CN204086225U - Diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation - Google Patents
Diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation Download PDFInfo
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- CN204086225U CN204086225U CN201420534135.1U CN201420534135U CN204086225U CN 204086225 U CN204086225 U CN 204086225U CN 201420534135 U CN201420534135 U CN 201420534135U CN 204086225 U CN204086225 U CN 204086225U
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Abstract
The utility model discloses a kind of diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation, comprise basic test block, voussoir and magnetic folder, the material of described basic test block is carbon steel, the rectangular block that described basic test block comprises fan-shaped test block and connects as one with fan-shaped test block, the central angle of described fan-shaped test block is 90 °, the circular arc side of described fan-shaped test block is carved with 0 ~ 90 ° of scale mark, described voussoir is placed on the top of basic test block, the close top being adsorbed on basic test block of described magnetic clamping, described magnetic folder comprises the bent bar shaped iron plate in end.The utility model directly can obtain probe Main beam spread angle angle, upper half-angle of spread angle and lower half-angle of spread angle, avoid computation process, effectively can reduce measuring error, improve the accuracy of characterization processes and the actual accuracy detecting data, and the stability in probe test process can be ensured.
Description
Technical field
The utility model is specifically related to a kind of diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation.
Background technology
Diffraction time difference method ultrasonic inspection probe before use, reply probe and corresponding wedge combinations carry out the test of sound field range test, determine the half-angle of spread and the lower half-angle of spread in its-12dB sound field, there is provided technical parameter for formulating on-the-spot diffraction time difference method Ultrasonic Detection technique, in Accurate Determining-12dB sound field, the half-angle of spread and the lower half-angle of spread are one of important parameters ensureing testing result.
Traditional diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation, the R100mm of V-1 type test block is selected to carry out, want first test probe scanning face to the distance h of receiving transducer central point, again according to the sound path distance R of test block, pass through formula, calculate diffusion angle θ, because need test probe Main beam spread angle angle, upper half-angle of spread angle and lower half-angle of spread angle, therefore need the acceptance point testing Main beam, the acoustic beam acceptance point of the upper half-angle of spread and the lower half-angle of spread, cause measuring numerical value so many, make calculating loaded down with trivial details, cause test error larger, and in probe fixation procedure, rely on staff pressing easily to walk, cause test process unstable.
Utility model content
The purpose of this utility model is to provide a kind of diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation that can effectively solve the problem, it directly can obtain probe Main beam spread angle angle, upper half-angle of spread angle and lower half-angle of spread angle, avoid computation process, effectively can reduce measuring error, improve the accuracy of characterization processes and the actual accuracy detecting data, and the stability in probe test process can be ensured.
The utility model solves the technical scheme that its technical matters adopts:
A kind of diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation is provided, this device comprises: basic test block, voussoir and magnetic folder, the material of described basic test block is carbon steel, described basic test block comprises the fan-shaped test block that radius is 100mm, and the rectangular block to connect as one with described fan-shaped test block, the central angle of described fan-shaped test block is 90 °, the circular arc side of described fan-shaped test block is carved with 0 ~ 90 ° of scale mark, described voussoir is placed on the top of basic test block, the inclined-plane of described voussoir offers the groove of installation testing probe, the close top being adsorbed on basic test block of described magnetic clamping, described magnetic folder comprises the bent bar shaped iron plate in end, the end of described bar shaped iron plate is arranged on the top of voussoir.
By technique scheme, described magnetic folder also comprises magnetic patch, column and drop handle, and described column is arranged on the top of magnetic patch, and described bar shaped iron plate is sleeved on column, and described drop handle to be arranged on column and to be positioned at the top of bar shaped iron plate.
The utility model, there is following beneficial effect: this device by carving angle value groove on the circular arc side of fan-shaped test block, probe test process can be made to avoid calculation procedure, simplify working routine, thus reduce probe acoustic beam spread angle measuring error, improve the accuracy of characterization processes and the actual accuracy detecting data; In addition, by adopting the mode of the clamping location survey probe header of magnetic, ensure that the stability in probe test process, drastically increasing work efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of magnetic folder;
Fig. 3 is Main beam incidence point and the Front distance test schematic diagram of test probe;
Fig. 4 is the Main beam angle measurement schematic diagram of test probe;
Fig. 5 be test probe acoustic beam on the half-angle of spread test schematic diagram;
Fig. 6 is half-angle of spread test schematic diagram under the acoustic beam of test probe.
In figure, the basic test block of 1-, the fan-shaped test block of 101-, 102-rectangular block, 2-test probe, 3-voussoir, 4-magnetic folder, 401-magnetic patch, 402-bar shaped iron plate, 403-column, 404-drop handle, 5-receiving transducer.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In preferred embodiment of the present utility model, as shown in Figure 1, a kind of diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation, this device comprises: basic test block 1, voussoir 3 and magnetic folder 4, the material of basic test block 1 is carbon steel, basic test block 1 comprises the fan-shaped test block 101 that radius is 100mm, and the rectangular block 102 to connect as one with fan-shaped test block 101, the central angle of fan-shaped test block 101 is 90 °, the circular arc side of fan-shaped test block 101 is carved with 0 ~ 90 ° of scale mark, voussoir 3 is placed on the top of basic test block 1, the inclined-plane of voussoir 3 offers the groove of installation testing probe 2, magnetic presss from both sides 4 adsorbed close above basic test block 1, magnetic folder 4 comprises the bent bar shaped iron plate 402 in end, the end of bar shaped iron plate 402 is arranged on the top of voussoir 3.
