EP2692951B1 - Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement - Google Patents

Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement Download PDF

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Publication number
EP2692951B1
EP2692951B1 EP20120178604 EP12178604A EP2692951B1 EP 2692951 B1 EP2692951 B1 EP 2692951B1 EP 20120178604 EP20120178604 EP 20120178604 EP 12178604 A EP12178604 A EP 12178604A EP 2692951 B1 EP2692951 B1 EP 2692951B1
Authority
EP
European Patent Office
Prior art keywords
shaft cover
cover according
support structure
elements
comb
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.)
Not-in-force
Application number
EP20120178604
Other languages
German (de)
English (en)
Other versions
EP2692951A1 (fr
Inventor
Nino Persello
Walter Beer
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.)
Senn AG
Original Assignee
Senn AG
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.)
Filing date
Publication date
Application filed by Senn AG filed Critical Senn AG
Priority to EP20120178604 priority Critical patent/EP2692951B1/fr
Priority to EP20130178572 priority patent/EP2692952B1/fr
Publication of EP2692951A1 publication Critical patent/EP2692951A1/fr
Application granted granted Critical
Publication of EP2692951B1 publication Critical patent/EP2692951B1/fr
Not-in-force 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

Definitions

  • the present invention relates to a manhole cover according to the preamble of claim 1 and to a method for producing a manhole cover.
  • manhole covers are cast iron, either entirely cast iron or segmented on the top surface with a concrete or the like insert. These manhole covers are highly loadable and classifiable in their load design. In any case, such manhole covers are expensive to produce and therefore expensive.
  • the known manhole covers such as in EP-2 431 533 A2 or in DE 299 14 492 U1 are approved for their assigned load classes only as a composite system consisting of a defined iron and concrete casting. While iron casting fundamentally defines the size for covering the clear opening, the concrete takes over the filling in cast iron pockets intended for this purpose and thus forms - at least in part - the lid surface. The division into cast iron bags is made taking into account static and casting aspects. At the same time, after hardening, the concrete adopts an adhesive slip protection on the surface of the manhole cover. Due to the static and standard-related
  • the present invention has for its object to provide a manhole cover that meets a broad requirement profile, but at the same time can be easily and cost-effectively manufactured.
  • the present invention initially relates to a manhole cover for covering a manhole opening, wherein the manhole cover comprises a supporting structure.
  • the shaft cover according to the invention is characterized in that the support structure comprises a plurality of rib elements, at least one comb element and at least one longitudinal element, that the rib elements pass through the at least one comb element and are spaced therefrom and / or by this and that the at least one longitudinal element with a plurality of rib elements connected is.
  • a variant of the manhole cover according to the invention consists of the fact that the rib elements are flat and are oriented in such a way that they are in the Substantially parallel to a force acting on the support structure main load direction.
  • manhole cover according to the invention consist in that at least several rib elements extend from one edge of the manhole opening to an opposite edge.
  • manhole opening is rectangular.
  • manhole cover according to the invention consist in that the at least one longitudinal elements runs transversely to a plurality of rib elements and that the at least one longitudinal element is fixedly connected to a plurality of rib elements.
  • the at least one longitudinal element is a round bar, which is preferably guided through a plurality of rib elements.
  • the support structure is contained in a tub and is firmly connected to this and that the tub with a filling material, preferably a concrete mixture, can be filled.
  • manhole cover according to the invention consist in that two comb elements are provided, which are arranged in the area of bearing surfaces of the supporting structure.
  • manhole cover according to the invention consist in that a sealing element is provided between a contact surface of the trough and the trough, which allows a water seal and / or a fire seal.
  • manhole cover according to the invention are that a closing system is provided for securely closing the manhole opening.
  • manhole cover according to the invention consist in that the support structure consists of a stainless material, in particular of a stainless steel according to DIN EN 10088-1.
  • manhole cover according to the invention are that a surface-flush installation is provided.
  • manhole cover according to the invention are that the supporting structure without filling material fulfills a predetermined load standard and can be certified for this purpose.
  • the invention relates to a method for producing a manhole cover according to one of the variants specified above, wherein the method consists in that the support structure is manufactured by means of commercially available semifinished products using sheet metal working techniques.
  • An alternative embodiment of the method according to the invention consists in that the supporting structure is essentially produced by cutting and welding plate material.
  • a support structure 1 for a manhole cover according to the invention is shown in different views. So shows Fig. 1 a side view, Fig. 2 a top view and Fig. 3 a section through the support structure 1 along the cutting plane CC according to Fig. 2 ,
