WO2008010064A2 - Broyeuse à mâchoire mobile et machine à broyer de la blocaille et autres éléments similaires équipée de cette broyeuse - Google Patents

Broyeuse à mâchoire mobile et machine à broyer de la blocaille et autres éléments similaires équipée de cette broyeuse Download PDF

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Publication number
WO2008010064A2
WO2008010064A2 PCT/IB2007/002007 IB2007002007W WO2008010064A2 WO 2008010064 A2 WO2008010064 A2 WO 2008010064A2 IB 2007002007 W IB2007002007 W IB 2007002007W WO 2008010064 A2 WO2008010064 A2 WO 2008010064A2
Authority
WO
WIPO (PCT)
Prior art keywords
crusher
movable
crushing
crushed
vibrating
Prior art date
Application number
PCT/IB2007/002007
Other languages
English (en)
Other versions
WO2008010064A3 (fr
Inventor
Massimo Battiston
Alberto Serena
Alberto Tronchin
Original Assignee
Officine Meccaniche Di Ponzano Veneto S.P.A.
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 Officine Meccaniche Di Ponzano Veneto S.P.A. filed Critical Officine Meccaniche Di Ponzano Veneto S.P.A.
Publication of WO2008010064A2 publication Critical patent/WO2008010064A2/fr
Publication of WO2008010064A3 publication Critical patent/WO2008010064A3/fr

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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
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/02—Jaw crushers or pulverisers
    • B02C1/025—Jaw clearance or overload control

