EP2085537A1 - Method of securely installing and removing a rolling scaffold, secure guardrails used and scaffold obtained - Google Patents

Method of securely installing and removing a rolling scaffold, secure guardrails used and scaffold obtained Download PDF

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Publication number
EP2085537A1
EP2085537A1 EP09151005A EP09151005A EP2085537A1 EP 2085537 A1 EP2085537 A1 EP 2085537A1 EP 09151005 A EP09151005 A EP 09151005A EP 09151005 A EP09151005 A EP 09151005A EP 2085537 A1 EP2085537 A1 EP 2085537A1
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EP
European Patent Office
Prior art keywords
ladder
hook
rails
mounting
hooks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09151005A
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German (de)
French (fr)
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EP2085537B1 (en
Inventor
Eric Sta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tubesca Comabi SAS
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TUBESCA
Tubesca SA France
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Publication of EP2085537A1 publication Critical patent/EP2085537A1/en
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Publication of EP2085537B1 publication Critical patent/EP2085537B1/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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E04G1/154—Non-detachably fixed and secured connections between platform and scaffold
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/28—Scaffolds primarily resting on the ground designed to provide support only at a low height
    • E04G1/30—Ladder scaffolds
    • 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
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E04G2001/155—Platforms with an access hatch for getting through from one level to another

Definitions

  • the present invention relates to a method of mounting and dismounting in safety of a rolling scaffold, the safety mounting rails used and the scaffolding obtained.
  • each of the rails may be provided with a ramp allowing the sliding of the rail on the catch level or be of an oblong profile allowing the travel of the catch level in the hook in to allow the passage of the end hook of the bar at the level of engagement of the other ladder element.
  • the scaffolding erection operator is no longer on the upper platform of the ladder elements, being erected, without a lateral protective barrier element at an appropriate height and that it is thus in a standard safety arrangement thanks to the lower and upper rails for mounting the scaffolding.
  • the process is, moreover, simple, fast and economical.
  • the diagonal rods (at least one out of two) can be mounted after the two ladder elements are erected.
  • the invention also relates to the dismantling of the scaffolding, which is performed in the opposite manner to the aforementioned mounting method.
  • the invention also relates to smooth (smooth and under-smooth) used in the method of mounting a aforementioned rolling scaffold and the scaffold obtained comprising at least one or two smooth as defined above.
  • Each of these rails may comprise, at each of its ends, a hook and an articulated latch intended to engage in engagement with a scale element rung.
  • the lock may be self-engaging, triggered and reset by the operating hook of the boom or diagonal operating rod.
  • the front hook may be a hook with slip ramp or oblong profile capable of allowing said travel on the setting step.
  • the exemplary embodiment shown shows a rolling scaffolding 1 in progress.
  • This scaffolding 1 comprises vertically standing ladder elements 3, between which scaffold plates 5 are fixed horizontally ( Fig. 5 ), generally arranged at a regular height relative to each other.
  • the mounting of the scaffolding 1 is performed in an identical manner level by level, the first level being achieved naturally from the ground.
  • the assembly is to be carried out at a level n + 1, the level n being made and comprising two vertically fixed scale elements 3 connected transversely by diagonal rods. 7 side (arranged diagonally), one on each side and a scaffold plate 5 fixed horizontally on the scale elements 3, substantially in their middle part.
  • the scaffold plates 5 are of the oblong hook type 9 at one of their end portion (see French patent application published under No. 2,854,915) allowing mounting by a single a person raising the plate 5 and hooking it to a suitable height by means of its oblong hooks 9, in a first step, at a level 11 of a ladder element 3, then raising the plate 5 by its other end so as to pick it by movement of the oblong hooks 9 on its lockable hooks 13 of the opposite end portion, horizontally, on a rung 11 of the other ladder element 3.
  • the first stage of assembly at level n + 1 is to draw up two scale elements 3 ( Fig. 1 ), one on each lower corresponding ladder element (by fitting) and to equip side protectors 15, upper and lower, which are identical to each other.
  • These rails 15 are crooked horizontally on the scale elements 3 ( Fig. 3 ). They each comprise a front hook 17 positioned first ( Fig. 2 ) on a rung 11 of the ladder element, at a suitable height by inclining the rung 15 at its end to the rung, and a rear hook 19 engaged secondly on the corresponding rung 11 of the other scale element ( Fig. 3 ), the arm is raised horizontally by a pole 21 or a diagonal rod with operating fork.
  • These hooks 17, 19 are each provided with a latch 17a, 19a respectively hinged to the hook (self-triggering for example by gravity or return spring) and adapted to come into engagement with the closure on the step 11 to prevent slippage side of the smooth on the latter.
  • the two ladder elements 3 are then connected to the rails in horizontal position. It is now necessary to fix the two diagonal rods 7 by their ends to the structure of the scaffolding 1, crossing them diagonally on each side of the ladder elements 3. The ladder elements 3 are then held vertically and the rigidity of the assembly is consolidated by the upper link of the rails 15. It should be noted that the mounting of the diagonal rods can also be performed previously just after the assembly of the scale elements as mentioned above.
  • a new scaffolding platform 5 ( Fig. 4 ) presenting its front part provided with elongated hooks 9 at a level 11 of one of the ladder elements 3, at a suitable distance relative to the upper and lower rails (one meter of the upper rails, for example according to the standard) and by hooking these hooks 9 on the selected step 11 by their lower opening 9a. It remains only to raise the other end of the plate 5 on a corresponding step 11 of the other ladder element 3 and, by performing a translation of the plate 5 made possible on said oblong hooks 9, to pass the end of the plate 5 above said rung 11 and engage its end hooks 13 in lock on the rung 11 by simple vertical application.
  • the plate 5 is now fixed horizontally on the ladder elements 3 at a distance of one meter from the upper rails and half a meter from the lower rails, parallel to these ( Fig. 5 ).
  • the scaffolding mounting operator can then access the scaffolding platform 5 by climbing the ladder element 3 close to the hatch 5a of the scaffolding plate 5a, and access the plate 5 by opening the hatch 5a.
  • the level n + 1 of the scaffolding is now mounted ( Fig. 6 ).
  • the dismantling of the scaffolding is done in a manner opposite to the assembly.
  • the front hook 17 'of the rail 15' may have an oblong profile with a lower opening 17'a passage of the rung and a hinged latch 17'b of the echelon 11 (in broken line), allowing the movement of the beam 15 'on the engagement step 11 for the passage of its end hook opposite the engagement level of the other ladder element for attachment to the latter.
  • two smooth 15 "of the same level can be connected to one another at their ends by two spacer rods 23 forming a flat frame assembly for mounting the two rails simultaneously by a maneuver similar to that of a single rail by means of a suitable diagonal rod or pole.
  • the ramps of the front hooks can be kept.
  • a single lock is useful on one of the rear hooks.
  • a diagonal rod can be used to mount the rails to the ladder elements.
  • This diagonal rod may for example be of the type described by the patent FR 2,799,783 and whose clip is cut to include only one jaw, thus providing an axis which can be used for the suspension of the rails for mounting on the scale elements, by corresponding holes on the hooks and locks smooth.
  • the invention thus provides a simple, easy and economical method of protecting the assembly and disassembly of a rolling scaffold.

