EP2599938B1 - Security footbridge with extendable brace for form panel - Google Patents

Security footbridge with extendable brace for form panel Download PDF

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Publication number
EP2599938B1
EP2599938B1 EP12356027.8A EP12356027A EP2599938B1 EP 2599938 B1 EP2599938 B1 EP 2599938B1 EP 12356027 A EP12356027 A EP 12356027A EP 2599938 B1 EP2599938 B1 EP 2599938B1
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EP
European Patent Office
Prior art keywords
stay
security
footbridge
form panel
bracket
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EP12356027.8A
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German (de)
French (fr)
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EP2599938A1 (en
Inventor
Jöel Four
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Eurobress Ste
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Eurobress Ste
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Publication of EP2599938A1 publication Critical patent/EP2599938A1/en
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    • 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form
    • 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

Definitions

  • the present invention relates to a formwork rail guard with foldable strut intended to be mounted, for example on a safety gateway mounted on a curved profile formwork board.
  • the security gateway described in the patent EP 1 270 845 comprises struts that are reported between the formwork and the formwork and when it is in the unfolded position.
  • the object of the present invention is to design a security gateway having integrated in its structure the struts necessary for the stability of the latter and the formwork board on which it is mounted.
  • the integration of said struts in the foldable structure of the security gateway ensures the user a significant gain on the assembly time of the formwork devices and stabilization of the latter.
  • the safety gateway comprises a plate provided with an edge profile carrying articulation devices for fixing and pivoting at least one railing comprising at least one tubular element inside which slides at less an extension which is extended by the sliding of at least one strut attached to its free end of a foot plate, said strut being locked in the unfolded position on the one hand in translation relative to the extension by a locking device and on the other hand pivoting with respect to said formwork board by a brace of props fixed on said formwork board by means of a pivoting device for moving in rotation said brace of struts in the direction of the was.
  • the safety gateway according to the present invention comprises a strut whose height of the strut is adjusted relative to the extension by means of the adjusting device which is locked on said strut so that the free end of said extension comes into position. pressing on said adjustment device.
  • the safety gateway according to the present invention comprises a strut whose adjusting device comprises an axis cooperating with one of the through bores formed in the tube forming the strut to be locked in translation on the latter preventing the strut from sliding to the inside of the extension.
  • the safety gateway according to the present invention comprises a strut whose strut brace comprises a lengthwise adjustable bracon extension and secured at its free end to a U-shaped stirrup inside which is housed in the unfolded position. 'was.
  • the safety gateway according to the present invention comprises a stay whose caliper of the strut brace comprises locking means cooperating with the bores of the strut.
  • the safety gateway according to the present invention comprises a strut whose strut brace can pivot by means of its pivoting device in a direction which is included in a cutting plane perpendicular to that of translation of the strut so that said brace can pass a folded position and parallel to the shuttering form in an unfolded position and perpendicular to the shuttering formwork.
  • the safety gateway comprises at each end a force recovery device which consists of a first inclined cross member and a second horizontal crossbar connecting in the plane of the props the tray to the shuttering formwork.
  • the security gateway comprises assistance means ensuring the opening and closing movements of said safety gateway with respect to the formwork box.
  • the safety gateway according to the present invention comprises assistance means which consist either of a spring or of a pneumatic cylinder connecting the horizontal cross member of the recovery device to the reinforcing beam of the plate.
  • the shuttering form 2 is shown in the rest position, that is to say before bending and comprises a formwork sheet 3 which is integral with a set of support beams 4.
  • the formwork box 2 comprises, for example, a set of beams 4 which consists of four identical and parallel holding beams, each having a truncated point V-shaped profile.
  • the support beams 4 are regularly spaced across the width and arranged along parallel generatrices over the entire height of the formwork sheet 3.
  • the support beams 4 are interconnected by means of adjustment 5 in length extending transversely to said beams and connecting them in pairs in the upper and lower part of the formwork box 2.
  • the adjustment means 5 consist of identical angles which are fixed on the truncated points and perpendicular to the support beams 4.
  • the angles of the adjustment means 5 are connected to one another by screw jacks 7 which are either spaced apart or are tightened according to the bending radius of curvature that the formwork board 2 must exhibit.
