EP2180117B1 - Safety guard rails for scaffolding, installation method and scaffolding obtained - Google Patents

Safety guard rails for scaffolding, installation method and scaffolding obtained Download PDF

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Publication number
EP2180117B1
EP2180117B1 EP09173020.0A EP09173020A EP2180117B1 EP 2180117 B1 EP2180117 B1 EP 2180117B1 EP 09173020 A EP09173020 A EP 09173020A EP 2180117 B1 EP2180117 B1 EP 2180117B1
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EP
European Patent Office
Prior art keywords
assembly
guardrail
scaffolding
smooth
upright
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EP09173020.0A
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German (de)
French (fr)
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EP2180117A2 (en
EP2180117A3 (en
Inventor
Eric Sta
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Tubesca Comabi SAS
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Tubesca Comabi SAS
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Publication of EP2180117A2 publication Critical patent/EP2180117A2/en
Publication of EP2180117A3 publication Critical patent/EP2180117A3/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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/14—Railings
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/14—Railings
    • E04G5/147—Railings specially adapted for mounting prior to the mounting of the platform

Definitions

  • the invention relates to a set of smooth and sub smooth solidarity scaffolding, the mounting method and the scaffolding obtained.
  • the beam and the sub-beam forming two parallel branches of a rectangle parallelogram and being capable of coming into engagement at their ends on the vertical scale planes erected scaffolding, characterized in that the sub-smooth comprises in addition two external rods articulated in the plane of the parallelogram and each provided with a hook at its end, being adapted to be each fixed by its hook on each of the two planes scale in order to consolidate the bonding of the smooth and sub-smooth assembly relative to the scale planes.
  • This arrangement allows an operator to mount the smooth and sub-smooth assemblies by the articulated rods from the ground or a lower stage of scaffolding, in particular while being protected laterally by the smooth and under-sloping of the lower stage.
  • said smooth and sub-smooth assembly comprises two bars rigidly connecting the smooth and the smooth sub, arranged perpendicular thereto and equidistant from their opposite ends.
  • they are each arranged on one side of the smooth assembly and under smooth, for example at a quarter or a third of their length.
  • Said set of smooth and under smooth can still have three or more bars connecting rigidly smooth and sub smooth, arranged perpendicular to them.
  • the articulated rods are long enough to allow assembly at height arm's length of the smooth and smooth under the ladder planes erected from the scaffolding stage to be mounted by an operator in the ground position or on the shelf of the lower stage of scaffolding.
  • the smooth and under smooth are advantageously provided at each end and in their extension of a set of two dishes intended to come low play on each side of an amount of a scale plan, one of the dishes intended to come inwards, longer than the outer plate, being provided with a lower recess adapted to receive in engagement a scale plane step, on assembly, for its attachment to the scale plane by the connection of the rod articulated to an amount of it.
  • This configuration of the long and short dishes at each end of the smooth and under slats allows when the ladder plans of the scaffold are erected vertically, connected by their diagonal rods, to the assembly, to translate the entire smooth and under smooth on one side of the scaffolding, the smooth and sub smooth plates coming from that side along the ladder plane upright, far enough so that the plates of the opposite ends can pass in front of the opposite ladder plane upright and come also on each side of this amount, with engagement of the lower recess on the rung.
  • the engagement of the recesses on each of the steps opposite is simultaneous.
  • the assembly of smooth and under smooth is thus maintained laterally solidarily to the plans of scale by the dishes on the uprights. It is also maintained in position on two points by the engagement of the recesses of the long upper plates of the smooth on the two steps opposite opposite planes of scale and the triangulated connection of the rods articulated to the uprights.
  • the hooks of the articulated rods are advantageously clamping type on the upright, for example by means of a jaw or clamps tightened by screws on the upright, preferably each hinged to the rod.
  • the assembly of smooth and under smooth may further comprise a transverse plane of transverse symmetry so that it can be mounted indifferently on one or the other side of the scaffolding.
  • the invention also relates to the mounting method for a scaffolding of the entire smooth and under smooth as defined above.
  • the dismantling of the scaffolding is carried out according to a succession of steps opposite to those of the assembly.
  • the invention also relates to a scaffold obtained by the implementation of the aforementioned mounting method.
  • a set of smooth and under integral smooth 1 for scaffolding comprises a smooth 3 and a sub smooth 5 metal connected in parallel and rigidly to each other by means of two bars 7 fixed perpendicularly to each of them , for example welded to them.
  • the smooth 3 and smooth 5 are about the same length and are arranged right to each other vertically at a distance of 0.50 meters in a rectangular parallelogram.
  • the bars 7 are arranged symmetrically with respect to a transverse median plane P of the smooth and sub-smooth assembly, each approximately one third of the length thereof on each side of the assembly 1.
  • the smooth 3 and under smooth 5 are provided at each end of two parallel longitudinal plates 9, 11; 9 ', 11', respectively, arranged in the extension of the smooth or under smooth.
  • the long plate 9 of the rail intended to come inside the amount of scale plane 15 is shaped with a lower cutout 17, which is provided with a substantially triangular lower recess 19 for receiving a step 21 of FIG. a scale plan 15 of the scaffold erected vertically, while the other shorter plate 11 encloses the amount 13, as well as the long plate 9 but a shorter length.
  • the underside 5 is provided at each of its ends with two dishes, an inner long dish 9 'without recess and an outer short dish 11'.
  • the assembly 1 also comprises two rods 23 mounted articulated outwardly on the sub-smooth 5 in the plane of the parallelogram, each at a small distance from the end of one of the two bars 7, between them.
  • These rods 23 have a length of about one meter, which makes it possible to bring the assembly of smooth and under smooth 1 to the high level of the scale planes 15, at the end of a man's arm holding the rods 23 in extension verticals ( figure 2 ).
  • These rods 23 are each provided at their end with an articulated hook 25 of the jaw type capable of clamping the upright 13 in rigid engagement.
  • the figure 2 shows the mounting of a scaffold 27 from the ground.
  • Two vertical scale planes 15 are erected vertically on a lower base 29. They are connected by a diagonal bar 31 on each of their side.
  • the operator 33 must first elevate a set of smooth and under smooth 1 by means of the articulated rods 23 by taking them by their end and bringing them up arms to the top of the two scale planes 15.
  • L the assembly being raised to the upper level of the scale planes 15, the operator engages the smooth and sub-smooth end plates 9, 11; 9 ', 11' on one side of the assembly relative to an amount 13 of the scale plane 15.
  • the second set 1 of smooth and under smooth ( figure 3 ) is mounted in the same way on the other uprights 13 of the scaffolding.
  • the scale planes 15 are also rigidly connected to each other by the tight triangulation of the articulated rods 23, the diagonal bars 31 of the scale planes can be removed.
  • the scaffold plate (not shown) can then be mounted and then a new scaffolding stage can be mounted, in the same manner as above from the scaffolding plate of the stage in place.
  • the two connecting bars 7 can be replaced by a single median.
  • the hooks 25 may also be of a type other than jaw or collet, they could be hook and tightener tightening, for example screw to firmly tighten the triangulation link and prevent play in it .
  • each of the smooth 3 and smooth 5 can be replaced by a single inner plate 35 provided with a notch 37 complementary low clearance of the end section narrowed vertically, ovalized or with a relief or lateral retaining stop of the step 21, which is internally connected to the amount of scale plane 13.
  • This narrowed, vertically ovalized section 39 of the echelon 21 in the case of the embodiment is of less width than the circular, square, rectangular or other of the body of the echelon 21. It receives the notch 37 of the dish 35 which is locked transversely on the step 21.
  • the smooth 3 or the sub-smooth 5 and positioned on the rung against the inner face of the upright 13 can not slide transversely and remains rigidly held in position.
  • the plate 35 may further be shaped ( figure 5 ) in a curved and shortened form of hook 41 surrounding the inner face of the upright 13, which prevents misleading in the assembly direction of the assembly of smooth and under smooth 1 on the uprights 13 of scale plan and allows a setting of the line of smooth and under smooth 1 with the amounts 13.
  • the assembly is simplified because it no longer requires to pass the two end plates of the smooth 3 and under smooth 5 of the previous embodiment ( figure 3 ) in each amount 13. It is sufficient to introduce the assembly of smooth and under smooth 1 inside the two scale planes 15 erected by turning slightly, to go down the end hooks 41 smooth and under smooth simultaneously on the oval end sections 39 of the four rungs 21 to engage and engage them thereon. It is then possible to attach the articulated rods 23 each to a ladder plane upright 13 to complete the assembly.

