CN104374833A - Ultrasonic probe sector-scanning device - Google Patents
Ultrasonic probe sector-scanning device Download PDFInfo
- Publication number
- CN104374833A CN104374833A CN201410700526.0A CN201410700526A CN104374833A CN 104374833 A CN104374833 A CN 104374833A CN 201410700526 A CN201410700526 A CN 201410700526A CN 104374833 A CN104374833 A CN 104374833A
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- Prior art keywords
- ultrasonic probe
- voussoir
- reflecting plate
- installation shaft
- reflector
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses an ultrasonic probe sector-scanning device. The ultrasonic probe sector-scanning device is characterized by comprising a reflector mounting shaft, a wedge and an ultrasonic probe; a reflector is embedded in the reflector mounting shaft; one end of the reflector is connected with a drive device which drives the reflector to rotate; the wedge is provided with an oblique face onto which a workpiece is attached; the wedge is internally provided with a mounting hole in which the reflector mounting shaft is embedded; the ultrasonic probe is fixed on the wedge; the emitting end of the ultrasonic probe faces the reflector arranged in the reflector mounting shaft. A gap between the inner wall of the mounting hole and the reflector mounting shaft is filled with coupling agent. The reflector rotates to reflect acoustic wave to the surface of the workpiece, thus detecting a specific-area part of the workpiece; the defect that the moving probe fails to well fit the workpiece is overcome. The ultrasonic probe sector-scanning device is especially applicable to detecting complex workpieces; the ultrasonic probe sector-scanning device is novel in structural design, simple, low in manufacturing cost, convenient to operate and suitable for popularization and application.
Description
Technical field
The invention belongs to mechanical skilled worker and manufacture field, be specifically related to a kind of ultrasonic detection equipment for workpiece flaw detection.
Background technology
In the Ultrasonic Detection process of workpiece, conventional transducer can only launch the row wave beam suitable with probe wafer size, be the sensing range of this probe, when needs detect large-area workpiece, probe needs to move around on workpiece to reach the sensing range of defined.When workpiece surface quality is poor or have shaped face time, probe often cannot form good coupling with workpiece in the process of movement, and therefore the Ultrasonic Detection of a lot of workpiece is restricted.
Summary of the invention
For problems of the prior art, technical purpose of the present invention is to provide a kind of when popping one's head in motionless, can complete a kind of ultrasonic probe fan sweeping device to the scanning of workpiece large area.
For realizing above-mentioned technical purpose, technical scheme provided by the invention is:
A kind of ultrasonic probe fan sweeping device, is characterized in that, comprising:
Reflecting plate installation shaft, inside is embedded with a reflecting plate, and one end is connected with its driving arrangement rotated of drive;
Voussoir, is provided with the inclined-plane that is placed with workpiece, and voussoir inside is provided with the mounting hole embedding described reflecting plate installation shaft;
Ultrasonic probe, is fixed on described voussoir, and its transmitting terminal is towards the reflecting plate in described reflecting plate installation shaft;
In said structure, the gap-fill between the inwall of described mounting hole and reflecting plate installation shaft has couplant.
During fan sweeping device work of the present invention, workpiece is close to voussoir inclined-plane and places, control reflecting plate installation shaft rotate by driving arrangement, thus drive reflecting plate to turn over certain angle, acoustic reflection ultrasonic probe being transmitted into voussoir, to surface of the work, detects.In the process that reflecting plate rotates, ultrasound wave can form a fan-shaped scanning zone according to the change of angle.
The material of described voussoir, reflecting plate installation shaft should be consistent, preferably, can adopt pmma material.
The axle center of described reflecting plate installation shaft is just to the transmitting terminal of ultrasonic probe.On this basis, voussoir inclined-plane and voussoir ultrasonic probe is installed side between angle preferably control at 45 ° ~ 50 °.
The side of described voussoir is provided with the couplant filler opening being communicated to described mounting hole, and is furnished with the plug sealing described filler opening.
Described reflecting plate installation shaft is made up of the cylinder connection that multistage is coaxial, comprise the main part embedding described reflecting plate and the support axostylus axostyle being connected to described main part upper/lower terminal, described support axostylus axostyle is socketed with rolling bearing, and the outer ring of described rolling bearing is fixed on voussoir by bearing (ball) cover.
The cavity volume snapping in described ultrasonic probe is left in the side of described voussoir, and described ultrasonic probe is by fixed head and be bolted on described voussoir, for convenience detach.
