EP3158126A1 - Procédé de revêtement d'une carcasse, et son utilisation - Google Patents

Procédé de revêtement d'une carcasse, et son utilisation

Info

Publication number
EP3158126A1
EP3158126A1 EP15723886.6A EP15723886A EP3158126A1 EP 3158126 A1 EP3158126 A1 EP 3158126A1 EP 15723886 A EP15723886 A EP 15723886A EP 3158126 A1 EP3158126 A1 EP 3158126A1
Authority
EP
European Patent Office
Prior art keywords
rope
tension member
coating
compression
construction
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
EP15723886.6A
Other languages
German (de)
English (en)
Other versions
EP3158126B1 (fr
Inventor
Florian LOTZ
Marius DREIER
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.)
ContiTech Transportbandsysteme GmbH
Original Assignee
ContiTech Transportbandsysteme 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 ContiTech Transportbandsysteme GmbH filed Critical ContiTech Transportbandsysteme GmbH
Publication of EP3158126A1 publication Critical patent/EP3158126A1/fr
Application granted granted Critical
Publication of EP3158126B1 publication Critical patent/EP3158126B1/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
    • 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
    • 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
    • D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
    • D07B7/145—Coating or filling-up interstices
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2256/00—Wires or fibres
    • 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
    • D07B1/0606—Reinforcing cords for rubber or plastic articles
    • D07B1/0613—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the rope configuration
    • 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
    • D07B2201/2053—Cores characterised by their structure being homogeneous
    • D07B2201/2054—Cores characterised by their structure being homogeneous comprising foam material
    • 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
    • D07B2201/2075—Fillers
    • D07B2201/2079—Fillers characterised by the kind or amount of filling
    • D07B2201/2081—Fillers characterised by the kind or amount of filling having maximum filling
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2076—Power transmissions

Definitions

  • the invention relates to a method for coating a tension member, in particular for conveyor belts, in particular a tension member which is designed as a steel cable.
  • Conveyor belts have a support side and a running side cover plate each made of a polymeric material having elastic properties and an embedded tension member in the form of parallel in spellgurtlssenscardi ropes, which in
  • the traction-transmitting carcass of a conveyor belt consists of textile and / or steel cable inserts, which are usually surrounded by at least one adhesive rubber mixture.
  • the carcasses are surrounded on all sides by wear-resistant rubber cover plates and a rubber edge protection.
  • Punch protection devices may be present.
  • Beaufschlagungsfestmaschine They are usually highly resistant to abrasion, rotting and corrosion, chemically resistant and thermally stable, leaving a long
  • the steel cables are usually arranged as a position in a plane between the cover plates.
  • the steel cables are for reasons of adhesion and the
  • Corrosion protection often galvanized, usually have a diameter of 2.8 to 16.0 mm and can consist of about 40 to 250 individual wires
  • adhesive rubber mixtures used in addition to the optimization of the adhesion as such during the vulcanization process in the steel cables to flow to allow a better seal.
  • the complete penetration of the entire rope which is also referred to as Autogumm réelle, is essential for the life of the steel rope and thus also for the entire conveyor belt. If no complete fürgumm réelle takes place, cavities remain open in the rope construction, which, for example, liquids such as water, oils, etc. can move in the rope and it too
  • the object of the invention is therefore to provide a method which ensures a complete fürgummtechnik of the rope, so that the number of open cavities is significantly reduced and thus prevents transport or migration of liquids in the rope construction and especially within the rope construction can be.
  • This object is achieved in that the method at least the following
  • the coating of the tension member is usually done in a dip. So far, usually the tension member was simply immersed in the dip and again
  • the compression of the tensile structure can be done in different ways.
  • a combination of said, in particular of overpressure and negative pressure in a suitable device is also possible and advantageous.
  • the rope for the conveyor belt is usually constructed of several strands, which in turn consist of individual wires.
  • the most common constructions are 7x7, with a rope of 7 strands, each consisting of 7 wires, 1x19 + 7x7, with a core strands of 19 strands and outer strands of 7 strands, and 7x19, with a rope of 7 strands, each one Litz consists of 19 wires.
  • It is preferably a steel cable or a steel hybrid rope, in which at least 20 vol .-% of the rope made of steel.
  • the coated according to the inventive method tensile carrier is preferably used for the production of conveyor belts or conveyor belts.
  • Conveyor belts are generally used for bulk goods (such as coal, ore, sand, cement, etc.), while conveyor belts are commonly used for general cargo (parcels, etc.). Conveyor belts are generally longer, wider, thicker and stronger than conveyor belts. in the
  • the present invention is thus suitable both for conveyor belts and for conveyor belts, in which ropes are used in each case, which are constructed essentially of steel.
  • the coating agent used or the coating composition used is selected depending on the material of the tension member and its construction. In this respect, all known coating materials can be used.
  • the coating composition is preferably based on at least one elastomer.
  • the elastomer may be rubbers, but also to thermoplastic elastomers, such as, for example, polyurethane act. However, it is preferably a rubber selected from the group consisting of
  • Fluorororubber (FPM).
  • the rubbers mentioned can be used alone or in the
  • the coating composition usually still contains at least one plasticizer and / or at least one
  • Solvent via which, as a rule, the viscosity and / or the adhesion or the stickiness of the coating composition can be adjusted.
  • the coating composition may additionally contain at least one blowing agent.
  • inorganic and organic compounds or microspheres can be used as blowing agents.
  • Inorganic or organic compounds used as blowing agents are usually so-called propellants, e.g. Azo and diazo compounds which, under the influence of heat or catalysts, split off gases (e.g., N 2 or CO 2) to allow pore formation.
  • propellants e.g. Azo and diazo compounds which, under the influence of heat or catalysts, split off gases (e.g., N 2 or CO 2) to allow pore formation.
  • the microspheres are hollow spheres (microspheres) with a diameter in the ⁇ range of glass, phenolic resin, carbon or thermoplastic material.
  • the microspheres are available in already expanded form but also in expandable form on the market. In order to achieve an increase in volume of the coating, which leads to an optimization of the through-gumming of the rope, are preferred
  • microspheres which are filled with a blowing agent and expand when heated.
  • Such microspheres are z. B. sold under the name Expancel ® by the company Akzo Nobel.
  • the individual wires, especially the steel wires, the tension member construction are usually still provided with an adhesive.
  • adhesive are preferably zinc, brass, zinc compounds, brass compounds, isocyanates, epoxides or other known adhesives.
  • Fig. 1 shows a first variant of the inventive method based on a schematic representation.
  • To be coated tensile carrier 2 is passed through a dip 1.
  • At least two opposing points are compressed by at least two compression units, preferably compression rollers ("squeeze rollers"), the tension member, whereby the tension member does not have to be bent.
  • Fig. 2 shows a second variant of the method according to the invention with reference to a schematic representation.
  • tension member 2 is continuously passed through a tube, from the reasons above only a lower half shell is shown. Based on suitable facilities, a negative pressure 5 is generated.
  • overpressure 6 the coating mass will be pressed into the rope at another location.
  • only a negative pressure 5 or an overpressure 6 can be generated.