  • angles are connected opposite each screw jack 7 to the shuttering panel 3 by other screw jacks 8, which make it possible to improve the adjustment of the radius of curvature of said formwork sheet at of its free ends.
  • the formwork box 2 comprises clamping means 9 which are arranged inside each holding beam 4, for the establishment of a bending template in the upper and lower part of said form
  • Each clamping means 9 consists of a metallic bead acting as a clamping abutment which slides parallel to and above or below each support beam 4.
  • the safety gateway 1 comprises between two pairs of support beams 4 of the formwork box 2 and on the top of said beams 10 U-shaped beams on which are provided anchor points and pivot elements constituting said gateway safety 1 so that the latter can move from a folded position parallel to the formwork box 2 to an unfolded position and perpendicular to said form.
  • the security gateway 1 comprises circulation means which consist of a plate 11 formed of a metal frame 12 in which is fixed, for example, elements 13 which adapt and move relative to one another for follow, if necessary, the curved profile of the formwork box 2.
  • the metal frame 12 of the plate 11 is connected to the formwork box 2 by means of first reinforcing cross members 14 connected to the side members 10 by hinge-type devices 15, allowing said plate 11 to tilt or pivot around this hinge. to move from a folded position and parallel to the formwork formwork 2, in an unfolded position and perpendicular to said form.
  • the metal frame 12 of the plate 11 comprises end profiles 16 which cooperate respectively with a guiding device 17 provided at the level of the holding beams 4 of the formwork box 2 in order to complete the angular guidance to move from a folded position and parallel to the formwork board 2, in an unfolded position and perpendicular to said form.
  • the metal frame 12 of the plate 11 has opposite the formwork box 2 an edge profile 18 disposed perpendicularly to the direction of the end profiles 16 and carrying on the outside of the plate 11 hinge devices 19 for fixing and the pivoting of a guard 20.
  • the bodyguard 20 may be formed according to the characteristics of the formwork box 2 of one or more metal structures 21 pivotable about the hinge devices 19 of the plate 11.
  • Each metal structure 21 comprises in a vertical direction in the unfolded position of the bodyguard 20 at least one tubular element 22 which may be of square section and within which slides an extension 23 of the same external section and cylindrical internal section.
  • the tubular element 22 comprises in this unfolded position of the bodyguard 20 a lower end which is housed in a guide 24 arranged at the end of the corresponding cross member 14.
  • each extension 23 slides a stay 25 of cylindrical profile having at its free end a removable foot plate 26.
  • the height of the strut 25 is adjusted relative to the extension 23 by means of an adjusting device 27 which is immobilized on the strut 25 so that the free end of said extension piece 23 bears on said strut device. setting.
  • Each adjusting device 27 comprises an axis cooperating with one of the through bores formed in the tube forming the strut 25 to be locked in translation on the latter preventing the strut 25 from sliding inside the extension 23.
  • Each strut 25 is held opposite the extension 23 by means of a strut brace 28 fixed by means of a pivoting device 29 to the spar 10 below the lower adjustment means 5 of the formwork 2.
  • Each brace of struts 28 comprises a lengthwise adjustable length of brace 30 and secured at its free end to a U-shaped stirrup 31 inside which the strut 25 is housed in an unfolded position in order to keep it in position.
  • Each yoke 31 has locking means cooperating with the bores of the strut 25 to prevent the latter from output of said yoke.
  • each strut brace 28 can pivot by means of its pivoting device 29 in a direction in a cutting plane perpendicular to that of translation of the strut 25 so that each brace 28 can pass from a folded position and parallel to lower adjustment means 5 of the shuttering box 2 in an unfolded position and perpendicular to said lower adjustment means 5.
  • the safety gateway 1 comprises at each end a force recovery device 32 which consists of a first inclined crossbar 33 and a second horizontal crossbar 34 connecting in the plane of the strut 25 the metal frame 12 of the plate 11 to the corresponding spar 10 secured to the support beams 4 of the formwork board 2.
  • the recovery device 32 comprises assistance means 37 ensuring the opening and closing movements of the safety gateway 1 with respect to the formwork board 2.
  • the assistance means 37 consist either of a spring or a pneumatic cylinder connecting the horizontal cross member 34 of the recovery device 32 to the reinforcing cross member 14 of the plate 11.
  • the recovery device 32 is arranged to be able to fold and unfold automatically under the assistance of the assistance means 37 during the opening and closing movements of the security gateway 1 and to lock in the unfolded position to guarantee a perfect stability of the plate 11.
  • the plate 11 of the security gateway 1 comprises in its middle an access hatch 35 below which is provided a scale 36 allowing operators to climb on said gateway.
  • the ladder 36 is arranged to be able to fold and unfold during the opening and closing movements of the safety gateway 1 and to lock in the unfolded position to allow access to the plate 11.

