CN105259210A - Clamping-type ultrasonic excitation device and ultrasonic infrared thermal image detection system - Google Patents
Clamping-type ultrasonic excitation device and ultrasonic infrared thermal image detection system Download PDFInfo
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- CN105259210A CN105259210A CN201510640664.9A CN201510640664A CN105259210A CN 105259210 A CN105259210 A CN 105259210A CN 201510640664 A CN201510640664 A CN 201510640664A CN 105259210 A CN105259210 A CN 105259210A
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Abstract
The invention provides a clamping-type ultrasonic excitation device and an ultrasonic infrared thermal image detection system. An ultrasonic excitation head is clamped by a three-shaft rotatable clamping mechanism, excitation of the ultrasonic excitation head on all points of a meridian on a spherical surface can be achieved by means of a first rotating shaft, rotation of the ultrasonic excitation head in a plane and horizontal rotation of the ultrasonic excitation head by matching with a base three-jaw rotating disc can be achieved by means of a second rotating shaft and a third rotating shaft, and excitation of the ultrasonic excitation head on a part at any angle in the three-dimensional space can be achieved finally. According to the clamping-type ultrasonic excitation device, the excitation effect and the accuracy are both improved, the detection requirement of the ultrasonic infrared thermal image detection system is met, the detectability of complex parts is improved, and the application range is enlarged. On one hand, by means of the ultrasonic excitation device, selection of excitation positions can be achieved, the covering surface is large, and the degree of freedom is high; on the other hand, by means of the ultrasonic excitation device, coupling stress can be continuously and stably exerted in the excitation process through machines or compressed air or electric power.
Description
Technical field
The present invention relates to ultrasonic action field, particularly relate to a kind of clipping ultrasonic action device and ultrasonic IR thermal imaging inspection system.
Background technology
Ultrasonic IR thermal imaging inspection system generally comprises ultrasonic action device, thermal infrared imager and image processing equipment.Ultrasonic action device comprises two parts again, and a part is ultrasonic generator (being also ultrasonic-frequency power supply), its function be by common AC conversion be certain power by ultrasonic frequency concussion ac signal; The driving head that another part is made up of transducer and ultrasonic transformer, its function is the mechanical vibration converting electrical signals to same frequency, and two parts are connected by wire.In ultrasonic IR thermal imaging inspection technology, by driving head, ultrasonic vibrational energy to be inputted tested part, need to provide certain coupling pressure driving head to be pressed in the energized position of tested part by certain angle.
It is hand-held that the ultrasonic action load mode generally adopted in current laboratory and industrial practice mainly contains two kinds: one class, need the position of excitation be needed by Manpower to encourage at test specimen driving head.For the ultrasonic action mode of hand-held, it is affected by human factors completely to the pressure that piece surface loads, and the experience of operator has direct relation, can not ensure the loading of uniform and continuous, cannot ensure the good coupling encouraging rifle head and piece surface.Another kind of is use fixed frame clamping driving head, and driving head direction, can only apply coupling pressure by the auxiliary pressure setup of frame top down.For fixed ultrasonic action mode, its ultrasonic action head can only move up and down, and therefore only has and just has good coupling effect to the face parallel with driving head, cannot ensure good being coupled to complex parts or with the uneven face of driving head.
Summary of the invention
For defect of the prior art, the invention provides a kind of clipping ultrasonic action device and ultrasonic IR thermal imaging inspection system, for realizing, stable pressurization coupling and IR thermal imaging inspection being carried out to complicated shape part different angles surface.
To achieve these goals, first aspect, the invention provides a kind of clipping ultrasonic action device, comprise three axle rotary type clamping devices, described three axle rotary type clamping devices comprise the first support bar, the second support bar, the 3rd support bar, top board and base;
One end of first support bar is flexibly connected with ultrasonic action head by the first rotating shaft, and the other end of the first support bar is flexibly connected with one end of the second support bar by the second rotating shaft; The other end of the second support bar is fixedly connected with top board; 3rd support bar comprises stud cylinder and upright post sleeve, one end of described stud cylinder is fixedly connected with top board, the other end of described stud cylinder is inserted in one end of described upright post sleeve, and is flexibly connected with one end of upright post sleeve described in this by the 3rd rotating shaft, and the other end of described upright post sleeve is fixedly connected with base.
