Scanner for ultrasonic scanning detection and locking-adjusting method thereof

A technology of ultrasonic scanning and scanner, which is applied in the direction of material analysis, instruments, and measuring devices using sound waves/ultrasonic waves/infrasonic waves. The effect of convenient adjustment process

Active Publication Date: 2015-12-23
CHENGDU GUDAOER SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the device for girth weld defect detection of small-diameter pipes is only a structure of telescopic crawler and multi-axis roller body. step adjustment to complete

Method used

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  • Scanner for ultrasonic scanning detection and locking-adjusting method thereof
  • Scanner for ultrasonic scanning detection and locking-adjusting method thereof
  • Scanner for ultrasonic scanning detection and locking-adjusting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] like figure 1 , figure 2 , image 3As shown, the scanner for ultrasonic scanning detection includes a left lock ring unit 1 and a right lock ring unit 2 connected with the left lock ring unit 1, and the left lock ring unit 1 includes a left outer lock ring 3 and a fitting The left inner lock ring 4 on the left outer lock ring 3 inwall, the left inner lock ring 4 can carry out the linear movement of the vertical direction with respect to the left outer lock ring 3, and the left outer lock ring 3 is provided with a vertical bar parallel to each other 5-1 and pole two 5-2, the bottom end of pole one 5-1 and the bottom end of pole two 5-2 are all fixed with left outer lock ring 3, the top of pole one 5-1 and pole The top of the two 5-2 is connected with the encoder swing seat 8 at the same time, the encoder swing seat 8 is provided with the encoder 9 and the fastening screw 7, the bottom end of the encoder 9 is provided with the encoder runner 6, and the encoder rotates ...

Embodiment 2

[0045] like Figure 4 , Figure 5 , Image 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 , Figure 14 , Figure 15 , Figure 16 As shown, the left inner lock ring 4 is provided with a boss 4-1, and the boss 4-1 can move linearly in the centripetal direction relative to the stepped inner cavity 3-6 in the left outer lock ring 3, and the left outer lock ring 3 is provided with two threaded holes 3-4, and the stepped inner cavity 3-6 is arranged between the threaded holes 3-4, and the threaded holes 3-4 are provided with a plunger 10-2, and the plunger 1 10-2 Push the left inner lock ring backing surface 4-2 on the left inner lock ring 4 as a drive for linear movement of the boss 4-1 relative to the stepped inner cavity 3-6 in the left outer lock ring 3 in the centripetal direction force, the left outer lock ring 3 is provided with threaded hole 2 3-3, the threaded hole 2 3-3 is provided with plunger 2 10-1, the encoder swin...

Embodiment 3

[0047] The locking adjustment method of the scanner used for ultrasonic scanning detection: select the suitable scanner type for the outer wall 15 diameter of the small-diameter tube to be detected as required; align the inner cylindrical surface 4-4 of the left inner locking ring in the left locking ring unit with the Fit the outer wall 15 of the small-diameter tube, and keep this state; fit the inner cylindrical surface 12-3 of the probe wedge in the right locking ring unit to the outer wall of the small-diameter tube, and be in an up-down position with the left locking ring unit; make the right locking ring unit The right outer lock ring surface 2 11-5 of the probe wedge corresponds to the left outer lock ring surface 3-7 in the left lock ring unit; hold the right lock ring unit and push the left lock ring unit until it is close; pass The inner cavity of the right outer lock ring in the right lock ring unit 2 penetrates the locking screw 14, and is screwed in through two thr...

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PUM

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Abstract

The invention discloses a scanner for ultrasonic scanning detection and a locking-adjusting method thereof. The scanner comprises a left locking ring unit and a right locking ring unit connected with the left locking ring unit, wherein the left locking ring unit comprises a left outer locking ring and a left inner locking ring attached to the inner wall of the left outer locking ring, a vertical rod I and a vertical rod II are arranged on the left outer locking ring, are both fixed to the left outer locking ring and are simultaneously connected with an encoder swing seat, an encoder and a fastening screw are arranged in the encoder swing seat, and an encoder rotation wheel is arranged at the bottom end of the encoder. The right locking ring unit comprises a right outer locking ring and a probe wedge block connected with the right outer locking ring, a handle is arranged in the right outer locking ring and penetrates through the probe wedge block, and the probe wedge block is fastened in the inner cavity of the right outer locking ring through the handle. When the scanner is applied actually, fat detection on multiple weld defects of the same small-diameter pipe ring can be performed in real time after one-time adjustment is completed, the mounting, dismounting and adjustment process is quick and convenient, and the detection efficiency can be also greatly improved.

Description

technical field [0001] The invention relates to a scanner for ultrasonic scanning detection, which is especially suitable for Cobra probes to detect defects of girth welds of small-diameter pipes, and is especially suitable for use in narrow spaces between pipes. Background technique [0002] Ultrasound refers to any sound wave or vibration. Scientists refer to the number of vibrations per second as the frequency of sound, and its unit is Hertz (Hz). The frequency of sound waves that our human ears can hear is from 20Hz to 20000Hz. When the vibration frequency of the sound wave is less than 20Hz or greater than 20000Hz, we can't hear it. Therefore, we call sound waves with a frequency higher than 20,000 Hz "ultrasonic". Ultrasonic frequencies commonly used in medical diagnosis range from 1 MHz to 10 MHz. Ultrasound is a sound wave with a frequency higher than 20,000 Hz. In practical applications, it is divided into power ultrasound and detection ultrasound. Its frequency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/265
Inventor 周飞旭
Owner CHENGDU GUDAOER SCI & TECH
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