EP1346754A1 - Attaching structure in particular for safety purposes - Google Patents

Attaching structure in particular for safety purposes Download PDF

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Publication number
EP1346754A1
EP1346754A1 EP03370010A EP03370010A EP1346754A1 EP 1346754 A1 EP1346754 A1 EP 1346754A1 EP 03370010 A EP03370010 A EP 03370010A EP 03370010 A EP03370010 A EP 03370010A EP 1346754 A1 EP1346754 A1 EP 1346754A1
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EP
European Patent Office
Prior art keywords
support
structure according
shuttle
securing structure
fingers
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Granted
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EP03370010A
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German (de)
French (fr)
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EP1346754B1 (en
Inventor
André Fournier
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DAFORIB SARL
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DAFORIB SARL
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Publication of EP1346754A1 publication Critical patent/EP1346754A1/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0081—Equipment which can travel along the length of a lifeline, e.g. travelers
    • A62B35/0087—Arrangements for bypassing lifeline supports without lanyard disconnection
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0043—Lifelines, lanyards, and anchors therefore
    • A62B35/0056—Horizontal lifelines
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3276—Arrangements on buildings for connecting safety-lines
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3295—Guide tracks for safety lines

Definitions

  • the invention relates to a stowage structure also known as the name lifeline.
  • anchor points are made up of parts anchored in the building and carrying a ring or by lifelines installed on the terraces of buildings for cleaning or other services.
  • the work area of the anchor points being limited by the length of the cable connecting the harness to the said anchor point, a lifeline is used more frequently.
  • a lifeline consists of two anchor points between which is stretched a cable.
  • a tensioner allows you to adjust the cable tension.
  • Rings carried by intermediate supports sometimes prevent the cable presents an arrow but generally one avoids their use because they do not allow more to move freely along the cable.
  • the operator hooks his carabiner on the lifeline and can therefore move throughout this lifeline.
  • the cable then includes a device for dissipating the force exerted on the cable when stopping the fall, so that the energy transmitted to the cable and acting on the anchor points is no longer instantaneous.
  • This lifeline allows each individual to move over long distances without having to hang up and still be in protection but in theory it It is forbidden to work at a fixed position and must hang on a fixed lashing point.
  • This surveillance requires testing, periodic cable checks and accessories or even before use.
  • the safety rules require that a stress test be carried out periodically especially before use but, when it undergoes a resistance, the cable then sees its capacity of resistance reduced.
  • This structure is placed on a terrace.
  • a worker can hang on a section but cannot move from one section to another.
  • the invention therefore proposes to provide a solution to the problems notably mentioned above.
  • the invention relates to a stowage structure also called a lifeline this structure being characterized in that it consists of a part by assembling sections of rigid tubular profile fitted to each end on a finger presented by the head of a support intended to be anchored on a load-bearing structure so as to form a continuous rail without additional thickness and other apart the head of this support is, in its zone of connection with the support, of thickness lower than the section of the tubular profile in order to allow a free circulation shuttle enclosing the rail.
  • This carabiner then surrounds the stowage structure also called lifeline.
  • This stowage structure is located, for example, on a wall or on a roof of preferably a short distance from the wall or roof surface.
  • a distance of thirty to forty centimeters is still considered to be a short distance.
  • the invention consists firstly by assembling sections 1A rigid tubular profiles fitted at each end on a 5A finger that presents the head 20 of a support intended to be anchored on a load-bearing structure sort of form a continuous rail without extra thickness and on the other hand the head 20 of this support is, in its zone 21 of connection with the support of thickness, less than the section of the tubular profile in order to allow a free shuttle around the rail.
  • the fixing of the ends is done by interlocking the ends and possibly by locking in translation.
  • the tube can thus be cut on site to the desired length depending on the layout of the supports which must take into account the resistance of the structure carrier and therefore areas where potentially these supports can be fixed.
  • the locking in translation is done, for example, by a weld or by a bolt passing through but not increasing the thickness of the rail.
  • the socket 5 will be longer than that necessary and which can be determined according to the elastic bending capacity of the profile between the two support points and load to be supported. It will be of the order of at least 150 mm.
  • Tubular profiles are used, for example made of stainless steel, the end covers a finger 5A carried by a support.
  • the tubular profile has a continuous, unopened exterior surface as would be a profile in Ce.
  • each profile is generally established in dimensions at maximum of two to three meters.
  • the attachment device 2 is constituted by a shuttle 2A which is in the form of a cylinder having along a generating an opening 10 wide enough to pass the heads of the supports carrying the fingers 5A, which fingers 5A are located at the upper end of the head support 3.
  • This shuttle crosses the supports without however detaching itself from the rail.
  • the envelope is not of constant section.
  • the entrance 12 of the shuttle extends over about a semicircle while its central part 11 extends over three quarters of the circle.
  • FIG 18 there is shown a shuttle used when the structure is attached to a ceiling.
  • the shuttle of FIG. 19 is intended for a stowage structure fixed on a vertical wall.
  • the support 3 can be of circular section, it will preferably be of section ovoid so that by thinning the part connecting the fingers to the vertical part this will facilitate, with the shape of the shuttle opening, the orientation of the shuttle to cross the supports.
  • This ovoid shape of the bonding area is determined to distribute the efforts.
  • an open reinforcement ring 13 is provided on which at least one will have been provided an anchor point for a carabiner and, preferably, two anchors.
  • This ring helps strengthen the shuttle and prevents it from opening.
  • the anchor points for hanging the rope connecting the harness and the shuttle can be directly carried by the cylindrical shape.
  • the supports 3 will carry at their ends the fingers 5A oriented in opposite directions.
  • a chamfer 15 allows, for example, to weld the tubes on the fingers without leave extra thickness.
  • brackets 3 bent to be fixed, for example, on vertical walls.
  • this lifeline is that it can be controlled with a period, between each control, much longer because the profile is not subject to corrosion in the same proportions as a cable and this tube does not deform dimensionally.
  • lifelines can be integrated in the architecture of the building and, for example, constitute snow stops and, also, ladder lashing points during maintenance or help. These rigid structures make it possible to ensure different materials, such as scaffolding or other suspended product.
  • the support will include a 20 head support having one or two fingers and a connection area with a base.
  • connection zone comprises at its base means of association with a support adapted to the chosen configuration.
  • Figure 6 shows a solution for flat roofing
  • Figure 7 a solution for the terrace.
  • Figure 8 is for the ridge, Figure 9 to the steel tank, Figure 10 to a acroterion and in figure 11 a pose in frontage.
  • Figure 12 is intended for example to be placed inside premises at level of ceilings, especially industrial halls.
  • the advantage is to have a part 20, the support head 20, the resistance is known or calculated beforehand and which can, via a suitable support 3, be integrated into a construction without in particular harming aesthetics. All the components of this structure will have its resistance well known mechanics which will facilitate the work of architects.