Wherein, described first rotating shaft and described 3rd rotating shaft are bearing-type connection rotating shaft.
Wherein, described second rotating shaft is hinge type connection rotating shaft.
Wherein, described device also comprises three-jaw rotating disk, and described three-jaw rotating disk comprises three-jaw clamping device and rotating disk;
Described three-jaw clamping device is for clamping tested part, and described rotating disk is fixedly connected with described base.
Wherein, described device also comprises auxiliary pressure setup, and described auxiliary pressure setup is hand Screw device, blowing plant or servomotor, and the end of exerting pressure of described auxiliary pressure setup is connected with the tail end of described ultrasonic action head.
Wherein, described device also comprises ultrasonic action head clamping device, and described ultrasonic action head clamping device is used for fixing described ultrasonic action head, and is flexibly connected with described first support bar by described first rotating shaft.
Wherein, described device also comprises:
The junction of described first support bar and described ultrasonic action clamping device is provided with at least one screw, and when described ultrasonic action clamping device is fixed, this screw is locked, and when described ultrasonic action clamping device rotates, this screw unclamps;
The junction of described first support bar and described second support bar is provided with at least one screw, and when described first support bar is fixed, this screw is locked, and when described first support bar rotates, this screw unclamps;
The junction of described stud cylinder and described upright post sleeve is provided with at least one screw, and when described stud cylinder and described upright post sleeve are fixed, this screw is locked, and when described stud cylinder is rotated, or when described stud cylinder is stretched, this screw unclamps.
Wherein, described device also comprises ultrasonic generator, power supply, and described ultrasonic generator is connected with described ultrasonic action head, for the ac signal providing the concussion of coupling ultrasonic frequency to described ultrasonic action head; Described power supply is used for powering to described device.
Second aspect, the invention provides a kind of ultrasonic IR thermal imaging inspection system, described system comprises clipping ultrasonic action device, thermal infrared imager and image processing equipment, described thermal infrared imager is for obtaining the Infrared Thermogram of tested part, and described image processing equipment is used for processing described Infrared Thermogram.
As shown from the above technical solution, the invention provides a kind of clipping ultrasonic action device and ultrasonic IR thermal imaging inspection system, ultrasonic action head is by three axle rotary type gripper mechanism grips, by the first rotating shaft can realize ultrasonic action head to bar warp a certain on sphere excitation a little, the rotation planar of ultrasonic action head can be realized by the second rotating shaft, the 3rd rotating shaft, coordinate horizontally rotating of base three-jaw rotating disk, finally can realize ultrasonic action head in three dimensions and part is encouraged at any angle.Described clipping ultrasonic action device all achieves lifting on arousal effect and accuracy, meets the detection demand of ultrasonic IR thermal imaging inspection system, improves the detectability of complex parts, expands range of application.On the one hand, described ultrasonic action device can realize the selection of energized position, wide coverage, and degree of freedom is high; On the other hand, described ultrasonic action device stably can apply coupling pressure by machinery, pressurized air or electric power continuous in the process of motivation.
Accompanying drawing explanation
In order to be illustrated more clearly in disclosure embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present disclosure, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these figure.
The structural representation of the clipping ultrasonic action device that Fig. 1 provides for one embodiment of the invention;
Fig. 2 a is the first rotating shaft schematic diagram in one embodiment of the invention;
Fig. 2 b is the second rotating shaft schematic diagram in one embodiment of the invention;
Fig. 2 c is the 3rd rotating shaft schematic diagram in one embodiment of the invention;
The structural representation of the ultrasonic IR thermal imaging inspection system that Fig. 3 provides for one embodiment of the invention;
In Fig. 1,1, three-jaw rotating disk, 1a, three-jaw clamping device, 1b, rotating disk, 2, ultrasonic action head, 3, auxiliary pressure setup, 4, ultrasonic action head clamping device, 5, top board, 6, base, 7, the first support bar, the 8, second support bar, the 9, the 3rd support bar, 9a, stud cylinder, 9b, upright post sleeve, the 10, first rotating shaft, 11, the second rotating shaft, the 12, the 3rd rotating shaft.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used in and limit the scope of the invention.
