CN102590351A - Ultrasonic transducer clamp for detecting concave R region of composite material structure - Google Patents
Ultrasonic transducer clamp for detecting concave R region of composite material structure Download PDFInfo
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- CN102590351A CN102590351A CN2012100146485A CN201210014648A CN102590351A CN 102590351 A CN102590351 A CN 102590351A CN 2012100146485 A CN2012100146485 A CN 2012100146485A CN 201210014648 A CN201210014648 A CN 201210014648A CN 102590351 A CN102590351 A CN 102590351A
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Abstract
The invention belongs to a nondestructive detection technology for a composite material structure, and relates to an ultrasonic transducer clamp for detecting a concave R region of a composite material. The ultrasonic transducer clamp is characterized by consisting of a transducer mounting guide holder (3), a connecting joint (4) and a coupled water pipe (5). Through the ultrasonic transducer clamp for detecting the concave R region of the composite material structure, a transducer and the surface of the concave R region of the detected composite material can form stable position coupling in the whole axial direction and arc direction, so that stable ultrasonic detection signals are formed, the detection effect is improved, and missing detection or error judgment is avoided.
Description
Technical field
The invention belongs to the composite structure Dynamic Non-Destruction Measurement, relate to a kind of ultrasonic transducer anchor clamps that are used to detect composite structure indent Zone R.
Background technology
Along with the widespread use at industrial circles such as Aeronautics and Astronautics, civil aviaton, traffic, building, electric power such as compound substance; Many engineering structures, labyrinth based on structural designs such as compound substance and structure manufacturing constantly are applied on engineering; Because structural design or carrying are considered; Zone of transition or connecting portion at this class formation can form various how much indent Zone Rs, inaccessible zone when being Non-Destructive Testing.These indent Zone Rs play very important structure connection and load distribution and load effect in structures such as compound substance, on the engineering, requirement must be carried out Non-Destructive Testing to composite structure indent Zone R.During detection, must make incident acoustic wave can propagate into Zone R effectively, can make simultaneously incident acoustic wave around the defective that possibly exist, form enough sensitivity reflections and clear and definite or signal characteristic clearly again.For this reason; The ultrasonic oblique incidence reflectometry of main employing detects; Through selecting the incident angle of incident acoustic wave, make incident acoustic wave propagate into Zone R from non-Zone R position, the defective orientation that sound wave incident direction and Zone R possibly existed is vertical; To obtain best detection signal, carry out the differentiation and the detection of defective.At present, it is main detecting with manual contact method scanning.By testing staff's hand-held ultrasound transducer, on the one hand, make transducer select rational pivot angle along composite structure indent Zone R circular arc to be detected, radially obtain optimized incidence to make incident acoustic wave as far as possible at the indent Zone R; On the other hand, through testing staff's handheld transducer, make it to realize the axial ultrasound detection of compound substance indent Zone R along the axial scanning of compound substance indent Zone R to be detected.Because the attitude of transducer and position are fully by the hand-held Suspension Control of operating personnel; Be difficult to guarantee between transducer and the compound substance indent Zone R to be detected surface can whole axially with the circular arc direction on the stable position of formation be coupled; Thereby be difficult to guarantee that transducer forms stable ultrasound detection signal in compound substance indent Zone R to be detected; Have a strong impact on the detection effect, cause omission and erroneous judgement easily.
Summary of the invention
The objective of the invention is: a kind of ultrasonic transducer anchor clamps that are used to detect composite structure indent Zone R are provided; So that guarantee between ultrasonic transducer and the compound substance indent Zone R to be detected surface can whole axially with the circular arc direction on the stable position of formation be coupled; And then assurance forms stable ultrasound detection signal; Improve and detect effect, avoid omission and erroneous judgement.