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  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Lowering Means (AREA)
  • Tents Or Canopies (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Hardware Redundancy (AREA)

Abstract

The safety rail (1), fixed to the roof or upper wall of a building, consists of rigid tubular sections (1A) joined end-to-end by fingers projecting from the upper ends of posts (3), giving a continuous rail with no variations in thickness so that a shuttle fastening for a harness line can pass along it. The post fingers are made long enough, e.g. at least 150 mm, to accommodate any flexibility in the tubular sections without separating from them, and the posts are anchored to a supporting structure of the building. The posts' upper ends are made slim enough for a shuttle fastening to pass.

Description

L'invention se rapporte à une structure d'arrimage connue encore sous l'appellation ligne de vie.The invention relates to a stowage structure also known as the name lifeline.

La protection des individus travaillant en hauteur, tels les couvreurs ou autres impose depuis déjà de longues années la mise en place d'équipement de protection permettant lors du déplacement d'un individu de se prémunir des conséquences graves d'une chute en stoppant l'individu notamment à la perte d'équilibre.The protection of individuals working at height, such as roofers or others already imposes the installation of protective equipment for many years allowing during the displacement of an individual to guard against the consequences serious of a fall by stopping the individual in particular to the loss of balance.

Il existe les protections collectives et, à cet effet, on connaít l'usage de filets de protection ou de barrières placées momentanément mais ces éléments de protection ne sont installés que provisoirement.There are collective protections and, for this purpose, we know the use of nets protective or barriers placed temporarily but these elements of protection are installed only temporarily.

Ils ne conviennent pas pour des installations à demeure.They are not suitable for permanent installations.

On connaít également les protections individuelles permettant à des intervenants de s'accrocher au moyen d'un câble et d'un harnais de sécurité mais l'usage en est limité dans le temps.We also know the individual protections allowing stakeholders to hang on with a cable and a safety harness but the use is limited in time.

Ces points d'ancrage sont constitués par des pièces ancrées dans le bâtiment et portant un anneau ou par des lignes de vie installées sur les terrasses des immeubles pour les services de nettoyage ou autres.These anchor points are made up of parts anchored in the building and carrying a ring or by lifelines installed on the terraces of buildings for cleaning or other services.

Pour la protection individuelle des individus, les sociétés ont été inspirées par les techniques de montagne et on a donc proposé d'équiper chaque individu d'un harnais de sécurité et de l'attacher soit à un point d'ancrage soit à une ligne de vie fixée à demeure sur la structure porteuse.For the individual protection of individuals, societies have been inspired by mountain techniques and we therefore proposed to equip each individual with a safety harness and attach it either to an anchor point or to a lifeline permanently fixed to the supporting structure.

La zone de travail des points d'ancrage étant limitée par la longueur du câble reliant l'harnais au dit point d'ancrage, on utilise plus fréquemment une ligne de vie.The work area of the anchor points being limited by the length of the cable connecting the harness to the said anchor point, a lifeline is used more frequently.

