EP3392404A1 - Câble en fibres à hautes performances pour engins de levage comme grue - Google Patents

Câble en fibres à hautes performances pour engins de levage comme grue Download PDF

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Publication number
EP3392404A1
EP3392404A1 EP18168408.5A EP18168408A EP3392404A1 EP 3392404 A1 EP3392404 A1 EP 3392404A1 EP 18168408 A EP18168408 A EP 18168408A EP 3392404 A1 EP3392404 A1 EP 3392404A1
Authority
EP
European Patent Office
Prior art keywords
hierarchical level
textile
subunits
rope
cladding layer
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.)
Pending
Application number
EP18168408.5A
Other languages
German (de)
English (en)
Inventor
Peter Baldinger
Robert Traxl
Gunter Kaiser
Rudolf Kirth
Björn ERNST
Erich RÜHRNÖSSL
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.)
Teufelberger Fiber Rope GmbH
Original Assignee
Teufelberger Fiber Rope 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 Teufelberger Fiber Rope GmbH filed Critical Teufelberger Fiber Rope GmbH
Publication of EP3392404A1 publication Critical patent/EP3392404A1/fr
Pending legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/04—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics with a core of fibres or filaments arranged parallel to the centre line
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/145—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising elements for indicating or detecting the rope or cable status
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/148—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising marks or luminous elements
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/24—Ropes or cables with a prematurely failing element
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1012—Rope or cable structures characterised by their internal structure
    • D07B2201/1014—Rope or cable structures characterised by their internal structure characterised by being laid or braided from several sub-ropes or sub-cables, e.g. hawsers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1012—Rope or cable structures characterised by their internal structure
    • D07B2201/102—Rope or cable structures characterised by their internal structure including a core
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/104—Rope or cable structures twisted
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1096—Rope or cable structures braided
    • 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
    • D07B2201/2001—Wires or filaments
    • D07B2201/2009—Wires or filaments characterised by the materials used
    • 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
    • D07B2201/2047—Cores
    • D07B2201/2066—Cores characterised by the materials used
    • 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
    • D07B2201/2088—Jackets or coverings having multiple layers
    • 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
    • D07B2201/209—Jackets or coverings comprising braided structures
    • 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
    • D07B2201/2092—Jackets or coverings characterised by the materials used
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/201—Polyolefins
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/201—Polyolefins
    • D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2039—Polyesters
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2096—Poly-p-phenylenebenzo-bisoxazole [PBO]
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/2065—Reducing wear
    • D07B2401/2075—Reducing wear externally
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2015—Construction industries

