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WO2013013961A1 - Élingue destinée à soulever des charges - Google Patents

Élingue destinée à soulever des charges Download PDF

Info

Publication number
WO2013013961A1
WO2013013961A1 PCT/EP2012/063306 EP2012063306W WO2013013961A1 WO 2013013961 A1 WO2013013961 A1 WO 2013013961A1 EP 2012063306 W EP2012063306 W EP 2012063306W WO 2013013961 A1 WO2013013961 A1 WO 2013013961A1
Authority
WO
WIPO (PCT)
Prior art keywords
round sling
round
fiber
sling according
elastic
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/EP2012/063306
Other languages
German (de)
English (en)
Inventor
Werner Brunke
André Mamié
Berthold Grundmann
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.)
Spanset Inter AG
Original Assignee
Spanset Inter AG
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 Spanset Inter AG filed Critical Spanset Inter AG
Priority to DK12733699.8T priority Critical patent/DK2736830T3/en
Priority to EP12733699.8A priority patent/EP2736830B1/fr
Publication of WO2013013961A1 publication Critical patent/WO2013013961A1/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
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/20903—Jackets or coverings comprising woven structures

Definitions

  • the invention relates to a round sling for lifting loads, with a mecanical formed from fibers and a mecanical receiving, formed from a fabric envelope.
  • Round slings of this type are used for lifting loads. For this purpose, first the load to be lifted is placed in the loop opening of the round sling and then hung the round sling on the hook of a crane or a comparable lifting device.
  • a round sling usually consists of a Las carrying, loosely wound yarn package - the réellegelege and the envelope.
  • the covering protects the inner loop of the round sling from damage due to wear and cutting loads and, on the other hand, bundles the many strands of the inner lining into a single, manageable strand.
  • Production method is a large aspect ratio of cladding to scrim. This is the only way to increase the envelope and create the winding of the inner lining with the required reliability.
  • the necessary large cross section of the envelope has the consequence that the finished round sling a relatively flat
  • the protective cover of a round sling can also be made of a woven band.
  • Garngelege is first manufactured and by
  • Abrasion is exposed as in their exterior
  • Difficulties can be placed over a hook or a similar projection.
  • round slings whose envelope is designed as a hollow braid.
  • Such a round sling is described for example in DE 10 2006 052 279 AI.
  • round slings of this type is known from the field of conventional Kernmantelseile itself
  • Possibility used an internal yarn core through to surround a braided shell.
  • the hollow braid can be braided directly around the réellegelege around. Alternatively, it can be prefabricated to then be filled with the réellegelege. The prerequisite for this, however, is that a corresponding braiding machine is available.
  • the object of the invention to provide a round sling, which was
  • Claim 1 trained round sling has been solved.
  • a round sling according to the invention for lifting loads which comprises an inner scrim formed from fibers and an inner cladding formed from a woven fabric
  • the cladding is elastically deformed from the radial direction to the inner scrim by a dense and transversely resiliently adjacent inner scrim pressing fabric hose with in the direction of
  • the fibers of the inner layer are woven by a woven, transverse elastic wrap applied elastic forces held close to each other.
  • the elasticity of the envelope is so on the réellegelege
  • Adjusted cross-section adapted that the envelope exerts a sufficient for the firm cohesion of the inner lining pressure from the radial direction on the réellegelege even with unloaded round sling.
  • the load to be taken on each of the transported goods to be transported is optimally transmitted to the load-bearing fibers of the inner layer.
  • the invention provides such a round sling, which is characterized by a
  • the inventively provided transversely elastic sheath can be prepared in a known manner on a needle loom or other suitable for producing a tubular fabric machine.
  • the extensibility of the casing according to the invention is generally to be selected by selecting a suitably elastic weft yarn so that the casing already exerts in the unloaded state from the radial direction restoring forces on the réellegelege sufficient to compress the fibers of the inner fabric into a solid bundle. In practice, this can reliably ensure thereby be that with unloaded round sling the
  • Circumference of the envelope is on average at least 1.2 times the circumferential length, which has the envelope in the relaxed state.
  • Circumference of the envelope is at least 1.3 times to 1.4 times the circumferential length, which has the envelope in the relaxed, empty state.
  • the production of a round sling according to the invention can be effected in a conventional manner by first drawing up and compressing the elastic covering onto a tube. As a result of the transverse elasticity, the hose diameter expands and adapts to the
  • the limit to which the sheath may be transversely stretched in the elastic region should be at least 1.8 times the circumference of the sheath in the relaxed state. That way is
  • polyester threads can be processed as desired in raw white or spun-dyed.
  • Transverse elasticity of the sheath essential properties, such.
  • the elasticity and the restoring force with which the fabric presses against the inner layer surrounded by it can be improved by the manufacture of the yarn
  • weft thread of the roundsling can also be spun from an elastic fiber
  • High-performance fiber provides optimum protection of the inner lining against cutting damage or the like.
