EP3545127A1 - Dispositif d'écartement de câbles tendeurs, dispositif et procédé de lubrification de câbles tendeurs - Google Patents

Dispositif d'écartement de câbles tendeurs, dispositif et procédé de lubrification de câbles tendeurs

Info

Publication number
EP3545127A1
EP3545127A1 EP17811251.2A EP17811251A EP3545127A1 EP 3545127 A1 EP3545127 A1 EP 3545127A1 EP 17811251 A EP17811251 A EP 17811251A EP 3545127 A1 EP3545127 A1 EP 3545127A1
Authority
EP
European Patent Office
Prior art keywords
tensioning
spreading
passage
strand
lubricant
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.)
Granted
Application number
EP17811251.2A
Other languages
German (de)
English (en)
Other versions
EP3545127B1 (fr
EP3545127C0 (fr
Inventor
Ingo Meyer
Karsten Albers
Joachim Jung
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.)
Wobben Properties GmbH
Original Assignee
Wobben Properties 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 Wobben Properties GmbH filed Critical Wobben Properties GmbH
Publication of EP3545127A1 publication Critical patent/EP3545127A1/fr
Application granted granted Critical
Publication of EP3545127B1 publication Critical patent/EP3545127B1/fr
Publication of EP3545127C0 publication Critical patent/EP3545127C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D07B7/16—Auxiliary apparatus
    • D07B7/18—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes
    • D07B7/185—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes for temporarily untwisting ropes or cables into constituent parts for applying a coating
    • 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
    • D07B7/16—Auxiliary apparatus
    • D07B7/18—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes
    • 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
    • D07B7/12—Machine details; Auxiliary devices for softening, lubricating or impregnating ropes, cables, or component strands thereof

