CN205384245U - Ultrasonic non -destructive detection device for detecting metal rod - Google Patents
Ultrasonic non -destructive detection device for detecting metal rod Download PDFInfo
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- CN205384245U CN205384245U CN201620199006.0U CN201620199006U CN205384245U CN 205384245 U CN205384245 U CN 205384245U CN 201620199006 U CN201620199006 U CN 201620199006U CN 205384245 U CN205384245 U CN 205384245U
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- voussoir
- metal bar
- detection device
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Abstract
The utility model provides an ultrasonic non -destructive detection device for detecting metal rod for detect the transverse failure defect of metal rod, it is including having the voussoir in wedge chamber and the probe of detachably sealing connection voussoir, the couplant that has the low velocity of sound and low damping is packed to the wedge intracavity, the bottom that the lower extreme of probe is located wedge intracavity and probe sets up a plurality of line array's of being oscillator component, the biggest wedge angle of voussoir is 24, the ultrasonic wave angle of incidence was not more than 50 when the voussoir set up on the metal rod. The utility model discloses can simply detect the transverse failure defect of metal rod reliably, make the probe be located lower mounting height simultaneously to easily will pop one's head in and dismantle from the voussoir.
Description
Technical field
This utility model relates to Non-destructive Testing on Metal equipment Design field, is specifically related to a kind of ultrasonic no damage detection device for detecting metal bar.
Background technology
Ultrasonic examination is one of current most widely used nondestructive means, ultrasonic examination is sectors stamp and diffraction type again, and general impulsive failure detector is mainly by ultrasound wave principle of reflection in measured workpiece, ultrasound wave is produced by piezoelectric chip resonance, and enter into transmitting refraction and reflection in measured workpiece, and according to reflection and refraction principle, before ultrasound wave enters workpiece, need certain angle of incidence, for detecting the defect situation of the transverse breakage (12 positions) of metal bar, ultrasound wave angle of incidence need to be not more than 70 °, is generally 45 °.
The ultrasound probe based on piezoelectric effect in correlation technique, adopts plastic material to do voussoir, and probe is arranged on voussoir and is integrative-structure with voussoir.Owing to plastics have the higher velocity of sound relative to glassware for drinking water, the design of the key groove of voussoir needs relatively big, so increases the installation total height of acoustic transmission path and probe, and reduces the echo amplitude of acoustical signal, reduces the reliability of detection.In addition, the bottom surface of described voussoir forms the detection faces of probe, when metal work is detected by such ultrasound probe, if the detection faces of tested metal works is relatively rough, the probe detection surface of this lucite or poly-class material of soughing is easy for abrasion, the Detection results of impact probe, shortens the life-span of probe.Due to the structure that voussoir and probe are integrated, the searching surface of voussoir weares and teares, it is necessary to change probe, but, probe wafer price is high, and probe needs integral replacing to fall, and will result in waste, makes testing cost be greatly improved.
Utility model content
For the problems referred to above, this utility model provides a kind of ultrasonic no damage detection device for detecting metal bar, with simple and reliable the transverse breakage defect detecting metal bar, makes probe be positioned at relatively low setting height(from bottom) simultaneously, and is prone to dismantle probe from voussoir.
The purpose of this utility model realizes by the following technical solutions:
Provide a kind of ultrasonic no damage detection device for detecting metal bar, for detecting the transverse breakage defect of metal bar, it includes the voussoir with wedge cavities and is removably tightly connected the probe of voussoir, being filled with the couplant of the low velocity of sound and low resistance in described wedge cavities, the lower end of described probe is positioned at the bottom of wedge cavities and probe and arranges multiple oscillator element linearly arranged；The maximum wedge angle of described voussoir is 24 °, and when described voussoir is arranged on metal bar, ultrasound wave angle of incidence is not more than 50 °.
Wherein, described voussoir is passed to the base plate of performance, cover plate by good sound and the connecting plate being connected between base plate and cover plate forms, and the inner surface of described cover plate and connecting plate is all coated with sound-absorbing material.
Wherein, described cover plate is provided with the opening for engaging probe, and the end face of cover plate is tightly connected one for installing the installing rack of probe.
Wherein, described installing rack is provided with the passage for engaging probe, and described passage is relative with described opening, is provided with rubber seal between inner surface and the probe of passage and opening.Owing to voussoir and probe are not integrated structures, the searching surface abrasion of voussoir, described probe and rubber seal can be split out.
Preferably, when described voussoir is arranged on metal bar, ultrasound wave angle of incidence is 45 °.
Preferably, described couplant is water.
The beneficial effects of the utility model are:
1, the oscillator element linearly arranged and the voussoir with wedge cavities are set, the cover plate of voussoir and the inner surface of connecting plate are all coated with sound-absorbing material, couplant is filled in wedge cavities, simplify the setting of storage tank, the maximum wedge angle making voussoir is 24 °, when described voussoir is arranged on metal bar, ultrasound wave angle of incidence is not more than 50 °, such that it is able to detect the transverse breakage defect of metal bar simple and reliablely, makes probe be positioned at relatively low setting height(from bottom) simultaneously；
2, voussoir and probe are not integrated structures, and arrange tape channel for installing the installing rack of probe, the voussoir with opening, between inner surface and the probe of passage and opening, rubber seal is set, when the searching surface of voussoir weares and teares, it is simple to described probe and rubber seal are split out.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any restriction of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is structural representation during this utility model measurement metal bar.
