CN103278564A - Method for flaw detection of axle body by axle end surface ultrasonic small-angle longitudinal wave - Google Patents
Method for flaw detection of axle body by axle end surface ultrasonic small-angle longitudinal wave Download PDFInfo
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- CN103278564A CN103278564A CN2013102208828A CN201310220882A CN103278564A CN 103278564 A CN103278564 A CN 103278564A CN 2013102208828 A CN2013102208828 A CN 2013102208828A CN 201310220882 A CN201310220882 A CN 201310220882A CN 103278564 A CN103278564 A CN 103278564A
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- longitudinal wave
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Abstract
Provided is a method for flaw detection of axle body by axle end surface ultrasonic small-angle longitudinal wave. Two longitudinal wave probes are assembled in the same probe shell and placed on an axle end surface of an axle. Incidence points of main beams of the two longitudinal wave probes are located in an annular plane between the edge of the maximum radius of centre hole of the axle and the edge of a threaded hole of the axle end surface of the axle, and the edge of the threaded hole has a minimum distance to an axle centre. The main beams emitted by the two longitudinal wave probes can reach the middle position and the quarter position of the axle body of the axle through a shaft axis of the axle respectively. The axle and the two longitudinal wave probes are rotated relatively for more than one circle during the detection. The method for flaw detection of axle body by axle end surface ultrasonic small-angle longitudinal wave can avoid missing and false alarms through the ways that the two probes are assembled together and the main beams can be emitted to the specific positions of the axle by the combinational design of the angle and the installation position of probes. The method for flaw detection is simple. The ultrasonic flaw detection of the axle body of the axle can be especially achieved on line. The method can save a lot of money and has significant economic benefits.
Description
Technical field
The present invention relates to the method that the ultrasonic small angle longitudinal wave of a kind of axletree end face is detected a flaw to axle body.
Background technology
Ultrasonic Detection to train axle axle body position defective, adopted end face compressional wave normal probe (being zero degree compressional wave normal probe) defectoscopy in the past, this method is based on the more weak acoustic pressure of acoustic beam spread angle to holoaxial, especially the big defective of axle body detects, its detectability to little defective is very poor, and the axial end threaded hole has also caused the flaw detection blind area; In addition, very mixed and disorderly based on the echo of spread angle on the instrument display screen, be difficult to the defective of distinguishing the true from the false, very easily to report by mistake and leak spy, the existing unique advantage of method is that two axial ends only needs each 1 probe to get final product.
Summary of the invention
Purpose of the present invention just provide a kind of cost few, survey the accuracy rate height, leak the method that the low ultrasonic small angle longitudinal wave of axletree end face of False Rate is detected a flaw to axle body of visiting.
The method that the ultrasonic small angle longitudinal wave of axletree end face of the present invention is detected a flaw to axle body, two longitudinal wave probes are combined in the same probing shell, and be placed on the axial end of axletree, in the planar annular of the Main beam center incidence point of two longitudinal wave probes between axle center Kongzui long radius edge and axle center to axletree end-face helical Kongzui small size edge, the Main beam of two longitudinal wave probes emission arrives 1/4th of the positive meta of axle body of axletree and axle bodies by the axletree axial line respectively, during detection, axletree and two longitudinal wave probes relatively rotated more than the week, the other end of axletree is adopted the detection that uses the same method, and the ultrasonic inspection that can finish the whole piece axletree detects.
The method that the ultrasonic small angle longitudinal wave of axletree end face of the present invention is detected a flaw to axle body, combine by two probes, and make each specific position of Main beam directive axletree by the composite design of head angle and installation site, having avoided failing to report the wrong report phenomenon produces, its method of detection is easy, especially the online detection of UT (Ultrasonic Testing) that can canbe used on line axletree axle body can be saved a large amount of funds, has bigger economic benefit.
Description of drawings
Fig. 1 detects synoptic diagram for the inventive method;
Fig. 2 is the axletree end view.
1, axle center hole, 2, the axletree threaded hole, 3, axle journal, 4, dustproof seat, 5, wheel seat, 6, axle body, 7, longitudinal wave probe, 8,1/4th of axle bodies, 9, the positive meta of axle body.
Embodiment
The method that the ultrasonic small angle longitudinal wave of a kind of axletree end face is detected a flaw to axle body, two longitudinal wave probes 7 are combined in the same probing shell, and be placed on the axial end of axletree, in the planar annular of the Main beam center incidence point of two longitudinal wave probes 7 between axle center Kongzui long radius edge and axle center to axletree end-face helical Kongzui small size edge, in the planar annular that r as shown in Figure 2 and R surround, the Main beam of two longitudinal wave probes, 7 emissions arrives 1/4th 8 of the positive meta 9 of axle body of axletree and axle bodies by the axletree axial line respectively, during detection, axletree and two longitudinal wave probes 7 relatively rotated more than the week, the UT (Ultrasonic Testing) of finishing whole axletree detects, the other end of axletree is adopted the detection that uses the same method, and the Main beam of the longitudinal wave probe 7 of both ends of the surface covers whole axle bodies.
