EP2257415B1 - Dispositif de fabrication de parpaings en béton à vibrations harmoniques par excitation du moule et procédé de mise en forme et compactage de mélanges de béton - Google Patents

Dispositif de fabrication de parpaings en béton à vibrations harmoniques par excitation du moule et procédé de mise en forme et compactage de mélanges de béton Download PDF

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Publication number
EP2257415B1
EP2257415B1 EP09715186.4A EP09715186A EP2257415B1 EP 2257415 B1 EP2257415 B1 EP 2257415B1 EP 09715186 A EP09715186 A EP 09715186A EP 2257415 B1 EP2257415 B1 EP 2257415B1
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EP
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Prior art keywords
vibration
surcharge
board
frame
vibrating
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EP09715186.4A
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German (de)
English (en)
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EP2257415A2 (fr
Inventor
Joerg-Henry Schwabe
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IAB Institut fuer Angewandte Bauforschung Weimar gGmbH
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IAB Institut fuer Angewandte Bauforschung Weimar gGmbH
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Priority to PL09715186T priority Critical patent/PL2257415T3/pl
Publication of EP2257415A2 publication Critical patent/EP2257415A2/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
    • B28B3/06—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould with two or more ram and mould sets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/022—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space whereby the material is subjected to vibrations

Definitions

  • such a device comprises (i) a replaceable mold insert which receives the mixture to be compacted, (ii) a vibrating frame to which the mold insert is non-positively and / or positively connected, (iii) a vibration exciter system attached to the vibrating frame, with which the vibration frame is placed in substantially harmonic vibration, (iv) a ballast assembly, and (v) a backing board which is pressed against the mold insert from below during vibration.
  • the apparatus also includes a board lift assembly comprising one or more log lifting cylinders and a board lift.
  • the invention also relates to a method for shaping and compacting mixtures with a device according to one of claims 1 to 10.
  • shock vibration for the shaping and compression of mixtures, especially concrete quantities in stiff to very stiff consistency has been known for many years.
  • devices are mostly used in industrial production, which generate shock-like vibrations for the compression of the concrete amount by the generation of shock processes between machine components and act on the mixture to be processed.
  • shock vibration with the very intense compaction effect are faced with a number of significant disadvantages. These consist in the extremely high load the machine technology and the associated high machine wear and the operating costs, in the high environmental impact with vibrations, and in the extreme noise emission.
  • the harmonic motion functions with the required acceleration amplitudes are generated by various technical methods. It can be assumed that the values of the accelerations in the exciter frequency must at least come to the order of magnitude of the accelerations in the excitation frequency in the event of shock-like vibration in order to achieve comparable compaction effects.
  • This force is applied by vertically movable spring assemblies, which press on the mold during the vibration and are positioned on the opposite side of the spring temporarily fixed to the frame. Due to their elastic properties, they ensure the oscillating movement of the vibration bandage.
  • a load assembly pushes passively or actively with its own vibratory drives during the vibration action on the upper side of the concrete in the mold chambers amount.
  • a vibration frame is mounted on a machine frame via elastic damping elements.
  • the vibration frame is equipped with a vibration exciter system attached directly to it.
  • a mold insert is used in the vibration frame.
  • a backing board is pressed to the mold insert from below with a board lift assembly during vibration.
  • the base board, on which elements are attached, which determine the shape of the stones is inserted into the bottom of the mold and fixed there.
  • the object of the invention is, while maintaining the method of shaping and compaction of mixtures, preferably concrete quantities in rigid and very stiff consistency for the production of concrete products and paving stones by means of the harmonic vibration action to develop a manufacturing facility, which is characterized by a significant simplification of the particular tension in terms of size of the clamping force and a reduction of the necessary for the plant of the backing board to the mold insert forces.
  • a device according to claim 1 and a method according to claim in that the backing board is elastically connected to the board stroke via board springs, and during vibration by a force applied by the board lifting cylinder such a contact force is pressed against the molding insert (i) forming chambers are closed downwardly and relative motion between mold insert and backing board is eliminated, and (ii) vibration frame, mold insert and backing board without clamping as a temporary vibratory bandage perform synchronous, harmonic swinging motion while the board lifting assembly remains in a frame fixed position ,
  • a temporary vibration or vibration dressing is understood to mean that said three components do not change their relative position relative to one another during the vibration. In this case, the vibrations preferably take place not only with the same amplitude but also with the same phase position.
  • a vibration excitation on the backing board is used.
  • an auxiliary swing table with an auxiliary vibration exciter system is mounted between the board stroke and the base board.
  • additional vibrations are introduced into the mixture, which are coordinated with the vibration excitation on the vibration frame.
  • the mold insert and the board each have their own excitation system, which is necessary for their harmonic oscillatory movement.
  • the excitation systems are coordinated via a controller. So only small forces between mold insert and base plate are exchanged.
  • the temporary vibratory structure is formed within the concrete block maker so that the force path between the source of excitation forces - the vibratory exciter system - and the amount of concrete to be compacted in the mold insert is reduced to the shortest possible extent by the vibration exciter system acts directly on the mold insert on the vibration frame and initiates the excitement forces directly into the form.
  • the mold insert For the production of concrete blocks and concrete products in various dimensions of the mold insert is designed as a detachable from the vibrating frame component. Depending on the product to be manufactured, the respectively required mold insert is placed in the vibration frame and i. A. non-positively and / or positively connected thereto.
  • the ability to vibrate the Form Rushing the vibrating frame and the vibration exciter system attacking it is achieved by an elastic mounting on vibrating frame springs, via which the vibrating frame is elastically connected to a frame-fixed machine frame.
  • the vibration frame springs thus simultaneously take over the vibration isolation with respect to the machine frame.
  • the vibration frame can then oscillate freely with vibration excitation as part of the temporary vibration bandage - vibration frame, mold insert, and base board vibrations with the same amplitude and the same phase.
  • the backing plate follows by a resilient contact with the mold bottom by means of spring elements of the oscillatory motion of the mold and ensures a secure closure of the mold chambers during the harmonic vibration.
  • the load assembly comprises a load, a load cylinder and one or more load springs, wherein the Auflastthubzylinder frame fixed to a machine frame, wherein the load is elastically connected via the Auflastfedern with the frame-fixed part of the load assembly, and wherein the Auflasthubzylinder the load during the vibration with such a force on the surface of the mixture to be compacted presses (i) no lifting of the load from the surface of the batch takes place and (ii) the surcharge on the elastic attachment with the Auflastfedern the movements of the surface the mixture follows. Upwards, each mold chamber is then temporarily closed during the harmonic vibration by a respective load plate. All load plates are combined as an assembly and form the ballast assembly.
  • the attached to the vibration frame vibration exciter system is designed in mirror-symmetrical design to a vertical center plane formed by the vertical center of the mold and is dynamically preferably operated so that the mold is subjected to the compacted concrete amount with a directed vertical vibration. But horizontal vibration components are possible.
  • the inventive task of simplifying the bracing, in particular with regard to the size of the bracing force is achieved in that it is omitted in the previous function. Because of the direct application of force in the vibrating frame with mold insert a strain between unbalance exciter and mold insert, which opens and closes for the demoulding in the clock cycle, no longer required.
  • the temporarily secure connection of the base plate with the mold during the harmonic vibration is achieved by a Bretthub coupled Bretthubzylinder that moves the backing board from below against the mold insert. Because of the much smaller oscillating mass of the backing board including proportionate batch mass in relation to the moving masses in previous solutions from the prior art significantly smaller forces for the temporary installation of the base plate to the form are required to be applied by the Bretthubzylinder or , During harmonic vibration, the board springs ensure the movement of the backing board with the mold and its permanent abutment against the bottom of the mold.
  • the vibration is set to zero, which can be achieved by switching off or by power-free operation z. B. can be reached in a four-wave arrangement.
  • the shuttering is carried out by a synchronous movement of the Bretthubzylinders and Auflasthubzylinders down, the shape maintains its position.
  • the vibratory exciter system comprises a single shaft unbalance exciter, ie a pair of unbalance exciter shafts or torsionally coupled unbalanced vibratory strands installed in mirror symmetry with the vibrating frame with respect to the vertical center plane of the mold and in opposite directions the same speed and mirror-symmetrical phase position to work vertical vertical center plane.
  • a single shaft unbalance exciter ie a pair of unbalance exciter shafts or torsionally coupled unbalanced vibratory strands installed in mirror symmetry with the vibrating frame with respect to the vertical center plane of the mold and in opposite directions the same speed and mirror-symmetrical phase position to work vertical vertical center plane.
  • vertically directed harmonic oscillations are excited.
  • the vibration exciter system comprises an imbalance exciter in a double-shaft arrangement or in a four-shaft arrangement, ie a pair of mirror-symmetrically mounted and driven double or administratfachunwuchterregerwellen or torsionally coupled unbalanced vibration strands which both produce a directed harmonic vibration effect on the mold and in a advantageous development as unbalance exciter pair with Verstellunwucht in coaxial shaft arrangement enable adjustment of the effective resulting excitation force amplitude during the vibration continuously between zero and a maximum by pairwise synchronous changing the phase position between the corresponding unbalanced shafts. This feature allows, for example, a zero exciter power up the speed from zero to the operating speed.
