EP2710207B1 - Device for at least partially closing off a cavity that is open at the top - Google Patents
Device for at least partially closing off a cavity that is open at the top Download PDFInfo
- Publication number
- EP2710207B1 EP2710207B1 EP12728648.2A EP12728648A EP2710207B1 EP 2710207 B1 EP2710207 B1 EP 2710207B1 EP 12728648 A EP12728648 A EP 12728648A EP 2710207 B1 EP2710207 B1 EP 2710207B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panels
- panel
- cavity
- stack
- elastically deformable
- 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.)
- Active
Links
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/26—Suspension arrangements for wings for folding wings
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- 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
- E04H4/00—Swimming or splash baths or pools
- E04H4/06—Safety devices; Coverings for baths
- E04H4/08—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements
- E04H4/082—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements composed of flexibly or hingedly-connected slat-like elements, which may or may not be wound-up on a fixed axis
-
- 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
- E04H4/00—Swimming or splash baths or pools
- E04H4/06—Safety devices; Coverings for baths
- E04H4/08—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements
- E04H4/086—Sliding covers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
- E05D15/0652—Tracks
Definitions
- the present invention relates to a device for closing at least partially a cavity, of the pit or basin type, open from above, in particular to prevent a fall inside said cavity,
- the invention more particularly relates to a device for at least partial closure of a cavity open from above, said device comprising a set of panels capable of forming a blanking cover of the opening of the cavity and support means cover for supporting said panels when they are deployed to form said blanket shutter.
- the invention also relates to an installation, particularly for the repair of machinery, of the type comprising at least one cavity and a device for closing the opening of the cavity of the aforementioned type.
- Such pits are formed of a cavity, of generally parallelepipedal shape, dug in the ground, of width less than that of the vehicles to be repaired, so that they can be positioned above the pit along the longitudinal axis of the latter. Outside of their period of use, it is necessary, for obvious safety reasons, to seal the opening of these pits that are usually made by placing on them a series of panels, bastaings or beams transverse edges whose respective edges are applied against each other in order to achieve a continuous sealing surface along the entire length of the pit.
- shutter devices configured to allow closing and automatic opening, or semi-automatic, this type of pit.
- devices that include a metal curtain system sliding in longitudinal rails and driven by motorized mechanisms.
- the document FR-2843152 relates to a cover device comprising drive means that allow to deploy panels attached to each other.
- the document GB-2,060,754 describes a cover deployment system consisting of laths that wrap around a winch.
- the document EP-1619346 describes a set of two articulated rolling shutter apron blades, one of the blades comprising a groove in which is articulated the second blade.
- WO 2010/063912 describes a shelter for pleasure pool, formed of roof elements, capable of passing from an extended position where the roof elements are arranged juxtaposed and where the pool is covered, to a stacked position where the roof elements are arranged one above the other.
- the present invention aims to provide a closure device whose design allows a closure and a clearance of the opening of the cavity in a simple manner, with a limited number of manipulations for the operator, and without it has to provide too much effort to close or release the opening of the pit.
- Another object of the invention is to provide a closure device whose design allows to close and clear the opening of the cavity without the need for motorization, and for which the efforts required for the handling of the sealing means are reduced.
- an object of the invention is to allow the operator to deploy and retract the closing means of the closure device while maintaining during each of these operations substantially the same working position and while limiting the efforts to provide.
- the subject of the invention is a device for closing at least partially an open cavity from above, said device comprising a set of panels able to form an at least partial closure cover of said cavity and cover support means for supporting said panels when they are deployed to form said blanket.
- Each panel has connecting means to the adjacent panel (s) to allow said set of panels to pass from a stacked configuration in which they are superimposed on each other to at least partially release the opening of said cavity, to an expanded configuration in which the panels of at least a portion of said set of panels extend in line with one another in supporting said cover supporting means to form said blanket shutter, and vice versa.
- Said shutter device comprises elastically deformable means capable of being compressed by said panels in a stacked configuration of said set of panels.
- Said elastically deformable means make it possible to adjust the position of the stack of panels according to the stacked configuration of said panels or deployed of at least a portion of said panels.
- the closure device and, in particular, said elastically deformable means are intended to be housed inside the cavity.
- said elastically deformable means are less compressed, which raises the stack and thus allows to bring the top panel of the stack, which corresponds to the panel previously located under the one just removed of the stack, the opening of the cavity and therefore the operator.
- the reading of the stack thus makes it possible at least partially to compensate for the drop in height of the stack resulting from the removal of a panel.
- the elastically deformable means are further compressed, which lowers the panel which has just been stacked by a certain height, said height of depression being at least partially compensated by the height corresponding to the thickness of the panel, which allows the operator not to have to significantly change his working position.
- a panel When it is specified that a panel is removed or removed from the stack, said panel is of course bound by its connecting means to adjacent panels, in particular to the neighboring panel which then forms the top of the stack. Said panel is considered withdrawn, removed or deployed, when its weight is taken up by the operator or by the cover support means, that is to say when its weight is no longer taken up by said elastically deformable means. Conversely, when a panel is put back into the stack, its weight is taken up by the elastically deformable means, by through a support plate as detailed below, and no longer by said cover support means. Said elastically deformable means are positioned vertically and below the location occupied by the panels in the stacked state.
- the stiffness of said elastically deformable means is chosen as a function of the thickness and mass of the panels, so that the top of the stack of panels, or the top of the panel, which exerts a force of support on the elastically deformable means, is located at a substantially constant height both in stacked configuration of said panels in deployed configuration of at least a portion of the panels when the weight of said at least a portion of the panels is taken up by said means cover support.
- Said elastically deformable means thus make it possible to maintain the top of the stack at a substantially constant level, which facilitates the shutter and release operations of the opening of the cavity for the operator.
- the top of the stack corresponds to the upper panel of the stack that the operator must grasp to deploy the panels on said cover support means to at least partially close the opening of the pit, or, conversely, to the panel upper stack on which the operator must stack the panels of the cover to release at least partially the opening of the pit.
- the operator who wishes to close at least partially the opening of the pit can enter the top panel of the stack and bring it, through its connecting means to the other panels on the cover support means.
- the weight of the panel removed from the stack being taken up by the cover support means, the stack of panels is lightened by the weight of a panel so that, by balancing the restoring force, the elastically deformable means and the remaining weight of the battery, the means elastically deformable raise the stack a height corresponding to the thickness of the panel removed from the stack.
- the top of the stack is maintained at a substantially constant height, preferably close to the height or level of the support means, themselves advantageously located near the opening plane of the cavity, so that the panel which The top of the stack can be easily removed from the stack and fed to said cover support means to increase the length of coverage that rests on said cover support means.
- the elastically deformable means are packed under the weight of the stack of panels on a height corresponding to the height of the stack.
- the operator unfolds a portion of the set of panels to form a blanking cover in support of the means of cover support, the elastically deformable means are raised over a distance corresponding to the cumulative thickness of the unfolded panels whose weight is taken up by said longitudinal support means and no longer by the elastically deformable means.
- the deformation step of the elastically deformable means corresponding to the expansion stroke or compression of said elastically deformable means during the passage of a state panel bearing on said resiliently deformable means in the state resting on ways coverage support, or conversely, is substantially equal to the thickness of the panel.
- the top of the stack being thus located substantially at the same level regardless of the number of panels removed from the stack to form the blanket shutter, the operator can easily stack or deploy the panels without the level of the top of the stack increases or decreases, which allows it to maintain substantially the same working position throughout each of the shutter operations and clearance of the opening from above the cavity.
- Such a maintenance of the top of the stack at a substantially constant level, in particular near the cover support means also makes it possible to limit the parasitic forces that may appear during the displacement of the panels of the panel covering on the support means longitudinal operations during the operation of deploying the panels or stacking said panels.
- said panels have substantially the same thickness and the same mass from one panel to another.
- each panel of said set of panels has a thickness and a mass substantially equal to the thickness and mass of each of the other panels of said set of panels.
- the elastically deformable means have a stiffness, expressed in daN (decanewton) per mm (millimeter), substantially equal to the mass of a panel, expressed in Kg (kilogram), divided by its thickness, expressed in mm (mm).
- the elastically deformable means, and therefore the stack are, thanks to the weight reduction of the pile, raised by a height corresponding to the thickness of the panel removed so that the top of the stack stays at the same level.
- the elastically deformable means and therefore the stack are lowered, under the weight of the added panel, by a height corresponding to the thickness of the panel added so that the top of the stack stays at the same level.
- said panel connecting means are configured to allow an accordion folding of the panels.
- At least a portion of the panels comprises rolling and / or sliding means able to roll and / or slide on said blanking cover support means, such as rails, arranged on or near two opposite side walls of the cavity.
- Said operator can thus be positioned at the edge of the cavity, substantially in line with the area of the cavity, which houses the panels in a stacked configuration of said panels, and, to at least partially close the top opening of the cavity, enter the top panel of the stack and bring it into or on said cover support means.
- the operator may, while remaining in the same working position, enter the next panel which forms the top of the stack, to bring it into or on said cover support means, which pushes the previously deployed panel along said rolling and / or sliding cover support means.
- said rolling and / or sliding means comprise on each lateral edge of each of said panels equipped with rolling and / or sliding means, two rolling and / or sliding members each spaced apart from the end edge of the most close to said member a distance different from that separating the other rolling member and / or sliding the end edge of the panel closest to said other member.
- Said edges of each panel may also be called songs.
- said connecting means of at least each of the panels which are situated between two other panels comprise two articulation elements which equip, one, an edge, said front edge, of the panel and, the other, the opposite edge, said rear edge of said panel, and the two hinge elements of said panel are distributed on either side of the average plane of the panel.
- said device comprises guiding means for guiding the deformation of the elastically deformable means.
- said device also comprises a support plate adapted to support the set of panels in the stacked state of said panels, said support plate being coupled to the elastically deformable means.
- Said support plate provides a support surface to the stack of panels that keeps each panel substantially horizontal, that is to say substantially parallel to the opening of the cavity. Indeed, said plate extends substantially horizontally.
