EP1433501B1 - Device for the fastening of an anchoring post to a supporting structure - Google Patents
Device for the fastening of an anchoring post to a supporting structure Download PDFInfo
- Publication number
- EP1433501B1 EP1433501B1 EP03356210A EP03356210A EP1433501B1 EP 1433501 B1 EP1433501 B1 EP 1433501B1 EP 03356210 A EP03356210 A EP 03356210A EP 03356210 A EP03356210 A EP 03356210A EP 1433501 B1 EP1433501 B1 EP 1433501B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- post
- housing
- fastening
- bearing member
- locking
- 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.)
- Expired - Lifetime
Links
- 238000004873 anchoring Methods 0.000 title claims description 14
- 230000000295 complement effect Effects 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000842 Zamak Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- A62B35/0068—Anchors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2253—Mounting poles or posts to the holder
- E04H12/2261—Mounting poles or posts to the holder on a flat base
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2253—Mounting poles or posts to the holder
- E04H12/2269—Mounting poles or posts to the holder in a socket
Definitions
- the invention relates to a means for securing a point anchoring on a carrier surface. It concerns more particularly a device for fixing the end bottom of an anchor post on a load-bearing surface and protective equipment including, inter alia, a such a fixing device.
- an anchoring device is a way prevention measures used during interventions on roofs of buildings, facades of buildings or structures.
- a piece of equipment personal protection such as a harness
- a mobile safety support for example a cable
- This anchor is connected to an anchor structure, firmly attached to the bearing surface, by an interface.
- This interface in the case of devices permanent anchoring, is usually a tubular element called post.
- One end of the post comprises a base flat, allowing the passage of structural anchors, bolts or dowels, ensuring solid and durable attachment of the interface to the surface carrier.
- An anchoring device is thus obtained permanent to prevent falls from height during different interventions on the structure.
- the interface itself is generally a metallic tubular element available in several dimensions (diameter and length) from many manufacturers do not necessarily have the same manufacturing tolerances and / or the same deadlines provision of such elements. This has the consequence to further increase the amount of posts to be maintained in stock.
- EP-A-0 697 486 describes a device for fixing a tubular section to a sole of soil.
- This device comprises a sleeve internally delimiting a reception accommodation of a end of the profile.
- Four rooms are defined between the profile and housing of the sleeve and receive each a rod provided with an eccentric to block the profile in the sleeve.
- the subject of the invention is a device for fixation as defined in claim 1.
- the invention eliminates assembly of the post and its base by mechanical welding and anti-corrosion treatment previously carried out workshop, the link between the interface and the fixing done directly on the installation site. This reduces the time required to set up a anchoring device.
- the traction and blocking effectively blocks the end of the post in the dwelling, the position of the means of traction and blocking adapting to different posts likely to be encountered.
- Such a device fixing being able to adapt to different Manufacturing tolerances encountered for the same diameter post, it is no longer necessary to have stocks important of posts.
- Such a device also makes it possible if necessary, a quick change, on site, of the only post, without modification of the structural anchorage.
- the fastening device incorporates one or many of the features set forth in the claims 2-8.
- the element or elements provided with fastening means are made of an aluminum alloy, for example example of cast aluminum, alloy type A-S7G, AS13G or A-Z 10, even in "Zamak".
- This type of material allows a cut in length of the legs provided on this or these elements for its fixation on the structure, without risk creating an area susceptible to corrosion.
- the invention also relates to equipment for protection intended to prevent falls, as defined in claim 10.
- Such an anchoring device is easier and more quick to install than those known in the art, all being more adaptable and more economical.
- the anchoring device shown in FIG. comprises a horizontal bearing surface 1 on which are fixed several fixing devices 2 supporting the tubular ends 3 of posts.
- Each post is ends with a stub head 4 with a point fixed anchoring device 5 for guiding and maintaining a flexible belay support 6 to which a point is connected mobile anchoring device 7 for attaching an equipment personal protection not shown.
- Each fixing device 2 consists of an element 8 identical to that shown in Figure 2.
- the body of each element 8 is in the form of a vertical cylinder 8 in which the concave face 9 has a complementary geometry to the outer surface of the tubular end 3 of the post.
- each element 8 comprises four legs 10. These extend from the lower end of the cylinder 8 a outwardly of the element 8 in two directions d1d1 'and D2D2' generally orthogonal to the longitudinal axis CC 'of the cylinder 8 a . These directions D1D1 'and D2D2' are also perpendicular to each other.
