EP0572908A1 - Regard de chaussée - Google Patents

Regard de chaussée Download PDF

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Publication number
EP0572908A1
EP0572908A1 EP93108469A EP93108469A EP0572908A1 EP 0572908 A1 EP0572908 A1 EP 0572908A1 EP 93108469 A EP93108469 A EP 93108469A EP 93108469 A EP93108469 A EP 93108469A EP 0572908 A1 EP0572908 A1 EP 0572908A1
Authority
EP
European Patent Office
Prior art keywords
manhole cover
carrier system
receptacle
shaft
cover according
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.)
Granted
Application number
EP93108469A
Other languages
German (de)
English (en)
Other versions
EP0572908B1 (fr
Inventor
Karl Behrens
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.)
KSB AG
Original Assignee
KSB 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 KSB AG filed Critical KSB AG
Publication of EP0572908A1 publication Critical patent/EP0572908A1/fr
Application granted granted Critical
Publication of EP0572908B1 publication Critical patent/EP0572908B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs

Definitions

  • the invention relates to a manhole cover according to the preamble of the main claim.
  • devices for attaching chains or cables are attached in the area of the shaft opening, which is usually closed by a cover.
  • the latter are firmly connected to the lowered unit and allow the unit to be easily lifted out.
  • an external hoist can be connected directly to a hoist that is permanently attached to the unit. A difficult connection of an external hoist to the unit, for example below a liquid level, is then no longer necessary.
  • DE-U-84 11 983 shows a solution in which a two-part manhole cover is used, the cover parts having different sizes.
  • the smaller cover segment which is designed as a circular section, remains connected to the shaft for simple inspections and contains the cable duct and a suspension device for a hoist connected to the unit. If the unit is to be lifted out of the shaft, the hoist is also relatively easily accessible. For mere control purposes, the larger lid part can be removed without difficulty.
  • a disadvantage of this solution has been shown that if the two cover segments are improperly installed, leaks can occur in the area of the parting line.
  • Another known manhole cover provides a cover with a manhole to be closed separately.
  • Individual bushings for electrical cables are arranged in the lid near the manhole.
  • a disadvantage of this solution are the handling problems with the lines and the line bushings when the machine is lifted out.
  • the invention is based on the problem of developing a manhole cover for pressure-loaded manholes, in which electrical units with the associated lines are arranged, which seals reliably and is easy and safe to use for control purposes as well as assembly and disassembly purposes.
  • a particularly favorable manhole cover has been developed.
  • the receptacle for the sealing cable bushings can be easily and reliably sealed against the manhole cover.
  • a one-piece manhole cover sealingly abutting its outer circumference can be easily sealed, for example with the help of an O-ring.
  • Other known sealing elements can also be used for this.
  • the manhole cover can be sealed on the manhole opening itself with the usual reliable flange seals.
  • An embodiment of the invention provides that the receptacle is designed as a piece of pipe.
  • the lines to be led out of the shaft are all arranged within the surrounding receptacle having any cross section and are sealed therein by known means.
  • This can be the so-called Bradberg sealing system or other solutions.
  • the carrier system is provided with suspension devices for hoists located outside and / or inside the shaft.
  • a connection of an external hoist in the area of the shaft opening to the suspension devices is thus sufficient to lift the unit out.
  • the suspension device is designed as a tensioning device.
  • the hoist and / or the electrical lines located within the shaft can thus be tensioned tight. It is also possible to attach an external hoist directly to it.
  • the tensioning device and the carrier system are then to be designed for the weight of the electrical lines and their pretensioning forces.
  • the conveying medium flowing inside the shaft which is often in a swirled state, can therefore not cause any damage to the lines or the hoist which would otherwise result from knocking or swinging.
  • FIG. 1 shows a shaft (1) which is formed in the region of its shaft opening (2) with a bearing (3) for a carrier system (4).
  • a flange (5) is arranged on which a cover (not shown here) is fastened in a sealing manner.
  • Bearing (3) and flange (5) can also be formed as a one-piece component.
  • the inclined contact surface (6) between the bearing (3) and the carrier system (4) ensures that the adjacent parts are well centered. Other forms of the pad are also possible.
  • the carrier system (4) is provided here with a suspension device (7) which consists of two simple cross holes. Instead of this, other known lifting means can also be used as a suspension device.
  • An external hoist (8) shown here can act on this.
  • the carrier system On its side facing the inside of the shaft, which can also be seen as the underside, the carrier system has a tensioning device (9).
  • a hoist (10) Connected to this is a hoist (10) which is attached to a pump or turbine located within the shaft - not shown here -.
  • the electrical lines (11, 12) are bundled within the shaft (1) by bandages (13) to form a cable. This can then also be connected to the inner hoist (10) so that the tensioning device (9) can tighten the inner hoist (10) and the electrical lines (11, 12) in one tensioning operation.
  • a receptacle (14) Connected to the carrier system (4) is a receptacle (14) through which the electrical lines (11, 12) are led out of the shaft (1) in a sealed manner.
  • Known sealing elements for leading through the wall of lines can be arranged within the receptacle (14).
  • the cover is detached from the flange (5) and lifted over the receptacle (14).
  • the electrical lines (11, 12) protruding from the receptacle (14) are guided through a hole in the cover for the receptacle.
  • the aggregate located in the shaft can then be lifted out with the aid of an external hoist (8) acting on the carrier system (4).
  • FIG. 2 shows the top view of the shaft opening (2).
  • the support system (4) cutting the shaft opening (2) in the center creates two opening cross sections of equal size on both sides of the support system. It is also possible to arrange the support system (2) laterally offset in order to obtain a larger opening on one side.
  • the carrier system can be formed in one or more parts. Its dimensions are to be chosen so that it will surely bear the weight of the lowered unit with attached lifting gear and cables.
  • the receptacle (14) was formed in this example with a round cross section, wherein other cross-sectional shapes are also possible. The cross-section is selected so large that all the lines (11, 12) to be led out of the shaft and a pressure-tight line bushing (15) have space therein. A manhole cover to be fitted can then be sealed in the simplest manner on the flange (5) and in the region of the receptacle (14).
  • FIG. 3 shows a closed shaft opening.
  • the manhole cover (16) seals in a known manner on the flange (5).
  • the manhole cover (16) has been slipped over the receptacle (14) with an opening corresponding to the receptacle cross section.
  • a flange (17) which is also placed over it, presses a sealing ring (18) with an inclined surface to seal against the receptacle (14).
  • the tensioning device (9) is designed so that it can be operated from the top of the carrier system (4).
  • Horizontal bores in the area of the underside of the beam can serve as a horizontal clamping device.
  • a rope that can be hooked into it could then tension the lifting device (10) by lateral displacement.
  • the use of clamping devices other than those shown is possible.

Landscapes

  • 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)
  • Pressure Vessels And Lids Thereof (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP93108469A 1992-06-03 1993-05-26 Regard de chaussée Expired - Lifetime EP0572908B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4218194A DE4218194A1 (de) 1992-06-03 1992-06-03 Schachtabdeckung
DE4218194 1992-06-03

Publications (2)

Publication Number Publication Date
EP0572908A1 true EP0572908A1 (fr) 1993-12-08
EP0572908B1 EP0572908B1 (fr) 1996-03-06

Family

ID=6460239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93108469A Expired - Lifetime EP0572908B1 (fr) 1992-06-03 1993-05-26 Regard de chaussée

Country Status (2)

Country Link
EP (1) EP0572908B1 (fr)
DE (2) DE4218194A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112723271A (zh) * 2021-01-13 2021-04-30 江西建邦建设集团有限公司 一种下水道井盖辅助抬升装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363797A (en) * 1965-02-17 1968-01-16 William C. Roese Protective cover
CA1101820A (fr) * 1979-04-19 1981-05-26 Rand K. Ayres Etancheite sur trou de visite a couvercle amovible
DE8411983U1 (de) * 1984-04-17 1984-07-26 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Schachtrohr fuer tauchmotorpumpen
EP0246113A2 (fr) * 1986-05-15 1987-11-19 Walter Rose GmbH & Co. KG Dispositif, en particulier pour l'étanchéité entre surfaces d'un conduit et des câbles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7731961U1 (de) * 1978-06-15 Barth, Dieter, 7520 Bruchsal Domschacht mit Deckel für unterirdisch gelagerte Tanks
US3370386A (en) * 1965-10-22 1968-02-27 New England Realty Co Manhole
DE8331484U1 (de) * 1983-11-03 1984-01-26 Wickmann-Werke Böblingen GmbH, 7030 Böblingen Gehaeuse einer transformator-tiefstation
FR2617882B1 (fr) * 1987-06-04 1991-05-17 Devonec Jean Structure support pour muret technique exterieur
DE9016635U1 (de) * 1990-12-07 1991-02-28 Kleineberg, Friedhelm, 4925 Kalletal Domschacht für im Erdreich gelagerte bzw. im Erdreich angeordnete Tanks

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363797A (en) * 1965-02-17 1968-01-16 William C. Roese Protective cover
CA1101820A (fr) * 1979-04-19 1981-05-26 Rand K. Ayres Etancheite sur trou de visite a couvercle amovible
DE8411983U1 (de) * 1984-04-17 1984-07-26 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Schachtrohr fuer tauchmotorpumpen
EP0246113A2 (fr) * 1986-05-15 1987-11-19 Walter Rose GmbH & Co. KG Dispositif, en particulier pour l'étanchéité entre surfaces d'un conduit et des câbles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112723271A (zh) * 2021-01-13 2021-04-30 江西建邦建设集团有限公司 一种下水道井盖辅助抬升装置
CN112723271B (zh) * 2021-01-13 2022-06-03 江西建邦建设集团有限公司 一种下水道井盖辅助抬升装置

Also Published As

Publication number Publication date
DE59301763D1 (de) 1996-04-11
EP0572908B1 (fr) 1996-03-06
DE4218194A1 (de) 1993-12-09

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