EP0013047B1 - Vorrichtung zum Herstellen von Kabeln, insbesondere von Fernmeldekabeln - Google Patents

Vorrichtung zum Herstellen von Kabeln, insbesondere von Fernmeldekabeln Download PDF

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Publication number
EP0013047B1
EP0013047B1 EP79200756A EP79200756A EP0013047B1 EP 0013047 B1 EP0013047 B1 EP 0013047B1 EP 79200756 A EP79200756 A EP 79200756A EP 79200756 A EP79200756 A EP 79200756A EP 0013047 B1 EP0013047 B1 EP 0013047B1
Authority
EP
European Patent Office
Prior art keywords
eccentric
stranding
discs
guide ring
cables
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
Application number
EP79200756A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0013047A1 (de
Inventor
Johannes Gerardus Gertrudis Bos
Hendricus Johannes Petrus Marie Pollaert
Johannes Lambertus Hendrikus Sijben
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Koninklijke Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Priority to AT79200756T priority Critical patent/ATE6819T1/de
Publication of EP0013047A1 publication Critical patent/EP0013047A1/de
Application granted granted Critical
Publication of EP0013047B1 publication Critical patent/EP0013047B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H01B13/0214—Stranding-up by a twisting pay-off device
    • 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
    • D07B7/04—Devices for imparting reverse rotation to bobbin- or reel cages

