CN109975422A - A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe - Google Patents
A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe Download PDFInfo
- Publication number
- CN109975422A CN109975422A CN201711497533.5A CN201711497533A CN109975422A CN 109975422 A CN109975422 A CN 109975422A CN 201711497533 A CN201711497533 A CN 201711497533A CN 109975422 A CN109975422 A CN 109975422A
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- probe
- contact block
- pressure vessel
- ultrasonic probe
- spring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to ultrasonic detecting technology fields, and in particular to a kind of reactor pressure vessel bolt inner wall contact ultrasonic probe.Probe of the present invention includes fast plug-in cable joint, whorl brace rod, probing shell, spring eye, probe chip, spring, adaptive contact block equilibrium contact block；This structure uses the ultrasonic probe design method of inner wall contact, and joined balance weight in the two sides of probe, improves the stability and flexibility of detection, and can carry out going deep into detection according to the requirement of volume inspection and the size replacement detection probe of internal diameter；Whorl brace rod can decrease in the gap of pushing ram, and the probe for being is more stable during the motion；The connection of probe and cable uses push-in design, convenient for replacing in work to probe, improves working efficiency.
Description
Technical field
The invention belongs to ultrasonic detecting technology fields, and in particular to a kind of reactor pressure vessel bolt inner wall contact is super
Sonic probe.
Background technique
According to ASME standardize related request, the reactor pressure vessel bolt of nuclear power unit should be used as a servant before with in-service inspection
It looks into, test range includes the inward-facing 6.4mm of appearance.
Reactor pressure vessel bolt and main equipment bolt-center hole internal diameter are 28mm；
Specification is M177.5mm.Pressure vessel bolt arrangement schematic diagram is shown in Fig. 1.
It by specification, needs to implement volume inspection to the inward-facing region 6mm of pressure vessel bolt appearance, generally ultrasound inspection
It looks into, as shown in figure 1 range shown in dotted line frame.
Probe is the core element of pressure vessel bolt ultrasound automatic test system, due to the length and centre bore of bolt
Size limitation, for mechanical device during promoting probe movement, the acquisition signal for guaranteeing that probe can be stable is inspection quality
Key.
Summary of the invention
The purpose of the present invention is being directed to the demand of reactor pressure vessel bolt ultrasonic examination, a kind of reactor pressure is provided
Container bolt inner wall contact ultrasonic probe, meets the requirement of reactor pressure vessel bolt-center hole scanning.
Technical scheme is as follows:
A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe, including fast plug-in cable joint, whorl brace rod,
Probing shell, spring eye, probe chip, spring, adaptive contact block and balance contact block；
The fast plug-in cable joint, whorl brace rod are located at the end of probing shell, and probe chip, which is embedded in, adaptively to be connect
Ultrasonic probe is used as inside contact block, adaptive contact block, equilibrium contact block and spring are placed in inside probing shell；Adaptively
Contact block, equilibrium contact block are distributed in the two sides inside probing shell, setting among adaptive contact block, equilibrium contact block the two
There is spring；
The whorl brace rod is hollow structure, and fast plug-in cable joint is embedded in inside the hollow structure of whorl brace rod,
Fast plug-in cable joint passes through the ultrasonic signal that cable connection is emitted to chip of popping one's head in, receiving transducer chip.
A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe, the cable are placed on inside probing shell and set
The special line slot set.
A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe, the adaptive contact block, equilibrium contact block
It is provided with corresponding spring eye, spring is placed in spring eye.
A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe, the probing shell are internally provided with two bullets
Spring.
The beneficial effects of the present invention are:
1) this structure uses the ultrasonic probe design method of inner wall contact, and joined balance weight in the two sides of probe,
The stability and flexibility of detection are improved, and can be carried out according to the requirement of volume inspection and the size replacement detection probe of internal diameter
Deeply detection；
2) whorl brace rod can decrease in the gap of pushing ram, so that probe is more stable during the motion；
3) connection popped one's head in cable uses push-in design, convenient for replacing in work to probe, improves work effect
Rate.
Detailed description of the invention
Fig. 1 is a kind of reactor pressure vessel bolt inner wall contact ultrasonic probe schematic diagram of the present invention.
In figure: 1, fast plug-in cable joint；2, whorl brace rod；3, probing shell；4, spring eye；5, probe chip；6, bullet
Spring；7, adaptive contact block；8, equilibrium contact block.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe is hereinafter referred to as: this structure is as shown in the figure.
Ultrasonic probe includes fast plug-in cable joint 1, whorl brace rod 2, probing shell 3, spring eye 4, probe chip 5, bullet
Spring 6,7 equilibrium contact block 8 of adaptive contact block.Whorl brace rod 2 is hollow structure, and fast plug-in cable joint 1 is embedded in screw thread company
Inside the hollow structure of extension bar 2, fast plug-in cable joint 1 by cable connection to probe chip 5, launch by receiving transducer chip 5
The ultrasonic signal come, the cable is placed on the special line slot being arranged inside probing shell 3, in case cable is adaptively connect
The influence generated when contact block 7 and movable parallel contact block 8.
Fast plug-in cable joint 1, whorl brace rod 2 are located at the end of probing shell 3, and probe chip 5, which is embedded in, adaptively to be connect
Ultrasonic probe is used as inside contact block 7, adaptive contact block 7, equilibrium contact block 8 and two springs 6 are placed in probing shell 3
Portion；Adaptive contact block 7, equilibrium contact block 8 are distributed in the two sides inside probing shell 3, adaptive contact block 7, equilibrium contact
Spring 6 is provided among 8 the two of block；Adaptive contact block 7, equilibrium contact block 8 are provided with corresponding spring eye 4, and spring 6 is put
It is placed in spring eye 4.