- said support plate is provided with connecting means, preferably hinge means, for linking to said support plate the panel which forms the underside of the stack of panels, and said support plate also comprises a support zone which protrudes from the plate to a height substantially equal to the height of projection of the connecting means which equip the support plate, so as to keep the panel from below the panel stack substantially parallel to the support plate.
- the invention also relates to an installation comprising a cavity, preferably of the pit type, and a closure device as described above, characterized in that said support means extend, at least partially, substantially horizontally, on or near two opposite side walls of the cavity, preferably on or near their free edge, which define the opening of the cavity.
- Said cover support means are adapted to support and guide at least a portion of the panels of the panel assembly during the deployment of said panels along said cover support means.
- said cover support means comprise at least two rails fixed on or to proximity to said opposite side walls of the cavity, preferably parallel to and near the free edges of said opposite side walls, extending facing each other, substantially horizontally, and on which the panels of at least one part of the set of panels are able, in deployed configuration, to rest by their side edges.
- said closure device is housed at least partially, preferably entirely, inside the cavity, and preferably near an end wall of the cavity which connects between they said opposite side walls of the cavity.
- the elastically deformable means are located in the cavity.
- the stack of panels of the closure device is housed inside the cavity.
- the invention relates to a device for closing at least partially a cavity 1 open from above.
- said cavity is formed by a workshop pit in the form of a buried cavity of generally parallelepipedal shape delimited by two lateral edges 100 and two end edges 110.
- the lateral edges 100 and edges of end 110 respectively correspond to the free edges of the side walls 10 and the end walls 11 of the cavity.
- the end edges 110 are generally provided with stairs to allow access to the interior of the pit.
- the device could have equivalently applied to a pool, such as a pool or other pool.
- Said closure device comprises a set of panels 3 adapted to form a cover for closing at least partially the opening of the cavity, and cover support means 13 intended to be positioned on or near the upper edges 100 two opposite side walls 10 of the cavity 1 to allow to support and preferably guide said panels when they are deployed to form said cover.
- the panel covering is intended to extend, in the deployed state, from or near an end wall towards the other end wall of the cavity 1, along the side walls of the cavity and between said side walls so as to at least partially close the top opening of the cavity.
- Said panels also called slabs, can be made of aluminum.
- closure device The purpose of such a closure device is to prevent a fall inside the cavity, especially during periods of non-use of the cavity and to be able to use the panels that form the shutter cover as a floor of circulation.
- said support means 13 cover extend at least in part substantially parallel to the upper edges 100 of said side walls 10 which delimit between them and with the walls 11 opposite end which connect said side walls 10, said opening from above the cavity.
- the cavity is elongate in shape so that the opposite side walls extend along the longitudinal axis and thus form the longitudinal walls of the cavity.
- an end portion of said cover support means 13 may be inclined to form a ramp 130 to facilitate the deployment of the panels on the support means 13 cover.
- the panel removed from the stack can be brought onto the ramp 130 and then pushed to reach the remaining horizontal portion of the cover support means.
- the ramp facilitates the folding of the panels on the stack.
- each panel has connection means 3A, 3B to neighboring panels 3 to allow said set of panels 3 to pass from a stacked configuration in which they are superimposed on each other to release at least partially opening of said cavity 1, to an expanded configuration in which the panels of at least a portion of said set of panels 3 extend in line with each other in support of said cover support means 13 to form a cover able to partially close said opening of the cavity 1, and vice versa.
- the panels that are removed from the stack to form a blanket resting along the support means 13 cover remain connected to the other panels or at the last panel of the stack by their connecting means 3A, 3B.
- Said closure device comprises elastically deformable means 4 which are compressed by said panels in a stacked configuration of said panel assembly 3.
- said elastically deformable means are also compressed, but more weakly, in the deployed configuration of the panels of the at least the support plate 23 of the stack remains supported on the means 4 elastically deformable. It is also possible that the bottom panel of the stack remains at least partially supported on said support plate to which it is linked as detailed below.
- Said elastically deformable means 4 extend vertically, that is to say substantially orthogonal to the bottom wall of the cavity. Said elastically deformable means 4 deform vertically according to the weight of the stack of panels.
- Said elastically deformable means 4 are formed by one or more springs biased in compression by the weight of the panels as a function of the stacked or unfolded configuration of said panels.
- the stiffness of said elastically deformable means 4 corresponds to the ratio between the force variation, in this case weight, experienced by said elastically deformable means and the corresponding deformation length of said elastically deformable means.
- the stiffness of said elastically deformable means 4 is chosen according to the thickness and the mass of the panels 3, so that the top of the stack of panels, or the top of the panel (in the case where all the other panels are deployed), which exerts a support force on the means 4 elastically deformable, is located at a substantially constant height both in stacked configuration of said panels in deployed configuration of at least a portion of the panels when the weight of these panels deployed is taken up by said support means 13 cover.
- the elastically deformable means 4 have a stiffness substantially equal to the mass of a panel 3 divided by its thickness.
- the stiffness of the elastically deformable means is expressed in daN / mm.
- Said elastically deformable means 4 are deformed as a function of the compressive force which they undergo in a substantially linear manner for a range of effort varying from a minimum value corresponding to a complete unfolding of the panels of the stack, to a maximum value corresponding to a stacked configuration of all the panels one on the other bearing on the means 4 elastically deformable via the support plate 23.
- the support plate 23, and thus said elastically deformable means 4 still support the weight of the bottom panel of the stack, but the weight of the other panels is taken up by the cover support means 13 along which said panels are deployed in the extension of each other.
- the deployment or stacking of the panels can be done in similar conditions in terms of layout and weight of each of the panels to be handled at any time during the maneuver.
- Said elastically deformable means thus form resiliently deformable return means 4 making it possible to return the top of the stack of panels to a given level.
- the closure device and in particular said elastically deformable means are located in the cavity, near or against an end wall 11 of the cavity.
- said closure device comprises a frame 20 detailed below which forms a storing magazine of the panel stack. Said frame 20 rests on the bottom wall of the cavity. Said frame 20 is advantageously fixed on the end wall against or near which it extends.
- Said support means 13 make it possible to position the panels forming the closure cover in, or close to, the cavity 1, preferably along the upper edges of the two opposite side walls which define the opening of said cavity 1.
- the support means 13 extend substantially horizontally and substantially parallel and, preferably, close to the upper edges of the two opposite side walls of the cavity 1 along which is intended to be deployed the cover panels to seal at least partially opening from above the cavity.
- said support means 13 comprise at least two rails fixed on said opposite side walls 10 of the cavity extending facing each other, substantially horizontally and over which, or at within which, the panels 3 of at least a portion of the set of panels are adapted, in deployed configuration, to rest by their side edges.
- Said opposite side walls of the cavity on which the rails are formed are the walls which extend in an average plane parallel to the longitudinal axis of the panel cover in the unfolded state of said panels.
- the blanket of panels intended to close at least partially the opening of the cavity extends in the opening plane of said cavity, either slightly above or below said plane.
- it When it extends below said opening plane of the cavity, it is disposed inside the cavity, as well as when it extends in said opening plane.
- it When it is disposed above the opening plane of the cavity, it is positioned for example along a longitudinal edge of the cavity or in the middle of the cavity and closes the cavity by covering its opening.
- Said return means 4 are formed in the example illustrated in the figures by a spring which has two opposite ends, one of which, said upper end, is located on the side of the panels.
- said upper end is equipped with a support plate 23 capable of supporting the stack of panels 3.
- the other so-called lower end is fixed with respect to the cavity 1.
- said end bottom is attached to a fixed base member 24 of a frame 20 located within the cavity.
- said structure is fixed inside the cavity.
- Said building forms a store for the panels, that is to say a panel storage structure.
- Said device comprises guiding means 234 for guiding the deformation of the resiliently deformable return means 4.
- Said guide means comprise at least one column 234, preferably two parallel columns 234, along which slidably mounted said support plate 23 of the panel stack.
- Said columns are integral with the frame 20 and extend substantially vertically.
- Said support plate is connected by its lower face, opposite its upper face facing the stack of panels, at the upper end of said resiliently deformable return means 4.
- the articulation means 3A, 3B of the panels are configured so as to allow the passage of said set of panels from the stacked configuration to the deployed configuration, and vice versa, by unfolding the panels of the stack or folding them accordion.
- panels to stack are alternately rotated in one direction and the other with respect to the panels on which they are superimposed.
- Each panel 3 has two opposite edges, said front and rear, or end edges, interconnected by two side edges.
- the hinge means 30 of at least each of the panels 3 located between two other panels comprise at least two hinge elements 3A, 3B arranged one on the, or near the front edge of the panel and the other on, or near, the opposite rear edge of the panel.
- Each hinge member 3A, 3B of a panel is adapted to cooperate with a hinge member 3B, 3A of another panel.
- the two articulation elements 3A, 3B of each of said panels are distributed on either side of the average plane of the panel 3.
- the one 3A of the hinge elements 3A, 3B extends on the side of one face of the panel, at least partially projecting from said face, and the other hinge element 3B on the side of the face opposite said panel, at least partially projecting from said opposite face.
- Each of the hinge elements 3A, 3B also extends projecting from the front or rear edge of the panel 3 that it equips.
- Each hinge member 3A, 3B is a hinge-type member adapted to cooperate with another hinge member 3B, 3A to form a hinge connection.
- the panels can pivot relative to each other thanks to said hinge connections and can thus be folded over each other accordion to form a stack of panels.
- the fact of being able to retract the cover of panels by stacking them on each other, simply by folding them in accordion, is an operation easy and quick to realize which requires only little effort for the operator, especially than the top of the stack on which the operator must fold a panel retains its height during stacking by the elastically deformable return means.
- the formation of such a stack of panels makes it possible to limit the bulk of these panels in the open state of the opening of the cavity, in particular when the stack extends into the cavity flush or under the plane. opening of the cavity.
- At least a part of said panels 3 also comprises rolling and / or sliding means 30 able to roll and / or slide on or in said cover support rails 13 formed on or near two opposite side walls of the cavity 1
- each of the panels is equipped with such rolling and / or sliding means 30.
- the rolling and / or sliding means 30 are formed, in the solution as illustrated in the figures, by rollers which equip each of the lateral edges of the panels concerned.
- each side edge of a panel is provided with two rollers spaced relative to each other.
