EP0585323B1 - Device allowing the control and action of vibratory effects on machines and materials particularly for the treatment of products intended to be vibrated, compressed and compacted - Google Patents

Device allowing the control and action of vibratory effects on machines and materials particularly for the treatment of products intended to be vibrated, compressed and compacted Download PDF

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Publication number
EP0585323B1
EP0585323B1 EP92911273A EP92911273A EP0585323B1 EP 0585323 B1 EP0585323 B1 EP 0585323B1 EP 92911273 A EP92911273 A EP 92911273A EP 92911273 A EP92911273 A EP 92911273A EP 0585323 B1 EP0585323 B1 EP 0585323B1
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EP
European Patent Office
Prior art keywords
pulleys
shafts
drive
shaft
pulley
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EP92911273A
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German (de)
French (fr)
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EP0585323A1 (en
Inventor
Jean Claude Pelletier
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Materiels Vincent Vaillant Mvv Sa Ste
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Materiels Vincent Vaillant Mvv Sa Ste
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B06B1/166—Where the phase-angle of masses mounted on counter-rotating shafts can be varied, e.g. variation of the vibration phase

Definitions

  • the invention relates to the technical sector of equipment and materials for the manufacture of products intended to be vibrated and compacted and in particular rubble.
  • the invention also relates to the technical sector of equipment and materials for compacting, compacting materials to from vibratory effects of all kinds.
  • the manufacture of continuous rubble consists of successively presenting on a table molds capable of receiving the constituent material of the rubble to be obtained, of placing this vibrating table under a press so that that it acts to compress the material in the mold in question, means creating vibrations being arranged under the table to allow in combination the clamping and the compaction of the grains of material.
  • Document DE 2,528,269 also discloses a device authorizing the control and the action of vibratory effects of the type described in the preamble of claim 1 and comprising sets of imbalance pulleys coupled by belt operating according to the principle of adjustment by phase shift with two unbalances, the operation of which is described in Patent BE 825,427.
  • the aim sought after according to the invention was to design a device authorizing the control and the action of vibratory effects on machines and equipment in various applications such as the manufacture of rubble stones, the packing of materials, the crushing and grinding of materials, the device having improved performance compared to the state of the art.
  • the device authorizing the control and the action of vibratory effects on machines and equipment of the type comprising a vibrating element arranged with pulleys receiving masses forming unbalanced put in rotation by shafts of drive, the device comprising a vibrating mechanism consisting of having sets of pulleys coupled by belts and arranged to receive masses forming unbalanced masses, these masses being arranged only on a diametrical part of the pulleys, said pulleys being mounted on two shafts placed in movement in the same direction of rotation or opposite, and associated with an oscillating phase shift device capable of causing the rotation of some of the pulleys between them and thus the orientation of the corresponding masses to allow, according to the desired positions and carried out phases of maximum vibrations, partial or canceled, without parasitic torque, one of the shafts being associated with a power unit always in operation whatever the operating phases, tensioners being associated with each pulley couple, characterized in that the pulley assemblies are mounted in pairs on the two axes,
  • the device finds an application in the manufacture of rubble stones.
  • the device finds an application in the packing of materials by a roller or cylinder constituting the vibrating element.
  • the device finds an application in the equipment of crushing and grinding equipment.
  • the device according to the invention finds numerous applications with a view to the manufacture of products intended to be delivered and compacted such as rubble stones, or of materials intended to be packed by rollers or cylinders, or of materials intended to be crushed and crushed .
  • This device is defined by the same means and this device will be described successively in its different applications.
  • the device according to the invention finds a first advantageous non-limiting application for the material and equipment for the manufacture of rubble.
  • a table (1) capable of resting on damping means (2) of the silent-block type arranged on the horizontal upper face of a supporting frame (7 ).
  • This frame can allow the positioning of one or two or more independent tables, while operating in perfect synchronism.
  • the vibrator mechanism referenced as a whole by (3), while on the upper plane of the or each of the tables, is arranged a mold (4) capable of receiving a mass of material (5) intended to be compacted by one or more presses (6).
  • the aforementioned vibrating mechanism thus subjects, by its action, the table to a vertical movement back and forth against the silent-blocks allowing the compaction of the material.
  • the vibratory mechanism consists in placing, under the table or each of the reception tables, rubble stones or all products to be vibrated in general, sets of pulleys (8 - 9, 10 - 11) coupled in pairs and arranged to receive masses (12) judiciously arranged forming unbalanced and having a vibratory effect during the rotation of the pulleys. These masses are arranged only on a diametrical part of the pulleys and more restrictively, according to an arc of a circle less than their semi-perimeter.
  • said pulleys are arranged with a plurality of holes (8.1, 9.1, 10.1, 11.1) regularly distributed radially, and in some of which is introduced a mass such as piece of lead or the like. All the pulleys are notched and are coupled two by two by a toothed belt (13), while a tensioner (14) ensures the tensioning.
  • each body of parallelepiped shape is arranged with internal bores to allow the passage of the axes of rotation of said pulleys and of the tensioner associated with each pair of pulleys.
  • a couple of pulleys and tension rollers are arranged in its upper part.
  • the block is arranged with brackets or legs (16) capable of being fixed by any means to the lower part of the corresponding table.
  • the pulleys (8, 9, 10 and 11) are mounted in pairs (8 - 10, 9 - 11) on two shafts (S1 - S2) which are associated with a phase shifting device capable of to cause the partial rotation of some of the pulleys between them and thus the orientation of the masses forming unbalanced.
  • Some pulleys are mounted keyed on the trees (S1 and S2) and others are mounted idly on said trees in a judicious arrangement ensuring their placing in opposition.
  • the pairs of pulleys (8 - 9, 10 - 11) have thus been arranged for the first table, and the pairs of pulleys ( 18 - 19, 20 - 21) for the second table.
  • the pulleys (8 and 20) are keyed on the shaft (S2)
  • the pulleys (11 and 19) are keyed on the shaft (S1)
  • the pulleys (10 and 18) are mounted idly on the shaft (S2 )
  • the pulleys (9 and 21) are mounted idly on the shaft (S1).
  • each pulley the masses or weights arranged on each pulley are all in the same plane to allow, during operation and rotation of the pulleys, to have a common vibratory effect capable of acting on the aforementioned table or tables causing the compaction of materials, the shafts (S1 - S2) rotating in opposite directions.
  • This device which is located outside the receiving frame of the table or tables, comprises shafts in extension of the driving shafts (S1 - S2) associated by any complementary coupling means such as cardan joints (22.1, 22.2 - 23.1 - 23.2).
  • the shafts (S1 - S2) or their extension also referenced (S1 - S2) for understanding are then arranged in a supporting structure (24) and pivotable at (25) relative to the support casing of the aforementioned phase shift device.
  • the motor shaft (S1) is associated at the end with an engine block (26) ensuring the continuous operation of the assembly.
  • the supporting structure (24) thus comprises two flanges (24.1 - 24.2) having a triangular profile and braced between them. They allow the fixing of two rollers (29 - 30) arranged substantially in the end portions of angles, while said structure is articulated on an axis (25) mounted transversely and secured at its ends to a housing or protective casing of the phase shift device.
  • the flanges are spaced apart to allow positioning of a pulley (28) in a fixed position mounted on the motor shaft (S1).
  • the flanges have an oblong opening (24.3) related to the position of said pulley during the oscillation of the supporting structure as will be specified.
  • Another pulley (27) is disposed on the shaft (S2) in axial alignment with the pulley (28), outside the pivoting structure, said pulleys (27 - 28) being fixed in position on their respective shafts.
  • the two rollers (29 - 30) are arranged on either side of the axis defined between the pulleys (27 - 28).
  • the pulley (27) is located outside the volume of the supporting structure.
  • a toothed belt (31) is mounted around the pulleys (27 - 28) and the rollers (29 and 30) as illustrated in the drawings.
  • the aforementioned bearing structure is mounted with articulation on the axis (25), which is located outside the plane defined by the drive pulleys (27 - 28). Said structure is disposed inside the protective casing (32) of all of these mechanisms.
  • the position of the axis (25) is advantageously predetermined and unique so as to maintain a constant width of the belt (31).
  • the bearing structure (24) pivoting relative to the frame makes it possible not to use a tension roller as practiced according to the prior art.
  • the supporting structure is subjected to an angular pivoting movement or to limited oscillation by means, for example, of a jack (V) fixed to the aforementioned casing and the rod of which is associated with one of the aforementioned flanges.
  • An adjustable positive stop (68) angularly limits and preselects the angular value of phase shift.
  • This positive stop is for example, as illustrated in FIG. 21, a bar (69) disposed transversely between the flanges (24.1 - 24.2), said stop being associated with a profiled element (70) mounted at articulation with respect to the bearing structure (24) and advantageously, from the axis (25) of articulation thereof.
  • the profiled element is itself articulated by means of a jack (71) fixed to the protective casing (32) of the mechanism. According to the development of the rod (71.1) of the jack (71), a position of pivot limit of the bearing structure (24) is defined, thus defining a maximum angulation and causing an appropriate phase shift of the vibratory elements.
  • any action on the drive shaft (S1) will cause the partial rotation of the pulleys (11 and 19) keyed onto the shaft, so that the masses or weights located on these pulleys will rotate 180 ° and take a position diametrically opposite to the masses arranged on the pulleys (9 and 21).
  • the pulleys (10 and 18) will suffer the same effect and the masses will take a position diametrically opposite to the masses disposed on the pulleys (8 and 20).
  • There will thus be an assembly in opposition of the different masses thus allowing a balancing or cancellation of the vibratory effects on the table or tables supporting the rubble stones or other products to be vibrated, without parasitic torque.
  • the vibrations are canceled, there is a static and dynamic balance of the vibrating masses.
  • FIG. 9 in addition to the shafts (S1 - S2), an assembly has been illustrated allowing the phase shift of the masses comprising a driving pulley (33), a tensioner (34) and four idler mounted rollers (35, 36, 37, 38 ) authorizing the mounting between them of a toothed belt (39).
  • the rollers (35, 36) are mounted in the same alignment plane with the drive shaft (S1) along an axis X - X ', while the rollers (37 - 38) are mounted in the same alignment plane as the motor shaft (S2) along an axis Y - Y '.
  • the above pulley trains are arranged on either side of a support structure (40) fixed by any suitable means on the table or tables (1).
  • This supporting structure is arranged with bores to allow the shafts (S1 - S2) and associated pulleys to rotate.
  • the first train of pulleys (T1) thus comprises the pulleys (41 - 42 - 43 - 44) including at least one notched with a tensioner (45) and a notched drive belt (46).
  • the second set of pulleys (T2) thus comprises the pulleys (47 - 48 - 49 - 50) including at least one notched with a tensioner (51) and a notched drive belt (52).
  • the pulley (42) is keyed onto the motor shaft (S1), while the pulley (48) is mounted idly on the latter.
  • the pulley (49) is keyed onto the motor shaft (S2) and the pulley (43) is mounted idly on the latter.
  • Each of the pulleys (41, 42, 43, 44) - (47, 48, 49, 50) is arranged with pairs of masses (53 - 54) initially arranged, as illustrated in FIG. 10, in the same diametral plane in the form of two quadrants forming juxtaposed crescents.
  • Actions on the X - X 'and Y - Y' axes cause an angulation of these with respect to the axis Z - Z 'defined by the alignment plane of the drive pulley (33) and the tensioner (34), and have the result of gradually causing a separation of the masses (54 ) with respect to the masses (53) as far as coming, according to FIG. 14, in the position of complete diametric opposition thus making it possible to cancel any vibratory effect on the aforementioned table or tables.
  • phase shift device according to the invention has been illustrated in FIG. 16 and in the following figures 17, 18, 19.
  • the shafts (S1 and S2) are driven by a single drive shaft (55) with respectively two idler rollers (56 - 57) (58 - 59) set in motion by toothed belts (60 - 61).
  • the two shafts (S1 and S2) rotate in the same direction and the motor shaft (55) in an opposite direction.
  • the two sub-assemblies (S1 - 56 - 57) and (S2 - 58 - 59) can be animated by an opposite angular pivoting movement or the like.
  • the trees (S1 - S2) are themselves arranged directly with masses mounted in opposition. Thus the two axes (S1 - S2) are coaxial to ensure a phase shift of the rotating elements on the same axis.
  • FIG. 17 represents a phase shift of 0 °, the masses coming in direct opposition.
  • FIG. 18 represents a phase shift of 90 ° as a result of an orientation of the masses, the two sub-assemblies being in the same plane.
  • FIG. 19 represents a 180 ° phase shift, thus authorizing a balancing of the masses and the cancellation of the vibratory effects.
  • Figures 9 to 14 show the application of the device to a vibrator allowing a phase shift thereof of 180 ° with an oscillation of the pulleys (35, 36, 37, 38) of only 8 °.
  • the device whose output shafts (S1 - S2) rotate in the same direction, applies to multi-directional vibrators if they are attacked live, to unidirectional vibrators if they are attacked, a live line and the other by reverse gear.
  • FIG. 20 Another design of the mass support pulleys is illustrated in FIG. 20.
  • These pulleys (62) are arranged in a body (63) capable of being fixed to the table by means (64). This body allows the reception of two pulleys (62) and a tension roller (65) with toothed belt. (66).
  • the pulleys are arranged with masses (67) fixed and permanently fixed thereon.
  • FIGS. 21 to 25 have illustrated the use of the device according to the invention with a roller or cylinder constituting the vibrating element and allowing the compaction of materials. These figures are thus in close dependence on the assembly illustrated in figure 16 previously described.
  • the two axes (S1 - S2) are mounted concentric with one another, therefore being arranged in a coaxial plane, along an axis (A - A ') called "motor".
  • the axis (S1) is defined by a tube (72) of great length on which is mounted a sleeve (73) of shorter length mounted free in rotation by suitable rolling means.
  • the rotation of the sleeve relative to the tube is established at a maximum angulation of 180 ° corresponding to the phase shift and displacement of the pulleys for setting in opposition.
  • this tube (72) - sleeve (73) assembly is disposed the roller or cylinder (87) constituting the vibrating element intended to compact the products or materials in contact.
  • the ends (72.1 - 72.2) of the axis receive the pulleys (74 - 75) arranged with holes (74.1 - 75.1) receiving unbalances (74.2 - 75.2) according to the implementation described above, these pulleys being coupled to said tube (72) as previously indicated. These two pulleys are put into operation by the aforementioned tube.
  • the central sleeve (73) also receives at its ends a couple of pulleys (76 - 77) arranged with unbalances (76.1 - 77.1) and mounted in opposition with respect to the preceding pulleys.
  • the pulleys (74 - 76) mounted on the front end of the tube-sleeve assembly are coupled by two connecting belts (78 - 79) with return pulleys (80 - 81) (82 - 83), while 'a return axis (84) allows the simultaneous operation of two sub-assemblies.
  • a protective cover (85) is provided with a fixed position lying in the extension of the cylinder or roller while in the front part of the device is provided a receptacle or casing (86) protecting the sets of pulleys and of the phase shift mechanism.
  • All of said pulleys (80 - 81) are also mounted on the supporting structure (24) of the aforementioned type which is articulated and controlled in rotation by an adjustment jack (V) of the aforementioned type, and a jack (70) for controlling the stop.
  • V adjustment jack
  • 70 for controlling the stop.
  • the actuation of the vibration device and of the type of phase shift thus makes it possible to apply to the roller or cylinder (87) a vibration effect allowing applications of the invention to compacting rollers for packing materials with the contact of the roller.
  • FIG. 26 shows a variant of the phase-shifting device using the different means described in FIG. 5.
  • the shafts (S1 and S2) rotate in the same direction.
  • the belt (31) is guided by complementary rollers (88 - 89) to allow the rotation of the two aforementioned shafts in the same direction.
  • the invention finds a non-limiting application to machines and equipment for the manufacture of rubble stones and concrete blocks.
  • the phase shift device associated with the vibratory mechanism can be used for any material and machine intended to receive products and which must be vibrated during the treatment phase.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Jigging Conveyors (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

