EP3129147B1 - Dispositif de fixation de la tete d'un concasseur giratoire - Google Patents

Dispositif de fixation de la tete d'un concasseur giratoire Download PDF

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Publication number
EP3129147B1
EP3129147B1 EP15715717.3A EP15715717A EP3129147B1 EP 3129147 B1 EP3129147 B1 EP 3129147B1 EP 15715717 A EP15715717 A EP 15715717A EP 3129147 B1 EP3129147 B1 EP 3129147B1
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EP
European Patent Office
Prior art keywords
cone
clamping
nut
carrier
crushing
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.)
Active
Application number
EP15715717.3A
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German (de)
English (en)
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EP3129147A1 (fr
Inventor
Siegbert Fischer
Hans-Jürgen MECKE
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 AG
ThyssenKrupp Industrial Solutions AG
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ThyssenKrupp AG
ThyssenKrupp Industrial Solutions AG
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Application filed by ThyssenKrupp AG, ThyssenKrupp Industrial Solutions AG filed Critical ThyssenKrupp AG
Publication of EP3129147A1 publication Critical patent/EP3129147A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00—Crushing or disintegrating by gyratory or cone crushers
    • B02C2/005—Lining

Definitions

  • the invention relates to a method for mounting a crushing cone on the cone carrier of a cone crusher, wherein the crushing cone is braced against the conical seat of the cone carrier with the aid of a hydraulic tensioning device by means of a screwed nut on the cone carrier.
  • the invention also relates to the corresponding method for dismantling the crushing cone.
  • the invention relates to a cone crusher with a cone carrier and on the conical seat of the cone carrier can be placed crushing cone, wherein the crushing cone can be clamped by means of a screwed onto a cone carrier pin of the cone carrier clamping nut against the cone carrier.
  • the tip of the cone carrier runs out of the cylindrical cone carrier pin, which is provided with an external thread.
  • the thread is used to screw on a clamping nut, which rests with its lower end face on the upper edge of the crushing cone or on the clamping cone acting on the clamping ring. If the clamping nut is tightened, it presses the crushing cone at least in the lower area against the conical seat of the cone carrier, so that the surfaces "wedged" via a lever path and the crushing cone is thus frictionally held on the cone carrier. Since the tightening of the clamping nut requires great effort, the use of heavy tools, such as a striking key and / or a heavy hammer is necessary. This is not only associated with the risk of accidents, but can lead to damage of machine parts if handled improperly.
  • the object of the present invention is now to propose an alternative method for assembling and disassembling a crushing cone on the cone carrier of a cone crusher with the aid of hydraulic forces, which is practicable, which can be implemented inexpensively with simple technical means, and with comfortable handling a high tension created between the crushing cone and the conical seat. It is also an object to provide a simple and inexpensive to implement system that ensures a comfortable and safe assembly and disassembly of the crushing cone and ensures the reliable operation of a cone crusher with high performance.
  • the essential aspect of the invention is to equip the cone crusher so that for the purpose of assembly and disassembly of the crushing cone, a hydraulic tensioning device can be mounted with simple means on the cone carrier, with the assembly and disassembly in view of the strong Bracing between crushing cone and cone carrier is supported.
  • this hydraulic tensioning device is removed before commissioning the cone crusher with a few simple steps.
  • the main advantage of the procedure according to the invention is that the hydraulic tensioning device is not exposed to the destructive forces which prevail during operation of the cone crusher and therefore functions reliably.
  • Another significant advantage is that commercially available clamping devices can be used in particular in the form of hydraulic nuts. For the use of commercial hydraulic nuts only a few changes to the cone carrier are required.
  • the use of the clamping devices according to the invention in the form of hydraulic nuts and corresponding clamping plates makes it possible to convert existing cone crushers in a simple manner for their use of such a hydraulic tensioning device.
  • both the hydraulic pressure device and the clamping nut at any time for any repairs accessible.
  • the screwed nut is first manually or by means of a clamping ring manually or with ease of use a corresponding tool against the crushing cone applied, so only "hand-tight" tightened.
  • the hydraulic tensioner is detachably mounted and operated on the cone carrier. With the extension of the hydraulically driven piston of the crushing cone is pressed directly or by means of the clamping ring against the conical seat of the cone carrier. While the clamping device acts on the crushing cone in such a way, the applied but now relieved clamping nut can be tightened around the path of the tension. Finally, the tensioning device is relaxed and removed from the cone carrier.
  • hydraulic nut is used as a clamping device.
  • Such hydraulic nuts are used for the assembly and disassembly of rolling bearings.
