CN106595494A - Imager detection and fixation device for grillage bands of fuel assembly - Google Patents
Imager detection and fixation device for grillage bands of fuel assembly Download PDFInfo
- Publication number
- CN106595494A CN106595494A CN201611199399.6A CN201611199399A CN106595494A CN 106595494 A CN106595494 A CN 106595494A CN 201611199399 A CN201611199399 A CN 201611199399A CN 106595494 A CN106595494 A CN 106595494A
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- China
- Prior art keywords
- screwed hole
- arrangement
- base plate
- fuel assembly
- type
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention, which relates to the technical field of dimension detection, particularly discloses an imager detection and fixation device for grillage bands of a fuel assembly. The device is composed of a base plate, magnetic suction supports, magnetic suction pressing pieces and threaded holes. The threaded holes are formed in the base plate; the magnetic suction supports are fixed at the base plate by being screwed into the threaded holes; and the magnetic suction pressing pieces are arranged above the magnetic suction supports. To-be-detected bands are clamped between the magnetic suction pressing pieces and the magnetic suction supports. According to the device provided by the invention, 66 kinds of fuel assembly grillage bands can be clamped stably in a compatible manner and thus rapid dimension detection can be realized by using an optical dimension detection device. Moreover, line transmission of optical equipment is not affected and the application range is wide.
Description
Technical field
The invention belongs to size detection technical field, and in particular to a kind of fuel assembly screen work band image instrument detection is fixed
Device.
Background technology
Because of the block of the National Technicals such as the U.S., France, the manufacture of third generation compressed water reactor nuclear power fuel assembly screen work band and detection
It is domestic for the first time for the research of such product, and can uses for reference without any method.In fuel assembly, screen work is most important portion
Part, and band is exactly the most basic unit for constituting screen work, each screen work is by 32 interior bands and 4 interspersed welding of outer band
Into.
The sheet metal thickness of nuclear power fuel component screen work band is 0.2mm to 0.6mm, and width has 5 types, from 25mm
To 75mm, all 214mm of length, every kind of take arrange that about 17 just convex in diverse location, 17 springs, 17 stir
Muddy wing bending, 17 guide vane bendings, spacing is 12mm, altogether 66 kinds of bands.For the situation, needs manufacture and design a kind of logical
With fixing device, compatible 66 kinds of bands can be clamped, to ensure to carry out size automatic measuring on image instrument.
There is natural torsion after punching in nuclear power fuel component screen work band, at the same different directions, angle punching it is firm it is convex,
Spring, to stir and make muddy the wing and guide vane etc. raised or sunken, causes nuclear power fuel component screen work band steadily to place, also cannot be accurate
Really detection, therefore a kind of screen work band test fixture of design is needed badly steadily to clamp the band of different model.
The content of the invention
It is an object of the invention to provide a kind of fuel assembly screen work band image instrument test fixture, enables band
Smoothly clamp on the securing means, and then size detection is carried out using optical dimensions testing equipment, and do not affect optical device
Light is transmitted, and quickly and accurately completes the size detection of band.
Technical scheme is as follows：
A kind of fuel assembly screen work band image instrument test fixture, for fixed strip band size detection is carried out, and it is special
Levy and be：Including base plate, magnetic support, magnetic tabletting and screwed hole；
Described base plate is rectangular shape, and the length span of base plate is 440-460mm, and width span is
220-240mm, Thickness scope is 15-25mm；
Screwed hole is opened up on described base plate, the axis of screwed hole is vertical with the upper surface of base plate；
Described magnetic is supported and is fixed on base plate by screwing in screwed hole, the top that magnetic tabletting is supported located at magnetic,
Band to be detected is clamped between magnetic tabletting and magnetic are supported；
Described screwed hole has five kinds of different width type of arrangement, including class located at the center of base plate, screwed hole
Type I, Type II, type III, Type IV and type V, are respectively used to clamp the band of five kinds of different in width；
Screwed hole in five kinds of described width type of arrangement is respectively arranged in two rows, and two row screwed holes are mutually equal
OK.
Described screwed hole type of arrangement I is 200mm × 55mm, and the length of often row screwed hole arrangement is 200mm, two rows
The distance between screwed hole is 55mm；
Described screwed hole type of arrangement II is 200mm × 40mm, and the length of often row screwed hole arrangement is 200mm, two
The distance between row screwed hole is 40mm；
Described screwed hole type of arrangement III is 200mm × 50mm, and the length of often row screwed hole arrangement is 200mm, two
The distance between row screwed hole is 50mm；
Described screwed hole type of arrangement IV is 200mm × 25mm, and the length of often row screwed hole arrangement is 200mm, two
The distance between row screwed hole is 25mm；
Described screwed hole type of arrangement V is 200mm × 65mm, and the length of often row screwed hole arrangement is 200mm, two
The distance between row screwed hole is 65mm.
