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WO2002049953A1 - Ensemble accouplement debrayable, destine a des panneaux basculants - Google Patents

Ensemble accouplement debrayable, destine a des panneaux basculants

Info

Publication number
WO2002049953A1
WO2002049953A1 PCT/AU2001/001628 AU0101628W WO0249953A1 WO 2002049953 A1 WO2002049953 A1 WO 2002049953A1 AU 0101628 W AU0101628 W AU 0101628W WO 0249953 A1 WO0249953 A1 WO 0249953A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch assembly
coupling
anchor
anchor head
pin
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.)
Ceased
Application number
PCT/AU2001/001628
Other languages
English (en)
Inventor
Robert Sladojevic
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.)
Tiltform Design & Development Pty Ltd
Original Assignee
Tiltform Design & Development Pty Ltd
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 Tiltform Design & Development Pty Ltd filed Critical Tiltform Design & Development Pty Ltd
Priority to AU2002221345A priority Critical patent/AU2002221345A1/en
Publication of WO2002049953A1 publication Critical patent/WO2002049953A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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 relates to hoisting attachments, otherwise known as clutch assemblies, for erecting tilt-up concrete building components such as panels or walls and other concrete structures.
  • a clutch assembly for releasably connecting a lifting cable to an anchor embedded in a building component (such as panel), the anchor having an anchor head lying within a recess in a surface of the component, the clutch assembly comprising: a body having a portion adapted to lie within the recess partially around the anchor head, the body defining an aperture at its approximate centre; a coupling, mounted through the aperture for pivotal movement with respect to the body; a locking pin for releasably locking the body to the anchor head; and a means for releasing the locking pin from a position in which the body is locked to the anchor head; wherein the means for releasing comprises two opposed arms connected to the locking pin, each arm adapted to receive a release cable, such that in use the release cables hang either side of the clutch assembly, thereby reducing the likelihood of damage to and/or tangling of the release cables.
  • the arms extend beyond the width of the coupling.
  • a clutch assembly for releasably connecting a lifting cable to an anchor embedded in a building component (such as panel), the anchor having an anchor head lying within a recess in a surface of the component, the clutch assembly comprising: a body having a portion adapted to lie within the recess partially around the anchor head, the body defining an aperture at its approximate centre; a coupling, mounted through the aperture for pivotal movement with respect to the body; a locking pin for releasably locking the body to the anchor head; and means for releasing the locking pin from a position in which the body is locked to the anchor head, wherein the means for releasing is actuated by pivotal movement of the coupling relative to the body in a first direction followed by pivotal movement of the coupling in a second direction opposite to the first direction.
  • the means for releasing comprises a means for operably connecting the pin to the coupling so that as the coupling is rotated in the second direction, the pin is moved from the position in which the body is locked to the anchor head to a position in which the body is not locked to the anchor head.
  • the means for operably connecting the pin to the coupling comprises an actuator and a catch, the actuator mechanically linked to the catch, wherein the actuator is actuated by contact and subsequent displacement by the coupling as it rotates in the first direction.
  • the means for operably connecting the pin to the coupling comprises a catch that is self -engaging.
  • the catch is pivotally movable with respect to the pin from a retracted position, over which the coupling is free to pivot with respect to the body, to an extended position in which a portion of the catch extends radially into the path of the coupling.
  • the catch is arranged and positioned such that it deflects out of the path of the coupling during pivotal movement of the coupling relative to the body in the first direction but remains in the path of the coupling during pivotal movement of the coupling in the second direction.
  • a clutch assembly for releasably connecting a lifting cable to an anchor embedded in a building component (such as panel), the anchor having an anchor head lying within a recess in a surface of the component, the clutch assembly comprising: a body having a portion adapted to lie within the recess partially around the anchor bar, the body defining an aperture at its approximate centre; a locking pin mounted to the body for releasably locking the body to the anchor head; and a coupling, mounted through the aperture for pivotal movement with respect to the body, the coupling having an eyelet for receiving a shackle or hook, characterised in that, when the building component is lifted into a vertical position by the clutch assembly, the eyelet is orientated such that the shackle or hook will tend to an orientation substantially parallel to the surface of the building component, thereby minimising the possibility of damage to the building component by the shackle or hook.
