EP1128908A1 - Hammer crusher - Google Patents

Hammer crusher

Info

Publication number
EP1128908A1
EP1128908A1 EP99950766A EP99950766A EP1128908A1 EP 1128908 A1 EP1128908 A1 EP 1128908A1 EP 99950766 A EP99950766 A EP 99950766A EP 99950766 A EP99950766 A EP 99950766A EP 1128908 A1 EP1128908 A1 EP 1128908A1
Authority
EP
European Patent Office
Prior art keywords
hammer
rotor
hammers
diameter
hammer crusher
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.)
Granted
Application number
EP99950766A
Other languages
German (de)
French (fr)
Other versions
EP1128908B1 (en
Inventor
Hermann Mecklenfeld
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Krupp Foerdertechnik 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 Krupp Foerdertechnik GmbH filed Critical Krupp Foerdertechnik GmbH
Publication of EP1128908A1 publication Critical patent/EP1128908A1/en
Application granted granted Critical
Publication of EP1128908B1 publication Critical patent/EP1128908B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • B02C2013/2808—Shape or construction of beater elements the beater elements are attached to disks mounted on a shaft

Definitions

  • the invention relates to a hammer crusher, the at least one rotor of which is formed by at least one beater disk, on which - regularly distributed over its circumference - impact hammers are arranged, each impact hammer being freely rotatable about a retaining bolt within a vibration chamber.
  • the hammer breakers can have a plurality of rotors and a plurality of beater discs can be arranged one behind the other on each rotor.
  • Hammer breakers of the aforementioned type are to be understood in particular as those hammer breakers whose disc diameter is between 1600 and 2400 mm.
  • the invention has for its object to design a hammer crusher such that it does not have the aforementioned disadvantages of the known hammer crusher.
  • the large hammer projection makes it possible to make the cross section of the impact hammers much larger than is possible with the known hammer breakers.
  • the resulting high moment of inertia about the respective axis of the holding bolts in question significantly increases the breaking effect of the individual impact hammers.
  • larger pieces of rock are crushed better by the impact hammers, for example large pieces of rock are chipped off much larger pieces than was possible with the known hammer breakers.
  • the aforementioned improvements in the hammer crusher according to the invention lead to a substantially higher material throughput than the known hammer crusher.
  • the axis of the rotor has a pentagonal cross section, the surfaces of the pentagon of the axis facing the vibration chambers of the impact hammers. This gives the axis of the rotor an optimal area moment of inertia.
  • a rotor 1 of a hammer crusher is shown, arranged one behind the other Racket disks 2 are regularly distributed over the circumference of each five impact hammers 3.
  • Each percussion hammer 3 can be freely rotated about a holding pin 4 within an oscillating space 5, which is slightly larger than the oscillating circuit 6 of the percussion hammers 3.
  • the difference between the diameter DR of the rotor 1 and the diameter DS of the club discs 2 is chosen to be as large as possible, so that there is a relatively large hammer overhang HÜ. This is achieved on the one hand by the fact that the vibrating spaces 5 are as close as possible to one another, while on the other hand the diameter DS of the beater discs 2 is only larger by such a dimension than the diameter DT of the pitch circle 7 on which the retaining bolts 4 for the percussion hammers 3 are arranged are so that the retaining bolts 4 are held sufficiently securely in the club discs 2.
  • the axis 8 of the rotor 1 has a pentagonal cross section, the surfaces of the pentagon each facing the oscillation chambers 5.

Landscapes

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

Abstract

The invention relates to a hammer crusher which comprises at least one rotor (1) which is formed by at least one beater plate (2). Hammers (3) are arranged evenly distributed along the periphery of said plate. Every hammer (3) can be freely moved about a locking bolt (4) within a oscillating space (5). On every beater plate (2) five hammers (3) each are arranged. The difference between the diameter (DR) of the rotor (1) and the diameter (DS) of the beater plates (2) and thus the projection of the hammer (HU) is chosen as large as possible. The distances between the oscillating spaces (5) for the hammers (3) are as small as possible.