- Such rollers allow the panels to roll without effort in the rails preferably fixed along the side walls of the cavity, preferably near the upper edges of said cavity.
- each of the two rollers that equip each side edge of the panel is spaced from the end edge of the panel closest to a distance different from the distance separating the other roller from the corresponding end edge of the panel. that is to say the end edge of the panel closest to said other roller.
- rollers on each of the side edges of a panel are coaxial with the rollers on the other opposite side edge of said panel.
- Each of said rails has a cross section in U or C, open to the other rail, inside which can be introduced the rolling means and / or sliding 30 panels in expanded configuration thereof.
- Said support plate 23 is provided, on its side facing the panels 3, connecting means 231, preferably hinge means, for linking to said support plate 23 the panel 3 which forms the underside of the stack of panels 3
- connecting means 231, preferably hinge means for linking to said support plate 23 the panel 3 which forms the underside of the stack of panels 3
- Said linking means preferably of the hinge type, make it possible to couple the underside of the stack of panels to the support plate 23 and to offer a certain degree of freedom to the bottom panel of the stack with respect to the support plate 23 of the stack, which may be advantageous when all of the panels is deployed to form the panel cover and the bottom panel of the stack must bow relative to the support plate 23 to follow the general line of the cover .
- said support plate 23 also comprises a support zone 230, spaced apart from the articulation means 231 of the support plate, which projects from the plate over a height substantially equal to the projection height of the connecting means 231 which equip the support plate, so as to maintain the panel 13 from below the panel stack substantially parallel to the support plate 23, that is to say substantially horizontal.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Stackable Containers (AREA)
- Extensible Doors And Revolving Doors (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Description
La présente invention concerne un dispositif d'obturation au moins partielle d'une cavité, du genre fosse ou bassin, ouverte par le dessus, notamment pour empêcher une chute à l'intérieur de ladite cavité,The present invention relates to a device for closing at least partially a cavity, of the pit or basin type, open from above, in particular to prevent a fall inside said cavity,
L'invention concerne plus particulièrement un dispositif d'obturation au moins partielle d'une cavité ouverte par le dessus, ledit dispositif comprenant un ensemble de panneaux aptes à former une couverture d'obturation de l'ouverture de la cavité et des moyens de support de couverture permettant de supporter lesdits panneaux lorsque ceux-ci sont déployés pour former ladite couverture d'obturation.The invention more particularly relates to a device for at least partial closure of a cavity open from above, said device comprising a set of panels capable of forming a blanking cover of the opening of the cavity and support means cover for supporting said panels when they are deployed to form said blanket shutter.
L'invention concerne également une installation, notamment pour la réparation d'engin, du type comprenant au moins une cavité et un dispositif d'obturation de l'ouverture de la cavité du type précité.The invention also relates to an installation, particularly for the repair of machinery, of the type comprising at least one cavity and a device for closing the opening of the cavity of the aforementioned type.
Des dispositifs destinés à assurer la fermeture, pendant leur période de non utilisation, de fosse de travail du type de celle utilisée en mécanique pour assurer la réparation des véhicules, sont bien connus à ceux versés dans cet art.Devices for closing, during their period of non-use, a working pit of the type used in mechanics for the repair of vehicles, are well known to those skilled in the art.
De telles fosses sont formées d'une cavité, de forme généralement parallélépipédique, creusée dans le sol, de largeur inférieure à celle des véhicules à réparer, de façon que ceux-ci puissent se positionner au-dessus de la fosse suivant l'axe longitudinal de cette dernière. En dehors de leur période d'utilisation, on doit, pour des raisons de sécurité évidentes, assurer l'obturation de l'ouverture de ces fosses que l'on réalise habituellement en disposant sur celles-ci une série de panneaux, bastaings ou poutres transversales dont les chants respectifs sont appliqués les uns contre les autres afin de réaliser une surface d'obturation continue sur toute la longueur de la fosse.Such pits are formed of a cavity, of generally parallelepipedal shape, dug in the ground, of width less than that of the vehicles to be repaired, so that they can be positioned above the pit along the longitudinal axis of the latter. Outside of their period of use, it is necessary, for obvious safety reasons, to seal the opening of these pits that are usually made by placing on them a series of panels, bastaings or beams transverse edges whose respective edges are applied against each other in order to achieve a continuous sealing surface along the entire length of the pit.
La mise en place de ces panneaux un à un est fastidieuse et peu fiable. En effet, à partir d'une pile de panneaux à positionner, l'opérateur doit adapter sa position de travail pour chaque panneau à manutentionner puisque la hauteur de la pile baisse au fur et à mesure que l'opérateur positionne les panneaux le long de l'ouverture de la fosse. L'opérateur doit ainsi se courber de plus en plus pour saisir les panneaux en vue de les positionner le long de l'ouverture ou à l'inverse se redresser de plus en plus pour empiler les panneaux lors d'une opération de dégagement de l'ouverture de la fosse. En outre, l'opérateur doit se déplacer le long de l'ouverture pour positionner lesdits panneaux. Une telle solution ne permet donc pas d'obturer et de libérer l'ouverture de la fosse de manière rapide avec un nombre limité de manipulations. Une telle solution ne permet pas non plus de garantir une mise en place correcte desdits panneaux.The installation of these panels one by one is tedious and unreliable. Indeed, from a stack of panels to be positioned, the operator must adapt his working position for each panel to handle since the height of the stack decreases as the operator positions the panels along the opening of the pit. The operator must thus bend more and more to grasp the panels in order to position them along the opening or conversely to straighten up more and more to stack the panels during a release operation. opening of the pit. In addition, the operator must move along the opening to position said panels. Such a solution does not allow to close and release the opening of the pit quickly with a limited number of manipulations. Such a solution does not allow to guarantee a correct placement of said panels.
Ainsi, avec une telle solution, l'opérateur doit changer en permanence sa position de travail, ce qui se révèle fastidieux et fatiguant. En particulier, une telle solution ne permet pas à l'opérateur de conserver une position de travail donnée pour empiler et déployer lesdits panneaux avec un minimum d'efforts.Thus, with such a solution, the operator must constantly change his working position, which is tedious and tiring. In particular, such a solution does not allow the operator to maintain a given working position to stack and deploy said panels with minimal effort.
On connait également de l'état de la technique des dispositifs d'obturation configurés pour permettre la fermeture et l'ouverture automatique, ou semi-automatique, de ce type de fosse. En particulier, il existe des dispositifs qui comprennent un système de rideau métallique coulissant dans des rails longitudinaux et entraîné par des mécanismes motorisés.Also known from the state of the art shutter devices configured to allow closing and automatic opening, or semi-automatic, this type of pit. In particular, there are devices that include a metal curtain system sliding in longitudinal rails and driven by motorized mechanisms.
La motorisation de ces dispositifs d'obturation permet de rendre la manoeuvre d'obturation et de libération de l'ouverture de la cavité simple et sans effort, mais, on constate qu'un tel système de rideau métallique coulissant associé à une motorisation se révèle coûteux et peu fiable, en particulier pour un rideau métallique de grande longueur. En effet, la motorisation d'un rideau métallique coulissant de grande longueur est soumise à des efforts de frottement importants le plus souvent accompagnés d'efforts parasites occasionnés par les imperfections du dispositif. Un tel dispositif muni d'une motorisation risque alors de se bloquer et de s'endommager.The motorization of these shutter devices makes it possible to make the operation of closing and release the opening of the cavity simple and effortless, but it is found that such a sliding metal curtain system associated with a motorization is revealed. expensive and unreliable, especially for a metal curtain of great length. Indeed, the motorization of a sliding metal curtain of great length is subjected to frictional forces important often accompanied by stresses caused by the imperfections of the device. Such a device with a motorization may then hang and get damaged.
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La présente invention a pour but de proposer un dispositif d'obturation dont la conception permet une obturation et un dégagement de l'ouverture de la cavité de façon simple, avec un nombre limité de manipulations pour l'opérateur, et sans que celui-ci ait à fournir des efforts trop importants pour obturer ou libérer l'ouverture de la fosse.The present invention aims to provide a closure device whose design allows a closure and a clearance of the opening of the cavity in a simple manner, with a limited number of manipulations for the operator, and without it has to provide too much effort to close or release the opening of the pit.
Un autre but de l'invention est de proposer un dispositif d'obturation dont la conception permet d'obturer et de dégager l'ouverture de la cavité sans nécessiter de motorisation, et pour lequel les efforts nécessaire à la manutention des moyens d'obturation sont réduits.Another object of the invention is to provide a closure device whose design allows to close and clear the opening of the cavity without the need for motorization, and for which the efforts required for the handling of the sealing means are reduced.
En particulier, un but de l'invention est de permettre à l'opérateur de déployer et d'escamoter les moyens d'obturation du dispositif d'obturation en conservant durant chacune de ces opérations sensiblement la même position de travail et tout en limitant les efforts à fournir.In particular, an object of the invention is to allow the operator to deploy and retract the closing means of the closure device while maintaining during each of these operations substantially the same working position and while limiting the efforts to provide.
A cet effet, l'invention a pour objet un dispositif d'obturation au moins partielle d'une cavité ouverte par le dessus, ledit dispositif comprenant un ensemble de panneaux aptes à former une couverture d'obturation au moins partielle de ladite cavité et des moyens de support de couverture permettant de supporter lesdits panneaux lorsque ceux-ci sont déployés pour former ladite couverture d'obturation.For this purpose, the subject of the invention is a device for closing at least partially an open cavity from above, said device comprising a set of panels able to form an at least partial closure cover of said cavity and cover support means for supporting said panels when they are deployed to form said blanket.
Chaque panneau présente des moyens de liaison au(x) panneau(x) voisin(s) pour permettre audit ensemble de panneaux de passer d'une configuration empilée dans laquelle ils sont superposés les uns sur les autres pour libérer au moins partiellement l'ouverture de ladite cavité, à une configuration déployée dans laquelle les panneaux d'au moins une partie dudit ensemble de panneaux s'étendent dans le prolongement les uns des autres en appui desdits moyens de support de couverture pour former ladite couverture d'obturation, et inversement.Each panel has connecting means to the adjacent panel (s) to allow said set of panels to pass from a stacked configuration in which they are superimposed on each other to at least partially release the opening of said cavity, to an expanded configuration in which the panels of at least a portion of said set of panels extend in line with one another in supporting said cover supporting means to form said blanket shutter, and vice versa.