  • the high performance fiber may be a sufficiently thin synthetic liquid crystal polymer fiber, such as known in the marketplace under the name "Vectran”. As an elastic fiber, however, an elastane fiber comes into question.
  • the warp threads present in an envelope used according to the invention serve primarily to protect the inner lining against damage from rubbing or cutting loads from the outside. To ensure this, they will consist at least in part of a solid, inelastic fiber.
  • the envelope is optimally dimensionally stable, so that not only in the transverse direction, but also in the direction of the longitudinal course of the round sling, a tight contact with the inner layer is ensured.
  • a practice-oriented embodiment of the invention provides that at least one of the warp threads is inelastic, wherein typically all the warp threads of the wrapper consist of an inelastic material.
  • a maximized protection against frictional wear and wanton or accidental cutting damage can be achieved in that at least one warp thread of the sheath consists of a high-performance fiber.
  • the high performance fiber may be synthetic
  • Liquid crystal polymer fiber act like it
  • the invention is based on
  • Fig. 1 is a finished round sling in
  • Fig. 4 shows a detail of a round sling according to
  • Fig. 1 used enclosure during its production in an enlarged view
  • Fig. 5 shows the structure of a for the production of the envelope of
  • the round sling 1 has a high-strength
  • the sheath 3 formed as tubular fabric is formed of inelastic, solid warp threads 4, which are aligned in the direction of the longitudinal course L of the roundsling 1, and an elastic weft thread 5 oriented transversely thereto, which consists of an elastane fiber wound, for example, with polyester fibers.
  • At least one set of warp yarns 4, such as every other warp yarn 4, may be made of a high performance fiber such as Kevlar or the like. Of course, this includes the possibility that all warp threads 4 are made of such a high strength, high strength fiber.
  • the circumferential length UL of the circumference 6 of the sheath is about 1.3 times the circumferential length UL 1 indicated by the broken line in FIG. 2, which has the sheath 3 in the fully unloaded, empty state she is not yet filled with the inner layer 2.
  • the casing 3 already in finished manufactured, but unloaded state of the roundsling 1 due to their own in the transverse direction Q elasticity and the associated elastic restoring forces acting from a radial direction R, as far as possible
  • Support area 8 of the hook 7 receives the round sling 1 in this way a flattened, elongated
  • Round sling 1 contributes.
  • the risk of excessive wear of the envelope 3 is minimized because wrinkling is largely reduced and thus in the edition area 8 and no friction and
  • Sections of the enclosure 3 may occur.
  • the sheath 3 without the risk of excessive wear in the direction of the longitudinal course L successful shift in the opening of the hook 7 or bear the good to be lifted.
  • the existing of high-performance fibers warp 4 offer optimal protection against wanton or random
  • the elastic weft thread 5 is introduced into the tissue as tension-free as possible.
  • the edges K1, K2 of the fabric on which the weft thread 5 is deflected are defined by a respective wire 9, 10.
  • the wires 9,10 are, after the respective edge portion is made, pulled from the continuously further promoted finished part of the enclosure 3, so that the respective finished section moved on unhindered and the further processing can be supplied.
  • Fig. 4 the course of the wires 9,10 is schematically represented by a weaving machine usable for the production of the wrapping up to a wrapping 3 obtained as a tubular fabric.
  • a weaving machine usable for the production of the wrapping up to a wrapping 3 obtained as a tubular fabric.
  • the position of the respective end 12, 13 of the wires 9, 10 relative to the conveying direction F is identified by "14".
  • each finished enclosure 3 is subtracted from the wires 9,10.
  • the wires 9, 10 are controlled by special strands 15, of which, for example, the first two guide the wires 9, 10 in order to lift or lower them in accordance with the weave of the fabric. This is necessary so that the respective wire 9,10 - as well as the warp threads 4 - the front compartment for the entry of the weft thread 5 can mitchan.
  • weft length provides the weft 5 is available.
  • the wires 9, 10 consisting of plastic or metal ensure that, despite the stress peaks that can not be avoided during weft insertion, the deflection of the weft thread 5 is also in the region of the edges K1, K2 in FIG
  • Round loop 1 forming fiber strands 2 ' can be easily inserted into the enclosure 3 in a conventional manner.
  • the guide rail not only holds the envelope 3 in a defined position, but also ensures that the fiber strands 2 'of the inner layer 2 take their proper position.
  • the guide rail is pulled out of the sheath 3 and the sheath 3 along the inner layer 2 in the length until the ends 18,18 'of the sheath 3 in a connection zone 19 abut or overlap each other and can be firmly connected.
  • the wrapper 3 pulls together when de-dusting in the transverse direction Q, so that the wrapper 3 automatically close to the
  • Residual expansion of the enclosure 3 of about 1.3 to 1.4 times compared to their unfilled state available.
  • Protective tube with simultaneous length stability thus creates a very compact round sling with approximately unloaded in the cross section.
  • the processing of high-performance fibers as warp threads 4 allows an optimization of the abrasion resistance of the protective tube and maximum protection against
  • the tubular fabric is the
  • the round sling 1 is thus able to easily compensate for the possible deformation of the inner lining 2 by means of cross-sectional adaptation by means of a force introduction and to maintain their functionality. After relieving the round sling 1, the original round cross-section immediately returns.

Landscapes

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

Abstract

L'invention concerne une élingue destinée à soulever des charges, comprenant une structure intérieure (2) formée de fibres (2') et une enveloppe (3) qui reçoit la structure intérieure (2) et est formée d'un tissu. Afin de pouvoir fabriquer par tissage une telle élingue présentant des caractéristiques d'utilisation améliorées, l'enveloppe (3) est formée par un tuyau tissé qui repose de manière étanche et en direction transversale (Q) de façon élastique contre la structure intérieure et qui appuie de façon élastique sur la structure intérieure depuis la direction radiale (R), avec des fils de chaîne (4) orientés dans la direction longitudinale (L) de l'élingue (1) et un fil de trame (5) orienté de manière transversale à la direction longitudinale (L) de l'élingue (1).
PCT/EP2012/063306 2011-07-26 2012-07-06 Élingue destinée à soulever des charges Ceased WO2013013961A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK12733699.8T DK2736830T3 (en) 2011-07-26 2012-07-06 Round loop for lifting loads
EP12733699.8A EP2736830B1 (fr) 2011-07-26 2012-07-06 Élingue destinée à soulever des charges

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011052146A DE102011052146B3 (de) 2011-07-26 2011-07-26 Rundschlinge zum Heben von Lasten
DE102011052146.1 2011-07-26

Publications (1)

Publication Number Publication Date
WO2013013961A1 true WO2013013961A1 (fr) 2013-01-31

Family

ID=46506381

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/063306 Ceased WO2013013961A1 (fr) 2011-07-26 2012-07-06 Élingue destinée à soulever des charges

Country Status (4)

Country Link
EP (1) EP2736830B1 (fr)
DE (1) DE102011052146B3 (fr)
DK (1) DK2736830T3 (fr)
WO (1) WO2013013961A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021003473A1 (de) 2021-07-06 2023-01-12 Span Set Gesellschaft für Transportsysteme und technische Bänder mit beschränkter Haftung & Co. Kommanditgesellschaft Rundschlinge

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703547A1 (de) 1987-02-06 1988-08-18 Spanset Inter Ag Verfahren zum herstellen einer rundschlinge
DE9209857U1 (de) * 1992-07-22 1992-10-29 Westdeutscher Drahtseil-Verkauf Dolezych GmbH & Co KG, 4600 Dortmund Rundschlinge
US5649414A (en) * 1996-06-21 1997-07-22 Mcdonnell Douglas Corp. Sling with braided sleeve covering
DE102006052279A1 (de) 2006-11-03 2008-05-08 Spanset Inter Ag Rundschlinge
US7628435B1 (en) * 2005-02-16 2009-12-08 Murdock Webbing Co., Inc. Web section, round sling made from the web section, and method of making the round sling
FR2959223A1 (fr) * 2010-04-26 2011-10-28 Pms Internat Elingue de levage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000136084A (ja) * 1998-10-30 2000-05-16 Nippon Steel Corp 繊維スリング
JP2002137885A (ja) * 2000-11-01 2002-05-14 Hoshino Kogyo Kk スリング

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703547A1 (de) 1987-02-06 1988-08-18 Spanset Inter Ag Verfahren zum herstellen einer rundschlinge
DE9209857U1 (de) * 1992-07-22 1992-10-29 Westdeutscher Drahtseil-Verkauf Dolezych GmbH & Co KG, 4600 Dortmund Rundschlinge
US5649414A (en) * 1996-06-21 1997-07-22 Mcdonnell Douglas Corp. Sling with braided sleeve covering
US7628435B1 (en) * 2005-02-16 2009-12-08 Murdock Webbing Co., Inc. Web section, round sling made from the web section, and method of making the round sling
DE102006052279A1 (de) 2006-11-03 2008-05-08 Spanset Inter Ag Rundschlinge
FR2959223A1 (fr) * 2010-04-26 2011-10-28 Pms Internat Elingue de levage

Also Published As

Publication number Publication date
DK2736830T3 (en) 2017-06-19
EP2736830B1 (fr) 2017-03-08
DE102011052146B3 (de) 2013-01-03
EP2736830A1 (fr) 2014-06-04

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