- Each tab 10 has a generally rectangular shape. At the furthest end of the cylinder 8a, each leg 10 is provided with oblong holes 11, longitudinally aligned and allowing the passage of a fastening means, for example a bolt 11a, for connecting the leg 10 to the supporting structure 1.
- Each leg 10 includes, from the end carrying the fastening means 11, two parallel vertical stiffening ribs 12 a extending in an arc towards the upper end of the vertical cylinder 8 has on the whole length of it.
- a horizontal rib 12 b similar in shape to the ribs 12a, extends horizontally between two legs 10 of a member 8 and connects the latter to one another and to the lower end of the cylinder.
- These ribs 12 a, 12 b are fixed on the two large sides of each tab 10.
- These tabs 10 are made of a material easily sciable order to adapt the length of the legs 10, and therefore the number of bolts 11a, to the different configurations and / or carrier surfaces 1 encountered. This material is based on aluminum to avoid the risk of corrosion after adaptation of the element 8 to its application area.
- the base 8b of the cylinder 8 has, from which extend the legs 10, is provided with a recess 13, funnel-shaped, formed in the base the outer face 8 b.
- This recess 13 is provided with a central orifice 14.
- This orifice extends within an element 15 and opens into the interior of the cylinder 8 a.
- This element 15 comprises a central portion, the outer 15b surface is frustoconical, and three branches in star 15 c.
- the wall of the cylinder 8a has a variable thickness.
- the thicker part of this wall is located at the base of the cylinder 8a and the thinnest portion at the open terminal end of the latter.
- the inner face 9 of the cylinder 8 has an angle to the longitudinal axis CC 'of the housing 9 a and diverges towards its outlet.
- the frustoconical element 15 is provided, at its periphery, several tabs 16. These tabs 16 are shaped trapeze rectangle and are fixed, by their small base on the outer wall of the element 15. They extend thus along the wall of the element 15 according to radial directions with respect to the axis CC '. These tongues 16 extend beyond the free end of the element 15 in which opens the orifice 14. These tongues are regularly spaced, in pairs, on the outer wall of element 15.
- the element 15 and the tongues 16 thus form part of the locking means of the end 3 of the post.
- These means also comprise a truncated cone-shaped corner 17.
- This wedge 17 is arranged so that its small base 17a is in front of the small base 15a of the element 15.
- Fins 20 planar, solid and generally trapezoidal, are vertically positioned between the element 15 and the wedge 17. These fins are arranged by making them coincide respectively two inclined sides 20 a, 20 b respectively with the outer surfaces 15 b and 17 b of the parts 15 and 17. In this position, the fins 20 have their large bases 20c directed towards the inner face 9 of the housing 9 a.
- the end When introducing the pipe end 3 of a stanchion in the housing 9a, the end, depending on its diameter and / or thickness of its wall, penetrates at least inside the cylinder 8 a . Indeed, the inclination of the inner face 9 of the housing 9 may form a stop for the translational movement of the pipe end 3 towards the base 8b of the cylinder. The end 3 may also rest on the base 8b .
- the walls of the latter are positioned between the inner face 9 of the cylinder 8a and the large bases 20c of the fins 20.
- the rod When, from the recess 13, the rod is screwed threaded 18, it drives in translation the corner 17 thanks to the rotational locking by bolt 19 of the rod threaded 18 in the corner 17.
- the wedge 17 causes a closing of the angular sector defined by the surfaces 15b and 17b of these two parts.
- This movement causes a displacement (arrow F) of the fins 20 by respective sliding walls 15 b and 17 b of the walls 20 a and 20 b of the fins.
- the large bases 20c of the fins 20 are in abutment on the inner wall 3a of the tubular end 3 of the stanchion.
- the tabs 16 help maintain the fins 20 in a generally vertical position and to guide them during this movement.
- a fixing device comprising at least three fins 20, regularly arranged around the element 15, allows a homogeneous support and effective blocking of the tubular end 3 of the various posts encountered.
- the threaded rod 18 provides the locking in position of the end of the stanchion in the cylinder 8a. It is sufficient, in a second stage, to fix the assembly to the support surface 1 by the legs 10 and bolts 11a.
- the fixing device according to the invention is advantageously made of lightweight pieces resistant to corrosion, for example molded aluminum.