Abstract

The method involves erecting two ladder elements (3) on ground. Upper and lower side rails (15) are mounted horizontally on the ladder elements using a tow bar (21), where each rail has hooks (17, 19) and locks (17a, 19a) at ends. The hooks and locks are gripped on a ladder rung (11) of the ladder. The hooks are locked on the ladder rung using the locks, and diagonal rods (7) of the elements are fixed for being erected. A scaffolding plate is mounted on the elements from ground or from a fixed lower plate at a determined height and below the rails. Independent claims are also included for the following: (1) a rail for implementing a rolling scaffold mounting and dismounting method (2) a method for mounting and dismounting a rolling scaffold.

Description

La présente invention concerne un procédé de montage et démontage en sécurité d'un échafaudage roulant, les lisses de montage de sécurité utilisées et l'échafaudage obtenu.The present invention relates to a method of mounting and dismounting in safety of a rolling scaffold, the safety mounting rails used and the scaffolding obtained.

On sait que sur les échafaudages roulants de type simple, le montage successif des plinthes et des lisses au-dessus d'un plateau, à un niveau de hauteur de l'échafaudage, peut être effectué sans élément de protection latéral depuis ledit plateau, l'opérateur de montage risquant ainsi de chuter depuis la hauteur du plateau. Un tel montage est donc dangereux.It is known that on simple-type rolling scaffolds, the successive assembly of skirting boards and healds over a tray, at a height level of the scaffolding, can be carried out without lateral protection element from said tray, mounting operator may fall from the height of the board. Such an assembly is therefore dangerous.

L'invention vise à remédier à cet inconvénient et propose un procédé de montage en sécurité d'un échafaudage roulant, constitué d'éléments d'échelle dressés verticalement et de plateaux disposés horizontalement entre les files d'éléments d'échelle, caractérisé en ce que, à partir du sol ou de deux éléments d'échelle de l'échafaudage dressés verticalement et reliés transversalement par des tiges diagonales de maintien, portant un plateau d'échafaudage fixé, disposé à une certaine hauteur sur lesdits éléments d'échelle, il comprend les étapes suivantes :

  • dresser deux éléments d'échelle sur le sol ou sur chacun desdits deux éléments d'échelle fixés d'un même étage,
  • monter à l'horizontale et à hauteur adéquate sur lesdits deux éléments d'échelle des lisses supérieures et inférieures latérales (lisses et sous-lisses), à l'aide d'une perche ou d'une tige diagonale pourvue d'un crochet de manoeuvre adéquat, les lisses comportant à chacune de leurs extrémités au moins un crochet et un verrou aptes à venir en prise sur un échelon d'échelle, l'un des crochets d'extrémité étant apte à glisser sur l'échelon de prise au montage en sorte que la lisse positionnée par son crochet sur l'échelon de prise puisse glisser sur l'échelon pour permettre le recul de la lisse et l'engagement de l'autre crochet d'extrémité sur un échelon de prise de l'autre élément d'échelle,
  • le verrouillage desdits crochets chacun sur son échelon de prise, à l'aide dudit verrou, et
  • fixer les tiges diagonales des deux éléments d'échelle venant d'être dressés, solidairement à ceux-ci, pour maintenir les éléments d'échelle rigidement en position,
  • monter depuis le sol ou le plateau inférieur fixé, à une hauteur déterminée et sous les lisses, un plateau d'échafaudage sur les éléments d'échelle venant d'être dressés, en élevant sa partie d'extrémité munie de crochets oblongs de fixation, en engageant ses crochets oblongs d'extrémité sur un échelon d'un élément d'échelle et en élevant l'autre partie d'extrémité du plateau pour engager ses crochets sur un échelon de l'autre élément d'échelle, au moyen du débattement longitudinal des crochets oblongs, et à disposer ainsi le plateau, en position horizontale stable,
  • accéder au plateau venant d'être monté par une trappe du plateau à l'une de ses parties d'extrémité, et
  • monter depuis le plateau accédé les plinthes du plateau, l'opérateur étant protégé latéralement et sur la longueur du plateau par lesdites lisses montées.
The invention aims to remedy this drawback and proposes a method for securely mounting a rolling scaffold, consisting of vertically standing ladder elements and trays arranged horizontally between the rows of ladder elements, characterized in that that, from the ground or from two vertically erected scaffolding ladder elements connected transversely by diagonal holding rods, carrying a fixed scaffolding platform, arranged at a certain height on said ladder elements, includes the following steps:
  • erect two ladder elements on the floor or on each of the two ladder elements attached to the same floor,
  • horizontally and at an appropriate height on said two ladder elements of the upper and lower lateral rails (smooth and under-smooth), with the aid of a pole or a diagonal rod provided with a hook of adequate maneuver, the slats having at each of their ends at least one hook and a lock adapted to engage on a scale step, one of the end hooks being adapted to slide on the setting step assembly so that the rail positioned by its hook on the setting step can slide on the step to allow the retraction of the rail and the engagement of the other end hook on a catch level of the other element scale,
  • locking said hooks each on its catch level, using said lock, and
  • fixing the diagonal rods of the two ladder elements that have just been erected, solidarily with them, to hold the ladder elements rigidly in position,
  • mounting a scaffolding plate from the ground or the lower plate fixed at a given height and under the rails to the ladder elements that have just been erected, raising its end portion provided with oblong fastening hooks, by engaging its end oblong hooks on one rung of a ladder element and raising the other end portion of the turntable to engage its hooks on one rung of the other rung element, by means of travel longitudinally oblong hooks, and thus to arrange the plateau, in a stable horizontal position,
  • access to the tray that has just been mounted by a hatch of the tray at one of its end portions, and
  • mounting from the tray accessed the skirting board, the operator being protected laterally and the length of the tray by said smooth mounted.

