EP2225428B1 - Anchoring element - Google Patents

Anchoring element Download PDF

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Publication number
EP2225428B1
EP2225428B1 EP08856089A EP08856089A EP2225428B1 EP 2225428 B1 EP2225428 B1 EP 2225428B1 EP 08856089 A EP08856089 A EP 08856089A EP 08856089 A EP08856089 A EP 08856089A EP 2225428 B1 EP2225428 B1 EP 2225428B1
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EP
European Patent Office
Prior art keywords
anchoring
anchoring element
element according
anchoring body
coupling section
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EP08856089A
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German (de)
French (fr)
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EP2225428A1 (en
Inventor
Johann Peneder
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Doka Industrie GmbH
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Doka Industrie GmbH
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Publication of EP2225428A1 publication Critical patent/EP2225428A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls

Definitions

  • the invention relates to an anchoring element for anchoring objects to components which are produced by casting a curable composition, in particular concrete, according to the preamble of claim 1.
  • anchoring points on manufactured parts of buildings such as ceilings or walls in order then to anchor scaffolding, formwork etc. for subsequent parts of the building.
  • anchor parts in the walls or ceilings, such as wave anchors, head bolts or the like.
  • the anchor parts mentioned are lost components that remain permanently in the building, resulting in considerable material and cost expenditure and the durability of the building, e.g. can interfere with corrosion.
  • screw anchors are known, which are also embedded in concrete in the respective wall or ceiling and then can be unscrewed thanks to their coarse thread of the hardened concrete (see, for example DE 33 47 665 A1 ).
  • screw anchors bring a lot of time and effort to solve from the concrete and for cleaning with it and have a complex construction or correspondingly high production costs.
  • the DE 202 14 186 U1 discloses a non-self-drilling potting dowel for masonry, concrete and precast concrete structures, in which a jacket-piercing dowel tube can be coupled by means of a threaded pin with a coupling element.
  • WO 2007/036300 A1 an anchoring element according to the preamble of claim 1.
  • This is characterized by a conical anchoring body, which is so concreted into the respective building ceiling, that its tapered end faces the respective object to be anchored.
  • this anchoring element has proven itself in practice, it has been shown that, in particular in buildings with variable component dimensions (eg different ceiling thicknesses), a large number of different anchoring bodies must be provided. In addition to a considerable cost, this leads to an expensive storage and involves significant sources of error.
  • the invention is based on the idea to provide an anchoring element that can be used without additional measures in components of different thickness (thickness) and then recovered again.
  • the invention provides that in a generic anchoring element of the anchoring body is designed such that it has adjustable dimensions in its longitudinal direction. In this way, whole construction projects can be done with a single type of Anchoring elements are handled so that any storage is eliminated.
  • the erroneous installation of a non-matching anchoring element is excluded, resulting in fewer sources of error. Not least, this can also save considerable costs, especially since the anchoring element according to the invention can be reused as often as desired.
  • the adjustment of the dimensions of the anchoring body in its longitudinal direction can be carried out in various ways in the context of the present invention.
  • the distance between the coupling portion and the support surface is adjustable with respect to a precise and secure arrangement of the anchoring element on the formwork and in the subsequent concrete in the anchoring element according to the invention.
  • the anchoring body has at least two sections whose mutual distance is adjustable.
  • at least two mutually adjustable sections of the anchoring body are connected by means of a thread. This results in a particularly precise, stable and finely adjustable connection of mutually adjustable sections.
  • the sealing element is designed as a sealing ring and / or sealing tube.
  • the anchoring body 10 in the region of the support surface 16 has a second coupling portion. In this way, a particularly simple and at the same time safe release of the anchoring body can be achieved from the hardened concrete.
  • the first and the second coupling portion may be configured in the context of the present invention in various ways. According to one embodiment of the invention, however, it is provided that the first and / or the second coupling portion has an internal thread. This results in addition to a simple coupling process fine adjustability of the components to be coupled together.
  • the outer surface of the anchoring body has a second conical section, which tapers away from the first end. In this way one obtains an anchoring body with opposite conical sections. These allow on the one hand, that the anchoring element can transmit forces in several directions. In addition, this results in a slight release of the anchoring element of the hardened concrete.
  • the anchoring element further has at least one cover element which is set up to cover the first and / or second coupling section.
  • the cover element has signal means, in particular at least one recess and / or at least one protruding element.
  • the cover advantageously has a threaded portion so that it can be safely and quickly introduced into the corresponding coupling section and anchored there.
  • FIG Fig. 1 An anchoring element as a first preferred embodiment of the present invention is shown in FIG Fig. 1 schematically shown in a side view and a bottom view.
  • the anchoring element is used for anchoring objects, such as scaffolds, formwork beams or the like, on reinforced concrete components, such as ceilings, walls, etc.
  • the anchoring element can also be used in other components or in other curable materials.
  • the anchoring element has an anchoring body 10, which is generally rod-shaped and formed in the present embodiment in several parts.
  • the multi-part design of the anchoring body 10 is in Fig. 2 shown in an exploded view closer. Thereafter, the anchoring body 10 has two sections 20 and 30 in the present embodiment Fig. 2 Section 20 shown below is provided with an internal thread 24, and the in Fig. 2 Section 30 shown above is provided with a threaded rod 32 with an external thread 34.
  • the thread 34 can be screwed into the internal thread 24, so that the two sections 20, 30 can be connected to each other and at the same time their mutual distance in the axial direction X is adjustable.
  • the upper portion 30 further has a coupling portion 12, which is also formed in the present embodiment as an internal thread and the concrete surface 4 faces.
  • the lower portion 20 has on its side facing away from the upper portion 30 a support surface 16 for supporting the anchoring element on the formwork surface 2, to which the lower portion 20 can be anchored via the through holes 16 '.
  • a second coupling portion 18 which is configured in the present embodiment as a continuation of the internal thread 24.
  • both the lower portion 20 and the upper portion 30 have a conical outer surface 14 'and 14 ", both of which taper towards the first end, on which the coupling portion 12 is provided.
  • a sealing tube 52 is arranged, which may be formed for example by a plastic cladding and cut according to the desired ceiling thickness taking into account the dimensions of the sections 20 and 30.
  • the use of the anchoring element according to the invention takes place, for example, as follows. First, taking into account the respective desired ceiling thickness and the dimensions of the sections 20 and 30, a suitable plastic cladding tube 52 is sawn and placed on the lower portion 20. Subsequently, the upper portion 30 is screwed with its thread 34 in the internal thread 24 of the lower portion 20 until the cladding tube 52 cleanly abuts both portions 20 and 30.
  • the anchoring element can be mounted as a whole by means of through holes 16 'on a scarf surface 2 (for example, nailed). Subsequently, the reinforced concrete ceiling 1 can be prepared in a conventional manner.
  • the anchoring element can be released from the ceiling 1.
  • a shock eg hammer blow
  • the anchoring element in Fig. 1 comes down from the concrete of the ceiling 1.
  • FIG. 3 and FIG. 4 shown schematically in a side view or an exploded view.
  • This second preferred embodiment corresponds in principle to the above-discussed first preferred embodiment, wherein identical or corresponding components in both embodiments are denoted by the same reference numerals and a re-description of these components is omitted.
  • FIG. 3 and FIG. 4 shown embodiment is characterized primarily by the fact that between the lower portion 20 and the upper portion 30 instead of the sealing tube 52, a sealing ring 50 is provided, for example, an O-ring.
  • a sealing ring 50 is provided, for example, an O-ring.
  • the dimensions of the anchoring element according to the invention can be adapted to the desired component dimensions without any additional work, while still ensuring a good seal of the anchoring element.
  • only the lower portion 20 is with a conical lateral surface 14 'provided, as has been shown that this allows a sufficiently easy release of the anchoring element from the concrete in most cases.
  • a third preferred embodiment of the anchoring element according to the invention is in Fig. 5 schematically illustrated, wherein components corresponding to those of the previously discussed first and second embodiments are again denoted by the same reference numerals.
  • the section 20 and the upper portion 30 are not connected to each other via a threaded engagement. Rather, the under section 20 and the upper portion 30 are inserted with their fitting ends 20 'and 30' in the open ends of a sealing tube 52.
  • only the upper portion 30 is conical, although in principle, the sealing tube 52 may have an at least partially conical shape.
  • a fourth preferred embodiment of the anchoring element according to the invention is in Fig. 6 shown schematically. Also in Fig. 6 For example, components corresponding to those of the previously discussed embodiments are designated by the same reference numerals.
  • the fourth embodiment shown is initially distinguished by the fact that both the section 20 and the upper section 30 have an internal thread 24 or 36 and the two sections 20, 30 are connected via a separate threaded rod 32.
  • This threaded rod may be, for example, a customary, ribbed prestressing steel rod, so that no special components must be provided.
  • the connecting rod 32 is also wrapped in the present embodiment by a sealing tube 52 which rests with its free ends on the lower portion 20 and the upper portion 30.
  • the upper portion 30 has a conical lateral surface 14 '"extending from the first end (upper end in FIG Fig. 6 ) Tapered away.
  • a particularly simple and rapid expansion of the anchoring element according to the invention from the hardened concrete is achieved by, for example, the lower portion 20 down and the upper portion 30 taken up and the threaded rod 32 can be pulled out in any direction, while the cladding tube 52 may optionally remain in the concrete.
  • the anchoring element according to the invention in addition to the anchoring body discussed above also have at least one cover member 60, of which an embodiment in Fig. 7 is shown schematically in two side views and a plan view.
  • the cover member 60 has in the present embodiment, a threaded portion 62, by means of which it can be screwed, for example, in the first or second coupling portion 12, 18 of the anchoring body.
  • the cover member 60 On the opposite side of the threaded portion 62, the cover member 60 further has a flag 64 serving as a signal means, which can be used simultaneously to turn the cover member 60 in the respective coupling portion 12, 18 or turn out therefrom.
  • the cover element 60 can thus fulfill two main tasks, namely to make visible on the one hand the installation location of the respective anchoring element and on the other hand to protect the anchoring element or the corresponding coupling sections 12, 18 from contamination.

Description

Technisches GebietTechnical area

Die Erfindung betrifft ein Verankerungselement zum Verankern von Gegenständen an Bauteilen, die durch Gießen einer aushärtbaren Masse wie insbesondere Beton hergestellt sind, nach dem Oberbegriff von Anspruch 1.The invention relates to an anchoring element for anchoring objects to components which are produced by casting a curable composition, in particular concrete, according to the preamble of claim 1.

Stand der TechnikState of the art

Im Bereich des Stahlbetonbaus ist es häufig erforderlich, Verankerungspunkte an hergestellten Gebäudeteilen wie Decken oder Wänden vorzusehen, um anschließend Gerüste, Schalungen etc. für nachfolgende Gebäudeteile zu verankern. Zu diesem Zweck ist es üblich, Ankerteile in die Wände oder Decken einzubetonieren, wie beispielsweise Wellenanker, Kopfbolzen oder dergleichen.In the field of reinforced concrete construction, it is often necessary to provide anchoring points on manufactured parts of buildings such as ceilings or walls in order then to anchor scaffolding, formwork etc. for subsequent parts of the building. For this purpose, it is common to embed anchor parts in the walls or ceilings, such as wave anchors, head bolts or the like.

Bei den genannten Ankerteilen handelt es sich jedoch um verlorene Bauteile, die dauerhaft im Gebäude verbleiben, was zu einem erheblichen Material- und Kostenaufwand führen und die Dauerhaftigkeit des Gebäudes z.B. durch Korrosion beeinträchtigen kann.However, the anchor parts mentioned are lost components that remain permanently in the building, resulting in considerable material and cost expenditure and the durability of the building, e.g. can interfere with corrosion.

