EP0178249B1 - Flexible electrical control cable - Google Patents
Flexible electrical control cable Download PDFInfo
- Publication number
- EP0178249B1 EP0178249B1 EP85730106A EP85730106A EP0178249B1 EP 0178249 B1 EP0178249 B1 EP 0178249B1 EP 85730106 A EP85730106 A EP 85730106A EP 85730106 A EP85730106 A EP 85730106A EP 0178249 B1 EP0178249 B1 EP 0178249B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core
- line
- lead
- core element
- load
- 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
Links
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims 5
- 239000004760 aramid Substances 0.000 description 4
- 229920003235 aromatic polyamide Polymers 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
Definitions
- the invention is in the field of flexible electrical lines and is to be used in the structural design of a control line which is used in container loading devices (spreader line).
- a support element in the form of a low-expansion steel cable or a low-expansion cable made of non-metallic materials can be arranged in the core of the line (VDE regulation 250c / 8.75, ⁇ 814).
- Aramid-based fibers, for example, are known as non-metallic materials (DE-Z «Kunststoffe 1982, page 486).
- a line construction is known per se, in which five cores are stranded around a tensile core to form a bundle and in which six such core bundles are stranded around a support member.
- the invention has for its object to improve the ductility of the line under the influence of wind forces by a constructive change in the line structure and thus the use of this line as To enable "spreader line " .
- the core element designed as a supporting member consists of an association of braided lead cords, to which a braid of tensile plastic threads is applied, that the core element of each core bundle consists of a braided lead cord and that in the braided lead cords are arranged in the outer gusset spaces of the soul.
- the design of the line provided according to the invention increases its own weight without appreciably increasing its flow resistance in the transverse direction or reducing its flexibility. However, this reduces the amount of lateral deflection of the free-hanging line when exposed to wind.
- the tensile plastic threads arranged in the support member which are preferably aramid-based rovings, contribute both to maintaining the flexibility of the line and to maintaining the required tensile strength.
- the gusset spaces of the core element designed as a supporting element can also be filled with such tensile plastic threads.
- the figure shows a bundled control line, in the center of which a core element 1 designed as a supporting element is arranged.
- This core element consists of seven lead cords 2, each of which is braided with polyester yarn, six lead cords being arranged around a central lead cord. These lead cords can be arranged in parallel or stranded together.
- rovings 3 made of tensile plastic threads, for example based on aramid, are arranged.
- Lead cords and gusset fillings are surrounded by an unspecified holding helix, which can also consist of tensile plastic threads.
- a single or double, closed braid 4 made of tensile plastic threads, in particular of aramid rovings, is arranged above this.
- each core bundle 5 consisting of a core element 6 and six plastic-insulated wires 7.
- the core element 6 is also a braided lead cord.
- the gusset spaces of each core bundle are filled with gap fillings 8 made of a textile yarn or a cotton blend yarn.
- Each wire bundle is wound with a film 9 made of polyester fleece.
- Further braided lead cords 10 are arranged in the gusset spaces of the core consisting of the support member 1 and the core bundles 5.
- the remaining gusset spaces are filled in a known manner with a gusset filling 11 made of jute or textile threads.
- the cable core as a whole is surrounded by a two-layer covering 12 made of polyester fleece and a plastic material 13.
- the wire insulation and the jacket can be made of thermoplastic material, the wire insulation, for example, of polyvinyl chloride and the jacket, for example, of polyurethane.
Landscapes
- Insulated Conductors (AREA)
- Ropes Or Cables (AREA)
Description
Die Erfindung liegt auf dem Gebiet der flexiblen elektrischen Leitungen und ist bei der konstruktiven Ausgestaltung einer Steuerleitung anzuwenden, die in Container-Verladeeinrichtungen eingesetzt wird (Spreader-Leitung).The invention is in the field of flexible electrical lines and is to be used in the structural design of a control line which is used in container loading devices (spreader line).
