WO2013080954A1 - コンベヤベルト装置 - Google Patents
コンベヤベルト装置 Download PDFInfo
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- WO2013080954A1 WO2013080954A1 PCT/JP2012/080575 JP2012080575W WO2013080954A1 WO 2013080954 A1 WO2013080954 A1 WO 2013080954A1 JP 2012080575 W JP2012080575 W JP 2012080575W WO 2013080954 A1 WO2013080954 A1 WO 2013080954A1
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- conveyor belt
- magnetic field
- field generating
- generating means
- measuring means
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- 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
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- 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
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- 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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
Definitions
- the present invention relates to a conveyor belt device.
- This application claims priority based on Japanese Patent Application No. 2011-264958 for which it applied to Japan on December 2, 2011, and uses the content here.
- an endless belt-like conveyor belt that transports a transported article and a wear amount measuring unit that measures a wear amount of a surface on which the transported article is loaded on the conveyor belt are provided.
- Conveyor belt devices are known.
- the amount of wear on the surface of the conveyor belt is periodically measured. Based on this amount of wear, the elapsed time from the start of use of the conveyor belt when the conveyor belt was unused to the time of measurement of the amount of wear, and the amount of wear at the predetermined life of the conveyor belt Predict the remaining time until the conveyor belt reaches the end of its life.
- the operation time of the conveyor belt is different for every period from the time when the wear amount is measured to the next time the wear amount is measured, and the transport amount of the package varies. In some cases, it is difficult to accurately predict the life of the conveyor belt.
- the present invention has been made in view of the above-described circumstances, and an object thereof is to provide a conveyor belt device capable of predicting the life of the conveyor belt with high accuracy.
- a conveyor belt device includes an endless belt-like conveyor belt that transports a transport object, and a wear amount measuring unit that measures a wear amount of a surface on which the transport object is loaded on the conveyor belt. It is a conveyor belt device provided with a number-of-turns measuring means for measuring the number of turns of the conveyor belt.
- the conveyor belt device can predict the life of the conveyor belt with high accuracy.
- the conveyor belt device 10 has an endless belt-like conveyor belt 11 that transports the transported goods Y and wear that measures the amount of wear of the surface 11 a on which the transported goods Y are loaded on the conveyor belt 11. Measured from an amount measuring means (circumference detecting means) 12, a loading height measuring means 13 for measuring the loading height of the load Y loaded on the conveyor belt 11, an abrasion amount measuring means 12 and a loading height measuring means 13. And a calculation unit (circumference measuring means) 14 for acquiring data separately.
- the conveyor belt 11 is wound between a pair of pulleys 15 and 16 which are arranged at a predetermined interval in the horizontal direction and can rotate around the rotation axis.
- a drive pulley 15 and a driven pulley 16 are provided as the pair of pulleys 15 and 16.
- the rotation axes of the pulleys 15 and 16 are parallel to each other and are along the belt width direction H.
- the carrier-side conveyor belt 11 whose surface 11 a faces vertically upward is supported by a plurality of belt support means 17 arranged in the belt circumferential direction L between the drive pulley 15 and the driven pulley 16.
- the carrier-side conveyor belt 11 travels in a trough-like state supported by belt support means 17.
- the belt support means 17 is disposed so as to be rotatable about a rotation axis along the belt width direction H.
- the belt support means 17 includes a center roller 18 that supports the central portion of the conveyor belt 11 in the belt width direction H, and a pair of side rollers 19.
- the pair of side rollers 19 are disposed on both outer sides of the center roller 18 in the belt width direction H, and are disposed so as to be rotatable about a rotation axis inclined with respect to the rotation axis of the center roller 18.
- the side edges in direction H are supported separately.
- the carrier-side conveyor belt 11 transports the load Y loaded on the conveyor belt 11 from the driven pulley 16 (one pulley) side toward the drive pulley 15 (the other pulley) side.
- a hopper for dropping the transported goods Y onto the conveyor belt 11 is provided above the conveyor belt 11 on the carrier side.
- the carrier-side conveyor belt 11 transports the transported goods Y dropped from the hopper to an unloading part (not shown) provided on the drive pulley 15 side.
- the return-side conveyor belt 11 whose surface 11a faces vertically downward travels in a state where the belt 11 is flatly developed along the belt width direction H.
