EP1064131B1 - Dispositif de compression du beton avec capteur de vibrations et unite de commande - Google Patents

Dispositif de compression du beton avec capteur de vibrations et unite de commande Download PDF

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Publication number
EP1064131B1
EP1064131B1 EP99915614A EP99915614A EP1064131B1 EP 1064131 B1 EP1064131 B1 EP 1064131B1 EP 99915614 A EP99915614 A EP 99915614A EP 99915614 A EP99915614 A EP 99915614A EP 1064131 B1 EP1064131 B1 EP 1064131B1
Authority
EP
European Patent Office
Prior art keywords
vibration
formwork
arrangement
concrete
producing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99915614A
Other languages
German (de)
English (en)
Other versions
EP1064131A1 (fr
Inventor
Michael Steffen
Christian Glanz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wacker Construction Equipment AG
Original Assignee
Wacker Construction Equipment AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wacker Construction Equipment AG filed Critical Wacker Construction Equipment AG
Publication of EP1064131A1 publication Critical patent/EP1064131A1/fr
Application granted granted Critical
Publication of EP1064131B1 publication Critical patent/EP1064131B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
    • 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
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0081—Process control

Definitions

  • the invention relates to a concrete compacting arrangement according to the preamble of claim 1.
  • Such an arrangement is used to compress still plastically deformable Concrete that is poured into a formwork to produce concrete parts has been.
  • Vibration units attached, which often each have an external vibrator.
  • Such an external vibrator usually consists of a motor that drives one or more unbalances consisting of flyweights and thereby generating an oscillation which is transmitted to the Formwork is transferred. By shaking the formwork, the concrete can be compressed in the desired manner.
  • DE 195 42 868 A1 discloses a concrete compacting arrangement with two attached to a formwork and each have a vibration generator having vibrating units known.
  • the vibration of the formwork is attached to the vibrating units Acceleration sensors are detected and sent to a common signal processing unit forwarded.
  • a Data processing logic connected from the measured values and from stored Comparative values a forecast of the expected product quality of the molded concrete parts.
  • the invention has for its object a concrete compacting arrangement specify where only those areas of the formwork are more excitable, which have not yet vibrated with the desired strength, whereby one flexible and easy adaptation of the concrete compaction arrangement to different Formwork geometries and a different number of external vibrators is to be aimed for.
  • each one own vibration generator, own acceleration sensor, have their own frequency converter and control. This allows the vibration strength at the individual points of the Formwork very precisely and individually by controlling the individual vibrating units respectively.
  • the controls of the respective with an advantageous further development Vibrating units coupled together via a data line.
  • the data line can also be connected to a common host computer which is used for individual control of the vibrating units.
  • the solution according to the invention makes it possible to use the acceleration sensor to detect the vibration acting on the formwork.
  • One of the Vibration corresponding, permanently changing acceleration value is delivered to the controller, which corresponds to the operating parameters of the vibration generator can vary. around on the formwork to generate the desired vibration. For example, it is possible that the controller increases the frequency of the vibration generator, if the accelerometer vibration of the formwork is too low has detected.
  • the acceleration sensor on the vibration generating device or on the Formwork attached. This makes it possible for the acceleration sensor either the vibration directly on the formwork or - due to a rigid Attachment of the vibration generator to the formwork the vibration generator experiencing the same vibration as the formwork can tap.
  • target values for the individual controls provided on the vibrating units are the frequency of the vibration generating device, a target acceleration or a permissible control range within which the individual control depending on the measured vibration signal Can control vibration generating device.
  • a concrete compaction arrangement according to the invention has several vibrating units 1, each of which is also shown only schematically and arranged to hold liquid concrete formwork 2 are.
  • the vibrating units 1 each consist of a vibration generator serving external vibrators rigidly attached to the formwork 2 3 and a frequency converter 4, an acceleration sensor 5 and a controller 6. To simplify the illustration, in the figure only the structure of one of the vibrating units 1 is shown.
  • the known external vibrator 3 consists essentially of a Electric motor and one or two flyweights driven by the motor, the rotation required to create the unbalance required Cause vibrations. To make the vibrations as lossless as possible To transfer to the formwork 2, the external vibrator 3 with the formwork 2 be rigidly connected. As already described, the external vibrator 3 is a such known, so that on a further description and an illustration is omitted in the figure.
  • the electric motor is the External vibrator 3 upstream of a frequency converter 4, which in known Way is connected to the mains.
  • the frequency converter 4 converts the mains frequency into a voltage frequency suitable for the external vibrator 3 around. While it is known, all external vibrators connected to the formwork 2 3 to feed by a frequency converter 4 is according to the invention a separate frequency converter 4 is provided for each external vibrator 3.
  • the frequency converter 4 is arranged directly on the external vibrator 3. Depending on the embodiment, however, it may also be appropriate. the frequency converter 4 in a separate control cabinet, not shown, away from the external vibrator 3.
  • the acceleration sensor 5 is also part of the vibrating unit 1 preferably either on the external vibrator 3 or directly on the formwork 2 is attached to capture the generated vibration as precisely as possible to be able to.
  • the acceleration sensor 5 registers the vibration caused and acting on the formwork 2 accelerations and generates a signal therefrom, which is passed on to the controller 6.
  • the controller 6 can - depending on the embodiment of the invention - as Regulation can be implemented based on those measured by the acceleration sensor 5 Acceleration values and a corresponding setpoint specification controls the frequency converter 4. The following are also suitable as parameters measured vibration frequency also the measured acceleration values. A permissible control range or also a can be in the control 6 Map be saved. with the help of which the controller 6 taking into account the signal from the acceleration sensor 5 the operation of the external vibrator 3 influenced.
  • vibrating units 1 are attached to the formwork 2, it can be particularly advantageous according to an embodiment of the invention, if the vibrating units 1 or their respective controls 6 via a data line 7 are coupled together.
  • the controls 6 can provide information to one another exchange and each other about certain operating conditions inform.
  • the data line 7 is also coupled to a host computer 8, Via which each of the controls 6 can be controlled centrally. from Each computer 6 becomes the master computer 8 for the corresponding production step operating parameters required when producing the concrete parts supplied in the form of setpoints.
  • the host computer 8 gives e.g. each one Control 6 in front of what frequency at this time the external vibrator 3 should run, or which acceleration values should be achieved.
  • the master computer 8 can also have a corresponding permissible control range transmit to the controller 6, within which the controller 6 is autonomous, controls the external vibrator 3 in accordance with the stored control program.
  • the master computer 8 makes it possible to fill the liquid concrete into the through the formwork 2 determined form the vibrating units 1 initially drive at a low frequency to avoid excessive noise generation.
  • the host computer 8 increases the frequency of the external vibrators 3.
  • each local controller 6 determines whether the assigned external vibrator 3 reached the required acceleration on the formwork 2. If the measured acceleration is insufficient, the controller 6 increases it Frequency of the external vibrator 3 via the frequency converter 4. If it is too large However, acceleration reduces the frequency.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

