EP2428275B1 - Dispositif de broyage doté d'un réglage autolubrifié - Google Patents

Dispositif de broyage doté d'un réglage autolubrifié Download PDF

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Publication number
EP2428275B1
EP2428275B1 EP20110173750 EP11173750A EP2428275B1 EP 2428275 B1 EP2428275 B1 EP 2428275B1 EP 20110173750 EP20110173750 EP 20110173750 EP 11173750 A EP11173750 A EP 11173750A EP 2428275 B1 EP2428275 B1 EP 2428275B1
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EP
European Patent Office
Prior art keywords
cutting
movement
cutting element
path
lubricant
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.)
Not-in-force
Application number
EP20110173750
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German (de)
English (en)
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EP2428275A2 (fr
EP2428275A3 (fr
Inventor
Michael Abeln
Krampe Paul
Vogelsang Hugo
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.)
Hugo Vogelsang Maschinenbau GmbH
Original Assignee
Hugo Vogelsang Maschinenbau GmbH
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Publication of EP2428275A2 publication Critical patent/EP2428275A2/fr
Publication of EP2428275A3 publication Critical patent/EP2428275A3/fr
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Publication of EP2428275B1 publication Critical patent/EP2428275B1/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
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
    • 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
    • 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
    • B02C18/18—Knives; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2210/00—Codes relating to different types of disintegrating devices
    • B02C2210/01—Indication of wear on beaters, knives, rollers, anvils, linings and the like

Definitions

  • Cutting devices of this design are used to comminute solids, solid masses or solids-containing liquids and are used in particular as so-called.
  • Wet crusher for example in the food industry, the treatment of organic suspensions for further energy use or other agricultural uses mixed with solids mixed, flowable mixtures and in this case to crush the solids contained therein.
  • a cutting device of the type mentioned is out PCT / EP2010 / 053800 , also published as DE 20 2009 003 995 , known.
  • the first and second cutting element are formed by a fixed, circular perforated disc on the one hand and a rotating around the central axis of the perforated disc blade, which rests with a cutting edge on the surface of the perforated disc.
  • the mass to be crushed is pressed through the holes in the perforated disc and thereby crushed by passing through the holes solids by a shearing action between the knife edge and an edge bounding the respective hole by shearing.
  • an adjusting mechanism which is designed to keep the two cutting elements always in contact with each other and if possible with a defined contact force to each other. From the above-mentioned prior art, for example, an adjusting mechanism in the manner of a ball freewheel with bias is known for this purpose.
  • the invention is therefore an object of the invention to provide a crushing device, in which a high-quality crushing result is guaranteed over a longer period of operation, without the need for shorter maintenance intervals or higher maintenance costs must be accepted.
  • This object is achieved in a crushing device of the type described above, in which between a formed on the first cutting element or coupled to the first cutting member and a first surface formed on the second cutting element or coupled to the second cutting element component second surface formed cavity filled cavity, the volume of which is reduced by an adjusting movement of the second cutting element along the second movement path and which is in fluid communication with the positive connection in the supply of lubricant to the positive connection.
  • the invention is based first of the finding that the decreasing over a prolonged period of operation with demanding crushing cutting effect has its cause in that the positive connection for transmitting the cutting movement between the first and second cutting element, so the relative movement along the first trajectory, as a result of such stress no longer reliably allows the adjustment movement along the second path of movement.
  • This is due to the fact that subsidence phenomena occur in this positive connection on the one hand by cyclic stress, on the other hand, but also by this type of stress in conjunction with the often aggressive media whose access to the positive connection can not always be reliably prevented, an adhesive effect associated with by corrosion or pollution-related adhesive forces, whereby a movement along the second movement path counteracting clamping can occur.
  • a located in the cavity lubricant is promoted by this configuration at each readjustment movement with the resulting reduction in volume of the cavity in small portions between the relatively moving parts of the positive connection and thereby causes a running and low-dose lubrication of the positive connection.
  • This lubrication is achieved without an additional lubricant pump or the like and without their own drive and takes place in a metered manner by the self-lubricating readjustment itself.