PCT No. PCT/FR92/00459 Sec. 371 Date May 6, 1994 Sec. 102(e) Date May 6, 1994 PCT Filed May 22, 1992 PCT Pub. No. WO92/20467 PCT Pub. Date Nov. 26, 1992.A vibration controller has a vibratory mechanism with a pulley assembly with four pulleys coupled in pairs on two shafts linked by two belts. The pulley assembly is mounted under a reception table or tables for products to be vibrated and compacted. The pulleys receive offcenter weights for forming an unbalance. The weights are placed only on a aliametric portion of the pulleys. The pulleys are mounted in pairs on the two shafts associated with an phase-shifting device that rotates certain pulleys with respect to each other to vary the relative orientation of the corresponding weights. According to this orientation one can obtain maximum, partial or minimum vibration, one of the shafts being driven by a motor unit.

Description

L'invention se rattache au secteur technique des équipements et matériels pour la fabrication des produits destinés à être vibrés et compactés et en particulier les moellons.L'invention se rattache également au secteur technique des équipements et matériels permettant de tasser, compacter des matériaux à partir d'effets vibratoires de toute nature.The invention relates to the technical sector of equipment and materials for the manufacture of products intended to be vibrated and compacted and in particular rubble. The invention also relates to the technical sector of equipment and materials for compacting, compacting materials to from vibratory effects of all kinds.

Dans une application particulière donnée à titre d'exemple non limitatif, la fabrication des moellons en continu consiste à présenter successivement sur une table des moules susceptibles de recevoir le matériau constitutif du moellon à obtenir, à disposer cette table vibrante sous une presse de telle sorte que celle-ci agisse pour comprimer le matériau dans le moule considéré, des moyens créant des vibrations étant disposés sous la table pour permettre en combinaison le serrage et le tassement des grains de matériau.In a particular application given by way of nonlimiting example, the manufacture of continuous rubble consists of successively presenting on a table molds capable of receiving the constituent material of the rubble to be obtained, of placing this vibrating table under a press so that that it acts to compress the material in the mold in question, means creating vibrations being arranged under the table to allow in combination the clamping and the compaction of the grains of material.

Néanmoins, selon les techniques actuelles, on doit obligatoirement arrêter le fonctionnement des moyens agissant et créant les vibrations, c'est-à-dire par l'arrêt des moyens moteurs pour permettre l'enlèvement de la palette de produits frais, en vue de la présentation sur la table d'un autre moule destiné à être rempli. Ces opérations nécessitent des temps d'intervention relativement longs sans compter les différentes actions qui sont effectuées sur les organes moteurs et qui sont susceptibles à la longue d'engendrer leur détérioriation.However, according to current techniques, it is mandatory to stop the operation of the means acting and creating the vibrations, that is to say by stopping the motor means to allow the removal of the palette of fresh products, in order to the presentation on the table of another mold intended to be filled. These operations require relatively long intervention times without counting the various actions which are carried out on the drive members and which are liable in the long run to cause their deterioration.

Dans d'autres applications telles que le tassement des matériaux, on utilise des moyens à effets vibratoires associés à des rouleaux ou cylindres venant en appui sur lesdits matériaux. Les moyens à effets vibratoires sont complexes et d'une mise en oeuvre coûteuse.In other applications such as compaction of materials, means are used with vibratory effects associated with rollers or cylinders coming to bear on said materials. The means for vibratory effects are complex and costly to implement.

On connaît également des dispositifs à effets vibratoires sur des machines de concassage, broyage, mais exigeant également des mécanismes complexes et nombreux.Devices with vibratory effects are also known on crushing and grinding machines, but also requiring numerous and complex mechanisms.

On connaît par ailleurs dans le document DE 2.528.269 un dispositif autorisant le contrôle et l'action d'effets vibratoires du type décrit dans le préambule de la revendication 1 et comprenant des ensembles de poulies à balourds couplés par courroie fonctionnant selon le principe de réglage par déphasage à deux balourds dont le fonctionnement est décrit dans le Brevet BE 825.427.Document DE 2,528,269 also discloses a device authorizing the control and the action of vibratory effects of the type described in the preamble of claim 1 and comprising sets of imbalance pulleys coupled by belt operating according to the principle of adjustment by phase shift with two unbalances, the operation of which is described in Patent BE 825,427.

Le but recherché selon l'invention était de concevoir un dispositif autorisant le contrôle et l'action d'effets vibratoires sur des machines et matériels dans diverses applications telles que la fabrication des moellons, le tassage de matériaux, le concassage et broyage de matériaux, le dispositif ayant des performances améliorées par rapport à l'état de la technique.The aim sought after according to the invention was to design a device authorizing the control and the action of vibratory effects on machines and equipment in various applications such as the manufacture of rubble stones, the packing of materials, the crushing and grinding of materials, the device having improved performance compared to the state of the art.

Dans l'application de la fabrication des moellons, un autre but était de concevoir un dispositif susceptible d'éviter toute action nécessitant l'arrêt des moyens moteurs engendrant les effets vibratoires, pouvant prouver des applications à toutes machines assurant une fonction de vibration pour la fabrication et/ou le traitement de produits.In the application of the manufacture of rubble stones, another aim was to design a device capable of avoiding any action requiring the stopping of the motor means generating the vibratory effects, being able to prove applications to all machines ensuring a vibration function for the manufacturing and / or processing of products.

Dans l'application relative aux matériaux à tasser par des rouleaux ou cylindres ou équipements similaires, un autre but était de créer des effets vibratoires parfaitement ajustables et orientables en fonction des conditions de fonctionnement desdits rouleaux ou cylindres.In the application relating to materials to be compacted by rollers or cylinders or similar equipment, another object was to create vibrational effects which are perfectly adjustable and orientable as a function of the operating conditions of said rollers or cylinders.

Selon une première caractéristique de l'invention, le dispositif autorisant le contrôle et l'action d'effets vibratoires sur des machines et matériels du type comprenant un élément vibrant agencé avec des poulies recevant des masses formant balourds mises en rotation par des arbres d'entraînement, le dispositif comprenant un mécanisme vibratoire consistant à disposer des ensembles de poulies couplées par des courroies et agencées pour recevoir des masses formant balourds, ces masses n'étant disposées que sur une partie diamétrale des poulies,lesdites poulies étant montées sur deux arbres mis en mouvement dans le même sens de rotation ou opposés, et associés à un dispositif de déphasage à oscillation susceptible de provoquer la rotation de certaines des poulies entre elles et ainsi l'orientation des masses correspondantes pour permettre selon les positions désirées et réalisées des phases de vibrations maximales, partielles ou annulées, sans couple parasite, l'un des arbres étant associé à un groupe moteur toujours en fonctionnement quelles que soient les phases de fonctionnement, des tendeurs étant associés à chaque couple de poulie,
caractérisé en ce que les ensembles de poulies sont montés deux à deux sur les deux axes,
et en ce que certaines poulies sont montées clavetées sur l'arbre et folles sur l'arbre et d'autres poulies sont montées folles sur l'arbre et clavetées sur l'arbre, selon un montage en alternance et opposition, tout couple de poulies associées par une courroie présentant une poulie clavetée sur l'un des arbres et une poulie folle sur l'un des arbres,
et en ce que lorsque les vibrations sont annulées le dispositif permet un équilibrage statique et dynamique des masses vibrantes.According to a first characteristic of the invention, the device authorizing the control and the action of vibratory effects on machines and equipment of the type comprising a vibrating element arranged with pulleys receiving masses forming unbalanced put in rotation by shafts of drive, the device comprising a vibrating mechanism consisting of having sets of pulleys coupled by belts and arranged to receive masses forming unbalanced masses, these masses being arranged only on a diametrical part of the pulleys, said pulleys being mounted on two shafts placed in movement in the same direction of rotation or opposite, and associated with an oscillating phase shift device capable of causing the rotation of some of the pulleys between them and thus the orientation of the corresponding masses to allow, according to the desired positions and carried out phases of maximum vibrations, partial or canceled, without parasitic torque, one of the shafts being associated with a power unit always in operation whatever the operating phases, tensioners being associated with each pulley couple,
characterized in that the pulley assemblies are mounted in pairs on the two axes,
and in that certain pulleys are mounted keyed on the tree and idlers on the tree and other pulleys are mounted idler on the tree and keyed on the shaft, in an alternating and opposite arrangement, any couple of pulleys associated by a belt having a keyed pulley on one of the trees and an idler pulley on one of the trees,
and in that when the vibrations are canceled the device allows static and dynamic balancing of the vibrating masses.

Selon une autre caractéristique, le dispositif trouve une application dans la fabrication des moellons.According to another characteristic, the device finds an application in the manufacture of rubble stones.

Selon une autre caractéristique, le dispositif trouve une application dans le tassage de matériaux par un rouleau ou cylindre constituant l'élément vibrant.According to another characteristic, the device finds an application in the packing of materials by a roller or cylinder constituting the vibrating element.

Selon une autre caractéristique, le dispositif trouve une application dans l'équipement de matériel de concassage et de broyage.According to another characteristic, the device finds an application in the equipment of crushing and grinding equipment.

Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.These characteristics and others will become apparent from the following description.

Pour fixer l'objet de l'invention illustré non limitativement aux figures des dessins où :

  • La figure 1 est une vue en perpective à caractère schématique illustrant l'application, à titre d'exemple, du dispositif selon l'invention à des machines et équipements de fabrication de moellons.
  • La figure 2 est une vue à caractère schématique avant montage représentant les différents moyens du dispositif selon l'invention permettant l'application du déphasage des arbres moteurs (S1 - S2).
  • La figure 3 est une vue partielle selon la figure 2 montrant le bloc support des poulies et moyens complémentaires supports des masses.
  • La figure 4 est une vue en plan à caractère schématique illustrant les liaisons entre le dispositif vibratoire et le dispositif de déphasage, les arbres (S1 - S2) tournant en sens opposé.
  • La figure 5 est une vue partielle montrant, dans une première mise en oeuvre, le dispositif de déphasage des arbres (S1 et S2).
  • Les figures 6, 7 et 8 sont des vues selon la figure 5 illustrant différentes positions du dispositif de déphasage, les arbres (S1 - S2) tournant en sens opposé.
  • La figure 9 est une vue en variante du dispositif de déphasage, les arbres (S1 - S2) tournant dans le même sens.
  • La figure 10 est une vue en correspondance de la figure 9 montrant le positionnement des masses sur les poulies dans la situation de position des arbres (S1 et S2) selon la figure 9.
  • La figure 11 est une vue similaire à la figure 9 avec une orientation angulaire et déphasage de l'arbre (S1) par rapport à l'arbre (S2).
  • La figure 12 est une vue similaire à la figure 10 mais illustrant la position des masses en fonction de la position des arbres (S1 - S2) de la figure 11.
  • La figure 13 est une vue similaire à la figure 9 avec une angulation donnée de 8° des arbres (S1 - S2).
  • La figure 14 est une vue similaire à la figure 10 avec les masses dans la position correspondante à celle des arbres en figure 13.
  • La figure 15 est une vue en plan en caractère schématique illustrant la relation entre le dispositif de déphasage illustré aux figures 9, 11 et 13 et la position des masses illustrées aux figures 10, 12 et 14.
  • La figure 16 est une vue en variante illustrant le doublement du dispositif décrit à la figure 6.
  • Les figures 17, 18 et 19 sont des vues montrant le fonctionnement du dispositif décrit figure 16.
  • La figure 20 est une vue en variante du corps support des poulies susceptibles de recevoir des masses.
  • La figure 21 est une vue de profil illustrant l'ensemble du mécanisme de déphasage à oscillation intégrée dans un boîtier ou carter de protection.
  • La figure 22 est une vue en perspective illustrant l'application du dispositif selon l'invention dans un cylindre ou rouleau vibrant en vue du tassage de matériau.
  • La figure 23 est une vue selon la figure 22 illustrant le dispositif précité avec le mécanisme de déphasage à oscillation intégré dans un bâti de protection.
  • La figure 24 est une vue partielle montrant les mécanismes à effets vibratoires et le dispositif de déphasage à oscillation représentés selon la figure 16 dans un plan en alignement.
  • La figure 25 est une vue complémentaire selon les figures 22 à 24 montrant le dispositif dans son ensemble.
  • La figure 26 est une vue complémentaire selon la figure 5 montrant le dispositif de déphasage avec des sorties des arbres (S1 - S2) dans le même sens.
To fix the subject of the invention illustrated without limitation in the figures of the drawings where:
  • FIG. 1 is a schematic perspective view illustrating the application, by way of example, of the device according to the invention to machines and equipment for manufacturing rubble stones.
  • Figure 2 is a schematic view before mounting showing the different means of the device according to the invention allowing the application of the phase shift of the drive shafts (S1 - S2).
  • Figure 3 is a partial view according to Figure 2 showing the pulley support block and complementary means mass supports.
  • Figure 4 is a schematic plan view illustrating the connections between the vibrating device and the phase shift device, the shafts (S1 - S2) rotating in opposite directions.
  • FIG. 5 is a partial view showing, in a first implementation, the device for phase shifting of the shafts (S1 and S2).
  • Figures 6, 7 and 8 are views according to Figure 5 illustrating different positions of the device phase shift, the shafts (S1 - S2) rotating in opposite directions.
  • Figure 9 is an alternative view of the phase shift device, the shafts (S1 - S2) rotating in the same direction.
  • FIG. 10 is a view in correspondence of FIG. 9 showing the positioning of the masses on the pulleys in the position of the shafts position (S1 and S2) according to FIG. 9.
  • Figure 11 is a view similar to Figure 9 with an angular orientation and phase shift of the shaft (S1) relative to the shaft (S2).
  • FIG. 12 is a view similar to FIG. 10 but illustrating the position of the masses as a function of the position of the shafts (S1 - S2) of FIG. 11.
  • Figure 13 is a view similar to Figure 9 with a given angulation of 8 ° of the trees (S1 - S2).
  • FIG. 14 is a view similar to FIG. 10 with the masses in the position corresponding to that of the trees in FIG. 13.
  • FIG. 15 is a plan view in schematic character illustrating the relationship between the phase shift device illustrated in FIGS. 9, 11 and 13 and the position of the masses illustrated in FIGS. 10, 12 and 14.
  • FIG. 16 is a variant view illustrating the doubling of the device described in FIG. 6.
  • Figures 17, 18 and 19 are views showing the operation of the device described in Figure 16.
  • Figure 20 is an alternative view of the support body of the pulleys capable of receiving masses.
  • FIG. 21 is a side view illustrating the whole of the oscillation phase shift mechanism integrated in a protective casing or casing.
  • Figure 22 is a perspective view illustrating the application of the device according to the invention in a vibrating cylinder or roller for the packing of material.
  • Figure 23 is a view according to Figure 22 illustrating the aforementioned device with the oscillation phase shift mechanism integrated in a protective frame.
  • FIG. 24 is a partial view showing the mechanisms with vibratory effects and the oscillation phase shift device shown according to FIG. 16 in a plane in alignment.
  • Figure 25 is a complementary view according to Figures 22 to 24 showing the device as a whole.
  • Figure 26 is a complementary view according to Figure 5 showing the phase shift device with outputs of the shafts (S1 - S2) in the same direction.

Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative en se référant aux exemples de réalisation illustrés aux figures des dessins.In order to make the object of the invention more concrete, it is now described in a nonlimiting manner with reference to the exemplary embodiments illustrated in the figures of the drawings.

Le dispositif selon l'invention trouve de nombreuses applications en vue de la fabrication de produits destinés à être livrés et compactés tels que les moellons, ou de matériaux destinés à être tassés par des rouleaux ou cylindres, ou de matériaux destinés à être broyés et concassés.The device according to the invention finds numerous applications with a view to the manufacture of products intended to be delivered and compacted such as rubble stones, or of materials intended to be packed by rollers or cylinders, or of materials intended to be crushed and crushed .

Ce dispositif est défini par les mêmes moyens et on décrira successivement ce dispositif dans ses différentes applications.This device is defined by the same means and this device will be described successively in its different applications.

En se référant à la figure 1, le dispositif selon l'invention trouve une première application avantageuse non limitative pour le matériel et équipement pour la fabrication de moellons.Referring to Figure 1, the device according to the invention finds a first advantageous non-limiting application for the material and equipment for the manufacture of rubble.

Ainsi, dans l'application du dispositif à la fabrication des moellons, on a représenté une table (1) susceptible de reposer sur des moyens amortisseurs (2) du type silent-bloc disposés sur la face supérieure horizontale d'un bâti porteur (7). Ce bâti peut permettre le positionnement d'une ou de deux tables ou plus, indépendantes, tout en fonctionnant en parfait synchronisme. Dans la partie sous la table ou chacune des tables, est disposé le mécanisme vibrateur référencé dans son ensemble par (3), tandis que sur le plan supérieur de la ou de chacune des tables, est disposé un moule (4) susceptible de recevoir une masse de matériau (5) destiné à être compactée par une ou des presses (6).Thus, in the application of the device to the manufacture of rubble stones, there is shown a table (1) capable of resting on damping means (2) of the silent-block type arranged on the horizontal upper face of a supporting frame (7 ). This frame can allow the positioning of one or two or more independent tables, while operating in perfect synchronism. In the part under the table or each of the tables, is placed the vibrator mechanism referenced as a whole by (3), while on the upper plane of the or each of the tables, is arranged a mold (4) capable of receiving a mass of material (5) intended to be compacted by one or more presses (6).

Le mécanisme vibrateur précité soumet ainsi, par son action, la table à un mouvement vertical de va-et-vient à l'encontre des silent-blocs permettant le tassement du matériau.The aforementioned vibrating mechanism thus subjects, by its action, the table to a vertical movement back and forth against the silent-blocks allowing the compaction of the material.

Pour permettre la fabrication en continu des moellons, tout en évitant l'arrêt du vibrateur ou des ses moyens moteurs pendant la phase de changement du moule en vue de la fabrication d'un autre moellon, on utilise un dispositif qui est décrit ci-après et illustré aux dessins.To allow continuous production of rubble, while avoiding stopping the vibrator or its drive means during the mold change phase for the manufacture of another rubble, a device is used which is described below and illustrated in the drawings.

Le mécanisme vibratoire consiste à disposer, sous la table ou chacune des tables de réception, des moellons ou tous produits à vibrer en général, des ensembles de poulies (8 - 9, 10 - 11) couplées deux à deux et agencées pour recevoir des masses (12) judicieusement disposées formant balourds et ayant un effet vibratoire lors de la rotation des poulies. Ces masses ne sont disposées que sur une partie diamétrale des poulies et plus limitativement, selon un arc de cercle inférieur à leur demipérimètre.The vibratory mechanism consists in placing, under the table or each of the reception tables, rubble stones or all products to be vibrated in general, sets of pulleys (8 - 9, 10 - 11) coupled in pairs and arranged to receive masses (12) judiciously arranged forming unbalanced and having a vibratory effect during the rotation of the pulleys. These masses are arranged only on a diametrical part of the pulleys and more restrictively, according to an arc of a circle less than their semi-perimeter.

Dans un exemple de mise en oeuvre, lesdites poulies sont agencées avec une pluralité de trous (8.1, 9.1, 10.1, 11.1) régulièrement répartis radialement, et dans certains desquels est introduite une masse telle que morceau de plomb ou autre. Toutes les poulies sont crantées et sont accouplées deux à deux par une courroie dentelée (13), tandis qu'un tendeur (14) assure la mise en tension.In an exemplary implementation, said pulleys are arranged with a plurality of holes (8.1, 9.1, 10.1, 11.1) regularly distributed radially, and in some of which is introduced a mass such as piece of lead or the like. All the pulleys are notched and are coupled two by two by a toothed belt (13), while a tensioner (14) ensures the tensioning.

On a représenté, figures 2 et 3, le montage de ces poulies. Celles-ci sont disposées et maintenues par rapport à un corps (15) disposé dans un plan transversal par rapport au bâti (7), chaque corps de forme parallélépipédique est agencé avec des alésages intérieurs pour permettre le passage des axes de rotation desdites poulies et du tendeur associé à chaque couple de poulies. Ainsi, de part et d'autre de ce bloc, sont disposés un couple de poulies et de galets tendeurs. Dans sa partie supérieure, le bloc est agencé avec des consoles ou pattes (16) susceptibles d'être fixées par tous moyens à la partie inférieure de la table correspondante.There is shown, Figures 2 and 3, the assembly of these pulleys. These are arranged and maintained relative to a body (15) disposed in a plane transverse to the frame (7), each body of parallelepiped shape is arranged with internal bores to allow the passage of the axes of rotation of said pulleys and of the tensioner associated with each pair of pulleys. Thus, on either side of this block, are arranged a couple of pulleys and tension rollers. In its upper part, the block is arranged with brackets or legs (16) capable of being fixed by any means to the lower part of the corresponding table.

Ainsi qu'il apparaît aux dessins, les poulies (8, 9, 10 et 11) sont montées deux à deux (8 - 10, 9 - 11) sur deux arbres (S1 - S2) qui sont associés à un dispositif de déphasage susceptible de provoquer la rotation partielle de certaines des poulies entre elles et ainsi l'orientation des masses formant balourds. Certaines poulies sont montées clavetées sur les arbres (S1 et S2) et d'autres sont montées folles sur lesdits arbres dans une disposition judicieuse assurant leur mise en opposition.As it appears in the drawings, the pulleys (8, 9, 10 and 11) are mounted in pairs (8 - 10, 9 - 11) on two shafts (S1 - S2) which are associated with a phase shifting device capable of to cause the partial rotation of some of the pulleys between them and thus the orientation of the masses forming unbalanced. Some pulleys are mounted keyed on the trees (S1 and S2) and others are mounted idly on said trees in a judicious arrangement ensuring their placing in opposition.