  • a further embodiment of the invention consists in the application of a force-excited vibration drive via hydraulic, pneumatic or piezoelectric actuators that put the vibration frame with mold insert as a single drive or in a mirror-symmetrical arrangement with respect to the vertical shape center plane in vertical harmonic oscillations. Because of the lower excitation forces in comparison to the harmonic vibration of the prior art, smaller components can be used here as units of purchase.
  • the Bretthubbaue expediently performs a lifting movement, which is at least as large as the height of the finished compacted and deactivated product.
  • vibration frame and mold insert perform such a large stroke movement.
  • Fig.1 is the basic structure of a device for shaping of mixtures, in particular for the production of concrete blocks shown, but without an auxiliary swing table.
  • the device comprises a replaceable mold insert (4) for receiving the mixture to be compacted (17), a vibration frame (5) to which the mold insert (4) is non-positively and / or positively connected, a vibration exciter system attached to the vibration frame (5) with which the vibrating frame (5) is set in substantially harmonic vibration, an impact assembly and a backing board (7) which is pressed from below onto the mold insert (4) during vibration so that the vibrating frame (5), mold insert (4 ), and backing board (7) form a temporary vibration bandage and perform substantially the same swinging movements.
  • the vibration exciter are generally mounted in a mirror-symmetrical arrangement to the mold center plane, in the simplest case an unbalance exciter pair in single-shaft arrangement (11) is sufficient.
  • the vibration frame (5) is the component that transmits the vibrations from the vibration source - the vibration exciters - to the mold insert (4) with the mixture (17) to be compacted therein. From the vibration engineering Requires out he ensures the rigidity of the vibrating bandage, consisting of vibration frame (5) with attached vibration exciters, the mold insert (4) and backing board (7) and ballast (2).
  • the vibration frame thus fulfills the same function as the vibration table and the mold frame of a technical solution according to the prior art. Due to the short force path and the compact design, the moving mass of the solution according to the invention is advantageously significantly lower in comparison to known solutions such as in DE 20301954 , This is associated with a significant reduction of the excitation forces while achieving equal acceleration amplitudes for the shaping and compression of the batch.
  • the backing board (7) is pressed after its transfer into the position shown with the Bretthubbauè consisting of Bretthubzylinder (10), Bretthub (8) and board springs (9) against the vibration of the mold insert (4).
  • the elastic connection between the backing board (7) and board stroke (8) via the board springs (9) together with a sufficient applied by the Bretthubzylindern (10) contact force ensures the mobility of the backing board (7) during the vibration without it from the mold insert (4 ) takes off. It follows during the vibration action of the movements of the mold insert (4) and closes the mold chambers down.
  • a further advantage of the invention is that the necessary clamping forces between vibrational and shaping components - ie according to the invention between vibrating frame (5) with mold insert (4), vibration exciter and base plate (7) - because of the much lower mass of the backing board (7) compared to the known masses of the components to be clamped in the Trade journal "Betonwerk + Fertigteil-Technik", issue 10/2007, p.
  • the mixture to be compacted (17) is filled before the start of vibration. Thereafter, the on-load assembly consisting of lift lift cylinder (1) and load (2) lowers until the load plates hit the batch surface to press.
  • the preloading springs (3) ensure the movement of the ballast (2) during the vibration and the vibration isolation to the machine frame.
  • the vibrating frame (5) with mold insert (4) remains in its position, unlike the prior art, which is advantageous for vibration exciter and filling car. Due to the fixed position of the vibration frame (5) with mold insert (4) eliminates the Formhub observed from the prior art, which had to lift during the demoulding relatively high masses.
  • the demoulding takes place in the solution according to the invention by the board stroke with smaller masses to be moved, with ballast movement and Bretthub proceed in a coordinated manner. If required, a decoupling by Formhub is still possible, in which case the backing board (7) can remain in its position.
  • Fig. 2 shows design variants of the vibration frame (5) with attached vibration exciters and mold insert (4).
  • the vibration exciter system may consist of rotating unbalance systems, which are mounted in pairs on the sides and synchronized z. B. with the help of an electronic control.
  • the vibration generation can also be done by means of dynamically operating hydraulic, pneumatic, electrical or piezoelectric actuators (15).
  • Fig. 3 shows an exemplary solution of the connection between the vibration frame (5) and mold insert (4).
  • This play-free connection can be done mechanically by means of screwing or by means of wedge-shaped clamping elements (16), such as a clamping plate, whereby hydraulic actuators can also be used.
  • Fig. 4 finally shows the device according to the invention with the auxiliary vibrating table.
  • the auxiliary swing table (19) has an auxiliary vibration exciter system (20) which serves to coordinate the movement of the base board (7) relative to the movement of the vibration frame (5) with mold insert (4).
  • a control (21) both movements are coordinated so that the backing board (7) during the vibration always on the bottom of the mold insert (4) is applied and at the same time the required pressure forces are minimized.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Claims (12)