Ledit dispositif d'obturation comprend des moyens élastiquement déformables aptes à être comprimés par lesdits panneaux en configuration empilée dudit ensemble de panneaux.Said shutter device comprises elastically deformable means capable of being compressed by said panels in a stacked configuration of said set of panels.
Lesdits moyens élastiquement déformables permettent d'ajuster la position de la pile de panneaux en fonction de la configuration empilée desdits panneaux ou déployée d'au moins une partie desdits panneaux. Le dispositif d'obturation et, en particulier, lesdits moyens élastiquement déformables, sont destinés à être logés à l'intérieur de la cavité. Lorsqu'un panneau est retiré de la pile, lesdits moyens élastiquement déformables sont moins comprimés, ce qui relève la pile et permet ainsi de rapprocher le panneau de dessus de la pile, qui correspond au panneau précédemment situé sous celui qui vient d'être retiré de la pile, de l'ouverture de la cavité et donc de l'opérateur. Le relevé de la pile permet ainsi de compenser au moins partiellement la baisse de hauteur de la pile résultant de l'enlèvement d'un panneau. Inversement, lorsqu'un panneau est remis dans la pile pour dégager l'ouverture de la cavité, les moyens élastiquement déformables sont davantage comprimés, ce qui fait descendre le panneau qui vient d'être empilé d'une certaine hauteur, ladite hauteur d'enfoncement étant au moins partiellement compensée par la hauteur correspondant à l'épaisseur du panneau, ce qui permet à l'opérateur de ne pas avoir à modifier de façon importante sa position de travail.Said elastically deformable means make it possible to adjust the position of the stack of panels according to the stacked configuration of said panels or deployed of at least a portion of said panels. The closure device and, in particular, said elastically deformable means, are intended to be housed inside the cavity. When a panel is removed from the stack, said elastically deformable means are less compressed, which raises the stack and thus allows to bring the top panel of the stack, which corresponds to the panel previously located under the one just removed of the stack, the opening of the cavity and therefore the operator. The reading of the stack thus makes it possible at least partially to compensate for the drop in height of the stack resulting from the removal of a panel. Conversely, when a panel is put back in the stack to clear the opening of the cavity, the elastically deformable means are further compressed, which lowers the panel which has just been stacked by a certain height, said height of depression being at least partially compensated by the height corresponding to the thickness of the panel, which allows the operator not to have to significantly change his working position.
Lorsqu'il est précisé qu'un panneau est retiré ou enlevé de la pile, ledit panneau reste bien entendu lié par ses moyens de liaison aux panneaux voisins, en particulier au panneau voisin qui forme alors le dessus de la pile. Ledit panneau est considéré comme retiré, enlevé ou déployé, lorsque son poids est repris par l'opérateur ou par les moyens de support de couverture, c'est-à-dire lorsque son poids n'est plus repris par lesdits moyens élastiquement déformables. Inversement, lorsqu'un panneau est remis dans la pile, son poids est repris par les moyens élastiquement déformables, par l'intermédiaire d'un plateau support comme détaillé ci-après, et non plus par lesdits moyens de support de couverture. Lesdits moyens élastiquement déformables sont positionnés à l'aplomb et au dessous de l'emplacement occupé par les panneaux à l'état empilé.When it is specified that a panel is removed or removed from the stack, said panel is of course bound by its connecting means to adjacent panels, in particular to the neighboring panel which then forms the top of the stack. Said panel is considered withdrawn, removed or deployed, when its weight is taken up by the operator or by the cover support means, that is to say when its weight is no longer taken up by said elastically deformable means. Conversely, when a panel is put back into the stack, its weight is taken up by the elastically deformable means, by through a support plate as detailed below, and no longer by said cover support means. Said elastically deformable means are positioned vertically and below the location occupied by the panels in the stacked state.
Selon l'invention, la raideur desdits moyens élastiquement déformables est choisie en fonction de l'épaisseur et de la masse des panneaux, de telle sorte que le dessus de la pile de panneaux, ou le dessus du panneau, qui exerce un effort d'appui sur les moyens élastiquement déformables, est situé à une hauteur sensiblement constante aussi bien en configuration empilée desdits panneaux qu'en configuration déployée d'au moins une partie des panneaux lorsque le poids de ladite au moins une partie des panneaux est repris par lesdits moyens de support de couverture.According to the invention, the stiffness of said elastically deformable means is chosen as a function of the thickness and mass of the panels, so that the top of the stack of panels, or the top of the panel, which exerts a force of support on the elastically deformable means, is located at a substantially constant height both in stacked configuration of said panels in deployed configuration of at least a portion of the panels when the weight of said at least a portion of the panels is taken up by said means cover support.
Lesdits moyens élastiquement déformables permettent ainsi de maintenir le dessus de la pile à un niveau sensiblement constant, ce qui facilite les opérations d'obturation et de libération de l'ouverture de la cavité pour l'opérateur. Le dessus de la pile correspond au panneau supérieur de la pile que l'opérateur doit saisir pour déployer les panneaux sur lesdits moyens de support de couverture en vue d'obturer au moins partiellement l'ouverture de la fosse, ou, inversement, au panneau supérieur de la pile sur lequel l'opérateur doit empiler les panneaux de la couverture pour libérer au moins partiellement l'ouverture de la fosse.Said elastically deformable means thus make it possible to maintain the top of the stack at a substantially constant level, which facilitates the shutter and release operations of the opening of the cavity for the operator. The top of the stack corresponds to the upper panel of the stack that the operator must grasp to deploy the panels on said cover support means to at least partially close the opening of the pit, or, conversely, to the panel upper stack on which the operator must stack the panels of the cover to release at least partially the opening of the pit.
Ainsi, l'opérateur qui souhaite obturer au moins partiellement l'ouverture de la fosse, peut saisir le panneau de dessus de la pile et l'amener, grâce à ses moyens de liaison aux autres panneaux, sur les moyens de support de couverture. Le poids du panneau retiré de la pile étant repris par les moyens de support de couverture, la pile de panneaux est allégée du poids d'un panneau de sorte que, par équilibre de la force de rappel des moyens élastiquement déformables et du poids restant de la pile, les moyens élastiquement déformables relèvent la pile d'une hauteur correspondant à l'épaisseur du panneau retiré de la pile. Ainsi, le dessus de la pile est maintenu à une hauteur sensiblement constante, de préférence proche de la hauteur ou du niveau des moyens de support, eux même situés avantageusement à proximité du plan d'ouverture de la cavité, de sorte que le panneau qui forme le dessus de la pile peut être aisément retiré de la pile et amené sur lesdits moyens de support de couverture pour augmenter la longueur de couverture qui repose sur lesdits moyens de support de couverture.Thus, the operator who wishes to close at least partially the opening of the pit, can enter the top panel of the stack and bring it, through its connecting means to the other panels on the cover support means. The weight of the panel removed from the stack being taken up by the cover support means, the stack of panels is lightened by the weight of a panel so that, by balancing the restoring force, the elastically deformable means and the remaining weight of the battery, the means elastically deformable raise the stack a height corresponding to the thickness of the panel removed from the stack. Thus, the top of the stack is maintained at a substantially constant height, preferably close to the height or level of the support means, themselves advantageously located near the opening plane of the cavity, so that the panel which The top of the stack can be easily removed from the stack and fed to said cover support means to increase the length of coverage that rests on said cover support means.
Grâce à un tel choix de raideur des moyens élastiquement déformables, les moyens élastiquement déformables se tassent sous le poids de la pile de panneaux sur une hauteur correspondant à la hauteur de la pile. Lorsque, à partir d'une configuration empilée de l'ensemble des panneaux, pour laquelle les moyens élastiquement déformables sont fortement comprimés, l'opérateur déplie une partie de l'ensemble de panneaux pour former une couverture d'obturation en appui des moyens de support de couverture, les moyens élastiquement déformables se relèvent sur une distance correspondant à l'épaisseur cumulée des panneaux dépliés dont le poids est repris par lesdits moyens de support longitudinaux et non plus par les moyens élastiquement déformables. Inversement, lorsque, à partir d'une configuration dépliée d'au moins une partie de l'ensemble des panneaux, pour laquelle les moyens élastiquement déformables sont peu comprimés par rapport à la configuration empilée des panneaux, l'opérateur empile de nouveau les panneaux les uns sur les autres, les moyens élastiquement déformables se compriment sur une distance correspondant à l'épaisseur cumulée des panneaux empilés dont le poids est de nouveau repris par les moyens élastiquement déformables et non plus par lesdits moyens de support longitudinaux.With such a choice of stiffness elastically deformable means, the elastically deformable means are packed under the weight of the stack of panels on a height corresponding to the height of the stack. When, from a stacked configuration of all the panels, for which the elastically deformable means are heavily compressed, the operator unfolds a portion of the set of panels to form a blanking cover in support of the means of cover support, the elastically deformable means are raised over a distance corresponding to the cumulative thickness of the unfolded panels whose weight is taken up by said longitudinal support means and no longer by the elastically deformable means. Conversely, when, from an unfolded configuration of at least a portion of all the panels, for which the elastically deformable means are little compressed compared to the stacked configuration of the panels, the operator stacks the panels again. on each other, the elastically deformable means are compressed over a distance corresponding to the cumulative thickness of the stacked panels whose weight is again taken up by the elastically deformable means and no longer by said longitudinal support means.
Autrement dit, le pas de déformation des moyens élastiquement déformables, correspondant à la course de détente ou de compression desdits moyens élastiquement déformables lors du passage d'un panneau de l'état en appui sur lesdits moyens élastiquement déformables à l'état en appui sur les moyens de support de couverture, ou inversement, est sensiblement égal à l'épaisseur du panneau.In other words, the deformation step of the elastically deformable means, corresponding to the expansion stroke or compression of said elastically deformable means during the passage of a state panel bearing on said resiliently deformable means in the state resting on ways coverage support, or conversely, is substantially equal to the thickness of the panel.