Definitions

  • the present invention relates to a device for spreading a multi-strand tensioning strand, in particular steel tensioning strands.
  • the device further relates to a device for lubricating a multi-strand tensioning strand, in particular steel stranded strand.
  • the invention relates to a method for spreading a multi-strand tensioning strand, in particular steel tensioning strand, and a method for lubricating a multi-stranded tensioning strand, in particular steel stranded strand.
  • Ummantelungsanla- conditions For attaching the plastic sheath generally known Ummantelungsanla- conditions are used, which work by means of plastic extrusion.
  • the invention was therefore the object of developing a device of the type mentioned in that the disadvantages found in the prior art are largely eliminated.
  • the invention has for its object to provide a device for spreading a multi-strand tensioning, is facilitated with the spreading, which in particular allows to introduce lubricant into the interior of the tension cord, without having to thread the beginning of the tensioning wire, which further in particular a continuous mode of production allows.
  • the invention solves the underlying object in a device for spreading a multi-strand tensioning strands, in particular steel clamping strands, with the features of claim 1. It is proposed that the device has a base body with a passage opening for the entire prestressing strand, and a number of spreading elements , which are arranged radially movable in the base body, and each having a tapered in the radial direction inwardly formed contour for engaging and generating a gap between each adjacent strands of the tensioning strand.
  • the invention makes use of that the tensioning wire according to This concept does not need to be frayed into the individual strands at its end in the strand, but rather that the entire tensioning strand is introduced into a common passage opening, so that the expansion elements can act on the exposed strands of the tensioning strand from the outside.
  • the invention makes use of the knowledge that no large distances between the strands of the stranded wire are necessary. For penetration of lubricant such as grease small gaps are already sufficient.
  • a strand of the tensioning strand is understood to mean both a wire and a stranded wire.
  • a number of strands is understood according to the invention to mean a number comprising 1 and an integer multiple of 1.
  • the device has 2, 3, 4 or 6 spreading elements.
  • the spreading elements are pin-shaped.
  • the expansion elements are particularly preferably essentially cylindrical expansion mandrels which, at their radially inner end, have a tip arranged for spreading in relation to the passage opening.
  • the spreading elements each have a spreading roller, which is rotatably mounted in a radially movable piston.
  • the radial mobility of the piston also refers to the passage opening. The advantage of the spreading rollers lies in the reduced sliding friction when pulling through the tensioning strand through the device for spreading the tensioning strand.
  • the base body is mounted rotatably about an axis of rotation in the device, at least by a predetermined angular range, wherein the axis of rotation is aligned substantially parallel, in particular coaxial, to a feedthrough direction of the prestressing strand through the passage opening.
  • the spreading elements are each arranged radially movable by means of a thread in the body.
  • a thread in the body By screwing the spreading into the thread is quite accurately adjustable, how strong the spreading of the tensioning wire should be, as well as to ensure easy adaptation to different Spannlitzen pressmesser. If the threads are formed with a sufficiently low thread pitch, for example as a self-locking thread, also an automatic adjustment of the spreading is almost impossible.
  • counter elements or other fixing mechanisms can be provided.
  • the spreading elements are each actuated hydraulically or pneumatically.
  • the spreading elements each have a piston surface, which is arranged in a piston chamber, wherein the piston chamber can be acted upon in each case with a fluid pressure.
  • the piston chambers are preferably fluid-conducting with a, in particular common, control pressure line in connection.
  • the spreading elements are actuated electromagnetically.
  • the spreading elements are adapted to be deflected in each case by means of a wedge slide.
  • the respective wedge slide are guided guided in the passage direction of the steel stranded strand.
  • the spreading elements are preferably moved inward or outward in the radial direction.
  • the spreading elements particularly preferably have a sliding surface or a rolling body operatively connected to the wedge slide.
  • the wedge slides are in turn driven, for example, mechanically, electromagnetically, pneumatically or hydraulically.
  • the device according to another aspect, as mentioned above, also relates to a device for lubricating a multi-strand tensioning strand, in particular steel tensioning strands.
  • the invention solves the underlying task by a such device proposes, with a passage passage for the tensioning strand, a lubricant channel opening into the passage passage, which is fluid-conductively connected to at least one pressure generator, wherein the lubricant channel is associated with a device according to one of the preferred embodiments described above.
  • the invention makes use of the advantages of the automatic lubrication spreading device according to the invention in this aspect.
  • it is no longer necessary to spread the strand previously by means of a conventional Aufsp Sonrings manually from the beginning of strand, and it is the first time an automated, continuous production of a lubricated tensioning wire allows for feeding to a sheathing.
  • the device for spreading the tensioning cord is arranged in the passage passage.
  • the at least one pressure generator is preferably configured to convey lubricant under overpressure through the lubricant channel into the feedthrough passage.
  • the device has a first lubricant channel disposed upstream of the spreader and a second lubricant channel disposed downstream of the spreader. While the first lubricant channel preferably serves to introduce lubricant into the feed-through passage, which is then provided for penetrating the spread-out tensioning wire, the second lubricant channel is provided to introduce lubricant into the feed-through passage in order to additionally lubricate the internally lubricated tensioning wire on the outside.
  • the device comprises a lubricant scraper, which is arranged at the outlet end of the feedthrough passage and dimensioned to strip excess lubricant and in holding the feedthrough passage so that the tensioning wire exits from a passage of passage of a defined lubricant film having a mean outer lubricant diameter defined by the lubricant scraper.
  • the at least one pressure generator is particularly preferably configured to deliver a predetermined amount of lubricant through the lubricant channel as a function of a conveying speed of the tensioning strand through the feedthrough passage. More preferably, the at least one pressure generator is adapted to lubricant at a delivery rate in a range of about 25 g / meter tensioning cable or more, more preferably 50 g / meter tensioning cable or more, in particular in a range of 55 g / meter to 100 g / Meter to release tensioning cable.
  • the invention relates to a method for spreading a multi-strand tensioning strand, in particular steel tensioning strands.
  • the invention solves the underlying problem by proposing such a method comprising the steps:
  • the invention relates to a method for lubricating a multi-strand tensioning strand, in particular steel tensioning strands.
