CN202994741U - Ultrasonic wave detecting probe fixture - Google Patents
Ultrasonic wave detecting probe fixture Download PDFInfo
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- CN202994741U CN202994741U CN 201220678349 CN201220678349U CN202994741U CN 202994741 U CN202994741 U CN 202994741U CN 201220678349 CN201220678349 CN 201220678349 CN 201220678349 U CN201220678349 U CN 201220678349U CN 202994741 U CN202994741 U CN 202994741U
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- probe
- detecting probe
- chuck body
- ultrasonic detecting
- ultrasonic
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model provides an ultrasonic wave detecting probe fixture which comprises a fixture body, a probe wedge block as well as an ultrasonic wave detecting probe installed in the probe wedge block, wherein the fixture body is in a tubular structure, and is provided with a groove extending along the axis direction; the probe wedge block is embedded in the groove; and an elastic support element is arranged between the probe wedge block and the groove. The ultrasonic wave detecting probe fixture provided by the utility model is used for fixing the ultrasonic wave detecting probe through the match of the fixture body and the probe wedge block, and is simple in structure; and the probe wedge block and the fixture body are in elastic contact, thus the ultrasonic wave detecting probe fixture is high in practicability, good in stability, and is convenient to mount and dismount.
Description
Technical field
The utility model relates to a kind of nuclear power station kingbolt ultrasonic detection device, particularly relates to a kind of ultrasonic detecting probe fixture.
Background technology
Nuclear power plant reactor pressure vessel kingbolt is the securing member between reactor pressure vessel body and top cover, for a long time at High Temperature High Pressure irradiation and draw high under the alterante stress environment and work, is easy to form fatigue damage.In order to ensure the nuclear plant safety reliability service, in the kingbolt manufacture process or the power station reload when maintenance, need the reactor pressure vessel kingbolt is carried out narrow examination, therefore, ASME standard and RSEM standard all regulation kingbolt are the emphasis inspection object of nuclear power station preservice inspection and inservice inspection (making regular check on), and clear carries out Ultrasonic Detection.
Abroad develop the ultrasonic automatic checkout system of reactor pressure vessel kingbolt, adopt special-purpose probe gripper, advanced detection technique, extensive and successful be applied to nuclear power station labour before and inservice inspection.The domestic ultrasonic automatic checkout system of existing reactor pressure vessel kingbolt, the detection technique of its core, mostly by external import, especially detection probe fixture, its main coupling scheme adopt the water jet radioactive contamination diffusion that easily causes, and the detection probe clamp structure is complicated, easy-maintaining not, its detection efficiency is relatively low, therefore the exploitation of nuclear power station kingbolt ultrasonic inspection probe fixture is necessary, and the autonomous innovation of domestic reactor pressure vessel kingbolt ultrasonic detecting technology is had very large prograding.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of ultrasonic detecting probe fixture, is used for solving prior art probe gripper complex structure, not easy-to-dismount problem.
Reach for achieving the above object other relevant purposes, the utility model provides a kind of ultrasonic detecting probe fixture, comprise chuck body, probe voussoir and be arranged on the interior ultrasonic detecting probe of probe voussoir, described chuck body is a tubular structure, described chuck body is provided with the groove that extends along axis direction, described probe voussoir is embedded in described groove, and is provided with elastic supporting member for supporting optical member between described probe voussoir and groove.
Preferably, be provided with the ultrasonic detecting probe that two acoustic beams arrange in opposite directions in described probe voussoir.
Preferably, an end of described chuck body is provided with the web member with internal thread.
Preferably, the other end of described chuck body is provided with orienting sleeve.
Preferably, described probe voussoir is connected by screw with described chuck body, and described elastic supporting member for supporting optical member is located on described screw.
As mentioned above, ultrasonic detecting probe fixture of the present utility model, has following beneficial effect: adopt chuck body to match with the probe voussoir and fix ultrasonic detecting probe, simple in structure, and Elastic Contact between probe voussoir and chuck body, it is practical, good stability, easy accessibility; Two Probe arrangement novel structures, detection efficiency is high, is the effective improvement to water jet conventional bolt check probe.
Description of drawings
Fig. 1 is shown as ultrasonic detecting probe fixture schematic diagram of the present utility model.
Fig. 2 is shown as kingbolt center bore inner wall ultrasound examination constitutional diagram.
The element numbers explanation
1 chuck body
2 probe voussoirs
3 web members
4 orienting sleeves
5 screws
61,62 ultrasonic detecting probes
7 kingbolts
8 guide rods
9 ultrasonic instruments
Embodiment
Below by particular specific embodiment explanation embodiment of the present utility model, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this instructions.
See also Fig. 1 to Fig. 2.Notice, the appended graphic structure that illustrates of this instructions, ratio, size etc., equal contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, be not to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and get in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.