Le crochet avant de chacune des lisses (toutes identiques) peut être pourvu d'une rampe permettant le glissement de la lisse sur l'échelon de prise ou être d'un profil oblong permettant le débattement de l'échelon de prise dans le crochet en vue de permettre le passage du crochet d'extrémité de la lisse au niveau de l'échelon de prise de l'autre élément d'échelle.The front hook of each of the rails (all identical) may be provided with a ramp allowing the sliding of the rail on the catch level or be of an oblong profile allowing the travel of the catch level in the hook in to allow the passage of the end hook of the bar at the level of engagement of the other ladder element.

Il résulte de cette disposition que l'opérateur de montage de l'échafaudage ne se trouve plus sur le plateau supérieur des éléments d'échelle, en cours de montage, sans élément barrière de protection latérale à hauteur adéquate et qu'il se trouve ainsi dans une disposition de sécurité normalisée grâce aux lisses inférieures et supérieures pour effectuer le montage de l'échafaudage. Le procédé est, en outre, simple, rapide et économique.As a result of this provision, the scaffolding erection operator is no longer on the upper platform of the ladder elements, being erected, without a lateral protective barrier element at an appropriate height and that it is thus in a standard safety arrangement thanks to the lower and upper rails for mounting the scaffolding. The process is, moreover, simple, fast and economical.

Naturellement, les tiges diagonales (au moins une sur deux) peuvent être montées après que les deux éléments d'échelle soient dressés.Naturally, the diagonal rods (at least one out of two) can be mounted after the two ladder elements are erected.

L'invention concerne aussi le démontage de l'échafaudage, lequel s'effectue de manière inverse au procédé de montage précité.The invention also relates to the dismantling of the scaffolding, which is performed in the opposite manner to the aforementioned mounting method.

L'invention concerne également les lisses (lisses et sous lisses) utilisées dans le procédé de montage d'un échafaudage roulant précité ainsi que l'échafaudage obtenu comportant au moins une ou deux lisses telles que définies précédemment.The invention also relates to smooth (smooth and under-smooth) used in the method of mounting a aforementioned rolling scaffold and the scaffold obtained comprising at least one or two smooth as defined above.

Chacune de ces lisses (identiques l'une à l'autre) peut comporter, à chacune de ses extrémités, un crochet et un verrou articulé destinés à s'engager en prise sur un échelon d'élément d'échelle. Le verrou peut être à prise automatique, déclenché et réarmé par le crochet de manoeuvre de la perche ou de la tige diagonale de manoeuvre.Each of these rails (identical to each other) may comprise, at each of its ends, a hook and an articulated latch intended to engage in engagement with a scale element rung. The lock may be self-engaging, triggered and reset by the operating hook of the boom or diagonal operating rod.

Le crochet avant peut être un crochet à rampe de glissement ou à profil oblong apte à permettre ledit débattement sur l'échelon de prise.The front hook may be a hook with slip ramp or oblong profile capable of allowing said travel on the setting step.

