EP2513380B1 - Street ironwork having a frame and at least one covering element having limited movement within said frame - Google Patents

Street ironwork having a frame and at least one covering element having limited movement within said frame Download PDF

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Publication number
EP2513380B1
EP2513380B1 EP10805268.9A EP10805268A EP2513380B1 EP 2513380 B1 EP2513380 B1 EP 2513380B1 EP 10805268 A EP10805268 A EP 10805268A EP 2513380 B1 EP2513380 B1 EP 2513380B1
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EP
European Patent Office
Prior art keywords
covering element
wall portion
frame
edge
bolt
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
Application number
EP10805268.9A
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German (de)
French (fr)
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EP2513380A1 (en
Inventor
Pascal Lacroix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EJ Emea SAS
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EJ Emea SAS
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by EJ Emea SAS filed Critical EJ Emea SAS
Priority to PL10805268T priority Critical patent/PL2513380T3/en
Priority to SI201030459T priority patent/SI2513380T1/en
Publication of EP2513380A1 publication Critical patent/EP2513380A1/en
Application granted granted Critical
Publication of EP2513380B1 publication Critical patent/EP2513380B1/en
Priority to CY20131101111T priority patent/CY1114840T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers

Definitions

  • the present invention relates to a road device, as well as a frame for such a device.
  • a closure device for inspection chimneys of an underground network such as a manhole or a device for coping with manholes with at least one road grate.
  • Such street devices include a frame and at least one cover member disposed in the frame.
  • This frame comprises an erected peripheral wall bordering with clearance all or part of the adjacent edges of the covering element which rests on an inner seat wall integral with the frame perpendicular to the erected peripheral wall.
  • each covering element can move relatively to the frame, in particular when this element is subjected to high rolling loads constituted in particular by motor vehicles.
  • each covering element consists of two pads or grids in the form of right triangles mounted in the frame so that the hypotenuses of these two triangles are adjacent to one another.
  • the high rolling loads circulating on these two triangular buffers or grids also cause the displacement relative to each other of these two covering elements by clashing their two sides with hypotenuses.
  • the present invention aims to overcome the above disadvantages by providing a road device designed to reduce, or even eliminate, noise resulting from high rolling loads flowing on one or more closure elements of a closure. framework of the road system.
  • the road device comprising a frame and at least one covering element arranged in the frame comprising an erected peripheral wall, a portion of which borders with clearance at least one adjacent edge of the covering element and an inner seating wall of the covering member perpendicular to the erected peripheral wall, and which is such that the inner seat wall comprises at its portion along the portion of the upright wall bordering the adjacent edge of the covering member at least one pad made of an elastomeric material integral with the upper face of the seat wall portion perpendicular to the latter and which is engaged in a housing of the covering element emerging from the adjacent edge of this element and facing the wall portion erected to form a stop for limiting the displacement of the cover member towards the erected wall portion when the the covering element is subjected to high rolling loads.
  • the inner seat wall portion comprises two pads made of an elastomeric material integral with the upper face of the seat wall portion perpendicularly to the latter, being spaced from one another and which are respectively engaged. in two spaced-apart recesses of the covering element opening out from the adjacent edge of this element and opposite the corresponding upstanding wall part to constitute two limit stops for the displacement of the cover member towards the upstanding wall portion when the cover member is subjected to high rolling loads.
  • each stud engaged in a corresponding housing of the covering element also constitutes an abutment for limiting the displacement of the covering element in a direction substantially parallel to the portion of wall erected opposite the edge of the covering element when the covering element is subjected to high rolling loads of direction substantially perpendicular to that of the rolling charges causing the displacement of the cover member towards the upright wall portion.
  • Each covering element may be constituted by a buffer or a grid in the form of a right triangle.
  • the road device may comprise a second covering element constituted by a buffer or a rectangular triangle-shaped grid and disposed in the frame having its hypotenuse adjacent to the hypotenuse of the first covering element, the edge of the second covering element opposite to the edge of the first cover member being flush with clearance by a portion of the upstanding peripheral wall of the opposite frame and parallel to the facing wall portion facing the edge of the first cover member and the inner wall portion of the frame serving as seated at the edge of the second covering element comprises two pads made of an elastomeric material integral with the upper face of this inner wall portion of the seat perpendicular to it, being spaced apart from one another and which are engaged respectively in two spaced apart housing of the second covering element emerging from the edge of this second element and facing e the opposite upstanding wall portion to constitute two stops for limiting the displacement of the second cover member towards the opposed upstanding wall portion when the second cover member is subjected to high rolling loads.
  • a second covering element constituted by a buffer or a rectangular triangle-shaped grid and disposed in the frame having its hypo
  • Each stud engaged in its corresponding recess of the second covering element also constitutes an abutment for limiting the displacement of the second covering element in a direction substantially parallel to the wall portion erected opposite the edge of the second covering element when this covering element is subjected to high rolling loads of direction substantially perpendicular to that of the rolling charges causing the displacement of the second cover member towards the wall portion erected vis-a-vis.
  • the covering element is a square or rectangular pad or grid whose edge opposite the other aforementioned edge is flanked with play by a portion of the peripheral wall erected from the opposite frame and parallel to the portion wall facing up against the other edge of the cover member and the inner wall portion of the frame serving as a seat at the opposite edge of the cover member comprises two pads of an elastomeric material integral with the upper face of the this portion of inner wall seat perpendicular to it being spaced apart from each other and which are respectively engaged in two spaced apart housing of the cover element opening from the edge of this element and facing the part corresponding upstanding wall to constitute two stops for limiting the displacement of the covering element towards the corresponding upstanding wall part and in parallel with the latter when the covering element is subjected to high rolling loads.
  • each abutment stud is constituted by a cylindrical sleeve fixed on the upper face of the corresponding portion of the inner seat wall by a bolt whose screw passes through this part of the seat wall and the sleeve.
  • the sleeve is fixed in abutment on an inverted U-shaped part secured to the upper face of the internal frame wall portion of the frame, the U-shaped soul of the part being traversed by the bolt which is fixed to the part of inner wall of the seat by a nut housed in the inverted U of the bolted piece so as to axially lock the head of the bolt to the underside of the inner portion of the seat.
  • each abutment stud is based on polychloroprene.
  • each abutment stud is housed in the corresponding housing of the covering element in a clearance less than the clearance between each erected peripheral wall portion and the adjacent edge of the covering element.
  • Each housing of a covering element comes from foundry.
  • the road device When the road device is provided with two rectangular triangle shaped cover elements, the latter are twinned to each other by at least one bolt whose screw passes through two parallel webs secured to the inner faces of the two elements perpendicular to these and a cylindrical sleeve of a plastic material coaxially mounted to the bolt screw between the two webs.
  • the sleeve is supported by its ends on the two inner faces facing each other of the two webs respectively by means of two washers made of an elastomeric material.
  • the screw head of the bolt and the nut of the bolt are supported on the two opposite outer faces of the two webs respectively by means of two washers made of an elastomeric material.
  • the sleeve is of the polyamide type, such as nylon, and each washer is based on polychloroprene.
  • the frame is rectangular in shape and consists of two longitudinal members and two cross members each having a cross section at least one L-shaped.
  • the invention also relates to a framework for a road device, comprising an erected peripheral wall and an inner wall intended to serve as a seat for at least one covering element and perpendicular to the erected wall, such that at least a part of the internal seat wall comprises at least one pad made of an elastomeric material fixed on the upper face of the seat wall portion perpendicular thereto, and characterized in that
  • each stud is constituted by a cylindrical sleeve fixed on the upper face of the inner wall portion of the seat by a bolt whose screw passes through this portion of the seat wall and the sleeve.
  • the sleeve is fixed in abutment on an inverted U-shaped part secured to the upper face of the internal frame wall portion of the frame, the U-shaped soul of the part being traversed by the bolt which is fixed to the part of inner wall of the seat by a nut housed in the inverted U of the bolted piece so as to axially lock the bolt head to the underside of the inner portion of the seat.
  • the pad is based on polychloroprene.
  • the reference numeral 1 designates a road device comprising a rectangular frame 2 and four covering elements 3, 4, 5, 6 which can be arranged in the frame 2 as shown in most of the figures for closing the opening of this frame giving access to a chimney of visit or inspection of an underground network.
  • the covering elements 3-6 are each constituted by a rectangular triangle-shaped pad so that at their closed position of the frame, the two adjacent overlapping elements 3, 4 have their edges of hypotenuses. 3a, 4a adjacent to each other and the other two adjacent overlapping members 5, 6 also have their hypotenuse edges 5a, 6a adjacent to each other.
  • the covering elements 3 to 6 are also arranged in the frame so that the two covering elements 4, 5 are adjacent by two of their respective right edges 4b, 5b and their other respective right edges 4c and 5c adjacent to the edges 4b. 5b are disposed respectively facing the two parallel and opposite side members 7, 8 of the frame 2.
  • the two opposite facing elements 3, 6 have two of their respective right edges 3b, 6b arranged respectively facing the two cross members 9, 10 of the frame 2 fixed to the ends of the two longitudinal members 7, 8 and their other two respective edges 3c, 6c adjacent to the edges 3b, 6b respectively arranged opposite the two longitudinal members 8, 7.
  • Each of the triangulated covering elements 3, 4, 5, 6 comprises a plurality of cells 11 into which a filling material can be introduced.
  • the triangulated covering elements may be made of cast iron as the frame 2, but they may be made of any other material such as for example steel.
  • the road device 1 is not limited to the use of four triangulated buffers and apply to the use of only two triangulated pads or several pairs of triangulated pads arranged in one or even more than one frame. independent support.
  • the cover elements may also be constituted by square or rectangular shaped pads arranged side by side in their support frame.
  • the covering elements consist of grids that can each have a square or rectangular shape or the shape of a right triangle as for the triangulated pads 3 to 6 described above .
  • the longitudinal members 7, 8 of the frame 2 each have, in cross section, an inverted T profile with the upstanding wall 7a of the spar 7 adjacent to the two edges 4c, 6c of the two covering elements 4, 6 and the upstanding wall 8a of the spar 8 adjacent to the two edges 3c, 5c of the two covering elements 3, 5.
  • the upstanding walls 7a, 8a of the longitudinal members 7, 8 define a clearance Ja with the edges 4c, 6c and 3c, 5c of the covering elements 4, 6, 3 As well as with the corresponding end corners of these cover elements.
  • the two crosspieces 9, 10 of the frame 2 have, in cross section, an L-shaped or angled profile with the upstanding wall 9a of the cross member 9 adjacent to the edge 3b of the covering element 3 and the upstanding wall 10b of the adjacent crossmember 10 at the edge 6b of the covering element 6.
  • the upstanding walls 9a, crosspieces 9, 10 define a clearance Jb with the edges 3b, 6b of the covering elements 3, 6.
  • the spar 7 of the frame 2 has its base of the inverted T defining an inner wall 7b located in the frame 2 and an outer wall 7c to the frame 2 extending along the upright wall 7a perpendicular to the latter.
  • the inner wall 7b serves as a seat for the two covering elements 4, 6, that is to say that the edges 4c and 6c of these cover elements are supported on the inner wall 7b.
  • the edges 4c and 6c of the covering elements 4, 6 comprise support legs P, for example at the number of two at the ends of each of these edges and which bear against corresponding pads 12 fixed, for example by welding on the upper face of the inner wall 7b.
  • end corner of the covering element 5 defined by the hypotenuse edge 5a and the adjacent edge 5b also rests with a foot P on a pad 12 secured to the upper face of the inner wall 7b of the spar. 7 and it is the same with respect to the end corner of the covering element-3 defined by the hypotenuse edge 3a and the adjacent edge 3b of this element.
  • the spar 8 of the frame 2 has its base of the inverted T defining an inner wall 8b disposed in the frame 2 and an outer wall 8c to the frame 2 extending along the upright wall 8a perpendicular to the latter.
  • the inner wall 8b serves as a seat for the two covering elements 3, 5. More precisely, the two edges 3c, 5c of the two covering elements 3, 5 rest on the inner wall 8b of the spar 8 via two feet. P located for example at the two ends of each of these edges, which feet are supported on pads 12 fixed, for example by welding, on the upper face of the inner wall 8b of 8.
  • the end corner of the covering element 4 defined between its hypotenuse edge 4a and its adjacent edge 4b is also supported on the inner wall 8b of the beam 8 via a foot P and a shoe 12 is integral with the upper face of the wall 8b and it is the same with respect to the end corner of the covering element 6 defined by its hypotenuse edge 6a and its adjacent edge 6b.
  • the two crosspieces 9, 10 comprise an outer wall 9b, 10b perpendicular to the upstanding wall 9a, 10a and which extends in the same plane as the walls 7b, 7c and 8b, 8c of the longitudinal members 7, 8.
  • the outer walls 7c, 8c of the longitudinal members 7, 8 and the outer walls 9b, 10b of the crosspieces 9, 10 are used for fixing the frame 2 to the ground.
  • the inner seat wall 7b of the spar 7 comprises, by its part situated along the upright wall portion 7a bordering the adjacent edge 4c of the covering element 4, two studs 13 made of an elastomer material integral with the upper face of the seat wall portion 7b perpendicular to the latter.
  • the two studs 13 are spaced from one another along the seat wall portion 7b of the spar 7 and the material constituting them is preferably based on polychloroprene known under the name "neoprene” and which is a synthetic elastomer.
  • the inner seat wall portion 7b located along the upstanding wall portion 7a of the spar 7 bordering the adjacent edge 6c of the cover member 6 comprises two studs 13 of an elastomeric material identical to the pads 13 previously described and which are integral with the upper face of the seat wall portion 7b perpendicular to the latter.
  • the inner seat wall 8b of the spar 8 comprises two pairs of studs 13 of a material identical elastomeric pads previously described and which are fixed to the upper face of the seat wall 8b perpendicularly thereto being spaced apart from each other along the wall 8b.
  • Two studs 13 of the same pair are attached to the inner seat wall portion 8b located along the upright wall portion 8a bordering the adjacent edge 3c of the cover member 3 while the other two studs 13 of the other pair are located on the inner seat wall portion 8b located along the upstanding wall portion 8a bordering the adjacent edge 5c of the cover member 5.
  • the pads of elastomeric material 13 fixed to the seat wall 7b of the spar 7 and the pads made of elastomeric material 13 fixed to the seat wall 8b of the spar 8 are pairwise located along the same axis perpendicular to the two side members 7, 8.
  • each stud 13 is constituted by a cylindrical sleeve which is fixed on the upper face of the corresponding portion of the inner seat wall 7b, 8b of a spar 7, 8 by a bolt 14, the screw 15 passes through the portion corresponding seat wall 7b, 8b and the pad 13, and the nut 16, of the nylstop kind, --- opposite to the seat wall portion 7b, 8b, axially holds the pad 13 while bearing on the upper face of the latter.
  • the stud 13 is held in abutment by its lower end on the core of an U-shaped part 17 fixed, for example by welding, on the upper face of the seat wall portion 7b, 8b.
  • the core of the upright U-shaped piece extends parallel to the corresponding upstanding wall 7a, 8a of the spar 7, 8.
  • the screw 15 of the fixing bolt 14 is fixed to the seat wall portion 7b, 8b by a nut 18, for example square, housed in the inverted U-shaped part 17 and for locking the head 15a of the screw 15 support on the underside of the portion of the seat wall 7b, 8b by means of two washers 19.
  • Each pad 13 can be clamped on the U-shaped part 17 by the bolt 14 without being axially elastically deformed by compression and the elastomer material of the stud 13 allows an elastic deformation in the radial direction as will be seen later.
  • Each covering element 3, 4, 5, 6 comprises two excavations 20 coming from the foundry with the covering element and which are formed in the corresponding edge 3c, 4c, 5c, 6c of the element opening from this edge towards the 'outside.
  • Each excavation 20 extends from the outer or upper face of the corresponding covering element in a general direction perpendicular to this face without opening the latter.
  • each excavation 20 has in section in a plane perpendicular to the outer face of the corresponding covering member and parallel to its edge a generally semicylindrical upper blind portion 21 extended, opposite the outer face of the covering element , by a bottom flared bottom portion 22 of generally half-truncated cone, and opening opposite the outer face of the cover member.
  • the two excavations 20 of a covering element are spaced from each other along the corresponding edge of this element by a distance equal to the distance separating two elastomeric pads 13 from a portion of the seat wall. 7b, 8b of the longitudinal members 7, 8 of the frame 2.
  • each covering element 3-6 occupies its closed position of the opening of the frame 2
  • two excavations 20 of a covering element 3-6 are opposite the corresponding upstanding wall portion 7a, 8a of the spar 7, 8 and two of the studs 13 secured to the upright wall portion 7b, 8b of these longitudinal members are housed with clearance respectively in the two excavations 20 of the corresponding covering element.
  • each stud assembly 13 and nut 16 is housed in the corresponding excavation 20 of a covering element and the radial clearance Jc between the sleeve of the stud 13 and the internal face of the upper part 21 of the excavation 20 in a manner that perpendicular direction to the wall erected in the present case 7a of the spar 7 remains always lower than the clearance Ja between the upper edge of the cover member 4 and the wall 7a.
  • the two studs 13 respectively housed in two excavations 20 of a covering element 3-6 constitute stops for limiting the displacement of the covering element towards the corresponding upstanding wall part 7a, 8a when the element overlap is subjected to significant forces directed substantially perpendicular to the corresponding upright wall portion 7a, 8a of the longitudinal members 7, 8 resulting from high rolling loads due to a large traffic of vehicles traveling on the cover element.
  • the pads 13 thus behave as silentblocs to reduce noise during any displacement of the covering elements 3-6 in their setting when subjected to heavy vehicle traffic.
  • FIG 7 shows that, in a direction parallel to the upstanding wall portion 7a, 8a of the longitudinal members 7, 8, the upper portion 21 of each excavation 20 defines with the corresponding elastomeric pad 13 two sets Jc, each equal to the set Jc previously defined of way that the two studs 13 housed in the excavations 20 of a covering member constitute two stops for limiting the displacement of this element in a direction substantially parallel to the upstanding wall portion 7a, 8a located opposite the corresponding edge of the covering element when the latter is subjected to high rolling loads, resulting from heavy vehicle traffic, and direction substantially perpendicular to that of the rolling charges causing the displacement of this covering element towards the upstanding wall portion 7a, 8a struts 7, 8.
  • the pads 13 also consist of stops limiting the displacement of at least the two opposing covering elements 3, 6 to the upright walls 9a, 10a of the crosspieces 9, - 10 to prevent the edges 3b, 6b of these elements from striking the raised walls 9a, 10a, thus reducing the noise nuisance.
  • the figure 13 is a bottom view showing the assembly or the pairing of two overlapping elements 3 and 4 or 5 and 6 in a right triangle.
  • two overlapping elements 3, 4 or 5, 6 of the same pair and adjacent by their respective hypotenuses 3a, 4a or 5a, 6a are assembled to each other by at least one bolt 30 whose screw 31 crosses two substantially parallel webs 32 secured to the internal faces of the two covering elements, for example the elements 3, 4, perpendicular to them, the two webs 32 being also arranged substantially parallel to the two hypotenuse edges 3a, 4a of these two cover elements.
  • a cylindrical sleeve 33 of a plastic material is mounted coaxially with the screw 31 of the bolt 30 between the two webs 32 and the sleeve 33 is supported by its ends on the two inner faces facing each other of the two sails 32 respectively via two washers 34 also made of an elastomeric material.
  • the screw 31 of the bolt 30 extends perpendicularly through the two webs 32 and has its head 31a resting on one of the faces of a web 32 opposite the sleeve 33 via a washer made of an elastomeric material 35 with the interposition of a metal washer 36 between the washer 35 and the screw head 31a.
  • the nut 37, for example of the nylstop type, of the bolt 30 is supported on the outer face of the other web 32 opposite the sleeve 33, by means of a washer made of an elastomeric material 38 with the interposition of a metal washer 39 between the washer 38 and the nut 37.
  • the sleeve 33 is of the polyamide type, such as for example nylon, and the washers 34, 35 and 38 are made of a polychloroprene-based material as for the studs 13 and two adjacent overlapping elements 3, 4 ; 5, 6 are assembled to each other by two spaced parallel bolts 30.
  • the assembly of two triangulated covering elements 3, 4; 5, 6 by the bolt assembly 30, sleeve 33 and washers 34, 35, 38 can limit the displacement relative to each other of these two elements to prevent their edges of hypotenuses 3a, 4a; 5a, 6a come into contact with each other when the two covering elements are subjected to high rolling loads due to heavy traffic of vehicles, reducing noise.
  • the road device of the invention can be applied to elements of covering, each of square or rectangular shape and constituted by a buffer or a grid and which can be arranged in one or more frames.
  • the opposite, inwardly facing, wall portion portions of the frame along the corresponding upstanding wall portions of this frame and bordering with clearance respectively two opposite parallel edges of a square or rectangular cover member comprise two opposed pairs of pads made of an elastomeric material integral with the seat wall portions perpendicularly to the latter and which are respectively engaged in two housings of the covering element emerging from the two opposite edges of this element facing the parts of the erected walls of the frame to constitute stops for limiting the displacement of the cover member towards opposite upstanding portions of the frame or parallel thereto when the cover member is subjected to high rolling loads in opposite directions, one perpendicular to the parts erected walls of the frame and the other parallel to these parts by erected.
  • the road device of the invention makes it possible to limit the displacement of one or more covering elements in one or more corresponding frames and to effectively reduce the noise nuisance during these displacements due to an intense traffic of vehicles on each of these vehicles. covering elements.

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  • Environmental & Geological Engineering (AREA)
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  • Mining & Mineral Resources (AREA)
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Description

La présente invention concerne un dispositif de voirie, ainsi qu'un cadre pour un tel dispositif.The present invention relates to a road device, as well as a frame for such a device.

Elle peut s'appliquer à un dispositif de fermeture de cheminées d'inspection d'un réseau sous-terrain, tel qu'un regard de chaussée ou à un dispositif de couronnement de bouches d'égouts à au moins une grille de voirie.It can be applied to a closure device for inspection chimneys of an underground network, such as a manhole or a device for coping with manholes with at least one road grate.

De tels dispositifs de voirie comprennent un cadre et au moins un élément de recouvrement disposé dans le cadre.Such street devices include a frame and at least one cover member disposed in the frame.

Ce cadre comprend une paroi périphérique dressée bordant avec jeu tout ou partie des bords adjacents de l'élément de recouvrement qui repose sur une paroi interne d'assise solidaire du cadre perpendiculairement à la paroi périphérique dressée.This frame comprises an erected peripheral wall bordering with clearance all or part of the adjacent edges of the covering element which rests on an inner seat wall integral with the frame perpendicular to the erected peripheral wall.

En position de fermeture, chaque élément de recouvrement peut se déplacer relativement au cadre notamment lorsque cet élément est soumis à des charges roulantes élevées constituées notamment par des véhicules automobiles.In the closed position, each covering element can move relatively to the frame, in particular when this element is subjected to high rolling loads constituted in particular by motor vehicles.

Dans ces conditions, le déplacement de chaque élément de recouvrement relativement au cadre peut amener un bord de l'élément de recouvrement à heurter la partie adjacente de paroi périphérique dressée du cadre, occasionnant des nuisances sonores. Des solutions sont déjà connues des documents DE-20103717-U et JP-63061450-U , ou encore du document EP-0506590-A1 qui montre un dispositif selon le préambule de la revendication 1.Under these conditions, the displacement of each covering element relative to the frame can cause an edge of the covering element to hit the adjacent portion of the peripheral wall erected from the frame, causing noise. Solutions are already known documents DE-20103717-U and JP-63061450-U , or the document EP-0506590-A1 which shows a device according to the preamble of claim 1.

Ce problème de nuisances sonores peut s'aggraver lorsque chaque élément de recouvrement est constitué de deux tampons ou grilles en forme de triangles rectangles montés dans le cadre de façon que les hypoténuses de ces deux triangles soient adjacentes l'une à l'autre. En effet, les charges roulantes élevées circulant sur ces deux tampons ou grilles triangulés provoquent également le déplacement l'un par rapport à l'autre de ces deux éléments de recouvrement en entrechoquant leurs deux côtés d'hypoténuses.This problem of noise can be aggravated when each covering element consists of two pads or grids in the form of right triangles mounted in the frame so that the hypotenuses of these two triangles are adjacent to one another. Indeed, the high rolling loads circulating on these two triangular buffers or grids also cause the displacement relative to each other of these two covering elements by clashing their two sides with hypotenuses.

La présente invention a pour but de palier les inconvénients ci-dessus en proposant un dispositif de voirie conçu de façon à réduire, voire même supprimer, les nuisances sonores résultant de charges roulantes élevées circulant sur un ou plusieurs éléments de recouvrement de fermeture d'un cadre du dispositif de voirie.The present invention aims to overcome the above disadvantages by providing a road device designed to reduce, or even eliminate, noise resulting from high rolling loads flowing on one or more closure elements of a closure. framework of the road system.

A cet effet, selon l'invention, le dispositif de voirie comprenant un cadre et au moins un élément de recouvrement disposé dans le cadre comportant une paroi périphérique dressée dont une partie borde avec jeu au moins un bord adjacent de l'élément de recouvrement et une paroi interne d'assise de l'élément de recouvrement perpendiculaire à la paroi périphérique dressée, et qui est tel que la paroi interne d'assise comprend à sa partie située le long de la partie de la paroi dressée bordant le bord adjacent de l'élément de recouvrement au moins un plot en un matériau élastomère solidaire de la face supérieure de la partie de paroi d'assise perpendiculairement à cette dernière et qui est -engagé dans un logement de l'élément de recouvrement débouchant du bord adjacent de cet élément et en regard de la partie de paroi dressée pour constituer une butée de limitation du déplacement de l'élément de recouvrement vers la partie de paroi dressée lorsque l'élément de recouvrement est soumis à des charges roulantes élevées.For this purpose, according to the invention, the road device comprising a frame and at least one covering element arranged in the frame comprising an erected peripheral wall, a portion of which borders with clearance at least one adjacent edge of the covering element and an inner seating wall of the covering member perpendicular to the erected peripheral wall, and which is such that the inner seat wall comprises at its portion along the portion of the upright wall bordering the adjacent edge of the covering member at least one pad made of an elastomeric material integral with the upper face of the seat wall portion perpendicular to the latter and which is engaged in a housing of the covering element emerging from the adjacent edge of this element and facing the wall portion erected to form a stop for limiting the displacement of the cover member towards the erected wall portion when the the covering element is subjected to high rolling loads.

De préférence, la partie de paroi interne d'assise comprend deux plots en un matériau élastomère solidaires de la face supérieure de la partie de paroi d'assise perpendiculairement à cette dernière en étant espacés l'un de l'autre et qui sont engagés respectivement dans deux logements espacés de l'élément de recouvrement débouchant du bord adjacent de cet élément et en regard de la partie de paroi dressée correspondante pour constituer deux butées de limitation du déplacement de l'élément de recouvrement vers la partie de paroi dressée lorsque l'élément de recouvrement est soumis à des charges roulantes élevées.Preferably, the inner seat wall portion comprises two pads made of an elastomeric material integral with the upper face of the seat wall portion perpendicularly to the latter, being spaced from one another and which are respectively engaged. in two spaced-apart recesses of the covering element opening out from the adjacent edge of this element and opposite the corresponding upstanding wall part to constitute two limit stops for the displacement of the cover member towards the upstanding wall portion when the cover member is subjected to high rolling loads.

Avantageusement, chaque plot engagé dans un logement correspondant de l'élément de recouvrement constitue également une butée de limitation du déplacement de l'élément de recouvrement suivant une direction sensiblement parallèle à la partie de paroi dressée en vis-à-vis du bord de l'élément de recouvrement lorsque l'élément de recouvrement est soumis à des charges roulantes élevées de direction sensiblement perpendiculaire à celle des charges roulantes provoquant le déplacement de l'élément de recouvrement vers la partie de paroi dressée.Advantageously, each stud engaged in a corresponding housing of the covering element also constitutes an abutment for limiting the displacement of the covering element in a direction substantially parallel to the portion of wall erected opposite the edge of the covering element when the covering element is subjected to high rolling loads of direction substantially perpendicular to that of the rolling charges causing the displacement of the cover member towards the upright wall portion.

Chaque élément de recouvrement peut être constitué par un tampon ou une grille en forme de triangle rectangle.Each covering element may be constituted by a buffer or a grid in the form of a right triangle.

Le dispositif de voirie peut comporter un second élément de recouvrement constitué par un tampon ou une grille en forme de triangle rectangle et disposé dans le cadre en ayant son hypoténuse adjacente à l'hypoténuse du premier élément de recouvrement, le bord du second élément de recouvrement opposé au bord du premier élément de recouvrement étant bordé avec jeu par une partie de la paroi périphérique dressée du cadre opposée et parallèle à la partie de paroi dressée en regard du bord du premier élément de recouvrement et la partie de paroi interne du cadre servant d'assise au bord du second élément de recouvrement comprend deux plots en un matériau élastomère solidaires de la face supérieure de cette partie de paroi interne d'assise perpendiculairement à celle-ci en étant espacés l'un de l'autre et qui sont engagés respectivement dans deux logements espacés du second élément de recouvrement débouchant du bord de ce second élément et en regard de la partie de paroi dressée opposée pour constituer deux butées de limitation du déplacement du second élément de recouvrement vers la partie de paroi dressée opposée lorsque le second élément de recouvrement est soumis à des charges roulantes élevées.The road device may comprise a second covering element constituted by a buffer or a rectangular triangle-shaped grid and disposed in the frame having its hypotenuse adjacent to the hypotenuse of the first covering element, the edge of the second covering element opposite to the edge of the first cover member being flush with clearance by a portion of the upstanding peripheral wall of the opposite frame and parallel to the facing wall portion facing the edge of the first cover member and the inner wall portion of the frame serving as seated at the edge of the second covering element comprises two pads made of an elastomeric material integral with the upper face of this inner wall portion of the seat perpendicular to it, being spaced apart from one another and which are engaged respectively in two spaced apart housing of the second covering element emerging from the edge of this second element and facing e the opposite upstanding wall portion to constitute two stops for limiting the displacement of the second cover member towards the opposed upstanding wall portion when the second cover member is subjected to high rolling loads.

Chaque plot engagé dans son logement correspondant du second élément de recouvrement constitue également une butée de limitation du déplacement du second élément de recouvrement suivant une direction sensiblement parallèle à la partie de paroi dressée en vis-à-vis du bord du second élément de recouvrement lorsque cet élément de recouvrement est soumis à des charges roulantes élevées de direction sensiblement perpendiculaire à celle des charges roulantes provoquant le déplacement du second élément de recouvrement vers la partie de paroi dressée en vis-à-vis.Each stud engaged in its corresponding recess of the second covering element also constitutes an abutment for limiting the displacement of the second covering element in a direction substantially parallel to the wall portion erected opposite the edge of the second covering element when this covering element is subjected to high rolling loads of direction substantially perpendicular to that of the rolling charges causing the displacement of the second cover member towards the wall portion erected vis-a-vis.

Selon une variante de réalisation, l'élément de recouvrement est un tampon ou une grille carré ou rectangulaire dont le bord opposé à l'autre bord précité est bordé avec jeu par une partie de la paroi périphérique dressée du cadre opposée et parallèle à la partie de paroi dressée en regard de l'autre bord de l'élément de recouvrement et la partie de paroi interne du cadre servant d'assise au bord opposé de l'élément de recouvrement comprend deux plots en un matériau élastomère solidaires de la face supérieure de cette partie de paroi interne d'assise perpendiculairement à celle-ci en étant espacés l'un de l'autre et qui sont engagés respectivement dans deux logements espacés de l'élément de recouvrement débouchant du bord de cet élément et en regard de la partie de paroi dressée correspondante pour constituer deux butées de limitation du déplacement de l'élément de recouvrement vers la partie de paroi dressée correspondante et parallèlement à cette dernière lorsque l'élément de recouvrement est soumis à des charges roulantes élevées.According to an alternative embodiment, the covering element is a square or rectangular pad or grid whose edge opposite the other aforementioned edge is flanked with play by a portion of the peripheral wall erected from the opposite frame and parallel to the portion wall facing up against the other edge of the cover member and the inner wall portion of the frame serving as a seat at the opposite edge of the cover member comprises two pads of an elastomeric material integral with the upper face of the this portion of inner wall seat perpendicular to it being spaced apart from each other and which are respectively engaged in two spaced apart housing of the cover element opening from the edge of this element and facing the part corresponding upstanding wall to constitute two stops for limiting the displacement of the covering element towards the corresponding upstanding wall part and in parallel with the latter when the covering element is subjected to high rolling loads.

De préférence, chaque plot de butée est constitué par un manchon cylindrique fixé sur la face supérieure de la partie correspondante de paroi interne d'assise par un boulon dont la vis traverse cette partie de paroi d'assise et le manchon.Preferably, each abutment stud is constituted by a cylindrical sleeve fixed on the upper face of the corresponding portion of the inner seat wall by a bolt whose screw passes through this part of the seat wall and the sleeve.

Le manchon est fixé en appui sur une pièce en U renversé solidaire de la face supérieure de la partie de paroi interne d'assise du cadre, l'âme du U renversé de la pièce étant traversée par le boulon qui est fixé à la partie de paroi interne d'assise par un écrou logé dans le U renversé de la pièce vissé au boulon de manière à bloquer axialement la tête du boulon à la face inférieure de la partie interne d'assise.The sleeve is fixed in abutment on an inverted U-shaped part secured to the upper face of the internal frame wall portion of the frame, the U-shaped soul of the part being traversed by the bolt which is fixed to the part of inner wall of the seat by a nut housed in the inverted U of the bolted piece so as to axially lock the head of the bolt to the underside of the inner portion of the seat.

De préférence, chaque plot de butée est à base de polychloroprène.Preferably, each abutment stud is based on polychloroprene.

Avantageusement, chaque plot de butée est logé dans le logement correspondant de l'élément de recouvrement suivant un jeu inférieur au jeu entre chaque partie de paroi périphérique dressée et le bord adjacent de l'élément de recouvrement.Advantageously, each abutment stud is housed in the corresponding housing of the covering element in a clearance less than the clearance between each erected peripheral wall portion and the adjacent edge of the covering element.

Chaque logement d'un élément de recouvrement vient de fonderie.Each housing of a covering element comes from foundry.

Lorsque le dispositif de voirie est pourvu de deux éléments de recouvrement en forme de triangle rectangle, ces derniers sont jumelés l'un à l'autre par au moins un boulon dont la vis traverse deux voiles parallèles solidaires des faces internes des deux éléments perpendiculairement à celles-ci et un manchon cylindrique en une matière plastique monté coaxialement à la vis du boulon entre les deux voiles.When the road device is provided with two rectangular triangle shaped cover elements, the latter are twinned to each other by at least one bolt whose screw passes through two parallel webs secured to the inner faces of the two elements perpendicular to these and a cylindrical sleeve of a plastic material coaxially mounted to the bolt screw between the two webs.

Avantageusement, le manchon est en appui par ses extrémités sur les deux faces internes en regard l'une de l'autre des deux voiles par l'intermédiaire respectivement de deux rondelles en un matériau élastomère.Advantageously, the sleeve is supported by its ends on the two inner faces facing each other of the two webs respectively by means of two washers made of an elastomeric material.

La tête de vis du boulon et l'écrou du boulon sont en appui sur les deux faces externes opposées des deux voiles par l'intermédiaire respectivement de deux rondelles en un matériau élastomère.The screw head of the bolt and the nut of the bolt are supported on the two opposite outer faces of the two webs respectively by means of two washers made of an elastomeric material.

De préférence, le manchon est du type polyamide, tel que du nylon, et chaque rondelle est à base de polychloroprène.Preferably, the sleeve is of the polyamide type, such as nylon, and each washer is based on polychloroprene.

Le cadre est de forme rectangulaire et constitué par deux longerons et deux traverses présentant chacun en section transversale au moins une forme en L.The frame is rectangular in shape and consists of two longitudinal members and two cross members each having a cross section at least one L-shaped.

L'invention vise également un cadre pour dispositif de voirie, comprenant une paroi périphérique dressée et une paroi interne destinée à servir d'assise à au moins un élément de recouvrement et perpendiculaire à la paroi dressée, tel qu'au moins une partie de la paroi interne d'assise comprend au moins un plot en un matériau élastomère fixé sur la face supérieure de la partie de paroi d'assise perpendiculairement à celle-ci, et caractérisé en ce queThe invention also relates to a framework for a road device, comprising an erected peripheral wall and an inner wall intended to serve as a seat for at least one covering element and perpendicular to the erected wall, such that at least a part of the internal seat wall comprises at least one pad made of an elastomeric material fixed on the upper face of the seat wall portion perpendicular thereto, and characterized in that

chaque plot est constitué par un manchon cylindrique fixé sur la face supérieure de la partie de paroi interne d'assise par un boulon dont la vis traverse cette partie de paroi d'assise et le manchon.each stud is constituted by a cylindrical sleeve fixed on the upper face of the inner wall portion of the seat by a bolt whose screw passes through this portion of the seat wall and the sleeve.

Le manchon est fixé en appui sur une pièce en U renversé solidaire de la face supérieure de la partie de paroi interne d'assise du cadre, l'âme du U renversé de la pièce étant traversée par le boulon qui est fixé à la partie de paroi interne d'assise par un écrou logé dans le U renversé de la pièce vissé au boulon de manière à bloquer axialement la tête de boulon à la face inférieure de la partie interne d'assise.The sleeve is fixed in abutment on an inverted U-shaped part secured to the upper face of the internal frame wall portion of the frame, the U-shaped soul of the part being traversed by the bolt which is fixed to the part of inner wall of the seat by a nut housed in the inverted U of the bolted piece so as to axially lock the bolt head to the underside of the inner portion of the seat.

De préférence, le plot est à base de polychloroprène.Preferably, the pad is based on polychloroprene.

L'invention sera mieux comprise, et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement dans la description explicative qui va suivre faite en référence aux dessins annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels :

  • la figure 1 est une vue de dessus en perspective d'un dispositif de voirie auquel s'applique l'invention ;
  • la figure 2 est une vue de dessus du dispositif de voirie de la figure 1 ;
  • la figure 3 est une vue de dessus semblable à celle de la figure 2 où deux éléments de recouvrement du -dispositif de voirie ont été retirés ;
  • la figure 4 est une vue en coupe suivant la ligne IV-IV de la figure 2 ;
  • la figure 5 est une vue agrandie de la partie cerclée en V de la figure 4 ;
  • la figure 6 est une vue en coupe suivant la ligne VI-VI de la figure 2 ;
  • la figure 7 est une vue agrandie de la partie cerclée en VII de la figure 6 ;
  • la figure 8 est une vue partielle en perspective agrandie suivant la flèche VIII de la figure 3 ;
  • la figure 9 est une vue partielle en perspective agrandie suivant la flèche IX de la figure 3 ;
  • la figure 10 est une vue en perspective de dessous d'un élément de recouvrement pouvant être logé dans une partie correspondante du cadre du dispositif de voirie ;
  • la figure 11 est une vue agrandie de la partie cerclée en XI de la figure 10 ;
  • la figure 12 est une vue en perspective de dessous d'un élément de recouvrement de l'invention ; et
  • la figure 13 est une vue en coupe suivant la ligne XIII-XIII de la figure 3.
The invention will be better understood, and other objects, characteristics, details and advantages thereof will appear more clearly in the explanatory description which will follow with reference to the accompanying drawings given solely by way of example illustrating an embodiment. of the invention and in which:
  • the figure 1 is a perspective top view of a roadway device to which the invention applies;
  • the figure 2 is a top view of the road device of the figure 1 ;
  • the figure 3 is a top view similar to that of the figure 2 where two roadway recovery elements were removed;
  • the figure 4 is a sectional view along line IV-IV of the figure 2 ;
  • the figure 5 is an enlarged view of the circled V-shaped portion of the figure 4 ;
  • the figure 6 is a sectional view along the line VI-VI of the figure 2 ;
  • the figure 7 is an enlarged view of the part circled in VII of the figure 6 ;
  • the figure 8 is a partial perspective view enlarged according to the arrow VIII of the figure 3 ;
  • the figure 9 is a partial perspective view enlarged along the arrow IX of the figure 3 ;
  • the figure 10 is a perspective view from below of a covering element that can be housed in a corresponding part of the frame of the road device;
  • the figure 11 is an enlarged view of the circled portion in XI of the figure 10 ;
  • the figure 12 is a perspective view from below of a cover member of the invention; and
  • the figure 13 is a sectional view along the line XIII-XIII of the figure 3 .

En se reportant aux figures, la référence 1 désigne un dispositif de voirie comprenant un cadre rectangulaire 2 et quatre éléments de recouvrement 3, 4, 5, 6 pouvant être disposés dans le cadre 2 comme représenté dans la plupart des figures pour fermer l'ouverture de ce cadre donnant accès à une cheminée de visite ou d'inspection d'un réseau souterrain.Referring to the figures, the reference numeral 1 designates a road device comprising a rectangular frame 2 and four covering elements 3, 4, 5, 6 which can be arranged in the frame 2 as shown in most of the figures for closing the opening of this frame giving access to a chimney of visit or inspection of an underground network.

Dans le cas présent, les éléments de recouvrement 3-6 sont constitués chacun par un tampon en forme de triangle rectangle de façon qu'à leur position de fermeture du cadre, les deux éléments de recouvrement adjacents 3, 4 ont leurs bords d'hypoténuses 3a, 4a adjacents l'un à l'autre et les deux autres éléments de recouvrement adjacents 5, 6 ont également leurs bords d'hypoténuses 5a, 6a adjacents l'un à l'autre. Les éléments de recouvrement 3 à 6 sont également disposés dans le cadre de façon que les deux éléments de recouvrement 4, 5 soient adjacents par deux de leurs bords droits respectifs 4b, 5b et que leurs autres bords droits respectifs 4c et 5c adjacents aux bords 4b, 5b soient disposés en regard respectivement des deux longerons parallèles et opposés 7, 8 du cadre 2. Les deux éléments de recouvrement opposés 3, 6 ont deux de leur bords droits respectifs 3b, 6b disposés en regard respectivement des deux traverses 9, 10 du cadre 2 fixées aux extrémités des deux longerons 7, 8 et leurs deux autres bords doits respectifs 3c, 6c adjacents aux bords 3b, 6b disposés en regard respectivement des deux longerons 8, 7.In the present case, the covering elements 3-6 are each constituted by a rectangular triangle-shaped pad so that at their closed position of the frame, the two adjacent overlapping elements 3, 4 have their edges of hypotenuses. 3a, 4a adjacent to each other and the other two adjacent overlapping members 5, 6 also have their hypotenuse edges 5a, 6a adjacent to each other. The covering elements 3 to 6 are also arranged in the frame so that the two covering elements 4, 5 are adjacent by two of their respective right edges 4b, 5b and their other respective right edges 4c and 5c adjacent to the edges 4b. 5b are disposed respectively facing the two parallel and opposite side members 7, 8 of the frame 2. The two opposite facing elements 3, 6 have two of their respective right edges 3b, 6b arranged respectively facing the two cross members 9, 10 of the frame 2 fixed to the ends of the two longitudinal members 7, 8 and their other two respective edges 3c, 6c adjacent to the edges 3b, 6b respectively arranged opposite the two longitudinal members 8, 7.

Chacun des éléments de recouvrement triangulés 3, 4, 5, 6 comprend une pluralité d'alvéoles 11 dans lesquelles peut être introduit un matériau de remplissage.Each of the triangulated covering elements 3, 4, 5, 6 comprises a plurality of cells 11 into which a filling material can be introduced.

A titre d'exemple, les éléments de recouvrement triangulés peuvent être réalisés en fonte de même que le cadre 2, mais ils peuvent être réalisés en toute autre matière telle que par exemple de l'acier.For example, the triangulated covering elements may be made of cast iron as the frame 2, but they may be made of any other material such as for example steel.

Cependant, le dispositif de voirie 1 n'est pas limité à l'utilisation de quatre tampons triangulés et s'appliquer à l'utilisation de seulement deux tampons triangulés ou de plusieurs paires de tampons triangulées disposées dans un, voire même, plusieurs cadres de support indépendants.However, the road device 1 is not limited to the use of four triangulated buffers and apply to the use of only two triangulated pads or several pairs of triangulated pads arranged in one or even more than one frame. independent support.

Les éléments de recouvrement peuvent également être constitués par des tampons de forme carrée ou rectangulaire disposés côte à côte dans leur cadre de support.The cover elements may also be constituted by square or rectangular shaped pads arranged side by side in their support frame.

Dans l'application du dispositif de voirie à des bouches d'égouts, les éléments de recouvrement sont constitués par des grilles pouvant présenter chacune une forme carrée ou rectangulaire ou la forme d'un triangle rectangle comme pour les tampons triangulés 3 à 6 décrits précédemment.In the application of the road system to manholes, the covering elements consist of grids that can each have a square or rectangular shape or the shape of a right triangle as for the triangulated pads 3 to 6 described above .

En revenant à nouveau aux figures 1 à 13, les longerons 7, 8 du cadre 2 présentent chacun en section transversale un profil en T renversé avec la paroi dressée 7a du longeron 7 adjacente aux deux bords 4c, 6c des deux éléments de recouvrement 4, 6 et la paroi dressée 8a du longeron 8 adjacente aux deux bords 3c, 5c des deux éléments de recouvrement 3, 5. Les parois dressées 7a, 8a des longerons 7, 8 définissent un jeu Ja avec les bords 4c, 6c et 3c, 5c des éléments de recouvrement 4, 6, 3, 5 ainsi qu'avec les coins d'extrémités correspondantes de ces éléments de recouvrement.Returning back to Figures 1 to 13 , the longitudinal members 7, 8 of the frame 2 each have, in cross section, an inverted T profile with the upstanding wall 7a of the spar 7 adjacent to the two edges 4c, 6c of the two covering elements 4, 6 and the upstanding wall 8a of the spar 8 adjacent to the two edges 3c, 5c of the two covering elements 3, 5. The upstanding walls 7a, 8a of the longitudinal members 7, 8 define a clearance Ja with the edges 4c, 6c and 3c, 5c of the covering elements 4, 6, 3 As well as with the corresponding end corners of these cover elements.

Les deux traverses 9, 10 du cadre 2 présentent en section transversale un profil en L ou en cornière avec la paroi dressée 9a de la traverse 9 adjacente au bord 3b de l'élément de recouvrement 3 et la paroi dressée 10b de la traverse 10 adjacente au bord 6b de l'élément de recouvrement 6. Les parois dressées 9a, des traverses 9, 10 définissent un jeu Jb avec les bords 3b, 6b des éléments de recouvrement 3, 6.The two crosspieces 9, 10 of the frame 2 have, in cross section, an L-shaped or angled profile with the upstanding wall 9a of the cross member 9 adjacent to the edge 3b of the covering element 3 and the upstanding wall 10b of the adjacent crossmember 10 at the edge 6b of the covering element 6. The upstanding walls 9a, crosspieces 9, 10 define a clearance Jb with the edges 3b, 6b of the covering elements 3, 6.

Ainsi, les parois dressées 7a, 8a des longerons 7, 8 et 9a, 10a des traverses 9, 10 du cadre 2 bordent avec jeu les bords 3b, 3c, 5c, 6b, 6c et 4c des éléments de recouvrement 3-6.Thus, the upstanding walls 7a, 8a of the longitudinal members 7, 8 and 9a, 10a of the crosspieces 9, 10 of the frame 2 flush with the edges 3b, 3c, 5c, 6b, 6c and 4c of the covering elements 3-6.

Le longeron 7 du cadre 2 a sa base du T renversé définissant une paroi interne 7b située dans le cadre 2 et une paroi externe 7c au cadre 2 s'étendant tout le long de la paroi dressée 7a perpendiculairement à cette dernière. La paroi interne 7b sert d'assise aux deux éléments de recouvrement 4, 6, c'est-à-dire que les bords 4c et 6c de ces éléments de recouvrement sont en appui sur la paroi interne 7b. Plus précisément, les bords 4c et 6c des éléments de recouvrement 4, 6 comportent des pieds de support P par exemple aux nombres de deux aux extrémités de chacun de ces bords et qui viennent en appui sur des patins correspondant 12 fixés, par exemple par soudage, sur la face supérieure de la paroi interne 7b. En outre, le coin d'extrémité de l'élément de recouvrement 5 défini par le bord d'hypoténuse 5a et le bord adjacent 5b repose également par un pied P sur un patin 12 solidaire de la face supérieure de la paroi interne 7b du longeron 7 et il en est de même en ce qui concerne le coin d'extrémité de l'élément de recouvrement-3 défini par le bord d'hypoténuse 3a et le bord adjacent 3b de cet élément.The spar 7 of the frame 2 has its base of the inverted T defining an inner wall 7b located in the frame 2 and an outer wall 7c to the frame 2 extending along the upright wall 7a perpendicular to the latter. The inner wall 7b serves as a seat for the two covering elements 4, 6, that is to say that the edges 4c and 6c of these cover elements are supported on the inner wall 7b. More specifically, the edges 4c and 6c of the covering elements 4, 6 comprise support legs P, for example at the number of two at the ends of each of these edges and which bear against corresponding pads 12 fixed, for example by welding on the upper face of the inner wall 7b. In addition, the end corner of the covering element 5 defined by the hypotenuse edge 5a and the adjacent edge 5b also rests with a foot P on a pad 12 secured to the upper face of the inner wall 7b of the spar. 7 and it is the same with respect to the end corner of the covering element-3 defined by the hypotenuse edge 3a and the adjacent edge 3b of this element.

Le longeron 8 du cadre 2 a sa base du T renversé définissant une paroi interne 8b disposée dans le cadre 2 et une paroi externe 8c au cadre 2 s'étendant tout le long de la paroi dressée 8a perpendiculairement à cette dernière. La paroi interne 8b sert d'assise aux deux éléments de recouvrement 3, 5. Plus précisément, les deux bords 3c, 5c des deux éléments de recouvrement 3, 5 reposent sur la paroi interne 8b du longeron 8 par l'intermédiaire de deux pieds P situés par exemple aux deux extrémités de chacun de ces bords, lesquels pieds sont en appui sur des patins 12 fixés, par exemple par soudage, sur la face supérieure de la paroi interne 8b du longeron 8. En outre, le coin d'extrémité de l'élément de recouvrement 4 défini entre son bord d'hypoténuse 4a et son bord adjacent 4b est également en appui sur la paroi interne 8b du longeron 8 par l'intermédiaire d'un pied P et un patin correspond 12 solidaire de la face supérieure de la paroi 8b et il en est de même en ce qui concerne le coin d'extrémité de l'élément de recouvrement 6 défini par son bord d'hypoténuse 6a et son bord adjacent 6b.The spar 8 of the frame 2 has its base of the inverted T defining an inner wall 8b disposed in the frame 2 and an outer wall 8c to the frame 2 extending along the upright wall 8a perpendicular to the latter. The inner wall 8b serves as a seat for the two covering elements 3, 5. More precisely, the two edges 3c, 5c of the two covering elements 3, 5 rest on the inner wall 8b of the spar 8 via two feet. P located for example at the two ends of each of these edges, which feet are supported on pads 12 fixed, for example by welding, on the upper face of the inner wall 8b of 8. Furthermore, the end corner of the covering element 4 defined between its hypotenuse edge 4a and its adjacent edge 4b is also supported on the inner wall 8b of the beam 8 via a foot P and a shoe 12 is integral with the upper face of the wall 8b and it is the same with respect to the end corner of the covering element 6 defined by its hypotenuse edge 6a and its adjacent edge 6b.

Les deux traverses 9, 10 comprennent une paroi externe 9b, 10b perpendiculaire à la paroi dressée 9a, 10a et qui s'étend dans un même plan que les parois 7b, 7c et 8b, 8c des longerons 7, 8.The two crosspieces 9, 10 comprise an outer wall 9b, 10b perpendicular to the upstanding wall 9a, 10a and which extends in the same plane as the walls 7b, 7c and 8b, 8c of the longitudinal members 7, 8.

Les parois externes 7c, 8c des longerons 7, 8 et les parois externes 9b, 10b des traverses 9, 10 servent à la fixation du cadre 2 au sol.The outer walls 7c, 8c of the longitudinal members 7, 8 and the outer walls 9b, 10b of the crosspieces 9, 10 are used for fixing the frame 2 to the ground.

Selon l'invention, la paroi interne d'assise 7b du longeron 7 comprend par sa partie située le long de la partie de paroi dressée 7a bordant le bord adjacent 4c de l'élément de recouvrement 4 deux plots 13 en un matériau élastomère solidaires de la face supérieure de la partie de paroi d'assise 7b perpendiculairement à cette dernière.According to the invention, the inner seat wall 7b of the spar 7 comprises, by its part situated along the upright wall portion 7a bordering the adjacent edge 4c of the covering element 4, two studs 13 made of an elastomer material integral with the upper face of the seat wall portion 7b perpendicular to the latter.

Les deux plots 13 sont espacés l'un de l'autre le long de la partie de paroi d'assise 7b du longeron 7 et le matériau les constituant est de préférence à base de polychloroprène connu sous la dénomination "néoprène" et qui est un élastomère synthétique.The two studs 13 are spaced from one another along the seat wall portion 7b of the spar 7 and the material constituting them is preferably based on polychloroprene known under the name "neoprene" and which is a synthetic elastomer.

De même, la partie de paroi interne d'assise 7b située le long de la partie de paroi dressée 7a du longeron 7 bordant le bord adjacent 6c de l'élément de recouvrement 6 comprend deux plots 13 en un matériau élastomère identiques aux plots 13 précédemment décrits et qui sont solidaires de la face supérieure de la partie de paroi d'assise 7b perpendiculairement à cette dernière.Similarly, the inner seat wall portion 7b located along the upstanding wall portion 7a of the spar 7 bordering the adjacent edge 6c of the cover member 6 comprises two studs 13 of an elastomeric material identical to the pads 13 previously described and which are integral with the upper face of the seat wall portion 7b perpendicular to the latter.