As shown in Figure 1, the utility model provides a kind of ultrasonic detecting probe fixture, comprise chuck body 1, probe voussoir 2 and be arranged on the interior ultrasonic detecting probe of probe voussoir 2, chuck body 1 is a tubular structure, chuck body 1 is provided with the groove that extends along axis direction, probe voussoir 2 is embedded in groove, and is provided with elastic supporting member for supporting optical member between probe voussoir 2 and groove.The utility model adopts the voussoir 2 of popping one's head in to be embedded on chuck body 1, between arranges elastic supporting member for supporting optical member, preferred spring in the present embodiment, so both guaranteed the mounting ultrasonic detection probe, the certain outward force of the voussoir of popping one's head in again can make it well be fitted on detected face, it is simple in structure, is easy to dismounting.
In the present embodiment, above-mentioned probe voussoir 2 is connected by screw 5 with chuck body 1, and elastic supporting member for supporting optical member is located on screw 5, the present embodiment elastic supporting member for supporting optical member is spring, also can be for elastomeric pad etc., and probe voussoir 2 is fixed by screw with chuck body 1, simple and convenient, more be easy to remove and install; Elastic supporting member for supporting optical member guarantees that ultrasonic detecting probe fully fits in the kingbolt center bore inner wall, guarantees that coupling is stable, signal stabilization.
For improving detection efficiency, as shown in Figure 2, be provided with the ultrasonic detecting probe 61,62 that two acoustic beams arrange in opposite directions in above-mentioned probe voussoir 2, ultrasonic detecting probe by two different directions, with satisfy standard criterion to the detection side to requirement, reduce simultaneously blind area, check end scope, strengthened the detection coverage rate, improved detection efficiency with this.
One end of above-mentioned chuck body 1 is provided with the web member 3 with internal thread, and it can be connected with guide rod 8, is threaded convenient and reliable, as shown in Figure 2, stretches into by guide rod 8 in the center pit of kingbolt 7, and its center bore inner wall is carried out ultrasound examination.The other end of above-mentioned chuck body 1 is provided with orienting sleeve 4, to guarantee the centering of probe gripper and center pit, avoid probe gripper eccentric head angle that causes in the kingbolt center pit to change, the use of orienting sleeve can also prevent effectively that probe gripper is stuck in kingbolt center pit inside, and stability, the repeatability of raising detection signal reduce the undetected probability of defective.Above-mentioned ultrasonic detecting probe is the dedicated probe of special angle (60 °), frequency (2MHz) and structure for kingbolt; Main cables in ultrasonic detecting probe and guide rod is connected by connector, and convenient probe is changed.
As shown in Figure 2, detect the kingbolt center bore inner wall for adopting ultrasonic probe fixture of the present utility model, this probe gripper is connected with guide rod 8 by web member 3, by the motion of automatic detection device, enters in the center pit of kingbolt 7.During detection, kingbolt rotate in a circumferential direction (seeing the bolt sense of rotation in Fig. 2), ultrasonic detecting probe 61,62 moves to bolt end (the guide rod direction of feed Fig. 2) bottom bolt, continuous stepping makes progress, the signal that ultrasonic detecting probe collects sends ultrasonic instrument 9 to by ultrasonic cable, ultrasonic instrument 9 shows the Ultrasonic Detection data image files of kingbolt by data imaging, thereby realizes the ultrasonic examination of kingbolt.With the data that kingbolt ultrasonic inspection probe fixture collects, after the ultrasonic instrument imaging, A, the B, the C that are kingbolt sweep image data file, and the flaw indication surplus sensitivity that ultrasonic detecting probe detects is large, and signal to noise ratio (S/N ratio) is high.
In sum, ultrasonic probe fixture of the present utility model, it is simple in structure, is easy to dismounting, and is practical, good stability; Can satisfy the Ultrasonic Detection of the nuclear power plant reactor pressure vessel kingbolt of existing heap type, can effectively detect the dark defective of 0.5mm of bolt thread district and surface, polished rod district and nearly surf zone, the flaw detection sensitivity surplus is greater than more than 30dB, and signal to noise ratio (S/N ratio) is higher than more than 20dB.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of completing under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (5)
1. ultrasonic detecting probe fixture, it is characterized in that, comprise chuck body (1), probe voussoir (2) and be arranged on the interior ultrasonic detecting probe of probe voussoir (2), described chuck body (1) is a tubular structure, described chuck body (1) is provided with the groove that extends along axis direction, described probe voussoir (2) is embedded in described groove, and is provided with elastic supporting member for supporting optical member between described probe voussoir (2) and groove.
