EP1483192B1 - Appareil de suspension - Google Patents

Appareil de suspension Download PDF

Info

Publication number
EP1483192B1
EP1483192B1 EP03712328A EP03712328A EP1483192B1 EP 1483192 B1 EP1483192 B1 EP 1483192B1 EP 03712328 A EP03712328 A EP 03712328A EP 03712328 A EP03712328 A EP 03712328A EP 1483192 B1 EP1483192 B1 EP 1483192B1
Authority
EP
European Patent Office
Prior art keywords
pivot pin
hoist
accessory
lifting arm
hook
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
EP03712328A
Other languages
German (de)
English (en)
Other versions
EP1483192A1 (fr
Inventor
Neal Peter Desorgher
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.)
Huntleigh Technology Ltd
Original Assignee
Huntleigh Technology 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 Huntleigh Technology Ltd filed Critical Huntleigh Technology Ltd
Publication of EP1483192A1 publication Critical patent/EP1483192A1/fr
Application granted granted Critical
Publication of EP1483192B1 publication Critical patent/EP1483192B1/fr
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
    • 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
    • B66C1/68—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 mounted on, or guided by, jibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/005—Grab supports, e.g. articulations; Oscillation dampers; Orientation

Definitions

  • the present invention relates to hoists, in particular to the attachment of accessories to the suspension point of a lifting arm connected to a hoist column.
  • JP-A-2000 345786 shows a hoist arrangement where the accessory is attached to a pivot pin provided at the lifting end of the lifting arm by fixed retainers.
  • the accessory cannot be removed once used without the aid of tools, so that changing accessories quickly is not possible. If the retainers and pivot pin are removed to allow the fitting of a different accessory, there is no guarantee that they will be refitted to the manufacturers original specification or that a retainer such as an 'e'-ring would not be damaged in a manner that reduces its performance.
  • the aim of the invention is to provide a safe, quick releasable fastening for attaching a hoist accessory to a hoist.
  • the accessories for example, a spreader bar, weigh scale or stretcher attachment can be fitted and removed quickly and easily to the lifting arm of a hoist without any tools or without removing any component parts from the accessory or hoist and ensuring that the accessory cannot be detached accidentally from the hoist.
  • the invention comprises a hoist arrangement comprising a lifting arm with its lifting end having a pivot pin, and a hoist accessory including retaining means characterised in that the retaining means releasably engages the pivot pin on the lifting arm for pivotal movement thereof, the retaining means also having locking means to automatically lock the pivot pin into position upon engagement with the retaining means.
  • the locking means is biassed to a locking position, the biassing force being spring means.
  • the locking means needs a positive action to be moved to it's unlock position.
  • a spreader bar 2 is connected to a hoist lifting arm 1 with a retainer according to the invention.
  • the retainer comprises a hook 4 upstanding from the spreader bar 2 to engage with a pivot pin 9 of the hoist lifting arm 1.
  • the retainer has a sleeve 3 urged to a locking position covering the hook opening by a spring 7.
  • the hook 4 is slid over the pivot pin 9 locking sleeve 3 is urged by spring 7 to a locking position preventing the escape of the pivot pin 9 from the hook 4.
  • the retainer sleeve 3 is pushed downwards to disengage the hook 4 from the pivot pin 9.
  • the retainer sleeve 3 is designed in a manner where it will not release if only one side is depressed. This causes the bore through the fabrication to lock onto the spacer 6 as shown in Figure 3. Both sides of the retainer sleeve 3 must be depressed for the mechanism to work reducing the chance of a spreader bar or similar accessory becoming inadvertently detached.
  • the spreader bar 2 can be used and then removed without the removal of any components or the need for tools, allowing the attachment of any accessory within seconds without confusion or difficulty.
  • the invention reduces moving and handling risks by enabling the dismantling of the hoist lifting arm and accessories easily to reduce the overall weight of parts being lifted when loading/unloading the vehicle.
  • FIG 3 is an exploded drawing of the retainer according to the invention.
  • the hook 4 has a greased pivot pin 5 located in a hole allowing it to rotate freely.
  • the retainer sleeve 3 is placed over the pivot pin and pushed up to the hook 4.
  • the spacer 6 is slid over the pivot pin 5 and inside the bore of the retainer sleeve 3.
  • the spacer 6 maintains a constant gap between the underside of the hook 4 and the top of the spreader bar 2.
  • the pivot pin 5 is then placed through a hole in the centre of the spreader bar 2 and a collar and spiral pin 8 hold it into position.
  • the force of the spring 7 will ensure that the retainer sleeve 3 always returns to it's locked position.
  • any other hoist accessory for example, a weigh scale, or stretcher attachment or similar can be releasably attached with the pivot pin and retainer combination of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Magnetic Heads (AREA)

