EP1013833B1 - Fitting apparatus of an acess trap to underground civil engineering building works - Google Patents
Fitting apparatus of an acess trap to underground civil engineering building works Download PDFInfo
- Publication number
- EP1013833B1 EP1013833B1 EP99403221A EP99403221A EP1013833B1 EP 1013833 B1 EP1013833 B1 EP 1013833B1 EP 99403221 A EP99403221 A EP 99403221A EP 99403221 A EP99403221 A EP 99403221A EP 1013833 B1 EP1013833 B1 EP 1013833B1
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- EP
- European Patent Office
- Prior art keywords
- plate
- leaf
- orifice
- previous
- hinge
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1463—Hinged connection of cover to frame
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
Definitions
- the present invention relates to a improvement of the devices fitting an access hatch to the galleries and underground civil engineering works, it aims more particularly those equipping networks that the hatch is made up of a or more leaves.
- these hatches are devoid assistance system for opening, or all less when there is one, it allows simply take off the window of the frame so the user can enter it and either rotate it, or translate it using a adequate tool. Whatever the maneuver, user must exert physical effort important that he possibly cannot exercise or when weather conditions are not not lenient, this effort may be exerted in security conditions that are not optimal.
- the present invention therefore aims to overcome these disadvantages, by offering an improvement to equipment for an access hatch, which at the same time facilitates the complete opening of the hatches without the use of excessive effort user, and when these hatches are open, prevents them from closing unexpectedly or accidental without a positive action of user while allowing insertion possible devices that prevent opening untimely of these hatches.
- the device for equipping a access hatch to galleries and underground structures civil engineering consisting of at least one leaf is characterized in that it comprises said at least one leaf and, intended to be mounted on one any of the sides forming the frame of a frame, at least one articulation plate bearing on one of the side walls of the room underground, this plate being provided, on the one hand a hinge pin and a support means connected to a facilitation device opening to ensure the opening and closing of said at least one leaf, the internal face of the leaf comprising a groove for receiving the axis of articulation coming from the plate, thus only lugs at the back of the hinge pin who come to rest on the heels positioned on the rear face of the plate, these lugs facilitating the pivoting of the leaf.
- the improvements to the devices fitting an access hatch to the galleries and underground civil engineering works according to the invention are intended to adapt, as can be seen in the figures 1 and 2, to a frame 1 or a metal frame forming the frame of the access hatch.
- This frame consists in particular of profiles metal of classic cross section, particularly in L, joined at their ends by a welding process so as to form a rectangular, square or triangular frame.
- This frame is provided in particular with lateral legs protruding, thus conforming legs of sealing, which will be embedded in the coating of the pavement or in the concrete or cement block which forms the underground chamber.
- this sleeping frame can be made integral with the opening of the underground chamber by any other means, in particular using studs or tie rods anchored in the ground.
- the different leaves are hinged on the same edge and the corresponding plates 2 are juxtaposed one next to the other in a step determined.
- the plate 2 (refer to figures 3, 4 and 5) is produced in the form of an angle iron obtained by bending or welding of metallic elements, and has substantially two parts 4, 5.
- the second part 5 of this plate 2 is intended to rest on one of the side walls of the underground chamber.
- this 5 is much more massive than the previous 4 because it must offer with the side wall on which it rests on a significantly more contact surface important, so as to transmit and distribute the efforts that will be applied to it.
- a means 8 constituting support for at least one jack and / or a self-locking arm or compass.
- This means 8 forming a support projects substantially according to a direction perpendicular to the stage 2 and is directed towards the interior of the chamber underground.
- this support 8 is provided with an orifice 9 which allows the passage of a threaded rod 10 of which the stroke is adjustable by a system of nuts against nuts, one end of the rod threaded 10 being provided with a means of cooperation 11 (eyelet for example) with the end of the body a self-locking cylinder and / or compass.
- one positions in particular by welding on the first part 4 of plate 2, legs 12 forming projecting perpendicularly and preferentially at an angle that exceeds the right angle.
- these legs 12 are intended to receive a hinge pin 13 on which the pivot must pivot leaf 3.
- Leaf 3 whether master or slave, is produced as a cast iron pad universal type including spheroidal graphite (GS).