Accompanying drawing labelling:
Metal bar 1, probe 2, oscillator element 3, voussoir 4, connecting plate 5, base plate 6, cover plate 7, installing rack 8, rubber seal 9.
Detailed description of the invention
With the following Examples this utility model is further described.
Embodiment 1
Referring to Fig. 1, the present embodiment is for detecting the ultrasonic no damage detection device of metal bar, for detecting the transverse breakage defect of metal bar 1, it includes the voussoir 4 with wedge cavities and is removably tightly connected the probe 2 of voussoir 4, being filled with the couplant of the low velocity of sound and low resistance in described wedge cavities, the lower end of described probe 2 is positioned at the bottom of wedge cavities and probe 2 and arranges multiple oscillator element 3 linearly arranged；Owing to being filled with couplant in wedge cavities, the wedge angle of described voussoir 4 only has 18.8 °, and it is 45 ° that described voussoir 4 is arranged at ultrasound wave angle of incidence time on metal bar 1 (angle between method phase line and the velocity of sound axis of metal bar 1).
Wherein, described voussoir 4 is passed to the base plate 6 of performance, cover plate 7 by good sound and the connecting plate 5 being connected between base plate 6 and cover plate 7 forms, and the inner surface of described cover plate 7 and connecting plate 5 is all coated with sound-absorbing material.
Wherein, described cover plate 7 is provided with the opening for engaging probe 2, and the end face of cover plate 7 is tightly connected one for installing the installing rack 8 of probe 2.
Wherein, described installing rack 8 is provided with the passage for engaging probe 2, and described passage is relative with described opening, is provided with rubber seal 9 between inner surface and the probe 2 of passage and opening.
The probe of the present embodiment may be at relatively low setting height(from bottom), simplifies the setting of storage tank, enormously simplify structure.
Embodiment 2
The present embodiment is for detecting the ultrasonic no damage detection device of metal bar, for detecting the transverse breakage defect of metal bar, it includes the voussoir with wedge cavities and is removably tightly connected the probe of voussoir, being filled with the couplant of the low velocity of sound and low resistance in described wedge cavities, the lower end of described probe is positioned at the bottom of wedge cavities and probe and arranges multiple oscillator element linearly arranged；The wedge angle of described voussoir is 24 °, and when described voussoir is arranged on metal bar, ultrasound wave angle of incidence is 50 °.
Finally should be noted that; above example is only in order to illustrate the technical solution of the utility model; but not the restriction to this utility model protection domain; although having made to explain to this utility model with reference to preferred embodiment; it will be understood by those within the art that; the technical solution of the utility model can be modified or equivalent replacement, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (5)
1. the ultrasonic no damage detection device being used for detecting metal bar, for detecting the transverse breakage defect of metal bar, it is characterized in that, including with the voussoir of wedge cavities be removably tightly connected the probe of voussoir, being filled with the couplant of the low velocity of sound and low resistance in described wedge cavities, the lower end of described probe is positioned at the bottom of wedge cavities and probe and arranges multiple oscillator element linearly arranged；The maximum wedge angle of described voussoir is 24 °, and when described voussoir is arranged on metal bar, ultrasound wave angle of incidence is not more than 50 °.
2. a kind of ultrasonic no damage detection device for detecting metal bar according to claim 1, is characterized in that, when described voussoir is arranged on metal bar, ultrasound wave angle of incidence is 45 °.
3. a kind of ultrasonic no damage detection device for detecting metal bar according to claim 1, it is characterized in that, described voussoir is passed to the base plate of performance, cover plate by good sound and the connecting plate being connected between base plate and cover plate forms, and the inner surface of described cover plate and connecting plate is all coated with sound-absorbing material.
4. a kind of ultrasonic no damage detection device for detecting metal bar according to claim 3, is characterized in that, described cover plate is provided with the opening for engaging probe, and the end face of cover plate is tightly connected one for installing the installing rack of probe.
5. a kind of ultrasonic no damage detection device for detecting metal bar according to claim 4, it is characterized in that, described installing rack is provided with the passage for engaging probe, and described passage is relative with described opening, is provided with rubber seal between inner surface and the probe of passage and opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199006.0U CN205384245U (en) | 2016-03-15 | 2016-03-15 | Ultrasonic non -destructive detection device for detecting metal rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199006.0U CN205384245U (en) | 2016-03-15 | 2016-03-15 | Ultrasonic non -destructive detection device for detecting metal rod |
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| Publication Number | Publication Date |
|---|---|
| CN205384245U true CN205384245U (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620199006.0U Active CN205384245U (en) | 2016-03-15 | 2016-03-15 | Ultrasonic non -destructive detection device for detecting metal rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118090914A (en) * | 2024-04-22 | 2024-05-28 | 汕头市超声仪器研究所股份有限公司 | Wedge block for ultrasonic detection of low-sound-velocity material and preparation method thereof |
-
2016
- 2016-03-15 CN CN201620199006.0U patent/CN205384245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118090914A (en) * | 2024-04-22 | 2024-05-28 | 汕头市超声仪器研究所股份有限公司 | Wedge block for ultrasonic detection of low-sound-velocity material and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ultrasonic non-destructive detection device for detecting metal rod Effective date of registration: 20191223 Granted publication date: 20160713 Pledgee: Ningbo Tianjin Enterprise Service Co., Ltd. Pledgor: NINGBO MINGFENG INSPECTION & TESTING RESEARCH INSTITUTE CO., LTD. Registration number: Y2019330000372 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210111 Granted publication date: 20160713 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO MINGFENG INSPECTION & TESTING RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2019330000372 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |