EP2265536B1 - Moyen d accrochage et système de levage de charge destiné à être utilisé avec un tel moyen d accrochage - Google Patents

Moyen d accrochage et système de levage de charge destiné à être utilisé avec un tel moyen d accrochage Download PDF

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Publication number
EP2265536B1
EP2265536B1 EP09735497.1A EP09735497A EP2265536B1 EP 2265536 B1 EP2265536 B1 EP 2265536B1 EP 09735497 A EP09735497 A EP 09735497A EP 2265536 B1 EP2265536 B1 EP 2265536B1
Authority
EP
European Patent Office
Prior art keywords
load
lifting means
load hoisting
stop means
hoisting system
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.)
Not-in-force
Application number
EP09735497.1A
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German (de)
English (en)
Other versions
EP2265536A1 (fr
Inventor
Helmut Rube
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.)
Carl Stahl GmbH
Original Assignee
Carl Stahl 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 Carl Stahl GmbH filed Critical Carl Stahl GmbH
Publication of EP2265536A1 publication Critical patent/EP2265536A1/fr
Application granted granted Critical
Publication of EP2265536B1 publication Critical patent/EP2265536B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 invention relates to a load lifting system for use with a stop means with an anchor member which is connectable or connected to a load to be moved, and with a contact part with at least one transfer surface for the attack of a lifting means, comprising a lifting means having a carrier housing in in that the contact part and an adjoining part of the shaft part of the anchor part of the stop means are receivable and on the inside concavely curved surface parts which form the support surface for interaction with the transfer surface on the abutment part of the stop means itself or with protruding faces, the concave Surface parts for the interaction with a ball part of the plant part parts of a spherical cap, wherein the carrier housing has a receiving space which surrounds the ball part and the adjacent shaft part in the state of entanglement with the stop means, wherein the carrier housing is bell-shaped.
  • Such a load lifting system is off FR 2 884 239 A1 known.
  • the known load lifting system for lifting an internal combustion engine comprises a receiving part for the lifting means and a fastening part for fastening the load lifting system to the engine.
  • the parts of the attachment and the receptacle are separable from each other, their installation is realized by means of a quick and removable mounting.
  • the load lifting system further comprises means for locking the parts of the attachment and the receptacle in the mounting position.
  • the DE 197 31 41 U1 discloses, for example, a stop means which is embedded in a concrete precast element to be transported.
  • An advantage of such a stop means is that the handling is simple and convenient, because the entanglement for attaching the lifting means is formed by embracing the transmission surface located on the stop means by a concave support surface of the lifting means. Measures such as the operation of screws or the like omitted.
  • entanglement and Enthakung can accomplish in a similar convenient manner, as is the case when attaching or unhooking the hooks of cranes or similar hoists on An von Kunststoff Kunststoff the loads to be manipulated.
  • the known slings of this type are designed for specific applications, as is the case with the handling of precast concrete, where the line of action of the tensile force between the stop means and lifting means a predetermined tensile direction corresponds, in which for the attack der.Trägeramide the lifting device on the Transmission surface of the lifting means results in a specific point of attack, so that there is no danger of Enthakung given the concavity.
  • the invention has the object to improve a load lifting system for use with a stop means to the effect that while maintaining the advantages of ease of use reliable operation is also possible for more universal purposes, especially in case by case different Tensile directions of tensile forces acting on the lifting means. This should take place in the state of lack of traction no unintentional Enthakung.
  • a load lifting system having the features of claim 1 in its entirety.