Zum Betrieb von Hebezeugen, Transport- und Förderanlagen sind flexible elektrische Leitungen entwickelt worden, bei denen im Fall der Ausgestaltung als Steuerleitung die Adern lagenweise zur Seele verseilt sind. Im Kern der Leitung kann ein Tragorgan in Form eines dehnungsarmen Stahlseiles oder eines dehnungsarmen Seiles aus nichtmetallischen Werkstoffen angeordnet sein (VDE-Vorschrift 250c/8.75, § 814). Als nichtmetallische Werkstoffe sind beispielsweise Fasern auf Aramid-Basis bekannt (DE-Z « Kunststoffe 1982, Seite 486). - Der Einsatz einer derartigen Leitung auf einer Container-Verladeeinrichtung (DE-Z « Siemens-Energietechnik 1983, Seite 188 bis 191) kann in der Weise erfolgen, daß die Leitung beim Verfahren des Hebezeuges ständig in einem Trichter abgelegt und wieder aufgenommen wird. Dabei wird die Leitung über eine größere Höhe senkrecht frei durch die Luft geführt. Unter ungünstigen Witterungsbedingungen, insbesondere bei stürmischem Wind, kann es zu starken seitlichen Ausbiegungen der Leitung kommen, die den Bewegungsablauf der Leitung behindern.For the operation of hoists, transport and conveyor systems, flexible electrical lines have been developed, in which, in the case of the configuration as a control line, the wires are stranded in layers to the core. A support element in the form of a low-expansion steel cable or a low-expansion cable made of non-metallic materials can be arranged in the core of the line (VDE regulation 250c / 8.75, § 814). Aramid-based fibers, for example, are known as non-metallic materials (DE-Z «Kunststoffe 1982, page 486). - The use of such a line on a container loading device (DE-Z «Siemens Energy Technology 1983, pages 188 to 191) can be done in such a way that the line is constantly placed in a funnel and taken up again when moving the hoist. The line is guided freely through the air over a greater height. Under unfavorable weather conditions, especially in stormy winds, there can be strong lateral deflections of the line, which hinder the movement of the line.
Für Aufzugsteuerleitungen ist an sich eine Leitungskonstruktion bekannt, bei der jeweils fünf Adern um einen zugfesten Kern zu einem Bündel verseilt sind und bei der sechs solcher Ader- Bündel um ein Tragorgan verseilt sind.For elevator control lines, a line construction is known per se, in which five cores are stranded around a tensile core to form a bundle and in which six such core bundles are stranded around a support member.
Die so gebildete und mit Textilbeiläufen ausgestattete Seele ist von einer Bespinnung und einem Kunststoffmantel umgeben. Diese Leitungskonstruktion zeichnet sich durch hohe Flexibilität, hohe Biegetüchtigkeit und absolute Stabilität des Aderverbandes aus (DE-Z « Elektrodienst » 1983, Heft 1, Seite 26/27). -Zur Anpassung einer Aufzugsteuerleitung an die technische Entwicklung auf dem Gebiet der elektronischen Steuerung und an den Einsatz von Mikroprozessoren ist im übrigen eine Leitungskonstruktion bekannt, bei der die Adern einen kleinen Querschnitt aufweisen und einlagig um ein Kernelement verseilt sind, das aus einer Bleischnur besteht. Durch dieses Kernelement hohen Gewichtes wird der Einfluß der Isolier- und Mantelwerkstoffe auf das Lauf- und Hängeverhalten der Leitung zurückgedrängt (DE-OS 31 39 018).The soul formed in this way and equipped with textile inserts is surrounded by a braid and a plastic jacket. This line construction is characterized by high flexibility, high flexibility and absolute stability of the wire bundle (DE-Z «Elektrodienst» 1983, Issue 1, page 26/27). To adapt an elevator control line to the technical development in the field of electronic control and to the use of microprocessors, a line construction is known in which the wires have a small cross section and are stranded in one layer around a core element, which consists of a lead cord. This core element of high weight suppresses the influence of the insulating and sheathing materials on the running and hanging behavior of the line (DE-OS 31 39 018).