En se référant à la figure 4 illustrant notamment l'utilisation de deux tables (1.1 et 1.2), il a ainsi été disposé les couples de poulies (8 - 9, 10 - 11) pour la première table, et les couples de poulies (18 - 19, 20 - 21) pour la seconde table. Les poulies (8 et 20) sont clavetées sur l'arbre (S2), les poulies (11 et 19) sont clavetées sur l'arbre (S1), les poulies (10 et 18) sont montées folles sur l'arbre (S2) et les poulies (9 et 21) sont montées folles sur l'arbre (S1).Referring to FIG. 4 illustrating in particular the use of two tables (1.1 and 1.2), the pairs of pulleys (8 - 9, 10 - 11) have thus been arranged for the first table, and the pairs of pulleys ( 18 - 19, 20 - 21) for the second table. The pulleys (8 and 20) are keyed on the shaft (S2), the pulleys (11 and 19) are keyed on the shaft (S1), the pulleys (10 and 18) are mounted idly on the shaft (S2 ) and the pulleys (9 and 21) are mounted idly on the shaft (S1).

En figure 4, les masses ou masselottes disposées sur chaque poulie se trouvent toutes dans le même plan pour permettre ainsi, lors du fonctionnement et la rotation des poulies, d'avoir un effet vibratoire commun susceptible d'agir sur la ou les tables précitées provoquant le tassement des matériaux, les arbres (S1 - S2) tournant en sens opposé.In Figure 4, the masses or weights arranged on each pulley are all in the same plane to allow, during operation and rotation of the pulleys, to have a common vibratory effect capable of acting on the aforementioned table or tables causing the compaction of materials, the shafts (S1 - S2) rotating in opposite directions.

Pour permettre l'annulation des effets vibratoires précités, il convient de modifier les positions respectives des masses disposées sur certaines poulies pour les déplacer en position diamétralement opposée, ainsi qu'il apparaîtra aux figures des dessins suivants.To allow the cancellation of the aforementioned vibratory effects, it is necessary to modify the respective positions of the masses arranged on certain pulleys to move them in diametrically opposite position, as will appear in the figures of the following drawings.

Pour assurer cet effet, il convient alors d'agir sur le ou les arbres (S1 - S2) provoquant un déphasage mécanique en rotation des poulies. Cela est réalisé par un dispositif de déphasage à oscillation disposé et associé aux arbres (S1 et S2) et dont une première variante a été illustrée figure 5.To ensure this effect, it is then necessary to act on the shaft or shafts (S1 - S2) causing a mechanical phase shift in rotation of the pulleys. This is achieved by an oscillation phase shift device arranged and associated with the shafts (S1 and S2) and a first variant of which has been illustrated in FIG. 5.

Ce dispositif qui est situé en dehors du bâti de réception de la ou des tables, comprend des arbres en prolongement des arbres moteurs (S1 - S2) associés par tous moyens d'accouplement complémentaires tels qu'articulations à cardans (22.1, 22.2 - 23.1 - 23.2)., Ainsi, les arbres (S1 - S2) ou leur prolongement également référencés (S1 - S2) pour la compréhension, se trouvent alors disposés dans une structure portante (24) et pivotante en (25) par rapport au carter support du dispositif de déphasage précité. L'arbre moteur (S1) est associé en bout à un bloc moteur (26) assurant le fonctionnement en continu de l'ensemble.This device which is located outside the receiving frame of the table or tables, comprises shafts in extension of the driving shafts (S1 - S2) associated by any complementary coupling means such as cardan joints (22.1, 22.2 - 23.1 - 23.2)., Thus, the shafts (S1 - S2) or their extension also referenced (S1 - S2) for understanding, are then arranged in a supporting structure (24) and pivotable at (25) relative to the support casing of the aforementioned phase shift device. The motor shaft (S1) is associated at the end with an engine block (26) ensuring the continuous operation of the assembly.

La structure portante (24) comprend ainsi deux flasques (24.1 - 24.2) présentant un profil en triangulation et entretoisés entre eux. Ils permettent la fixation de deux galets (29 - 30) disposés sensiblement dans les parties d'extrémités d'angles, tandis que ladite structure est articulée sur un axe (25) monté transversalement et solidarisé à ses extrémités à un boîtier ou carter de protection du dispositif de déphasage. Les flasques sont espacés entre eux pour permettre le positionnement d'une poulie (28) à position fixe montée sur l'arbre-moteur (S1). Les flasques présentent une ouverture oblongue (24.3) en rapport avec la position de ladite poulie lors de l'oscillation de la structure portante ainsi qu'il sera précisé. Une autre poulie (27) est disposée sur l'arbre (S2) en alignement axial de la poulie (28), à l'extérieur de la structure pivotante, lesdites poulies (27 - 28) étant fixées en position sur leurs arbres respectifs. Ainsi les deux galets (29 - 30) sont disposés de part et d'autre de l'axe défini entre les poulies (27 - 28). La poulie (27) se situe hors du volume de la structure portante.The supporting structure (24) thus comprises two flanges (24.1 - 24.2) having a triangular profile and braced between them. They allow the fixing of two rollers (29 - 30) arranged substantially in the end portions of angles, while said structure is articulated on an axis (25) mounted transversely and secured at its ends to a housing or protective casing of the phase shift device. The flanges are spaced apart to allow positioning of a pulley (28) in a fixed position mounted on the motor shaft (S1). The flanges have an oblong opening (24.3) related to the position of said pulley during the oscillation of the supporting structure as will be specified. Another pulley (27) is disposed on the shaft (S2) in axial alignment with the pulley (28), outside the pivoting structure, said pulleys (27 - 28) being fixed in position on their respective shafts. Thus the two rollers (29 - 30) are arranged on either side of the axis defined between the pulleys (27 - 28). The pulley (27) is located outside the volume of the supporting structure.

Une courroie crantée (31) est montée autour des poulies (27 - 28) et des galets (29 et 30) comme illustré aux dessins.A toothed belt (31) is mounted around the pulleys (27 - 28) and the rollers (29 and 30) as illustrated in the drawings.

La structure portante précitée est montée à articulation sur l'axe (25), lequel est situé à l'extérieur du plan défini par les poulies motrices (27 - 28). Ladite structure est disposée à l'intérieur du carter de protection (32) de l'ensemble de ces mécanismes.The aforementioned bearing structure is mounted with articulation on the axis (25), which is located outside the plane defined by the drive pulleys (27 - 28). Said structure is disposed inside the protective casing (32) of all of these mechanisms.

Il y a lieu de souligner que la position de l'axe (25) est avantageusement prédéterminée et unique de façon à conserver une largeur constante de la courroie (31). Par ailleurs, la structure portante (24) pivotante par rapport au bâti permet de ne pas utiliser de galet tendeur tel que pratiqué selon l'art antérieur.It should be emphasized that the position of the axis (25) is advantageously predetermined and unique so as to maintain a constant width of the belt (31). Furthermore, the bearing structure (24) pivoting relative to the frame makes it possible not to use a tension roller as practiced according to the prior art.

La structure portante est assujettie à un mouvement de pivotement angulaire ou à oscillation limitée par le biais par exemple d'un vérin (V) fixé au carter précité et dont la tige est associée à l'un des flasques précités. Une butée positive (68) réglable limite angulairement et présélectionne la valeur angulaire de déphasage. Cette butée positive est par exemple, ainsi qu'illustré figure 21, une barre (69) disposée transversalement entre les flasques (24.1 - 24.2), ladite butée étant associée à un élément profilé (70) monté à articulation par rapport à la structure portante (24) et avantageusement, à partir de l'axe (25) d'articulation de celle-ci. L'élément profilé est lui-même articulé à l'aide d'un vérin (71) fixé au carter de protection (32) du mécanisme. Selon le développement de la tige (71.1) du vérin (71), on définit une position de limite de pivotement de la structure portante (24) définissant ainsi une angulation maximum et entraînant un déphasage approprié des éléments vibratoires.The supporting structure is subjected to an angular pivoting movement or to limited oscillation by means, for example, of a jack (V) fixed to the aforementioned casing and the rod of which is associated with one of the aforementioned flanges. An adjustable positive stop (68) angularly limits and preselects the angular value of phase shift. This positive stop is for example, as illustrated in FIG. 21, a bar (69) disposed transversely between the flanges (24.1 - 24.2), said stop being associated with a profiled element (70) mounted at articulation with respect to the bearing structure (24) and advantageously, from the axis (25) of articulation thereof. The profiled element is itself articulated by means of a jack (71) fixed to the protective casing (32) of the mechanism. According to the development of the rod (71.1) of the jack (71), a position of pivot limit of the bearing structure (24) is defined, thus defining a maximum angulation and causing an appropriate phase shift of the vibratory elements.

On comprend ainsi que le pivotement angulaire de la structure portante va avoir un effet sur le positionnement des poulies (27 et 28) provoquant ainsi une action de déphasage des arbres (S1 et S2) l'un par rapport à l'autre. Ainsi et avantageusement, une oscillation de la structure portante de plus ou moins 12,75° entraîne un déphasage de 180°. Les arbres (S1 - S2) tournent dans des sens de rotation opposés.It is thus understood that the angular pivoting of the bearing structure will have an effect on the positioning of the pulleys (27 and 28) thus causing an action of phase shift of the shafts (S1 and S2) relative to each other. Thus and advantageously, an oscillation of the supporting structure by more or less 12.75 ° causes a phase shift of 180 °. The shafts (S1 - S2) rotate in opposite directions of rotation.