Description

L'invention concerne un ensemble de lisse et sous lisse solidaires pour échafaudage, le procédé de montage et l'échafaudage obtenu.The invention relates to a set of smooth and sub smooth solidarity scaffolding, the mounting method and the scaffolding obtained.

On sait que le montage des échafaudages nécessite des lisses et des sous lisses de sécurité indépendantes fixées de chaque côté des niveaux ou étages de l'échafaudage pour protéger latéralement la personne qui y accède de toute chute. Néanmoins, le montage de ces lisses et sous lisses est relativement complexe à réaliser en hauteur, en particulier par une personne seule et peut nécessiter des perches spéciales. Il est fait référence au document FR 2 732 706 A1 . L'invention vise à remédier à cet inconvénient et propose un ensemble de lisse et sous lisse de sécurité destiné à être monté sur des plans d'échelle d'échafaudage, comportant une lisse et une sous lisse de même longueur reliées l'une à l'autre rigidement au droit l'une de l'autre par au moins une barre, la lisse et la sous lisse formant deux branches parallèles d'un parallélogramme rectangle et étant aptes à venir en prise par leurs extrémités sur les plans d'échelle verticaux dressés de l'échafaudage, caractérisé en ce que la sous lisse comporte en outre deux tiges externes articulées dans le plan du parallélogramme et pourvues chacune d'un crochet à son extrémité, étant aptes à être fixées chacune par son crochet sur chacun des deux plans d'échelle en vue de consolider la liaison de l'ensemble de lisse et sous lisse relativement aux plans d'échelle.It is known that the assembly of scaffolds requires smooth and independent safety sub-straps attached to each side of the levels or floors of the scaffold to laterally protect the person who accesses any fall. Nevertheless, the assembly of these smooth and under smooth is relatively complex to achieve in height, especially by a single person and may require special poles. Reference is made to the document FR 2 732 706 A1 . The invention aims to overcome this disadvantage and proposes a set of smooth and under safety rail intended to be mounted on scaffolding scale planes, having a smooth and a smooth sub of the same length connected to each other. other rigidly at right angles to one another by at least one bar, the beam and the sub-beam forming two parallel branches of a rectangle parallelogram and being capable of coming into engagement at their ends on the vertical scale planes erected scaffolding, characterized in that the sub-smooth comprises in addition two external rods articulated in the plane of the parallelogram and each provided with a hook at its end, being adapted to be each fixed by its hook on each of the two planes scale in order to consolidate the bonding of the smooth and sub-smooth assembly relative to the scale planes.

