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Terahertz real-time online detection system and method for steel cord conveyor belt
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A steel wire rope core and detection system technology, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of high price, reduced transportation efficiency, and extended work cycle, and achieve the effects of low cost, avoiding damage, and high safety
Active Publication Date: 2021-06-29
SHANDONG ANENG CONVEYOR BELT & RUBBER
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Problems solved by technology
[0004] (1) X-ray detection technology can only detect faults in a small range due to the limitation of X-ray radiation. It is difficult to detect long-distance conveyor belts, which not only consumes a lot of detection time, but also increases detection work. Intensity, and when carrying out long-distance conveyor belt detection, it must be kept still. Only in this way can the detection quality be guaranteed, and the stop of the conveyor belt will directly prolong the working cycle, and the transportation efficiency will also be greatly reduced. It is difficult to complete the normal operation of the belt. Automated detection in the state, so that the daily detection of the tape is limited
[0005] (2) The equipment is heavy and expensive, and during the testing process, X-rays will inevitably be irradiated to the staff. If the staff performs high-intensity testing work for a long time, it will cause extremely serious damage to the body
However, the interface display is not clear and intuitive enough, and customers cannot specifically judge the location and degree of damage from the test report
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Embodiment 1
[0058] figure 1 It is a structural schematic diagram of Embodiment 1 of a terahertz real-time on-line detection system for a steel cord conveyor belt of the present invention.
[0059] Such as figure 1 As shown, a terahertz real-time online detection system for a steel cord conveyor belt in this embodiment includes:
[0060] A terahertz source and a first terahertz detector located above the steel cord conveyor belt;
[0061] The terahertz wave emitted by the terahertz source covers the upper surface of the steel cord conveyor belt;
[0062] The first terahertz detector is used to detect the terahertz reflected wave reflected by the upper surface of the steel cord conveyor belt and transmit it to the processor;
[0063] The processor is configured to perform the following steps:
[0064] Receive the terahertz reflected wave and form a black shadow area;
[0065] If a discontinuity occurs in the black shadow area, it is determined that a short rope phenomenon occurs at the...
Embodiment 2
[0069] Such as figure 2 As shown, a terahertz real-time online detection system for a steel cord conveyor belt in this embodiment includes:
[0070] A terahertz source and a first terahertz detector located above the steel cord conveyor belt;
[0071] A second terahertz detector located under the steel cord conveyor belt;
[0072] The second terahertz detector is used to detect the terahertz transmitted wave passing through the surface of the steel cord conveyor belt;
[0073] The terahertz wave emitted by the terahertz source covers the upper surface of the steel cord conveyor belt;
[0074] The first terahertz detector is used to detect the terahertz reflected wave reflected by the upper surface of the steel cord conveyor belt and transmit it to the processor;
[0075] The processor is configured to perform the following steps:
[0076] Receive the terahertz reflected wave and form a black shadow area;
[0077] If a discontinuity in the black shadow area is detected, i...
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Abstract
The invention discloses a terahertz real-time online detection system and method for a wire rope core conveyor belt. The system includes a terahertz source and a first terahertz detector located above the steel cord conveyor belt; the terahertz wave emitted by the terahertz source covers the upper surface of the steel cord conveyor belt; the first terahertz detector , is used to detect the terahertz reflected wave reflected by the upper surface of the wire rope core conveyor belt and transmit it to the processor; the processor is configured to perform the following steps: receive the terahertz reflected wave and form a black shadow area; if black is detected If there is discontinuity in the shaded area, it is determined that the short rope phenomenon occurs at the corresponding position of the steel cord conveyor belt.
Description
technical field [0001] The invention belongs to the detection field of steel cord conveyor belts, in particular to a terahertz real-time on-line detection system and method for steel cord conveyor belts. Background technique [0002] In the current real-time detection scheme of conveyor belt defects, the image analysis method based on X-ray imaging and the magnetic flux leakage measurement method based on electromagnetic theory are the most widely used. [0003] Among them, the X-ray detection method is a non-destructive flaw detection technology based on X-ray projection imaging and computer imageprocessing. This technology mainly uses X-rays to penetrate the conveyor belt and project it onto the sensor to form a clear image of the internal structure of the steel cord conveyor belt, and the image is stored, processed, and analyzed by a computer. This technology can clearly and intuitively observe the operation status of the joint position of the steel cord conveyor belt, ...
Claims
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