables.
  3. Entraínement oscillatoire selon la revendication 1, caractérisé en ce que les courroies en coin ou les courroies dentées (12, 13) sont agencées sur une console de moteur (20) de façon stationnaire entre les moteurs (9, 10).
  4. Entraínement oscillatoire selon la revendication 1, caractérisé en ce que les arbres excentriques (14, 15) sont entraínés par une transmission intermédiaire, les courroies (12, 13) étant agencées entre les arbres de la transmission intermédiaire.
  5. Entraínement oscillatoire selon l'une des revendications 1 à 4, caractérisé en ce que la direction des oscillations et la forme des masses de balourd sont modifiables en amplitude et en position angulaire par rapport à la direction d'oscillation principale (18) par déplacement manuel ou électrique de l'un des arbres excentriques (14, 15) ou des deux.
  6. Entraínement oscillatoire selon les revendications 1 à 4, caractérisé en ce qu'un ou deux arbres de synchronisation (11) sont montés sur la console de moteur (20), via lesquels sont reliés les arbres articulés (5, 6) des moteurs (9, 10) au moyen des courroies (12, 13).
EP97113308A 1996-08-07 1997-08-01 Vibrateur pour dispositif de tamisage Expired - Lifetime EP0823291B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19631849A DE19631849C1 (de) 1996-08-07 1996-08-07 Schwingungsantrieb für eine Siebmaschine
DE19631849 1996-08-07

Publications (3)

Publication Number Publication Date
EP0823291A2 EP0823291A2 (fr) 1998-02-11
EP0823291A3 EP0823291A3 (fr) 1999-01-13
EP0823291B1 true EP0823291B1 (fr) 2005-11-09

Family

ID=7802009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97113308A Expired - Lifetime EP0823291B1 (fr) 1996-08-07 1997-08-01 Vibrateur pour dispositif de tamisage

Country Status (5)

Country Link
US (1) US5984107A (fr)
EP (1) EP0823291B1 (fr)
AT (1) ATE309055T1 (fr)
AU (1) AU719552B2 (fr)
DE (2) DE19631849C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015104041A1 (de) 2015-03-18 2016-09-22 Rhewum Gmbh Schwingungserzeugungseinheit und dadurch angetriebene Siebmaschine