  • the cavity can be sized such that over a long period of time a supply of lubricant is ensured in the positive connection, In particular, it can be provided that the cavity can be refilled with lubricant from the outside. For example, this may be necessary if one of the two cutting elements or both must be replaced due to serious wear and the Nachstellmechanismus is thereby reset to an initial position, whereby the cavity is expanded to its initial size and then filled with lubricant.
  • the inventively provided first cutting element may preferably be a releasably but immovably mounted in the crushing device element, in particular a perforated plate having a plurality of openings whose boundary edges form the first cutting edges.
  • the second cutting element may in particular comprise a cutting blade or a plurality of cutting blades, which are moved on a cutting path movement in contact with the first cutting element, in particular rotate on a circular path about an axis of rotation. The cutting edge of this cutting blade then forms the second cutting edge.
  • the cutting knife can perform a second movement in a different direction along the second movement path with which it is tracked for permanent abutment on the first cutting element. In principle, it should be understood that this tracking movement could also be carried out by a movement of the first cutting element.
  • the adjusting mechanism can be actuated in particular by a mechanical or hydraulic biasing force and preferably comprises in particular a backstop, which reliably prevents lifting of the two cutting elements from an abutting position.
  • this adjusting mechanism is effected via a mobility in a form-locking connection, which is also designed to transmit a movement to the first cutting element. It should be understood that as of the Invention equally includes embodiments are to be understood, in which one of the two cutting elements is set by a drive device in motion to perform the cutting movement and the other of the two cutting elements is positively held and readjusted by the adjusting mechanism along a movable axis of this positive connection for wear compensation.
  • the cutting and adjusting movement can be carried out by a single one of the two cutting elements with respect to an otherwise fixed in the cutting device other cutting element, the cutting and Nachstellieri but also divided into two cutting elements can be performed by one of the two cutting elements driven for the cutting movement and the other of the two cutting elements for the Nachstelldoch is driven.
  • Decisive here is that for the purpose of Nachstellterrorism a positive connection between the trailing cutting element and serving for its drive or to its support element of the crushing device is carried out according to the invention gleichactedd a relative to the crushing device moving drive element or a statically against this cutting movement the cutting element holding element is understood.
  • the direction of the first movement path is different from the direction of the second movement path, in order to realize cutting effects on the one hand and adjusting movements on the other.
  • the first axial direction is a rotational movement for transmitting a torque and the first trajectory is a closed circular path.
  • a preferred form of movement for efficient operation is implemented, in which the first axial direction consequently changes continuously and is always along the closed circular path.
  • the second axial direction is parallel to the second movement path.
  • an implementation of the adjustment without the need of deflection mechanisms, levers or the like is achieved, whereby a direct power transmission within the adjustment mechanism is possible.
  • the second movement path is parallel to the axis of this circular trajectory.
  • first movement path is perpendicular to the second movement path.
  • the arrangement of the first to the second movement path achieved in this way achieves an efficient readjusting movement to compensate for the wear caused by the movement along the first movement path.
  • the first cutting element is a perforated disc and a plurality of first cutting edges are formed by openings in the perforated disc bounding walls
  • the second cutting element comprises a rotating on the surface of the perforated disc along the first movement path.
  • the perforated disc may in this case be in particular circular and have a multiplicity of openings, such as bores, triangular or trapezoidal recesses or passage openings of other cross section.
  • this design enables an efficient media guidance, in that the openings of the first cutting element are flowed through by the solids to be cut.
  • effective cutting action provided by many cutting edges on the first cutting element is achieved by forming a plurality of first cutting edges on the first cutting element by the boundary edges of the openings and having one or more cutting edges in the shape of those on the first cutting edge Cutting element rotating blades are formed.
  • the second cutting element comprises a rotating on the surface of the first cutting element along the first path of movement, and the positive connection between a blade receiving the knife holder and a knife driving the drive shaft is formed.
  • the drive element is formed by a drive shaft, which can be driven for example by an electric motor and causes a rotating movement of the blade on the first cutting element.
  • the second cutting element are also formed by a plurality, for example two, three or four knives, which are spaced apart from each other by a circumferential angle and are driven together.