Vor diesem Hintergrund sind Schraubanker bekannt, die ebenfalls in die jeweilige Wand bzw. Decke einbetoniert werden und anschließend dank ihres Grobgewindes aus dem erhärteten Beton herausgedreht werden können (vgl. beispielsweise DE 33 47 665 A1 ). Allerdings bringen derartige Schraubanker einen hohen Zeit- und Arbeitsaufwand zum Lösen aus dem Beton sowie zum Reinigen mit sich und besitzen eine aufwändige Konstruktion bzw. entsprechend hohe Herstellungskosten.Against this background, screw anchors are known, which are also embedded in concrete in the respective wall or ceiling and then can be unscrewed thanks to their coarse thread of the hardened concrete (see, for example DE 33 47 665 A1 ). However, such screw anchors bring a lot of time and effort to solve from the concrete and for cleaning with it and have a complex construction or correspondingly high production costs.

Die DE 202 14 186 U1 offenbart einen nicht selbstbohrenden Vergussdübel für Mauer-, Betonbau- und Betonfertigteilbauwerke, bei welchem ein manteldurchbohrendes Dübelrohr mittels einem Gewindezapfen mit einem Kopplungselement gekoppelt werden kann.The DE 202 14 186 U1 discloses a non-self-drilling potting dowel for masonry, concrete and precast concrete structures, in which a jacket-piercing dowel tube can be coupled by means of a threaded pin with a coupling element.

Darüber hinaus offenbart die WO 2007/036300 A1 ein Verankerungselement nach dem Oberbegriff von Anspruch 1. Dieses zeichnet sich durch einen konischen Verankerungskörper aus, der derart in die jeweilige Gebäudedecke einbetoniert wird, dass sein verjüngtes Ende dem jeweils zu verankernden Gegenstand zugewandt ist. Obgleich sich dieses Verankerungselement in der Praxis bewährt hat, hat sich gezeigt, dass insbesondere bei Bauwerken mit variablen Bauteilabmessungen (z.B. unterschiedlichen Deckendicken) eine Vielzahl unterschiedlicher Verankerungskörper vorgehalten werden muss. Dies führt neben einem erheblichen Kostenaufwand zu einer aufwändigen Lagerhaltung und birgt erhebliche Fehlerquellen.In addition, the reveals WO 2007/036300 A1 an anchoring element according to the preamble of claim 1. This is characterized by a conical anchoring body, which is so concreted into the respective building ceiling, that its tapered end faces the respective object to be anchored. Although this anchoring element has proven itself in practice, it has been shown that, in particular in buildings with variable component dimensions (eg different ceiling thicknesses), a large number of different anchoring bodies must be provided. In addition to a considerable cost, this leads to an expensive storage and involves significant sources of error.

Darstellung der ErfindungPresentation of the invention

Es ist daher Aufgabe der vorliegenden Erfindung, ein Verankerungselement der eingangs genannten Art bereitzustellen, das bei geringer Lagerhaltung ein einfaches und fehlerarmes Vorsehen von Verankerungsstellen zu geringen Kosten ermöglicht.It is therefore an object of the present invention to provide an anchoring element of the type mentioned, which allows for low storage a simple and low-error provision of anchoring points at low cost.

Diese Aufgabe wird erfindungsgemäß durch ein Verankerungselement mit den Merkmalen von Anspruch 1 gelöst. Besonders vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved by an anchoring element with the features of claim 1. Particularly advantageous embodiments of the invention are specified in the dependent claims.

Der Erfindung liegt der Gedanke zugrunde, ein Verankerungselement bereitzustellen, das ohne zusätzliche Maßnahmen in Bauteilen unterschiedlicher Stärke (Dicke) eingesetzt und danach wieder gewonnen werden kann. Zu diesem Zweck ist erfindungsgemäß vorgesehen, dass bei einem gattungsgemäßen Verankerungselement der Verankerungskörper derart ausgestaltet ist, dass er in seiner Längsrichtung verstellbare Abmessungen besitzt. Auf diese Weise können ganze Bauprojekte mit einer einzigen Art von Verankerungselementen abgewickelt werden, sodass jegliche Lagerhaltung entfällt. Darüber hinaus ist auch der irrtümliche Einbau eines nicht passenden Verankerungselements ausgeschlossen, sodass sich weniger Fehlerquellen ergeben. Nicht zuletzt lassen sich hierdurch auch erhebliche Kosten einsparen, zumal das erfindungsgemäße Verankerungselement beliebig oft wieder verwendbar ist.The invention is based on the idea to provide an anchoring element that can be used without additional measures in components of different thickness (thickness) and then recovered again. For this purpose, the invention provides that in a generic anchoring element of the anchoring body is designed such that it has adjustable dimensions in its longitudinal direction. In this way, whole construction projects can be done with a single type of Anchoring elements are handled so that any storage is eliminated. In addition, the erroneous installation of a non-matching anchoring element is excluded, resulting in fewer sources of error. Not least, this can also save considerable costs, especially since the anchoring element according to the invention can be reused as often as desired.

Die Verstellung der Abmessungen des Verankerungskörpers in seiner Längsrichtung kann im Rahmen der vorliegenden Erfindung auf unterschiedlichste Art und Weise erfolgen. Dabei ist im Hinblick auf eine präzise und sichere Anordnung des Verankerungselements auf der jeweiligen Schalung und im späteren Beton bei dem erfindungsgemäßen Verankerungselement der Abstand zwischen dem Kopplungsabschnitt und der Stützfläche verstellbar.The adjustment of the dimensions of the anchoring body in its longitudinal direction can be carried out in various ways in the context of the present invention. In this case, the distance between the coupling portion and the support surface is adjustable with respect to a precise and secure arrangement of the anchoring element on the formwork and in the subsequent concrete in the anchoring element according to the invention.

