EP2598419A1 - Dispositif destiné à l'inspection sans destruction d'une courroie de transport pendant la production au moyen de rayons riches en énergie, en particulier des rayons x - Google Patents

Dispositif destiné à l'inspection sans destruction d'une courroie de transport pendant la production au moyen de rayons riches en énergie, en particulier des rayons x

Info

Publication number
EP2598419A1
EP2598419A1 EP11716533.2A EP11716533A EP2598419A1 EP 2598419 A1 EP2598419 A1 EP 2598419A1 EP 11716533 A EP11716533 A EP 11716533A EP 2598419 A1 EP2598419 A1 EP 2598419A1
Authority
EP
European Patent Office
Prior art keywords
conveyor belt
housing
sensor
rays
radiation source
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Withdrawn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
EP11716533.2A
Other languages
German (de)
English (en)
Inventor
Bernd Küsel
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.)
Phoenix Conveyor Belt Systems GmbH
Original Assignee
Phoenix Conveyor Belt Systems 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 Phoenix Conveyor Belt Systems GmbH filed Critical Phoenix Conveyor Belt Systems GmbH
Publication of EP2598419A1 publication Critical patent/EP2598419A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/16—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a moving sheet or film
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/18—Investigating the presence of flaws defects or foreign matter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Definitions