  • the hydraulic nut is screwed by screwing the clamping nut coaxially to this on a located at the top of the cone carrier cone carrier pin.
  • the cone carrier journal surrounds a first external thread for screwing on the clamping nut and a second external thread lying behind it in relation to the crushing cone for screwing on the hydraulic nut.
  • the diameter of the second external thread is smaller than the diameter of the first external thread and smaller than the internal thread of the clamping nut, so that the clamping nut can be easily performed on the second external thread.
  • a clamping plate which acts on the extending annular piston of the hydraulic nut and which is provided as a force and individually adapted to the structural geometry of the cone crusher component. It is advantageous to equip the clamping plate for effective loading by the annular piston with a flat ceiling flange on which the annular piston can create. With regard to one simple structure, it is also advantageous if the clamping flange is followed by a clamping ring cross-pressure ring, which acts directly or by means of the clamping ring on the crushing cone. In order to operate the clamping ring surrounded by the pressure ring breakthroughs are provided in the periphery of the pressure ring through which rotary lever can be inserted into corresponding receptacles in the clamping nut.
  • the invention can also be used to disassemble the means of the clamping nut screwed on the cone carrier and clamped against the conical seat of the cone carrier crushing cone.
  • the crushing cone is first pressed onto the conical seat by means of a hydraulic tensioning device mounted on the cone carrier.
  • the clamping nut is then released so far that the later relaxing crushing cone can expand without again bump against the clamping nut.
  • the clamping device and with it the crushing cone can be relaxed and disassembled.
  • the nut is completely unscrewed and lifted the crushing cone.
  • FIG. 1 First, a section through the head of the cone crusher according to the invention is shown.
  • the crusher abandoned the crusher between the fixed crushing ring 1 of the upper housing part 2 and the seated on a conical seat 13.2 at the foot of the trunnion 4 Crushing cone 3 crushed.
  • the cone carrier 4 is offset by the driven eccentric bushing 5 in a tumbling motion, whereby the crushing gap 6 between crushing ring 1 and crushing cone 3 changes continuously circulating.
  • the crushed material is crushed by squeezing and impact effect until it can leave the cone crusher through the crushing gap 6.
  • the driven eccentric bush 5 rotates in a radial guide about an axis 7, which is firmly clamped in the lower housing part 8.
  • the cylinder piston 9 is integrated into the axis 7 and allows the axial displacement of the cone support 4 and thus of the crushing cone.
  • the crushing cone 4 is clamped on the conical seat 13.2 at the foot of the cone carrier 4. Between cone holder 4 and crushing cone 4 remains in the upper part of a cavity which is later filled through holes 20 with potting compound 21.
  • the cone carrier pin 12 rises above the radially flattened neck 13.2 of the cone carrier 4 and is covered for protection with a trained as a helmet 22 baffle head.
  • the crushing cone 3 is mounted in the above-mentioned procedure on the cone carrier 4 or disassembled from the cone carrier 4, while a hydraulic tensioning device 14 presses the crushing cone 3 with high clamping force into the conical seat 13.2 of the cone carrier 4.
  • the inventive Support is that the crushing cone 3 is biased on the clamping ring 11 with the clamping device 14 before the clamping nut 16 is screwed tight.
  • the hydraulic tensioning device 14 has a hydraulic nut 15 and a tensioning plate 17 (FIG. FIG. 3 ), wherein the hydraulic nut 15 acts on the cone carrier 4 via the clamping plate 17.
  • the clamping plate 17 is detachably mounted on the cone carrier pin 12 and engages in the plugged state, the clamping nut 16.
  • the clamping nut 16 also acts on the clamping plate 17, the crushing cone 3 by means of the clamping ring eleventh
  • the clamping plate 17 has an acted upon by the hydraulic nut 15 ceiling flange 23 and the crushing cone 3 by means of the clamping ring 11 acted upon pressure ring 24 which includes the clamping nut 16.
  • the clamping ring 11 thus also provides the pressure ring 24 a plant.
  • openings are provided, through which the clamping nut 16 is accessible for plug-in rotary lever 18.
  • the rotary lever 18 are temporarily inserted for rotation of the clamping nut 16 in corresponding holes which are arranged in the circumference of the clamping nut 16.
  • the cone carrier pin 12 has for screwing the clamping nut 16, a first external thread 25 and a respect to the crushing cone 3 behind, respectively over lying second external thread 26 for screwing the hydraulic nut 15.
  • the diameter of the second external thread 26 is smaller than that of the first external thread 25 and smaller than the internal thread of the clamping nut 16.
  • annular thread protector 19 is screwed onto the second external thread 26.
  • a collision helmet 22 is finally placed on the cone carrier pin.
  • FIG. 3 shows a hydraulic nut 15 having an annular body 27 with internal thread and an annular groove in the side surface.
  • annular piston 28 is inserted in the annular groove.
  • Two sealing rings 29 seal the annular piston 28 in the annular groove.
  • the annular piston 28 is actuated by hydraulic oil, which is pumped into the pressure chamber 30.
  • threaded holes 31 are provided with screwed adapter pieces 32.
  • a pressure gauge 33 can be screwed.

