WO1997012096A1 - Dispositif elevateur pour chape fixe de trou d'homme - Google Patents

Dispositif elevateur pour chape fixe de trou d'homme Download PDF

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Publication number
WO1997012096A1
WO1997012096A1 PCT/DK1996/000410 DK9600410W WO9712096A1 WO 1997012096 A1 WO1997012096 A1 WO 1997012096A1 DK 9600410 W DK9600410 W DK 9600410W WO 9712096 A1 WO9712096 A1 WO 9712096A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
ring
segments
spacer
manhole
Prior art date
Application number
PCT/DK1996/000410
Other languages
English (en)
Inventor
Frede SØRENSEN
Original Assignee
Furnes-Hamjern Ncc A/S
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 Furnes-Hamjern Ncc A/S filed Critical Furnes-Hamjern Ncc A/S
Priority to EP96932463A priority Critical patent/EP0851955B1/fr
Priority to DK96932463T priority patent/DK0851955T3/da
Priority to AU71254/96A priority patent/AU7125496A/en
Publication of WO1997012096A1 publication Critical patent/WO1997012096A1/fr

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
    • B66F19/005—Lifting devices for manhole covers

Definitions

  • the invention relates to means for raising a fixed frame for manhole covers .
  • the fixed frame mentioned above consists of an annular wall, below having a flange supported on a manhole frame and internally having a recess upon which the manhole cover rests. Thus, the fixed frame is supported directly on the manhole frame.
  • This type of frame is frequently used for manholes or wells in roads with heavy and much traffic. When laying a new coat of asphalt it is necessary to raise the frame with this layer thickness so that the frame cover is maintained level with the road.
  • each spacer element in a known manner having a width and a shape to fit the frame of the well or manhole and the flange on the cover frame, and having a thickness that may be uniform along the whole periphery or adapted for inclined positioning of the frame, and is characterized in that each spacer element is divided into segments with an inner edge and an outer edge, said inner edge having at least one outwardly protruding abutment member at right angles to the spacer segment, and that the edge of the spacer segments overlap in such a manner that the outer edge on one spacer element abuts against the inner edge of a neighbouring segment.
  • the overlapping between the segments also means that it is almost completely avoided that road materials drift out between the segments as a consequence of the vibrations in the road caused by vehicles etc.
  • the segments are made of cast iron, which is well-suited to absorb the vibrations in the road without cracking and has a good friction against both the concrete in the frame of the well or manhole and the frame for the cover, usually also being made from cast iron.
  • Figure 1 shows three segments according to the invention, together forming a spacer element in the form of a ring
  • Figure 2 is a sectional view showing a segment in abutment against a manhole frame
  • FIG. 3 in perspective shows a segment according to the invention
  • Figure 4 shows a frame with smooth outside surface, having been raised ready for insertion of the spacer segment
  • Figure 5 shows a frame with an outwardly directed flange, raised in readiness for insertion of the spacer segment
  • Figure 6 shows a tripod placed upon a ring
  • FIG. 7 shows the frame ready to be raised.
  • each of the segments 2 comprises an abutment member 4 protruding downwardly against the manhole frame, as well as along the inside teeth 6 separated by recesses 14, and on the outside forms a continuous arc of a circle with the exception of the ends 8 and 10, respectively, shaped in such a manner that the end 8 overlaps the end 10 on the neighbouring segment .
  • the spacer segments may be shaped with a view to inclined siting of the frame, so that the plane formed by the segment surface is inclined. This can be advantageous, if the road, in which the manhole is placed, is on an incline .
  • the spacer segments may also be shaped with a view to rectangular or other geometrical shapes of the frame, and the number of segments may be chosen appropriately with regard to easy handling, i.e. dimensions as well as weight. In the example shown having three segments, handling down in the manhole or well will be easy, at the same time as the recesses 14 between the teeth 6 limit the weight of each segmen . Saving in weight is advantageous, as it is contemplated to produce the segments in cast iron, this also meaning that the segments have ample strength, in spite of the recesses, to form the necessary abutment.
  • the use of cast iron is also advantageous, as it is well-suited to absorb the multitudinuous impacts from the road traffic without cracking, and provides good friction between the concrete on the manhole frame and the frame, the latter normally also being made of cast iron.
  • the abutment member 4 When placing a segment 2, the abutment member 4 is placed in abutment against the manhole frame 12 as shown in Figure 2. This makes it possible to have segments in different thicknesses t as indicated in Figure 2, and by placing a number of segments on top of each other it is possible to provide just the appropiate height dimensions. When placing segments on top of each other, the abutment member is, of course, placed so as to hit one of the teeth 6 on the segment below. The teeth, or rather the recesses between them, will improve the possibility for the ring segments to come into secure abutment, if there are irregularities in their supporting basis .
  • the ring 36, cf . Figure 6 can advantageously be provided with welded-on rings 38 or the like as abutments for each of the legs 40 of the tripod. At the same time, this provides a base for the legs of the tripod, so that pressure marks in the asphalt are avoided.
  • a lifting wire In the middle of the tripod there is a lifting wire with a hook 42, and in the top of the tripod there is a lifting device for the wire, i.e. e lifting tackle.
  • FIG. 7 shows the hook 42 of the tripod and the ring 36 placed around the frame 18 prior to the raising of the latter.
  • a lifting device is suspended, having rods 44 engaging the lower side of the recess 24 of the frame for lifting the latter.
  • the lifting device indicated is constructed on the same principle as an inverted umbrella lowered into the well or manhole.
  • the lifting device comprises three, four or a greater number of lifting rods 44 being pivoted outwardly for engagement below the recess 22 via rods 46 assembled in a slide member 50 with a stop 52 on a rod 48.
  • the segment 2 is introduced in the same manner as in Figure 4.
  • the frame 26 shown in Figure 5 is, however, of a type with an outwardly protruding flange 28, which makes it necessary to remove material around the frame, but does not require the shape of the segments or the way of installing to be changed.
  • the frame 26 comprises recesses for positioning wedges of which one designated 34 is shown. By using the recesses 34 it is possible to lift the frame by driving in wedges.