Le dessus de la pile étant ainsi situé sensiblement à un même niveau quel que soit le nombre de panneaux retirés de la pile pour former la couverture d'obturation, l'opérateur peut aisément empiler ou déployer les panneaux sans que le niveau du dessus de la pile augmente ou diminue, ce qui lui permet de conserver sensiblement la même position de travail tout au long de chacune des opérations d'obturation et de dégagement de l'ouverture de dessus de la cavité. Un tel maintien du dessus de la pile à un niveau sensiblement constant, en particulier à proximité des moyens de support de couverture, permet également de limiter les efforts parasites qui pourraient apparaître lors du déplacement des panneaux de la couverture de panneaux sur les moyens de support longitudinaux au cours de l'opération de déploiement des panneaux ou d'empilage desdits panneaux.The top of the stack being thus located substantially at the same level regardless of the number of panels removed from the stack to form the blanket shutter, the operator can easily stack or deploy the panels without the level of the top of the stack increases or decreases, which allows it to maintain substantially the same working position throughout each of the shutter operations and clearance of the opening from above the cavity. Such a maintenance of the top of the stack at a substantially constant level, in particular near the cover support means, also makes it possible to limit the parasitic forces that may appear during the displacement of the panels of the panel covering on the support means longitudinal operations during the operation of deploying the panels or stacking said panels.
Une telle conception du dispositif d'obturation formé d'un ensemble de panneaux, articulés entre eux pour permettre de former une couverture d'obturation ou une pile, associé à un système de maintien du dessus de la pile à un niveau sensiblement constant, permet de s'exempter de tout moyen motorisé complexe d'entraînement en déplacement des éléments d'obturation.Such a design of the shutter device formed of a set of panels, articulated together to form a blanket shutter or a stack, associated with a system for maintaining the top of the stack at a substantially constant level, allows to free from any complex motorized drive means in moving the shutter elements.
Selon une caractéristique avantageuse de l'invention, lesdits panneaux présentent sensiblement une même épaisseur et une même masse d'un panneau à un autre.According to an advantageous characteristic of the invention, said panels have substantially the same thickness and the same mass from one panel to another.
Autrement dit, chaque panneau dudit ensemble de panneaux présente une épaisseur et une masse sensiblement égales à l'épaisseur et à la masse de chacun des autres panneaux dudit ensemble de panneaux.In other words, each panel of said set of panels has a thickness and a mass substantially equal to the thickness and mass of each of the other panels of said set of panels.
Avantageusement, les moyens déformables élastiquement présentent une raideur, exprimée en daN (decanewton) par mm (millimètre), sensiblement égale à la masse d'un panneau, exprimée en Kg (kilogramme), divisée par son épaisseur, exprimée en mm (millimètre).Advantageously, the elastically deformable means have a stiffness, expressed in daN (decanewton) per mm (millimeter), substantially equal to the mass of a panel, expressed in Kg (kilogram), divided by its thickness, expressed in mm (mm).
Ainsi, lorsqu'un panneau est retiré de la pile, les moyens élastiquement déformables, et donc la pile, sont, grâce à l'allègement du poids de la pile, relevés d'une hauteur correspondant à l'épaisseur du panneau retiré de sorte que le dessus de la pile reste au même niveau. Inversement, lorsqu'un panneau est remis dans la pile, les moyens élastiquement déformables et donc la pile s'abaissent, sous le poids du panneau ajouté, d'une hauteur correspondant à l'épaisseur du panneau ajouté de sorte que le dessus de la pile reste au même niveau.Thus, when a panel is removed from the stack, the elastically deformable means, and therefore the stack, are, thanks to the weight reduction of the pile, raised by a height corresponding to the thickness of the panel removed so that the top of the stack stays at the same level. Conversely, when a panel is put back into the stack, the elastically deformable means and therefore the stack are lowered, under the weight of the added panel, by a height corresponding to the thickness of the panel added so that the top of the stack stays at the same level.
Selon une caractéristique avantageuse de l'invention, lesdits moyens de liaison des panneaux sont configurés pour permettre un pliage en accordéon des panneaux.According to an advantageous characteristic of the invention, said panel connecting means are configured to allow an accordion folding of the panels.
Une telle capacité de pliage en accordéon des panneaux permet de les empiler et de les déployer aisément.Such folding ability accordion panels can stack them and deploy them easily.
Selon une caractéristique avantageuse de l'invention, au moins une partie des panneaux comprend des moyens de roulement et/ou de glissement aptes à venir rouler et/ou glisser sur lesdits moyens de support de couverture d'obturation, tel que des rails, ménagés sur ou à proximité de deux parois latérales opposées de la cavité.According to an advantageous characteristic of the invention, at least a portion of the panels comprises rolling and / or sliding means able to roll and / or slide on said blanking cover support means, such as rails, arranged on or near two opposite side walls of the cavity.
Ledit opérateur peut ainsi se positionner au bord de la cavité, sensiblement au droit de la zone de la cavité, qui loge les panneaux en configuration empilée desdits panneaux, et, pour obturer au moins partiellement l'ouverture de dessus de la cavité, saisir le panneau de dessus de la pile et l'amener dans ou sur lesdits moyens de support de couverture. L'opérateur peut, tout en restant dans la même position de travail, saisir le panneau suivant qui forme le dessus de la pile, pour l'amener dans ou sur lesdits moyens de support de couverture, ce qui pousse le panneau précédemment déployé le long desdits moyens de support de couverture par roulement et/ou glissement.Said operator can thus be positioned at the edge of the cavity, substantially in line with the area of the cavity, which houses the panels in a stacked configuration of said panels, and, to at least partially close the top opening of the cavity, enter the top panel of the stack and bring it into or on said cover support means. The operator may, while remaining in the same working position, enter the next panel which forms the top of the stack, to bring it into or on said cover support means, which pushes the previously deployed panel along said rolling and / or sliding cover support means.
Avantageusement, lesdits moyens de roulement et/ou de glissement comprennent sur chaque bord latéral de chacun desdits panneaux équipés de moyens roulement et/ou de glissement, deux organes de roulement et/ou de glissement écartés chacun du bord d'extrémité du panneau le plus proche dudit organe d'une distance différente de celle qui sépare l'autre organe de roulement et/ou de glissement du bord d'extrémité du panneau le plus proche dudit autre organe. Lesdits bords de chaque panneau peuvent également être appelés chants.Advantageously, said rolling and / or sliding means comprise on each lateral edge of each of said panels equipped with rolling and / or sliding means, two rolling and / or sliding members each spaced apart from the end edge of the most close to said member a distance different from that separating the other rolling member and / or sliding the end edge of the panel closest to said other member. Said edges of each panel may also be called songs.
Préférentiellement, lesdits moyens de liaison d'au moins chacun des panneaux qui sont situés entre deux autres panneaux, comprennent deux éléments d'articulation qui équipent, l'un, un bord, dit bord avant, du panneau et, l'autre, le bord opposé, dit bord arrière, dudit panneau, et les deux éléments d'articulation dudit panneau sont répartis de part et d'autre du plan moyen du panneau.Preferably, said connecting means of at least each of the panels which are situated between two other panels, comprise two articulation elements which equip, one, an edge, said front edge, of the panel and, the other, the opposite edge, said rear edge of said panel, and the two hinge elements of said panel are distributed on either side of the average plane of the panel.
La répartition des deux éléments d'articulation dudit panneau de part et d'autre du plan moyen du panneau permet d'empiler lesdits panneaux les uns sur les autres en accordéon, sans avoir à écarter de manière trop importante l'axe d'articulation des bords des panneaux ainsi équipés pour autoriser le pivotement d'un panneau par rapport à un panneau voisin. En effet, un éloignement important de l'axe de liaison laisserait un espace important entre les panneaux en configuration déployée, ce qui serait dangereux pour l'opérateur susceptible de marcher sur la couverture de panneaux.The distribution of the two hinge elements of said panel on either side of the middle plane of the panel makes it possible to stack said panels one on the other accordion, without having to deviate too importantly the axis of articulation of edges of the panels thus equipped to allow the pivoting of a panel relative to a neighboring panel. Indeed, a significant distance from the link axis would leave a large space between the panels in deployed configuration, which would be dangerous for the operator likely to walk on the cover of panels.
Selon une caractéristique avantageuse de l'invention, ledit dispositif comprend des moyens de guidage permettant de guider la déformation des moyens élastiquement déformables.According to an advantageous characteristic of the invention, said device comprises guiding means for guiding the deformation of the elastically deformable means.
Selon une caractéristique avantageuse de l'invention, ledit dispositif comprend également un plateau support apte à supporter l'ensemble de panneaux à l'état empilé desdits panneaux, ledit plateau support étant couplé aux moyens déformables élastiquement.According to an advantageous characteristic of the invention, said device also comprises a support plate adapted to support the set of panels in the stacked state of said panels, said support plate being coupled to the elastically deformable means.
Ledit plateau support offre une surface d'appui à la pile de panneaux qui permet de maintenir chaque panneau sensiblement horizontal, c'est-à-dire sensiblement parallèle à l'ouverture de la cavité. En effet, ledit plateau s'étend sensiblement horizontalement.Said support plate provides a support surface to the stack of panels that keeps each panel substantially horizontal, that is to say substantially parallel to the opening of the cavity. Indeed, said plate extends substantially horizontally.
Selon une caractéristique avantageuse de l'invention, ledit plateau support est muni de moyens de liaison, de préférence des moyens d'articulation, permettant de lier audit plateau support le panneau qui forme le dessous de la pile de panneaux,
et ledit plateau support comprend également une zone de soutien qui fait saillie du plateau sur une hauteur sensiblement égale à la hauteur de saillie des moyens de liaison qui équipent le plateau support, de manière à maintenir le panneau de dessous de la pile de panneaux sensiblement parallèle au plateau support.According to an advantageous characteristic of the invention, said support plate is provided with connecting means, preferably hinge means, for linking to said support plate the panel which forms the underside of the stack of panels,
and said support plate also comprises a support zone which protrudes from the plate to a height substantially equal to the height of projection of the connecting means which equip the support plate, so as to keep the panel from below the panel stack substantially parallel to the support plate.
L'invention concerne également une installation comprenant une cavité, de préférence du genre fosse, et un dispositif d'obturation tel que décrit ci-dessus, caractérisée en ce que lesdits moyens de support s'étendent, au moins partiellement, sensiblement horizontalement, sur ou à proximité de deux parois latérales opposées de la cavité, de préférence sur ou à proximité de leur bord libre, qui délimitent l'ouverture de la cavité. Lesdits moyens de support de couverture sont aptes à supporter et guider au moins une partie des panneaux de l'ensemble de panneaux lors du déploiement desdits panneaux le long desdits moyens de support de couverture.The invention also relates to an installation comprising a cavity, preferably of the pit type, and a closure device as described above, characterized in that said support means extend, at least partially, substantially horizontally, on or near two opposite side walls of the cavity, preferably on or near their free edge, which define the opening of the cavity. Said cover support means are adapted to support and guide at least a portion of the panels of the panel assembly during the deployment of said panels along said cover support means.
Selon une caractéristique avantageuse de l'invention, lesdits moyens de support de couverture comprennent au moins deux rails fixés sur ou à proximité desdites parois latérales opposées de la cavité, de préférence parallèlement et à proximité des bords libres desdites parois latérales opposées, en s'étendant en regard l'un de l'autre, sensiblement horizontalement, et sur lesquels les panneaux d'au moins une partie de l'ensemble de panneaux sont aptes, en configuration déployée, à reposer par leur bords latéraux.According to an advantageous characteristic of the invention, said cover support means comprise at least two rails fixed on or to proximity to said opposite side walls of the cavity, preferably parallel to and near the free edges of said opposite side walls, extending facing each other, substantially horizontally, and on which the panels of at least one part of the set of panels are able, in deployed configuration, to rest by their side edges.
Selon une caractéristique avantageuse de l'invention, ledit dispositif d'obturation est logé au moins partiellement, de préférence entièrement, à l'intérieur de la cavité, et de préférence à proximité d'une paroi d'extrémité de la cavité qui relie entre elles lesdites parois latérales opposées de la cavité.According to an advantageous characteristic of the invention, said closure device is housed at least partially, preferably entirely, inside the cavity, and preferably near an end wall of the cavity which connects between they said opposite side walls of the cavity.
Les moyens élastiquement déformables sont situés dans la cavité. Préférentiellement, au moins en configuration empilée des panneaux, la pile de panneaux du dispositif d'obturation est logée à l'intérieur de la cavité.The elastically deformable means are located in the cavity. Preferably, at least in the stacked configuration of the panels, the stack of panels of the closure device is housed inside the cavity.
L'invention sera bien comprise à la lecture de la description suivante d'exemples de réalisation, en référence aux dessins annexés dans lesquels :
- la
figure 1 est une vue schématique en coupe longitudinale d'une fosse équipée d'un dispositif d'obturation selon l'invention au début de l'opération de déploiement des panneaux pour obturer l'ouverture de la fosse ; - la
figure 2 est une vue schématique en coupe longitudinale de la fosse équipée du dispositif d'obturation de lafigure 1 en fin de déploiement des panneaux qui forment une couverture d'obturation de l'ouverture de la fosse ; - la
figure 3 est une vue en perspective du dessous du dispositif d'obturation à l'intérieur de la fosse de lafigure 1 ; - la
figure 4 est une vue en perspective du dessus du dispositif d'obturation à l'intérieur de la fosse de lafigure 1 .
- the
figure 1 is a schematic view in longitudinal section of a pit equipped with a closure device according to the invention at the beginning of the panel deployment operation to close the opening of the pit; - the
figure 2 is a schematic view in longitudinal section of the pit equipped with the shutter device of thefigure 1 at the end of the deployment of the panels which form a shutter cover of the opening of the pit; - the
figure 3 is a perspective view from below of the shutter device inside the pit of thefigure 1 ; - the
figure 4 is a perspective view from above of the shutter device inside the pit of thefigure 1 .
En référence aux figures et comme rappelé ci-dessus, l'invention concerne un dispositif d'obturation au moins partielle d'une cavité 1 ouverte par le dessus. Dans les exemples représentés, ladite cavité est formée par une fosse d'atelier se présentant sous forme d'une cavité enterrée de forme générale parallélépipédique délimitée par deux bords latéraux 100 et deux bords d'extrémité 110. Les bords latéraux 100 et bords d'extrémité 110 correspondent respectivement aux bords libres des parois latérales 10 et des parois d'extrémité 11 de la cavité. Les bords d'extrémité 110 sont généralement munis d'escalier pour permettre l'accès à l'intérieur de la fosse.With reference to the figures and as recalled above, the invention relates to a device for closing at least partially a
Le dispositif aurait pu, de manière équivalente, s'appliquer à un bassin, tel qu'un bassin de piscine ou autre.The device could have equivalently applied to a pool, such as a pool or other pool.
Ledit dispositif d'obturation comprend un ensemble de panneaux 3 aptes à former une couverture permettant d'obturer au moins partiellement l'ouverture de la cavité, et des moyens de support 13 de couverture destinés à être positionnés sur ou à proximité des bords supérieurs 100 des deux parois latérales 10 opposées de la cavité 1 pour permettre de supporter et de préférence guider lesdits panneaux lorsque ceux-ci sont déployés pour former ladite couverture. La couverture de panneaux est destinée à s'étendre, à l'état déployé, depuis ou à proximité d'une paroi d'extrémité vers l'autre paroi d'extrémité de la cavité 1, le long des parois latérales de la cavité et entre lesdites parois latérales de manière à obturer au moins partiellement l'ouverture de dessus de la cavité. Lesdits panneaux, encore appelés dalles, peuvent être réalisés en aluminium.Said closure device comprises a set of
L'objectif d'un tel dispositif d'obturation est d'éviter une chute à l'intérieur de la cavité, notamment pendant les périodes de non utilisation de la cavité et de pouvoir utiliser les panneaux qui forment la couverture d'obturation comme plancher de circulation.The purpose of such a closure device is to prevent a fall inside the cavity, especially during periods of non-use of the cavity and to be able to use the panels that form the shutter cover as a floor of circulation.
Comme détaillé ci-après, lesdits moyens de support 13 de couverture s'étendent au moins en partie sensiblement parallèlement aux bords supérieurs 100 desdites parois latérales 10 qui délimitent, entre elles et avec les parois d'extrémité 11 opposées qui relient lesdites parois latérales 10, ladite ouverture de dessus de la cavité. Généralement, la cavité est de forme allongée de sorte que les parois latérales 10 opposées s'étendent suivant l'axe longitudinal et forment ainsi les parois longitudinales de la cavité. Comme illustré à la
De manière caractéristique à l'invention, chaque panneau présente des moyens de liaison 3A, 3B aux panneaux 3 voisins pour permettre audit ensemble de panneaux 3 de passer d'une configuration empilée dans laquelle ils sont superposés les uns sur les autres pour libérer au moins partiellement l'ouverture de ladite cavité 1, à une configuration déployée dans laquelle les panneaux d'au moins une partie dudit ensemble de panneaux 3 s'étendent dans le prolongement les uns des autres en appui desdits moyens de support 13 de couverture pour former une couverture apte à obturer partiellement ladite ouverture de la cavité 1, et inversement.In a manner characteristic of the invention, each panel has connection means 3A, 3B to neighboring
Au cours du déploiement d'au moins une partie des panneaux 3 de la pile, les panneaux qui sont retirés de la pile pour former une couverture d'obturation en appui le long des moyens de support 13 de couverture, restent raccordés aux autres panneaux ou au dernier panneau de la pile par leurs moyens de liaison 3A, 3B.During the deployment of at least a portion of the
Ledit dispositif d'obturation comprend des moyens 4 élastiquement déformables qui sont comprimés par lesdits panneaux en configuration empilée dudit ensemble de panneaux 3. Comme détaillé ci-après, lesdits moyens élastiquement déformables sont également comprimés, mais plus faiblement, en configuration déployée des panneaux du fait qu'au moins le plateau support 23 de la pile reste en appui sur les moyens 4 élastiquement déformables. On peut également prévoir que le panneau de dessous de la pile reste en appui au moins partiel sur ledit plateau support auquel il est lié comme détaillé ci-après. Lesdits moyens 4 élastiquement déformables s'étendent verticalement, c'est-à-dire sensiblement orthogonalement à la paroi de fond de la cavité. Lesdits moyens 4 élastiquement déformables se déforment verticalement en fonction du poids de la pile de panneaux.Said closure device comprises elastically deformable means 4 which are compressed by said panels in a stacked configuration of said
Lesdits moyens 4 élastiquement déformables sont formés par un ou plusieurs ressorts sollicités en compression par le poids des panneaux en fonction de la configuration empilée ou déployée desdits panneaux.Said elastically deformable means 4 are formed by one or more springs biased in compression by the weight of the panels as a function of the stacked or unfolded configuration of said panels.
La raideur desdits moyens 4 élastiquement déformables correspond au rapport entre la variation de force, ici de poids, subie par lesdits moyens élastiquement déformables et la longueur de déformation correspondante desdits moyens élastiquement déformables. La raideur desdits moyens élastiquement déformables 4 est choisie en fonction de l'épaisseur et de la masse des panneaux 3, de telle sorte que le dessus de la pile de panneaux, ou le dessus du panneau (dans le cas où tous les autres panneaux sont déployés), qui exerce un effort d'appui sur les moyens 4 élastiquement déformables, est situé à une hauteur sensiblement constante aussi bien en configuration empilée desdits panneaux qu'en configuration déployée d'au moins une partie des panneaux lorsque le poids de ces panneaux déployés est repris par lesdits moyens de support 13 de couverture.The stiffness of said elastically deformable means 4 corresponds to the ratio between the force variation, in this case weight, experienced by said elastically deformable means and the corresponding deformation length of said elastically deformable means. The stiffness of said elastically deformable means 4 is chosen according to the thickness and the mass of the
Les moyens 4 déformables élastiquement présentent une raideur sensiblement égale à la masse d'un panneau 3 divisée par son épaisseur.The elastically deformable means 4 have a stiffness substantially equal to the mass of a
La raideur des moyens élastiquement déformables, formés par un ressort hélicoïdal dans l'exemple illustré aux figures, s'exprime en daN/mm. La raideur est choisie sensiblement égale au ratio de la masse d'un panneau divisée par son épaisseur. A titre d'exemple, si chaque panneau pèse 4 kg et mesure 20mm d'épaisseur, le ressort qui forme les moyens de déformation élastiques doit avoir une raideur de 4/20 = 0.2 daN/mm de sorte que si on empile 5 panneaux, le poids de la pile est de 20 kg et le ressort s'écrase de 20 / 0.2 = 100 mm, ce qui correspond à l'épaisseur cumulée des cinq panneaux.The stiffness of the elastically deformable means, formed by a helical spring in the example illustrated in the figures, is expressed in daN / mm. The stiffness is chosen substantially equal to the ratio of the mass of a panel divided by its thickness. For example, if each panel weighs 4 kg and measures 20mm thick, the spring forming the elastic deformation means must have a stiffness of 4/20 = 0.2 daN / mm so that if stacking 5 panels, the weight of the pile is 20 kg and the spring s' crushes by 20 / 0.2 = 100 mm, which corresponds to the cumulative thickness of the five panels.
