EP0489302B1 - Apparatus for making manholes - Google Patents

Apparatus for making manholes Download PDF

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Publication number
EP0489302B1
EP0489302B1 EP91119752A EP91119752A EP0489302B1 EP 0489302 B1 EP0489302 B1 EP 0489302B1 EP 91119752 A EP91119752 A EP 91119752A EP 91119752 A EP91119752 A EP 91119752A EP 0489302 B1 EP0489302 B1 EP 0489302B1
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EP
European Patent Office
Prior art keywords
shell
moulding
segments
jacket
moulding shell
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EP91119752A
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German (de)
French (fr)
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EP0489302A1 (en
Inventor
Konstantin Varvaroussis
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
    • B28B7/04—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article one or more of the parts being pivotally mounted

Definitions

  • the invention relates to a device according to the preamble of patent claim 1.
  • Devices for molding sewer shafts each having at least two connecting sleeves with an at least two preferably mutually rotatable molded jacket sections provided with sleeve inserts, such as socket mirrors, and at least one jacket segment having a jacket segment and a mold core arranged therein are e.g. the DE 25 41 612 C and DE 26 25 506 C. Sewage ducts of known standardization can be produced with these devices, the advantage being that the angular adjustability of the shaped jacket sections having the socket inserts means that sewer ducts with a different angular profile of the connecting sleeves can be produced with one and the same device.
  • shaped jacket sections having the socket inserts have bottom horizontal flanges on the bottom, which can be moved on stationary base rings.
  • the shaped jacket sections referred to as shaped jacket halves have, on the outside, toothed ring segments which cooperate with drive pinions in order to enable the adjustable jacket halves to be adjusted relative to one another.
  • a formwork for concreting sewer shafts with the features mentioned in the preamble of claim 1 is known from DD 245 113 A3.
  • the formwork has jacket segments which are fixed in position on the outside by clamping elements resting on the jacket segments.
  • the tensioning elements are inserted into the receptacles and can be removed from the formwork in the direction of the end faces.
  • the known device has the disadvantage that a simple detachment of the formwork from the cast sewer shaft is not possible.
  • the clamping rings resting on the molded casing can be connected to it by mortar residues and, on the other hand, the entire device, with the sewage shaft located therein, has to be lifted, e.g. to remove the bottom clamping ring from the molded jacket.
  • the object of the present invention is to develop a device of the type mentioned at the outset in such a way that sewer shafts with the desired course of the connecting sleeves can be produced using structurally simpler means, not only simple assembly of the device but also direct removal of the same from the cast sewer shaft is, so that an increased use of the device can be achieved.
  • Mechanical manufacture of sewage shafts should also be possible.
  • the elements are designed as circumferential closed clamping rings and are held at a distance from the molded jacket section and the shell segments projecting receptacles to the molded jacket and that the clamping rings have different diameters, with a clamping ring running in the bottom region of the device having a larger diameter than one has clamping ring running in the upper region of the device.
  • This clamping ring engages in receptacles, such as mounting brackets, which protrude from the outer sides of the shaped jacket sections or the jacket segment or segments so that the position is fixed to such an extent that the device can be filled with concrete or other desired materials without the risk there is that the elements slip against each other in an uncontrolled manner.
  • receptacles such as mounting brackets
  • At least one jacket segment extends from each side of the shaped jacket sections having the sleeve insert.
  • At least one jacket segment has a sleeve insert.
  • At least one free longitudinal edge of the shaped jacket section has a receptacle for a subsequent jacket segment.
  • the jacket segments experience an additional positional fixation, at least in the region of the molded jacket section, so that the overall stability of the device is increased.
  • the shaped jacket section having the sleeve insert has a U-shape in section, the side legs of which for releasably receiving subsequent ones Sheath segments are formed.
  • the receptacles are preferably longitudinal slots running in the area of the longitudinal edges.
  • the shaped jacket sections having the socket inserts are first positioned at the desired position of the clamping rings, and then in the Longitudinal slots of the molded jacket sections to introduce jacket segments of the desired arc lengths which overlap between the molded jacket sections.
  • the shaped jacket sections having the socket inserts are first positioned at the desired position of the clamping rings, and then in the Longitudinal slots of the molded jacket sections to introduce jacket segments of the desired arc lengths which overlap between the molded jacket sections.
  • protruding receptacles for the clamping rings ensure that the jacket segments cannot tip away when the device is filled.
  • the device in the interior of which a mold core is arranged coaxially and the socket inserts are connected to one another via shaped bodies or channel shaped parts, is filled with concrete or other suitable materials, the device can be removed immediately from the sewage duct to be produced if the material is to a certain extent is set or hardened that a change in shape is no longer possible. It is then only necessary to remove the clamping rings and the jacket segments or molded jacket sections from the sewage shaft, and in order to facilitate the removal of the empty molded jacket sections, these can be provided on the bottom with sliding elements such as rollers.
  • the elements can then be reassembled into a device in order to produce a further sewerage shaft.
  • the device according to the invention is also suitable for the mechanical production of sewage ducts.
  • the molded jacket on z. B. a plate can be fixed in position, which has an annular groove or circular recess corresponding to the shaped jacket periphery, in which the shaped jacket is positioned.
  • the clamping rings can be z.
  • hydraulic cylinders can be raised or lowered to open or close the shell.
  • the devices (12) and (14) each have a hollow cylindrical shaped jacket (16) in which a mold core (1) is arranged coaxially.
  • the shaped jacket (16) in the embodiment of FIG. 1 consists of side sleeves (10) having molded jacket sections or sleeve mirrors (2) and molded jacket segments (3) and (4) which are arranged to overlap to the extent that a molded jacket (16) results in a closed form.
  • clamping rings (8) and (9) are provided, which are formed by the shaped jacket sections (2) and the shaped jacket segments ( 3) and (4) protruding receptacle as slotted brackets (6) and (7) can be inserted.
  • FIGS. 2 and 4 The consoles (6) and (7) with the slots are in FIGS. 2 and 4 and the tensioning rings (7) and (8) introduced into them, which can also be replaced by other peripheral elements, are shown in FIGS. 1 and 3 clearly removable.
  • the mounting brackets (6) and (7) run on the one hand in the bottom area and on the other hand in the upper edge area of the shaped jacket (16), so as to ensure high stability for the entire device (12) and (14) to achieve.
  • the diameter of the lower clamping ring (8) is also larger than that of the upper clamping ring (9) so that the former can be inserted into the slots of the lower clamping ring brackets (6) via the protruding clamping ring brackets (7).
  • recess inserts (11) emanate from the socket inserts (10), which later establish a connection to the space left free by the casing core (1).
  • the angle of 180 ° shown between the opposite sleeve inserts (10) can be changed by rotating the shaped jacket sections (2), which are referred to as sleeve mirrors, against each other, the clamping rings (8) and (9) forming guides.
  • the shaped jacket segments (4) overlap more or less with the segment-shaped sections (18) and (20) starting from the socket mirrors (2) or with the shaped jacket segments (3) which can be referred to as angle shaped sheets .
  • Fig. 1 illustrates that the middle shell segments (4) with respect to the shell segment (2) starting segment segments (18) and (20) and the interchangeable metal sheets (3) run inside. Nevertheless, a lower or upper clamping ring bracket (6) and (7), which are generally provided with the reference numerals (22) and (24) in FIG. 1, is only required in the central region of the shaped jacket segments (4), without there is a risk that the segments (4) will tip away when filling the mold; because the segments (4) are supported on the outside by the segment sections (18) and (20) or by the shell segments (3).
  • the elements forming the mold jacket (16) are supported on a profile ring (5), within which the mold core (1) is arranged centered.
  • the profile core (1) has a flange ring (26) running around the bottom, the outer diameter of which is a step (18) of the profile ring (5). is adjusted.
  • the device (14) according to FIGS. 3 and 4 differs from that of FIGS. 1 and 2 essentially in that the shaped jacket sections (2), which are also referred to as socket mirrors and which have the socket inserts (10), have a U-shape having vertical longitudinal edges (30), (31), (32) and (33) of the side legs (34), (36), (42) and (44) receptacles (35,), (37), (39 ) and (41) for mold jacket segments (38) and (40) which can be introduced into them and which correspond to the segments (3).
  • These measures allow the elements to be used universally, since the distance between the U-shaped shaped casing sections (2) having the socket inserts (10) can be adjusted to an even greater extent.
  • the receptacles (35), (37), (38), (39) and (40), (41) have a U-shape on average, the inner spacing of the side legs depending on the material thickness of the shaped jacket segments (3) or (4) or (38) or (40) is adapted.
  • rollers (46) on the bottom side which then do not engage with the Floor surface shown, on which the device (14) is parked, can be supported when the shaped jacket sections (2) are tilted.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sewage (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Centrifugal Separators (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

An apparatus (12) for making manholes is proposed. In this apparatus, the mould-shell sections (2) and shell segments (3, 4), which determine the shape of the manhole, are fixed in position via peripheral clamping rings (8, 9). <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a device according to the preamble of patent claim 1.

Vorrichtungen zum Formen von jeweils zumindest zwei Anschlußmuffen aufweisenden Kanalisationsschächten mit einem zumindest zwei vorzugsweise gegeneinander verdrehbaren mit Muffeneinsätzen versehenen Formmantelabschnitten wie Muffenspiegeln sowie zumindest ein Mantelsegment aufweisendem Formmantel und einem in diesem angeordneten Formkern sind z.B. den DE 25 41 612 C und DE 26 25 506 C zu entnehmen. Mit diesen Vorrichtungen lassen sich Kanalisationsschächte bekannter Normung herstellen, wobei durch die Winkelverstellbarkeit der die Muffeneinsätze aufweisenden Formmantelabschnitte der Vorteil gegeben ist, daß mit ein und derselben Vorrichtung Kanalisationsschächte mit voneinander abweichendem Winkelverlauf der Anschlußmuffen hergestellt werden können.Devices for molding sewer shafts each having at least two connecting sleeves with an at least two preferably mutually rotatable molded jacket sections provided with sleeve inserts, such as socket mirrors, and at least one jacket segment having a jacket segment and a mold core arranged therein are e.g. the DE 25 41 612 C and DE 26 25 506 C. Sewage ducts of known standardization can be produced with these devices, the advantage being that the angular adjustability of the shaped jacket sections having the socket inserts means that sewer ducts with a different angular profile of the connecting sleeves can be produced with one and the same device.

Um eine Verstellbarkeit der die Muffeneinsätze aufweisenden Formmantelabschnitte zu erzielen, weisen diese bodenseitig untere Horizontalflansche auf, die auf stationären Basisringen verschiebbar sind. Ferner weisen die als Formmantelhälften bezeichneten Formmantelabschnitte außenseitig Zahnkranzsegmente auf, die mit Antriebsritzeln zusammenwirken, um so die Verstellbarkeit der Formmantelhälften zueinander zu ermöglichen.An adjustability of the shaped jacket sections having the socket inserts To achieve, these have bottom horizontal flanges on the bottom, which can be moved on stationary base rings. Furthermore, the shaped jacket sections referred to as shaped jacket halves have, on the outside, toothed ring segments which cooperate with drive pinions in order to enable the adjustable jacket halves to be adjusted relative to one another.

Aus der DD 245 113 A3 ist eine Schalung zum Betonieren von Kanalisationsschächten mit den im Oberbegriff des Anspruchs 1 genannten Merkmalen bekannt. Zur Bildung eines Formmantels weist die Schalung Mantelsegmente auf, die außenseitig durch an den Mantelsegmenten aufliegende Spannelemente lagefixiert sind. Die Spannelemente sind jeweils in Aufnahmen eingebracht und können in Richtung der Stirnseiten von der Schalung entfernt werden.A formwork for concreting sewer shafts with the features mentioned in the preamble of claim 1 is known from DD 245 113 A3. To form a shaped jacket, the formwork has jacket segments which are fixed in position on the outside by clamping elements resting on the jacket segments. The tensioning elements are inserted into the receptacles and can be removed from the formwork in the direction of the end faces.

Die bekannte Vorrichtung weist den Nachteil auf, daß ein einfaches Lösen der Schalung von dem gegossenen Kanalisationsschacht nicht möglich ist. Einerseits können die an dem Formmantel anliegenden Spannringe durch Mörtelreste mit diesem verbunden sein und andererseits muß die gesamte Vorrichtung, mit dem darin befindlichen Kanalisationsschacht angehoben werden, um z.B. den bodenseitigen Spannring von dem Formmantel zu entfernen.The known device has the disadvantage that a simple detachment of the formwork from the cast sewer shaft is not possible. On the one hand, the clamping rings resting on the molded casing can be connected to it by mortar residues and, on the other hand, the entire device, with the sewage shaft located therein, has to be lifted, e.g. to remove the bottom clamping ring from the molded jacket.

Aufgabe der vorliegenden Erfindung ist es, eine Vorrichtung der eingangs genannten Art so weiterzubilden, daß mit konstruktiv einfacheren Mitteln Kanalisationsschächte mit gewünschtem Verlauf der Anschlußmuffen herstellbar sind, wobei nicht nur ein einfacher Zusammenbau der Vorrichtung, sondern auch ein unmittelbares Entfernen dieser von dem gegossenen Kanalisationsschacht möglich ist, so daß eine erhöhte Nutzung der Vorrichtung erreichbar ist. Auch soll gegebenenfalls ein maschinelles Herstellen von Kanalisationsschächten möglich sein.The object of the present invention is to develop a device of the type mentioned at the outset in such a way that sewer shafts with the desired course of the connecting sleeves can be produced using structurally simpler means, not only simple assembly of the device but also direct removal of the same from the cast sewer shaft is, so that an increased use of the device can be achieved. Mechanical manufacture of sewage shafts should also be possible.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Elemente als umlaufende geschlossene Spannringe ausgebildet und von dem Formmantelabschnitt und den Mantelsegmenten abragenden Aufnahmen beabstandet zum Formmantel gehalten sind und daß die Spannringe unterschiedliche Durchmesser aufweisen, wobei ein im Bodenbereich der Vorrichtung verlaufender Spannring einen größeren Durchmesser als ein im oberen Bereich der Vorrichtung verlaufender Spannring aufweist.The object is achieved in that the elements are designed as circumferential closed clamping rings and are held at a distance from the molded jacket section and the shell segments projecting receptacles to the molded jacket and that the clamping rings have different diameters, with a clamping ring running in the bottom region of the device having a larger diameter than one has clamping ring running in the upper region of the device.