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

Claims (10)

  1. Procédé de montage d'un cône de concassage (3) sur le support de cône (4) d'un concasseur à cône, le cône de concassage (3) étant serré contre le siège conique (13.2) du support de cône (4) à l'aide d'un dispositif de serrage hydraulique (14) comportant un écrou de serrage (16) vissé sur le support de cône (4),
    caractérisé en ce que
    l'écrou de serrage (16) vissé est appliqué directement ou au moyen d'une bague de serrage (11) contre le cône de concassage (3),
    le dispositif de serrage hydraulique (14) est monté de manière amovible sur le support de cône (4) et est actionné, et pressant le cône de concassage (3) directement ou au moyen de la bague de serrage (11) contre le siège conique (13.2) du support de cône (4),
    l'écrou de serrage (16) appliqué est resserré pendant que le dispositif de serrage (14) agit sur le cône de concassage (3), et
    le dispositif de serrage (14) est desserré et démonté,
    le procédé étant mis en œuvre sur un système selon la revendication 4.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    l'on utilise comme dispositif de serrage (14) un écrou hydraulique (15) disponible dans le commerce qui est vissé, après avoir vissé l'écrou de serrage (16), coaxialement à celui-ci sur une broche de support de cône (12) formée coaxialement au sommet du support de cône (4) et qui agit directement ou au moyen de la bague de serrage (11) sur le cône de concassage (3) à l'aide d'une plaque de serrage (17) s'engageant par-dessus l'écrou de serrage (16) avec une bague de pression (24).
  3. Procédé de démontage d'un cône de concassage (3) qui est vissé sur le support de cône (4) d'un concasseur centrifuge à l'aide d'un écrou de serrage (16) et qui est serré contre le siège conique (13.2) du support de cône (4),
    caractérisé en ce que
    le cône de concassage (3) est d'abord pressé sur le siège conique (13.2) à l'aide d'un dispositif de serrage hydraulique (14) monté sur le support de cône (4),
    l'écrou de serrage (16) est desserré pendant que le dispositif de serrage (14) agit sur le cône de concassage (3), et
    le dispositif de serrage (14) est desserré et démonté avant que l'écrou de serrage (16) ne soit complètement dévissé et que le cône de concassage (3) ne soit retiré,
    le procédé étant mis en œuvre sur un système selon la revendication 4.
  4. Système comprenant
    - un concasseur à cône comportant un support de cône (4) et un cône de concassage (3) pouvant être placé sur le siège conique (13.2) du support de cône (4), le cône de concassage (3) pouvant être serré contre le support de cône (4) à l'aide d'un écrou de serrage (16) vissé sur une broche de support de cône (12) formée coaxialement au sommet du support de cône (4),
    - une plaque de serrage (17) qui est placée de manière amovible sur la broche de support de cône (12) et qui s'engage, une fois placée, par-dessus l'écrou de serrage (16), la plaque de serrage (17) agissant sur le cône de concassage (3) directement ou à l'aide de la bague de serrage (11), et
    - un écrou hydraulique (15) pouvant être vissé sur la broche de support de cône (12) et agissant sur la plaque de serrage (17).
  5. Système selon la revendication 4,
    caractérisé en ce que
    la plaque de serrage (17) comporte une bride de plafond (23) sur laquelle agit l'écrou hydraulique (15) et une bague de pression (24) qui agit directement ou au moyen de la bague de serrage (11) sur le cône de concassage (3) et qui s'engage autour de l'écrou de serrage (16), des passages étant ménagés à la périphérie de la bague de pression (24) à travers lesquels l'écrou de serrage (16) est accessible pour des leviers rotatifs enfichables (18) .
  6. Système selon l'une des revendications 4 et 5,
    caractérisé en ce que
    la bague de serrage (11) peut être placée sur la broche de support de cône (12) de manière à pouvoir coulisser axialement et vient en appui sur le bord supérieur du cône de concassage (3), la bague de serrage (11) constituant un appui pour l'écrou de serrage (16) et la bague de pression (24).
  7. Système selon l'une des revendications 4 à 6,
    caractérisé en ce que
    la broche de support de cône (12) comporte un premier filetage extérieur (25) destiné à visser l'écrou de serrage (16) et un deuxième filetage extérieur (26) situé derrière celui-ci par rapport au cône de concassage (3) et destiné à visser l'écrou hydraulique (15), le diamètre du deuxième filetage extérieur (26) étant inférieur à celui du premier filetage extérieur (25) et inférieur à celui du filetage intérieur de l'écrou de serrage (16).
  8. Système selon l'une des revendications 4 à 7,
    caractérisé en ce que
    l'écrou de serrage (16) comporte des logements, en particulier des alésages ménagés à la périphérie, qui sont destinés à recevoir temporairement des leviers rotatifs (18).
  9. Système selon l'une des revendications 4 à 8,
    caractérisé par
    une protection de filetage annulaire (19) destinée à être vissée sur le deuxième filetage extérieur (26) prévu pour l'écrou hydraulique (15) et un casque (22) de protection contre les impacts pouvant être placé sur la broche de support de cône par et sur la protection de filetage (19) .
  10. Système selon l'une des revendications 4 à 9, le système étant conçu pour monter le cône de concassage sur le support de cône du concasseur à cône à l'aide de la plaque de serrage et de l'écrou hydraulique.
EP15715717.3A 2014-04-09 2015-04-08 Dispositif de fixation de la tete d'un concasseur giratoire Active EP3129147B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014105029.0A DE102014105029A1 (de) 2014-04-09 2014-04-09 Befestigung des Brechkegels in einem Kegelbrecher
PCT/EP2015/057560 WO2015155205A1 (fr) 2014-04-09 2015-04-08 Fixation du cône de concassage dans un concasseur à cône