- the conveyor belt 11 is provided with first magnetic field generating means 20 and second magnetic field generating means 21 for generating a magnetic field toward the surface 11 a side of the conveyor belt 11.
- the first magnetic field generating means 20 and the second magnetic field generating means 21 are disposed so that the positions in the belt circumferential direction L are different from each other and the positions in the belt width direction H are equal to each other.
- the polarities of the magnetic fields of the first magnetic field generating means 20 and the second magnetic field generating means 21 are different from each other on the surface 11a side of the conveyor belt 11.
- Each of the magnetic field generating means 20 and 21 is composed of one rubber magnet provided with flexibility that can be deformed following the conveyor belt 11.
- the magnetic fields of the rubber magnet constituting the first magnetic field generating means 20 and the rubber magnet constituting the second magnetic field generating means 21 have different polarities on the surface 11 a side of the conveyor belt 11.
- the rubber magnet is formed so as to be magnetized in the thickness direction of the conveyor belt 11 by, for example, a bond magnetic body in which magnetic powder of a permanent magnet material is dispersed in compounded rubber.
- a rare earth magnet such as neodymium iron boron or samarium iron nitrogen, an alco magnet, and ferrite can be employed.
- the first magnetic field generating means 20 is embedded in, for example, the conveyor belt 11 so as to be exposed from the surface 11a. As the surface 11a of the conveyor belt 11 is worn, the first magnetic field generating means 20 is also worn. With the wear of the surface 11a of the conveyor belt 11, for example, the magnitude of the magnetic field of the first magnetic field generating means 20, the range of the magnetic field of the first magnetic field generating means 20 along the belt width direction H, and the first magnetic field generating means 20 The range of the magnetic field along the belt circumferential direction L changes.
- Wear amount measuring means 12 measures the amount of wear on the surface of the conveyor belt with reference to the conveyor belt 11 at the start of use.
- the wear amount measuring means 12 is a magnetic sensor that measures the magnetic field of the first magnetic field generating means 20 that changes according to the wear amount of the surface 11a of the conveyor belt 11 as the wear amount of the surface 11a of the conveyor belt 11 as described above. It is configured.
- a magnetic sensor a gauss meter, a loop coil, etc. are employable, for example.
- the wear amount measuring means 12 is disposed so as to face the surface 11a of the return-side conveyor belt 11.
- a width direction guide (not shown) that restricts the movement of the conveyor belt 11 along the belt width direction H is provided at a portion facing the wear amount measuring means 12. May be provided.
- the opposing portion is provided with a thickness direction guide that supports the conveyor belt 11 from the back side thereof and regulates the separation of the conveyor belt 11 from the wear amount measuring means 12 in the thickness direction of the conveyor belt 11. It may be done.
- the wear amount measuring means 12 detects the start and end of one turn of the conveyor belt 11.
- the wear amount measuring means 12 detects the magnetic field of the second magnetic field generating means 21 as the start and end of one turn of the conveyor belt 11. According to the wear amount measuring means 12, when the end of one round of the conveyor belt 11 is detected, the start of the next round of the conveyor belt 11 is detected.
- the loading height measuring means 13 measures the loading height of the transported goods Y loaded on a part of the conveyor belt 11.
- the loading height measuring means 13 is disposed in a measurement portion located on the drive pulley 15 side of the hopper in the belt path of the carrier-side conveyor belt 11.
- the loading height measuring means 13 measures the loading height of the transported goods Y loaded on a portion of the conveyor belt 11 that passes through the measurement portion.
- the stack height measuring means 13 is disposed on the surface 11 a side of the conveyor belt 11.
- the loading height measuring unit 13 determines the distance from the loading height measuring unit 13 to the package Y as the loading height of the package Y, for example, by emitting light such as laser light or ultrasonic waves, and the light or ultrasonic waves. It is comprised by the distance sensor which measures by receiving reflection of.
- the loading height measuring means 13 is disposed above the conveyor belt 11 and the belt supporting means 17 and emits light or ultrasonic waves toward the transported goods Y loaded on the conveyor belt 11. In the illustrated example, the loading height measuring means 13 is directed toward the center in the belt width direction H of the surface 11a of the conveyor belt 11 in a state where the transported material Y is not loaded on the surface 11a of the conveyor belt 11.