2. ultrasonic detecting probe fixture according to claim 1, is characterized in that: be provided with the ultrasonic detecting probe (61,62) that two acoustic beams arrange in opposite directions in described probe voussoir (2).
3. ultrasonic detecting probe fixture according to claim 1, it is characterized in that: an end of described chuck body (1) is provided with the web member (3) with internal thread.
4. ultrasonic detecting probe fixture according to claim 3, it is characterized in that: the other end of described chuck body (1) is provided with orienting sleeve (4).
5. ultrasonic detecting probe fixture according to claim 1, it is characterized in that: described probe voussoir (2) is connected by screw (5) with described chuck body (1), and described elastic supporting member for supporting optical member is located on described screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220678349 CN202994741U (en) | 2012-12-11 | 2012-12-11 | Ultrasonic wave detecting probe fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220678349 CN202994741U (en) | 2012-12-11 | 2012-12-11 | Ultrasonic wave detecting probe fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994741U true CN202994741U (en) | 2013-06-12 |
Family
ID=48565911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220678349 Expired - Lifetime CN202994741U (en) | 2012-12-11 | 2012-12-11 | Ultrasonic wave detecting probe fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994741U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543211A (en) * | 2013-11-01 | 2014-01-29 | 国核电站运行服务技术有限公司 | Small-diameter tube inner wall detection probe assembly |
| CN103901112A (en) * | 2014-03-07 | 2014-07-02 | 镇江天颐装备科技有限公司 | Sensor device for detecting welding line by ultrasonic guided waves and fixing method |
| CN103926326A (en) * | 2014-04-18 | 2014-07-16 | 上汽通用五菱汽车股份有限公司 | Ultrasonic probe fixing device |
| CN106198755A (en) * | 2016-08-31 | 2016-12-07 | 北京主导时代科技有限公司 | A kind of hollow axle detection device |
| CN109030635A (en) * | 2018-04-27 | 2018-12-18 | 中广核检测技术有限公司 | A kind of probe mechanism of reactor pressure vessel kingbolt ultrasonic inspection apparatus |
| CN109828036A (en) * | 2019-03-21 | 2019-05-31 | 江苏三合声源超声波科技有限公司 | Small blind area guide sleeve |
| CN109975422A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe |
| CN110146597A (en) * | 2019-06-04 | 2019-08-20 | 国核电站运行服务技术有限公司 | Adapter tube butt weld inner wall ultrasound detection head |
| CN110320280A (en) * | 2019-07-01 | 2019-10-11 | 中航复合材料有限责任公司 | A kind of ultrasonic transducer clamp for the detection of small space composite structure |
-
2012
- 2012-12-11 CN CN 201220678349 patent/CN202994741U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543211A (en) * | 2013-11-01 | 2014-01-29 | 国核电站运行服务技术有限公司 | Small-diameter tube inner wall detection probe assembly |
| CN103901112A (en) * | 2014-03-07 | 2014-07-02 | 镇江天颐装备科技有限公司 | Sensor device for detecting welding line by ultrasonic guided waves and fixing method |
| CN103901112B (en) * | 2014-03-07 | 2016-06-29 | 镇江天颐装备科技有限公司 | The sensor device of ultrasonic guided wave detecting weld seam and fixing means |
| CN103926326A (en) * | 2014-04-18 | 2014-07-16 | 上汽通用五菱汽车股份有限公司 | Ultrasonic probe fixing device |
| CN106198755B (en) * | 2016-08-31 | 2023-05-19 | 北京主导时代科技有限公司 | Hollow shaft detection device |
| CN106198755A (en) * | 2016-08-31 | 2016-12-07 | 北京主导时代科技有限公司 | A kind of hollow axle detection device |
| CN109975422A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe |
| CN109030635A (en) * | 2018-04-27 | 2018-12-18 | 中广核检测技术有限公司 | A kind of probe mechanism of reactor pressure vessel kingbolt ultrasonic inspection apparatus |
| CN109828036A (en) * | 2019-03-21 | 2019-05-31 | 江苏三合声源超声波科技有限公司 | Small blind area guide sleeve |
| CN109828036B (en) * | 2019-03-21 | 2024-04-05 | 江苏三合声源超声波科技有限公司 | Guide sleeve with small blind area |
| CN110146597A (en) * | 2019-06-04 | 2019-08-20 | 国核电站运行服务技术有限公司 | Adapter tube butt weld inner wall ultrasound detection head |
| CN110320280A (en) * | 2019-07-01 | 2019-10-11 | 中航复合材料有限责任公司 | A kind of ultrasonic transducer clamp for the detection of small space composite structure |
| CN110320280B (en) * | 2019-07-01 | 2021-10-15 | 中航复合材料有限责任公司 | Ultrasonic transducer clamp for detecting composite material structure in narrow space |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |