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WO2018141009A1 - Ensemble de contrôle de rouleau non commandé de transporteur - Google Patents

Ensemble de contrôle de rouleau non commandé de transporteur Download PDF

Info

Publication number
WO2018141009A1
WO2018141009A1 PCT/AU2018/050057 AU2018050057W WO2018141009A1 WO 2018141009 A1 WO2018141009 A1 WO 2018141009A1 AU 2018050057 W AU2018050057 W AU 2018050057W WO 2018141009 A1 WO2018141009 A1 WO 2018141009A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
idler roller
conveyor idler
roller
sensor
Prior art date
Application number
PCT/AU2018/050057
Other languages
English (en)
Inventor
Justin McCarthy Geddes
Russell Morgan
Original Assignee
Conveyor Innovations Pty Ltd
e-moola.com Pty Ltd
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
Priority claimed from AU2017900275A external-priority patent/AU2017900275A0/en
Application filed by Conveyor Innovations Pty Ltd, e-moola.com Pty Ltd filed Critical Conveyor Innovations Pty Ltd
Priority to CA3126407A priority Critical patent/CA3126407A1/fr
Priority to AU2018214438A priority patent/AU2018214438C1/en
Publication of WO2018141009A1 publication Critical patent/WO2018141009A1/fr
Priority to ZA2020/05010A priority patent/ZA202005010B/en
Priority to AU2023274187A priority patent/AU2023274187A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices
    • 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
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/02—Adaptations of individual rollers and supports therefor
    • B65G39/09—Arrangements of bearing or sealing means
    • 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
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/008—Identification means, e.g. markings, RFID-tags; Data transfer means
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4476—Labyrinth packings with radial path
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/58—Conveyor systems, e.g. rollers or bearings therefor

Definitions

  • the present invention relates to conveyor idler rollers used in belt conveyors for bulk materials handling and, more particularly, to an electronic monitoring system for conveyor idler rollers.
  • Conveyors are commonly used to transport a wide range of materials (such as minerals including coal, iron ore, phosphate or bauxite) through various stages of the transport chain, commonly between a mine rock face in a pit over long distances for unloading at a processing station and/or a means of transport such as ships at port. They are also used for agricultural purposes including for the transport of grain to and from silos.
  • materials such as minerals including coal, iron ore, phosphate or bauxite
  • FIG. 1 An example of a pit conveyor 10 is shown in figure 1.
  • Pit conveyors are commonly around twenty kilometres long, but some conveyors can be much longer.
  • the conveyor 10 comprises a belt 12 which carries excavated material 14, such as ore.
  • the belt 12 is driven by rollers 16.
  • Each roller 16 has a head 18 which support a bearing 20 at each end of the roller 16.
  • Each bearing 20 is mounted on an axle 22 on which the roller rotates.
  • rollers require regular replacement because they tend to operate in harsh environments.
  • the bearings of the rollers may fail.
  • the head comes away from the end of the tube.
  • the tube of the roller wears out and breaks.
  • Vayeron Pty Ltd manufactures a conveyor idler roller monitoring system, which is disclosed in PCT/AU2014/050246. As shown in figure 2, this monitoring system comprises an idler roller 24 which is fitted with a sensor 26 that is located on a shaft 28 inside the idler roller 24. A cable 30 connects the sensor 26 to an external aerial 30 on a head 32 of the idler roller 24.
  • the object of the invention is to overcome or at least substantially ameliorate the aforementioned problems with the prior art
  • the present invention is directed to a monitoring assembly for a conveyor idler roller, which may at least partially overcome at least one of the abovementioned disadvantages or provide the consumer with a useful or commercial choice.
  • the present invention in one form, resides broadly in a monitoring assembly for monitoring a conveyor idler roller, the conveyor idler roller comprising at least one end cap, the conveyor idler roller comprising:
  • a labyrinth seal comprising an inner seal part configured to rotate with the roller and an outer seal part configured to remain stationary within the end cap when the inner seal part is rotating;
  • the monitoring assembly is mounted in the end cap of the conveyor idler roller so that the monitoring assembly can be retro-fitted to existing rollers by exchanging the existing end cap for one containing the monitoring assembly of the present invention.
  • the monitoring assembly can be sold as part of a complete idler roller.
  • labyrinth seal means a mechanical seal which provides a tortuous path to help reduce ingress of dirt and/or water into the idler roller housing and bearing.
  • the labyrinth seal may be selected from the group consisting of; felt seal, lip seal.
  • the communications device is adapted to provide information about the assembly to a user.
  • the information may include a global positioning system location of the assembly; installation information of the conveyor idler roller; a date of installation of the conveyor idler roller; an identity of the installer and/or a uniform resource indicator (URI) to the external device.
  • URI uniform resource indicator
  • the senor is adapted to measure the rotational speed and passage of the magnet.
  • the sensor also preferably includes an accelerometer mounted on the outer part of the seal for sensing vibrations in the conveyor idler roller. It is also preferred that the assembly includes a temperature sensor for measuring the temperature of the conveyor idler roller.
  • the assembly may include a data concentrator for receiving signals from the communications device and transmitting those signals to a control centre.
  • the communications device uses a mesh wireless sensor network adapted to communicate with other processors in other monitoring assemblies.
  • Figure 1 is a perspective view of a conveyor for use with the present invention.
  • Figure 2 is a perspective view of an idler roller fitted with a prior art monitoring assembly.
  • Figure 3 is side view of an idler roller monitoring system according to an
  • Figure 4 is a perspective view of the printed circuit board of the idler monitoring assembly of figure 3.
  • Figure 5 shows a representation of a user screen of an external user device in communication with a processor of the present invention.
  • Figure 6 shows the results of an electrical scattering simulation of the present invention fitted to a conveyor idler roller.
  • the monitoring assembly 32 of the present invention is shown in Figures 3 and 4.
  • the monitoring assembly 32 is used on a conveyor idler roller 34 which may have a shaft 36.
  • the monitoring assembly 32 may also be used with a shaft-less conveyer idler roller comprising a pair of roller head assemblies, one at each end of a roller housing (not shown).
  • the idler roller 34 has a labyrinth seal with an inner part 38 and outer part 40 enclosed in an end cap 24.
  • a magnet 42 is mounted in the inner part 38 of the labyrinth seal (a series of magnets may be used).
  • a sensor 44 for measuring the rotation of the magnet 42 is mounted on a printed circuit board 25 attached to the outer part 22 of the seal 18. Also mounted on the printed circuit board 25 is a processor 46.
  • the processor 46 has the ability to record information from the sensor 44.
  • the assembly 32 has a communications device 48 (in the form of a 2.4 GHz antenna) mounted on the printed circuit board 25 for transmitting and receiving information between the processor 46 and an external device 49 such as a tablet computer or smart telephone running iOS or Android operating system (shown in figure 1).
  • the communications device 48 acts as a radio network node and connects to a mesh network, which is preferably a BluetoothTM network.
  • a mesh network which is preferably a BluetoothTM network.
  • any suitable network may be used, for example WiFiTM, ANTTM or another proprietary network standard.
  • the assembly 32 also includes an accelerometer 50 mounted on the printed circuit board 25.
  • the accelerometer 50 senses vibrations in the conveyor idler roller 16. The vibrations can indicate whether the conveyor idler roller has a problem, such as a bearing breaking up, the roller fracturing, or an end cap becoming detached from the roller.
