EP3868698B1 - Procédé outil de levage pour le déplacement, d'un composant comportant un support saillant - Google Patents

Procédé outil de levage pour le déplacement, d'un composant comportant un support saillant Download PDF

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Publication number
EP3868698B1
EP3868698B1 EP21154662.7A EP21154662A EP3868698B1 EP 3868698 B1 EP3868698 B1 EP 3868698B1 EP 21154662 A EP21154662 A EP 21154662A EP 3868698 B1 EP3868698 B1 EP 3868698B1
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EP
European Patent Office
Prior art keywords
radially
clamping jaws
support
region
lifting tool
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
EP21154662.7A
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German (de)
English (en)
Other versions
EP3868698A1 (fr
Inventor
Manuel Jung
Thomas Buechelmaier
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.)
ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3868698A1 publication Critical patent/EP3868698A1/fr
Application granted granted Critical
Publication of EP3868698B1 publication Critical patent/EP3868698B1/fr
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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 method for grasping and moving in a lifting direction a component having a protruding socket by means of a lifting tool, the socket being grasped by the lifting tool at an undercut that runs completely or partially radially around and into which several gripping elements of the lifting tool engage to a lifting tool having a plurality of gripping elements for gripping and moving in a lifting direction a component having a protruding nozzle according to the method.
  • Such lifting tools are used in particular for the assembly and disassembly of components for the oil supply.
  • That DE 40 13 228 C1 discloses a method and a lifting tool according to the preamble of claims 1 and 2, respectively.
  • the object of the invention is to provide a method and a lifting tool of the type mentioned above, the method being easy to assemble and disassemble the component on a unit and the lifting tool has a simple and easy-to-handle structure.
  • the lifting tool has a cylindrical carrier, one first end area of which can be grasped manually and a gripping arrangement for grasping the nozzle of the component is arranged on the other second end area, with a sleeve on the carrier the gripping arrangement is arranged to be axially displaceable between a release position and a gripping position, which has a cup-like extension at one end, with the cup-like extension being located outside of two or more clamping jaws in the release position, which arrange the support in a ring-like manner relative to one another on the second end region of the support enclose and are movably guided on the carrier between a radially maximum position and a radially minimum position and are spring-loaded into their radially maximum position, the clamping jaws having a second end region of the carrier Gripping area protrude axially and have radially inwardly directed projections on the gripping area, which are located radially outside of the socket in the radially maximum
  • a cylindrical carrier has a manually graspable first end area and a second end area, with a gripping arrangement being arranged on the second end area, with a sleeve of the gripping arrangement arranged to be displaceable on the carrier, which with a guide area between a release position and a gripping position, and which has a cup-like extension at one end, wherein in the release position the cup-like extension is located outside of two or more clamping jaws, which arrange the support in a ring-like manner relative to one another on the second end area of the support and enclose the carrier and which are movably guided on the carrier between a radially maximum position and a radially minimum position and are spring-loaded into their radially maximum position, the clamping jaws having a gripping area over the second end region of the carrier protrude axially and have radially inwardly directed projections on the gripping area and wherein the cup-like extension is pushed axially onto
  • the method according to the invention and the design according to the invention allow the lifting tool, which consists of few and simply designed components, to be simply placed on the lifting tool and grip the connection piece of the component with its clamping jaws located in the radially maximum position. Then only the sleeve moves from its release position to its gripping position manually shifted, whereby the cup-like extension is slipped over the outer contour of the clamping jaws and the clamping jaws are moved into their radially minimum position. The radially inwardly directed projections of the clamping jaws engage in the undercut of the socket and connect it with the lifting tool in a form-fitting manner. The component can now be moved manually together with the lifting tool into an installation position or out of an installation position on a unit.
  • the clamping jaws gradually move radially inward when the pot-like extension of the sleeve is slipped over the clamping jaws.
  • the sleeve can also be locked in its release position.
  • the lifting tool shown has a tubular carrier 1 with a cylindrical outer contour.
  • the carrier 1 has a manually detectable first end region 2 for an operator to grasp.
  • a gripping arrangement 4 for gripping and holding a socket 5 of a component is arranged on the opposite second end region 3 of the carrier 1, which is gripped by means of the lifting tool and moved to a mounting position on a unit (not shown), such as an oil pump, or out of the mounting position shall be.
  • a sleeve 6 of the gripping arrangement 4 On the cylindrical outer contour of the carrier 1 is a sleeve 6 of the gripping arrangement 4 with a guide area 35 surrounding the sleeve 6 between a release position closer to the first end area 2 and a release position in figure 1 shown, the second end portion 3 closer detection position out.
  • the sleeve 6 is radially enlarged to form a pot-like extension 7 adjoining the guide region 35 .
  • the radially circumferential outer contour of the clamping jaws 9, 9' tapers at the end facing the first end region 2 of the carrier 1 as a cone 12, with the outer contour of the clamping jaws 9, 9' in their radially minimum position corresponding to the inner contour of the cup-like extension 7 , so that the clamping jaws 9, 9 'are acted upon by the pot-like extension 7 of the sleeve 6 in their detection position in their radially minimum position.
  • the jaws 9, 9' are moved diametrically away from each other radially outwards into their radially maximum position in which the outer contour of the jaws 9, 9' then a has stadium-like peripheral contour. This takes place in the release position of the sleeve 6, in which the pot-like extension 7 is located axially outside the area of the clamping jaws 9, 9'.
  • the clamping jaw 9 has threaded bores 14 at its ends facing the free ends of the clamping jaw 9', which are opposite stop bores 15 formed coaxially in the clamping jaw 9'.
  • the stop bores 15 initially have the same diameter as the thread of the threaded bores 14 in order to merge into a step 16 of larger diameter in their end region facing away from the clamping jaw 9 .
  • Stop screws 17 are passed through the stop bores 15 and are screwed into the threaded bores 14 with their threaded shank.
  • the inner contour of the clamping jaws 9, 9' is designed in steps, with the part closer to the second end area 3 of the carrier 1 forming the larger step 22 and the part closer to the first end area 2 forming the smaller step.
  • the clamping jaws 9, 9' which are in their radially maximum position, are placed with their large step 22 of the inner contour on the socket 5 until the radial transition from the large step to the small step of the inner contour of the clamping jaws 9 , 9 'on the end face 23 of the socket 5 comes to rest.
  • projections 24 directed radially inwards are located radially opposite an undercut 25 formed radially circumferentially on the radially encircling contour of the connecting piece 5 .
  • the cup-like extension 7 of the sleeve 6 is slipped over the clamping jaws 9, 9' and the clamping jaws 9, 9' are thereby shifted from their radially maximum position to their radially minimum position moved radially inward.
  • the lugs 24 engage in the undercut 25 of the socket 5 and grip the socket 5.
  • the component having the socket 5 can now be moved away from a unit in a lifting direction 26 or counter to the lifting direction 26 towards the unit by means of the lifting tool.
  • the carrier 1 has a radially projecting guide projection 27 which projects into a radially continuous guide groove 28 in the guide area 35 of the sleeve 5 .
  • the guide groove 28 has a central region 29 extending in the direction of longitudinal extent of the carrier 1, at the end of which is further away from the clamping jaws 9, 9' a first transverse region 30 extending transversely to the longitudinal extent of the carrier 1 and at its second end closer to the clamping jaws 9, 9' a cross to Longitudinal extent of the carrier 1 extending second transverse region 31 adjoins.

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

Claims (10)

  1. Procédé permettant de saisir et de déplacer dans une direction de levage (26) un composant présentant un raccord faisant saillie (5) au moyen d'un outil de levage, dans lequel le raccord (5) est saisi par l'outil de levage au niveau d'une contre-dépouille (25) radialement périphérique de manière complète ou partielle dans laquelle viennent en prise plusieurs éléments de préhension de l'outil de levage, dans lequel l'outil de levage présente un support cylindrique (1) dont une première zone d'extrémité (2) peut être saisie manuellement et à l'autre deuxième zone d'extrémité (3) duquel est disposé un agencement de préhension pour saisir le raccord (5) du composant, dans lequel une douille (6) de l'agencement de préhension est disposée sur le support (1) de manière axialement coulissante entre une position de déblocage et une position de saisie,
    caractérisé en ce que ladite douille présente à une extrémité un élargissement (7) en forme de pot, dans lequel, dans la position de déblocage, l'élargissement en forme de pot (7) se trouve à l'extérieur de deux ou de plusieurs mâchoires de serrage (9, 9') qui entourent le support (1) au niveau de la deuxième zone d'extrémité (3) du support (1) en étant disposées en forme d'anneau l'une par rapport à l'autre, et sont guidées sur le support (1) de manière mobile entre une position radialement maximale et une position radialement minimale et sont sollicitées par ressort dans leur position radialement maximale, dans lequel les mâchoires de serrage (9, 9') font saillie axialement au-delà de la deuxième zone d'extrémité (3) du support (1) avec une zone de préhension et présentent au niveau de la zone de préhension des embouts (24) orientés radialement vers l'intérieur qui se trouvent dans la position radialement maximale des mâchoires de serrage (9, 9') radialement à l'extérieur du raccord (5) et viennent en prise dans la contre-dépouille (25) du raccord (5) dans la position radialement minimale, dans lequel le contour extérieur radialement périphérique des mâchoires de serrage (9, 9') dans sa position radialement maximale est plus grand que le contour intérieur radialement périphérique de l'élargissement en forme de pot (7) de la douille (6), et le coulissement de la douille (6) dans sa position de saisie fait que l'élargissement en forme de pot (7) est emmanché axialement sur les mâchoires de serrage (9, 9') et que les mâchoires de serrage (9, 9') sont déplacées radialement vers l'intérieur dans leur position radialement minimale.
  2. Outil de levage comprenant plusieurs éléments de préhension pour saisir et déplacer dans une direction de levage (26) un composant présentant un raccord faisant saillie (5) selon le procédé selon la revendication 1, dans lequel un support cylindrique (1) présente une première zone d'extrémité (2) pouvant être saisie manuellement et une deuxième zone d'extrémité (3), dans lequel un agencement de saisie est agencé au niveau de la deuxième zone d'extrémité (3) avec une douille (6) de l'agencement de saisie, disposée de manière coulissante sur le support (1) et qui est coulissante axialement avec une zone de guidage entre une position de déblocage et une position de saisie et qui présente à une extrémité de celle-ci un élargissement en forme de pot (7), dans lequel, dans la position de déblocage, l'élargissement en forme de pot (7) se trouve à l'extérieur de deux ou de plusieurs mâchoires de serrage (9, 9') qui entourent le support (1) au niveau de la deuxième zone d'extrémité (3) du support (1) en étant disposées en forme d'anneau l'une par rapport à l'autre, et qui sont guidées sur le support (1) de manière mobile entre une position radialement maximale et une position radialement minimale et sont sollicitées par ressort dans leur position radialement maximale, dans lequel les mâchoires de serrage (9, 9') font saillie axialement au-delà de la deuxième zone d'extrémité (3) du support (1) avec une zone de préhension et présentent au niveau de la zone de préhension des embouts (24) orientés radialement vers l'intérieur, et dans lequel le coulissement de la douille (6) dans sa position de saisie fait que l'élargissement en forme de pot (7) est emmanché axialement sur les mâchoires de serrage (9, 9') et que les mâchoires de serrage (9, 9') sont mobiles radialement vers l'intérieur dans leur position radialement minimale.
  3. Outil de levage selon la revendication 2, caractérisé en ce que les mâchoires de serrage (9, 9') prennent appui l'une sur l'autre de manière élastique dans la direction radialement périphérique.
  4. Outil de levage selon l'une quelconque des revendications 2 et 3, caractérisé en ce que le contour extérieur radialement périphérique des mâchoires de serrage (9, 9') est réalisé en s'effilant sous forme de cône (12) à l'extrémité tournée vers la première zone d'extrémité (2) du support (1).
  5. Outil de levage selon l'une quelconque des revendications 2 à 4, caractérisé en ce que le contour intérieur des mâchoires de serrage (9, 9') disposées en forme d'anneau l'une par rapport à l'autre est réalisé de manière graduée, dans lequel la partie détournée du support (1) est le gradin (22) plus grand et la partie tournée vers le support (1) est le gradin plus petit.
  6. Outil de levage selon l'une quelconque des revendications 2 à 5, caractérisé en ce que la douille (6) peut être arrêtée axialement dans la position de déblocage et/ou dans la position de saisie.
  7. Outil de levage selon la revendication 6, caractérisé en ce que la zone de guidage (35) de la douille (6), guidée de manière coulissante sur le support (1), présente une rainure de guidage (28) radialement continue dans laquelle un embout de guidage (27) du support (1) fait saillie radialement et qui présente une zone centrale (29) s'étendant dans la direction d'extension longitudinale du support (1), la première extrémité plus éloignée des mâchoires de serrage (9, 9') de laquelle est suivie d'une première zone transversale (30) et la deuxième extrémité plus proche des mâchoires de serrage (9, 9') est suivie d'une deuxième zone transversale (31), dans lequel les zones transversales (30, 31) s'étendent transversalement à l'extension longitudinale du support (1).
  8. Outil de levage selon la revendication 7, caractérisé en ce que l'extrémité, détournée de la zone centrale (29), de la deuxième zone transversale (31) est suivie d'une zone d'enclenchement (32) qui s'étend dans la direction d'extension longitudinale du support (1).
  9. Outil de levage selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (1) présente au niveau de sa deuxième zone d'extrémité (3) une bride (8) radialement périphérique s'étendant radialement vers l'extérieur, sur laquelle les mâchoires de serrage (9, 9') entourant le support (1) sont guidées de manière radialement mobile entre leur position radialement maximale et leur position radialement minimale, dans lequel les mâchoires de serrage (9, 9') présentent sur leur contour intérieur respectivement une rainure de guidage (10) radialement périphérique, correspondant à la bride (8), dans laquelle la bride (8) fait saillie.
  10. Outil de levage selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (1) présente une manette (33) au niveau de sa zone d'extrémité détournée des mâchoires de serrage (9, 9').
EP21154662.7A 2020-02-04 2021-02-02 Procédé outil de levage pour le déplacement, d'un composant comportant un support saillant Active EP3868698B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020201341.1A DE102020201341A1 (de) 2020-02-04 2020-02-04 Verfahren zum Erfassen und Bewegen in eine Heberichtung einer einen hervorstehenden Stutzen aufweisenden Komponente mittels eines Hebewerkzeugs sowie Hebewerkzeug mit mehreren Greifelementen zum Erfassen und Bewegen in eine Heberichtung einer einen hervorstehenden Stutzen aufweisenden Komponente

