AU2011321060C1 - Roller for a belt transporter comprising sensors for monitoring the condition of the roller - Google Patents

Roller for a belt transporter comprising sensors for monitoring the condition of the roller Download PDF

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Publication number
AU2011321060C1
AU2011321060C1 AU2011321060A AU2011321060A AU2011321060C1 AU 2011321060 C1 AU2011321060 C1 AU 2011321060C1 AU 2011321060 A AU2011321060 A AU 2011321060A AU 2011321060 A AU2011321060 A AU 2011321060A AU 2011321060 C1 AU2011321060 C1 AU 2011321060C1
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AU
Australia
Prior art keywords
roller
rollers
electronic arrangement
receiver
measured values
Prior art date
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Ceased
Application number
AU2011321060A
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AU2011321060B2 (en
AU2011321060A1 (en
Inventor
Jonny Johansson
Mikael Larsmark
Jarle Vestnes
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Flakk Investment As
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Flakk Invest As
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Publication date
Application filed by Flakk Invest As filed Critical Flakk Invest As
Publication of AU2011321060A1 publication Critical patent/AU2011321060A1/en
Assigned to NARVIK COMPOSITE AS reassignment NARVIK COMPOSITE AS Request for Assignment Assignors: EISTEC AB, NARVIK COMPOSITE AS
Application granted granted Critical
Publication of AU2011321060B2 publication Critical patent/AU2011321060B2/en
Assigned to Flakk Investment AS reassignment Flakk Investment AS Request for Assignment Assignors: NARVIK COMPOSITE AS
Publication of AU2011321060C1 publication Critical patent/AU2011321060C1/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • B65G43/10—Sequence control of conveyors operating in combination
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/58—Conveyor systems, e.g. rollers or bearings therefor

Abstract

The present invention concerns a roller for a belt transporter comprising a body that is mounted in bearings on an axis of rotation such that it can rotate. The body comprises measurement sensors for registering measured values of the roller, and an electronic arrangement that transmits and receives signals. The invention concerns also a system for monitoring a roller, a method to be used in the system, and the use of a roller.

Description

ROLLER FOR A BELT TRANSPORTER COMPRISING SENSORS FOR MONITORING THE CONDITION OF THE ROLLER
The present invention concerns a roller for a belt transporter. Furthermore, it concerns a system for monitoring the condition of such a roller for a belt transporter, a method to monitor the condition of a roller for a belt transporter and the use of such a roller.
Belt transporters are commonly used in several areas of application. They are used to transport material and goods between various locations in, for example, a factory building. They often comprise a framework, in which several rollers are mounted in bearings. A drive roller is arranged at at least one of the rollers, usually at the beginning of the transporter. The drive roller is intended to drive an endless belt that passes around the line of rollers. The distance between the rollers may vary, and it is often adapted to the object that is to be transported, in order to provide as large a load-carrying capacity as possible.
The surroundings are often dusty and dirty, and this leads to wear of the rollers, bearings and belt taking place continuously, and the degree of wear is often different for the different fittings. The wear will sooner or later lead to failure of the transporter, which means that it must be stopped and repaired. The cause of the failure of the transporter must first be determined before repair. A fault that often occurs is failure of the bearings of one or several rollers. The roller or rollers must subsequently be exchanged. In addition, it is sometimes necessary to remove the belt such that the repair engineer can gain access to the roller that is to be exchanged. This method is time-consuming, and at today's rate of production it causes large losses and disturbances in production.
An object of the present invention is to overcome at least one of the drawbacks of the prior art transporters and rollers. A preferred embodiment aims to avoid such disturbances by offering an arrangement, a system and a method to detect wear in rollers and bearings, and to predict maintenance and service.
There is disclosed herein a roller for a belt transporter comprising a body that is mounted in bearings on an axis of rotation such that it can rotate, wherein the body comprises measurement sensors for the registering of measured values of the roller with respect to the condition of the roller, and an electronic arrangement, located inside the body, that transmits and receives signals, wherein the electronic arrangement comprises an aerial for transmission and reception of signals, the aerial is located in such a manner that the signals can be transported from the inner electronic arrangement of the roller to the surroundings, and wherein the body is manufactured from a material that allows signals to pass through the roller, from the inside to the outside and from the outside to the inside.
In one preferred aspect, the electronic arrangement comprises a memory module for the storage of the measured values registered.
In one preferred aspect, the electronic arrangement is cast in the material of the body.
In one preferred aspect, the body comprises a tubular jacket inside which the electronic arrangement is placed.
In one preferred aspect, the electronic arrangement comprises a generator arranged inside the body for the production of electricity.
In one preferred aspect, the generator comprises a stator and a rotor arranged at the axis of rotation and the inner surface of the jacket, respectively.
In one preferred aspect, the electronic arrangement comprises an energy-storage module arranged inside the roller.
There is also disclosed herein a system with at least two rollers according to above, wherein the measured values are communicated from one roller to another roller of the belt transporter.
In one preferred aspect, the measured values are communicated between the rollers and a receiver arranged at a distance from the belt transporter.
In one preferred aspect, the receiver comprises a hand-held unit.
In one preferred aspect, the receiver communicates with a network.
In one preferred aspect, the communication is wireless communication.
In one preferred aspect, the communication takes place intermittently.
There is also disclosed herein a method for monitoring the condition of a roller according to above in a system according to above, which method comprises the step: registering the rotation of a roller.
In one preferred aspect, the method further comprises the steps: measuring the rate of rotation of a roller measuring the bearing temperature of a roller measuring vibrations of a roller, and measuring the load on the bearings of a roller.
In one preferred aspect, the method further comprises the stages: measuring the relative humidity in the roller recording the number of rotations the roller has performed registering the identity of the roller, and transmitting the measured and registered values to a receiver.
In one preferred aspect, the method further comprises the stages: transmitting the measured values from one roller to another of the rollers transmitting the measured values from one of the rollers to a receiver at a distance from the rollers. detection of damage and prediction of service and maintenance.
One preferred embodiment will be described below with reference to the attached drawings, of which:
Figure 1 shows a view of a roller according to invention,
Figure 2 shows a number of rollers mounted in a framework,
Figure 3 shows a second view of a roller, and
Figure 4 shows a cross-section along the line X-X in Figure 3.
The roller 1 shown in Figure 1 comprises a circularly cylindrical body 2 that is mounted in bearings on an axis of rotation such that it can rotate. The body 2 may be solid, i.e. the complete body of the roller is unitary. In a second embodiment, the body is built up from a tube with an outer periphery or jacket 4 and end pieces 5 mounted in bearings on the axis of rotation such that it can rotate. The body 2 has a length that is adapted to a frame 6, the roller frame, shown in Figure 2, in order to allow the mounting of several rollers with their axes of rotation parallel to each other. An endless transporter belt 7 is arranged to pass around the rollers, resting on these as shown in Figure 2. At least one of the rollers is connected to a drive motor 8 in order to drive the belt.
The roller 1 is provided with an electronic arrangement 9 located inside the body 2 as shown in Figures 3 and 4. If the body is solid, the solid body is provided with a cavity or a compartment 10 in order to provide space for the electronic arrangement. It is an advantage that the space is located in connection with one end 11, 12 of the body in order to facilitate mounting and repair/maintenance. The electronic arrangement may be also cast in the body 2. If the roller is built up from a tube with end pieces, the electronic arrangement is located within the jacket 4 of the roller.
The electronic arrangement 9 comprises several sensors for the measurement of the condition of the roller. The term "condition" is here used to denote parameters in the form of: - the temperature of bearings - registering the rotation of the roller - the rate of revolution of the roller - vibration, and - load.
It should be realised that the condition is not limited to these parameters: it can comprise further parameters that are important for reliable operation. Examples of these are: - the identity of the roller - information about the location of the roller - the date of production of the roller - the date of installation of the roller - registering the total number of revolutions of the roller - the relative humidity inside the roller.
The sensors comprise technology such as, for example, temperature sensors, vibration meters, wire extension sensors, humidity meters, optical measurement technology, revolution counters and identification modules. These types of sensor and meter are known within other fields, and for this reason they will not be described in more detail.
The measured values are transmitted from communication components 13 in the form of a transmitter and a receiver located in the body to a receiver located at a distance from the roller. The receiver may be a relay, known as a "hub", connected to a computer network, it may be a receiver in another roller, or [sic, missing "a signal may be sent"?] directly to a principal unit. It should be realised that the transmitter and the receiver of the roller may be separate parts or an integrated unit. The communication takes place in a wireless manner in a wireless network of known technology, such as through the use of radio communication for industrial use or other wireless technology. It should be realised, however, that the communication may take place also with the aid of wired technology.
The receiver in a further embodiment comprises a hand-held unit. A user can hold the hand-held unit and move along the transporter. When the hand-held unit is located within a distance that corresponds to the range of the signals, the signals are transmitted from the rollers and are stored or read in the hand-held unit. The user can subsequently transfer the signals received and their values to the principal unit as required.
The principal unit may be a computer that stores and processes the signals received. A user or an operator who monitors the parameters and status of the system receives the processed signals presented graphically or numerically, or graphically and numerically, on a screen. Since the signals received have been stored, it is possible to study the status of the system historically, such that it is possible to request service and maintenance at an early stage.
The electronic arrangement comprises further a generator 15, which is shown schematically in Figure 4, for the production of the energy that is required to power the sensors and communication components 13. The generator is built up from a rotor 16 with the associated coils arranged inside the roller, and a stator 17 located at the axis of rotation. The rotor 16 may be used also for the measurement of the rate of rotation of the roller and the number of rotations, as has been described above. An energy-storage medium 18, for example a rechargeable battery or condenser, is arranged in connection with the generator 15.
The electronic arrangement comprises further a memory module 19. The memory module is intended to receive the measured values from the sensors, and to store these before they are transmitted. The purpose of this in that it is to be possible for communication to take place when the opportunity arises, if disruption of the network should arise. The communication can be organised also such that the measured values are stored in the memory module 19, such that they can be sent at certain timed intervals, i.e. that transmitter and the receiver are activated on pre-determined occasions. The purpose of this is not only to save power, but also to avoid the communication in the system of rollers interfering with other signal communication that may take place in the region around the transporter.
The values that have been read and measured can be processed and refined by a microprocessor 20 arranged in connection with the memory module. The advantage of this is that a user who reads the values of the rollers directly can see the result when he or she is at the side of the transporter.
Finally, the electronic unit can comprise an aerial 21 for the transmission and reception of signals. The aerial is located in such a manner that the signals can be transported from the inner electronic arrangement of the roller to the surroundings. The body in one embodiment is manufactured from a material that allows signals to pass through the roller, from the inside to the outside and from the outside to the inside. It should hereby be realised that the roller may be manufactured from a material that requires that the aerial is located externally, at, for example, the end pieces of the roller, such that the signals can be led into and out from the body.
The rollers of the transporter are comprised within a system for monitoring the condition of the rollers. The sensors of the electronic arrangement in each roller continuously measure the parameters or the values stated above. When the parameters have been measured, signals that contain the parameters are transmitted to a receiver that has been determined in advance. The receiver may be a neighbouring roller or a hub. Each roller has the possibility of communication with a second, neighbouring roller, as shown by the signals A and B that are illustrated in Figure 2. A certain number of rollers, which number has been determined in advance, have, furthermore, the possibility of communication with one or several hubs, as shown by the signal C. The signal C thus comprises information about the roller that has transmitted the signal, and, in addition, information from neighbouring rollers. The hub transmits the signals that have been received onwards to a principal unit as the signal D.
This system means that information about the condition of all rollers can be obtained by the operator, who monitors the network of rollers and hubs. If a roller acquires an elevated value of bearing temperature, vibration, load, or any other measured parameter, an error signal is passed to the operator. Trends can be analysed by monitoring throughout an extended period, and service and maintenance of the transporter can be planned.
If the communication is arranged such that it takes place a certain intervals of time, it should be realised that the communication can take place also in the opposite manner. What is meant with this is that the operator can transmit a signal from the principal unit or from the hand-held unit, with an enquiry concerning one or several parameters of a particular roller, or of all rollers.
The present invention is not limited to what has been described above and shown in the drawings: it can be changed and modified in several different ways within the scope of the innovative concept defined by the attached patent claims.