- the stack height measuring means 13 is located outside the central portion of the conveyor belt 11 in the belt width direction H in the belt width direction H.
- the stacking height measuring unit 13 emits light or ultrasonic waves obliquely downward toward the inside along the belt width direction H. It should be noted that the distance from the load height measuring means 13 to the transported object Y becomes shorter when the load Y of the transported object Y loaded on the conveyor belt 11 is large, and becomes longer when the load height is small. That is, the distance from the loading height measuring means 13 to the transported object Y changes according to the loading height.
- the calculation unit 14 measures the number of revolutions of the conveyor belt 11 from the start of use of the conveyor belt 11. Based on the detection data of the start and end of one turn of the conveyor belt 11 from the wear amount measuring means 12, the calculation unit 14 makes one turn to the number of turns of the conveyor belt 11 every time the turn of the conveyor belt 11 is completed. to add. Thereby, the calculating part 14 measures the said frequency
- the computing unit 14 determines the presence or absence of the transported goods Y on the conveyor belt 11 based on the measurement data from the loading height measuring means 13.
- the presence / absence of the transported goods Y on the conveyor belt 11 can be determined by comparing the loading height of the transported goods Y with a predetermined reference value.
- the arithmetic unit 14 does not add one round to the number of rounds of the conveyor belt 11 when it is determined that there is no transported material Y on the conveyor belt 11 from the start to the end of one round of the conveyor belt 11.
- the calculation unit 14 calculates the remaining thickness of the conveyor belt 11 based on the measurement data of the wear amount of the conveyor belt 11 acquired from the wear amount measuring means 12.
- the remaining thickness of the conveyor belt 11 is calculated by subtracting the amount of wear of the conveyor belt 11 from the thickness at the start of use of the conveyor belt 11 stored in advance in the calculation unit 14.
- the conveyor belt 11 is caused to travel by the drive pulley 15.
- the calculation unit 14 measures the number of revolutions of the conveyor belt 11 and acquires measurement data from the stack height measuring means 13 as shown in FIG.
- the calculation unit 14 acquires measurement data from the wear amount measuring unit 12 and measures the wear amount by the wear amount measuring unit 12 every time the conveyor belt 11 rotates, for example, a certain number of turns such as 1000 turns.
- the calculation unit 14 measures the number of rotations of the conveyor belt 11. Therefore, when the amount of wear on the surface 11a of the conveyor belt 11 is measured by the wear amount measuring means 12, the number of turns of the conveyor belt 11 is also measured by the arithmetic unit 14. Accordingly, as shown in FIG. 4, the remaining number of laps until the conveyor belt 11 reaches the end of its life is predicted based on the amount of wear and the number of laps and a predetermined amount of wear at the end of the life of the conveyor belt 11. can do. That is, the life of the conveyor belt 11 can be predicted not by the period but by the number of turns.
- the vertical axis in the graph shown in FIG. 4 indicates the remaining thickness of the conveyor belt 11.
- the calculation unit 14 determines that there is no transported material Y on the conveyor belt 11 from the start to the end of one turn of the conveyor belt 11, it does not add one turn to the number of turns of the conveyor belt 11. Thereby, it is possible to exclude the rotation that does not affect the wear of the surface 11 a of the conveyor belt 11 from the number of rotations of the conveyor belt 11. As a result, the life of the conveyor belt 11 can be predicted with higher accuracy.
- the calculation unit 14 adds one round to the number of rounds of the conveyor belt 11 every time the round of the conveyor belt 11 is completed based on the detection data from the wear amount measuring means 12. Thereby, the calculating part 14 measures the frequency
- the magnetic fields of the first magnetic field generating means 20 and the second magnetic field generating means 21 are different from each other on the surface 11a side of the conveyor belt 11. Thereby, it is possible to determine which one of the first magnetic field generating means 20 and the second magnetic field generating means 21 has been detected based on the polarity of the magnetic field detected by the wear amount measuring means 12. As a result, the number of revolutions of the conveyor belt 11 can be measured with higher accuracy.
- the wear amount measuring means 12 also functions as the above-described rotation detecting means for detecting the start and end of one rotation of the conveyor belt 11. Thereby, the enlargement of the conveyor belt device 10 can be suppressed while detecting the start and end of one turn of the conveyor belt 11.
- the loading height measuring means 13 is constituted by the distance sensor. As a result, the loading height can be measured without contacting the transported goods Y. As a result, the conveyor belt 11 can be stably operated.