  • the drive shaft is axially displaced even for an axial displacement movement of the second cutting element or that for this purpose another element, For example, a pull or push rod, which is guided in a drive shaft designed as a hollow shaft, causes this axial movement for the readjustment movement.
  • the second axial direction is parallel to the axis of rotation of the drive shaft.
  • the Nachstell Gay is achieved as axial movement of the drive shaft itself or along the drive shaft extending element of the Nachstellmechanismus.
  • the lubricant-filled cavity between an axial end face of a first cutting element driving and positively connected to the first cutting element via the positive connection drive shaft and an axial end face of a holder connected to the first cutting element holder for the first cutting element is relative to the drive shaft is movably mounted in the form-locking connection in an axially displaceable manner along the second axial direction.
  • a compact structural design for transmitting the cutting movement and the Nachstellterrorism is achieved by an axially displaceable, but tight in torque positive connection between a drive shaft and a holder for the first cutting element, such as a knife holder, which the formation of the cavity according to the invention and the From this cavity executed supply of lubricant realized in the formed in the positive connection lubrication gap for the axial movement.
  • both the axial end face of the holder and the axial end face of the drive shaft may be an end face in the form of a full circle or an annular end face or even circumferential segments of such a full circle or an annular surface.
  • the cavity adjacent these two end faces is also limited by corresponding side walls, which may be formed either on the holder or on the drive shaft or formed by both sides, formed on both drive shaft and holder, circumferentially extending walls.
  • the lubricant-filled cavity is connected to a lubricant nipple for supplying lubricant into the cavity.
  • This configuration makes it possible to fill the cavity with new lubricant at regular maintenance intervals, it being understood in principle that the cavity can always be filled with such an amount of lubricant that it lubricates the positive connection over the entire adjusting period of the operation of a cutting element pairing ensures, ie the installation of new Cutting elements to 29ißißinged change of these cutting elements, and then to fill after initialization of the adjusting mechanism to an initial position and replacement of the one or both cutting elements, the cavity with new lubricant.
  • the lubricant according to the invention is in particular a hydrocarbon-based grease, in particular mineral oil-based, although other lubricants such as silicone-containing lubricants, graphite-containing lubricants, soap-based lubricants or liquid lubricants such as mineral oils or synthetic oils can be used.
  • the positive connection is a positive shaft-hub connection between a shaft driving the second cutting element and a hub body holding the second cutting element, in particular a splined connection or a feather key connection.
  • a form-fitting connection makes use of components which are known and proven for reliable torque transmission and in particular enable a reliable sliding movement in the axial direction of the shaft by means of the automated lubricant supply according to the invention, which can be used for adjustment by means of the adjusting mechanism.
  • the comminution device comprises an inlet opening 10, through which solids-laden liquids are supplied which is bounded laterally by a tubular housing 11.
  • the solids-laden liquid impinges on an annular orifice plate 20 which is provided with a plurality of openings through which the solids and the liquid can pass.
  • the perforated disc is fixedly mounted on an outlet housing 30 into which the solids-laden fluid enters after the comminution of the solids contained therein and can leave this outlet housing through an outlet opening 31 in the radial direction.
  • a knife holder 40 with a total of 4 arranged thereon knives 41 a, b is arranged on the side facing the inlet opening of the perforated disc 20.
  • the knives 41 a, b lie with their cutting edges on the surface 21 of the perforated disc 20 facing the inlet opening.
  • Each knife 41 a, b extends in the radial direction, starting from a rotational axis 100 concentric with the central longitudinal axis of the perforated disk 20.
  • the knife holder 40 with the knives 41 a, b fastened thereto is set in rotary motion by means of a drive shaft 50 about this axis of rotation 100, as a result of which the knives slide in a rotating manner on the perforated disc 40.
  • a shearing action is achieved between the knife edges and the boundary edges of the holes within the perforated disc, which results in the comminution of the solids entering the holes.
  • the rotational movement is transmitted from the shaft 50 to the knife holder 40 via a shaft-hub connection 51.