Cette disposition permet à un opérateur de monter les ensembles de lisse et sous lisse par les tiges articulées depuis le sol ou un étage inférieur d'échafaudage, notamment tout en étant protégé latéralement par les lisses et sous lisses de l'étage inférieur.This arrangement allows an operator to mount the smooth and sub-smooth assemblies by the articulated rods from the ground or a lower stage of scaffolding, in particular while being protected laterally by the smooth and under-sloping of the lower stage.

Selon des caractéristiques avantageuses de l'invention, ledit ensemble de lisse et sous lisse comporte deux barres reliant rigidement la lisse et la sous lisse, disposées perpendiculairement à celles-ci et à égale distance de leurs extrémités opposées. De préférence, elles sont disposées chacune sur un côté de l'ensemble de lisse et sous lisse, par exemple au quart ou au tiers de leur longueur. Ledit ensemble de lisse et sous lisse peut encore comporter trois barres ou plus reliant rigidement la lisse et la sous lisse, disposées perpendiculairement à celles-ci.According to advantageous features of the invention, said smooth and sub-smooth assembly comprises two bars rigidly connecting the smooth and the smooth sub, arranged perpendicular thereto and equidistant from their opposite ends. Preferably, they are each arranged on one side of the smooth assembly and under smooth, for example at a quarter or a third of their length. Said set of smooth and under smooth can still have three or more bars connecting rigidly smooth and sub smooth, arranged perpendicular to them.

Les tiges articulées sont suffisamment longues pour permettre le montage en hauteur à bout de bras de l'ensemble lisse et sous lisse sur les plans d'échelle dressés de l'étage d'échafaudage à monter par un opérateur en position au sol ou sur le plateau de l'étage inférieur d'échafaudage.The articulated rods are long enough to allow assembly at height arm's length of the smooth and smooth under the ladder planes erected from the scaffolding stage to be mounted by an operator in the ground position or on the shelf of the lower stage of scaffolding.

Les lisse et sous lisse sont avantageusement pourvues à chacune de leur extrémité et dans leur prolongement d'un ensemble de deux plats destinés à venir à faible jeu de chaque côté d'un montant d'un plan d'échelle, l'un des plats destinés à venir vers l'intérieur, plus long que le plat extérieur, étant pourvu d'un évidement inférieur apte à recevoir en engagement un échelon de plan d'échelle, au montage, pour sa fixation au plan d'échelle par la liaison de la tige articulée à un montant de celui ci. Cette configuration des plats longs et courts à chaque extrémité des lisses et sous lisses permet lorsque les plans d'échelle de l'échafaudage sont dressés verticalement, reliés par leur tiges diagonales, au montage, de translater l'ensemble de lisse et sous lisse sur un côté de l'échafaudage, les plats de lisse et sous lisse venant de ce côté le long du montant de plan d'échelle, suffisamment loin pour que les plats des extrémités opposées puissent passer devant le montant de plan d'échelle opposé et viennent également de chaque côté de ce montant, avec engagement de l'évidement inférieur sur l'échelon. L'engagement des évidements sur chacun des échelons en regard est simultané. L'ensemble de lisse et sous lisse est ainsi maintenu latéralement solidairement aux plans d'échelle par les plats sur les montants. Il est également maintenu en position sur deux points par l'engagement des évidements des plats longs supérieurs de la lisse sur les deux échelons en regard des plans d'échelle opposés et par la liaison triangulée des tiges articulées aux montants.The smooth and under smooth are advantageously provided at each end and in their extension of a set of two dishes intended to come low play on each side of an amount of a scale plan, one of the dishes intended to come inwards, longer than the outer plate, being provided with a lower recess adapted to receive in engagement a scale plane step, on assembly, for its attachment to the scale plane by the connection of the rod articulated to an amount of it. This configuration of the long and short dishes at each end of the smooth and under slats allows when the ladder plans of the scaffold are erected vertically, connected by their diagonal rods, to the assembly, to translate the entire smooth and under smooth on one side of the scaffolding, the smooth and sub smooth plates coming from that side along the ladder plane upright, far enough so that the plates of the opposite ends can pass in front of the opposite ladder plane upright and come also on each side of this amount, with engagement of the lower recess on the rung. The engagement of the recesses on each of the steps opposite is simultaneous. The assembly of smooth and under smooth is thus maintained laterally solidarily to the plans of scale by the dishes on the uprights. It is also maintained in position on two points by the engagement of the recesses of the long upper plates of the smooth on the two steps opposite opposite planes of scale and the triangulated connection of the rods articulated to the uprights.

Les crochets des tiges articulées sont avantageusement de type à serrage sur le montant, par exemple au moyen d'une mâchoire ou de pinces serrées par vis sur le montant, de préférence articulés chacun à la tige.The hooks of the articulated rods are advantageously clamping type on the upright, for example by means of a jaw or clamps tightened by screws on the upright, preferably each hinged to the rod.