Classiquement, une ligne de vie se compose de deux points d'ancrage entre lesquels est tendu un câble.Conventionally, a lifeline consists of two anchor points between which is stretched a cable.

Un tendeur permet d'ajuster la tension du câble.A tensioner allows you to adjust the cable tension.

Des anneaux portés par des supports intermédiaires évitent parfois que le câble présente une flèche mais généralement on évite leur utilisation car ils ne permettent plus de se déplacer librement au long du câble. Rings carried by intermediate supports sometimes prevent the cable presents an arrow but generally one avoids their use because they do not allow more to move freely along the cable.

L'intervenant accroche son mousqueton sur la ligne de vie et peut donc se déplacer tout au long de cette ligne de vie.The operator hooks his carabiner on the lifeline and can therefore move throughout this lifeline.

Lors de la chute accidentelle d'un individu, les forces engendrées lors de l'arrêt brutal de l'individu sont alors transmises aux deux points d'ancrage et s'exercent essentiellement parallèlement au câble.During the accidental fall of an individual, the forces generated during the stop brutal of the individual are then transmitted to the two anchor points and are exercised essentially parallel to the cable.

Ces forces s'ajoutent aux forces nécessaires pour tendre le câble, ce qui entraíne des efforts localisés particulièrement importants au niveau des points d'ancrage et sur la structure du bâtiment.These forces are added to the forces necessary to tension the cable, which causes particularly significant localized efforts at the points anchor and on the building structure.

On comprend bien que, lorsque le câble est tendu entre les deux pignons d'un bâtiment, la présence d'un renfort de la charpente est nécessaire pour éviter que les pignons ne se renversent.It is clear that when the cable is stretched between the two pinions of a building, the presence of a reinforcement of the frame is necessary to avoid that the sprockets do not overturn.

Il en va de même si les points d'arrimage se trouvent sur la charpente.The same applies if the tie-down points are on the frame.

Lors de l'arrêt de la chute, l'énergie produite doit se dissiper dans un temps extrêmement court.When stopping the fall, the energy produced must dissipate over a period of time extremely short.

Pour atténuer ce problème, le câble comporte alors un dispositif dissipateur de l'effort qui s'exerce sur le câble lors de l'arrêt de la chute, de sorte que l'énergie transmise au câble et s'exerçant sur les points d'ancrage ne soit plus instantanée.To alleviate this problem, the cable then includes a device for dissipating the force exerted on the cable when stopping the fall, so that the energy transmitted to the cable and acting on the anchor points is no longer instantaneous.

On constate toutefois que les efforts restent importants.However, we note that efforts remain significant.

Cette ligne de vie permet à chaque individu de se déplacer sur de longues distances sans devoir se décrocher et être toujours en protection mais en théorie il est interdit de travailler à poste fixe et il doit s'accrocher sur un point d'arrimage fixe.This lifeline allows each individual to move over long distances without having to hang up and still be in protection but in theory it It is forbidden to work at a fixed position and must hang on a fixed lashing point.

Lorsque des anneaux sont nécessaires pour éviter le fléchissement du câble, ces anneaux ou mousquetons d'ancrage du harnais sur le câble sont parfois étudiés pour permettre un passage sans devoir se décrocher mais nécessite une manoeuvre particulière par l'individu accroché qui doit être proche de l'anneau pour sa manoeuvre et donc doit quitter sa position de travail.When rings are needed to prevent the cable from bending, these rings or carabiners for anchoring the harness on the cable are sometimes studied to allow passage without having to unhook but requires an operation particular by the hanging individual who must be close to the ring for his maneuver and therefore must leave his working position.

Ces lignes de vie sont donc largement utilisées de nos jours.These lifelines are therefore widely used today.

Hormis ce problème de l'amplitude des forces induites sur les points d'ancrage, il est constamment nécessaire de surveiller cette ligne de vie.Except this problem of the amplitude of the forces induced on the points anchoring, it is constantly necessary to monitor this lifeline.

Cette surveillance exige des essais, des vérifications périodiques des câbles et accessoires voire même avant utilisation. This surveillance requires testing, periodic cable checks and accessories or even before use.

En effet, les règles de sécurité exigent qu'un test de résistance soit pratiqué périodiquement notamment avant l'utilisation mais, lorsqu'il subit un test de résistance, le câble voit alors sa capacité de résistance diminuée.Indeed, the safety rules require that a stress test be carried out periodically especially before use but, when it undergoes a resistance, the cable then sees its capacity of resistance reduced.

On note également qu'il est impossible d'y suspendre une échelle de pompier car l'appui n'est pas stable et également toute protection collective.We also note that it is impossible to hang a fireman's ladder on it because the support is not stable and also any collective protection.