  • the support structure 1 comprises a plurality of parallel and flat rib elements 2, two comb elements 3 and two longitudinal elements 4 in the form of round tubes.
  • the two comb elements 3 are arranged parallel to each other in an edge region of the rectangular manhole cover, the rib elements 2 passing through the comb elements 3 and extending from one edge of the manhole opening to the opposite edge of the manhole opening.
  • the rib elements 2 are aligned parallel to a main loading direction F, wherein the distance between the rib elements 2 and their dimensions results from the maximum permissible load.
  • the longitudinal elements 4 are - like the comb elements 3 - arranged perpendicular to the rib elements 2 and thereby give them comprehensive lateral stability. In the embodiment according to Fig. 1 two longitudinal elements 4 are shown. However, the number of longitudinal elements 4 may be higher within the available space, especially if this should be necessary due to the maximum expected load conditions.
  • the longitudinal elements 4 do not extend over the entire longitudinal extent of the shaft opening, but end in the region of a frame member 9, in which lifting elements 10 are arranged for lifting the whole support structure 1 and the manhole cover and optionally a locking system 11 for securely closing the shaft opening ,
  • the support structure 1 alone forms the inventive manhole cover.
  • a manhole cover is used to open cover a manhole opening and allows the exchange of air between a manhole cavity and the environment, at the same time a load within the calculated maximum load of the support structure 1 is possible.
  • FIGS. 4 and 5 A further embodiment variant of the manhole cover according to the invention is shown in FIGS FIGS. 4 and 5 shown, where Fig. 4 a top view and Fig. 5 a cross section along the cutting surface DD according to Fig. 4 shows.
  • the support structure 1 is embedded in this embodiment in a trough 6, which makes it possible to pour out the resulting by inserting the support structure 1 in the tub 6 cavities with a filler. In particular, a concrete mixture is excellent.
  • the supporting structure 1 is fixedly connected to the trough 6, the joining taking place, for example, by welding.
  • Fig. 6 and 7 show the same manhole cover as in the Fig. 4 and 5 , but in the embodiment according to Fig. 6 and 7 the tub 6 with inserted support structure 1 is completely filled with a filling material. Accordingly, the rib elements 2 as well as the entire support structure 1 poured, so no longer visible.
  • reinforcing elements 12 are provided in order to ensure the strength and stability of the filling material in areas where no stabilizing rib elements 2 are present.
  • reinforcing elements 12 are provided in order to ensure the strength and stability of the filling material in areas where no stabilizing rib elements 2 are present.
  • the reinforcing elements 12 lead to the desired strength.
  • a sealing element 7 is provided which makes it possible to seal the manhole cover, and indeed a required day-water density and / or a required fire protection can be obtained hereby.
  • a suitable filling material for filling the resulting through the support structure 1 cavities in the tub 6 is to be used.
  • the sealing element 7 is in the entire bearing area, i. arranged around the shaft opening.
  • a sealing material is particularly suitable fire-retardant joint sealing material made of flexible polyurethane foam with acrylate dispersion impregnation.
  • Fig. 8 shows a possible realization of the intermeshing of rib element 2 and comb element, wherein in the in Fig. 8 illustrated embodiment a first comb element 3 and a second comb element 3 'are present.
  • the first comb element 3 extends over the entire support surface and stabilizes the rib element 3 in a first comb region 13, so that the rib elements 3 do not tilt. Further, the load is transmitted to the rib members 3 on the manhole frame, whereby a possibly existing sealing element leads to a reliable seal. This particular because the manhole frame and thus the design of the tub 6 in the region of the support surface is very flat and thus forms a good sealing surface.
  • the first comb area 13 is also an assembly aid in the production of the supporting structure 1.
  • the second comb portion 14 is formed by a second comb member 3 ', which in turn may be a flat iron.
  • the second comb element 3 ' serves to further tilt stabilization and rastering of the rib elements 2, wherein the second comb element 3' is used as an assembly aid in the production of the support structure 1.
  • comb elements 3 and 3 ' Although the in Fig. 8 shown embodiment, two comb elements 3 and 3 ', it is conceivable that only a single element is used as a comb element. In this case, the first comb region 13 or the second comb region 14 can be realized or both comb regions 13 and 14 can be realized, wherein in the latter case, for example, a composite comb element is realized.
  • the manhole cover according to the invention is produced with commercially available semifinished products using the generally known sheet metal working techniques.
  • sheet metal working techniques In order for shaft openings can be produced inexpensively and flexibly, regardless of the size, in particular automated production techniques are used in an advantageous manner, whereby an economical production can be further increased.
  • the support structure is formed with a defined rib / plug system which is designed with respect to the main loading direction F.
  • the cutting of the structure for the supporting structure, consisting of rib elements and comb elements, made of sheets can be done with a laser cutting process.