- GS spheroidal graphite
- the pins 26 play the same role in reverse; moreover, when the buffer is in the closed position on the frame forming the frame 1, none of the elements participating in the articulation of the tampon is then not subjected to mechanical forces applied to the external face of the buffer, due to the presence of these pins 26.
- a self-locking arm 15 possibly connecting the plate articulation 2 to buffer 3 via a self-locking arm 15.
- This placed according to a coplanar direction to the cylinder (s) opening assistance, is carried out in a metal bar (see Figures 6 and 7).
- This last comprises, on the one hand at one of its ends a orifice 22 which cooperates with the end of the rod threaded 10 connected to the hinge plate 2, and on the other hand a light 23 in which can be move a stud 24 projecting from the stand 17 provided on the internal face of the pad 3, this light 23 ending with an ear 25 in which is housed said stud 24 when the pad 3 is in the open position, so to achieve its blocking.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Tents Or Canopies (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Catching Or Destruction (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Bridges Or Land Bridges (AREA)
- Wing Frames And Configurations (AREA)
Abstract
Description
La présente invention est relative à un perfectionnement apporté aux dispositifs d'équipement d'une trappe d'accès aux galeries et ouvrages souterrains de génie civil, elle vise plus particulièrement ceux équipant les réseaux téléphoniques, que la trappe soit constituée d'un ou plusieurs vantaux.The present invention relates to a improvement of the devices fitting an access hatch to the galleries and underground civil engineering works, it aims more particularly those equipping networks that the hatch is made up of a or more leaves.
Actuellement, les ouvrages de génie civil sont obturés par une trappe constituée d'un ou plusieurs vantaux provenant de fonderie, ou réalisés en mécano-soudé ou en béton, de forme rectangulaire, carrée ou triangulaire, reposant par leurs bords sur le fond de feuillure d'un cadre dormant, auquel ils sont parfois solidarisés par vissage au moyen de boulons accessibles depuis l'extérieur.Currently, civil engineering works are closed by a hatch made up of one or more leaves from foundry, or made in mechanically welded or concrete, rectangular in shape, square or triangular, resting by their edges on the rebate background of a sleeping frame, to which they are sometimes joined by screwing by means bolts accessible from the outside.
On connaít, par le document britannique GB 897 553, un système d'ouverture de trappe ou analogue, consistant essentiellement en un dispositif de parallélogramme articulé et pourvu d'un contrepoids dont la cinématique permet d'extraire et de basculer le tampon par rapport à la chambre. We know, from the British document GB 897 553, a hatch opening system or the like, consisting essentially of a articulated parallelogram with counterweight whose kinematics makes it possible to extract and tilt the tampon in relation to the chamber.
Le principal inconvénient de ce dispositif d'assistance à ouverture à contrepoids réside particulièrement dans le fait que toute la cinématique du parallélogramme et du contrepoids occupe un volume dans la chambre, empêchant ainsi toute mise en place d'un boítier à l'intérieur de la chambre.The main drawback of this device counterweight opening assistance resides particularly in the fact that the whole kinematics of the parallelogram and counterweight occupies a volume in the room, thus preventing any placement of a housing inside bedroom.
On connaít également, par le document américain 5 465 862, un système d'assistance à l'ouverture pour trappe de service destinée à des applications aéronautiques. Ce dispositif est particulièrement conçu pour compenser le poids de la trappe au cours sa course sur 90°, permettant ainsi de s'adapter à chaque degré d'ouverture à la résultante du poids qui varie.We also know, by the American document 5,465,862, an opening assistance system for service hatch intended for applications aeronautical. This device is particularly designed to compensate for the weight of the hatch during its 90 ° stroke, allowing it to adapt to each degree of openness to the resultant of the weight which varies.
On connaít enfin de DE-A-4208453 des dispositifs d'équipement d'une trappe d'accès aux galeries et aux ouvrages souterrains du génie civil et comportant un vantail et sur un coté du cadre du dormant une platine prenant appui sur l'une des parois latérales de la chambre souterraine, cette platine étant munie d'un moyen support connecté à un dispositif de facilitation d'ouverture permettant d'assurer l'ouverture et la fermeture du vantail.We finally know from DE-A-4208453 devices fitting an access hatch to the galleries and underground civil engineering works and with a leaf and on one side of the frame of the sleeping a plate bearing on one of the side walls of the underground chamber, this plate being provided with a support means connected to an opening facilitation device to ensure the opening and closing of the leaf.