L'invention est illustrée plus en détail 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 élévation d'un échafaudage comportant deux éléments d'échelle fixés à un certain niveau de hauteur de l'échafaudage et une lisse prête à être montée,
  • la figure 2 montre le montage d'une lisse supérieure sur lesdits éléments d'échelle fixés de la figure 1,
  • la figure 3 montre l'accrochage sur les éléments d'échelle des lisses supérieures, les lisses inférieures étant montées ensuite,
  • la figure 4 montre le montage d'un plateau d'échafaudage sur les deux éléments d'échelle,
  • la figure 5 montre le plateau monté avec les lisses,
  • la figure 6 montre le niveau d'échafaudage correspondant complètement monté, avec ses lisses de protection latérales et les plinthes du plateau,
  • la figure 7 montre un crochet d'extrémité d'une lisse selon une variante de réalisation, à profil oblong, et
  • la figure 8 montre une variante de réalisation où deux lisses de même niveau sont réunies par des entretoises à forme de cadre.
The invention is illustrated in more detail below with the aid of an exemplary embodiment and with reference to the appended drawings, in which:
  • the figure 1 is an elevational view of a scaffolding having two ladder elements attached at a certain height level of the scaffold and a smoothing bar ready for mounting,
  • the figure 2 shows the mounting of a top rail on said fixed ladder elements of the figure 1 ,
  • the figure 3 shows the attachment on the scale elements of the upper rails, the lower rails being mounted next,
  • the figure 4 shows the mounting of a scaffolding platform on both scale elements,
  • the figure 5 shows the board mounted with the rails,
  • the figure 6 shows the corresponding level of scaffolding completely assembled, with its lateral protection rails and skirting boards,
  • the figure 7 shows an end hook of a rail according to a variant embodiment, with an oblong profile, and
  • the figure 8 shows an alternative embodiment where two smooth of the same level are joined by frame-shaped spacers.

Avec référence aux figures et en particulier à la figure 1, l'exemple de réalisation représenté montre un échafaudage roulant 1 en cours d'exécution. Cet échafaudage 1 comporte des éléments d'échelle 3 dressés verticalement et entre lesquels sont fixés horizontalement des plateaux d'échafaudage 5 (fig. 5), disposés généralement à une hauteur régulière l'un par rapport à l'autre. Le montage de l'échafaudage 1 s'effectue de manière identique niveau par niveau, le premier niveau étant réalisé naturellement à partir du sol.With reference to the figures and in particular to the figure 1 , the exemplary embodiment shown shows a rolling scaffolding 1 in progress. This scaffolding 1 comprises vertically standing ladder elements 3, between which scaffold plates 5 are fixed horizontally ( Fig. 5 ), generally arranged at a regular height relative to each other. The mounting of the scaffolding 1 is performed in an identical manner level by level, the first level being achieved naturally from the ground.

Supposons que le montage est à effectuer à un niveau n+1, le niveau n étant réalisé et comportant deux éléments d'échelle 3 fixés verticalement reliés transversalement par des tiges diagonales latérales 7 (disposées en diagonale), une de chaque côté et un plateau d'échafaudage 5 fixé horizontalement sur les éléments d'échelle 3, sensiblement en leur partie médiane.Suppose that the assembly is to be carried out at a level n + 1, the level n being made and comprising two vertically fixed scale elements 3 connected transversely by diagonal rods. 7 side (arranged diagonally), one on each side and a scaffold plate 5 fixed horizontally on the scale elements 3, substantially in their middle part.

Il est à noter que les plateaux d'échafaudage 5 sont de type à crochets oblongs 9 à l'une de leur partie d'extrémité (cf la demande de brevet française publiée sous le n° 2 854 915) permettant le montage par une seule personne élevant le plateau 5 et le crochetant à hauteur adéquate par ses crochets oblongs 9, dans un premier temps, à un échelon 11 d'un élément d'échelle 3, puis élevant le plateau 5 par son autre extrémité pour le crocheter par débattement des crochets oblongs 9 sur ses crochets verrouillables 13 de la partie d'extrémité opposée, à l'horizontale, sur un échelon 11 de l'autre élément d'échelle 3.It should be noted that the scaffold plates 5 are of the oblong hook type 9 at one of their end portion (see French patent application published under No. 2,854,915) allowing mounting by a single a person raising the plate 5 and hooking it to a suitable height by means of its oblong hooks 9, in a first step, at a level 11 of a ladder element 3, then raising the plate 5 by its other end so as to pick it by movement of the oblong hooks 9 on its lockable hooks 13 of the opposite end portion, horizontally, on a rung 11 of the other ladder element 3.

La première étape de montage de niveau n+1 consiste à dresser deux éléments d'échelle 3 (fig. 1), un sur chaque élément d'échelle correspondant inférieur (par emmanchement) et à les équiper de lisses de protection latérales 15, supérieures et inférieures, lesquelles sont identiques l'une à l'autre. Ces lisses 15 sont crochetées horizontalement sur les éléments d'échelle 3 (fig. 3). Elles comportent chacune un crochet avant 17 positionné en premier (fig. 2) sur un échelon 11 de l'élément d'échelle, à hauteur adéquate en inclinant la lisse 15 par son extrémité jusqu'à l'échelon, et un crochet arrière 19 engagé en second lieu sur l'échelon correspondant 11 de l'autre élément d'échelle (fig. 3), la lisse étant élevée à l'horizontale par une perche 21 ou une tige diagonale à fourche de manoeuvre. Ces crochets 17, 19 sont pourvus chacun d'un verrou 17a, 19a respectivement articulé au crochet (à déclenchement automatique par exemple par gravité ou ressort de rappel) et apte à venir en prise à la fermeture sur l'échelon 11 pour empêcher le glissement latéral de la lisse sur ce dernier.The first stage of assembly at level n + 1 is to draw up two scale elements 3 ( Fig. 1 ), one on each lower corresponding ladder element (by fitting) and to equip side protectors 15, upper and lower, which are identical to each other. These rails 15 are crooked horizontally on the scale elements 3 ( Fig. 3 ). They each comprise a front hook 17 positioned first ( Fig. 2 ) on a rung 11 of the ladder element, at a suitable height by inclining the rung 15 at its end to the rung, and a rear hook 19 engaged secondly on the corresponding rung 11 of the other scale element ( Fig. 3 ), the arm is raised horizontally by a pole 21 or a diagonal rod with operating fork. These hooks 17, 19 are each provided with a latch 17a, 19a respectively hinged to the hook (self-triggering for example by gravity or return spring) and adapted to come into engagement with the closure on the step 11 to prevent slippage side of the smooth on the latter.

