EP1606449B1 - Steel-wire rope - Google Patents
Steel-wire rope Download PDFInfo
- Publication number
- EP1606449B1 EP1606449B1 EP04721160A EP04721160A EP1606449B1 EP 1606449 B1 EP1606449 B1 EP 1606449B1 EP 04721160 A EP04721160 A EP 04721160A EP 04721160 A EP04721160 A EP 04721160A EP 1606449 B1 EP1606449 B1 EP 1606449B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strand layer
- plastic
- wire rope
- strands
- 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.)
- Expired - Lifetime
Links
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000006223 plastic coating Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 2
- 229920000965 Duroplast Polymers 0.000 description 1
- 239000004638 Duroplast Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
- D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
Definitions
- the invention relates to a wire rope, in particular in Normalmachart, with a, in particular stranded on a core strand, inner strand layer, an outer strand layer and a plastic padding under the outer strand layer.
- Such wire ropes are known in various designs.
- the padding reduces the surface pressure on wire crossovers between the outer and inner strand layers.
- a plastic interlayer is produced by extruding a thermoplastic material on a core rope and later the outer strand layer is stranded under impressions in the, reheated, plastic.
- the DE 23 26 742 has the production of a plastic liner in a wire rope in parallel design to content, in which the inner and the outer strand layer must be stranded in one operation.
- the plastic is previously extruded on the individual strands of the inner strand layer. When stranding, it is heated and squeezed out to a continuous liner.
- the invention has for its object to provide a further type of upholstery, which requires the least possible effort.
- this purpose is achieved in that in a wire rope of the type mentioned, the outer wires of the strands of the inner strand layer are coated with plastic.
- Wires can easily be encased in plastic during manufacture, e.g. in the dipping process. Their warehousing in the wire rope shop has at only 15% of the weight fraction in the wire rope no significant cost-causing scope. The production of the strands and their stranding is not burdened with complications. There are no special operations added.
- the plastic will usually be a not too soft thermoplastic. Duroplast but also come into consideration.
- the drawing shows an embodiment of the invention. It shows a wire rope in a cross section.
- the outer wires 6 of the strands 3 are provided with a plastic sheath 7.
- the plastic sheath 7 lies between the metal surfaces. It reduces the surface pressure.
- the stranding of the outer strand layer in Normalmachart can be done in the same direction as the inner strand layer with different lay length or in the opposite direction of rotation.
- the invention measure especially advantageous. Even with parallel stranding of the inner and outer strand layer, the measure is advantageous.
Landscapes
- Ropes Or Cables (AREA)
Abstract
Description
Die Erfindung betrifft ein Drahtseil, insbesondere in Normalmachart, mit einer, insbesondere auf einer Kernlitze verseilten, inneren Litzenlage, einer äußeren Litzenlage und einer Kunststoffpolsterung unter der äußeren Litzenlage.The invention relates to a wire rope, in particular in Normalmachart, with a, in particular stranded on a core strand, inner strand layer, an outer strand layer and a plastic padding under the outer strand layer.
Solche Drahtseile sind in verschiedenen Ausführungen bekannt. Die Polsterung vermindert die Flächenpressung an Drahtüberkreuzungen zwischen der äußeren und der inneren Litzenlage.
Nach der
After
Die
In der
Der Erfindung liegt die Aufgabe zugrunde, eine weitere Art der Polsterung zu schaffen, die einen möglichst geringen Aufwand erfordert.The invention has for its object to provide a further type of upholstery, which requires the least possible effort.
Gemäß der Erfindung wird dieser Zweck dadurch erfüllt, dass bei einem Drahtseil der eingangs genannten Art die Außendrähte der Litzen der inneren Litzenlage mit Kunststoff ummantelt sind.According to the invention, this purpose is achieved in that in a wire rope of the type mentioned, the outer wires of the strands of the inner strand layer are coated with plastic.
Mit diesem örtlich und mengenmäßig beschränkten Einbringen von Kunststoff in das Drahtseil wird an allen Drahtüberkreuzungen zwischen der äußeren und der inneren Litzenlage und darüber hinaus zwischen der inneren Litzenlage und der Kernlitze oder einer nächstinneren Litzenlage eine polsternde Kunststoffzwischenschicht platziert.With this local and quantitative limited introduction of plastic in the wire rope a cushioning plastic interlayer is placed at all wire crossovers between the outer and the inner strand layer and beyond between the inner strand layer and the core strand or a next inner strand layer.
Der Aufwand dafür ist, insgesamt betrachtet, geringer als bei allen bisherigen Lösungen. Drähte können leicht schon beim Herstellen mit Kunststoff ummantelt werden z.B. im Tauchverfahren. Ihre Lagerhaltung in der Drahtseilerei hat bei z.B. nur 15% des Gewichtsanteils im Drahtseil keinen wesentliche Kosten verursachenden Umfang. Das Herstellen der Litzen und deren Verseilung wird nicht mit Verkomplizierungen belastet. Es kommen keine besonderen Arbeitsgänge hinzu.Overall, the effort involved is less than with all previous solutions. Wires can easily be encased in plastic during manufacture, e.g. in the dipping process. Their warehousing in the wire rope shop has at only 15% of the weight fraction in the wire rope no significant cost-causing scope. The production of the strands and their stranding is not burdened with complications. There are no special operations added.
Der Kunststoff wird in der Regel ein nicht allzu weicher Thermoplast sein. Duroplaste kommen aber ebenfalls in Betracht.The plastic will usually be a not too soft thermoplastic. Duroplast but also come into consideration.
Die Zeichnung gibt ein Ausführungsbeispiel der Erfindung wieder.
Sie zeigt ein Drahtseil in einem Querschnitt.The drawing shows an embodiment of the invention.
It shows a wire rope in a cross section.
Auf einem Kernseil aus einer Parallelschlaglitze 1 1 +8+8 als Kernlitze und einer Litzenlage 2 aus sechs Parallelschlaglitzen 3 1+8+8 ist eine äußere Litzenlage 4 aus acht Parallelschlaglitzen 5 1+(6+6)+12 in Normalmachart verseilt.On a core rope of a Parallelschlaglitze 1 1 + 8 + 8 as a core strand and a strand layer 2 of six Parallelschlaglitzen 3 1 + 8 + 8 is an
Die Außendrähte 6 der Litzen 3 sind mit einer Kunststoffummantelung 7 versehen.The outer wires 6 of the strands 3 are provided with a plastic sheath 7.
An allen Stellen 8, an denen die Litzen 3 Berührung mit den Litzen 5 oder der Kernlitze 1 haben, liegt die Kunststoffummantelung 7 zwischen den Metalloberflächen. Sie vermindert die Flächenpressung.At all
Die Verseilung der äußeren Litzenlage in Normalmachart kann im gleichen Drehsinn wie die innere Litzenlage mit unterschiedlicher Schlaglänge oder im entgegengesetzten Drehsinn erfolgen. Für den letzteren Fall ist die Erfindungsmaßnahme besonders vorteilhaft. Auch bei Parallelverseilung der inneren und der äußeren Litzenlage ist die Maßnahme von Vorteil.The stranding of the outer strand layer in Normalmachart can be done in the same direction as the inner strand layer with different lay length or in the opposite direction of rotation. For the latter case, the invention measure especially advantageous. Even with parallel stranding of the inner and outer strand layer, the measure is advantageous.
Claims (1)
- Steel wire rope, in particular standardized rope, with an inner layer of strands (2), stranded in particular on a core strand (1), an outer layer of strands (4) and a plastic cushioning under the outer layer of strands (4), characterized in that, to form the plastic cushioning, the outer wires (6) of the strands (3) of the inner layer of strands (2) are sheathed with plastic (7).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10311733A DE10311733A1 (en) | 2003-03-18 | 2003-03-18 | Wire rope |
| DE10311733 | 2003-03-18 | ||
| PCT/EP2004/002747 WO2004083517A1 (en) | 2003-03-18 | 2004-03-17 | Steel-wire rope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1606449A1 EP1606449A1 (en) | 2005-12-21 |
| EP1606449B1 true EP1606449B1 (en) | 2008-10-08 |
Family
ID=32920862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04721160A Expired - Lifetime EP1606449B1 (en) | 2003-03-18 | 2004-03-17 | Steel-wire rope |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1606449B1 (en) |
| AT (1) | ATE410541T1 (en) |
| DE (2) | DE10311733A1 (en) |
| WO (1) | WO2004083517A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009026730A1 (en) * | 2007-08-31 | 2009-03-05 | Brugg Kabel Ag | Tensile body for static and dynamic loads |
| US9428858B2 (en) | 2013-03-15 | 2016-08-30 | 1735729 Alberta Ltd. | Wire rope and method of constructing wire rope |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2161151A5 (en) * | 1971-11-16 | 1973-07-06 | Saar Gmbh Drahtseilwerk | |
| DE2326742C3 (en) * | 1973-05-25 | 1985-05-30 | Drahtseilwerk Saar GmbH, 6654 Kirkel | Method for manufacturing a wire rope with an inner strand layer embedded in plastic |
| JP3724322B2 (en) * | 2000-03-15 | 2005-12-07 | 株式会社日立製作所 | Wire rope and elevator using it |
-
2003
- 2003-03-18 DE DE10311733A patent/DE10311733A1/en not_active Withdrawn
-
2004
- 2004-03-17 DE DE502004008202T patent/DE502004008202D1/en not_active Expired - Lifetime
- 2004-03-17 AT AT04721160T patent/ATE410541T1/en active
- 2004-03-17 WO PCT/EP2004/002747 patent/WO2004083517A1/en active Application Filing
- 2004-03-17 EP EP04721160A patent/EP1606449B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE502004008202D1 (en) | 2008-11-20 |
| WO2004083517A1 (en) | 2004-09-30 |
| EP1606449A1 (en) | 2005-12-21 |
| ATE410541T1 (en) | 2008-10-15 |
| DE10311733A1 (en) | 2004-09-30 |
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