Definitions

  • the invention relates to a device for producing cables, in particular telecommunication cables, with an unwinding basket with unwinding reels, a stranding device, a winding reel and a reversing device, the unwinding basket and the stranding device being rotatable relative to one another about a stranding axis.
  • the tendency to jump open can be reduced in a simple manner by at least partially reversing the torsional stresses; To do this, the individual wires are turned back. H. around its center line with a torsion opposite to the stranding direction, so that a dimensionally stable cable is obtained without a tendency to crack.
  • the devices for stranding wires into a cable are provided with a reversing device.
  • Such a device is known from DE-B-1 026 205; this known device contains a rotatable unwinding basket with a central shaft on which the unwinding reels are arranged; To unwind the wires, the decoilers are freely rotatable in yokes which can be rotated by means of a planetary gear around an axis parallel to the center line of the central shaft and in a direction opposite to the stranding direction.
  • This known device has the disadvantage that the dimensions and the weight of the full unwinding reels as well as the maximum rotational speed of the unwinding basket and consequently the production speed are limited by the relatively large mass forces that occur, by the combined rotational and translational movement of the unwinding reels and by the rotational movement of the yokes will.
  • the backward rotation is either 0 ° or 360 °.
  • the invention has for its object to provide a device which is suitable for stranding wires to a cable and for armoring cables with a predetermined torsion or torsion-free, which can process both a very small number and a relatively large number of wires and with which, at a very high production speed, the reverse rotation effect is continuously changed from 0 ° to over 360 ° or even, if desired, a negative reverse rotation effect, i. H. increased torsion of the veins can be obtained.
  • the reversing device has two disks which are mounted in a rotatable guide ring, of which one disk is arranged coaxially to the stranding axis and the other disk with an eccentricity with respect to the stranding axis, in the two disks
  • Eccentric axles are mounted with an eccentricity corresponding to the eccentricity between the disc and the stranding axis, and each eccentric axis is provided with an axial bore and a clamping element.
  • a device for producing cables which serves to pre-form the individual wires in the form of a screw line and which also has two rotatable disks; however, both disks are arranged coaxially on a common shaft and are driven in a fixed gear ratio from the shaft; eccentric disks are mounted in one of the two disks, which interact with a ring gear via gearwheels; this design requires ver a relatively large amount of space so that only a limited number of wires can be processed.
  • a device for producing cables which has a plurality of rotatably mounted disks arranged one behind the other; the disks are used for meandering stranding of the individual wires and for this purpose perform an oscillating movement in the circumferential direction.
  • the two disks are supported by rolling elements in the guide ring, the outer circumference of the disks and two mutually eccentric annular guide tracks on the inner circumference of the guide ring serving as raceways for the rolling elements.
  • the measures mentioned and a suitable choice of the eccentricity of the disks, the eccentric axes and the guideways on the inner circumference of the guide ring limit the friction forces and wear that occur as much as possible and increase the reliability and insensitivity to failure of the device.
  • the two disks are guided in the circumferential direction and in the radial direction by the rolling elements which interact with the guide tracks and act as radial bearings. Alignment of the two disks in the axial direction is also obtained in another preferred embodiment of the device according to the invention, which is characterized by spherical rolling elements, the guideways being designed in the form of grooves.
  • the spherical rolling elements, which are partially enclosed in the groove-shaped guideways, are also effective as axial bearings and ensure the alignment of the two disks in the axial direction.
  • one of the two disks can be coupled to a drive shaft, while the guide ring can be driven by means known per se, the reversing device being overhung.
  • a more robust and vibration-free mounting of the reversing device is at - obtained by a further preferred embodiment of he f indungsge- MAESSEN device, that the guide ring is provided with a ring gear and rotatably supported in a stationary Unerstützungsring on the outer circumference.
  • the fact that the guide ring is driven in a positive manner via a gearwheel which interacts with the ring gear enables the reverse rotation effect to be precisely determined.
  • the decoilers can be fixed in place, with a rotatable stranding device being arranged behind the reversing device.
  • the unwinding basket is rotatable, one of the two disks being rigidly connected to the unwinding basket.
  • Devices with a rotatable unwinding basket without reversing device and without reversing the unwinding reels are generally known. Such rather expensive devices can be connected to a reversing device with the characteristics described above, without overly intrusive design measures, so that torsion-free and dimensionally stable cables can now also be produced with such a device.