Definitions

  • the present invention relates to a high-strength fiber rope for hoists such as cranes, comprising a cable core comprising high-strength plastic fibers, as well as a surrounding the cable core, optical wear indicating sheath according to the preamble of claim 1.
  • HMPA aramid fibers
  • HMPE high modulus polyethylene fibers
  • PBO poly (p phenylene-2,6-benzobisoxazole) fibers
  • rope drives with synthetic fiber ropes can be characterized by a considerably longer service life, easy handling and good flexibility, as well as the elimination of the rope lubrication necessary for steel cables. Overall, this allows improved device availability can be achieved.
  • High-strength fiber ropes are like steel ropes wearing parts that must be replaced if their condition has deteriorated so far that the necessary safety is no longer given further operation. This condition is commonly referred to as Ablegereife.
  • a difficulty with such high-strength fiber ropes is to predict the Ablegereife precise and reliable.
  • the Ablegereife is determined in a rather simple manner by visual inspection of the condition of the rope, the procedure for testing and the scope of testing in the standard ISO 4309 is specified. Essentially, this is based on the number of wire breaks over a certain measuring length of the rope, a reduction of the rope diameter and strand breaks.
  • U1 is a high-strength fiber rope made of synthetic fibers is known in which a rope core is provided with a sheath that is colored differently than the rope core and in turn has different coat layers of different colors.
  • This different colored coloring it should be easier to see if by abrasion of an outer layer, a different colored, underlying layer or even the cable core comes to light.
  • this in itself useful color indicator function suffers from the fact that the sheath due to the properties of high-strength synthetic fibers tends to fail altogether quite suddenly, so that it is again difficult to be able to reliably predict the ability to lay off the rope in good time.
  • the EP 1 930 497 A and EP 1 930 496 A discloses the use of an electrically conductive indicator fiber that has a lower resistance to abrasion than the load bearing strands or fibers of the rope. If the indicator fiber is damaged or cracked, this can be determined by conductivity measurements. This access is disadvantageous because it requires additional conductivity measurements and, associated with this, the necessary technical infrastructure such as power source, conductivity meter, connection points for the indicator fiber.
  • the WO 2003/054290 A1 suggests a ferromagnetic material with which one should also be able to detect local damage to the rope.
  • the WO 2012/162556 discloses a rope with one or possibly more cladding layers, wherein in any case in a cladding layer, the fibers which form the fiber strands are present in the form of fiber bundles, ie as a plied, untwisted yarn, dispersed in a resin matrix.
  • a resin matrix changes the properties of the fibers and protects them from wear.
  • Indicator fibers that can pass electrical or optical signals proposed.
  • the present invention is the object of the invention to provide an improved high-strength fiber rope, which avoids the disadvantages of the prior art and the latter further develops in an advantageous manner.
  • a simple, yet reliable and accurate determination of the Ablegereife and thus the longest possible use time should be possible without compromising the safety of the fiber rope.
  • the sheathing of the high-strength fiber rope according to the invention comprises at least one braided sheath layer of at least two intertwined textile subunits of a first hierarchical level, where appropriate, a part of the textile subunits of the first hierarchical level at least two textile subunits a second hierarchical level, which in turn optionally at least two textile subunits a third Hierarchical level.
  • the subunits of the first hierarchical level are abbreviated to 1TUE
  • the subunits of the second hierarchical level are abbreviated to 2TUE
  • the subunits of the third hierarchical level are abbreviated to 3TUE.
  • the at least two 1TUs may be in the form of strands, ropes, threads, cords, ribbons, and / or yarns intertwined with each other.
  • these may in turn be formed from at least two, preferably several, twisted, braided, knitted, knitted, woven and / or substantially parallel 2TUs.
  • a 1TUE in the form of a strand or rope may itself be formed by several threads, cords, ribbons and / or yarns.
  • these in turn may be formed from at least two, preferably several, twisted, braided, knitted, knitted, woven and / or substantially parallel 3TUs.
  • a 2TUE in the form of a rope, a twine, a string or a ribbon is itself made up of several yarns, which are then the 3TUE.
  • the fiber bundles used to construct the textile subunits are defined as the lowest hierarchical level of the rope according to the invention.
  • the sheath of the high-strength fiber rope according to the invention can either be formed only by an outermost layer or can be formed by an outermost layer and a further cladding layer arranged below the outermost layer.
  • the further cladding layer between the cable core and outermost cladding layer is arranged, wherein the further cladding layer can completely or only partially enclose the cable core.
  • the further jacket layer can either be arranged directly underneath the outermost jacket layer or can be arranged below it by one or more particularly quickly wearing separator layers, separated from the outermost jacket layer.
  • a release layer may be a thin film of a plastic material.
  • the textile subunits of a lowest hierarchical level of the rope are dispersed in a resin matrix neither in the outermost cladding layer nor in the further cladding layer arranged below the outermost cladding layer, as described in US Pat WO 2012/162556 is provided.
  • all the textile subunits of the rope essentially consist of textile fiber material.
