EP0408593B1 - Dispositif pour la fixation d'attaches de transport sur des coffrages pour elements en beton - Google Patents

Dispositif pour la fixation d'attaches de transport sur des coffrages pour elements en beton Download PDF

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Publication number
EP0408593B1
EP0408593B1 EP89903157A EP89903157A EP0408593B1 EP 0408593 B1 EP0408593 B1 EP 0408593B1 EP 89903157 A EP89903157 A EP 89903157A EP 89903157 A EP89903157 A EP 89903157A EP 0408593 B1 EP0408593 B1 EP 0408593B1
Authority
EP
European Patent Office
Prior art keywords
anchor
gripper
transport
magazine
swivel
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
EP89903157A
Other languages
German (de)
English (en)
Other versions
EP0408593A1 (fr
Inventor
Peter Ernst
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.)
Detec Fertigung GmbH
Original Assignee
Detec Fertigung GmbH
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 Detec Fertigung GmbH filed Critical Detec Fertigung GmbH
Priority to AT89903157T priority Critical patent/ATE67959T1/de
Publication of EP0408593A1 publication Critical patent/EP0408593A1/fr
Application granted granted Critical
Publication of EP0408593B1 publication Critical patent/EP0408593B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53478—Means to assemble or disassemble with magazine supply

Definitions

  • the invention relates to a device for inserting transport anchors, which have an anchor shaft with a widened anchor head and a widened anchor foot, in formwork for concrete parts, with an anchor magazine accommodating a plurality of anchor devices and an insertion gripper which can be displaced in its longitudinal axis by means of a gripper feed device and which has two hinged gripper jaws which grip around the anchor head and hold it when it is inserted into the casting mold, the anchor magazine having two guide rails which guide the received transport anchors each directly behind the anchor foot on both sides of the anchor shaft.
  • Transport anchors are used in concrete parts, in particular precast concrete parts, during manufacture in order to simplify the attachment to hoists for transport and for laying.
  • the transport anchors which are usually designed with an anchor head, are inserted into the casting mold before the concrete parts are poured in such a way that a recess remains on the surface of the concrete parts, into which the anchor head protrudes.
  • the formwork for the production of the concrete parts has openings, into each of which a gripper holding a transport anchor is inserted.
  • the gripper for example comprising two gripper jaws in the form of a spherical cap, at the same time forms the recess into which the anchor head protrudes.
  • a device of the type mentioned at the outset is known for automating the insertion process (WO 85/04360), in which the transport anchors are kept ready in an anchor magazine.
  • the bottom transport anchor is ejected from the anchor magazine transversely to its longitudinal axis by an ejection device and brought into the range of motion of the gripper, which can only be displaced longitudinally.
  • the gripper grasps the anchor head and pushes the transport anchor into the formwork opening, where it is held until the concrete part is made.
  • This known device is of relatively complicated construction and therefore heavy.
  • the space requirement is considerable because, on the one hand, the anchor magazine must be arranged close to the point of transfer to the insertion gripper so that the path of the ejection device is not too great; on the other hand, the insertion gripper must be advanced straight from this transfer position into the formwork. This requires a relatively long feed path for the insertion gripper.
  • the object of the invention is therefore to design a device of the type mentioned in such a way that it is of considerably simpler construction and lighter and that its space requirement is significantly reduced.
  • the insertion gripper is pivotable about a pivot axis extending transversely to its longitudinal axis between a removal position in which the longitudinal axis of the insertion gripper is aligned with that of the transport anchor to be taken over from the anchor magazine, and an insertion position by means of a pivot drive device.
  • the insert gripper takes over the transport anchor directly from the anchor magazine, an ejection device is completely dispensed with, which considerably simplifies the construction of the device. Since the insert gripper pivots between the removal of a transport anchor from the anchor magazine and the insertion into the formwork, the anchor magazine can be arranged next to the insert gripper in a space-saving manner; the anchor magazine does not interfere in the insertion area, so that the insertion gripper only has to carry out a relatively short movement stroke, since the formwork can be arranged directly in front of the insertion gripper. This also allows a very space-saving design of the entire device to be achieved.
  • the swivel drive device is mounted fixed to the frame and carries the gripper feed device. This does not cause any design difficulties because the gripper feed device is designed only for a short gripper stroke and is therefore simple and lightweight.
  • the device 1 shown in the drawing serves to use transport anchors 2 in a formwork 3 of a casting mold for concrete parts 4, for example concrete pipes.
  • the transport anchors 2, designed as plate anchors each have a cylindrical, elongated anchor shaft 5.
  • a plate-shaped anchor foot 6 is arranged at one end of the anchor shaft 5, and a short, essentially cylindrical anchor head 7 is also widened relative to the anchor shaft 5 at the opposite end.
  • the transport anchors 2 to be inserted into the concrete part 4 are kept ready in an anchor magazine 8.
  • the anchor magazine 8 has two guide rails 9 which are arranged in parallel and at a distance from one another and which form an obliquely sloping path for the transport anchors 2 hanging down in the anchor magazine 8 with the anchor head 7.
  • the clear width between the guide rails 9 is chosen so that the shaft 5 of the lifting anchor 2 is accommodated with play in between.
  • the guide rails 9 thus guide the transport anchors 2 directly behind the anchor foot 6 on both sides of the anchor shaft 5.
  • the guide rails 9 form a removal opening 11 which is open towards the formwork 3, but is blocked by a stop bolt 12 extending transversely to the guide rails 9.
  • the stop bolt 12 is a pin that can be pulled back by an actuating element 13, for example a lifting magnet or a pneumatic cylinder, in order to release the transport anchor 2, which is located at the removal end 10.
  • two inlet locks 14 and 15 which are designed in the same way as the stop bolt 12, are arranged and can also be operated in a controlled manner.
  • the mutual distance between the two inlet locks 14 and 15 corresponds to the Width of a transport anchor 2, so that one transport anchor 2 can be received between the inlet locks 14 and 15, as shown in Fig. 1.
  • the insertion gripper 16 has two gripper jaws 18 which are hingedly connected to one another about an axis 17. In their common parting plane 19 there are recesses 20 which together form a cavity for receiving the anchor head 7.
  • the gripper jaws 18, which are pivotably mounted in the axis 17, are connected via a link 21 to a drive piston rod 22 of an actuating cylinder 23.
  • the gripper 16 is opened as shown in FIG. 2. If the drive piston rod 22 is advanced, the insertion gripper 16 closes (FIG. 1).
  • the insertion gripper 16 is mounted on a slide 24 which can be moved on guides 25 of a gripper feed device 26 in the direction of the longitudinal axis 27 of the insertion gripper 16.
  • the gripper feed device 26 is carried by a swivel drive device 28 and can be swiveled about a horizontal swivel axis 29. As indicated in Fig. 2, the swivel drive device 28 is mounted fixed to the frame.
  • the insertion gripper 16 can be advanced by means of the gripper feed device 26 and then closed by actuating its drive cylinder 23, whereby it is located at the removal end 10 of the armature magazine 8 Transport anchor 2 grips.
  • the stop bolt 12 is then withdrawn and the removal opening 11 is released.
  • the insert gripper 26 is pivoted through 90 ° by the swivel drive device 28 and brought into its insert position shown in FIG. 1.
  • the insertion gripper 16 with the transport anchor 2 accommodated therein is advanced through the gripper feed device 26 until the transport anchor 2 and the hemispherical front part of the insertion gripper 16 protrude through an opening 30 into the formwork 3.
  • the transport anchor is introduced into the concrete part 4 formed in the formwork 3; at the same time, a hemispherical recess is formed around the anchor head 7.
  • the actuating gripper 16 is opened by actuating the cylinder 23 and moved back out of the formwork 3 by actuating the gripper feed device 26. Subsequently, the insertion gripper 16 can be swiveled up again to take over the next transport anchor 2.
  • the axis 17, about which the two gripper jaws 18 can be pivoted lies in the pivoting plane of the inserting gripper 16 which can be pivoted about the axis 29, the parting plane 19 of the inserting gripper 16 coincides with its pivoting plane.Therefore, it is possible to open the inserting gripper 16 up to to pivot the removal position when it is already in its forward position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

Les attaches de transport (2) destinées à être fixées sur un coffrage (3) pour éléments en béton (4) sont conservées dans un magasin (8). Une griffe (16) saisit l'attache (2) disposée tout en bas dans le magasin (8) et la fait pivoter pour la placer dans une position permettant sa fixation. Dans cette position, la griffe (16) est déplacée vers l'avant par l'action d'un dispositif d'avance (26) et l'attache de transport (2) est fixée sur le coffrage (3).

Claims (6)

1. Dispositif pour le placement d'attaches de transport, qui présente un fût d'attache avec une tête d'attache élargie et un pied d'attache élargi dans des coffrages pour éléments en béton, avec un magasin d'attaches contenant plusieurs attaches de transport et un grappin de placement pouvant se déplacer sur son axe longitudinal au moyen d'un dispositif d'avancement de grappin et qui comporte deux mâchoires de grappin rabattables qui entourent la tête d'attache et la maintiennent pendant son placement dans le moule, tandis que le magasin d'attaches présente deux rails de guidage guidant l'attache de transport à installer immédiatement derrière le pied de l'attache, de part et d'autre du fût d'attache, caractérisé en ce que le grappin de placement (16) peut pivoter au moyen d'un dispositif de commande de pivotement (28) autour d'un axe de pivotement (29) disposé transversalement par rapport à son axe longitudinal (27), entre une position de reprise dans laquelle l'axe longitudinal (27) du grappin de reprise (16) coïncide avec celui de l'attache de transport à reprendre dans le magasin (8) et une position de placement.
2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de commande de pivotement (28) est monté de manière fixe sur le châssis et supporte le dispositif d'avancement du grappin (26).
3. Dispositif selon la revendication 1, caractérisé en ce que les deux rails de guidage (9) du magasin d'attaches (8) sont disposés en descendant vers l'extrémité de reprise (10) et y forment un orifice de reprise (11) ouvert mais bloqué par un verrou de butée (12) rétractable, et qu'au moins un verrou de blocage d'alimentation rétractable (14 ou 15) est disposé pour l'attache de transport (2) avant l'extrémité de reprise (10) du magasin d'attaches (8).
4. Dispositif selon la revendication 3, caractérisé en ce que deux verrous de blocage d'alimentation (14, 15) pouvant être actionnés séparément sont disposés avant l'extrémité de reprise (10) du magasin d'attaches (8), à une certaine distance qui correspond à une attache de transport (2).
5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que l'axe de pivotement (29) du dispositif de commande de pivotement (28) est disposé horizontalement, que l'extrémité de reprise (10) est disposée approximativement au-dessus du grappin de placement (16) dans sa position de reprise et que l'axe longitudinal (27) du grappin de placement (16) est disposé à peu près horizontalement dans sa position de placement.
6. Dispositif selon la revendication 1, caractérisé en ce que les deux mâchoires de grappin (18) peuvent se rabattre autour d'un axe (17) se trouvant dans le plan de pivotement du grappin de placement (16).
EP89903157A 1988-03-12 1989-03-10 Dispositif pour la fixation d'attaches de transport sur des coffrages pour elements en beton Expired - Lifetime EP0408593B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89903157T ATE67959T1 (de) 1988-03-12 1989-03-10 Vorrichtung zum einsetzen von transportankern in schalungen fuer betonteile.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3808379 1988-03-12
DE3808379A DE3808379A1 (de) 1988-03-12 1988-03-12 Vorrichtung zum einsetzen von transportankern in schalungen fuer betonteile

Publications (2)

Publication Number Publication Date
EP0408593A1 EP0408593A1 (fr) 1991-01-23
EP0408593B1 true EP0408593B1 (fr) 1991-10-02

Family

ID=6349640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89903157A Expired - Lifetime EP0408593B1 (fr) 1988-03-12 1989-03-10 Dispositif pour la fixation d'attaches de transport sur des coffrages pour elements en beton

Country Status (6)

Country Link
US (1) US5123825A (fr)
EP (1) EP0408593B1 (fr)
AU (1) AU3204389A (fr)
DE (2) DE3808379A1 (fr)
DK (1) DK166950B1 (fr)
WO (1) WO1989008540A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK110590D0 (da) * 1990-05-03 1990-05-03 Pedershaab Maskinfabrik As Fremgangsmaade og apparat til stoebning af et betonlegeme
DK43992D0 (da) * 1992-04-01 1992-04-01 Pedershaab As Formudstyr til af beton af stoebe broendringe eller kegler med stigetrin
US5667190A (en) * 1995-08-01 1997-09-16 Scott; Samuel C. Object bracket holder for concrete forms
CA2318499C (fr) * 1998-01-07 2007-03-27 Fabristeel Products, Inc. Tete d'installation d'elements de fixation pourvu d'un ensemble d'entrainement des elements de fixation pivotant
US6386849B1 (en) 1999-12-06 2002-05-14 Caco Pacific Corporation Multi-component mold
GB9929931D0 (en) * 1999-12-17 2000-02-09 Bas Components Limited Stud feed device
US6821100B2 (en) 2002-09-06 2004-11-23 Caco Pacific Corporation Multi-component mold with rotatable mandrels

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506966A (en) * 1945-10-11 1950-05-09 Crown Fastener Corp Apparatus for casting enlarged bodies on pins or rods
US3553798A (en) * 1968-01-02 1971-01-12 A R Ind Inc Apparatus for producing precast concrete members
US3985180A (en) * 1974-01-09 1976-10-12 A. B. Machine Company Lead weight-making apparatus
DK149731C (da) * 1975-06-25 1989-01-16 Stormax Aps Apparat til isaetning af pinde i iscremelegemer
DE3219139A1 (de) * 1982-05-21 1983-11-24 DETEC Fertigung GmbH, 6080 Groß-Gerau Verfahren und vorrichtung zum einsetzen von transportankern in betonfertigteile
DE8409825U1 (de) * 1984-03-30 1984-06-28 Pape, Harald, 4930 Detmold Vorrichtung zum Einbringen von Transportankern in eine Gießform für Betonteile
DE3413291A1 (de) * 1984-04-09 1985-10-17 Wagener & Polascheck Vertriebsgesellschaft mbH, 4800 Bielefeld Vorrichtung zum einlegen von transportankern in betonfertigteile
JPS61125747A (ja) * 1984-11-26 1986-06-13 Tachikawa Spring Co Ltd テンシヨンスプリングの自動装着装置
DE3543195C2 (de) * 1985-12-06 1995-04-20 Prinzing Georg Gmbh Co Kg Verankerungsbolzen für Betonteile sowie Verfahren und Vorrichtung zum Einbringen und Einbetonieren solcher Verankerungsbolzen
US4726562A (en) * 1986-07-22 1988-02-23 Dayton Superior Corporation Apparatus for casting an anchor in a concrete unit

Also Published As

Publication number Publication date
AU3204389A (en) 1989-10-05
DK200090D0 (da) 1990-08-21
DK166950B1 (da) 1993-08-09
US5123825A (en) 1992-06-23
DE3808379A1 (de) 1989-09-28
WO1989008540A1 (fr) 1989-09-21
DE58900337D1 (de) 1991-11-07
DK200090A (da) 1990-08-21
EP0408593A1 (fr) 1991-01-23

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