CN109036602B - Reference templates are used in a kind of installation of nuclear reactor structure - Google Patents
Reference templates are used in a kind of installation of nuclear reactor structure Download PDFInfo
- Publication number
- CN109036602B CN109036602B CN201810845893.8A CN201810845893A CN109036602B CN 109036602 B CN109036602 B CN 109036602B CN 201810845893 A CN201810845893 A CN 201810845893A CN 109036602 B CN109036602 B CN 109036602B
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- plate
- ring flat
- floor
- reference templates
- nuclear reactor
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/19—Reactor parts specifically adapted to facilitate handling, e.g. to facilitate charging or discharging of fuel elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of nuclear reactor structure installation reference templates, including ring flat-plate, multiple floors, one end end of multiple floors is connected in the center point of ring flat-plate, the connection of the inner peripheral wall of multiple floor other ends and ring flat-plate, multiple stepped holes are provided on the floor, it is provided with centre bore on multiple floor one end interconnected, matched circular glass target is equipped in centre bore and each stepped hole, concentric circular scale is equipped on glass target target surface.Reference templates can be used as the conversion fiducial tool of device fabrication, installation, it can determine the relative positional relationship between top cover of reactor pressure vessel component and cylinder assembly, in-pile component plate system by located in connection key, ensure that the consistency of the interface of the distinct device of different manufactory's productions.
Description
Technical field
The present invention relates to pressurized water nuclear reactor structure reference for installation tools, and in particular to a kind of nuclear reactor structure installation
Use reference templates.
Background technique
Core of the reactor as entire nuclear power unit, component devices are numerous, including in reactor pressure vessel, heap
The equipment such as component, control rod drive mechanism, reactor fuel component.Conformability is dynamic to core when equipment installation each due to reactor structure
The influence of power equipment safety is huge, therefore very high to the distinct device accuracy of manufacture and equipment room cooperation required precision when design, this is right
Guarantee that reactor driving line operates normally and safe shutdown is most important.And reactor core internals, Pressure vessels are not
It is manufactured with producer, different technological levels, process equipment require to compare to be difficult to guarantee for the high-precision cooperation of distinct device.
Therefore, generally in reactor installation process, manufactory would generally (such as in-pile component and pressure vessel be fixed to part important interface
Gap between position interface, in-pile component hanging basket outlet nozzle and pressure vessel outlet adapter tube) there are certain adjustment allowances, by existing
Installation repair guarantees the high-precision requirement of reactor installation come the error for making up device fabrication, generating in measurement process.
In addition, influencing reactor operation security needs because of corrosion or process quality issue and replacing reactor pressure vessel top
The product re-worked when cap assemblies or in-pile component and original other equipment interface high-precision matchings are because manufacturing and measuring mistake
The reasons such as difference, interface repair are also it is difficult to ensure that required precision.
Summary of the invention
It is an object of that present invention to provide a kind of nuclear reactor structure installation reference templates, using as reactor structure system
The unified conversion benchmark made, check and installed, so as to facilitate the interface for realizing device fabrication high precision and distinct device
High-precision matching realizes the replaceability of product.