Description

La présente invention et relative à un garde corps de banche de coffrage à étais dépliable destiné à être monté, par exemple sur une passerelle de sécurité montée sur une banche de coffrage à profil courbe.The present invention relates to a formwork rail guard with foldable strut intended to be mounted, for example on a safety gateway mounted on a curved profile formwork board.

On connait d'après le brevet européen EP 1 270 845 appartenant au demandeur une passerelle de sécurité pour un dispositif de coffrage à rayon de courbure réglable.We know from the European patent EP 1 270 845 Applicant belonging to the applicant a safety gateway for a formwork device with adjustable radius of curvature.

On note que la passerelle de sécurité décrite dans le brevet EP 1 270 845 comporte des étais qui sont rapportés entre la banche de coffrage et cette dernière et lorsqu'elle se trouve en position dépliée.It is noted that the security gateway described in the patent EP 1 270 845 comprises struts that are reported between the formwork and the formwork and when it is in the unfolded position.

Pour cela il donc nécessaire de prévoir entre la passerelle et la banche de coffrage une traverse de reprise des efforts pour permettre le montage et la fixation des étais assurant par exemple la stabilité de ladite passerelle et de ladite banche de coffrage par rapport au sol.For this it is necessary to provide between the bridge and the shuttering formwork a cross of recovery efforts to allow the mounting and fixing of the struts ensuring for example the stability of said bridge and said formwork formwork with respect to the ground.

L'objet de la présente invention est de concevoir une passerelle de sécurité comportant de manière intégrée dans sa structure les étais nécessaires à la stabilité de cette dernière et de la banche de coffrage sur laquelle elle est montée.The object of the present invention is to design a security gateway having integrated in its structure the struts necessary for the stability of the latter and the formwork board on which it is mounted.

Ainsi, l'intégration desdits étais dans la structure dépliable de la passerelle de sécurité permet d'assurer à l'utilisateur un gain non négligeable sur le temps de montage des dispositifs de coffrage et de stabilisation de ces derniers.Thus, the integration of said struts in the foldable structure of the security gateway ensures the user a significant gain on the assembly time of the formwork devices and stabilization of the latter.

La passerelle de sécurité suivant la présente invention comprend un plateau pourvu d'un profilé de bordure portant des dispositifs d'articulation pour la fixation et le pivotement d'au moins un garde corps comprenant au moins un élément tubulaire à l'intérieur duquel coulisse au moins une rallonge qui se prolonge par le coulissement d'au moins un étais solidaire à son extrémité libre d'une plaque de pied, ledit étais étant bloqué en position dépliée d'une part en translation par rapport à la rallonge par un dispositif de blocage et d'autre part en pivotement par rapport à ladite banche de coffrage par un bracon d'étais fixé sur ladite banche de coffrage par l'intermédiaire d'un dispositif pivotant permettant de déplacer en rotation ledit bracon d'étais en direction de l'étais.The safety gateway according to the present invention comprises a plate provided with an edge profile carrying articulation devices for fixing and pivoting at least one railing comprising at least one tubular element inside which slides at less an extension which is extended by the sliding of at least one strut attached to its free end of a foot plate, said strut being locked in the unfolded position on the one hand in translation relative to the extension by a locking device and on the other hand pivoting with respect to said formwork board by a brace of props fixed on said formwork board by means of a pivoting device for moving in rotation said brace of struts in the direction of the was.

La passerelle de sécurité suivant la présente invention comprend un étais dont la hauteur de l'étais est réglé par rapport à la rallonge au moyen du dispositif de réglage qui vient se bloquer sur ledit étais de manière que l'extrémité libre de ladite rallonge vienne en appui sur ledit dispositif de réglage.The safety gateway according to the present invention comprises a strut whose height of the strut is adjusted relative to the extension by means of the adjusting device which is locked on said strut so that the free end of said extension comes into position. pressing on said adjustment device.

La passerelle de sécurité suivant la présente invention comprend un étais dont le dispositif de réglage comporte un axe coopérant avec l'un des alésages traversant ménagés dans le tube formant l'étais pour être bloqué en translation sur ce dernier empêchant l'étais de coulisser à l'intérieur de la rallonge.The safety gateway according to the present invention comprises a strut whose adjusting device comprises an axis cooperating with one of the through bores formed in the tube forming the strut to be locked in translation on the latter preventing the strut from sliding to the inside of the extension.

La passerelle de sécurité suivant la présente invention comprend un étais dont le bracon d'étais comporte une rallonge de bracon réglable en longueur et solidaire à son extrémité libre d'un étrier en forme de U à l'intérieur duquel est logé en position dépliée l'étais.The safety gateway according to the present invention comprises a strut whose strut brace comprises a lengthwise adjustable bracon extension and secured at its free end to a U-shaped stirrup inside which is housed in the unfolded position. 'was.