  • the assembly 10 includes a temperature sensor 52 mounted on the printed circuit board 25 for measuring the temperature of the conveyor idler roller 12. A high temperature could indicate that there will be an imminent failure of the bearing failure.
  • the assembly 32 also includes an electrically erasable programmable read-only memory (EEPROM) 54 SPI serial that contains 131072 bytes of data, is used to store long term (persistent) data for that idler roller (company, conveyor, frame, carry or return roller, etc). It will also contain a circular buffer of recent information that pertains to the roller's current state. Its use is to save operational data whilst the unit is powered down. This operational data would be used for maintenance or warranty actions.
  • EEPROM electrically erasable
  • the communications device 48 connects to a data concentrator 56 (see figure 1).
  • Data concentrators are positioned approximately every fifty meters along the conveyor belt 12.
  • the data concentrators 56 relay signals from the monitoring assemblies 32 on each conveyor idler roller 34 to a central control centre 58 and/or to the external device 49.
  • the mesh network may exhibit self-healing properties and automatically uses alternate routes in the event that an idler roller failure or a low radio link quality due to high bit error rates or low radio signal strength.
  • the external device 49 runs a software application for interacting with the assemblies 32.
  • the software application represents various conveyor idler rollers and illustrates which rollers are functioning and which rollers are malfunctioning. A technician is thereby able to readily identify the defective roller.
  • the software application provides information regarding the temperature of the conveyor idler roller. A high temperature may indicate that a bearing is about to fail.
  • the software application can also indicate whether the conveyor idler roller is vibrating in an abnormal manner, compared to the other rollers nearby. This may indicate that the roller has failed.
  • the communications device 48 can transmit information via BluetoothTM low energy technology (BLE) as a beacon.
  • BLE BluetoothTM low energy technology
  • GATT Generic Attributes
  • UUID universally unique identifier
  • GUID globally unique identifier
  • each assembly can transmit packets of data including a unit identifier packet, a universal resource locator packet, and four different telemetry frames.
  • the frames use standard EddystoneTM data (which is based on the iBeacon TM roduced and sold by Apple Inc).
  • the first telemetry frame contains details of the battery voltage, the temperature, the number of advertisements and the running count (in tenths of a second).
  • the second telemetry frame contains information such as the installation date, the vibration level in g-force, the conveyor frame number, operating hours, belt speed and bearing lifespan. A malfunction warning can be generated if vibration level or temperature is above predefined limits.
  • the third telemetry frame contains a code which identifies the manufacturer of the assembly, the employee number of the customer installing the assembly, the assembly serial number, the manufacturing date, and the date the assembly was received on site.
  • the fourth telemetry frame contains the assembly firmware version and the bearing life hours left. These telemetry frames can be encrypted if required.
  • the idler roller information such as operating hours can be used to determine warranty claims if failure is seen before a predetermined operating time span (e.g. 250,000 hours rather than time span).
  • the communications device 48 uses its near field communications capability to update the running firmware on the assembly 10.
  • the external device 49 can be used to record program information into the assembly 10. This information includes conveyor number, frame number, roller identifier number, information identifying whether the roller is a carrier or a return roller, alerts if the idler roller should be changed out, the date of installation and the employee number.
  • Figure 5 shows a worker using an external device receiving information from a roller on a conveyor that is reporting problems, after an inspection of the data and the roller, the worker would then to mark the roller for change out.
  • the conveyor number, frame number, and roller number (shown as Module in this occasion), along with the information if it was a Carry or Return roller. This would be validated by the worker, and the sites roller application database would be updated, to start the sites roller replacement procedure.
  • the present invention provides for improved predictive maintenance of a conveyor idler roller through real time monitoring. These rollers can be connected to via any number of devices to check for problems so that they can be addressed more efficiently.
  • Real time data monitoring data from the processor 46 may utilise augmented reality to improve visualisation to a user.
  • the user external device may be a pair of mixed reality smartglasses such as MicrosoftTM HoloLensTM. Tapping on a roller, broken or working, will display information about that roller. Tapping a on broken roller will include the option to go through the steps for how to fix, including a visual representation of the steps.
  • mixed reality smartglasses such as MicrosoftTM HoloLensTM.
  • An advantage of the assembly of the present invention is that it can be easily retrofitted to existing conveyor idler rollers.
  • the end cap of a conventional conveyor idler roller can be removed and replaced with the assembly. If a conveyor idler roller fails, then the assembly can be removed (if required) and used on another conventional conveyor idler roller.
  • the processor 46 may have a near field communications receiver/transmitter and/or transmitter/receivers that can run both the ANTTM and BluetoothTM protocols at the same time.
  • the separate components of the printed circuit board 25 may be combined into single components without departing from the scope of the present invention.
  • the accelerometer 50 may be combined with the temperature sensor 52 in the same component.
  • the processor 46 may also act as temperature sensor 52 as it has an in-built temperature sensor. Consequently, these and other modifications are contemplated to be within the spirit and scope of the claims.
  • Figures 6 and 7 show the expected radio frequency (RF) radiation pattern for the antenna shown in Figure 4.
  • the various colours in the three dimensional signal strength graph in Figure 6 represents the varying signal strengths and directions that the RF signal is being transmitted.
  • Figure 7 shows the same RF radiation pattern in 2 dimensions.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Conveyors (AREA)