The present invention is achieved through the following technical solutions:
A kind of nuclear reactor structure installation reference templates are more including ring flat-plate and multiple floors being arranged radially along ring flat-plate
One end end of a floor is connected in the center point of ring flat-plate, and the inner peripheral wall of multiple floor other ends and ring flat-plate connects, described
It is provided with multiple stepped holes on floor, and multiple stepped holes are on same circumference, is provided on multiple floor one end interconnected
Centre bore is equipped with matched circular glass target, in glass target target table in centre bore and each stepped hole
Face is equipped with concentric circular scale.In the replacement process of existing top cover of reactor pressure vessel component or in-pile component,
Reactor core internals, Pressure vessels are manufactured in different manufacturers, and different technological levels, process equipment are for distinct device
High-precision cooperation require not can guarantee, in this regard, applicant designs a kind of reference for installation template, template is by ring flat-plate and multiple ribs
Plate is constituted, and the outer diameter of ring flat-plate and the hanging basket component flange outer diameter of reactor core internals are in the same size, on each floor
Be provided with stepped hole, multiple stepped holes open up position respectively with the hole system on each plate of in-pile component, pressure vessels top cover
It is corresponding, so that size and pressure vessel when the production pressure vessels top cover component or in-pile component of replacement are in production and processing
Internal structure is corresponding, guarantees the concentricity of corresponding aperture system, and the interface for improving device fabrication high precision and distinct device is high
Accuracy Matching realizes the replaceability of product.When specifically used, in-pile component or pressure vessels top cover component are manufactured
When using template as benchmark, by the stepped hole and measuring instrument on floor, and in stepped hole be equipped with glass target, and
Glass target is designated as having certain thickness, and be equipped on glass target target surface with this body concentric circular scale, in Lai Shixian heap
The centering of the corresponding aperture system of each plate of component and cap assembly, further, to improve design accuracy, glass target and stepped hole
Total backlash is no more than 0.015 millimeter, and stepped hole baseplane and the depth of parallelism for the datum level installed and used are not more than 0.02mm, entirely
The flatness of reference for installation plane is not more than 0.015mm；And install detected when, template is mounted on hanging basket flange
On, it is checked by alignment of the measuring instrument to in-pile component hole system, after in-pile component plate system meets alignment requirement, then
By measuring instrument, in-pile component and pressure vessel corresponding aperture system is set to meet alignment requirement, to meet pressure vessel and heap
Relative positional relationship between inner member, to ensure the installation accuracy of in-pile component and cap assembly；The principle that centering is examined
For；Measuring instrument is adjusted first, establishes nature vertical line benchmark or measuring basis is established with glass target center at corresponding position two,
It is observed by adjusting measuring instrument focal length, obtains the relative positional relationship at the target center in different location, that is, know
Relative position between plate system or equipment, the relative position if being unsatisfactory for design requirement, between adjustment plate system or equipment.When need
When replacing in-pile component or cap assembly, it is to process and examine benchmark with the installation template, carries out equipment and re-work and examine
It looks into, the uniformity of benchmark is maintained between new old product, to realize the replaceability of product.
Wherein, multiple stepped holes on floor by on driving mechanism tube socket corresponding on top cover positioning key cooperate,
The positioning of in-pile component on achievable pressure container cylinder component, while also can determine that radiation surveillance capsule in reactor pressure vessel
Internal position.
The ring flat-plate and multiple integrated poured moldings of floor, and in each quartering of the ring flat-plate outer circle wall
It is equipped with keyway on point, open and keyway the two open end endpoints of the both ends open of each keyway are constituted straight
Line is parallel with the axis of ring flat-plate.Further, ring flat-plate and the integrated poured molding of floor, to guarantee stepped hole no matter in in-pile component
Processing and manufacturing when still installing detection process, improve each plate of pressure vessel and the centering of in-pile component and cap assembly be accurate
Degree, and the keyway being arranged on ring flat-plate excircle quartering point can be cooperated by the expansible positioning key on hanging basket flange to realize
The fixation of the two, to facilitate the alignment detection for carrying out each hole system of in-pile component by measuring instrument.
The width of a keyway in four keyways is greater than the width of remaining three keyways.Further, using 4
Keyway can effectively limit its freedom degree, one of them is greater than other three, for distinguishing orientation, avoid misloading.
Lifting lug is equipped on the floor.Further, it is equipped with lifting lug on floor, the quick shifting of reference templates can be facilitated
Dynamic and installation.
The stepped hole is second level stepped hole.Preferably, stepped hole is second level stepped hole, in order to glass target target branch
It holds and positions.
Compared with prior art, the present invention having the following advantages and benefits:
A kind of nuclear reactor structure installation reference templates of the present invention, reference templates can be used as turn of device fabrication, installation
Fiducial tool is changed, top cover of reactor pressure vessel component and cylinder assembly, in-pile component plate system can determine by located in connection key
Between relative positional relationship, ensure that the consistency of the interface of the distinct device of different manufactories production.When needing replacing
When in-pile component or cap assembly, on the basis of installation template, is re-worked and checked, maintain base between new old product
Quasi- uniformity, to realize the replaceability of product.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of stepped hole.