  1. Dispositif pour mouler et compacter des mélanges, préférablement des mélanges de béton à consistance ferme jusqu'à très ferme pour la fabrication de blocs en béton et d'articles en béton avec décoffrage immédiat et essentiellement l'utilisation de vibrations harmoniques comprenant,
    - un moule amovible (4) dans lequel le mélange (17) à compacter est coulé
    - un cadre vibrant (5) auquel le moule (4) est connecté par complémentarité de forme et/ou par adhérence,
    - un system vibreur d'excitation fixé au cadre vibrant (5) à l'aide duquel le cadre vibrant (5) est mis en vibration essentiellement harmonique et qui au travers du cadre vibrant (5) agit directement sur le moule (4),
    - un ensemble portant
    - une planche de support (7) qui est pressée contre le moule (4) pendant la vibration au travers d'une force de contact,
    - des outils de réglage de la force de contact et
    - un ensemble de levage qui comprend un ou plusieurs vérins de levage (10) et une base de levage (8),
    - Caractérisé en ce que la planche de support (7) est élastiquement reliée à la base de levage (8) au travers de supports élastiques (9) et les outils de réglage de la force de contact sont ajustés de façon que (i) la planche de support (7) soit pressée contre le moule (4) pendant la vibration au travers d'une force de contact appliquée par les vérins de levage de façon que les compartiments du moules (4) soient fermés à leurs bases et un mouvement relatif entre les compartiments du moule (4) et la planche de support (7) soit exclu et (ii) le cadre vibrant (5), le moule (4) et la planche de support (7) effectuent, en tant qu' assemblage temporaire de vibration, un mouvement oscillatoire harmonique synchronisé sans cramponnage pendant que l' ensemble de levage reste en position fixe, en ce
    - qu'une table vibrante de faible dimension (19) et un system vibreur d'excitation supplémentaire (20) - au travers desquelles des vibrations supplémentaires sont induites dans le mélange (17) - sont placés entre la base de levage (8) et la planche de support (7), en ce que ces vibrations supplémentaires sont coordonnées à l'excitation oscillatoire provenant du cadre vibrant (5) au travers d'un réglage automatique (21) pour réduire la force de contact.
  2. Dispositif selon la revendication 1 caractérisé en ce que le cadre vibrant (5) est élastiquement connecté à un châssis (18) fixe au travers de supports élastiques (6) et qu'il peut effectuer des oscillations libres en tant que partie de l'assemblage temporaire de vibration.
  3. Dispositif selon la revendication 1 ou 2, dont l'ensemble portant comprend une charge (2), un vérin de levage (1) et un ou plusieurs amortisseurs (3), dont le vérin de levage (1) est fermement relié à un châssis (18), dont la charge (2) est élastiquement connectée à la partie fixe de l'ensemble portant au travers d' amortisseurs (3), dont le vérin de levage (1) et la charge (2) agissent au travers d'une force sur la surface du mélange (17) à compacter de façon qu' aucun soulèvement de la charge (2) au dessus de la surface du mélange (17) ne se produise pendant la vibration et que (ii) la charge (2) suive les mouvements de la surface du mélange (17) au travers de la connexion élastique aux amortisseurs (3).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le moule (4) est relié sans jeu au cadre vibrant (5) au travers d'éléments (16) de serrage cunéiformes
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le system vibreur d'excitation (20) comprend une paire d'excitateurs à balourd - dont chaque excitateur comprend un arbre simple d'entrainement (11) - qui dispose de deux excitateurs à balourd ou de vibrateurs à balourd dont les arbres sont couplés de façon rigide à la torsion, dont les axes de rotation sont parallèles, tournent respectivement dans le sens opposé avec la même vitesse de rotation et ont des positions de phase symétriques par rapport à l'axe verticale du milieu du moule.
  6. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le system vibreur d'excitation comprend une paire d'excitateurs à balourd - dont chaque excitateur comprend deux arbres d'entrainement (12) - ou une paire d'excitateurs à balourd - dont chaque excitateur comprend quatre arbres d'entrainement (13) - qui dispose de quatre ou huit excitateurs à balourd ou de vibrateurs à balourd dont les arbres sont couplés de façon rigide à la torsion, dont les axes de rotation sont parallèles, tournent par paires respectivement dans le sens opposé avec la même vitesse de rotation et ont des positions de phase symétriques par rapport à l'axe verticale du milieu du moule.
  7. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le system vibreur d'excitation comprend un excitateur à balourd pourvu d'un balourd réglable comprenant un system d'arbres d'entrainement coaxial (14) - qui dispose de deux, quatre ou huit excitateurs à balourd ou de vibrateurs à balourd dont les arbres sont couplés de façon rigide à la torsion, dont les axes de rotation sont parallèles, tournent respectivement dans le sens opposé avec la même vitesse de rotation et ont des positions de phase symétriques par rapport à l'axe verticale du milieu du moule. Deux balourds souples, munis chacun d'un moteur, capables de tourner d'un angle de 0 à 180° autour de l'axe de rotation commun sont installés au niveau de chaque arbre d'entrainement de façon que leur centre de gravité soit situé dans un plan perpendiculaire à l'axe de rotation.