  • the invention relates to a device for non-destructive inspection of a conveyor belt with a support-side cover plate and running side cover plate of one each
  • Rubber compound and with an embedded tensile member on a production plant consisting of at least the following parts of the plant:
  • a vulcanizing press comprising a top plate and bottom plate which are heatable;
  • vulcanized conveyor belt accommodates under winding
  • the support-side cover plate and running-side cover plate each consist of one
  • Processing aids and / or an aging protection agent and / or a plasticizer and / or other additives for example fibers, color pigments.
  • Rubber base is in particular:
  • SBR Styrene butadiene rubber
  • NBR Nitrile rubber
  • EPM Ethylene-propylene rubber
  • EPDM Ethylene-propylene-diene rubber
  • the conveyor belt undergoes the necessary elastic properties.
  • embedded tension members steel or aramid ropes running in the longitudinal direction of the conveyor belt are used, ropes made of steel being of particular importance.
  • the tension member may also be a textile fabric, in particular a single-layer or multi-layer fabric, for example a polyester-polyamide fabric.
  • the following components can also be embedded in the support-side and / or run-side cover plate (s): Conductor loops, transponders, barcodes, a polymer matrix with detectable particles mixed in, or other detectable elements.
  • conductor loops Conductor loops, transponders, barcodes, a polymer matrix with detectable particles mixed in, or other detectable elements.
  • process-controlled devices for monitoring production areas are used, for example, in the control of the vulcanization temperature.
  • the published patent application DE 10 2009 003 458 A1 describes a more recent development for monitoring the rope tension of a steel cord conveyor belt during its production.
  • the monitoring device comprises at least the following components: - A clamping device which clamps all ropes;
  • a measuring device that controls the rope tension of each rope as well
  • Measuring device is able to individually with each rope as needed
  • the measuring device is a pitch measuring station, which is equipped with at least one Tonaufillon that detects a change in the oscillation frequency and thus adjusting the pitch a change in the rope tension for each vibrated rope.
  • the object of the invention is therefore to develop the generic device such that hereby all conveyor belt specific data as well as errors during the production of a conveyor belt can be reliably detected.
  • This object is achieved in that before and / or after the vulcanizing a housing is arranged, which is provided with two housing openings through which the conveyor belt passes without contact, within the housing a radiation source in the direction of the surface of the conveyor belt emits rays that are energetic that they radiate through the conveyor belt, with a likewise in the housing
  • accommodated sensor detects the transmitted rays without contact, wherein finally the process computer evaluates the result of the radiographic examination, under detection of the actual values when compared with the nominal values of the conveyor belt.
  • the radiation source emits X-rays, in particular again in the form of an X-ray tube.
  • the radiation source is arranged such that the belt surface can be detected by the beams according to the following two variants I or II:
  • the radiation source covers the entire conveyor belt width. This is preferably the case when the conveyor belt is not too wide, for example up to 1000 mm.
  • the conveyor belt is divided into longitudinal strips (segments) when using a single X-ray tube. For example, if the conveyor belt has a width of 2000 mm, then this is divided into four longitudinal strips, each with a width of 500 mm. As soon as a strip has been examined and evaluated, the X-ray tube is displaced by 500 mm. A 2000 mm wider Conveyor belt would then be completely recorded over its entire width in four steps.
  • the rays of sensors Opposite the radiation source, ie on the other side of the conveyor belt, the rays of sensors, including light-sensitive chips detected.
  • line sensors are preferably used.
  • the sensor can also act as a single sensor or as a sensor chain. The dimension of a sensor depends, in particular, according to which of the two aforementioned variants I or II the radiation source detects the extent of the conveyor belt width. In variant II, a displaceable sensor can be used.
  • the data deviating from the perfect condition of the conveyor belt are finally evaluated in real time and automatically lead to error messages, for example via individual threshold data filters.
  • the data is also evaluated graphically.
  • Fig. 1 Details of a housing with integrated radiation source and integrated sensor;
  • FIG. 2 arrangement of a housing according to FIG. 1 before the Vulkanisierpresse
  • FIG. 3 arrangement of a housing according to FIG. 1 after the Vulkanisierpresse
  • Fig. 1 shows a housing 1, which has two housing openings 2 and 3, through which the conveyor belt 4 is guided without contact in the running direction (arrow).
  • the two housing openings are usually designed as correspondingly large slits.
  • the conveyor belt has a support-side cover plate 5 and running-side cover plate 6, each consisting of a rubber mixture, for example based on CR.
  • a tension member 7, for example in the form of steel cables, is embedded in the conveyor belt.
  • the conveyor belt can still have a transverse reinforcement, conductor loops, transponders, etc.
  • the conveyor belt is here still unvulcanized (conveyor belt blank) and has within the carrying side and running side cover plate still air inclusions 8.
  • a radiation source 9 in particular in the form of an X-ray tube, housed.
  • a sensor 11 which is arranged in the nearer region of the run-side cover plate 6, detects contactless (ie, wear-free) the transmitted beams 10.
  • the sensor is designed in particular as a line sensor.
  • a process computer finally evaluates the result of the radiographic examination, for example the extent of the air inclusions 8.
  • 2 shows a production plant 12 with a vulcanizing press 13, comprising a top plate 14 and a bottom plate 15, which are heatable.
  • the vulcanization temperature is usually 130 to 180 ° C.
  • On a first winding 16 is the unvulcanized votinggurtrohling after its
  • a housing 18 is arranged, as described in detail in the context of Figure 1.
  • the housing is sunk below the conveyor belt 17 mostly in the bottom of the production hall. In this case, the
  • the condition of the conveyor belt blank can be tracked by means of a camera by means of an image, in particular an X-ray image, by means of a camera. If the actual values coincide with the target values with reference to limit values, the conveyor belt blank examined in this way is transferred to the vulcanizing press and vulcanized there. The transfer into the vulcanizing press can also take place if there are deviations from the desired values, which can be corrected during vulcanization. This is possible, for example, if the radiographic examination shows that the conveyor belt blank has air inclusions 8 (FIG. 1) which deviate from the relevant setpoint values or limit values. By adjusting the vulcanization conditions, the air inclusions can be minimized, at least within the limits of the limit range. A second winding 19 finally takes up the vulcanized conveyor belt with winding. This wound finished conveyor belt can then be transported to its place of use on a conveyor.
  • FIG. 3 now shows a production plant 22 with a vulcanizing press 23, a first winding 24 and a second winding 25.
  • the housing 26 is arranged after the vulcanizing press, where the radiographic examination of the vulcanized conveyor belt 27 takes place in the context of a final article inspection.
  • the housings 18 (FIG. 2) and 26 (FIG. 3) can also be arranged together in a production plant, so that a conveyor belt control is realized before and after the vulcanization.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Toxicology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'invention concerne un dispositif pour l'inspection sans destruction d'une courroie transporteuse (4) comportant une plaque de recouvrement (5) côté port et une plaque de recouvrement (6) côté marche à base chacune d'un mélange de caoutchouc et comportant un support de traction inséré (7) sur une installation de production, qui comprend au moins les parties d'installation suivantes : - une presse de vulcanisation, comprenant une plaque supérieure et une plaque inférieure, qui peuvent être chauffées ; - un premier enroulement pour l'ébauche de courroie transporteuse non vulcanisée, qui est réalisée en déroulant la presse de vulcanisation ; - un second enroulement, qui, après avoir quitté la presse de vulcanisation, reçoit la courroie transporteuse vulcanisée avec enroulement ; - des galets porteurs pour la courroie transporteuse et - un calculateur de processus. Le dispositif selon l'invention est caractérisé en ce que, en amont et/ou en aval de la presse de vulcanisation, est disposé un boîtier (1), qui est doté de deux ouvertures de boîtier (2, 3), à travers lesquelles la courroie transporteuse (4) passe sans contact, une source de rayons (9) émettant à l'intérieur du boîtier en direction de la surface de la courroie transporteuse des rayons (10) qui sont riches en énergie, de sorte que ceux-ci traversent la courroie transporteuse, un capteur (11), logé également dans le boîtier, enregistrant sans contact les rayons traversés, le calculateur de processus analysant finalement le résultat de l'essai d'inspection, et ce avec l'enregistrement des valeurs réelles en cas d'égalisation avec les valeurs de consigne de la courroie transporteuse.
EP11716533.2A 2010-07-27 2011-04-26 Dispositif destiné à l'inspection sans destruction d'une courroie de transport pendant la production au moyen de rayons riches en énergie, en particulier des rayons x Withdrawn EP2598419A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010036637A DE102010036637A1 (de) 2010-07-27 2010-07-27 Einrichtung zur zerstörungsfreien Inspektion eines Fördergurtes während der Produktion mittels energiereicher Strahlen, Insbesondere Röntgenstrahlen
PCT/EP2011/056537 WO2012013369A1 (fr) 2010-07-27 2011-04-26 Dispositif destiné à l'inspection sans destruction d'une courroie de transport pendant la production au moyen de rayons riches en énergie, en particulier des rayons x

