WO2016087701A1 - Concasseur à cône - Google Patents

Concasseur à cône Download PDF

Info

Publication number
WO2016087701A1
WO2016087701A1 PCT/FI2014/050942 FI2014050942W WO2016087701A1 WO 2016087701 A1 WO2016087701 A1 WO 2016087701A1 FI 2014050942 W FI2014050942 W FI 2014050942W WO 2016087701 A1 WO2016087701 A1 WO 2016087701A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
intermediate element
wear part
crusher
centering
Prior art date
Application number
PCT/FI2014/050942
Other languages
English (en)
Inventor
Mikko Malkamäki
Kari Peltomäki
Original Assignee
Metso Minerals, Inc.
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 Metso Minerals, Inc. filed Critical Metso Minerals, Inc.
Priority to PCT/FI2014/050942 priority Critical patent/WO2016087701A1/fr
Publication of WO2016087701A1 publication Critical patent/WO2016087701A1/fr

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
    • B02C2/00—Crushing or disintegrating by gyratory or cone crushers
    • B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
    • B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
    • 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 generally relates to a frame of a crusher.
  • the invention relates to installing a wear part to the upper frame of a cone crusher.
  • Mineral material such as stone
  • the mineral material may also comprise natural stone, gravel and construction waste. Both mobile and fixed plants are used for processing.
  • the material to be processed is fed with e.g. an excavator or a wheel loader into a feed hopper of the processing plant, from where the material is forwarded to be processed.
  • a mineral material processing plant comprises one or more crushers and/or screens and possibly further devices such as conveyors.
  • the processing plant may be fixed or mobile. In particular mobile processing plants are used in urban surroundings in processing recyclable material such as construction waste.
  • the objective of the invention is to provide a wear part and installation method mitigating the problems of existing systems.
  • a cone crusher comprising:
  • the crusher may further comprise a seal member attached to the lower end of the intermediate element and configured to prevent the backing material from flowing therebeyond.
  • the outer wear part may be attached to the frame with bolts.
  • the intermediate element may comprise a one piece element.
  • the intermediate element may comprise a protrusion configured to support the seal member.
  • the support member may comprise several separate elements.
  • the seal member may comprise silicone, an O-ring, sealing tape or quick cement.
  • a mineral material processing plant comprising a crusher according to the first aspect of the invention.
  • the mineral material processing plant may comprise a mobile plant.
  • a method of installing a wear part of a crusher comprising
  • the method may further comprise placing strips between the intermediate element and the centering element for providing a desired clearance;
  • the centering element may comprise a wear part.
  • the method may further comprise a subsequent replacement of the wear part carried out by disengaging the wear part from the frame and raising the frame with the intermediate element away from the wear part; and lowering the frame with the intermediate element on a new wear part and attaching the new wear part to the frame.
  • a method of assembling a frame of a crusher comprising lowering an intermediate element on a centering element and placing strips therebetween for providing a desired clearance
  • the method may further comprise placing strips between the intermediate element and the centering element for providing a desired clearance
  • the centering element may comprise a wear part.
  • Fig. 1 shows a schematic cross-sectional view of a cone crusher comprising a wear part according to an example embodiment of the invention
  • Fig. 2 shows a schematic cross-sectional view of a cone crusher comprising a wear part according to an example embodiment of the invention
  • Fig. 3 shows a flow chart of a method according to an example embodiment of the invention.
  • Fig. 4 shows a mineral material processing plant comprising a crusher comprising a wear according to an example embodiment of the invention
  • FIG. 1 shows a schematic cross-sectional view of a cone crusher comprising a wear part according to an example embodiment of the invention.
  • a cone crusher comprises an outer crushing shell fixedly mounted to an upper frame and an inner crushing shell, a mantle, fixedly mounted on a crusher head. The head is eccentrically moved and mineral material such as stones entering between the inner and outer crushing shells is crushed to smaller particles and fine particles as dust.
  • Fig.1 shows an upper crusher frame 6 whereto is attached an outer wear part 18 (attachment elements not shown) according to an example embodiment of the invention.
  • An inner wear part 2 is attached to a crusher head 4.
  • the inner and the outer wear part define therebetween a crushing chamber in to which the mineral material to be crushed is fed.
  • Fig. 1 further shows an intermediate cone, or intermediate element, 16 placed between the outer wear part 18 and the crusher frame 6.
  • the intermediate cone 10 is attached to the crusher frame 6 with backing material 10.
  • a seal element 8 configured to prevent the backing material from flowing downwards while installing the intermediate cone is also shown in Fig. 1 .
  • the intermediate cone 16 is supported from the top part thereof on the frame 6 with a support element 12 attached to the intermediate cone 16 e.g. with a bolt 14.
  • a support element 12 attached to the intermediate cone 16 e.g. with a bolt 14.
  • the wear parts, the intermediate element 16 and the seal element 8 are circular, in an embodiment one-piece elements, since Fig. 1 only shows a cross-section parallel to the radius thereof.
  • a cone crusher is shown in Fig. 1
  • the wear part and the installation method according to the invention is applicable to further crushers having an outer wear part that is attached to the frame from the lower end thereof, as shown in Fig. 2.
  • the backing material 10 comprises commonly used backing material that can be applied, for example poured or injected, in between the crusher frame 6 and the intermediate element 16 for attaching them together.
  • the backing material 10 comprises a two component material comprising of a resin and a hardener known to a skilled person, such as Loctite(c) Nordbak(c) High Impact Backing Material.
  • the seal element 8 configured to keep the backing material at place while hardening comprises for example a sealing tape, a sealing ring, quick cement, silicone or a further seal arrangement applicable to the surface of the intermediate element 16.
  • the sealing element, or parts thereof are in an embodiment formed as a part of the intermediate element.
  • the intermediate cone 16 is supported on top of the crusher frame with a support element 12 that is attached to the intermediate cone with bolts 14 and extends on top of the frame 6.
  • the support element is circular and spans the whole circle of the intermediate cone 16.
  • Fig. 2 shows a schematic cross-sectional view of a cone crusher comprising a wear part according to an example embodiment of the invention.