  8. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le system vibreur d'excitation comprend, en tant qu'excitateur, vibrant un ou plusieurs actuateurs hydrauliques, pneumatiques, électriques et piézoélectriques, dont un coté respectif est fermement fixé et l'autre coté respectif est relié au cadre vibrant (5) de façon que celui ci soit mit en mouvements oscillatoires.
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'ensemble de levage effectue un mouvement de levage, dont la course est au moins aussi grande que la hauteur du produit compacté et décoffré.
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le cadre vibrant (5) et le moule (4) effectuent un mouvement de levage dont la course est au moins aussi grande que la hauteur du produit compacté et décoffré.
  11. Méthode de moulage et de compactage des mélanges, préférablement des mélanges de béton à consistance ferme jusqu'à très ferme pour la fabrication de blocs de béton et d'articles en béton avec décoffrage immédiat et essentiellement l'utilisation de vibrations harmoniques avec un dispositif selon l'une quelconque des revendications 1 à 10, dont
    - le mélange (17) est coulé dans le moule amovible (4),
    - le moule est connecté par complémentarité de forme et/ou par adhérence au cadre vibrant (5),
    - le cadre vibrant (5) est mis en vibration essentiellement harmonique à l'aide d'un system vibreur d'excitation fixé à ce cadre vibrant (5) et qui à l'aide d'un system vibreur d'excitation agit directement sur le moule (4) au travers du cadre vibrant (5),
    - l'ensemble de levage ferme le moule (4) pendant la vibration, et
    - la planche de support (7) presse contre le dessous du moule (4) pendant la vibration au travers d'une force de contact,
    - la force de contact est réglée de façon que le cadre vibrant (5), le moule (4) et la planche de support (7) forment, sans cramponnage, un assemblage temporaire de vibration et effectuent essentiellement les mêmes mouvements oscillatoires harmoniques,
    - à cause desquelles la planche de support (7) est pressée contre le moule (4) pendant la vibration au travers d'une force de contact exercée par des vérins de levage (10), qui forment avec une base de levage (8) un ensemble de levage du dispositif tandis que la planche de support (7) est reliée de manière élastique à la base de levage (8) au travers de supports élastiques (9) de façon que (i) les compartiments du moules (4) soient fermés à leurs bases et un mouvement relatif entre le moule(4) et la planche de support (7) soit exclu et (ii) le moule(4) et la planche de support (7) effectuent un mouvement synchronisé pendant que l' ensemble de levage reste en position fixe et
    - le mouvement relatif de la planche de support (7) par rapport à celui du cadre vibrant (5) ainsi que celui du moule (4) soient coordonnés à l'aide d'un system vibreur d'excitation supplémentaire (20) fixé à une table vibrante de faibles dimensions (19) tandis que les deux mouvements sont coordonnés, au travers d'un réglage automatique (21), de façon que la force de contact permettant le contact entre la planche de support (7) et la base du moule (4) soit réduite.
  12. Méthode selon la revendication 11, caractérisé en ce que l'ensemble portant comprend une charge (2), un vérin de levage (1) et un ou plusieurs amortisseurs (3), dont le vérin de levage (1) est fermement relié à un châssis (18) et dont la charge (2) est reliée de manière élastique à la partie fixe de l'ensemble portant au travers d' amortisseurs (3) et dont le vérin de levage (1) et la charge (2) agissent au travers d'une force sur la surface du mélange (17) à compacter de façon qu' aucun soulèvement de la charge (2) au dessus de la surface du mélange (17) ne se produise pendant la vibration et que (ii) la charge (2) suive les mouvements de la surface du mélange (17) au travers de la connexion élastique aux amortisseurs (3).
EP09715186.4A 2008-02-26 2009-02-25 Dispositif de fabrication de parpaings en béton à vibrations harmoniques par excitation du moule et procédé de mise en forme et compactage de mélanges de béton Active EP2257415B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09715186T PL2257415T3 (pl) 2008-02-26 2009-02-25 Urządzenie do wytwarzania cegieł betonowych z wibracją harmoniczną przez wzbudzanie formy oraz sposób formowania i zagęszczania mieszanin betonowych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008011272A DE102008011272A1 (de) 2008-02-26 2008-02-26 Betonsteinfertiger mit harmonischer Vibration durch Formerregung
PCT/EP2009/001317 WO2009106297A2 (fr) 2008-02-26 2009-02-25 Dispositif de fabrication de parpaings en béton à vibrations harmoniques par excitation du moule

