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EP0447761B1 - Rectangular manhole cover - Google Patents

Rectangular manhole cover Download PDF

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Publication number
EP0447761B1
EP0447761B1 EP91101044A EP91101044A EP0447761B1 EP 0447761 B1 EP0447761 B1 EP 0447761B1 EP 91101044 A EP91101044 A EP 91101044A EP 91101044 A EP91101044 A EP 91101044A EP 0447761 B1 EP0447761 B1 EP 0447761B1
Authority
EP
European Patent Office
Prior art keywords
hinge
shaft covering
frame
covering
frame part
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
EP91101044A
Other languages
German (de)
French (fr)
Other versions
EP0447761A1 (en
Inventor
Alfred Dipl.-Ing. Fuchs (Fh)
Bernhard Weiss
Thomas Dipl.-Ing. Dernbach
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.)
Aqseptence Group GmbH
Original Assignee
Passavant Werke AG and Co KG
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 Passavant Werke AG and Co KG filed Critical Passavant Werke AG and Co KG
Publication of EP0447761A1 publication Critical patent/EP0447761A1/en
Application granted granted Critical
Publication of EP0447761B1 publication Critical patent/EP0447761B1/en
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
    • E02D29/1463—Hinged connection of cover to frame
    • 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 rectangular covers for shafts and supply channels.
  • Such covers consist of a frame, preferably composed of cast or profiled steel parts, and a fitted cast cover, which may be filled with concrete (DE-GM 85 05 180).
  • the covers are rasterized very closely for a wide variety of applications, whereby individual frame parts can be used in several sizes.
  • the lids must be lifted using special tools. Especially with large lid dimensions, the weight of the lid is so great that opening it creates considerable difficulties.
  • the object of remedying this is achieved according to the present invention, including a known mechanical, Hydraulic or pneumatic opening aid solved in that the cover has a hinge on one end face, that frame parts of the next larger grid dimension are taken for the frame sides adjoining the hinge side and that the frame part containing the hinge bearing has a width bridging the grid difference.
  • Existing frame parts can therefore be used for a cover with a hinge and opening aid. This reduces the number of models and inventory. Model change parts can be used for the cast iron lid.
  • the hinge it is conceivable to also design the hinge as an additional part which is screwed onto the front of the cover.
  • the end cover or any row cover is to be provided with opening aid for row covers, this can be achieved by using a small, gridded cover with a hinge part and a hinge frame part.
  • Another important embodiment is to assemble the frame part containing the hinge from a normal frame part and an insert profile that contains the hinge bearings. In order to avoid contamination of the hinge and thus its inability to function, it is proposed to pull the cover over the hinge bolts and eyes so that they are completely covered.
  • Figures 1 and 2 show the new manhole cover in section through the hinge part (Fig. 1) and in plan view of this Detail (Fig. 2).
  • the frame 1 of the manhole cover is composed of two longitudinal profiles 2 and two transverse profiles 3. At the connection points, flanges 4, 5 are provided, which are screwed together. Horizontal ribs 6 on the outside provide the necessary flexural strength.
  • the base flange 7 of the frame profiles 2, 3 is also stiffened by vertical ribs 8.
  • the cover 10 filled with concrete 9 has eyes 11 cast on a narrow side for a hinge.
  • the counterpart in the frame is an insert profile 12, which adapts to the outside of the negative bevel 13 and to the inside of the positive bevel 13 ′ of the cover.
  • the insert profile 12 is screwed to the frame profile 3 (internal screws 13).
  • the insert profile has an apron-shaped extension 16 which lies against the inside of the frame base 3.
  • This extension 16 serves as a support surface for the console 17, which at its lower end receives the opening aid 25, which is designed as a gas-filled lifting cylinder, in an articulated manner.
  • the console 17 is screwed with its console plate 18 under the middle part of the insert profile 12.
  • the underside of the lid 10 has a locking device in the form of a tilting rod 20 which, in the open position, can be put into pockets (not shown).
  • the toggle rod is raised before closing.
  • the downward-projecting extension is missing from the insert profile 12 '.
  • the Console 17 ' is supported directly on the foot of the frame part 3'.
  • a gutter 21 for incoming day water is cast on the inner edge of the insert profile 12 '. It is open at the side and opens into a corresponding longitudinal channel 22, which is placed under the longitudinal parts 3 ′′ of the frame 1 with the aid of an L-rail 23.
  • the longitudinal channels have (not shown) connections to leachate pipes.
  • the one pivot hole 24 for the opening aid 25 is designed as an elongated hole. This causes this (shorter) lifting cylinder to lose its lifting power at the end of its stroke and is only loosely pulled along. The opening force thus decreases towards the end of the stroke in accordance with the decrease in the lever arm of the cover weight.
  • a hinge-free cover of the next smallest grid dimension can be taken and the hinge bridge can be screwed on as an additional part.
  • gutter 21 instead of molding the gutter 21 onto the insert profile 12 ', it could also be designed as an additional part which is screwed onto the insert profile from below and e.g. gets stuck under the console.