Ausgehend von einer Leitung mit den Merkmalen des Oberbegriffes des Anspruches 1 (DE-Z « Elektrodienst •) liegt der Erfindung die Aufgabe zugrunde, durch eine konstruktive Veränderung des Leitungsaufbaues die Führbarkeit der Leitung bei Einwirkung von Windkräften zu verbessern und damit den Einsatz dieser Leitung als « Spreader-Leitung " zu ermöglichen.Starting from a line with the features of the preamble of claim 1 (DE-Z "Electrodienst •), the invention has for its object to improve the ductility of the line under the influence of wind forces by a constructive change in the line structure and thus the use of this line as To enable "spreader line " .
Zur Lösung dieser Aufgabe ist gemäß der Erfindung vorgesehen, daß das als Tragorgan ausgebildete Kernelement aus einem Verband von umflochtenen Bleischnüren besteht, auf den ein Geflecht aus zugfesten Kunststoffäden aufgebracht ist, daß das Kernelement jedes Ader-Bündels aus einer umflochtenen Bleischnur besteht und daß in den äußeren Zwickelräumen der Seele umflochtene Bleischnüre angeordnet sind.To achieve this object, it is provided according to the invention that the core element designed as a supporting member consists of an association of braided lead cords, to which a braid of tensile plastic threads is applied, that the core element of each core bundle consists of a braided lead cord and that in the braided lead cords are arranged in the outer gusset spaces of the soul.
Die gemäß der Erfindung vorgesehene Ausgestaltung der Leitung bewirkt eine Erhöhung ihres Eigengewichtes, ohne deren Strömungswiderstand in Querrichtung spürbar zu vergrößern oder deren Flexibilität zu verringern. Damit ist aber das Maß der seitlichen Auslenkung der frei hängenden Leitung bei Windeinwirkung herabgesetzt. Dabei tragen die im Tragorgan angeordneten zugfesten Kunststoffäden, bei denen es sich vorzugsweise um Rovings auf Aramid-Basis handelt, sowohl zur Erhaltung der Flexibilität der Leitung als auch zur Erhaltung der erforderlichen Zugfestigkeit bei. Mit derartigen zugfesten Kunststoffäden können auch die Zwickelräume des als Tragorgan ausgebildeten Kernelementes ausgefüllt sein.The design of the line provided according to the invention increases its own weight without appreciably increasing its flow resistance in the transverse direction or reducing its flexibility. However, this reduces the amount of lateral deflection of the free-hanging line when exposed to wind. The tensile plastic threads arranged in the support member, which are preferably aramid-based rovings, contribute both to maintaining the flexibility of the line and to maintaining the required tensile strength. The gusset spaces of the core element designed as a supporting element can also be filled with such tensile plastic threads.
Ein Ausführungsbeispiel der neuen Leitung ist in der Figur dargestellt.An embodiment of the new line is shown in the figure.
Die Figur zeigt eine bündelverseilte Steuerleitung, in deren Zentrum ein als Tragorgan ausgebildetes Kernelement 1 angeordnet ist. Dieses Kernelement besteht aus sieben Bleischnüren 2, die jeweils mit Polyestergarn umflochten sind, wobei sechs Bleischnüre um eine zentrale Bleischnur herum angeordnet sind. Diese Bleischnüre können parallel verlaufend oder miteinander verseilt angeordnet sein. In den äußeren Zwickelräumen des aus den Bleischnüren 2 gebildeten Verbandes sind Rovings 3 aus zugfesten Kunststoffäden, beispielsweise auf der Basis von Aramid, angeordnet. Bleischnüre und Zwickelfüllungen sind mit einer nicht näher bezeichneten Haltewendel umgeben, die ebenfalls aus zugfesten Kunststoffäden bestehen kann. Darüber ist ein einfaches oder doppeltes, geschlossenes Geflecht 4 aus zugfesten Kunststoffäden, insbesondere aus Aramid-Rovings angeordnet.The figure shows a bundled control line, in the center of which a core element 1 designed as a supporting element is arranged. This core element consists of seven lead cords 2, each of which is braided with polyester yarn, six lead cords being arranged around a central lead cord. These lead cords can be arranged in parallel or stranded together. In the outer gusset spaces of the bandage formed from the lead cords 2, rovings 3 made of tensile plastic threads, for example based on aramid, are arranged. Lead cords and gusset fillings are surrounded by an unspecified holding helix, which can also consist of tensile plastic threads. A single or double, closed braid 4 made of tensile plastic threads, in particular of aramid rovings, is arranged above this.
Um das Tragorgan 1 sind fünf Aderbündel 5 angeordnet, die jeweils aus einem Kernelement 6 und sechs kunststoffisolierten Adern 7 bestehen. Bei dem Kernelement 6 handelt es sich ebenfalls um eine umflochtene Bleischnur. Die Zwickelräume jedes Aderbündels sind mit Lückenfüllungen 8 aus einem Textilgarn oder einem Baumwollmischgarn ausgefüllt. Jedes Aderbündel ist mit einer Folie 9 aus Polyestervlies Umsponnen.Around the support member 1 five
Weitere umflochtene Bleischnüre 10 sind in den Zwickelräumen der aus dem Tragorgan 1 und den Ader-Bündeln 5 bestehenden Seele angeordnet. Die restlichen Zwickelräume sind in bekannter Weise mit einer Zwickelfüllung 11 aus Jute oder Textilfäden gefüllt. Die Leitungsseele als Ganzes ist mit einer zweilagigen Bespinnung 12 aus Polyestervlies und einem Kunststoff mantei 13 umgeben. - Da es sich bei der neuen Leitung nicht um eine trommelbare Leitung handelt, können die Aderisolierungen und der Mantel aus thermoplastischem Kunststoff bestehen, die Aderisolierungen beispielsweise aus Polyvinylchlorid und der Mantel beispielsweise aus Polyurethan.Further braided
Claims (2)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3432600 | 1984-08-31 | ||
| DE19843432600 DE3432600A1 (en) | 1984-08-31 | 1984-08-31 | FLEXIBLE ELECTRICAL CONTROL LINE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0178249A1 EP0178249A1 (en) | 1986-04-16 |
| EP0178249B1 true EP0178249B1 (en) | 1988-11-09 |
Family
ID=6244681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85730106A Expired EP0178249B1 (en) | 1984-08-31 | 1985-08-14 | Flexible electrical control cable |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4677256A (en) |
| EP (1) | EP0178249B1 (en) |
| AU (1) | AU576384B2 (en) |
| DE (2) | DE3432600A1 (en) |
| FI (1) | FI79416C (en) |
| ZA (1) | ZA856643B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006015878A1 (en) * | 2006-04-05 | 2007-10-11 | Nexans | Flexible electric control cable for container loading device, has set of layers of control wires cabled at central unit, where one layer of control wires is surrounded by external cover, and central unit has pair of wires |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4743712A (en) * | 1987-03-30 | 1988-05-10 | Noel Lee | Signal cable assembly with fibrous insulation and an internal core |
| US4910360A (en) * | 1989-01-05 | 1990-03-20 | Noel Lee | Cable assembly having an internal dielectric core surrounded by a conductor |
| US4937401A (en) * | 1989-01-05 | 1990-06-26 | Noel Lee | Signal cable assembly including bundles of wire strands of different gauges |
| US5110999A (en) * | 1990-12-04 | 1992-05-05 | Todd Barbera | Audiophile cable transferring power substantially free from phase delays |
| US5767441A (en) * | 1996-01-04 | 1998-06-16 | General Cable Industries | Paired electrical cable having improved transmission properties and method for making same |
| FR2776120B1 (en) * | 1998-03-12 | 2000-04-07 | Alsthom Cge Alcatel | FLEXIBLE LOW CROSS CABLE |
| JP3278403B2 (en) | 1998-11-05 | 2002-04-30 | 株式会社キンレイ | Stranded wire machine |
| US6318062B1 (en) | 1998-11-13 | 2001-11-20 | Watson Machinery International, Inc. | Random lay wire twisting machine |
| GB0114978D0 (en) * | 2001-06-19 | 2001-08-08 | Koninkl Philips Electronics Nv | Cable |
| GB0114976D0 (en) | 2001-06-19 | 2001-08-08 | Koninkl Philips Electronics Nv | Cable |
| US7495176B2 (en) | 2007-04-10 | 2009-02-24 | Nexans | Flexible electric control cable |