Description

Hammerbrecher Hammer breaker
Be s ehr e ibungBe honest
Die Erfindung betrifft einen Hammerbrecher, dessen mindestens einer Rotor durch mindestens eine Schlägerscheibe gebildet ist, auf der - über deren Umfang regelmäßig verteilt - Schlaghämmer angeordnet sind, wobei jeder Schlaghammer um einen Haltebolzen innerhalb eines Schwingraumes frei drehbar ist.The invention relates to a hammer crusher, the at least one rotor of which is formed by at least one beater disk, on which - regularly distributed over its circumference - impact hammers are arranged, each impact hammer being freely rotatable about a retaining bolt within a vibration chamber.
Die Hammerbrecher können mehrere Rotoren aufweisen und auf jedem Rotor können mehrere Schlägerscheiben hintereinander angeordnet sein.The hammer breakers can have a plurality of rotors and a plurality of beater discs can be arranged one behind the other on each rotor.
Unter Hammerbrechern der vorgenannten Art sind insbesondere solche Hammerbrecher zu verstehen, deren Scheibendurchmesser zwischen 1600 und 2400 mm beträgt.Hammer breakers of the aforementioned type are to be understood in particular as those hammer breakers whose disc diameter is between 1600 and 2400 mm.
Bei derartigen Hammerbrechern sind in aller Regel auf jeder Schlägerscheibe jeweils sechs Schlaghämmer angeordnet. Wegen des für die Schwingräume der Schlaghämmer benötigten Raumes ist bei diesen Hammerbrechern der Hammerüberstand nur sehr gering. Dies hat zur Folge, daß größere Materialteile nicht eingezogen werden können. Auch ist - abhängig von der jeweils zu brechenden Gesteinsart - die Brechwirkung der bekannten Hammerbrecher sehr gering.With hammer breakers of this type, six percussion hammers are generally arranged on each club disc. Because of the space required for the vibrating chambers of the percussion hammers, the hammer overhang with these hammer breakers is only very small. As a result, larger parts of the material cannot be drawn in. Depending on the type of rock to be crushed, the crushing effect of the known hammer crushers is also very low.
Der Erfindung liegt die Aufgabe zugrunde, einen Hammerbrecher derart auszubilden, daß er die vorgenannten Nachteile der bekannten Hammerbrecher nicht aufweist.The invention has for its object to design a hammer crusher such that it does not have the aforementioned disadvantages of the known hammer crusher.
Die Lösung der gestellten Aufgabe besteht bei einem Hammerbrecher der eingangs genannten Art darin, - daß auf jeder Schlägerscheibe jeweils fünf Schlag- hämmer angeordnet sind,The solution to the problem in a hammer crusher of the type mentioned at the outset is - that five hammers are arranged on each club disc,
- daß die Differenz zwischen dem Durchmesser des Rotors und dem Durchmesser der Schlägerscheiben - und damit der Hammerüberstand - möglichst groß gewählt ist- That the difference between the diameter of the rotor and the diameter of the club discs - and thus the hammer projection - is chosen as large as possible
- und daß die Schwingräume für die Schlaghämmer einen möglichst geringen Abstand voneinander aufweisen.- And that the vibration chambers for the percussion hammers have the smallest possible distance from each other.
Der große Hammerüberstand ermöglicht es, den Querschnitt der Schlaghämmer wesentlich größer auszuführen, als es bei den bekannten Hammerbrechern möglich ist. Durch das sich dadurch ergebende hohe Massenträgheitsmoment um die jeweilige Achse der betreffenden Haltebolzen wird die Brechwirkung der einzelnen Schlaghämmer wesentlich er- höht. Darüber hinaus werden von den Schlaghämmern auch größere Gesteinsstücke besser zerkleinert, beispielsweise werden von großen Gesteinsbrocken wesentlich größere Teile abgeschlagen, als es mit dem bekannten Hammerbrechern möglich war. Die vorgenannten Verbesse- rungen bei dem erfindungsgemäßen Hammerbrecher führen zu einem wesentlich höheren Materialdurchsatz gegenüber den bekannten Hammerbrechern.The large hammer projection makes it possible to make the cross section of the impact hammers much larger than is possible with the known hammer breakers. The resulting high moment of inertia about the respective axis of the holding bolts in question significantly increases the breaking effect of the individual impact hammers. In addition, larger pieces of rock are crushed better by the impact hammers, for example large pieces of rock are chipped off much larger pieces than was possible with the known hammer breakers. The aforementioned improvements in the hammer crusher according to the invention lead to a substantially higher material throughput than the known hammer crusher.
In Ausgestaltung der Erfindung weist die Achse des Rotors einen fünfeckigen Querschnitt auf, wobei die Flächen des Fünfecks der Achse den Schwingräumen der Schlaghämmer zugewandt sind. Hierdurch erhält die Achse des Rotors ein optimales Flächenträgheitsmoment.In an embodiment of the invention, the axis of the rotor has a pentagonal cross section, the surfaces of the pentagon of the axis facing the vibration chambers of the impact hammers. This gives the axis of the rotor an optimal area moment of inertia.
Im folgenden wird die Erfindung anhand eines Ausführungsbeispiels in Verbindung mit der Zeichnung näher erläutert.The invention is explained in more detail below using an exemplary embodiment in conjunction with the drawing.
In der Zeichnung ist ein Rotor 1 eines Hammerbrechers dargestellt, an dessen hintereinander angeordneten Schlägerscheiben 2 über deren Umfang regelmäßig verteilt jeweils fünf Schlaghämmer 3 angelenkt sind. Jeder Schlaghammer 3 ist um einen Haltebolzen 4 innerhalb eines Schwingraumes 5, der geringfügig größer als der Schwingkreis 6 der Schlaghämmer 3 ist, frei drehbar.In the drawing, a rotor 1 of a hammer crusher is shown, arranged one behind the other Racket disks 2 are regularly distributed over the circumference of each five impact hammers 3. Each percussion hammer 3 can be freely rotated about a holding pin 4 within an oscillating space 5, which is slightly larger than the oscillating circuit 6 of the percussion hammers 3.
Die Differenz zwischen dem Durchmesser DR des Rotors 1 und dem Durchmesser DS der Schlägerscheiben 2 ist möglichst groß gewählt, so daß sich ein verhältnismäßig großer Hammerüberstand HÜ ergibt. Dies wird einerseits dadurch erreicht, daß die Schwingräume 5 einen möglichst geringen Abstand voneinander aufweisen, während andererseits der Durchmesser DS der Schlägerscheiben 2 nur um ein solches Maß größer ist als der Durchmesser DT des Teilkreises 7, auf dem die Haltebolzen 4 für die Schlaghämmer 3 angeordnet sind, damit die Haltebolzen 4 in der Schlägerscheiben 2 ausreichend sicher gehalten sind.The difference between the diameter DR of the rotor 1 and the diameter DS of the club discs 2 is chosen to be as large as possible, so that there is a relatively large hammer overhang HÜ. This is achieved on the one hand by the fact that the vibrating spaces 5 are as close as possible to one another, while on the other hand the diameter DS of the beater discs 2 is only larger by such a dimension than the diameter DT of the pitch circle 7 on which the retaining bolts 4 for the percussion hammers 3 are arranged are so that the retaining bolts 4 are held sufficiently securely in the club discs 2.
Die Achse 8 des Rotors 1 weist einen fünfeckigen Quer- schnitt auf, wobei die Flächen des Fünfecks jeweils den Schwingräumen 5 zugewandt sind. The axis 8 of the rotor 1 has a pentagonal cross section, the surfaces of the pentagon each facing the oscillation chambers 5.

Claims

Patentansprüche claims
1. Hammerbrecher, dessen mindestens einer Rotor durch mindestens eine Schlägerscheibe gebildet ist, auf der - über deren Umfang regelmäßig verteilt1. Hammer crusher, the at least one rotor of which is formed by at least one beater disk, on which - distributed regularly over its circumference
Schlaghämmer angeordnet sind, wobei jeder Schlaghammer um einen Haltebolzen innerhalb eines Schwingraumes frei drehbar ist, dadurch gekennzeichnet, - daß auf jeder Schlägerscheibe (2) jeweils fünf Schlaghämmer (3) angeordnet sind,Percussion hammers are arranged, each percussion hammer being freely rotatable about a retaining bolt within a vibration space, characterized in that - five percussion hammers (3) are arranged on each club disc (2),
- daß die Differenz zwischen dem Durchmesser (DR) des Rotors (1) und dem Durchmesser (DS) der Schlägerscheiben (2) - und damit der Hammer- überstand (HÜ) - möglichst groß gewählt ist- That the difference between the diameter (DR) of the rotor (1) and the diameter (DS) of the club discs (2) - and thus the hammer projection (HÜ) - is chosen as large as possible
- und daß die Schwingräume (5) für die Schlaghämmer (3) einen möglichst geringen Abstand voneinander aufweisen.- And that the vibrating spaces (5) for the percussion hammers (3) have the smallest possible distance from each other.
2. Hammerbrecher nach Anspruch 1, dadurch gekennzeichnet, daß die Achse (8) des Rotors (1) einen fünfeckigen Querschnitt aufweist.2. Hammer crusher according to claim 1, characterized in that the axis (8) of the rotor (1) has a pentagonal cross section.
3. Hammerbrecher nach Anspruch 2 , dadurch gekenn- zeichnet, daß bei der Achse (8) des Rotors (1) die Flächen des Fünfecks jeweils den Schwingräumen (5) der Schlaghämmer (3) zugewandt sind. 3. Hammer crusher according to claim 2, characterized in that at the axis (8) of the rotor (1) the faces of the pentagon each face the oscillating chambers (5) of the impact hammers (3).
EP99950766A 1998-10-23 1999-10-21 Hammer crusher Expired - Lifetime EP1128908B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19848866A DE19848866A1 (en) 1998-10-23 1998-10-23 Hammer breaker to break up types of stone has five striker hammers installed on each impact disc, and difference between diameter of rotor and diameter of impact discs, and with it the hammer projection, is selected as large as possible
DE19848866 1998-10-23
PCT/EP1999/007988 WO2000024515A1 (en) 1998-10-23 1999-10-21 Hammer crusher

Publications (2)

Publication Number Publication Date
EP1128908A1 true EP1128908A1 (en) 2001-09-05
EP1128908B1 EP1128908B1 (en) 2003-07-30

Family

ID=7885377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99950766A Expired - Lifetime EP1128908B1 (en) 1998-10-23 1999-10-21 Hammer crusher

Country Status (12)

Country Link
US (1) US6527210B1 (en)
EP (1) EP1128908B1 (en)
AU (1) AU764317B2 (en)
BR (1) BR9914720A (en)
CA (1) CA2348650C (en)
CZ (1) CZ296657B6 (en)
DE (2) DE19848866A1 (en)
DK (1) DK1128908T3 (en)
ES (1) ES2199594T3 (en)
HU (1) HU222866B1 (en)
SK (1) SK284644B6 (en)
WO (1) WO2000024515A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6729566B2 (en) * 2001-04-17 2004-05-04 American Pulverizer Co., Mo. Corp. Multi-sided shaft for a crusher
US7140568B2 (en) * 2001-04-17 2006-11-28 American Pulverizer Co. Multi-sided shaft for a crusher
PL2471600T3 (en) * 2011-07-22 2013-09-30 Hazemag & Epr Gmbh Rotor of a hammer crusher
BR112014028582A2 (en) * 2012-05-18 2017-06-27 Esco Corp hammer for shredders.
US9925541B2 (en) 2013-09-18 2018-03-27 American Pulverizer Company Pretensioning cable assembly for securing a crusher/shredder rotor intact upon its shaft
US11045813B2 (en) * 2013-10-28 2021-06-29 Postle Industries, Inc. Hammermill system, hammer and method
DE102015205012A1 (en) 2015-03-19 2016-09-22 Thyssenkrupp Ag Hammer for shredding materials, especially rocks
DE102015012588B4 (en) * 2015-09-29 2017-12-28 Khd Humboldt Wedag Gmbh Rotor for a shredding device
CN106111263B (en) * 2016-06-29 2018-10-12 无锡商业职业技术学院 A kind of novel tup for reversible hammer mill
DE102018210703A1 (en) 2018-06-29 2020-01-02 Thyssenkrupp Ag Impact element for a crusher and method for producing an impact element for a crusher
DE102019201097A1 (en) 2019-01-29 2020-07-30 Thyssenkrupp Ag Wear protection element for a shredding device
DE102019201098A1 (en) 2019-01-29 2020-07-30 Thyssenkrupp Ag Wear protection element for a shredding device
CN110665593A (en) * 2019-10-31 2020-01-10 韦炳善 Breaking hammer of hammer crusher
BE1027786B1 (en) 2019-11-25 2021-06-23 Thyssenkrupp Ind Solutions Ag Impact hammer for breaking up materials, in particular rocks
DE102021207165A1 (en) 2021-07-07 2023-01-12 Thyssenkrupp Ag Percussion hammer for crushing materials and device and method for disassembling and assembling a percussion hammer

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Publication number Priority date Publication date Assignee Title
DE1118582B (en) 1957-07-20 1961-11-30 Beteiligungs & Patentverw Gmbh Hammer crusher
FR1264941A (en) * 1960-08-11 1961-06-23 Miag Muehlenbau & Ind Gmbh Hammer crusher
DE2418619A1 (en) 1974-04-18 1975-11-06 Peters Ag Claudius ROTOR FOR HAMMER CRUSHERS
DE2713177C2 (en) * 1977-03-25 1989-06-08 Lindemann Maschinenfabrik GmbH, 4000 Düsseldorf Hammer crusher
DE3438706C2 (en) * 1984-10-23 1995-05-11 Hoffmann Albert Kg Device for shredding sheet metal and similar material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0024515A1 *

Also Published As

Publication number Publication date
CA2348650A1 (en) 2000-05-04
CZ296657B6 (en) 2006-05-17
AU6341899A (en) 2000-05-15
CZ20011260A3 (en) 2001-12-12
AU764317B2 (en) 2003-08-14
EP1128908B1 (en) 2003-07-30
ES2199594T3 (en) 2004-02-16
DK1128908T3 (en) 2003-08-18
HU222866B1 (en) 2003-12-29
BR9914720A (en) 2001-07-10
WO2000024515A1 (en) 2000-05-04
SK5322001A3 (en) 2001-09-11
CA2348650C (en) 2008-01-15
US6527210B1 (en) 2003-03-04
HUP0103780A2 (en) 2002-02-28
DE19848866A1 (en) 2000-04-27
SK284644B6 (en) 2005-08-04
HUP0103780A3 (en) 2002-04-29
DE59906454D1 (en) 2003-09-04

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