On connaít également une ligne de vie (DE-A-2343233) consistant à utiliser des tubes rigides dont l'extrémité est vissée dans un potelet.We also know a lifeline (DE-A-2343233) consisting in using rigid tubes, the end of which is screwed into a post.

Cette structure est posée sur une terrasse.This structure is placed on a terrace.

Une telle solution n'est pas simple à mettre en oeuvre car les tubes doivent être coupés à la bonne longueur puis filetés ainsi que les potelets.Such a solution is not simple to implement because the tubes must be cut to the right length then threaded as well as the posts.

Un intervenant peut s'accrocher sur un tronçon mais ne peut pas se déplacer d'un tronçon vers un autre.A worker can hang on a section but cannot move from one section to another.

L'invention se propose donc d'apporter une solution aux problèmes notamment évoqués ci-dessus.The invention therefore proposes to provide a solution to the problems notably mentioned above.

A cet effet, l'invention a pour objet une structure d'arrimage encore appelée une ligne de vie cette structure étant caractérisée en ce qu'elle est constituée d'une part par assemblage de tronçons de profilé tubulaire rigide emboítés à chaque extrémité sur un doigt que présente la tête d'un support destiné à être ancré sur une structure porteuse en sorte de former un rail continu sans surépaisseur et d'autre part la tête de ce support est, dans sa zone de liaison avec le support, d'épaisseur inférieure à la section du profilé tubulaire en vue de laisser circuler librement une navette enserrant le rail.To this end, the invention relates to a stowage structure also called a lifeline this structure being characterized in that it consists of a part by assembling sections of rigid tubular profile fitted to each end on a finger presented by the head of a support intended to be anchored on a load-bearing structure so as to form a continuous rail without additional thickness and other apart the head of this support is, in its zone of connection with the support, of thickness lower than the section of the tubular profile in order to allow a free circulation shuttle enclosing the rail.

L'invention sera bien comprise à l'aide de la description ci-après faite à titre d'exemple non limitatif en regard du dessin ci-annexé qui représente schématiquement:

  • figure 1 : une coupe verticale d'une structure d'arrimage,
  • figure 2 : un exemple de structure
  • figure 3 : un support vu de face
  • figure 4 : un support vue de profil,
  • figure 5 : un support vu de dessus,
  • figures 6 à 12 : différents montage d'une tête de support avec un support différent.
  • figure 13 : une navette vue en perspective,
  • figure 14 : une navette vue de dessus,
  • figure 15 : une autre variante d'un support.
  • figures 16 et 17 : deux exemples d'habitations équipées de la structure d'arrimage.
  • figures 18,19 : deux variantes de navette.
The invention will be clearly understood with the aid of the description below given by way of nonlimiting example with regard to the appended drawing which schematically represents:
  • Figure 1: a vertical section of a stowage structure,
  • figure 2: an example of structure
  • figure 3: a support seen from the front
  • FIG. 4: a support seen in profile,
  • FIG. 5: a support seen from above,
  • Figures 6 to 12: different mounting of a support head with a different support.
  • FIG. 13: a shuttle seen in perspective,
  • Figure 14: a shuttle seen from above,
  • Figure 15: another variant of a support.
  • Figures 16 and 17: two examples of dwellings equipped with the stowage structure.
  • Figures 18,19: two variants of the shuttle.

En se reportant au dessin, on voit une ligne 1 de vie ou structure d'arrimage sur laquelle on peut accrocher un dispositif d'accrochage tel un mousqueton.Referring to the drawing, we see a lifeline 1 or stowage structure on which you can hang a hanging device such as a carabiner.

Ce mousqueton vient alors entourer la structure d'arrimage encore appelée ligne de vie.This carabiner then surrounds the stowage structure also called lifeline.

Cette structure d'arrimage se situe, par exemple, sur un mur ou sur un toit de préférence à faible distance de la surface du mur ou du toit.This stowage structure is located, for example, on a wall or on a roof of preferably a short distance from the wall or roof surface.

Elle pourrait être accrochée à un plafond en aérien.It could be hung from an overhead ceiling.

Une distance de trente à quarante centimètres est encore considérée comme une faible distance.A distance of thirty to forty centimeters is still considered to be a short distance.

Selon l'invention, elle est constituée d'une part par assemblage de tronçons 1A de profilés tubulaires rigides emboítés à chaque extrémité sur un doigt 5A que présente la tête 20 d'un support destiné à être ancré sur une structure porteuse en sorte de former un rail continu sans surépaisseur et d'autre part la tête 20 de ce support est, dans sa zone 21 de liaison avec le support d'épaisseur, inférieure à la section du profilé tubulaire en vue de laisser circuler librement une navette enserrant le rail.According to the invention, it consists firstly by assembling sections 1A rigid tubular profiles fitted at each end on a 5A finger that presents the head 20 of a support intended to be anchored on a load-bearing structure sort of form a continuous rail without extra thickness and on the other hand the head 20 of this support is, in its zone 21 of connection with the support of thickness, less than the section of the tubular profile in order to allow a free shuttle around the rail.

