EP2096223B1 - Device for positioning and anchoring a tensioning rod with a precise position and angle - Google Patents

Device for positioning and anchoring a tensioning rod with a precise position and angle Download PDF

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Publication number
EP2096223B1
EP2096223B1 EP09405036.6A EP09405036A EP2096223B1 EP 2096223 B1 EP2096223 B1 EP 2096223B1 EP 09405036 A EP09405036 A EP 09405036A EP 2096223 B1 EP2096223 B1 EP 2096223B1
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EP
European Patent Office
Prior art keywords
guide pipe
support plate
guide tube
pipe
anchoring
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EP09405036.6A
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German (de)
French (fr)
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EP2096223A3 (en
EP2096223A2 (en
Inventor
Pino Albanese
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Individual
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Priority to EP15183254.0A priority Critical patent/EP2977520B1/en
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Publication of EP2096223A3 publication Critical patent/EP2096223A3/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
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E04C5/12—Anchoring devices

Definitions

  • the invention relates to a device for position and angle accurate positioning and anchoring a tension rod according to the preamble of claim 1.
  • Such a device is in the DE-C2 4234892 described and includes a support plate for laying and aligning the device on a Deckenarm réelle and for holding a guide tube at a predetermined angle to the horizontal.
  • This known device always comprises several items, namely at least the support plate and a guide for a threaded rod and an anchor means, which may be positioned at the end of the guide tube or the threaded rod to anchor the threaded rod in the axial direction in the concrete can.
  • These parts must be assembled at the factory, at the middlesh or at the latest on the construction site and connected to each other. This causes additional costs to the already existing material and manufacturing costs of the items.
  • the Platen after adjustment on the reinforcement with iron ties or the like are connected to the reinforcement.
  • Another device is already out of the CH 692 425 known. Also, this device is constructed in several parts and must be assembled at the site or previously at the dealer before it can be installed on the site by the ironmonger. A secure compliance with the inclination angle for the guide part is not guaranteed.
  • An object of the present invention is to provide a device for positionally accurate positioning and anchoring a tie rod, which has all the advantages of the previous known devices, however, is much cheaper to produce and in its manufacture no assembly of the items is more necessary.
  • the device comprises the support plate, on which the guide tube for the threaded rod is formed.
  • the lower end of the guide tube may be formed as an anchor and carry an internal thread, in which the tension rod or its external thread can mesh.
  • the upper end of the guide tube which projects beyond the support plate, closed by a cross-section of the guide tube spanning membrane. The membrane is so thin-walled that it can be broken by the insertion of the tension rod. It is advantageously part of the guide tube.
  • a threaded nut may be directly injected or inserted at the lower end of the guide tube. This takes over both the positive guidance of the tension rod and serves as an anchor within the concrete floor slab.
  • the preparation of the entire device, but in particular the support plate made of plastic allows to avoid rust damage by low coverage.
  • the device With on the underside of the support plate or laterally arranged snap closures, the device can be attached tool-free and without iron ties to the horizontal reinforcing bars. Positioning and fastening with Snap locks take much less time than in the known devices. By different sized snaps, the device can be attached to the latter regardless of the existing strength of the reinforcing iron. Through inserts with different size threaded nuts tension rods can be used with different diameters in one and the same device.
  • FIG. 1 Device for perspective positioning and anchoring of a tensioning rod 1, briefly called anchoring part 3, comprises a substantially flat support plate 5 and a guide tube 7 penetrating the support plate 5 at an acute angle with an upper end 9 and a lower end 11.
  • a Platen 5 could be replaced by a plastic grid or other, a plate forming body, which is penetrated by the guide tube 7 in their place.
  • the tube cross-section of the upper end 9 of the guide tube 7 can through a film-like cover 13 or through a plug (see Fig. 6a, 6b ) completely closed.
  • the film-like cover 13 the thickness of which is a few tenths of a millimeter, is produced when spraying the anchoring part 3 directly in the injection mold; the peg-shaped cover 13a and 13b can also - be connected via film hinge with the guide tube 7 - simultaneously injected with the anchoring part 3.
  • the surface of the lid 13 may lie in the plane of the end face of the upper end of the guide tube 7 or axially offset to a few millimeters within the Guide tube 7. The latter makes it possible to provide the tension rod 1 before insertion into the guide tube 7 a guide.
  • the film-like cover 13 may be formed in obliquely cut end of the guide tube 7 in the same way.
  • the lower end of the guide tube 7 is formed stepwise in the first embodiment of the invention, ie, the outer diameter of the guide tube 7 increases in diameter in a stepwise manner.
  • the steps may be at right angles or inclined to the axis A of the guide tube 7, ie have an oval cross-section.
  • thread turns or turn sections 17 are mounted at least in the lower part. In the latter comb the threaded portions 19, which are formed on the surface of the tension rod 1.
  • a tension rod 1 usually a so-called Divadag rod is used (not shown).
  • brackets 21 or correspondingly formed reinforcing ribs may be formed, which serve to anchor the anchoring part 3 horizontally located reinforcing bars 23 of a Bodenarmtechnik (see FIG. 2 ).
  • the brackets 21 may consist of two half-shell-shaped parts which are attached or integrally formed on the underside of the support plate 5.
  • an anchor 27 made of metal, as shown in the DE-C2 19645759 is described and claimed.
  • the armature 27 comprises a metal tube 29, in which threaded portions 17 are embossed.
  • the lower end of the metal tube 29 is squeezed so that its cross section is closed at a distance from the end.
  • Two anchor rods 33 and 35 are, intersecting, fixed in the metal tube 29.
  • FIG. 6 In a further advantageous embodiment of the invention according to FIG. 6 are formed between the guide tube 7 and the support plate 5 on one or both sides ribs 33 or honeycombs for strength increase, which can extend to the narrow side edges of the support plate 5 out.
  • This embodiment makes it possible to produce the support plate 5 is very thin and yet to obtain a high rigidity of the support plate 5 and the connection with the guide tube 7.
  • a nut 25 is shown, which has a T-shape in cross-section and the threaded bore 25a may have different diameters, depending on the diameter of the tie rod to be anchored 1. This means that with one and the same device clamping rods 1 can be used with different diameters , Only the nut 25 must have a matching threaded hole 25a.
  • the coupling sleeve 37 has at one end an outer diameter corresponding to the inner diameter of the guide tube 7.
  • the other end of the connecting sleeve has an inner diameter which corresponds to the outer diameter of an extension 39 on the nut 25.
  • the sleeve 37 may also have at its upper end a portion 45 with an inner diameter corresponding to the outer diameter of the guide tube 7.
  • the alignment and fastening of the anchoring part 3 on a reinforcement for a concrete ceiling is extremely simple.
  • the anchoring part 3 is placed with the brackets 21, on a horizontal reinforcing iron 23 and clipped to this.
  • Clamps 21, 21a having different dimensions are preferably formed on the support plate 5, so that either the clamps 21 or the clamps 21a engage, depending on the thickness of the reinforcement iron 23.
  • the support plate 5 can be fixed with binding wires to the reinforcing bars 23.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Piles And Underground Anchors (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Description