Fig. 1 shows the structural representation of the clipping ultrasonic action device that one embodiment of the invention provides, as shown in Figure 1, clipping ultrasonic action device of the present invention comprises three axle rotary type clamping devices, and described three axle rotary type clamping devices comprise the first support bar 7, second support bar 8, the 3rd support bar 9, top board 5 and base 6;
One end of first support bar 7 is flexibly connected with ultrasonic action head 2 by the first rotating shaft 10, and the other end of the first support bar 7 is flexibly connected with one end of the second support bar 8 by the second rotating shaft 11; The other end of the second support bar 8 is fixedly connected with top board 5; 3rd support bar 9 comprises stud cylinder 9a and upright post sleeve 9b, one end of stud cylinder 9a is fixedly connected with top board 5, the other end of stud cylinder 9a is inserted in one end of upright post sleeve 9b, and is flexibly connected with one end of this upright post sleeve 9b by the 3rd rotating shaft 12, and the other end of upright post sleeve 9b is fixedly connected with base 6.
Be understandable that, 3rd support bar 9 is telescoping structure, be made up of stud cylinder 9a and upright post sleeve 9b, stud cylinder 9a is inserted in upright post sleeve 9b, can by the flexible change realizing the 3rd support bar 9 height, thus realize the change of ultrasonic action head 2 apart from three-jaw clamping device 1a distance, meet the ultrasonic action demand of complex parts or different size part.
Wherein, the first rotating shaft 10 and the 3rd rotating shaft 12 are bearing-type connection rotating shaft.
Be understandable that, as shown in Figure 2 a, first rotating shaft 10 adopts bearing-type connection rotating shaft, the rotation of 360 ° can be realized, thus, by the first rotating shaft 10 can realize ultrasonic action head 2 with the first support bar 7 vertical plane in carry out the rotation of 360 °, thus realize a certain bar warp on ultrasonic action head 2 pairs of spheres excitation a little.
Be understandable that, as shown in Figure 2 c, the 3rd rotating shaft 12 adopts bearing-type connection rotating shaft, can realize the rotation of 360 °, thus, by the 3rd rotating shaft 12 can realize ultrasonic action head 2 in surface level with the 3rd support bar 9 for axis carries out the rotation of 360 °.
Wherein, the second rotating shaft 11 is hinge type connection rotating shaft.
Be understandable that, as shown in Figure 2 b, the second rotating shaft 11 adopts hinge type connection rotating shaft, can realize the rotation of at least 180 °, thus, by the second rotating shaft 11 can realize ultrasonic action head 2 in vertical plane with the point of rotation of the second rotating shaft 11 for the center of circle rotates.
Wherein, clipping ultrasonic action device also comprises three-jaw rotating disk 1, and described three-jaw rotating disk 1 comprises three-jaw clamping device 1a and rotating disk 1b;
Described three-jaw clamping device 1a is for clamping tested part, and described rotating disk 1b is fixedly connected with described base 6.
Be understandable that, three-jaw rotating disk is rotating disc type three-jaw clamping device.Three-jaw clamping device 1a is for clamping tested part.Rotating disk 1b can realize single shaft 360 ° rotation, and the tested part clamped for making three-jaw clamping device 1a and the position of ultrasonic action head 2 match, thus realize complex parts Optimum Excitation position.
Further, the concrete model of three-jaw rotating disk 1 can be selected according to the size and shape of tested part.
Wherein, clipping ultrasonic action device also comprises auxiliary pressure setup 3, and described auxiliary pressure setup 3 is hand Screw device, blowing plant or servomotor, and the end of exerting pressure of auxiliary pressure setup 3 is connected with the tail end of ultrasonic action head 2.
Be understandable that, when clipping ultrasonic action device work, auxiliary pressure setup 3 stably can apply coupling pressure by machinery, pressurized air or electric power continuous, thus realize compressing certain pressure under ultrasonic action head 2 arbitrary excitation angle, the pressure number of degrees are provided by the tensimeter in auxiliary pressure setup 3.
Wherein, clipping ultrasonic action device also comprises ultrasonic action head clamping device 4, and described ultrasonic action head clamping device 4 for fixing ultrasonic action head 2, and is flexibly connected with the first support bar 7 by the first rotating shaft 10.