En utilisant un profilé rigide 1A entre deux supports 3, lors d'une chute et donc d'une traction qui s'exerce perpendiculairement au profilé, les forces induites aux points de fixation des extrémités du profilé sont à la fois induites selon l'axe du profilé et perpendiculaires à l'axe du profilé, donc l'axe du support qui le soutient.Using a rigid section 1A between two supports 3, during a fall and therefore of a traction which is exerted perpendicular to the profile, the induced forces at the fixing points of the ends of the profile are both induced along the axis of the profile and perpendicular to the axis of the profile, therefore the axis of the support that supports it.

Par ailleurs, ces tronçons assemblés les uns aux autres avec une portée réduite A entre les supports 3 agissent comme les barrières de sécurité sur les autoroutes, c'est à dire répartissent les efforts sur les différents points d'ancrage desdits supports.Furthermore, these sections assembled to each other with a span reduced A between the supports 3 act as safety barriers on the motorways, that is to say, distribute the forces on the various anchor points said supports.

La fixation des extrémités se fait par emboítement des extrémités et éventuellement par verrouillage en translation. The fixing of the ends is done by interlocking the ends and possibly by locking in translation.

Le tube peut ainsi être coupé sur place à la longueur souhaitée en fonction de l'implantation des supports qui doit tenir compte de la résistance de la structure porteuse et donc des zones où potentiellement ces supports peuvent être fixés.The tube can thus be cut on site to the desired length depending on the layout of the supports which must take into account the resistance of the structure carrier and therefore areas where potentially these supports can be fixed.

Le verrouillage en translation se fait, par exemple, par une soudure ou par un boulon traversant mais n'augmentant pas l'épaisseur du rail.The locking in translation is done, for example, by a weld or by a bolt passing through but not increasing the thickness of the rail.

L'emboítement 5 sera plus long que celui nécessaire et qui peut être déterminé en fonction de la capacité de flexion élastique du profilé entre les deux points d'appui et de la charge à supporter. Il sera de l'ordre d'au moins 150 mm.The socket 5 will be longer than that necessary and which can be determined according to the elastic bending capacity of the profile between the two support points and load to be supported. It will be of the order of at least 150 mm.

Il ne sera alors pas nécessaire de verrouiller en translation les tubes sur les doigts.It will then not be necessary to lock the tubes in translation on the fingers.

On utilise des profilés tubulaires par exemple en acier inoxydable dont l'extrémité vient coiffer un doigt 5A porté par un support.Tubular profiles are used, for example made of stainless steel, the end covers a finger 5A carried by a support.

Le profilé tubulaire présente une surface extérieure continue et non ouverte comme le serait un profilé en Cé.The tubular profile has a continuous, unopened exterior surface as would be a profile in Ce.

La longueur de chaque profilé s'établit généralement dans des dimensions au maximum de deux à trois mètres.The length of each profile is generally established in dimensions at maximum of two to three meters.

Avec ce système, on peut toujours utiliser un mousqueton classique mais on préférera une navette.With this system, you can still use a classic carabiner but prefer a shuttle.

Comme indiqué ci-avant, le dispositif 2 d'accrochage est constitué par une navette 2A qui se présente sous la forme d'un cylindre présentant au long d'une génératrice une ouverture 10 suffisamment large pour franchir les têtes des supports portant les doigts 5A, lesquels doigts 5A se situent à l'extrémité supérieure de la tête du support 3.As indicated above, the attachment device 2 is constituted by a shuttle 2A which is in the form of a cylinder having along a generating an opening 10 wide enough to pass the heads of the supports carrying the fingers 5A, which fingers 5A are located at the upper end of the head support 3.

Cette navette franchit les supports sans toutefois se décrocher du rail.This shuttle crosses the supports without however detaching itself from the rail.

Comme on peut le voir, pour faciliter le passage de cette navette, quel que soit l'ancrage de l'individu sur cette navette et sa position, en contrebas ou au dessus, l'ouverture de cette navette est, depuis une zone centrale 11, croissante.As we can see, to facilitate the passage of this shuttle, whatever either the anchoring of the individual on this shuttle and its position, below or at above, the opening of this shuttle is, from a central zone 11, increasing.

L'enveloppe n'est pas à section constante.The envelope is not of constant section.

On voit ainsi que l'entrée 12 de la navette s'étend sur environ un demi-cercle alors que sa partie centrale 11 s'étend sur les trois quarts du cercle. It can thus be seen that the entrance 12 of the shuttle extends over about a semicircle while its central part 11 extends over three quarters of the circle.

Ainsi lorsque la navette prend contact avec le support, elle va s'orienter automatiquement pour franchir le support du fait de l'orientation des bords libres de l'enveloppe de cette navette.So when the shuttle makes contact with the support, it will orient itself automatically to cross the support due to the orientation of the free edges of the envelope of this shuttle.