Definitions

  • the present invention relates to a movable-jaw crusher and to a crushing machine of rubble and similar provided with such crusher.
  • the present invention relates to a movable-jaw crusher and to a crushing machine of rubble and similar of the self-propelled type, to which the following description refers purely by way of example without loosing in generality.
  • the vibrating feeder is capable of conveying the material to be crushed towards the inlet mouth of the hopper by exploiting the action of a movable loading surface which has a side edge arranged immediately over the inlet mouth of the hopper, slopes by a few degrees towards the inlet mouth of the hopper and it is finally subjected to continuous shaking with component parallel to the laying plane of the loading surface by a hydraulically-operated vibrating assembly, so as to make the material to be crushed slowly go towards the side edge over the inlet mouth of the hopper.
  • crushing machines of rubble and similar are further provided with a vibrating sieve which is arranged on the load-bearing structure, immediately downstream of the vibrating feeder, so as to intercept the smaller sized part of the material to be crushed directed towards the movable-jaw crusher, and which does not thus need to pass through the crusher.
  • a movable-jaw crusher as described in claim 1 and preferably, but not necessarily, in any of the subsequent claims, depending either directly or indirectly from claim 1.
  • number 1 indicates as a whole a crushing machine of rubble and similar which is particularly suitable for crushing rubble, rock, quarry material, building and road demolition waste and similar material.
  • Crushing machine 1 essentially comprises a load- bearing structure 2, preferably, but not necessarily, provided with a pair of tracks resting on the ground, and the corresponding actuating members (not shown) ; a movable-jaw crusher 3 which is capable of receiving a continuous input flow of heterogeneous material to be crushed, and of providing a continuous output flow of crushed material having a predetermined and uniform size whose value depends on the configuration of crusher 3 during the crushing of the above-mentioned material; and finally a vibrating feeder 4 which is capable of receiving a discontinuous input flow of material to be crushed and of conveying an essentially constant input flow of the aforesaid material to crusher 3.
  • Crusher 3 and vibrating feeder 4 are obviously positioned side-by-side on load-bearing structure 2, aligned along the main axis of load-bearing structure 2 itself, and crushing machine 1 is further provided with a belt conveyor 5 or similar which is capable of receiving the crushed material outgoing from crusher 3 and transporting it outside crushing machine 1.
  • machine 1 is finally provided with a vibrating sieve 6 which is arranged on load-bearing structure 2, between crusher 3 and vibrating element 4, so as to be able to intercept and deviate . towards other destination the smaller sized part of the material to be crushed which is directed towards crusher 3, and which thus does not need to pass through crusher 3.
  • movable-jaw crusher 3 is essentially formed by an external casing or machine body 7, in which is obtained a crushing compartment or chamber 8 which is provided with a top opening 8a through which the material to be crushed is fed, and a bottom opening 8b through which the crushed material comes out; by a pair of crushing jaws 9 and 10 positioned inside crushing chamber 8 facing each other so as to define the two sloping side walls of a downward-converging hopper; and by a jaw actuating device 11 which is capable of cyclically moving the two crushing jaws 9 and 10 against each other to crush the material trapped between the jaws themselves, i.e. inside the hopper.
  • crushing chamber 8 is laterally defined by two vertical side walls 12 which . extend parallel to and facing each other, whereas each of the two crushing jaws 9 and 10 comprises a flat front plate 13 formed by high strength metal which extends parallelly to the two vertical side walls 12, and a rear supporting structure 14 which, depending on the type of jaw, is either rigidly fixed to casing 2 of the machine or is connected in floating manner to casing 7 itself by means of actuating device 11.
  • actuating device 11 further comprises a motor flywheel 16 which is rigidly keyed onto an end of supporting shaft 15 coaxial to axis A so as to rotate about said axis A along with the shaft, and a motor, either electric, hydraulic or similar (not shown) which is able to rotationally drive motor flywheel 16 and supporting shaft 15 connected to it about aforesaid axis A.
  • actuating device 11 finally comprises a collapsible connecting member 17 which is adapted to connect rear supporting structure 14 of crushing jaw 10, i.e. the movable jaw, in floating manner to casing 7 of the crusher to allow crushing jaw 10 to freely oscillate about a horizontal reference axis under the bias of supporting shaft 15, concurrently allowing minor displacements in the horizontal and vertical sense.
  • collapsible connection member 17 comprises an oscillating connecting rod 18 which is hinged and cantilevered on casing 7 of the crusher so as to be able to freely oscillate about a horizontal axis B parallel to axis A; a reaction strut 19 which has a first end abutting on the rear part of rear supporting structure 14 of crushing jaw 10 and a second end abutting on the free end of oscillating connecting rod 18, in turn arranged in essentially vertical position; and finally at least one hydraulic thrust-bearing cylinder 20 interposed between the free end of oscillating connecting rod 18 and casing 7 of the crusher, on the opposite side of strut 19.
  • strut 19 consists of a flat metal plate of essentially rectangular shape which extends perpendicularly to the two vertical side walls 12 of casing 7 of the crusher, and has two longer side edges abuttingly arranged one on the free end of oscillating connecting rod 18, and the other on rear supporting structure 14 of crushing jaw 10, while collapsible connecting member 17 is provided with twin hydraulic thrust-bearing cylinders 20 which are arranged side-by-side on opposite sides of the vertical middle plane of the machine - plane which is perpendicular to rotation axis A of supporting shaft 15 and parallel to the plane of the sheet in figure 1 -, and are both arranged between the free end of oscillating connecting rod 18 and a horizontal stiffening crossbar 21, the function of which is to rigidly and reciprocally connect the two vertical side walls 12 of casing 7 of the crusher.
  • Oscillating connecting rod 18, strut 19 and the two hydraulic thrust-bearing cylinders 20 are components already widely known in the field and therefore no further description is required, except for specifying that in the example shown the two ends of each hydraulic thrust-bearing cylinder 20 are abuttingly arranged one against the free end of oscillating connecting rod 18, and the other against horizontal stiffening crossbar 21 by means of ball joints of - known type; and that collapsible connecting member 17 also comprises an auxiliary single- or dual-acting hydraulic cylinder 22 which has its two ends hinged one onto horizontal stiffening crossbar 21 and the other onto the free end of oscillating connecting rod 18, and is connected to the machine hydraulic circuit (not shown) to exert a mechanical traction force on horizontal stiffening crossbar 21 and on the free end of oscillating connecting rod 18, which force tends to constantly maintain oscillating connecting rod 18 abutting against the movable shafts of the two hydraulic thrust-bearing cylinders 20, and the bottom of the two hydraulic thrust-bearing cylinders
  • vibrating sieve 6 essentially consists of a movable grid 24 of preferably, but not necessary, rectangular shape which is elastically connected to load-bearing structure 2 of the machine by means of coil springs and/or other elastic elements of known type; of an electrically- or hydraulicalIy-operated vibrating member 25 which is mechanically connected to movable grid 24 to shake it on command along a directrix essentially perpendicular to the laying plane of the grid itself, at an adjustable frequency so as to cause, the progressive advancement of the material towards an output edge of the grid itself; and finally of an unloading hopper 26 which is positioned immediately underneath movable grid 24 so as
  • movable grid 24 is positioned by the side of crusher 3 with a side edge arranged immediately over top opening 8a of the hopper formed by 0 crushing jaws 9 and 10, and is sloped by a few degrees towards top opening 8a so that the larger sized material to be crushed slides by gravity directly towards crusher 3.
  • vibrating feeder 4 5 instead comprises a movable loading surface 27 elastically suspended onto load-bearing structure 2 of the machine, an electrically- or hydraulically- operated vibrating member 28 which is mechanically connected to loading surface 27 to make it vibrate on command and 0 cause the progressive advancement of the material towards an output edge of the surface itself, and finally a containment side rail 29 which surrounds loading surface 27 so as to avoid the accidental dropping of material to be crushed outside the surface 5 itself.
  • loading surface 27 has a preferably, but not necessarily, rectangular shape, is elastically connected to load-bearing structure 2 of the machine by means of coil springs and/or' other elastic element of known type, and is arranged in essentially horizontal position by the side of vibrating sieve 6, on the opposite side of crusher 3, so that its side edge overhangingly protrudes immediately over movable grid 24 of vibrating sieve 6. .
  • Electrically- or hydraulicalIy-operated vibrating member 28 is instead structured so as to be able to shake loading surface 27, on command and at an adjustable frequency, along a directrix sloping towards the side edge over movable grid 24 of vibrating sieve 6 so as to make the material to be crushed slowly advance towards the side edge over vibrating sieve 6.
  • movable-jaw crusher 3 is finally provided with at least one ultrasound proximity sensor 30 which is positioned immediately over top opening 8a of the hopper formed by crushing jaws 9 and 10, and is capable of outputting an electric signal indicating the average distance d existing between the sensor itself and the surface of the mass of material to be crushed present inside the hopper formed by crushing jaws 9 and 10, and by an electronic control unit 31 which is connected to proximity sensor 30, is capable of instantaneously determining the level of the material to be crushed present inside the hopper formed by the crushing jaws 9 and 10, and is finally capable of driving vibrating member 28 of vibrating feeder 4 and/or vibrating member 25 of vibrating sieve- 6 so as to keep the level of material to be crushed inside the ' hopper of crusher 3 around an optimal predetermined value.
  • _ electronic control unit 31 is finally capable of driving vibrating member 28 of vibrating feeder 4 and/or vibrating member 25 of vibrating sieve 6, so as to vary the frequency of the vibrations instantaneously transmitted to loading surface 27 and/or movable grid 24, so as to adjust the speed at which the material to be crushed is displaced towards crusher 3 according to the filling level of crusher 3.
  • electronic control unit 31 increases the speed at which vibrating feeder 4 and/or vibrating sieve 6 advance the material to be crushed towards crusher 3 if the level of material in crusher 3 falls under the aforesaid optimal value, and either reduces or takes to zero the speed at which vibrating feeder 4 and/or vibrating sieve 6 advance the material to be crushed towards crusher 3 if the material inside crusher 3 increases over the same aforesaid optimal value.
  • ⁇ electronic control unit 31 is capable of constantly operating crushing machine 1 in conditions of maximum efficiency, with all the advantages that this implies in terms of productivity and durability of the machine in time.
  • crusher 3 may further be provided with a pressure sensor 32 which is adapted to instantaneously detect the pressure value of the oil contained inside the variable-volume chamber of hydraulic thrust-bearing cylinder 20, which variable- volume chamber is intended to reduce its volume when the movable shaft of hydraulic thrust-bearing cylinder 20 retracts into the external tubular casing of the cylinder itself.
  • electronic control unit 31 In this case, electronic control unit 31.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