Im Hinblick auf eine einfache und zügige Verstellbarkeit der Abmessungen weist der Verankerungskörper mindestens zwei Abschnitte auf, deren gegenseitiger Abstand verstellbar ist. Dabei sind mindestens zwei zueinander verstellbare Abschnitte des Verankerungskörpers mittels eines Gewindes verbunden. Hierdurch ergibt sich eine besonders präzise, stabile und fein einstellbare Verbindung der zueinander verstellbaren Abschnitte.With regard to a simple and rapid adjustability of the dimensions of the anchoring body has at least two sections whose mutual distance is adjustable. In this case, at least two mutually adjustable sections of the anchoring body are connected by means of a thread. This results in a particularly precise, stable and finely adjustable connection of mutually adjustable sections.

Darüber hinaus ist zwischen mindestens zwei zueinander verstellbaren Abschnitten des Verankerungskörpers mindestens ein Dichtelement vorgesehen. Hierdurch wird sichergestellt, dass unabhängig von der eingestellten Abmessung des erfindungsgemäßen Verankerungselements beim Betonieren kein Beton in das Verankerungselement eindringt und das Verankerungselement später leicht aus dem erhärteten Beton gelöst werden kann. Dabei ist es besonders bevorzugt, dass das Dichtelement als Dichtring und/oder Dichtrohr ausgebildet ist.In addition, between at least two mutually adjustable portions of the anchoring body at least one sealing element is provided. This ensures that regardless of the set dimension of the anchoring element according to the invention during concreting no concrete penetrates into the anchoring element and the anchoring element later hardened easily from the Concrete can be solved. It is particularly preferred that the sealing element is designed as a sealing ring and / or sealing tube.

Gemäß einer Weiterbildung der Erfindung ist ferner vorgesehen, dass der Verankerungskörper 10 im Bereich der Stützfläche 16 einen zweiten Kopplungsabschnitt aufweist. Hierdurch kann ein besonders einfaches und gleichzeitig sicheres Lösen des Verankerungskörpers aus dem erhärteten Beton erzielt werden.According to one embodiment of the invention, it is further provided that the anchoring body 10 in the region of the support surface 16 has a second coupling portion. In this way, a particularly simple and at the same time safe release of the anchoring body can be achieved from the hardened concrete.

Der erste und der zweite Kopplungsabschnitt können im Rahmen der vorliegenden Erfindung auf unterschiedlichste Art und Weise ausgestaltet sein. Gemäß einer Weiterbildung der Erfindung ist jedoch vorgesehen, dass der erste und/oder der zweite Kopplungsabschnitt ein Innengewinde aufweist. Hierdurch ergibt sich neben einem einfachen Kopplungsvorgang eine feine Einstellbarkeit der miteinander zu koppelnden Bauteile.The first and the second coupling portion may be configured in the context of the present invention in various ways. According to one embodiment of the invention, however, it is provided that the first and / or the second coupling portion has an internal thread. This results in addition to a simple coupling process fine adjustability of the components to be coupled together.

Gemäß einer Weiterbildung der Erfindung ist ferner vorgesehen, dass die Außenfläche des Verankerungskörpers einen zweiten konischen Abschnitt besitzt, der sich von dem ersten Ende weg verjüngt. Auf diese Weise erhält man einen Verankerungskörper mit einander entgegengesetzten konischen Abschnitten. Diese ermöglichen einerseits, dass das Verankerungselement in mehreren Richtungen Kräfte übertragen kann. Darüber hinaus ergibt sich hierdurch ein leichtes Lösen des Verankerungselements aus dem erhärteten Beton.According to a development of the invention, it is further provided that the outer surface of the anchoring body has a second conical section, which tapers away from the first end. In this way one obtains an anchoring body with opposite conical sections. These allow on the one hand, that the anchoring element can transmit forces in several directions. In addition, this results in a slight release of the anchoring element of the hardened concrete.

Darüber hinaus ist gemäß einer Weiterbildung der Erfindung vorgesehen, dass das Verankerungselement ferner mindestens ein Abdeckelement aufweist, das eingerichtet ist, den ersten und/oder zweiten Kopplungsabschnitt abzudecken. Hierdurch können die Kopplungsabschnitte sicher vor dem Eindringen von Beton geschützt werden, sodass kein Reinigungsaufwand entsteht. Darüber hinaus kann das Abdeckelement vorteilhaft auch dazu beitragen, die genaue Stelle des jeweiligen, einbetonierten Verankerungselements zu lokalisieren. Vor diesem Hintergrund ist gemäß einer Weiterbildung der Erfindung vorgesehen, dass das Abdeckelement Signalmittel, insbesondere mindestens eine Vertiefung und/oder mindestens ein hervorstehendes Element aufweist. Darüber hinaus weist das Abdeckelement vorteilhaft einen Gewindeabschnitt auf, sodass es sicher und zügig in den entsprechenden Kopplungsabschnitt eingebracht und dort verankert werden kann.In addition, according to a development of the invention, it is provided that the anchoring element further has at least one cover element which is set up to cover the first and / or second coupling section. As a result, the coupling sections can be safely protected against the ingress of concrete, so no cleaning effort. In addition, the cover can be advantageous also help to pinpoint the exact location of the particular cemented anchoring element. Against this background, according to a development of the invention, it is provided that the cover element has signal means, in particular at least one recess and / or at least one protruding element. In addition, the cover advantageously has a threaded portion so that it can be safely and quickly introduced into the corresponding coupling section and anchored there.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Fig. 1Fig. 1
zeigt schematisch ein Verankerungselement gemäß einer ersten bevorzugten Ausführungsform der Erfindung;schematically shows an anchoring element according to a first preferred embodiment of the invention;
Fig. 2Fig. 2
zeigt schematisch eine teilweise Explosionsansicht des in Fig. 1 gezeigten Verankerungselements;schematically shows a partial exploded view of the in Fig. 1 shown anchoring element;
Fig. 3Fig. 3
zeigt schematisch ein Verankerungselement gemäß einer zweiten bevorzugten Ausführungsform der Erfindung;schematically shows an anchoring element according to a second preferred embodiment of the invention;
Fig. 4Fig. 4
zeigt schematisch eine teilweise Explosionsansicht des in Fig. 3 gezeigten Verankerungselements;schematically shows a partial exploded view of the in Fig. 3 shown anchoring element;
Fig. 5Fig. 5
zeigt schematisch ein Verankerungselement gemäß einer dritten bevorzugten Ausführungsform der Erfindung;schematically shows an anchoring element according to a third preferred embodiment of the invention;
Fig. 6Fig. 6
zeigt schematisch ein Verankerungselement gemäß einer vierten bevorzugten Ausführungsform der Erfindung;schematically shows an anchoring element according to a fourth preferred embodiment of the invention;
Fig. 7Fig. 7
zeigt schematisch ein Abdeckelement als Teil eines erfindungsgemäßen Verankerungselements.schematically shows a cover as part of an anchoring element according to the invention.
Ausführliche Beschreibung bevorzugter AusführungsformenDetailed description of preferred embodiments