  • the shaft-hub connection allows axial movement of the knife holder 40 to the shaft 50, which is used by a plurality of eccentrically arranged in the axial direction of the shaft 50 tension springs 60 a, b to the blades 41 a, b with a defined biasing force on the surface 21st the perforated disc 20 to press.
  • a ball locking mechanism 70 prevents the blades from springing back out of position against the perforated disc 20, thus achieving a lasting abutment between the blades and the perforated disc.
  • the shaft 50 is driven by a drive motor 90 and transmits the rotary motion to the blades 41a, b.
  • Fig. 2 shows in detail the automatic lubrication of the formed in the interlocking connection, relatively moving surfaces.
  • a cavity 80 is formed between the end face 52 of the shaft 50 and the frontal bottom 42 of a blind hole in which the shaft end 50a of the shaft 50 is received, of the knife holder 40.
  • This cavity 80 is connected via a bore 80 with a grease nipple facing the inlet opening 10 and can be filled with grease via this grease nipple 82 and the bore 81.
  • a positive shaft-hub connection is designed so that an axial displaceability between the blade holder 40 and the shaft 50 is possible, wherein the key 54 in the in Fig. 2 shown position with respect to the shaft remains fixed and the blade holder 40 can move in the axial direction relative to the shaft 50 and key 54.
  • Fig. 2 shows the starting position with newly inserted blades 41a and newly inserted orifice plate 20 with maximum volume of the cavity 80. From the in Fig. 2 As shown, the blade holder 40 can move along the shaft 50 in the pulling direction of the springs 60. In this movement, the cavity 80 is reduced in volume and the blades 41 a, b delivered in the direction of the perforated disc 20.
  • a lubricating gap 83 is formed between the circumferential inner walls 46 of the blind hole in the knife holder 40 and the peripheral outer wall 56 of the shaft 50, which allows the entry of lubricant from the cavity 80.
  • the lubricating gap 83 is dimensioned so small that an undesired escape of lubricant from the cavity 80 is prevented, but at the same time the lubricant can enter into this lubrication gap, if the cavity 80 is reduced in its volume by an axial relative movement between the shaft 50 and knife holder 40 and thereby lubricant is pressed out of the cavity.
  • FIGS. 3 and 4 show a second embodiment of the invention.
  • the drive shaft 150 is designed as a hollow shaft and transmits the torque by means of a splined connection 154 on the blades 141 a, d.
  • the knives 141 a, d are axially movable but guided torque-tight with respect to the hollow shaft 50 in the splined connection 154 and can thereby perform an adjusting movement of the cutting blades 141 a, b on a cutting screen 120.
  • a pull rod 160 is guided.
  • the pull rod 160 transmits the axial clamping and adjusting force of a Nachstellantriebsvorraumraum provided at the axial end 161 of the tie rod 160 (not shown) on a Nachstellmaielement 162.
  • this tensile force can be achieved by the pull rod 160 is designed as a threaded rod and in an external thread in the Nachstelltikelement 162 is screwed and an axial movement of the Nachstelltikettis 162 is effected by appropriate rotation of the tie rod 160 with simultaneous axial fixation of this tie rod.
  • the pull rod can also be firmly fixed in the adjuster pressure element 162, for example screwed in, and be exerted and caused by an axial movement of the drawbar itself, for example by means of a screw engaging in the screw, a tensile force and movement.
  • a cavity 180 is arranged in the via a lubricating nipple 182 and a lubricating bore 181st Lubricant can be filled from the outside.
  • This cavity reduces its volume due to the approach of the end faces 153, 163, when an adjustment movement of the Nachstelltellelements 162 takes place in the direction of the arrows 101.