  • the required accuracy of fit which is required for the nesting of the sheets (rib elements 2 and comb elements 3) and the round bars (longitudinal elements 4), guaranteed.
  • the manhole cover in variants in the mounting frame during use must cause a satisfactory barrier of daytime water and / or fire.
  • the support structure is sufficient to protect against corrosion. This is achieved, inter alia, that a suitable material is used for the supporting structure 1, for example according to DIN EN 10088-1.
  • the manhole cover according to the invention fulfills the required conditions with regard to optimum longevity and corrosion resistance.
  • the support structure 1 forms with the tub 6, which in turn made of semi-finished products (in particular cut sheet metal parts) a tight manhole cover.
  • the tub 6 is considered as a lost formwork, which also absorbs the filler in addition to the sealing function.
  • the support structure 1 is designed for the respective required load sizes and includes other technical facilities, such as the locking system 11 and the lifting elements 10, which are realized for example as threaded sockets for connecting lifting tools for lifting the manhole cover.
  • the support structure 1 consists - as mentioned - of geometrically and statically determined rib elements and longitudinal elements made of high-strength stainless steel.
  • the rib elements 2 and the longitudinal elements are arranged standing in a statically defined grid in comb elements 3.
  • the predetermined by the grid pitch is dependent on the normalized or required load class, the height of the manhole cover and the clear width of the shaft opening to be covered.
  • the support structure 1 is assembled from the parts, such as rib elements 2, comb elements 3 and longitudinal elements 4 and secured with defined welds. All these parts are designed statically and arranged statically favorable in the direction of loading.
  • the inserted rib elements 2 in the comb elements 3 take over the longitudinal elements 4 together a bridge function to take over the load and the heat transfer.
  • the longitudinal elements 4 are pulled in a statically defined number by the neutral fiber of the rib plates in the solder and meet in addition to the power transmission, torque transmission and heat transfer and the anchoring of the filler.
  • 4 technical devices - such as sensors, lighting, signaling, etc. - can be attached to the longitudinal elements.
  • the support structure 1 can be used as such as a support system for other inputs and structures or as high-strength stainless rake.
  • the manhole cover according to the invention can be manufactured in a technologically simple and economical manner.
  • the size can be produced independently of an energy and material intensive manufacturing process, as known by iron foundries. Thus, even small quantities can be produced economically, which also meet high standards. Due to the statically designed arrangement of the rib elements in the supporting structure high loads, regardless of the site of action, can be recorded.
  • the filling material filled into the tub with supporting structure has no direct static influence on the design of the manhole cover
  • the filling material eg concrete
  • a Betonfesttechniksgüte can be used properly and the according to the required exposure class, as low as necessary, and therefore also economically.
  • By using a stainless support structure and a requirement-optimized filling material an optimal weather, adhesion and fire protection can be realized.
  • Backfilling the manhole cover at the construction site can facilitate transport from the factory to the construction site, as this naturally reduces the transport weight of the manhole cover without filling material.
  • the manhole cover therefore fulfills the tested and certified load class ex works.
  • a concrete cover problem can be imposed, allowing for a slim manhole cover construction.
  • manhole cover according to the invention can also be carried out under water (for example, also in the sea, ie in the saltwater area).
  • the rib elements are made of a high-strength, tough rust-resistant and acid-resistant steel, which has the same corrosion behavior as a corrosion-resistant class III / medium stainless steel. At the same time it must have a low nickel content and a balanced ferritic, austenitic mixed structure.
  • the longitudinal elements and other components should - as far as possible for manufacturing reasons - also the "corrosion protection class III / medium" belong.
  • the achievable large sizes of manhole covers and the use of proven locking systems can be reliably prevented from vandalism or similar unauthorized access to the manhole cover.
  • the locking elements on the manhole cover can be designed as a friction lock, screw connection or according to special requirements.
  • the manhole cover according to the invention can be repaired or revised in case of damage, this being independent of whether the supporting structure and / or the filling material has been damaged. Thus, the life is significantly increased.
  • a destruction fracture of the manhole cover, as can occur in known manhole covers of cast iron, thermosetting polymer or a polyester concrete is excluded in the inventive manhole cover, wherein the polyester concrete as the SMC (Sheet Molding Compound) -Herstell compiler or the BMC (Bulk Molding Compound) manufacturing process is understood.
  • the invention is based on a in the Fig. 1 to 8 illustrated rectangular manhole cover is explained, other forms of manhole covers are conceivable.
  • the present invention is basically not only suitable for covering rectangular shaft openings, but manhole covers can be adapted to any shape.
  • round, trapezoidal or other shapes can be realized using the invention.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Claims (15)

