WO2020025088A1 - Chaîne à articulations en acier et procédé pour faire fonctionner une chaîne à articulations en acier munie d'un capteur d'usure - Google Patents

Chaîne à articulations en acier et procédé pour faire fonctionner une chaîne à articulations en acier munie d'un capteur d'usure Download PDF

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Publication number
WO2020025088A1
WO2020025088A1 PCT/DE2019/100665 DE2019100665W WO2020025088A1 WO 2020025088 A1 WO2020025088 A1 WO 2020025088A1 DE 2019100665 W DE2019100665 W DE 2019100665W WO 2020025088 A1 WO2020025088 A1 WO 2020025088A1
Authority
WO
WIPO (PCT)
Prior art keywords
link chain
bolt
steel link
sensor
wear
Prior art date
Application number
PCT/DE2019/100665
Other languages
German (de)
English (en)
Inventor
Dirk Schuchtmann
Bernhard Norpoth
Original Assignee
Thiele Gmbh & Co. Kg
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 Thiele Gmbh & Co. Kg filed Critical Thiele Gmbh & Co. Kg
Publication of WO2020025088A1 publication Critical patent/WO2020025088A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/02—Driving-chains
    • F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/18—Chains having special overall characteristics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/02—Control or detection
    • B65G2203/0266—Control or detection relating to the load carrier(s)
    • B65G2203/0275—Damage on the load carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/48—Wear protection or indication features

