EP0420778B1 - Vorrichtung zur Abdeckung eines Schachteinstiegloches - Google Patents

Vorrichtung zur Abdeckung eines Schachteinstiegloches Download PDF

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Publication number
EP0420778B1
EP0420778B1 EP90470052A EP90470052A EP0420778B1 EP 0420778 B1 EP0420778 B1 EP 0420778B1 EP 90470052 A EP90470052 A EP 90470052A EP 90470052 A EP90470052 A EP 90470052A EP 0420778 B1 EP0420778 B1 EP 0420778B1
Authority
EP
European Patent Office
Prior art keywords
frame
grid
axis
grating
pivoting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90470052A
Other languages
English (en)
French (fr)
Other versions
EP0420778A1 (de
Inventor
Francis Berthon
Jean-Claude Hauer
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 Pont a Mousson SA filed Critical Pont a Mousson SA
Priority to AT90470052T priority Critical patent/ATE88523T1/de
Publication of EP0420778A1 publication Critical patent/EP0420778A1/de
Application granted granted Critical
Publication of EP0420778B1 publication Critical patent/EP0420778B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E—FIXED CONSTRUCTIONS
    • 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
    • E02D29/1427—Locking devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E03F2005/061—Gully gratings hinged to the body of the gully
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E03F2005/066—Gully gratings with means for protecting against vandalism