  • the coupling and body are mutually shaped and arranged to avoid point contact of the coupling with an erected panel.
  • Fig. 1 shows a perspective view of a clutch assembly according to a first embodiment of a first aspect of the invention.
  • Fig. 2 shows a sectional side view of the clutch assembly of Fig. 1 engaged with a lifting anchor embedded in a cast concrete panel.
  • Fig. 3 shows a sectional side view similar to that of Fig. 2, but with the panel lifted into a vertical position using the clutch assembly.
  • Fig. 3a shows a clutch assembly with an alternative coupling arrangement to that shown in Fig. 3.
  • Fig. 4 shows a front view of the arrangement of Fig. 3.
  • Fig. 5 shows a perspective view of a clutch assembly according to a first embodiment of a second aspect of the invention.
  • Fig. 6 shows a side view of the clutch assembly of Fig. 5 shown in the position it adopts in the final stage of lifting a tilt-up panel (as shown in Fig. 3).
  • Fig. 7 shows a side view of the clutch assembly of Fig. 5 shown in the position it adopts after the position shown in Fig. 6 and as the tension in the lifting cable (not shown) is released.
  • Fig. 8 is a perspective view of the clutch assembly in a position shown in Fig.7.
  • Fig. 9 shows a perspective view of a clutch assembly according to a second embodiment of a second aspect of the invention.
  • Fig. 10 shows a side view of the clutch assembly of Fig. 9 shown in its position connected to a longitudinal concrete panel just before lifting.
  • Fig. 11 shows a side view of the clutch assembly of Fig. 9 shown in the position it adopts near the final stage of lifting a tilt-up panel.
  • Fig. 12 shows a side view of the clutch assembly of Fig. 9 as the tension in the lifting cable (not shown) is released.
  • Fig. 13 shows a perspective view of a clutch assembly according to a third embodiment of a second aspect of the invention.
  • Fig. 14 shows a perspective view of the clutch assembly of Fig. 13 shown from behind.
  • Figs. 15 & 16 show an exploded view of a component of a clutch assembly shown in Figs. 13 & 14.
  • Figs. 17, 18 & 19 show a side view, perspective view and top view of the clutch assembly of Figs. 13 & 14 as its coupling is being rotated upwards.
  • Figs. 20, 21 & 22 are similar to those of Figs. 18, 17 & 19 respectively showing the coupling 20 being lowered.
  • Figs. 23 & 24 show the coupling of Figs. 13 & 14 attached to a concrete panel or slab ready for lifting ("tilting up").
  • Fig. 25 shows the arrangement of Figs. 23 & 24 with the panel lifted to its vertical position ("tilted up").
  • Fig. 26 is a perspective view of a coupling of a clutch assembly according to a first embodiment of a third aspect of the invention.
  • Figs. 27 and 28 are side and front view respectively of the coupling of Fig. 13.
  • Fig. 29 is a perspective view of a coupling of a clutch assembly according to a second embodiment of a third aspect of the invention.
  • Figs. 30 to 32 are end, side and front views respectively of the coupling of Fig. 29.
  • Fig. 33 shows a perspective view of a clutch assembly according to a fourth embodiment of a second aspect of the invention.
  • Fig. 34 shows a sectional side view of the clutch assembly of Fig 33. engaged with a lifting anchor embedded in a cast concrete panel in a raised or "tilted up" position.
  • Fig. 35 shows a sectional view similar to that of Fig. 34, but with the clutch coupling being lowered.
  • a clutch assembly 10 having a body 30 and a coupling 20.
  • the body 30 is shaped to partially fit within a recess formed in a concrete panel 8.
  • the body 30 has a recess which receives the upper end of a lifting anchor 9 embedded within the concrete panel 8.
  • Body 30 houses a pin 40 that, in a position shown in Fig. 1, locks the body to the anchor head 9.
  • Coupling 20 has a loop at its proximal end which passes through an aperture 32 (as shown in Fig. 2) within body 30 thereby connecting the two components in such a way that relative rotation is possible.
  • an eyelet 25 is provided to allow connection of the clutch assembly 10 to a shackle or hook on the end of a crane cable.
  • the clutch assembly shown in Figs. 1 to 4 allows a concrete panel 8 to be lifted from a horizontal position (in which it may have been cast) to a vertical position as shown in Fig. 3 quickly, easily and safely. Once the concrete panel 8 is in its raised vertical condition the crane connected to the clutch assembly 10 through eyelet 25 of
  • a first embodiment of a second aspect of the invention is shown is perspective view in Fig. 5.
  • a means for releasing the locking pin from which the body is locked to the anchor head is actuated by pivotal movement of the coupling 20 in a first direction indicated by arrow 29 followed by a pivotal movement of the coupling 20 in an opposite direction.
  • the means for releasing the locking pin is a combination of an actuator in the form of a bar 53 and two catches in the form of U shaped clamps 51.
  • a second embodiment of the second aspect of the invention is shown in Figs. 9 to 12.