Bevorzugte Ausführungsformen der vorliegenden Erfindung werden nachfolgend ausführlich unter Bezugnahme auf die begleitenden Zeichnungen beschrieben.Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

Ein Verankerungselement als erste bevorzugte Ausführungsform der vorliegenden Erfindung ist in Fig. 1 schematisch in einer Seitenansicht und einer Unteransicht dargestellt. Das Verankerungselement dient zum Verankern von Gegenständen, wie beispielsweise Gerüsten, Schalungsträgern oder dergleichen, an Stahlbetonbauteilen, wie beispielsweise Decken, Wänden, etc. Dabei ist in Fig. 1 eine Stahlbetondecke 1 durch gestrichelte Teilkonturen dargestellt, wobei sich das erfindungsgemäße Verankerungselement von einer Deckenunterseite bzw. Schalungsoberfläche 2 zu einer Deckenoberseite 4 erstreckt. Es ist jedoch zu beachten, dass das Verankerungselement auch in anderen Bauteilen bzw. in anderen aushärtbaren Massen zum Einsatz kommen kann.An anchoring element as a first preferred embodiment of the present invention is shown in FIG Fig. 1 schematically shown in a side view and a bottom view. The anchoring element is used for anchoring objects, such as scaffolds, formwork beams or the like, on reinforced concrete components, such as ceilings, walls, etc. It is in Fig. 1 a reinforced concrete ceiling 1 shown by dashed part contours, wherein the anchoring element according to the invention extends from a ceiling bottom or shuttering surface 2 to a ceiling top 4. However, it should be noted that the anchoring element can also be used in other components or in other curable materials.

Das Verankerungselement besitzt einen Verankerungskörper 10, der allgemein stabförmig und in der vorliegenden Ausführungsform mehrteilig ausgebildet ist. Die mehrteilige Ausgestaltung des Verankerungskörpers 10 ist in Fig. 2 in einer Explosionsansicht näher gezeigt. Danach besitzt der Verankerungskörper 10 in der vorliegenden Ausführungsform zwei Abschnitte 20 und 30. Der in Fig. 2 unten dargestellte Abschnitt 20 ist mit einem Innengewinde 24 versehen, und der in Fig. 2 oben dargestellte Abschnitt 30 ist mit einem Gewindestab 32 mit einem Außengewinde 34 versehen. Das Gewinde 34 lässt sich in das Innengewinde 24 eindrehen, sodass die beiden Abschnitte 20, 30 miteinander verbindbar und gleichzeitig ihr gegenseitiger Abstand in Achsrichtung X verstellbar ist.The anchoring element has an anchoring body 10, which is generally rod-shaped and formed in the present embodiment in several parts. The multi-part design of the anchoring body 10 is in Fig. 2 shown in an exploded view closer. Thereafter, the anchoring body 10 has two sections 20 and 30 in the present embodiment Fig. 2 Section 20 shown below is provided with an internal thread 24, and the in Fig. 2 Section 30 shown above is provided with a threaded rod 32 with an external thread 34. The thread 34 can be screwed into the internal thread 24, so that the two sections 20, 30 can be connected to each other and at the same time their mutual distance in the axial direction X is adjustable.

Der obere Abschnitt 30 besitzt ferner einen Kopplungsabschnitt 12, der in der vorliegenden Ausführungsform ebenfalls als Innengewinde ausgebildet und der Betonoberfläche 4 zugewandt ist. Ferner besitzt der untere Abschnitt 20 auf seiner vom oberen Abschnitt 30 abgewandten Seite eine Stützfläche 16 zum Abstützen des Verankerungselements auf der Schalungsfläche 2, an welchem der untere Abschnitt 20 über die Durchgangsbohrungen 16' verankert werden kann. In der Stützfläche 16 mündet ein zweiter Kopplungsabschnitt 18, der in der vorliegenden Ausführungsform als Fortsetzung des Innengewindes 24 ausgestaltet ist.The upper portion 30 further has a coupling portion 12, which is also formed in the present embodiment as an internal thread and the concrete surface 4 faces. Further, the lower portion 20 has on its side facing away from the upper portion 30 a support surface 16 for supporting the anchoring element on the formwork surface 2, to which the lower portion 20 can be anchored via the through holes 16 '. In the support surface 16 opens a second coupling portion 18, which is configured in the present embodiment as a continuation of the internal thread 24.

Wie in Fig. 1 und Fig. 2 zu erkennen ist, weisen sowohl der untere Abschnitt 20 als auch der obere Abschnitt 30 eine konische Außenfläche 14' bzw. 14" auf, die sich beide zu dem ersten Ende hin verjüngen, an welchem der Kopplungsabschnitt 12 vorgesehen ist.As in Fig. 1 and Fig. 2 As can be seen, both the lower portion 20 and the upper portion 30 have a conical outer surface 14 'and 14 ", both of which taper towards the first end, on which the coupling portion 12 is provided.