Wherein, clipping ultrasonic action device also comprises:
First support bar 7 is provided with at least one screw with the junction of ultrasonic action clamping device 4, and when ultrasonic action clamping device 4 is fixed, this screw is locked, and when ultrasonic action clamping device 4 rotates, this screw unclamps;
The junction of the first support bar 7 and the second support bar 8 is provided with at least one screw, and when the first support bar 7 is fixed, this screw is locked, and when the first support bar 7 rotates, this screw unclamps;
The junction of stud cylinder 9a and upright post sleeve 9b is provided with at least one screw, and when stud cylinder 9a and upright post sleeve 9b fixes, this screw is locked, and when stud cylinder 9a rotates, or when stud cylinder 9a stretches, this screw unclamps.
Be understandable that, the rotation of ultrasonic action clamping device 4, first support bar 7 and the rotation of stud cylinder 9a and/or flexible can manually or servomotor realize.Screw, for realizing the fixing of above-mentioned ultrasonic action clamping device 4, first support bar 7 and stud cylinder 9a, further, can realize fixed function parts such as bolt, rivet etc. and all can use at this.
Wherein, clipping ultrasonic action device also comprises ultrasonic generator, power supply, and ultrasonic generator is connected with ultrasonic action head 2, for the ac signal providing the concussion of coupling ultrasonic frequency to ultrasonic action head 2.Power supply is used for powering to clipping ultrasonic action device.
Be understandable that, ultrasonic action equipment comprises two parts, and a part is ultrasonic generator, for by common AC conversion being the ac signal by ultrasonic frequency concussion of certain power; The ultrasonic action head that another part is made up of transducer and ultrasonic transformer, for converting electrical signals to the mechanical vibration of same frequency, two parts are connected by wire.
In sum, the invention provides a kind of clipping ultrasonic action device, ultrasonic action head is by three axle rotary type gripper mechanism grips, by the first rotating shaft can realize ultrasonic action head to bar warp a certain on sphere excitation a little, the rotation planar of ultrasonic action head can be realized by the second rotating shaft, the 3rd rotating shaft, coordinate horizontally rotating of base three-jaw rotating disk, finally can realize ultrasonic action head in three dimensions and part is encouraged at any angle.Described clipping ultrasonic action device all achieves lifting on arousal effect and accuracy, improves the detectability of complex parts.On the one hand, described ultrasonic action device can realize the selection of energized position, wide coverage, and degree of freedom is high; On the other hand, described ultrasonic action device stably can apply coupling pressure by machinery, pressurized air or electric power continuous in the process of motivation.
Fig. 3 shows the structural representation of the ultrasonic IR thermal imaging inspection system that one embodiment of the invention provides, as shown in Figure 3, ultrasonic IR thermal imaging inspection system of the present invention comprises clipping ultrasonic action device 31, thermal infrared imager 32, image processing equipment 33, thermal infrared imager 32 is for obtaining the Infrared Thermogram of tested part, and image processing equipment 33 is for processing Infrared Thermogram.
Be understandable that, in ultrasonic IR thermal imaging inspection technology, by ultrasonic action head, ultrasonic vibrational energy will be inputted tested part, need to provide certain coupling pressure driving head to be pressed in the energized position of tested part by certain angle.For the ultrasonic infrared detection of complex parts, three dimensions can be realized and encourage extremely important at any angle to tested part.
Clipping ultrasonic action device can realize carrying out pressurization coupling to tested part surface from different perspectives, by realizing the effective excitation to complex parts different parts to the adjustment in ultrasonic action head direction and angle, meet the detection demand of ultrasonic IR thermal imaging inspection system, improve detectability, expand its range of application.
In sum, the invention provides a kind of ultrasonic IR thermal imaging inspection system, realize carrying out pressurization coupling to tested part surface from different perspectives by clipping ultrasonic action device, meet the detection demand of ultrasonic IR thermal imaging inspection system, improve the detectability of complex parts, expand range of application.
One of ordinary skill in the art will appreciate that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of the claims in the present invention.
Claims (9)
1. a clipping ultrasonic action device, is characterized in that, comprises three axle rotary type clamping devices, and described three axle rotary type clamping devices comprise the first support bar, the second support bar, the 3rd support bar, top board and base;
One end of first support bar is flexibly connected with ultrasonic action head by the first rotating shaft, and the other end of the first support bar is flexibly connected with one end of the second support bar by the second rotating shaft; The other end of the second support bar is fixedly connected with top board; 3rd support bar comprises stud cylinder and upright post sleeve, one end of described stud cylinder is fixedly connected with top board, the other end of described stud cylinder is inserted in one end of described upright post sleeve, and is flexibly connected with one end of upright post sleeve described in this by the 3rd rotating shaft, and the other end of described upright post sleeve is fixedly connected with base.