machine à broyer (1) de la blocaille et d'autres éléments similaires équipée d'une broyeuse à mâchoire mobile (3) et d'un transporteur vibrant (4, 6) pour faire avancer le matériau à broyer vers ladite broyeuse (3), laquelle comprend une enceinte externe (7) à chambre de broyage (8), deux mâchoires de broyage (9, 10) dans la chambre (8) se faisant face pour définir les deux parois latérales inclinées d'une trémie convergeant vers le bas, avec un dispositif d'activation de mâchoire (11) assurant le déplacement cyclique des deux mâchoires (9, 10) l'une contre l'autre pour le broyage de matériau transporté entre elles; la broyeuse (3) comprend en outre au moins un capteur de proximité à ultrasons (30) immédiatement au-dessus de l'ouverture supérieure (8a) de la trémie formée par les mâchoires (9, 10), capable de fournir un signal de distance (d) entre le capteur et la surface de la masse de matériau dans la trémie, et enfin une unité de contrôle électronique (31) reliée à ce capteur (30) pour détecter instantanément le niveau de matériau dans la trémie formée par les mâchoires (9, 10).
PCT/IB2007/002007 2006-07-17 2007-07-17 Broyeuse à mâchoire mobile et machine à broyer de la blocaille et autres éléments similaires équipée de cette broyeuse WO2008010064A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTV20060122 ITTV20060122A1 (it) 2006-07-17 2006-07-17 Frantoio a mascelle mobili e macchina frantumatrice di pietrisco ed affini provvista di tale frantoio.
ITTV2006A000122 2006-07-17

Publications (2)

Publication Number Publication Date
WO2008010064A2 true WO2008010064A2 (fr) 2008-01-24
WO2008010064A3 WO2008010064A3 (fr) 2008-05-08

Family

ID=38917409

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/002007 WO2008010064A2 (fr) 2006-07-17 2007-07-17 Broyeuse à mâchoire mobile et machine à broyer de la blocaille et autres éléments similaires équipée de cette broyeuse

Country Status (2)

Country Link
IT (1) ITTV20060122A1 (fr)
WO (1) WO2008010064A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013004889A1 (fr) * 2011-07-01 2013-01-10 Metso Minerals, Inc. Installation et procédé de traitement de matières minérales
CN109701710A (zh) * 2019-03-07 2019-05-03 四川大学 声波破碎装置及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918648A (en) * 1974-05-31 1975-11-11 Fuller Co Relief mechanism for jaw crusher
JPH08299821A (ja) * 1995-04-28 1996-11-19 Kobe Steel Ltd 砕石プラントの原石供給量制御方法
US6375105B1 (en) * 2000-03-21 2002-04-23 Astec Industries, Inc. Jaw crusher toggle beam hydraulic relief and clearing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918648A (en) * 1974-05-31 1975-11-11 Fuller Co Relief mechanism for jaw crusher
JPH08299821A (ja) * 1995-04-28 1996-11-19 Kobe Steel Ltd 砕石プラントの原石供給量制御方法
US6375105B1 (en) * 2000-03-21 2002-04-23 Astec Industries, Inc. Jaw crusher toggle beam hydraulic relief and clearing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013004889A1 (fr) * 2011-07-01 2013-01-10 Metso Minerals, Inc. Installation et procédé de traitement de matières minérales
US9327289B2 (en) 2011-07-01 2016-05-03 Metso Minerals, Inc. Mineral material processing plant and method
CN109701710A (zh) * 2019-03-07 2019-05-03 四川大学 声波破碎装置及系统
CN109701710B (zh) * 2019-03-07 2024-03-12 四川大学 声波破碎装置及系统

Also Published As

Publication number Publication date
WO2008010064A3 (fr) 2008-05-08
ITTV20060122A1 (it) 2008-01-18

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