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EP2257415A2 EP2257415A2 (fr) 2010-12-08
EP2257415B1 true EP2257415B1 (fr) 2013-04-10

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EP (1) EP2257415B1 (fr)
DE (1) DE102008011272A1 (fr)
DK (1) DK2257415T3 (fr)
PL (1) PL2257415T3 (fr)
WO (1) WO2009106297A2 (fr)

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CN103341903A (zh) * 2013-07-11 2013-10-09 宜兴市中环耐火材料有限公司 空气压力机

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CN102225582A (zh) * 2011-05-27 2011-10-26 王本淼 一种制作组合空腹构件用机制模具系统
CN103507143B (zh) * 2012-06-29 2015-10-28 泉州市三联机械制造有限公司 自保温砌块成型机
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CN111702923A (zh) * 2020-06-12 2020-09-25 赣州智晟知识产权咨询服务有限公司 一种稀土氧化物生产用压型方法及其设备
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CN113899604A (zh) * 2021-09-17 2022-01-07 中国人民解放军63653部队 一种振动压实仪
CN115674401A (zh) * 2022-11-09 2023-02-03 浙江艾卡蒙特环保科技有限公司 一种环保砖砖坯成型设备
CN115805723A (zh) * 2022-11-29 2023-03-17 萍乡市路盟环保新材料研发中心有限公司 一种球形催化剂的成型降温设备

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WO2009106297A3 (fr) 2009-11-05
PL2257415T3 (pl) 2013-09-30
DE102008011272A1 (de) 2009-08-27
EP2257415A2 (fr) 2010-12-08
DK2257415T3 (da) 2013-07-01
WO2009106297A2 (fr) 2009-09-03

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