FR2808041A1 - Connector for upper flanges of concrete shuttering has compass linkage with lower ends of arms pivoted on axis perpendicular to face of shuttering - Google Patents

Connector for upper flanges of concrete shuttering has compass linkage with lower ends of arms pivoted on axis perpendicular to face of shuttering Download PDF

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Publication number
FR2808041A1
FR2808041A1 FR0005156A FR0005156A FR2808041A1 FR 2808041 A1 FR2808041 A1 FR 2808041A1 FR 0005156 A FR0005156 A FR 0005156A FR 0005156 A FR0005156 A FR 0005156A FR 2808041 A1 FR2808041 A1 FR 2808041A1
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France
Prior art keywords
compass
shuttering
articulated
branches
yoke
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Granted
Application number
FR0005156A
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French (fr)
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FR2808041B1 (en
Inventor
Jean Marie Lecherf
Fabrice Pertoldi
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Outinord St Amand SA
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Outinord St Amand SA
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Application filed by Outinord St Amand SA filed Critical Outinord St Amand SA
Priority to FR0005156A priority Critical patent/FR2808041B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
    • E04G19/003—Arrangements for stabilising the forms or for moving the forms from one place to another
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G2011/067—Integrated forms comprising shuttering skin, bracing or strutting arrangements, workplatforms and railings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The connectors has a compass linkage (3) with a head (4) and two branches (5,6), each forming two bars (5A,B) which are parallel and articulated. The bars are pivoted at each end on axes which are horizontal and parallel to the shuttered surface. The base of each branch is pivoted on an axis (11) horizontal and perpendicular to the shuttering faces.

Description

<B><U>DISPOSITIF DE LIAISON DES RIVES</U></B> SUPERIEURES <B><U>DE DEUX BANCHES</U></B> DISPOSEES <B><U>EN VIS A VIS</U></B> L'invention se rapporte à un dispositif de liaison des rives superieures de deux banches disposées en vis à vis. <B> <U> DEVICE CONNECTING THE RIVES </ U> </ B> SUPERIOR <B> <U> OF TWO BANKS </ U> </ B> DISPOSED <B> <U> IN OPPOSITE </ The invention relates to a connecting device of the upper banks of two banks arranged opposite.

Classiquement, pour couler des parois verticales en béton, on délimite la paroi à l'aide de paires de banches dont les faces coffrantes sont tournées l'une vers l'autre. Conventionally, to cast vertical concrete walls, the wall is delimited by pairs of banches whose form faces are turned towards one another.

Ces faces coffrantes sont donc portées par des structures maintenues à la verticale du plan d'appui de ces structure notamment à l'aide d'étais placés à l'arrière de banches. These formwork faces are thus carried by structures held vertically to the support plane of these structures, particularly with the aid of props placed at the rear of panels.

Outre étais, il est connu d'associer ces banches deux à deux à l'aide de deux dispositifs de liaison (FR-A-2.618.829 ou FR-A-2.700.158) fixés sur la rive supérieure de ces banches. Besides struts, it is known to associate these banches two by two using two connecting devices (FR-A-2,618,829 or FR-A-2,700,158) attached to the upper edge of these panels.

Un tel dispositif de liaison se présente sous la forme compas comprenant une tête et deux branches chacune de ces branches étant elle même formé de deux barres articulées à chaque extrémité les axes horizontaux d'une chape rigidement portée par la rive supérieure de chaque banche Ces barres articulés forment un parallélogramme. Such a connecting device is in the compass form comprising a head and two branches each of these branches being itself formed of two bars articulated at each end the horizontal axes of a yoke rigidly carried by the upper edge of each section These bars articulated form a parallelogram.

Chaque compas est donc constitué de deux parallélogrammes. Each compass is made up of two parallelograms.

Un moyen approprié relie les branches du compas entre elles pour obtenir un déplacement identique des branches de part et d'autre d'un plan médian vertical afin de rapprocher ou d'écarter les faces coffrantes en les maintenant quasi-parallèles. An appropriate means connects the branches of the compass together to obtain an identical movement of the branches on either side of a vertical median plane in order to bring the formwork faces closer together or to keep them quasi-parallel.

Les branches du compas se déplacent essentiellement dans un plan vertical et orthogonal aux faces coffrantes. The branches of the compass move essentially in a vertical plane and orthogonal to the formwork faces.