L'inconvénient de ces dispositifs réside dans le fait qu'ils génèrent un volume important. Compte tenu de l'encombrement des systèmes d'ouverture, il est souvent très délicat d'incorporer un boítier à l'intérieur de la chambre, qui, par exemple, permettrait de renforcer les dispositifs de verrouillage et de sécurité desdits dispositifs.The disadvantage of these devices lies in the fact that they generate a large volume. Account given the size of the opening systems, it is often very tricky to incorporate a housing the interior of the room, which, for example, would strengthen the locking and security of said devices.
Pour rendre plus difficile l'ouverture de ces trappes, on a donc muni ces trappes de serrures qui sont généralement destinées à équiper les ouvrages récents, mais il n'est pas possible, d'un point de vue économique de les substituer aux dispositifs existants, étant donné le nombre important de ceux-ci.To make it more difficult to open these hatches, we therefore fitted these hatches with locks which are generally intended to equip the works recent, but it is not possible, from a point of economic view of replacing them with devices existing, given the large number of these.
En outre, on peut noter que compte tenu de la nature des matériaux constituant ces trappes et la surface couverte, ces dispositifs de sécurisation possèdent souvent une masse importante qui rend très difficile leur manipulation par un seul homme.In addition, it can be noted that given the nature of the materials constituting these hatches and the covered area, these security devices often have a large mass which makes very difficult to handle by one man.
En effet, généralement ces trappes sont dépourvues de système d'assistance à l'ouverture, ou tout au moins lorsqu'il en existe un, celui-ci permet simplement de décoller l'ouvrant du dormant afin que l'utilisateur puisse le saisir et puisse soit le faire pivoter, soit le translater à l'aide d'un outil adéquat. Quelle que soit la manoeuvre, l'utilisateur doit déployer un effort physique important qu'il ne peut éventuellement pas exercer ou lorsque les conditions atmosphériques ne sont pas clémentes, cet effort risque d'être exercé dans des conditions de sécurité qui ne sont pas optimales.Indeed, generally these hatches are devoid assistance system for opening, or all less when there is one, it allows simply take off the window of the frame so the user can enter it and either rotate it, or translate it using a adequate tool. Whatever the maneuver, user must exert physical effort important that he possibly cannot exercise or when weather conditions are not not lenient, this effort may be exerted in security conditions that are not optimal.
De plus, lorsque ces trappes sont ôtées de la chambre, il convient qu'elles ne se referment pas intempestivement sur l'utilisateur, lorsque ce dernier intervient dans cette chambre.In addition, when these hatches are removed from the room, they should not close inadvertently on the user, when this the latter intervenes in this room.
La présente invention vise donc à pallier ces inconvénients, en proposant un perfectionnement aux dispositifs d'équipement d'une trappe d'accès, qui à la fois facilite l'ouverture complète des trappes sans le recours à un effort excessif de l'utilisateur, et lorsque ces trappes sont ouvertes, empêche leur fermeture intempestive ou accidentelle sans une action positive de l'utilisateur tout en permettant l'insertion éventuelle de dispositifs qui empêchent l'ouverture intempestive de ces trappes.The present invention therefore aims to overcome these disadvantages, by offering an improvement to equipment for an access hatch, which at the same time facilitates the complete opening of the hatches without the use of excessive effort user, and when these hatches are open, prevents them from closing unexpectedly or accidental without a positive action of user while allowing insertion possible devices that prevent opening untimely of these hatches.
De plus, ces perfectionnements doivent pouvoir s'intégrer à des installations neuves ou lors de réhabilitations d'installations anciennes pour leur mise en conformité à l'égard de normes.In addition, these improvements must be able to integrate with new installations or during rehabilitations of old installations for their compliance with standards.