  • the invention solves the underlying object by proposing such a method comprising the steps of: passing the tensioning cord through a feedthrough passage, dispensing lubricant onto the tensioning strand within the feedthrough passage, and spreading the tensioning wire before dispensing the lubricant, wherein the spreading in a according to one of the above-described and preferred embodiments takes place.
  • the lubricating method according to the invention also makes use of the advantages and embodiments described above with reference to the devices according to the invention.
  • the invention relates to the use of a device having a base body, with a passage opening for the entire tensioning strand, and a number of expansion elements, which are arranged so as to be radially movable in the base body and each have a contour which tapers inwardly in the radial direction, for spreading a multi-stranded tensioning strands, in particular steel tensioning strands, wherein the spreading elements engage between respectively adjacent strands of the tensioning cable and generate a gap between the adjacent strands.
  • Figure 1a is a schematic representation of a lubricating and spreading device according to a first preferred embodiment
  • FIG. 1 b a schematic representation of a lubricating and spreading device according to a second exemplary embodiment
  • Figure 2 is a schematic partial spatial view of the lubricating
  • Figure 3 is a further perspective view of a portion of the lubricating and
  • Figure 4 is a schematic complete view of the lubricating and spreading device according to a preceding figures.
  • FIG. 1a shows a lubricating device 100 for lubricating a steel tensioning rope 301, which consists of several strands.
  • the lubricating device 100 has a spreading device 1 for spreading the multi-strand steel tensioning cable 301.
  • the spreading device 1 has a main body 3, in which a number of spreading elements 5a, b, c are arranged radially movable.
  • the radial mobility here refers to a passage opening 7, which is formed in the base body 3.
  • the spreading elements 5 a, b, c are thus essentially movable toward and away from the center of the lead-through opening 7.
  • the spreading elements 5a, b, c On their, relative to the passage opening 7, radially inner side, the spreading elements 5a, b, c have a tapered contour, which is adapted to intervene between adjacent strands of the steel tensioning cable 301, and to displace them so laterally, indicated by small arrows, that between the adjacent strands of Stahlspannseils 301, a small gap 13 is formed.
  • lubricant 200 is in a passage passage 105, which is preferably coaxial with the passage opening 7 of the spreading device 1 is pressed through a lubrication channel 101.
  • the main body 3 is preferably pivotable or rotatable in the direction of the arrows 15, at least by a certain angle.
  • the axis of rotation is preferably the designated center axis of the passage opening 7 or passage passage 105.
  • the second exemplary embodiment according to FIG. 1 b is structurally very similar to the exemplary embodiment according to FIG. 1 a. Identical or functionally identical elements are provided with the same reference numerals.
  • the spreading elements 5a-b are formed pin-shaped
  • the spreading elements 9a-c according to the second embodiment each spreader rollers 1 1 a-c, which are rotatably mounted in the piston-shaped spreading elements 9a-c.
  • the displacement operation is essentially the same.
  • the spreading elements 1 1a-c are moved radially inward, whereby they engage between adjacent strands of the steel tensioning cable 301, and displace the adjacent strands respectively in the direction of the small arrows, so that in each case gaps 13 are formed between the adjacent strands. through which lubricant 200 can then be introduced through a lubricant channel 101 in an adjacent lubrication level B.
  • the spreading elements 5a-c and 9a-c are preferably operated hydraulically or pneumatically, or electromagnetically. Alternatively, the spreading elements 5a-c and / or 9a-c are mechanically movable by means of thread adjustment.
  • FIG. 2 and 3 respectively sectional views of the lubricating and spreading device are shown.
  • the spreading elements 9a to c according to the exemplary embodiment of FIG. 1b are shown here.
  • the description of the figures should be understood to mean that instead of the embodiment according to FIG Spreading device according to Figure 1a may be provided in the subject matter of Figures 2 to 4.
  • FIG. 2 shows a partial section of the spreading device 1.
  • the passage passage 105 and the passage opening 7 of the main body 3 are aligned coaxially with respect to the longitudinal axis A.
  • the running direction of the tensioning cord is indicated by the arrow L.
  • Particular attention is given in Figure 2, the operation of the expansion elements (spreading elements 9a, b).
  • Rolling elements 17, which are in operative connection with a wedge surface 19, are respectively arranged on the spreading elements 9a, b.
  • the wedge surface 19 is formed on a cylindrical hollow body 22, which is translationally movable in the direction of the arrow Pi, substantially parallel to the axis A.
  • the spreading device 1 has a Spannlitzeneinlassseite 25 and an oppositely arranged Spannlitzenauslassseite 27.
  • a flange is attached to the housing of the spreading device 1, in which an inlet opening 23 for supplying lubricant 200 into the feedthrough passage 105 is formed.
  • the spreading device further comprises a manifold 31 which is fluidly connected to the passage passage 105 and by means of a shut-off 29 is releasable and lockable. By means of this manifold lubricant can be selectively drained from the passage passage 105.
  • the lever 21 is pivotable from a first starting position 35 into a second starting position 37.
  • the first starting position 35 represents a release position, in which the tensioning wire is carried out substantially unhindered through the feedthrough passage, while the spreading elements in the second starting position 37 are in an expanded position, penetrate into the tensioning wire and spread it apart.
  • the slotted guide 33 has a helical profile relative to the axis A, so that the lever position in the second starting position 37 is rotated relative to the first starting position 35 by an angle alpha and offset by an offset x in the direction of the axis A. This offset corresponds to the movement of the wedge surface 19 ( Figure 2), which has a radial of the spreading elements (9 a, b shown) depending on the angle of the wedge surface result.
  • FIG. 4 shows a schematic representation of the complete lubricating device 100 by way of example.
  • the lubricating device 100 has an access 201 for supplying lubricant 200.
  • the access 201 is connected in a fluid-conducting manner to the first lubricant channel 101 (see Figures 1a, b) and a lubricant channel 102.
  • Interposed as part of the Schmierstoffausbringvoriques preferably at least one pressure generator.
  • a first pressure generator 103 and a second pressure generator 104 are provided for the two lubrication channels 101 and 102. With the two pressure generators 103, 104, it is possible to predetermine the pressure of the first lubricant channel 101 independently of the pressure of the second lubricant channel 102.
  • the second lubricant passage 102 is located downstream of the spreader 1 and supplies lubricant to the passage 105 later from outside.
  • the proportion of the lubricant supplied by the second lubricant passage 102 contributes to the lubrication of the tensioning cord 301 on its periphery. Excess lubricant is removed from the tensioning cord 301 by means of a stripper 107 arranged on the outlet side of the lubricating device 100, so that the tensioning strand 301, on exiting the lubricating device 100, has a lubricant film of defined thickness.