Beneficial effect of the present invention:
1) in the fixed situation of ultrasonic probe, can carry out large-area scanning, be particularly useful for the workpiece of labyrinth to workpiece, overcoming in mobile probe process probe and workpiece can not the situation of good coupling;
2) structure such as reflecting plate installation shaft, probe can be dismantled from voussoir, is convenient for changing, keeps in repair and cleans;
3) there is waveform transformation in the communication process of sound wave, increase the sensing range of probe;
4) novel in structural design, simple and easy, easy to operate and be easy to manufacture, be applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is horizontal section structural representation of the present invention;
Fig. 2 is longitudinal profile structural representation of the present invention;
In upper figure, 1 voussoir, 2 reflecting plates, 3 reflecting plate installation shaft, 4 oil sealing plugs, 5 ultrasonic probes, 6 probe fixed heads, 7 bearing (ball) covers, 8 O-ring seals, 9 O-ring seals, 10 bearing (ball) covers, 11 rolling bearings, 12 O-ring seals, 13 inclined-planes, 14 sides.
Embodiment
In order to illustrate design proposal of the present invention and technique effect, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
Shown in embodiment as shown in Figure 1, Figure 2, a kind of ultrasonic probe fan sweeping device, comprises following composition component:
1) organic glass voussoir 1;
Transverse sectional view as shown in Figure 1, described organic glass voussoir 1 xsect is trapezoidal, is provided with the inclined-plane 13 that is placed with workpiece, and voussoir 1 inside is provided with the mounting hole embedding described reflecting plate installation shaft 3, described mounting hole inner wall smooth.
2) reflecting plate installation shaft 3;
Described reflecting plate installation shaft 3 is identical with voussoir 1 material, is organic glass, and its axis body inside is embedded with a reflecting plate 2.
Described reflecting plate installation shaft 3 is by the coaxial cylinder connection of multistage and one-body moldedly form, mainly comprise the cylindrical body portion embedding described reflecting plate 2 and the support axostylus axostyle being connected to described main part upper/lower terminal, described support axostylus axostyle is all socketed in rolling bearing 11, the rolling bearing of upper end is fixed on voussoir 1 by bearing (ball) cover 7, and lower end rolling bearing is fixed by bearing (ball) cover 10.Described bearing (ball) cover 7 is provided with O-ring seal 12 with the surface of contact of voussoir 1, and bearing (ball) cover 10 is provided with O-ring seal 8 with the surface of contact of voussoir 1, and lower end supports between axostylus axostyle and bearing (ball) cover 10 and is provided with O-ring seal 9, to ensure that the coupling oil of voussoir 1 inside can not seepage.
The support axostylus axostyle of lower end stretches out voussoir 1, is connected with rotated stepwise motor, the angle at every turn turned over by Electric Machine Control reflecting plate.
3) ultrasonic probe 5;
Described ultrasonic probe 5 is fixed on the side 14 adjacent with voussoir inclined-plane 13, for launching ultrasound wave and receiving echo, the cavity volume snapping in described ultrasonic probe 5 is left in described side 14, and described ultrasonic probe 5 is by probe fixed head 6 and be bolted on described voussoir 1.
Reflecting plate installation shaft 3 is arranged on the dead ahead of ultrasonic probe 5, and described inclined-plane 13 preferably controls at 45 ° ~ about 50 ° with the angle of side 14.
In said structure, shape and reflecting plate installation shaft 3 shape of described mounting hole are agreed with, and make reflecting plate installation shaft 3 can flexible rotating in voussoir 1, and sound wave can transmission completely.The side of described voussoir 1 is also provided with the couplant filler opening being communicated to described mounting hole, and can be coupled to the gap-fill between mounting hole inwall with reflecting plate installation shaft 3 wall oil, deaeration, and be furnished with the oil sealing plug 4 sealing described filler opening.Oil sealing plug 4 is connected with voussoir 1 by bolt, for convenience detach.
In the present invention, organic glass voussoir 1 is the installation main body of whole invention, reflecting plate 2 is embedded in reflecting plate installation shaft 3, reflecting plate 2 differs larger with the acoustic impedance of reflecting plate installation shaft 3, the sound wave that ultrasonic probe is launched reaches on reflecting plate 2 through voussoir 1 and reflects, reflective sound wave is passed to through voussoir 1 on the workpiece to be detected on voussoir inclined-plane 13, detects.When reflecting plate installation shaft 3 is rotated, sound wave can be given and form a fan-shaped scanning zone according to the change of reflecting plate angle, efficiently solves problem bad with the workpiece degree of coupling in the difficult and probe moving process of complex part flaw detection.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand, the present invention is not restricted to the described embodiments, what describe in above-described embodiment and instructions just illustrates principle of the present invention, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications.Application claims protection domain is defined by appending claims, instructions and equivalent thereof.
Claims (7)
1. a ultrasonic probe fan sweeping device, is characterized in that, comprising:
Reflecting plate installation shaft (3), inside is embedded with a reflecting plate (2), and one end is connected with its driving arrangement rotated of drive;
Voussoir (1), is provided with the inclined-plane (13) that is placed with workpiece, and voussoir inside is provided with the mounting hole embedding described reflecting plate installation shaft;
Ultrasonic probe (5), is fixed on described voussoir (1), and its transmitting terminal is towards the reflecting plate (2) in described reflecting plate installation shaft (3);
In said structure, the gap-fill between the inwall of described mounting hole and reflecting plate installation shaft (3) has couplant.