Dieser Spannring greift in von den Außenseiten der Formmantelabschnitte bzw. des bzw. der Mantelsegmente abragenden Aufnahmen wie Aufnahmekonsolen ein, so daß eine Lagefixierung in einen, Umfang gegeben ist, daß die Vorrichtung mit Beton oder anderen gewünschten Materialien gefüllt werden kann, ohne daß die Gefahr besteht, daß die Elemente unkontrolliert gegeneinander verrutschen.This clamping ring engages in receptacles, such as mounting brackets, which protrude from the outer sides of the shaped jacket sections or the jacket segment or segments so that the position is fixed to such an extent that the device can be filled with concrete or other desired materials without the risk there is that the elements slip against each other in an uncontrolled manner.

Damit die Muffeneinsätze ihre gewünschte Stellung zueinander einnehmen können, geht zumindest jeweils ein Mantelsegment von jeder Seite der den Muffeneinsatz aufweisenden Formmantelabschnitte aus.So that the sleeve inserts can assume their desired position relative to one another, at least one jacket segment extends from each side of the shaped jacket sections having the sleeve insert.

Auch besteht die Möglichkeit, daß zumindest ein Mantelsegment einen Muffeneinsatz aufweist.There is also the possibility that at least one jacket segment has a sleeve insert.

In besonders hervorzuhebender Ausgestaltung ist vorgesehen, daß zumindest ein freier Längsrand des Formmantelabschnittes eine Aufnahme für ein sich anschließendes Mantelsegment aufweist. Hierdurch erfahren die Mantelsegmente zumindest im Bereich des Formmantelabschnittes eine zusätzliche Lagefixierung, so daß sich insgesamt die Stabilität der Vorrichtung erhöht.In a particularly noteworthy embodiment, it is provided that at least one free longitudinal edge of the shaped jacket section has a receptacle for a subsequent jacket segment. As a result, the jacket segments experience an additional positional fixation, at least in the region of the molded jacket section, so that the overall stability of the device is increased.

Um die Formmantelabschnitte auch sehr eng aneinanderbringen zu können bzw. um das Überlappen von den Formmantel bildenden Elementen zu reduzieren, ist nach einem Merkmal vorgesehen, daß der den Muffeneinsatz aufweisende Formmantelabschnitt im Schnitt eine U-Form aufweist, dessen Seitenschenkel zur lösbaren Aufnahme von sich anschließenden Mantelsegmenten ausgebildet sind. Dabei sind die Aufnahmen vorzugsweise im Bereich der Längsränder verlaufende Längsschlitze.In order to also be able to bring the shaped jacket sections very close together or to reduce the overlapping of the elements forming the shaped jacket, it is provided according to one feature that the shaped jacket section having the sleeve insert has a U-shape in section, the side legs of which for releasably receiving subsequent ones Sheath segments are formed. The receptacles are preferably longitudinal slots running in the area of the longitudinal edges.

Durch diese Maßnahmen ist ein überaus einfacher Zusammenbau der Vorrichtung möglich. So werden zunächst die die Muffeneinsätze aufweisenden Formmantelabschnitte an der gewünschten Stelle der Spannringe positioniert, um anschließend in die Längsschlitze der Formmantelabschnitte Mantelsegmente gewünschter Bogenlängen einzubringen, die sich zwischen den Formmantelabschnitten überlappen. Dabei bedarf es nur noch in den den Formmantelabschnitten abgewandten Bereichen der Mantelsegmente abragende Aufnahmen für die Spannringe, um sicherzustellen, daß beim Ausfüllen der Vorrichtung die Mantelsegmente nicht wegkippen können.These measures make the device extremely easy to assemble. Thus, the shaped jacket sections having the socket inserts are first positioned at the desired position of the clamping rings, and then in the Longitudinal slots of the molded jacket sections to introduce jacket segments of the desired arc lengths which overlap between the molded jacket sections. In this case, only in the regions of the jacket segments facing away from the molded jacket sections do protruding receptacles for the clamping rings ensure that the jacket segments cannot tip away when the device is filled.

Nachdem die Vorrichtung, in deren Innerem koaxial ein Formkern angeordnet ist und die Muffeneinsätze über Formkörper bzw. Gerinneformteile miteinander verbunden sind, mit Beton oder anderen geeigneten Materialien ausgefüllt sind, kann die Vorrichtung unmittelbar von dem herzustellenden Kanalisationsschacht entfernt werden, wenn das Material in einem Umfang abgebunden bzw. ausgehärtet ist, daß eine Formveränderung nicht mehr möglich ist. Es brauchen dann nur noch die Spannringe und die Mantelsegmente bzw. Formmantelabschnitte von dem Kanalisationsschacht weggenommen zu werden, wobei zur Erleichterung des Entfernens der leeren Formmantelabschnitte diese bodenseitig mit Gleitelementen wie Rollen versehen sein können.After the device, in the interior of which a mold core is arranged coaxially and the socket inserts are connected to one another via shaped bodies or channel shaped parts, is filled with concrete or other suitable materials, the device can be removed immediately from the sewage duct to be produced if the material is to a certain extent is set or hardened that a change in shape is no longer possible. It is then only necessary to remove the clamping rings and the jacket segments or molded jacket sections from the sewage shaft, and in order to facilitate the removal of the empty molded jacket sections, these can be provided on the bottom with sliding elements such as rollers.