Landscapes

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

Abstract

Lors du renouvellement d'un revêtement de route, il est généralement nécessaire de réajuster la hauteur des chapes (18) de trou d'homme sur la route. Habituellement, l'opération consiste à soulever cette chape, à mettre en place une ou plusieurs cales d'épaisseur et à réinstaller la chape. L'invention concerne un système avantageux qui consiste à élever simplement la chape modérément au-dessus de son nouveau niveau d'installation. Cela permet de mettre en place une ou plusieurs cales d'épaisseur sous forme de segments d'anneau individuel (2) en les poussant vers l'extérieur depuis l'intérieur de l'ouverture du trou, et à abaisser ensuite la chape. L'extrémité des segments d'anneau (2) est dotée de parties étroites complémentaires faisant saillie (8, 10) qui rendent hermétiques les joints d'about ainsi formés et évitent les chutes de matériau épars dans le trou d'homme ou le puits à partir du pourtour.
PCT/DK1996/000410 1995-09-27 1996-09-27 Dispositif elevateur pour chape fixe de trou d'homme WO1997012096A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP96932463A EP0851955B1 (fr) 1995-09-27 1996-09-27 Methode pour elever un cadre fixe de trou d'homme
DK96932463T DK0851955T3 (da) 1995-09-27 1996-09-27 Fremgangsmåde til hævning af en fast karm til brønddæksler
AU71254/96A AU7125496A (en) 1995-09-27 1996-09-27 Means for raising a fixed frame for manhole covers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK107995 1995-09-27
DK1079/95 1995-09-27

Publications (1)

Publication Number Publication Date
WO1997012096A1 true WO1997012096A1 (fr) 1997-04-03

Family

ID=8100768

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1996/000410 WO1997012096A1 (fr) 1995-09-27 1996-09-27 Dispositif elevateur pour chape fixe de trou d'homme

Country Status (4)

Country Link
EP (1) EP0851955B1 (fr)
AU (1) AU7125496A (fr)
DK (1) DK0851955T3 (fr)
WO (1) WO1997012096A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934820A (en) * 1997-12-11 1999-08-10 Hinkle; Vernon W. Manhole collar assembly and method for producing same
US6161985A (en) * 1997-12-11 2000-12-19 Vernon W. Hinkle Manhole collar assembly
CN100458023C (zh) * 2004-08-24 2009-02-04 北京仁创制造技术研究院 啮合式安全井盖
EP2703333A1 (fr) * 2012-08-31 2014-03-05 Frank Straßer Dispositif pour tirer un capuchon de curseur

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229265B (de) * 1966-02-21 1966-11-24 Diringer O H G W Vorrichtung zum Anheben eines in einem Schacht angeordneten Kanalringes
CH665863A4 (fr) * 1962-06-01 1967-01-31
US3331295A (en) * 1965-10-20 1967-07-18 Foundry Products And Methods I Cover assembly
US4582450A (en) * 1984-10-10 1986-04-15 Ronald Neil Universal manhole adjusting ring
US4673310A (en) * 1983-11-14 1987-06-16 E.L. LeBaron Foundry Co. Method of and apparatus for adjustably leveling manhole covers, grates and the like
US5221155A (en) * 1991-09-24 1993-06-22 Umar, Inc. Vertically adjustable manhole adjusting ring section
US5482400A (en) * 1994-10-03 1996-01-09 National Rubber Technology Inc. Segmented adjustment riser
DE19542771A1 (de) * 1994-11-17 1996-07-04 Knud Erik Vester Verfahren und Hilfswerkzeug zum Anheben von Schachtrahmen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH665863A4 (fr) * 1962-06-01 1967-01-31
US3331295A (en) * 1965-10-20 1967-07-18 Foundry Products And Methods I Cover assembly
DE1229265B (de) * 1966-02-21 1966-11-24 Diringer O H G W Vorrichtung zum Anheben eines in einem Schacht angeordneten Kanalringes
US4673310A (en) * 1983-11-14 1987-06-16 E.L. LeBaron Foundry Co. Method of and apparatus for adjustably leveling manhole covers, grates and the like
US4582450A (en) * 1984-10-10 1986-04-15 Ronald Neil Universal manhole adjusting ring
US5221155A (en) * 1991-09-24 1993-06-22 Umar, Inc. Vertically adjustable manhole adjusting ring section
US5482400A (en) * 1994-10-03 1996-01-09 National Rubber Technology Inc. Segmented adjustment riser
DE19542771A1 (de) * 1994-11-17 1996-07-04 Knud Erik Vester Verfahren und Hilfswerkzeug zum Anheben von Schachtrahmen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934820A (en) * 1997-12-11 1999-08-10 Hinkle; Vernon W. Manhole collar assembly and method for producing same
US6161985A (en) * 1997-12-11 2000-12-19 Vernon W. Hinkle Manhole collar assembly
CN100458023C (zh) * 2004-08-24 2009-02-04 北京仁创制造技术研究院 啮合式安全井盖
EP2703333A1 (fr) * 2012-08-31 2014-03-05 Frank Straßer Dispositif pour tirer un capuchon de curseur

Also Published As

Publication number Publication date
DK0851955T3 (da) 2000-11-06
EP0851955B1 (fr) 2000-06-28
AU7125496A (en) 1997-04-17
EP0851955A1 (fr) 1998-07-08

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