EP2628541B1 - Drive for a grinding machine - Google Patents

Drive for a grinding machine Download PDF

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Publication number
EP2628541B1
EP2628541B1 EP20130153811 EP13153811A EP2628541B1 EP 2628541 B1 EP2628541 B1 EP 2628541B1 EP 20130153811 EP20130153811 EP 20130153811 EP 13153811 A EP13153811 A EP 13153811A EP 2628541 B1 EP2628541 B1 EP 2628541B1
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EP
European Patent Office
Prior art keywords
recesses
head part
drive according
drive
chain
Prior art date
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Application number
EP20130153811
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German (de)
French (fr)
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EP2628541A1 (en
Inventor
Peter Lerchner
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.)
Recuperma GmbH
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Recuperma GmbH
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Publication date
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Publication of EP2628541A1 publication Critical patent/EP2628541A1/en
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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
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • 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
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
    • 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
    • B02C13/28—Shape or construction of beater elements
    • B02C2013/2816—Shape or construction of beater elements of chain, rope or cable type

Definitions

  • the invention relates to a drive of a crushing machine with a head part, at the end of a drive shaft is arranged.
  • Crushing machines are used in particular for the gentle and rapid shredding of different products.
  • a drive of the type mentioned also discloses, for example, the DE 43 00 784 C2 ,
  • the known drive is part of a crushing machine for crushing equipment to be disposed of hard foam or hard plastic.
  • a pressure-tight container provided, in which a drive shaft is inserted from its underside.
  • the drive terminates on the upper side with a head part, on which at least two opposing chains are fastened with their ends as striking tools.
  • the comminution takes place by the action of the flexible chain and the incipient centrifugal movement.
  • a disadvantage of this known from the prior art drive is that due to the flexible and articulated properties of the chain during the crushing process forces can occur at the junction between the head and chain, which damage the connection, which in turn impairs the functioning of the crushing machine entails.
  • the invention provides that the top part is provided on the upper side with at least two recesses open at the top and at the edge of the head part, in which removable partial regions of chain holders corresponding to the recesses are inserted accurately.
  • the core idea of the invention is to replace fixed connections between the head part of the drive and the chains by means of chain holders.
  • the headboard has on the upper side and at its edge over open recesses in which portions of chain holders can be used accurately and removably.
  • an advantageous embodiment of the invention provides that the chain holders are each provided with an eyelet, wherein the chains preferably have shackles which are fastened to the chain holder.
  • a practicable variant of the invention provides that the head part is provided from the outset with at least two opposing chains which are attached to the chain holder.
  • the head part has more than two wells.
  • the head part preferably has four or six depressions and patches and / or regions of chain holders corresponding to the depressions.
  • a further advantageous embodiment of the invention provides that the head part is provided with a lid.
  • the cover can be releasably connected to the head part, for example by means of screws.
  • Fig. 1 shows a drive according to the invention, which is provided with the reference numeral 1.
  • the drive 1 is part of a crusher and has a round head part 2, on which opposite chains 3 are attached. Below the head part 2, a bearing housing 9 connects, which surrounds the drive shaft 10.
  • the head part 2 terminates at its upper end with a lid 11, which is releasably connected by means of screws 8 with the head part 2.
  • the drive shaft 10 is arranged, which, as shown Fig. 2b emerges, protruding into the head part 2.
  • Fig. 2a shows the drive 1 with the lid 11.
  • the chains 3 have as an end member on a shackle 6, which is connected to the located on the drive 1 chain holder 5.
  • the chain holder 5 an eyelet 12 through which a bolt or pin of the shackle 6 is guided.
  • the head part 2 is provided on the upper side with recesses 7, in which also the patches 4 are located.
  • Fig. 3a illustrates that in essential to the invention, the head part 2 is provided on the upper side with at least two up and on the edge 4a of the head part 2 open recesses 7, in which two removable portions 5a of the chain holder 5 are inserted accurately. If, as in Fig. 3b shown, the head part 2 is provided with the lid 11, the recesses 7 are closed at the top and open at the edge 4a.
  • Fig. 1 to 5 shown embodiment of the drive 1 as Fig. 4 clarified, a total of six wells provided, each opposite two wells.
  • Fig. 5 showing a sectional view of the drive 1 Fig. 1 shows, clarifies, that the chain holder 5 with its portion 5a accurately fitting in an in Fig. 4 shown recess 7 is arranged.
  • the fact that the lid 11 is seated on the head part 2 ensures that movements of the chain holder 5 in the depressions 7 are prevented.
  • the recesses 7, which are milled, taper, such as out Fig. 4 shows, towards the edge 4a.
  • the side surfaces 13 of the depression 7 extending from the edge 4 a are curved and pass over into a side surface 14 that is curved toward the depression.
  • the corresponding to such a recess 7 patches 4 and chain holder 5 show the Fig. 6a to 6c , How out Fig. 6a and 6c It can be seen, the chain holder 5 and the filler 4 have arcuately shaped side surfaces 15, 18, which merge into curved side surfaces 17, 19.
  • the side surface 16 of the filler 4 opposite side surface 17, which, as from Fig.
  • part of the circular edge 4a of the head part 2 is formed correspondingly as a curvature.
  • the in the Fig. 6a and 6c shown chain holder 5, however, is designed such that its corresponding to the recess 7 portion 5a merges into a provided with the eyelet 12 circular portion 20 of the chain holder 5.
  • the present invention is not limited in its execution to the above-mentioned preferred embodiment. Rather, a number of variants are conceivable, which make use of the illustrated solution even with fundamentally different types of execution.
  • the number of recesses 7 may vary.
  • the recess 7 and thus the portion 5a of the chain holder 5 and the filler 4 other than in the Fig. 2 to 6 have shown geometries.