  • the invention relates to a load lifting system for use with a stop means, wherein the load lifting system has a special feature that the provided recesses in the ball carrier housing by a slot in the bottom part with a passage of the shaft portion of the stop means enabling width and a subsequent breakthrough in the slot the side wall are formed, which allows the passage of the ball part of the stop means.
  • a pivotable about an axis to the main axis and the longitudinal axis of the slot pivotable flap is provided, which is movable in a breakthrough partially blocking position for securing the VerhakungsShes or in a breakthrough releasing position, preferably the flap is biased in the blocking position.
  • the carrier housing is designed as a ball carrier housing like a bell with a bottom part opposite upper part, where there is a point of attack for the load lifting means generated by the lifting means, for example in the form of a chain or a rope, wherein the line of action of the tensile force extending from bottom to top part of the main axis Ball carrier housing defined.
  • the arrangement may be made such that recesses for movements of the stop means in the interior of the ball carrier housing and out of this prescribe a direction perpendicular to the main axis of movement.
  • a ball hook is formed, in which the entanglement comes about by a relative to the main axis of the ball carrier housing transverse movement relative to the stop means.
  • the transfer surface is formed at least partially convexly curved or formed by area areas, which are circumscribed at the contact part of a convexly curved envelope.
  • the sling can also, without being in direct connection with a load, are used.
  • the arrangement may be such that the shank portion of the sling means is connected to a load hook, as is commonly attached to crane ropes or chains, and for suspending load harnesses or the like.
  • FIG. 1 Lifting means designated as a whole with 1 has a metallic ball carrier housing 3, which is closed at the upper end by an upper part 5, which is integrally formed with the rest of the housing as a circular cover plate having at a distance from each other upwardly projecting leg-like projections 7, between them a point of attack for serving as a traction means steel chain 9 is formed.
  • a bell-shaped side wall 11 extending to a bottom part 13 of the ball carrier housing 3 extends.
  • a receiving space 15 is formed between the upper part 5 and the bottom part 13, which approximately from the upper part 5 against the bottom part 13 toward circular cylindrical extends, but the circular cylindrical shape ends before the inside of the bottom part 13.
  • the Fig. 2 shows in a separate representation the designated as a whole with 17 stop means.
  • the stop means 17 is a one-piece, rotationally symmetrical metal part and has three main parts, namely a circular shaft part 19 with an adjoining in the drawing end ball part 21 and at the other, underlying end subsequent threaded pin 23rd
  • a circular annular flange forming collar 25 At the transition of the shaft portion 19 in the threaded pin 23 is a circular annular flange forming collar 25, the diameter of which in the example shown is greater than the diameter of the ball member 21 and about twice as large as the diameter of the threaded pin 23.
  • the threaded pin 23rd facing bottom of the collar 25 forms a flat annular surface, whose function is discussed below.
  • the ball member 21 forms, based on a located on the vertical axis 29 center of curvature 31, a part of a spherical body 33, which, starting from the end of the shaft portion 19, to a ring portion 35 extends, where the curvature relative to the previous spherical radius merges into a radius of curvature , which in the example shown is smaller by a factor of 2.5 than the radius of the spherical body 33.
  • a flat flattening 39 joins as an end face of the ball member 21.
  • Fig. 3 shows the state of entanglement of the lifting means 1 with the stop means 17, which is screwed by means of its threaded pin 23 with a load 41 so that the shaft portion 19 on the flat outer side 43 of the load 41 protrudes.
  • Fig. 1 and 3 It can be seen here is the annular surface 27 on the collar 25, which forms an extension of the shaft 19, on the outer side 43 of the load 41 as a support surface.
  • the collar 25 in the example shown on two diametrically opposite flats 45, which allow the tightening of the screw by means of a rotary tool, such as open-end wrench.
  • a rotary tool such as open-end wrench.
  • an internal or external hexagon could be provided on the head-side flattening 39.
