EP0231454B1 - Schachtabdeckung - Google Patents

Schachtabdeckung Download PDF

Info

Publication number
EP0231454B1
EP0231454B1 EP19860116101 EP86116101A EP0231454B1 EP 0231454 B1 EP0231454 B1 EP 0231454B1 EP 19860116101 EP19860116101 EP 19860116101 EP 86116101 A EP86116101 A EP 86116101A EP 0231454 B1 EP0231454 B1 EP 0231454B1
Authority
EP
European Patent Office
Prior art keywords
pitframe
cover according
pitwall
threaded bolt
sleeves
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
EP19860116101
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0231454A1 (de
Inventor
André Wirz
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.)
Von Roll AG
Original Assignee
Von Roll 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 Von Roll AG filed Critical Von Roll AG
Publication of EP0231454A1 publication Critical patent/EP0231454A1/de
Application granted granted Critical
Publication of EP0231454B1 publication Critical patent/EP0231454B1/de
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
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination

Definitions

  • the invention relates to a manhole cover according to the preamble of claim 1.
  • Manhole covers, or the like, especially on streets, squares. used to cover manholes and water inlets are known in various designs and essentially have a manhole frame and a cover or a grate for completely or partially covering the manhole opening.
  • the manhole frame When you first install the manhole cover, the manhole frame is installed flush with the floor surface. This is especially necessary on roads and places with vehicle traffic. After a certain time the surface, e.g. a road or deck covering can be renewed or introduced, the original level of the surface can generally no longer be maintained; the shaft frame must then be realigned again. This is a fairly complex work, which is undesirable not only because of the costs, but also because of the associated impairment of traffic flow. There has therefore been no lack of many proposals which aim to reduce the work that has to be done to realign the shaft frame to a new street level.
  • a manhole cover is known from DE-A 3 413 823, which is composed of an attachment frame resting on the manhole and a height-adjustable manhole frame for receiving a cover.
  • DE-A 3 413 823 which is composed of an attachment frame resting on the manhole and a height-adjustable manhole frame for receiving a cover.
  • the stack frame and in the shaft frame there are recesses opening into the shaft interior, into which the head of a threaded sleeve engages.
  • an adjusting screw with an opposite thread is screwed on, by means of which the shaft frame can be adjusted in its height.
  • Another height-adjustable manhole cover is known from DE-A 3 314 324, which is composed of a concrete ring resting on the manhole, a height-adjustable manhole frame for a manhole cover and a relining. Through recesses opening towards the inside of the shaft, set screws with an adjusting ring and a nut are used, with which the height of the shaft frame can be adjusted by turning the set screw.
  • the adjusting screws serve two purposes: on the one hand, the height adjustability is to be made possible and, on the other hand, the manhole frame is to be tightened so that it cannot be loosened by vibrations caused by rolling traffic.
  • the screwing devices are part of the manhole cover, which remain installed. It cannot be avoided here that the adjusting screws can no longer be operated or can only be operated with great effort as a result of corrosion.
  • the invention begins, which is based on the object of designing a manhole cover of the type described at the outset in such a way that, on the one hand, the manhole frame can be raised or lowered in a simple manner if necessary, but the adjustment means required for this purpose are only used when necessary, while they can be stored away from the manhole cover so that no effects of corrosion become effective, but on the other hand a reliable securing of the manhole frame in its position is guaranteed.
  • Fig. 1 shows the upper end of a shaft 2 laid with a vertical axis 1, e.g. a manhole or a water inlet.
  • a vertical axis 1, e.g. a manhole or a water inlet.
  • the shaft wall is designated. This can be made of in-situ concrete or consist of a concrete base or frame.
  • On the inner wall 4 of the shaft 2 some sleeves 5 are anchored distributed around the circumference, which are described in more detail with reference to FIG. 3.
  • a manhole frame 6 is laid flush with a bottom surface 7, which is usually formed by a covering 8. Between the manhole frame 6 and the manhole wall 3, a mortar 9 is placed on which the manhole frame 6 rests.
  • the shaft frame 6 also has sleeves 10 on its lower edge, which lie opposite the sleeves 5 in the shaft wall 3 and are made in one piece with the shaft frame 6.
  • the sleeve 5 has a recess 11 on the sleeve wall directed against the shaft frame 6.
  • the recess 11 is a slot which serves to receive a threaded bolt 12.
  • a recess 13 corresponding to the recess 11 in the sleeve 5 is provided in the wall of the sleeve 10 directed against the sleeve 5, a recess 13 corresponding to the recess 11 in the sleeve 5 is provided.
  • the manhole frame 6 can be firmly clamped onto the sub-mortar 19 by means of the threaded bolt 12 and a threaded nut 14.
  • the shaft frame 6 has a truncated cone-shaped wall 15 which forms a flange 16 at its lower end, the end face of which forms the inner wall 17 of the shaft frame 6 and essentially with the inner wall 4 of the shaft 2 aligned, which surrounds a lid or grate (not shown).
  • the sleeves 10 are integrated in the flange 16.
  • the flange 16 has two downwardly directed ring webs 18, 19, in which the sleeve 10 is embedded.
  • the sleeve 10 has an insertion opening 20 which has a rectangular cross section.
  • the insertion opening 20 has a longitudinal axis 21 which extends transversely to the shaft axis 1, preferably perpendicularly and radially.
  • 3 shows details of the sleeves 5 anchored in the shaft wall 3.
  • the sleeve 5 has an insertion opening 22 corresponding to the insertion opening 20.
  • a height adjustment device 28 is used in order to bring the manhole frame 6 into the new position.
  • a height adjustment device 28 is used.
  • This consists of a threaded bolt 29 with a screw head 30 which is connected on the thread side to a support disk 31 which is spherically curved on the side facing away from the screw head.
  • a lower connecting arm 32 is screwed onto the threaded bolt 29, while an upper connecting arm 33 with a through hole 34 is loosely guided on the threaded bolt 29.
  • the lower connecting arm 32 has an insertion part 35 corresponding to the insertion opening 22, while the upper connecting arm 33 has an insertion part 36 corresponding to the insertion opening 20 of the sleeve 10.
  • An adjusting ring 37 is clamped on the threaded bolt between the two connecting arms 32, 33.
  • the adjusting ring 37 is expediently designed as a slotted ring screwed onto the thread of the threaded bolt 29, a tensioning screw 38 being arranged in the ring parts in the region of the slot, with which these ring parts can be drawn together or driven apart.
  • the adjusting ring is clamped on the threaded bolt 29 with the clamping screw 38, it forms a shoulder which is firmly connected to the threaded bolt 29 and, when the threaded bolt 29 is turned, lies on the underside of the upper connecting arm 33 and lifts the latter and thus also the manhole frame 6
  • the shaft frame can be raised over the entire circumference, the lifting being able to take place both uniformly or, as with an inclined surface 27, differently. If the manhole frame has taken its new place, the space between the manhole frame 6 and the shaft wall 3 is filled with a mortar. It is expedient here - not specifically shown in FIG.
  • the adjusting ring 37 as can be seen from FIG. 4, also has a spherically curved side surface.
  • the height adjustment device or height adjustment devices 28 can be removed and are available as often as desired for further laying or for laying other manhole covers.
  • the sleeves 5 in the shaft wall 3 can also be arranged in a coherent ring if, e.g. with very large manhole covers, a more effective anchoring of the sleeves 5 is required.
  • the threaded bolt 29 can be adjusted by a stroke adjustment, e.g. hydraulic or pneumatic type, to be replaced.
  • the threaded spindle can also be rotated by means of a motor drive.
  • other hooking means can also be provided instead of the insertion openings 20, 22, for example cams on which the connecting arms 32, 33 are supported. Such cams need only protrude little over the profile of the inner wall of the shaft.

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)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
EP19860116101 1986-01-31 1986-11-20 Schachtabdeckung Expired - Lifetime EP0231454B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH384/86 1986-01-31
CH38486A CH670847A5 (enrdf_load_stackoverflow) 1986-01-31 1986-01-31

Publications (2)

Publication Number Publication Date
EP0231454A1 EP0231454A1 (de) 1987-08-12
EP0231454B1 true EP0231454B1 (de) 1990-12-27

Family

ID=4185777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860116101 Expired - Lifetime EP0231454B1 (de) 1986-01-31 1986-11-20 Schachtabdeckung

Country Status (3)

Country Link
EP (1) EP0231454B1 (enrdf_load_stackoverflow)
CH (1) CH670847A5 (enrdf_load_stackoverflow)
DE (1) DE3676677D1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH674231A5 (enrdf_load_stackoverflow) * 1987-10-12 1990-05-15 Von Roll Ag
DE4127806A1 (de) * 1991-08-22 1993-03-04 Kuemper & Schwarze Baubetriebe Hoehenverstellbarer montagedeckel fuer kanalschaechte im strassenbau
US5306062A (en) * 1993-04-21 1994-04-26 Dodge John P Adjustable lifting device for sewer frame or the like
JP3522268B2 (ja) 2002-04-26 2004-04-26 志賀産業株式会社 マンホール蓋を含む枠取替え工法
ES2318957B1 (es) * 2006-05-16 2010-02-05 Fabrez, S.L. Procedimiento de construccion de un cerramiento a nivel de calle para cierre de plataformas, arquetas y similares; y, cerramiento asi obtenido.
SE2130011A1 (sv) * 2021-01-12 2021-09-28 Tierps Jaernbruk Ab Brunnsbetäckning med lyft- och sänkbart lock

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249860A (en) * 1968-01-13 1971-10-13 Frederick Edward Walters Improvements relating to manhole covers
US3930739A (en) * 1972-08-22 1976-01-06 Larsson Folke J Manhole frame with adjustment screws
DE3314324A1 (de) * 1983-04-20 1984-10-25 Buderus Ag, 6330 Wetzlar Hoehenverstellbare schachtabdeckung
DE3413823A1 (de) * 1984-04-12 1985-10-17 Buderus Ag, 6330 Wetzlar Hoehenverstellbare schachtabdeckung

Also Published As

Publication number Publication date
EP0231454A1 (de) 1987-08-12
DE3676677D1 (de) 1991-02-07
CH670847A5 (enrdf_load_stackoverflow) 1989-07-14

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