En figure 18, on a représenté une navette utilisée lorsque la structure d'arrimage est fixée à un plafond.In Figure 18, there is shown a shuttle used when the structure is attached to a ceiling.

La navette de la figure 19 est destinée à une structure d'arrimage fixée sur un mur vertical.The shuttle of FIG. 19 is intended for a stowage structure fixed on a vertical wall.

Si le support 3 peut être de section circulaire, il sera, de préférence, de section ovoïde de sorte qu'en amincissant la partie reliant les doigts à la partie verticale cela facilitera, avec la forme de l'ouverture de la navette, à l'orientation de la navette pour franchir les supports.If the support 3 can be of circular section, it will preferably be of section ovoid so that by thinning the part connecting the fingers to the vertical part this will facilitate, with the shape of the shuttle opening, the orientation of the shuttle to cross the supports.

Cette forme ovoïde de la zone de liaison est déterminée pour répartir les efforts.This ovoid shape of the bonding area is determined to distribute the efforts.

Comme on peut le voir, éventuellement, cerclant la forme cylindrique de la navette, est prévu un anneau 13 ouvert de renfort sur lequel on aura prévu au moins un point d'ancrage pour un mousqueton et, de préférence, deux ancrages.As can be seen, possibly circling the cylindrical shape of the shuttle, an open reinforcement ring 13 is provided on which at least one will have been provided an anchor point for a carabiner and, preferably, two anchors.

Cet anneau contribue à renforcer la navette et évite qu'elle ne s'ouvre.This ring helps strengthen the shuttle and prevents it from opening.

Les points d'ancrage pour l'accrochage du filin reliant le harnais et la navette peuvent être directement portés par la forme cylindrique.The anchor points for hanging the rope connecting the harness and the shuttle can be directly carried by the cylindrical shape.

Etant donné cette ligne de vie tubulaire et la répartition des efforts en cas de chute, il est tout à fait possible de s'ancrer à deux personnes sur cette ligne de vie.Given this tubular lifeline and the distribution of forces in the event of fall, it is quite possible to anchor two people on this lifeline.

L'avantage d'une telle structure c'est qu'elle permet aussi de s'intégrer lors de la construction des immeubles et notamment être construite en même temps que le bâtiment et donc s'intégrer à l'esthétique du bâtiment.The advantage of such a structure is that it also allows integration during the construction of buildings and in particular be constructed at the same time as the building and therefore integrate with the aesthetics of the building.

Les supports 3 porteront à leurs extrémités les doigts 5A orientés dans des directions opposées.The supports 3 will carry at their ends the fingers 5A oriented in opposite directions.

Un chanfrein 15 permet, par exemple, de souder les tubes sur les doigts sans laisser de surépaisseur.A chamfer 15 allows, for example, to weld the tubes on the fingers without leave extra thickness.

Sont également prévus des supports 3 coudés pour être fixés, par exemple, sur des parois verticales. Also provided are brackets 3 bent to be fixed, for example, on vertical walls.

L'avantage de cette ligne de vie, c'est en premier lieu qu'elle peut être contrôlée avec une période, entre chaque contrôle, beaucoup plus importante car le profilé n'est pas sujet à la corrosion dans les mêmes proportions qu'un câble et ce tube ne se déforme pas dimensionnellement.The advantage of this lifeline is that it can be controlled with a period, between each control, much longer because the profile is not subject to corrosion in the same proportions as a cable and this tube does not deform dimensionally.

En second lieu, on comprend bien que les efforts :

  • d'une part, ne sont plus essentiellement des efforts de traction dans le sens de l'axe du profilé et,
  • d'autre part, ne sont pas induits par la tension de l'élément longiligne.
Secondly, we understand that the efforts:
  • on the one hand, are no longer essentially tensile forces in the direction of the axis of the profile and,
  • on the other hand, are not induced by the tension of the elongate element.

Un autre avantage, c'est par exemple que ces lignes de vie peuvent s'intégrer dans l'architecture du bâtiment et, par exemple, constituer des arrêts de neige et, également, des points d'arrimage des échelles lors d'intervention d'entretien ou de secours. Ces structures rigides permettent d'assurer différents matériels, tels les échafaudages ou autre produit suspendu.Another advantage is for example that these lifelines can be integrated in the architecture of the building and, for example, constitute snow stops and, also, ladder lashing points during maintenance or help. These rigid structures make it possible to ensure different materials, such as scaffolding or other suspended product.

Pour répondre aux besoins des architectes le support comprendra une tête 20 de support présentant un ou deux doigts et d'une zone de liaison avec une embase.To meet the needs of architects, the support will include a 20 head support having one or two fingers and a connection area with a base.

Cette zone de liaison comprend à sa base des moyens d'association avec un support adapté à la configuration choisie.This connection zone comprises at its base means of association with a support adapted to the chosen configuration.