Ferner ist zwischen dem unteren und dem oberen Abschnitt 20 bzw. 30 in der vorliegenden Ausführungsform ein Dichtrohr 52 angeordnet, das beispielsweise durch ein Kunststoffhüllrohr gebildet und entsprechend der gewünschten Deckendicke unter Berücksichtigung der Abmessungen der Abschnitte 20 und 30 zugeschnitten sein kann.Further, between the lower and the upper portion 20 and 30 in the present embodiment, a sealing tube 52 is arranged, which may be formed for example by a plastic cladding and cut according to the desired ceiling thickness taking into account the dimensions of the sections 20 and 30.

Der Einsatz des erfindungsgemäßen Verankerungselements vollzieht sich beispielsweise wie folgt. Zunächst wird unter Berücksichtigung der jeweiligen gewünschten Deckendicke sowie der Abmessungen der Abschnitte 20 und 30 ein geeignetes Kunststoffhüllrohr 52 zugesägt und auf den unteren Abschnitt 20 aufgesetzt. Anschließend wird der obere Abschnitt 30 mit seinem Gewinde 34 in das Innengewinde 24 des unteren Abschnitts 20 eingedreht, bis das Hüllrohr 52 sauber an beiden Abschnitten 20 und 30 anliegt.The use of the anchoring element according to the invention takes place, for example, as follows. First, taking into account the respective desired ceiling thickness and the dimensions of the sections 20 and 30, a suitable plastic cladding tube 52 is sawn and placed on the lower portion 20. Subsequently, the upper portion 30 is screwed with its thread 34 in the internal thread 24 of the lower portion 20 until the cladding tube 52 cleanly abuts both portions 20 and 30.

Nun kann das Verankerungselement als ganzes mittels Durchgangsöffnungen 16' an einer Schalfläche 2 angebracht (beispielsweise angenagelt) werden. Anschließend kann die Stahlbetondecke 1 auf herkömmliche Weise hergestellt werden.Now, the anchoring element can be mounted as a whole by means of through holes 16 'on a scarf surface 2 (for example, nailed). Subsequently, the reinforced concrete ceiling 1 can be prepared in a conventional manner.

Nachdem der Beton eine gewünschte Festigkeit erreicht hat, kann das Verankerungselement aus der Decke 1 gelöst werden. Zu diesem Zweck kann beispielsweise im Bereich des Kopplungsabschnitts 12 ein Stoß (z.B. Hammerschlag) aufgebracht werden, sodass sich das Verankerungselement in Fig. 1 nach unten aus dem Beton der Decke 1 herauslöst. Alternativ ist es ebenso möglich, ein geeignetes Werkzeug in den unteren Kopplungsabschnitt 18 des Verankerungselements einzudrehen und das Verankerungselement mittels des Werkzeugs aus dem erhärteten Beton der Decke 1 einzeln oder in Teilen zu lösen.After the concrete has reached a desired strength, the anchoring element can be released from the ceiling 1. For this purpose, for example, in the region of the coupling portion 12 a shock (eg hammer blow) are applied, so that the anchoring element in Fig. 1 comes down from the concrete of the ceiling 1. Alternatively, it is also possible to turn a suitable tool in the lower coupling portion 18 of the anchoring element and solve the anchoring element by means of the tool made of the hardened concrete of the ceiling 1 individually or in parts.

Eine zweite bevorzugte Ausführungsform des erfindungsgemäßen Verankerungselements ist in Fig. 3 und Fig. 4 schematisch in einer Seitenansicht bzw. einer explosionsartigen Ansicht gezeigt. Diese zweite bevorzugte Ausführungsform entspricht prinzipiell der oben diskutierten ersten bevorzugten Ausführungsform, wobei gleiche oder entsprechende Bauteile in beiden Ausführungsformen mit denselben Bezugszeichen bezeichnet sind und eine erneute Beschreibung dieser Bauteile weggelassen wird.A second preferred embodiment of the anchoring element according to the invention is in FIG. 3 and FIG. 4 shown schematically in a side view or an exploded view. This second preferred embodiment corresponds in principle to the above-discussed first preferred embodiment, wherein identical or corresponding components in both embodiments are denoted by the same reference numerals and a re-description of these components is omitted.

Die in Fig. 3 und Fig. 4 gezeigte Ausführungsform zeichnet sich primär dadurch aus, dass zwischen dem unteren Abschnitt 20 und dem oberen Abschnitt 30 anstelle des Dichtrohrs 52 ein Dichtring 50 vorgesehen ist, beispielsweise ein O-Ring. Auf diese Weise können die Abmessungen des erfindungsgemäßen Verankerungselements ohne jegliche Zusatzarbeiten an die gewünschten Bauteilabmessungen angepasst werden, während weiterhin eine gute Abdichtung des Verankerungselements sichergestellt wird. Darüber hinaus ist in der vorliegenden Ausführungsform nur der untere Abschnitt 20 mit einer konischen Mantelfläche 14' versehen, da sich gezeigt hat, dass dies in den meisten Fällen ein ausreichend leichtes Lösen des Verankerungselements aus dem Beton ermöglicht.In the FIG. 3 and FIG. 4 shown embodiment is characterized primarily by the fact that between the lower portion 20 and the upper portion 30 instead of the sealing tube 52, a sealing ring 50 is provided, for example, an O-ring. In this way, the dimensions of the anchoring element according to the invention can be adapted to the desired component dimensions without any additional work, while still ensuring a good seal of the anchoring element. Moreover, in the present embodiment, only the lower portion 20 is with a conical lateral surface 14 'provided, as has been shown that this allows a sufficiently easy release of the anchoring element from the concrete in most cases.