Pour une paire de banches, on fait généralement appel à deux dispositifs de liaison précités. For a pair of boards, it is generally used two connecting devices mentioned above.

Outre sa fonction de déplacement synchronisé, un tel dispositif confère au groupe de banches une fonction sécurisante. In addition to its synchronized displacement function, such a device gives the group of banks a reassuring function.

Pour déplacer les banches, on fait appel à un palonnier comprenant, suspendu à une poutre, deux suspentes écartées d'une distance identique à celle existant entre les deux compas équipant la paire de banches ou les paires. La poutre est, par des élingues, supportée par la flèche d'un engin de levage. To move the dams, it uses a spreader comprising, suspended from a beam, two lines separated by a distance identical to that existing between the two compasses equipping the pair of docks or pairs. The beam is, by slings, supported by the boom of a hoist.

Cet accessoire permet que la force de levage s'exerce chaque compas dans un plan vertical contenant le compas tout en ayant seul point d'ancrage sur la flèche de l'engin de levage. This accessory allows the lifting force to exert each compass in a vertical plane containing the compass while having only anchor point on the boom of the hoist.

On constate parfois que cet accessoire n'est pas utilisé ou n'est pas disponible momentanément sur le chantier ce qui, malheureusement entraîne des retards ou des dégradations au niveau des compas. It is sometimes noted that this accessory is not used or is not available momentarily on site, which unfortunately causes delays or damage to the compass.

En effet, si les élingues sont directement accrochées sur les têtes des compas, il s'exerce sur les branches des compas, en plus de la composante verticale, une composante de force horizontale qui peut conduire a plier les branches du compas. Indeed, if the slings are directly hooked on the heads of the compass, it exercises on the branches of the compass, in addition to the vertical component, a component of horizontal force that can lead to folding the branches of the compass.

L'invention se propose de remédier notamment aux inconvénients précités. The invention proposes to remedy in particular the aforementioned drawbacks.

A cet effet, l'invention a pour objet un dispositif de liaison rives superieures de deux banches disposées vis à vis se présentant sous forme compas comprenant une tête et deux branches, chacune d'elles étant formée de deux barres parallèles articulées à chaque extrémité sur axes horizontaux et parallèles aux surfaces coffrantes, ce dispositif étant caractérisé en ce que la base des branches du compas est en outre articulée un axe horizontal et perpendiculaire aux faces coffrantes. For this purpose, the subject of the invention is a device for connecting upper banks with two panels arranged opposite each other in the form of a compass comprising a head and two branches, each of them being formed of two parallel bars articulated at each end on Horizontal and parallel axes to the formwork surfaces, this device being characterized in that the base of the arms of the compass is further articulated a horizontal axis and perpendicular to the formwork faces.

L'invention sera bien comprise à l'aide de la description ci-après faite à titre d'exemple non limitatif en regard du dessin ci-annexé qui représente schématiquement - figures 1 et 2: vues de deux banches selon deux directions orthogonales, - figures 3 et 4 : vues en coupe du pied du compas selon deux directions perpendiculaires. The invention will be better understood using the following description given by way of non-limiting example with reference to the accompanying drawing which shows schematically - Figures 1 and 2: views of two banks in two orthogonal directions, - Figures 3 and 4: sectional views of the base of the compass in two perpendicular directions.

En se reportant au dessin, on voit une paire de banches 1 destinées au coffrage de mur. Referring to the drawing, we see a pair of banches 1 for wall formwork.

Classiquement, ces banches 1 comprennent une face 2 coffrante portée par une structure arrière. Conventionally, these boards 1 comprise a formwork side 2 carried by a rear structure.

Cette structure se compose d'un cadre et de raidisseurs. Généralement, chaque banche porte, sur sa face opposee à la face coffrante, une console ou passerelle permettant la circulation opérateurs lors de opérations de coulage. This structure consists of a frame and stiffeners. Generally, each side door, on its face opposite to the formwork side, a console or gateway allowing operator traffic during casting operations.

Classiquement, ces banches sont associées deux à deux avec leurs faces coffrantes tournées l'une vers l'autre à l'aide d'au moins dispositif 3 de liaison fixé sur les rives supérieures des deux banches disposées vis à vis. Conventionally, these panels are associated two by two with their formwork faces turned towards each other using at least 3 connecting device attached to the upper banks of the two panels arranged opposite.