Gegenstand der Erfindung ist eine Vorrichtung zum lage- und winkelgenauen Positionieren und Verankern eines Spannstabes gemäss Oberbegriff des Patentanspruchs 1.The invention relates to a device for position and angle accurate positioning and anchoring a tension rod according to the preamble of claim 1.

Für die Verankerung von Stützböcken in einhäuptigen Betonschalungen sind bereits verschiedene Vorrichtungen bekannt. Eine solche Vorrichtung ist in der DE-C2 4234892 beschrieben und umfasst eine Auflageplatte zum Auflegen und Ausrichten der Vorrichtung auf einer Deckenarmierung und zum Halten eines Führungsrohrs in einem vorgegebenen Winkel zur Horizontalen. Diese bekannte Vorrichtung umfasst immer mehrere Einzelteile, nämlich mindestens die Auflageplatte und eine Führung für einen Gewindestab sowie ein Ankermittel, das am Ende des Führungsrohrs oder des Gewindestabes positioniert sein kann, um den Gewindestab in axialer Richtung im Beton verankern zu können. Diese Teile müssen werkseitig, beim Zwischenhandel oder spätestens auf der Baustelle zusammengesetzt und miteinander verbunden werden. Dies verursacht zusätzliche Kosten zu den bereits vorhandenen Material- und Herstellungskosten der Einzelteile. Im weiteren muss die Auflageplatte nach dem Justieren auf der Armierung mit Eisenbindern oder dergleichen mit der Armierung verbunden werden.For the anchoring of trestles in one-sided concrete formwork various devices are already known. Such a device is in the DE-C2 4234892 described and includes a support plate for laying and aligning the device on a Deckenarmierung and for holding a guide tube at a predetermined angle to the horizontal. This known device always comprises several items, namely at least the support plate and a guide for a threaded rod and an anchor means, which may be positioned at the end of the guide tube or the threaded rod to anchor the threaded rod in the axial direction in the concrete can. These parts must be assembled at the factory, at the middlesh or at the latest on the construction site and connected to each other. This causes additional costs to the already existing material and manufacturing costs of the items. In addition, the Platen after adjustment on the reinforcement with iron ties or the like are connected to the reinforcement.

Eine weitere Vorrichtung ist bereits aus der CH 692 425 bekannt. Auch diese Vorrichtung ist mehrteilig aufgebaut und muss auf der Baustelle oder zuvor beim Händler zusammengefügt werden, bevor sie auf der Baustelle durch die Eisenleger verbaut werden kann. Eine sichere Einhaltung des Neigungswinkels für den Führungsteil ist dadurch nicht gewährleistet.Another device is already out of the CH 692 425 known. Also, this device is constructed in several parts and must be assembled at the site or previously at the dealer before it can be installed on the site by the ironmonger. A secure compliance with the inclination angle for the guide part is not guaranteed.

Eine Aufgabe der vorliegenden Erfindung ist die Schaffung einer Vorrichtung zum lagegenauen Positionieren und Verankern eines Spannstabes, der alle Vorteile der bisherigen bekannten Vorrichtungen aufweist, jedoch wesentlich kostengünstiger herstellbar ist und bei dessen Herstellung keine Konfektionierung der Einzelteile mehr notwendig ist.
Im weiteren soll die Möglichkeit geschaffen werden, dass in der Vorrichtung Spannstäbe mit unterschiedlich grossen Durchmessern verankert werden können.An object of the present invention is to provide a device for positionally accurate positioning and anchoring a tie rod, which has all the advantages of the previous known devices, however, is much cheaper to produce and in its manufacture no assembly of the items is more necessary.
In addition, the possibility should be created that in the device clamping rods can be anchored with different diameters.

Gelöst wird die Aufgabe durch eine Vorrichtung gemäss den Merkmalen des Patentanspruchs 1. Vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen umschrieben.The object is achieved by a device according to the features of claim 1. Advantageous embodiments of the invention are described in the dependent claims.

Die einstückige Ausführung des Führungsrohrs und der Auflageplatte der Vorrichtung ermöglicht eine kostengünstige Herstellung aus Kunststoff und es erübrigen sich umfangreiche Konfektionierungs- und Komplettierungsarbeiten vor der Auslieferung an den Verbraucher. In der einfachsten Ausgestaltung der Erfindung umfasst die Vorrichtung die Auflageplatte, an der das Führungsrohr für den Gewindestab angeformt ist. Das untere Ende des Führungsrohrs kann als Anker ausgebildet sein und ein Innengewinde tragen, in welchem der Spannstab bzw. dessen Aussengewinde kämmen kann. In einer besonders vorteilhaften Ausgestaltung der Erfindung ist das obere Ende des Führungsrohrs, welches über die Auflageplatte hinausragt, durch eine den Querschnitt des Führungsrohrs überspannende Membran verschlossen. Die Membran ist derart dünnwandig ausgebildet, dass sie durch das Einführen des Spannstabs durchbrochen werden kann. Sie ist vorteilhafterweise Teil des Führungsrohrs. Für speziell hohe Zugkräfte kann am unteren Ende des Führungsrohrs eine Gewindemutter direkt eingespritzt oder eingelegt sein. Diese übernimmt sowohl die formschlüssige Führung des Spannstabes und dient als Anker innerhalb der betonierten Bodenplatte. Die Herstellung der gesamten Vorrichtung, insbesondere jedoch der Auflageplatte aus Kunststoff erlaubt es, Rostschäden durch geringe Überdeckung zu vermeiden. Mit an der Unterseite der Auflageplatte oder seitlich angeordneten Schnappverschlüssen kann die Vorrichtung werkzeugfrei und ohne Eisenbinder an den horizontalen Armierungseisen befestigt werden. Das Positionieren und Befestigen mit Schnappverschlüssen benötigt wesentlich weniger Zeit als bei den bekannten Vorrichtungen. Durch verschieden grosse Schnappverschlüsse kann die Vorrichtung unabhängig von der vorliegenden Stärke der Armierungseisen an letzteren befestigt werden. Durch Einsätze mit unterschiedlich grossen Gewindemuttern können in ein und derselben Vorrichtung Spannstäbe mit unterschiedlichen Durchmessern eingesetzt werden.The one-piece design of the guide tube and the support plate of the device allows a cost-effective production of plastic and it is unnecessary Extensive assembly and completion work before delivery to the consumer. In the simplest embodiment of the invention, the device comprises the support plate, on which the guide tube for the threaded rod is formed. The lower end of the guide tube may be formed as an anchor and carry an internal thread, in which the tension rod or its external thread can mesh. In a particularly advantageous embodiment of the invention, the upper end of the guide tube, which projects beyond the support plate, closed by a cross-section of the guide tube spanning membrane. The membrane is so thin-walled that it can be broken by the insertion of the tension rod. It is advantageously part of the guide tube. For especially high tensile forces, a threaded nut may be directly injected or inserted at the lower end of the guide tube. This takes over both the positive guidance of the tension rod and serves as an anchor within the concrete floor slab. The preparation of the entire device, but in particular the support plate made of plastic allows to avoid rust damage by low coverage. With on the underside of the support plate or laterally arranged snap closures, the device can be attached tool-free and without iron ties to the horizontal reinforcing bars. Positioning and fastening with Snap locks take much less time than in the known devices. By different sized snaps, the device can be attached to the latter regardless of the existing strength of the reinforcing iron. Through inserts with different size threaded nuts tension rods can be used with different diameters in one and the same device.

Anhand eines illustrierten Ausführungsbeispiels wird die Erfindung näher erläutert. Es zeigen

Figur 1
eine perspektivische Darstellung der Vorrichtung,
Figur 2
eine Ansicht der Vorrichtung in Figur 1 in Richtung des Pfeiles P,
Figur 3
einen axialen Vertikalschnitt durch die Figur 1 längs Linie III-III,
Figur 4
einen Axialschnitt durch eine weitere Ausgestaltung des unteren Ende des Führungsrohres mit einer eingesetzten Mutter,
Figur 5
eine Seitenansicht des unteren Endes des Führungsrohrs mit einem eingesetzten separaten Ankerteil,
Figur 6
Seitenansicht einer weiteren Ausführungsform der Vorrichtung mit Einsteckdeckeln, teilweise aufgeschnitten,
Figur 6a
einen Einsteckdeckel mit Auszugsbügel,
Figur 6b
einen Einsteckdeckel für ein abgeschnittenes Führungsrohr,
Figur 7
einen axialen Schnitt durch eine Mutter und eine Verbindungsmuffe.
Reference to an illustrated embodiment, the invention is explained in detail. Show it
FIG. 1
a perspective view of the device,
FIG. 2
a view of the device in FIG. 1 in the direction of the arrow P,
FIG. 3
an axial vertical section through the FIG. 1 along line III-III,
FIG. 4
an axial section through a further embodiment of the lower end of the guide tube with an inserted nut,
FIG. 5
a side view of the lower end of the guide tube with an inserted separate anchor part,
FIG. 6
Side view of a further embodiment of the device with insertion lids, partially cut open,
FIG. 6a
a plug-in cover with pull-out handle,
FIG. 6b
a plug-in cover for a cut-off guide tube,
FIG. 7
an axial section through a nut and a connecting sleeve.

Die in Figur 1 perspektivisch dargestellte Vorrichtung zum lagegenauen Positionieren und Verankern eines Spannstabes 1, kurz Verankerungsteil 3 genannt, umfasst eine im wesentlichen flache Auflageplatte 5 und ein die Auflageplatte 5 in einem spitzen Winkel durchdringendes Führungsrohr 7 mit einem oberen Ende 9 und einem unteren Ende 11. Alternativ zu einer Auflageplatte 5 könnte an deren Stelle ein Kunststoffgitter oder ein anderer, eine Platte bildender Körper treten, welcher vom Führungsrohr 7 durchdrungen wird. Der Rohrquerschnitt des oberen Endes 9 des Führungsrohres 7 kann durch einen filmartigen Deckel 13 oder durch einen Stopfen (siehe Fig. 6a,6b) vollständig verschlossen sein. Der filmartige Deckel 13, dessen Dicke wenige Zehntelsmillimeter beträgt, wird beim Spritzen des Verankerungsteils 3 direkt in der Spritzgussform erzeugt; die zapfenförmigen Deckel 13a und 13b können ebenfalls - über Filmscharnier mit dem Führungsrohr 7 verbunden - gleichzeitig mit dem Verankerungsteil 3 gespritzt werden. Die Oberfläche des Deckels 13 kann in der Ebene der Stirnseite des oberen Endes des Führungsrohrs 7 liegen oder axial versetzt dazu einige Millimeter innerhalb des Führungsrohrs 7. Letzteres erlaubt es, dem Spannstab 1 vor dem Einführen in das Führungsrohr 7 eine Führung zu bieten. Der filmartige Deckel 13 kann bei schräg angeschnittenem Ende des Führungsrohes 7 in gleicher Weise ausgebildet sein. Das untere Ende des Führungsrohrs 7 ist in der ersten Ausgestaltung der Erfindung stufenartig ausgebildet, d.h. der äussere Durchmesser des Führungsrohrs 7 nimmt stufenartig im Durchmesser zu. Die Stufen können rechtwinklig oder geneigt zur Achse A des Führungsrohrs 7 liegen, d.h. einen ovalen Querschnitt aufweisen. Im Innern des Führungsrohrs 7 sind mindestens im unteren Teil Gewindewindungen oder Windungsabschnitte 17 angebracht. In letzteren kämmen die Gewindeabschnitte 19, welche auf der Oberfläche des Spannstabes 1 ausgebildet sind. Als Spannstab 1 wird üblicherweise ein sogenannter Divadag-Stab verwendet (keine Abbildung). Auf der Unterseite oder im Bereich der Längskante der Auflageplatte 5 können spreizbare Klammern 21 oder entsprechend ausgebildete Verstärkungsrippen angeformt sein, welche dazu dienen, das Verankerungsteil 3 an horizontal liegenden Armierungseisen 23 einer Bodenarmierung zu befestigen (vergleiche Figur 2). Die Klammern 21 können aus zwei halbschalenförmigen Teilen bestehen, welche an der Unterseite der Auflageplatte 5 befestigt oder angeformt sind.In the FIG. 1 Device for perspective positioning and anchoring of a tensioning rod 1, briefly called anchoring part 3, comprises a substantially flat support plate 5 and a guide tube 7 penetrating the support plate 5 at an acute angle with an upper end 9 and a lower end 11. Alternatively to a Platen 5 could be replaced by a plastic grid or other, a plate forming body, which is penetrated by the guide tube 7 in their place. The tube cross-section of the upper end 9 of the guide tube 7 can through a film-like cover 13 or through a plug (see Fig. 6a, 6b ) completely closed. The film-like cover 13, the thickness of which is a few tenths of a millimeter, is produced when spraying the anchoring part 3 directly in the injection mold; the peg-shaped cover 13a and 13b can also - be connected via film hinge with the guide tube 7 - simultaneously injected with the anchoring part 3. The surface of the lid 13 may lie in the plane of the end face of the upper end of the guide tube 7 or axially offset to a few millimeters within the Guide tube 7. The latter makes it possible to provide the tension rod 1 before insertion into the guide tube 7 a guide. The film-like cover 13 may be formed in obliquely cut end of the guide tube 7 in the same way. The lower end of the guide tube 7 is formed stepwise in the first embodiment of the invention, ie, the outer diameter of the guide tube 7 increases in diameter in a stepwise manner. The steps may be at right angles or inclined to the axis A of the guide tube 7, ie have an oval cross-section. In the interior of the guide tube 7 thread turns or turn sections 17 are mounted at least in the lower part. In the latter comb the threaded portions 19, which are formed on the surface of the tension rod 1. As a tension rod 1 usually a so-called Divadag rod is used (not shown). On the underside or in the region of the longitudinal edge of the support plate 5 spreadable brackets 21 or correspondingly formed reinforcing ribs may be formed, which serve to anchor the anchoring part 3 horizontally located reinforcing bars 23 of a Bodenarmierung (see FIG. 2 ). The brackets 21 may consist of two half-shell-shaped parts which are attached or integrally formed on the underside of the support plate 5.