L'ensemble de lisse et sous lisse peut comporter en outre un plan de symétrie médian transversal en sorte qu'il peut être monté indifféremment sur l'un ou l'autre des côtés de l'échafaudage.The assembly of smooth and under smooth may further comprise a transverse plane of transverse symmetry so that it can be mounted indifferently on one or the other side of the scaffolding.

L'invention concerne également le procédé de montage pour un échafaudage de l'ensemble de lisse et sous lisse tel que défini précédemment.The invention also relates to the mounting method for a scaffolding of the entire smooth and under smooth as defined above.

Ce procédé comporte les étapes suivantes :

  • dresser à partir du sol ou d'un étage d'échafaudage monté deux plans d'échelle à relier verticalement l'un à l'autre par des tiges diagonales,
  • élever depuis le sol ou un plateau d'étage inférieur un ensemble de lisse et sous lisse au moyen de ses tiges articulées déployées par un opérateur jusqu'au niveau supérieur des deux plans d'échelle dressés,
  • engager l'ensemble par son extrémité, relativement à un montant de plan d'échelle, les plats de lisse et sous lisse venant de chaque côté du montant, et suffisamment loin pour faire passer l'autre extrémité de l'ensemble devant le montant de plan d'échelle opposé , puis ramener l'ensemble pour l'engager sur le montant de plan d'échelle opposé et positionner les évidements des plats longs sur les échelons en vis-à-vis des deux plans d'échelle, et
  • fixer les tiges articulées par leur crochet d'extrémité à chacun des montants en vis-à-vis des plans d'échelle opposés.
This process comprises the following steps:
  • erect from the ground or scaffolding stage mounted two scale planes to connect vertically to one another by diagonal rods,
  • raising from the ground or a lower floor tray a set of smooth and sub-smooth by means of its articulated rods deployed by an operator to the upper level of the two erected scale planes,
  • engage the assembly by its end, relative to a ladder plane amount, smooth and sub smooth plates coming from each side of the upright, and far enough to pass the other end of the assembly in front of the amount of plan of opposite scale, then bring the assembly to engage it on the amount of opposite scale plan and position the recesses of the long dishes on the ladders vis-à-vis the two scale plans, and
  • fix the articulated rods by their end hook to each of the uprights vis-à-vis the opposite scale planes.

Naturellement, le montage du second ensemble de lisse et sous lisse sur les deux autres montants en vis-à-vis des plans d'échelle (de l'autre côté) est réalisé de la même manière que précité.Naturally, the assembly of the second set of smooth and under smooth on the other two amounts vis-à-vis scale plans (on the other side) is made in the same manner as above.

En outre, le montage des étages successifs de l'échafaudage est exécuté de façon analogue, étage par étage depuis le plateau de l'étage inférieur.In addition, the assembly of the successive stages of the scaffolding is carried out analogously, floor by floor from the lower stage tray.

Le démontage de l'échafaudage est réalisé selon une suite d'étapes inverses à celles du montage.The dismantling of the scaffolding is carried out according to a succession of steps opposite to those of the assembly.

L'invention concerne également un échafaudage obtenu par la mise en oeuvre du procédé de montage précité.The invention also relates to a scaffold obtained by the implementation of the aforementioned mounting method.

L'invention est illustrée ci-après à l'aide d'un exemple de réalisation et en référence aux dessins annexés sur lesquels :

  • la figure 1 est une vue en perspective d'un ensemble de lisse et sous lisse selon l'invention avec ses tiges articulées en position repliée,
  • la figure 2 montre le montage depuis le sol du premier ensemble de lisse et sous lisse sur un échafaudage en cours d'exécution,
  • la figure 3 montre le montage du deuxième ensemble de lisse et sous lisse sur l'échafaudage, et
  • les figures 4 et 5 montrent des variantes d'engagement de l'ensemble de lisse et sous lisse sur les échelons de plan d'échelle.
The invention is illustrated below with the aid of an exemplary embodiment and with reference to the appended drawings in which:
  • the figure 1 is a perspective view of a set of smooth and under smooth according to the invention with its articulated rods in the folded position,
  • the figure 2 shows the assembly from the ground of the first set of smooth and under smooth on a scaffolding running,
  • the figure 3 shows the assembly of the second set of smooth and under smooth on the scaffolding, and
  • the Figures 4 and 5 show variations of engagement of the whole smooth and under smooth on the ladder plan ladder.

Avec référence aux dessins et en particulier à la figure 1, un ensemble de lisse et sous lisse solidaire 1 pour échafaudage selon l'invention comporte une lisse 3 et une sous lisse 5 métalliques reliées parallèlement et rigidement l'une à l'autre au moyen de deux barres 7 fixées perpendiculairement à chacune d'elles, par exemple soudées sur celles-ci.With reference to the drawings and in particular to the figure 1 , a set of smooth and under integral smooth 1 for scaffolding according to the invention comprises a smooth 3 and a sub smooth 5 metal connected in parallel and rigidly to each other by means of two bars 7 fixed perpendicularly to each of them , for example welded to them.