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

Description

Die Erfindung betrifft einen Antrieb einer Zerkleinerungsmaschine mit einem Kopfteil, an dessen Ende eine Antriebswelle angeordnet ist.The invention relates to a drive of a crushing machine with a head part, at the end of a drive shaft is arranged.

Antriebe der eingangs genannten Art sind dem Fachmann beispielsweise aus der JP 2009 2505 07 und der DE 199 03 526 A1 bekannt.Drives of the type mentioned are the expert, for example from the JP 2009 2505 07 and the DE 199 03 526 A1 known.

Zerkleinerungsmaschinen dienen insbesondere der schonenden und schnellen Zerkleinerung unterschiedlicher Produkte.Crushing machines are used in particular for the gentle and rapid shredding of different products.

Einen Antrieb der eingangs genannten Art offenbart beispielsweise auch die DE 43 00 784 C2 . Der bekannte Antrieb ist Bestandteil einer Zerkleinerungsmaschine zur Zerkleinerung von zu entsorgenden Geräten, die Hartschaum oder Hartkunststoff aufweisen.A drive of the type mentioned also discloses, for example, the DE 43 00 784 C2 , The known drive is part of a crushing machine for crushing equipment to be disposed of hard foam or hard plastic.

Für die Aufnahme der zu entsorgenden Geräte ist in der DE 43 00 784 C2 ein druckdicht verschlossener Behälter vorgesehen, in den von seiner Unterseite her eine Antriebswelle eingeführt ist.For the inclusion of the equipment to be disposed of in the DE 43 00 784 C2 a pressure-tight container provided, in which a drive shaft is inserted from its underside.

Der Antrieb schließt oberseitig mit einem Kopfteil ab, an dem als Schlagwerkzeuge wenigstens zwei sich gegenüberliegende Ketten mit ihren Enden befestigt sind. Die Zerkleinerung erfolgt dabei durch Wirkung der biegsamen Kette und der einsetzenden zentrifugischen Bewegung.The drive terminates on the upper side with a head part, on which at least two opposing chains are fastened with their ends as striking tools. The comminution takes place by the action of the flexible chain and the incipient centrifugal movement.

Ein Nachteil dieses aus dem Stand der Technik bekannten Antriebes ist es jedoch, dass aufgrund der biegsamen und gelenkigen Eigenschaften der Kette während des Zerkleinerungsvorganges Kräfte an der Verbindungsstelle zwischen Kopfteil und Kette auftreten können, die die Verbindung beschädigen, was wiederum eine Beeinträchtigung der Funktionsfähigkeit der Zerkleinerungsmaschine zur Folge hat.A disadvantage of this known from the prior art drive, however, is that due to the flexible and articulated properties of the chain during the crushing process forces can occur at the junction between the head and chain, which damage the connection, which in turn impairs the functioning of the crushing machine entails.

Es ist deshalb Aufgabe der vorliegenden Erfindung, einen Antrieb der eingangs genannten Art zur Verfügung zu stellen, der diese Nachteile vermeidet.It is therefore an object of the present invention to provide a drive of the type mentioned, which avoids these disadvantages.

Diese Aufgabe wird mit den Merkmalen des Anspruches 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.This object is achieved with the features of claim 1. Advantageous embodiments of the invention will become apparent from the dependent claims.

Die Erfindung sieht vor, dass das Kopfteil oberseitig mit mindestens zwei nach oben und an dem Rand des Kopfteiles offenen Vertiefungen versehen ist, in denen herausnehmbare, zu den Vertiefungen korrespondierende Teilbereiche von Kettenhaltern passgenau eingesetzt sind.The invention provides that the top part is provided on the upper side with at least two recesses open at the top and at the edge of the head part, in which removable partial regions of chain holders corresponding to the recesses are inserted accurately.

Kernidee der Erfindung ist es, feste Verbindungen zwischen dem Kopfteil des Antriebs und den Ketten durch Kettenhalter zu ersetzen. Hierzu verfügt das Kopfteil oberseitig und an seinem Rand über offene Vertiefungen, in denen Teilbereiche von Kettenhaltern passgenau und herausnehmbar eingesetzt werden können. Hierdurch wird vorteilhafterweise erreicht, dass mit einem geringen konstruktiven Aufwand Beschädigungen an der Verbindungsstelle zwischen Kopfteil und Kette beseitigt werden können.The core idea of the invention is to replace fixed connections between the head part of the drive and the chains by means of chain holders. For this purpose, the headboard has on the upper side and at its edge over open recesses in which portions of chain holders can be used accurately and removably. As a result, it is advantageously achieved that damage to the connection point between the head part and the chain can be eliminated with a low constructive effort.

Um das notwendige Gewicht des Antriebes zu erzielen und die Vertiefungen vor Beschädigungen und Verschmutzungen zu schützen, ist es von Vorteil, dass in den Vertiefungen herausnehmbare zu den Vertiefungen korrespondierende Füllstücke passgenau eingesetzt sind.In order to achieve the necessary weight of the drive and to protect the wells from damage and dirt, it is advantageous that removable in the wells corresponding to the wells filler pieces are accurately inserted.

Um die Kette an dem Kettenhalter zu befestigen, sieht eine vorteilhafte Ausgestaltung der Erfindung vor, dass die Kettenhalter jeweils mit einer Öse versehen sind, wobei die Ketten vorzugsweise Schäkel aufweisen, die an dem Kettenhalter befestigt sind.In order to attach the chain to the chain holder, an advantageous embodiment of the invention provides that the chain holders are each provided with an eyelet, wherein the chains preferably have shackles which are fastened to the chain holder.

Eine praktikable Variante der Erfindung sieht vor, dass das Kopfteil von vornherein mit wenigstens zwei sich gegenüberliegenden Ketten versehen ist, die an dem Kettenhalter befestigt sind.A practicable variant of the invention provides that the head part is provided from the outset with at least two opposing chains which are attached to the chain holder.

Um die Ketten an verschiedenen Stellen des Kopfteiles befestigen zu können, sieht eine weitere praktikable Variante der Erfindung vor, dass das Kopfteil mehr als zwei Vertiefungen aufweist. Vorzugsweise weist das Kopfteil vier oder sechs Vertiefungen und zu den Vertiefungen korrespondierende Füllstücke und/oder Bereiche von Kettenhaltern auf.To be able to fix the chains in different places of the head part sees Another practical variant of the invention that the head part has more than two wells. The head part preferably has four or six depressions and patches and / or regions of chain holders corresponding to the depressions.

Um die Ketten an dem Antrieb gegenüberliegend anordnen zu können, ist es von Vorteil, dass sich zwei Vertiefungen gegenüber liegen, in denen die Kettenhalter eingesetzt werden können.In order to be able to arrange the chains on the drive opposite, it is advantageous that two recesses lie opposite, in which the chain holder can be used.

Um die Füllstücke und die Kettenhalter an einer Bewegung zu hindern, sieht eine weitere vorteilhafte Ausgestaltung der Erfindung vor, dass das Kopfteil mit einem Deckel versehen ist. Der Deckel kann dabei lösbar mit dem Kopfteil, beispielsweise mittels Schrauben, verbunden sein.In order to prevent the filling pieces and the chain holder from moving, a further advantageous embodiment of the invention provides that the head part is provided with a lid. The cover can be releasably connected to the head part, for example by means of screws.