Lesdits moyens 4 élastiquement déformables se déforment en fonction de l'effort de compression qu'ils subissent de manière sensiblement linéaire pour une plage d'effort variant d'une valeur minimum correspondant à un dépliage complet des panneaux de la pile, à une valeur maximum correspondant à une configuration empilée de tous les panneaux les uns sur les autres en appui sur les moyens 4 élastiquement déformables via le plateau support 23.Said elastically deformable means 4 are deformed as a function of the compressive force which they undergo in a substantially linear manner for a range of effort varying from a minimum value corresponding to a complete unfolding of the panels of the stack, to a maximum value corresponding to a stacked configuration of all the panels one on the other bearing on the
En configuration déployée des panneaux, le plateau support 23, et donc lesdits moyens 4 élastiquement déformables, supportent encore le poids du panneau de dessous de la pile, mais le poids des autres panneaux est repris par les moyens de support 13 de couverture le long desquels lesdits panneaux sont déployés dans le prolongement les uns des autres.In the deployed configuration of the panels, the
Un tel dispositif d'obturation muni de moyens élastiquement déformables, combinés avec une pile de panneaux liés entre eux, permet ainsi de conserver la face supérieure de la pile à un niveau constant proche de l'ouverture à obturer, en particulier proche des moyens de support 13 de couverture, de manière à faciliter, d'une part, la saisie des panneaux à déployer le long de l'ouverture, et, d'autre part, l'empilage desdits panneaux en accordéon pour libérer l'ouverture de la cavité. Ainsi, le déploiement ou l'empilement des panneaux peut se faire dans des conditions similaires en termes de disposition et de poids de chacun des panneaux à manutentionner, à n'importe quel moment de la manoeuvre.Such a closure device provided with elastically deformable means, combined with a stack of interconnected panels, thus makes it possible to keep the upper face of the cell at a constant level close to the opening to be closed, in particular close to the means of
Lesdits moyens élastiquement déformables forment ainsi des moyens de rappel 4 élastiquement déformables permettant de rappeler le dessus de la pile de panneaux à un niveau donné.Said elastically deformable means thus form resiliently deformable return means 4 making it possible to return the top of the stack of panels to a given level.
Préférentiellement, comme illustré aux figures, le dispositif d'obturation et en particulier lesdits moyens élastiquement déformables, sont situés dans la cavité, à proximité ou contre une paroi d'extrémité 11 de la cavité. Dans l'exemple illustré aux figures, ledit dispositif d'obturation comprend un bâti 20 détaillé ci-après qui forme un magasin de stockage de la pile de panneaux. Ledit bâti 20 repose sur la paroi de fond de la cavité. Ledit bâti 20 est avantageusement fixé sur la paroi d'extrémité contre ou à proximité de laquelle il s'étend.Preferably, as illustrated in the figures, the closure device and in particular said elastically deformable means are located in the cavity, near or against an
Lesdits moyens de support 13 permettent de positionner les panneaux formant la couverture d'obturation dans, ou proche de, la cavité 1, de préférence le long des bords supérieurs des deux parois latérales opposées qui délimitent l'ouverture de ladite cavité 1.Said support means 13 make it possible to position the panels forming the closure cover in, or close to, the
Les moyens de support 13 s'étendent, sensiblement horizontalement et sensiblement parallèlement et, de préférence, à proximité des bords supérieurs des deux parois latérales opposées de la cavité 1 le long desquelles est destinée à être déployée la couverture de panneaux pour obturer au moins partiellement l'ouverture de dessus de la cavité.The support means 13 extend substantially horizontally and substantially parallel and, preferably, close to the upper edges of the two opposite side walls of the
Dans l'exemple illustré aux figures, lesdits moyens de support 13 comprennent au moins deux rails fixés sur lesdites parois latérales 10 opposées de la cavité en s'étendant en regard l'un de l'autre, sensiblement horizontalement et sur lesquels, ou à l'intérieur desquels, les panneaux 3 d'au moins une partie de l'ensemble de panneaux sont aptes, en configuration déployée, à reposer par leur bords latéraux. Lesdites parois latérales 10 opposées de la cavité sur lesquelles sont ménagés les rails sont les parois qui s'étendent dans un plan moyen parallèle à l'axe longitudinal de la couverture de panneaux à l'état déplié desdits panneaux.In the example illustrated in the figures, said support means 13 comprise at least two rails fixed on said
Généralement, la couverture de panneaux destinée à obturer au moins partiellement l'ouverture de la cavité s'étend dans le plan d'ouverture de ladite cavité, soit légèrement au-dessus ou en dessous dudit plan. Quand elle s'étend au-dessous dudit plan d'ouverture de la cavité, elle est disposée à l'intérieur de la cavité, de même que lorsqu'elle s'étend dans ledit plan d'ouverture. Quand elle est disposée au-dessus du plan d'ouverture de la cavité, elle est positionnée par exemple le long d'un bord longitudinal de la cavité ou au milieu de la cavité et obture la cavité par recouvrement de son ouverture.Generally, the blanket of panels intended to close at least partially the opening of the cavity extends in the opening plane of said cavity, either slightly above or below said plane. When it extends below said opening plane of the cavity, it is disposed inside the cavity, as well as when it extends in said opening plane. When it is disposed above the opening plane of the cavity, it is positioned for example along a longitudinal edge of the cavity or in the middle of the cavity and closes the cavity by covering its opening.
Lesdits moyens de rappel 4 sont formés dans l'exemple illustré aux figures par un ressort qui présente deux extrémités opposées dont une, dite extrémité supérieure, est située du côté des panneaux. En particulier ladite extrémité supérieure est équipée d'un plateau support 23 apte à support la pile de panneaux 3. L'autre extrémité dite inférieure est fixe par rapport à la cavité 1. En particulier, dans l'exemple illustré aux figures, ladite extrémité inférieure est attachée à un élément de base 24 fixe d'un bâtit 20 situé à l'intérieur de la cavité. Avantageusement, comme rappelé ci-dessus, ledit bâtit est fixé à l'intérieur de la cavité. Ledit bâtit forme un magasin pour les panneaux, c'est-à-dire une structure de stockage des panneaux.Said return means 4 are formed in the example illustrated in the figures by a spring which has two opposite ends, one of which, said upper end, is located on the side of the panels. In particular, said upper end is equipped with a
Ledit dispositif comprend des moyens de guidage 234 permettant de guider la déformation des moyens de rappel 4 élastiquement déformables.Said device comprises guiding means 234 for guiding the deformation of the resiliently deformable return means 4.
Lesdits moyens de guidage comprennent au moins une colonne 234, de préférence deux colonnes 234 parallèles, le long de laquelle ou desquelles est monté coulissant ledit plateau support 23 de la pile de panneau. Lesdites colonnes sont solidaires du bâti 20 et s'étendent sensiblement verticalement. Ledit plateau support est raccordé par sa face inférieure, opposée à sa face supérieure tournée vers la pile de panneaux, à l'extrémité supérieure desdits moyens de rappel 4 élastiquement déformables.Said guide means comprise at least one
Les moyens d'articulation 3A, 3B des panneaux sont configurés de manière à permettre le passage dudit ensemble de panneaux de la configuration empilée à la configuration déployée, et inversement, en dépliant les panneaux de la pile ou en les repliant en accordéon. Pour le passage en configuration empilée par pliage en accordéon, les panneaux à empiler sont alternativement pivotés dans un sens et dans l'autre par rapport aux panneaux sur lesquels ils sont superposés.The articulation means 3A, 3B of the panels are configured so as to allow the passage of said set of panels from the stacked configuration to the deployed configuration, and vice versa, by unfolding the panels of the stack or folding them accordion. For the passage in configuration stacked by folding accordion, panels to stack are alternately rotated in one direction and the other with respect to the panels on which they are superimposed.
