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Testing block used for measuring refraction angle of ultrasonic inclined probe and measuring method of refraction angle

An oblique probe and ultrasonic technology, which is applied to the test block and its measurement field for measuring the refraction angle of an ultrasonic oblique probe, can solve the problems of increasing measurement errors, and achieve the effect of simple appearance, convenient use and accurate measurement

Active Publication Date: 2015-01-21
CGNPC INSPECTION TECH +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above measurement methods require the use of measuring instruments and calculations and look-up tables, which increases the measurement error

Method used

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  • Testing block used for measuring refraction angle of ultrasonic inclined probe and measuring method of refraction angle
  • Testing block used for measuring refraction angle of ultrasonic inclined probe and measuring method of refraction angle

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with specific examples. It should be understood that these embodiments are used to illustrate the basic principles, main features and advantages of the present invention, and the present invention is not limited by the scope of the following embodiments. The implementation conditions used in the examples can be further adjusted according to specific requirements, and the unspecified implementation conditions are usually the conditions in routine experiments.

[0015] Such as figure 1 As shown, a test block 1 for measuring the refraction angle of an ultrasonic oblique probe, the test block 1 includes a first circular arc surface, a bottom surface AB, a vertical surface AC and sides positioned at the front and rear sides, the bottom surface AB is perpendicular to the vertical plane AC, and the angle scale is engraved on the side surface. The first arc surface is an inwardly concave quart...

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Abstract

The invention relates to a testing block used for measuring a refraction angle of an ultrasonic inclined probe. The testing block is characterized in that the testing block comprises a bottom surface and a vertical surface, which are mutually perpendicular, a first circular arc positioned between the bottom surface and the vertical surface as well as a front side surface and a rear side surface, which are positioned on the front side and the rear side, wherein the first circular arc is an inward convex quarter inner circular arc; angle scales are engraved on the edge, near the first circular arc, of the front side surface or the rear side surface; the angle scale value represents the angle between the connecting line from the scale point position to the center of the first circular arc and the vertical surface.

Description

technical field [0001] The invention relates to a test block for measuring the refraction angle of an ultrasonic oblique probe and a measuring method thereof. Background technique [0002] In the prior art, the method for measuring the incident point and refraction angle of the ultrasonic probe is cumbersome and has low accuracy. For example, the water chestnut reflection method is commonly used to measure the incident point at present, place the arc surface of the probe wedge on the water chestnut of the test block, move the probe back and forth, so that the point corresponding to the water chestnut of the test block when the water chestnut reflected wave is the highest is the probe incident point. The method of measuring the refraction angle: first process a solid cylindrical test block, the radius of curvature of the test block is the same as that of the workpiece, and process a horizontal hole near the surface of the test block. Then place the probe on the test block, m...

Claims

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Application Information

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IPC IPC(8): G01N29/30
Inventor 马文民陈智聪肖学柱杨建华吕天明
Owner CGNPC INSPECTION TECH
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