- the tubular end 3 has a section other than circular, the shape of element 8 being then adapted as well as the shape, layout and number of fins 20.
- the fins 20 can be held in place by grooves and / or tongues disposed on the wall 17b of the wedge 17.
- the fins may be held by a holding member such as an O-ring passing through a groove in the large base 20c of each fin.
- the shape and the number of horizontal ribs 12 b and / or vertical 12 a may also be different.
- the element tubular 8 consists of two half-elements, preferably substantially identical in half-cylinder shape.
- each of the vertical edges of a half-cylinder door for example charnons regularly spaced and placed in staggered relation to the knuckles of the other half-cylinder.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Road Signs Or Road Markings (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Basic Packing Technique (AREA)
- Pinball Game Machines (AREA)
- Emergency Lowering Means (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
L'invention a trait à un moyen d'arrimage d'un point d'ancrage sur une surface porteuse. Elle concerne plus particulièrement un dispositif de fixation de l'extrémité inférieure d'un potelet d'ancrage sur une surface porteuse et un équipement de protection comprenant, entre autres, un tel dispositif de fixation.The invention relates to a means for securing a point anchoring on a carrier surface. It concerns more particularly a device for fixing the end bottom of an anchor post on a load-bearing surface and protective equipment including, inter alia, a such a fixing device.
Dans le domaine des équipements de protection contre les chutes en hauteur, un dispositif d'ancrage est un moyen de prévention utilisé lors d'interventions sur des toits de bâtiments, des façades d'immeubles ou des ouvrages d'art. Un tel dispositif permet de relier un équipement de protection individuelle, tel qu'un harnais, à une structure fixe tout en permettant le déplacement de l'intervenant sur la structure nécessitant une intervention. Dans un tel dispositif, un support d'assurage mobile, par exemple un câble, est maintenu par un point d'ancrage fixe, par exemple un anneau. Ce point d'ancrage est relié à une ancre structurelle, solidement fixée à la surface porteuse, par une interface. Cette interface, dans le cas de dispositifs d'ancrage permanents, est généralement un élément tubulaire dénommé potelet.In the field of protective equipment against Falls in height, an anchoring device is a way prevention measures used during interventions on roofs of buildings, facades of buildings or structures. Such a device makes it possible to connect a piece of equipment personal protection, such as a harness, to a structure fixed while allowing the moving of the speaker on the structure requiring intervention. In such a device, a mobile safety support, for example a cable, is maintained by a fixed anchor, by example a ring. This anchor is connected to an anchor structure, firmly attached to the bearing surface, by an interface. This interface, in the case of devices permanent anchoring, is usually a tubular element called post.
L'une des extrémités du potelet comprend une embase plate, permettant le passage d'ancres structurelles, notamment des boulons ou des chevilles, assurant une fixation solide et durable de l'interface à la surface porteuse. On obtient ainsi un dispositif d'ancrage permanent permettant de prévenir les chutes de hauteur lors de différentes interventions sur la structure.One end of the post comprises a base flat, allowing the passage of structural anchors, bolts or dowels, ensuring solid and durable attachment of the interface to the surface carrier. An anchoring device is thus obtained permanent to prevent falls from height during different interventions on the structure.
Il est connu de souder, préalablement à son installation, une extrémité d'un potelet, généralement métallique, sur une embase elle aussi métallique. Après avoir été mécano-soudés, ces deux éléments doivent être traités contre la corrosion, notamment par galvanisation. L'ensemble de ces opérations ne peut se faire qu'en atelier préalablement à l'installation sur site. Compte tenu de la diversité des interventions en hauteur et des configurations d'installation, il est nécessaire de disposer d'un stock important de potelets, de dimensions variées, déjà reliés à leurs embases respectives.It is known to weld, prior to installation, one end of a post, usually metallic, on a base also metallic. After have been mechanically welded, these two elements must be treated against corrosion, especially by galvanizing. All of these operations can only be done in the workshop prior to installation on site. Considering the diversity of interventions at height and installation configurations, it is necessary to have a large stock of posts, dimensions various, already connected to their respective bases.