On a représenté en figure 6 à 12 différents supports adaptés aux configurations régulièrement rencontrées non limitatifs des possibilités.There are shown in Figure 6 to 12 different supports adapted to configurations regularly encountered without limiting the possibilities.

La figure 6 représente une solution pour la toiture plate, la figure 7 une solution pour la terrasse.Figure 6 shows a solution for flat roofing, Figure 7 a solution for the terrace.

La figure 8 est destinée au faítage, la figure 9 au bac acier, la figure 10 à un acrotère et en figure 11 une pose en façade.Figure 8 is for the ridge, Figure 9 to the steel tank, Figure 10 to a acroterion and in figure 11 a pose in frontage.

La figure 12 est destinée par exemple à être posée à l'intérieur de locaux au niveau des plafonds, halls notamment industriels.Figure 12 is intended for example to be placed inside premises at level of ceilings, especially industrial halls.

L'avantage c'est de disposer d'une pièce 20, la tête 20 de support, dont la résistance est connue ou calculée préalablement et qui peut, par l'intermédiaire d'un support 3 adapté, être intégrée dans une construction sans notamment nuire à l'esthétique. L'ensemble des composants de cette structure aura sa résistance mécanique bien connue ce qui facilitera le travail des architectes.The advantage is to have a part 20, the support head 20, the resistance is known or calculated beforehand and which can, via a suitable support 3, be integrated into a construction without in particular harming aesthetics. All the components of this structure will have its resistance well known mechanics which will facilitate the work of architects.

Claims (10)

Structure d'arrimage destinée à recevoir éventuellement un mousqueton ceignant ladite ligne caractérisée en ce qu'elle est constituée d'une part par assemblage de tronçons (1A) de profilés tubulaires rigides emboítés à chaque extrémité sur un doigt (5A) que présente la tête (20) d'un support destiné à être ancré sur une structure porteuse en sorte de former un rail continu sans surépaisseur et d'autre part la tête (20) de ce support est, dans sa zone (21) de liaison avec le support, d'épaisseur inférieure à la section du profilé tubulaire en vue de laisser circuler librement une navette enserrant le rail.Securing structure intended to possibly receive a carabiner surrounding said line, characterized in that it consists on the one hand by assembling sections (1A) of rigid tubular profiles fitted at each end on a finger (5A) which the head has (20) of a support intended to be anchored on a supporting structure so as to form a continuous rail without additional thickness and on the other hand the head (20) of this support is, in its zone (21) of connection with the support , of thickness less than the section of the tubular profile in order to allow free circulation of a shuttle enclosing the rail. Structure d'arrimage selon la revendication 1 caractérisée ce que les tronçons sont verrouillés en translation par une soudure.Securing structure according to claim 1 characterized in that the sections are locked in translation by a weld. Structure d'arrimage selon la revendication 1 caractérisée en ce que les tronçons sont verrouillés en translation par un boulon traversant.Securing structure according to claim 1 characterized in that the sections are locked in translation by a through bolt. Structure d'arrimage selon la revendication 1 caractérisée en ce que l'emboítement (5) est plus long que celui nécessaire et il est déterminé en fonction de la capacité de flexion élastique du profilé et de la charge à supporter.Securing structure according to claim 1 characterized in that the socket (5) is longer than that necessary and it is determined according to the elastic bending capacity of the profile and the load to be supported. Structure d'arrimage selon la revendication 1 caractérisée en ce qu'elle comprend un dispositif d'accrochage (2) constitué par une navette (2A) qui se présente sous la forme d'un cylindre présentant au long d'une génératrice une ouverture (10) suffisamment large pour franchir les supports portant les doigts (5A), lesquels doigts (5A) se situent à l'extrémité supérieure du support (3).Lashing structure according to claim 1 characterized in that it comprises a hooking device (2) constituted by a shuttle (2A) which is in the form of a cylinder having an opening along a generator ( 10) wide enough to pass the supports carrying the fingers (5A), which fingers (5A) are located at the upper end of the support (3). Structure d'arrimage selon la revendication 5 caractérisée en ce que l'ouverture de la navette (2A) est, depuis une zone centrale (11), croissante.Securing structure according to claim 5 characterized in that the opening of the shuttle (2A) is, from a central zone (11), increasing. Structure d'arrimage selon la revendication 5 caractérisée en ce que, cerclant la forme cylindrique, est prévu un anneau (13) ouvert de renfort sur lequel est prévu au moins un point (14) d'ancrage pour un mousqueton.Securing structure according to claim 5 characterized in that , encircling the cylindrical shape, is provided an open ring (13) of reinforcement on which is provided at least one anchoring point (14) for a carabiner. Structure d'arrimage selon la revendication 5 caractérisée en ce que la navette (2A) présente deux points d'ancrage.Securing structure according to claim 5 characterized in that the shuttle (2A) has two anchoring points. Structure d'arrimage selon la revendication 1 caractérisée en ce que le support (3) est de section ovoïde. Securing structure according to claim 1 characterized in that the support (3) is of ovoid section. Structure d'arrimage selon la revendication 1 caractérisée en ce que le support comprendra une tête (20) de support présentant un ou deux doigts et d'une zone de liaison avec un support, cette zone de liaison comprenant à sa base des moyens d'association avec un support adapté à la configuration choisie.Securing structure according to claim 1 characterized in that the support will comprise a support head (20) having one or two fingers and a connection zone with a support, this connection zone comprising at its base means for association with a support adapted to the chosen configuration.
EP03370010A 2002-03-19 2003-03-17 Attaching structure in particular for safety purposes Expired - Lifetime EP1346754B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0203403A FR2837395B1 (en) 2002-03-19 2002-03-19 LIFELINE
FR0203403 2002-03-19

