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EP4296451B1 - Élément de positionnement - Google Patents

Élément de positionnement Download PDF

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Publication number
EP4296451B1
EP4296451B1 EP23180484.0A EP23180484A EP4296451B1 EP 4296451 B1 EP4296451 B1 EP 4296451B1 EP 23180484 A EP23180484 A EP 23180484A EP 4296451 B1 EP4296451 B1 EP 4296451B1
Authority
EP
European Patent Office
Prior art keywords
positioning element
socket
receiving space
tongue
magnet
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
EP23180484.0A
Other languages
German (de)
English (en)
Other versions
EP4296451A1 (fr
Inventor
Javier Sanz-Martin
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.)
Kaiser GmbH and Co KG
Original Assignee
Kaiser GmbH and Co KG
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 Kaiser GmbH and Co KG filed Critical Kaiser GmbH and Co KG
Publication of EP4296451A1 publication Critical patent/EP4296451A1/fr
Application granted granted Critical
Publication of EP4296451B1 publication Critical patent/EP4296451B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/04—Cores for anchor holes or the like around anchors embedded in the concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
    • 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
    • E04G21/16—Tools or apparatus
    • E04G21/18—Adjusting tools; Templates
    • E04G21/1841—Means for positioning building parts or elements
    • E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure

Definitions

  • the present invention relates to a positioning element for positioning an installation part on a metal formwork in a concrete segment to be cast by means of a magnet arrangement.
  • concrete segments of structures such as a concrete wall, a concrete floor, or a concrete ceiling
  • components can include installation boxes for the installation of electrical switches, sockets, lamps, appliances, or for branching devices, which are concreted into the building at the designated locations.
  • components in the form of anchoring elements e.g., for connecting the respective concrete segments to each other, or components in the form of wall and ceiling transition pieces for attaching plastic pipes for inserting installation lines into a concrete segment or for transferring installation lines from one concrete segment to an adjacent concrete segment.
  • EP 3 534 476 A1 discloses a positioning element for positioning an installation part in a concrete segment to be cast on a metal formwork by means of a magnet arrangement.
  • removing the positioning element may require an additional work step in addition to removing the magnet assembly.
  • the quick and cost-effective removal of the generally reusable magnet assembly from the metal formwork and/or the positioning element after casting a concrete segment is also difficult.
  • Another existing problem is that the built-in component is usually difficult to align with the formwork, so that it assumes a predetermined and defined position and, if necessary, orientation. However, this is advantageous, especially with regard to automated processes.
  • the object of the present invention is to further develop the state of the art with regard to positioning elements.
  • at least one of the aforementioned problems should be reduced or eliminated.
  • the present invention relates to a positioning element for positioning an installation part in a concrete segment to be cast using a magnet arrangement.
  • the installation part is generally intended to remain at least partially in the cast concrete segment - in particular at locations provided for this purpose.
  • the installation part can be used for assembling the concrete segment and/or for installing electrical installations in the concrete segment.
  • the installation part described below is an anchoring element.
  • the anchoring element can be used for the (subsequent) attachment of additional installation elements.
  • the installation elements can be used, for example, to connect the respective concrete segments (such as a concrete wall, a concrete floor, or a concrete ceiling) to one another or to attach additional elements (e.g., furniture, partition walls, etc.) to the concrete segment.
  • the positioning element comprises a base and a circumferential side wall, which together surround a first receiving space, and a receiving opening opposite the base in relation to the first receiving space, through which the first receiving space is accessible.
  • the base can merge into the side wall.
  • the first receiving space serves to accommodate a magnet of the magnet arrangement.
  • the magnet serves to temporarily fasten the positioning element to the metal formwork of the concrete segment to be poured.
  • a tubular nozzle protrudes further in an axial direction from a rear side of the base and surrounds a second receiving space for a pin of the magnet arrangement.
  • the nozzle also serves to allow the built-in part to be plugged onto it, or the nozzle can be inserted into a mounting opening in the built-in part.
  • the pin of the magnet arrangement serves to fasten the magnet to the positioning element.
  • the second receiving space can be open at the rear.
  • the nozzle advantageously projects from the floor coaxially to the side wall of the positioning element.
  • the positioning element can, for example, be designed to be rotationally symmetrical about a central axis. The central axis therefore extends in the axial direction.
  • the second receiving space is accessible from the first receiving space (i.e. from a front side opposite the rear) through an opening in the floor.
  • the front side is to be understood as facing towards the metal formwork in the later installed/cast-in state. Consequently, the rear is facing away from the metal formwork.
  • At least one radially deformable tongue for holding the pin is also arranged in a wall of the tubular nozzle.
  • the at least one tongue has a first (outer) contact surface for contact of the positioning element with the built-in part when the built-in part is plugged onto the nozzle, and a second (inner) contact surface opposite the first contact surface with respect to the wall of the nozzle for contact with the pin.
  • the tongue extends from a proximal to a distal end, in particular in the axial direction. Viewed from the axial direction, the tongue can be arranged substantially within the contour of the nozzle.
  • the tongue in the undeformed state
  • the tongue can be arranged substantially within the contour of the wall of the nozzle, so that, if present, only the elevation and/or the support element, as described further below, protrude beyond the contour of the wall.
  • the distal end of the tongue advantageously points in the direction of the first receiving space.
  • the distal end it is also conceivable for the distal end to point away from the first receiving space or for the at least one tongue to extend in the circumferential direction of the nozzle.
  • a rotationally symmetrical design of the at least one tongue (around the central axis) is also conceivable.
  • the at least one tongue is surrounded at least in regions by a recess extending in the radial direction through the wall.
  • the at least one tongue is formed integrally with the wall of the nozzle.
  • the tongue merges into the wall at the proximal end of the nozzle.
  • the recess can thus surround the tongue in a U-shape, in particular from the proximal end.
  • the at least one tongue can have a raised portion that projects into the second receiving space.
  • the previously described second (inner) contact surface can be arranged at least partially on the raised portion.
  • the raised portion protrudes from an inner side of the socket, which can also simultaneously represent an inner side of the tongue that points towards the second receiving space.
  • the raised portion can serve to lock the positioning element to the magnet arrangement, as described in more detail below.
  • the raised portion can be designed to lock the positioning element to the magnet arrangement, in particular when the built-in part is plugged in.
  • a thickened portion arranged on the pin can interact with the tongue, in particular the raised portion of the tongue.
  • the raised portion is advantageously arranged at a distal end of the tongue and/or the thickened portion is advantageously arranged at an end of the pin facing away from the magnet.
  • the elevation of the at least one tongue can engage between the thickened portion of the pin and a base of the pin.
  • the pin is attached to the base of the magnet.
  • the thickened portion of the pin can be cylindrical or spherical. When the thickened portion interacts with the elevation, it forms an undercut in the axial direction (in the locked state of the at least one tongue). This undercut can be released by deforming the tongue in a radially outward direction.
  • the at least one tongue cannot be deformed outwards or can only be deformed to a limited extent, so that the magnet arrangement is locked to the positioning element, or the release of the undercut in the axial direction is prevented.
  • the positioning element detaches from the component while the magnet assembly remains locked to the positioning element. This speeds up and simplifies the removal of the magnet assembly and the positioning element, as they can be removed together in a single step.
  • first force is smaller than a second force operatively connecting the positioning element to the magnet arrangement.
  • the operative connection of the built-in part to the positioning element i.e. the first force
  • the operative connection of the magnet arrangement to the positioning element i.e. the second force
  • the positive engagement can be formed from the undercut in the axial direction.
  • a larger second force has the advantage that when the cast magnet segment is demoulded, the magnetic force acting on the magnets of the magnet arrangement in the axial direction means that the magnet arrangement remains on the metal formwork together with the positioning element, while the cast-in built-in part remains in the concrete segment.
  • the at least one tongue can be designed such that, when the built-in part is plugged onto the nozzle, it forms an undercut with the pin in the axial direction.
  • the at least one tongue can have a support element on the outside for supporting the tongue in the radial direction against the installation part. If a support element is present, the previously described first (outer) contact surface can be arranged at least partially on the support element.
  • the support element can furthermore be designed in such a way that it only allows or even prevents outward deformation of the at least one tongue when the installation part is plugged in on the nozzle.
  • the at least one tongue can be held in the undeformed position in the plugged-on state of the built-in part, or can even be deformed radially further inwards by contact with the built-in part, so that the undercut between the tongue and the pin and/or the frictional force between the tongue and the pin is further increased.
  • a plurality of centering elements can be arranged on an outer side of the nozzle.
  • One of the plurality of centering elements can, for example, be a centering collar running around the outer surface of the nozzle for centering the built-in part placed on the nozzle.
  • the centering collar is preferably arranged at a proximal end of the nozzle, at which the nozzle is attached to the base.
  • the centering collar and the at least one tongue can be arranged at different positions in the axial direction on the nozzle.
  • a plurality of centering elements e.g., in the form of ribs extending in the axial direction
  • the previously described support element can further protrude in the radial direction from the connecting piece by the same distance as the centering elements (in the undeformed state of the at least one tongue).
  • the nozzle advantageously has at least one rib projecting into the second receiving space for positioning and in particular centering the pin In this case, it is advisable if the rib projects radially into the second receiving space essentially the same distance as the elevation on the tongue (in the undeformed state of the at least one tongue).
  • the base preferably has a contact surface on the rear side for the fixture's front side.
  • a seal can also be provided on the contact surface to seal the fixture against the positioning element during concrete pouring.
  • the seal can be ring-shaped and arranged around the nozzle.
  • a suitable magnet arrangement can have various shapes.
  • the magnet can have a disk-shaped configuration with two mutually parallel cover surfaces and a circumferential outer surface extending between the cover surfaces, one of the cover surfaces being intended for contact with the metal formwork.
  • the magnet can therefore, in particular, have a substantially circular disk-shaped configuration.
  • An axis running through the center of the cover surfaces, which typically extends perpendicular to the cover surfaces, is referred to as the central axis of the magnet arrangement.
  • the central axis of the magnet arrangement advantageously overlaps the central axis of the positioning element.
  • the preferably non-magnetic pin can protrude centrally from one of the cover surfaces.
  • the magnet is advantageously arranged concentrically to the pin.
  • a set of different positioning elements can comprise several positioning elements, which are designed to be inserted into mounting openings of components with different diameters.
  • the respective positioning elements can differ in the design of the nozzle (e.g., by different outer diameters of the nozzle and/or different heights of the support elements and/or different heights of the centering elements).
  • a component in the form of an anchoring element usually has a mounting opening arranged in a main body, which is open (i.e. accessible) at the front and closed at the rear.
  • the mounting opening extends in the axial direction of the positioning element when the anchoring element is mounted on the positioning element.
  • the mounting opening (at the front) is closed by the positioning element onto which the anchoring element is placed. This means that no concrete penetrates into the mounting opening in the anchoring element.
  • the mounting opening can be used to accommodate additional mounting elements, such as screws, pins or bolts. These can be used, for example, to connect one concrete segment to another or to attach other elements (e.g. furniture, partition walls, etc.) to the concrete segment.
  • Figure 1 and Figure 2 each show a positioning device 5 for a built-in part 3 in the form of an anchoring element.
  • the positioning device 5 comprises a positioning element 1 and a magnet arrangement 2 operatively connectable to the positioning element 1, comprising a magnet 15 and a pin 14 for fastening the magnet 15 to the positioning element 1.
  • the magnet 15 has a disc-shaped configuration with a front and a rear cover surface 31, 32 and a circumferential surface extending between the cover surfaces 31, 32.
  • the front cover surface 31 serves to support and magnetically fasten the magnet assembly 2 to a metal formwork.
  • the pin 14 protrudes from the rear cover surface 32 for operative connection with the positioning element 1.
  • the pin 14 has a thickened portion 30 at an end facing away from the magnet 15.
  • the positioning element 1 establishes an operative connection between the magnet arrangement 2 and the built-in part 3.
  • the positioning element 1 comprises a base 6 and a circumferential side wall 7 which merges into the base 6 and which together surround a first receiving space 9 for receiving the magnet 15 of the magnet arrangement 2.
  • the base 6 Opposite the base 6 is a receiving opening 11 through which the first receiving space 9 is accessible and into which the magnet 15 can be inserted.
  • a tubular nozzle 8 protrudes in an axial direction from a rear side 17 of the base 6 and surrounds a second receiving space 10 for holding the pin 14 of the magnet arrangement 2.
  • Opposite the rear side 17 is a front side 16 of the positioning element 1, which serves for contact with the metal formwork.
  • the second receiving space 10 is accessible from the first receiving space 9 through an opening 12 in the base 6, so that the magnet arrangement 2 can be introduced into the first and second receiving spaces 9, 10 from the front.
  • the built-in part 3 is also shown in the form of the anchoring element.
  • the anchoring element comprises a main body 33 with a mounting opening 35 extending in the axial direction.
  • the anchoring element 3 can have a plate-shaped region 34 which projects laterally from the main body 33 in order to form an undercut in the axial direction with the cast concrete.
  • the plate-shaped region 34 thus reduces the risk of the anchoring element 3 breaking out of the cast concrete segment 4.
  • the anchoring element 3 also has stiffening ribs 36 which extend from the plate-shaped region 34 in the axial direction to a front side of the anchoring element 3 and support the force distribution to the plate-shaped region 34. It can also be seen that the anchoring element 3 is closed at a rear side of the anchoring element 3 so that no concrete can penetrate into the mounting opening 35.
  • two oppositely arranged, radially deformable tongues 18 are formed in the wall 13 of the socket 8 for holding the pin 14.
  • a different number or design of the tongues 14 is, however, also possible.
  • the distal end 21 of the respective tongues 18 points in the direction of the first receiving space 9.
  • the tongues 18 are partially surrounded by a recess 22 extending in the radial direction through the wall 13. At a proximal end 20, the tongue 18 merges into the wall 13.
  • the socket 8 In the plugged-in state, the socket 8 is inserted into the mounting opening 35 of the installation part 3 in such a way that radially outward deformation of the tongues 18 is prevented at least in some areas.
  • the positioning element 1 is thus locked to the magnet arrangement 2. This is particularly supported by the fact that on an outer side of the tongues 18, or of the socket 8, a support element 26 is provided for supporting the tongues against the installation part.
  • the support element 26, as shown can protrude from the nozzle 8 by the same distance in the radial direction, as can centering elements 25, which are also arranged on the outside, for centering the built-in part 3 placed on the nozzle 8.
  • centering elements 25 are provided, distributed around the circumference of the nozzle 8 in the circumferential direction (cf. Figure 5 ).
  • a centering element 25 has the form of a circumferential centering collar arranged around the outer surface and in the area of a base of the nozzle 8.
  • a first force operatively connecting the built-in part 3 to the positioning element 1 is therefore lower than a second force operatively connecting the positioning element 1 to the magnet arrangement 2, since the operative connection of the built-in part to the positioning element is based solely on a frictional connection, whereas the operative connection of the magnet arrangement to the positioning element 1 is based on a positive connection in addition to a frictional connection (undercut between tongue 18 and pin 14).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (17)

  1. Élément de positionnement (1) pour le positionnement d'un élément de montage (3) dans un segment de béton (4) à couler sur un coffrage métallique au moyen d'un ensemble d'aimants (2), l'élément de positionnement (1) comprenant
    a. un fond (6) et une paroi latérale circulaire (7), qui entourent ensemble un premier espace de réception (9) destiné à recevoir un aimant (15) de l'ensemble d'aimants (2), et une ouverture de réception (11) opposée au fond (6), par laquelle le premier espace de réception (9) est accessible; caractérisé en ce que l'élément de positionnement (1)
    b. présente une embout tubulaire (8) pour l'emboîtement de l'élément de montage (3), dans lequel
    i. l'embout (8) dépasse d'une face arrière (17) du fond (6) dans une direction axiale,
    ii. l'embout (8) entoure un deuxième espace de réception (10) destiné à maintenir une tenon (14) de l'ensemble d'aimants (2), et le deuxième espace de réception (10) est accessible à partir du premier espace de réception (9) par une ouverture (12) dans le fond (6), et
    iii. au moins une languette (18) disposée et déformable radialement est arrangée dans une paroi (13) de l'embout (8) pour maintenir le tenon (14).
  2. Élément de positionnement (1) selon la revendication 1, caractérisé en ce que la au moins une languette (18) présente une première surface de contact pour le contact de l'élément de positionnement (1) avec l'élément de montage (3) dans un état emboîté de l'élément de montage (3) sur l'embout (8) et une deuxième surface de contact opposée à la première surface de contact par rapport à la paroi (13) de l'embout (8) pour le contact avec le tenon (14).
  3. Élément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce que l'au moins une languette (18) est conçue de telle sorte que, dans un état emboîté de l'élément de montage (3) sur l'embout (8), elle forme une contre-dépouille avec le tenon (14) dans la direction axiale.
  4. Élément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce que la au moins une languette (18) déformable radialement présente une élévation (19) qui pénètre dans le deuxième espace de réception (10).
  5. Élément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce qu' une extrémité distale (21) de ladite au moins une languette (18) est orientée en direction du premier espace de réception (9).
  6. Élément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce que la au moins une languette (18) est entourée au moins par zones par une cavité (22) s'étendant radialement à travers la paroi (13).
  7. Elément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce que l'embout (8) présente sur un côté extérieur (24) des éléments de centrage (25) pour centrer l'élément de montage (3) emboîté sur l'embout (8).
  8. Elément de positionnement (1) selon la revendication 7, caractérisé en ce que l'un des éléments de centrage (25) est conçu sous la forme d'un collier de centrage circulaire.
  9. Elément de positionnement (1) selon la revendication 7, caractérisé en ce que plusieurs des éléments de centrage (25) sont répartis autour de la périphérie de l'embout (8) et sont arrangés à côté de la au moins une languette (18).
  10. Élément de positionnement (1) selon les revendications précédentes, caractérisé en ce que la au moins une languette (18) présente sur le côté extérieur (24) un élément d'appui (26) pour soutenir la languette (18) contre l'élément de montage (3).
  11. Élément de positionnement (1) selon l'une des revendications 7 et 8, caractérisé en ce que l'élément d'appui (26) dépasse dans la direction radiale essentiellement de la même distance du côté extérieur (24) de l'embout (8) que les éléments de centrage (25).
  12. Elément de positionnement (1) selon la revendication 4, caractérisé en ce que l'embout (8) présente au moins une nervure (28) pénétrant dans le deuxième espace de réception (10) pour le positionnement du tenon (14), qui pénètre radialement dans le deuxième espace de réception (10) sensiblement sur la même distance que l'élévation (19).
  13. Elément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce que la paroi latérale (7) présente une face extérieure conique qui se rétrécit en direction de l'embout (8).
  14. Élément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce qu' une face intérieure de la paroi latérale (7), qui délimite le premier espace de réception (9), s'étend sensiblement dans la direction axiale.
  15. Élément de positionnement (1) selon l'une des revendications précédentes, caractérisé en ce qu' une rainure circulaire (29) ouverte vers une face avant (16) de l'élément de positionnement (1) est arrangée dans la paroi latérale (7).
  16. Élément de positionnement (1) selon la revendication 15, caractérisé en ce qu' un sceller circulaire est arrangé dans la rainure (29).
  17. Un dispositif de positionnement (5) comprenant au moins un élément de positionnement (1) selon l'une des revendications précédentes et un ensemble d'aimants (2) avec un aimant (15) et un tenon (14) arrangé sur la face arrière de l'aimant (15), l'aimant (15) pouvant être reçu dans le premier espace de réception (9) du au moins un élément de positionnement (1) et le tenon (14) pouvant être reçu au moins par zones dans le deuxième espace de réception (10) du au moins un élément de positionnement (1).
EP23180484.0A 2022-06-21 2023-06-20 Élément de positionnement Active EP4296451B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022115399.1A DE102022115399A1 (de) 2022-06-21 2022-06-21 Positionierelement