2. device as claimed in claim 1, it is characterized in that, described first rotating shaft and described 3rd rotating shaft are bearing-type connection rotating shaft.
3. device as claimed in claim 1, it is characterized in that, described second rotating shaft is hinge type connection rotating shaft.
4., as the device as described in arbitrary in claim 1-3, it is characterized in that, described device also comprises three-jaw rotating disk, and described three-jaw rotating disk comprises three-jaw clamping device and rotating disk;
Described three-jaw clamping device is for clamping tested part, and described rotating disk is fixedly connected with described base.
5. device as claimed in claim 4, it is characterized in that, described device also comprises auxiliary pressure setup, and described auxiliary pressure setup is hand Screw device, blowing plant or servomotor, and the end of exerting pressure of described auxiliary pressure setup is connected with the tail end of described ultrasonic action head.
6. device as claimed in claim 5, it is characterized in that, described device also comprises ultrasonic action head clamping device, and described ultrasonic action head clamping device is used for fixing described ultrasonic action head, and is flexibly connected with described first support bar by described first rotating shaft.
7. device as claimed in claim 6, it is characterized in that, described device also comprises:
The junction of described first support bar and described ultrasonic action clamping device is provided with at least one screw, and when described ultrasonic action clamping device is fixed, this screw is locked, and when described ultrasonic action clamping device rotates, this screw unclamps;
The junction of described first support bar and described second support bar is provided with at least one screw, and when described first support bar is fixed, this screw is locked, and when described first support bar rotates, this screw unclamps;
The junction of described stud cylinder and described upright post sleeve is provided with at least one screw, and when described stud cylinder and described upright post sleeve are fixed, this screw is locked, and when described stud cylinder is rotated, or when described stud cylinder is stretched, this screw unclamps.
8. device as claimed in claim 7, it is characterized in that, described device also comprises ultrasonic generator, power supply, and described ultrasonic generator is connected with described ultrasonic action head, for the ac signal providing the concussion of coupling ultrasonic frequency to described ultrasonic action head; Described power supply is used for powering to described device.
9. a ultrasonic IR thermal imaging inspection system, is characterized in that, comprises clipping ultrasonic action device, thermal infrared imager and image processing equipment according to any one of claim 1-8; Described thermal infrared imager is for obtaining the Infrared Thermogram of tested part, and described image processing equipment is used for processing described Infrared Thermogram.
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| CN107806948A (en) * | 2017-09-20 | 2018-03-16 | 中铝材料应用研究院有限公司 | Ultrasonic residual stress detector |
| CN107806948B (en) * | 2017-09-20 | 2020-12-01 | 中铝材料应用研究院有限公司 | Ultrasonic residual stress detector |
| CN108871401A (en) * | 2018-07-05 | 2018-11-23 | 天津市盛佳怡电子有限公司 | A kind of fixing tool for wind electricity blade detection |
| CN109175200A (en) * | 2018-07-26 | 2019-01-11 | 平湖市华兴电子有限公司 | Detection device for silver point riveting machine |
| CN109541033A (en) * | 2018-11-23 | 2019-03-29 | 中国科学院力学研究所 | Bottom of the tooth fatigue crack ultrasonic detection device |
| CN110186956A (en) * | 2019-05-17 | 2019-08-30 | 神华铁路货车运输有限责任公司 | Portable ultraphonic motivates thermal wave detection device |
| CN110161129A (en) * | 2019-05-27 | 2019-08-23 | 神华铁路货车运输有限责任公司 | Thermal wave imaging system and ultrasonic action thermal wave detection device is motivated by ultrasound |
| CN112378957A (en) * | 2020-10-29 | 2021-02-19 | 中国航发南方工业有限公司 | Ultrasonic excitation infrared thermal imaging detection system for metal component |
| CN112285161A (en) * | 2020-11-20 | 2021-01-29 | 西安热工研究院有限公司 | In-situ ultrasonic infrared thermal image detection device and method for gas turbine compressor blade |
| CN113390923A (en) * | 2021-07-23 | 2021-09-14 | 水利部交通运输部国家能源局南京水利科学研究院 | Concrete microscopic defect ultrasonic thermal excitation stroke self-adaptive loading device and method |
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