A cet effet, le dispositif d'équipement d'une trappe d'accès aux galeries et ouvrages souterrains du génie civil constituée d'au moins un vantail selon la présente invention se caractérise en ce qu'il comporte ledit au moins un vantail et, destinée à être montée sur l'un quelconque des côtés formant le cadre d'un dormant, au moins une platine d'articulation prenant appui sur l'une des parois latérales de la chambre souterraine, cette platine étant munie, d'une part d'un axe d'articulation et d'un moyen support connecté à un dispositif de facilitation d'ouverture permettant d'assurer l'ouverture et la fermeture dudit au moins un vantail, la face interne du vantail comportant une gorge pour recevoir l'axe d'articulation venant de la platine, ainsi que des ergots à l'arrière de l'axe d'articulation qui viennent prendre appui au niveau de talons positionnés sur la face arrière de la platine, ces ergots facilitant le pivotement du vantail.To this end, the device for equipping a access hatch to galleries and underground structures civil engineering consisting of at least one leaf according to the present invention is characterized in that it comprises said at least one leaf and, intended to be mounted on one any of the sides forming the frame of a frame, at least one articulation plate bearing on one of the side walls of the room underground, this plate being provided, on the one hand a hinge pin and a support means connected to a facilitation device opening to ensure the opening and closing of said at least one leaf, the internal face of the leaf comprising a groove for receiving the axis of articulation coming from the plate, thus only lugs at the back of the hinge pin who come to rest on the heels positioned on the rear face of the plate, these lugs facilitating the pivoting of the leaf.
D'autres caractéristiques et avantages de la présente invention ressortiront de la description faite ci-après, en référence aux dessins annexés qui en illustrent un exemple de réalisation dépourvu de tout caractère limitatif. Sur les figures :
- la figure 1 est une vue de face d'un d'équipement de trappe, équipé des perfectionnements selon l'invention ;
- la figure 2 est une vue de côté de la figure 1 ;
- la figure 3 est une vue de face de la platine d'articulation équipant le dispositif d'équipement de trappe ;
- la figure 4 est une vue en élévation latérale de la figure 3 ;
- la figure 5 est une vue de dessus de la figure 3;
- la figure 6 est une vue de détail et de face du bras auto-bloquant équipant le dispositif d'équipement de trappe ;
- la figure 7 est une vue en élévation latérale de la figure 6;
- les figures 8, 9 et 10 sont des vues, à plus grande échelle, de la partie formant articulation entre le tampon et le cadre du dormant.
- Figure 1 is a front view of a hatch equipment, equipped with improvements according to the invention;
- Figure 2 is a side view of Figure 1;
- Figure 3 is a front view of the hinge plate fitted to the hatch equipment device;
- Figure 4 is a side elevational view of Figure 3;
- Figure 5 is a top view of Figure 3;
- Figure 6 is a detail and front view of the self-locking arm fitted to the hatch equipment device;
- Figure 7 is a side elevational view of Figure 6;
- Figures 8, 9 and 10 are views, on a larger scale, of the part forming a joint between the buffer and the frame of the frame.
Les perfectionnements apportés aux dispositifs d'équipement d'une trappe d'accès aux galeries et ouvrages souterrains de génie civil selon l'invention sont destinés à s'adapter, comme on peut le voir sur les figures 1 et 2, à un cadre 1 ou une armature métallique formant le dormant de la trappe d'accès.The improvements to the devices fitting an access hatch to the galleries and underground civil engineering works according to the invention are intended to adapt, as can be seen in the figures 1 and 2, to a frame 1 or a metal frame forming the frame of the access hatch.
Ce dormant est constitué notamment par des profilés métalliques de section droite classique, particulièrement en L, réunis en leurs extrémités par un procédé de soudage de manière à former un cadre rectangulaire, carré ou triangulaire.This frame consists in particular of profiles metal of classic cross section, particularly in L, joined at their ends by a welding process so as to form a rectangular, square or triangular frame.
Ce cadre est pourvu notamment de pattes latérales faisant saillie, conformant ainsi des pattes de scellement, qui seront noyées dans le revêtement de la chaussée ou dans le massif de béton ou ciment qui forme la chambre souterraine.This frame is provided in particular with lateral legs protruding, thus conforming legs of sealing, which will be embedded in the coating of the pavement or in the concrete or cement block which forms the underground chamber.
En variante, ce cadre dormant peut être rendu solidaire de l'ouverture de la chambre souterraine par tout autre moyen, notamment à l'aide de goujons ou tirants ancrés dans le sol. Alternatively, this sleeping frame can be made integral with the opening of the underground chamber by any other means, in particular using studs or tie rods anchored in the ground.
