EP2097597B1 - Anker zur handhabung von bauelementen, insbesondere von betonplatten - Google Patents

Anker zur handhabung von bauelementen, insbesondere von betonplatten Download PDF

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Publication number
EP2097597B1
EP2097597B1 EP06847130.9A EP06847130A EP2097597B1 EP 2097597 B1 EP2097597 B1 EP 2097597B1 EP 06847130 A EP06847130 A EP 06847130A EP 2097597 B1 EP2097597 B1 EP 2097597B1
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EP
European Patent Office
Prior art keywords
anchor
flats
head
flat
facets
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.)
Active
Application number
EP06847130.9A
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English (en)
French (fr)
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EP2097597A1 (de
Inventor
Marcel Arteon
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Individual
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Individual
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Publication of EP2097597A1 publication Critical patent/EP2097597A1/de
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Classifications

    • 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
    • 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 a handling anchor, in particular for lifting, lifting, reversing, transporting and laying of construction elements such as prefabricated blocks and panels, in particular of concrete, intended to be secured to the element of construction and type comprising a fastening head of the construction element to a handling machine and a body portion having active portions which, when the anchor is secured to the construction element, ensures the adhesion of this to the material of the building element.
  • Anchors of this type which are known ( GB 800 302 A ; AU 752 353 B2 ; GB 804 817 A ), have the disadvantage of being performed by relatively expensive methods and therefore inappropriate to allow an adaptation of the anchor shape to the characteristics of the prefabricated elements to be handled.
  • the invention aims to overcome this disadvantage.
  • the anchor according to the invention is characterized in that its portion forming the body of the anchor comprises two flats of identical or different shapes each provided with at least two facets and assembled one to the other.
  • the anchor is characterized in that a said flat comprises a plurality of facets which follow each other forming a zig-zag sequence.
  • the anchor is characterized in that the anchor comprises a gripping head to a handling machine, which constitutes a separate piece on which are mounted the two flats.
  • the anchor is characterized in that the member forming the head is of different shape adapted to the gripping means of the anchor.
  • the anchor is characterized in that it comprises lateral wings, one of which protrudes from each flat.
  • the anchor is characterized in that the wings are part of a separate part attached to the anchor with flats assembled.
  • the anchor is characterized in that the separated part has a central portion of a cross section in the form of a preferably U or circular groove adapted to be engaged on the assembled flats.
  • the anchor is characterized in that the facets have an angle of inclination with respect to the longitudinal direction of the anchor at an angle of 10 to 85 °.
  • the anchor devices according to the invention have been designed to allow handling, including lifting, lifting, turning, transport and laying, building elements such as prefabricated concrete blocks or panels.
  • the figure 1 shows a first embodiment of an anchor according to the invention generally designated by the reference 1.
  • the anchor according to the figure 1 has the shape of a flat 1 made from a rigid metal strip and having a head portion 3, a portion 4 forming the body of the anchor and a portion 5 forming the foot.
  • the anchor 1 is intended to be embedded in the material, in general concrete, of the construction element 6 to be handled, with the exception of the head 3 which remains outside the material of the construction element. and is adapted to be hooked to a handling machine.
  • the head has a hole 7 allowing the anchor to be gripped by a hook of the handling machine.
  • the foot is shaped like a dovetail.
  • the lower end of the flat 1 is split in its axial direction to form two foot portions 9, preferably of equal width, one of which is folded around a fold line 10 to be separated from the other .
  • the portion 4 forming the body of the flat 1 is folded around three fold lines which extend perpendicularly to the longitudinal axis of the flat. These lines denoted 12 are offset from each other in the axial direction of the flat and thus ensure the formation of three facets 14, 15, 16 inclined that follow in the axis of the anchor formed by the flat, each facet forming a predetermined angle between 10 ° and 85 ° with respect to the longitudinal direction of the anchor.
  • the facets 14, 15, 16 combined with the developed surface of the flat part make it possible to urge the concrete both for adhesion and shearing in line with the anchors generated by the facets.
  • the flat head includes recesses in its front face which are made also on the other heads of this type without however being represented.
  • the construction element according to the figure 1 is a concrete panel which could be thin and that the flat is arranged in the panel so that its width is in the direction of the thickness of the panel. This precludes any risk of deformation of the anchor in the direction of its width.
  • the figure 2 illustrates another embodiment of an anchor formed from a single metal flat.
  • the particularity of this embodiment lies in the fact that this flat is cut along the median longitudinal line, from the foot end to the head portion 3.
  • Two flat shaped flat elements are obtained. strips 18, 19 of equal width, which are folded several times, in the example shown six times, around the fold lines 20 and 21 respectively, which extend perpendicularly to the longitudinal axis of the anchor and are spaced the each other in this longitudinal direction.
  • the folds of the two flattened elements 18, 19 are made in opposite directions at an angle ⁇ of 10 to 85 ° so that each element has five successive facets forming a zig-zag band.
  • the facets of the band 18 are all designated by the reference 22 and those of the band 19 by the same reference 23.
  • the anchor according to the figure 1 and even more the anchor according to the figure 2 are particularly suitable for progressive traction efforts.
  • FIGS 3A and 3B show an embodiment of an anchor according to the invention obtained by assembling two flats 24, 25, identical but inverted configurations. Each flat has three facets successive zig-zag steps from the head portion 3, in accordance with the embodiment according to the Figures 1 and 2 .
  • One of the two flats, in the example shown the flat 25, comprises just above the upper fold line 26 an assembly pin 27 cut in the strip and folded out of the plane thereof, which, during the assembly of the two flats engages in a suitable recess 28 made in the flat 24, as seen on the figure 3A .
  • the head portions 3 of the two flats are thus pressed against each other so that the head of the anchor in the assembled state has a double thickness.
  • the two anchor halves, each formed by one of the flats 24, 25 are still in contact at their lower fold line 29.
  • any other method of assembling the two flats 24, 25, for example spot welding or gluing may be considered.
  • Anchor with two flats according to the Figures 3A, 3B is particularly suitable for axial tensile stresses.
  • the figure 4 illustrates another embodiment of an anchor obtained from two different flat surfaces 30, 31 mounted on a separate head member 32.
  • the two flats 30, 31 are always of the faceted type, but of different configurations.
  • the two flats could also be configurations only reversed.
  • the flat part 30 comprises, from top to bottom, an upper part 33, parallel to the axis of the anchor, an inclined part 34, a part 35 parallel to the part 33 and a foot part at the bottom of the 36.
  • the flat portion 31 comprises a head portion 37 followed by three parts 38, 39, 40 which form a zigzag assembly with three facets.
  • the separate head member 32 is in the form of a plate whose upper part comprises a hole 41 for attachment to a handling machine and a base portion 42 which comprises at each lateral side a vertical pin 43 intended to pass, when mounting the two flats 30, 31 on the head 32, through cutouts 44 of complementary shape, formed in the respective inclined portion 33, 37 of the two flats.
  • Each lug 43 is cut into the flat piece 32 which forms the head.
  • the lugs extend in the axis of the anchor and the bottom of the inner vertical cutout extends to a depth adapted to the inclination of the face 33 or 37 of the flat part so that the support flatness is optimal.
  • each of the two flats 46, 47, of inverted configurations comprises an anchor body whose upper portion 48 is rectilinear and whose lower portion comprises two facets 49 inclined to form a V and a sealing foot portion 50 deviating obliquely outwardly from the longitudinal median plane of the anchor.
  • the particularity of the anchor structure according to Figures 6A, 6B lies in the fact that the upper rectilinear portion 48 has delta lateral wings 51, that is to say having the general shape of a triangle and extending perpendicular to the plane of the flat portion 48, outwardly .
  • These wings 51 can be obtained by folding a portion of appropriate shape of the flat around a line then forming a longitudinal side edge of the rectilinear body portion 48.
  • the wings 51 have the following shapes. a triangle whose free angle could be 90 °.
  • the shape of the triangle will be chosen so that the angle ⁇ of inclination of the upper edge of the triangle is relatively large to ensure a large width in the upper part of the flat.
  • each anchor plate 46, 47 has in its rectilinear upper portion 48 a bore for example of rectangular form 52 for mounting the flat on a separate head member 54 which comprises, near its base on two sides opposite side a lug 55 of parallelepipedal shape and complementary to the shape of the bore 52.
  • a separate head member 54 which comprises, near its base on two sides opposite side a lug 55 of parallelepipedal shape and complementary to the shape of the bore 52.
  • the assembly of the head 54 and the two flats 46, 47 is made by engaging the flats, with their holes 52, on the protruding lugs 55 of the head.
  • the Figure 6C is intended to show the adaptability of the anchor to different applications. It suffices for this purpose to choose a head 54 of appropriate shape.
  • the head is spherical type made in one piece, for example by forging. But the cylindrically shaped gripping portion could also be added to a base portion by screwing or any other suitable manner.
  • the anchor structure shown on the Figures 6A to 6C thanks to its wings 51 is particularly well suited to lifting efforts of concrete panels, especially thin.
  • FIGs 7A and 7B show that a structure of the type according to the Figures 6A, 6B can also be obtained from two flats of identical shape. The assembly of these two flats results in a structure in which the wings are arranged at the opposite lateral sides of the anchor.
  • the anchor does not have a separate head member.
  • the head is of the anchor type according to the figure 2 .
  • the Figures 8A and 8B illustrate another possibility of producing the delta wing anchor, as shown on the Figures 6A and 6B .
  • the delta wings 51 are formed by adding to flats 56, 57 having substantially the shape of the flats 46, 47 without wings 51 of the Figure 6A , a piece obtained by folding a piece of sheet metal 58.
  • This part comprises a central portion 60 in the form of a U whose width is slightly greater than the width of the two flats in the assembled state and the height is complementary to the width of the flats, and flanges 61 delta-shaped obtained by folding the free edges of the branches of the U, an angle of 90 °.
  • these and the piece 62 forming the head comprise, in the example shown, lugs 63 projecting which engage in appropriate holes 64 of complementary shape formed in the base of the U-shaped central part.
  • the winged piece could also be done in any other appropriate way.
  • the Figures 9A to 9C illustrate an anchor that shows the anchor structure according to the Figures 8A to 8C but which is not covered by the claims.
  • This anchor is obtained only from two pieces, namely a part 65 which has a central part in the shape of a U 66, similar to the part 60 of the Figure 8C , side wings 67 similar to the wings 61 and two tabs 68 which form a dovetail foot.
  • the piece 65 is advantageously obtained by cutting and folding an original blank.
  • the anchor further comprises a head piece 70 of flat shape, provided with a gripping hole 71 and having on its front edge face 72 and set back by a distance corresponding to the thickness of the central piece 66, two assembly pins 73 intended to be received in holes of complementary shape 75 in the base of the central element 66 of the piece 65.
  • the anchor is obtained by inserting the head 70 into the part central 66, the widths of the two parts being complementary.
  • the cross sections of the central portions 60 and 66 could be different and for example circular.
  • anchor structure are not limited to the different embodiments shown in the figures which have been given by way of example. Indeed, thanks to its modular design that can use several flats of the same or different shapes that are mounted, if necessary, on a head member of appropriate shape, the invention ensures perfect adaptability to handling conditions of the building element, especially when it comes to thin concrete panels. Since the anchor according to the invention is feasible from flats and heads of simple shape, the cost price of the anchor is low although the performance of the anchor is excellent. It should be noted that the deformation of the flats could be made in any appropriate manner, for example also by stamping.
  • the anchor according to the invention has major advantages over the anchors of the state of the art.
  • the anchor is formed by two flats of identical or different shapes whose section, length, width and height are adjustable according to the technical geometric characteristics of the panels.
  • the flats of monoblock shape, twinned or juxtaposed comprise several facets obtained by folding an angle of 10 to 85 °. These single or twin faceted flats simultaneously increase the adhesion surface, solicit concrete compression by internal and external facets and shear the right anchors.
  • the anchor creates a compressed mass inside the facets in the case of twin flats.
  • the anchor can operate in lifting, lifting, reversing and oblique traction without addition including reinforcing irons.
  • the anchor head may be of the spherical, flat, threaded sleeve type and be connected to a lifting ring. The anchor head could be used to position the anchor before pouring the concrete.

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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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Panels For Use In Building Construction (AREA)

Claims (8)

  1. Anker zur Handhabung, vor allem zum Heben, Aufrichten, Umdrehen, Transport und Aufstellen von Bauelementen wie vorgefertigte Blöcke oder Platten, vor allem aus Beton, die dazu bestimmt sind, mit einem Bauelement verbunden zu sein und der Bauart, die einen Befestigungskopf des Bauelements an einem Handhabungsgerät umfasst und einen Körperteil, der aktive Abschnitte aufweist, die, wenn der Anker mit dem Bauelement verbunden ist, den Halt desselben am Material des Bauelements sicherstellen, dadurch gekennzeichnet, dass der Teil, der den Körper des Ankers bildet, zwei Flachstellen (2; 30, 31; 46, 47; 56, 57) identischer oder unterschiedlicher Formen aufweist, die jeweils mit mindestens zwei Facetten (14, 15, 16; 22, 23) ausgestattet und miteinander verbunden sind.
  2. Anker nach Anspruch 2, dadurch gekennzeichnet, dass eine vorgenannte Flachstelle eine Vielzahl von Facetten aufweist, die eine aufeinanderfolgende Zick-Zack-Abfolge bilden.
  3. Anker nach Anspruch 1, dadurch gekennzeichnet, dass der Anker einen Befestigungskopf (32; 54; 62) an einem Handhabungsgerät aufweist, der ein separates Teil bildet, an dem die zwei Flachstellen montiert sind.
  4. Anker nach Anspruch 3, dadurch gekennzeichnet, dass das Organ, das den Kopf bildet, unterschiedlicher Form ist, die an die Greifmittel des Ankers angepasst ist.
  5. Anker nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass er seitliche Flügel (51) aufweist, von dem einer aus jeder Flachstelle hervorsteht.
  6. Anker nach Anspruch 5, dadurch gekennzeichnet, dass die Flügel (61) Teil eines separaten Teils (58) sind, das auf dem Anker aus verbundenen Flachstellen aufgesetzt ist.
  7. Anker nach Anspruch 6, dadurch gekennzeichnet, dass das separate Teil (58) einen zentralen Abschnitt (60) mit einem Querschnitt in Form einer in vorteilhafter Weise U-förmigen oder kreisrunden Rille aufweist, die ausgebildet ist, um über die verbundenen Flachstellen gesteckt zu sein.
  8. Anker nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Facetten einen Neigungswinkel im Verhältnis zur Längsrichtung des Ankers in einem Winkel von 10 bis 85° haben.
EP06847130.9A 2006-12-22 2006-12-22 Anker zur handhabung von bauelementen, insbesondere von betonplatten Active EP2097597B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2006/002860 WO2008078008A1 (fr) 2006-12-22 2006-12-22 Ancre de manutention d'elements de construction notamment de panneau en beton

Publications (2)

Publication Number Publication Date
EP2097597A1 EP2097597A1 (de) 2009-09-09
EP2097597B1 true EP2097597B1 (de) 2014-05-07

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ID=38432946

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EP06847130.9A Active EP2097597B1 (de) 2006-12-22 2006-12-22 Anker zur handhabung von bauelementen, insbesondere von betonplatten

Country Status (13)

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US (2) US20100058677A1 (de)
EP (1) EP2097597B1 (de)
JP (1) JP4998904B2 (de)
KR (1) KR101391800B1 (de)
CN (1) CN101605953B (de)
AU (1) AU2006352372B2 (de)
BR (1) BRPI0622165A2 (de)
CA (1) CA2672947C (de)
ES (1) ES2476800T3 (de)
HK (1) HK1133910A1 (de)
MX (1) MX2009006616A (de)
NZ (1) NZ577831A (de)
WO (1) WO2008078008A1 (de)

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Also Published As

Publication number Publication date
BRPI0622165A2 (pt) 2011-12-27
US8402701B2 (en) 2013-03-26
CA2672947C (fr) 2014-09-30
NZ577831A (en) 2013-02-22
AU2006352372B2 (en) 2013-03-21
CN101605953A (zh) 2009-12-16
MX2009006616A (es) 2009-07-10
AU2006352372A1 (en) 2008-07-03
KR101391800B1 (ko) 2014-05-07
US20100058677A1 (en) 2010-03-11
KR20100014328A (ko) 2010-02-10
CN101605953B (zh) 2013-07-10
HK1133910A1 (en) 2010-04-09
ES2476800T3 (es) 2014-07-15
US20120067001A1 (en) 2012-03-22
WO2008078008A1 (fr) 2008-07-03
CA2672947A1 (fr) 2008-07-03
EP2097597A1 (de) 2009-09-09
JP4998904B2 (ja) 2012-08-15
JP2010513759A (ja) 2010-04-30

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