  • Fig. 2 shows an upper crusher frame 6 whereto with bolts 24 is attached an outer wear part 18 according to an example embodiment of the invention.
  • An inner wear part 2 is attached to a crusher head 4.
  • the inner and the outer wear part define therebetween a crushing chamber in to which the mineral material to be crushed is fed.
  • Fig. 2 further shows an intermediate cone, or intermediate element, 16 placed between the outer wear part 18 and the crusher frame 6.
  • the intermediate cone 10 is attached to the crusher frame 6 with backing material 10.
  • a seal element 8 configured to prevent the backing material from flowing downwards while installing the intermediate cone is also shown in Fig. 1 .
  • the intermediate cone 16 is supported from the top part thereof on the frame 6 with a support element 12 attached to the intermediate cone 16 e.g. with a bolt 14.
  • Fig. 2 further shows the intermediate cone 16 having a protrusion 22 at the lower edge thereof, the protrusion being configured to support the seal element 8 and to increase the sealing effect for keeping the backing material 10 at place while installing the intermediate cone 16.
  • Fig. 2 shows installations strips 20, such as metal strips, used in a first time installation of the intermediate cone 16 and later removed as hereinafter described with reference to Fig. 3.
  • the strips 20 are in an example embodiment attached or removably attached to a centering element used in installation, or to the wear part 18 or to the intermediate cone 16.
  • the wear part 18 or the centering element corresponding thereto has protrusions corresponding to the strips to provide the required clearance.
  • the outer wear part 18 is attached to the crusher frame 6 with bolts 24 (shown only in Fig. 2) and is supported by at least two surfaces of the frame 6 and the intermediate cone 16. In an example embodiment, the outer wear part 18 is supported by three surfaces of the frame 6 and the intermediate cone 16.
  • Fig. 3 shows a flow chart of a method according to an example embodiment of the invention.
  • the method shows the installation of the intermediate cone, or element, 16 and the wear part 18 for the first time.
  • Fig. 3 similarly shows a method of manufacturing, or assembling, the frame of a crusher, i.e. the combination of the intermediate element 16 and the upper frame 6, i.e. the wear part need not be installed at the end of the method.
  • the wear part 18 is used in the method, or an alternative tool, i.e. a centering element substantially corresponding to the shape of a wear part, and configured to be attached to the frame in a way similar to the wear part, is used instead.
  • the intermediate cone 16 is lowered on the wear part 18 and the strips 20 are placed therebetween in order to provide a suitable clearance.
  • three metal strips are placed with an interval of 120 degrees around the wear part.
  • the strips 20 need not be separate elements, but are attached or removably attached to the centering element used in installation, or to the wear part 18 or to the intermediate cone 16.
  • the wear part 18 or the centering element corresponding thereto has protrusions corresponding to the strips to provide the required clearance, and accordingly the step of placing and removing the strips may be omitted.
  • the seal element 8 is provided on the lower edge of the intermediate cone 16 on the opposite side of the cone 16 from the wear part 18, in an embodiment on the protrusion 22, as shown in Figs. 1 and 2.
  • the upper frame 6 of the crusher is lowered on the package formed by the intermediate cone 16 and the wear part 18, and the wear part 18 is attached to the frame with the bolts 24 from the lower end thereof.
  • the support member or members 12 are attached to the intermediate cone 16 with the bolts 14.
  • the backing material 10 is applied between the cone 16 and the frame 6 and allowed to harden as needed resulting in the intermediate cone 16 being attached to the frame 6 therewith.
  • the wear part 18 is disengaged from the frame, by loosening the bolts 24, and the frame 6 with the intermediate cone 16 attached is raised away from the wear part 18. Finally, at 360, the strips 20 are removed, frame 6 with the intermediate cone 16 is lowered on the wear part, and the wear part is attached to the frame 6 with the bolts 24.
  • a centering element substantially corresponding to the shape of the wear part is used in an embodiment until step 350, and only at the end the actual wear part 18 is used.
  • the above installation method is followed in the first time installation of the wear part and the intermediate cone of an embodiment of the invention. When the wear part 18 needs replacing, only the steps 350 and 360 need be carried out, i.e.
  • the old wear part 18 is disengaged from the frame 6, the frame 6 and the intermediate cone 16 are raised away from the old wear part and lowered on a new wear part which is then attached to the frame 6.
  • the first time installation is time consuming, further use of a crusher with the system of the invention is safer and less time consuming.
  • the intermediate cone results is subsequent wear parts being oriented correctly, i.e. centered, having enough clearance at the top and contact at desired surfaces, immediately after having been attached as no extra installation elements need be inserted between the frame and the wear part during replacement.
  • the backing material 10 is replaced with regular intervals, which are substantially longer than the interval for replacement of the wear part 18.
  • Fig. 4 shows a mineral material processing plant 400 according to an example embodiment.
  • the mineral material processing plant 400 comprises a cone crusher 100 according to an example embodiment.
  • the crusher can be used as a primary crusher, or for example as an intermediate or secondary crusher, furthermore the crusher can be used in fine crushing.
  • the mineral material processing plant 400 further comprises a feeder 410 and conveyors 41 1 ,430.
  • the mineral material processing plant according to an example embodiment is a mobile mineral material processing plant and comprises a track base 440.
  • the mineral material processing plant may comprise other parts and/or units not shown in Fig. 4, such as a motor and hydraulic circuits, and/or that some parts shown in Fig. 4 may not be present.
  • the material to be crushed is in an example embodiment fed to the feeder 410 and therefrom by the conveyor 41 1 to the crusher 100.
  • the feeder 410 may also be a so called scalper feeder.
  • the material to be crushed coming from the conveyor is directed to the feed opening 421 .
  • the material to be crushed is fed to the feed opening directly, for example by a loader.
  • the mineral material processing plant 400 can, in a further example embodiment, be a stationary mineral material processing plant comprising crushing, screening and conveying units.
  • the mobile processing plant may, instead of tracks depicted in Fig. 4, comprise wheels, legs, skids or other suitable support means.
  • a technical advantage of different embodiments of the invention may be considered to be quicker and more precise replacement of wear parts.
  • a technical advantage of different embodiments of the invention may be considered to be lessened wear of the crusher frame.
  • a technical advantage of different embodiments of the invention may be considered to be increased lifetime of the crusher.