  • lubricant arranged in the cavity 180 is pressed into the lubricating gap 183 in the area of the splined connection and thereby reliably ensures mobility and reliable readjusting movement of the cutting blades 141a-d with respect to the cutting screen 120.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • General Details Of Gearings (AREA)

Claims (11)

  1. Dispositif de broyage, comportant :
    - un premier élément de coupe (20 ; 120) comportant au moins une première arête de coupe,
    - un deuxième élément de coupe (40a, b ; 140a, b), mobile par rapport au premier élément de coupe sur une première voie de mouvement et comportant au moins une deuxième arête de coupe,
    ledit deuxième élément de coupe étant en appui contre le premier élément de coupe de telle sorte que sous l'effet du mouvement relatif du deuxième élément de coupe le long de la première voie de mouvement, il se produit une action de cisaillement entre ladite au moins une première arête de coupe et ladite au moins une deuxième arête de coupe,
    - un mécanisme de réglage (50, 60, 70 ; 160) qui règle le deuxième élément de coupe par rapport au premier élément de coupe sur une deuxième voie de mouvement, de telle sorte qu'en cas d'usure du premier et/ou du deuxième élément de coupe par suite du mouvement relatif le long de la première voie de mouvement, le premier élément de coupe est aligné pour un appui permanent contre le premier élément de coupe,
    un assemblage par conjugaison de forme (54 ; 154) étant réalisé entre le deuxième élément de coupe et un élément de transmission (50; 150) pour transmettre la force de coupe le long de la première voie de mouvement, ledit assemblage par conjugaison de forme étant réalisé de manière solidaire dans une première direction axiale pour transmettre la force d'entraînement nécessaire pour la première voie de mouvement, et de manière mobile dans une deuxième direction axiale (100) pour mettre en oeuvre le mouvement de réglage le long de la deuxième voie de mouvement,
    caractérisé en ce qu'entre une première surface (52 ; 153), réalisée sur le premier élément de coupe ou sur une pièce couplée au premier élément de coupe, et une deuxième surface (42 ; 163), réalisée sur le deuxième élément de coupe ou sur une pièce couplée au deuxième élément de coupe, est réalisée une cavité (180) remplie de lubrifiant, dont le volume diminue sous l'effet d'un mouvement de réglage du deuxième élément de coupe le long de la deuxième voie de mouvement et qui est en liaison fluidique avec l'assemblage par conjugaison de forme afin d'acheminer le lubrifiant vers l'assemblage par conjugaison de forme.
  2. Dispositif de broyage selon la revendication 1, caractérisé en ce que la première direction axiale est un mouvement de rotation pour transmettre un couple de rotation et la première voie de mouvement est une voie circulaire fermée.
  3. Dispositif de broyage selon la revendication 1 ou 2, caractérisé en ce que la deuxième direction axiale est parallèle à la deuxième voie de mouvement.
  4. Dispositif de broyage selon l'une quelconque des revendications précédentes, caractérisé en ce que la deuxième voie de mouvement est perpendiculaire à la première voie de mouvement.
  5. Dispositif de broyage selon l'une quelconque des revendications précédentes, caractérisé en ce que
    - le premier élément de coupe est un disque perforé (20 ; 120) et une pluralité de premières arêtes de coupe est constituée par des orifices dans des parois délimitant le disque perforé, et
    - le deuxième élément de coupe comporte une lame de coupe (41 a, b ; 141a-d) tournant sur la surface du disque perforé le long de la première voie de mouvement.
  6. Dispositif de broyage selon l'une quelconque des revendications précédentes, caractérisé en ce que
    - le deuxième élément de coupe comporte une lame de coupe tournant sur la surface du premier élément de coupe le long de la première voie de mouvement, et
    - l'assemblage par conjugaison de forme est réalisé entre un porte-lame (40), portant la lame de coupe, et un arbre d'entraînement (50 ; 150) actionnant la lame de coupe.
  7. Dispositif de broyage selon la revendication précédente, caractérisé en ce que la deuxième direction axiale est parallèle à l'axe de rotation de l'arbre d'entraînement.
  8. Dispositif de broyage selon l'une quelconque des revendications précédentes, caractérisé en ce que la cavité (80 ; 180) remplie de lubrifiant est entre une face frontale axiale (52 ; 153) d'un arbre d'entraînement (50 ; 150), actionnant le premier élément de coupe (41a, b ; 141a-d) et relié par conjugaison de forme au premier élément de coupe au moyen de l'assemblage par conjugaison de forme, et une face frontale axiale (42 ; 163) d'un support pour le premier élément de coupe, lequel est relié au premier élément de coupe et est logé de manière mobile par rapport à l'arbre d'entraînement dans l'assemblage par conjugaison de forme en pouvant se déplacer axialement le long de la deuxième direction axiale.
