CN202939160U - Ultrasonic phased array flaw detector sensitivity checking device - Google Patents
Ultrasonic phased array flaw detector sensitivity checking device Download PDFInfo
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- CN202939160U CN202939160U CN 201220664031 CN201220664031U CN202939160U CN 202939160 U CN202939160 U CN 202939160U CN 201220664031 CN201220664031 CN 201220664031 CN 201220664031 U CN201220664031 U CN 201220664031U CN 202939160 U CN202939160 U CN 202939160U
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- phased array
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- saw kerf
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Abstract
The utility model relates to the technical field of railway vehicle security detection and in particular relates to an ultrasonic phased array flaw detector sensitivity checking device; the ultrasonic phased array flaw detector sensitivity checking device comprises a sensitivity checking block, a phased array probe, an ultrasonic phased array flaw detector and a rotary supporting part; the sensitivity checking block is disposed on the rotary supporting part; the phased array probe is disposed at the surface of the sensitivity checking block; and the phased array probe is connected with the ultrasonic phased array flaw detector. The ultrasonic phased array detection system sensitivity checking device provided by the utility model can conveniently and fast check the detection ultrasonic beam coverage situation and the flaw detection property generated when detecting the inner flaw of the wheel pair embedded parts by the ultrasonic phased array flaw detector, so as to ensure the safe running of the vehicle.
Description
Technical field
The application relates to rolling stock safety detection technology field, particularly a kind of ultrasonic phase array sensitivity of tester calibration equipment.
Background technology
Wheel is to being one of running mechanism of train section vitals, and wheel is to defect damage entail dangers to safety of railway traffic.For guaranteeing traffic safety, need regularly wheel to vehicle to flaw detection, in time find hurt, eliminate the axletree rhegma or more renew axle, to guarantee the security of operation of vehicle.It is mainly to adopt A type soniscope to carry out that wheel detects tradition to the hurt that is bumped into section, and what this detection technique adopted is Single crystal probe, and its acoustic beam that sends has directive property, and acoustic beam is narrow.Instrument is that the A type shows simultaneously, reflecting body is from level (degree of depth) distance of probe and the wave height of reflection wave when certain is some can only to react probe, and have following shortcoming: the first, acoustic beam is narrower, and coverage rate is little, can not guarantee that all sites can be covered by acoustic beam, easily cause Lou and visit.The second, complex process, the axletree of different model when perhaps the probe scanning position is inconsistent, need to adopt the probe of different angles to carry out scanning, thereby detection efficiency is lower.Three, the reflecting body waveform shows not intuitively, and quantity of information is few, operating personnel is required high, easily causes erroneous judgement.Ultrasonic phased array technology is an emerging Dynamic Non-Destruction Measurement, controls by electronic delay, utilizes stack and the principle of interference of ripple, form dynamic scanning acoustic beam, final synthetic detected image has higher defect detection rate than conventional ultrasonic wave, and the defect reflection image shows more intuitively.Advantage shows: the first, adopt electronic control method to control acoustic beam and carry out scanning, can in the situation that not move or few mobile probe, carry out Express Order Wire scanning or sector scan, thereby improve greatly detection efficiency.The second, the acoustic beam angle is controlled, had good acoustic beam accessibility, by determining of a plurality of detection angles, can carry out the detection of complicated shape and in-service part.Three, by dynamically controlling acoustic beam deflection and focusing, can realize the dynamic control of focal position, avoid common focusing probe to detect for realizing full deep focus the trouble of the different depth scope frequently being changed probe.Four, B, C, D, S scanning imagery are aobvious more directly perceived than A, are convenient to the hurt judgement.Therefore the ultrasonic phase array detection technique is applied to take turns the section of being bumped into is detected, can overcome all deficiencies of traditional single-chip transverse wave double-bevel detector and A type soniscope, but this detection technique is applied to wheel and the section of being bumped into is detected is there is no corresponding standard support, its acoustic beam level of coverage and be that it promotes the use to the verification of defect detection ability be urgent problem.
The utility model content
The application's technical matters to be solved is to provide a kind of conveniently verification ultrasonic phase array detection system and detects detection acoustic beam coverage condition and the Flaw detectability that wheel produces when being bumped into section's inherent vice, guarantees the ultrasonic phase array sensitivity of tester calibration equipment that the safety traffic of vehicle provides safeguard.
For solving the problems of the technologies described above, the application provides a kind of ultrasonic phase array sensitivity of tester calibration equipment, comprising: sensitivity check test block, phased array probe, rotary support part and the ultrasonic phase array defectoscope of ARTIFICIAL CRACK is carved with on the surface.Described sensitivity check test block is placed on the top of described rotary support part.Described phased array probe is arranged on the surface of described sensitivity check test block.Described phased array probe is connected with described ultrasonic phase array defectoscope.