Par ailleurs, l'interface proprement dite est généralement un élément tubulaire métallique disponible en plusieurs dimensions (diamètre et longueur) auprès de plusieurs fabricants n'ayant pas forcément les mêmes tolérances de fabrication et/ou les mêmes délais de fourniture de tels éléments. Ceci a pour conséquence d'augmenter encore la quantité de potelets à maintenir en stock.Moreover, the interface itself is generally a metallic tubular element available in several dimensions (diameter and length) from many manufacturers do not necessarily have the same manufacturing tolerances and / or the same deadlines provision of such elements. This has the consequence to further increase the amount of posts to be maintained in stock.
L'ensemble de ces contraintes implique un délai relativement important pour la mise en place d'un dispositif d'ancrage.All of these constraints imply a delay relatively important for the establishment of a anchoring device.
Dans un domaine différent, à savoir celui de la signalisation par des poteaux ou analogues, EP-A-0 697 486 décrit un dispositif de fixation d'un profilé tubulaire à une semelle de sol. Ce dispositif comporte un manchon délimitant intérieurement un logement de réception d'une extrémité du profilé. Quatre chambres sont définies entre le profilé et le logement du manchon et reçoivent chacune une tige pourvue d'un excentrique pour bloquer le profilé dans le manchon.In a different field, namely that of the signaling by posts or the like, EP-A-0 697 486 describes a device for fixing a tubular section to a sole of soil. This device comprises a sleeve internally delimiting a reception accommodation of a end of the profile. Four rooms are defined between the profile and housing of the sleeve and receive each a rod provided with an eccentric to block the profile in the sleeve.
Selon les dimensions relatives du manchon et du profilé à bloquer, la fiabilité du blocage obtenue par la coopération des quatre tiges à excentrique, manipulées à la main et indépendamment les unes des autres, est insuffisante pour atteindre le niveau de sécurité exigé dans le domaine des équipements de protection contre les chutes en hauteur. Tout changement des dimensions du profilé fait courir des risques d'accidents. According to the relative dimensions of the sleeve and profile to be blocked, the reliability of the blocking obtained by the cooperation of the four eccentric rods, handled at the hand and independently of each other, is insufficient to achieve the required level of security in the field of protective equipment against falls in height. Any change in the dimensions of the profile causes the risk of accidents.
C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un dispositif de fixation rapide des différentes interfaces disponibles sur le marché.It is to these disadvantages that more particularly remedy the invention by proposing a quick fixing device for the different interfaces available on the market.
A cet effet, l'invention a pour objet un dispositif de
fixation tel que défini à la revendication 1.For this purpose, the subject of the invention is a device for
fixation as defined in
Grâce à l'invention, on s'affranchit de l'assemblage du potelet et de son embase par mécano-soudure et du traitement anti-corrosion préalablement effectués en atelier, la liaison entre l'interface et le dispositif de fixation se faisant directement sur le site d'installation. On diminue ainsi les délais de mise en place d'un dispositif d'ancrage. De plus, l'organe de traction et de blocage assure le blocage efficace de l'extrémité du potelet dans le logement, la position des moyens de traction et de blocage s'adaptant aux différents potelets susceptibles d'être rencontrés. Un tel dispositif de fixation étant à même de s'adapter aux différentes tolérances de fabrication rencontrées pour un même diamètre de potelet, il n'est plus nécessaire d'avoir des stocks importants de potelets. Un tel dispositif permet également, si nécessaire, un changement rapide, sur site, du seul potelet, sans modification de l'ancrage structurel.Thanks to the invention, it eliminates assembly of the post and its base by mechanical welding and anti-corrosion treatment previously carried out workshop, the link between the interface and the fixing done directly on the installation site. This reduces the time required to set up a anchoring device. In addition, the traction and blocking effectively blocks the end of the post in the dwelling, the position of the means of traction and blocking adapting to different posts likely to be encountered. Such a device fixing being able to adapt to different Manufacturing tolerances encountered for the same diameter post, it is no longer necessary to have stocks important of posts. Such a device also makes it possible if necessary, a quick change, on site, of the only post, without modification of the structural anchorage.
Selon des aspects avantageux mais non obligatoires de l'invention, le dispositif de fixation incorpore une ou plusieurs des caractéristiques énoncées aux revendications 2 à 8.According to advantageous but not compulsory aspects of the invention, the fastening device incorporates one or many of the features set forth in the claims 2-8.
