EP0365430B1 - Hebering für das seitliche Fassen von schweren Lasten - Google Patents

Hebering für das seitliche Fassen von schweren Lasten Download PDF

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Publication number
EP0365430B1
EP0365430B1 EP89402893A EP89402893A EP0365430B1 EP 0365430 B1 EP0365430 B1 EP 0365430B1 EP 89402893 A EP89402893 A EP 89402893A EP 89402893 A EP89402893 A EP 89402893A EP 0365430 B1 EP0365430 B1 EP 0365430B1
Authority
EP
European Patent Office
Prior art keywords
lifting ring
intermediate piece
piece
ring
load
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
EP89402893A
Other languages
English (en)
French (fr)
Other versions
EP0365430A1 (de
Inventor
Marc Lecourt
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.)
LECOURT, MARC
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
Priority to AT89402893T priority Critical patent/ATE92887T1/de
Publication of EP0365430A1 publication Critical patent/EP0365430A1/de
Application granted granted Critical
Publication of EP0365430B1 publication Critical patent/EP0365430B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B66C1/62—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

Definitions

  • the present invention relates to the taking of heavy loads, with a view to their handling, and more particularly to the lateral taking of such loads.
  • Lifting rings are known which are calculated and produced for the vertical taking of heavy loads, that is to say lifting rings which are fixed in a vertical orientation in the part to be lifted. It happens that, for convenience, some users use these known lifting rings by fixing them laterally, that is to say along a horizontal fixing axis, on heavy loads whose handling involves turning operations such as for example that fillers formed by certain molds. The stresses to which the lifting ring is then subjected in this type of handling being of a different nature from those which the latter is designed to withstand, the risk is then great that a rupture of the ring occurs during handling by being able to cause serious accidents.
  • Such known lifting rings are for example described in documents US-A-4074519, US-A-4705422, US-A-3905633 and DE-A-3435961.
  • Document US-A-4 705 422 thus describes a lifting ring for the lateral picking up of heavy loads, which comprises a body having a threaded lower part intended to be screwed into a tapped hole of the load to be handled, a support part with a diameter greater than that of the threaded lower part and a head part with a greater diameter of the support part.
  • An intermediate piece is mounted to rotate 360 ° around the support part and carries protruding radial axes around which a hooking loop pivots 360 °.
  • the object of the present invention is to remedy this drawback of conventional lifting rings and for this purpose it proposes an improved lifting ring allowing, in complete safety, the lateral grip and the handling of heavy loads.
  • the lifting ring is constituted by a monobloc assembly made of high strength steel, and it comprises a body having a threaded part continuing with a support part of larger diameter on which a piece comes to bear. intermediate in the form of a crown, of height less than that of the support part and designed to rotate 360 ° around this support part and to serve as a pivot axis, also 360 °, for a hooking loop.
  • the support part of the body of the hooking ring continues with a head part which serves as a stop for the intermediate piece and which has in its central part a hollow actuation part for the introduction of a key. Clamping.
  • the fixing by screwing of the hooking ring in the load to be handled causes the blocking of the ring body in the bottom of the load housing, the threaded part of the body as well as a certain length of the support part intermediate thereof being engaged in the housing of the load, however providing the necessary operating clearance between the load and the end of the branches of the hooking loop. It is understood that, when handling the part by means of a lifting system cooperating with the hooking loop, the lifting ring provides a resistance allowing, in the case of two lifting rings aligned on both sides of load, safely reach maximum usage loads of more than 20 tonnes (in the case of M56).
  • the two hooking rings being thus arranged in alignment on both sides of the load, to form an axis of rotation, it is understood that one can then obtain the reversal of the load.
  • the lifting ring comprises a body of high strength steel having a threaded portion 1 of large diameter which continues with a support portion 2 of a slightly larger diameter , then by a head portion 3 of an even larger diameter.
  • This head part 3 has at its central part an imprint 4 in the form of a hexagon socket for the engagement of a standard tightening key (not shown in the drawing).
  • a part 5 in the form of a crown of length less than that of the support part and having on its entire periphery an internal groove 6 intended, when the part 5 is in abutment against the part of head 3, coming opposite a peripheral groove 7 on the outer face of the support part 2.
  • the support part 2 has two projecting axes 9 projecting radially and in the extension of one another, which respectively serve as trunnions for openings 10 facing the two branches of a hooking loop. 11. Said loop 11 can therefore freely rotate 360 ° around the pins 9, this possibility of rotation being however limited to approximately 180 °, as seen in FIG. 2, when the lifting ring is fixed laterally to a load 12.
  • the positioning of the lifting ring on the load 12 is carried out by screwing, by means of a key inserted into the hollow 4 of the head part 3, until the threaded part 1 comes to lock at the bottom of the housing 13 provided in the load 12. In this position a certain part of the length of the support piece (2) is also engaged inside the housing 13 by providing an effective power take-off.
  • lifting rings according to the invention when two lifting rings according to the invention have thus been arranged laterally on the load 12, one opposite the other to form an axis of rotation, it is possible to easily turn the load through to the possibility of rotation of the part 5 on the support part 2.
  • the lifting ring according to the invention can of course also be used for ordinary lifting operations, that is to say with screwing axis vertical.
  • d (mm) 42 48 56 D (mm) 56 64 64 L (mm) 63 68 78 l (mm) 10 10 10 L + l (mm) 73 78 88 C1 (tonnes) 14 17.2 23 C2 (tonnes) 7 8.6 11.5
  • d denotes the diameter of the threaded part 1
  • D denotes the diameter of the support part 2
  • L is the minimum length of the tapped part 1
  • l is the length of the support part 2 centered in the housing of the load
  • C1 represents the maximum working load in the case of two fixing lifting rings horizontal
  • C2 represents the maximum working load in the case of a single lifting ring with vertical fixing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (3)

  1. Hebering für das seitliche Fassen von schweren Lasten, welcher einen Hauptteil mit einem mit Gewinde versehenen unteren Abschnitt (1) zum Einschrauben in eine Gewindebohrung (13) auf der handzuhabenden Last (12) aufweist, ferner mit einem Stützteil (2), dessen Durchmesser größer ist als der Durchmesser des unteren Abschnitts, und mit einem Kopfteil (3), dessen Durchmesser größer ist als der des Stützteils (2), mit einem Zwischenstück (5), das so angebracht ist, daß es um 360° um das Stützteil drehbar ist, und mit einem Einhakring (11), der um 360° um seitlich vom Zwischenstück (5) radial vorstehende Achsen (9) drehbar ist,
    dadurch gekennzeichnet, daß die Bestandteile (1, 2, 3, 5, 11) des Heberings eine Einblockgruppe bilden, und daß ein unterer Abschnitt des Stützteils (2) des Hauptteils über das Zwischenstück (5) so übersteht, daß er so in Eingriff mit einem oberen Abschnitt der Bohrung (5) gelangt, daß der untere Gewindeabschnitt (1) des Hauptteils entlastet wird, indem im Einsatz der größere Teil der Torsionskräfte aufgenommen wird.
  2. Hebering nach Anspruch 1,
    dadurch gekennzeichnet, daß im oberen Abschnitt (3) vertieft ein Betätigungsteil (4) ausgebildet ist, welches zum Zusammenwirken mit einem Sperrschlüssel ausgelegt ist.
  3. Hebering nach einem der Ansprüche 1 und 2,
    dadurch gekennzeichnet, daß das Zwischenstück (5) mit dem Stützteil (2) des Hauptteils mittels eines ringförmigen Übergangsstücks (8) verbunden ist, welches in Vertiefungen (6, 7) gegenüber dem Stützteil (2) und dem Zwischenstück (5) eingreift.
EP89402893A 1988-10-21 1989-10-20 Hebering für das seitliche Fassen von schweren Lasten Expired - Lifetime EP0365430B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89402893T ATE92887T1 (de) 1988-10-21 1989-10-20 Hebering fuer das seitliche fassen von schweren lasten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8813817A FR2638150B1 (fr) 1988-10-21 1988-10-21 Anneau de levage perfectionne pour la prise laterale de charges lourdes
FR8813817 1988-10-21