On a illustré aux figures (F6, F7, F8) les modifications possibles des poulies l'une par rapport à l'autre, selon le sens d'angulation donné à l'ossature portante.Illustrated in the figures (F6, F7, F8) are the possible modifications of the pulleys with respect to one another, according to the direction of angulation given to the load-bearing framework.

Ainsi qu'il résulte de la figure 4, toute action sur l'arbre moteur (S1) va provoquer la rotation partielle des poulies (11 et 19) clavetées sur l'arbre, de sorte que les masses ou masselottes situées sur ces poulies vont pivoter de 180° et prendre une position diamétralement opposée aux masses disposées sur les poulies (9 et 21). De par leur entraînement par courroie, les poulies (10 et 18) subiront le même effet et les masses prendront une position diamétralement opposée aux masses disposées sur les poulies (8 et 20). On obtiendra ainsi un montage en opposition des différentes masses permettant ainsi un équilibrage ou annulation des effets vibratoires sur la ou les tables support des moellons ou autres produits à vibrer, sans couple parasite. Lorsque les vibrations sont annulées, il y a un équilibre statique et dynamique des masses vibrantes.As follows from FIG. 4, any action on the drive shaft (S1) will cause the partial rotation of the pulleys (11 and 19) keyed onto the shaft, so that the masses or weights located on these pulleys will rotate 180 ° and take a position diametrically opposite to the masses arranged on the pulleys (9 and 21). By their belt drive, the pulleys (10 and 18) will suffer the same effect and the masses will take a position diametrically opposite to the masses disposed on the pulleys (8 and 20). There will thus be an assembly in opposition of the different masses thus allowing a balancing or cancellation of the vibratory effects on the table or tables supporting the rubble stones or other products to be vibrated, without parasitic torque. When the vibrations are canceled, there is a static and dynamic balance of the vibrating masses.

On a maintenant illustré aux figures 9, 10, 11, 12, 13, 14 et 15, l'application du dispositif précité lorsque les arbres moteurs (S1 - S2) tournent dans le même sens.We have now illustrated in FIGS. 9, 10, 11, 12, 13, 14 and 15, the application of the above-mentioned device when the drive shafts (S1 - S2) rotate in the same direction.

Selon la figure 9, outre les arbres (S1 - S2), on a illustré un ensemble permettant le déphasage des masses comprenant une poulie motrice (33), un tendeur (34) et quatre galets montés fous (35, 36, 37, 38) autorisant le montage entre eux d'une courroie crantée (39). Les galets (35, 36) sont montés dans un même plan d'alignement avec l'arbre moteur (S1) selon un axe X - X', tandis que les galets (37 - 38) sont montés dans le même plan d'alignement que l'arbre moteur (S2) selon un axe Y - Y'.According to FIG. 9, in addition to the shafts (S1 - S2), an assembly has been illustrated allowing the phase shift of the masses comprising a driving pulley (33), a tensioner (34) and four idler mounted rollers (35, 36, 37, 38 ) authorizing the mounting between them of a toothed belt (39). The rollers (35, 36) are mounted in the same alignment plane with the drive shaft (S1) along an axis X - X ', while the rollers (37 - 38) are mounted in the same alignment plane as the motor shaft (S2) along an axis Y - Y '.

A la figure 15, ont été représentées les sorties d'arbres moteurs (S1 - S2) qui sont accouplés à deux trains de poulies (T1 - T2).In FIG. 15, the outputs of the drive shafts (S1 - S2) which are coupled to two sets of pulleys (T1 - T2) have been shown.

Ainsi qu'il apparaît aux figures 10 et 15, les trains de poulies précités sont disposés de part et d'autre d'une structure porteuse (40) fixée par tout moyen approprié sur la ou les tables (1). Cette structure porteuse est agencée avec des alésages pour autoriser la mise en rotation des arbres (S1 - S2) et des poulies associées. Le premier train de poulies (T1) comprend ainsi les poulies (41 - 42 - 43 - 44) dont au moins une crantée avec un tendeur (45) et une courroie d'entraînement crantée (46). Le second train de poulies (T2) comprend ainsi les poulies (47 - 48 - 49 - 50) dont au moins une crantée avec un tendeur (51) et une courroie d'entraînement crantée (52). La poulie (42) est clavetée sur l'arbre moteur (S1), tandis que la poulie (48) est montée folle sur ce dernier. La poulie (49) est clavetée sur l'arbre moteur (S2) et la poulie (43) est montée folle sur ce dernier. Chacune des poulies (41, 42, 43, 44) - (47, 48, 49, 50) est agencée avec des couples de masses (53 - 54) disposés initialement, comme illustré figure 10, dans un même plan diamétral sous forme de deux quarts de cercle formant croissants juxtaposés.As shown in Figures 10 and 15, the above pulley trains are arranged on either side of a support structure (40) fixed by any suitable means on the table or tables (1). This supporting structure is arranged with bores to allow the shafts (S1 - S2) and associated pulleys to rotate. The first train of pulleys (T1) thus comprises the pulleys (41 - 42 - 43 - 44) including at least one notched with a tensioner (45) and a notched drive belt (46). The second set of pulleys (T2) thus comprises the pulleys (47 - 48 - 49 - 50) including at least one notched with a tensioner (51) and a notched drive belt (52). The pulley (42) is keyed onto the motor shaft (S1), while the pulley (48) is mounted idly on the latter. The pulley (49) is keyed onto the motor shaft (S2) and the pulley (43) is mounted idly on the latter. Each of the pulleys (41, 42, 43, 44) - (47, 48, 49, 50) is arranged with pairs of masses (53 - 54) initially arranged, as illustrated in FIG. 10, in the same diametral plane in the form of two quadrants forming juxtaposed crescents.

Les actions sur les axes X - X' et Y - Y' provoquent une angulation de ceux-ci par rapport à l'axe Z - Z' défini par le plan d'alignement de la poulie motrice (33) et du tendeur (34), et ont pour résultante de provoquer progressivement un écartement des masses (54) par rapport aux masses (53) jusqu'à venir, selon la figure 14, en position d'opposition diamétrale complète permettant ainsi d'annuler tout effet vibratoire sur la ou les tables précitées.Actions on the X - X 'and Y - Y' axes cause an angulation of these with respect to the axis Z - Z 'defined by the alignment plane of the drive pulley (33) and the tensioner (34), and have the result of gradually causing a separation of the masses (54 ) with respect to the masses (53) as far as coming, according to FIG. 14, in the position of complete diametric opposition thus making it possible to cancel any vibratory effect on the aforementioned table or tables.

On a illustré à la figure 16 et aux figures suivantes 17, 18, 19, une autre variante du dispositif de déphasage selon l'invention.Another variant of the phase shift device according to the invention has been illustrated in FIG. 16 and in the following figures 17, 18, 19.

Celui-ci est en fait un doublement du dispositif décrit et illustré figure 6. Dans ce cas, les arbres (S1 et S2) sont entraînés par un seul arbre moteur (55) avec respectivement deux galets de renvoi (56 - 57) (58 - 59) mis en mouvement par des courroies crantées (60 - 61). Les deux arbres (S1 et S2) tournent dans le même sens et l'arbre moteur (55) dans un sens opposé. Les deux sous-ensembles (S1 - 56 - 57) et (S2 - 58 - 59) peuvent être animés d'un mouvement de pivotement angulaire opposé ou similaire. Les arbres (S1 - S2) sont eux-mêmes agencés directement avec des masses montées en opposition. Ainsi les deux axes (S1 - S2) sont coaxiaux pour assurer un déphasage des éléments tournants sur un même axe.This is in fact a doubling of the device described and illustrated in Figure 6. In this case, the shafts (S1 and S2) are driven by a single drive shaft (55) with respectively two idler rollers (56 - 57) (58 - 59) set in motion by toothed belts (60 - 61). The two shafts (S1 and S2) rotate in the same direction and the motor shaft (55) in an opposite direction. The two sub-assemblies (S1 - 56 - 57) and (S2 - 58 - 59) can be animated by an opposite angular pivoting movement or the like. The trees (S1 - S2) are themselves arranged directly with masses mounted in opposition. Thus the two axes (S1 - S2) are coaxial to ensure a phase shift of the rotating elements on the same axis.

La figure 17 représente un déphasage de 0°, les masses venant en opposition directe.FIG. 17 represents a phase shift of 0 °, the masses coming in direct opposition.

La figure 18 représente un déphasage de 90° par suite d'une orientation des masses, les deux sous-ensembles étant dans le même plan.FIG. 18 represents a phase shift of 90 ° as a result of an orientation of the masses, the two sub-assemblies being in the same plane.

La figure 19 représente un déphasage à 180° en autorisant ainsi un équilibrage des masses et l'annulation des effets vibratoires.FIG. 19 represents a 180 ° phase shift, thus authorizing a balancing of the masses and the cancellation of the vibratory effects.