  • the device 1 shown in FIGS. 1 and 2 for stranding wires to a cable contains an unwinding basket 3 with unwinding reels 5, a reversing device 7, a stranding nozzle 9,. a pull drum 11 and a take-up reel 13.
  • the unwinding basket 3 consists essentially of a hollow basket shaft 15 which is rotatably mounted in bearing blocks 17.
  • the unwinding reels 5 are freely rotatable on axles in a manner known per se, which axles are indicated schematically by 19 and are connected in a fixed manner to the basket shaft 15 and are evenly distributed over the circumference and the length of the basket shaft. For the sake of clarity, only a few decoilers are shown in the drawing.
  • the reversing device 7 is coupled to the basket shaft 15 by means of a hollow coupling shaft 21.
  • the common center line of the unwinding basket 3, the reversing device 7 and the stranding nozzle 9 is designated by X-X.
  • the unwinding basket 3 is driven by an electric motor 29 and a multi-part drive shaft 27 via a switch box 25, the reversing device 7 via a variator or gear box 30 and the pull drum 11 via a variator 10.
  • the direction of rotation of the basket shaft 15 can be reversed by means of the switch box 25.
  • the take-up reel 13 is driven by a separate motor 12.
  • the reversing device 7 contains two disks 31 and 33,. a guide ring 35, which consists of two fixed ring parts 37 and 39 and a support ring 41 surrounding the ring part 37.
  • the support ring 41 is provided on the inner circumference with a groove 43, while a groove 45 is provided on the outer circumference of the ring part 37.
  • the grooves 43 and 45 serve as raceways for ball elements 47, by means of which the guide ring 35 is mounted coaxially and rotatably in the support ring 41.
  • a groove 49 on the inner circumference of the ring part 37 and a groove 51 on the outer circumference of the disk 31 serve as raceways for ball elements 53, with the aid of which the disk 31 is rotatable and is mounted coaxially with respect to the ring part 37 and the support ring 41.
  • a groove 55 on the inner circumference of the ring part 39 and a groove 57 on the outer circumference of the disk 33 act as raceways for ball elements 59, with the aid of which the disk 33 is rotatably supported.
  • the ring part 39 is provided with a ring gear 40 on the outer circumference.
  • YY denotes the common center line of the disk 31, the ring part 37, the support ring 41 and the ring gear 40.
  • ZZ denotes the common center line of the grooves 55 and 57 and the disk 33, which center line extends eccentrically, with an eccentricity E, to the center line YY.
  • the disks 31 and 33 are provided with an equal number of bores 61 and 63, in which the two disks have common eccentric axles 65 with their axles 67 and the eccentric 69 through roller bearings 71 and 73, respectively.
  • the eccentricity of the eccentric axes 65 i.e. H. the distance between the center lines RR and SS of the axes 67 and the eccentric 69 is equal to the eccentricity E of the two disks 31 and 33.
  • the eccentric axes 65 are each provided with a bore 75 coaxial with the axis 67 and with a guide wheel 77 acting as a clamping element, which is provided with a groove 79 and is fastened with the aid of a carrier 81 on the end face of the eccentric 69 such that a bore 83 in the carrier 81 and the bore 75 in the eccentric axis 65 are aligned and that the groove 79 in the guide wheel 77 almost touches the center line RR of axis 67.
  • guide rollers 87 with a groove 89 are fastened at the level of the bores 61 with the aid of brackets 85 such that a bore 91 in the brackets 85 with the bore 75 in the eccentric axes 65 comes to lie flush and that the groove 89 in the guide rollers 87 almost touches the center line RR of the bore 75.
  • the guide wheels 77 and the guide rollers 87 are preferably arranged such that the side surfaces of all the guide wheels 77 come to lie in parallel planes and the guide rollers 87 with their side surfaces come to lie in radial planes. For the sake of clarity, only two guide wheels 77 and only one guide roller 87 are shown in FIG. 4, namely in the same plane.
  • the disk 31 is provided with a central bore 93 in which a hollow shaft 95 is fastened such that the center line of the shaft coincides with the center line Y-Y of the disk 31.
  • the disk 33 is provided with a central bore 97 which is covered by a plate 98 and a membrane 99.
  • the support ring 41 is fastened in the housing 8 of the reversing device 7, the disk 31 being coupled to the basket shaft 15 via the coupling shaft 21.
  • the ring gear 40 on the outer circumference of the ring part 39 is used in cooperation with a gear to drive the guide ring 35 through the drive shaft 27.
  • the guide ring 35 can be rotated at a step-wise or continuously variable rate and be driven in the two directions of rotation.
  • the device 1 is also provided with bores 16 shown schematically in FIGS. 1 and 2 in the basket shaft 15, with guide rollers 18 on the basket shaft between the bearing block 17 and the reversing device 7 and with guide wheels 94 which are carried by a carrier 96 fastened on the hollow shaft 95.
  • the strands D drawn from the unwinding reels 5 are stranded by the rotation of the basket shaft 15 with respect to the stationary stranding nozzle 9 to form the cable C, with an increase which is dependent on the rotational speed of the basket shaft 15 and on the linear speed of the cable C, which the latter speed is determined by the rotational speed of the pull drum 11.