Landscapes

  • Ropes Or Cables (AREA)
  • Flexible Shafts (AREA)

Abstract

L'invention concerne un dispositif (1) servant à écarter un câble tendeur (301) à plusieurs brins, en particulier des câbles tendeurs en acier, comportant un corps de base (3) muni d'une ouverture de passage (7) pour l'ensemble du câble tendeur et d'un certain nombre d'éléments d'écartement (5a-5c, 9a-9c) qui sont agencés de manière mobile radialement dans le corps de base (3) et présentent chacune un contour s'amincissant vers l'intérieur en direction radiale pour leur engrènement et pour la production d'un espace (13) entre chacun des brins adjacents du câble tendeur. L'invention concerne par ailleurs l'utilisation du dispositif (1) ainsi qu'un procédé d'écartement, et un dispositif de lubrification (100) muni dudit dispositif d'écartement (). Le dispositif (1) permet de simplifier l'étape de l'écartement.
EP17811251.2A 2016-11-28 2017-11-28 Dispositif d'écartement de câbles tendeurs, dispositif et procédé de lubrification de câbles tendeurs Active EP3545127B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016122905.9A DE102016122905A1 (de) 2016-11-28 2016-11-28 Spannlitzenaufspreizvorrichtung, Spannlitzenschmiervorrichtung und -verfahren
PCT/EP2017/080629 WO2018096165A1 (fr) 2016-11-28 2017-11-28 Dispositif d'écartement de câbles tendeurs, dispositif et procédé de lubrification de câbles tendeurs

Publications (3)

Publication Number Publication Date
EP3545127A1 true EP3545127A1 (fr) 2019-10-02
EP3545127B1 EP3545127B1 (fr) 2024-04-24
EP3545127C0 EP3545127C0 (fr) 2024-04-24

