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Tire ultrasonic NDT (Non-Destructive Testing) device and method

A non-destructive testing, ultrasonic technology, applied in the direction of measuring devices, using sound waves/ultrasonic waves/infrasonic waves to analyze solids, using sound waves/ultrasonic waves/infrasonic waves for material analysis, etc., can solve problems such as low detection efficiency and inconvenient detection, and improve efficiency , Simplify the operation process, and detect the effect of high accuracy

Inactive Publication Date: 2011-05-04
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a tire ultrasonic nondestructive testing device and its testing method, which can solve the defects of inconvenient tire nondestructive testing and low testing efficiency in the prior art, and can accurately locate the detected damage point

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  • Tire ultrasonic NDT (Non-Destructive Testing) device and method
  • Tire ultrasonic NDT (Non-Destructive Testing) device and method

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Embodiment Construction

[0050] This specific embodiment includes a pair of ultrasonic transmitter 1 / ultrasonic sensor 2, and the pair of ultrasonic transmitter / ultrasonic sensor is installed on the inner and outer sides of the tire 3 respectively, and transmits / receives low frequency of 120K HZ to 400K HZ through air coupling Ultrasonic, non-contact non-destructive testing of tires; such as figure 1 shown.

[0051] A tire rotation device drives the tire to rotate around the axis at a certain speed, figure 1 The direction of the arrow in is the direction of tire rotation.

[0052] An ultrasonic transmitter / ultrasonic sensor pair moving device drives the ultrasonic transmitter / ultrasonic sensor pair to move along the tire line on the tire section, such as figure 2 as shown, figure 2 The direction of the arrow in is the moving direction of the ultrasonic transmitter / ultrasonic sensor pair.

[0053] An equipment controller, respectively connected to the ultrasonic sensor and the ultrasonic transmit...

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Abstract

The invention provides a tire air coupling ultrasonic NDT (Non-Destructive Testing) device and method. The method can be used for carrying out NDT on a tire in an air coupling way by utilizing low-frequency ultrasonic waves and comprises the following steps of: analyzing and judging in real time to obtain the damaged condition of the tire in the process of ultrasonic scanning on the tire; then marking the damaged part of the tire; and finally sending an analysis result to a control end and visually displaying the analysis result to the operator of the device in the form of a 3D (Three-Dimensional) view and a three-side map. In the testing method, the damaged condition of the tire is shown by using a simple and visual tire health position map without a fluid couplant, and finally the damaged condition of the tire is visually displayed in forms of damage marking, the 3D view and the three-side map so that the tire testing process becomes simple, visual and efficient, the tire testing cost is lowered, and the practicability for tire ultrasonic NDT is increased.

Description

technical field [0001] The invention relates to the field of non-destructive testing of rubber, in particular to the field of non-destructive testing of automobile tires. Background technique [0002] Non-destructive testing of tires is one of the important steps in tire retreading. Tire retreading refers to a process in which old tires are partially repaired, processed, and reapplied with tread rubber, and then vulcanized to restore their use value. It is an important link in the tire recycling industry chain. As our country proposes to establish a development strategy of "resource-saving, environment-friendly, and reliable quality", the recycling and reuse of waste tires has been listed as a key development industry, and the tire retreading industry has achieved greater development. In recent years, the production of retreaded tires in my country has been increasing year by year. The output of retreaded tires was 3.5 million in 2000, 4 million in 2001, 4.9 million in 200...

Claims

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Application Information

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IPC IPC(8): G01N29/04G01N29/28
Inventor 石柯李军陈利华叶浩明
Owner HUAZHONG UNIV OF SCI & TECH
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