In der Ausgestaltung des Führungsrohrs 7 gemäss Figur 4 ist in das untere Ende des Führungsrohrs 7 eine Mutter 25 eingesetzt, welche drehfest vom Führungsrohr 7 gehalten wird. Im Führungsrohr 7 selbst sind in dieser Ausführungsform keine Gewindeabschnitte 17 notwendig. Es können Muttern mit unterschiedlichen Gewindedurchmessern eingesetzt werden, um Spannstäbe 1 unterschiedlicher Dicke verankern zu können.In the embodiment of the guide tube 7 according FIG. 4 is in the lower end of the guide tube 7, a nut 25 is inserted, which is rotatably held by the guide tube 7. In the guide tube 7 itself no threaded portions 17 are necessary in this embodiment. It can nuts with different thread diameters are used to anchor tie rods 1 different thickness can.

In der weiteren Ausbildungsform der Erfindung gemäss Figur 5 steckt im unteren Ende 11 des Führungsrohrs 7 ein Anker 27 aus Metall, wie er in der DE-C2 19645759 beschrieben und beansprucht wird. Der Anker 27 umfasst ein Metallrohr 29, in welches Gewindeabschnitte 17 eingeprägt sind. Das untere Ende des Metallrohrs 29 ist zusammengequetscht, so dass dessen Querschnitt in einem Abstand zum Ende verschlossen wird. Zwei Ankerstäbe 33 und 35 sind, sich kreuzend, im Metallrohr 29 befestigt.In the further embodiment of the invention according to FIG. 5 inserted in the lower end 11 of the guide tube 7, an anchor 27 made of metal, as shown in the DE-C2 19645759 is described and claimed. The armature 27 comprises a metal tube 29, in which threaded portions 17 are embossed. The lower end of the metal tube 29 is squeezed so that its cross section is closed at a distance from the end. Two anchor rods 33 and 35 are, intersecting, fixed in the metal tube 29.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung gemäss Figur 6 sind zwischen dem Führungsrohr 7 und der Auflageplatte 5 ein- oder beidseitig Rippen 33 oder Waben zur Festigkeitserhöhung ausgebildet, welche sich bis zu den schmalen Seitenkanten der Auflageplatte 5 hin erstrecken können. Diese Ausführung ermöglicht es, die Auflageplatte 5 sehr dünn herzustellen und dennoch eine hohe Steifigkeit der Auflageplatte 5 und der Verbindung mit dem Führungsrohr 7 zu erlangen.In a further advantageous embodiment of the invention according to FIG. 6 are formed between the guide tube 7 and the support plate 5 on one or both sides ribs 33 or honeycombs for strength increase, which can extend to the narrow side edges of the support plate 5 out. This embodiment makes it possible to produce the support plate 5 is very thin and yet to obtain a high rigidity of the support plate 5 and the connection with the guide tube 7.

In der Figur 6 ist eine Mutter 25 dargestellt, welche im Querschnitt eine T-Form aufweist und deren Gewindebohrung 25a unterschiedliche Durchmesser aufweisen kann, je nach dem Durchmesser des zu verankernden Spannstabes 1. Dies bedeutet, dass mit ein und derselben Vorrichtung Spannstäbe 1 mit unterschiedlichem Durchmesser eingesetzt werden können. Es muss einzig die Mutter 25 eine passende Gewindebohrung 25a aufweisen.In the FIG. 6 a nut 25 is shown, which has a T-shape in cross-section and the threaded bore 25a may have different diameters, depending on the diameter of the tie rod to be anchored 1. This means that with one and the same device clamping rods 1 can be used with different diameters , Only the nut 25 must have a matching threaded hole 25a.

In der Ausgestaltung der Mutter 25 gemäss Figur 7 sitzt zwischen dem unteren Ende des Führungsrohrs 7 und der Mutter 25 eine Verbindungsmuffe 37. Die Verbindungsmuffe 37 weist an einem Ende einen Aussendurchmesser auf, der dem Innendurchmesser des Führungsrohrs 7 entspricht. Das andere Ende der Verbindungsmuffe weist einen Innendurchmesser auf, der dem Aussendurchmesser eines Fortsatzes 39 auf der Mutter 25 entspricht. Die Muffe 37 kann an ihrem oberen Ende auch einen Abschnitt 45 mit einem Innendurchmesser aufweisen, der dem Aussendurchmesser des Führungsrohrs 7 entspricht. Diese Ausgestaltung der Mutter 25 bzw. in Kombination mit der Verbindungsmuffe 37 ermöglicht es, an der Mutter 25 Gewindebohrungen 41 auszubilden, deren Durchmesser annähernd dem Innendurchmesser des Führungsrohrs 7 entspricht. Dies ermöglicht es weiter, Spannstäbe mit einem Durchmesser von annähernd dem Innendurchmesser des Führungsrohrs in der Vorrichtung 1 zu verankern. Wird ein dünnerer Spannstab 1 verwendet, so ersetzt der Bauarbeiter einzig die Mutter 25 durch eine solche mit einer entsprechend kleineren Gewindebohrung oder es wird eine Mutter 25 mit einem Stufengewinde 43 eingesetzt (in unterbrochenen Linien in Figur 7 angedeutet).In the embodiment of the nut 25 according to FIG. 7 sits between the lower end of the guide tube 7 and the nut 25 a connecting sleeve 37. The coupling sleeve 37 has at one end an outer diameter corresponding to the inner diameter of the guide tube 7. The other end of the connecting sleeve has an inner diameter which corresponds to the outer diameter of an extension 39 on the nut 25. The sleeve 37 may also have at its upper end a portion 45 with an inner diameter corresponding to the outer diameter of the guide tube 7. This embodiment of the nut 25 or in combination with the coupling sleeve 37 makes it possible to form threaded bores 41 on the nut 25 whose diameter is approximately equal to the inner diameter of the guide tube 7 equivalent. This further makes it possible to anchor tie rods with a diameter of approximately the inner diameter of the guide tube in the device 1. If a thinner tension rod 1 is used, the construction worker only replaces the nut 25 with one with a correspondingly smaller threaded hole, or a nut 25 with a step thread 43 is inserted (in broken lines in FIG FIG. 7 indicated).

Das Ausrichten und Befestigen des Verankerungsteils 3 auf einer Armierung für eine Betondecke ist äusserst einfach. Das Verankerungsteil 3 wird mit den Klammern 21, auf ein horizontal liegendes Armierungseisen 23 aufgelegt und an diesem festgeklipst. Vorzugsweise sind an der Auflageplatte 5 Klammern 21,21a mit unterschiedlichen Dimensionen ausgebildet, so dass je nach Dicke des Armierungseisens 23 entweder die Klammern 21 oder die Klammern 21a in Eingriff gelangen. Selbstverständlich kann die Auflageplatte 5 auch mit Bindedrähten an den Armierungseisen 23 befestigt werden.The alignment and fastening of the anchoring part 3 on a reinforcement for a concrete ceiling is extremely simple. The anchoring part 3 is placed with the brackets 21, on a horizontal reinforcing iron 23 and clipped to this. Clamps 21, 21a having different dimensions are preferably formed on the support plate 5, so that either the clamps 21 or the clamps 21a engage, depending on the thickness of the reinforcement iron 23. Of course, the support plate 5 can be fixed with binding wires to the reinforcing bars 23.

Claims (8)

