EP0678472B1 - Universalhaken zum Heben von Betonfertigteilen - Google Patents

Universalhaken zum Heben von Betonfertigteilen Download PDF

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Publication number
EP0678472B1
EP0678472B1 EP95105557A EP95105557A EP0678472B1 EP 0678472 B1 EP0678472 B1 EP 0678472B1 EP 95105557 A EP95105557 A EP 95105557A EP 95105557 A EP95105557 A EP 95105557A EP 0678472 B1 EP0678472 B1 EP 0678472B1
Authority
EP
European Patent Office
Prior art keywords
ring
hooking
anchor blade
openable
anchor
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.)
Revoked
Application number
EP95105557A
Other languages
English (en)
French (fr)
Other versions
EP0678472A2 (de
EP0678472A3 (de
Inventor
Federico Pignoni
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.)
LANCHEM SpA
Original Assignee
LANCHEM SpA
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Filing date
Publication date
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Priority claimed from ITUD940062 external-priority patent/IT1267219B1/it
Priority claimed from ITUD940063 external-priority patent/IT1267220B1/it
Application filed by LANCHEM SpA filed Critical LANCHEM SpA
Publication of EP0678472A2 publication Critical patent/EP0678472A2/de
Publication of EP0678472A3 publication Critical patent/EP0678472A3/de
Application granted granted Critical
Publication of EP0678472B1 publication Critical patent/EP0678472B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
    • B66C1/666—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof for connection to anchor inserts embedded in concrete structures

Definitions

  • This invention has for object a universal hooking system or articulated hoisting shackle for the lifting of concrete products.
  • the central tooth solution (Fig.11) is the most disadvantageous one.
  • the sidewalls have the form of tilted shoulders and do not contribute to supporting the hooking ring to maintain it upright.
  • the lateral tooth solution is better than the central tooth one, but presents the drawback that the lateral tooth can be easily burred, that is deformed on the outer side, not having other support than that of the concrete edge that fixes it immediately under the surface.
  • the aim of the present invention is to obviate the above-mentioned drawbacks.
  • the ring must remain necessarily upright at least on the side of the stop on the respective shoulder, while it may be rotated in the opposite direction.
  • said increased width portion to form a shoulder is made on both sides therefore the supporting shoulders are operable be it on one side and on the other.
  • the stress force by rotation of the ring is contrasted by said tilted surface with a stress caused substantially by compression, whereupon the shearing by cutting may be avoided.
  • the anchor bolt 2 is of blade type and the feet are divaricated for the fixing into the concrete and has internal holes (24) for the passage of iron in the concrete and recesses (23) for the clamping between irons fixed into the concrete.
  • the anchor bolt has an upper extremity that generally comes out from the surface of fixation into the concrete (in a shell so that it does not protrude) which has an ovoid hole (22) in order to favour the insertion of the latch hook of the ring that for this purpose can also advantageously be in elongate section, thereby improving the traction resistance and helping to resist against the rotation in said hole.
  • anchor bolt terminates on the upper surfacewith a central tooth, having a trapezoidal form (21) while the shoulders (20) remain orthogonal to the axis of the anchor bolt (2), serving as further support for the first hooking ring.
  • the loose ensemble ring (1) includes an openable ring (12) that hooks, with a rotatable latch (121) within a semicircular sheath (120), both the anchor bolt by means of its hole (22) and a second handle ring (11) that instead can rotate on the first.
  • the first openable hooking ring (12) contains the rotatable latch (121) within a semi-annular sheath (120), opened on the lower side with a notch (1202) of width equal to the thickness of the blade of the anchor bolt, in order that it can be inserted when latch (121) is drawn in, and so that the hole of the sliding sheath of the latch and the hooking hole of the anchor bolt (22) coincide.
  • said latch may be rotated passing through the hole of the anchor bolt (22), thereby hooking it.
  • sheath (120) has a toroidal upper semi-ring narrower on the upper side (1201) that for 180° can allow the free rotation of the second ring (11) that will be able to be hooked by a crane over the concrete surface of the product.
  • the sheath of the first ring (21) has:
  • FIG. 3 The anchor bolt illustrated in Fig. 3 is shown with said trapezoidal extension or tooth (21), with the presence of shoulder shaped orthogonal stop endings (20).