  • Fig. 1 and 3 The design of the inside of the bottom part 13 of the ball carrier housing 3 is made Fig. 1 and 3 recognizable.
  • a central, continuous straight slot 47 located in the bottom part 13 is a central, continuous straight slot 47, the width of which is slightly larger than the diameter of the shaft part 19 of the stop means 17.
  • the slot 47 thus forms an insertion path, along which the stop means 17 can be inserted into the interior of the receiving space 15.
  • an opening 51 formed in the side wall 11 of the ball carrier housing 3 adjoins at the end 49 of the slot 47 forming an entrance area, which forms a kind of round window which extends into the vicinity of the upper part 5.
  • the window size of this aperture 51 is selected so that when the stem 19 of the stop means 17 is inserted along the slot 47, the ball member 21 may enter the receiving space 15 through the aperture 51.
  • the inside of the bottom part 13 is shaped so that concave surface parts are present, which form a carrier surface for the transmission of tensile force for the installation of the convex transfer surface 34 of the stop means 17.
  • concave surface parts which form a carrier surface for the transmission of tensile force for the installation of the convex transfer surface 34 of the stop means 17.
  • close to both sides of the slot 47 to each of these parts of a spherical cap 53 which are adapted to the transfer surface 34 on the spherical body 21 of the stop means 17 so that under load a coupling connection in the manner of a ball joint assembly between ball portion 21 of the stop means 17 and the ball carrier housing 3 is formed.
  • the interaction of the convexity on the stop means 17 with the concavity on the ball carrier housing 3 not only enables safe power transmission at any rotational positions of the ball carrier housing 3 relative to the stop means 17, but also at different angles of inclination between the main axis of the ball carrier housing 3 and the axis 29 of the stop means 17, wherein the shaft 19 moves within the slot 47 of the ball carrier housing 3.
  • This interaction of ball member 21 and Kugelkalotten vom 53 prevents under load hooking by the positive encompassing of the effective surface of the spherical body 33, up to angles of inclination of about 90 degrees, so that a respective load 41 can be struck laterally if necessary in the manner like this in Fig. 4 is shown.
  • a kind of hook safety is provided in the present example, which provides a blocking flap 55 which is pivotally mounted about an axis 57 which extends within a recess 59 extends in the upper part 5 perpendicular to the main axis of the ball carrier housing 3 and perpendicular to the longitudinal direction of the slot 47 in the bottom part 13.
  • the so-mounted flap 55 is in a breakthrough 51 partially occlusive locking position, as in Fig. 1 and 3 is shown pivoting.
  • the extension of the stop means 17 is not possible in this position, because in the extension movement along the Kalotten vom 53, a relative movement of the ball member 21 in the receiving space 15 is carried upward, so that the ball member 21 starts at the flap 55.
  • the outlet is possible when the flap 55 is pivoted from the blocking position shown into the interior of the receiving space 15 out.
  • the flap 55 is resiliently biased in the blocking position shown.
  • a located in the interior of the recess 59, and therefore not visible in the figures torsion spring is located for this purpose on the axis 57th Die Fig. 1 . 4 and 6 show one from a slot opening in the upper part 5 outwardly projecting, associated with the flap 55 operating lever 61, by means of which the flap 55 is pivotable against the spring force, so that the Enthakung can be performed.
  • Fig. 7 shows a variant in which the stop means 17 does not interact directly with a respective load, but is attached with its shaft portion 19 to a load hook 63 of conventional construction.
  • the load lifting system according to the invention can thus also be used in cases in which a relevant load is already provided with means such as loops, loops or the like, which are intended for transport with normal crane hooks.
  • the transfer surface 53 is formed in each case by parts of the spherical cap 53 itself, so that a large-scale contact with the transfer surface 34 on the spherical body 21 of the stop means 17 comes under load.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Clamps And Clips (AREA)