Ainsi, les avantages selon l'invention ressortent bien de la description. Dans les différentes réalisations décrites, on comprend que les différentes oscillations angulaires ont pour effet de déphaser l'arbre (S1) par rapport à l'arbre (S2). Cette opération peut se faire à vide, mais son intérêt réside essentiellement dans le fait de pouvoir l'effectuer en mouvement. Le dispositif appliqué par exemple aux vibrateurs permet ainsi de mettre les masses en opposition de phases, vibrations annulées, ou en phase vibrations maximales ou en phases partielles. Le moteur d'entraînement de l'ensemble n'a donc plus besoin d'être arrêté pour stopper la vibration. Ce dispositif est particulièrement intéressant pour les presses à parpaings ou moellons, ainsi que les extracteurs vibrants, ou les cribleurs. Le dispositif permet des variations importantes de déphasage avec une oscillation très faible des poulies et donc en un temps très court pratiquement instantané. Les figures 9 à 14 montrent l'application du dispositif à un vibrateur permettant un déphasage de celui-ci à 180° avec une oscillation des poulies (35, 36, 37, 38) de seulement 8°.Thus, the advantages according to the invention emerge clearly from the description. In the different realizations described, it is understood that the different angular oscillations have the effect of phase shifting the shaft (S1) relative to the shaft (S2). This operation can be done empty, but its interest lies mainly in the fact of being able to perform it in motion. The device applied for example to the vibrators thus makes it possible to put the masses in phase opposition, canceled vibrations, or in maximum vibration phase or in partial phases. The drive motor of the assembly therefore no longer needs to be stopped to stop the vibration. This device is particularly advantageous for concrete block presses or rubble stones, as well as vibrating extractors, or screeners. The device allows significant variations in phase shift with a very low oscillation of the pulleys and therefore in a very short time practically instantaneous. Figures 9 to 14 show the application of the device to a vibrator allowing a phase shift thereof of 180 ° with an oscillation of the pulleys (35, 36, 37, 38) of only 8 °.

Le dispositif dont les arbres de sortie (S1 - S2) tournent dans le même sens, s'applique aux vibrateurs multi-directionnels s'ils sont attaqués en direct, aux vibrateurs unidirectionnels s'ils sont attaqués, une ligne en direct et l'autre par pignon inverseur.The device whose output shafts (S1 - S2) rotate in the same direction, applies to multi-directional vibrators if they are attacked live, to unidirectional vibrators if they are attacked, a live line and the other by reverse gear.

On a illustré figure 20 une autre conception des poulies support de masses. Ces poulies (62) sont disposées dans un corps (63) susceptible d'être fixé à la table par des moyens (64) Ce corps permet la réception de deux poulies (62) et d'un galet tendeur (65) avec courroie crantée (66). Les poulies sont agencées avec des masses (67) fixées et solidarisées à demeure sur celles-ci.Another design of the mass support pulleys is illustrated in FIG. 20. These pulleys (62) are arranged in a body (63) capable of being fixed to the table by means (64). This body allows the reception of two pulleys (62) and a tension roller (65) with toothed belt. (66). The pulleys are arranged with masses (67) fixed and permanently fixed thereon.

On a illustré aux figures 21 à 25 l'utilisation du dispositif selon l'invention avec un rouleau ou cylindre constituant l'élément vibrant et permettant le tassement de matériaux. Ces figures sont ainsi en étroite dépendance du montage illustré figure 16 précédemment décrite.FIGS. 21 to 25 have illustrated the use of the device according to the invention with a roller or cylinder constituting the vibrating element and allowing the compaction of materials. These figures are thus in close dependence on the assembly illustrated in figure 16 previously described.

Dans cette réalisation, les deux axes (S1 - S2) sont montés concentriques l'un à l'autre en étant donc disposés dans un plan coaxial, selon un axe (A - A') dit "moteur".In this embodiment, the two axes (S1 - S2) are mounted concentric with one another, therefore being arranged in a coaxial plane, along an axis (A - A ') called "motor".

L'axe (S1) est défini par un tube (72) de grande longueur sur lequel est monté un manchon (73) de longueur plus réduite monté libre en rotation par des moyens de roulement appropriés. La rotation du manchon par rapport au tube est établie selon une angulation maximum de 180° correspondant au déphasage et déplacement des poulies pour mise en opposition.The axis (S1) is defined by a tube (72) of great length on which is mounted a sleeve (73) of shorter length mounted free in rotation by suitable rolling means. The rotation of the sleeve relative to the tube is established at a maximum angulation of 180 ° corresponding to the phase shift and displacement of the pulleys for setting in opposition.

Sur cet ensemble tube (72)- manchon (73) est disposé le rouleau ou cylindre (87) constituant l'élément vibrant destiné à tasser les produits ou matériaux en contact. Les extrémités (72.1 - 72.2) de l'axe reçoivent les poulies (74 - 75) agencées avec des trous (74.1 - 75.1) recevant des balourds (74.2 - 75.2) selon la mise en oeuvre décrite précédemment, ces poulies étant accouplées audit tube (72) comme indiqué précédemment. Ces deux poulies sont mises en fonctionnement par le tube précité. Parallèlement, le manchon central (73) reçoit également à ses extrémités un couple de poulies (76 - 77) agencées avec des balourds (76.1 - 77.1) et montées en opposition par rapport aux poulies précédentes. Les poulies (74 - 76) montées sur l'extrémité avant de l'ensemble tube-manchon sont accouplées par deux courroies de liaison (78 - 79) avec des poulies de renvoi (80 - 81) (82 - 83), tandis qu'un axe de renvoi (84) permet le fonctionnement simultané de deux sous-ensembles. Dans sa partie arrière, il est prévu un capot de protection (85) à position fixe se situant dans le prolongement du cylindre ou rouleau tandis que dans la partie avant du dispositif est prévu un réceptacle ou carter (86) protégeant les ensembles de poulies et du mécanisme de déphasage. L'ensemble desdites poulies (80 - 81) est également monté sur la structure portante (24) du type précité qui est articulée et commandée en rotation par un vérin de réglage (V) du type précité, et d'un vérin (70) de contrôle de butée. Dans cette réalisation, l'ensemble obtenu est compact.On this tube (72) - sleeve (73) assembly is disposed the roller or cylinder (87) constituting the vibrating element intended to compact the products or materials in contact. The ends (72.1 - 72.2) of the axis receive the pulleys (74 - 75) arranged with holes (74.1 - 75.1) receiving unbalances (74.2 - 75.2) according to the implementation described above, these pulleys being coupled to said tube (72) as previously indicated. These two pulleys are put into operation by the aforementioned tube. In parallel, the central sleeve (73) also receives at its ends a couple of pulleys (76 - 77) arranged with unbalances (76.1 - 77.1) and mounted in opposition with respect to the preceding pulleys. The pulleys (74 - 76) mounted on the front end of the tube-sleeve assembly are coupled by two connecting belts (78 - 79) with return pulleys (80 - 81) (82 - 83), while 'a return axis (84) allows the simultaneous operation of two sub-assemblies. In its rear part, a protective cover (85) is provided with a fixed position lying in the extension of the cylinder or roller while in the front part of the device is provided a receptacle or casing (86) protecting the sets of pulleys and of the phase shift mechanism. All of said pulleys (80 - 81) are also mounted on the supporting structure (24) of the aforementioned type which is articulated and controlled in rotation by an adjustment jack (V) of the aforementioned type, and a jack (70) for controlling the stop. In this embodiment, the assembly obtained is compact.

L'actionnement du dispositif de vibration et du type de déphasage permet ainsi d'appliquer au rouleau ou cylindre (87) un effet de vibration permettant des applications de l'invention à des rouleaux compacteurs de tassage des matériaux avec le contact du rouleau.The actuation of the vibration device and of the type of phase shift thus makes it possible to apply to the roller or cylinder (87) a vibration effect allowing applications of the invention to compacting rollers for packing materials with the contact of the roller.

On a représenté à la figure 26 une variante du dispositif de déphasage mettant en oeuvre les différents moyens décrits à la figure 5. Les arbres (S1 et S2) tournent dans le même sens. Pour ce faire, la courroie (31) est guidée par des galets complémentaires (88 - 89) pour permettre la rotation des deux arbres précités dans le même sens.FIG. 26 shows a variant of the phase-shifting device using the different means described in FIG. 5. The shafts (S1 and S2) rotate in the same direction. To do this, the belt (31) is guided by complementary rollers (88 - 89) to allow the rotation of the two aforementioned shafts in the same direction.

L'invention trouve une application non limitative aux machines et équipements pour la fabrication de moellons et parpaings. Le dispositif de déphasage associé au mécanisme vibratoire est utilisable pour tout matériel et machine destinés à recevoir des produits et devant être vibrés dans le phase de traitement.The invention finds a non-limiting application to machines and equipment for the manufacture of rubble stones and concrete blocks. The phase shift device associated with the vibratory mechanism can be used for any material and machine intended to receive products and which must be vibrated during the treatment phase.