Claims (7)

  1. Ankerhaksystem zur Befestigung in einem Zementprodukt, um es zu heben, mit:
    einem Ankermesser (2) zur Einführung in den Zement des zu hebenden Produkts (26), mit einer Längsachse und mindestens einer Haköffnung (22), die außerhalb der Befestigungs-Oberfläche des Zementprodukts liegen soll, damit ein Hebe-Hakring (1) in besagte Öffnung (22) eingeführt werden kann, wobei das an besagter Haköffnung liegende Ende mit mindestens zwei gegenüberliegenden seitlichen Stützabsätzen (20) ausgestattet ist, die im wesentlichen rechtwinklig zur Längsachse des Ankermessers liegen;
    einem angelenkten Hebbügel (1) mit:
    einem Verbindungselement (11) und einem aufmachbaren Riegelhakring (12) mit einem Gehäuse und einem darin gleitenden Hakelement (121);
    wobei das Verbindungselement (11) mit besagtem aufmachbaren Ring (12) vermascht ist und der aufmachbare Ring besagtes Ankermesser (2) durch Eingreifen des besagten Hakelements durch besagte Haköffnung (22) einhaken kann;
    wobei besagter aufmachbarer Ring (12) eine Vertiefung (1202) zum Eingreifen des Kopfes des besagten Ankermessers (2) aufweist, um Rotation zu verhindern, indem der Ring gezwungen wird, immer in Linie mit der Achse des besagten Ankermessers zu bleiben (2),
    gekennzeichnet dadurch, daß besagtes Gehäuse ein breiteres Teilstück in dem Bereich der Vertiefung aufweist, um eine Schulter zu bilden, die senkrecht zu der Ebene des Anschlagrings (1203) verläuft, mit besagten Stützabsätzen (20) des besagten Ankermessers (2) mindestens auf einer Seite, und die Vertiefung ist von trapezförmiger Form, um in eine entsprechende trapezförmige Ausweitung (21) des Ankermessers einzugreifen (2).
  2. Ein angelenkter Hebbügel (1) mit:
    einem Verbindungselement (11) und
    einem aufmachbaren Riegelhakring (12) mit einem Gehäuse und einem hakenden Element (121), das darin gleitet;
    wobei das Verbindungselement mit dem aufmachbaren Ring vermascht ist und der aufmachbare Ring ein zu hebendes Produkt durch Gleiten des Hakelements innerhalb des Gehäuses (121) und in Eingriff mit dem Produkt einhaken kann;
    wobei besagter aufmachbarer Ring eine Vertiefung (1202) in besagtem Gehäuse zum Eingriff mit einem Kopf eines Ankermessers (2) aufweist, um Rotation zu verhindern, indem man ihn zwingt, immer in Linie mit der Achse des besagten Ankermessers (2) zu bleiben und Rotation seitlich von dem Ring um besagtes Hakelement herum zu verhindern, gekennzeichnet dadurch, daß besagter aufmachbarer Riegelhakring (12) ein breiteres Teilstück in dem Bereich der Vertiefung aufweist, um eine Schulter (1203) zu bilden, die senkrecht zu der Ebene des Rings verläuft, zwecks Anschlags mit mindestens einer entsprechenden Schulter auf dem Produkt, wobei die Vertiefung von trapezförmiger Form ist, um in eine betreffende trapezförmige Ausweitung (21) des Ankermessers einzugreifen (2).
  3. System nach Anspruch 1, gekennzeichnet dadurch, daß besagtes breiteres Teilstück (120) in besagtem Riegelhakring (12) sich auf beide Seiten erstreckt, um Rotation nach beiden Seiten zu verhindern.
  4. Angelenkter Hebbügel (1) nach Anspruch 2, gekennzeichnet dadurch, daß besagtes breiteres Teilstück (120) in besagtem Riegelhakring (12) sich auf beide Seiten erstreckt, um Rotation auf beiden Seiten zu verhindern.
  5. Hebbügel wie definiert in Anspruch 2, gekennzeichnet dadurch, daß besagtes Gehäuse eine halbringförmige Hülle hat (120).
  6. Hebbügel wie definiert in Anspruch 5, gekennzeichnet dadurch, daß besagte vergrößerte Breite zu beiden Seiten vorhanden ist, so daß ein Anschlag (1203) gebildet wird, um auf der entsprechenden Schulter (20) auf beiden Seiten eines der besagten Ankermesser zu ruhen.
  7. Ankermesser (2) für den Gebrauch in einem Ankerhaksystem nach Anspruch 1, mit einem zentralen Paßzahn (21), der in besagte Vertiefung paßt (1202), gekennzeichnet dadurch, daß besagter zentraler Zahn (21) über besagter Öffnung (22) in besagtem Ankermesser (2) geneigte seitliche Oberflächen (211) aufweist, so daß im wesentlichen ein trapezförmiger zentraler gleichschenkliger Vorsprung gebildet wird, dessen längere parallele Seite die Basis mit geradlinigen Absätzen (20) bildet, die seitlich auf einer Seite und auf der anderen rechtwinklig zu der Achse des Ankermessers und entlang seiner ganzen Breite verlaufen, auf welchen Absätzen die entsprechenden seitlichen Absätze (1203) des besagten ersten Ringes (12) ruhen können.
EP95105557A 1994-04-19 1995-04-12 Universalhaken zum Heben von Betonfertigteilen Revoked EP0678472B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITUD940062 IT1267219B1 (it) 1994-04-19 1994-04-19 Sistema di aggancio perfezionato per il sollevamento di manufatti in calcestruzzo
ITUD940063 1994-04-19
ITUD940062 1994-04-19
ITUD940063 IT1267220B1 (it) 1994-04-19 1994-04-19 Sistema di aggancio universale per il sollevamento di manufatti in calcestruzzo