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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)

Description

Die Erfindung betrifft rechteckige Abdeckungen für Schächte und Versorgungskanäle.The invention relates to rectangular covers for shafts and supply channels.

Derartige Abdeckungen bestehen aus einem vorzugsweise aus Guß- oder Profilstahlteilen zusammengesetzten Rahmen und einem eingepaßten Gußdeckel, der ggf. mit Beton gefüllt ist (DE-GM 85 05 180). Die Abdeckungen sind für die verschiedensten Anwendungsfälle sehr eng gerastert, wobei einzelne Rahmenteile bei mehreren Größen verwendet werden können.Such covers consist of a frame, preferably composed of cast or profiled steel parts, and a fitted cast cover, which may be filled with concrete (DE-GM 85 05 180). The covers are rasterized very closely for a wide variety of applications, whereby individual frame parts can be used in several sizes.

Die Deckel müssen mit Spezialwerkzeugen ausgehoben werden. Namentlich bei großen Deckelabmessungen ist das Gewicht der Deckel so groß, daß das Öffnen erhebliche Schwierigkeiten macht. Die Aufgabe, hier Abhilfe zu schaffen, wird gemäß der vorliegenden Erfindung unter Einbeziehung einer an sich bekannten mechanischen, hydraulischen oder pneumatischen Öffnungshilfe dadurch gelöst, daß der Deckel an einer Stirnseite ein Scharnier aufweist, daß für die an die Scharnierseite angrenzenden Rahmenseiten Rahmenteile des nächstgrößeren Rastermaßes genommen werden und daß das das Scharnierlager enthaltende Rahmenteil eine die Rasterdifferenz überbrückende Breite hat. Für eine Abdeckung mit Scharnier und Öffnungshilfe können also vorhandene Rahmenteile verwendet werden. Dies verringert die Modellzahl und die Lagerhaltung. Für den gußeisernen Deckel können Modellwechselteile zum Einsatz kommen. Es ist jedoch denkbar, das Scharnier ebenfalls als Zusatzteil auszubilden, das stirnseitig an den Deckel angeschraubt wird. Wenn bei Reihenabdeckungen der Enddeckel oder ein beliebiger Reihendeckel mit Öffnungshilfe versehen werden soll, kann dies durch Verwendung eines kleiner gerasterten Deckels mit Scharnierteil und eines Scharnier-Rahmenteils verwirklicht werden. Eine weitere wichtige Ausgestaltungsmöglichkeit besteht darin, das das Scharnier enthaltende Rahmenteil aus einem normalen Rahmenteil und einem Einsatzprofil zusammenzusetzen, das die Scharnierlager enthält. Um Verschmutzungen des Scharniers und damit dessen Funktionsunfähigkeit zu vermeiden, wird vorgeschlagen, den Deckel über die Scharnierbolzen und -augen zu ziehen, so daß diese vollständig abgedeckt sind.The lids must be lifted using special tools. Especially with large lid dimensions, the weight of the lid is so great that opening it creates considerable difficulties. The object of remedying this is achieved according to the present invention, including a known mechanical, Hydraulic or pneumatic opening aid solved in that the cover has a hinge on one end face, that frame parts of the next larger grid dimension are taken for the frame sides adjoining the hinge side and that the frame part containing the hinge bearing has a width bridging the grid difference. Existing frame parts can therefore be used for a cover with a hinge and opening aid. This reduces the number of models and inventory. Model change parts can be used for the cast iron lid. However, it is conceivable to also design the hinge as an additional part which is screwed onto the front of the cover. If the end cover or any row cover is to be provided with opening aid for row covers, this can be achieved by using a small, gridded cover with a hinge part and a hinge frame part. Another important embodiment is to assemble the frame part containing the hinge from a normal frame part and an insert profile that contains the hinge bearings. In order to avoid contamination of the hinge and thus its inability to function, it is proposed to pull the cover over the hinge bolts and eyes so that they are completely covered.

Weiter vorteilhafte Ausgestaltungsmöglichkeiten, z.B. eine trotz Aufklappbarkeit tagwasserdichte Ausführungsform der Abdeckung, sind anhand der beigefügten Abbildungen beschrieben.Further advantageous design options, e.g. an embodiment of the cover which is watertight despite being foldable are described with the aid of the attached figures.

Die Figuren 1 und 2 zeigen die neue Schachtabdeckung im Schnitt durch das Scharnierteil (Fig. 1) und in der Draufsicht auf dieses Detail (Fig. 2). Der Rahmen 1 der Schachtabdeckung ist aus zwei Längsprofilen 2 und zwei Querprofilen 3 zusammengesetzt. An den Anschlußstellen sind Flansche 4,5 vorgesehen, die miteinander verschraubt sind. Horizontale Rippen 6 an der Außenseite ergeben die notwendige Biegefestigkeit. Auch der Fußflansch 7 der Rahmenprofile 2, 3 ist durch Vertikalrippen 8 versteift.Figures 1 and 2 show the new manhole cover in section through the hinge part (Fig. 1) and in plan view of this Detail (Fig. 2). The frame 1 of the manhole cover is composed of two longitudinal profiles 2 and two transverse profiles 3. At the connection points, flanges 4, 5 are provided, which are screwed together. Horizontal ribs 6 on the outside provide the necessary flexural strength. The base flange 7 of the frame profiles 2, 3 is also stiffened by vertical ribs 8.

Der mit Beton 9 gefüllte Deckel 10 besitzt an einer Schmalseite angegossene Augen 11 für ein Scharnier. Das Gegenstück im Rahmen ist ein Einsatzprofil 12, das sich an der Außenseite der Negativschräge 13 und an der Innenseite der Positivschräge 13'des Deckels anpaßt. Das Einsatzprofil 12 wird, wie die Fig. 2 zeigt, mit dem Rahmenprofil 3 verschraubt (Innenschrauben 13).The cover 10 filled with concrete 9 has eyes 11 cast on a narrow side for a hinge. The counterpart in the frame is an insert profile 12, which adapts to the outside of the negative bevel 13 and to the inside of the positive bevel 13 ′ of the cover. As shown in FIG. 2, the insert profile 12 is screwed to the frame profile 3 (internal screws 13).

Als Scharnierteil dienen zwei Bolzen 14, die in die Augen 11 getrieben worden sind. Der Bereich zwischen den Augen 11 ist durch einen Vorsprung 15 des Deckels abgedeckt. An der Unterseite besitzt das Einsatzprofil einen schürzenförmigen Fortsatz 16, der sich gegen die Innenseite des Rahmenfußes 3 legt. Dieser Fortsatz 16 dient als Stützfläche für die Konsole 17, die an ihrem unteren Ende die als gasgefüllter Hubzylinder ausgebildete Öffnungshilfe 25 gelenkig aufnimmt. Die Konsole 17 ist mit ihrer Konsolplatte 18 unter dem Mittelteil des Einsatzprofils 12 angeschraubt.Two bolts 14, which have been driven into the eyes 11, serve as the hinge part. The area between the eyes 11 is covered by a projection 15 of the cover. On the underside, the insert profile has an apron-shaped extension 16 which lies against the inside of the frame base 3. This extension 16 serves as a support surface for the console 17, which at its lower end receives the opening aid 25, which is designed as a gas-filled lifting cylinder, in an articulated manner. The console 17 is screwed with its console plate 18 under the middle part of the insert profile 12.

Die Unterseite des Deckels 10 besitzt eine Schließsicherung in Form einer Kippstange 20, die in der Offenstellung in (nicht dargestellte) Taschen faßt. Vor dem Schließen wird die Kippstange ausgehoben.The underside of the lid 10 has a locking device in the form of a tilting rod 20 which, in the open position, can be put into pockets (not shown). The toggle rod is raised before closing.

Bei der in Fig. 3 und 4 gezeigten zweiten Ausführungsform fehlt an dem Einsatzprofil 12' der nach unten abstehende Fortsatz. Die Konsole 17' stützt sich unmittelbar an dem Fuß des Rahmenteils 3' ab. An der Innenkante des Einsatzprofils 12' ist eine Auffangrinne 21 für eindringendes Tagwasser angegossen. Sie ist seitlich offen und mündet in eine entsprechende Längsrinne 22, die mit Hilfe einer L-Schiene 23 unter die Längsteile 3'' des Rahmens 1 gesetzt ist. Die Längsrinnen besitzen (nicht dargestellte) Anschlüsse an Sickerwasserleitungen.In the second embodiment shown in FIGS. 3 and 4, the downward-projecting extension is missing from the insert profile 12 '. The Console 17 'is supported directly on the foot of the frame part 3'. A gutter 21 for incoming day water is cast on the inner edge of the insert profile 12 '. It is open at the side and opens into a corresponding longitudinal channel 22, which is placed under the longitudinal parts 3 ″ of the frame 1 with the aid of an L-rail 23. The longitudinal channels have (not shown) connections to leachate pipes.

Aus Fig. 3 ist zu ersehen, daß die eine Anlenkbohrung 24 für die Öffnungshilfe 25 als Langloch ausgebildet ist. Dies bewirkt, daß dieser (kürzere) Hubzylinder am Ende seines Hubs seine Hubkraft verliert und nur noch lose mitgezogen wird. Die Öffnungskraft verringert sich also gegen Hubende entsprechend der Abnahme des Hebelarms des Deckelgewichts.From Fig. 3 it can be seen that the one pivot hole 24 for the opening aid 25 is designed as an elongated hole. This causes this (shorter) lifting cylinder to lose its lifting power at the end of its stroke and is only loosely pulled along. The opening force thus decreases towards the end of the stroke in accordance with the decrease in the lever arm of the cover weight.

Statt die Scharnieraugen 11 an den Deckel 10 anzugießen, kann ein scharnierloser Deckel des nächstkleineren Rastermaßes genommen und die Scharnierbrücke als Zusatzteil angeschraubt werden.Instead of casting the hinge eyes 11 onto the cover 10, a hinge-free cover of the next smallest grid dimension can be taken and the hinge bridge can be screwed on as an additional part.

Statt die Auffangrinne 21 an das Einsatzprofil 12' anzuformen, könnte sie auch als Zusatzteil ausgebildet sein, das von unten an das Einsatzprofil angeschraubt und z.B. unter der Konsole eingeklemmt wird.Instead of molding the gutter 21 onto the insert profile 12 ', it could also be designed as an additional part which is screwed onto the insert profile from below and e.g. gets stuck under the console.

Claims (13)

  1. A rectangular shaft covering, consisting of a frame composed of crucible cast steel or sectional steel parts and a fitted covering, characterized in that the covering (9) has a hinge (11, 14) at its surface, that for the frame sides bordering to the hinge side frame parts (3'') of the next-bigger screen size are used and that the frame part (12) containing the hinge bearing (14) has a width which spans the screen difference.
  2. A shaft covering as claimed in claim 1, characterized in that the cover (9) contains the hinge parts (11) cast on as model replacement pieces.
  3. A shaft covering as claimed in claim 1, characterized in that the hinge parts are screwed to the cover.
  4. A shaft covering as claimed in claim 1, 2 or 3, characterized in that the frame part (12, 12') containing the hinge bearing (11, 14) has a gudgeon (17, 17') on the bottom for the storing of an opening aid (25).
  5. A shaft covering as claimed in claim 4, characterized in that the gudgeon (17, 17') is screwed on.
  6. A shaft covering as claimed in claims 1 to 5, characterized in that the frame part (12') containing the hinge bearing (11, 14) has on the bottom at the interior edge a collection gutter (21) for leakage water.
  7. A shaft covering as claimed in claim 6, characterized in that the collection gutter (21) is form adjusted as a model replacement piece.
  8. A shaft covering as claimed in claim 6, characterized in that the collection gutter is screwed to the frame part.
  9. A shaft covering as claimed in one or several of the previous claims, characterized in that the cover (9, 15) covers the hinge (11, 14) on the top.
  10. A shaft covering as claimed in claim 1, characterized in that the frame part containing the hinge bearing (11, 14) consists of a normal hinge-less frame part (3, 3') and an insertion profile (12, 12') which contains the hinge bearing (11, 14).
  11. A shaft covering as claimed in claim 10, characterized in that the insertion profile (12, 12') and the frame part (3, 3') are screwed together.
  12. A shaft covering as claimed in claim 6, characterized in that drainage gutters (22) for leakage water are placed to the frame parts (3'') bordering to the hinge bearing (11, 14) and flow into the collection gutter (21).
  13. A shaft covering as claimed in claim 12, characterized in that the deflection gutter (22) is part of a profile rail (23) built-in underneath the frame parts (3'').
EP91101044A 1990-03-23 1991-01-28 Rectangular manhole cover Expired - Lifetime EP0447761B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4009368A DE4009368A1 (en) 1990-03-23 1990-03-23 RECTANGULAR SHAFT COVER
DE4009368 1990-03-23

Publications (2)

Publication Number Publication Date
EP0447761A1 EP0447761A1 (en) 1991-09-25
EP0447761B1 true EP0447761B1 (en) 1993-11-03

Family

ID=6402904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101044A Expired - Lifetime EP0447761B1 (en) 1990-03-23 1991-01-28 Rectangular manhole cover

Country Status (2)

Country Link
EP (1) EP0447761B1 (en)
DE (2) DE4009368A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4208453C2 (en) * 1992-03-17 1996-02-22 Passavant Werke Manhole cover with a circular manhole cover with a hinge
DE10101749B4 (en) * 2001-01-16 2005-02-10 DeLu Luftkissen Transportgerätetechnik GmbH Cover for pits
DE102012111960A1 (en) * 2012-12-07 2014-06-12 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Frame of a drainage channel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545771A (en) * 1944-05-15 1951-03-20 Elkington Vlvian Manhole and inspection cover and frame
US3938545A (en) * 1974-11-15 1976-02-17 International Telephone And Telegraph Corporation Access cover with moveable attaching devices for underground pumping stations and other installations
GB1497254A (en) * 1974-12-20 1978-01-05 Amberholt Ltd Surface boxes
DE8202626U1 (en) * 1982-02-02 1982-06-24 Neu, Karlheinz, 5810 Witten COVER FOR A MAN HOLE OR A SHAFT
DE8505180U1 (en) * 1985-02-23 1985-05-09 Passavant-Werke AG & Co KG, 6209 Aarbergen Manhole cover

Also Published As

Publication number Publication date
DE59100541D1 (en) 1993-12-09
EP0447761A1 (en) 1991-09-25
DE4009368A1 (en) 1991-09-26

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