Il s'agit donc d'accrocher les deux lisses supérieures 15 puis inférieures 15 l'une après l'autre aux éléments d'échelle 3 à leur échelon de prise 11, cette opération s'effectuant par exemple sur le plateau d'échafaudage 5 de niveau n. Pour cela, on engage tout d'abord le crochet avant 17 de la lisse (celui engagé en premier) à l'échelon de prise 11, en le levant au niveau de l'échelon, puis on lève le crochet arrière 19 (opposé) à l'aide de la perche 21, puis lorsque ce crochet arrive au niveau de son échelon de prise, on fait glisser la lisse par son crochet avant 17 (fig. 2) sur la rampe 17b de ce dernier, vers l'avant tout d'abord pour passer le crochet arrière 19 au-dessus de l'échelon (fig. 3), puis vers l'arrière pour l'engager dans l'échelon. Lorsque cet engagement de crochet est effectué, il ne reste plus qu'à tourner les verrous 17a, 19a à l'aide de la perche 21 pour verrouiller la prise de crochet 17, 19 à l'échelon 11.It is therefore a question of hooking the two upper and lower rails 15 one after the other to the ladder elements 3 at their engagement level 11, this operation taking place for example on the scaffold plate 5 level n. To do this, first engages the front hook 17 of the arm (the one engaged first) at the engagement level 11, raising it at the level of the rung, then we raise the rear hook 19 (opposite) with the help of the pole 21, and when this hook reaches its catch level, the beam is slid by its front hook 17 ( Fig. 2 ) on the ramp 17b of the latter, foremost first to pass the rear hook 19 above the rung ( Fig. 3 ), then backwards to engage him in the rung. When this hook engagement is performed, it remains only to turn the latches 17a, 19a with the pole 21 to lock the catch hook 17, 19 to 11.

Les lisses supérieures et inférieures 15 étant montées, les deux éléments d'échelle 3 sont alors reliés aux lisses en position horizontale. Il faut maintenant fixer les deux tiges diagonales 7 par leurs extrémités à la structure de l'échafaudage 1, en les croisant en diagonale de chaque côté des éléments d'échelle 3. Les éléments d'échelle 3 sont alors maintenus verticalement et la rigidité de l'assemblage est consolidée par la liaison supérieure des lisses 15. Il est à noter que le montage des tiges diagonales peut aussi être effectué antérieurement juste après le montage des éléments d'échelle comme mentionné précédemment.The upper and lower rails 15 being mounted, the two ladder elements 3 are then connected to the rails in horizontal position. It is now necessary to fix the two diagonal rods 7 by their ends to the structure of the scaffolding 1, crossing them diagonally on each side of the ladder elements 3. The ladder elements 3 are then held vertically and the rigidity of the assembly is consolidated by the upper link of the rails 15. It should be noted that the mounting of the diagonal rods can also be performed previously just after the assembly of the scale elements as mentioned above.

On peut maintenant élever depuis le plateau 5 du niveau n un nouveau plateau d'échafaudage 5 (fig. 4) en présentant sa partie antérieure munie de crochets oblongs 9 au niveau d'un échelon 11 d'un des éléments d'échelle 3, à une distance adéquate par rapport aux lisses 15 supérieures et inférieures (un mètre des lisses supérieures par exemple selon la norme) et en crochetant ces crochets 9 sur l'échelon sélectionné 11 par leur ouverture inférieure 9a. Il ne reste plus qu'à relever l'autre extrémité du plateau 5 sur un échelon 11 correspondant de l'autre élément d'échelle 3 et, en effectuant une translation du plateau 5 rendue possible sur lesdits crochets oblongs 9, de passer l'extrémité du plateau 5 au-dessus dudit échelon 11 et d'engager ses crochets d'extrémité 13 en verrouillage sur l'échelon 11 par simple application verticale. Le plateau 5 est maintenant fixé horizontalement sur les éléments d'échelle 3 à une distance d'un mètre des lisses supérieures et d'un demi mètre des lisses inférieures, parallèlement à celles-ci (fig. 5).We can now raise from plateau 5 of level n a new scaffolding platform 5 ( Fig. 4 ) presenting its front part provided with elongated hooks 9 at a level 11 of one of the ladder elements 3, at a suitable distance relative to the upper and lower rails (one meter of the upper rails, for example according to the standard) and by hooking these hooks 9 on the selected step 11 by their lower opening 9a. It remains only to raise the other end of the plate 5 on a corresponding step 11 of the other ladder element 3 and, by performing a translation of the plate 5 made possible on said oblong hooks 9, to pass the end of the plate 5 above said rung 11 and engage its end hooks 13 in lock on the rung 11 by simple vertical application. The plate 5 is now fixed horizontally on the ladder elements 3 at a distance of one meter from the upper rails and half a meter from the lower rails, parallel to these ( Fig. 5 ).

L'opérateur de montage de l'échafaudage peut alors accéder au plateau d'échafaudage 5 en escaladant l'élément d'échelle 3 proche de la trappe 5a du plateau d'échafaudage 5a, et accéder au plateau 5 en ouvrant cette trappe 5a.The scaffolding mounting operator can then access the scaffolding platform 5 by climbing the ladder element 3 close to the hatch 5a of the scaffolding plate 5a, and access the plate 5 by opening the hatch 5a.

Il peut maintenant monter les plinthes 5b du plateau 5, étant protégé latéralement par les lisses latérales 15 en place.It can now mount the baseboards 5b of the plate 5, being protected laterally by the lateral rails 15 in place.