Definitions

  • the present invention relates to a device for crowning an evacuation chimney consisting of a removable tilting grid resting, when the device is in the closed position, in a frame sealed in the ground.
  • the present invention more particularly relates to a crowning device of the above type having a locking of the removable tilting grid in its frame.
  • the locking is ensured by a finger rotatably mounted on the grid and whose position relative to the frame determines the closing of the exhaust chimney.
  • the present invention therefore aims to solve the above problems.
  • the present invention relates more particularly to a device for crowning an evacuation chimney consisting of a grid of generally rectangular shape, articulated in a frame of generally rectangular shape along a pivot axis of the grid corresponding to one of the sides. thereof and coincident with an axis parallel to one of the sides of the frame when the grid is mounted in the frame, this grid being provided with bars connected to each other by spacers, in which the grid is divided, according to its pivot axis, in a middle part and two lateral parts connected elastically to the middle part by spacers not located on the pivot axis and acting as torsion bars, one end of the middle part adjoining the axis of pivoting being intended to come into abutment against a corresponding surface of the frame by exerting a couple opposing the movement of the grid around its axis of p apparentlyly.
  • the device according to the invention as shown in FIG. 1, consists of a frame 1 sealed in the ground, for example in a road surface, at the end upper of an exhaust chimney 2, and a removable hinged grid 3 forming a cover.
  • the frame 1 and the grid 3 have, in plan, a generally rectangular shape.
  • the frame 1 has a vertical, rectangular skirt 4, provided, at its periphery, with a peripheral support sole 5 serving for sealing the frame and, on its internal face, with a flange 6 serving as a support surface for grid 3.
  • Two opposite lateral faces 7, 8 of the skirt 4 each have, in the immediate vicinity of a lateral face 9 of the skirt 4 perpendicular to the two faces 7, 8, a cavity 10 of axis XX parallel to the perpendicular lateral face 9, the two cavities 10 of the opposite side faces 7, 8 being coaxial.
  • the skirt 4 is terminated by a side face 11 opposite and parallel to the side face 9.
  • Each cavity 10 is formed in the skirt 4 of the frame above the support flange 6, approximately halfway between this support flange 6 and the top of the skirt 4.
  • each cavity 10 and the perpendicular lateral face 9 is equal to the distance between each cavity 10 and the support flange 6.
  • the grid 3 is intended to be mounted in the frame 1. More particularly, it is intended to be housed in the skirt 4 while being placed on the support flange 6.
  • FIG. 1 It therefore has, according to the embodiment shown in FIG. 1, a generally rectangular shape, two opposite sides 12, 13 being intended to come opposite the opposite lateral faces 7, 8 of the skirt 4, one side 14 perpendicular to these two sides 12, 13 being intended to come opposite the perpendicular lateral face 9 of the skirt 4, a fourth side 15, opposite the side 14, ending this grid 3 and being intended to come opposite the face 11 of the skirt 4.
  • the two sides 12 and 13 of this grid 3 each consist of a lateral bar 16, one end of which 161 is provided, at mid-height on an external lateral face thereof, with a pivot 17, of axis YY horizontal, when the grid 3 is mounted in the frame 1, with the horizontal axis XX of the cavities 10 of the skirt 4, these cavities 10 of the frame 1 being intended to receive the pivots 17 of the grid 3 which can thus pivot around of axis XX.
  • the grid 3 consists of a series of bars 18, parallel in the embodiment shown, each bar 18 being connected to an adjacent bar by at least one spacer 19.
  • each lateral bar 16 is also connected to the bar 18 which is adjacent to it by at least one spacer 19.
  • the bars 18 consist of an upper face 20, defining the upper surface of the grid 3, and of a lower face 21, intended to come into contact, at one end 22, respectively 23, of the bars 18, with the flange support 6 in its zone adjoining the lateral face 9, respectively 11, of the skirt 4.
  • the grid 3 being intended to be movable in rotation about the axis XX of the frame 1, the lateral bars 16, by their end 161, and the bars 18, by their end 22, being at immediate proximity of the support flange 6 and the side face 9 of the skirt 4, there is a theoretical cylindrical surface S, of axis XX and of radius R relative to the axis XX of the frame 1, such that any part P of the grid 3 whose volume will exceed this theoretical surface S, will come into contact, during the rotation of this grid 3 around the axis XX of the frame 1, either with the support flange 6, as shown, either with the skirt 4.
  • the radius R corresponds to the minimum distance between the axis X-X of the cavities 10 and the frame 1.
  • a grid 3 consisting, along the axis YY of this grid 3, of a median zone Z1 and two lateral zones Z2, the median zone Z1 having at least one part P, located on the side 14 of the grid 3, which protrudes from this theoretical surface S, the middle zone Z1 being elastically connected to the lateral zones Z2 of the grid 3 by spacers 191 not located on the axis XX and playing the role of torsion bars, the grid 3 being in one piece and the natural elasticity of the material constituting the grid 3, for example spheroidal graphite cast iron, being sufficient.
  • each profile P1, P2 there are three characteristic points M, M1, M2, the point M corresponding to the point of the profile P1 or P2 furthest from the axis XX, the points M1 and M2 corresponding to the two points intersection of profile P1 or P2 with surface S.
  • a grid 3 provided with a middle zone Z1 having a profile of type P2 is described in Fig.5.
  • the grid 3 is pinched at the ends 161 of the side bars 16.
  • the grid is divided into three zones, the central zone Z1 being elastically connected to the two lateral zones Z2, the elastic connection being simply produced by a spacer.
  • pivots 17 of the grid 3 are placed opposite the orifices 10 of the frame 1 into which they penetrate.
  • the grid 3 is vertical.
  • the grid 3 is placed vertically in the frame 1, it is rotated around the axis XX of the frame 1 until the part P of the middle zone Z1 comes into contact with the frame 1, ie at level of the support flange 6 or at the level of the face 9 of the skirt 4, at the point of contact M1 corresponding to the intersection of the curve S with the profile of the part P.
  • the central zone Z1 by twisting the spacers 191 which connect it to the lateral zones Z2, deviates from the plane defined by the two lateral zones Z2, thereby creating a torque, which opposes the closing of the grid, the part P rubbing against the corresponding surface of the frame 1 against which it rests.
  • the grid 3 is prestressed.
  • the grid when resting on the corresponding surfaces of the frame 1, the grid has a middle part Z1 resting by its part P on the support flange 6, this support being produced so that the spacers 191 which connect the zone middle Z1 to the two lateral parts Z2 are in torsion by exerting a torque which opposes, from the start when the grid 3 rests on the frame 1, the rotation of the grid 3.
  • the crowning device of an evacuation chimney makes it possible, on the one hand, to lock the grid in its frame in the closed position and, on the other hand, to prevent inadvertent closing when the grid is in vertical position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Emergency Lowering Means (AREA)
  • Sewage (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Golf Clubs (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Chutes (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Air-Flow Control Members (AREA)
  • Tents Or Canopies (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Transmission Devices (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Claims (2)