  • the individual wires D are twisted in the running direction of the wires D as a result of the relative rotational movement of the basket shaft 15 relative to the stranding nozzle 9 in the stranding direction.
  • the torsional stresses thereby generated in the wires D are partially or completely canceled out or even balanced out by the individual wires being turned back over a certain angle by means of the reversing device.
  • the disc 31 is driven by the basket shaft 15 at the same rotational speed and in the same direction of rotation and takes the disc 33 with it via the eccentric axes 65.
  • the reverse rotation effect is now determined by the relative rotational speed and the direction of rotation of the guide ring 35 on the one hand and the disks 31 and 33 on the other hand.
  • the two disks 31 and 33 perform a relative eccentric movement, as a result of which the eccentric axes 65 about the center line RR of their axis 67 over an angle corresponding to 360 ° per revolution of the two disks and consequently per revolution hung the basket shaft 15 are rotated.
  • the direction of rotation of the eccentric axes is opposite to the direction of rotation of the disks.
  • the wires D wrapped around the guide wheels 77 are rotated back through an angle corresponding to 360 °, whereby the torsional stresses in the wires D are at least largely eliminated.
  • the two disks carry out an accelerated relative eccentric movement, as a result of which the eccentric axes 65 are rotated through an angle of twice 360 ° per revolution of the disks, namely in a direction of rotation opposite to the direction of rotation of the disks; in this way, the torsional stresses can be balanced.
  • any desired torsion effect on the individual wires can be obtained. If the rotational speed of the guide ring 35 is gradually increased from a standstill to the rotational speed of the cage shaft 15, the direction of rotation corresponding to that of the cage shaft, the backward rotation decreases from 360 ° to 0 °. At a rotational speed greater than that of the cage shaft 15, the wires are not turned back, but twisted more, whereby the torsional stresses can rise to a maximum value. If the guide ring 35 is rotated from a standstill with increasing rotational speed in a direction opposite to the direction of rotation of the basket shaft 15, the backward rotation increases by 360 °.
  • wires D are twisted into a cable C.
  • the wires D can also be wound around a core cable or a core wire K which is pulled by an unwinding reel 14 and fed through the hollow basket shaft 15, the hollow coupling shaft 21 and the hollow shaft 95 and through the stranding nozzle 9, where the wires D are wrapped around the core cable K.
  • the mode of operation is as far as the twisting back of the wires D is concerned, as described above.
  • the device can be used in an equally advantageous manner for stranding cores to form a cable or for armoring cables, a cable being fed and provided with a multi-core reinforcement made of steel cores, wire-shaped reinforcement cores made of steel wire optionally being provided with a plastic sheath the described manner can be knocked around the cable with a defined torsion.
  • a reverse rotation of more than 360 ° is used to compensate for the elastic springback of the cores after the reverse rotation.
  • over-balancing has proven to be useful because it can further improve the dimensional stability.
  • the extent of the back twist depends on the dimensions and the material of the wires as well as on the pitch of the stranded wires in the cable and on the cable diameter.
  • the device according to the invention is characterized in particular by a very compact construction of the reversing device 7.
  • the guide ring 35 had a maximum outer diameter of 830 mm, eccentric axes 65 with an equal number of guide wheels 77 being arranged in the disks 31 and 33, 36 .
  • 36 wires or conductors could consequently be processed simultaneously.
  • the rotating parts are driven by a single electric motor via a common drive shaft.
  • the individual parts can be driven by individual motors.
  • the invention also includes mechanical equivalents of certain elements;
  • the spherical elements for supporting the disks can be replaced by cylindrical rolling elements or by a plain bearing; the guide ring assembled from two parts can also be formed in one piece; instead of the guide wheels acting as clamping elements, other elements suitable for this purpose can also be used.
  • steel cables and electrical cables, in particular telephone cables can be produced.
  • the device for twisting overmolded wires of groups of four can be used for telephone cables; in the case of optionally eccentrically overmolded wires, the eccentricity is distributed over the length of four, so that the K value for a group of four is stranded in this way, reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ropes Or Cables (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Executing Machine-Instructions (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Communication Cables (AREA)
  • Cable Accessories (AREA)
EP79200756A 1978-12-28 1979-12-12 Vorrichtung zum Herstellen von Kabeln, insbesondere von Fernmeldekabeln Expired EP0013047B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79200756T ATE6819T1 (de) 1978-12-28 1979-12-12 Vorrichtung zum herstellen von kabeln, insbesondere von fernmeldekabeln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7812593 1978-12-28
NL7812593A NL7812593A (nl) 1978-12-28 1978-12-28 Inrichting voor het vervaardigen van kabels, in het bijzonder van communicatiekabels.