Publications (2)

Publication Number Publication Date
EP0365430A1 EP0365430A1 (de) 1990-04-25
EP0365430B1 true EP0365430B1 (de) 1993-08-11

Family

ID=9371195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89402893A Expired - Lifetime EP0365430B1 (de) 1988-10-21 1989-10-20 Hebering für das seitliche Fassen von schweren Lasten

Country Status (5)

Country Link
EP (1) EP0365430B1 (de)
AT (1) ATE92887T1 (de)
DE (1) DE68908333T2 (de)
ES (1) ES2044180T3 (de)
FR (1) FR2638150B1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68917320T2 (de) * 1989-03-15 1994-12-08 Lars Enebyberg Fredriksson Schwenkbare kupplungsanordnung.
FR2723770B1 (fr) * 1994-08-18 1996-10-18 Lecourt Marc Anneau de levage pour la prise laterale de charges
US5634734A (en) * 1995-10-13 1997-06-03 Jergens, Inc. Hoist device
US6068310A (en) * 1998-09-04 2000-05-30 Jergens, Inc. Hoist ring
DE69927493T2 (de) * 1999-07-09 2006-06-22 S.H.B.L. Wirbelöse zum Heben von Lasten
DE10013845C2 (de) * 2000-03-15 2003-04-24 Rud Ketten Rieger & Dietz Anschlußvorrichtung
PT1164106E (pt) * 2000-06-15 2007-02-28 S H B L S A Anel de levantamento
US6443514B1 (en) 2001-09-17 2002-09-03 Jergens, Inc. Hoist ring
CN102896368A (zh) * 2012-09-22 2013-01-30 无锡华联精工机械有限公司 环缝清根铣边机的起吊结构
FR3045587B1 (fr) * 2015-12-18 2018-02-09 Societe Colin Milas Anneau de levage a verrouillage tangentiel

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178984A (en) * 1963-02-01 1965-04-20 Charles F Barothy Screw dowel
US3905633A (en) * 1974-09-30 1975-09-16 Caterpillar Tractor Co Swivel mounted lifting eye for engines
US4074519A (en) * 1977-03-31 1978-02-21 American Hoist & Derrick Company Swivel shackle
DE2906616A1 (de) * 1979-02-21 1980-08-28 Krell Anschlagmittel fuer zu bewegende lasten
US4290638A (en) * 1979-10-17 1981-09-22 Superior Concrete Accessories, Inc. Apparatus for releasable connection to an embedded member
DE3403762A1 (de) * 1984-02-03 1985-08-14 Festo KG, 7300 Esslingen Einrichtung zur loesbaren befestigung eines spaltkeils an einer saege
US4557513A (en) * 1984-04-11 1985-12-10 The Boeing Company Method and apparatus for lifting a block
DE3435714C2 (de) * 1984-09-25 1986-11-06 Rud-Kettenfabrik Rieger & Dietz Gmbh U. Co, 7080 Aalen Anschlußvorrichtung
DE3435961A1 (de) * 1984-09-29 1986-04-17 Müller & Borggräfe KG, 5820 Gevelsberg Vorrichtung fuer den anschluss eines oder mehrerer zugstraenge an einer last
US4705422A (en) * 1986-08-08 1987-11-10 Cbc Industries, Inc. Multi-position fixture
US4699410A (en) * 1986-08-28 1987-10-13 Seidel Richard E Swivel connector for hoists and the like

Also Published As

Publication number Publication date
FR2638150B1 (fr) 1990-12-28
ES2044180T3 (es) 1994-01-01
DE68908333D1 (de) 1993-09-16
EP0365430A1 (de) 1990-04-25
ATE92887T1 (de) 1993-08-15
DE68908333T2 (de) 1994-03-10
FR2638150A1 (fr) 1990-04-27

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