Technical scheme of the present invention is: be used to detect the ultrasonic transducer anchor clamps of compound substance indent Zone R, it is characterized in that, it is formed by guide holder 3, jointing 4 and coupling water pipe 5 are installed; The contour shape that guide holder 3 is installed is 8 bodies; These 8 bodies have the less front bevel 3a of area and are parallel to back bevel 3b front bevel 3a, that area is bigger; These 8 bodies have two areas identical with shape, profile is side 3c hexagonal, that be parallel to each other; Front bevel 3a and back bevel 3b are perpendicular to two side 3c that guide holder 3 is installed, and the upper surface 3d of these 8 bodies is parallel to lower surface 3e, and upper surface 3d and lower surface 3e are perpendicular to side 3c; The left surface 3f of these 8 bodies is parallel to right surperficial 3g, and left surface 3f and right surperficial 3g are perpendicular to side 3c; When detecting; The left surface 3f of guide holder 3 and a side of compound substance indent Zone R to be detected are installed fits; The lower surface 3e of guide holder 3 and another side of compound substance indent Zone R to be detected are installed fit, the front bevel 3a that guide holder 3 is installed is relative with compound substance indent Zone R to be detected; The elongated slot 3h that a perforation left surface 3f and lower surface 3e are arranged on the guide holder 3 is being installed, and bottom land is parallel with back bevel 3b, and two cell walls of elongated slot 3h form two trapezoidal guide plates that are parallel to each other; Mounting hole 3i with the ultrasonic transducer 2 of the vertical perforation of back bevel 3b is arranged at the bottom land center of elongated slot 3h, the internal thread that cooperates with the external thread of ultrasonic transducer 2 is arranged in mounting hole 3i; The upper surface threaded hole that has a bottom land with elongated slot 3h to connect on the upper surface 3d of guide holder 3 is being installed, and the external thread of jointing 4 stiff ends is screwed in the upper surface threaded hole, and the link of this jointing 4 is connected with the water pipe 5 that is coupled; The right thread surface hole that has a bottom land with elongated slot 3h to connect on the right surperficial 3g of guide holder 3 is being installed, and the external thread of another jointing 4 stiff ends is screwed in the right thread surface hole, and the link of this jointing 4 is connected with the water pipe 5 that is coupled.
Advantage of the present invention is: a kind of ultrasonic transducer anchor clamps that are used to detect composite structure indent Zone R are provided; Can guarantee in ultrasonic transducer and the compound substance to be detected between the Zone R surface and can axially with on the circular arc direction form stable position and be coupled whole; And then guaranteed to form stable ultrasound detection signal; Improve the detection effect, avoided omission and erroneous judgement.
Description of drawings
Fig. 1 is an axle side structure synoptic diagram of the present invention.
Fig. 2 is the cut-open view of Fig. 1, this section through transducer 2 axis and perpendicular to the front bevel 3a that guide holder 3 is installed, and be parallel to the side 3c that guide holder 3 is installed.
Fig. 3 is the axle side structure synoptic diagram of the installation guide holder 3 among the present invention.
Embodiment
Explain further details in the face of the present invention down.Referring to Fig. 1 to Fig. 3, be used to detect the ultrasonic transducer anchor clamps of compound substance indent Zone R, it is characterized in that it is formed by guide holder 3, jointing 4 and coupling water pipe 5 are installed; The contour shape that guide holder 3 is installed is 8 bodies; These 8 bodies have the less front bevel 3a of area and are parallel to back bevel 3b front bevel 3a, that area is bigger; These 8 bodies have two areas identical with shape, profile is side 3c hexagonal, that be parallel to each other; Front bevel 3a and back bevel 3b are perpendicular to two side 3c that guide holder 3 is installed, and the upper surface 3d of these 8 bodies is parallel to lower surface 3e, and upper surface 3d and lower surface 3e are perpendicular to side 3c; The left surface 3f of these 8 bodies is parallel to right surperficial 3g, and left surface 3f and right surperficial 3g are perpendicular to side 3c; When detecting; The left surface 3f of guide holder 3 and a side of compound substance indent Zone R to be detected are installed fits; The lower surface 3e of guide holder 3 and another side of compound substance indent Zone R to be detected are installed fit, the front bevel 3a that guide holder 3 is installed is relative with compound substance indent Zone R to be detected; The elongated slot 3h that a perforation left surface 3f and lower surface 3e are arranged on the guide holder 3 is being installed, and bottom land is parallel with back bevel 3b, and two cell walls of elongated slot 3h form two trapezoidal guide plates that are parallel to each other; Mounting hole 3i with the ultrasonic transducer 2 of the vertical perforation of back bevel 3b is arranged at the bottom land center of elongated slot 3h, the internal thread that cooperates with the external thread of ultrasonic transducer 2 is arranged in mounting hole 3i; The upper surface threaded hole that has a bottom land with elongated slot 3h to connect on the upper surface 3d of guide holder 3 is being installed, and the external thread of jointing 4 stiff ends is screwed in the upper surface threaded hole, and the link of this jointing 4 is connected with the water pipe 5 that is coupled; The right thread surface hole that has a bottom land with elongated slot 3h to connect on the right side table 3g of guide holder 3 is being installed, and the external thread of another jointing 4 stiff ends is screwed in the right thread surface hole, and the link of this jointing 4 is connected with the water pipe 5 that is coupled.