Anschließend können die Elemente unmittelbarerneut zu einer Vorrichtung zusammengesetzt werden, um einen weiteren Kanalisationsschacht herzustellen.The elements can then be reassembled into a device in order to produce a further sewerage shaft.

Die erfindungsgemäße Vorrichtung ist auch für eine maschinelle Fertigung von Kanalisationsschächten geeignet. Hierzu kann der Formmantel auf z. B. einer Platte lagefixiert werden, die eine der Formmantelperipherie entsprechende ringförmige Nut oder kreisförmige Aussparung aufweist, in der der Formmantel positioniert wird. Die Spannringe können mittels z. B. Hydraulikzylindern angehoben bzw. abgesenkt werden, um den Formmantel zu öffnen bzw. zu schließen.The device according to the invention is also suitable for the mechanical production of sewage ducts. For this purpose, the molded jacket on z. B. a plate can be fixed in position, which has an annular groove or circular recess corresponding to the shaped jacket periphery, in which the shaped jacket is positioned. The clamping rings can be z. B. hydraulic cylinders can be raised or lowered to open or close the shell.

Weitere Einzelheiten, Vorteile und Merkmale der Erfindung ergeben sich nicht nur aus den Ansprüchen, sondern auch aus der nachfolgenden Beschreibung von der Zeichnung zu entnehmenden bevorzugten Ausführungsbeispielen.Further details, advantages and features of the invention result not only from the claims, but also from the following description of preferred exemplary embodiments which can be found in the drawing.

Es zeigen:

Fig. 1
eine erste Ausführungsform einer erfindungsgemäßen Vorrichtung zum Formen von Kanalisationsschächten in Draufsicht,
Fig. 2
eine Schnittdarstellung entlang der Linie A - B in Fig. 1,
Fig. 3
eine zweite Ausführungsform einer erfindungsgemäßen Vorrichtung zum Formen von Kanalisationsschächten und
Fig. 4
eine Schnittdarstellung entlang der Linie A - B in Fig. 3.
Show it:
Fig. 1
a first embodiment of a device according to the invention for forming sewer shafts in plan view,
Fig. 2
2 shows a sectional illustration along the line A - B in FIG. 1,
Fig. 3
a second embodiment of a device according to the invention for forming sewer shafts and
Fig. 4
3 shows a sectional illustration along the line A - B in FIG. 3.

In den Figuren, in denen gleiche Elemente mit gleichen Bezugszeichen versehen sind, sind zwei bevorzugte Ausführungsformen von Vorrichtungen (12) und (14) zur Herstellung von Kanalisationsschächten dargestellt.In the figures, in which the same elements are provided with the same reference numerals, two preferred embodiments of devices (12) and (14) for producing sewer shafts are shown.

Die Vorrichtungen (12) und (14) weisenjeweils einen hohlzylinderförmigen Formmantel (16) auf, in dem koaxial ein Formkern (1) angeordnet ist.The devices (12) and (14) each have a hollow cylindrical shaped jacket (16) in which a mold core (1) is arranged coaxially.

Der Formmantel (16) besteht beim Ausführungsbeispiel der Fig. 1 aus Seitenmuffen (10) aufweisenden Formmantelabschnitten oder Muffenspiegeln (2) sowie Formmantelsegmenten (3) und (4), die in einem Umfang überlappend angeordnet sind, daß sich ein Formmantel (16) in geschlossener Form ergibt.The shaped jacket (16) in the embodiment of FIG. 1 consists of side sleeves (10) having molded jacket sections or sleeve mirrors (2) and molded jacket segments (3) and (4) which are arranged to overlap to the extent that a molded jacket (16) results in a closed form.

Damit die Formmantelabschnitte (2) sowie die Formmantelsegmente (3) und (4) zur Bildung des Formmantels (16) lagefixiert werden können, sind Spannringe (8) und (9) vorgesehen, die in von den Formmantelabschnitten (2) und den Formmantelsegmenten (3) und (4) abragende Aufnahme wie mit Schlitzen versehene Konsolen (6) und (7) einbringbar sind.So that the shaped jacket sections (2) and the shaped jacket segments (3) and (4) can be fixed in position to form the shaped jacket (16), clamping rings (8) and (9) are provided, which are formed by the shaped jacket sections (2) and the shaped jacket segments ( 3) and (4) protruding receptacle as slotted brackets (6) and (7) can be inserted.

