Classifications

• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03F—SEWERS; CESSPOOLS
  • E03F5/00—Sewerage structures
  • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
  • E03F5/06—Gully gratings
• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03F—SEWERS; CESSPOOLS
  • E03F5/00—Sewerage structures
  • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
  • E03F5/06—Gully gratings
  • E03F2005/061—Gully gratings hinged to the body of the gully
• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03F—SEWERS; CESSPOOLS
  • E03F5/00—Sewerage structures
  • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
  • E03F5/06—Gully gratings
  • E03F2005/065—Gully gratings with elastic locking elements

Definitions

• the present invention relates to the field of grids for covering a gutter.
• It relates in particular to a covering device of a gutter, suitable for use especially on airfield pavements and airports.
• Pavements or other road or urban infrastructures commonly have a gutter, that is to say a channel used for the drainage of water or, where appropriate, other liquids.
• a gutter that is to say a channel used for the drainage of water or, where appropriate, other liquids.
• cover the gutter with a succession of grids flush with the ground level.
• FR2790520 discloses a closure element, typically a succession of grids for a channel "U", and means for connecting the grids on the channel with a clip reported in the assembly areas between two grids successive.
• the fixing by clip is not suitable for fixing means of closing gutters on the aerodromes.
• it is generally more convenient for the installation and maintenance of gutter grates not to implement reported device for their attachment, especially since this avoids having to supply and handle small parts, in an amount corresponding to that of the grids to be laid.
• FR2292804 has a coating, that is to say a set of grids, for the cover of the aerodrome pavement gutters limiting the risk of tilting gates when a vehicle passes over.
• substantially rectangular grids are connected at their end by a set of tenons in which passes a pin or mortise, so that the grids are pivotally articulated.
• the grids are fixed to each other. Nevertheless, it may be important to be able to intervene under a precise grid of the grid assembly, without disassembling the other grids, and without the need to dismantle separate separable parts.
• the object of the invention is therefore to propose a device comprising a succession of covering elements (such as grids) for covering the gutters, offering an assembly that does not use any inserts and allowing the individual opening of the elements of the gutters. recovery, without the need to dismantle separable parts of the device.
• covering elements such as grids
• the invention relates to a device for covering a gutter extending in a longitudinal direction, the device comprising a succession of covering elements comprising a first covering element and a second covering element adjacent to the first element of recovery.
• the device further comprises a first spar and a second spar intended to equip respectively a first bearing zone and a second bearing zone located on either side of an upper portion of a gutter to be covered.
• the first spar comprises at least a first gusset and a second gusset, each of said gussets forming a knuckle, each covering element of the succession of covering elements being substantially rectangular and comprising a pin at one end and an orifice at a second end. end longitudinally opposite the first end.
• the pin of the first covering element passes through the knuckle of the first gusset.
• the pin of the second covering element passes through the knuckle of the second gusset and protrudes from said second gusset so as to engage in the orifice of the first covering element.
• the first covering member is pivotally articulated relative to the first spar on the one hand vis-à-vis the first gusset and secondly via the pin of the second covering element.
• connection by its pin of a covering member vis-à-vis the first spar and its orifice vis-à-vis an adjacent covering element allows the articulation of each covering element between them and with respect to the first spar, without implementing any inserts, capable of separating from the device. This is further achieved with overlapping elements all of identical design, interconnected. There is no master or slave element (relative to each other) in such a device.
• the covering device of a channel may comprise a succession of more than two covering elements, each covering element, with the exception of an extremal covering element, being pivotally articulated on the one hand opposite of the first spar and secondly vis-à-vis an adjacent liner element.
• tens, hundreds, or more, of covering elements can thus succeed for the recovery of a gutter.
• each cover element is advantageously formed in a resilient element that can be deformed in order to disengage from said orifice the pin of the adjacent covering element. This makes it possible to remove a covering element from the device without having to remove other covering elements.
• the elastic element may in particular be an elastic arm transverse to the longitudinal direction of extension of the gutter.