La passerelle de sécurité suivant la présente invention comprend un étais dont l'étrier du bracon d'étais comporte des moyens de blocage coopérant avec les alésages de l'étais.The safety gateway according to the present invention comprises a stay whose caliper of the strut brace comprises locking means cooperating with the bores of the strut.

La passerelle de sécurité suivant la présente invention comprend un étais dont le bracon d'étais peut pivoter au moyen de son dispositif pivotant dans une direction qui est comprise dans un plan coupant perpendiculairement celle de translation de l'étais de manière que ledit bracon puisse passer d'une position pliée et parallèle à la banche de coffrage à une position dépliée et perpendiculaire à la banche de coffrage.The safety gateway according to the present invention comprises a strut whose strut brace can pivot by means of its pivoting device in a direction which is included in a cutting plane perpendicular to that of translation of the strut so that said brace can pass a folded position and parallel to the shuttering form in an unfolded position and perpendicular to the shuttering formwork.

La passerelle de sécurité suivant la présente invention comprend à chaque extrémité un dispositif de reprise des efforts qui est constitué d'une première traverse inclinée et d'une seconde traverse horizontale reliant dans le plan de l'étais le plateau à la banche de coffrage.The safety gateway according to the present invention comprises at each end a force recovery device which consists of a first inclined cross member and a second horizontal crossbar connecting in the plane of the props the tray to the shuttering formwork.

La passerelle de sécurité suivant la présente invention comprend des moyens d'assistance assurant les mouvements d'ouverture et de fermeture de ladite passerelle de sécurité par rapport à la banche de coffrage.The security gateway according to the present invention comprises assistance means ensuring the opening and closing movements of said safety gateway with respect to the formwork box.

La passerelle de sécurité suivant la présente invention comprend des moyens d'assistance qui sont constitués soit d'un ressort, soit d'un vérin pneumatique reliant la traverse horizontale du dispositif de reprise à la traverse de renfort du plateau.The safety gateway according to the present invention comprises assistance means which consist either of a spring or of a pneumatic cylinder connecting the horizontal cross member of the recovery device to the reinforcing beam of the plate.

La description qui va suivre en regard des dessins annexés, donnés à titre d'exemple non limitatifs, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer :

  • Figure 1 est une vue de coté illustrant la passerelle de sécurité suivant la présente invention en position dépliée, sur une banche de coffrage qui peut être à rayon de courbure réglable.
  • Figure 2 est une vue en perspective représentant la passerelle de sécurité suivant la présente invention en position dépliée sur une banche de coffrage.
  • Figures 3 et 4 sont des vues montrant la passerelle de sécurité en position pliée intégrant dans sa structure les étais de stabilisation suivant la présente invention.
The following description with reference to the accompanying drawings, given by way of non-limiting example, will better understand the invention, the characteristics it has and the advantages it is likely to provide:
  • Figure 1 is a side view illustrating the safety gateway according to the present invention in unfolded position, on a formwork panel which can be adjustable radius of curvature.
  • Figure 2 is a perspective view showing the safety gateway according to the present invention in unfolded position on a formwork board.
  • Figures 3 and 4 are views showing the safety gateway in folded position incorporating in its structure the stabilization struts according to the present invention.

On a montré en figures 1 à 4 une passerelle de sécurité 1 en position dépliée et pliée qui est fixée à demeure sur une banche de coffrage 2 qui peut être à rayon de courbure réglable.We have shown in Figures 1 to 4 a safety gateway 1 in unfolded and folded position which is permanently fixed on a formwork board 2 which can be adjustable radius of curvature.

La banche de coffrage 2 est représentée en position de repos, c'est à dire avant cintrage et comprend une tôle de coffrage 3 qui est solidaire d'un jeu de poutres de maintien 4.The shuttering form 2 is shown in the rest position, that is to say before bending and comprises a formwork sheet 3 which is integral with a set of support beams 4.

La banche de coffrage 2 comprend, par exemple, un jeu de poutres 4 qui est constitué de quatre poutres de maintien identiques et parallèles, présentant chacune un profil en forme de V à pointe tronquée.The formwork box 2 comprises, for example, a set of beams 4 which consists of four identical and parallel holding beams, each having a truncated point V-shaped profile.

Les poutres de maintien 4 sont régulièrement espacées sur la largeur et disposées suivant des génératrices parallèles sur toute la hauteur de la tôle de coffrage 3.The support beams 4 are regularly spaced across the width and arranged along parallel generatrices over the entire height of the formwork sheet 3.