- the loading height measuring unit 13 is configured by the distance sensor.
- the present invention is not limited to this.
- the loading height measuring means 13 can be appropriately changed to another configuration for measuring the loading height of the transported goods Y loaded on the conveyor belt 11.
- the stack height measuring means 13 includes a light or ultrasonic wave transmission unit 31 and a reception unit 32.
- the transmitter 31 and the receiver 32 are disposed above the conveyor belt 11 so as to sandwich the conveyor belt 11 in the belt width direction H.
- the loading height of the transported goods Y may be measured based on whether or not the receiving unit 32 receives light or ultrasonic waves.
- the calculation unit 14 when it is determined that there is no transported material Y on the conveyor belt 11 from the start to the end of one turn of the conveyor belt 11, the calculation unit 14 does not add one turn to the number of turns of the conveyor belt 11. .
- the present invention is not limited to this. In this case, the loading height measuring means 13 may be omitted.
- the magnetic fields of the rubber magnet constituting the first magnetic field generating means 20 and the rubber magnet constituting the second magnetic field generating means 21 have different polarities on the surface 11 a side of the conveyor belt 11. .
- the polarities of the magnetic fields of the first magnetic field generating means 20 and the second magnetic field generating means 21 are different from each other on the surface 11 a side of the conveyor belt 11.
- the present invention is not limited to this.
- the first magnetic field generating means 20 is composed of one rubber magnet
- the second magnetic field generating means 21 is composed of two rubber magnets, and the magnetic fields of these two rubber magnets are transferred to the conveyor belt.
- 11 may have a different polarity on the surface 11a side.
- the magnetic field generated from the first magnetic field generating means 20 has one polarity, while the magnetic field generated from the second magnetic field generating means 21 has two polarities. That is, the polarities of the magnetic fields of the first magnetic field generating means 20 and the second magnetic field generating means 21 are different from each other. The polarities of the magnetic fields of the first magnetic field generating means 20 and the second magnetic field generating means 21 are different from each other on the surface 11 a side of the conveyor belt 11. The present invention is not limited to this.
- the wear amount measuring means 12 detects the start and end of one turn of the conveyor belt 11.
- the present invention is not limited to this.
- a turn detection means may be provided, and the turn detection means may detect the start and end of one turn of the conveyor belt 11.
- the wear amount measuring means 12 is constituted by a magnetic sensor that measures the magnetic field of the first magnetic field generating means 20 as the wear amount of the conveyor belt 11.
- the present invention is not limited to this. If it is the structure which measures the abrasion amount of the surface 11a of the conveyor belt 11, it can change suitably.
- the wear amount measuring unit 12 detects the magnetic field of the second magnetic field generating unit 21 as the start and end of one round of the conveyor belt 11.
- an RFID tag may be provided on the conveyor belt 11 in place of the second magnetic field generating means 21, and the start and end of one round of the conveyor belt 11 may be detected by detecting the RFID tag.
- the calculating part 14 measures the frequency
- FIG. The present invention is not limited to this.
- a rotational speed measuring means for measuring the rotational speed of the drive pulley 15 may be provided, and the number of revolutions of the conveyor belt 11 may be measured based on measurement data from the rotational speed measuring means.
- the calculating part 14 which acquires measurement data from the abrasion amount measurement means 12 measures the frequency
- a lap number measuring unit may be provided, and the lap number measuring unit may measure the lap number of the conveyor belt 11.
- the carrier-side conveyor belt 11 travels while being supported in a trough shape, and the return-side conveyor belt 11 travels in a state of being flatly developed along the belt width direction H.
- the present invention is not limited to this.
- the conveyor belt 11 on the carrier side may travel in a flat state over the entire circumference of the conveyor belt 11 without being supported in a trough shape.
- at least one of the carrier-side conveyor belt 11 and the return-side conveyor belt 11 travels in a state of being a pipe-like portion rounded around a pipe axis extending in the belt circumferential direction L. There may be.
- the loading height measuring means 13 is disposed before and after the carrier-side conveyor belt 11 is formed as a pipe-shaped portion, for example. Etc. are possible.
