EP2097597A1 - Anker zur handhabung von bauelementen, insbesondere von betonplatten - Google Patents

Anker zur handhabung von bauelementen, insbesondere von betonplatten

Info

Publication number
EP2097597A1
EP2097597A1 EP06847130A EP06847130A EP2097597A1 EP 2097597 A1 EP2097597 A1 EP 2097597A1 EP 06847130 A EP06847130 A EP 06847130A EP 06847130 A EP06847130 A EP 06847130A EP 2097597 A1 EP2097597 A1 EP 2097597A1
Authority
EP
European Patent Office
Prior art keywords
anchor
flats
head
anchor according
flat
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.)
Granted
Application number
EP06847130A
Other languages
English (en)
French (fr)
Other versions
EP2097597B1 (de
Inventor
Marcel Arteon
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2097597A1 publication Critical patent/EP2097597A1/de
Application granted granted Critical
Publication of EP2097597B1 publication Critical patent/EP2097597B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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

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, have the disadvantage of being made by relatively expensive methods and therefore inappropriate to allow an adaptation of the shape of the anchor 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 at least one flat provided with at least two facets.
  • 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 two flats assembled to one another.
  • 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 flats have identical or different shapes.
  • 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-shaped groove adapted or circular to be engaged on the assembled flats.
  • the anchor is characterized in that the aforementioned flat is cut axially from its head to form two strips in the form of a series of zig-zag facets, the corresponding facets of two suites being inclined in opposite directions.
  • 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 is characterized in that the wings are part of a separate part, which is provided with a foot portion and attached to a head piece.
  • the anchor is characterized in that the separated part comprises a central part having a cross section in the form of a groove U of engagement on the head part, advantageously in the form of a circular U.
  • the anchor is characterized in that the central part, the wings and the foot are obtained by folding an original blank element.
  • FIG. 1 is a perspective view of a first embodiment of the anchor according to the invention, formed by a single flat;
  • - Figure 2 is a perspective view of a second embodiment of an anchor formed of a single flat
  • - Figures 3A and 3B are perspective views, in the exploded state and in the assembled state of another embodiment of an anchor according to the invention, the body being formed by two flats;
  • FIG. 4 is a perspective view of another embodiment of a two-flat anchor according to the invention.
  • FIG. 5 is a perspective view of an anchor according to the invention, made according to the principle of Figure 4 but having a different head;
  • FIGS. 6A and 6B are perspective views of another embodiment of a two-flat anchor, respectively in the exploded state and in the assembled state;
  • FIG. 6C is a perspective view of another embodiment of the head of an anchor according to FIGS. 6A and 6B;
  • Figs. 7A, 7B are perspective views of another version of the embodiment according to Figs. 6A, 6B;
  • FIGS. 8A, 8B and 8c are perspective views of an embodiment version of an anchor according to FIGS. 6A, 6B, 6C and
  • Figures 9A, 9B and 9C are perspective views of an embodiment of an anchor according to Figures 8A, 8B.
  • the anchor devices according to the invention have been designed to allow handling, including lifting, lifting, reversing, transport and laying, building elements such as prefabricated concrete blocks or panels.
  • FIG. 1 shows a first embodiment of an anchor according to the invention generally designated by reference numeral 1.
  • the anchor according to FIG. 1 has the shape of a flat part 1 made from a rigid strip in metal 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 grasped 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 element of. construction according to Figure 1 is a concrete panel which could be thin and that the flat is disposed 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.
  • 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 respectively 20 and 21, which extend perpendicularly to the longitudinal axis of the anchor and are spaced apart from 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 FIG. 1 and even more so the anchor according to FIG. 2 are particularly adapted to progressive tensile forces.
  • 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, from the head portion 3, according to the embodiment according to Figures 1 and 2.
  • One of the two flats, in the example shown the flat 25, has just above the upper folding line 26 an assembly pin 27 cut into the strip and folded out of the plane thereof, which, during assembly of the two flats engages in a suitable recess 28 formed in the flat 24, as we see it in 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.
  • the anchor with two flats according to Figures 3A, 3B is particularly suitable for axial tensile forces.
  • FIG. 4 illustrates another embodiment of an anchor obtained from two different flat surfaces 30, 31 mounted on a separate head element 33.
  • 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.
  • FIG. 5 confirms this observation since it has an anchor whose head, instead of presenting the hole for the passage of a hook, as in FIG. 4, is of the spherical type marked 45.
  • the anchor has two flats according to the Figures 4 and 5 is particularly suitable for axial tensile forces, lifting and reversal.
  • Figs. 6A to 6C illustrate another embodiment of a two-flat and split-head anchor.
  • each of the two flats 46, 47, of inverted configurations comprises an anchor body whose upper portion 48 is rectilinear and whose bottom portion comprises two facets 49 inclined to form a V and a sealing foot portion 50 skewed obliquely outwardly from the longitudinal median plane of the anchor.
  • the particularity of the anchor structure according to FIGS. 6A, 6B lies in the fact that the upper rectilinear part 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 sides 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 sides 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 by engagement of the flats, thanks to their holes 52 on the projecting lugs 55 of the head.
  • 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. On the face 6C, 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 in Figures 6A to 6C, with 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 FIGS. 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 FIG. 2. This illustrates once again the different possibilities that the invention provides for producing anchor structures of different shapes that are perfectly adaptable to different, if appropriate, specific applications.
  • FIGS. 8A and 8B illustrate another possibility of producing the delta wing anchor, as represented in FIGS. 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 FIG. 6A, of a piece obtained by folding of a sheet metal part 58.
  • This part comprises a central portion 60 in the shape 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 in delta form obtained by folding of the free edges of the U-branches at a 90 ° angle.
  • 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.
  • FIGS. 9A to 9C illustrate an anchor which presents the structure of the anchor according to FIGS. 8A to 8C, but is obtained only from two pieces, namely a part 65 which comprises a central part in the shape of a U 66 , similar to part 60 of Figure 8C, side wings 67 similar to the wings 61 and two tabs 68 which form a dovetail foot. It should be noted that 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 insertion of the head 70. in the central portion 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 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 one or 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 one or more 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Panels For Use In Building Construction (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
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 true EP2097597A1 (de) 2009-09-09
EP2097597B1 EP2097597B1 (de) 2014-05-07

Family

ID=38432946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06847130.9A Active EP2097597B1 (de) 2006-12-22 2006-12-22 Anker zur handhabung von bauelementen, insbesondere von betonplatten

Country Status (12)

Country Link
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)
MX (1) MX2009006616A (de)
NZ (1) NZ577831A (de)
WO (1) WO2008078008A1 (de)

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Also Published As

Publication number Publication date
CA2672947C (fr) 2014-09-30
JP2010513759A (ja) 2010-04-30
WO2008078008A1 (fr) 2008-07-03
HK1133910A1 (en) 2010-04-09
MX2009006616A (es) 2009-07-10
KR20100014328A (ko) 2010-02-10
US20100058677A1 (en) 2010-03-11
CN101605953A (zh) 2009-12-16
KR101391800B1 (ko) 2014-05-07
CA2672947A1 (fr) 2008-07-03
AU2006352372B2 (en) 2013-03-21
BRPI0622165A2 (pt) 2011-12-27
EP2097597B1 (de) 2014-05-07
JP4998904B2 (ja) 2012-08-15
AU2006352372A1 (en) 2008-07-03
CN101605953B (zh) 2013-07-10
US8402701B2 (en) 2013-03-26
ES2476800T3 (es) 2014-07-15
US20120067001A1 (en) 2012-03-22
NZ577831A (en) 2013-02-22

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