In preferred embodiment of the present utility model, as shown in Figure 2, magnetic folder 4 also comprises magnetic patch 401, column 403 and drop handle 404, and column 403 is arranged on the top of magnetic patch 401, bar shaped iron plate 402 is sleeved on column 403, and drop handle 404 to be arranged on column 403 and to be positioned at the top of bar shaped iron plate 402.
As shown in Fig. 3 ~ Fig. 6, the acoustic beam spread angle testing procedure of test probe is:
1,0 ~ 90 ° of scale mark is processed by the circular arc side of the fan-shaped test block of R100mm;
2, to install instruments and wedge combinations of popping one's head in, diffraction time difference method Ultrasonic Detection instrument used is connected, test probe 2 is installed voussoir 3, makes it to be connected on instrument " transmitting " interface, another receiving transducer 5 is not installed voussoir and is connected on instrument " reception " interface;
3, test probe 2 is put into position shown in Fig. 3, instrument is adjusted to internal loopback pattern, and movable test probe 2 finds most high reverse--bias ripple position;
4, after finding the most high reverse--bias ripple position of test probe 2, magnetic patch 401 adsorbed close of magnetic folder 4 is in basic test block, and compress voussoir 3 by the end of bar shaped iron plate 402, because the end of bar shaped iron plate 402 is bent, therefore voussoir 3 can closely be compressed, and then secure test probe 2, measure the forward position of test probe 2, and perform record;
5, the Main beam emission angle test of test probe 2 is, instrument is adjusted to a receipts pattern, receiving transducer 5 not with voussoir is put into slow evenly slip on the graduated circular arc side of band as probe receiver and finds the highest ripple position, namely the O point in Fig. 4, then conditioning instrumentation wave amplitude is to screen full-scale 80%, fixed signal receiving transducer 5, reads angle value θ
2, θ now
2be the Main beam angle of test probe 2;
On the acoustic beam of 6, test probe 2, half-angle of spread test is, 12dB is increased again after the highest wave amplitude of O point place's instrument is adjusted to screen full-scale 80%, probe receiver 5 is slowly evenly moved up along R100mm semicircle cambered surface, when wave height drops to the position of screen full-scale 80% gradually, namely the A point in Fig. 5, fixed reception probe 5, reads angle value θ
1, θ now
1be the upper half-angle of spread of test probe 2;
Under the acoustic beam of 7, test probe 2, half-angle of spread test is, probe receiver 5 is slowly evenly moved down from O point along R100mm semicircle cambered surface again, when wave height rolls back down the position of screen full-scale 80% gradually, the B point namely in Fig. 6, fixed reception probe 5, reads angle value θ
3, θ now
3be the lower half-angle of spread of test probe 2;
8, after recording the acoustic beam spread angle numerical value of test probe 2, the test job of this test probe 2 terminates.
Above-mentioned same steps is adopted to carry out the mensuration of other probe acoustic beam spread angle to be measured.
The utility model by carving angle value groove on the circular arc side of fan-shaped test block, probe test process can be made to avoid calculation procedure, simplify working routine, thus reduce probe acoustic beam spread angle measuring error, improve the accuracy of characterization processes and the actual accuracy detecting data; In addition, by adopting the mode of the clamping location survey probe header of magnetic, ensure that the stability in probe test process, drastically increasing work efficiency.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (2)
1. a diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation, it is characterized in that, this device comprises: basic test block, voussoir and magnetic folder, the material of described basic test block is carbon steel, described basic test block comprises the fan-shaped test block that radius is 100mm, and the rectangular block to connect as one with described fan-shaped test block, the central angle of described fan-shaped test block is 90 °, the circular arc side of described fan-shaped test block is carved with 0 ~ 90 ° of scale mark, described voussoir is placed on the top of basic test block, the inclined-plane of described voussoir offers the groove of installation testing probe, the close top being adsorbed on basic test block of described magnetic clamping, described magnetic folder comprises the bent bar shaped iron plate in end, the end of described bar shaped iron plate is arranged on the top of voussoir.
2. device according to claim 1, it is characterized in that, described magnetic folder also comprises magnetic patch, column and drop handle, and described column is arranged on the top of magnetic patch, described bar shaped iron plate is sleeved on column, and described drop handle to be arranged on column and to be positioned at the top of bar shaped iron plate.
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CN201420534135.1U CN204086225U (en) | 2014-09-17 | 2014-09-17 | Diffraction time difference method ultrasonic inspection probe acoustic beam spread angle proving installation |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105259259A (en) * | 2015-11-25 | 2016-01-20 | 华北电力科学研究院有限责任公司 | TOFD-12dB spread angle measuring tool and set thereof |
CN109632969A (en) * | 2019-02-22 | 2019-04-16 | 国电锅炉压力容器检验有限公司 | A kind of test device and test method of longitudinal wave probe acoustic beam angle of flare |
-
2014
- 2014-09-17 CN CN201420534135.1U patent/CN204086225U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105259259A (en) * | 2015-11-25 | 2016-01-20 | 华北电力科学研究院有限责任公司 | TOFD-12dB spread angle measuring tool and set thereof |
CN105259259B (en) * | 2015-11-25 | 2018-01-19 | 华北电力科学研究院有限责任公司 | A kind of TOFD 12dB diffusion angular measurement frocks and its external member |
CN109632969A (en) * | 2019-02-22 | 2019-04-16 | 国电锅炉压力容器检验有限公司 | A kind of test device and test method of longitudinal wave probe acoustic beam angle of flare |
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