  1. Abdeckvorrichtung für einen Ablaufschacht, bestehend aus einem Gitter (3) von allgemein rechteckiger Form, schwenkbar angeordnet in einem Rahmen (1) allgemein rechteckiger Form entlang einer Schwenkachse Y-Y des Gitters (3), die einer von dessen Seiten entspricht und zusammenfällt mit einer zu einer der Seiten (9) des Rahmens (1) parallel verlaufenden Achse X-X, wenn das Gitter (3) im Rahmen (1) montiert ist. Dieses Gitter (3) besteht aus Stäben (18), die miteinander durch Stege (19) verbunden sind, dadurch gekennzeichnet, daß das Gitter (3) entlang seiner Schwenkachse in einen Mittelbereich (Z1) und zwei Seitenbereiche (Z2) unterteilt ist, die elastisch mit dem Mittelbereich (Z1) durch nicht auf der Achse X-X angeordnete Stege (191) verbunden sind, die die Funktion von Torsionsstäben haben, wobei ein Ende des Mittelbereichs (Z1) in der Nähe der Drehachse dazu bestimmt ist, sich gegen eine entsprechende Fläche des Rahmens (1) abzustützen, wobei es ein der Bewegung des Gitters (3) um seine Drehachse zuwiderlaufendes Moment ausübt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß, wenn das Gitter (3) auf entsprechenden Flächen des Rahmens (1) aufliegt, sein Mittelbereich (Z1) auf dem Auflagerand (6) des Rahmens aufliegt, und zwar damit die Stege (191), die den Mittelbereich (Z1) mit den beiden Seitenbereichen (Z2) verbinden, in Torsionsspannung sind und schon zu Beginn, wenn das Gitter (3) auf dem Rahmen (1) aufliegt, ein Moment gegen die Drehung des Gitters (3) ausüben.
EP90470052A 1989-09-29 1990-09-21 Vorrichtung zur Abdeckung eines Schachteinstiegloches Expired - Lifetime EP0420778B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90470052T ATE88523T1 (de) 1989-09-29 1990-09-21 Vorrichtung zur abdeckung eines schachteinstiegloches.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8912938A FR2652606B1 (fr) 1989-09-29 1989-09-29 Procede et dispositif de couronnement d'une cheminee d'evacuation.
FR8912938 1989-09-29

Publications (2)

Publication Number Publication Date
EP0420778A1 EP0420778A1 (de) 1991-04-03
EP0420778B1 true EP0420778B1 (de) 1993-04-21

Family

ID=9386060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90470052A Expired - Lifetime EP0420778B1 (de) 1989-09-29 1990-09-21 Vorrichtung zur Abdeckung eines Schachteinstiegloches

Country Status (11)

Country Link
EP (1) EP0420778B1 (de)
AT (1) ATE88523T1 (de)
DD (2) DD298146A5 (de)
DE (1) DE69001415T2 (de)
DK (1) DK0420778T3 (de)
ES (1) ES2036160T3 (de)
FR (1) FR2652606B1 (de)
GR (1) GR3007683T3 (de)
IE (1) IE63970B1 (de)
NO (1) NO177506C (de)
PT (1) PT95443B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8192110B1 (en) * 2009-03-10 2012-06-05 Bryant Donald W Yard storm drain emitter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119836A (en) * 1982-01-29 1983-11-23 Brickhouse Dudley Mfg Manhole cover or grating and frame assemblies

Also Published As

Publication number Publication date
DK0420778T3 (da) 1993-05-17
ATE88523T1 (de) 1993-05-15
NO177506C (no) 1997-12-29
DE69001415D1 (de) 1993-05-27
FR2652606A1 (fr) 1991-04-05
NO177506B (no) 1995-06-19
GR3007683T3 (de) 1993-08-31
FR2652606B1 (fr) 1991-12-13
PT95443B (pt) 1998-06-30
DE69001415T2 (de) 1993-07-29
NO904180D0 (no) 1990-09-26
IE63970B1 (en) 1995-06-28
EP0420778A1 (de) 1991-04-03
DD298145A5 (de) 1992-02-06
IE903496A1 (en) 1991-04-10
NO904180L (no) 1991-04-02
ES2036160T3 (es) 1993-10-16
DD298146A5 (de) 1992-02-06
PT95443A (pt) 1992-06-30
ES2036160T1 (es) 1993-05-16

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