EP0833692B1 - Broyeur vibrant a cone - Google Patents

Broyeur vibrant a cone Download PDF

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Publication number
EP0833692B1
EP0833692B1 EP96922092A EP96922092A EP0833692B1 EP 0833692 B1 EP0833692 B1 EP 0833692B1 EP 96922092 A EP96922092 A EP 96922092A EP 96922092 A EP96922092 A EP 96922092A EP 0833692 B1 EP0833692 B1 EP 0833692B1
Authority
EP
European Patent Office
Prior art keywords
cone
support
shaft
chassis
skirt
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.)
Expired - Lifetime
Application number
EP96922092A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0833692A1 (fr
Inventor
Alain Cordonnier
Renaud Evrard
Jean-François Andre
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.)
F C B Aluminium En F C B Ciment
Original Assignee
F C B
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 F C B filed Critical F C B
Publication of EP0833692A1 publication Critical patent/EP0833692A1/fr
Application granted granted Critical
Publication of EP0833692B1 publication Critical patent/EP0833692B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B02C2/042—Moved by an eccentric weight
    • 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
    • B02C2/047—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with head adjusting or controlling mechanisms

Definitions

  • the present invention relates to vibrating cone crushers in which the material is crushed between a cone and a frustoconical ring surrounding the cone, the axes of the cone and the ring being vertical, and comprising an annular frame carrying said ring, which is fixed in the central opening of the chassis, and a device capable of generating circular vibrations in a horizontal plane, a support for the cone, and several tie rods connecting the chassis and the support of the cone, the connections between the ends of the tie rods and the chassis, respectively, the support of the cone, being designed to allow relative horizontal movements of the chassis and the support; the assembly constituted by the chassis, the organs which it supports, the cone and its support, rest on a frame or on the ground by means of elastic members: springs or damping studs rubber.
  • the vibration setting device constituted by example by unbalanced trees with vertical axis, not only generates vibrations horizontal of the frame carrying the ring and of the cone support, when the mill is running, but also vertical vibrations whose amplitude increases from the center towards the periphery of the grinder.
  • These vertical vibrations have the harmful consequences of modifying the flow of materials in the grinding chamber, and generate stresses detrimental to the holding mechanical parts of the mill, these constraints due to vertical accelerations being all the more larger than the grinder is bigger; these vertical vibrations can also be transmitted to the building or foundations which is annoying and sometimes even dangerous.
  • These vibrations also make the process unstable (low frequency pulses of the passing flow and absorbed power) by coupling effect between the flow of materials in the chamber and vertical vibrations.
  • the object of the present invention is to eliminate these drawbacks by eliminating or less by appreciably reducing the vertical vibrations which disrupt the progress of these grinders.
  • the mill object of the present invention is characterized in that the center of gravity of the assembly constituted by the chassis and the organs which it supports, and the center of gravity of the cone and its support are found inside a fictitious sphere centered on the point defined by the intersection of the vertical axis of the cone with the plane of action of the vibratory forces when the device is at rest, and with a diameter equal to 15% of the maximum diameter of the cone.
  • the chassis comprises a skirt surrounding the support of the cone and possibly fitted with weights, and a heavy cap is fixed on the top of the cone.
  • the elastic members supporting the mill can be interposed between the bottom of the skirt and the frame or the foundations, the support of the cone being suspended from the frame by means tie rods. Other elastic members can be placed between the skirt and the support of the cone or between the latter and the frame or the foundations.