Method of application of the present invention is:
At first; According to the formed angle in the composite structure to be detected adjacent two sides of 1 indent Zone R; Select for use the ultrasonic transducer that is complementary with it that guide holder 3 is installed; To guarantee when detecting, the left-handed watch 3f of guide holder 3 and a side of compound substance indent Zone R to be detected are installed fit, the lower surface 3e of guide holder 3 and another side of compound substance indent Zone R to be detected are installed fit.The method that detects is:
(1) ultrasonic transducer 2 is installed to through its external thread among the mounting hole 3i that installs in the guide holder 3, rotary ultrasonic transducer 2 makes the coupling head of ultrasonic transducer 2 contact with compound substance indent Zone R to be detected surface;
(2) the signaling interface end with ultrasonic transducer 2 links to each other with compound material ultrasound detecting instrument corresponding ports through the high-frequency signal line, FCC or the serial instrument of MUT that the compound material ultrasound instrument can select for use Beijing aviation manufacturing engineering research institute to produce;
(3) connect compound substance detecting instrument power supply, and the corresponding work parameter is set;
(4) compound substance indent Zone R to be detected surface water brush is wet, perhaps through coupling water pipe 5 connection water sources, moisture film coupling water is provided;
(5) rotate ultrasonic transducer 2,, do not influence again till ultrasonic transducer 2 level and smooth the moving until normal detection signal indication occurs at compound substance detecting instrument screen;
(6) move axially installation guide holder 3 along compound substance indent Zone R to be detected and carry out scanning.
Embodiment
The formed angle in the composite structure to be detected adjacent two sides of 1 indent Zone R is 90 °, selects following ultrasonic transducer that guide holder 3 is installed, and the left surface 3f of installation guide holder 3 is 90 ° with the angle of the lower surface 3e that guide holder 3 is installed.The instrument of the FCC-B that compound material ultrasound instrument selection Beijing aviation manufacturing engineering research institute produces.Carry out serial practical engineering application through a plurality of batches that long 3000mm～5000mm, wide 1000mm～3000mm are not waited and the actual composite structure indent Zone R of specification, obtained good actual detected effect.
Claims (1)
1. be used to detect the ultrasonic transducer anchor clamps of compound substance indent Zone R, it is characterized in that, it is formed by guide holder [3], jointing [4] and coupling water pipe [5] are installed; The contour shape that guide holder [3] is installed is 8 bodies; These 8 bodies have the less front bevel [3a] of area and are parallel to back bevel front bevel [3a], that area is bigger [3b]; These 8 bodies have two areas identical with shape, profile is side [3c] hexagonal, that be parallel to each other; Front bevel [3a] and back bevel [3b] are perpendicular to two sides [3c] that guide holder [3] is installed, and the upper surface of these 8 bodies [3d] is parallel to lower surface [3e], and upper surface [3d] and lower surface [3e] are perpendicular to side [3c]; The left surface of these 8 bodies [3f] is parallel to right surface [3g], and left surface [3f] and right surface [3g] are perpendicular to side [3c]; When detecting; The left surface [3f] of guide holder [3] is installed fits with a side of compound substance indent Zone R to be detected; The lower surface [3e] of guide holder [3] is installed is fitted with another side of compound substance indent Zone R to be detected, the front bevel [3a] that guide holder [3] is installed is relative with compound substance indent Zone R to be detected; The elongated slot [3h] that a perforation left surface [3f] and lower surface [3e] are arranged on the guide holder [3] is being installed, and bottom land is parallel with back bevel [3b], and two cell walls of elongated slot [3h] form two trapezoidal guide plates that are parallel to each other; Mounting hole [3i] with the ultrasonic transducer [2] of the vertical perforation of back bevel [3b] is arranged at the bottom land center of elongated slot [3h], the internal thread that cooperates with the external thread of ultrasonic transducer [2] is arranged in mounting hole [3i]; The upper surface threaded hole that on the upper surface [3d] that guide holder [3] is installed, has a bottom land with elongated slot [3h] to connect, the external thread of a jointing [4] stiff end is screwed in the upper surface threaded hole, and the link of this jointing [4] is connected with the water pipe [5] that is coupled; Right thread surface hole with the bottom land perforation of elongated slot [3h] is arranged installing on the right surface [3g] of guide holder [3]; The external thread of another jointing [4] stiff end is screwed in the right thread surface hole, and the link of this jointing [4] is connected with coupling water pipe [5].