Publications (1)

Publication Number Publication Date
EP2598419A1 true EP2598419A1 (fr) 2013-06-05

Family

ID=44209787

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11716533.2A Withdrawn EP2598419A1 (fr) 2010-07-27 2011-04-26 Dispositif destiné à l'inspection sans destruction d'une courroie de transport pendant la production au moyen de rayons riches en énergie, en particulier des rayons x

Country Status (4)

Country Link
US (1) US20130136816A1 (fr)
EP (1) EP2598419A1 (fr)
DE (1) DE102010036637A1 (fr)
WO (1) WO2012013369A1 (fr)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
DE102015214159A1 (de) 2015-07-27 2017-02-02 Phoenix Conveyor Belt Systems Gmbh Förderanlage
DE102015114658A1 (de) * 2015-09-02 2017-03-02 Troester Gmbh & Co. Kg Vorrichtung und Verfahren zur radioskopischen Untersuchung eines streifenförmigen Materials mit einem wesentlichen Bestandteil aus Kautschuk oder Kunststoff
DE102015223796A1 (de) * 2015-11-30 2017-06-01 Contitech Transportbandsysteme Gmbh Verfahren zur Herstellung eines Transportbandes
DE102015016556A1 (de) * 2015-12-18 2017-06-22 Siempelkamp Maschinen- Und Anlagenbau Gmbh Verfahren und Vorrichtung zur Qualitätsprüfung von Fördergurten
WO2020099639A1 (fr) * 2018-11-16 2020-05-22 Contitech Transportbandsysteme Gmbh Capteur pour balayage et surveillance de bande transporteuse à base de tissu ou de textile

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Also Published As

Publication number Publication date
WO2012013369A1 (fr) 2012-02-02
US20130136816A1 (en) 2013-05-30
DE102010036637A1 (de) 2012-02-02

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