Les poutres de maintien 4 sont reliées entre elles par des moyens de réglage 5 en longueur s'étendant transversalement aux dites poutres et reliant celles-ci deux à deux dans la partie supérieure et inférieure de la banche de coffrage 2.The support beams 4 are interconnected by means of adjustment 5 in length extending transversely to said beams and connecting them in pairs in the upper and lower part of the formwork box 2.

Les moyens de réglage 5 sont constitués de cornières identiques qui sont fixées sur les pointes tronquées et perpendiculairement aux poutres de maintien 4.The adjustment means 5 consist of identical angles which are fixed on the truncated points and perpendicular to the support beams 4.

Les cornières des moyens de réglage 5 sont raccordées l'une à l'autre par des vérins à vis 7 qui sont soit écartés, soit resserrés suivant le rayon de courbure de cintrage que doit présenter la banche de coffrage 2.The angles of the adjustment means 5 are connected to one another by screw jacks 7 which are either spaced apart or are tightened according to the bending radius of curvature that the formwork board 2 must exhibit.

Également, les cornières sont raccordées à l'opposé de chaque vérin à vis 7 à la tôle de coffrage 3 par d'autres vérins à vis 8, qui permettent d'améliorer le réglage du rayon de courbure de la dite tôle de coffrage au niveau de ses extrémités libres.Also, the angles are connected opposite each screw jack 7 to the shuttering panel 3 by other screw jacks 8, which make it possible to improve the adjustment of the radius of curvature of said formwork sheet at of its free ends.

La banche de coffrage 2 comporte des moyens de serrage 9 qui sont disposés à l'intérieur de chaque poutre de maintien 4, pour la mise en place d'un gabarit de cintrage dans la partie supérieure et inférieure de ladite bancheThe formwork box 2 comprises clamping means 9 which are arranged inside each holding beam 4, for the establishment of a bending template in the upper and lower part of said form

Chaque moyen de serrage 9 est constitué d'un talon métallique faisant office de butée de serrage qui coulisse parallèlement et au-dessus ou en dessous de chaque poutre de maintien 4.Each clamping means 9 consists of a metallic bead acting as a clamping abutment which slides parallel to and above or below each support beam 4.

La passerelle de sécurité 1 comporte entre deux paires de poutres de maintien 4 de la banche de coffrage 2 et sur le dessus desdites poutres des longerons 10 en forme de U sur lesquels sont prévus des points d'ancrages et de pivotements des éléments constituants ladite passerelle de sécurité 1 afin que cette dernière puisse passer d'une position pliée et parallèle à la banche de coffrage 2 à une position dépliée et perpendiculaire à ladite banche.The safety gateway 1 comprises between two pairs of support beams 4 of the formwork box 2 and on the top of said beams 10 U-shaped beams on which are provided anchor points and pivot elements constituting said gateway safety 1 so that the latter can move from a folded position parallel to the formwork box 2 to an unfolded position and perpendicular to said form.

La passerelle de sécurité 1 comprend des moyens de circulation qui sont constitués d'un plateau 11 formé d'un cadre métallique 12 dans lequel est fixé, par exemple, des éléments 13 qui s'adaptent et se déplacent les uns par rapport aux autres pour suivre, si cela est nécessaire, le profil courbe de la banche de coffrage 2.The security gateway 1 comprises circulation means which consist of a plate 11 formed of a metal frame 12 in which is fixed, for example, elements 13 which adapt and move relative to one another for follow, if necessary, the curved profile of the formwork box 2.

Le cadre métallique 12 du plateau 11 est relié à la banche de coffrage 2 par l'intermédiaire de premières traverses de renfort 14 reliées aux longerons 10 par des dispositifs de type charnière 15, permettant audit plateau 11 de basculer ou de pivoter autour de cette charnière pour passer d'une position pliée et parallèle à la banche de coffrage 2, à une position dépliée et perpendiculaire à ladite banche.The metal frame 12 of the plate 11 is connected to the formwork box 2 by means of first reinforcing cross members 14 connected to the side members 10 by hinge-type devices 15, allowing said plate 11 to tilt or pivot around this hinge. to move from a folded position and parallel to the formwork formwork 2, in an unfolded position and perpendicular to said form.

Egalement le cadre métallique 12 du plateau 11 comporte des profilés extrêmes 16 qui coopèrent respectivement avec un dispositif de guidage 17 prévu au niveau des poutres de maintien 4 de la banche de coffrage 2 afin de compléter le guidage angulaire pour passer d'une position pliée et parallèle à la banche de coffrage 2, à une position dépliée et perpendiculaire à ladite banche.Also the metal frame 12 of the plate 11 comprises end profiles 16 which cooperate respectively with a guiding device 17 provided at the level of the holding beams 4 of the formwork box 2 in order to complete the angular guidance to move from a folded position and parallel to the formwork board 2, in an unfolded position and perpendicular to said form.