Publications (2)

Publication Number Publication Date
EP4296451A1 EP4296451A1 (fr) 2023-12-27
EP4296451B1 true EP4296451B1 (fr) 2025-05-07

Family

ID=86903970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23180484.0A Active EP4296451B1 (fr) 2022-06-21 2023-06-20 Élément de positionnement

Country Status (5)

Country Link
EP (1) EP4296451B1 (fr)
DE (1) DE102022115399A1 (fr)
DK (1) DK4296451T3 (fr)
HU (1) HUE072033T2 (fr)
PL (1) PL4296451T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2035529B1 (en) * 2023-08-02 2025-02-18 Attema B V Installation device to be accommodated in a concrete component
CN119332959B (zh) * 2024-12-24 2025-04-11 福建一建集团有限公司 一种预制墙板安装用人工辅助定位设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1419864A (fr) * 1964-10-22 1965-12-03 Inovac Sa Dispositif de maintien sur coffrage métallique des boîtes de raccordement encastrées
DE10055060A1 (de) * 2000-11-07 2002-05-08 Fischer Artur Werke Gmbh Halter zum Befestigen eines Transponders an einer Schaltafel oder an einem Schalungszubehörteil
DE202018101204U1 (de) * 2018-03-02 2018-04-16 Kaiser Gmbh & Co. Kg Installationsdose

Also Published As

Publication number Publication date
EP4296451A1 (fr) 2023-12-27
PL4296451T3 (pl) 2025-08-18
DK4296451T3 (da) 2025-06-30
HUE072033T2 (hu) 2025-10-28
DE102022115399A1 (de) 2023-12-21

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