Suivant une autre caractéristique avantageuse de ce
dispositif, le ou les éléments munis de moyens de fixation
sont réalisés dans un alliage à base d'aluminium, par
exemple en fonte d'aluminium, en alliage de type A-S7G, AS13G
ou A-Z 10, voire en « Zamak ». Ce type de matériau
permet une recoupe en longueur des pattes prévues sur ce ou
ces éléments pour sa fixation sur la structure, sans risque
de création d'une zone susceptible de corrosion.According to another advantageous characteristic of this
device, the element or elements provided with fastening means
are made of an aluminum alloy, for example
example of cast aluminum, alloy type A-S7G, AS13G
or
L'invention concerne également un équipement de
protection destiné à prévenir les chutes, tel que défini Ã
la revendication 10.The invention also relates to equipment for
protection intended to prevent falls, as defined in
Un tel dispositif d'ancrage est plus facile et plus rapide à installer que ceux connus dans la technique, tout en étant plus adaptable et plus économique.Such an anchoring device is easier and more quick to install than those known in the art, all being more adaptable and more economical.
L'invention sera mieux comprise et d'autres avantages de celle-ci apparaÃtront plus clairement à la lumière de la description qui va suivre d'un dispositif de fixation conforme à l'invention, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :
- la figure 1 est une vue générale d'un dispositif d'ancrage d'un équipement de protection individuelle, conforme à l'invention, en place sur une surface porteuse horizontale,
- la figure 2 est une vue en perspective des différents éléments constitutifs du dispositif de fixation représenté à la figure 1 avant leur mise en place,
- la figure 3 est une vue de dessus du dispositif de fixation conforme à l'invention avant la mise en place des éléments constitutifs, et
- la figure 4 est une coupe selon le plan de coupe IV-IV de la figure 3 avec l'extrémité tubulaire du potelet et les éléments constitutifs en place.
- FIG. 1 is a general view of an anchorage device for personal protective equipment, according to the invention, in place on a horizontal bearing surface,
- FIG. 2 is a perspective view of the different elements constituting the fixing device represented in FIG. 1 before they are put in place,
- FIG. 3 is a view from above of the fixing device according to the invention before the constituent elements are put in place, and
- Figure 4 is a section along the section plane IV-IV of Figure 3 with the tubular end of the post and the constituent elements in place.
Le dispositif d'ancrage représenté à la figure 1
comprend une surface porteuse 1 horizontale sur laquelle
sont fixés plusieurs dispositifs de fixation 2 supportant
les extrémités tubulaires 3 de potelets. Chaque potelet se
termine par une tête de potelet 4 pourvue d'un point
d'ancrage fixe 5 permettant le guidage et le maintien d'un
support d'assurage flexible 6 auquel est relié un point
d'ancrage mobile 7 permettant l'accrochage d'un équipement
de protection individuelle non représenté.The anchoring device shown in FIG.
comprises a horizontal bearing
Chaque dispositif de fixation 2 est constitué d'un
élément 8 identique à celui représenté à la figure 2. Le
corps de chaque élément 8 se présente sous la forme d'un
cylindre vertical 8a dont la face concave 9 est de
géométrie complémentaire à la surface externe de
l'extrémité tubulaire 3 du potelet.Each
A l'extérieur du cylindre 8a chaque élément 8 comporte
quatre pattes 10. Celles-ci s'étendent à partir de
l'extrémité inférieure du cylindre 8a vers l'extérieur de
l'élément 8 selon deux directions D1D1' et D2D2'
globalement orthogonales à l'axe longitudinal CC' du
cylindre 8a. Ces directions D1D1' et D2D2' sont également
perpendiculaires entre elles.Outside the
Chaque patte 10 a une forme globalement rectangulaire.
A l'extrémité la plus éloignée du cylindre 8a, chaque patte
10 est pourvue d'orifices oblongs 11, alignés
longitudinalement et permettant le passage d'un moyen de
fixation, par exemple un boulon 11a, destiné à relier la
patte 10 Ã la structure porteuse 1. Chaque patte 10
comprend, à partir de cette extrémité portant les moyens de
fixation 11, deux nervures de renfort verticales parallèles
12a s'étendant en arc de cercle en direction de l'extrémité
supérieure du cylindre vertical 8a sur toute la longueur de
celui-ci. Une nervure horizontale 12b, de forme analogue
aux nervures 12a, s'étend horizontalement entre deux pattes
10 d'un élément 8 et relie ces dernières entre elles et Ã
l'extrémité inférieure du cylindre. Ces nervures 12a, 12b
sont fixées sur les deux grands côtés de chaque patte 10.
