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Axle product ultrasonic radial detection calibration test block for railway rolling stock and detection method

A railway locomotive, ultrasonic technology, applied to the use of sound waves/ultrasonic waves/infrasonic waves for material analysis, measuring devices, instruments, etc., can solve the problems of bearing function failure, affecting railway transportation efficiency and transportation safety, etc., achieve low detection cost, solve ultrasonic Detection and judgment of problems, the effect of fast detection speed

Pending Publication Date: 2022-03-29
CRRC YANGTZE TONGLING CO LTD
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Problems solved by technology

When the axle fatigue fails, the bearing function of the axle also fails, which seriously affects the efficiency of railway transportation and the safety of transportation

Method used

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  • Axle product ultrasonic radial detection calibration test block for railway rolling stock and detection method
  • Axle product ultrasonic radial detection calibration test block for railway rolling stock and detection method
  • Axle product ultrasonic radial detection calibration test block for railway rolling stock and detection method

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Embodiment Construction

[0035] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0036] An ultrasonic radial detection calibration test block and detection method for railway locomotive and vehicle axle products. The calibration test block is an aggregate composed of 15 kinds of ultrasonic radial detection calibration test blocks with different diameters. The ultrasoni...

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Abstract

The invention designs an ultrasonic radial detection calibration test block and a detection method for axle products for railway locomotives and vehicles, and the calibration test block is an assembly composed of 15 ultrasonic radial detection calibration test blocks with different diameters. The basic principle for manufacturing and using the ultrasonic radial detection calibration test block is as follows: a test block blank which is completely the same as a detected axle product in material and heat treatment state and is the same as or similar to the detected axle product in surface state and type size is adopted for manufacturing the test block, so that the accuracy of quantity value transmission during detection is ensured.

Description

technical field [0001] The invention relates to a (group) ultrasonic radial detection calibration test block for an axle product of a railway locomotive. Background technique [0002] Axle products for railway rolling stock are important load-bearing parts of rolling stock running parts. When the rolling stock runs on the rails, the axle is prone to fatigue defects under the joint action of its own load and the impact force between the wheel and the rail. When the axle fatigue fails, the bearing function of the axle will also fail, which seriously affects the efficiency of railway transportation and the safety of transportation. Usually, in order to ensure the reliable operation of rolling stock, strict requirements are put forward for the internal quality of axle products, so the non-destructive testing of internal defects of axle products is also particularly important. TB / T 1618-2001 standard applies to the ultrasonic testing of internal defects of axle products for rol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/30
CPCG01N29/30
Inventor 丁守立石胜平高文卫吴继何氢玲吴文俊吴文兵江小山姚斌
Owner CRRC YANGTZE TONGLING CO LTD
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