Claims (19)

  1. CLAIMS:
    1. A roller for a belt transporter comprising a body that is mounted in bearings on an axis of rotation such that it can rotate, wherein the body comprises measurement sensors for the registering of measured values of the roller with respect to the condition of the roller, and an electronic arrangement, located inside the body, that transmits and receives signals, wherein the electronic arrangement comprises an aerial for transmission and reception of signals, the aerial is located in such a manner that the signals can be transported from the inner electronic arrangement of the roller to the surroundings, and wherein the body is manufactured from a material that allows signals to pass through the roller, from the inside to the outside and from the outside to the inside.
  2. 2. The roller according to claim 1, whereby the electronic arrangement comprises a memory module for the storage of the measured values registered.
  3. 3. The roller according to claim 1, whereby the electronic arrangement is cast in the material of the body.
  4. 4. The roller according to claim 1, whereby the body comprises a tubular jacket inside which the electronic arrangement is placed.
  5. 5. The roller according to claim 1, whereby the electronic arrangement comprises a generator arranged inside the body for the production of electricity.
  6. 6. The roller according to either one of claim 4 and claim 5, whereby the generator comprises a stator and a rotor arranged at the axis of rotation and the inner surface of the jacket, respectively.
  7. 7. The roller according to claim 1, whereby the electronic arrangement comprises an energy-storage module arranged inside the roller.
  8. 8. A system with at least two rollers according to claim 1, wherein the measured values are communicated from one roller to another roller of the belt transporter.
  9. 9. The system according to claim 8, whereby the measured values are communicated between the rollers and a receiver arranged at a distance from the belt transporter.
  10. 10. The system according to claim 9, whereby the receiver comprises a hand-held unit.
  11. 11. The system according to claim 10, whereby the receiver comprises a hub.
  12. 12. The system according to any one of claims 9-11, whereby the receiver communicates with a network.
  13. 13. The system according to any one of claims 8-12, whereby the communication is wireless communication.
  14. 14. The system according to any one of the claims 8-13, whereby the communication takes place intermittently.
  15. 15. A method for monitoring the condition of a roller according to claim 1 in a system according to claim 8, which method comprises the step: - registering the rotation of a roller.
  16. 16. The method according to claim 15, further comprising the steps: - measuring the rate of rotation of a roller - measuring the bearing temperature of a roller - measuring vibrations of a roller, and - measuring the load on the bearings of a roller.
  17. 17. The method according to any one of claims 15-16, further comprising the stages: - measuring the relative humidity in the roller - recording the number of rotations the roller has performed - registering the identity of the roller, and - transmitting the measured and registered values to a receiver.
  18. 18. The method according to any one of claims 15-17, further comprising the stages: - transmitting the measured values from one roller to another of the rollers - transmitting the measured values from one of the rollers to a receiver at a distance from the rollers.
  19. 19. Method according to claim 15 comprising the steps - detection of damage and - prediction of service and maintenance.
AU2011321060A 2010-10-25 2011-10-25 Roller for a belt transporter comprising sensors for monitoring the condition of the roller Ceased AU2011321060C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1051104-6 2010-10-25
SE1051104A SE536095C2 (en) 2010-10-25 2010-10-25 Roll for a belt conveyor including sensors for monitoring the condition of the roll
PCT/SE2011/051261 WO2012057680A1 (en) 2010-10-25 2011-10-25 Roller for a belt transporter comprising sensors for monitoring the condition of the roller

Publications (3)

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AU2011321060A1 AU2011321060A1 (en) 2013-05-23
AU2011321060B2 AU2011321060B2 (en) 2016-07-21
AU2011321060C1 true AU2011321060C1 (en) 2017-11-23

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AU2011321060A Ceased AU2011321060C1 (en) 2010-10-25 2011-10-25 Roller for a belt transporter comprising sensors for monitoring the condition of the roller

Country Status (5)

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EP (1) EP2632828A4 (en)
AU (1) AU2011321060C1 (en)
BR (1) BR112013010005A2 (en)
SE (1) SE536095C2 (en)
WO (1) WO2012057680A1 (en)

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IT201900005976A1 (en) * 2019-04-17 2020-10-17 G P Service S R L APPARATUS FOR DETECTING AND COMMUNICATING THE ROLL BREAKAGE IN A ROLLER CONVEYOR
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Also Published As

Publication number Publication date
SE536095C2 (en) 2013-05-07
SE1051104A1 (en) 2012-04-26
EP2632828A1 (en) 2013-09-04
WO2012057680A1 (en) 2012-05-03
AU2011321060B2 (en) 2016-07-21
EP2632828A4 (en) 2018-03-21
AU2011321060A1 (en) 2013-05-23
BR112013010005A2 (en) 2017-07-25

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