Ces pattes 10 sont réalisées en un matériau aisément
sciable afin de pouvoir adapter la longueur des pattes 10,
et donc le nombre de boulons 11a, aux différentes
configurations et/ou surfaces porteuses 1 rencontrées. Ce
matériau est à base d'aluminium pour éviter les risques de
corrosion après adaptation de l'élément 8 à sa zone de
pose.Each
La base 8b du cylindre 8a, Ã partir de laquelle
s'étendent les pattes 10, est pourvue d'un évidement 13, en
forme d'entonnoir, ménagé sur la face externe de la base
8b. Cet évidement 13 est pourvu d'un orifice central 14.
Cet orifice se prolonge à l'intérieur d'un élément 15 et
débouche à l'intérieur du cylindre 8a. Cet élément 15
comprend une partie centrale, dont la surface externe 15b
est tronconique, et trois branches en étoile 15c.The
La paroi du cylindre 8a présente une épaisseur
variable. La partie la plus épaisse de cette paroi est
située à la base du cylindre 8a et la partie la moins
épaisse au niveau de l'extrémité terminale ouverte de ce
dernier. De cette manière, la face interne 9 du cylindre 8a
forme un angle avec l'axe longitudinal CC' du logement 9a
et diverge en direction de son débouché.The wall of the
L'élément tronconique 15 est pourvu, à sa périphérie,
de plusieurs languettes 16. Ces languettes 16 sont en forme
de trapèze rectangle et sont fixées, par leur petite base
sur la paroi externe de l'élément 15. Elles s'étendent
ainsi le long de la paroi de l'élément 15 selon des
directions radiales par rapport à l'axe CC'. Ces languettes
16 se prolongent au delà de l'extrémité libre de l'élément
15 dans laquelle débouche l'orifice 14. Ces languettes sont
régulièrement espacées, par paires, sur la paroi externe de
l'élément 15.The
L'élément 15 et les languettes 16 forment ainsi une
partie des moyens de blocage de l'extrémité 3 du potelet.
Ces moyens comprennent également un coin 17 en forme de
cône tronqué. Ce coin 17 est disposé de manière à ce que sa
petite base 17a soit en face de la petite base 15a de
l'élément 15. Une tige filetée 18, introduite par
l'évidement 13, traverse l'orifice 14, l'élément 15 et le
coin 17 sur lequel elle est bloquée par un écrou 19.The
Des ailettes 20 planes, pleines et globalement en
forme de trapèze, sont positionnées verticalement entre
l'élément 15 et le coin 17. Ces ailettes sont disposées en
faisant coïncider respectivement leur deux côtés inclinés
20a, 20b avec respectivement les surfaces externes 15b et
17b des pièces 15 et 17. Dans cette position, les ailettes
20 ont leurs grandes bases 20c orientées vers la face
interne 9 du logement 9a.
Lorsque l'on introduit l'extrémité tubulaire 3 d'un
potelet dans le logement 9a, cette extrémité, en fonction
de son diamètre et/ou de l'épaisseur de sa paroi, pénètre
plus au moins à l'intérieur du cylindre 8a. En effet,
l'inclinaison de la face interne 9 du logement 9a peut
former une butée au mouvement de translation de l'extrémité
tubulaire 3 en direction de la base 8b du cylindre.
L'extrémité 3 peut également reposer sur la base 8b.When introducing the
Lors de l'introduction de l'extrémité 3, les parois de
cette dernière se trouvent positionnées entre la face
interne 9 du cylindre 8a et les grandes bases 20c des
ailettes 20.Upon introduction of the 3'-end, the walls of the latter are positioned between the
Lorsque, à partir de l'évidement 13, on visse la tige
filetée 18, celle-ci entraÃne en translation le coin 17
grâce au blocage en rotation par le boulon 19 de la tige
filetée 18 dans le coin 17.When, from the
En se rapprochant de l'élément 15, le coin 17 provoque
une fermeture du secteur angulaire défini par les surfaces
15b et 17b de ces deux pièces. Ce mouvement entraÃne un
déplacement (flèche F) des ailettes 20 par glissement
respectif des parois 15b et 17b sur les parois 20a et 20b
des ailettes. A l'issu de ce mouvement, les grandes bases
20c des ailettes 20 se trouvent en appui sur la paroi
interne 3a de l'extrémité tubulaire 3 du potelet. Approaching the
Les languettes 16 permettent de maintenir les ailettes
20 dans une position globalement verticale et de les guider
lors de ce mouvement.The
Lorsque l'on introduit dans le dispositif 2
l'extrémité 3 d'un potelet, il est fréquent que, compte
tenu des tolérances admises chez les différents
fournisseurs de potelets, on observe un jeu entre la paroi
externe du potelet et la paroi interne du cylindre 8a. Pour
un diamètre couramment rencontré de l'ordre de 76 mm, on
peut observer des jeux pouvant atteindre 2,5 mm selon les
fournisseurs.When the
Un dispositif de fixation comprenant au moins trois
ailettes 20, régulièrement disposées autour de l'élément
15, permet un appui homogène et un blocage efficace de
l'extrémité tubulaire 3 des différents potelets rencontrés.