Claims (7)

  1. Système de levage de charge à utiliser avec un moyen (17) d'accrochage, comprenant une partie d'ancrage, qui est reliée à une charge (41) à déplacer ou qui peut l'être, et une partie (21) de contact ayant au moins une surface de transmission pour l'attaque d'un moyen (1) de levage de charge,
    - comprenant un moyen (1) de levage de charge, qui a une carcasse (3) de support, dans laquelle la partie (21) de contact et une partie, voisine de celle-ci de la partie (19) de fût de la partie d'ancrage du moyen (17) d'accrochage peuvent être logées, et qui a du côté intérieur des parties (53) de surface concaves, qui forment elles-mêmes ou avec des surfaces partielles qui en font saillie la surface de support pour la coopération avec la surface (34) de transmission à la partie (21) de contact du moyen (17) d'accrochage,
    - dans lequel les parties de surface concaves ont, pour la coopération avec une partie (21) de boule de la partie de contact, des parties d'une calotte (53) sphérique,
    - dans lequel la carcasse (3) de support a un espace (15) de réception, qui, à l'état d'accrochage avec le moyen (17) d'accrochage, entoure la partie (21) de boule et la partie (19) de fût voisine,
    - dans lequel la carcasse (3) de support est constituée à la manière d'une cloche et a une partie (5) supérieure opposée à sa partie (13) de fond et ayant un emplacement (7) d'attaque de la force de traction produite par le moyen (1) de levage de charge, dont la ligne d'action définit un axe principal, allant de la partie (13) de fond à la partie (5) supérieure, de la carcasse (3) de support et
    - dans lequel l'espace (15) de réception de la carcasse (3) de support entoure, dans l'état d'accrochage, la partie (21) de boule en laissant libre seulement des évidements (47, 51), qui forment l'accès à l'espace (15) de réception pour l'accrochage et le désaccrochage du moyen (17) d'accrochage,
    - caractérisé en ce que les évidements ont une fente (47) dans la partie (13) du fond d'une largeur permettant le passage de la partie (19) de fût du moyen (17) d'accrochage et, se raccordant à la fente (47), une traversée (51) dans la paroi (11) latérale, qui permet le passage de la partie (21) de boule du moyen (17) d'accrochage et
    - en ce qu'il est prévu, à la partie (5) supérieure de la carcasse (3) de support, un volet (55) pivotant autour d'un axe (57), de préférence perpendiculaire à l'axe principal et à la direction longitudinale de la fente (47), volet qui peut venir en une position obturant en partie la traversée (51) pour sécuriser l'état d'accrochage ou dans une position dégageant la traversée (51).
  2. Système de levage de charge suivant la revendication 1, caractérisé en ce que les évidements (47, 51) sont prescrits pour les déplacements du moyen (17) d'accrochage à l'intérieur de la carcasse (3) de support, ainsi que pour une direction de déplacement perpendiculaire à l'axe principal de sortie de celle-ci.
  3. Système de levage de charge suivant la revendication 1 ou 2, caractérisé en ce que des parties (53) de calotte sphérique prévues dans la partie (13) de fond se raccordent suivant un agencement symétrique l'une par rapport à l'autre aux deux bords de la fente (47).
  4. Système de levage de charge suivant la revendication 3, caractérisé en ce que des segments d'anneau de cercle, qui ont un profil ondulé en saillie radialement vers l'intérieur, forment, sur les parties (53) de calotte sphérique par leurs sommets d'ondulation, la surface de support pour la coopération avec la surface (34) de transmission du moyen (17) d'accrochage.
  5. Système de levage de charge suivant la revendication 3, caractérisé en ce que, sur les parties de calotte sphérique, un motif de bille partielle en saillie radialement forme la surface de support pour la coopération avec la surface (34) de transmission du moyen (17) d'accrochage.
  6. Système de levage de charge suivant l'une des revendications précédentes, caractérisé en ce que le volet (55) est précontraint dans la position de fermeture.
  7. Système de levage de charge suivant l'une des revendications précédentes, caractérisé en ce que le moyen (17) d'accrochage coopère avec la charge (41) par un crochet (63) de charge, qui est fixé à la partie (19) de fût du moyen (17) d'accrochage.
EP09735497.1A 2008-04-21 2009-04-20 Moyen d accrochage et système de levage de charge destiné à être utilisé avec un tel moyen d accrochage Not-in-force EP2265536B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810019912 DE102008019912A1 (de) 2008-04-21 2008-04-21 Anschlagmittel sowie Lasthebesystem für die Benutzung mit einem solchen Anschlagmittel
PCT/EP2009/002858 WO2009129975A1 (fr) 2008-04-21 2009-04-20 Moyen d’accrochage et système de levage de charge destiné à être utilisé avec un tel moyen d’accrochage

Publications (2)

Publication Number Publication Date
EP2265536A1 EP2265536A1 (fr) 2010-12-29
EP2265536B1 true EP2265536B1 (fr) 2015-12-02

Family

ID=40834343

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09734477.4A Not-in-force EP2265535B1 (fr) 2008-04-21 2009-03-27 Dispositif de préhension des charges destiné à transmettre les forces de la charge, telles que les forces de câbles ou les forces de serrage, dans le cas de structures plates
EP09735497.1A Not-in-force EP2265536B1 (fr) 2008-04-21 2009-04-20 Moyen d accrochage et système de levage de charge destiné à être utilisé avec un tel moyen d accrochage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09734477.4A Not-in-force EP2265535B1 (fr) 2008-04-21 2009-03-27 Dispositif de préhension des charges destiné à transmettre les forces de la charge, telles que les forces de câbles ou les forces de serrage, dans le cas de structures plates

Country Status (6)

Country Link
US (1) US20110031371A1 (fr)
EP (2) EP2265535B1 (fr)
AU (1) AU2009240282B2 (fr)
DE (1) DE102008019912A1 (fr)
ES (1) ES2546189T3 (fr)
WO (2) WO2009129914A1 (fr)

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FR2952046B1 (fr) * 2009-11-02 2012-08-31 A2C Prefa Systeme d'accrochage entre une charge lourde et un appareil de levage
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Also Published As

Publication number Publication date
US20110031371A1 (en) 2011-02-10
AU2009240282A1 (en) 2009-10-29
ES2546189T3 (es) 2015-09-21
EP2265535B1 (fr) 2015-07-29
WO2009129975A1 (fr) 2009-10-29
DE102008019912A1 (de) 2009-10-29
EP2265536A1 (fr) 2010-12-29
WO2009129914A1 (fr) 2009-10-29
AU2009240282B2 (en) 2012-04-26
EP2265535A1 (fr) 2010-12-29

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