Chaque panneau 3 présente deux bords opposés, dits avant et arrière, ou encore bords d'extrémité, reliés entre eux par deux bords latéraux. Les moyens d'articulation 30 d'au moins chacun des panneaux 3 situés entre deux autres panneaux comprennent au moins deux éléments d'articulation 3A, 3B disposés l'un, sur le, ou à proximité du, bord avant du panneau et l'autre sur le, ou à proximité, du bord arrière opposé du panneau. Chaque élément d'articulation 3A, 3B d'un panneau est apte à coopérer avec un élément d'articulation 3B, 3A d'un autre panneau. Les deux éléments d'articulation 3A, 3B de chacun desdits panneaux sont répartis de part et d'autre du plan moyen du panneau 3.Each
Autrement dit, l'un 3A des éléments d'articulation 3A, 3B s'étend du côté d'une face du panneau, au moins partiellement en saillie de ladite face, et l'autre élément d'articulation 3B du côté de la face opposée dudit panneau, au moins partiellement en saillie de ladite face opposée. Chacun des éléments d'articulation 3A, 3B s'étend également en saillie du bord avant ou arrière du panneau 3 qu'il équipe.In other words, the one 3A of the
Chaque élément d'articulation 3A, 3B est un élément de type charnière apte à coopérer avec un autre élément d'articulation 3B, 3A pour former une liaison charnière. Les panneaux peuvent pivoter les uns par rapport aux autres grâces auxdites liaisons charnières et peuvent ainsi être repliés les uns sur les autres en accordéon pour former une pile de panneaux. Le fait de pouvoir escamoter la couverture de panneaux en les empilant les uns sur les autres, simplement en les repliant en accordéon, est une opération aisée et rapide à réaliser qui ne demande que peu d'efforts pour l'opérateur, d'autant plus que le dessus de la pile sur laquelle l'opérateur doit replier un panneau conserve sa hauteur au cours de l'empilement grâce aux moyens de rappel élastiquement déformables. En outre la formation d'une telle pile de panneaux permet de limiter l'encombrement de ces panneaux à l'état découvert de l'ouverture de la cavité, en particulier lorsque la pile s'étend dans la cavité à affleurement ou sous le plan d'ouverture de la cavité.Each
Au moins une partie desdits panneaux 3 comprend également des moyens de roulement et/ou de glissement 30 aptes à venir rouler et/ou glisser sur ou dans lesdits rails 13 support de couverture ménagés sur ou à proximité de deux parois latérales opposées de la cavité 1. Dans l'exemple illustré aux figures, chacun des panneaux est équipé de tels moyens de roulement et/ou de glissement 30. En variante, on peut prévoir que seuls les panneaux destinés à venir en appui contre les moyens de support 13 de couverture soient équipés de tels moyens de roulement et/ou de glissement 30.At least a part of said
Les moyens de roulement et/ou de glissement 30 sont formés, dans la solution telle qu'illustrée aux figures, par des galets qui équipent chacun des bords latéraux des panneaux concernés. En particulier chaque bord latéral d'un panneau est muni de deux galets écartés l'un par rapport à l'autre. De tels galets permettent aux panneaux de rouler sans effort dans les rails fixés de préférence le long des parois latérales de la cavité, avantageusement à proximité des bords supérieurs de ladite cavité.The rolling and / or sliding
En outre, chacun des deux galets qui équipent chaque bord latéral du panneau est écarté du bord d'extrémité du panneau le plus proche d'une distance différente de la distance qui sépare l'autre galet du bord d'extrémité correspondant du panneau, c'est-à-dire le bord d'extrémité du panneau le plus proche dudit autre galet. Une telle disposition des galets permet auxdits galets de ne pas interférer les uns avec les autres lorsque les panneaux sont repliés en accordéon les uns sur les autres.In addition, each of the two rollers that equip each side edge of the panel is spaced from the end edge of the panel closest to a distance different from the distance separating the other roller from the corresponding end edge of the panel. that is to say the end edge of the panel closest to said other roller. Such an arrangement of the rollers allows said rollers not to interfere with each other when the panels are folded accordion on each other.
Les galets situés sur chacun des bords latéraux d'un panneau sont coaxiaux avec les galets situés sur l'autre bord latéral opposé dudit panneau.The rollers on each of the side edges of a panel are coaxial with the rollers on the other opposite side edge of said panel.
Chacun desdits rails présente une section transversale en U ou en C, ouverte vers l'autre rail, à l'intérieur desquelles peuvent être introduits les moyens de roulement et/ou de glissement 30 des panneaux en configuration déployée de ceux-ci.Each of said rails has a cross section in U or C, open to the other rail, inside which can be introduced the rolling means and / or sliding 30 panels in expanded configuration thereof.
Ledit plateau support 23 est muni, sur sa face orientée vers les panneaux 3, de moyens de liaison 231, de préférence des moyens d'articulation, permettant de lier audit plateau support 23 le panneau 3 qui forme le dessous de la pile de panneaux 3. Lesdits moyens de liaison, de préférence de type charnière, permettent de coupler le dessous de la pile de panneaux au plateau support 23 et d'offrir un certain degré de liberté au panneau de dessous de la pile par rapport au plateau support 23 de la pile, ce qui peut s'avérer avantageux lorsque l'ensemble des panneaux est déployé pour former la couverture de panneaux et que le panneau de dessous de la pile doit s'incliner par rapport au plateau support 23 pour suivre la ligne générale de la couverture.Said
Comme illustré aux
Claims (11)
- A device for at least partially sealing a cavity (1) that is open on top, said device comprising a set of panels (3) able to form a cover for at least partially sealing said cavity and cover supporting means (13) making it possible to support said panels when they are deployed to form said sealing cover,
each panel having connecting means (3A, 3B) for connecting to the adjacent panel(s) (3) to allow said set of panels (3) to go from a stacked configuration in which they are superimposed on one another to at least partially free the opening of said cavity (1), to a deployed configuration in which the panels of at least part of said set of panels (3) extends in the extension of one another to support said cover supporting means (13) in order to form said sealing cover, and vice versa,
and said sealing device comprises elastically deformable means (4) able to be compressed by said panels in the stacked configuration of said set of panels (3), characterized in that the stiffness of said elastically deformable means (4) is chosen as a function of the thickness and mass of the panels (3), such that the top of the stack of panels, or the top side of the panel, that exerts a bearing force on the elastically deformable means (4) is situated at a substantially constant height both in the stacked configuration of the panels and in the deployed configuration of at least part of the panels when the weight of said at least one part of the panels is reacted by said cover supporting means (13). - The device according to claim 1, characterized in that said panels (3) have substantially a same thickness and a same mass from one panel (3) to the next.
- The device according to claim 2, characterized in that the elastically deformable means (4) have a stiffness, expressed in daN per mm, substantially equal to the mass of a panel (3), expressed in Kg, divided by its thickness, expressed in mm.
- The device according to one of the preceding claims, characterized in that said connecting means (3A, 3B) of the panels are configured to allow accordion folding of the panels.
- The device according to one of the preceding claims, characterized in that at least part of the panels (3) comprises rolling and/or sliding means (30) able to roll and/or slide on said cover supporting means (13), such as rails, arranged on or near two opposite side walls of the cavity (1).
- The device according to claim 5, characterized in that said rolling and/or sliding means (30) comprise, on each side edge of each of said panels equipped with rolling and/or sliding means (30), two rolling and/or sliding members (30) each separated from the end edge of the panel closest to said member by a distance different from that separating the other rolling and/or sliding member (30) from the end edge of the panel closest to said other member.
- The device according to one of the preceding claims, characterized in that said connecting means (3A, 3B) for at least each of the panels (3) that are situated between two other panels comprise two articulation elements (3A, 3B), one of which (3A) equips an edge, called front edge, of the panel, and the other of which (3B) equips the opposite edge, called rear edge, of said panel,
and in that the two articulation elements (3A, 3B) of said panel are distributed on either side of the mean plane of the panel (3). - The device according to one of the preceding claims, characterized in that said device also comprises a supporting plate (23) able to support the set of panels (3) in the stacked state of said panels, said supporting plate (23) being coupled to the elastically deformable means (4),
and in that said supporting plate is provided with connecting means (231), preferably articulation means, making it possible to connect the panel (3) forming the bottom of the stack of panels (3) to said supporting plate (23),
said supporting plate (23) also preferably comprising a support zone (230) that protrudes from the plate over a height substantially equal to the protruding height of the connecting means (231) that equip the supporting plate, so as to keep the bottom panel (13) of the stack of panels substantially parallel to the supporting plate (23). - A facility comprising a cavity (1), preferably of the pit type, and a sealing device according to one of the preceding claims, characterized in that said cover supporting means (13) extend, at least partially, substantially horizontally, over or near two opposite side walls (10) of the cavity (1) that delimit said top opening of the cavity (1).
- The facility according to claim 9, characterized in that said cover supporting means (13) comprise at least two rails fastened on or near said opposite side walls (10) of the cavity, preferably parallel to and near the free edges (100) of said opposite side walls (10), and extend across from each other, and on which the panels (3) of at least part of the set of panels can, in the deployed configuration, rest by their side edges.
- The facility according to claim 10, characterized in that said sealing device is at least partially, preferably entirely, housed inside the cavity (1), and preferably near an end wall (11) of the cavity (1) that connects said opposite side walls (10) of the cavity to each other.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1154260A FR2975420B1 (en) | 2011-05-17 | 2011-05-17 | DEVICE FOR AT LEAST PARTIAL SHUTTERING OF A CAVITY OPENED BY THE TOP |
PCT/FR2012/051035 WO2012156622A1 (en) | 2011-05-17 | 2012-05-10 | Device for at least partially closing off a cavity that is open at the top |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2710207A1 EP2710207A1 (en) | 2014-03-26 |
EP2710207B1 true EP2710207B1 (en) | 2015-03-04 |
Family
ID=46321075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12728648.2A Active EP2710207B1 (en) | 2011-05-17 | 2012-05-10 | Device for at least partially closing off a cavity that is open at the top |
Country Status (7)
Country | Link |
---|---|
US (1) | US9249610B2 (en) |
EP (1) | EP2710207B1 (en) |
JP (1) | JP5985614B2 (en) |
CA (1) | CA2835351C (en) |
ES (1) | ES2538684T3 (en) |
FR (1) | FR2975420B1 (en) |
WO (1) | WO2012156622A1 (en) |
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2011
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-
2012
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- 2012-05-10 WO PCT/FR2012/051035 patent/WO2012156622A1/en active Application Filing
- 2012-05-10 JP JP2014510857A patent/JP5985614B2/en active Active
- 2012-05-10 EP EP12728648.2A patent/EP2710207B1/en active Active
- 2012-05-10 ES ES12728648.2T patent/ES2538684T3/en active Active
- 2012-05-10 CA CA2835351A patent/CA2835351C/en active Active
Also Published As
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CA2835351A1 (en) | 2012-11-22 |
US20150053357A1 (en) | 2015-02-26 |
FR2975420A1 (en) | 2012-11-23 |
JP5985614B2 (en) | 2016-09-06 |
WO2012156622A1 (en) | 2012-11-22 |
EP2710207A1 (en) | 2014-03-26 |
US9249610B2 (en) | 2016-02-02 |
JP2014523495A (en) | 2014-09-11 |
FR2975420B1 (en) | 2014-07-18 |
CA2835351C (en) | 2019-04-23 |
ES2538684T3 (en) | 2015-06-23 |
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