La tige filetée 18 assure le blocage en position de
l'extrémité du potelet dans le cylindre 8a. Il suffit, dans
un second temps, de fixer l'ensemble à la surface porteuse
1 par les pattes 10 et les boulons 11a.A fixing device comprising at least three
Une fois en place, il n'est plus possible de débloquer
l'extrémité tubulaire 3 du potelet sans avoir au préalable
désolidarisé le dispositif de fixation 2 de la surface
porteuse 1.Once in place, it is no longer possible to unlock
the
On évite ainsi toute sortie accidentelle de l'extrémité du potelet du logement tout en permettant si besoin est, le démontage et le changement de l'extrémité du potelet.This avoids any accidental exit from the end of the dwelling post while allowing so need is, disassembly and change the end of the bollard.
Le dispositif de fixation conforme à l'invention est
avantageusement réalisé en pièces légères résistantes à la
corrosion, par exemple en aluminium moulé. Dans un autre
mode de réalisation l'extrémité tubulaire 3 présente une
section autre que circulaire, la forme de l'élément 8 étant
alors adaptée ainsi que la forme, la disposition et le
nombre des ailettes 20. The fixing device according to the invention is
advantageously made of lightweight pieces resistant to
corrosion, for example molded aluminum. In another
embodiment the
En variante, le maintien des ailettes 20 peut être
assuré par des rainures et/ou des languettes disposées sur
la paroi 17b du coin 17.As a variant, the
De même, dans une autre configuration, les ailettes
peuvent être maintenues par un organe de maintien tel un
joint torique passant dans une gorge ménagée dans la grande
base 20c de chaque ailette.Similarly, in another configuration, the fins may be held by a holding member such as an O-ring passing through a groove in the
La forme et le nombre des nervures horizontales 12b
et/ou verticales 12a peuvent également être différents.The shape and the number of
Selon une variante non représentée, l'élément
tubulaire 8 est constitué de deux demi-éléments, de
préférence essentiellement identiques en forme de demi-cylindre.
Dans ce cas, chacune des arêtes verticales d'un
demi-cylindre porte par exemple des charnons régulièrement
espacés et placés en quinconce par rapport aux charnons de
l'autre demi-cylindre. Lorsque l'on associe deux demi-éléments
de manière à former un cylindre, les charnons
s'emboÃtent et sont bloqués en position par une broche.According to a variant not shown, the
Claims (10)
- Device for fastening an anchoring post with an anchoring point to a supporting surface, comprising at least one element (8) equipped with fastening means (10, 11) which can be adapted to said surface (1) and at least one component face (9) of one part at least of a reception housing (9a) for one end (3) of the post, characterised in that it comprises at least one independent member (20) for bearing against the internal wall (3a) of the end (3) of the post, which can be displaced radially and centrifugally (arrow F) in the interior of the housing (9a) by traction and locking means (17, 18) according to a direction generally included within the principal axis (CC') of the housing.
- Device according to claim 1, characterised in that the traction and locking means comprise a hollow wedge (17) for displacing the bearing member (20), which is mobile relative to the element (8) equipped with fastening means (10, 11) and a member (18) for pulling and locking this wedge according to the direction generally included within the principal axis (CC') of the housing (9a).
- Device according to any of the preceding claims, characterised in that the base (8b) of the housing is equipped with an element (15) which extends in the direction of the interior of the housing (9a) and which has an external truncated surface (15b) adapted to cooperate with the bearing member (20) to lock the end (3) of the post.