• Each covering element may be perforated so as to form a grid.
• Each cover member may further comprise a locking means adapted to cooperate with an element of the second spar so as to lock.
• the locking means may for example comprise an elastic bar, the element of the second spar with which it is adapted to cooperating being a protruding stud, the elastic bar being positioned between the stud and a horizontal surface of the second spar in a closed position of the covering element, preventing the opening of the covering element, said elastic bar being able to be deformed so as to be disengaged from the stud to allow the opening of the covering element.
• the first spar and / or the second spar may be composed of several elements of spars placed end to end. This allows the recovery of gutters of great length, for example several tens, hundreds, or thousands of meters.
• the first spar and the second spar can have an L profile.
• Each knuckle may have an oblong shape oriented vertically, and the orifice of each covering element may have an oblong shape oriented substantially vertically when the covering element is in an open position in which it is substantially vertical and resting on the first spar, so that the cover member is locked in rotation in its open position, the unlocking in rotation to ensure closure being obtained by lifting said cover member of the first spar before tilting.
• Each covering element is advantageously monobloc.
• Each covering element may for example be cast iron GS.
• the first spar and the second spar can be galvanized steel.
• the invention also relates to an assembly comprising a gutter and a covering device as previously described.
• the gutter may comprise a substantially invariant section, the first bearing zone and the second bearing zone forming a shoulder on either side of an upper portion of the section of the gutter.
• the first support zone and the second support zone correspond to rebates of the gutter.
• FIG. 1 shows schematically a channel covering device according to an embodiment of the invention installed on a gutter
• FIG. 2 diagrammatically represents a covering element that can be implemented in the invention, according to a view from above;
• FIG. 3 schematically represents a covering element that can be implemented in the invention, in a view from below;
• FIG. 4 schematically shows a gutter equipped with longitudinal members as may be implemented in the invention
• FIG. 5 shows in a schematic three-dimensional detail view the connection between a cover member and a spar
• FIG. 6 shows in a schematic sectional view the connection between two adjacent overlapping elements
• FIG. 7a and 7b illustrate the disassembly of a covering element of a channel covering device according to one embodiment of the invention.
• FIGS. 8a to 8c illustrate the opening of a covering element of a channel covering device according to one embodiment of the invention
• FIG. 1 represents a device for covering a channel C.
• the channel is covered by covering elements 1, 2, 3.
• three covering elements 1, 2, 3 are successively aligned, so that a first covering element 1 is adjacent to a second covering element 2, and the second covering element is adjacent to the first covering element. recovery on the one hand, and a third covering element 3 on the other.
• the covering elements 1, 2, 3 are identical in the exemplary embodiment shown here.
• a first spar 4 is installed at level of a channel rebate C.
• a second spar 5 is installed opposite, at the level of the opposite rabbet of the gutter C.
• the longerons 4,5 preferably have a general L-shape (or angle), that is to say that they are each in the form of a straight section whose section comprises two orthogonal planes.
• the longitudinal members are respectively disposed in a first bearing zone C1 and a second bearing zone C2 of the channel C, the first bearing zone C1 and the second bearing zone C2 being formed by the rebates of the part and the Another of the upper edges of the gutter C.
• the first support zone C1 and the second bearing zone C2 of the gutter C are advantageously shaped to accommodate the longitudinal members 4, 5.
• the longitudinal members 4, 5 having a generally L are accommodated in one of the support zones C1, C2 comprising a horizontal face and a vertical face of dimensions corresponding to each of the outer faces of the longitudinal members.
• the dimensions of the support zones C1 and C2 may nevertheless be greater than those of the longitudinal members 4, 5, in order to allow their sealing in said support zones C1, C2, that is to say in the grooves of the channel C
• the channel C having a substantially rectangular section, or at least two vertical walls, the bearing areas C1, C2 form a shoulder at the top of the section of the channel.
• the gutter may have other profiles such as a semicircle.
• the longitudinal members 4, 5 may in particular be fixed to the support zones C1, C2 by anchoring tabs (not shown), in particular of the "carptail" type, which constitute reliable anchoring means in the concrete.
• the separation of the longitudinal members relative to each other corresponds to the functional clearances, the width I of a covering element.
• the covering elements 1, 2, 3 are supported on the longitudinal members 4, 5, which are housed in the support zones C1, C2 of the channel C.
• the height between the horizontal support surface offered by the longitudinal members 4,5 in position in the gutter and the ground level S (or the top of the gutter) corresponds to the thickness e of a covering element, so that the upper surface 1 1 of an element of The cover is flush with the ground level S when the covering element covers the channel C.
• the thickness e is defined by the distance between the upper surface 1 1 of the covering element and the lower bearing surfaces 16, intended to bear on the longitudinal members 4, 5.
• each covering element is hinged so that each covering element can be individually tilted between a closed position (in which it covers the channel C) and an open position, allowing access to the gutter.
• a cover member may have a substantially rectangular shape (that is to say that its upper surface 1 1 is substantially rectangular length L and width I).
• the length L may be of the order of 500 mm
• its width I may be of the order of 450 mm.
• the cover member may be perforated to form a grid, providing an open surface for the evacuation of water to evacuate through the covered gutter.
• Reinforcements 17 (for example ribs) make it possible to guarantee a high rigidity of the covering element.
• a covering element having the dimensions mentioned above can in particular be sized to withstand a load of 90 tons. This corresponds to the specifications most often desired for the recovery of gutters equipping aerodromes.
• the covering element comprises a pin 12.
• the pin is thus integral with the covering element which comprises it.
• the covering element being substantially rectangular the pin 12 is positioned at one of its longitudinal ends, at an angle of the covering element.
• the pin 12 extends in the longitudinal direction, parallel to a large side of the cover element in the example shown.
• each covering element may have, according to other embodiments of the invention not shown, a substantially square shape, or have a rectangular shape whose short side is positioned longitudinally on the gutter and the long side transversely to gutter.
• the cover element also has a hole 13.
• the orifice 13 is positioned at an end longitudinally opposite to that comprising the pin 12.
• the pin and the orifice define between them an axis (A) corresponding to the axis of tilting of the covering element between its open and closed positions.
• the orifice 13 has a shape and dimensions allowing the insertion of a pin 12 (of another covering element).
• the orifice 13 is used in the connection of the overlapping elements with each other and with respect to the first spar 4.
• the first spar 4 comprises indeed several gussets, namely at least a first gusset 41 and a second gusset 42.
• a gusset generally designates a plate used in the metal assemblies.
• the gussets 41, 42 are arranged transversely to the first spar 4.
• Each gusset has a hole and thus forms a knuckle 43, that is to say the eye of a hinge.
• each covering element is positioned between two gussets.
• the pin 12 of a covering element is introduced into the knuckle of a gusset.
• Figure 5 illustrates in particular this aspect.
• the pin 12 of the first covering element 1 is introduced into the knuckle 43 of the first gusset 41 of the first spar 4.
• the first spar 4 and second spar 5 can be achieved by means of spar members placed end to end.
• the spar members are shaped so that the last gusset of a spar member and the first gusset of a spar member placed end to end have the same spacing as two successive gussets of the same spar member.
• the covering elements can be successively positioned on the channel C, the connection of the covering element vis-à-vis the first spar being provided on the one hand by the pin 12 of the covering element and secondly via the pin 12 of the adjacent cover member.
• Figure 6 illustrates in a schematic sectional view the connection between the first cover member 1 and the second cover member 2 adjacent thereto.
• the pawn 12 of the second element of overlap 2 passes through the knuckle of the second gusset 42 of the first spar 4.
• the pin 12 of the second covering element 2 extends beyond the second gusset 42 and is introduced into the orifice 13 of the first covering element.
• the first covering element is linked to the first spar
• each cover member and the first spar 4, allowing the tilting of each cover member between the closed position and the open position, and vice versa.
• the orifice 13 is formed in a resilient arm 14.
• the elastic arm 14 extends transversely, which offers at its free end, where the orifice 13 is provided , some longitudinal deflection.
• the longitudinal deflection of the end of the elastic arm 14, in the direction of the pin 12, is for example substantially equal to the length of the pin 12. This longitudinal movement is defined by the distance d between the elastic arm 14 and the rest of the covering element, in the absence of external stresses.
• the deflection, and thus the deviation d is at least equal to the engagement length g of the pin 12 in the orifice 13 of the adjacent covering element whatever the assembly sets and their distribution.