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6283302B1 (en) 1993-08-12 2001-09-04 Tuboscope I/P, Inc. Unibody screen structure
US6401934B1 (en) 1993-04-30 2002-06-11 Tuboscope I/P, Inc. Ramped screen & vibratory separator system
US6269953B1 (en) 1993-04-30 2001-08-07 Tuboscope I/P, Inc. Vibratory separator screen assemblies
US6267247B1 (en) 1993-04-30 2001-07-31 Tuboscope I/P, Inc. Vibratory separator screen
US6371302B1 (en) 1993-04-30 2002-04-16 Tuboscope I/P, Inc. Vibratory separator screens
US6152307A (en) 1993-04-30 2000-11-28 Tuboscope I/P, Inc. Vibratory separator screens
US6443310B1 (en) 1993-04-30 2002-09-03 Varco I/P, Inc. Seal screen structure
US6450345B1 (en) 1993-04-30 2002-09-17 Varco I/P, Inc. Glue pattern screens and methods of production
US6186337B1 (en) 1998-10-30 2001-02-13 Tuboscope I/P, Inc. Dual screen element having upper scalping screen adhered to crests of corrugated lower screen
US6290068B1 (en) 1993-04-30 2001-09-18 Tuboscope I/P, Inc. Shaker screens and methods of use
US6565698B1 (en) 1993-04-30 2003-05-20 Varco I/P, Inc. Method for making vibratory separator screens
US6325216B1 (en) 1993-04-30 2001-12-04 Tuboscope I/P, Inc. Screen apparatus for vibratory separator
US6736270B2 (en) 1998-10-30 2004-05-18 Varco I/P, Inc. Glued screens for shale shakers
DE10117455A1 (de) * 2001-04-06 2002-11-07 Rexroth Indramat Gmbh Verfahren zum synchronisierten Betrieb von Maschinen mit durch Einzelantriebe angetriebenen Achsen
AU2003241324B2 (en) 2002-05-03 2008-11-20 General Kinematics Corporation Vibratory sand reclaiming apparatus having normal and reject modes
WO2008035214A2 (fr) * 2006-06-21 2008-03-27 W.S. Tylinter Ensemble crible destiné à séparer des matériaux selon la taille des particules
EP2279047A1 (fr) * 2008-04-22 2011-02-02 M-I L.L.C. Mouvement de séparateur vibrant
US20100206782A1 (en) * 2009-02-17 2010-08-19 Metso Minerals Industries, Inc. Cone lip assembly
CN103121008B (zh) * 2012-06-07 2015-04-01 上海智城分析仪器制造有限公司 培养振荡器的平面连杆悬臂式往复振荡机构
AT14201U1 (de) * 2013-11-15 2015-05-15 Binder Co Ag Siebmaschine mit Antrieb
CN103769365B (zh) * 2014-01-21 2015-09-30 成都西部石油装备股份有限公司 一种新型自同步双电机安装形式的振动筛
EP3165290B1 (fr) * 2015-11-06 2021-04-07 BAUER Maschinen GmbH Dispositif de production de vibrations et procede d'introduction de profile dans un sol
GB201617106D0 (en) * 2016-10-07 2016-11-23 Bailey Marshall G Screening apparatus
CN107497681A (zh) * 2017-08-19 2017-12-22 益阳胜希机械设备制造有限公司 一种小吊筛机
CN108188013B (zh) * 2017-12-22 2023-09-05 洛阳理工学院 一种具有多种振动轨迹的振动筛
CN108855911B (zh) * 2018-06-12 2021-02-02 长乐智睿恒创节能科技有限责任公司 一种节能型双层振动筛
CN112207025B (zh) * 2020-10-13 2022-04-22 神木市亿通煤化有限公司 一种可控制填料量的选矿用多级筛分装置
CN112974223A (zh) * 2021-02-07 2021-06-18 中海油田服务股份有限公司 一种分选振动筛和干湿分料设备

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US3053379A (en) * 1956-06-21 1962-09-11 Schenck Gmbh Carl Material handling vibrating machine
US3226989A (en) * 1961-11-07 1966-01-04 Litton Industries Inc Vibratory screen systems
US3704631A (en) * 1971-07-21 1972-12-05 Rex Chainbelt Inc Adjustable phase two shaft vibrator
US4196637A (en) * 1975-06-16 1980-04-08 Babbitless Vibratory device with controlled actuation
FR2355576A2 (fr) * 1976-06-21 1978-01-20 Babbitless Sa Dispositif vibrant a action dirigee
DE2630458A1 (de) * 1976-07-07 1978-01-12 Pohlig Heckel Bleichert Antreibbares vibrationsgetriebe
DE7811967U1 (de) * 1978-04-20 1978-08-17 Ibag Vertrieb Gmbh, 6730 Neustadt Antrieb fuer schwingmaschinen
US4340469A (en) * 1981-01-23 1982-07-20 Spokane Crusher Mfg. Co. Vibratory screen apparatus
US4529510A (en) * 1982-11-15 1985-07-16 Johnson Louis W Shaker screen
GB9210624D0 (en) * 1992-05-19 1992-07-01 Alfa Laval Separation Ab Vibratory screening apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015104041A1 (de) 2015-03-18 2016-09-22 Rhewum Gmbh Schwingungserzeugungseinheit und dadurch angetriebene Siebmaschine
DE102015104041B4 (de) * 2015-03-18 2020-09-10 Rhewum Gmbh Siebmaschine

Also Published As

Publication number Publication date
DE59712474D1 (de) 2005-12-15
ATE309055T1 (de) 2005-11-15
DE19631849C1 (de) 1998-01-08
EP0823291A3 (fr) 1999-01-13
US5984107A (en) 1999-11-16
EP0823291A2 (fr) 1998-02-11
AU3246897A (en) 1998-02-12
AU719552B2 (en) 2000-05-11

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