Definitions

  • the present invention relates to a steel chain according to the features in the preamble of claim 1.
  • the present invention also relates to a method for checking or measuring the state of wear of a steel link chain according to the features in claim 10.
  • chains to transmit forces is known from the prior art.
  • chains are rotated via so-called chain wheels, so that a force is applied to the chain in the direction of pull.
  • steel link chains are also state of the art known.
  • Steel link chains are also used as roller chains and / or.
  • the object of the present invention is therefore, based on the prior art, to show a possibility of being able to monitor the state of wear between the bushing and the bolt.
  • the steel link chain has outer pockets and inner pockets which follow one another in the longitudinal direction of the chain and which are each coupled in pairs via interlocking bushings and bolts.
  • the parallel spaced outer plates are coupled via a bolt.
  • the inner lugs lying parallel and at a relatively smaller distance from each other are coupled via the bushings.
  • the bolts engage in the sockets.
  • a radial bore is arranged in at least one pin of the steel articulated chain, hereinafter also referred to as the chain.
  • the radial bore is arranged in the bolt in such a way that a central longitudinal axis of the radial bore points in the longitudinal direction of the chain.
  • the radial bore is also arranged in such a way that when the steel articulated chain is subjected to a tensile force, the bolt and bushing at least partially abut one another with their lateral surfaces, in such a way that the radial bore lies in the contact surface.
  • An electrical sensor also called a wear sensor, is now arranged in the radial bore.
  • the wear sensor measures wear between the inner surface of the bush and the outer surface of the bolt.
  • the electrical sensor is designed in particular as an electrical resistance, so that the resistance value of the electrical sensor changes as abrasive wear progresses. Due to the change in the electrical resistance value, a conclusion can be drawn about the internal state of wear between the bushing and the bolt.
  • the measurement procedure itself can be carried out passively or actively.
  • an additional axial bore is particularly preferably made in the bolt.
  • a cable is passed through the axial bore and electrically connects the electrical sensor arranged in the radial bore to an axially end-side point of the bolt.
  • the axial bore and the radial bore intersect or engage in the bolt.
  • An electrical resistance measuring device can now be attached to the axial end of the bolt are electrically coupled to the lines and a resistance measurement is carried out. This measurement procedure can be carried out at specified time intervals or depending on the operating hours of the steel joint chain to be checked.
  • a transmitter also called a wireless communication module
  • a wireless communication module can be arranged at the axial end of the bolt. This can communicate with an external receiving unit according to a wireless standard, for example WLA1M, Bluetooth or the like.
  • the transmitter is arranged so that it protrudes laterally over the outer flap. The bolt itself is thus not affected in its resilience or in its strength.
  • an energy supply source for example an accumulator or the like, is arranged such that a continuous measurement or a discontinuous measurement is carried out at predetermined time intervals, for example once a day, and the measured wear value is either permanent or after a measurement has been taken to an external receiving unit is transmitted.
  • the radio communication module can also communicate with an external receiving device, for example on the principle of an RFID tag or the like.
  • the arrangement according to the invention thus makes it possible in particular to carry out a relatively exact measurement of the progressive internal state of wear of a steel link chain according to the invention. Reaching a critical wear condition can be determined exactly, so that the steel link chain only has to be replaced or replaced relatively late without running the risk of exceeding a critical wear condition.
  • the electrical sensor is in particular formed by a printed circuit board.
  • the circuit board can also be called a circuit board.
  • Individual conductor tracks are arranged on the circuit board.
  • the circuit board is inserted into the radial bore and in particular fixed in position with a casting compound.
  • the casting compound can be an adhesive or a composite compound.
  • the conductor tracks are stepped on the circuit board from a radially outer end. With increasing wear, a first becomes the outer conductor is severed, the next conductor is then severed as the wear progresses, etc.
  • An electrical resistor is preferably arranged in a respective conductor, in particular an SMD resistor. With each cut conductor track, the total electrical resistance of the printed circuit board and thus of the electrical sensor changes.
  • Printed conductors are preferably arranged on the front and the back of the printed circuit board.
  • the conductor tracks on the front and back can be arranged in identical gradations, so that they are designed redundantly.
  • the conductor tracks it is also possible for the conductor tracks to be arranged at individual distances from one another on the front and the rear.
  • the radial bore can thus be made with a relatively small diameter.
  • the radial bore is preferably formed with a step shoulder.
  • the printed circuit board can preferably come into contact with the step in a form-fitting manner. As the wear increases, a pressure force is also applied to the printed circuit board in the radial direction. Due to the fact that the printed circuit board lies in a form-fitting manner on the step shoulder, the printed circuit board is held and cannot be pressed deeper into the radial bore in the radial direction.
  • the present invention also relates to a method for checking and / or measuring the state of wear of the steel chain with the electrical sensor according to the invention described above. Due to in particular abrasive wear between the inner jacket of the bush and the outer surface of the bolt, the electrical sensor is also subjected to abrasive wear, so that a conclusion can be drawn about the state of wear.
  • the electrical resistance value of the electrical sensor changes with increasing abrasive wear.