Publications (2)

Publication Number Publication Date
EP3129147A1 EP3129147A1 (fr) 2017-02-15
EP3129147B1 true EP3129147B1 (fr) 2019-11-27

Family

ID=52824235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15715717.3A Active EP3129147B1 (fr) 2014-04-09 2015-04-08 Dispositif de fixation de la tete d'un concasseur giratoire

Country Status (8)

Country Link
EP (1) EP3129147B1 (fr)
CN (1) CN106132549B (fr)
AU (1) AU2015243593B2 (fr)
CL (1) CL2016002527A1 (fr)
DE (1) DE102014105029A1 (fr)
DK (1) DK3129147T3 (fr)
PE (1) PE20170075A1 (fr)
WO (1) WO2015155205A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018247208A1 (en) * 2018-10-09 2020-04-23 Technofast Industries Pty Ltd Hydraulic Mantle Assembly System for a Gyratory Rock Crusher
US11679389B2 (en) 2021-05-21 2023-06-20 Metso Outotec USA Inc. Mantle retaining system and method for a gyratory crusher
EP4245418A1 (fr) * 2022-03-14 2023-09-20 Sandvik SRP AB Mécanisme de retenue et outil de montage et de démontage d'un broyeur
US11819857B1 (en) 2022-07-19 2023-11-21 Kleemann Gmbh Apparatus and method for lifting a crushing mantle of a cone or gyratory crusher and crusher comprising such an apparatus for lifting
US11911773B2 (en) 2022-07-19 2024-02-27 Kleemann Gmbh Apparatus and method for attaching a crushing mantle of a cone crusher to a carrier cone of the cone crusher and for detaching the crushing mantle from the carrier cone

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1283654B (de) 1966-03-10 1968-11-21 Kloeckner Humboldt Deutz Ag Kreiselbrecher mit hydraulischer Spannvorrichtung fuer den Ein- und Ausbau des Brechkegels
US4168036A (en) * 1978-02-22 1979-09-18 Litton Systems, Inc. Fabricated cone crusher
SU878331A1 (ru) * 1980-02-08 1981-11-07 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Проектный Институт Механической Обработки Полезных Ископаемых Устройство дл креплени брони подвижного конуса конусной дробилки
CN2351196Y (zh) * 1998-07-28 1999-12-01 何本慈 圆锥破碎机
EP1815152B1 (fr) * 2004-10-05 2018-08-08 BUCKNELL, John Wentworth Anneau porteur pour elements de fixation hydrauliques
US8944356B2 (en) * 2009-01-29 2015-02-03 Metso Minerals Inc. Fastening device, a cone crusher and a method for fastening an inner crushing blade to a head of a cone crusher

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PE20170075A1 (es) 2017-04-02
CN106132549B (zh) 2018-08-28
AU2015243593A1 (en) 2016-10-20
DE102014105029A1 (de) 2015-10-15
CN106132549A (zh) 2016-11-16
EP3129147A1 (fr) 2017-02-15
CL2016002527A1 (es) 2017-03-03
WO2015155205A1 (fr) 2015-10-15
DK3129147T3 (da) 2020-02-10
AU2015243593B2 (en) 2018-11-15

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