EP0281545B1 - Anchor for transporting and manipulating heavy loads - Google Patents

Anchor for transporting and manipulating heavy loads Download PDF

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Publication number
EP0281545B1
EP0281545B1 EP19880890010 EP88890010A EP0281545B1 EP 0281545 B1 EP0281545 B1 EP 0281545B1 EP 19880890010 EP19880890010 EP 19880890010 EP 88890010 A EP88890010 A EP 88890010A EP 0281545 B1 EP0281545 B1 EP 0281545B1
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EP
European Patent Office
Prior art keywords
anchor
anchor bolt
axis
cylinder
transporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19880890010
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German (de)
French (fr)
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EP0281545A2 (en
EP0281545A3 (en
Inventor
Horst Krecny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riss GmbH
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Riss GmbH
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Filing date
Publication date
Application filed by Riss GmbH filed Critical Riss GmbH
Publication of EP0281545A2 publication Critical patent/EP0281545A2/en
Publication of EP0281545A3 publication Critical patent/EP0281545A3/en
Application granted granted Critical
Publication of EP0281545B1 publication Critical patent/EP0281545B1/en
Anticipated expiration legal-status Critical
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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

Definitions

  • the invention relates to an anchor for transporting and manipulating heavy loads, in particular precast concrete, by means of a lifting device consisting of an anchor bolt and an anchor head, the anchor bolt being provided in its longitudinal extension with a thickening of the approximate shape of a cylinder, the axis of this cylinder arranged approximately perpendicular to the Anherbolzen axis and this cylinder is provided in the direction of its axis with a preferably circular transverse hole.
  • Such anchors are widely used in connection with manipulating and lifting devices, as is known for example from DE-B-2 223 519.
  • the aim of the invention is to improve such an anchor in such a way that a better introduction of the forces into the heavy load, in particular the prefabricated concrete parts, and that, above all, a better absorption of the splitting tensile forces during installation and avoidance of flaking is achieved.
  • This is particularly the case with thin precast concrete parts, with low concrete strength, with lightweight concrete as well as with leca, slag and sludge concrete or the like. essential.
  • an anchoring device for concrete components which has a connecting element for establishing the connection with a transport device, for example a hoist, and an anchoring element for anchoring in the concrete component, in which at the upper end of a shaft-like connecting member or Bolzens a cross hole is provided with inserted cross bar, but this cross bar, in contrast to the present invention, serves as a connecting element for establishing the connection with the transport vehicle thus as an anchor head;
  • a forged cross bar is provided at the lower end of the bolt and serves as an anchor base.
  • FIG. 1 shows a view of the anchor according to the invention
  • FIG. 2 shows a view of the anchor rotated by 90 ° with respect to FIG. 1, partly in section
  • FIG. 3 shows a sectional view along the line III-III in FIG. 2
  • FIG. 4 shows a top view of the anchor in the position according to FIG. 2
  • FIG. 5 shows a sectional view along the line VV in FIG. 1
  • FIG. 6 shows a section through a plate-shaped prefabricated concrete part in the plane of its largest dimensions at the location of the anchor
  • FIG 7 shows an analog section along a plane rotated by 90 ° with respect to FIG. 6,
  • FIG. 8 shows a section corresponding to FIG. 7 with another reinforcement insert
  • FIG. 9 shows a section corresponding to FIG. 6 with the reinforcement insert according to FIG. 8.
  • 1 denotes the anchor as a whole, it consists of an anchor bolt 2, an anchor head 3 for attacking a known lifting device, not shown, and optionally a widened anchor base 4.
  • the anchor bolt 2 is provided with a thickening 5 which is approximately cylindrical; the axis 5 'of this cylinder runs approximately perpendicular to the axis 2' of the anchor bolt 2 (see. Fig. 2).
  • This cylindrical thickening 5 is provided with a preferably circular transverse hole 6 which extends in the direction of the axis 5 '.
  • This transverse hole 6 serves to receive an additional reinforcement (concrete iron) 7, 7A as shown in FIGS. 6 to 9, for example.
  • the diameter of the cylinder forming the thickening 5 is expediently approximately twice the diameter of the anchor bolt 2 and the height of this cylinder corresponds approximately to the diameter of the anchor bolt 2.
  • FIGS. 6 to 9 show installation examples of the anchor 1 according to the invention in a plate-shaped prefabricated concrete part 9; the upper part of the anchor bolt 2 protrudes with the anchor head 3 into a hemispherical recess 8 on an end face of the precast concrete part 9, which is provided in a known manner for engaging the connecting head of the lifting device on the anchor head 3.
  • the additional reinforcement (concrete iron) 7A inserted through the transverse hole 6 in the anchor 1 is also U-shaped or. Is bent in a V-shape, but the apex 7A 'of this reinforcing iron 7A has an offset or angled so that a plane through the two legs 7A ⁇ of the reinforcing iron 7A is at a distance from the anchor bolt 2 and parallel to it.
  • the precast concrete part 9 is expediently set in the direction of arrow A in FIG. 8.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Description