Le niveau n+1 de l'échafaudage est maintenant monté (fig. 6).The level n + 1 of the scaffolding is now mounted ( Fig. 6 ).

En outre, le démontage de l'échafaudage s'effectue d'une manière inverse au montage.In addition, the dismantling of the scaffolding is done in a manner opposite to the assembly.

Selon une variante de réalisation représentée à la figure 7, le crochet avant 17' de la lisse 15' peut avoir un profil oblong avec une ouverture inférieure 17'a de passage de l'échelon et un verrou articulé 17'b de prise de l'échelon 11 (en trait interrompu), permettant le débattement de la lisse 15' sur l'échelon de prise 11 pour le passage de son crochet d'extrémité opposé à l'échelon de prise de l'autre élément d'échelle en vue de son accrochage à ce dernier.According to an embodiment variant represented in figure 7 , the front hook 17 'of the rail 15' may have an oblong profile with a lower opening 17'a passage of the rung and a hinged latch 17'b of the echelon 11 (in broken line), allowing the movement of the beam 15 'on the engagement step 11 for the passage of its end hook opposite the engagement level of the other ladder element for attachment to the latter.

Selon une autre variante de réalisation représentée à la figure 8, deux lisses 15" de même niveau (supérieures ou inférieures) peuvent être reliées l'une à l'autre au niveau de leurs extrémités par deux tiges entretoises 23 formant un ensemble cadre plat permettant de monter les deux lisses simultanément par une manoeuvre analogue à celle d'une lisse seule au moyen d'une perche ou d'une tige diagonale adaptée. Les rampes des crochets avant peuvent être conservées. Un seul verrou est utile sur l'un des crochets arrière.According to another variant embodiment shown in figure 8 , two smooth 15 "of the same level (upper or lower) can be connected to one another at their ends by two spacer rods 23 forming a flat frame assembly for mounting the two rails simultaneously by a maneuver similar to that of a single rail by means of a suitable diagonal rod or pole.The ramps of the front hooks can be kept.A single lock is useful on one of the rear hooks.

Il est à noter qu'une tige diagonale peut être utilisée pour le montage des lisses aux éléments d'échelle. Cette tige diagonale peut par exemple être de type décrit par le brevet FR 2 799 783 et dont la pince est découpée pour ne comporter qu'une seule mâchoire, ménageant ainsi un axe qui peut servir à la suspension des lisses pour leur montage sur les éléments d'échelle, par des trous correspondants sur les crochets et verrous des lisses.It should be noted that a diagonal rod can be used to mount the rails to the ladder elements. This diagonal rod may for example be of the type described by the patent FR 2,799,783 and whose clip is cut to include only one jaw, thus providing an axis which can be used for the suspension of the rails for mounting on the scale elements, by corresponding holes on the hooks and locks smooth.

L'invention apporte ainsi un procédé simple, facile et économique de protection du montage et démontage d'un échafaudage roulant.The invention thus provides a simple, easy and economical method of protecting the assembly and disassembly of a rolling scaffold.

Claims (11)