2. a kind of ultrasonic probe fan sweeping device according to claim 1, is characterized in that:
Described voussoir (1), reflecting plate installation shaft (3) are pmma material.
3. a kind of ultrasonic probe fan sweeping device according to claim 1 and 2, is characterized in that:
The axle center of described reflecting plate installation shaft (3) is just to the transmitting terminal of ultrasonic probe (5).
4. a kind of ultrasonic probe fan sweeping device according to claim 3, is characterized in that:
Angle between the side (14) that voussoir inclined-plane (13) and voussoir install ultrasonic probe is 45 ° ~ 50 °.
5. a kind of ultrasonic probe fan sweeping device according to claim 1 and 2, is characterized in that:
The side of described voussoir (1) is provided with the couplant filler opening being communicated to described mounting hole, and is furnished with the plug sealing described filler opening.
6. a kind of ultrasonic probe fan sweeping device according to claim 1 and 2, is characterized in that:
Described reflecting plate installation shaft (3) is made up of the cylinder connection that multistage is coaxial, comprise the main part embedding described reflecting plate (2) and the support axostylus axostyle being connected to described main part upper/lower terminal, described support axostylus axostyle is socketed with rolling bearing, and the outer ring of described rolling bearing is fixed on voussoir (1) by bearing (ball) cover.
7. a kind of ultrasonic probe fan sweeping device according to claim 1 and 2, is characterized in that:
The cavity volume snapping in described ultrasonic probe (5) is left in the side (14) of described voussoir (1), and described ultrasonic probe (5) is by probe fixed head (6) and be bolted on described voussoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700526.0A CN104374833A (en) | 2014-11-28 | 2014-11-28 | Ultrasonic probe sector-scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700526.0A CN104374833A (en) | 2014-11-28 | 2014-11-28 | Ultrasonic probe sector-scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104374833A true CN104374833A (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410700526.0A Pending CN104374833A (en) | 2014-11-28 | 2014-11-28 | Ultrasonic probe sector-scanning device |
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| CN (1) | CN104374833A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3115313A1 (en) * | 1979-10-16 | 1982-11-11 | Siemens AG, 1000 Berlin und 8000 München | Ultrasonic device for sector scanning |
| CN87207131U (en) * | 1987-06-03 | 1988-02-03 | 上海交通大学 | Probe of scanning ultrasonic diagnostic apparatus |
| JPH0643142A (en) * | 1992-01-14 | 1994-02-18 | Matsushita Electric Ind Co Ltd | Rotational/straight biaxial scanning device |
| JPH0723955A (en) * | 1993-07-07 | 1995-01-27 | Toshiba Corp | Ultrasonic probe and ultrasonographic device |
| CN103278114A (en) * | 2013-06-07 | 2013-09-04 | 南通友联数码技术开发有限公司 | Ultrasonic pipe wall thickness measuring device |
| CN103537423A (en) * | 2013-10-11 | 2014-01-29 | 新疆通奥油田技术服务有限公司 | Phased-array transduction device and device and method for detecting of petroleum drill collar threads |
| CN204241429U (en) * | 2014-11-28 | 2015-04-01 | 南通友联数码技术开发有限公司 | A kind of ultrasonic probe fan sweeping device |
-
2014
- 2014-11-28 CN CN201410700526.0A patent/CN104374833A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3115313A1 (en) * | 1979-10-16 | 1982-11-11 | Siemens AG, 1000 Berlin und 8000 München | Ultrasonic device for sector scanning |
| CN87207131U (en) * | 1987-06-03 | 1988-02-03 | 上海交通大学 | Probe of scanning ultrasonic diagnostic apparatus |
| JPH0643142A (en) * | 1992-01-14 | 1994-02-18 | Matsushita Electric Ind Co Ltd | Rotational/straight biaxial scanning device |
| JPH0723955A (en) * | 1993-07-07 | 1995-01-27 | Toshiba Corp | Ultrasonic probe and ultrasonographic device |
| CN103278114A (en) * | 2013-06-07 | 2013-09-04 | 南通友联数码技术开发有限公司 | Ultrasonic pipe wall thickness measuring device |
| CN103537423A (en) * | 2013-10-11 | 2014-01-29 | 新疆通奥油田技术服务有限公司 | Phased-array transduction device and device and method for detecting of petroleum drill collar threads |
| CN204241429U (en) * | 2014-11-28 | 2015-04-01 | 南通友联数码技术开发有限公司 | A kind of ultrasonic probe fan sweeping device |
Non-Patent Citations (1)
| Title |
|---|
| 周正干 等: "复合材料层压板钻孔分层激光超声检测方法", 《机械工程学报》 * |
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Application publication date: 20150225 |
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