CN107123454B - A kind of fuel assembly zirconium box assembly platform - Google Patents
A kind of fuel assembly zirconium box assembly platform Download PDFInfo
- Publication number
- CN107123454B CN107123454B CN201710368671.7A CN201710368671A CN107123454B CN 107123454 B CN107123454 B CN 107123454B CN 201710368671 A CN201710368671 A CN 201710368671A CN 107123454 B CN107123454 B CN 107123454B
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- CN
- China
- Prior art keywords
- zirconium box
- assembly
- fuel assembly
- zirconium
- fuel
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
- G21C21/02—Manufacture of fuel elements or breeder elements contained in non-active casings
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of fuel assembly zirconium box assembly platforms, include support member and hold assembly, the support member is equipped with the through-hole being arranged along the vertical direction, the end of the through-hole adaptation fuel assembly, the hold assembly is connected to the support member, and the hold assembly is used to clamp the zirconium box of the fuel assembly.The end and zirconium box are attached by assembling using the present apparatus in the vertical direction, ensure that the fuel assembly keeps vertical with being adapted to for end by the through-hole, since the fuel rod is longer, it is convenient for confirmation under vertical state and adjusts its verticality, and gravity bring defect when can be avoided over-assemble in the horizontal direction, the zirconium box is adapted to the positioning of end junction, zirconium box is set to keep vertical by hold assembly again, and then facilitate the concentricity for guaranteeing the end and zirconium box, facilitate welding, be conducive to improve Forming Quality, apparatus structure is simple, processing convenience, it is low in cost, operating process is efficient and convenient, location efficiency is high.
Description
Technical field
The present invention relates to a kind of fuel rod manufacture field, in particular to a kind of fuel assembly zirconium box assembly platform.
Background technique
According to certain intervals with the arrangement of the quantity such as 15 × 15 or 17 × 17, insertion evenly distributes several fuel rods along length
Multilayer grid spacer and the skeleton that connects and composes of upper bottom nozzle, form fuel assembly, then need to be arranged zirconium box in outside, by
Longer in the length of fuel rod, it is inconvenient that the end of zirconium box and fuel assembly is welded, at the same fuel assembly in zirconium box along axial appearance
It easily deflects, when use be easy to cause security risk.
In the prior art, the end of fuel assembly is easy not coaxial with external zirconium box in assembling, and is difficult to after welding
Detection can not also adjust, and cause welding quality bad, since the directly degree to involucrum is more demanding, once detection is unqualified, then make
At waste of material, production efficiency is reduced, increases production cost.
Summary of the invention
It is an object of the invention to overcome existing fuel assembly coaxial degree when welding zirconium box bad, influence to weld matter
Amount causes waste of material, reduces production efficiency, increases the above-mentioned deficiencies such as production cost, provides a kind of fuel assembly zirconium box assembling
Platform advantageously ensures that coaxial degree of the zirconium box with fuel assembly, convenient for welding, improves the reliability of product.
To achieve the goals above, the present invention provides following technical schemes:
A kind of fuel assembly zirconium box assembly platform, includes support member and hold assembly, and the support member is equipped with along perpendicular
Through-hole of the histogram to setting, the end of the through-hole adaptation fuel assembly, the hold assembly are connected to the support member, institute
Hold assembly is stated for clamping the zirconium box of the fuel assembly.
It is described comprising support member and hold assembly using a kind of fuel assembly zirconium box assembly platform of the present invention
Support member is equipped with the through-hole being arranged along the vertical direction, the end of the through-hole adaptation fuel assembly, the end of the fuel assembly
It is set to head erect in the through-hole and fixes, then the zirconium box is vertically sheathed on outside the fuel assembly, uses institute
It states hold assembly and clamps the zirconium box, keep the zirconium box coaxial with end, the two is then fixedly connected to form entirety, using this
The end and zirconium box are attached assembling by device in the vertical direction, by described in being adapted to and ensure of the through-hole and end
Fuel assembly keeps vertical, since the fuel rod length is longer, confirms under vertical state and adjusts its verticality, and
Gravity bring defect when can be avoided over-assemble in the horizontal direction, the zirconium box is adapted to the positioning of end junction, then is passed through
Hold assembly makes zirconium box keep vertical, and then facilitates the concentricity for guaranteeing the end and zirconium box, facilitates welding, is conducive to improve
Forming Quality, apparatus structure is simple, and processing convenience, low in cost, without being adjusted positioning to it repeatedly, operating process is quick
Convenient, location efficiency is high.
Preferably, the end is located at the lower section of the zirconium box.
The i.e. described fuel assembly swings to placement when installing the zirconium box, and the height of welding position is lower, is convenient for institute
Zirconium box is stated to be arranged and weld.
Preferably, secure component is connected between the end and through-hole.