Landscapes

  • Ropes Or Cables (AREA)

Abstract

L'invention concerne un procédé de revêtement d'une carcasse, en particulier pour une bande transporteuse, en particulier d'une carcasse se présentant sous la forme d'un câble d'acier. Ledit procédé doit permettre l'imprégnation totale de la structure de carcasse. A cet effet, ce procédé comporte au moins les étapes consistant : à comprimer la carcasse (2), qui présente une structure de câble (2), de manière réversible, pendant un court moment, pendant le processus de revêtement, et à faire pénétrer la matière de revêtement dans la structure de câble (2) ouverte, le câble (2) étant complètement imprégné.
EP15723886.6A 2014-06-23 2015-05-12 Procédé de revêtement d'une carcasse, et son utilisation Active EP3158126B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014211931.6A DE102014211931A1 (de) 2014-06-23 2014-06-23 Verfahren zur Beschichtung eines Zugträgers insbesondere für Fördergurte
PCT/EP2015/060398 WO2015197256A1 (fr) 2014-06-23 2015-05-12 Procédé de revêtement d'une carcasse, et son utilisation

Publications (2)

Publication Number Publication Date
EP3158126A1 true EP3158126A1 (fr) 2017-04-26
EP3158126B1 EP3158126B1 (fr) 2020-01-15

Family

ID=53199961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15723886.6A Active EP3158126B1 (fr) 2014-06-23 2015-05-12 Procédé de revêtement d'une carcasse, et son utilisation

Country Status (3)

Country Link
EP (1) EP3158126B1 (fr)
DE (1) DE102014211931A1 (fr)
WO (1) WO2015197256A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923003A (en) * 1974-05-06 1975-12-02 Southwire Co Production of flooded multistrand cable
LU79218A1 (fr) 1978-03-13 1979-10-29 Bekaert Sa Nv Cordage metallique de renforcement et son mode de fabrication
US4344278A (en) * 1980-05-30 1982-08-17 Projected Lubricants, Inc. Lubricated wire rope
DE3304789A1 (de) * 1983-02-11 1984-08-23 Vsesojuznyj naučno-issledovatel'skij, proektno-konstruktorskij i technologičeskij institut kabelnoj promyšlennosti, Moskva Verdrillte litze sowie vorrichtung zur beschichtung von draehten der verdrillten litze
DE69029389T2 (de) 1990-08-07 1997-05-22 Tokyo Rope Mfg Co Verfahren zu Herstellung von polymerbeschichteten Stahldrähten zur Gummiverstärkung
CA2109904C (fr) * 1992-12-18 2004-09-14 Pol Bruyneel Cable metallique a torons multiples
BR9408321A (pt) 1993-12-15 1997-08-05 Bekaert Sa Nv Estrutura de corda de aço aberta
DE4438420A1 (de) 1994-10-27 1996-05-02 Thomcast Gmbh Sendeanlagen Fue Vorrichtung zum Aufbringen von Beschichtungen auf Seile
DE29816936U1 (de) * 1998-09-22 1998-12-24 Rosenberger Tauwerk Gmbh Imprägniertes Seil
CN102400402A (zh) * 2010-09-08 2012-04-04 盐城神力制绳有限公司 一种带捻纤维缆绳浸胶工艺
CN104160087B (zh) * 2012-03-01 2017-06-27 帝斯曼知识产权资产管理有限公司 用液体材料浸渍绳索的方法和装置

Also Published As

Publication number Publication date
WO2015197256A1 (fr) 2015-12-30
DE102014211931A1 (de) 2015-12-24
EP3158126B1 (fr) 2020-01-15

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