Claims (3)

  1. Agencement de treuil comprenant un bras de levage (1) avec son extrémité de levage comportant un axe de pivotement (9), et un accessoire de treuil (2) comprenant un moyen de retenue (4), caractérisé en ce que le moyen de retenue (4) engage de façon amovible l'axe de pivotement (9) sur le bras de levage (1) pour son pivotement, le moyen de retenue (4) comportant également un moyen de verrouillage (3) pour verrouiller automatiquement l'axe de pivotement (9) en position lors de l'engagement avec le moyen de retenue (4).
  2. Bras de levage (1) selon la revendication 1, caractérisé en ce que le moyen de verrouillage (3) est sollicité vers une position de verrouillage.
  3. Bras de levage (1) selon la revendication 1 ou 2, caractérisé en ce que le moyen de verrouillage (3) requiert une action positive pour regagner sa position déverrouillée.
EP03712328A 2002-03-13 2003-03-07 Appareil de suspension Expired - Lifetime EP1483192B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0205899 2002-03-13
GBGB0205899.8A GB0205899D0 (en) 2002-03-13 2002-03-13 Hoist
PCT/GB2003/000988 WO2003078294A1 (fr) 2002-03-13 2003-03-07 Appareil de suspension

Publications (2)

Publication Number Publication Date
EP1483192A1 EP1483192A1 (fr) 2004-12-08
EP1483192B1 true EP1483192B1 (fr) 2006-10-18

Family

ID=9932883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03712328A Expired - Lifetime EP1483192B1 (fr) 2002-03-13 2003-03-07 Appareil de suspension

Country Status (7)

Country Link
EP (1) EP1483192B1 (fr)
AT (1) ATE342864T1 (fr)
AU (1) AU2003217006A1 (fr)
DE (1) DE60309137T2 (fr)
GB (2) GB0205899D0 (fr)
TW (1) TW200305539A (fr)
WO (1) WO2003078294A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2448727B (en) * 2007-04-25 2012-01-25 Dennis George Pearson-Love Hoist clip
CA2847537C (fr) * 2011-09-08 2020-06-02 Arjohuntleigh Magog, Inc. Barre de soulevement et connecteur de barre de soulevement
US9222498B2 (en) * 2011-09-08 2015-12-29 Arjohuntleigh Magog, Inc. Lifting bar and lifting bar connector
DE102012001183A1 (de) * 2012-01-24 2013-07-25 Böcker AG Mobilkran oder dergleichen mit einer Arbeits- oder Lastvorrichtung und ein Verfahren zum Betrieb eines solchen Mobilkranes oder dergleichen
GB201619491D0 (en) * 2016-11-17 2017-01-04 Autochair Ltd A hoist mechanism and a stepless adjustment means
US10040671B1 (en) 2018-01-25 2018-08-07 James Fenner Engine block lift plate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944082A (en) * 1974-12-20 1976-03-16 Harnischfeger Corporation Locking means for relatively movable boom sections of boom of mobile crane
US5749697A (en) * 1994-08-01 1998-05-12 Davis; Gary E. Multi-purpose mobile hoist
GB9512905D0 (en) * 1995-06-24 1995-08-30 Arjo Ltd An invalid hoist sling attachment device
DE29710009U1 (de) * 1997-06-09 1998-01-15 Bühler, Georg Sebastian, 86922 Eresing Schnellwechselsystem für Arbeitskräne (Forstkran)
JP2000345786A (ja) * 1999-06-08 2000-12-12 Shinji Kinoshita 油圧式又は機械式クレーンにおける掘削具の吊り下げ装置
GB2378171B (en) * 2001-06-29 2004-04-14 Arjo Ltd Invalid hoist

Also Published As

Publication number Publication date
GB0305178D0 (en) 2003-04-09
ATE342864T1 (de) 2006-11-15
DE60309137D1 (de) 2006-11-30
GB2386593A (en) 2003-09-24
DE60309137T2 (de) 2007-09-06
WO2003078294A1 (fr) 2003-09-25
GB2386593B (en) 2004-08-11
TW200305539A (en) 2003-11-01
AU2003217006A1 (en) 2003-09-29
EP1483192A1 (fr) 2004-12-08
GB0205899D0 (en) 2002-04-24

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