De préférence, on fait appel à deux dispositifs de liaison situés de part et d'autre de l'axe médian de chaque banche. Preferably, two connecting devices are used located on either side of the median axis of each form.

Chaque dispositif de liaison se présente sous la forme d'un compas 3 comprenant une tete 4 et deux branches 5, 6, chacune d'elles étant formée de deux barres 5A, parallèles articulées à chaque extrémité sur des axes horizontaux et parallèles aux surfaces coffrantes. Each connecting device is in the form of a compass 3 comprising a head 4 and two branches 5, 6, each of them being formed of two parallel bars 5A articulated at each end on horizontal axes and parallel to the form surfaces .

Chaque paire de barres 5A, 5B parallèles réalise, avec les moyens de liaison auxquels ces barres sont fixées, une parallélogramme 8 déformable. Les moyens de liaison sont, en partie supérieure, la tête 4 du compas et, en partie inférieure, la chape 9. Each pair of parallel bars 5A, 5B carries, with the connecting means to which these bars are fixed, a parallelogram 8 deformable. The connecting means are, in the upper part, the head 4 of the compass and, in the lower part, the yoke 9.

Un moyen 10 approprié relie les branches du compas entre elles pour obtenir un déplacement identique et simultané des branches de part et d'autre d'un plan médian vertical. An appropriate means 10 connects the branches of the compass together to obtain an identical and simultaneous movement of the branches on either side of a vertical median plane.

On obtient ainsi le rapprochement ou l'écartement des faces coffrantes en les maintenant quasi-parallèles. This provides the approximation or spacing of the formwork faces by keeping them almost parallel.

Dans l'exemple représenté, le moyen 10 approprié consiste en un support 10A longiligne guidé verticalement dans la tête du compas et dont la base du support , par deux biellettes 10B, reliée aux deux barres inférieures des branches du compas. In the example shown, the appropriate means 10 consists of an elongated support 10A guided vertically in the head of the compass and the base of the support, by two rods 10B, connected to the two lower bars of the arms of the compass.

Selon caractéristique de l'invention, la base des branches 5 du compas est en outre articulée sur un axe 11 horizontal et perpendiculaire aux faces coffrantes. According to a feature of the invention, the base of the branches 5 of the compass is further articulated on a horizontal axis 11 and perpendicular to the formwork faces.

Ainsi, grâce à cette particularité, les élingues de la flèche de l'engin de levage peuvent être directement reliées au compas. Thus, thanks to this feature, the slings of the boom of the hoist can be directly connected to the compass.

Du fait de la présence de l'articulation 110 d'axe 11 perpendiculaire aux faces coffrantes, les forces qui sont transmises par les élingues 200 sont dans l'alignement des branches du compas (figure 2). Un autre avantage résulte qu'au repos, chaque compas peut se coucher sur le côté. Due to the presence of the articulation 110 of axis 11 perpendicular to the formwork faces, the forces that are transmitted by the slings 200 are in alignment with the branches of the compass (Figure 2). Another advantage is that at rest, each compass can lie on its side.

Cela a, pour conséquence, d'abaisser le centre de gravité banches et de réduire momentanément la hauteur de la banche. Cela peut degager un espace pour mettre entre les deux banches des colis de grandes dimensions ainsi que ferraillages. Cela permet un accès plus facile benne à béton. This has the effect of lowering the center of gravity banches and momentarily reduce the height of the form. This can clear a space to put between the two boards large packages as well as reinforcement. This allows easier access concrete bucket.

Dans variante de réalisation, le dispositif présente moyen de maintien dans position préférentielle du compas, par exemple, dans un plan vertical. In an alternative embodiment, the device has means for maintaining the compass in a preferential position, for example, in a vertical plane.

Il peut s'agir d'un verrouillage mais également de ressort de tension. It can be a lock but also a tension spring.

Les extrémités inférieures des barres 5A, 5B composant la branche 5 du compas sont maintenues entre deux platines 9A formant la chape et c'est cette chape qui est articulée sur la rive supérieure des banches. The lower ends of the bars 5A, 5B constituting the branch 5 of the compass are held between two plates 9A forming the yoke and it is this yoke which is articulated on the upper bank of the boards.

Les figures 3 et 4 montrent l'usage d'un ressort monté l'axe 11 d'articulation. Figures 3 and 4 show the use of a spring mounted on the axis 11 of articulation.

L'une des extrémités du ressort 20 prend appui sur la partie fixe de la banche tandis que l'autre extrémité prend appui sur la partie mobile de la chape 9. One end of the spring 20 is supported on the fixed part of the panel while the other end bears on the movable part of the yoke 9.

Avantageusement, la chape 9 est articulée sur une chape inférieure comprenant une large platine 12 fixée sur le dessus de la banche pour, par un meilleur encastrement, reprendre les efforts latéraux parallèles aux faces coffrantes. Advantageously, the yoke 9 is articulated on a lower yoke comprising a large plate 12 fixed on the top of the banche for, by a better recess, resume the lateral forces parallel to the formwork faces.

Cette platine porte donc un support 13 vertical fixé sur la face supérieure de la platine 12. Des goussets 14 de part et d'autre du support vertical augmente résistance de cette chape inférieure. On note que la platine 12 présente bord rabattu dans un plan vertical et à l'opposée de la face coffrante. This plate thus carries a vertical support 13 fixed on the upper face of the plate 12. Gussets 14 on either side of the vertical support increases resistance of this lower clevis. Note that the plate 12 has flanged edge in a vertical plane and opposite the formwork face.

Des lumières réalisées dans les goussets sont prévues pour l'ancrage de câbles de traction. Lights made in the gussets are provided for anchoring traction cables.

Cette platine 12 augmente la stabilité d'un colis du type deux banches associées par un seul compas.This turntable 12 increases the stability of a parcel type two banners associated with a single compass.

Claims (1)

<B><U>REVENDICATIONS</U></B> . Dispositif de liaison des rives supérieures de deux banches disposées en vis a vis se présentant sous la forme d'un compas (3) comprenant une tete (4) et deux branches (5, 6), chacune d'elles étant formée de deux barres 5B) parallèles articulées à chaque extrémité sur des axes horizontaux parallèles aux surfaces coffrantes, ce dispositif étant CARACTERISE en ce que la base des branches du compas est en outre articulée sur un axe (11) horizontal et perpendiculaire aux faces coffrantes. Dispositif selon la revendication 1 caractérisé en ce qu'il présente moyen maintien dans une position préférentielle du compas. 3. Dispositif selon la revendication 2 caractérisé en ce que le moyen de maintien consiste en un verrouillage. 4. Dispositif selon la revendication 2<B>caractérisé</B> en ce que le moyen de maintien consiste en un ressort de tension. 5. Dispositif selon la revendication 1<B>caractérisé</B> en ce que les extrémités inférieures des barres (5A, 5B) composant la branche (5) du compas sont maintenues entre deux platines (9A) formant la chape (9) et c'est cette chape qui est articulée sur la rive supérieure des banches. 6. Dispositif selon la revendication 5 caractérisé en ce que la chape est articulée sur une chape inférieure comprenant une large platine (12) fixee sur le dessus de la banche. Dispositif selon la revendication 6<B>caractérisé</B> en ce que la platine porte support (13) vertical fixé sur la face supérieure de la platine (12) et des goussets (14), de part et d'autre du support vertical, augmente la résistance de la chape inférieure. 8. Dispositif selon la revendication 6<B>caractérisé</B> en ce que la platine (12) présente un bord rabattu dans un plan vertical.<B> <U> CLAIMS </ U> </ B>. Device for connecting the upper banks of two adjoining banks in the form of a compass (3) comprising a head (4) and two branches (5, 6), each of them being formed of two bars 5B) parallel articulated at each end on horizontal axes parallel to the formwork surfaces, this device being CHARACTERIZED in that the base of the branches of the compass is further articulated on a horizontal axis (11) and perpendicular to the formwork faces. Device according to claim 1 characterized in that it has means holding in a preferred position of the compass. 3. Device according to claim 2 characterized in that the holding means consists of a lock. 4. Device according to claim 2 characterized in that the holding means consists of a tension spring. 5. Device according to claim 1 <B> characterized in that the lower ends of the bars (5A, 5B) constituting the branch (5) of the compass are held between two plates (9A) forming the yoke (9). and it is this screed which is articulated on the upper bank of the banches. 6. Device according to claim 5 characterized in that the yoke is articulated on a lower yoke comprising a large plate (12) fixed on the top of the banche. Device according to Claim 6 <B> characterized in that the vertical support plate (13) fixed on the upper face of the plate (12) and the gussets (14), on either side of the support vertical, increases the resistance of the lower screed. 8. Device according to claim 6 <B> characterized in that the plate (12) has an edge folded in a vertical plane.
FR0005156A 2000-04-21 2000-04-21 DEVICE FOR CONNECTING THE UPPER SHORES OF TWO BANKS ARRANGED OPPOSITE Expired - Lifetime FR2808041B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0005156A FR2808041B1 (en) 2000-04-21 2000-04-21 DEVICE FOR CONNECTING THE UPPER SHORES OF TWO BANKS ARRANGED OPPOSITE

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FR0005156A FR2808041B1 (en) 2000-04-21 2000-04-21 DEVICE FOR CONNECTING THE UPPER SHORES OF TWO BANKS ARRANGED OPPOSITE

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FR2808041B1 FR2808041B1 (en) 2002-07-12

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853924A1 (en) * 2003-04-16 2004-10-22 Hussor S A Device for stabilizing and handling cement form panels in building and public works, has double-parallelograms with lower arms, where each arm is provided at its end with extension having sling fastening device for sling
EP2308790A1 (en) 2009-10-12 2011-04-13 Sateco Device for lifting a load and assembly of two formwork devices connected by two such lifting devices
FR3032953A1 (en) * 2015-02-19 2016-08-26 Outinord St Amand DEVICE FOR LOAD PRETENSION, FORMWORK SYSTEM COMPRISING SUCH A DEVICE, AND MANUFACTURING METHOD.
FR3035132A1 (en) * 2015-04-15 2016-10-21 Outinord St Amand FORMING POROUS AND FORMWORK PROVIDED WITH SUCH A PORTIC
FR3104148A1 (en) * 2019-12-04 2021-06-11 Outinord St Amand Handling and lifting device for formwork shuttering

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209941B (en) * 2014-08-07 2016-02-24 天津航天长征火箭制造有限公司 Ring flange quadrant is plan

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618829A1 (en) 1987-07-27 1989-02-03 Outinord St Amand Improvement for safety devices preventing a pair of shutters from tilting
DE4237155C1 (en) * 1992-11-04 1993-11-04 Meyer Keller Noe Schalttech Movement device for scaffolding units - involves suspension borne by crane rope having at last two belts engaging with their free ends in suspension eyelets of scaffolding unit
FR2700158A1 (en) 1992-12-07 1994-07-08 Outinord St Amand Automatic grab for lifting vertical shuttering on building sites

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618829A1 (en) 1987-07-27 1989-02-03 Outinord St Amand Improvement for safety devices preventing a pair of shutters from tilting
DE4237155C1 (en) * 1992-11-04 1993-11-04 Meyer Keller Noe Schalttech Movement device for scaffolding units - involves suspension borne by crane rope having at last two belts engaging with their free ends in suspension eyelets of scaffolding unit
FR2700158A1 (en) 1992-12-07 1994-07-08 Outinord St Amand Automatic grab for lifting vertical shuttering on building sites

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853924A1 (en) * 2003-04-16 2004-10-22 Hussor S A Device for stabilizing and handling cement form panels in building and public works, has double-parallelograms with lower arms, where each arm is provided at its end with extension having sling fastening device for sling
EP2308790A1 (en) 2009-10-12 2011-04-13 Sateco Device for lifting a load and assembly of two formwork devices connected by two such lifting devices
FR2951149A1 (en) * 2009-10-12 2011-04-15 Sateco Sa DEVICE FOR LIFTING A LOAD, AND ASSEMBLY OF TWO FORMING DEVICES CONNECTED BY TWO SUCH LIFTING DEVICES
FR3032953A1 (en) * 2015-02-19 2016-08-26 Outinord St Amand DEVICE FOR LOAD PRETENSION, FORMWORK SYSTEM COMPRISING SUCH A DEVICE, AND MANUFACTURING METHOD.
FR3035132A1 (en) * 2015-04-15 2016-10-21 Outinord St Amand FORMING POROUS AND FORMWORK PROVIDED WITH SUCH A PORTIC
FR3104148A1 (en) * 2019-12-04 2021-06-11 Outinord St Amand Handling and lifting device for formwork shuttering

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