Les lisse 3 et sous lisse 5 sont environ de même longueur et sont disposées au droit l'une de l'autre verticalement à une distance de 0,50 mètres selon un parallélogramme rectangle. Les barres 7 sont disposées avec symétrie par rapport à un plan médian transversal P de l'ensemble de lisse et sous lisse, chacune environ au tiers de la longueur de celles-ci de chaque côté de l'ensemble 1.The smooth 3 and smooth 5 are about the same length and are arranged right to each other vertically at a distance of 0.50 meters in a rectangular parallelogram. The bars 7 are arranged symmetrically with respect to a transverse median plane P of the smooth and sub-smooth assembly, each approximately one third of the length thereof on each side of the assembly 1.

Les lisse 3 et sous lisse 5 sont pourvues à chacune de leur extrémité de deux plats longitudinaux parallèles 9, 11 ; 9', 11', respectivement, disposés dans le prolongement de la lisse ou sous lisse.The smooth 3 and under smooth 5 are provided at each end of two parallel longitudinal plates 9, 11; 9 ', 11', respectively, arranged in the extension of the smooth or under smooth.

L'un des plats, celui intérieur 9 ou 9' est plus long que l'autre 11, 11'. Le plat long 9 de la lisse destiné à venir à l'intérieur du montant 13 de plan d'échelle 15 est conformé avec une découpe inférieure 17, laquelle est pourvue d'un évidement inférieur 19 sensiblement triangulaire destiné à recevoir un échelon 21 d'un plan d'échelle 15 de l'échafaudage dressé verticalement, tandis que l'autre plat 11 plus court enserre le montant 13, de même que le plat long 9 mais sur une longueur moindre.One of the dishes, the inner one 9 or 9 'is longer than the other 11, 11'. The long plate 9 of the rail intended to come inside the amount of scale plane 15 is shaped with a lower cutout 17, which is provided with a substantially triangular lower recess 19 for receiving a step 21 of FIG. a scale plan 15 of the scaffold erected vertically, while the other shorter plate 11 encloses the amount 13, as well as the long plate 9 but a shorter length.

La sous lisse 5 est pourvue à chacune de ses extrémités de deux plats, un plat long intérieur 9' sans évidement et un plat court extérieur 11'.The underside 5 is provided at each of its ends with two dishes, an inner long dish 9 'without recess and an outer short dish 11'.

Ces plats 9, 11, 9', 11' dépassent suffisamment de l'extrémité de la lisse 3 ou sous lisse 5 pour permettre, tandis qu'ils enserrent le montant 13 sur un côté de l'ensemble 1, le recul en translation horizontal de l'ensemble 1 dans le sens extérieur et permettre que l'autre extrémité de l'ensemble 1 avec ses plats 9, 11, 9', 11' puisse passer devant le montant 13 en vis-à-vis du plan d'échelle opposé, à faible distance de celui-ci, et revenir dans le sens contraire pour permettre l'engagement de l'évidement 19 du plat long 9 sur l'échelon correspondant 21, cet engagement étant similaire et simultané pour les deux évidements 19 sur les deux échelons 21 en vis-à-vis des plans d'échelle opposés 15.These plates 9, 11, 9 ', 11' sufficiently protrude from the end of the smooth 3 or under smooth 5 to allow, while they enclose the amount 13 on one side of the assembly 1, the recoil in horizontal translation of the assembly 1 in the outer direction and allow the other end of the assembly 1 with its plates 9, 11, 9 ', 11' can pass in front of the amount 13 vis-à-vis the scale plan opposite, at a short distance from it, and back in the opposite direction to allow the engagement of the recess 19 of the long plate 9 on the corresponding step 21, this commitment being similar and simultaneous for the two recesses 19 on the two steps 21 opposite the opposite scale planes 15.

L'ensemble 1 comporte également deux tiges 23 montées articulées vers l'extérieur sur la sous lisse 5 dans le plan du parallélogramme, chacune à faible distance de l'extrémité d'une des deux barres 7, entre celles-ci.The assembly 1 also comprises two rods 23 mounted articulated outwardly on the sub-smooth 5 in the plane of the parallelogram, each at a small distance from the end of one of the two bars 7, between them.

Ces tiges 23 ont une longueur d'environ un mètre, ce qui permet d'amener l'ensemble de lisse et sous lisse 1 au niveau haut des plans d'échelle 15, à bout de bras d'homme tenant les tiges 23 en extension verticales (figure 2). Ces tiges 23 sont pourvues chacune à leur extrémité d'un crochet articulé 25 de type à mâchoire apte à serrer le montant 13 en prise rigide.These rods 23 have a length of about one meter, which makes it possible to bring the assembly of smooth and under smooth 1 to the high level of the scale planes 15, at the end of a man's arm holding the rods 23 in extension verticals ( figure 2 ). These rods 23 are each provided at their end with an articulated hook 25 of the jaw type capable of clamping the upright 13 in rigid engagement.

Le montage de cet ensemble de lisse et sous lisse 1 est à présent décrit en référence aux figures 2 et 3.The assembly of this assembly of smooth and under smooth 1 is now described with reference to figures 2 and 3 .