Die die Schlitze aufweisenden Konsolen (6) und (7) sind in den Figuren 2 und 4 und die in diese eingebrachten Spannringe (7) und (8), die auch durch andere umlaufende Elemente ersetzt werden können, sind den Fig. 1 und 3 klar entnehmbar.The consoles (6) and (7) with the slots are in FIGS. 2 and 4 and the tensioning rings (7) and (8) introduced into them, which can also be replaced by other peripheral elements, are shown in FIGS. 1 and 3 clearly removable.

Man erkennt aus den zeichnerischen Darstellungen, daß die Aufnahmekonsolen (6) und (7) zum einen im Bodenbereich und zum anderen im oberen Randbereich des Formmantels (16) verlaufen, um so eine hohe Stabilität für die gesamte Vorrichtung (12) und (14) zu erzielen. Auch ist der Durchmesser des unteren Spannringes (8) größer als der des oberen Spannringes (9), damit ersterer über die abragenden Spannringkonsolen (7) in die Schlitze der unteren Spannringkonsolen (6) eingebracht werden können.It can be seen from the drawings that the mounting brackets (6) and (7) run on the one hand in the bottom area and on the other hand in the upper edge area of the shaped jacket (16), so as to ensure high stability for the entire device (12) and (14) to achieve. The diameter of the lower clamping ring (8) is also larger than that of the upper clamping ring (9) so that the former can be inserted into the slots of the lower clamping ring brackets (6) via the protruding clamping ring brackets (7).

Zu erwähnen ist noch, daß von den Muffeneinsätzen (10) Aussparkerne (11) ausgehen, die später eine Verbindung zu dem von dem Mantelkern (1) freigelassenen Raum herstellen.It should also be mentioned that recess inserts (11) emanate from the socket inserts (10), which later establish a connection to the space left free by the casing core (1).

Da die den Formmantel (16) bildenden Elemente (2), (3) und (4) von den Spannringen (8) und (9) lagepositioniert sind, bedarf es keiner zusätzlichen Halteelemente bzw. Zahnkränze und mit diesen wechselwirkender Ritzel, um die Elemente derart zueinander zu verschieben, daß die Muffeneinsätze gewünschte Winkel zueinander beschreiben.Since the elements (2), (3) and (4) forming the shaped jacket (16) of the clamping rings (8) and (9) are positioned, there is no need for additional holding elements or sprockets and pinions interacting with them in order to move the elements to one another in such a way that the sleeve inserts describe the desired angles to one another.

Wie insbesondere die Draufsichten der Vorrichtungen (12) und (14) verdeutlichen, kann z.B. der dargestellte Winkel von 180° zwischen den gegenüberliegenden Muffeneinsätzen (10) dadurch verändert werden, daß die als Muffenspiegel zu bezeichnenden Formmantelabschnitte (2) gegeneinander verdreht werden, wobei die Spannringe (8) und (9) Führungen bilden. In Abhängigkeit von dem Verdrehen der Muffenspiegel (2) gegeneinander überlappen sich die Formmantelsegmente (4) mit den von den Muffenspiegeln (2) ausgehenden segmentförmigen Abschnitten (18) und (20) bzw. den als Winkelformblechen zu bezeichnenden Formmantelsegmenten (3) mehr oder weniger.As can be seen in particular from the top views of the devices (12) and (14), e.g. the angle of 180 ° shown between the opposite sleeve inserts (10) can be changed by rotating the shaped jacket sections (2), which are referred to as sleeve mirrors, against each other, the clamping rings (8) and (9) forming guides. Depending on the rotation of the socket mirrors (2) relative to one another, the shaped jacket segments (4) overlap more or less with the segment-shaped sections (18) and (20) starting from the socket mirrors (2) or with the shaped jacket segments (3) which can be referred to as angle shaped sheets .

Die Fig. 1 verdeutlicht, daß die mittleren Formmantelsegmente (4) in bezug auf die von den Muffenspiegeln (2) ausgehenden Mantelsegmentabschnitten (18) und (20) bzw. den Wechselformblechen (3) innenliegend verlaufen. Dennoch bedarf es für die Formmantelsegmente (4) nur in deren Mittenbereich jeweils einer unteren bzw. oberen Spannringkonsole (6) und (7), die in der Fig. 1 allgemein mit den Bezugszeichen (22) und (24) versehen sind, ohne daß die Gefahr besteht, daß die Segmente (4) beim Ausfüllen der Form wegkippen; denn die Segmente (4) werden außenseitig von den Segmentabschnitten (18) und (20) bzw. von den Mantelsegmenten (3) abgestützt.Fig. 1 illustrates that the middle shell segments (4) with respect to the shell segment (2) starting segment segments (18) and (20) and the interchangeable metal sheets (3) run inside. Nevertheless, a lower or upper clamping ring bracket (6) and (7), which are generally provided with the reference numerals (22) and (24) in FIG. 1, is only required in the central region of the shaped jacket segments (4), without there is a risk that the segments (4) will tip away when filling the mold; because the segments (4) are supported on the outside by the segment sections (18) and (20) or by the shell segments (3).