  • This embodiment of the invention differs to that of the first embodiment of the second aspect of the invention in that the means 60 for operably connecting the pin 40 to the coupling 20 comprises an actuator trigger 63 (instead of a actuator bar 53) joined to a hook 61 (instead of a U shaped clamp).
  • the means 60 is pivotally mounted for rotation about an axis coaxial with the longitudinal axis of arms 42 as shown in Fig. 9.
  • the arms 42 as shown in Fig. 9, may be deleted.
  • the clutch assembly is shown in the position it adopts in the final stage of lifting a panel into a vertical position.
  • the direction of movement of coupling 20 relative to panel 8 is indicated by arrow 29.
  • Surface 68 (on ring 29 or ring insert 28) engages trigger 63 to cause hook 61 to move upwards into engagement with surface 64.
  • the crane cable supporting coupling 20 is lowered allowing the coupling 20 to fall under gravity into the position shown in Fig. 12.
  • coupling 20 falls hook 61 is moved by its engagement with surface 64 to extract pin 40 from engagement with lifting anchor 9 thereby allowing the clutch assembly 10 to separate from the lifting anchor 9 and hence panel 8.
  • This embodiment of the invention will function irrespective of whether the coupling 20 is in line with the body 30 (as shown in Figs. 9 to 12) or inclined sideways relative to the body 30.
  • a third embodiment of the second aspect of the invention is shown in Figs. 13 to 24.
  • This embodiment of the invention differs to that of the second embodiment of the second aspect of the invention in that means 60 for operatively connecting pin 40 to the coupling 20 does not have an actuator trigger 63. Instead hook (or catch) 61 is rotatably mounted about an axle 65.
  • a bias means in the form of a leaf spring 66, is provided to bias hook 61 into the position shown on Figs. 13 &14.
  • Figs. 15 & 16 show the pin 40, hook support 43 and 42 and hook or latch 61 in exploded views. Also shown is the leaf spring 66 that is attached to the hook support 43 and is positioned to bias the hook or catch 61 into a radially extended position.
  • Figs. 23 & 24 show the clutch assembly of the third embodiment of the invention of a second aspect of the invention in the position adopted when connected to a horizontal slab or panel 8 with tension applied to the coupling 20 by a crane or other lifting means.
  • Figs. 17 to 19 show the clutch assembly 10 in a position during the lifting process where the panel is part way tilted up.
  • the ring 29 or ring eyelet 28 engages hook 61 to depress it against a bias means (not shown) in Figs. 17 to 19 to allow the coupling 20 to ride over the pin 61.
  • Fig. 25 shows the clutch assembly locked to a panel 8 in its vertical raised position.
  • Figs. 20 to 22 show the position of clutch assembly as it is released from a vertical panel 8. In this figure it can be seen that hook 61 has been engaged by surface 64 to drag pin 40 out of engagement with lifting anchor 9.
  • Figs. 33 to 34 show a fourth embodiment of a second aspect of the invention.
  • disengagement guides 70 extend from either side of arm 42.
  • the disengagement guides 70 have slots 72. Pins protrude from either side of coupling 20 into respective slots 72 as shown in Fig. 33.
  • a pin joint 46 is provided on the end of arms 42 to enable the disengagement guide 70 to rotate with respect to the arms 42.
  • Fig. 34 shows the clutch assembly 10 in its uppermost position as it would be just after lifting a panel 8 into a vertical position.
  • Fig. 35 shows the clutch assembly 10 as it is being lowered down from the position shown in Fig. 34.
  • coupling 20 is shown in the position in which pins 24 engage the end of the end 74 of slotted hole 72 thereby transferring movement from the coupling to the pin 40 through arms 42. In this way the pin 40 is automatically retracted from the body 30 to enable release of the clutch assembly 10 from the anchor 9 embedded within concrete panel 8.
  • a coupling of a clutch assembly according to a first embodiment of a third aspect of the invention is shown.
  • the eyelet 25 is orientated such that a shackle or hook connected through the eyelet to the cable of a crane will tend to orientate substantially parallel to the plane in which ring 29 lies.
  • the coupling 20 and body 30 are mutually shaped and arranged to avoid point contact with a panel 8 in a position shown in Fig. 3 (panel fully vertically erected).
  • Fig. 3 panel fully vertically erected
  • This figure shows a flat edge 22 of coupling 20 against the surface of panel 8.
  • the large contact area insures that the possibility of spalling or other damage to the concrete panel is minimised.
  • Fig. 3a shows and alternative arrangement in which point contact does occur, but occurs close to the anchor point. Damage in this area is less important as the anchor point hidden and the area around the anchor point is usually prepared after the concrete panel has been erected.
  • a further feature of the coupling 20 shown in Figs. 26 to 28 (and in use in Fig. 3) is that the eyelet is shaped to ensure that in its final in use position, a shackle or hook connected to the eyelet, is close to the surface of the panel (contrast Fig. 3 to Fig. 3a).
  • FIG. 30 to 32 An alternative embodiment of the coupling of Figs. 26 to 28 is shown in Figs. 30 to 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

L'invention concerne un ensemble accouplement débrayable (10), destiné à relier de façon amovible un câble de levage à un ancrage encastré dans un composant de bâtiment (tel qu'un panneau), l'ancrage comportant une tête d'ancrage reposant à l'intérieur d'un évidement ménagé dans une surface du composant. Cet ensemble accouplement débrayable (10) comprend: un corps (30) doté d'une portion conçue pour reposer dans l'évidement, partiellement autour de la tête d'ancrage, un couplage (20), monté à travers l'ouverture ménagée dans le corps (30), aux fins de mouvement pivotant relatif, une broche de verrouillage (40) destinée à verrouiller de façon amovible le corps (30) sur la tête d'ancrage, ainsi que des moyens de débrayage de la broche de verrouillage (40), à partir d'une position dans laquelle le corps (30) est bloqué dans la tête d'ancrage. L'invention concerne divers moyens perfectionnés de débrayage de cette broche, dont l'un est actionné par un mouvement pivotant du couplage (20) par rapport au corps (30), dans une première direction, puis par un mouvement pivotant du couplage (20) dans une seconde direction, opposée à la première.
PCT/AU2001/001628 2000-12-18 2001-12-18 Ensemble accouplement debrayable, destine a des panneaux basculants Ceased WO2002049953A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002221345A AU2002221345A1 (en) 2000-12-18 2001-12-18 Clutch assembly for tilt-up panels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPR2136 2000-12-18
AUPR2136A AUPR213600A0 (en) 2000-12-18 2000-12-18 Clutch assembly for tilt-up panels