  1. A device for positioning and anchoring a tensioning rod (1) with a precise position and angle, comprising a support plate (5) for laying and aligning the device on a reinforcement (23), a guide pipe (7) connected to the support plate (5) and thread means (17) for screwing in the tensioning rod (1) provided with a threaded section (19), characterised in that the support plate (5) and the guide pipe (7) are produced in one piece from plastic.
  2. The device according to claim 1, characterised in that the thread means (17) are formed as an internal thread on the guide pipe (7) and extend at least over a partial length of the guide pipe (17).
  3. The device according to claim 1 or 2, characterised in that the thread means (17) are formed on the lower end (11) of the guide pipe (7) or have the form of a nut (25) made of metal which is pushed into, inserted into or fitted onto the guide pipe (7).
  4. The device according to any one of claims 1 or 2, characterised in that as thread means (17) a sleeve-shaped armature (27) with an inner web is used, wherein the armature (27) comprises a metal pipe (29) into which threaded sections are impressed and the lower end of the metal pipe (29) is squeezed together and in that two armature rods (33, 35) are secured crossing one another in the metal pipe (29).
  5. The device according to any one of claims 1 to 4, characterised in that the lower end (11) of the guide pipe (7) has a larger diameter or radially outwardly projecting bumps, steps or ribs (15).
  6. The device according to any one of claims 1 to 5, characterised in that the upper end (9) of the guide pipe (7) is closed by a cover (13) produced during the production of the device and in that the cover (13) can be pierced through or broken out or in that on the upper end (9) of the guide pipe (7) an insertion cover (13) is fitted and/or in that the upper end (9) is at an acute angle to the axis A of the guide pipe (7).
  7. The device according to any one of claims 1 to 6, characterised in that on the support plate (5) means (21, 21a) are formed for clicking in or connecting the support plate (5) without tools to a reinforcing iron (23) of a reinforcement.
  8. The device according to claim 7, characterised in that as the means elastically spreadable clamps (21, 21 a) or suitably shaped ribs (33) are formed for at least partly wrapping round a reinforcing rod (23) and/or that the means (21, 21a) are designed for reinforcing rods (23) of varying thickness.
EP09405036.6A 2008-02-27 2009-02-26 Device for positioning and anchoring a tensioning rod with a precise position and angle Active EP2096223B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15183254.0A EP2977520B1 (en) 2008-02-27 2009-02-26 Device for anchoring of tensioning rods and positioning it in a precise angle and position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2882008 2008-02-27

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP15183254.0A Division EP2977520B1 (en) 2008-02-27 2009-02-26 Device for anchoring of tensioning rods and positioning it in a precise angle and position
EP15183254.0A Division-Into EP2977520B1 (en) 2008-02-27 2009-02-26 Device for anchoring of tensioning rods and positioning it in a precise angle and position

Publications (3)

Publication Number Publication Date
EP2096223A2 EP2096223A2 (en) 2009-09-02
EP2096223A3 EP2096223A3 (en) 2012-06-06
EP2096223B1 true EP2096223B1 (en) 2016-06-29

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EP15183254.0A Active EP2977520B1 (en) 2008-02-27 2009-02-26 Device for anchoring of tensioning rods and positioning it in a precise angle and position
EP09405036.6A Active EP2096223B1 (en) 2008-02-27 2009-02-26 Device for positioning and anchoring a tensioning rod with a precise position and angle

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EP15183254.0A Active EP2977520B1 (en) 2008-02-27 2009-02-26 Device for anchoring of tensioning rods and positioning it in a precise angle and position

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12018488B2 (en) * 2020-02-27 2024-06-25 Post Tech Manufacturing, Llc Systems and methods for concrete support post-tensioning

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4234892C2 (en) * 1992-10-16 1995-01-05 Karl Bisani Arrangement for the stable and directionally stable installation of anchoring parts in concrete
CH690727A5 (en) 1995-11-09 2000-12-29 Giulio Albanese Sleeve-shaped anchoring element to embed in Betongiessmasse.
DE19633594A1 (en) * 1996-08-21 1998-02-26 Wayss & Freytag Ag Structural anchoring element for tensile members
CH692425A5 (en) * 1997-11-26 2002-06-14 Giulio Albanese Device for anchoring a tie rod in a reinforced concrete composition comprises a guide part directly formed out of a holding plate in the direction required for setting the desired angle
EP0943745B1 (en) * 1998-03-18 2005-05-04 Giulio Albanese Anchoring device for a tension bar in a reinforced concrete mass
DE10258435B4 (en) * 2002-12-13 2008-03-13 Doka Industrie Gmbh anchoring element
DE202004020274U1 (en) * 2004-12-30 2005-03-24 Betomax Kunststoff Metall Fixing device for concrete reinforcing bar anchors, has holder device for keeping anchor oriented at given angle permanently secured to anchor

Also Published As

Publication number Publication date
EP2977520B1 (en) 2017-04-26
EP2977520A1 (en) 2016-01-27
EP2096223A3 (en) 2012-06-06
EP2096223A2 (en) 2009-09-02

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