Eine dritte bevorzugte Ausführungsform des erfindungsgemäßen Verankerungselements ist in Fig. 5 schematisch dargestellt, wobei Bauteile, die denjenigen der zuvor diskutierten ersten und zweiten Ausführungsform entsprechen, erneut mit denselben Bezugszeichen bezeichnet sind. Die in Fig. 5 gezeigte dritte Ausführungsform zeichnet sich dadurch aus, dass der unter Abschnitt 20 und der obere Abschnitt 30 nicht über einen Gewindeeingriff miteinander verbunden sind. Vielmehr sind der unter Abschnitt 20 und der obere Abschnitt 30 mit ihren Passenden 20' und 30' in die offenen Enden eines Dichtrohrs 52 eingesetzt. Hierdurch erhält man ein erfindungsgemäßes Verankerungselement mit einer besonders einfachen Konstruktion und einem sehr leichten Zusammenbau, wobei die Längeneinstellbarkeit des Verankerungselements - wie bei der ersten Ausführungsform - durch eine Anpassung des Dichtrohrs 52 erfolgen kann. Ferner ist in der vorliegenden dritten Ausführungsform nur der obere Abschnitt 30 konisch ausgebildet, obgleich prinzipiell auch das Dichtrohr 52 eine zumindest abschnittsweise konische Form besitzen kann.A third preferred embodiment of the anchoring element according to the invention is in Fig. 5 schematically illustrated, wherein components corresponding to those of the previously discussed first and second embodiments are again denoted by the same reference numerals. In the Fig. 5 shown third embodiment is characterized in that the section 20 and the upper portion 30 are not connected to each other via a threaded engagement. Rather, the under section 20 and the upper portion 30 are inserted with their fitting ends 20 'and 30' in the open ends of a sealing tube 52. This results in an inventive anchoring element with a particularly simple construction and a very easy assembly, the length adjustability of the anchoring element - as in the first embodiment - can be done by an adaptation of the sealing tube 52. Further, in the present third embodiment, only the upper portion 30 is conical, although in principle, the sealing tube 52 may have an at least partially conical shape.

Eine vierte bevorzugte Ausführungsform des erfindungsgemäßen Verankerungselements ist in Fig. 6 schematisch dargestellt. Auch in Fig. 6 sind Bauteile, die denjenigen der zuvor diskutierten Ausführungsformen entsprechen, mit denselben Bezugszeichen bezeichnet. Die in Fig. 6 gezeigte vierte Ausführungsform zeichnet sich zunächst dadurch aus, dass sowohl der unter Abschnitt 20 und der obere Abschnitt 30 ein Innengewinde 24 bzw. 36 besitzen und die beiden Abschnitte 20, 30 über einen separaten Gewindestab 32 verbunden sind. Bei diesem Gewindestab kann es sich beispielsweise um einen bauüblichen, gerippten Spannstahlstab handeln, sodass keine speziellen Bauteile bereitgestellt werden müssen.A fourth preferred embodiment of the anchoring element according to the invention is in Fig. 6 shown schematically. Also in Fig. 6 For example, components corresponding to those of the previously discussed embodiments are designated by the same reference numerals. In the Fig. 6 The fourth embodiment shown is initially distinguished by the fact that both the section 20 and the upper section 30 have an internal thread 24 or 36 and the two sections 20, 30 are connected via a separate threaded rod 32. This threaded rod may be, for example, a customary, ribbed prestressing steel rod, so that no special components must be provided.

Der Verbindungsstab 32 ist in der vorliegenden Ausführungsform ebenfalls durch ein Dichtrohr 52 umhüllt, das mit seinen freien Enden am unteren Abschnitt 20 bzw. am oberen Abschnitt 30 anliegt.The connecting rod 32 is also wrapped in the present embodiment by a sealing tube 52 which rests with its free ends on the lower portion 20 and the upper portion 30.

Eine weitere Besonderheit der in Fig. 6 gezeigten vierten Ausführungsform ist, dass der obere Abschnitt 30 eine konische Mantelfläche 14'" aufweist, die sich von dem ersten Ende (oberes Ende in Fig. 6) weg verjüngt. Auf diese Weise wird ein besonders einfacher und zügiger Ausbau des erfindungsgemäßen Verankerungselements aus dem erhärteten Beton erreicht, indem beispielsweise der untere Abschnitt 20 nach unten und der obere Abschnitt 30 nach oben entnommen und der Gewindestab 32 in einer beliebigen Richtung herausgezogen werden kann, während das Hüllrohr 52 gegebenenfalls im Beton verbleiben kann.Another peculiarity of in Fig. 6 4, the upper portion 30 has a conical lateral surface 14 '"extending from the first end (upper end in FIG Fig. 6 ) Tapered away. In this way, a particularly simple and rapid expansion of the anchoring element according to the invention from the hardened concrete is achieved by, for example, the lower portion 20 down and the upper portion 30 taken up and the threaded rod 32 can be pulled out in any direction, while the cladding tube 52 may optionally remain in the concrete.