In the type of arrangement of described every kind of screwed hole, often the spacing of capable two adjacent screwed holes is 12mm, with bar
The arrangement pitch for taking firm convex spring is consistent.
A circle screwed hole is additionally provided with the periphery of the base plate, altogether including 60 screwed holes, each screwed hole is equidistant
The distance between arrangement, each screwed hole are 20mm.
The length value of the base plate is 450mm, and width value is 230mm, and Thickness is 20mm.
Described base plate is made using light transmissive material, for example acrylic material, it is ensured that the image instrument test strip size time
Line transmission is good.
The screwed hole is blind hole, and upper surface is concordant with the upper surface of base plate, and lower surface is located at the upper surface of base plate with
Between surface.
The internal diameter of the screwed hole be M4, with magnetic support consistent size.
Described magnetic is supported and magnetic tabletting between and attracted each other by magnetic force, it is ensured that chucking power.
The detection project that described fuel assembly screen work band image instrument test fixture is realized includes band overall length, total
Width, pitch, transverse curvature, fan-shaped bending, chamfer dimesion and tenon size.
The present invention remarkable result be：
(1) test fixture of the present invention can realize chi with compatible ground 66 kinds of fuel assembly screen work bands of stable holding
Very little quick detection, applied range；
(2) test fixture clip position of the present invention accurately, is not taken firm convex, spring, mixes the wing and guide vane by bar
Etc. raised or sunken impact；
(3) test fixture of the present invention is clamped by magnetic force, can offset the natural torsion after band punching, it is ensured that inspection
Survey the accurate of data；
(4) test fixture of the present invention can complete the clipping operation of screen work band using efficient and convenient in 30s；
(5) base plate of test fixture of the present invention is manufactured using light transmissive material, does not affect the overwhelming majority light such as image instrument
The light transmission of size detection equipment is learned, automatization's size detection can be realized；
(6) test fixture of the present invention and optical detection apparatus directly contact, will not cause to parts such as face glass
Damage.
Description of the drawings
Fig. 1 is fuel assembly screen work band image instrument test fixture schematic diagram；
Fig. 2 is the A-A in Fig. 1 to profile；
Fig. 3 is installed schematic diagram on the securing means for fuel assembly screen work band.
In figure：1. base plate；2. magnetic is supported；3. band；4. magnetic tabletting；5.I class bands；6.II class bands；7. screw thread
Hole.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
Fuel assembly screen work band image instrument test fixture as Figure 1-3, for fixed strip band 3, including bottom
Plate 1, magnetic supports 2, magnetic tabletting 4 and screwed hole 7.
Described base plate 1 is rectangular shape, and the length span of base plate 1 is 440-460mm, and preferred value is 450mm,
Width span is 220-240mm, and preferred value is 230mm, can simultaneously fix two panels fuel assembly screen work band, meets big
The stroke range of partial image instrument, the Thickness scope of base plate 1 is 15-25mm, and preferred value is 20mm, it is ensured that on base plate 1
The magnetic that screws that can be stable supports 2.Described base plate 1 is processed using light transmissive material, such as acrylic material, it is ensured that image instrument
Light transmission is good during test strip size.
Screwed hole 7 is opened up on described base plate 1, the axis of screwed hole 7 is vertical with the upper surface of base plate 1.Described spiral shell
Pit 7 is blind hole, and upper surface is concordant with the upper surface of base plate 1, and lower surface is between the upper and lower surface of base plate 1.Institute
The internal diameter for stating screwed hole 7 is M4, with the consistent size that magnetic supports 2.
Described magnetic supports 2 to be fixed on base plate 1 by screwing in screwed hole 7, and magnetic tabletting 4 supports 2 located at magnetic
Top, supports in magnetic tabletting 4 and magnetic and clamp band 3 to be detected between 2.Magnetic is supported and passed through between 2 and magnetic tabletting 4
Magnetic force is attracted each other, it is ensured that chucking power.
Described screwed hole 7 has five kinds of different width type of arrangement located at the center of base plate 1, screwed hole 7, including
Type I, Type II, type III, Type IV and type V, are respectively used to clamp the band of five kinds of different in width, including I class bands
5th, II classes band 6, III class band, IV class band and V class band.Screwed hole 7 in five kinds of described width type of arrangement is divided equally
Two rows are not arranged in, and two row screwed holes 7 are parallel to each other.