On prévoit en outre de disposer sur l'un quelconque
des côtés formant le cadre 1 du dormant, au moins
une platine 2 d'articulation : en effet, certaines
chambres souterraines requièrent, compte tenu de
l'importance de leur ouverture, plusieurs vantaux 3
pour leur couverture. Dans ce cas, les platines 2
sont placées en vis-à-vis sur le cadre 1 du
dormant.We also plan to have any
sides forming frame 1 of the frame, at least
a hinge plate 2: indeed, some
underground chambers require, given
the importance of their opening,
Selon encore une autre configuration nécessitant le
recours à plusieurs vantaux 3 pour recouvrir la
chambre, les différents vantaux sont articulés sur
le même bord et les platines 2 correspondantes sont
juxtaposées l'une à côté de l'autre selon un pas
déterminé.According to yet another configuration requiring the
use of
Selon une caractéristique de l'invention, la
platine 2 (se référer aux figures 3, 4 et 5) est
réalisée sous la forme d'une cornière obtenue par
pliage ou soudage d'éléments métalliques, et
comporte sensiblement deux parties 4, 5. La
première partie 4, dont l'épaisseur correspond
sensiblement à celle du profilé formant le dormant
1, est destinée à coopérer au niveau de celui-ci
par l'intermédiaire notamment d'une pluralité
d'orifices 6 qui traversent de part en part la
première partie 4 de ladite platine 2 et qui
autorise le passage de moyens de fixation (vis,
boulons...).According to a characteristic of the invention, the
plate 2 (refer to figures 3, 4 and 5) is
produced in the form of an angle iron obtained by
bending or welding of metallic elements, and
has substantially two
La seconde partie 5 de cette platine 2 est destinée
à prendre appui sur l'une des parois latérales de
la chambre souterraine. De plus, celle-ci 5 est
beaucoup plus massive que la précédente 4 car elle
doit offrir avec la paroi latérale sur laquelle
elle s'appuie une surface de contact nettement plus
importante, de manière à transmettre et répartir
les efforts qui lui seront appliqués.The
On prévoit en outre de disposer sur cette seconde
partie 5 au moins un orifice 7, préférentiellement
oblong de manière à offrir des possibilités de
réglage, cet orifice autorisant le passage d'un
moyen de fixation.We also plan to have on this
En variante (non représentée sur les figures), on prévoit de disposer au niveau du dormant 1 destiné à coopérer sur la partie supérieure de la chambre souterraine, une pluralité de pattes faisant saillie perpendiculairement et s'étendant sur les parois de la chambre. Ces pattes disposent d'au moins un orifice, préférentiellement oblong de manière à offrir des possibilités de réglage du dormant par rapport à la chambre, cet orifice autorisant le passage d'un moyen de fixation.Alternatively (not shown in the figures), we plans to have at the level of the frame 1 intended to cooperate on the upper part of the chamber underground, a plurality of legs making projecting perpendicularly and extending over the walls of the room. These legs have at least minus one orifice, preferably oblong of so as to offer possibilities for adjusting the sleeping relative to the room, this orifice authorizing the passage of a fixing means.
On prévoit également de rapporter sur la paroi
formant la seconde partie 5 de la platine 2, un
moyen 8 constituant support pour au moins un vérin
et/ou un bras ou compas auto-bloquant. Ce moyen 8
formant support fait saillie sensiblement selon un
direction perpendiculaire par rapport à la platine
2 et est dirigé vers l'intérieur de la chambre
souterraine.There are also plans to report on the wall
forming the
En outre, ce support 8 est pourvu d'un orifice 9
qui autorise le passage d'une tige filetée 10 dont
la course est réglable par un système d'écrous
contre écrous, l'une des extrémités de la tige
filetée 10 étant pourvue d'un moyen de coopération
11 (oeillet par exemple) avec l'extrémité du corps
d'un vérin et/ou du compas auto-bloquant. In addition, this
Selon une autre caractéristique de l'invention, on
positionne, notamment par soudage sur la première
partie 4 de la platine 2, des pattes 12 faisant
saillie perpendiculairement et préférentiellement
selon un angle qui dépasse l'angle droit.According to another characteristic of the invention, one
positions, in particular by welding on the first
part 4 of
En effet, ces pattes 12 sont destinées à recevoir
un axe d'articulation 13 sur lequel doit pivoter le
vantail 3.Indeed, these
Grâce à cette disposition, lorsque le tampon ou le
vantail 3 est ouvert, la position de son centre de
gravité dépasse le plan vertical passant par l'axe
d'articulation 13 et est en retrait de celui-ci ;
il faut donc une action positive de l'utilisateur
sur le vantail 3 pour le faire refranchir cette
position qui permet ainsi sa fermeture.Thanks to this arrangement, when the stamp or the
Le vantail 3, qu'il soit maítre ou esclave, est
réalisé sous la forme d'un tampon en fonte
universelle de type notamment à graphite sphéroïdal
(GS).