La figure 2 montre le montage d'un échafaudage 27 à partir du sol. Deux plans d'échelle verticaux 15 sont dressés verticalement sur un socle inférieur 29. Ils sont reliés par une barre diagonale 31 sur chacun de leur côté. L'opérateur 33 doit tout d'abord élever un ensemble de lisse et sous lisse 1 au moyen des tiges articulées 23 en les prenant par leur extrémité et en les amenant à bout de bras vers le haut des deux plans d'échelle 15. L'ensemble étant élevé au niveau supérieur des plans d'échelle 15, l'opérateur engage les plats d'extrémité de lisse et sous lisse 9, 11 ; 9', 11' d'un côté de l'ensemble relativement à un montant 13 du plan d'échelle 15. Il translate alors l'ensemble 1 vers l'extérieur, les plats respectivement 9, 11 ; 9', 11' coulissant sur le montant 13, puis il passe l'autre extrémité de l'ensemble 1 devant le montant 13 du plan d'échelle 15 opposé ; il engage alors les plats de cette extrémité 9, 11 ; 9', 11' sur le montant 13 puis translate l'ensemble 1 dans l'autre sens jusqu'à ce que les deux évidements 19 des plats longs 9 de la lisse viennent simultanément s'engager sur chacun des échelons 21 en vis-à-vis des deux plans d'échelle 15. A ce moment, il ne reste plus qu'à fixer les tiges articulées 23 chacune au montant correspondant proche 13 de chacun des deux plans d'échelle 15 en serrant son crochet d'extrémité 25 rigidement au montant 13.The figure 2 shows the mounting of a scaffold 27 from the ground. Two vertical scale planes 15 are erected vertically on a lower base 29. They are connected by a diagonal bar 31 on each of their side. The operator 33 must first elevate a set of smooth and under smooth 1 by means of the articulated rods 23 by taking them by their end and bringing them up arms to the top of the two scale planes 15. L the assembly being raised to the upper level of the scale planes 15, the operator engages the smooth and sub-smooth end plates 9, 11; 9 ', 11' on one side of the assembly relative to an amount 13 of the scale plane 15. It then translates the assembly 1 outwards, the plates 9, 11 respectively; 9 ', 11' sliding on the upright 13, then it passes the other end of the assembly 1 in front of the amount 13 of the opposite scale plan 15; it then engages the dishes of this end 9, 11; 9 ', 11' on the amount 13 then translate the assembly 1 in the other direction until the two recesses 19 of the long plates 9 of the bar simultaneously engage each of the steps 21 vis-à-vis the two planes of Scale 15. At this moment, it remains only to fix the articulated rods 23 each corresponding to the corresponding amount 13 of each of the two scale planes 15 by clamping its end hook 25 rigidly to the amount 13.

L'ensemble de lisse et sous lisse 1 est alors fixé au montant, maintenu rigidement par la triangulation des tiges articulées 23 en prise avec les montants 13.The assembly of smooth and under smooth 1 is then fixed to the amount, held rigidly by the triangulation of the articulated rods 23 engaged with the uprights 13.

Le second ensemble 1 de lisse et sous lisse (figure 3) est monté de la même manière sur les autres montants 13 de l'échafaudage. Il en résulte que les plans d'échelle 15 étant également reliés rigidement l'un à l'autre par la triangulation serrée des tiges articulées 23, les barres diagonales 31 de liaison des plans d'échelle peuvent être enlevées.The second set 1 of smooth and under smooth ( figure 3 ) is mounted in the same way on the other uprights 13 of the scaffolding. As a result, since the scale planes 15 are also rigidly connected to each other by the tight triangulation of the articulated rods 23, the diagonal bars 31 of the scale planes can be removed.

Le plateau d'échafaudage (non représenté) peut alors être monté puis un nouvel étage d'échafaudage peut être monté, de la même manière que précité à partir du plateau d'échafaudage de l'étage en place.The scaffold plate (not shown) can then be mounted and then a new scaffolding stage can be mounted, in the same manner as above from the scaffolding plate of the stage in place.

Naturellement, le démontage de l'échafaudage est effectué de façon inverse du montage.Naturally, the dismantling of the scaffolding is carried out in the opposite way to the assembly.

Des variantes de réalisation peuvent être imaginées dans le cadre de l'invention. Ainsi, les deux barres de liaison 7 peuvent être remplacées par une seule médiane. Les crochets 25 peuvent en outre être d'un autre type qu'à mâchoire ou pince de serrage, ils pourraient être à crochet et tendeur de serrage, par exemple à vis pour serrer fermement la liaison de triangulation et éviter tout jeu dans celle-ci.Alternative embodiments may be devised within the scope of the invention. Thus, the two connecting bars 7 can be replaced by a single median. The hooks 25 may also be of a type other than jaw or collet, they could be hook and tightener tightening, for example screw to firmly tighten the triangulation link and prevent play in it .