  • none of the textile subunits of the rope are dispersed in a resin matrix. This is not meant to exclude the optional presence of superficial impregnation of subunits (see below).
  • the 1TU and / or, if present, the 2TU of the outermost layer differ from each other in their textile construction and, as a result, have different wear resistance.
  • the "textile construction" of the 1TUE and / or, if present, the 2TUE is generally understood to mean the textile arrangement and the structure of the subunits or the subunits on which they are based.
  • the term “textile construction” does not include the properties of the materials used to construct the rope, i. the plastic fibers, so for example their chemical nature, fineness (thickness), abrasion and / or tensile strength and / or bending resistance.
  • textile construction also includes textile parameters of the subunits, such as e.g. the presence of an impregnation or a reinforcement.
  • the different textile construction of the textile subunits provided according to the invention results in a different wear resistance of the subunits, irrespective of the properties of the fiber material used in each case.
  • textile subunits of different construction wear differently even with uniform application of wear-promoting influences.
  • the wear resistance of the cladding of the core-sheath rope according to the invention thus changed primarily by the change in the textile construction of 1TUE and / or, if present, the 2TUE and not by properties of the material material of the plastic fibers used.
  • Another difference may be the presence or type and extent of impregnation or reinforcement in a part of the 1TUE or 2TUE.
  • a textile construction of the textile subunits is advantageously chosen so that a reliable statement can be made on whether or not wear occurring over the period of use of the high-strength fiber rope or a wear occurring over the period of use of the high-strength fiber rope and a resulting optical change of the sheath the high-strength fiber rope has reached its Ablegereifeife.
  • Damage to the outermost cladding layer occurs mostly essentially only partially and gradually a, so that based on the gradually increasing damage points different wear conditions of the high-strength fiber rope and the concomitant remaining distance to Ablegereife are gradually determined and quantified.
  • the determination of the Ablegereife can be carried out on the basis of reference representations of the rope in different degrees of damage or based on a wealth of experience by a competent person as a visual inspection and is therefore determined macroscopically.
  • the knowledgeable person advantageously categorizes the damage that has occurred, keeps it in writing and sums it up, in order to then decide whether or not to dispose of it.
  • the determination of the Ablegereife by means of software, in which case the sheathing is optically detected by means of camera systems.
  • the textile construction of the 1TU and / or the 2TUE, if present, is preferably individually adapted and fixed for each cable. This has the advantage that for each rope individually adapted to the purpose, location and type of load a reliable indicator is created, which allows to determine quickly and easily whether the rope has reached its Ablegereife.
  • a casing of the high-strength fiber rope according to the invention with an outermost layer and a further cladding layer arranged below the outermost layer advantageously not only differ the 1TUE and / or if the 2TUE in terms of their textile construction in the individual layers of each other, but it can also 1TUE and / or, if present, the 2TUE of the outermost cladding layer differ from that of the further cladding layer in their textile construction.
  • each cladding layer due to the different textile constructions of the textile subunits, exhibits a characteristic resistance to abrasion and wear, which leads to a partially different damage pattern in each cladding layer or the cladding layers differently wear out quickly.
  • optically visible wear on the outermost cladding layer may indicate a speedy readiness for discarding, with the actual disassembly rigidity of the rope only being reached on optically visible wear on the further cladding layer.
  • the wear resistance of the sheath of the high-strength fiber rope according to the invention can be changed and adapted to a lifetime of the high-strength fiber rope that can be reliably determined by optical assessment of the sheath when the high-strength fiber rope Fiber rope has reached its Ablegereife.
  • various types of plastic fibers may be used in the textile subunits and thus increase the differences between the wear resistance of the textile subunits.
  • the plastic fibers underlying the sheath of the high-strength fiber rope according to the invention may be, for example, HMPE fibers, polyester fibers, polyamide fibers, PBO fibers and / or aramid carbon fiber blend fibers.
  • plastic fibers may additionally be provided in the outermost cladding layer which, with regard to their fineness and / or abrasion and / or tensile strength and / or bending resistance and / or their material, at least one part, in particular all , which distinguish plastic fibers of the further cladding layer.
  • the extent of different from the inventively provided different construction of the textile subunits resulting Wear resistance is thus reinforced here by different material properties.
  • the sheath has sheath layers of different layer thicknesses and / or different thicknesses of plastic fibers from layer to layer.
  • different damage patterns can be achieved from layer to layer even with the same or similar textile construction.
  • different thicknesses of layer which can increase, for example, from outside to inside, it can be ensured that more and more serious damage always occur more difficult and initially only minor damage, which are still relatively far away from the Ablegereife, first on the outer layer occur and are therefore easily recognizable.
  • the textile subunits of the various hierarchical levels which have different wear resistance, can be dyed in different colors.
  • plastic fibers, from which the textile subunits of the lowest hierarchical level are formed are dyed in different colors.
  • the cladding layers can be dyed with different colors.
  • an optical detection of damage to the sheath due to wear is greatly facilitated, since when worn out the outermost cladding layer arranged below this further cladding layer is visible in a different color or color combination.
  • the cable core may have a different color than the sheath, in particular a different color than the further sheath layer or the outermost Sheath layer of the sheath, so that at the latest at a complete wear of the sheath, the other color of the rope core is visible.
  • sheath of the high-strength fiber rope according to the invention has additional additional sheath layers, which are arranged one above the other at least partially overlapping between the rope core and the outer sheath layer.
  • the sheath is at least partially impregnated, the sheathing is at least partially formed a reinforcement surrounding the outermost cladding layer and / or at least partially a thin film surrounding the outermost cladding layer is formed around the cladding.
  • inventive high-strength fiber rope is advantageously used as part of a hoist, especially in cranes such as tower cranes, telescopic, harbor or ship cranes.
  • This is preferably designed as a crane hoisting rope or as a crane boom guy rope.
  • the sheath of the rope is not carried load-bearing.
  • FIGS. 1 to 7 each show a section of a variant of a high-strength fiber rope according to the invention.
  • Each of the high strength fiber ropes is off one in the FIGS. 1 to 7 non-visible cable core and a sheath surrounding the cable core formed, wherein the sheath may be formed directly around said cable core or optionally spaced therefrom by an intermediate layer thereof.
  • the rope core can take over the total specified tensile strength of the fiber rope.
  • the said sheath can in particular form the outer sheath of the fiber rope and in particular acts only supportive and as protection for the rope core.
  • the cladding has an outermost cladding layer formed of interlaced 1TUE to form a braided diamond pattern.
  • the 1TU and / or, if present, the 2TU differ in their textile construction, resulting in different wear resistance of the subunits, from which the state of wear of the rope can be visually determined.
  • none of the illustrated embodiment variants is a resin matrix provided in one of the cladding layers in which the TUEs of the lowest hierarchical level are dispersed.
  • Ropes 3 has a rotation X and rope 4 has a different rotation Y on.
  • the rotation X of rope 3 20 T / m and the rotation Y of rope 4 can be 60 T / m or more.
  • the plastic fibers of the rope 3 underlying threads may either have the same material as the plastic fibers of the rope 4 underlying threads or these may be formed of a different material.
  • the plastic fibers used in the rope 3 may be formed by polyester fibers and the plastic fibers used in the rope 4 may be formed by HMPE fibers.
  • the 1TUE are in the form of strands 7 and 8.
  • Strands 7 and 8 are each formed of a plurality of side by side substantially parallel arranged 2TUE.
  • the 2TUE of strands 7 and 8 are by in FIG. 2 twisted threads not shown in detail, and have in the strand 7 a rotation X and in the strand 8 a different rotation of X Y.
  • the rotation X can be 20 T / m and the rotation Y 60 T / m or more.
  • Rope 11 is made of several twists (2TUE).
  • Rope 12 is made of several twines (2TUE) braided.
  • rope 11 and rope 12 have a different structure.
  • the 2TUE of the strands 15 are rotated together with a rotation X.
  • the 2TUE of strands 16 are intertwined.
  • each of the 2TUs substantially parallel to each other in FIGS. 1TUE 15 and 16 may be rotated and another portion of the 2TUE may be plaited, with the respective number of rotated and plaited 2TUs, or the amount of rotation or pleat angles of the 2TUs in FIG A part of 1TUE is different from another part of 1TUE.
  • 3 braided and 2 rotated 2TUs could be present in substantially parallel juxtaposition, and 2 braided and 3 rotated 2TUs substantially parallel to each other in the 1TUE 16.
  • Strand 21 is formed of a plurality of side by side arranged substantially parallel 2TUE, which are intertwined with each other.
  • the rope according to this embodiment thus has two strands 7 and 8, the 2TUE are rotated to different degrees, and another strand 21, the 2TUE are intertwined with each other. This results in a three-stage expiring wear of the outermost shell layer 20, which is visually detectable.
  • Strands 24, 25, 26 and 27 each have a plurality of 2TUE arranged side by side substantially in parallel.
  • the 2TUs are each made up of threads consisting of several 3TUs.
  • the 3TUE are formed by yarns.
  • the threads of the strand 24 are rotated with a twist X
  • the threads of the strand 25 are interwoven with a braid angle A
  • the threads of the strand 26 are rotated with a non-X rotation Y
  • the threads of the strand 27 are different with one of A.
  • Braid angle B intertwined.
  • the sheath of the in the FIGS. 1 to 7 described embodiments of the high-strength fiber rope according to the invention may have a further cladding layer disposed below the outermost cladding layer, which may be formed according to one of the outermost cladding layers described or may also have a different number of 1TUE and / or optionally 2TUE and / or optionally 3TUE of different textile construction ,
  • plastic fibers in the cladding layers may differ in terms of their thickness and / or that the cladding layers may differ in terms of their thickness.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
EP18168408.5A 2017-04-20 2018-04-20 Câble en fibres à hautes performances pour engins de levage comme grue Pending EP3392404A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17167390 2017-04-20