Im Weiteren wird die Erfindung anhand der Zeichnungen näher erläutert. Es zeigt in schematischer Darstellung:

Fig. 1
in perspektivischer Ansicht einen Antrieb gemäß der Erfindung,
Fig. 2a und 2b
eine Draufsicht des erfindungsgemäßen Antriebes mit und ohne Deckel und mit Kettenhalter und Ketten,
Fig. 3a und 3b
eine Draufsicht des erfindungsgemäßen Antriebes mit und ohne Deckel und mit Kettenhalter und ohne Ketten,
Fig. 4
eine Draufsicht des erfindungsgemäßen Antriebes mit Vertiefungen in dem Kopfteil,
Fig. 5
eine Schnittansicht des erfindungsgemäßen Antriebes und
Fig. 6a bis 6c
die Draufsicht eines Flächenstückes und eines Kettenhalters sowie einen Kettenhalter in perspektivischer Ansicht.
Furthermore, the invention will be explained in more detail with reference to the drawings. It shows in a schematic representation:
Fig. 1
in perspective view a drive according to the invention,
Fig. 2a and 2b
a top view of the drive according to the invention with and without cover and with chain holder and chains,
Fig. 3a and 3b
a top view of the drive according to the invention with and without cover and with chain holder and without chains,
Fig. 4
a top view of the drive according to the invention with recesses in the head part,
Fig. 5
a sectional view of the drive according to the invention and
Fig. 6a to 6c
the top view of a surface piece and a chain holder and a chain holder in a perspective view.

Fig. 1 zeigt einen erfindungsgemäßen Antrieb, der mit dem Bezugszeichen 1 versehen ist. Fig. 1 shows a drive according to the invention, which is provided with the reference numeral 1.

Der Antrieb 1 ist Bestandteil einer Zerkleinerungsmaschine und weist ein rundes Kopfteil 2 auf, an dem sich gegenüberliegende Ketten 3 befestigt sind. Unterhalb des Kopfteiles 2 schließt sich ein Lagergehäuse 9 an, das die Antriebswelle 10 umgibt. Das Kopfteil 2 schließt an seinem oberen Ende mit einem Deckel 11 ab, der mittels Schrauben 8 mit dem Kopfteil 2 lösbar verbunden ist. An dem unteren Ende des Kopfteiles 2 ist die Antriebswelle 10 angeordnet, die, wie aus Fig. 2b hervorgeht, in das Kopfteil 2 hineinragt.The drive 1 is part of a crusher and has a round head part 2, on which opposite chains 3 are attached. Below the head part 2, a bearing housing 9 connects, which surrounds the drive shaft 10. The head part 2 terminates at its upper end with a lid 11, which is releasably connected by means of screws 8 with the head part 2. At the lower end of the head part 2, the drive shaft 10 is arranged, which, as shown Fig. 2b emerges, protruding into the head part 2.

Fig. 2a zeigt den Antrieb 1 mit dem Deckel 11. Die Ketten 3 weisen als Endglied einen Schäkel 6 auf, der mit dem an dem Antrieb 1 befindlichen Kettenhalter 5 verbunden ist. Hierzu weist, wie die Fig. 3a und 3b zeigen, der Kettenhalter 5 eine Öse 12 auf, durch die ein Bolzen oder Stift des Schäkels 6 geführt ist. Wie aus Fig. 1 und Fig. 2a weiter hervorgeht, ist das Kopfteil 2 oberseitig mit Vertiefungen 7 versehen, in denen sich zudem die Füllstücke 4 befinden. Fig. 2a shows the drive 1 with the lid 11. The chains 3 have as an end member on a shackle 6, which is connected to the located on the drive 1 chain holder 5. For this purpose, how the Fig. 3a and 3b show, the chain holder 5 an eyelet 12 through which a bolt or pin of the shackle 6 is guided. How out Fig. 1 and Fig. 2a further, the head part 2 is provided on the upper side with recesses 7, in which also the patches 4 are located.

