Device and method for detecting wear in conveyor belt
AssigneeThe Yokohama Rubber Co., Ltd.
InventorYusuke Ishibashi
Life of this patent
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Abstract
Embedded bodies in a conveyor belt at intervals in a longitudinal direction each include a passive IC tag 3 at one side portion of the conveyor belt and a linear shaped detection element connected to the IC tag extending toward the other side portion to form a loop circuit. An embedding depth of the loop circuit into the conveyor belt is preset in advance, a transmission radio wave is emitted from a detector toward the IC tag, energization of the loop circuit 9 is determined using information transmitted from the IC tag to the detector via a return radio wave W2 emitted from the IC tag 3 in response to the transmission radio wave, and to determine a degree of wear on the surface of the conveyor belt in a range where the loop circuit 9 is embedded.
Claims11
A device for detecting wear in a conveyor belt, the device comprising:
- an embedded body embedded in the conveyor belt formed integrally of an upper cover rubber, a lower cover rubber, and a core layer disposed between the upper cover rubber and the lower cover rubber, an upper surface of the upper cover rubber being configured to have a conveyed object fed thereon;
- a detector configured to wirelessly communicate with the embedded body without contacting the conveyor belt;
- and
- a calculation unit connected to the detector;
- the embedded body comprising an IC tag that is passive and a detection element connected to the IC tag, extending outside the IC tag to form a loop circuit, and having a linear shape,
- an embedding depth of the loop circuit from a surface of the conveyor belt being set in advance, and the IC tag is embedded in one end portion of the conveyor belt in a width direction and the loop circuit extends to the other end portion of the core layer in the width direction, and
- a transmission radio wave being emitted from the detector toward the IC tag, presence or absence of energization of the loop circuit being determined by the calculation unit by using information transmitted from the IC tag to the detector via a return radio wave emitted from the IC tag in response to the transmission radio wave, and in accordance with this determination result, a degree of wear on the surface of the conveyor belt in a range where the loop circuit is embedded being grasped.
A method for detecting wear in a conveyor belt using an embedded body embedded in the conveyor belt formed integrally of an upper cover rubber, a lower cover rubber, and a core layer disposed between the upper cover rubber and the lower cover rubber, an upper surface of the upper cover rubber being configured to have a conveyed object fed thereon, a detector configured to wirelessly communicate with the embedded body without contacting the conveyor belt, and a calculation unit connected to the detector,
- the embedded body comprising an IC tag that is passive and a detection element connected to the IC tag, extending outside the IC tag to form a loop circuit, and having a linear shape,
- the method comprising:
- setting an embedding depth of the loop circuit from a surface of the conveyor belt in advance;
- embedding the IC tag in one end portion of the conveyor belt in a width direction and extending the loop circuit to the other to the other end portion of the core layer in the width direction,
- emitting a transmission radio wave from the detector toward the IC tag;
- and
- determining, by the calculation unit, presence or absence of energization of the loop circuit by using information transmitted from the IC tag to the detector via a return radio wave emitted from the IC tag in response to the transmission radio wave;
- and
- grasping, in accordance with this determination result, a degree of wear on the surface of the conveyor belt in a range where the loop circuit is embedded.
Dependencies are inferred from the claim text.