Label and corresponding parts title in attached drawing:
1- ring flat-plate, 2- floor, 3- centre bore, 4- stepped hole, 5- lifting lug, 6- keyway, 7- glass target.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment includes ring flat-plate 1 and multiple floors 2 being arranged radially along ring flat-plate 1, multiple floors
2 one end end is connected in the center point of ring flat-plate 1, and multiple 2 other ends of floor are connect with the inner peripheral wall of ring flat-plate 2, in the rib
Multiple stepped holes 4 are provided on plate 2, and multiple stepped holes 4 are on same circumference, multiple floors 2 are opened on one end interconnected
There is centre bore 3, matched circular glass target 7 is equipped in centre bore 3 and each stepped hole 4, in glass target
The surface of mark 7 is equipped with concentric circular scale.The replacement of existing top cover of reactor pressure vessel component or in-pile component
In the process, reactor core internals, Pressure vessels different manufacturers manufacture, different technological levels, process equipment for
The high-precision cooperation of distinct device requires not can guarantee, in this regard, applicant designs a kind of reference for installation template, template is by ring flat-plate
1 is constituted with multiple floors 2, and the outer diameter of ring flat-plate 1 and the hanging basket component flange outer diameter of reactor core internals are in the same size, each
Be provided with stepped hole 4 on a floor 2, multiple stepped holes 4 open up position respectively with each plate, the pressure vessel of in-pile component
Hole system on top cover is corresponding, so that the ruler when the production pressure vessels top cover component or in-pile component of replacement are in production and processing
It is very little corresponding with pressure vessel internal structure, guarantee the concentricity of corresponding aperture system, improves device fabrication high precision and difference is set
Standby interface high-precision matching, realizes the replaceability of product.
When specifically used, using template as benchmark when in-pile component or pressure vessels top cover component are manufactured, pass through
Stepped hole 4 and measuring instrument on floor 2, and glass target 7 is equipped in stepped hole 4, and glass target 7 is to have one
Determine thickness, and is equipped on the surface of glass target 7 and this body concentric circular scale, each plate of Lai Shixian in-pile component and top cover group
The centering of the corresponding aperture system of part, further, to improve design accuracy, glass target 7 and the total backlash of stepped hole 4 are no more than
0.015 millimeter, for 4 baseplane of stepped hole with the depth of parallelism of datum level installed and used no more than 0.02mm, entire reference for installation is flat
The flatness in face is not more than 0.015mm；And install detected when, template is mounted on hanging basket flange, by survey
Measuring appratus checks the alignment of in-pile component hole system, after in-pile component plate system meets alignment requirement, then by measurement
Instrument, makes in-pile component and pressure vessel corresponding aperture system meets alignment requirement, thus meet pressure vessel and in-pile component it
Between relative positional relationship, to ensure the installation accuracy of in-pile component and cap assembly；The principle that centering is examined is to adjust first
Whole measuring instrument establishes nature vertical line benchmark or establishes measuring basis with glass target center at corresponding position two, by adjusting
Measuring instrument focal length is observed, and obtains the relative positional relationship at the target center in different location, that is, is known plate system or set
Relative position between standby, the relative position if being unsatisfactory for design requirement, between adjustment plate system or equipment.When needing replacing heap
When inner member or cap assembly, it is to process and examine benchmark with the installation template, carries out equipment and re-work and check, new and old production
The uniformity of benchmark is maintained between product, to realize the replaceability of product.
Wherein, multiple stepped holes 4 on floor 2 with the positioning key on driving mechanism tube socket corresponding on top cover by matching
It closes, the positioning of in-pile component on achievable pressure container cylinder component, while also can determine that radiation surveillance capsule in reactor pressure
Position inside container.And centre bore 3 is provided on multiple floors 2 one end interconnected, the effect of the centre bore 3 and ladder
The function in hole 4 is identical, for supporting and positioning glass target 7, it is ensured that the centering of each hole system is imitated in in-pile component and cap assembly
Fruit.