When carrying out ultrasonic listening, adaptive contact block 7 and balance contact block 8 are tightly attached to spiral shell by the effect of spring 6
Bolt inner wall, and adaptive contact block 7 and balance contact block can be also adjusted by spring 6 when detection encounters the contact surface of out-of-flatness
8 interaction, guarantee probe are fitted closely with inner wall.
Claims (4)
1. a kind of reactor pressure vessel bolt inner wall contact ultrasonic probe, including fast plug-in cable joint (1), whorl brace rod
(2), probing shell (3), spring eye (4), probe chip (5), spring (6), adaptive contact block (7) equilibrium contact block (8)；
It is characterized by: the fast plug-in cable joint (1), whorl brace rod (2) are located at the end of probing shell (3), probe is brilliant
Piece (5) is embedded in inside adaptive contact block (7) as ultrasonic probe, adaptive contact block (7), equilibrium contact block (8) and
It is internal that spring (6) is placed in probing shell (3)；Adaptive contact block (7), equilibrium contact block (8) are distributed in probing shell (3)
The two sides in portion are provided with spring (6) among adaptive contact block (7), equilibrium contact block (8) the two；
The whorl brace rod (2) is hollow structure, and fast plug-in cable joint (1) is embedded in the hollow structure of whorl brace rod (2)
Inside, fast plug-in cable joint (1) by cable connection to chip of popping one's head in (5), believe by the ultrasound that receiving transducer chip (5) emits
Number.
2. a kind of reactor pressure vessel bolt inner wall contact ultrasonic probe as described in claim 1, it is characterised in that: institute
It states cable and is placed on the special line slot being arranged inside probing shell (3).
3. a kind of reactor pressure vessel bolt inner wall contact ultrasonic probe as described in claim 1, it is characterised in that: institute
State adaptive contact block (7), equilibrium contact block (8) is provided with corresponding spring eye (4), spring (6) is placed in spring eye (4)
It is interior.
4. a kind of reactor pressure vessel bolt inner wall contact ultrasonic probe as described in claim 1, it is characterised in that: institute
It states probing shell (3) and is internally provided with two springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497533.5A CN109975422A (en) | 2017-12-27 | 2017-12-27 | A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497533.5A CN109975422A (en) | 2017-12-27 | 2017-12-27 | A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109975422A true CN109975422A (en) | 2019-07-05 |
Family
ID=67075671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711497533.5A Pending CN109975422A (en) | 2017-12-27 | 2017-12-27 | A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109975422A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521688A (en) * | 2020-05-29 | 2020-08-11 | 鞍钢股份有限公司 | Square steel combination formula probe landing gear |
| CN112710737A (en) * | 2020-12-29 | 2021-04-27 | 国网山东省电力公司蒙阴县供电公司 | Device for pre-detecting aging degree of cable before laying |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293771Y (en) * | 2008-12-04 | 2009-08-19 | 东北电力科学研究院有限公司 | Ultrasonic inspection lossless detection special equipment for bolt inner bore |
| CN201378437Y (en) * | 2008-12-31 | 2010-01-06 | 中核武汉核电运行技术股份有限公司 | Clamping and holding device for main nut eddy current check probe of nuclear pressure vessel |
| KR101136752B1 (en) * | 2010-12-07 | 2012-04-19 | 두산중공업 주식회사 | Ultrasonic testing apparatus for steam generator tube |
| CN202994741U (en) * | 2012-12-11 | 2013-06-12 | 国核电站运行服务技术有限公司 | Ultrasonic wave detecting probe fixture |
| CN207717706U (en) * | 2017-12-27 | 2018-08-10 | 核动力运行研究所 | A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe |
-
2017
- 2017-12-27 CN CN201711497533.5A patent/CN109975422A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293771Y (en) * | 2008-12-04 | 2009-08-19 | 东北电力科学研究院有限公司 | Ultrasonic inspection lossless detection special equipment for bolt inner bore |
| CN201378437Y (en) * | 2008-12-31 | 2010-01-06 | 中核武汉核电运行技术股份有限公司 | Clamping and holding device for main nut eddy current check probe of nuclear pressure vessel |
| KR101136752B1 (en) * | 2010-12-07 | 2012-04-19 | 두산중공업 주식회사 | Ultrasonic testing apparatus for steam generator tube |
| CN202994741U (en) * | 2012-12-11 | 2013-06-12 | 国核电站运行服务技术有限公司 | Ultrasonic wave detecting probe fixture |
| CN207717706U (en) * | 2017-12-27 | 2018-08-10 | 核动力运行研究所 | A kind of reactor pressure vessel bolt inner wall contact ultrasonic probe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521688A (en) * | 2020-05-29 | 2020-08-11 | 鞍钢股份有限公司 | Square steel combination formula probe landing gear |
| CN112710737A (en) * | 2020-12-29 | 2021-04-27 | 国网山东省电力公司蒙阴县供电公司 | Device for pre-detecting aging degree of cable before laying |
| CN112710737B (en) * | 2020-12-29 | 2022-05-17 | 国网山东省电力公司蒙阴县供电公司 | Device for pre-detecting aging degree of cable before laying |
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