• the resilient arm thus allows the introduction and removal of an individual covering element of the channel covering device object of the present invention which comprises a succession of covering elements.
• its elastic arm is deformed (with the aid of a conventional tool for example but in a nonlimiting manner a pickaxe, a lever or a crowbar, as illustrated in Fig. 7a) to reduce or cancel the gap thereby allowing the pin 12 to disengage from the adjacent cap member of the port 13 of the covering element under consideration.
• the covering element can be raised with respect to the first spar 4 (in the position illustrated in FIG. 7b) and then translated to disengage its peg 12 from the knuckle in which it is introduced.
• the elastic arm 14 is made in one piece with the rest of the covering element.
• the covering element is thus made of a material having suitable elastic properties.
• the covering element may for example be made of cast iron GS (spheroidal graphite cast iron).
• Each covering element can be tilted between a closed position in which it covers the gutter and an open position in which access to the gutter is possible.
• a locking means is implemented to maintain the cover member vis-à-vis the second spar 5, preventing its tilting to the open position.
• each covering element comprises an elastic bar 15, on a side opposite to the pin 12 and the orifice 13.
• the elastic bar 15 s' Advantageously extends longitudinally and has a free end 151, preferably located about halfway the length of the cover member.
• the second spar 5 comprises, at the free end 151 of the elastic bar 15 (when the cover element is positioned on the channel C), a stud 51 projecting a space between said pad 51 and the surface of support (horizontal) of the second spar.
• the free end 151 of the elastic bar can be housed in the space thus formed. The free end is thus locked under the protruding stud, which prevents the tilting of the covering element towards its open position.
• Figures 8a to 8c illustrate an opening sequence of a cover member.
• the elastic bar may be deformed, for example by means of a lever, as illustrated in FIG. 8a. This makes it possible to disengage the bar 8a from below the stud, that is to say to bring the free end 151 closer to the rest of the covering element so that it no longer mechanically interferes with the stud 51.
• the deformable bar can thus be passed over the stud, as shown in FIG. 8b.
• the open position is secured by the configuration of the overlay.
• This can be obtained by adopting an oblong shape of the knuckles 43, visible in particular in Figure 5.
• the knuckles 43 have in particular an oblong shape which extends in a vertical direction.
• the pin 12 is positioned opposite the edge closest to the covering element, at a distance less than its distance from the lower bearing surface 16.
• the pin 12 descends at the bottom of the gusset in which it is introduced. This prevents inadvertent tilting of the cover member to its closed position.
• To close the cover member from this safety position it must be lifted to bring the pin in the upper part of the gusset.
• the function of securing the open position thus obtained avoids any risk of inadvertent closure of the covering element.
• the covering elements employed may be different from each other as long as they are of identical design with regard to their chaining, that is to say their connection with respect to each other and relative to the first spar.
• the covering elements may have different markings.
• the cover elements may be perforated in different ways or have different surface states, striations or patterns.
• the overlapping members may have different dimensions in the longitudinal direction, it being understood that the knuckles must be spaced apart accordingly (i.e. spaced apart by a distance adapted to the length of the lap member to be installed between these knuckles).
• the covering device of a gutter thus developed in the invention allows the recovery of a gutter without implementing parts likely to separate the device, while allowing the disassembly and reassembly of any of the elements of covering among the succession of covering element that includes the device, and the opening (or closing) of any of the covering elements.
• the device developed is particularly suitable for use for the covering of an aerodrome channel, in particular because of the absence of an insert for closing or articulation of the covering elements, which parts could constitute in case of separation inadvertent device a foreign body, potentially dangerous on an aerodrome.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Sewage (AREA)
• Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

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Citations (8)

Family Cites Families (9)

• 2016
  • 2016-12-06 FR FR1661993A patent/FR3059687B1/fr not_active Expired - Fee Related
• 2017
  • 2017-12-04 WO PCT/FR2017/053368 patent/WO2018104637A1/fr unknown
  • 2017-12-04 CN CN201780075611.4A patent/CN110050103B/zh active Active
  • 2017-12-04 EP EP17816978.5A patent/EP3551810A1/fr not_active Withdrawn

Patent Citations (8)

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