Family

ID=60627602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17811251.2A Active EP3545127B1 (fr) 2016-11-28 2017-11-28 Dispositif d'écartement de câbles tendeurs, dispositif et procédé de lubrification de câbles tendeurs

Country Status (10)

Country Link
US (1) US11248341B2 (fr)
EP (1) EP3545127B1 (fr)
JP (1) JP2020501033A (fr)
KR (1) KR20190084325A (fr)
CN (1) CN110023559A (fr)
BR (1) BR112019010558A2 (fr)
CA (1) CA3043968C (fr)
DE (1) DE102016122905A1 (fr)
RU (1) RU2714764C1 (fr)
WO (1) WO2018096165A1 (fr)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR437137A (fr) * 1911-11-30 1912-04-13 Albert Debievre Mandrin rotatif détordeur de vieux cables textiles
BE397764A (fr) * 1932-08-05
GB790551A (en) * 1955-01-28 1958-02-12 David Gladstone Balfour Reekie An improved apparatus for lubricating wire cables or ropes
GB858832A (en) * 1957-04-17 1961-01-18 David Gladstone Balfour Reekie Improvements in and relating to apparatus for cleaning wire ropes or cables
JPS53101064U (fr) * 1977-01-18 1978-08-15
JPS55102457A (en) * 1979-02-01 1980-08-05 Ookon:Kk Grease coating device for wire rope
NO164671C (no) * 1980-10-06 1995-04-03 Steinar Johansen Fremgangsmåte til smöring av ståltau.
US4422208A (en) * 1981-07-29 1983-12-27 Rohrbaugh Galen V Wire rope cleaning tool
US4498558A (en) * 1982-03-02 1985-02-12 Dynalube Holdings Limited Cable lubricating device
US5263307A (en) * 1991-02-15 1993-11-23 Hokkai Koki Co., Ltd. Corrosion resistant PC steel stranded cable and process of and apparatus for producing the same
HK1042124A1 (zh) * 1999-12-27 2002-08-02 不二精工株式会社 橡胶涂层股綫；采用橡胶涂层股綫的胎带、綫网层和轮胎；以及用於制造它们的装置和方法
JP3474536B2 (ja) * 2000-12-21 2003-12-08 株式会社酒井鉄工所 ワイヤロープ潤滑装置及び潤滑システム
AT5699U1 (de) * 2001-12-20 2002-10-25 Teufelberger Seil Ges M B H Drahtseil mit mehreren litzen sowie verfahren und vorrichtung zum einbringen einer stützlitze
US20090077765A1 (en) * 2007-09-25 2009-03-26 Heumann Steven A Cylndrical member conditioning device
KR101010545B1 (ko) * 2008-07-17 2011-01-24 김홍섭 와이어로프 도포장치
US9649667B2 (en) * 2013-08-15 2017-05-16 Muehlhan Ag Apparatus for surface treatment of an elongate object
CN103757954B (zh) * 2014-01-16 2016-06-01 江苏赛福天钢索股份有限公司 一种钢丝绳股勒油装置
DE202014004947U1 (de) * 2014-06-20 2014-10-10 Diagnose- und Ingenieurgesellschaft Dr. Boué mbH Einrichtung zum Spreizen von statischen Kabeln aus Einzelseilen oder Seilbündel zum Zweck der Wartung und Inspektion des Oberflächenzustandes im Innern des Kabels oder Seilbündels

Also Published As

Publication number Publication date
US11248341B2 (en) 2022-02-15
CA3043968A1 (fr) 2018-05-31
CN110023559A (zh) 2019-07-16
DE102016122905A1 (de) 2018-05-30
WO2018096165A1 (fr) 2018-05-31
EP3545127B1 (fr) 2024-04-24
EP3545127C0 (fr) 2024-04-24
BR112019010558A2 (pt) 2019-09-10
RU2714764C1 (ru) 2020-02-19
CA3043968C (fr) 2021-02-16
JP2020501033A (ja) 2020-01-16
KR20190084325A (ko) 2019-07-16
US20190284759A1 (en) 2019-09-19

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