Publications (2)

Publication Number Publication Date
EP3868698A1 EP3868698A1 (fr) 2021-08-25
EP3868698B1 true EP3868698B1 (fr) 2022-12-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21154662.7A Active EP3868698B1 (fr) 2020-02-04 2021-02-02 Procédé outil de levage pour le déplacement, d'un composant comportant un support saillant

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EP (1) EP3868698B1 (fr)
DE (1) DE102020201341A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448817A (en) * 1944-11-11 1948-09-07 Reconstruction Finance Corp Fastening device
US2654135A (en) * 1951-06-25 1953-10-06 Adams Rite Mfg Company Releasable connection device
DE1922426U (de) 1965-05-22 1965-08-26 Saarbergwerke Ag Geraetesatz zum verspruehen zwei verschiedener fluessigkeiten aus einem druckbehaelter, insbesondere in untertagebetrieben.
US3743342A (en) * 1971-10-05 1973-07-03 Gen Motors Corp Lifting clamp
DE4013228C1 (fr) 1990-04-26 1991-06-27 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
GB2261650A (en) 1991-11-21 1993-05-26 Lanesfield Engineering Seals L Lifting pin
WO2019239413A2 (fr) 2018-06-13 2019-12-19 Nvisol Appareil de mise en prise d'objet

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Publication number Publication date
EP3868698A1 (fr) 2021-08-25
DE102020201341A1 (de) 2021-08-05

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