- Device according to claims 2 and 3 taken together, characterised in that the bearing member (20) is positioned between the truncated element (15) and the hollow wedge (17) and in that the external surfaces (15b, 17b) of said truncated element (15) and said hollow wedge (17) are adapted to cooperate, respectively and simultaneously, with complementary surfaces (20a, 20b) of the bearing member (20) on the internal wall (3a) of the end (3) of the post.
- Device according to claim 3 or 4, characterised in that the truncated element (15) comprises at least one pair of vertical fillets (16) between which the bearing member (20) is guided.
- Device according to any of the preceding claims, characterised in that the base (8b) of the housing (9a) is provided with an aperture (14) oriented according to a direction generally included within the principal axis (CC') of said housing (9a) and in that the traction and locking member is a threaded rod (18), inserted into and freely rotating in said aperture.
- Fastening device according to any of the preceding claims, characterised in that said housing (9a) is flared in the direction of its outlet, in order to be able to cooperate with walls of different thicknesses of one end (3) of the post.
- Fastening device according to any of the preceding claims, characterised in that said device (2) comprises two, possibly identical, elements connected to one another by connecting means and together defining the reception housing (9a) of one end (3) of a post.
- Fastening device according to any of the preceding claims, characterised in that said element or said elements (8) equipped with fastening means (10, 11) are made from an aluminium-based alloy.
- Protective equipment designed to prevent falls, comprising at least one anchoring point (5) secured to a supporting surface (1) by means of posts of which at least one is connected to the supporting surface (1) by a fastening device (2) according to any of the preceding claims.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0216659A FR2849120B1 (en) | 2002-12-24 | 2002-12-24 | DEVICE FOR FASTENING A STACKING POLELET TO A CARRIER SURFACE |
FR0216659 | 2002-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1433501A1 EP1433501A1 (en) | 2004-06-30 |
EP1433501B1 true EP1433501B1 (en) | 2005-07-13 |
Family
ID=32406508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03356210A Expired - Lifetime EP1433501B1 (en) | 2002-12-24 | 2003-12-23 | Device for the fastening of an anchoring post to a supporting structure |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1433501B1 (en) |
AT (1) | ATE299389T1 (en) |
DE (1) | DE60301011T2 (en) |
ES (1) | ES2242152T3 (en) |
FR (1) | FR2849120B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9803330B2 (en) * | 2015-10-07 | 2017-10-31 | Timothy Seay | Post support and post support system |
EP4218946A1 (en) * | 2022-01-28 | 2023-08-02 | APP Dachgarten GmbH | Support leg of a cable holding device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2784015A (en) * | 1953-04-24 | 1957-03-05 | Carl G Swanson | Pole base |
US3841695A (en) * | 1971-12-21 | 1974-10-15 | E Woodward | Stake pocket adapter |
US4045003A (en) * | 1973-03-14 | 1977-08-30 | Mccluskey John R | Support devices for stanchions |
DE8535843U1 (en) * | 1985-12-20 | 1986-03-06 | Junker, Wilhelm, 7150 Backnang | Posts for traffic signs and traffic facilities |
FR2709511B1 (en) * | 1993-09-03 | 1995-11-24 | Caddie Atel Reunis | Base plate for cylindrical tubular post. |
DE9412619U1 (en) * | 1994-08-04 | 1995-05-18 | Heienbrock, Helmut, 82140 Olching | Uni insert sleeve with pipe lock and fixation |
US5632464A (en) * | 1995-09-05 | 1997-05-27 | Aberle; Steven C. | Ground pocket support |
-
2002
- 2002-12-24 FR FR0216659A patent/FR2849120B1/en not_active Expired - Fee Related
-
2003
- 2003-12-23 DE DE60301011T patent/DE60301011T2/en not_active Expired - Lifetime
- 2003-12-23 EP EP03356210A patent/EP1433501B1/en not_active Expired - Lifetime
- 2003-12-23 AT AT03356210T patent/ATE299389T1/en not_active IP Right Cessation
- 2003-12-23 ES ES03356210T patent/ES2242152T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1433501A1 (en) | 2004-06-30 |
FR2849120B1 (en) | 2005-09-16 |
FR2849120A1 (en) | 2004-06-25 |
ES2242152T3 (en) | 2005-11-01 |
DE60301011T2 (en) | 2006-05-24 |
DE60301011D1 (en) | 2005-08-18 |
ATE299389T1 (en) | 2005-07-15 |
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