Claims (1)
1. method that the ultrasonic small angle longitudinal wave of axletree end face is detected a flaw to axle body, it is characterized in that: two longitudinal wave probes (7) are combined in the same probing shell, and be placed on the axial end of axletree, in the planar annular of the Main beam center incidence point of two longitudinal wave probes (7) between axle center Kongzui long radius edge and axle center to axletree end-face helical Kongzui small size edge, the Main beam of two longitudinal wave probes (7) emission arrives the positive meta of axle body (9) and 1/4th of the axle bodies (8) of axletree respectively by the axletree axial line, during detection, axletree and two longitudinal wave probes (7) relatively rotated more than the week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220882.8A CN103278564B (en) | 2013-06-06 | 2013-06-06 | Method for flaw detection of axle body by axle end surface ultrasonic small-angle longitudinal wave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220882.8A CN103278564B (en) | 2013-06-06 | 2013-06-06 | Method for flaw detection of axle body by axle end surface ultrasonic small-angle longitudinal wave |
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| Publication Number | Publication Date |
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| CN103278564A true CN103278564A (en) | 2013-09-04 |
| CN103278564B CN103278564B (en) | 2015-07-08 |
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| CN201310220882.8A Expired - Fee Related CN103278564B (en) | 2013-06-06 | 2013-06-06 | Method for flaw detection of axle body by axle end surface ultrasonic small-angle longitudinal wave |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067710A (en) * | 2015-07-20 | 2015-11-18 | 常州市常超电子研究所有限公司 | Train shaft unloading groove probe |
| CN108120766A (en) * | 2018-01-23 | 2018-06-05 | 吴来政 | The method and device that ultrasonic phase array small angle longitudinal wave detects a flaw to axle body |
| CN114200013A (en) * | 2020-09-17 | 2022-03-18 | 云南缔邦检测有限公司 | Contact net operation wheel pair axle phased array detection method |
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| CN101322028A (en) * | 2005-06-01 | 2008-12-10 | Jspm公司 | Method for inspecting the state of a rotating machine drive shaft |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067710A (en) * | 2015-07-20 | 2015-11-18 | 常州市常超电子研究所有限公司 | Train shaft unloading groove probe |
| CN108120766A (en) * | 2018-01-23 | 2018-06-05 | 吴来政 | The method and device that ultrasonic phase array small angle longitudinal wave detects a flaw to axle body |
| CN114200013A (en) * | 2020-09-17 | 2022-03-18 | 云南缔邦检测有限公司 | Contact net operation wheel pair axle phased array detection method |
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| CN103278564B (en) | 2015-07-08 |
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Inventor after: Wu Laizheng Inventor after: Wang Jun Inventor after: Wu Jiewen Inventor after: Wu Chengjun Inventor after: Wu Qiujin Inventor after: Ai Maoxing Inventor after: Wang Hongtao Inventor after: Chen Jinlin Inventor after: Yao Xiaohong Inventor after: Shi Shengping Inventor after: Lin Xinhua Inventor after: Wang Yongbin Inventor after: Liu Duhui Inventor after: Song Haofei Inventor after: Lang Shunming Inventor after: Qiu Hongbing Inventor after: Li Yang Inventor after: Wang Wei Inventor after: Wan Shengyun Inventor before: Wu Laizheng Inventor before: Wang Jun Inventor before: Wang Yongbin Inventor before: Liu Duhui Inventor before: Song Haofei Inventor before: Lang Shunming Inventor before: Qiu Hongbing Inventor before: Li Yang Inventor before: Wang Wei Inventor before: Wan Shengyun |
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Free format text: CORRECT: INVENTOR; FROM: WU LAIZHENG WANG YONGBIN LIU DUHUI SONG HAOFEI LANG SHUNMING QIU HONGBING LI YANG WANG WEI WAN SHENGYUN WANG JUN TO: WU LAIZHENG WANG YONGBIN LIU DUHUI SONG HAOFEI LANG SHUNMING QIU HONGBING LI YANG WANG WEI WAN SHENGYUN WANG JUN WU JIEWEN WU CHENGJUN WU QIUJIN AI MAOXING WANG HONGTAO CHEN JINLIN YAO XIAOHONG SHI SHENGPING LIN XINHUA |
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Granted publication date: 20150708 Termination date: 20210606 |