Bei dem Ausführungsbeispiel nach Fig. 1 sind die den Formmantel (16) bildenden Elemente auf einem Profilring (5) abgestützt, innerhalb dessen der Formkern (1) zentriert angeordnet ist. Hierzu weist der Profilkern (1) einen bodenseitig umlaufenden Flanschring (26) auf, dessen Außendurchmesser einer Stufe (18) des Profilringes (5) angepaßt ist.In the exemplary embodiment according to FIG. 1, the elements forming the mold jacket (16) are supported on a profile ring (5), within which the mold core (1) is arranged centered. For this purpose, the profile core (1) has a flange ring (26) running around the bottom, the outer diameter of which is a step (18) of the profile ring (5). is adjusted.

Die Vorrichtung (14) nach den Fig. 3 und 4 unterscheidet sich von der der Fig. 1 und 2 im wesentlichen dahingehend, als daß die auch als Muffenspiegel bezeichneten Formmantelabschnitte (2), die die Muffeneinsätze (10) aufweisen, eine U-Form aufweisen, wobei vertikal verlaufende Längsränder (30), (31), (32) und (33) der Seitenschenkel (34), (36), (42) und (44) Aufnahmen (35,), (37), (39) und (41) für in diese einbringbare Formmantelsegmente (38) und (40) aufweisen, die den Segmenten (3) entsprechen. Durch diese Maßnahmen ist ein universeller Einsatz der Elemente möglich, da der Abstand zwischen den U-förmig ausgebildeten, die Muffeneinsätze (10) aufweisenden Formmantelabschnitten (2) im noch größeren Umfang verstellt werden kann.The device (14) according to FIGS. 3 and 4 differs from that of FIGS. 1 and 2 essentially in that the shaped jacket sections (2), which are also referred to as socket mirrors and which have the socket inserts (10), have a U-shape having vertical longitudinal edges (30), (31), (32) and (33) of the side legs (34), (36), (42) and (44) receptacles (35,), (37), (39 ) and (41) for mold jacket segments (38) and (40) which can be introduced into them and which correspond to the segments (3). These measures allow the elements to be used universally, since the distance between the U-shaped shaped casing sections (2) having the socket inserts (10) can be adjusted to an even greater extent.

In die von den gegenüberliegenden Längsrändern (30) (31) (32) und (33) der Formmantelabschnitte (2) verlaufenden Aufnahmen (35), (37), (39) und (41) müssen nur entsprechende Formmantelsegmente (3), (4), (38) bzw. (40) eingesetzt werden, wobei grundsätzlich nur zwei Segmente erforderlich sind, um die Mantelfläche zwischen den Seitenschenkeln (34), (42) bzw. (36) und (44) der Formmantelabschnitte (2) zu ergänzen, wobei zumindest eine geringfügige Überlappung erforderlich ist.In the receptacles (35), (37), (39) and (41) extending from the opposite longitudinal edges (30) (31) (32) and (33) of the shaped jacket sections (2), only corresponding shaped jacket segments (3), ( 4), (38) or (40) are used, in principle only two segments are required to cover the lateral surface between the side legs (34), (42) or (36) and (44) of the shaped jacket sections (2) complete, at least a slight overlap is required.

Die Aufnahmen (35), (37), (38), (39) bzw. (40), (41) weisen im Schnitt eine U-Form auf, wobei der innere Abstand der Seitenschenkel der Materialstärke der Formmantelsegmente (3) bzw. (4) bzw. (38) bzw. (40) angepaßt ist.The receptacles (35), (37), (38), (39) and (40), (41) have a U-shape on average, the inner spacing of the side legs depending on the material thickness of the shaped jacket segments (3) or (4) or (38) or (40) is adapted.

Um beim Auseinanderbauen der Vorrichtung (14) die Formmantelabschnitte (2) leicht entfernen zu können, weisen diese bodenseitig Rollen (46) auf, die dann mit der nicht dargestellten Bodenfläche, auf der die Vorrichtung (14) abgestellt ist, abstützbar sind, wenn die Formmantelabschnitte (2) gekippt werden.In order to be able to easily remove the shaped jacket sections (2) when the device (14) is being dismantled, these have rollers (46) on the bottom side, which then do not engage with the Floor surface shown, on which the device (14) is parked, can be supported when the shaped jacket sections (2) are tilted.

Mit den erfindungsgemäßen Vorrichtungen (12) und (14) lassen sich Schächte üblicher Norm herstellen, also solche mit Außendurchmesser DA, Innendurchmesser Di und Höhe H wie folgt:

  • DA = 1300 und Di = 1000 und H = 950, 1050, 1150 bzw.
  • DA = 1500 und Di = 1200 und H = 1250, 1350 bzw.
  • DA = 1800 und Di = 1500 und H = 1500, 1600 bzw.
  • DA = 2400 und Di = 2000 und H = 2200 bzw.
  • DA = 2900 und Di = 2500 und H = 2500.
The devices (12) and (14) according to the invention can be used to produce manholes of the usual standard, that is to say those with an outer diameter D A , an inner diameter D i and a height H as follows:
  • D A = 1300 and D i = 1000 and H = 950, 1050, 1150 and
  • D A = 1500 and D i = 1200 and H = 1250, 1350 and
  • D A = 1800 and D i = 1500 and H = 1500, 1600 or
  • D A = 2400 and D i = 2000 and H = 2200 or
  • D A = 2900 and D i = 2500 and H = 2500.