En outre, la paroi interne d'assise 8b du longeron 8 comprend deux paires de plots 13 en un matériau élastomère identiques aux plots précédemment décrits et qui sont fixés à la face supérieure de la paroi d'assise 8b perpendiculairement à celle-ci en étant espacés les uns des autres le long de la paroi 8b. Deux plots 13 d'une même paire sont fixés à la partie de paroi interne d'assise 8b située le long de la partie de paroi dressée 8a bordant le bord adjacent 3c de l'élément de recouvrement 3 tandis que les deux autres plots 13 de l'autre paire sont situés sur la partie de paroi interne d'assise 8b située le long de la partie de paroi dressée 8a bordant le bord adjacent 5c de l'élément de recouvrement 5.In addition, the inner seat wall 8b of the spar 8 comprises two pairs of studs 13 of a material identical elastomeric pads previously described and which are fixed to the upper face of the seat wall 8b perpendicularly thereto being spaced apart from each other along the wall 8b. Two studs 13 of the same pair are attached to the inner seat wall portion 8b located along the upright wall portion 8a bordering the adjacent edge 3c of the cover member 3 while the other two studs 13 of the other pair are located on the inner seat wall portion 8b located along the upstanding wall portion 8a bordering the adjacent edge 5c of the cover member 5.

Les plots en matériau élastomère 13 fixés à la paroi d'assise 7b du longeron 7 et les plots en matériau élastomère 13 fixés sur la paroi d'assise 8b du longeron 8 sont deux à deux situés suivant un même axe perpendiculaire aux deux longerons 7, 8.The pads of elastomeric material 13 fixed to the seat wall 7b of the spar 7 and the pads made of elastomeric material 13 fixed to the seat wall 8b of the spar 8 are pairwise located along the same axis perpendicular to the two side members 7, 8.

De préférence, chaque plot 13 est constitué par un manchon cylindrique qui est fixé sur la face supérieure de la partie correspondante de paroi interne d'assise 7b, 8b d'un longeron 7, 8 par un boulon 14 dont la vis 15 traverse la partie de paroi d'assise correspondante 7b, 8b et le plot 13, et l'écrou 16, du genre nylstop,---opposé à la partie de paroi d'assise 7b, 8b, maintient axialement le plot 13 en étant en appui sur la face supérieure de ce dernier.Preferably, each stud 13 is constituted by a cylindrical sleeve which is fixed on the upper face of the corresponding portion of the inner seat wall 7b, 8b of a spar 7, 8 by a bolt 14, the screw 15 passes through the portion corresponding seat wall 7b, 8b and the pad 13, and the nut 16, of the nylstop kind, --- opposite to the seat wall portion 7b, 8b, axially holds the pad 13 while bearing on the upper face of the latter.

Le plot 13 est maintenu en appui par son extrémité inférieure sur l'âme d'une pièce en U renversé 17 fixée, par exemple par soudage, sur la face supérieure de partie de paroi d'assise 7b, 8b. L'âme de la pièce en U reversé s'étend parallèlement à la paroi dressée correspondante 7a, 8a du longeron 7, 8.The stud 13 is held in abutment by its lower end on the core of an U-shaped part 17 fixed, for example by welding, on the upper face of the seat wall portion 7b, 8b. The core of the upright U-shaped piece extends parallel to the corresponding upstanding wall 7a, 8a of the spar 7, 8.

La vis 15 du boulon de fixation 14 est fixée à la partie de paroi d'assise 7b, 8b par un écrou 18, par exemple carré, logé dans la pièce en U renversé 17 et permettant de bloquer la tête 15a de la vis 15 en appui sur la face inférieure de la partie de la paroi d'assise 7b, 8b par l'intermédiaire de deux rondelles 19.The screw 15 of the fixing bolt 14 is fixed to the seat wall portion 7b, 8b by a nut 18, for example square, housed in the inverted U-shaped part 17 and for locking the head 15a of the screw 15 support on the underside of the portion of the seat wall 7b, 8b by means of two washers 19.

Chaque plot 13 peut être serré sur la pièce en U renversé 17 par le boulon 14 sans être axialement déformé élastiquement par compression et le matériau en élastomère du plot 13 permet une déformation élastique en direction radiale comme on le verra ultérieurement.Each pad 13 can be clamped on the U-shaped part 17 by the bolt 14 without being axially elastically deformed by compression and the elastomer material of the stud 13 allows an elastic deformation in the radial direction as will be seen later.

Chaque élément de recouvrement 3, 4, 5, 6 comprend deux excavations 20 venant de fonderie avec l'élément de recouvrement et qui sont réalisées dans le bord correspondant 3c, 4c, 5c, 6c de l'élément en débouchant de ce bord vers l'extérieur.Each covering element 3, 4, 5, 6 comprises two excavations 20 coming from the foundry with the covering element and which are formed in the corresponding edge 3c, 4c, 5c, 6c of the element opening from this edge towards the 'outside.

Chaque excavation 20 s'étend de la face externe ou supérieure de l'élément de recouvrement correspondant suivant une direction générale perpendiculaire à cette face sans déboucher de cette dernière.Each excavation 20 extends from the outer or upper face of the corresponding covering element in a general direction perpendicular to this face without opening the latter.

A titre d'exemple, comme cela ressort mieux de la figure 7, chaque excavation 20 présente en section suivant un plan perpendiculaire à la face externe de l'élément de recouvrement correspondant et parallèle à son bord une partie supérieure borgne généralement semicylindrique 21 prolongée, à l'opposé de la face externe de l'élément de recouvrement, par une partie inférieure évasée vers le bas 22 de forme générale de demi-tronc de cône, et débouchant à l'opposé de la face externe de l'élément de recouvrement.By way of example, as is clear from the figure 7 each excavation 20 has in section in a plane perpendicular to the outer face of the corresponding covering member and parallel to its edge a generally semicylindrical upper blind portion 21 extended, opposite the outer face of the covering element , by a bottom flared bottom portion 22 of generally half-truncated cone, and opening opposite the outer face of the cover member.

Les deux excavations 20 d'un élément de recouvrement sont espacées l'une de l'autre le long du bord correspondant de cet élément d'une distance égale à la distance séparant deux plots en élastomère 13 d'une partie de paroi d'assise 7b, 8b des longerons 7, 8 du cadre 2.The two excavations 20 of a covering element are spaced from each other along the corresponding edge of this element by a distance equal to the distance separating two elastomeric pads 13 from a portion of the seat wall. 7b, 8b of the longitudinal members 7, 8 of the frame 2.

Ainsi, lorsque chaque élément de recouvrement 3-6 occupe sa position d'obturation de l'ouverture du cadre 2, deux excavations 20 d'un élément de recouvrement 3-6 sont en regard de la partie de paroi dressée correspondante 7a, 8a du longeron 7, 8 et deux des plots 13 solidaires de la partie de paroi dressée 7b, 8b de ces longerons sont logés avec jeu respectivement dans les deux excavations 20 de l'élément de recouvrement correspondant.Thus, when each covering element 3-6 occupies its closed position of the opening of the frame 2, two excavations 20 of a covering element 3-6 are opposite the corresponding upstanding wall portion 7a, 8a of the spar 7, 8 and two of the studs 13 secured to the upright wall portion 7b, 8b of these longitudinal members are housed with clearance respectively in the two excavations 20 of the corresponding covering element.

Comme cela ressort mieux de la figure 5, chaque ensemble à plot 13 et écrou 16 est logé dans l'excavation correspondante 20 d'un élément de recouvrement et le jeu radial Jc entre le manchon du plot 13 et la face interne de la partie supérieure 21 de l'excavation 20 suivant une direction perpendiculaire à la paroi dressée dans le cas présent 7a du longeron 7 reste toujours inférieur au jeu Ja entre le bord supérieur de l'élément de recouvrement 4 et la paroi 7a.As it stands out better from figure 5 each stud assembly 13 and nut 16 is housed in the corresponding excavation 20 of a covering element and the radial clearance Jc between the sleeve of the stud 13 and the internal face of the upper part 21 of the excavation 20 in a manner that perpendicular direction to the wall erected in the present case 7a of the spar 7 remains always lower than the clearance Ja between the upper edge of the cover member 4 and the wall 7a.

Dans ces conditions, les deux plots 13 logés respectivement dans deux excavations 20 d'un élément de recouvrement 3-6 constituent des butées de limitation du déplacement de l'élément de recouvrement vers la partie de paroi dressée correspondante 7a, 8a lorsque l'élément de recouvrement est soumis à des efforts importants dirigés sensiblement perpendiculairement vers la partie de paroi dressée correspondante 7a, 8a des longerons 7, 8 résultant de charges roulantes élevées dues à un trafic important de véhicules circulant sur l'élément de recouvrement.Under these conditions, the two studs 13 respectively housed in two excavations 20 of a covering element 3-6 constitute stops for limiting the displacement of the covering element towards the corresponding upstanding wall part 7a, 8a when the element overlap is subjected to significant forces directed substantially perpendicular to the corresponding upright wall portion 7a, 8a of the longitudinal members 7, 8 resulting from high rolling loads due to a large traffic of vehicles traveling on the cover element.

En effet, lorsque l'élément de recouvrement 3-6 se déplace vers la partie de paroi dressée correspondante 7b, 8b des longerons 7, 8, la face interne de la partie supérieure 21 de chaque excavation 20 vient en appui sur le plot 13 qui est radialement déformé élastiquement mais dont la compressibilité radiale est telle qu'il empêche aux bords 3c ; 4c ; 5c ; 6c des éléments de recouvrement correspondant 3-6 de heurter la partie de paroi dressée correspondante 7a, 8a, réduisant de la sorte considérablement les nuisances sonores.Indeed, when the covering element 3-6 moves towards the corresponding upstanding wall portion 7b, 8b of the longitudinal members 7, 8, the inner face of the upper portion 21 of each excavation 20 bears on the stud 13 which is radially elastically deformed but whose radial compressibility is such that it prevents the edges 3c; 4c; 5c; 6c corresponding overlapping elements 3-6 to strike the corresponding upstanding wall portion 7a, 8a, thereby substantially reducing noise nuisance.

Les plots 13 se comportent ainsi comme des silentblocs permettant de réduire les nuisances sonores lors de tout déplacement des éléments de recouvrement 3-6 dans leur cadre lorsque soumis à un trafic intense de véhicules.The pads 13 thus behave as silentblocs to reduce noise during any displacement of the covering elements 3-6 in their setting when subjected to heavy vehicle traffic.

En outre, la figure 7 montre que, suivant une direction parallèle à la partie de paroi dressée 7a, 8a des longerons 7, 8, la partie supérieure 21 de chaque excavation 20 définit avec le plot en élastomère correspondant 13 deux jeux Jc, chacun égal au jeu Jc défini précédemment de façon que les deux plots 13 logés dans les excavations 20 d'un élément de recouvrement constituent deux butées de limitation du déplacement de cet élément suivant une direction sensiblement parallèle à la partie de paroi dressée 7a, 8a située en regard du bord correspondant de l'élément de recouvrement lorsque ce dernier est soumis à des charges roulantes élevées, résultant d'un trafic intense de véhicules, et de direction sensiblement perpendiculaire à celle des charges roulantes provoquant le déplacement de cet élément de recouvrement vers la partie de paroi dressée 7a, 8a des longerons 7, 8. De la sorte, les plots 13 consistent également des butées de limitation du déplacement d'au moins les deux éléments de recouvrement opposés 3, 6 vers les parois dressées 9a, 10a des traverses 9,- 10 pour empêcher les bords 3b, 6b de ces éléments de heurter les parois dressées 9a, 10a, réduisant ainsi les nuisances sonores.In addition, the figure 7 shows that, in a direction parallel to the upstanding wall portion 7a, 8a of the longitudinal members 7, 8, the upper portion 21 of each excavation 20 defines with the corresponding elastomeric pad 13 two sets Jc, each equal to the set Jc previously defined of way that the two studs 13 housed in the excavations 20 of a covering member constitute two stops for limiting the displacement of this element in a direction substantially parallel to the upstanding wall portion 7a, 8a located opposite the corresponding edge of the covering element when the latter is subjected to high rolling loads, resulting from heavy vehicle traffic, and direction substantially perpendicular to that of the rolling charges causing the displacement of this covering element towards the upstanding wall portion 7a, 8a struts 7, 8. In this way, the pads 13 also consist of stops limiting the displacement of at least the two opposing covering elements 3, 6 to the upright walls 9a, 10a of the crosspieces 9, - 10 to prevent the edges 3b, 6b of these elements from striking the raised walls 9a, 10a, thus reducing the noise nuisance.

La figure 13 est une vue de dessous montrant l'assemblage ou le jumelage de deux éléments de recouvrement 3 et 4 ou 5 et 6 en triangle rectangle.The figure 13 is a bottom view showing the assembly or the pairing of two overlapping elements 3 and 4 or 5 and 6 in a right triangle.

Ainsi, deux éléments de recouvrement 3, 4 ou 5, 6 d'une même paire et adjacents par leurs hypoténuses respectives 3a, 4a ou 5a, 6a sont assemblés l'un à l'autre par au moins un boulon 30 dont la vis 31 traverse deux voiles sensiblement parallèles 32 solidaires des faces internes des deux éléments de recouvrement, par exemple les éléments 3, 4, perpendiculairement à celles-ci, les deux voiles 32 étant également disposés sensiblement parallèlement aux deux bords d'hypoténuse 3a, 4a de ces deux éléments de recouvrement.Thus, two overlapping elements 3, 4 or 5, 6 of the same pair and adjacent by their respective hypotenuses 3a, 4a or 5a, 6a are assembled to each other by at least one bolt 30 whose screw 31 crosses two substantially parallel webs 32 secured to the internal faces of the two covering elements, for example the elements 3, 4, perpendicular to them, the two webs 32 being also arranged substantially parallel to the two hypotenuse edges 3a, 4a of these two cover elements.

Un manchon cylindrique 33 en une matière plastique est monté coaxialement à la vis 31 du boulon 30 entre les deux voiles 32 et le manchon 33 est en appui par ses extrémités sur les deux faces internes en regard l'une de l'autre des deux voiles 32 par l'intermédiaire respectivement de deux rondelles 34 également en un matériau élastomère.A cylindrical sleeve 33 of a plastic material is mounted coaxially with the screw 31 of the bolt 30 between the two webs 32 and the sleeve 33 is supported by its ends on the two inner faces facing each other of the two sails 32 respectively via two washers 34 also made of an elastomeric material.

La vis 31 du boulon 30 s'étend perpendiculairement au travers des deux voiles 32 et a sa tête 31a en appui sur l'une des faces d'un voile 32 opposée au manchon 33 par l'intermédiaire d'une rondelle en un matériau élastomère 35 avec interposition d'une rondelle métallique 36 entre la rondelle 35 et la tête de vis 31a. L'écrou 37, par exemple du type nylstop, du boulon 30 est en appui sur la face externe de l'autre voile 32 opposée au manchon 33, par l'intermédiaire d'une rondelle en un matériau élastomère 38 avec interposition d'une rondelle métallique 39 entre la rondelle 38 et l'écrou 37.The screw 31 of the bolt 30 extends perpendicularly through the two webs 32 and has its head 31a resting on one of the faces of a web 32 opposite the sleeve 33 via a washer made of an elastomeric material 35 with the interposition of a metal washer 36 between the washer 35 and the screw head 31a. The nut 37, for example of the nylstop type, of the bolt 30 is supported on the outer face of the other web 32 opposite the sleeve 33, by means of a washer made of an elastomeric material 38 with the interposition of a metal washer 39 between the washer 38 and the nut 37.

De préférence, le manchon 33 est du type polyamide, tel que par exemple du nylon, et les rondelles 34, 35 et 38 sont en -un matériau à base de -polychloroprène comme pour les plots 13 et deux éléments de recouvrement adjacents 3, 4 ; 5, 6 sont assemblés l'un à l'autre par deux boulons parallèles espacés 30.Preferably, the sleeve 33 is of the polyamide type, such as for example nylon, and the washers 34, 35 and 38 are made of a polychloroprene-based material as for the studs 13 and two adjacent overlapping elements 3, 4 ; 5, 6 are assembled to each other by two spaced parallel bolts 30.

L'assemblage de deux éléments de recouvrement triangulés 3, 4 ; 5, 6 par l'ensemble à boulon 30, manchon 33 et rondelles 34, 35, 38 permet de limiter le déplacement l'un par rapport à l'autre de ces deux éléments pour empêcher que leurs bords d'hypoténuses 3a, 4a ; 5a, 6a viennent en contact l'un contre l'autre lorsque les deux éléments de recouvrement sont soumis à des charges roulantes élevées dues à un trafic intense de véhicules, réduisant les nuisances sonores.The assembly of two triangulated covering elements 3, 4; 5, 6 by the bolt assembly 30, sleeve 33 and washers 34, 35, 38 can limit the displacement relative to each other of these two elements to prevent their edges of hypotenuses 3a, 4a; 5a, 6a come into contact with each other when the two covering elements are subjected to high rolling loads due to heavy traffic of vehicles, reducing noise.

Comme déjà expliqué précédemment, le dispositif de voirie de l'invention peut s'appliquer à des éléments de recouvrement, chacun de forme carrée ou rectangulaire et constitué par un tampon ou une grille et qui peuvent être disposés dans un ou plusieurs cadres.As already explained above, the road device of the invention can be applied to elements of covering, each of square or rectangular shape and constituted by a buffer or a grid and which can be arranged in one or more frames.

Dans ce cas, les parties de paroi internes d'assise opposées du cadre situées le long des parties de parois dressées correspondantes de ce cadre et bordant avec jeu respectivement deux bords parallèles opposés d'un élément de recouvrement carré ou rectangulaire comprennent deux paires opposées de plots en un matériau élastomère solidaires des parties de paroi d'assise perpendiculairement à ces dernières et qui sont engagés respectivement dans deux logements de l'élément de recouvrement débouchant des deux bords opposés de cet élément en regard des parties de parois dressées du cadre pour constituer des butées de limitation du déplacement de l'élément de recouvrement vers les parties de parois dressée opposées du cadre ou parallèlement à celles-ci lorsque l'élément de recouvrement est soumis à des charges roulantes élevées de directions opposées, l'une perpendiculaire aux parties de parois dressées du cadre et l'autre parallèle à ces parties de parois dressées.In this case, the opposite, inwardly facing, wall portion portions of the frame along the corresponding upstanding wall portions of this frame and bordering with clearance respectively two opposite parallel edges of a square or rectangular cover member comprise two opposed pairs of pads made of an elastomeric material integral with the seat wall portions perpendicularly to the latter and which are respectively engaged in two housings of the covering element emerging from the two opposite edges of this element facing the parts of the erected walls of the frame to constitute stops for limiting the displacement of the cover member towards opposite upstanding portions of the frame or parallel thereto when the cover member is subjected to high rolling loads in opposite directions, one perpendicular to the parts erected walls of the frame and the other parallel to these parts by erected.

Le dispositif de voirie de l'invention permet de limiter le déplacement d'un ou plusieurs éléments de recouvrement dans un ou plusieurs cadres correspondants et de réduire efficacement les nuisances sonores lors de ces déplacements dus à un trafic intense de véhicules roulants sur chacun de ces éléments de recouvrement.The road device of the invention makes it possible to limit the displacement of one or more covering elements in one or more corresponding frames and to effectively reduce the noise nuisance during these displacements due to an intense traffic of vehicles on each of these vehicles. covering elements.

Claims (20)

  1. A street ironwork comprising a frame (2) and at least one covering element (3, 4, 5, 6) positioned in the frame (2) including an upright peripheral wall (7a, 8a), one portion of which borders, with play (Ja), on at least one adjacent edge (3c, 4c, 5c, 6c) of the covering element (3, 4, 5, 6) and an inner bearing wall (7b, 8b) of the covering element perpendicular to the upright peripheral wall (7a, 8a), such that the inner bearing wall (7b, 8b) comprises, at its portion situated along the upper wall portion (7a, 8a) bordering the adjacent edge (3c, 4c, 5c, 6c) of the covering element (3, 4, 5, 6), at least one stud (13) made from an elastomer material that is engaged in a housing (20) of the covering element (3, 4, 5, 6) emerging from the adjacent edge (3c, 4c, 5c, 6c) of the element and across from the upright wall portion (7a, 8a) to form an abutment limiting the movement of the covering element (3, 4, 5, 6) toward the upper wall portion (7a, 8a) when the covering element is subjected to intense moving loads, characterized in that the stud (13) is secured to the upper face of the bearing wall (7b, 8b) perpendicular thereto.
  2. The ironwork according to claim 1, characterized in that the inner bearing wall portion (7b, 8b) comprises two studs (13) made from an elastomer material that are secured to the upper face of the bearing wall portion (7b, 8b) perpendicular thereto while being spaced apart from each other and which are respectively engaged in two separate housings (20) of the covering element (3, 4, 5, 6) emerging from the adjacent edge (3c, 4c, 5c, 6c) of that element and across from the corresponding upright wall portion (7a, 8a) to form two abutments limiting the movement of the covering element (3, 4, 5, 6) toward the upper wall portion (7a, 8a) when the covering element is subjected to intense moving loads.
  3. The ironwork according to claim 1 or 2, characterized in that each stud (13) engaged in its corresponding housing (20) of the covering element (3, 4, 5, 6) also makes up an abutment limiting the movement of the covering element in a direction substantially parallel to the upright wall portion (7a, 8a) across from the edge (3c, 4c, 5c, 6c) of the covering element (3, 4, 5, 6) when the covering element is subjected to intense moving loads in a direction substantially perpendicular to that of the rolling loads causing the movement of the covering element (3, 4, 5, 6) toward the upper wall portion (7a, 8a).
  4. The ironwork according to any one of the preceding claims, characterized in that each covering element (3, 4, 5, 6) is a manhole cover or a grate in the shape of a right-angled triangle.
  5. The ironwork according to claim 4, characterized in that it comprises a second covering element (3, 4, 5, 6) made up of a manhole cover or grate in the shape of a right-angled triangle positioned in the frame (2) while having its hypotenuse adjacent to the hypotenuse of the first covering element (3, 4, 5, 6), in that the edge of the second covering element across from the edge of the first covering element is bordered, with play (Ja), by part of the upright peripheral wall (7a, 8a) of the frame (2) across from and parallel to the upright wall portion (7a, 8a) across from the edge of the first covering element (3, 4, 5, 6), and in that the inner wall portion (7b, 8b) of the frame (2) serving as a seat for the edge of the second covering element (3, 4, 5, 6) comprises two studs (13) made from an elastomer material that are secured to the upper face of said inner bearing wall portion perpendicular thereto while being spaced apart from each other and which are respectively engaged in two separate housings (20) of the second covering element (3, 4, 5, 6) emerging from the edge of that second element and facing the opposite upright wall portion (7a, 8a) to form two abutments limiting the movement of the second covering element (3, 4, 5, 6) with the opposite upright wall portion (7a, 8a) when the second covering element is subjected to intense moving loads.
  6. The ironwork according to claim 5, characterized in that each stud (13) engaged in its corresponding housing (20) of the second covering element (3, 4, 5, 6) also makes up an abutment limiting the movement of the second covering element in a direction substantially parallel to the upright wall portion (7a, 8a) across from the edge (3c, 4c, 5c, 6c) of the second covering element when said covering element is subjected to intense moving loads in a direction substantially perpendicular to that of the rolling loads causing the second covering element (3, 4, 5, 6) to move toward the opposite upright wall portion (7a, 8a).
  7. The ironwork according to one of claims 1 and 3, characterized in that covering element (3, 4, 5, 6) is a square or rectangular manhole cover or grate whereof the edge (3c, 4c, 5c, 6c) across from the other aforementioned edge (3c, 4c, 5c, 6c) is bordered, with play (Ja), by part of the upright peripheral wall of the opposite frame (2) and parallel to the upright wall portion (7a, 8a) across from the other edge of the covering element (3, 4, 5, 6), and in that the inner wall portion (7b, 8b) of the frame (2) serving as a seat for the opposite edge (3c, 4c, 5c, 6c) of the covering element (3, 4, 5, 6) comprises two studs (13) made from an elastomer material that are secured to the upper face of said inner bearing wall portion perpendicular thereto while being spaced apart from each other and which are respectively engaged in two separate housings (20) of the covering element (3, 4, 5, 6) emerging from the edge (3c, 4c, 5c, 6c) of said element and opposite the corresponding upright wall portion (7a, 8a) to form two abutments limiting the travel of the covering element (3, 4, 5, 6) toward the corresponding upright wall portion (7a, 8a) and parallel thereto when the covering element (3, 4, 5, 6) is subjected to intense moving loads.
  8. The ironwork according to one of the preceding claims, characterized in that each abutment stud (13) is formed by a cylindrical sleeve fastened on the upper face of the corresponding inner bearing wall portion (7b, 8b) by a bolt (14) whereof the screw (15) passes through said bearing wall portion and the sleeve (13).
  9. The ironwork according to claim 8, characterized in that the sleeve (13) is fastened bearing on an upside down U-shaped part (17) secured to the upper face of the inner bearing wall portion (7b, 8b) of the frame (2), the core of the upside down U of the part (17) being passed through by the bolt (14), which is fastened to the inner bearing wall portion (7b, 8b) by a nut (18) housed in the upside down U of the part screwed to the bolt (14) so as to axially lock the head (15a) of the bolt to the lower face of the inner bearing portion (7b, 8b).
  10. The ironwork according to one of the preceding claims, characterized in that each abutment stud (13) has a base of polychloroprene.
  11. The ironwork according to one of the preceding claims, characterized in that each abutment stud (13) is housed in the corresponding housing (20) of the covering element (3, 4, 5, 6) with a play (Jc) smaller than the play (Ja) between each upright peripheral wall portion (7a, 8a) and the adjacent edge (3c, 4c, 5c, 6c) of the covering element (3, 4, 5, 6).
  12. The ironwork according to one of the preceding claims, characterized in that each housing (20) of a covering element (3, 4, 5, 6) is cast.
  13. The ironwork according to claim 5 or 6, characterized in that the two covering elements (3, 4, 5, 6) in the form of a right-angled triangle are twinned to each other by at least one bolt (30) whereof the screw (31) passes through two parallel sheets (32) secured to the inner faces of the two elements perpendicular thereto and a cylindrical sleeve (33) made from a plastic material mounted coaxially to the screw (31) of the bolt (30) between the two sheets (32).
  14. The ironwork according to claim 13, characterized in that the sleeve (33) bears by its ends on the two opposite inner faces of the two sheets (32) by means respectively of two washers (34) made from an elastomer material.
  15. The ironwork according to claim 13 or 14, characterized in that the screw (31) head (31a) of the bolt (30) and the nut (37) of the bolt (30) bear on the two opposite outer faces of the two sheets (32) respectively by means of two washers (38) made from an elastomer material.
  16. The ironwork according to claim 15, characterized in that the sleeve (33) is of the polyamide type, such as nylon, and each washer (34, 38) has a base of polychloroprene.
  17. The ironwork according to one of the preceding claims, characterized in that the frame (2) is rectangular and made up of two beams (7) and two cross-pieces (9) each having at least one L shape in transverse cross-section.
  18. A frame for a street ironwork, comprising an upright peripheral wall (7a, 8a) and an inner wall (7b, 8b) designed to serve as a seat for at least one covering element and perpendicular to the upright wall (7a, 8a), such that at least part of the inner bearing wall (7b, 8b) comprises at least one stud (13) made from an elastomer material fastened on the upper face of the bearing wall portion (7b, 8b) perpendicular thereto, and characterized in that each stud (13) is made up of a cylindrical sleeve fastened on the upper face of the inner bearing wall portion (7b, 8b) by a bolt (14) whereof the screw (15) passes through said bearing wall portion and the sleeve (13).
  19. The frame according to claim 18, characterized in that the sleeve (13) is fastened bearing on an upside down U-shaped part (17) secured to the upper face of the inner bearing wall portion (7b, 8b) of the frame (2), the core of the upside down U of the part (17) being passed through by the bolt (14), which is secured to the inner bearing wall portion by a nut (16) housed in the upside down U of the part (17) screwed to the bolt (14) so as to axially lock the head (15a) of the bolt to the lower face of the inner bearing portion (7b, 8b).
  20. The frame according to claim 19, characterized in that the stud (13) has a base of polychloroprene.
EP10805268.9A 2009-12-17 2010-11-24 Street ironwork having a frame and at least one covering element having limited movement within said frame Active EP2513380B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL10805268T PL2513380T3 (en) 2009-12-17 2010-11-24 Street ironwork having a frame and at least one covering element having limited movement within said frame
SI201030459T SI2513380T1 (en) 2009-12-17 2010-11-24 Street ironwork having a frame and at least one covering element having limited movement within said frame
CY20131101111T CY1114840T1 (en) 2009-12-17 2013-12-09 ROAD NETWORK CONSTRUCTION, WITH A FRAMEWORK AND A ROOM WITH A LIMITED MOVEMENT WITHIN A FRAMEWORK

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0959149A FR2954368B1 (en) 2009-12-17 2009-12-17 FRAMED ROAD DEVICE AND AT LEAST ONE LIMITED-DISPLACEMENT COVERING MEMBER IN THIS FRAMEWORK
PCT/FR2010/052512 WO2011073548A1 (en) 2009-12-17 2010-11-24 Street ironwork having a frame and at least one covering element having limited movement within said frame

Publications (2)

Publication Number Publication Date
EP2513380A1 EP2513380A1 (en) 2012-10-24
EP2513380B1 true EP2513380B1 (en) 2013-10-09

Family

ID=42329333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10805268.9A Active EP2513380B1 (en) 2009-12-17 2010-11-24 Street ironwork having a frame and at least one covering element having limited movement within said frame

Country Status (11)

Country Link
EP (1) EP2513380B1 (en)
CN (1) CN102656321B (en)
CY (1) CY1114840T1 (en)
ES (1) ES2439065T3 (en)
FR (1) FR2954368B1 (en)
PL (1) PL2513380T3 (en)
PT (1) PT2513380E (en)
RS (1) RS53035B (en)
SG (1) SG181713A1 (en)
SI (1) SI2513380T1 (en)
WO (1) WO2011073548A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3011257B1 (en) * 2013-09-30 2015-11-06 Saint Gobain Pont A Mousson BUFFER ASSEMBLY, CORRECTION DEVICE AND USE THEREOF

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1480364A (en) * 1966-03-31 1967-05-12 Sambre & Meuse Usines Stamp for gaze and gaze with this pad
DE2037373A1 (en) * 1970-07-22 1972-02-03 Guss und Armaturwerk Kaiserslau tern Nachf Karl Billand, 6750 Kaisers lautern Manhole cover
JPS5550198Y2 (en) * 1977-12-20 1980-11-21
DE2906085A1 (en) * 1979-02-17 1980-08-28 Friedrich Biehlmeyer Shaft cover with circular lid and frame - has triangular middle section and complementary side sections, elastically coupled
JPH0526126Y2 (en) * 1986-04-30 1993-07-01
DE9006130U1 (en) * 1990-05-30 1990-08-02 Kessel, Bernhard, 8071 Lenting Securing device for a cover
FR2674550B1 (en) * 1991-03-27 1993-05-21 Pont A Mousson MEANS FOR SECURING A COVERING PIECE TO A ROAD PIECE FRAME.
CN2433306Y (en) * 2000-07-25 2001-06-06 颜克初 Anti-impact-sound and anti-theft manhole cover
US6344137B1 (en) * 2000-10-05 2002-02-05 Feng-I Chiang Superimposed drain cover
DE20103474U1 (en) * 2001-02-28 2001-05-10 Betonwerk Und Eisengieserei Be Unit
DE20103717U1 (en) * 2001-03-05 2001-08-02 Gisbert Brinkschulte G M B H & Manhole cover with damping ring
US6688806B2 (en) * 2001-08-21 2004-02-10 Huan-Chang Kuan Jump-proof manhole-handhole
CN2526349Y (en) * 2002-02-10 2002-12-18 王兴翔 Anti-skid anti-theft road lamp terminal box manhole cover
CN2866621Y (en) * 2006-01-12 2007-02-07 佛山市水业集团公司 Antitheft and noiseproof manhole cover
CN100572690C (en) * 2008-04-03 2009-12-23 徐长云 Integral squelch anti-stealing manhole cover

Also Published As

Publication number Publication date
CY1114840T1 (en) 2016-12-14
RS53035B (en) 2014-04-30
SI2513380T1 (en) 2014-01-31
PT2513380E (en) 2013-12-16
FR2954368A1 (en) 2011-06-24
WO2011073548A1 (en) 2011-06-23
FR2954368B1 (en) 2012-08-17
SG181713A1 (en) 2012-07-30
PL2513380T3 (en) 2014-03-31
ES2439065T3 (en) 2014-01-21
CN102656321A (en) 2012-09-05
CN102656321B (en) 2015-04-22
EP2513380A1 (en) 2012-10-24

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