Publications (2)

Publication Number Publication Date
EP0013047A1 EP0013047A1 (de) 1980-07-09
EP0013047B1 true EP0013047B1 (de) 1984-03-21

Family

ID=19832136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79200756A Expired EP0013047B1 (de) 1978-12-28 1979-12-12 Vorrichtung zum Herstellen von Kabeln, insbesondere von Fernmeldekabeln

Country Status (7)

Country Link
US (1) US4450674A (ja)
EP (1) EP0013047B1 (ja)
JP (1) JPS5591508A (ja)
AT (1) ATE6819T1 (ja)
DE (1) DE2966844D1 (ja)
FI (1) FI68478C (ja)
NL (1) NL7812593A (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3503254A1 (de) * 1984-04-12 1985-10-17 Siemens AG, 1000 Berlin und 8000 München Zweistufige verseileinrichtung fuer nachrichtenkabel
DK263285A (da) * 1984-06-15 1985-12-16 Nkf Groep Bv Fremgangsmaade ved og arrangement til frembringelse af et koncentrisklag af traadmateriale paa et kabel
US4947637A (en) * 1989-03-14 1990-08-14 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for making multistrand superconducting cable
FR2737337B1 (fr) * 1995-07-26 1997-09-19 Kertscher Sa E Station de cablage pour machine de cablage alterne ou de type sz
US6378283B1 (en) 2000-05-25 2002-04-30 Helix/Hitemp Cables, Inc. Multiple conductor electrical cable with minimized crosstalk
CN102708994A (zh) * 2012-06-26 2012-10-03 苏州古河电力光缆有限公司 绞线退扭装置
CN105448431A (zh) * 2013-04-19 2016-03-30 江苏亨通线缆科技有限公司 用于通信电源软电缆的绞合装置
CN103474174B (zh) * 2013-09-05 2017-07-14 无锡华昊电器股份有限公司 一种螺旋电缆退扭机的退扭牵引装置
CN103489533B (zh) * 2013-09-05 2017-07-14 无锡华昊电器股份有限公司 一种螺旋电缆退扭机
CN104332254A (zh) * 2014-10-20 2015-02-04 大连德昌线缆有限公司 一种630悬臂式退扭机
CN115308860B (zh) * 2022-08-05 2024-01-26 山东圣海光纤科技有限公司 一种螺旋光纤铠装束缆加工装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR736140A (fr) * 1932-04-29 1932-11-19 Dispositif pour le cintrage hélicoïdal des fils pour câble
US2412196A (en) * 1942-10-24 1946-12-10 Bell Telephone Labor Inc Method of and apparatus for producing stranded cables
US2530726A (en) * 1948-12-16 1950-11-21 Bell Telephone Labor Inc Cable stranding machine
CA615756A (en) * 1954-12-06 1961-03-07 L. Bryan Chester Cable stranding apparatus
DE1026205B (de) * 1956-09-28 1958-03-13 Felten & Guilleaume Carlswerk Verseilmaschine mit Rueckdreheinrichtung
US3130754A (en) * 1960-11-30 1964-04-28 American Chain & Cable Co Push-pull cable casings
GB990691A (en) * 1961-10-12 1965-04-28 Anaconda Wire & Cable Co Improvements in electric cable, method and apparatus for stranding same
US3133402A (en) * 1962-04-12 1964-05-19 Anaconda Wire & Cable Co Strander
US3106815A (en) * 1962-05-07 1963-10-15 Vector Cable Company Apparatus and method for forming stranded cables
US3319412A (en) * 1965-06-14 1967-05-16 Central Transformer Corp Conductor transposing apparatus
GB1180452A (en) * 1967-11-01 1970-02-04 British Insulated Callenders Improvements in or relating to the Manufacture of Electric Cables
CH560952A5 (ja) * 1973-01-29 1975-04-15 Sofisa Societe Financiere Sa

Also Published As

Publication number Publication date
JPS6315687B2 (ja) 1988-04-06
EP0013047A1 (de) 1980-07-09
DE2966844D1 (en) 1984-04-26
ATE6819T1 (de) 1984-04-15
NL7812593A (nl) 1980-07-01
JPS5591508A (en) 1980-07-11
FI794033A (fi) 1980-06-29
FI68478B (fi) 1985-05-31
US4450674A (en) 1984-05-29
FI68478C (fi) 1985-09-10

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