On réalise cependant, lors de son opération de
fabrication, des aménagements particuliers qui
permettent le montage du tampon 3 sur la platine
d'articulation 2 ainsi que la solidarisation des
accessoires (serrure 14, compas auto-bloquant 15,
vérin 16).However, during its operation,
manufacturing, special arrangements which
allow mounting of
Ainsi, on prévoit sur la face interne du tampon 3
une béquille 17 qui est obtenue, soit directement
lors de l'opération de fabrication, soit
indirectement, et dans ce cas elle est rapportée
lors d'une opération annexe (soudage), et cette
béquille 17 est pourvue de moyens de coopération 18
avec la tige du vérin 16 et/ou l'extrémité du bras
auto-bloquant 15. Thus, provision is made on the internal face of the pad 3
a
On dispose également sur cette même face interne du
tampon 3, au moins une gorge 19 pour recevoir l'axe
d'articulation 13 venant de la platine 2, ainsi que
des ergots 26 à l'arrière de l'articulation qui
viennent prendre appui au niveau de talons 20
positionnés sur la face arrière de la première
partie 4 de la platine 2, ces ergots 26 facilitant
le pivotement du tampon 3 (on se reportera aux
figures 8, 9 et 10).We also have on this same internal face the
En effet, dès l'ouverture du tampon, les ergots 26
viennent s'appuyer sur les talons 20 fixés sur la
platine 2, agissant ainsi à la manière d'une came
afin de pouvoir soulever le tampon et de rapprocher
ainsi l'axe d'articulation 13 de la face interne du
tampon, diminuant ainsi d'une part le rayon
d'articulation, et d'autre part les frottements du
tampon par rapport au cadre 1 du dormant.As soon as the tampon opens, the
Lors de la fermeture, les ergots 26 jouent le même
rôle en sens inverse ; de plus, lorsque le tampon
est en position fermée sur le dormant formant le
cadre 1, aucun des éléments participant à
l'articulation du tampon n'est alors soumis aux
efforts mécaniques appliqués sur la face externe du
tampon, en raison de la présence de ces ergots 26.When closing, the
On prévoit également de disposer un certain nombre
de bossages 21 qui permettent la fixation de
plaquettes bloquant l'axe d'articulation 13 dans la
gorge 19.There are also plans to have a
Selon encore une autre caractéristique de
l'invention, on relie éventuellement la platine
d'articulation 2 au tampon 3 par l'intermédiaire
d'un bras auto-bloquant 15. Celui-ci, placé selon
une direction coplanaire au(x) vérin(s)
d'assistance à l'ouverture, est réalisé dans un
barreau métallique (cf. figures 6 et 7). Ce dernier
comporte, d'une part à l'une de ses extrémités un
orifice 22 qui coopère avec l'extrémité de la tige
filetée 10 reliée à la platine d'articulation 2, et
d'autre part une lumière 23 dans laquelle peut se
déplacer un téton 24 faisant saillie sur la
béquille 17 prévue sur la face interne du tampon 3,
cette lumière 23 se terminant par une oreille 25
dans laquelle vient se loger ledit téton 24 lorsque
le tampon 3 est en position d'ouverture, de manière
à réaliser son blocage.According to yet another characteristic of
the invention, possibly connecting the
L'association éventuelle d'au moins un vérin 16
avec un bras auto-bloquant 15 conforme un
dispositif de facilitation d'ouverture qui,
lorsqu'il est monté sur ladite platine 2 de manière
à relier celle-ci à au moins un vantail 3, permet,
outre sa fonction première qui est de faciliter
l'ouverture de l'ouvrant sans effort excessif par
un unique utilisateur et ce dans des conditions
optimales de sécurité (présence de l'oreille 25 sur
le bras auto-bloquant 15, position relative entre
l'ouvrant et la patte de fixation), permet
également le montage de l'ensemble dans des
configurations neuves ou de réhabilitation.The possible association of at least one
En effet, les perfectionnements apportés comportent des dispositifs qui permettent le réglage des jeux selon deux directions :
- selon la direction a (cf. figure 2), par la
présence d'orifices 6, 7, 9, sur la platine 2, qui
permettent, d'une part la liaison avec le cadre 1,
et d'autre part, la présence de jeu avec chaque
tampon 3 ; - selon la direction b (cf. figure 1), par la présence de la tige filetée 10, qui assure à la fois une compensation des jeux et une compression du vérin.