Procédé de montage en sécurité d'un échafaudage roulant (1), constitué d'éléments d'échelle (3) dressés verticalement et de plateaux (5) disposés horizontalement entre les files d'éléments d'échelle (3), caractérisé en ce que, à partir du sol ou de deux éléments d'échelle (3) de l'échafaudage (1) dressés verticalement et reliés transversalement par des tiges diagonales de maintien (7), portant un plateau d'échafaudage (5) fixé, disposé à une certaine hauteur sur lesdits éléments d'échelle (3), il comprend les étapes suivantes : - dresser deux éléments d'échelle (3) sur le sol ou sur chacun desdits deux éléments d'échelle fixés (3) d'un même étage, - monter à l'horizontale et à hauteur adéquate sur lesdits deux éléments d'échelle (3) des lisses supérieures et inférieures latérales (15) (lisses et sous-lisses), à l'aide d'une perche (21) ou d'une tige diagonale pourvue d'un crochet de manoeuvre adéquat, les lisses (15) comportant à chacune de leurs extrémités au moins un crochet (17, 19) et un verrou (17a, 19a) aptes à venir en prise sur un échelon (11) d'échelle, l'un des crochets d'extrémité (17) étant apte à glisser sur l'échelon de prise (11) au montage en sorte que la lisse (15) positionnée par son crochet (17) sur l'échelon de prise (11) puisse glisser sur l'échelon (11) pour permettre le recul de la lisse et l'engagement de l'autre crochet d'extrémité (19) sur un échelon de prise (11) de l'autre élément d'échelle (3), - le verrouillage desdits crochets (17, 19) chacun sur son échelon de prise (11), à l'aide dudit verrou (17a, 19a), et - fixer les tiges diagonales (7) des deux éléments d'échelle (3) venant d'être dressés, solidairement à ceux-ci, pour maintenir les éléments d'échelle (3) rigidement en position, - monter depuis le sol ou le plateau inférieur fixé (5), à une hauteur déterminée et sous les lisses (15), un plateau d'échafaudage (5) sur les éléments d'échelle (3) venant d'être dressés, en élevant sa partie d'extrémité munie de crochets oblongs de fixation (9), en engageant ses crochets oblongs d'extrémité (9) sur un échelon (11) d'un élément d'échelle (3) et en élevant l'autre partie d'extrémité du plateau (5) pour engager ses crochets (13) sur un échelon (11) de l'autre élément d'échelle (3), au moyen du débattement longitudinal des crochets oblongs (9), et à disposer ainsi le plateau (5), en position horizontale stable, - accéder au plateau (5) venant d'être monté par une trappe (5a) du plateau à l'une de ses parties d'extrémité, et - monter depuis le plateau accédé (5) les plinthes (5b) du plateau, l'opérateur étant protégé latéralement et sur la longueur du plateau (5) par lesdites lisses montées (15), Method of securely mounting a rolling scaffold (1), consisting of vertically standing ladder elements (3) and trays (5) arranged horizontally between the ladder element rows (3), characterized in that that from the ground or from two ladder elements (3) of the scaffold (1) vertically erected and connected transversely by diagonal holding rods (7), carrying a fixed scaffold plate (5) arranged at a certain height on said scale elements (3), it comprises the following steps: - erect two ladder elements (3) on the floor or on each of said two fixed ladder elements (3) of the same floor, - mount horizontally and at an appropriate height on said two ladder elements (3) of the upper and lower side rails (15) (smooth and under-smooth), using a pole (21) or a diagonal rod provided with a suitable operating hook, the rails (15) having at each of their ends at least one hook (17, 19) and a latch (17a, 19a) adapted to engage a step ( 11) of scale, one of the end hooks (17) being adapted to slide on the engagement step (11) mounting so that the smooth (15) positioned by its hook (17) on the engaging step (11) can slide on the rung (11) to allow the rail to retract and engage the other end hook (19) on a take-up rung (11) of the other scale (3), - locking said hooks (17, 19) each on its engagement step (11), with said latch (17a, 19a), and - fixing the diagonal rods (7) of the two ladder elements (3) which have just been erected, integrally therewith, to maintain the ladder elements (3) rigidly in position, - mounting from the ground or the lower fixed plate (5), at a given height and under the rails (15), a scaffold plate (5) on the ladder elements (3) which have just been erected, raising its end portion provided with oblong fixing hooks (9), engaging its oblong end hooks (9) on one rung (11) of a ladder element (3) and raising the other end of the plate (5) to engage its hooks (13) on one rung (11) of the other ladder element (3) by means of the longitudinal deflection oblong hooks (9), and thus to arrange the plate (5) in a stable horizontal position, - access to the plate (5) just mounted by a hatch (5a) of the plate at one of its end portions, and - Mount from the accessed plate (5) the skirting (5b) of the tray, the operator being protected laterally and along the length of the plate (5) by said mounted rails (15), Procédé de montage selon la revendication 1, caractérisé en ce que le crochet (17) avant de chacune des lisses (15) est pourvu d'une rampe (17b) permettant le glissement de la lisse (15) sur l'échelon de prise (11).Mounting method according to claim 1, characterized in that the hook (17) before each of the rails (15) is provided with a ramp (17b) for sliding the beam (15) on the setting step ( 11). Procédé de montage selon la revendication 1, caractérisé en ce que le crochet avant (17') de chacune des lisses (15') a un profil oblong, permettant le débattement de la lisse (15') sur l'échelon de prise (11) pour le passage de son extrémité opposée à l'échelon de prise (11) de l'autre élément d'échelle en vue de son accrochage à ce dernier.Mounting method according to claim 1, characterized in that the front hook (17 ') of each of the smooth (15') has an oblong profile, allowing the movement of the arm (15 ') on the setting step (11). ) for the passage of its opposite end to the engagement level (11) of the other ladder element for attachment to the latter. Procédé de montage selon l'une des revendications précédentes, caractérisé en ce que les lisses (15") d'un même niveau sont reliées l'une à l'autre au niveau de leurs extrémités par deux tiges entretoises (23) formant un ensemble cadre plat permettant de monter les deux lisses (15") simultanément, par une manoeuvre analogue à celle d'une lisse seule au moyen d'une perche ou d'une tige diagonale adaptée.Mounting method according to one of the preceding claims, characterized in that the rails (15 ") of the same level are connected to one another at their ends by two spacer rods (23) forming a set flat frame for mounting the two rails (15 ") simultaneously, by a maneuver similar to that of a single rail by means of a pole or a suitable diagonal rod. Procédé de démontage de l'échafaudage (1) selon l'une des revendications 1 à 4, caractérisé en ce qu'il est effectué de manière inverse au procédé défini selon l'une des revendications 1 à 4.Method for dismounting the scaffolding (1) according to one of Claims 1 to 4, characterized in that it is carried out in a reverse manner to the method defined according to one of Claims 1 to 4. Lisse (15) pour la mise en oeuvre du procédé de montage et démontage d'un échafaudage roulant (1) selon l'une des revendications 1 à 4 et 5 respectivement, caractérisée en ce qu'elle comporte, à chacune de ses extrémités, un crochet (17, 19) et un verrou articulé (17a, 19a) destinés à s'engager en prise sur un échelon de prise (11) d'élément d'échelle, le crochet d'extrémité avant (17) étant pourvu d'une rampe (17b) permettant le glissement de la lisse (15) sur l'échelon de prise (11) en sorte que la lisse (15) positionnée par son crochet (17) sur un échelon (11) puisse glisser sur l'échelon (11) pour permettre le recul de la lisse et l'engagement de l'autre crochet d'extrémité (19) sur un échelon (11) de l'autre élément d'échelle (3).Smooth (15) for the implementation of the method of mounting and dismounting a rolling scaffold (1) according to one of claims 1 to 4 and 5 respectively, characterized in that it comprises, at each of its ends, a hook (17, 19) and an articulated latch (17a, 19a) for engagement with a ladder member engagement step (11), the front end hook (17) being provided with a ramp (17b) allowing the sliding (15) to slide on the engagement step (11) so that the beam (15) positioned by its hook (17) on a rung (11) can slide on the step (11) to allow the retraction of the rail and the engagement of the other end hook (19) on a rung (11) of the other ladder element (3). Lisse selon la revendication 6, caractérisée en ce que le crochet (17') avant de la lisse (15') a un profil oblong, permettant le débattement de la lisse (15') sur l'échelon de prise (11) pour le passage de son extrémité opposée à l'échelon de prise (11) de l'autre élément d'échelle (3) en vue de son accrochage à celui-ci.Smooth according to claim 6, characterized in that the hook (17 ') before the beam (15') has an oblong profile, allowing the deflection of the beam (15 ') on the engagement step (11) for the passing from its opposite end to the engagement step (11) of the other ladder member (3) for attachment thereto. Lisse selon la revendication 6, caractérisée en ce que le verrou (17a, 19a) est à prise automatique, déclenché et réarmé par le crochet de manoeuvre de la perche (21) ou de la tige diagonale de manoeuvre.Smooth according to claim 6, characterized in that the latch (17a, 19a) is automatic setting, triggered and reset by the operating hook of the pole (21) or the diagonal operating rod. Ensemble de deux lisses (15") selon la revendication 6, caractérisé en ce que les deux lisses (15") de même niveau sont reliées l'une à l'autre au niveau de leurs extrémités par deux tiges entretoises (23) formant un ensemble cadre plat permettant de monter les deux lisses (15") simultanément par une manoeuvre analogue à celle d'une lisse seule au moyen d'une perche ou d'une tige diagonale adaptée.Set of two smooth (15 ") according to claim 6, characterized in that the two smooth (15") of the same level are connected to each other at their ends by two spacers rods (23) forming a flat frame assembly for mounting the two rails (15 ") simultaneously by a maneuver similar to that of a single rail by means of a pole or a diagonal rod adapted. Echafaudage comprenant au moins une ou deux lisses telles que définies selon l'une quelconque des revendications 6 à 9.Scaffolding comprising at least one or two beams as defined in any one of claims 6 to 9. Procédé de montage ou démontage d'un échafaudage selon l'une des revendications 1 à 4 ou 5 respectivement, caractérisé en ce que ladite tige diagonale comporte une pince découpée pour ne comporter qu'une seule mâchoire, ménageant ainsi un axe qui peut servir à la suspension des lisses pour leur montage sur les éléments d'échelle, par des trous correspondants sur les crochets et verrous des lisses.A method of mounting or dismounting a scaffold according to one of claims 1 to 4 or 5 respectively, characterized in that said diagonal shank comprises a cutter to include only one jaw, thus providing an axis that can be used to the suspension of the rails for their mounting on the ladder elements, by corresponding holes on the hooks and locks of the rails.
EP09151005.7A 2008-01-22 2009-01-21 Method of securely installing and removing a rolling scaffold, secure guardrails used and scaffold obtained Not-in-force EP2085537B1 (en)