Publications (1)

Publication Number Publication Date
WO2002049953A1 true WO2002049953A1 (fr) 2002-06-27

Family

ID=3826170

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2001/001628 Ceased WO2002049953A1 (fr) 2000-12-18 2001-12-18 Ensemble accouplement debrayable, destine a des panneaux basculants

Country Status (2)

Country Link
AU (1) AUPR213600A0 (fr)
WO (1) WO2002049953A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004074160A1 (fr) * 2003-02-21 2004-09-02 Itw Ramset Australia Pty Ltd Mecanisme de verrouillage d'un appareil de levage de panneaux
WO2008154673A1 (fr) * 2007-06-21 2008-12-24 Woodstock Percussion Pty Ltd Ensemble liaison amovible pour levage
WO2010063062A1 (fr) * 2008-12-02 2010-06-10 Casne Verige Pty Ltd Collier pour une ancre de levage de béton
CN102859092A (zh) * 2009-11-25 2013-01-02 卡斯内维里奇股份有限公司 用于混凝土提起锚件的卡圈
AU2012247081B2 (en) * 2011-11-17 2017-07-20 Illinois Tool Works Inc. Lifting systems for concrete components
EP4119484A1 (fr) * 2021-07-14 2023-01-18 Illinois Tool Works, Inc. Embrayage articulé
EP4119485A1 (fr) * 2021-07-14 2023-01-18 Illinois Tool Works Inc. Embrayage présentant une articulation limitée
CN118666160A (zh) * 2024-06-26 2024-09-20 合肥市春华起重机械有限公司 一种防坠落的电动葫芦门式起重机
AU2021205059B2 (en) * 2021-07-14 2024-11-07 Illinois Tool Works Inc. Clutch having limited articulation
US12304778B2 (en) 2021-07-14 2025-05-20 Illinois Tool Works Inc. Clutch having tamper evident indicator
US12421085B2 (en) 2021-07-14 2025-09-23 Illinois Tool Works Inc. Clutch having abutment surfaces

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367892A (en) * 1980-10-23 1983-01-11 The Burke Company Lift system for tilt-up walls
US5244243A (en) * 1992-08-24 1993-09-14 Mmi Products, Inc. Apparatus for attaching a lifting mechanism to a load
AU6872194A (en) * 1993-07-28 1995-02-09 Cetram Pty Limited Clutch assemblies for use with lifting anchors
US6142546A (en) * 1998-10-15 2000-11-07 Novitec International B.V. Ring clutch hoisting assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367892A (en) * 1980-10-23 1983-01-11 The Burke Company Lift system for tilt-up walls
US5244243A (en) * 1992-08-24 1993-09-14 Mmi Products, Inc. Apparatus for attaching a lifting mechanism to a load
AU6872194A (en) * 1993-07-28 1995-02-09 Cetram Pty Limited Clutch assemblies for use with lifting anchors
US6142546A (en) * 1998-10-15 2000-11-07 Novitec International B.V. Ring clutch hoisting assembly

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004213065B2 (en) * 2003-02-21 2009-12-03 Itw Ramset Australia Pty Ltd Panel lifter lock
WO2004074160A1 (fr) * 2003-02-21 2004-09-02 Itw Ramset Australia Pty Ltd Mecanisme de verrouillage d'un appareil de levage de panneaux
AU2008265491B2 (en) * 2007-06-21 2014-09-11 Leviat Pty Ltd Releasable lifting link
US8172289B2 (en) 2007-06-21 2012-05-08 Woodstock Percussion Pty Ltd. Releasable lifting link
CN101835948B (zh) * 2007-06-21 2013-07-10 伍德斯托克泊卡逊有限公司 可拆卸的提升链接装置
US8764084B2 (en) 2007-06-21 2014-07-01 Woodstock Percussion Pty Ltd. Releasable lifting link
WO2008154673A1 (fr) * 2007-06-21 2008-12-24 Woodstock Percussion Pty Ltd Ensemble liaison amovible pour levage
WO2010063062A1 (fr) * 2008-12-02 2010-06-10 Casne Verige Pty Ltd Collier pour une ancre de levage de béton
CN102859092A (zh) * 2009-11-25 2013-01-02 卡斯内维里奇股份有限公司 用于混凝土提起锚件的卡圈
AU2012247081B2 (en) * 2011-11-17 2017-07-20 Illinois Tool Works Inc. Lifting systems for concrete components
EP4119484A1 (fr) * 2021-07-14 2023-01-18 Illinois Tool Works, Inc. Embrayage articulé
EP4119485A1 (fr) * 2021-07-14 2023-01-18 Illinois Tool Works Inc. Embrayage présentant une articulation limitée
AU2021205059B2 (en) * 2021-07-14 2024-11-07 Illinois Tool Works Inc. Clutch having limited articulation
US12297083B2 (en) 2021-07-14 2025-05-13 Illinois Tool Works Inc. Articulated clutch having limited coupler rotational movement
US12304778B2 (en) 2021-07-14 2025-05-20 Illinois Tool Works Inc. Clutch having tamper evident indicator
US12421085B2 (en) 2021-07-14 2025-09-23 Illinois Tool Works Inc. Clutch having abutment surfaces
CN118666160A (zh) * 2024-06-26 2024-09-20 合肥市春华起重机械有限公司 一种防坠落的电动葫芦门式起重机

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