- in direction a (cf. FIG. 2), by the presence of
6, 7, 9, on theorifices plate 2, which allow, on the one hand the connection with the frame 1, and on the other hand, the presence play with eachpad 3; - in direction b (cf. FIG. 1), by the presence of the threaded
rod 10, which provides both compensation for play and compression of the jack.
On prévoit également de décaler latéralement le
moyen support 8 par rapport à l'axe médian du
tampon 3, de manière à permettre le montage du
moyen d'assistance à l'ouverture (vérin) selon cet
axe.There are also plans to laterally shift the
support means 8 with respect to the median axis of the
Il demeure bien entendu que la présente invention n'est pas limitée aux exemples de réalisation décrits et représentés ci-dessus, mais qu'elle en englobe toutes les variantes comprises dans le cadre des revendications annexées.It remains of course that the present invention is not limited to exemplary embodiments described and represented above, but that it includes all variants included within the scope of the appended claims.
Claims (8)
- Device for fitting to an access hatch leading to underground civil engineering tunnels and works, constituted by at least one leaf (3), characterized in that it includes the said at least one leaf and, intended to be mounted on any one of the sides forming the frame (1) of a ground beam, at least one hinge plate (2) resting on one of the side walls of the underground chamber, this plate (2) being fitted on the one hand with a hinge bolt (13) and a support means (8) that is connected to a device facilitating opening, allowing the said at least one leaf (3) to open and close, the inner face of the leaf (3) containing a channel (19) for receiving the hinge bolt (13) coming from the plate (2), as well as pins (26) at the rear of the hinge bolt (13) which come to rest at projections (20) positioned on the rear face of the plate (2), these pins (26) facilitating the pivoting of the leaf (3).
- Device according to claim 1, characterized in that the plate (2) is made in the form of an angle iron obtained by bending or welding of metal elements, and basically comprises two parts (4, 5), the first part (4) being intended to cooperate at the ground beam via, in particular, a plurality of orifices (6), the second part (5) of this plate (2) having at least one orifice (7), preferably oblong so as to offer possibilities of adjustment, the said orifice (7) permitting the passage of a fixing means.
- Device according to one of claims 1 or 2, characterized in that the support (8) is provided with an orifice (9) which permits the passage of a threaded rod (10) the operation of which is able to be adjusted by a system of nuts and lock nuts, one of the ends of the threaded rod (10) being provided with a means of cooperation (11) with the end of the device facilitating opening.
- Device according to any one of the previous claims, characterized in that the plate (2) contains tabs (12) projecting perpendicularly and preferably at an angle that exceeds a right angle, these tabs supporting the hinge bolt (13).
- Device according to any one of the previous claims, characterized in that the inner face of the leaf (3) contains special arrangements which allow the mounting of the leaf (3) on the hinge plate (2) as well as the integration of accessories (14, 15, 16).
- Device according to any one of the previous claims, characterized in that the inner face of the leaf (3) contains a stay (17) which is provided with means for cooperating (18) with the rod of at least one cylinder (16) and/or the end of a self-locking arm (15), forming the device facilitating opening.
- Device according to any one of the previous claims, characterized in that the self-locking arm (15) contains, on the one hand at one of its ends an orifice (22) which cooperates with the end of a threaded rod (10) linked to the hinge plate (2) and on the other hand a slot (23) in which there can move a dog-point (24) projecting onto the stay (17), this slot (23) ending in an eye (25) in which the said dog-point comes to be housed when the leaf (3) is in the opened position, so as to realize the locking of same.