De plus, comme représenté à la figure 4, les deux plats d'extrémité 9, 11, 9', 11' de chacune des lisses 3 et sous lisses 5 peuvent être remplacés par un seul plat intérieur 35 pourvu d'une encoche 37 complémentaire à faible jeu de la section d'extrémité rétrécie verticalement, ovalisée ou avec un relief ou une butée latérale de retenue de l'échelon 21, lequel est raccordé intérieurement au montant 13 de plan d'échelle. Cette section rétrécie, ovalisée verticalement 39 de l'échelon 21 dans le cas de l'exemple de réalisation est de largeur moindre que celle circulaire, carrée, rectangulaire ou autre du corps de l'échelon 21. Elle reçoit l'encoche 37 du plat 35, laquelle est verrouillée transversalement sur l'échelon 21. La lisse 3 ou la sous lisse 5 ainsi positionnée sur l'échelon contre la face intérieure du montant 13 ne peut glisser transversalement et demeure maintenue rigidement en position.In addition, as shown in figure 4 , the two end plates 9, 11, 9 ', 11' of each of the smooth 3 and smooth 5 can be replaced by a single inner plate 35 provided with a notch 37 complementary low clearance of the end section narrowed vertically, ovalized or with a relief or lateral retaining stop of the step 21, which is internally connected to the amount of scale plane 13. This narrowed, vertically ovalized section 39 of the echelon 21 in the case of the embodiment is of less width than the circular, square, rectangular or other of the body of the echelon 21. It receives the notch 37 of the dish 35 which is locked transversely on the step 21. The smooth 3 or the sub-smooth 5 and positioned on the rung against the inner face of the upright 13 can not slide transversely and remains rigidly held in position.

Le plat 35 peut en outre être conformé (figure 5) selon une forme courbe et raccourcie de crochet 41 entourant la face intérieure du montant 13, ce qui empêche de se tromper dans le sens de montage de l'ensemble de lisse et sous lisse 1 sur les montants 13 de plan d'échelle et permet une mise en ligne de l'ensemble de lisse et sous lisse 1 avec les montants 13.The plate 35 may further be shaped ( figure 5 ) in a curved and shortened form of hook 41 surrounding the inner face of the upright 13, which prevents misleading in the assembly direction of the assembly of smooth and under smooth 1 on the uprights 13 of scale plan and allows a setting of the line of smooth and under smooth 1 with the amounts 13.

En outre, le montage est simplifié car il ne nécessite plus de passer les deux plats d'extrémité des lisse 3 et sous lisse 5 de l'exemple de réalisation précédent (figure 3) dans chaque montant 13. Il suffit d'introduire l'ensemble de lisse et sous lisse 1 à l'intérieur des deux plans d'échelle 15 dressés en le tournant légèrement, de descendre les crochets d'extrémité 41 des lisses et sous lisses simultanément sur les sections ovalisées d'extrémité 39 des quatre échelons 21 à engager et de les mettre en prise sur celles-ci. On peut alors fixer les tiges articulées 23 chacune à un montant 13 de plan d'échelle pour terminer le montage.In addition, the assembly is simplified because it no longer requires to pass the two end plates of the smooth 3 and under smooth 5 of the previous embodiment ( figure 3 ) in each amount 13. It is sufficient to introduce the assembly of smooth and under smooth 1 inside the two scale planes 15 erected by turning slightly, to go down the end hooks 41 smooth and under smooth simultaneously on the oval end sections 39 of the four rungs 21 to engage and engage them thereon. It is then possible to attach the articulated rods 23 each to a ladder plane upright 13 to complete the assembly.

Claims (12)