Publications (2)

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EP1346754A1 true EP1346754A1 (en) 2003-09-24
EP1346754B1 EP1346754B1 (en) 2005-09-07

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EP03370010A Expired - Lifetime EP1346754B1 (en) 2002-03-19 2003-03-17 Attaching structure in particular for safety purposes

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EP (1) EP1346754B1 (en)
AT (1) ATE303849T1 (en)
DE (1) DE60301511T2 (en)
ES (1) ES2249700T3 (en)
FR (1) FR2837395B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2297984A1 (en) * 2005-07-29 2008-05-01 Juan Carlos Gonzalez Camara Fall-prevention security system for concrete structures, has anchor releasing device and anchor receiving device with clamping, and two boxes are provided for accommodation with lid and conduit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008013783U1 (en) * 2008-11-17 2010-01-07 Jet Tageslicht & Rwa Gmbh Device for personal security against falling

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US2150651A (en) * 1935-05-18 1939-03-14 Vulcan Rail And Construction C Railing and manufacture thereof
DE2343233A1 (en) 1973-08-28 1975-03-13 Ertl Kg Baustoffwerk Safety device for flat-roof workers - incorporating posts holding continuous rail for running flexible harness attachment
EP0485757A1 (en) * 1990-10-31 1992-05-20 Eisen- Und Drahtwerk Erlau Aktiengesellschaft Construction kit for manufacture of handles, hand vails, guard barriers, small furniture and the like
DE4204861C1 (en) * 1992-02-18 1993-03-18 Brueder Siegel Gmbh & Co Kg Draht- Und Metallwarenfabrik, 8874 Leipheim, De Guide rail fastened to floor - has special curved fittings to go round corners in corridors or factory premises
DE9311347U1 (en) * 1992-09-15 1993-09-23 Wanzl Gmbh & Co. Entwicklungs-Kg, 89340 Leipheim FURNITURE PROTECTION DEVICE
EP0593150A2 (en) * 1992-07-02 1994-04-20 David S. Gleave Safety device

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GB1287186A (en) * 1970-03-11 1972-08-31 E St John Holt And Associates Guard rail support
WO1992006259A1 (en) * 1990-10-09 1992-04-16 John Clement Preston Locking joint for tubing and shadecloth clip
EP0669436A1 (en) * 1994-02-23 1995-08-30 Ferdinand Steffen Arrangement for attaching a security scaffold to a roof
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US2150651A (en) * 1935-05-18 1939-03-14 Vulcan Rail And Construction C Railing and manufacture thereof
DE2343233A1 (en) 1973-08-28 1975-03-13 Ertl Kg Baustoffwerk Safety device for flat-roof workers - incorporating posts holding continuous rail for running flexible harness attachment
EP0485757A1 (en) * 1990-10-31 1992-05-20 Eisen- Und Drahtwerk Erlau Aktiengesellschaft Construction kit for manufacture of handles, hand vails, guard barriers, small furniture and the like
DE4204861C1 (en) * 1992-02-18 1993-03-18 Brueder Siegel Gmbh & Co Kg Draht- Und Metallwarenfabrik, 8874 Leipheim, De Guide rail fastened to floor - has special curved fittings to go round corners in corridors or factory premises
EP0593150A2 (en) * 1992-07-02 1994-04-20 David S. Gleave Safety device
DE9311347U1 (en) * 1992-09-15 1993-09-23 Wanzl Gmbh & Co. Entwicklungs-Kg, 89340 Leipheim FURNITURE PROTECTION DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2297984A1 (en) * 2005-07-29 2008-05-01 Juan Carlos Gonzalez Camara Fall-prevention security system for concrete structures, has anchor releasing device and anchor receiving device with clamping, and two boxes are provided for accommodation with lid and conduit

Also Published As

Publication number Publication date
ATE303849T1 (en) 2005-09-15
DE60301511D1 (en) 2005-10-13
FR2837395A1 (en) 2003-09-26
EP1346754B1 (en) 2005-09-07
DE60301511T2 (en) 2006-07-13
ES2249700T3 (en) 2006-04-01
FR2837395B1 (en) 2004-07-09

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