In the present embodiment, the ring flat-plate 1 and the integrated poured molding of multiple floors 2, and in 1 outer circle wall of ring flat-plate
Each quartering point on be equipped with keyway 6, the both ends open of each keyway 6 is open and two of keyway 6 are opened
It is parallel with the axis of ring flat-plate 1 to put the straight line that end endpoint is constituted.Further, ring flat-plate 1 and the integrated poured molding of floor 2, to protect
No matter card stepped hole 4 improves pressure vessel each plate and heap in structure in the processing and manufacturing of in-pile component or when installing detection process
The centering accuracy of part and cap assembly, and the keyway 6 being arranged on 1 excircle quartering point of ring flat-plate can be by hanging basket method
Expansible positioning key on orchid cooperates the fixation to realize the two, carries out the same of each hole system of in-pile component by measuring instrument to facilitate
Axis detection.It is equipped with lifting lug 5 on floor 2, fast moving and installing for reference templates can be facilitated.
The width of a keyway 6 in four keyways 6 is greater than the width of remaining three keyways 6.And use 4 keyways
Its freedom degree can be effectively limited, one of them is greater than other three, for distinguishing orientation, avoids misloading.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (4)
1. a kind of nuclear reactor structure installation reference templates, including ring flat-plate (1) and multiple floors being arranged radially along ring flat-plate (1)
(2), one end end of multiple floors (2) is connected in the center point of ring flat-plate (1), and multiple floor (2) other ends are interior with ring flat-plate (1)
Circumferential wall connection, it is characterised in that: be provided on the floor (2) multiple stepped holes (4), and multiple stepped holes (4) are in same
On one circumference, multiple floors (2) are provided with centre bore (3) on one end interconnected, in centre bore (3) and each stepped hole
(4) it is equipped with matched circular glass target (7) in, concentric circle is equipped on the surface of glass target (7)
Scale；The ring flat-plate (1) and the integrated poured molding of multiple floors (2), and the ring flat-plate (1) outer circle wall each
Keyway (6) are equipped on quartering point, open and keyway (6) two openings of the both ends open of each keyway (6)
The straight line that end endpoint is constituted is parallel with the axis of ring flat-plate (1).
2. a kind of nuclear reactor structure installation reference templates according to claim 1, it is characterised in that: four keys
The width of a keyway (6) in slot (6) is greater than the width of remaining three keyways (6).
3. a kind of nuclear reactor structure installation reference templates according to claim 1, it is characterised in that: in the floor
(2) lifting lug (5) are equipped with.
4. a kind of nuclear reactor structure installation reference templates according to claim 1, it is characterised in that: the stepped hole
It (4) is second level stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845893.8A CN109036602B (en) | 2018-07-27 | 2018-07-27 | Reference templates are used in a kind of installation of nuclear reactor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845893.8A CN109036602B (en) | 2018-07-27 | 2018-07-27 | Reference templates are used in a kind of installation of nuclear reactor structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109036602A CN109036602A (en) | 2018-12-18 |
| CN109036602B true CN109036602B (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810845893.8A Active CN109036602B (en) | 2018-07-27 | 2018-07-27 | Reference templates are used in a kind of installation of nuclear reactor structure |
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| CN (1) | CN109036602B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496721B (en) * | 2020-04-30 | 2021-09-21 | 中国工程物理研究院机械制造工艺研究所 | Positioning ball head assembling and adjusting method and tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580064A (en) * | 1969-03-27 | 1971-05-25 | Philco Ford Corp | Radial runout recorder |
| CN103047925B (en) * | 2013-01-15 | 2015-11-25 | 中国核工业二三建设有限公司 | Measure the method for the concentricity of presurized water reactor in-pile component in nuclear power station after centering |
| CN203401422U (en) * | 2013-06-07 | 2014-01-22 | 山东核电设备制造有限公司 | Tool for assembling and measurement of integrated reactor roof assembly |
| CN104900281B (en) * | 2014-03-04 | 2018-07-06 | 江苏核电有限公司 | A kind of nuclear reactor pressure container sealing ring producing device and production method |
| CN206524187U (en) * | 2016-12-30 | 2017-09-26 | 中核核电运行管理有限公司 | A kind of emergent seal cover board component of heavy water reactor steam generator hand hole |
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| Publication number | Publication date |
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| CN109036602A (en) | 2018-12-18 |
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