Le cadre métallique 12 du plateau 11 comporte à l'opposé de la banche de coffrage 2 un profilé de bordure 18 disposé perpendiculairement à la direction des profilés extrêmes 16 et portant à l'extérieur du plateau 11 des dispositifs d'articulation 19 pour la fixation et le pivotement d'un garde corps 20.The metal frame 12 of the plate 11 has opposite the formwork box 2 an edge profile 18 disposed perpendicularly to the direction of the end profiles 16 and carrying on the outside of the plate 11 hinge devices 19 for fixing and the pivoting of a guard 20.

Le garde corps 20 peut être formé en fonction des caractéristiques de la banche de coffrage 2 d'une ou plusieurs structures métalliques 21 susceptible de pivoter autour des dispositifs d'articulation 19 du plateau 11.The bodyguard 20 may be formed according to the characteristics of the formwork box 2 of one or more metal structures 21 pivotable about the hinge devices 19 of the plate 11.

Chaque structure métallique 21 comporte suivant une direction verticale en position déplié du garde corps 20 au moins un élément tubulaire 22 qui peut être de section carré et à l'intérieur duquel coulisse une rallonge 23 de même section externe et de section interne cylindrique.Each metal structure 21 comprises in a vertical direction in the unfolded position of the bodyguard 20 at least one tubular element 22 which may be of square section and within which slides an extension 23 of the same external section and cylindrical internal section.

L'élément tubulaire 22 comporte dans cette position dépliée du garde corps 20 une extrémité inférieure qui vient se loger dans un guide 24 aménagé à l'extrémité de la traverse de renfort 14 correspondante.The tubular element 22 comprises in this unfolded position of the bodyguard 20 a lower end which is housed in a guide 24 arranged at the end of the corresponding cross member 14.

A l'intérieur de chaque rallonge 23 coulisse un étais 25 de profil cylindrique comportant au niveau de son extrémité libre une plaque de pied démontable 26.Inside each extension 23 slides a stay 25 of cylindrical profile having at its free end a removable foot plate 26.

La hauteur de l'étais 25 est réglé par rapport à la rallonge 23 au moyen d'un dispositif de réglage 27 venant se bloquer sur l'étais 25 de manière que l'extrémité libre de ladite rallonge 23 vienne prendre appui sur ledit dispositif de réglage.The height of the strut 25 is adjusted relative to the extension 23 by means of an adjusting device 27 which is immobilized on the strut 25 so that the free end of said extension piece 23 bears on said strut device. setting.

Chaque dispositif de réglage 27 comporte un axe coopérant avec l'un des alésages traversant ménagés dans le tube formant l'étais 25 pour être bloqué en translation sur ce dernier empêchant l'étais 25 de coulisser à l'intérieur de la rallonge 23.Each adjusting device 27 comprises an axis cooperating with one of the through bores formed in the tube forming the strut 25 to be locked in translation on the latter preventing the strut 25 from sliding inside the extension 23.

Chaque étais 25 est maintenu à l'opposé de la rallonge 23 au moyen d'un bracon d'étais 28 fixé par l'intermédiaire d'un dispositif pivotant 29 sur le longeron 10 en dessous des moyens de réglage inférieur 5 de la banche de coffrage 2.Each strut 25 is held opposite the extension 23 by means of a strut brace 28 fixed by means of a pivoting device 29 to the spar 10 below the lower adjustment means 5 of the formwork 2.

Chaque bracon d'étais 28 comporte une rallonge de bracon 30 réglable en longueur et solidaire à son extrémité libre d'un étrier 31 en forme de U à l'intérieur duquel est logé en position dépliée l'étais 25 afin de le maintenir dans l'axe de la rallonge 23 de l'élément tubulaire 22.Each brace of struts 28 comprises a lengthwise adjustable length of brace 30 and secured at its free end to a U-shaped stirrup 31 inside which the strut 25 is housed in an unfolded position in order to keep it in position. axis of the extension 23 of the tubular element 22.

Chaque étrier 31 comporte des moyens de blocage coopérant avec les alésages de l'étais 25 afin d'empêcher ce dernier de sortie dudit étrier.Each yoke 31 has locking means cooperating with the bores of the strut 25 to prevent the latter from output of said yoke.