Abstract

L'invention concerne un ensemble de contrôle permettant de contrôler un rouleau non commandé de transporteur, le rouleau non commandé de transporteur comprenant au moins un capuchon d'extrémité, le rouleau non commandé de transporteur comprenant : un joint labyrinthe comprenant une partie d'étanchéité interne configurée pour tourner avec le rouleau et une partie d'étanchéité externe configurée pour rester fixe à l'intérieur du capuchon d'extrémité lorsque la partie d'étanchéité interne est en rotation ; un aimant monté sur la partie d'étanchéité interne ; et une carte de circuit imprimé montée sur la partie d'étanchéité externe, la carte de circuit imprimé comprenant : au moins un capteur permettant de détecter des informations provenant du rouleau non commandé de transporteur ; un processeur permettant d'enregistrer les informations détectées à partir de l'au moins un capteur ; et un dispositif de communication permettant de transmettre et de recevoir des informations entre le processeur et un dispositif utilisateur externe.
PCT/AU2018/050057 2017-01-31 2018-01-31 Ensemble de contrôle de rouleau non commandé de transporteur WO2018141009A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA3126407A CA3126407A1 (fr) 2017-01-31 2018-01-31 Ensemble de controle de rouleau non commande de transporteur
AU2018214438A AU2018214438C1 (en) 2017-01-31 2018-01-31 Conveyor idler roller monitoring assembly
ZA2020/05010A ZA202005010B (en) 2017-01-31 2020-08-13 Conveyor idler roller monitoring assembly
AU2023274187A AU2023274187A1 (en) 2017-01-31 2023-11-30 Conveyor idler roller monitoring assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2017900275A AU2017900275A0 (en) 2017-01-31 Conveyor Idler Monitoring Assembly
AU2017900275 2017-01-31

Publications (1)

Publication Number Publication Date
WO2018141009A1 true WO2018141009A1 (fr) 2018-08-09

Family

ID=63039268

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2018/050057 WO2018141009A1 (fr) 2017-01-31 2018-01-31 Ensemble de contrôle de rouleau non commandé de transporteur

Country Status (4)