After in the end, adaptation connects the through-hole, by the secure component, such as bolt, the end is fixed,
So that it is kept vertical, avoids being occur inclination, deflection in the connection procedure of the zirconium box.
Preferably, the support member includes connecting component, and the hold assembly includes limiting component and regulating member, institute
It states limiting component and regulating member and rotates and be connected to the connecting component.
Using above-mentioned set-up mode, by being convenient for the limiting component and regulating member rotation by the fuel assembly
And zirconium box is put into, and after being put into the zirconium box, limiting component and regulating member described in spinning reduction, then by adjusting the tune
Section component keeps the zirconium box vertical to clamping the zirconium box together with the limiting component.
It is further preferred that the regulating member is bolt.
It is further preferred that the limiting component and regulating member are symmetrical arranged.
It is further preferred that the limiting component and regulating member are located at the junction of the end and zirconium box.
The limiting component and regulating member are located at the junction of the end and zirconium box, convenient for keeping the end and zirconium
The concentricity of box, while can prevent the zirconium box from deforming because of the clamping of the limiting component and regulating member, cause zirconium box
Damage.
It preferably, also include the moveable pedestal for being connected to the support member.
It is further preferred that the pedestal is in include four supporting legs, setting in a center of symmetry.
The pedestal includes four supporting legs, and setting in a center of symmetry, such as windmill, i.e., the described pedestal is radial from center
Extend, since the length of the fuel assembly is longer, center of gravity is higher, and the pedestal of windmill is more stable.
Preferably, the support member is equipped with support frame, and support frame as described above is for placing welding gun.
In conclusion compared with prior art, the beneficial effects of the present invention are:
1, using a kind of fuel assembly zirconium box assembly platform of the present invention, using the present apparatus by the end and zirconium box
It is attached assembling in the vertical direction, ensures that the fuel assembly keeps vertical with being adapted to for end by the through-hole, by
It is longer in the fuel rod length, confirm under vertical state and adjust its verticality, and can be avoided in the horizontal direction
Gravity bring defect when over-assemble, the zirconium box are adapted to the positioning of end junction, then keep zirconium box by hold assembly
Vertically, and then facilitate the concentricity for guaranteeing the end and zirconium box, facilitate welding, be conducive to improve Forming Quality, apparatus structure
Simply, processing convenience, low in cost, without being adjusted positioning to it repeatedly, operating process is efficient and convenient, and location efficiency is high.
2, using a kind of fuel assembly zirconium box assembly platform of the present invention, the fuel assembly is installing the zirconium box
When swing to placement, the height of welding position is lower, is arranged and welds convenient for the zirconium box.
3, using a kind of fuel assembly zirconium box assembly platform of the present invention, in the end, adaptation connects the through-hole
Afterwards, by the secure component, such as bolt, the end is fixed, so that it is kept vertical, avoids the connection for being the zirconium box
Occur inclination, deflection in the process.
4, using a kind of fuel assembly zirconium box assembly platform of the present invention, by by the limiting component and adjustment portion
Part rotation, convenient for the fuel assembly and zirconium box are put into, after being put into the zirconium box, limiting component described in spinning reduction and
Regulating member, then the regulating member is adjusted to clamping the zirconium box, and keeps the zirconium box perpendicular together with the limiting component
Directly.
5, using a kind of fuel assembly zirconium box assembly platform of the present invention, the pedestal includes four supporting legs, Cheng Zhong
The heart is symmetrical arranged, and since the length of the fuel assembly is longer, center of gravity is higher, more stable using the pedestal.
Detailed description of the invention:
Fig. 1 is a kind of structural schematic diagram of fuel assembly zirconium box assembly platform of the present invention.
Fig. 2 is the partial enlarged view of Fig. 1.
Fig. 3 is a kind of structure top view of fuel assembly zirconium box assembly platform.
Marked in the figure: 1- support member, 2- through-hole, the end 3-, 4- zirconium box, 5- connecting component, 6- limiting component, 7- are adjusted
Component, 8- pedestal, 9- support frame, 10- secure component.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.But this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to embodiment below, all to belong to the present invention based on the technology that the content of present invention is realized
Range.
Embodiment 1
As shown in Figure 1-3, a kind of fuel assembly zirconium box assembly platform of the present invention, includes support member 1 and clamping
Component, the support member 1 are equipped with the through-hole 2 being arranged along the vertical direction, and the through-hole 2 is adapted to the end 3 of fuel assembly, institute
The end 3 for stating fuel assembly is down-set in the through-hole 2, is connected with secure component 10 between the end 3 and through-hole 2,
The secure component 10 is bolt, and the support member 1 includes connecting component 5, and the hold assembly includes limiting component 6 and adjusts
Component 7 is saved, the limiting component 6 and regulating member 7 rotate and be connected to the connecting component 5, and the connecting component 5 is additionally provided with
Support frame 9, the regulating member 7 are bolt, and the limiting component 6 and regulating member 7 are symmetrical arranged, and the limiting component 6 is adjusted
Section component 7 and support frame 9 are respectively positioned on the junction of the end 3 and zirconium box 4, are connected under the support member 1 moveable
Pedestal 8, the pedestal 8 include four supporting legs, and setting in a center of symmetry is in windmill.
The limiting component 6 and regulating member 7 are first flipped up 90 °, it is then that the end 3 of the fuel assembly is downward
Alignment is put into the through-hole 2, after placement location keeps vertical, by the secure component 10 by the end 3 and through-hole 2
It is fixed, it is then arranged the zirconium box 4, by the zirconium box 4 and 3 clamping of end and verticality is kept, then downwardly turns over the limit
Position component 6 and regulating member 7, adjusting the regulating member 7 makes it be matched for clamping tightly the zirconium box 4 with the limiting component 6, then
Insertion positioning pin in the end 3 and the junction of zirconium box 4, is welded finally by the welding gun on support frame as described above 9.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of fuel assembly zirconium box assembly platform, which is characterized in that include support member (1) and hold assembly, the support
Component (1) is equipped with the through-hole (2) being arranged along the vertical direction, the end (3) of through-hole (2) the adaptation fuel assembly, the clamping
Component is connected to the support member (1), and the hold assembly is used to clamp the zirconium box (4) of the fuel assembly, the support
Component (1) includes connecting component (5), and the hold assembly includes limiting component (6) and regulating member (7), the limiting component
(6) it rotates with regulating member (7) and is connected to the connecting component (5).
2. a kind of fuel assembly zirconium box assembly platform according to claim 1, which is characterized in that the end (3) is located at
The lower section of the zirconium box (4).
3. a kind of fuel assembly zirconium box assembly platform according to claim 1, which is characterized in that the end (3) and logical
Secure component (10) are connected between hole (2).
4. a kind of fuel assembly zirconium box assembly platform according to claim 1, which is characterized in that the regulating member (7)
For bolt.
5. a kind of fuel assembly zirconium box assembly platform according to claim 1, which is characterized in that the limiting component (6)
It is symmetrical arranged with regulating member (7).
6. a kind of fuel assembly zirconium box assembly platform according to claim 1, which is characterized in that the limiting component (6)
It is located at the junction of the end (3) and zirconium box (4) with regulating member (7).
7. -6 any a kind of fuel assembly zirconium box assembly platform according to claim 1, which is characterized in that also comprising connection
In the moveable pedestal (8) of the support member (1).
8. a kind of fuel assembly zirconium box assembly platform according to claim 7, which is characterized in that the pedestal (8) is in packet
Include four supporting legs, setting in a center of symmetry.
9. -6 any a kind of fuel assembly zirconium box assembly platform according to claim 1, which is characterized in that the support portion
Part (1) is equipped with support frame (9), and support frame as described above (9) is for placing welding gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368671.7A CN107123454B (en) | 2017-05-22 | 2017-05-22 | A kind of fuel assembly zirconium box assembly platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368671.7A CN107123454B (en) | 2017-05-22 | 2017-05-22 | A kind of fuel assembly zirconium box assembly platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107123454A CN107123454A (en) | 2017-09-01 |
| CN107123454B true CN107123454B (en) | 2019-06-07 |
Family
ID=59728625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368671.7A Active CN107123454B (en) | 2017-05-22 | 2017-05-22 | A kind of fuel assembly zirconium box assembly platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107123454B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4857260A (en) * | 1988-09-28 | 1989-08-15 | General Electric Company | Apparatus for assembling and welding end plugs to nuclear fuel cladding tubes and inspecting the end plug welds on an automated basis |
| JP3976456B2 (en) * | 1999-10-14 | 2007-09-19 | 原子燃料工業株式会社 | Fuel rod welding equipment |
| FR2966760B1 (en) * | 2010-10-29 | 2012-12-21 | Areva Nc | AXIAL HOLDING AND ROTATING DEVICE AROUND THE AXIS OF AN EXTENDED SHAPE MEMBER |
| KR101406076B1 (en) * | 2013-01-08 | 2014-06-13 | 한전원자력연료 주식회사 | Automatic welding apparatus for an end plug of a nuclear fuel rod |
| CN205437615U (en) * | 2015-12-31 | 2016-08-10 | 中核建中核燃料元件有限公司 | Ferrule ring welding jig of adjustable centre gripping length |
-
2017
- 2017-05-22 CN CN201710368671.7A patent/CN107123454B/en active Active
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| Publication number | Publication date |
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| CN107123454A (en) | 2017-09-01 |
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