| EP2495733B1 (en) * | 2011-03-03 | 2014-04-30 | Nexans | Flexible electric cable |
| US11389093B2 (en) * | 2018-10-11 | 2022-07-19 | Masimo Corporation | Low noise oximetry cable |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR423695A (en) * | 1909-12-17 | 1911-04-24 | Societe Internationale D Eclairage Par Le Gaz D Hu | Ignition valve for railway car lamps, with gas reserve and permanent ignition flame, reduced during combustion of the main flame |
| US1921606A (en) * | 1928-11-01 | 1933-08-08 | Cremer Carl | Multicore high tension cable |
| DE555953C (en) * | 1929-10-09 | 1932-08-03 | Otto Paetsch | Flexible insert for stretchable and compressible power cables |
| US2953627A (en) * | 1958-09-04 | 1960-09-20 | Pacific Automation Products In | Underwater electrical control cable |
| US3099703A (en) * | 1961-06-28 | 1963-07-30 | Siemens Ag | Communication cable having transposed conductors |
| FR1416231A (en) * | 1963-12-13 | 1965-10-29 | Submarine cable, including telephone cable | |
| FR1491689A (en) * | 1966-08-31 | 1967-08-11 | Siemens Ag | Wire harness conductor, comprising several individual stranded conductors |
| US3857996A (en) * | 1973-06-18 | 1974-12-31 | Anaconda Co | Flexible power cable |
| US3993860A (en) * | 1975-08-18 | 1976-11-23 | Samuel Moore And Company | Electrical cable adapted for use on a tractor trailer |
| US4084065A (en) * | 1976-12-02 | 1978-04-11 | The United States Of America As Represented By The Secretary Of The Navy | Antistrumming cable |
| US4110554A (en) * | 1978-02-08 | 1978-08-29 | Custom Cable Company | Buoyant tether cable |
| DE3139018A1 (en) * | 1981-09-28 | 1983-04-14 | Siemens AG, 1000 Berlin und 8000 München | Flexible electrical control line |
| JPS59144461U (en) * | 1983-03-10 | 1984-09-27 | 株式会社潤工社 | liquid detection sensor |
| DE3336616A1 (en) * | 1983-10-05 | 1985-04-25 | Siemens AG, 1000 Berlin und 8000 München | Drum-windable, flexible electrical cable having strand elements stranded in layers |
| DE3405852A1 (en) * | 1984-02-15 | 1985-08-22 | Siemens AG, 1000 Berlin und 8000 München | MULTI-CORE FLEXIBLE ELECTRICAL CABLE |
-
1984
- 1984-08-31 DE DE19843432600 patent/DE3432600A1/en not_active Withdrawn
-
1985
- 1985-08-14 EP EP85730106A patent/EP0178249B1/en not_active Expired
- 1985-08-14 DE DE8585730106T patent/DE3566183D1/en not_active Expired
- 1985-08-19 US US06/766,930 patent/US4677256A/en not_active Expired - Lifetime
- 1985-08-30 FI FI853342A patent/FI79416C/en not_active IP Right Cessation
- 1985-08-30 AU AU46925/85A patent/AU576384B2/en not_active Expired
- 1985-08-30 ZA ZA856643A patent/ZA856643B/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006015878A1 (en) * | 2006-04-05 | 2007-10-11 | Nexans | Flexible electric control cable for container loading device, has set of layers of control wires cabled at central unit, where one layer of control wires is surrounded by external cover, and central unit has pair of wires |
| DE102006015878B4 (en) * | 2006-04-05 | 2015-12-17 | Nexans | Flexible electrical control line |
Also Published As
| Publication number | Publication date |
|---|---|
| FI79416B (en) | 1989-08-31 |
| FI79416C (en) | 1989-12-11 |
| ZA856643B (en) | 1986-04-30 |
| AU576384B2 (en) | 1988-08-25 |
| AU4692585A (en) | 1986-03-06 |
| US4677256A (en) | 1987-06-30 |
| FI853342A0 (en) | 1985-08-30 |
| DE3432600A1 (en) | 1986-03-13 |
| EP0178249A1 (en) | 1986-04-16 |
| FI853342L (en) | 1986-03-01 |
| DE3566183D1 (en) | 1988-12-15 |
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