In the type of arrangement of described every kind of screwed hole 7, often the spacing of capable two adjacent screwed holes 7 is 12mm, with
The arrangement pitch that bar takes firm convex spring is consistent, to ensure steady clamping strip band.
The described type of arrangement I of screwed hole 7 is 200mm × 55mm, and the length of the often arrangement of row screwed hole 7 is 200mm, two
The distance between row screwed hole 7 is 55mm；
The described type of arrangement II of screwed hole 7 is 200mm × 40mm, and the length of the often arrangement of row screwed hole 7 is 200mm,
The distance between two row screwed holes 7 are 40mm；
The described type of arrangement III of screwed hole 7 is 200mm × 50mm, and the length of the often arrangement of row screwed hole 7 is 200mm,
The distance between two row screwed holes 7 are 50mm；
The described type of arrangement IV of screwed hole 7 is 200mm × 25mm, and the length of the often arrangement of row screwed hole 7 is 200mm,
The distance between two row screwed holes 7 are 25mm；
The described type of arrangement V of screwed hole 7 is 200mm × 65mm, and the length of the often arrangement of row screwed hole 7 is 200mm,
The distance between two row screwed holes 7 are 65mm.
A circle screwed hole 7 is additionally provided with the periphery of the base plate 1, altogether including 60 screwed holes 7, each screwed hole 7 etc.
Spacing is arranged, and the distance between each screwed hole 7 is 20mm, and a described circle screwed hole 7 is used for the size detection of band sheet material.
Fuel assembly screen work band image instrument test fixture of the present invention has been applied at present nuclear power fuel component lattice
In the size detection of frame band, the device adapts to most optical dimensions testing equipments on the market.In Hai Kesi
Entered using apparatus of the present invention on classical 321GL image instruments, ten thousand person of outstanding talent's 3025AZ projectors, Zhao's Schneider automatic projector instrument
Row size detection, the detection Repeatability of stripe size can after programming realize that bar takes about more than 300 within 3 μm
The repetition automatic measurement of item size.
The fuel assembly screen work band detection that fuel assembly screen work band image instrument test fixture of the present invention can be realized
Project has：Band overall length, beam overall, pitch, transverse curvature, sector bending, chamfer dimesion, tenon size etc..Each detection project
Comprising several detected values, and repetition distribution 17 times is taken in bar.
Meanwhile, with the development of domestic nuclear power, in the series production domesticization fuel assembly screen work bar such as magnificent dragon No., CAP1400
During band detection, it is only necessary to use by carrying out adaptations to the size of test fixture of the present invention, applied range.
Claims (10)
1. a kind of fuel assembly screen work band image instrument test fixture, carries out size detection, its feature for fixed strip band
It is：(2), magnetic tabletting (4) and screwed hole (7) are supported including base plate (1), magnetic；
Described base plate (1) is rectangular shape, and the length span of base plate (1) is 440-460mm, and width span is
220-240mm, Thickness scope is 15-25mm；
Screwed hole (7) is opened up on described base plate (1), the axis of screwed hole (7) is vertical with the upper surface of base plate (1)；
Described magnetic supports (2) to be fixed on base plate (1) by screwing in screwed hole (7), and magnetic tabletting (4) is supported located at magnetic
(2) top, supports in magnetic tabletting (4) and magnetic and clamp band to be detected between (2)；
Located at the center of base plate (1), screwed hole (7) has five kinds of different width type of arrangement to described screwed hole (7), bag
Type I, Type II, type III, Type IV and type V are included, is respectively used to clamp the band of five kinds of different in width；
Screwed hole (7) in five kinds of described width type of arrangement is respectively arranged in two rows, and two row screwed holes (7) are mutually equal
OK.
2. fuel assembly screen work band image instrument test fixture as claimed in claim 1, it is characterised in that：Described spiral shell
Pit (7) type of arrangement I is 200mm × 55mm, and the length of often row screwed hole (7) arrangement is 200mm, two row screwed holes (7)
The distance between be 55mm；
Described screwed hole (7) type of arrangement II is 200mm × 40mm, and the length of often row screwed hole (7) arrangement is 200mm,
The distance between two row screwed holes (7) are 40mm；
Described screwed hole (7) type of arrangement III is 200mm × 50mm, and the length of often row screwed hole (7) arrangement is 200mm,
The distance between two row screwed holes (7) are 50mm；
Described screwed hole (7) type of arrangement IV is 200mm × 25mm, and the length of often row screwed hole (7) arrangement is 200mm,
The distance between two row screwed holes (7) are 25mm；
Described screwed hole (7) type of arrangement V is 200mm × 65mm, and the length of often row screwed hole (7) arrangement is 200mm,
The distance between two row screwed holes (7) are 65mm.