  1. Couvercle de puits pour couvrir une ouverture de puits, le couvercle de puits comprenant une structure porteuse (1), caractérisé en ce que la structure porteuse (1) comprend plusieurs éléments de nervure (2), au moins un élément en forme de peigne (3) et au moins un élément longitudinal (4), en ce que les éléments de nervure (2) passent à travers le au moins un élément en forme de peigne (3) et sont espacés par ce dernier ou ces derniers, et en ce que le au moins un élément longitudinal (4) est raccordé à plusieurs éléments de nervure (2).
  2. Couvercle de puits selon la revendication 1, caractérisé en ce que les éléments de nervure (2) sont réalisés plats et sont orientés de telle sorte qu'ils s'étendent essentiellement parallèlement à une direction de charge principale (F) agissant sur la structure porteuse (1).
  3. Couvercle de puits selon la revendication 1 ou 2, caractérisé en ce qu'au moins plusieurs éléments de nervure (2) s'étendent depuis un bord de l'ouverture de puits jusqu'au bord opposé.
  4. Couvercle de puits selon l'une des revendications 1 à 3, caractérisé en ce que l'ouverture de puits est rectangulaire.
  5. Couvercle de puits selon l'une des revendications 1 à 4, caractérisé en ce que le au moins un élément longitudinal (4) s'étend transversalement à plusieurs éléments de nervure (2) et en ce que le au moins un élément longitudinal (4) est relié fixement à plusieurs éléments de nervure (2).
  6. Couvercle de puits selon l'une des revendications 1 à 5, caractérisé en ce que le au moins un élément longitudinal (4) est une barre ronde qui traverse de préférence plusieurs éléments de nervure (2).
  7. Couvercle de puits selon l'une des revendications 1 à 6, caractérisé en ce que la structure porteuse (1) est renfermée dans une cuve (6) et est raccordée fixement à cette dernière, et en ce que la cuve (6) peut être remplie d'un matériau de remplissage, de préférence d'un mélange de béton.
  8. Couvercle de puits selon l'une des revendications 1 à 7, caractérisé en ce qu'il est prévu deux éléments en forme de peigne (3) qui sont agencés dans la zone des surfaces d'appui de la structure porteuse (1).
  9. Couvercle de puits selon la revendication 7, caractérisé en ce qu'il est prévu entre une surface d'appui de la cuve (6) et la cuve (6) un élément d'étanchéité (7) qui permet une étanchéité hydraulique et/ou une étanchéité au feu.
  10. Couvercle de puits selon la revendication 8 ou 9, caractérisé en ce qu'il est prévu un système de fermeture (8) pour une fermeture sécurisée de l'ouverture de puits.
  11. Couvercle de puits selon l'une des revendications 1 à 10, caractérisé en ce que la structure porteuse (1) est composée d'un matériau inoxydable, en particulier d'un acier inoxydable conformément à la norme DIN EN 10088-1.
  12. Couvercle de puits selon l'une des revendications 1 à 11, caractérisé en ce qu'il est prévu un montage à fleur de la surface.
  13. Couvercle de puits selon l'une des revendications 1 à 12, caractérisé en ce que la structure porteuse (1) répond, sans matériau de remplissage, à une norme de charge déterminée et peut être certifiée à cet effet.
  14. Procédé pour fabriquer un couvercle de puits selon l'une des revendications 1 à 13, caractérisé en ce que la structure porteuse (1) est fabriquée à l'aide de produits semi-finis courants en utilisant des techniques d'usinage de tôles.
  15. Procédé selon la revendication 14, caractérisé en ce que la structure porteuse (1) est fabriquée essentiellement par découpe et par soudage de matériau en forme de plaque.
EP20120178604 2012-07-31 2012-07-31 Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement Not-in-force EP2692951B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20120178604 EP2692951B1 (fr) 2012-07-31 2012-07-31 Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement
EP20130178572 EP2692952B1 (fr) 2012-07-31 2013-07-30 Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20120178604 EP2692951B1 (fr) 2012-07-31 2012-07-31 Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement

Publications (2)

Publication Number Publication Date
EP2692951A1 EP2692951A1 (fr) 2014-02-05
EP2692951B1 true EP2692951B1 (fr) 2015-05-06

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP20120178604 Not-in-force EP2692951B1 (fr) 2012-07-31 2012-07-31 Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement
EP20130178572 Not-in-force EP2692952B1 (fr) 2012-07-31 2013-07-30 Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20130178572 Not-in-force EP2692952B1 (fr) 2012-07-31 2013-07-30 Couvercle de logement et procédé destiné à la fabrication d'un couvercle de logement

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EP (2) EP2692951B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108487325A (zh) * 2018-04-27 2018-09-04 北京洛科瀚科技有限公司 一种设有结构工艺筋的填充式球墨铸铁井盖

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29914492U1 (de) * 1999-08-18 1999-12-16 Heinrich Meier Eisengießerei GmbH & Co KG, 32369 Rahden Scharnierbarer Straßenaufsatz
DE102010037641A1 (de) 2010-09-17 2012-03-22 Thomas Lorenz Industrietechnik Gmbh & Co. Kg Schachtdeckel
DE202011000182U1 (de) * 2011-01-25 2012-01-30 Buderus Kanalguss Gmbh Straßenaufsatz

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EP2692952A1 (fr) 2014-02-05
EP2692951A1 (fr) 2014-02-05
EP2692952B1 (fr) 2015-03-18

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