L'invention concerne un dispositif de compression du béton, qui permet de comprimer du béton plastiquement déformable dans un coffrage (2). Le dispositif comprend au moins une unité vibreur (1) fixée sur le coffrage (2) et comportant un dispositif générateur de vibrations (3). Le dispositif de compression est caractérisé par le fait que le vibreur (1) comporte un capteur d'accélération (5), qui génère un signal correspondant à une vibration générée au niveau du coffrage par l'unité génératrice de vibrations (3), et une unité de commande (6), qui reçoit ledit signal et qui régule les paramètres de fonctionnement dudit dispositif générateur de vibrations (3).

Claims (7)

  1. Dispositif de compactage de béton pour compacter du béton déformable plastiquement dans un coffrage (2), comportant au moins deux unités vibrantes (1) fixées au coffrage (2), qui comportent chacune un dispositif de génération d'oscillations (3), caractérisé en ce que les unité vibrantes comportent en outre chacune
    un capteur d'accélération (5) pour générer un signal correspondant à une oscillation générée par le dispositif de génération d'oscillations (3) sur le coffrage (2),
    une commande (6), pouvant être actionnée par le signal, pour régler des paramètres de fonctionnement du dispositif de génération d'oscillations (3), ainsi que
    un convertisseur de fréquence (4), pouvant être actionné par la commande (6), pour le dispositif de génération d'oscillations (3).
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de génération d'oscillations est un vibreur externe (3).
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le capteur d'accélération (5) est fixé au dispositif de génération d'oscillations (3) ou au coffrage (2).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les commandes (6) des unités vibrantes (1) respectives sont reliées entre elles par une ligne de données (7).
  5. Dispositif selon la revendication 4, caractérisé en ce que les commandes (6) des unités vibrantes (1) respectives peuvent être commandées par un ordinateur pilote (8) connecté à la ligne de données (7).
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les commandes (6) peuvent recevoir des valeurs de consigne.
  7. Dispositif selon les revendications 5 et 6, caractérisé en ce que les valeurs de consigne peuvent être introduites par l'ordinateur pilote (8).
EP99915614A 1998-03-16 1999-03-15 Dispositif de compression du beton avec capteur de vibrations et unite de commande Expired - Lifetime EP1064131B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19811344 1998-03-16
DE19811344A DE19811344C2 (de) 1998-03-16 1998-03-16 Betonverdichtungsanordnung mit Schwingungssensor und Steuerung
PCT/EP1999/001692 WO1999047322A1 (fr) 1998-03-16 1999-03-15 Dispositif de compression du beton avec capteur de vibrations et unite de commande