  • the elastic members supporting the mill can be placed between the support of the cone and the frame or the foundations, other elastic members being placed between the skirt and the cone support.
  • the cone is rotatably mounted on a vertical shaft fitted in its support.
  • it can be rotatably mounted, via bearings, on a sleeve mounted on the shaft so that it can slide along the latter.
  • the shaft and the sleeve will be supported, a sealed annular chamber being provided between the two shoulders and a channel drilled in the shaft allowing to bring a liquid under pressure in said chamber to lift the cone or evacuate it to allow the cone to descend.
  • the frame can consist of a bottomless tank in which the ring is kept by appropriate means and which is provided with an annular base on which the vibrating device, the skirt being fixed by its upper end on the edge of the base.
  • the vibration setting device will advantageously consist of shafts with unbalances with vertical axis mounted on said base, each shaft comprising two unbalances arranged on either side of the base so that the vibrational forces generated by the rotation trees are in a horizontal plane coincident with the median plane of the base or neighbor of it.
  • phase shift device constituted by a rotary actuator the body or rotary element of which is coupled directly to at least one of the unbalanced shafts another unbalance shaft being coupled to the rotary element or to the cylinder body, respectively, by a pulley and belt transmission.
  • the crusher shown in Figure 1 has a frame 10 consisting of a tank without bottom 12, with circular section and vertical axis, provided with a base 14, and by a fixed skirt 16 under the base, at the edge of it.
  • the skirt rests on the foundations via studs rubber shock absorbers 18 which support the crusher.
  • Weights 79 can be attached under the skirt.
  • a ring 22 is mounted coaxially inside the tank. It constitutes a room of interchangeable wear which is held in the tank by a flange and bolts.
  • the element 24 called "cone”, which cooperates with the ring 22, is in fact constituted by a wear part 28 whose general shape is that of a truncated cone of variable slope, mounted on a support 30 of the same shape and held thereon by a flange and screws; it is overcome a hat 32.
  • the cone is mounted on a shouldered sleeve 34 by means of rolling bearings so that it can rotate freely around its axis.
  • the sleeve 34 is itself mounted sliding on a shouldered shaft 38.
  • the vertical axis common to the cone, the sleeve and the shaft is coincident with the axis of the ring 22 when the mill is at rest.
  • Seals are placed between the sleeve and the shaft, above and below shoulders, so that a sealed chamber 40 is formed between the latter.
  • a channel 42 drilled in the shaft connects this chamber to a source of pressurized liquid. In admitting liquid into the chamber or by evacuating it modifies the height position of the cone with respect to the ring and, consequently, the particle size of the ground product.
  • the support 44 of the cone is constituted by a hub 46 in which the shaft 38 is fitted and a ferrule 48 connected to the hub by vertical ribs 50; the space between the hub and the ferrule allows the evacuation of the ground material. It is suspended from chassis 10 by via connecting rods or tie rods 52, the ends of which are connected by articulations to the base 14 of the chassis and an annular plate 54 secured to the ferrule 48.
  • a single tie rod was shown in the drawing but it is obvious that the mill has several tie rods, for example four, regularly distributed around the axis of the mill.
  • the plate 54 is also linked to the skirt 16 by rubber shock absorbing pads 55 which take up at least part of the weight of the cone and its support.
  • the seal between the chassis 10 and the support of the cone 44 is ensured by a metal skirt 51 and a deformable seal 53.
  • the seal between the support 44 and the sleeve 34 is provided by a deformable seal 57.
  • the shredder's vibration device consists of several unbalanced shafts vertical 56 mounted on the chassis 10; only one of them has been shown in the drawing.
  • Each shaft 56 is mounted on the base 14 by means of rolling bearings and comprises two unbalanced 58 disposed on either side of the base; thanks to this arrangement the forces exerted by the unbalances on the chassis 10, when the shafts 56 are rotated, are located in a horizontal plane P-P which is very close to the median plane of the base and could be confused with this one.