  9. Dispositif de broyage selon l'une quelconque des revendications précédentes, caractérisé en ce que la cavité remplie de lubrifiant est reliée à un raccord de graissage (82 ; 182) pour acheminer le lubrifiant dans la cavité.
  10. Dispositif de broyage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'assemblage par conjugaison de forme est un assemblage arbre-moyeu (54 ; 154) entre un arbre actionnant le deuxième élément de coupe et un corps de moyeu maintenant le deuxième élément de coupe, en particulier un assemblage à arbres cannelés ou un assemblage à rainure et languette.
  11. Procédé permettant de régler les éléments de coupe (20 ; 41a, b ; 120 ; 141 a, b) d'un dispositif de broyage, comportant les étapes :
    - transmission d'un mouvement de coupe par un élément d'entraînement (50 ; 150) sur un des deux éléments de coupe via un assemblage par conjugaison de forme,
    - pression des deux éléments de coupe l'un sur l'autre pour générer au cours du mouvement de coupe une action de cisaillement entre les arêtes de coupe réalisées sur les éléments de coupe,
    - réglage des deux éléments de coupe dans le cas d'un abrasion due à l'usure des éléments de coupe, afin de maintenir le contact entre les deux éléments de coupe, par l'intermédiaire d'une mobilité, mise à disposition dans l'assemblage par conjugaison de forme, le long d'un axe dont la direction est différente de la direction de transmission de la force nécessaire pour le mouvement de coupe,
    - mise à disposition d'une cavité (180), qui est délimitée par au moins deux surfaces déplacées l'une vers l'autre pendant le mouvement de réglage et dont le volume diminue de ce fait au moment du réglage des deux éléments de coupe l'un par rapport à l'autre, et
    - remplissage de la cavité avec un lubrifiant et liaison de la cavité à une surface limite (183) entre deux surfaces dans l'assemblage par conjugaison de forme, lesquelles sont déplacées l'une par rapport à l'autre pendant le mouvement de réglage de l'une par rapport à l'autre, afin de transporter le lubrifiant hors de la cavité entre lesdites surfaces déplacées l'une par rapport à l'autre.
EP20110173750 2010-09-09 2011-07-13 Dispositif de broyage doté d'un réglage autolubrifié Not-in-force EP2428275B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010012373U DE202010012373U1 (de) 2010-09-09 2010-09-09 Zerkleinerungsvorrichtung mit selbstgeschmierter Nachstellung

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EP2428275A2 EP2428275A2 (fr) 2012-03-14
EP2428275A3 EP2428275A3 (fr) 2012-04-18
EP2428275B1 true EP2428275B1 (fr) 2014-06-18

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DE102014003702A1 (de) 2014-03-14 2015-10-01 Stapel Gmbh Vorrichtung zum Zerkleinern von Fremdkörpern in einer Flüssigkeit
CN104759330B (zh) * 2015-03-17 2018-11-23 江苏水之韵生态农业发展有限公司 一种生态甲鱼养殖食料粉碎装置
CN105088926B (zh) * 2015-07-24 2017-09-22 林焱 一种减震的道路施工装置
DE102018106878B4 (de) 2018-03-22 2021-11-25 Börger GmbH Zerkleinerer mit wenigstens einer Lochscheibe und mit wenigstens einem der Lochscheibe zugeordneten Messer
CN111702955B (zh) * 2020-07-01 2021-08-17 赵郁 一种用于土木实验材料制备装置

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FI940438A0 (fi) * 1994-01-28 1994-01-28 Nordberg Lokomo Oy Reglerbar kross
DE29910596U1 (de) * 1999-06-17 1999-09-09 Hugo Vogelsang Maschinenbau Gm Vorrichtung zum Zerkleinern von Feststoffen in inhomogenen Flüssigkeiten
DE202009003995U1 (de) 2009-03-25 2010-08-19 Hugo Vogelsang Maschinenbau Gmbh Schneidvorrichtung

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EP2428275A2 (fr) 2012-03-14
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