Das erfindungsgemäße Verankerungselement kann neben dem oben diskutierten Verankerungskörper auch mindestens ein Abdeckelement 60 aufweisen, von dem eine Ausführungsform in Fig. 7 schematisch in zwei Seitenansichten und einer Draufsicht dargestellt ist. Das Abdeckelement 60 besitzt in der vorliegenden Ausführungsform einen Gewindeabschnitt 62, mittels dessen es beispielsweise in den ersten oder zweiten Kopplungsabschnitt 12, 18 des Verankerungskörpers eingedreht werden kann. Auf der gegenüberliegenden Seite des Gewindeabschnitts 62 besitzt das Abdeckelement 60 ferner eine als Signalmittel dienende Fahne 64, die gleichzeitig dazu genutzt werden kann, das Abdeckelement 60 in den jeweiligen Kopplungsabschnitt 12, 18 einzudrehen oder aus diesem herauszudrehen. Das Abdeckelement 60 kann somit zwei Hauptaufgaben erfüllen, nämlich einerseits den Einbauort des jeweiligen Verankerungselements sichtbar machen und andererseits das Verankerungselement bzw. die entsprechenden Kopplungsabschnitte 12, 18 vor Verschmutzungen zu schützen.The anchoring element according to the invention, in addition to the anchoring body discussed above also have at least one cover member 60, of which an embodiment in Fig. 7 is shown schematically in two side views and a plan view. The cover member 60 has in the present embodiment, a threaded portion 62, by means of which it can be screwed, for example, in the first or second coupling portion 12, 18 of the anchoring body. On the opposite side of the threaded portion 62, the cover member 60 further has a flag 64 serving as a signal means, which can be used simultaneously to turn the cover member 60 in the respective coupling portion 12, 18 or turn out therefrom. The cover element 60 can thus fulfill two main tasks, namely to make visible on the one hand the installation location of the respective anchoring element and on the other hand to protect the anchoring element or the corresponding coupling sections 12, 18 from contamination.

Claims (8)

  1. Anchoring element for anchoring objects to components which are produced by casting a curable composition, such as in particular concrete, having an anchoring body (10) which has:
    a coupling section (12) which is accessible at least from a first end of the anchoring body,
    a generated surface (14) which has at least one first conical section (14', 14") which tapers towards the first end, and
    a supporting surface (16) for support on a casting mould which is preferably arranged on a second end of the anchoring body (10) which is opposite the first end,
    wherein the anchoring body (10) is designed such that it has adjustable dimensions in its longitudinal direction (X), and
    wherein the anchoring body (10) has at least two sections (20, 30), the mutual distance of which can be adjusted,
    characterised in that
    between at least two sections (20, 30) of the anchoring body which can be adjusted with respect to one another is provided at least one sealing element, in particular a sealing ring (50) and/or a sealing tube (52).
  2. Anchoring element according to claim 1, characterised in that the distance between the coupling section (12) and the supporting surface (16) can be adjusted.
  3. Anchoring element according to claim 1 or 2, characterised in that at least two sections (20, 30) of the anchoring body (10) which can be adjusted with respect to one another are connected by means of a thread (24, 34).
  4. Anchoring element according to one of the preceding claims, characterised in that the anchoring body (10) has in the region of the supporting surface (16) a second coupling section (18).
  5. Anchoring element according to one of the preceding claims, characterised in that the first (12) and/or second (18) coupling section has an internal thread.
  6. Anchoring element according to one of the preceding claims, characterised in that the generated surface (14) of the anchoring body has a second conical section (14'") which tapers away from the first end and is preferably provided in the region of the first coupling section (12).
  7. Anchoring element according to one of the preceding claims, characterised in that it also has at least one cover element (60) which is equipped to cover the first (12) and/or second (18) coupling section and to protect against penetration of the curable composition.
  8. Anchoring element according to claim 7, characterised in that the cover element (60) has a threaded section (62) and signalling means (64), in particular at least one depression and/or projecting element.
EP08856089A 2007-12-07 2008-12-03 Anchoring element Active EP2225428B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710059125 DE102007059125B4 (en) 2007-12-07 2007-12-07 anchoring element
PCT/EP2008/066701 WO2009071579A1 (en) 2007-12-07 2008-12-03 Anchoring element

Publications (2)

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EP2225428A1 EP2225428A1 (en) 2010-09-08
EP2225428B1 true EP2225428B1 (en) 2013-02-13

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EP08856089A Active EP2225428B1 (en) 2007-12-07 2008-12-03 Anchoring element

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011006702A1 (en) * 2011-04-04 2012-10-04 Peri Gmbh Mounting plug for mounting an anchor sleeve on a formwork
CH712025A2 (en) * 2016-01-11 2017-07-14 Albanese Pino Threaded sleeve for anchoring components in a concrete structure, a positioning and anchor plate and a spacer tube.
US20210148339A1 (en) 2017-05-26 2021-05-20 Envision Energy (Jiangsu) Co., Ltd. A Cone Shaped Pin for Tower Wall Attachment
DE202017103863U1 (en) * 2017-06-28 2018-10-01 Doka Gmbh stop anchors
DE202017103864U1 (en) * 2017-06-28 2018-10-01 Doka Gmbh Locking arm with anti-rotation lock

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Publication number Priority date Publication date Assignee Title
FR2099022A5 (en) * 1970-10-15 1972-03-10 Moreau Pierre Fixing accessories to wall panels - esp prefabricated panels ,using a plastic sheath
DE2744665A1 (en) * 1977-10-04 1979-04-12 Walter Hoff Universal concrete construction threaded attachment assembly - has conical plastics socket and fixing element with threaded lengthways hole
DE3338762A1 (en) * 1983-10-26 1985-05-09 Winfried Dipl.-Ing. 6365 Rosbach Schnabel Anchoring of steel construction parts by screw connections in concrete
DE3347665A1 (en) 1983-12-31 1985-07-11 Friedr. Ischebeck GmbH, 5828 Ennepetal Screw anchor
DE19917345C2 (en) * 1999-04-16 2002-09-26 Doka Ind Gmbh Amstetten Corrosion-protected hanging point
US6789776B1 (en) * 2000-05-22 2004-09-14 Norman W. Gavin Cast-in anchor attachment apparatus
DE20214186U1 (en) * 2002-09-11 2004-02-12 Betomax Kunststoff- Und Metallwarenfabrik Gmbh & Co Kg Building construction anchorage point has steel tube with helical outer profile with inner and outer surfaces linked by apertures for injected bonding agen
DE102005045527A1 (en) 2005-09-23 2007-04-19 Doka Industrie Gmbh Protection and access device

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DE102007059125A1 (en) 2009-06-18
WO2009071579A1 (en) 2009-06-11
DE102007059125B4 (en) 2009-10-22
EP2225428A1 (en) 2010-09-08

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