  • One of the unbalanced shafts is coupled, by means of a double gimbal extension, a motor shaft 60; the other unbalanced trees are driven from the first by a mechanical transmission system with pulleys and belts which incorporates a phase shift to adjust the angular offset of a group of unbalanced shafts relative to to others to modify the amplitude of the resultant of the centrifugal forces generated by the rotation of unbalanced trees.
  • a mechanical transmission system with pulleys and belts which incorporates a phase shift to adjust the angular offset of a group of unbalanced shafts relative to to others to modify the amplitude of the resultant of the centrifugal forces generated by the rotation of unbalanced trees.
  • the mill has four shafts with vertical unbalances arranged at the vertices of a square as described in document WO-A-9421380.
  • the unbalanced shaft diagonally opposite the unbalanced shaft 56 directly coupled the motor shaft 60 is rotated by means of a belt 63 passing over pulleys 64 keyed on these two unbalanced shafts and on idler pulleys mounted madly on the two other unbalanced trees.
  • the rotary actuator shown in Figure 2 has a cylindrical body 69 closed at its ends by bottoms 70 and 71.
  • a shaft 72 is arranged coaxially in the body of the jack ; it crosses the bottom 70 in which it is mounted by means of a bearing which is capable of resume the axial forces to which the tree can be subjected to prevent its movements axial with respect to the cylinder body.
  • a socket 73 is keyed onto the shaft.
  • a piston 74 is mounted in the body of the jack; he comprises a skirt housed between the wall of the body of the jack and the bush 73.
  • a roller 75 mounted on an axis fixed on the cylinder body is received in a helical groove 76 machined on the piston of such that any axial displacement of the piston in the cylinder body is accompanied by a rotation of the piston relative to the latter.
  • a roller 77 mounted on an axis fixed on the piston skirt is housed in a helical groove 78 machined in the bushing, so that any axial displacement of the piston in the cylinder body causes the shaft 72 to rotate.
  • the cylinder body is fixed on the sleeve 67 and the outer end of the shaft is fitted into a bore of the shaft 56 and keyed onto the latter.
  • the cylinder is supplied with pressurized oil via a rotary joint and at through a three-position valve which supplies one or other of its chambers, to rotate the shaft 72 in one direction or the other, and isolate the two chambers by holding it there pressurized oil to prevent any rotation of the shaft relative to the cylinder body and the make solidarity with the latter.
  • a feed hopper 62 is fixed to the tank 12.
  • the different parts of the mill are dimensioned so that the center of gravity of the assembly constituted by the chassis 10 and the members which it supports, in particular the ring 22 and the unbalanced shafts 56, and the center of gravity of the cone 24 and its support 44 are located in the plane of the vibratory forces P-P or in the immediate vicinity of this plane. It is, in particular, in appropriately choosing the dimensions and the mass of the skirt 16, the weights 79 and the cap 32 that this condition is fulfilled. More specifically, these centers of gravity remain at inside a virtual sphere centered on point 0 defined by the intersection of the vertical axis of the cone with the P-P plane when the device is at rest, and whose diameter is equal to 15% of the maximum diameter D of the cone, for all operating conditions of the mill.
  • the maximum diameter D is that of the useful part of the cone, that is to say of the part which is actually used for grinding. As seen in Figure 1, the cone can extend downward by a portion of diameter greater than D which should not be taken into account.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Cosmetics (AREA)
  • General Preparation And Processing Of Foods (AREA)
EP96922092A 1995-06-13 1996-06-11 Broyeur vibrant a cone Expired - Lifetime EP0833692B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9506964 1995-06-13
FR9506964A FR2735402B1 (fr) 1995-06-13 1995-06-13 Broyeur vibrant a cone
PCT/FR1996/000879 WO1996041680A1 (fr) 1995-06-13 1996-06-11 Broyeur vibrant a cone

