EP2867403A2 - Dispositif et procédé de production d'un toron ou d'un câble - Google Patents

Dispositif et procédé de production d'un toron ou d'un câble

Info

Publication number
EP2867403A2
EP2867403A2 EP13739936.6A EP13739936A EP2867403A2 EP 2867403 A2 EP2867403 A2 EP 2867403A2 EP 13739936 A EP13739936 A EP 13739936A EP 2867403 A2 EP2867403 A2 EP 2867403A2
Authority
EP
European Patent Office
Prior art keywords
strands
strand
heating
heating device
plastic
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.)
Withdrawn
Application number
EP13739936.6A
Other languages
German (de)
English (en)
Inventor
Bruno LAUER
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.)
Casar Drahtseilwerk Saar GmbH
Original Assignee
Casar Drahtseilwerk Saar 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 Casar Drahtseilwerk Saar GmbH filed Critical Casar Drahtseilwerk Saar GmbH
Publication of EP2867403A2 publication Critical patent/EP2867403A2/fr
Withdrawn legal-status Critical Current

Links

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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/025—Preforming the wires or strands prior to closing
    • 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
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D07B2201/2061—Cores characterised by their structure comprising wires resulting in a twisted structure
    • 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
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2065—Cores characterised by their structure comprising a coating
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/4018—Rope twisting devices
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/404—Heat treating devices; Corresponding methods

Definitions

  • the invention relates to a device for producing a strand or a rope, in particular a wire strand or a wire rope, comprising a rotatable means for feeding strands to a stranding point, where the strands are wound together, and a device for heating at least one of Has strands.
  • the invention further relates to a method for producing the strand or the rope.
  • the invention has for its object to provide a device of the kind mentioned, can be worked with the energy-saving.
  • this object is achieved in that the heating device is rotatable together with the supply device.
  • the heating device it is possible to arrange the heating device within the said range in which the strands are guided in rotation to the stranding point.
  • heat generated by means of the heating device can be focused on the strand which is to be heated. It only needs a relatively small area heated and consequently less energy to be applied than with the known device.
  • a heating of the device itself, in particular a stranding basket and possibly a preforming head of the feed device is avoided.
  • the heat with which the gas burners can heat the core strand is limited by the fact that the wire strands which are rotating relative to the stranding point can not be so strongly heated that their mechanical properties are impaired Core strand forming strand are heated to a greater extent, since the strong heating of the other strands is avoided by focusing the heat.
  • the plastic can be softened faster and work with higher stranding speeds by the increased heating.
  • the heating of the strand can be controlled better, it is also possible to stress by heating the strand to achieve better mechanical properties before stranding stress. As a result, the life of the strand or the rope can be increased.
  • the heating device is arranged to heat a strand provided for forming a core strand or a core rope.
  • the heating device which expediently comprises a burner for fuel, preferably a gas burner, and / or an electrically operated heating device, preferably a heating resistor, an infrared radiator or / and an induction coil, and / or a device for supplying heated air, is in one Embodiment of the invention arranged in free spaces, leading between the to the stranding point
  • the heating device may alternatively or additionally to the
  • Heating of provided for forming outer strands strands may be provided. This proves to be particularly advantageous if by means of the device, each of the strands used for the production of the wire strand or the wire rope by means of Heating device controlled heated and can be annealed stress-relieved.
  • the heating device is designed for direct heating of only the strands intended for forming the outer strands.
  • the strands can be heated in such a way that they heat the plastic at the stranding point when it rests against the plastic, so that they are pressed into the plastic while softening the plastic, with the plastic deforming plastically.
  • the strands in particular also the strands provided for forming the outer strands, can be covered with plastic and the heating means of the plastic on each of the strands can be specifically heated to soften it for the production of the strand or of the rope. This makes it possible to achieve a more homogeneous arrangement of the strands in the plastic in the rope or in the strand.
  • only the strands intended to form the outer strands are covered with the plastic. These are embedded on the one hand in the wire rope in the plastic, on the other hand, the plastic can form a sheath of the wire rope to the outside.
  • the heating means is rotatably mounted on the feeding means or on a support means fixed to a ground. While it would be conceivable to provide for the rotation of the heating means on the support means own drive, which is synchronized with the rotational movement of the feeder, the heating means is connected in a preferred embodiment of the invention with the supply means, preferably via struts, so that they at moved with his rotary motion.
  • Heating means in particular electrical energy, the heated air or the fuel, via a bearing, by means of which the heating means is rotatably mounted in the support means, fed.
  • the heating means could also be attached directly to the feeding device, in particular to the stranding basket or to the preforming head.
  • a line of the heating means, by means of which the fuel or electrical energy supplied can be in the case expediently also on the supply device, preferably in the said free spaces arranged or guided by the feed device.
  • the required energy or the fuel is expediently fed via a bearing, by means of which the supply device is rotatably mounted in the device.
  • a cavity is provided between the fixed part and the rotatable part of the bearing in the preferred embodiment, through which the fuel is to be passed.
  • the fixed part of the bearing is suitably connected to a fuel source and the rotatable part to the burner. It is understood that the cavity to prevent uncontrolled leakage of the fuel is sealed to the outside, preferably by a mechanical seal or a non-contact seal.
  • the heating means is provided with a heat-insulating means, which preferably comprises a shield.
  • the thermal insulation allows the heat to be better focused and the heating of the environment even better avoided and better energy saved.
  • FIG. 2 shows a detail of the device according to FIG. 1 in section
  • Fig. 4 shows schematically a part of another device according to the invention in front view
  • Fig. 5 shows a detail of the device of FIG. 4 in section.
  • a part of a stranding machine is shown, which comprises a carrier body 21 shown here only partially, in which a preform head 2 is rotatably arranged.
  • a core rope 3 which is provided with a plastic casing, and wire strands 4, which are preformed by means of the preforming head 2, led to a stranding point 5 and the preforming head 2 about its longitudinal axis to the Wire rope 30 wound.
  • the mounting device 8 comprises a pivot bearing 10, which has a fixed outer ring 13 and a rotatable inner ring 14 on the outer ring 14.
  • the inner ring 14 is connected via struts 24 (shown only in FIG. 1 c) to the preforming head 2 or to a shaft 25 that drives the preforming head so that the inner ring 14 is moved when the preforming head 2 rotates.
  • In the outer ring 13 opens a feed gas line 20, via which, in particular Fig. 2 it can be seen, through a cavity 15 of the pivot bearing 10 fuel gas can be passed.
  • the cavity 15 is formed between two ball bearings 18,19 and is over the entire circumference of the pivot bearing 10. It is sealed by a non-contact seal 17, such as a throttle seal, in particular a throttle gap seal or a throttle labyrinth seal, or by a sealing air seal or mechanical seal to the outside, so that gas supplied via the line 20 can flow through the hollow space 15 via the gas lines 22 provided on the inner ring 14 of the rotary bearing 10 to the burners 6.
  • a non-contact seal 17 such as a throttle seal, in particular a throttle gap seal or a throttle labyrinth seal, or by a sealing air seal or mechanical seal to the outside
  • the burner 6 are directed to the core cable 3. They heat a plastic layer, not shown here in detail, which is provided on the core cable 3. The plastic would be softened, so that the strands 4 press in the stranding at Verseiltician 5 in the plastic.
  • the strands 4 are heated by the burner 6 only to a small extent.
  • the device according to the invention can also be used during stranding to stress-relieve the core cable 3 and possibly the wire strands 4. As a result, the mechanical properties of the manufactured cable 30 can be improved. This could be provided (not shown here) additional gas burner, which are directed directly to the wire strands 4.
  • a tube 23 can be arranged in the region in front of a stranding point 5. 5 around a core strand 3 a, in which direction the burners 6 a open.
  • the pipe 23 is intended to shield the heat generated by the burners 6a to the outside. As a result, on the one hand, less gas is needed to heat the plastic, and on the other hand, the strands 4a are protected from being heated by the burners 6a.
  • Fig. 4 shows a part of another device according to the invention, in which a heating means 1 b is formed instead of by said burner 6 by a heating resistor 7, which is arranged around a core rope 3b around.
  • the heating resistor 7 is fixed with brackets 24b to a pivot bearing 10b, which is arranged on a carrier body 21b of the device. Electrical energy required for heating the heating resistor 7 is supplied from the electrical leads 20b, which are guided along the holders 24b to the rotary bearing 10b, by means of a sliding contact shown in FIG. 5 via the rotary bearing 1 Ob.
  • the sliding contact is arranged in a cavity 15b provided between ball bearings 18b, 19b of the rotary bearing 10b and comprises a
  • Slip ring 12 which is connected to the electrical line 20b and has a standing in electrical contact with the slip ring 12 brush 1 1.
  • the heating resistor 7 When producing a wire rope, the heating resistor 7 is rotated together with the holder 24b with a preforming head 2b during the stranding. It is supplied via the electrical lines 20b, 22b and the sliding contact with electrical energy.
  • At least one induction coil is arranged around the core cable 3b, instead of the heating resistor 7, by means of which the core cable 3b is inductively heated.
  • At least one infrared radiator and / or a conduit, by means of which heated air is guided to the core cable, could be provided.