  • the electrical sensor it is also conceivable to design the electrical sensor as a Hali sensor, for example. All of the above statements also apply to the method.
  • FIG. 1 shows a steel link chain according to the invention in perspective
  • FIG. 2 the steel link chain in top view
  • FIG. 3 shows the steel link chain in a side view
  • FIGS. 4 and 5 each part of a corresponding chain strand of the steel link chain according to the invention
  • Figure 6 is a side view of the part of the chain strand of the
  • FIG. 7 shows a matching front view of FIG. 6 looking from the left in relation to the image plane
  • FIG. 1 shows a cross-sectional view along the section line A-A from FIG. 6,
  • FIG. 9 a) to d) a bolt according to the invention with a radial bore in different views
  • Figure 12 is a view of the bolt with the printed circuit board arranged in the radial bore and
  • FIG. 13 shows a printed circuit board with a stop inserted into the radial bore.
  • the steel link chain 1 has outer plates 2 spaced parallel to one another and inner pockets 4 following the respective outer plates 2 in the longitudinal direction 3 of the chain.
  • the outer pockets 2 are coupled to one another via a bolt 5.
  • the inner pockets 4 are coupled to one another via a socket 6.
  • the respective bolts 5 are rotatably arranged in the bushes 6.
  • the pin 5 arranged on the left in FIG. 1 and 2 in relation to the image plane has an extension on the side and a socket 7 arranged thereon for receiving a wireless communication module described later and a power supply source.
  • angular flaps 8 are again arranged on the outside to accommodate, for example, a bucket elevator or the like, but this is not shown further.
  • the bolt 5 is a composite chain of inner pockets and a socket overlaps, which is not shown here for better illustration.
  • FIGS. 4 and 5 each show part of a corresponding chain strand of the steel link chain 1 according to the invention.
  • FIG. 6 shows a side view of the part of the chain strand of the steel link chain according to FIGS. 4 and 5.
  • FIG. 7 shows a matching front view of FIG. 8 looking from the left in relation to the image plane.
  • FIG. 8 shows a cross-sectional view along the section line AA from FIG. 6.
  • a radial bore 9 is made in the bolt 5.
  • the radial bore 9 is preferably approximately in relation to the length 10 of the bolt 5 arranged in the middle.
  • the radial bore 9 can also be arranged off-center, but the radial bore 9 is preferably arranged in the axial direction A in a range between 40% and 60% of the length 10 of the bolt 5.
  • a wireless communication module 11 and an energy supply module 12 are also arranged on the side.
  • FIGS. 9a and 9b show the bolt 5 in the installation position.
  • the radial bore 9 is arranged in the bolt 5 such that the radial direction R is aligned with a pulling direction Z, which is also oriented in the chain longitudinal direction 3, as it were.
  • a pulling direction Z which is also oriented in the chain longitudinal direction 3, as it were.
  • FIG. 9 d) shows a longitudinal sectional view through the bolt 5.
  • the axial bore 14 crosses the radial bore 9.
  • Electrical connection lines can then be passed through here in order to couple the electrical sensor to an external measuring device.
  • FIGS. 10 a) to d) show a similar embodiment of the pin 5 according to the invention.
  • a radio communication module 11 and an energy supply module 12 are arranged on an axial end 15 of the pin 5.
  • batteries can be used here, so that the electrical sensor 13 in the radio bore 9 is not shown in detail electrical lines can be coupled to the power supply module 12 and the wireless communication module 11
  • the electrical sensor 13 in the form of a printed circuit board 18 with conductor tracks 19 arranged thereon in different views.
  • the printed circuit board 16 each has conductor tracks 19 on a front side 17 and a rear side 18.
  • the conductor tracks 19 are layered in relation to the radial direction R.
  • a first conductor track 19.1 is arranged in relation to the radial direction R at a front end 20 of the printed circuit board 16. If wear occurs in the radial direction R, the front end 20 is removed and the first conductor track 19.1 is thereby damaged or severed.
  • the distance 26 is shortened by increasing wear and tear until the second conductor 19.2 is cut.
  • Electrical resistors 21, for example SMD resistors, are arranged in the respective conductor tracks 19. When the first conductor 19.1 is cut, the total electrical resistance of the printed circuit board 16 thus changes. The same then applies to the second conductor 19 2 and to the third conductor 19.3.
  • conductor tracks 19 can then also be arranged on the rear side 18, so that a fourth conductor track 19.4, a fifth conductor track 19.5 and a sixth conductor track 19.6 are cut with increasing wear.
  • the advantage of arranging the conductor tracks 19 on the front 17 and rear 18 is that the width 22 of the printed circuit board 16 can be relatively narrow, which in turn makes the diameter of the radial bore 9 relatively small.
  • the printed circuit board 16 has a stop 23, with which it comes into positive engagement in a step shoulder 24 of the radial bore 9, shown in FIG. 13. This offers the advantage that the printed circuit board 16 is not pressed deeper into the radial bore 9 in the radial direction R. The remaining space in the radial bore 9 can be filled by a casting compound 25. Via electrical connection points 29, the printed circuit board 16 can then be connected via lines (not shown) through the axial bore 14 to an axial end 15 of the bolt 5 become.
  • FIG. 13 further shows that the inner lateral surface 27 of the bushing 6 bears in a form-fitting manner on the outer lateral surface 28 of the bolt 5.
  • This sectional view also corresponds to a sectional view in the chain longitudinal direction 3 of the chain strand of the steel link chain 1. If this is subjected to a tensile force in the pulling direction Z, the inner lateral surface 27 and the outer lateral surface 28 abut one another and are subject to abrasive wear. This wear removes material in particular in the radial direction R on the bolt 5. With increasing material removal on the bolt 5, material is also removed from the printed circuit board 16, as it were.
  • FIG. 12 shows a perspective view of the bolt 5 with the printed circuit board 16 arranged in the radial bore 9.