Country Link
AU (2) AU2018214438C1 (fr)
CA (1) CA3126407A1 (fr)
WO (1) WO2018141009A1 (fr)
ZA (1) ZA202005010B (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190203773A1 (en) * 2018-01-03 2019-07-04 Aktiebolaget Skf Roller with integrated load detection
WO2021026605A1 (fr) * 2019-08-13 2021-02-18 Minesensor Assets Pty Ltd Ensemble capteur et système de surveillance pour un cylindre non commandé dans un système de transporteur à courroie
US11440745B2 (en) * 2017-12-22 2022-09-13 Flexible Steel Lacing Company Apparatus and method for monitoring conveyor systems
CN115159028A (zh) * 2022-08-04 2022-10-11 中国水利水电第七工程局有限公司 皮带输送机托辊在线非接触监测装置及监测方法
EP4149868A1 (fr) * 2021-05-10 2023-03-22 Interroll Holding AG Rouleau de transport
WO2024003621A1 (fr) * 2022-06-28 2024-01-04 Lorbrand (Pty) Ltd Dispositif de surveillance de rouleau
WO2025050171A1 (fr) * 2023-09-05 2025-03-13 Minesensor Assets Pty Ltd Perfectionnements d'un ensemble capteur et système de surveillance pour un galet porteur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803953A1 (fr) * 2004-09-10 2007-07-04 Ntn Corporation Dispositif de roulement de roue muni d'un dispositif de detection de vitesse de rotation
US7954621B2 (en) * 2007-09-27 2011-06-07 Rockwell Automation Technologies, Inc. Modular wireless conveyor interconnection method and system
US20110137587A1 (en) * 2009-06-09 2011-06-09 Tca Technologies Inc. Systems and methods for monitoring rollers for conveyors
AU2012276745A1 (en) * 2011-06-29 2013-12-19 Ntn Corporation Conveyor device bearing unit with malfunction detection function, conveyor equipment and bearing unit monitoring system
EP3001057A1 (fr) * 2013-05-20 2016-03-30 NSK Ltd. Roulement rotatif équipé d'un capteur, moteur et actionneur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803953A1 (fr) * 2004-09-10 2007-07-04 Ntn Corporation Dispositif de roulement de roue muni d'un dispositif de detection de vitesse de rotation
US7954621B2 (en) * 2007-09-27 2011-06-07 Rockwell Automation Technologies, Inc. Modular wireless conveyor interconnection method and system
US20110137587A1 (en) * 2009-06-09 2011-06-09 Tca Technologies Inc. Systems and methods for monitoring rollers for conveyors
AU2012276745A1 (en) * 2011-06-29 2013-12-19 Ntn Corporation Conveyor device bearing unit with malfunction detection function, conveyor equipment and bearing unit monitoring system
EP3001057A1 (fr) * 2013-05-20 2016-03-30 NSK Ltd. Roulement rotatif équipé d'un capteur, moteur et actionneur

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11440745B2 (en) * 2017-12-22 2022-09-13 Flexible Steel Lacing Company Apparatus and method for monitoring conveyor systems
US12006160B2 (en) 2017-12-22 2024-06-11 Flexible Steel Lacing Company Apparatus and method for monitoring conveyor systems
US20190203773A1 (en) * 2018-01-03 2019-07-04 Aktiebolaget Skf Roller with integrated load detection
US10767703B2 (en) * 2018-01-03 2020-09-08 Aktiebolaget Skf Roller with integrated load detection
WO2021026605A1 (fr) * 2019-08-13 2021-02-18 Minesensor Assets Pty Ltd Ensemble capteur et système de surveillance pour un cylindre non commandé dans un système de transporteur à courroie
US20220281690A1 (en) * 2019-08-13 2022-09-08 Minesensor Assets Pty Ltd. A sensor assembly and monitoring system for an idler roller in a belt conveyor system
EP4149868A1 (fr) * 2021-05-10 2023-03-22 Interroll Holding AG Rouleau de transport
US12229624B2 (en) 2021-05-10 2025-02-18 Interroll Holding Ag Conveyor roller
WO2024003621A1 (fr) * 2022-06-28 2024-01-04 Lorbrand (Pty) Ltd Dispositif de surveillance de rouleau
CN115159028A (zh) * 2022-08-04 2022-10-11 中国水利水电第七工程局有限公司 皮带输送机托辊在线非接触监测装置及监测方法
WO2025050171A1 (fr) * 2023-09-05 2025-03-13 Minesensor Assets Pty Ltd Perfectionnements d'un ensemble capteur et système de surveillance pour un galet porteur

Also Published As

Publication number Publication date
ZA202005010B (en) 2021-08-25
CA3126407A1 (fr) 2018-08-09
AU2023274187A1 (en) 2023-12-21
AU2018214438B2 (en) 2023-12-14
AU2018214438A1 (en) 2019-08-15
AU2018214438C1 (en) 2024-05-16

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