Fig. 3a verdeutlicht, dass in erfindungswesentlicher Weise das Kopfteil 2 oberseitig mit mindestens zwei nach oben und an dem Rand 4a des Kopfteiles 2 offenen Vertiefungen 7 versehen ist, in denen zwei herausnehmbare Teilbereiche 5a des Kettenhalters 5 passgenau eingesetzt sind. Wenn, wie in Fig. 3b dargestellt, das Kopfteil 2 mit dem Deckel 11 versehen ist, sind die Vertiefungen 7 nach oben abgeschlossen und an dem Rand 4a offen. Bei der in den Fig. 1 bis 5 gezeigten Ausführungsform des Antriebes 1 sind, wie Fig. 4 verdeutlicht, insgesamt sechs Vertiefungen vorgesehen, wobei sich jeweils zwei Vertiefungen gegenüberliegen. Fig. 3a illustrates that in essential to the invention, the head part 2 is provided on the upper side with at least two up and on the edge 4a of the head part 2 open recesses 7, in which two removable portions 5a of the chain holder 5 are inserted accurately. If, as in Fig. 3b shown, the head part 2 is provided with the lid 11, the recesses 7 are closed at the top and open at the edge 4a. In the in the Fig. 1 to 5 shown embodiment of the drive 1, as Fig. 4 clarified, a total of six wells provided, each opposite two wells.

Fig. 5, die eine Schnittansicht des Antriebes 1 aus Fig. 1 zeigt, verdeutlicht, dass der Kettenhalter 5 mit seinem Teilbereich 5a passgenau in einer in Fig. 4 gezeigten Vertiefung 7 angeordnet ist. Dadurch, dass der Deckel 11 auf dem Kopfteil 2 aufsitzt, ist gewährleistet, dass Bewegungen des Kettenhalters 5 in den Vertiefungen 7 unterbunden werden. Fig. 5 showing a sectional view of the drive 1 Fig. 1 shows, clarifies, that the chain holder 5 with its portion 5a accurately fitting in an in Fig. 4 shown recess 7 is arranged. The fact that the lid 11 is seated on the head part 2 ensures that movements of the chain holder 5 in the depressions 7 are prevented.

Die Vertiefungen 7, die eingefräst sind, verjüngen sich, wie beispielsweise aus Fig. 4 hervorgeht, zum Rand 4a hin. Dabei sind die sich von dem Rand 4a erstreckenden Seitenflächen 13 der Vertiefung 7 bogenförmig ausgebildet und gehen in eine zur Vertiefung hin gewölbte Seitenfläche 14 über. Die zu einer derartigen Vertiefung 7 korrespondierenden Füllstücke 4 und Kettenhalter 5 zeigen die Fig. 6a bis 6c. Wie aus Fig. 6a und 6c hervorgeht, verfügen der Kettenhalter 5 sowie das Füllstück 4 über bogenförmig ausgeformte Seitenflächen 15, 18, die in gewölbte Seitenflächen 17, 19 übergehen. Die der Seitenfläche 16 des Füllstückes 4 gegenüberliegende Seitenfläche 17, die, wie aus Fig. 2a hervorgeht, Teil des kreisförmigen Randes 4a des Kopfteiles 2 ist, ist entsprechend als Krümmung ausgebildet. Der in den Fig. 6a und 6c gezeigte Kettenhalter 5 ist dagegen derart ausgebildet, dass sein zu der Vertiefung 7 korrespondierender Teilbereich 5a in einen mit der Öse 12 versehenen kreisförmigen Bereich 20 des Kettenhalters 5 übergeht.The recesses 7, which are milled, taper, such as out Fig. 4 shows, towards the edge 4a. In this case, the side surfaces 13 of the depression 7 extending from the edge 4 a are curved and pass over into a side surface 14 that is curved toward the depression. The corresponding to such a recess 7 patches 4 and chain holder 5 show the Fig. 6a to 6c , How out Fig. 6a and 6c It can be seen, the chain holder 5 and the filler 4 have arcuately shaped side surfaces 15, 18, which merge into curved side surfaces 17, 19. The side surface 16 of the filler 4 opposite side surface 17, which, as from Fig. 2a As can be seen, part of the circular edge 4a of the head part 2, is formed correspondingly as a curvature. The in the Fig. 6a and 6c shown chain holder 5, however, is designed such that its corresponding to the recess 7 portion 5a merges into a provided with the eyelet 12 circular portion 20 of the chain holder 5.