3. fuel assembly screen work band image instrument test fixture as claimed in claim 2, it is characterised in that：Described
In the type of arrangement of every kind of screwed hole (7), often the spacing of capable two adjacent screwed holes (7) is 12mm, and with bar firm convex bullet is taken
The arrangement pitch of spring is consistent.
4. fuel assembly screen work band image instrument test fixture as claimed in claim 3, it is characterised in that：At the bottom
The periphery of plate (1) is additionally provided with a circle screwed hole (7), and altogether including 60 screwed holes (7), each screwed hole (7) is equidistantly arranged,
The distance between each screwed hole (7) is 20mm.
5. fuel assembly screen work band image instrument test fixture as claimed in claim 4, it is characterised in that：The base plate
(1) length value is 450mm, and width value is 230mm, and Thickness is 20mm.
6. fuel assembly screen work band image instrument test fixture as claimed in claim 5, it is characterised in that：Described bottom
Plate (1) is made using light transmissive material, such as acrylic material, it is ensured that light transmission is good during image instrument test strip size.
7. fuel assembly screen work band image instrument test fixture as claimed in claim 6, it is characterised in that：The screw thread
Hole (7) is blind hole, and upper surface is concordant with the upper surface of base plate (1), lower surface located at base plate (1) upper and lower surface it
Between.
8. fuel assembly screen work band image instrument test fixture as claimed in claim 7, it is characterised in that：The screw thread
The internal diameter in hole (7) is M4, with the consistent size that magnetic supports (2).
9. fuel assembly screen work band image instrument test fixture as claimed in claim 8, it is characterised in that：Described magnetic
Inhale to support and attracted each other by magnetic force between (2) and magnetic tabletting (4), it is ensured that chucking power.
10. fuel assembly screen work band image instrument test fixture as claimed in claim 9, it is characterised in that：Described
The detection project that fuel assembly screen work band image instrument test fixture is realized includes band overall length, beam overall, pitch, laterally curved
Bent, fan-shaped bending, chamfer dimesion and tenon size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199399.6A CN106595494A (en) | 2016-12-22 | 2016-12-22 | Imager detection and fixation device for grillage bands of fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199399.6A CN106595494A (en) | 2016-12-22 | 2016-12-22 | Imager detection and fixation device for grillage bands of fuel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595494A true CN106595494A (en) | 2017-04-26 |
Family
ID=58600789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611199399.6A Pending CN106595494A (en) | 2016-12-22 | 2016-12-22 | Imager detection and fixation device for grillage bands of fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595494A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540031A (en) * | 2018-12-27 | 2019-03-29 | 中核北方核燃料元件有限公司 | A kind of outline measurement projector automatic detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08132346A (en) * | 1994-11-04 | 1996-05-28 | Alps Eng:Kk | Work fixation device |
| CN203148405U (en) * | 2013-03-13 | 2013-08-21 | 钜祥精密模具（苏州）有限公司 | Three-dimensional detection tool |
| CN203629552U (en) * | 2013-10-30 | 2014-06-04 | 浙江吉利控股集团有限公司 | Rapid positioning device for inspection tool |
| CN105397692A (en) * | 2015-12-29 | 2016-03-16 | 湖南大学 | Special band detection fixture with interchangeability |
| CN105783804A (en) * | 2014-12-26 | 2016-07-20 | 南京理工大学常熟研究院有限公司 | Clamping device used for three-coordinate measurement |
-
2016
- 2016-12-22 CN CN201611199399.6A patent/CN106595494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08132346A (en) * | 1994-11-04 | 1996-05-28 | Alps Eng:Kk | Work fixation device |
| CN203148405U (en) * | 2013-03-13 | 2013-08-21 | 钜祥精密模具（苏州）有限公司 | Three-dimensional detection tool |
| CN203629552U (en) * | 2013-10-30 | 2014-06-04 | 浙江吉利控股集团有限公司 | Rapid positioning device for inspection tool |
| CN105783804A (en) * | 2014-12-26 | 2016-07-20 | 南京理工大学常熟研究院有限公司 | Clamping device used for three-coordinate measurement |
| CN105397692A (en) * | 2015-12-29 | 2016-03-16 | 湖南大学 | Special band detection fixture with interchangeability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540031A (en) * | 2018-12-27 | 2019-03-29 | 中核北方核燃料元件有限公司 | A kind of outline measurement projector automatic detection device |
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| PB01 | Publication | ||
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Application publication date: 20170426 |