Abstract

L'invention concerne un dispositif de production d'un toron ou d'un câble, en particulier d'un toron métallique ou d'un câble métallique, comportant un dispositif rotatif (2) d'amenée des brins (3, 4) à un point de toronnage (5) où les brins (3, 4) sont enroulés les uns avec les autres, et un dispositif (1) permettant de chauffer un des brins (3, 4). Selon l'invention, le dispositif de chauffage (1) peut tourner en même temps que le dispositif d'amenée (2). Le dispositif de chauffage (2) est de manière appropriée configuré pour chauffer un brin (3) servant à former un toron central ou un câble central, ou des brins (4) servant à former des torons extérieurs, et comporte de préférence un brûleur (6) pour un combustible et/ou ou un dispositif de chauffage électrique (7).
EP13739936.6A 2012-07-02 2013-07-02 Dispositif et procédé de production d'un toron ou d'un câble Withdrawn EP2867403A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012105817 2012-07-02
PCT/DE2013/100243 WO2014005577A2 (fr) 2012-07-02 2013-07-02 Dispositif et procédé de production d'un toron ou d'un câble

Publications (1)

Publication Number Publication Date
EP2867403A2 true EP2867403A2 (fr) 2015-05-06

Family

ID=48856477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13739936.6A Withdrawn EP2867403A2 (fr) 2012-07-02 2013-07-02 Dispositif et procédé de production d'un toron ou d'un câble

Country Status (4)

Country Link
US (1) US10190256B2 (fr)
EP (1) EP2867403A2 (fr)
DE (1) DE112013002577A5 (fr)
WO (1) WO2014005577A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3008469B1 (fr) * 2013-07-11 2015-08-14 Technip France Roue de guidage pour les ensembles de pose de couches de fils d'armure
CN107905008A (zh) * 2017-12-21 2018-04-13 贵州钢绳股份有限公司 一种复合芯索道钢丝绳及其制造方法

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DE1510867A1 (de) * 1966-02-21 1970-07-02 Palitex Project Co Gmbh Doppeldrahtzwirnmaschine
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US3530661A (en) * 1969-03-21 1970-09-29 Schlumberger Technology Corp Method for prestressing armored cable
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Also Published As

Publication number Publication date
US10190256B2 (en) 2019-01-29
WO2014005577A2 (fr) 2014-01-09
DE112013002577A5 (de) 2015-04-02
WO2014005577A3 (fr) 2014-03-20
US20150152596A1 (en) 2015-06-04

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