Publications (1)

Publication Number Publication Date
EP3392404A1 true EP3392404A1 (fr) 2018-10-24

Family

ID=58579109

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Application Number Title Priority Date Filing Date
EP18168408.5A Pending EP3392404A1 (fr) 2017-04-20 2018-04-20 Câble en fibres à hautes performances pour engins de levage comme grue

Country Status (3)

Country Link
US (1) US10808355B2 (fr)
EP (1) EP3392404A1 (fr)
KR (1) KR102092145B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020002627A1 (fr) 2018-06-28 2020-01-02 Liebherr-Copmponents Biberach Gmbh Procédé pour régler la détection l'état d'usure de câbles de fibres ultra-résistants nécessitant leur remplacement et ensemble de câbles de fibres
US20210347614A1 (en) * 2019-01-23 2021-11-11 Robert Bramberger Cable robot
EP4148181A1 (fr) * 2021-09-14 2023-03-15 Lankhorst Euronete Portugal, S.A. Gaine résistante aux coupures
WO2023041580A1 (fr) * 2021-09-14 2023-03-23 Lankhorst Euronete Portugal, S.A. Gaine résistant aux entailles
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DE102018123758A1 (de) * 2018-06-28 2020-01-02 Liebherr-Components Biberach Gmbh Verfahren und Vorrichtung zum Einstellen der Ablegereifeerfassung hochfester Faserseile
WO2020002615A1 (fr) 2018-06-28 2020-01-02 Liebherr-Components Biberach Gmbh Dispositif pour régler la détection de l'état d'usure de câbles en fibres ultra-résistants nécessitant un remplacement, et engin de levage doté d'un tel dispositif
US11732410B2 (en) 2018-06-28 2023-08-22 Liebherr-Components Biberach Gmbh Device for adjusting the discard state detection of high-strength fiber ropes and lifting gear comprising such a device
US20210347614A1 (en) * 2019-01-23 2021-11-11 Robert Bramberger Cable robot
EP4148181A1 (fr) * 2021-09-14 2023-03-15 Lankhorst Euronete Portugal, S.A. Gaine résistante aux coupures
WO2023041580A1 (fr) * 2021-09-14 2023-03-23 Lankhorst Euronete Portugal, S.A. Gaine résistant aux entailles
EP4335953A1 (fr) * 2022-09-09 2024-03-13 Teufelberger Fiber Rope GmbH Câble à âme et gaine antistatique
EP4339340A1 (fr) 2022-09-09 2024-03-20 Teufelberger Fiber Rope GmbH Câble à âme et gaine antistatique

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US20180305865A1 (en) 2018-10-25
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US10808355B2 (en) 2020-10-20

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