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- Engineering & Computer Science (AREA)
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- Control Of Conveyors (AREA)
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Abstract
Description
この種のコンベヤベルト装置では、定期的にコンベヤベルトの表面の摩耗量を測定する。この摩耗量と、前記コンベヤベルトが未使用状態であったコンベヤベルトの使用開始時から摩耗量の測定時までの経過期間と、予め定められたコンベヤベルトの寿命時における摩耗量と、に基づいて、コンベヤベルトが寿命に至るまでの残りの期間を予測する。
本発明の第1の態様に係るコンベヤベルト装置は、輸送物を輸送する無端帯状のコンベヤベルトと、前記コンベヤベルトにおいて輸送物が積載される表面の摩耗量を測定する摩耗量測定手段と、を備えるコンベヤベルト装置であって、前記コンベヤベルトの周回数を測定する周回数測定手段を備えている。
図1および図2に示すように、コンベヤベルト装置10は、輸送物Yを輸送する無端帯状のコンベヤベルト11と、コンベヤベルト11において輸送物Yが積載される表面11aの摩耗量を測定する摩耗量測定手段(周回検出手段)12と、コンベヤベルト11に積載された輸送物Yの積載高さを測定する積載高さ測定手段13と、摩耗量測定手段12および積載高さ測定手段13から測定データを各別に取得する演算部(周回数測定手段)14と、を備えている。
図示の例では、表面11aが鉛直下側を向くリターン側のコンベヤベルト11は、ベルト幅方向Hに沿って平坦に展開された状態で走行する。
積載高さ測定手段13は、コンベヤベルト11およびベルト支持手段17よりも上方に配設されており、コンベヤベルト11に積載された輸送物Yに向けて、光または超音波を出射する。図示の例では、積載高さ測定手段13は、コンベヤベルト11の表面11aに輸送物Yが非積載とされている状態で、コンベヤベルト11の表面11aのうちのベルト幅方向Hの中央に向けて光または超音波を出射するように、ブラケット22により保持されている。積載高さ測定手段13は、コンベヤベルト11のベルト幅方向Hの中央部よりもベルト幅方向Hの外側に位置している。積載高さ測定手段13は、光または超音波を、ベルト幅方向Hに沿った内側に向かう斜め下方に向けて出射する。
なお、積載高さ測定手段13から輸送物Yまでの距離は、コンベヤベルト11に積載された輸送物Yの積載高さが大きいと短くなり、前記積載高さが小さいと長くなる。すなわち、積載高さ測定手段13から輸送物Yまでの距離は、前記積載高さに応じて変化する。
コンベヤベルト11の残り厚さは、演算部14に予め記憶されたコンベヤベルト11の使用開始時の厚さから、コンベヤベルト11の摩耗量を減ずることにより算出される。
なお、図4に示すグラフにおける縦軸は、コンベヤベルト11の残り厚さを示している。
さらに、積載高さ測定手段13が、前記距離センサにより構成されている。これにより、輸送物Yに接触せずにも前記積載高さを測定することが可能となる。その結果、コンベヤベルト11を安定に稼働させることができる。
例えば、前記実施形態では、積載高さ測定手段13が、前記距離センサにより構成されている。本発明は、これに限られない。積載高さ測定手段13は、コンベヤベルト11に積載された輸送物Yの積載高さを測定する他の構成に適宜変更することができる。例えば、図5に示すコンベヤベルト装置30のように、積載高さ測定手段13が、光または超音波の発信部31と受信部32とを備えている。これら発信部31と受信部32とが、コンベヤベルト11の上方において、コンベヤベルト11をベルト幅方向Hに挟み込むように配設されている。受信部32による光または超音波の受信の有無により、輸送物Yの積載高さが測定されてもよい。
前記実施形態では、演算部14が、コンベヤベルト11の一周回の開始から終了まで、コンベヤベルト11上に輸送物Yが無いと判定されたときには、コンベヤベルト11の周回数に一周回を加算しない。本発明はこれに限られない。この場合、積載高さ測定手段13はなくてもよい。
第1磁界発生手段20および第2磁界発生手段21の各磁界の極性が、コンベヤベルト11の表面11a側において互いに異なっている。本発明はこれに限られない。
前記実施形態では、摩耗量測定手段12が、第2磁界発生手段21の磁界を、コンベヤベルト11の一周回の開始および終了として検出する。本発明は、これに限られない。例えば、コンベヤベルト11に第2磁界発生手段21に代えてRFIDタグが配設され、前記RFIDタグを検出することにより、コンベヤベルト11の一周回の開始および終了として検出してもよい。
前記実施形態では、摩耗量測定手段12から測定データを取得する演算部14が、コンベヤベルト11の周回数を測定する。本発明は、これに限られない。演算部14とは別に、周回数測定手段を設け、前記周回数測定手段が、コンベヤベルト11の周回数を測定してもよい。
例えば、キャリア側のコンベヤベルト11が、トラフ状に支持されずに、コンベヤベルト11の全周にわたって平坦な状態で走行する構成でもよい。
また、キャリア側のコンベヤベルト11およびリターン側のコンベヤベルト11のうちの少なくとも一方が、ベルト周方向Lに延在するパイプ軸回りに丸められてなるパイプ状部分とされた状態で走行する構成であってもよい。このうち、キャリア側のコンベヤベルト11がパイプ状部分とされた状態で走行する場合、積載高さ測定手段13は、例えばキャリア側のコンベヤベルト11がパイプ状部分とされる前後に配設すること等が可能である。
11 コンベヤベルト
11a 表面
12 摩耗量測定手段
14 演算部(周回数測定手段)
20 第1磁界発生手段
21 第2磁界発生手段
Claims (4)
- 輸送物を輸送する無端帯状のコンベヤベルトと、
前記コンベヤベルトにおいて輸送物が積載される表面の摩耗量を測定する摩耗量測定手段と、を備えるコンベヤベルト装置であって、
前記コンベヤベルトの周回数を測定する周回数測定手段を備えているコンベヤベルト装置。 - 請求項1に記載のコンベヤベルト装置であって、
前記コンベヤベルトの一周回の開始および終了を検出する周回検出手段を備え、
前記周回数測定手段は、前記周回検出手段からの検出データに基づいて、前記一周回が終了するごとに前記コンベヤベルトの周回数に一周回を加算することで、前記周回数を測定する請求項1に記載のコンベヤベルト装置。 - 請求項2に記載のコンベヤベルト装置であって、
前記摩耗量測定手段は、前記コンベヤベルトに配設された第1磁界発生手段の磁界を、前記摩耗量として測定する磁気センサにより構成され、
前記周回検出手段は、前記コンベヤベルトに配設された第2磁界発生手段の磁界を、前記コンベヤベルトの一周回の開始および終了として検出し、
前記摩耗量測定手段は、前記周回検出手段を兼ねている請求項2に記載のコンベヤベルト装置。 - 請求項3に記載のコンベヤベルト装置であって、
前記第1磁界発生手段および前記第2磁界発生手段の各磁界の極性は、前記コンベヤベルトの表面側において互いに異なっている請求項3に記載のコンベヤベルト装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US14/361,758 US9284129B2 (en) | 2011-12-02 | 2012-11-27 | Conveyor belt apparatus |
AU2012344875A AU2012344875B2 (en) | 2011-12-02 | 2012-11-27 | Conveyor belt apparatus |
CN201280058865.2A CN103958372B (zh) | 2011-12-02 | 2012-11-27 | 传送带装置 |
Applications Claiming Priority (2)
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JP2011264958A JP5957215B2 (ja) | 2011-12-02 | 2011-12-02 | コンベヤベルト装置 |
JP2011-264958 | 2011-12-02 |
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WO2013080954A1 true WO2013080954A1 (ja) | 2013-06-06 |
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PCT/JP2012/080575 WO2013080954A1 (ja) | 2011-12-02 | 2012-11-27 | コンベヤベルト装置 |
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US (1) | US9284129B2 (ja) |
JP (1) | JP5957215B2 (ja) |
CN (1) | CN103958372B (ja) |
AU (1) | AU2012344875B2 (ja) |
WO (1) | WO2013080954A1 (ja) |
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Also Published As
Publication number | Publication date |
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AU2012344875B2 (en) | 2016-02-25 |
CN103958372B (zh) | 2016-06-08 |
JP2013116795A (ja) | 2013-06-13 |
JP5957215B2 (ja) | 2016-07-27 |
CN103958372A (zh) | 2014-07-30 |
US20140326582A1 (en) | 2014-11-06 |
US9284129B2 (en) | 2016-03-15 |
AU2012344875A1 (en) | 2014-06-26 |
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