Ainsi, chaque bracon d'étais 28 peut pivoter au moyen de son dispositif pivotant 29 dans une direction comprise dans un plan coupant perpendiculairement celle de translation de l'étais 25 de manière que chaque bracon 28 puisse passer d'une position pliée et parallèle aux moyens de réglage inférieur 5 de la banche de coffrage 2 à une position dépliée et perpendiculaire auxdits moyens de réglage inférieur 5.Thus, each strut brace 28 can pivot by means of its pivoting device 29 in a direction in a cutting plane perpendicular to that of translation of the strut 25 so that each brace 28 can pass from a folded position and parallel to lower adjustment means 5 of the shuttering box 2 in an unfolded position and perpendicular to said lower adjustment means 5.

La passerelle de sécurité 1 comporte à chaque extrémité un dispositif de reprise des efforts 32 qui est constitué d'une première traverse inclinée 33 et d'une seconde traverse horizontale 34 reliant dans le plan de l'étais 25 le cadre métallique 12 du plateau 11 au longeron 10 correspondant solidaire des poutres de maintien 4 de la banche de coffrage 2.The safety gateway 1 comprises at each end a force recovery device 32 which consists of a first inclined crossbar 33 and a second horizontal crossbar 34 connecting in the plane of the strut 25 the metal frame 12 of the plate 11 to the corresponding spar 10 secured to the support beams 4 of the formwork board 2.

Le dispositif de reprise 32 comporte des moyens d'assistance 37 assurant les mouvements d'ouverture et de fermeture de la passerelle de sécurité 1 par rapport à la banche de coffrage 2.The recovery device 32 comprises assistance means 37 ensuring the opening and closing movements of the safety gateway 1 with respect to the formwork board 2.

Les moyens d'assistance 37 sont constitués soit d'un ressort, soit d'un vérin pneumatique reliant la traverse horizontale 34 du dispositif de reprise 32 à la traverse de renfort 14 du plateau 11. Ainsi sous l'effort de pousser des moyens d'assistance 37 la passerelle de sécurité 1, après son déverrouillage vient se déplier en position d'ouverture.The assistance means 37 consist either of a spring or a pneumatic cylinder connecting the horizontal cross member 34 of the recovery device 32 to the reinforcing cross member 14 of the plate 11. Thus under the effort of pushing means of Assist 37 security gateway 1, after unlocking unfolds in the open position.

Le dispositif de reprise 32 est agencé de manière à pouvoir se plier et se déplier automatiquement sous l'assistance des moyens d'assistance 37 lors des mouvements d'ouverture et de fermeture de la passerelle de sécurité 1 et se bloquer en position déplier pour garantir une parfaite stabilité du plateau 11.The recovery device 32 is arranged to be able to fold and unfold automatically under the assistance of the assistance means 37 during the opening and closing movements of the security gateway 1 and to lock in the unfolded position to guarantee a perfect stability of the plate 11.

Le plateau 11 de la passerelle de sécurité 1 comporte en son milieu une trappe d'accès 35 en dessous de laquelle est prévue une échelle 36 permettant aux opérateurs de monter sur ladite passerelle.The plate 11 of the security gateway 1 comprises in its middle an access hatch 35 below which is provided a scale 36 allowing operators to climb on said gateway.

L'échelle 36 est agencée de manière à pouvoir se plier et se déplier lors des mouvements d'ouverture et de fermeture de la passerelle de sécurité 1 et se bloquer en position déplié pour permettre l'accès au plateau 11.The ladder 36 is arranged to be able to fold and unfold during the opening and closing movements of the safety gateway 1 and to lock in the unfolded position to allow access to the plate 11.

Il doit d'ailleurs être entendu que la description qui précède n'a été donnée qu'à titre d'exemple et qu'elle ne limite nullement le domaine de l'invention dont on ne sortirait pas en remplaçant les détails d'exécution décrits par tout autre équivalent.It must also be understood that the foregoing description has been given by way of example only and that it in no way limits the scope of the invention which could not be overcome by replacing the execution details described. by any other equivalent.