Die vorliegende Erfindung beschränkt sich in ihrer Ausführung nicht auf das vorstehend angegebene bevorzugte Ausführungsbeispiel. Vielmehr ist eine Anzahl von Varianten denkbar, welche von der dargestellten Lösung auch bei grundsätzlich anders gearteten Ausführungen Gebrauch machen. Beispielsweise kann die Anzahl der Vertiefungen 7 variieren. Auch kann die Vertiefung 7 und somit der Teilbereich 5a des Kettenhalters 5 sowie das Füllstück 4 andere als in den Fig. 2 bis 6 gezeigte Geometrien aufweisen.The present invention is not limited in its execution to the above-mentioned preferred embodiment. Rather, a number of variants are conceivable, which make use of the illustrated solution even with fundamentally different types of execution. For example, the number of recesses 7 may vary. Also, the recess 7 and thus the portion 5a of the chain holder 5 and the filler 4 other than in the Fig. 2 to 6 have shown geometries.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Antriebdrive
22
Kopfteilheadboard
33
Kettenchain
44
Füllstückefiller
4a4a
Randedge
55
KettenhalterKettenhalter
5a5a
Teilbereichesubregions
66
SchäkelShackles
77
Vertiefungenwells
88th
Schraubenscrew
99
Lagergehäusebearing housing
1010
Antriebswelledrive shaft
1111
Deckelcover
1212
Öseeyelet
13, 14, 15, 16, 17, 18, 1913, 14, 15, 16, 17, 18, 19
Seitenflächenfaces
2020
kreisförmiger Bereichcircular area

Claims (14)

  1. Drive (1) for a crusher comprising a head part (2) at the end of which a drive shaft (10) is arranged, characterised in that the head part (2) is provided on its upper side with at least two recesses (7) which are open at the top and at the edge (4a) of the head part (2) and into which removable portions (5a) of chain holders (5) corresponding to the recesses (7) are inserted with a precise fit.
  2. Drive according to claim 1, characterised in that removable filler pieces (4) corresponding to the recesses (7) are inserted with a precise fit in the recesses (7).
  3. Drive according to either claim 1 or claim 2, characterised in that the chain holders (5) are each provided with an eye (12).
  4. Drive according to any of claims 1 to 3, characterised in that the head part (2) is provided with at least two mutually opposed chains (3) which are fastened to the chain holder (5).
  5. Drive according to claim 4, characterised in that the chains comprise shackles (6) which are fastened to the chain holder (5).
  6. Drive according to any of claims 2 to 5, characterised in that the head part (2) comprises four recesses (7) and filler pieces (4) and/or regions (5a) of the chain holder (5) corresponding to the recesses (7).
  7. Drive according to any of claims 2 to 5, characterised in that the head part (2) comprises six recesses (7) and filler pieces (4) and/or regions (5a) of the chain holder (5) corresponding to the recesses (7).
  8. Drive according to any of the preceding claims, characterised in that the recesses (7) are milled-in recesses.
  9. Drive according to any of the preceding claims, characterised in that the recesses (7) taper off towards the edge (4a).
  10. Drive according to any of the preceding claims, characterised in that the side surfaces (13) of the recess (7) which extend from the edge (4a) are curved.
  11. Drive according to claim 10, characterised in that the side surfaces (13) transition into a side surface (14) which is curved towards the recess (7).
  12. Drive according to any of the preceding claims, characterised in that two recesses (7) are mutually opposed in each case.
  13. Drive according to any of the preceding claims, characterised in that the head part (2) is provided with a cover (11).
  14. Drive according to claim 13, characterised in that the cover (11) is releasably fastened to the head part (11).
EP20130153811 2012-02-14 2013-02-04 Drive for a grinding machine Active EP2628541B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201220100485 DE202012100485U1 (en) 2012-02-14 2012-02-14 Drive a crusher

Publications (2)

Publication Number Publication Date
EP2628541A1 EP2628541A1 (en) 2013-08-21
EP2628541B1 true EP2628541B1 (en) 2014-11-05

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CN106890703B (en) * 2017-04-21 2018-09-28 山东友邦肥业科技有限公司 A kind of plain type fertilizer crusher

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DE4300784C2 (en) 1993-01-14 2003-07-17 Mewa Recycling Maschinen Und A Method and device for comminuting devices to be disposed of, which have hard foam or hard plastics
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JPH09131540A (en) * 1995-11-10 1997-05-20 Kawase Ind Kk Structure of cracking rotor in solid cracker
JP2000126628A (en) * 1998-10-27 2000-05-09 Matsumoto Tekkosho:Kk Crusher provided with rotary link chain
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JP5368004B2 (en) * 2008-04-04 2013-12-18 太平洋セメント株式会社 Crushing air dryer

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