- Device according to any one of the previous claims, characterized in that it is mounted on a ground beam (1) which is fitted with a plurality of tabs projecting perpendicularly and extending over the walls of the chamber, these tabs having at least one orifice, preferably oblong so as to offer possibilities of adjusting the ground beam relative to the chamber, the said orifice allowing the passage of a fixing means.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9816260 | 1998-12-22 | ||
FR9816260A FR2787476B1 (en) | 1998-12-22 | 1998-12-22 | IMPROVEMENTS MADE TO A DEVICE FOR LOCKING AN ACCESS HATCH TO GALLERIES AND UNDERGROUND CIVIL ENGINEERING WORKS, CONSISTING OF AT LEAST ONE LEAF |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1013833A1 EP1013833A1 (en) | 2000-06-28 |
EP1013833B1 true EP1013833B1 (en) | 2004-10-06 |
Family
ID=9534343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99403221A Expired - Lifetime EP1013833B1 (en) | 1998-12-22 | 1999-12-20 | Fitting apparatus of an acess trap to underground civil engineering building works |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1013833B1 (en) |
AT (1) | ATE278844T1 (en) |
DE (1) | DE69920854T2 (en) |
ES (1) | ES2229647T3 (en) |
FR (1) | FR2787476B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2940986B1 (en) | 2009-01-15 | 2011-01-07 | Saint Gobain Pont A Mousson | JOINT ASSEMBLY AND CORRESPONDING ROAD DEVICE |
FR2943359B1 (en) * | 2009-03-18 | 2016-01-22 | Norinco | SAFETY DEVICE FOR AT LEAST ONE BUFFER, IN PARTICULAR A PAVEMENT LOOK |
RU2503815C1 (en) * | 2012-07-18 | 2014-01-10 | Общество с ограниченной ответственностью "Центр ультразвуковых технологий АлтГТУ" | Ultrasonic drag head |
WO2022153008A1 (en) * | 2021-01-18 | 2022-07-21 | Ej Emea | Device for accessing an underground facility, comprising an adjustable assistance cylinder |
FR3118975A1 (en) * | 2021-01-18 | 2022-07-22 | Ej Emea | Device for access to an underground installation comprising an adjustable assistance jack |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB897553A (en) * | 1959-11-26 | 1962-05-30 | Broads Mfg Company Ltd | Counterbalanced access cover |
US3999245A (en) * | 1975-07-10 | 1976-12-28 | Sico Incorporated | Counterbalance hinge for pivoting loads |
US4266380A (en) * | 1979-02-09 | 1981-05-12 | Christy Concrete Products, Inc. | High strength cover for underground utility box |
DE4100307A1 (en) * | 1991-01-08 | 1992-07-09 | Passavant Werke | Rectangular shaft cover - has hinged cover, and larger-size frame sections |
DE4208453C2 (en) * | 1992-03-17 | 1996-02-22 | Passavant Werke | Manhole cover with a circular manhole cover with a hinge |
US5465862A (en) * | 1994-08-25 | 1995-11-14 | Dabico, Inc. | Aircraft servicing pit lid with lift control |
FR2758836B1 (en) * | 1997-01-30 | 1999-03-05 | Norinco | DEVICE FOR LOCKING A BUFFER WITH ARTICULATED MOUNTING ON A FRAME |
-
1998
- 1998-12-22 FR FR9816260A patent/FR2787476B1/en not_active Expired - Fee Related
-
1999
- 1999-12-20 ES ES99403221T patent/ES2229647T3/en not_active Expired - Lifetime
- 1999-12-20 AT AT99403221T patent/ATE278844T1/en not_active IP Right Cessation
- 1999-12-20 EP EP99403221A patent/EP1013833B1/en not_active Expired - Lifetime
- 1999-12-20 DE DE69920854T patent/DE69920854T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69920854D1 (en) | 2004-11-11 |
ATE278844T1 (en) | 2004-10-15 |
EP1013833A1 (en) | 2000-06-28 |
ES2229647T3 (en) | 2005-04-16 |
DE69920854T2 (en) | 2005-10-20 |
FR2787476A1 (en) | 2000-06-23 |
FR2787476B1 (en) | 2001-03-02 |
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