Claims (9)

  1. A security footbridge for a form panel (2) including fastening means on the one hand allowing permanent retention of said footbridge (1) on said panel, and on the other hand making it possible to go from a folded position bearing against said panel (2) to an unfolded position in a direction perpendicular to the panel, characterized in that it comprises a plate (11) provided with a border profile (18) bearing articulating devices (19) for the fastening and pivoting of at least one railing (20) comprising at least one tubular element (22) inside which at least one extender (23) slides that extends by the sliding of at least one stay (25) secured at its free end to a footplate (26), said stay (25) being locked in an unfolded position on the one hand in translation relative to the extender (23) by a locking device (27), and on the other hand in pivoting relative to said form panel (2) by a stay bracket (28) fastened on said form panel (2) using a pivoting device (29) making it possible to rotate said stay bracket (28) toward said stay (25).
  2. The security footbridge according to claim 1, characterized in that the height of the stay (25) is adjusted relative to the extender (23) using the adjusting device (27), which becomes locked on said stay (25) such that the free end of said extender (23) bears on said adjusting device (27).
  3. The security footbridge according to claim 2, characterized in that the adjusting device (27) includes an axle cooperating with one of the through bores formed in the tube forming the stay (25) to be locked in translation on the latter, preventing the stay (25) from sliding inside the extender (23).
  4. The security footbridge according to claim 1, characterized in that the stay bracket (28) includes a bracket extender (30) with an adjustable length and secured at its free end to a U-shaped stirrup (31) inside which the stay (25) is housed in the unfolded position.
  5. The security footbridge according to claim 4, characterized in that the stirrup (31) of the stay bracket (30) includes locking means cooperating with the bores of the stay (25).
  6. The security footbridge according to claim 1, characterized in that the stay bracket (28) can pivot using its pivot device (29) in a direction that is comprised in a plane perpendicularly intersecting the translation direction of the stay (25), such that said bracket (28) can go from a folded position parallel to the form panel (2) to an unfolded position perpendicular to the form panel (2).
  7. The security footbridge according to claim 1, characterized in that at each end, it includes a force reacting device (32) that is made up of a first inclined crosspiece (33) and a second horizontal crosspiece (34) connecting the plate (11) to the form panel (2) in the plane of the stay (25).
  8. The security footbridge according to claim 1, characterized in that it includes assistance means (37) ensuring the opening and closing movements of said security footbridge (1) relative to the form panel (2).
  9. The security footbridge according to claims 7 and 8, characterized in that the assistance means (37) are made up either of a spring, or of a pneumatic cylinder connecting the horizontal crosspiece (34) of the reacting device (32) to the reinforcing crosspiece (14) of the plate (11).
EP12356027.8A 2011-12-01 2012-11-28 Security footbridge with extendable brace for form panel Active EP2599938B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1161027A FR2983505B1 (en) 2011-12-01 2011-12-01 SECURITY GATEWAY WITH DEPLIABLE STRETCH FOR FORMWORK BANK

Publications (2)

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EP2599938A1 EP2599938A1 (en) 2013-06-05
EP2599938B1 true EP2599938B1 (en) 2014-08-20

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Application Number Title Priority Date Filing Date
EP12356027.8A Active EP2599938B1 (en) 2011-12-01 2012-11-28 Security footbridge with extendable brace for form panel

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EP (1) EP2599938B1 (en)
FR (1) FR2983505B1 (en)
PT (1) PT2599938E (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007779B1 (en) * 2013-07-01 2016-01-01 Sateco Sa FORMWORK BANK INCLUDING MEANS FOR ASSISTING THE FOLDING / FOLDING OF A TRAFFIC PLATFORM
FR3027932B1 (en) * 2014-10-30 2018-03-02 Sateco ASSEMBLY OF A FOLDING STRUCTURE OF WORK IN ENCORBELLEMENT AND A PLURALITY OF ARTICULATED SUPPORT STAYS
CN107642048A (en) * 2017-09-22 2018-01-30 宁夏桥多美路桥钢模板科技有限公司 Pier stud high-altitude construction platform and high-altitude construction method
FR3114335B1 (en) 2020-09-22 2022-11-11 Anoxa ELEMENT OF GUARDRAILS, IN PARTICULAR OF PANEL GUARDRAILS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598453B1 (en) * 1986-05-09 1988-08-12 Husson Cie Sa R BENCH FOR THE REALIZATION OF WALLS, OR THE LIKE
FR2826033B1 (en) * 2001-06-19 2004-07-30 Eurobress Sarl Soc SECURITY GATEWAY FOR A FORMWORK DEVICE WITH VARIABLE CURVE RADIUS
EP1413696A1 (en) * 2002-10-24 2004-04-28 Hussor S.A. Shuttering in composite material
FR2903716B1 (en) * 2006-07-12 2012-06-08 Hussor BANK WITH AUTOMATIC LOCKING CIRCULATION PLATFORM IN SERVICE POSITION

Also Published As

Publication number Publication date
FR2983505A1 (en) 2013-06-07
EP2599938A1 (en) 2013-06-05
FR2983505B1 (en) 2014-01-10
PT2599938E (en) 2014-10-27

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