Claims (5)

  1. Device (12, 14) for moulding drain system manholes each comprising at least two connecting sockets (10), having a moulding shell (16), which comprises at least two moulding shell portions (2) preferably twistable relative to one another and provided with socket inserts as well as at least one shell segment (3, 4, 38, 40), and a moulding core (1) disposed in said moulding shell, wherein the moulding shell portions (2) and the shell segments (3, 4, 38, 40) are fixed in position by means of at least one element (8, 9), which extends coaxially relative to the moulding shell (16) and is detachably connectable indirectly or directly to the latter,
    characterized in
    that the elements (8, 9) take the form of circumferential, closed clamping rings and are held at a distance from the moulding shell (16) by receivers (6, 7) which project from the moulding shell portion (20) and the shell segments (3, 4, 38, 40), a clamping ring (8) which extends in the bottom region of the device having a larger diameter than a clamping ring (9) which extends in the top region of the device.
  2. Device according to claim 1,
    characterized in
    that at least one free longitudinal edge (30, 31, 32, 33) of the moulding shell portion (2) has a receiver (35, 37, 39, 41) such as a longitudinal slot for an adjoining shell segment (3, 38, 40).
  3. Device according to at least one of the preceding claims,
    characterized in
    that the moulding shell portion (2) having the socket insert (10) is U-shaped in section, the side limbs (34, 36, 42, 44) of said moulding shell portion being designed for releasably receiving adjoining shell segments (3, 38, 40).
  4. Device according to at least one of the preceding claims,
    characterized in
    that the moulding shell portions (2) are provided at their bottom end with sliding elements such as rollers (46).
  5. Device according to at least one of the preceding claims,
    characterized in
    that the moulding shell (16) is fixable in position in a groove or recess corresponding to the shell geometry of the moulding shell and that the clamping rings (8, 9) are preferably liftable and lowerable mechanically, e.g. hydraulically.
EP91119752A 1990-12-05 1991-11-19 Apparatus for making manholes Expired - Lifetime EP0489302B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9016509U 1990-12-05
DE9016509U DE9016509U1 (en) 1990-12-05 1990-12-05 Device for forming sewer shafts

Publications (2)

Publication Number Publication Date
EP0489302A1 EP0489302A1 (en) 1992-06-10
EP0489302B1 true EP0489302B1 (en) 1997-07-09

Family

ID=6859998

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Application Number Title Priority Date Filing Date
EP91119752A Expired - Lifetime EP0489302B1 (en) 1990-12-05 1991-11-19 Apparatus for making manholes

Country Status (6)

Country Link
EP (1) EP0489302B1 (en)
AT (1) ATE155062T1 (en)
DE (2) DE9016509U1 (en)
DK (1) DK0489302T3 (en)
ES (1) ES2104646T3 (en)
GR (1) GR3024843T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29512165U1 (en) 1995-07-28 1995-12-21 Varvaroussis, Konstantin, 63128 Dietzenbach Device for forming sewer shafts
CN105034139A (en) * 2015-08-06 2015-11-11 山东科技大学 Analog simulation experiment system and method based on 3D printing rapid prototyping technology

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD245115A3 (en) * 1984-09-07 1987-04-29 Verkehrs & Tiefbau Kom FORMWORK FOR CONCRETE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990600A (en) * 1957-05-20 1961-07-04 Rudolph K Tyra Apparatus for making tile and culverts
DE2723579C3 (en) * 1977-05-25 1980-10-16 H. Niemeyer Soehne Gmbh & Co Kg, 4441 Riesenbeck Device for shaping sewer shafts
DE8422006U1 (en) * 1984-07-24 1984-08-30 Baumgärtner GmbH & Co Maschinenfabrik KG, 7902 Blaubeuren Device for shaping manhole parts, in particular manhole bases
DE3529947A1 (en) * 1985-08-22 1987-02-26 Baumgaertner Gmbh & Co Maschin Device for moulding sewage shafts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD245115A3 (en) * 1984-09-07 1987-04-29 Verkehrs & Tiefbau Kom FORMWORK FOR CONCRETE

Also Published As

Publication number Publication date
EP0489302A1 (en) 1992-06-10
DE9016509U1 (en) 1991-02-28
GR3024843T3 (en) 1998-01-30
ATE155062T1 (en) 1997-07-15
DK0489302T3 (en) 1998-02-16
ES2104646T3 (en) 1997-10-16
DE59108769D1 (en) 1997-08-14

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