Further, described rotary supporting part divides and comprises: two rollers, two supporting seats, base and two rotation axiss.Two described supporting seats are over against arranging and being separately fixed on described base.Two described rotation axiss are arranged on respectively two on the described supporting seat that arranges.Overlapping respectively a described roller on two described rotation axiss.
Further, described rotary supporting part is divided into two.
Further, also comprise voussoir.Described phased array probe is arranged on the surface of described sensitivity check test block by described voussoir.
Further, described phased array probe is multicrystal transducer.
Further, described sensitivity check test block is cylindrical structural.
Further, the described wheel is carved with 16 artificial saw kerf defectives to axletree on its surface, wheel seat position.Article 16, described artificial saw kerf defective is divided into 2 groups, and the degree of depth of one group of 8 artificial saw kerf defective is 1mm, and the degree of depth of 8 artificial saw kerf defectives of another group is 0.5mm.Two groups of artificial saw kerf defectives are distributed in respectively described front and rear surfaces both sides of taking turns the wheel seat of axletree.The described wheel uniform 3 artificial saw kerf defectives in the tired band of outside inertia of the wheel seat crop of axletree 50mm in the wheel seat, the wheel seat back porch is to interior uniform 2 the artificial saw kerf defectives of the tired band of the inboard inertia of wheel seat 30mm, regional uniform 3 the artificial saw kerf defectives between the tired band of the tired band of outside inertia and inboard inertia.The degree of depth be the artificial saw kerf defective of 8 of 1mm and the degree of depth be 0.5mm 8 artificial saw kerf defectives about described take turns axle axis symmetrical.
The ultrasonic phase array detection system sensitivity check device that the application provides, comprise that the surface is carved with sensitivity check test block and the rotary support part of ARTIFICIAL CRACK, conveniently verification ultrasonic phase array defectoscope detects detection acoustic beam coverage condition and the Flaw detectability that wheel produces when being bumped into section's inherent vice, guarantees that the safety traffic of vehicle provides guarantee.
Description of drawings
The ultrasonic phase array sensitivity of tester calibration equipment front view that Fig. 1 provides for the embodiment of the present application.
A-A cut-open view in Fig. 1 that Fig. 2 provides for the embodiment of the present application.
B-B cut-open view in Fig. 1 that Fig. 3 provides for the embodiment of the present application.
Lineup's work defect map when the side from the sensitivity check test block that Fig. 4 provides for the embodiment of the present application is seen.
Embodiment
Referring to Fig. 1-Fig. 4, a kind of ultrasonic phase array sensitivity of tester calibration equipment that the embodiment of the present application provides comprises: the surface is with sensitivity check test block 1, phased array probe, rotary support part, ultrasonic phase array defectoscope and the voussoir 4 of artificial saw kerf defective.Sensitivity check test block 1 adopts wheel to axletree.Referring to Fig. 4, sensitivity check test block 1 is carved with 16 artificial saw kerf defectives on its surface, wheel seat position, and 16 equal defectives of artificial saw kerf adopt the line cutting to cut along axletree tangent to periphery direction.First group of degree of depth is 8 artificial saw kerf defectives of 1mm, half zone of distribution wheel seat periphery (zone that namely can see in the dead ahead of sensitivity check test block 1), axially evenly distributing, be specially: wheel seat crop outside inertia fatigue of 50mm in the wheel seat is with 6 interior uniform 3 artificial saw kerf defectives, the wheel seat back porch is with 7 interior uniform 2 artificial saw kerf defectives to the inboard inertia fatigue of wheel seat 30mm, outside inertia fatigue with 6 and inboard inertia fatigue with regional uniform 3 the artificial saw kerf defectives between 7.Another group degree of depth is 8 artificial saw kerf defectives of 0.5mm, distribution wheel seat periphery second half zone, and distribution situation is identical with the distribution situation of first group of artificial saw kerf defective.The degree of depth is that the artificial saw kerf defective of 8 of 1mm and the degree of depth are that 8 artificial saw kerf defectives of 0.5mm are symmetrical about axis, is evenly distributed on the periphery of whole wheel seat.Sensitivity check test block 1 is placed on the top of rotary support part.Phased array probe is arranged on the surface that the sensitivity check test block 1 of ARTIFICIAL CRACK is carved with on the surface.Phased array probe is connected with the portable ultraphonic phased array defectoscope by the probe connecting line.Below the structure of the ultrasonic phase array sensitivity of tester calibration equipment that further the embodiment of the present application provided be introduced: rotary supporting part divides and comprises: two rollers 5, two supporting seats 2, base 3 and two rotation axiss.Two supporting seats 2 are over against arranging and being separately fixed on base 3.Referring to Fig. 2-Fig. 3, overlapping respectively a roller 5 on two rotation axiss, two rotation axiss are arranged on respectively two on the supporting seat 2 that arranges, be specially: two top positions, middle part over against the supporting seat 2 that arranges have two holes, two pairs of holes are over against setting, and the aperture in two pairs of holes is slightly larger than the external diameter of two rotation axiss.Overlap respectively the two ends that 5, two rotation axiss of a roller are arranged on two rotation axiss and be arranged on respectively two pairs in the hole that arranges.Rotary supporting part is divided into two, and wheel is to 1 roller 5 tops that are placed on two rotary supports part.Phased array probe is fixedly connected with voussoir 4, and voussoir 4 is arranged on wheel to 1 surface.In addition, phased array probe is multicrystal transducer.