Publications (2)

Publication Number Publication Date
EP1064131A1 EP1064131A1 (fr) 2001-01-03
EP1064131B1 true EP1064131B1 (fr) 2004-01-28

Family

ID=7861053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99915614A Expired - Lifetime EP1064131B1 (fr) 1998-03-16 1999-03-15 Dispositif de compression du beton avec capteur de vibrations et unite de commande

Country Status (6)

Country Link
US (1) US6544025B1 (fr)
EP (1) EP1064131B1 (fr)
JP (1) JP2002506748A (fr)
DE (2) DE19811344C2 (fr)
ES (1) ES2213362T3 (fr)
WO (1) WO1999047322A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913077C2 (de) * 1999-03-23 2003-06-12 Wacker Construction Equipment Innenrüttler mit Meßsystem
DE10059467A1 (de) * 2000-11-30 2002-06-13 Wacker Werke Kg Betonverdichtungsanordnung mit funkgesteuerten Außenrüttlern
DE10124145C1 (de) * 2001-05-17 2002-08-14 Wacker Werke Kg Innenrüttler zum Verdichten von Beton
DE20219768U1 (de) * 2002-12-20 2003-03-06 KOBRA Formen GmbH, 08485 Lengenfeld Vorrichtung zur Herstellung von Betonformsteinen
WO2005103852A2 (fr) * 2004-04-20 2005-11-03 Rampf Formen Gmbh Dispositif permettant le controle et la commande ou regulation d'une machine
DE102007009508B3 (de) * 2007-02-27 2008-06-19 Wacker Construction Equipment Ag Außenrüttler mit Betriebsanzeige
DE102007048980A1 (de) * 2007-10-12 2009-04-23 Wacker Construction Equipment Ag Bodenstampfvorrichtung mit adaptiver Antriebsregelung
CN107100359B (zh) * 2017-05-17 2022-11-11 浙江宝杰环保科技有限公司 一种可分离清洗的建筑模板
CN109079961A (zh) * 2018-09-26 2018-12-25 天津城建大学 一种预制混凝土振捣参数监测和处理系统
DE102021106330A1 (de) 2021-03-16 2022-09-22 Wacker Neuson Produktion GmbH & Co. KG Betonverdichtungssystem und Verfahren zum Verdichten von Betonteilen im Rahmen eines Betonverdichtungsprozesses
CN113276252A (zh) * 2021-04-27 2021-08-20 浙江嘉兴御豪智能装备有限公司 混凝土布料系统和混凝土布料方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640079A1 (de) * 1986-11-24 1988-06-01 Erwin Dipl Phys Schaefer Vorrichtung zur automatischen anpassung der arbeitsweise von vibratoren zur materialverdichtung an den jeweiligen zustand des zu verdichtenden materials
DE4030665C1 (en) * 1990-09-28 1991-10-24 Carl Schenck Ag, 6100 Darmstadt, De Regulating RPM of drive motor(s) of load-excited screening machine - supplying actual oscillating value to regulator and measuring resultant power output of motor(s)
JPH05156811A (ja) * 1991-12-09 1993-06-22 Fujita Corp コンクリート自動締め固めシステム
TW274529B (fr) * 1993-10-21 1996-04-21 Hitachi Shipbuilding Eng Co
DE4400839A1 (de) * 1994-01-14 1995-07-20 Avermann Maschinenfabrik Betri Vorrichtung zur Herstellung von Betonfertigteilen
DE19542868A1 (de) * 1995-11-17 1997-05-22 Stn Atlas Elektronik Gmbh Überwachungsvorrichtung für einen im Herstellungsprozeß von Betonformteilen eingesetzten Rüttler
DE29712242U1 (de) * 1997-07-11 1997-09-18 Lonz Industrieautomation GmbH, 65510 Hünstetten Unwuchtrüttler

Also Published As

Publication number Publication date
DE19811344A1 (de) 1999-10-07
ES2213362T3 (es) 2004-08-16
DE19811344C2 (de) 2002-06-27
EP1064131A1 (fr) 2001-01-03
DE59908423D1 (de) 2004-03-04
US6544025B1 (en) 2003-04-08
JP2002506748A (ja) 2002-03-05
WO1999047322A1 (fr) 1999-09-23

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