Landscapes

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

Abstract

Concasseur (100) à cône, procédé d'installation d'une pièce d'usure et d'assemblage d'un cadre d'un concasseur, le concasseur comprenant un cadre (6) ; une pièce d'usure extérieure (18) ; un élément intermédiaire (16) ; un matériau de support (10) pour fixer l'élément intermédiaire (16) au cadre ; et un élément de support (12) fixé à l'élément intermédiaire (16) et conçu pour supporter l'élément intermédiaire (16) sur le cadre (6).
PCT/FI2014/050942 2014-12-02 2014-12-02 Concasseur à cône WO2016087701A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/FI2014/050942 WO2016087701A1 (fr) 2014-12-02 2014-12-02 Concasseur à cône

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2014/050942 WO2016087701A1 (fr) 2014-12-02 2014-12-02 Concasseur à cône

Publications (1)

Publication Number Publication Date
WO2016087701A1 true WO2016087701A1 (fr) 2016-06-09

Family

ID=52144733

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2014/050942 WO2016087701A1 (fr) 2014-12-02 2014-12-02 Concasseur à cône

Country Status (1)

Country Link
WO (1) WO2016087701A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970783A (en) * 1958-05-01 1961-02-07 Nordberg Manufacturing Co Composite wearing parts for crushers and the like
GB888007A (en) * 1957-05-24 1962-01-24 Nordberg Manufacturing Co Improvements in or relating to crushers, grinders and like machines
WO2004110626A1 (fr) * 2003-06-18 2004-12-23 Sandvik Intellectual Property Ab Procede et dispositif pour fixer une coque de broyeur
WO2014173450A1 (fr) * 2013-04-25 2014-10-30 Sandvik Intellectual Property Ab Coque supérieure de concasseur giratoire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB888007A (en) * 1957-05-24 1962-01-24 Nordberg Manufacturing Co Improvements in or relating to crushers, grinders and like machines
US2970783A (en) * 1958-05-01 1961-02-07 Nordberg Manufacturing Co Composite wearing parts for crushers and the like
WO2004110626A1 (fr) * 2003-06-18 2004-12-23 Sandvik Intellectual Property Ab Procede et dispositif pour fixer une coque de broyeur
WO2014173450A1 (fr) * 2013-04-25 2014-10-30 Sandvik Intellectual Property Ab Coque supérieure de concasseur giratoire

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