Publications (3)

Publication Number Publication Date
EP0678472A2 EP0678472A2 (de) 1995-10-25
EP0678472A3 EP0678472A3 (de) 1995-12-13
EP0678472B1 true EP0678472B1 (de) 1999-08-11

Family

ID=26332509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105557A Revoked EP0678472B1 (de) 1994-04-19 1995-04-12 Universalhaken zum Heben von Betonfertigteilen

Country Status (4)

Country Link
EP (1) EP0678472B1 (de)
AT (1) ATE183172T1 (de)
DE (1) DE69511312D1 (de)
ES (1) ES2138103T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4119487A1 (de) * 2021-07-14 2023-01-18 Illinois Tool Works Inc. Kupplung mit anschlagflächen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052986B4 (de) * 2005-12-10 2015-08-20 J. D. Theile Gmbh & Co. Kg Anschlagpunkt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2240171C3 (de) * 1972-08-16 1975-06-05 Frimeda Metall- Und Drahtwarenfabrik Siegfried Fricker, 7131 Wiernsheim Transportanker
DE2704435C3 (de) * 1977-02-03 1981-04-16 Frimeda Metall- Und Drahtwarenfabrik Siegfried Fricker, 7135 Wiernsheim Aufstell- und Transportanker für Betonfertigteilplatten
US4538850A (en) * 1983-03-07 1985-09-03 Vito Nicholas A De Hoisting and shackle system
IT1255140B (it) * 1992-05-06 1995-10-20 Benito Zambelli Dispositivo per il sollevamento di manufatti prefabbricati, in particolare in calcestruzzo o simili.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4119487A1 (de) * 2021-07-14 2023-01-18 Illinois Tool Works Inc. Kupplung mit anschlagflächen

Also Published As

Publication number Publication date
ATE183172T1 (de) 1999-08-15
EP0678472A2 (de) 1995-10-25
DE69511312D1 (de) 1999-09-16
EP0678472A3 (de) 1995-12-13
ES2138103T3 (es) 2000-01-01

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