Publications (2)

Publication Number Publication Date
EP0833692A1 EP0833692A1 (fr) 1998-04-08
EP0833692B1 true EP0833692B1 (fr) 2001-03-21

Family

ID=9479895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96922092A Expired - Lifetime EP0833692B1 (fr) 1995-06-13 1996-06-11 Broyeur vibrant a cone

Country Status (21)

Country Link
US (1) US5996915A (ru)
EP (1) EP0833692B1 (ru)
CN (1) CN1087195C (ru)
AT (1) ATE199843T1 (ru)
AU (1) AU707703B2 (ru)
BR (1) BR9608528A (ru)
CA (1) CA2223019C (ru)
DE (1) DE69612199T2 (ru)
EG (1) EG20761A (ru)
ES (1) ES2159034T3 (ru)
FR (1) FR2735402B1 (ru)
JO (1) JO1922B1 (ru)
MA (1) MA23906A1 (ru)
MX (1) MX9710031A (ru)
NO (1) NO314716B1 (ru)
NZ (1) NZ311717A (ru)
PT (1) PT833692E (ru)
RU (1) RU2161071C2 (ru)
TR (1) TR199701603T1 (ru)
WO (1) WO1996041680A1 (ru)
ZA (1) ZA965046B (ru)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2765122B1 (fr) * 1997-06-30 1999-08-27 Fcb Dispositif d'alimentation d'installation de traitement de matiere et broyeur vibrant a cone vertical equipe d'un tel dispositif
RU2238799C1 (ru) * 2003-12-05 2004-10-27 Мироевский Петр Равильевич Устройство для измельчения и получения высокогомогенных смесей и высококонцентрированных вяжущих суспензий
MX2014004091A (es) * 2011-10-06 2014-11-21 Telsmith Inc Aparato y metodo para un sistema anti-rotacion.
CN103949301B (zh) * 2013-08-28 2016-11-23 浙江双金机械集团股份有限公司 具有水冷功能的圆锥制砂机偏心轴套冷却结构及冷却方法
US9393567B2 (en) * 2014-01-27 2016-07-19 Metso Minerals Industries, Inc. System and method for hydraulically removing a socket from a mainshaft of a gyrational crusher
RU2629227C2 (ru) * 2015-10-14 2017-08-28 Научно-производственная корпорация "Механобр-техника" (Акционерное общество) Способ дробления твердых материалов с помощью вибрационной конусной дробилки
CN108367294B (zh) * 2015-12-18 2020-09-22 山特维克知识产权股份有限公司 用于惯性圆锥破碎机的扭矩反作用皮带轮
RU2708153C1 (ru) * 2015-12-18 2019-12-04 Сандвик Интеллекчуал Проперти Аб Инерционная конусная дробилка
FR3063234B1 (fr) * 2017-02-27 2019-04-12 Fives Solios Machine de broyage a cone et procede de broyage mettant en oeuvre une telle machine
FR3063235B1 (fr) * 2017-02-27 2019-04-12 Fives Solios Procede de controle d'une machine de broyage a cone
FR3078493B1 (fr) * 2018-03-02 2020-02-14 Fives Fcb Procede pour dissocier differents constituants d'un materiau artificiel heterogene
CN114054131B (zh) * 2021-10-25 2022-11-25 南昌矿机集团股份有限公司 一种双破碎腔圆锥破碎机及破碎方法
CN114210394A (zh) * 2021-12-09 2022-03-22 济南铸信机械有限公司 一种圆锥破碎机防震主机架

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452401A (en) * 1981-08-31 1984-06-05 Zarogatsky Leonid P Inertia cone crusher
FR2687080B1 (fr) * 1992-02-06 1996-05-10 Drac Isere Concassage Broyeur a cone fixe.
EP0642388A4 (en) * 1992-05-25 1995-10-18 Roger Trevor Kay CRUSHER.
FR2702970B1 (fr) * 1993-03-24 1995-05-24 Fcb Broyeur vibrant à cône et procédé de réglage de la marche d'un tel broyeur.

Also Published As

Publication number Publication date
ZA965046B (en) 1997-01-23
FR2735402B1 (fr) 1997-08-14
EP0833692A1 (fr) 1998-04-08
DE69612199T2 (de) 2001-11-08
WO1996041680A1 (fr) 1996-12-27
NO314716B1 (no) 2003-05-12
EG20761A (en) 2000-01-31
CN1193290A (zh) 1998-09-16
PT833692E (pt) 2001-09-28
US5996915A (en) 1999-12-07
AU707703B2 (en) 1999-07-15
MX9710031A (es) 1998-08-30
NZ311717A (en) 1999-11-29
BR9608528A (pt) 1999-11-30
ATE199843T1 (de) 2001-04-15
NO975855D0 (no) 1997-12-12
TR199701603T1 (xx) 1998-05-21
CN1087195C (zh) 2002-07-10
AU6308996A (en) 1997-01-09
RU2161071C2 (ru) 2000-12-27
MA23906A1 (fr) 1996-12-31
JO1922B1 (en) 1997-01-15
NO975855L (no) 1998-02-05
FR2735402A1 (fr) 1996-12-20
CA2223019A1 (fr) 1996-12-27
ES2159034T3 (es) 2001-09-16
DE69612199D1 (de) 2001-04-26
CA2223019C (fr) 2002-11-12

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