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201210014648 CN102590351B (en) | 2012-01-18 | 2012-01-18 | Ultrasonic transducer clamp for detecting concave R region of composite material structure |
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| CN 201210014648 CN102590351B (en) | 2012-01-18 | 2012-01-18 | Ultrasonic transducer clamp for detecting concave R region of composite material structure |
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| CN102590351A true CN102590351A (en) | 2012-07-18 |
| CN102590351B CN102590351B (en) | 2013-12-18 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102768240A (en) * | 2012-07-06 | 2012-11-07 | 中国航空工业集团公司北京航空制造工程研究所 | Ultrasonic scanning device and method for detecting R region of inner cavity of composite material structure |
| CN106501377A (en) * | 2016-09-12 | 2017-03-15 | 中国航空工业集团公司北京航空材料研究院 | A kind of method that employing ultrasonic phase array detects R corner structure flaw sizes |
| CN106680377A (en) * | 2016-12-22 | 2017-05-17 | 中航复合材料有限责任公司 | Ultrasonic array transducer for detecting rib zone of composite material structure |
| CN106932479A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of small entrance vertical vessel inwall ultrasonic inspection apparatus of nuclear power station |
| CN107014900A (en) * | 2017-03-31 | 2017-08-04 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of ultrasonic phase array detection means for composite Zone R |
| CN107144632A (en) * | 2016-03-01 | 2017-09-08 | 中国科学院金属研究所 | The defect lossless detection method of curved surface member R angular zones |
| CN110907537A (en) * | 2019-12-11 | 2020-03-24 | 江苏新扬新材料股份有限公司 | A-scanning nondestructive testing method for R area of composite culvert casing and tool medium |
| CN112051331A (en) * | 2020-09-14 | 2020-12-08 | 哈尔滨全感科技有限公司 | Ultrasonic guided wave transducer support capable of moving along axial direction of cylinder, support device and cylinder detection method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768240A (en) * | 2012-07-06 | 2012-11-07 | 中国航空工业集团公司北京航空制造工程研究所 | Ultrasonic scanning device and method for detecting R region of inner cavity of composite material structure |
| CN106932479A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of small entrance vertical vessel inwall ultrasonic inspection apparatus of nuclear power station |
| CN107144632A (en) * | 2016-03-01 | 2017-09-08 | 中国科学院金属研究所 | The defect lossless detection method of curved surface member R angular zones |
| CN107144632B (en) * | 2016-03-01 | 2020-01-03 | 中国科学院金属研究所 | Nondestructive testing method for defects of R-angle area of curved surface component |
| CN106501377A (en) * | 2016-09-12 | 2017-03-15 | 中国航空工业集团公司北京航空材料研究院 | A kind of method that employing ultrasonic phase array detects R corner structure flaw sizes |
| CN106501377B (en) * | 2016-09-12 | 2019-06-04 | 中国航空工业集团公司北京航空材料研究院 | A method of R corner structure flaw size is detected using ultrasonic phase array |
| CN106680377A (en) * | 2016-12-22 | 2017-05-17 | 中航复合材料有限责任公司 | Ultrasonic array transducer for detecting rib zone of composite material structure |
| CN106680377B (en) * | 2016-12-22 | 2019-08-20 | 中航复合材料有限责任公司 | A kind of supersonic array transducer for the detection of composite structure rib area |
| CN107014900A (en) * | 2017-03-31 | 2017-08-04 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of ultrasonic phase array detection means for composite Zone R |
| CN107014900B (en) * | 2017-03-31 | 2019-07-26 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of ultrasonic phase array detection device for composite material Zone R |
| CN110907537A (en) * | 2019-12-11 | 2020-03-24 | 江苏新扬新材料股份有限公司 | A-scanning nondestructive testing method for R area of composite culvert casing and tool medium |
| CN112051331A (en) * | 2020-09-14 | 2020-12-08 | 哈尔滨全感科技有限公司 | Ultrasonic guided wave transducer support capable of moving along axial direction of cylinder, support device and cylinder detection method |
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