Die Erfindung betrifft einen Anker zum Transportieren und Manipulieren von Schwerlasten, insbesondere Betonfertigteilen, mittels eines Hebezeuges, bestehend aus einem Ankerbolzen und einem Ankerkopf, wobei der Ankerbolzen in seiner Längserstreckung mit einer Verdickung von der ungefähren Form eines zylinders versehen ist, wobei die Achse dieses Zylinders etwa senkrecht zur Anherbolzen-Achse angeordnet und dieser Zylinder in Richtung seiner Achse mit einem vorzugsweise kreisrunden Querloch versehen ist.The invention relates to an anchor for transporting and manipulating heavy loads, in particular precast concrete, by means of a lifting device consisting of an anchor bolt and an anchor head, the anchor bolt being provided in its longitudinal extension with a thickening of the approximate shape of a cylinder, the axis of this cylinder arranged approximately perpendicular to the Anherbolzen axis and this cylinder is provided in the direction of its axis with a preferably circular transverse hole.

Solche Anker werden vielfach verwendet und zwar im Zusammenhang mit Manipulier- und Hebevorrichtungen, wie sie beispielsweise aus der DE-B-2 223 519 bekannt ist.Such anchors are widely used in connection with manipulating and lifting devices, as is known for example from DE-B-2 223 519.

Ziel der Erfindung ist es, einen solchen Anker dahingehend zu verbessern, daß eine bessere Einleitung der Kräfte in die Schwerlast, insbesondere die Betonfertigteile, erfolgt und daß vor allem eine bessere Aufnahme der Spaltzugkräfte beim Aufstellen und eine Vermeidung von Abplatzungen erreicht wird. Dies ist insbesondere bei dünnen Betonfertigteilen, bei niedriger Betonfestigkeit, bei Leichtbeton sowie bei Leca-, Schlacken- und Schlammbeton od.dgl. wesentlich.The aim of the invention is to improve such an anchor in such a way that a better introduction of the forces into the heavy load, in particular the prefabricated concrete parts, and that, above all, a better absorption of the splitting tensile forces during installation and avoidance of flaking is achieved. This is particularly the case with thin precast concrete parts, with low concrete strength, with lightweight concrete as well as with leca, slag and sludge concrete or the like. essential.

Dies wird bei dem eingangs näher bezeichneten Anker erfindungsgemäß durch den kennzeichnenden Merkmalen erreicht.This is achieved according to the invention in the case of the anchor identified at the outset by the characterizing features.

Dadurch wird eine bessere räumliche Verteilung des Kraftangriffs durch den Anker im Beton erreicht.This results in a better spatial distribution of the force attack by the anchor in the concrete.

Aus der DE-OS-22 35 553 ist eine Verankerungsvorrichtung für Betonbauteile bekannt, die ein Verbindungselement zur Herstellung der Verbindung mit einer Transporteinrichtung, z.B. einem Hebezeug, und ein Verankerungsorgan zur Verankerung im Betonbauteil besitzt, bei welcher am oberen Ende eines schaftartigen Verbindungsgliedes bzw. Bolzens eine Querbohrung mit durchgestecktem Querstab vorgesehen ist, jedoch dient dieser Querstab zum Unterschied von der vorliegenden Erfindung als Verbindungselement zur Herstellung der Verbindung mit dem Transportzeug somit als Ankerkopf; gemäß einer anderen aus dieser Druckschrift bekannten Ausführungsform ist am unteren Ende des Bolzens ein angeschmiedeter Querstab vorgesehen, der als Ankerfuß dient.From DE-OS-22 35 553 an anchoring device for concrete components is known, which has a connecting element for establishing the connection with a transport device, for example a hoist, and an anchoring element for anchoring in the concrete component, in which at the upper end of a shaft-like connecting member or Bolzens a cross hole is provided with inserted cross bar, but this cross bar, in contrast to the present invention, serves as a connecting element for establishing the connection with the transport vehicle thus as an anchor head; According to another embodiment known from this document, a forged cross bar is provided at the lower end of the bolt and serves as an anchor base.

Die Erfindung wird nun an Hand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen näher erläutert; in diesen zeigen Fig. 1 eine Ansicht des erfindungsgemäßen Ankers, Fig. 2 eine zu Fig. 1 um 90° verdrehte Ansicht des Ankers, teilweise im Schnitt, Fig. 3 eine Schnittansicht längs der Linie III-III in Fig. 2, Fig. 4 eine Draufsicht auf den Anker in der Stellung gemäß Fig. 2, Fig. 5 eine Schnittansicht längs der Linie V-V in Fig. 1, Fig. 6 einen Schnitt durch einen plattenförmigen Betonfertigteil in der Ebene dessen größter Abmessungen an der Stelle des Ankers, Fig. 7 einen analogen Schnitt längs einer gegenüber Fig. 6 um 90° verdrehten Ebene, Fig. 8 einen Schnitt entsprechend Fig. 7 mit einer anderen Bewehrungseinlage und Fig. 9 einen Schnitt entsprechend der Fig. 6 mit der Bewehrungseinlage gemäß Fig. 8.The invention will now be explained in more detail using exemplary embodiments with reference to the drawings; 1 shows a view of the anchor according to the invention, FIG. 2 shows a view of the anchor rotated by 90 ° with respect to FIG. 1, partly in section, FIG. 3 shows a sectional view along the line III-III in FIG. 2, FIG. 4 shows a top view of the anchor in the position according to FIG. 2, FIG. 5 shows a sectional view along the line VV in FIG. 1, FIG. 6 shows a section through a plate-shaped prefabricated concrete part in the plane of its largest dimensions at the location of the anchor, FIG 7 shows an analog section along a plane rotated by 90 ° with respect to FIG. 6, FIG. 8 shows a section corresponding to FIG. 7 with another reinforcement insert, and FIG. 9 shows a section corresponding to FIG. 6 with the reinforcement insert according to FIG. 8.

In den Fig. 1 bis 9 ist mit 1 der Anker als Ganzes bezeichnet, er besteht aus einem Ankerbolzen 2, einem Ankerkopf 3 zum Angriff einer nicht dargestellten, bekannten Hebevorrichtung und gegebenenfalls einem verbreiterten Ankerfuß 4. Im oberen, d.h. an den Ankerkopf 3 anschließenden Drittel seiner Längserstreckung ist der Ankerbolzen 2 mit einer Verdickung 5 versehen, die ungefähr zylinderförmig ist; die Achse 5′ dieses Zylinders verläuft etwa senkrecht zur Achse 2′ des Ankerbolzens 2 (vgl. Fig. 2). Diese zylinderförmige Verdickung 5 ist mit einem vorzugsweise kreisförmigen Querloch 6 versehen, das in Richtung der Achse 5′ verläuft.1 to 9, 1 denotes the anchor as a whole, it consists of an anchor bolt 2, an anchor head 3 for attacking a known lifting device, not shown, and optionally a widened anchor base 4. In the upper, i.e. at the anchor head 3 adjoining third of its longitudinal extent, the anchor bolt 2 is provided with a thickening 5 which is approximately cylindrical; the axis 5 'of this cylinder runs approximately perpendicular to the axis 2' of the anchor bolt 2 (see. Fig. 2). This cylindrical thickening 5 is provided with a preferably circular transverse hole 6 which extends in the direction of the axis 5 '.

Dieses Querloch 6 dient zur Aufnahme einer Zusatzbewehrung (Betoneisen) 7, 7A wie dies in den Fig. 6 bis 9 beispielsweise dargestellt ist.This transverse hole 6 serves to receive an additional reinforcement (concrete iron) 7, 7A as shown in FIGS. 6 to 9, for example.

Zweckmäßigerweise ist der Durchmesser des die Verdickung 5 bildenden Zylinders etwa doppelt so groß wie der Durchmesser des Ankerbolzens 2 und die Höhe dieses Zylinders entspricht etwa dem Durchmesser des Ankerbolzens 2.The diameter of the cylinder forming the thickening 5 is expediently approximately twice the diameter of the anchor bolt 2 and the height of this cylinder corresponds approximately to the diameter of the anchor bolt 2.

In den Fig. 6 bis 9 sind Einbaubeispiele des erfindungsgemäßen Ankers 1 in einem plattenförmigen Betonfertigteil 9 dargestellt; dabei ragt der obere Teil des Ankerbolzens 2 mit dem Ankerkopf 3 in eine halbkugelförmige Aussparung 8 an einer Stirnseite des Betonfertigteils 9, die zum Angriff des Verbindungskopfes der Hebevorrichtung am Ankerkopf 3 in bekannter Weise vorgesehen ist.6 to 9 show installation examples of the anchor 1 according to the invention in a plate-shaped prefabricated concrete part 9; the upper part of the anchor bolt 2 protrudes with the anchor head 3 into a hemispherical recess 8 on an end face of the precast concrete part 9, which is provided in a known manner for engaging the connecting head of the lifting device on the anchor head 3.

Dabei ist in der Fig. 6 oder 7 der normale Einbaufall des Ankers 1 mit U- bzw. V-förmiger Zusatzbewehrung (Betoneisen) 7, der eine bessere Verteilung der in den Betonteil 9 vom Anker 1 einzuleitenden Kräfte bewirkt bzw. ein Herausziehen des Ankers 1 verhindert, dargestellt. Die Bewehrung 7 ist dabei durch das Querloch 6 im Anker 1 geführt. Mit dem Pfeil 7 ist die auf den Ankerkopf 3 einwirkende Zugkraft angedeutet.6 or 7 is the normal installation of the anchor 1 with U- or V-shaped additional reinforcement (concrete iron) 7, which causes a better distribution of the forces to be introduced into the concrete part 9 by the anchor 1 or pulling out the anchor 1 prevented, shown. The reinforcement 7 is guided through the transverse hole 6 in the anchor 1. The arrow 7 indicates the tensile force acting on the anchor head 3.

In den Fig. 8 und 9 ist ein spezieller Fall einer Spaltzugbewehrung dargestellt, bei welchem die durch das Querloch 6 im Anker 1 gesteckte Zusatzbewehrung (Betoneisen) 7A ebenfalls U-bzw. V-förmig gebogen ist, wobei aber der Scheitel 7A′ dieses Bewehrungseisens 7A eine Abkröpfung bzw. Abwinkelung aufweist, so daß eine durch die beiden Schenkel 7A˝ des Bewehrungseisens 7A gelegte Ebene im Abstand zum Ankerbolzen 2 und parallel zu diesem verläuft. Das Aufstellen des Betonfertigteils 9 erfolgt zweckmäßig in Richtung des Pfeils A in Fig. 8.8 and 9 show a special case of split tensile reinforcement, in which the additional reinforcement (concrete iron) 7A inserted through the transverse hole 6 in the anchor 1 is also U-shaped or. Is bent in a V-shape, but the apex 7A 'of this reinforcing iron 7A has an offset or angled so that a plane through the two legs 7A˝ of the reinforcing iron 7A is at a distance from the anchor bolt 2 and parallel to it. The precast concrete part 9 is expediently set in the direction of arrow A in FIG. 8.

Claims (1)

1. Anchor for transporting and manipulating heavy loads, in particular prefabricated concrete elements, by means of a hoist, consisting of an anchor bolt (2) and an anchor head (3), the anchor bolt (2) being provided with a thickening (5) of the approximate shape of a cylinder in its longitudinal extension, the axis (5′) of said cylinder extending approximately perpendicularly to the axis of the anchor bolt and said cylinder being provided with a preferably circular transverse hole (6) in the direction of its axis (5′), characterized in that the anchor bolt (2) is provided with a widened anchor base (4), that the thickening (5) is arranged in the third of the longitudinal extension of the anchor bolt (2) adjacent the anchor head (3), that a reinforcing iron (7A) in the form of a U or V is passed through the transverse hole (6) of the anchor bolt (2) in a manner known per se and that the apex (7A′) of this reinforcing iron (7A) is provided with a cranked or angled portion so that a plane passing through the two legs (7A˝) of the U- or V-shaped reinforcing iron (7A) extends at a distance and parallel to the anchor bolt (2).
EP19880890010 1987-03-04 1988-01-20 Anchor for transporting and manipulating heavy loads Expired - Lifetime EP0281545B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT48487A AT396279B (en) 1987-03-04 1987-03-04 ANCHORS FOR TRANSPORTING AND MANIPULATING HEAVY LOADS
AT484/87 1987-03-04

Publications (3)

Publication Number Publication Date
EP0281545A2 EP0281545A2 (en) 1988-09-07
EP0281545A3 EP0281545A3 (en) 1989-04-26
EP0281545B1 true EP0281545B1 (en) 1991-07-03

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EP19880890010 Expired - Lifetime EP0281545B1 (en) 1987-03-04 1988-01-20 Anchor for transporting and manipulating heavy loads

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EP (1) EP0281545B1 (en)
AT (1) AT396279B (en)
DE (1) DE3863445D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011006189A1 (en) * 2009-07-17 2011-01-20 Casne Verige Pty Ltd Concrete lifting anchors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4341329A1 (en) * 1993-12-03 1995-06-08 Leonhard Nasl Concrete component cast=in dowel with shaft

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2054723A5 (en) * 1969-07-24 1971-05-07 Loire Atel Forges
DE2223519C3 (en) * 1972-05-13 1975-07-03 Haeussler, Ernst, Dr.-Ing., 4300 Essen Device for attaching a precast concrete part to a hoist
DE2235553A1 (en) * 1972-07-20 1974-01-31 Reinhold Michel ANCHORING DEVICE FOR CONCRETE COMPONENTS
DE2603805A1 (en) * 1976-02-02 1977-08-04 Modersohn Gmbh & Co Kg Wilh Concrete attachment anchor bar or welding plate - has eye loop welded to it for anchoring bar retention
DE2704435C3 (en) * 1977-02-03 1981-04-16 Frimeda Metall- Und Drahtwarenfabrik Siegfried Fricker, 7135 Wiernsheim Mounting and transport anchors for precast concrete slabs
DE3005975A1 (en) * 1980-02-18 1981-09-03 Walther Ing.(grad.) 4952 Porta Westfalica Schröder Concrete prefabricated component transport loading device - has hammer-head socket beginning as circular and ending in oval shape
US4627198A (en) * 1984-09-17 1986-12-09 The Burke Company Hoisting anchor assembly for use in cast concrete panels and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011006189A1 (en) * 2009-07-17 2011-01-20 Casne Verige Pty Ltd Concrete lifting anchors
EP2588680A1 (en) * 2009-07-17 2013-05-08 Casne Verige Pty Ltd Concrete lifting anchors
EP2588680A4 (en) * 2009-07-17 2014-04-09 Casne Verige Pty Ltd Concrete lifting anchors

Also Published As

Publication number Publication date
EP0281545A2 (en) 1988-09-07
ATA48487A (en) 1992-11-15
AT396279B (en) 1993-07-26
EP0281545A3 (en) 1989-04-26
DE3863445D1 (en) 1991-08-08

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