Abstract

La présente invention concerne une chaîne à articulations en acier (1) comprenant des mailles de chaîne extérieures (2) et des mailles de chaîne intérieures (4) consécutives dans la direction longitudinale de chaîne (3), lesquelles sont couplées par paires par le biais de douilles (6) et de tourillons (5) qui viennent respectivement en prise les uns dans les autres. Selon l'invention, un perçage radial (9) est disposé dans un tourillon (5) de sorte qu'il est possible de mesurer le niveau d'usure entre l'enveloppe interne (27) de la douille (6) et l'enveloppe externe (28) du tourillon (5) en montant un capteur électrique (13) dans le perçage radial (9). La présente invention concerne également un procédé de mesure du niveau d'usure.
PCT/DE2019/100665 2018-08-01 2019-07-18 Chaîne à articulations en acier et procédé pour faire fonctionner une chaîne à articulations en acier munie d'un capteur d'usure WO2020025088A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018118709.2 2018-08-01
DE102018118709.2A DE102018118709B4 (de) 2018-08-01 2018-08-01 Stahlgelenkkette sowie Verfahren zum Betreiben einer Stahlgelenkkette mit Verschleißsensor

Publications (1)

Publication Number Publication Date
WO2020025088A1 true WO2020025088A1 (fr) 2020-02-06

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ID=67840885

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2019/100665 WO2020025088A1 (fr) 2018-08-01 2019-07-18 Chaîne à articulations en acier et procédé pour faire fonctionner une chaîne à articulations en acier munie d'un capteur d'usure

Country Status (2)

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DE (1) DE102018118709B4 (fr)
WO (1) WO2020025088A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3960665A1 (fr) * 2020-08-28 2022-03-02 Siemens Aktiengesellschaft Procédé et système de détection des anomalies dans le fonctionnement d'un système de transport, en particulier d'un carrousel à bagages d'aéroport
US20230400291A1 (en) * 2022-06-13 2023-12-14 Caterpillar Inc. Detecting wear of track link pin based on sensor data of a sensor device provided in a cavity of the track link pin

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63302333A (ja) * 1987-06-02 1988-12-09 Komatsu Ltd ピン型ロ−ドセル
DE10234626A1 (de) 2002-07-29 2004-02-26 Thiele Gmbh & Co. Kg Sicherheitsbauteile aus Stahl für die Hebe-,Zurr-,Förder -und Gewinnungstechnik
KR20080099663A (ko) * 2007-05-10 2008-11-13 김익근 기계 요소의 마모 검출 장치
WO2009044117A1 (fr) * 2007-09-29 2009-04-09 Renold Plc Contrôle d'usure de chaîne de transmission

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201907560WA (en) * 2017-03-14 2019-09-27 Evoqua Water Tech Llc Composite loop chain
DE102017125199A1 (de) 2017-10-27 2019-05-02 Dalog Diagnosesysteme Gmbh Industrieförderkette mit Verschleißsensor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63302333A (ja) * 1987-06-02 1988-12-09 Komatsu Ltd ピン型ロ−ドセル
DE10234626A1 (de) 2002-07-29 2004-02-26 Thiele Gmbh & Co. Kg Sicherheitsbauteile aus Stahl für die Hebe-,Zurr-,Förder -und Gewinnungstechnik
KR20080099663A (ko) * 2007-05-10 2008-11-13 김익근 기계 요소의 마모 검출 장치
WO2009044117A1 (fr) * 2007-09-29 2009-04-09 Renold Plc Contrôle d'usure de chaîne de transmission

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Publication number Publication date
DE102018118709A1 (de) 2020-02-06
DE102018118709B4 (de) 2022-10-06

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