The principle of work of the ultrasonic phase array sensitivity of tester calibration equipment that the embodiment of the present application provides is as follows: referring to Fig. 1, in use, sensitivity check test block 1 is positioned on rotary support.Sensitivity check test block 1 is positioned on rotary support, voussoir 4 is placed on the axle body that sensitivity check test block 1 surface scribbles oil, keep the phased array probe invariant position, at the uniform velocity revolve 1 one weeks of sensitivity check test block, utilize the ultrasonic wave acoustic beam of the various angles that the phased array probe different chips sends and the sector scan that forms.To the section that the is bumped into internal depth that is distributed in sensitivity check test block 1 be respectively 1mm and 0.5mm totally 16 artificial saw kerf defectives carry out all-round detection, with verification sector scan overlay area and detection sensitivity.The ultrasonic phase array defectoscope is controlled by electronic delay, excite each wafer of probe to send acoustic beam, utilize stack and the principle of interference of ripple, forming dynamic scanning acoustic beam completes wheel being bumped into section's (being wheel seat section) detection, probe is accepted each artificial saw kerf defective and is formed the acoustic beam signal that boundary reflection returns simultaneously, and pass to ultrasonic phase array and visit in instrument, treated synthetic detected image is presented on ultrasonic phase array defectoscope fluorescent display screen.After testing, the degree of depth is that the artificial saw kerf defective of 1mm can detect, and can clear demonstration differentiate, and shows that the ultrasonic phase array defectoscope detects the defective ability and satisfies existing technical requirement.0.5mm the artificial saw kerf defective of the degree of depth can detect, and can clear demonstration differentiate, and shows that the ultrasonic phase array defectoscope detects the defective ability higher than existing technical requirement.By above verification, 16 artificial saw kerf defectives on sensitivity check test block 1 axle all are detected, and when the clear demonstration of energy, resolution, show that sensitivity check test block 1 meets the defects detection flaw detection sensitivity and requires and there is no undetected zone, can drop into wheel to being bumped into section's carrying out flaw detection.
The embodiment of the present application has following beneficial effect:
1, conveniently verification ultrasonic phase array defectoscope detects detection acoustic beam coverage condition and the Flaw detectability that wheel produces when being bumped into section's inherent vice, guarantees that the safety traffic of vehicle provides guarantee.
2, can guarantee that the ultrasonic phase array defectoscope covers being bumped into section's complete detection wheel.
3, can guarantee that the ultrasonic phase array defectoscope detects to reach detects the degree of depth and is respectively 1mm(or 0.5mm) flaw detection sensitivity of artificial defect equivalent defect is accurate.
It should be noted last that, above embodiment is only unrestricted in order to the technical scheme that the application is described, although with reference to example, the application is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the application's technical scheme, and not breaking away from the spirit and scope of present techniques scheme, it all should be encompassed in the middle of the application's claim scope.
Claims (7)
1. a ultrasonic phase array sensitivity of tester calibration equipment, is characterized in that, comprising: sensitivity check test block, phased array probe, rotary support part and the ultrasonic phase array defectoscope of artificial saw kerf defective is carved with on the surface;
Described sensitivity check test block is placed on the top of described rotary support part;
Described phased array probe is arranged on the surface of described sensitivity check test block;
Described phased array probe is connected with described ultrasonic phase array defectoscope.
2. ultrasonic phase array sensitivity of tester calibration equipment according to claim 1, is characterized in that, described rotary supporting part divides and comprises: two rollers, two supporting seats, base and two rotation axiss;
Two described supporting seats are over against arranging and being separately fixed on described base;
Two described rotation axiss are arranged on respectively two on the described supporting seat that arranges;
Overlapping respectively a described roller on two described rotation axiss.
3. ultrasonic phase array sensitivity of tester calibration equipment according to claim 2, is characterized in that, described rotary supporting part is divided into two.
4. ultrasonic phase array sensitivity of tester calibration equipment according to claim 1, is characterized in that, also comprises voussoir;
Described phased array probe is arranged on the surface of described sensitivity check test block by described voussoir.
5. ultrasonic phase array sensitivity of tester calibration equipment according to claim 1, is characterized in that, described phased array probe is multicrystal transducer.
6. ultrasonic phase array sensitivity of tester calibration equipment according to claim 1, is characterized in that, described sensitivity check test block is for taking turns axletree.
7. ultrasonic phase array sensitivity of tester calibration equipment according to claim 6, is characterized in that, the described wheel is carved with 16 artificial saw kerf defectives to the surface, wheel seat position of axletree;
Article 16, described artificial saw kerf defective is divided into 2 groups, and the degree of depth of one group of 8 artificial saw kerf defective is 1mm, and the degree of depth of 8 artificial saw kerf defectives of another group is 0.5mm;
Two groups of artificial saw kerf defectives are distributed in respectively described front and rear surfaces both sides of taking turns the wheel seat of axletree;
The described wheel uniform 3 artificial saw kerf defectives in the tired band of outside inertia of the wheel seat crop of axletree 50mm in the wheel seat, the wheel seat back porch is to interior uniform 2 the artificial saw kerf defectives of the tired band of the inboard inertia of wheel seat 30mm, regional uniform 3 the artificial saw kerf defectives between the tired band of the tired band of outside inertia and inboard inertia;
The degree of depth be the artificial saw kerf defective of 8 of 1mm and the degree of depth be 0.5mm 8 artificial saw kerf defectives about described take turns axle axis symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664031 CN202939160U (en) | 2012-12-05 | 2012-12-05 | Ultrasonic phased array flaw detector sensitivity checking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220664031 CN202939160U (en) | 2012-12-05 | 2012-12-05 | Ultrasonic phased array flaw detector sensitivity checking device |
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| CN202939160U true CN202939160U (en) | 2013-05-15 |
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| CN 201220664031 Expired - Lifetime CN202939160U (en) | 2012-12-05 | 2012-12-05 | Ultrasonic phased array flaw detector sensitivity checking device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472140A (en) * | 2013-09-05 | 2013-12-25 | 中国科学院声学研究所 | Ultrasonic phased array imaging flaw detection intensity calibrating method |
| CN105301116A (en) * | 2015-12-01 | 2016-02-03 | 成都铁安科技有限责任公司 | Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set |
| CN105424816A (en) * | 2015-12-14 | 2016-03-23 | 华北电力科学研究院有限责任公司 | Sensitivity calibration platform for shaft type detection tools |
| CN106290584A (en) * | 2016-10-21 | 2017-01-04 | 葫芦岛北检科技有限公司 | A kind of test for phased array supersonic probe wafer effectiveness and evaluation methodology |
| CN110988124A (en) * | 2019-12-13 | 2020-04-10 | 中国航空综合技术研究所 | Phased array ultrasonic automatic detection system and method thereof |
| CN112748188A (en) * | 2020-12-29 | 2021-05-04 | 北京交通大学 | Test method for detecting fatigue crack detection capability of axle of high-speed train by ultrasonic flaw detection |
| CN113984906A (en) * | 2021-09-18 | 2022-01-28 | 中车唐山机车车辆有限公司 | Test block and phased array detection device calibration method |
| 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 |
-
2012
- 2012-12-05 CN CN 201220664031 patent/CN202939160U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472140A (en) * | 2013-09-05 | 2013-12-25 | 中国科学院声学研究所 | Ultrasonic phased array imaging flaw detection intensity calibrating method |
| CN105301116A (en) * | 2015-12-01 | 2016-02-03 | 成都铁安科技有限责任公司 | Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set |
| CN105424816A (en) * | 2015-12-14 | 2016-03-23 | 华北电力科学研究院有限责任公司 | Sensitivity calibration platform for shaft type detection tools |
| CN105424816B (en) * | 2015-12-14 | 2019-08-23 | 华北电力科学研究院有限责任公司 | A kind of sensitivity calibration platform of Shaft testing tool |
| CN106290584A (en) * | 2016-10-21 | 2017-01-04 | 葫芦岛北检科技有限公司 | A kind of test for phased array supersonic probe wafer effectiveness and evaluation methodology |
| CN110988124A (en) * | 2019-12-13 | 2020-04-10 | 中国航空综合技术研究所 | Phased array ultrasonic automatic detection system and method thereof |
| 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 |
| CN112748188A (en) * | 2020-12-29 | 2021-05-04 | 北京交通大学 | Test method for detecting fatigue crack detection capability of axle of high-speed train by ultrasonic flaw detection |
| CN113984906A (en) * | 2021-09-18 | 2022-01-28 | 中车唐山机车车辆有限公司 | Test block and phased array detection device calibration method |
| CN113984906B (en) * | 2021-09-18 | 2024-05-14 | 中车唐山机车车辆有限公司 | Test block and calibration method of phased array detection device |
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Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee after: CRRC Yangtze Co.,Ltd. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee before: CSR YANGTZE Co.,Ltd. |
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Granted publication date: 20130515 |