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FR0800313A FR2926575B1 (en) 2008-01-22 2008-01-22 METHOD OF ASSEMBLING AND DISASSEMBLING SAFELY OF A ROLLING SCAFFOLDING, SAFETY MOUNTING BRACKETS USED AND SCAFFOLD OBTAINED

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EP2085537B1 EP2085537B1 (en) 2016-03-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2309077B1 (en) * 2009-10-12 2015-12-23 Peri GmbH Holding device
DE102016213773A1 (en) * 2016-07-27 2018-02-01 Peri Gmbh fastener

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913541A1 (en) * 1997-11-03 1999-05-06 SGB Comabi Rolling scaffold
FR2799783A1 (en) 1999-10-18 2001-04-20 Tubesca Sa DEVICE FOR FIXING DIAGONAL BARS ON SCAFFOLDING LADDERS AND SCAFFOLDING OBTAINED
FR2854915A1 (en) 2003-05-16 2004-11-19 Tubesca Scaffolding platform comprises two simple hooks at one end able to hook on rung of two sets of vertical scaffolding extensions and another hook at opposite end able to be locked to rung of other sets of vertical extensions
JP2005068650A (en) * 2003-08-25 2005-03-17 Alinco Inc Safety handrail
FR2885927A1 (en) * 2005-05-20 2006-11-24 Claude Goudron Scaffolding safety assembly for installing hand rail, has bar comprising cross piece and handle, where distance between hook and handle`s rotation axis is equal to distance between upper and lower rails of hand rail

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913541A1 (en) * 1997-11-03 1999-05-06 SGB Comabi Rolling scaffold
FR2799783A1 (en) 1999-10-18 2001-04-20 Tubesca Sa DEVICE FOR FIXING DIAGONAL BARS ON SCAFFOLDING LADDERS AND SCAFFOLDING OBTAINED
FR2854915A1 (en) 2003-05-16 2004-11-19 Tubesca Scaffolding platform comprises two simple hooks at one end able to hook on rung of two sets of vertical scaffolding extensions and another hook at opposite end able to be locked to rung of other sets of vertical extensions
JP2005068650A (en) * 2003-08-25 2005-03-17 Alinco Inc Safety handrail
FR2885927A1 (en) * 2005-05-20 2006-11-24 Claude Goudron Scaffolding safety assembly for installing hand rail, has bar comprising cross piece and handle, where distance between hook and handle`s rotation axis is equal to distance between upper and lower rails of hand rail

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2309077B1 (en) * 2009-10-12 2015-12-23 Peri GmbH Holding device
DE102016213773A1 (en) * 2016-07-27 2018-02-01 Peri Gmbh fastener
US11761218B2 (en) 2016-07-27 2023-09-19 Peri Se Fastening element

Also Published As

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FR2926575B1 (en) 2012-01-06
FR2926575A1 (en) 2009-07-24
EP2085537B1 (en) 2016-03-23
ES2572144T3 (en) 2016-05-30

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