Claims (18)

  1. Device controlling the vibrations imparted to machines of the type comprising a vibration generator equipped with pulleys featuring flyweights and rotated by drive shafts including a vibration mechanism consisting of sets of twin pulleys (8 - 9) (10 - 11) linked by belts (13) and designed to be equipped with flyweights (12) fitted only to a diametric part thereof, and in that said pulleys are mounted on two shafts (S1 - S2) rotating in the same direction or opposite direction which are connected to an oscillating phase-shift device designed to cause certain pulleys to rotate, thus changing the angular position of the corresponding flyweights, and generate, depending upon the positions required and selected, maximum, partial or no vibration with no unwanted torque, one of the shafts (S1) being driven by a motor running continuously regardless of the operating phase, and rollers connected to each pair of pulleys,
    characterized in that the sets of pulleys (8 - 10) (9 - 11) are mounted in pairs on two shafts (S1 - S2) and in that a first shaft (S1) has both keyed pulleys and idle pulleys and a second shaft (S2) has both keyed pulleys and idle pulleys, this being designed to form an alternating and opposed system of pulleys where each pair of pulleys linked by a belt (13) consists of a keyed pulley on one shaft (S1 or S2) and an idle pulley on one shaft (S2 or S1), and in that the vibrating weights can be in static and dynamic equilibrium when the vibrationless position is selected.
  2. Device as claimed in claim 1, characterized in that pulleys (8, 9, 10, 11) are designed with a plurality of radially and evenly distributed holes (8.1, 9.1, 10.1, 11.1), into some of which a lead flyweight is placed on the same diametral side.
  3. Device as claimed in claim 1, fitted on machines or equipment of the type comprising a vibrating platform (1) in relation to a frame and designed to receive a product to be vibrated in its top part and a vibrator fitted with pulleys in its bottom part, the vibrating mechanism being located under the vibrating platform, characterized in that pulleys (8, 9, 10, 11) are mounted around a support (15) installed crosswise in a frame (7) designed with holes for shafts of said pulleys and a roller (14) connected to each pair of pulleys, and in that a twin pulley and roller set is mounted on either side of the support and in that the support (15) is equipped with mounting brackets or lugs to attach (16) it by any means to the lower part of the platform.
  4. Device as claimed in any of claims 1 and 3, characterized in that drive shafts (S1 - S2) connected to the phase-shift device have extensions coupled by any additional coupling means (22.1 - 22.2) (23.1 - 23.2) to a double flange unit, said double flange unit (24) pivoting around shaft (25) attached to the protective housing of said phase-shift device, said unit comprising between two flanges (24.1 - 24.2), two rollers (29 and 30), said flanges being spaced to accomodate a fixed pulley (28) mounted onto drive shaft (S1), another pulley (27) being mounted on shaft (S2) in line with pulley (28), said pulleys (27 - 28) being fixed in place on their respective shafts (S1 - S2), a toothed belt (31) linking said pulleys and rollers, the angular pivoting of the double flange unit causing the phase-shifting of the shafts (S1 and S2) in relation to each other and the rotation of shaft (S1) in turn rotating the keyed pulley(s) of the vibration mechanism.
  5. Device as claimed in claim 4, characterized in that the axis of rotation or oscillation (25) of the double flange unit does not lie in the plane defined by the drive pulleys (27 and 28) and in that the double flange unit comprises two triangular flanges, rollers (29 and 30) being located at its two corners, the pulleys (28) being situated in the space between the flanges featuring an oblong slot (24.3), whereas pulley (27) is mounted outside the double flange unit in line with pulley (28), said double flange unit being moved by a jack (v), the body of which is connected to the protective housing of the device.
  6. Device as claimed in claim 5, characterized in that the double flange unit can be pivoted at an angle limited by an adjustable stop (68) determining the phase-shift angle.
  7. Device as claimed in claim 6, characterized in that the stop is a cross-mounted rod (69) between the flanges (24.1 - 24.2) of the double flange unit, said stop being linked to a profiled part (70) hingedly mounted with regard to the double flange unit and about its rotational axis (25), said profiled part (70) being moved by a jack (71) mounted onto the protective housing (32).
  8. Device as claimed in claim 7, characterized in that oscillating the double flange unit at an angle of plus or minus 12.75° will cause a phase-shift angle of 180° of the pulleys equipped with flyweights.
  9. Device as claimed in claim 1, characterized in that, besides drive shafts (S1 and S2), the phase-shift device comprises a drive pulley (33), a tensioning roller (34) and four idle rollers (35, 36, 37, 38) equipped with a toothed belt (39), and in that rollers (35 - 36) are mounted in the same plane as drive shaft (S1) along an X - X' axis, whereas rollers (37 - 38) are mounted in the same plane as drive shaft (S2) along an Y - Y' axis with drive pulley (33) and tensioning roller (34) being aligned along a Z - Z' axis, and in that shafts (S1 - S2) drive two sets of pulleys (T1 - T2) bearing the flyweights.
  10. Device as claimed in claim 9, characterized in that the sets of pulleys (T1 - T2) are mounted on both sides of a support (40) fastened to the platform (1), said support being equipped with holes for drive shafts (S1 and S2) and the pulleys they drive fitted with flyweights, the first set comprising pulleys (41, 42, 43, 44), one of which at least is of the toothed kind, as well as a tensioning roller (45) and a toothed drive belt (46), the second set comprising pulleys (47, 48, 49, 50), one of which at least is toothed, as well as a tensioning roller (51) and a toothed drive belt (52), certain pulleys (42 and 49) being keyed on drive shafts (S1 and S2) and certain pulleys (48 and 43) being mounted idle on drive shafts (S1 and S2).
  11. Device as claimed in claim 10, characterized in that pulleys (41, 42, 43, 44) (47, 48, 49, 50) are fitted with flyweights, and in that changes in the X - X' and Y - Y' axes will cause the flyweights to progressively move until they are diametrically opposed.
  12. Device as claimed either of claims 1 or 4, characterized in that shafts (S1 - S2) are driven by a single shaft (55) and are complete with two idler rollers each (56, 57) and (58, 59) and driven by belts (60, 61), it being possible to pivot the two subassemblies (S1, 56, 57) and (S2, 58, 59) in opposed or in similar angular directions, shafts (S1 and S2) being coaxial to ensure the phase-shifting of the assemblies on the same shaft.
  13. Device as claimed in any of claims 1 to 4 and 12, characterized in that in the application of a vibrating roller or cylinder for tamping or compacting purposes, the two shafts (S1 and S2) are concentric and coaxial, shaft (S1) being a long tube (72) onto which is mounted a shorter sleeve (73), the sleeve and the tube turning at a maximum angle of 180° in relation to each other which corresponds to the pulley phase-shift,
    and in that onto this tube (72) and sleeve (73) assembly is mounted a roller or cylinder (87), which is the vibrating element,
    and in that said tube is fitted with a pair of pulleys (74, 75) at each end, equipped with flyweights (74.2, 75.2), the centrale sleeve being likewise fitted with a pair of pulleys (76, 77) at each end, also equipped with flyweights (76.1, 77.1) and opposed to the pulleys (74 - 75), pulleys (74 - 76) being linked by two drive belts (78, 79) with four idler pulleys (80 - 81) and (82 - 83), an idler shaft (84), causing the two subassemblies to operate.
  14. Device as claimed in claim 13, characterized in that a casing (85) is in line with the roller or cylinder (87) to protect the pulleys at the rear of the shafts (S1 and S2), a casing protecting the pulleys at the front of the shafts (S1 - S2) and the phase-shift device, said pulleys (80 - 81) being mounted onto a double flange unit articulated and controlled as to angular orientation by jack (V - 70).
  15. Device as claimed in claim 4, characterized in that shafts (S1 and S2) rotate in the same direction complementary rollers (88, 89) being used as guides for belt (31).
  16. Device as claimed in any of claims 1 to 13, characterized in its application to concrete block manufacturing.
  17. Device as claimed in any of claims 1 to 13, characterized in its application to any type of vibrating or compacting machine or equipment.
  18. Device as claimed in any of claims 13, 14 or 15, characterized in its application to compacting rollers.
EP92911273A 1991-05-22 1992-05-22 Device allowing the control and action of vibratory effects on machines and materials particularly for the treatment of products intended to be vibrated, compressed and compacted Expired - Lifetime EP0585323B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9106353 1991-05-22
FR9106353A FR2676664B1 (en) 1991-05-22 1991-05-22 DEVICE AUTHORIZING THE CONTROL AND ACTION OF VIBRATORY EFFECTS ON MACHINES INTENDED IN PARTICULAR FOR THE MANUFACTURE OF PRODUCTS INTENDED TO BE VIBRATED AND COMPACT.
PCT/FR1992/000459 WO1992020467A1 (en) 1991-05-22 1992-05-22 Device allowing the control and action of vibratory effects on machines and materials particularly for the treatment of products intended to be vibrated, compressed and compacted

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EP0585323A1 EP0585323A1 (en) 1994-03-09
EP0585323B1 true EP0585323B1 (en) 1996-04-03

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US (1) US5496132A (en)
EP (1) EP0585323B1 (en)
JP (1) JPH06508296A (en)
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DE (1) DE69209644D1 (en)
FR (1) FR2676664B1 (en)
WO (1) WO1992020467A1 (en)

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DE3709112C1 (en) * 1986-08-27 1988-01-28 Knauer Maschf Gmbh Vibrating device for a concrete block molding machine
DE3801835A1 (en) * 1988-01-22 1989-08-03 Hella Kg Hueck & Co Unbalance exciter
US4858691A (en) * 1988-06-13 1989-08-22 Baker Hughes Incorporated Gravel packing apparatus and method
US4856591A (en) * 1988-03-23 1989-08-15 Baker Hughes Incorporated Method and apparatus for completing a non-vertical portion of a subterranean well bore
US4915172A (en) * 1988-03-23 1990-04-10 Baker Hughes Incorporated Method for completing a non-vertical portion of a subterranean well bore
US4951750A (en) * 1989-10-05 1990-08-28 Baker Hughes Incorporated Method and apparatus for single trip injection of fluid for well treatment and for gravel packing thereafter
US5217077A (en) * 1991-06-20 1993-06-08 Baker Hughes Incorporated Resettable packer
US5180010A (en) * 1991-07-26 1993-01-19 The Western Company Of North America Multiple acting lock for gravel pack system

Also Published As

Publication number Publication date
CA2109724A1 (en) 1992-11-26
ATE136237T1 (en) 1996-04-15
EP0585323A1 (en) 1994-03-09
FR2676664A1 (en) 1992-11-27
DE69209644D1 (en) 1996-05-09
US5496132A (en) 1996-03-05
JPH06508296A (en) 1994-09-22
FR2676664B1 (en) 1995-01-27
WO1992020467A1 (en) 1992-11-26

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