  1. Assembly (1) of upper and lower guardrails designed to be mounted on ladder frames (15) of scaffolding (27), comprising a guardrail (3) and a lower guardrail (5) which are of the same length and are rigidly connected to one another in alignment with one another by at least one bar (7), the guardrail (3) and the lower guardrail (5) forming two parallel branches of a rectangular parallelogram and being able to engage, with their ends, on the erected vertical ladder frames (15) of the scaffolding, characterized in that the lower guardrail (5) further comprises two outer rods (23) articulated in the plane of the parallelogram and each provided with a hook (25) at its end, these each being able to be attached, by their hooks (25), to each one of the two ladder frames (15) with a view to securing the connection of the upper and lower guardrail assembly relative to the ladder frames (15).
  2. Assembly (1) of upper and lower guardrails according to Claim 1, characterized in that it comprises two bars (7) that rigidly connects the guardrail (3) and the lower guardrail (5), and are arranged perpendicular thereto and equidistant from their opposite ends.
  3. Assembly (1) of upper and lower guardrails according to Claim 1 or 2, characterized in that the articulated rods (23) are long enough to permit installation, at height and at arms' length, of the guardrail and lower guardrail assembly (1) on the erected ladder frames (15) of the scaffolding level to be installed by an operative (33), whether on the ground or on the deck of the lower level of the scaffolding.
  4. Assembly (1) of upper and lower guardrails according to any one of the preceding claims, characterized in that the upper guardrail (3) and lower guardrail (5) are provided, at each of their ends and in continuation thereof, with a set of two plates (9, 11; 9', 11') designed to be positioned tightly on either side of an upright (13) of a ladder frame (15), one (9) of the plates (9, 9') designed to be on the inside, longer than the outer plate (11, 11'), being provided with a lower recess (19) that is able to have a rung (21) of a ladder frame (15) engaged therein, during installation, in order to secure it to the ladder frame (15) by connecting the articulated rod (23) to an upright thereof.
  5. Assembly (1) of upper and lower guardrails according to Claim 4, characterized in that the long plate (9) of the guardrail designed to be inside the upright (13) of the ladder frame is shaped with a lower cutout (17) which is provided with an essentially triangular lower recess (19) designed to receive a rung (21) of a vertically erected ladder frame (15) of the scaffolding, while the other, shorter plate (11) grips the upright (13).
  6. Assembly (1) of upper and lower guardrails according to any one of the preceding claims, characterized in that the hooks (25) of the articulated rods (23) are of the type to grip the upright (13).
  7. Assembly (1) of upper and lower guardrails according to Claim 6, characterized in that the hooks (25) are articulated to the rods (23).
  8. Method, for scaffolding (27), for installing the assembly (1) of upper and lower guardrails according to any one of Claims 1 to 7, characterized in that it comprises the following steps:
    - erecting, from the ground or from an assembled scaffolding level, two ladder frames (15) that are to be connected vertically to one another by diagonal stays (31),
    - raising, from the ground or from the deck of a lower level, an upper and lower guardrail assembly (1) by means of its articulated rods (23) deployed by an operative (33), up to the upper level of the two erected ladder frames (15),
    - engaging the assembly (1), by means of its end (9, 11; 9', 11'), relative to an upright (13) of a ladder frame (15), the plates (9, 11; 9', 11') of the upper guardrail (3) and the lower guardrail (5) being positioned on either side of the upright (13), and far enough to make the other end (9, 11; 9', 11') of the assembly (1) pass in front of the upright (13) of the opposite ladder frame, then bringing the assembly (1) back in order to engage it on the upright of the opposite ladder frame and to position the recesses (19) of the long plates (9) on the rungs (21), facing the two ladder frames (15), and
    - fixing the articulated rods (23), by means of their end hook (25), to each one of the uprights (13) facing the opposite ladder frames (15).
  9. Method for removing, in scaffolding, the assembly (1) of upper and lower guardrails installed according to Claim 8, characterized in that it is carried out in the reverse order of the installation method.
  10. Assembly (1) of upper and lower guardrails according to one of Claims 1 to 3, characterized in that the upper guardrail (3) and lower guardrail (5) are provided, at each of their ends and in continuation thereof, with a single inner plate (35) provided with a notch (37) which fits tightly with the vertically reduced, ovalized end section (39), or with a relief or a lateral retention stop, of the rung (21), which is connected internally to the upright (13) of the ladder frame.
  11. Assembly (1) of upper and lower guardrails according to Claim 10, characterized in that said plate is shaped with a curved and shortened hook shape (41) surrounding the inner face of the upright (13).
  12. Scaffolding (27) obtained by implementing the method according to Claim 8.
EP09173020.0A 2008-10-21 2009-10-14 Safety guard rails for scaffolding, installation method and scaffolding obtained Active EP2180117B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0805828A FR2937359B1 (en) 2008-10-21 2008-10-21 SOLIDARY SCALE AND SUBLIND ASSEMBLY FOR SCAFFOLDING, METHOD OF MOUNTING AND SCAFFOLDING OBTAINED

Publications (3)

Publication Number Publication Date
EP2180117A2 EP2180117A2 (en) 2010-04-28
EP2180117A3 EP2180117A3 (en) 2013-11-13
EP2180117B1 true EP2180117B1 (en) 2017-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09173020.0A Active EP2180117B1 (en) 2008-10-21 2009-10-14 Safety guard rails for scaffolding, installation method and scaffolding obtained

Country Status (5)

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EP (1) EP2180117B1 (en)
DK (1) DK2180117T3 (en)
ES (1) ES2635112T3 (en)
FR (1) FR2937359B1 (en)
PT (1) PT2180117T (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3748107A1 (en) 2019-06-04 2020-12-09 Manfred Rolle Mounting adapter, safety rail, kit for a scaffold, scaffold and method therefor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0919206D0 (en) * 2009-11-03 2009-12-16 Youngman Group Ltd Side frame advanced guard rail (AGR) cam lever lock
FR2981967B1 (en) * 2011-10-31 2013-12-20 Tubesca FIXING INSTRUMENT WITH AN EXTENDED ELEMENT FOR A SCAFFOLDING DEVICE
DE202020106155U1 (en) 2020-10-28 2022-02-01 Krause Werk Gmbh & Co Kg Scaffolding and railings for a scaffolding

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2195906A (en) * 1939-06-08 1940-04-02 Safway Steel Scaffolds Co Of W Scaffold
FR87340E (en) * 1965-02-22 1966-07-22 Scaffolding improvements
FR2451431A1 (en) * 1979-03-16 1980-10-10 Martinez Clement Bracing frame forming protection barrier for scaffold - has inherent fixings for use of frames in pairs
FR2732706B1 (en) * 1995-04-10 1997-05-09 Comabi Const Mat Batiment SCAFFOLDING GUARDRAILS
US20050061582A1 (en) * 2004-12-10 2005-03-24 Karanouh Rached Movable and repositionable safety guard rails for scaffolding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3748107A1 (en) 2019-06-04 2020-12-09 Manfred Rolle Mounting adapter, safety rail, kit for a scaffold, scaffold and method therefor
DE102019114913A1 (en) * 2019-06-04 2020-12-10 Manfred Rolle Mounting adapters, safety railings, kit for a scaffolding and scaffolding and methods therefor

Also Published As

Publication number Publication date
EP2180117A2 (en) 2010-04-28
DK2180117T3 (en) 2017-08-28
ES2635112T3 (en) 2017-10-02
PT2180117T (en) 2017-08-10
EP2180117A3 (en) 2013-11-13
FR2937359B1 (en) 2010-12-10
FR2937359A1 (en) 2010-04-23

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