CN104575629A - Detachable upper pipe seat and guide pipe connecting structure - Google Patents
Detachable upper pipe seat and guide pipe connecting structure Download PDFInfo
- Publication number
- CN104575629A CN104575629A CN201410738096.1A CN201410738096A CN104575629A CN 104575629 A CN104575629 A CN 104575629A CN 201410738096 A CN201410738096 A CN 201410738096A CN 104575629 A CN104575629 A CN 104575629A
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- CN
- China
- Prior art keywords
- guide pipe
- upper base
- elastomeric joint
- linkage structure
- elastic buckle
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
- G21C3/332—Supports for spacer grids
-
- 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)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a detachable upper pipe seat and guide pipe connecting structure which comprises an upper pipe seat, an elastic joint and a bracing pipe, wherein a guide pipe hole is formed in the upper pipe seat; the inner diameter of the upper part of the guide pipe hole is larger than the inner diameter of the lower part of the guide pipe hole so as to form a stepped surface; the elastic joint is of a tubular structure; the upper part of the elastic joint comprises at least two elastic fasteners; grooves are formed in the inner sides of the elastic fasteners along the peripheral direction; a lug boss is formed on the lower end of the elastic joint, is matched with the lower end surface of the guide pipe hole of the upper pipe seat and is used for limiting the upward motion of the elastic joint; the bracing pipe is of a tubular structure, a bulge is formed in the outer side of the upper part of the bracing pipe along the peripheral direction, and the bulge is embedded in the grooves of the elastic fasteners; and the bracing pipe is used for locking the elastic fasteners on the stepped surface of the guide pipe hole and limiting the downward motion of the elastic joint. According to the upper pipe seat and guide pipe connecting structure disclosed by the invention, the bracing pipe is taken out by using a hooking tool, and after the elastic joint is not supported, the elastic joint is pressed into the guide pipe hole, the upper pipe seat can be taken out, and the connecting structure can be repeatedly mounted and detached.
Description
Technical field
The present invention relates to the linkage structure design field of pressurized-water reactor fuel subassembly, be specifically related to the linkage structure of a kind of novel removable upper base and guide pipe.
Background technique
Pressurized-water reactor core is generally arranged in order by many fuel subassemblies and forms, and pressurized-water reactor fuel subassembly is made up of some fuel rods, guide pipe parts, gauge pipe parts, screen work, upper bottom nozzle etc. usually.
Screen work is generally divided into top braces screen work, intermediate support screen work and bottom support screen work, and fuel rod is wherein inserted in the clamping of these support grids, plays the effect of support.Top braces screen work, intermediate support screen work are connected with guide pipe parts by mechanical connection manner or welding manner with bottom support screen work.Connected by the weight transmitting of fuel rod to guide pipe parts by these, guide pipe parts will bear thrust load.Guide pipe parts are connected with upper bottom nozzle by the mode of machinery or welding, the same load transmitted from upper bottom nozzle.Therefore for the connection of guide pipe and upper base, the ability with certain bearing load is needed.
Component connect to form fuel subassembly by above-mentioned, enter reactor core and run.In running, the situation that fuel rod is damaged or damage can be there is.Now need refuelling rod.During refuelling rod need upper base to take off from assembly, therefore need the connection removing base and guide pipe.For the Placement of welding, the connection that weld pads just can untie base and guide pipe be destroyed.But destroying solder joint often causes the damage of base or guide pipe even to damage, and causes base and guide pipe to reuse.This will cause larger loss to fuel subassembly.
There are removable upper base and the linkage structure of guide pipe in the world equally at present, as the patent CN200880017064.5 " linkage structure of fuel subassembly " of Mitsubishi Heavy Ind. Ltd.'s application.The removable connection that this patent proposes have employed the structure be threaded.But the difficulty of processing that is threaded is large, installing/dismounting difficulty.
Those skilled in the art are devoted to the linkage structure providing a kind of removable upper base and guide pipe, and processing is simple, and is easy to installing/dismounting.
Summary of the invention
For problems of the prior art, one object of the present invention is the linkage structure providing a kind of removable upper base and guide pipe, this linkage structure has the load that enough intensity bears base transmission, can repeat dismounting is installed simultaneously, upper base is taken off from fuel subassembly and does not destroy base and guide pipe.
In order to solve the problem, the invention provides the linkage structure of a kind of removable upper base and guide pipe, a kind of elastomeric joint is adopted to be in clamping connection structure, elastomeric joint is hooked and to be stuck in upper base upper grid plate guiding pore on ladder surface, and play locking effect with clamping tube support elastomeric joint, thus the motion that restriction elastomeric joint is downward, bear fuel subassembly load upwards; Meanwhile, elastomeric joint lower end adopts projection directly to contact cooperation with upper base upper grid plate lower end surface, and the motion upwards of restriction jointing, bears the load that fuel subassembly is downward.
Upper base and guide pipe are linked together by the mode be mechanically connected by this linkage structure, hook can be used to get instrument clamping tube is taken out, after elastomeric joint loses support, by elastomeric joint press-in guiding pore, can base be taken out, realize the repetition installing/dismounting of this linkage structure.
The invention provides the linkage structure of a kind of upper base and guide pipe, comprising:
Upper base, it is arranged guiding pore, and the internal diameter on guiding pore top is greater than the internal diameter of bottom, forms ladder surface;
Elastomeric joint, for tubular structure, elastomeric joint top comprises at least two Elastic buckles, have spacing between Elastic buckle, the inner side of Elastic buckle circumferentially arranges groove, and the lower end of elastomeric joint arranges boss, lower end surface for the guiding pore with upper base coordinates, the motion upwards of restriction elastomeric joint, boss lower end arranges guide pipe connecting end, for connecting guide pipe;
Clamping tube, be tubular structure, clamping tube upper outside circumferentially arranges projection, protruding for embedding the groove of Elastic buckle, and clamping tube is used for ladder surface Elastic buckle being locked in guiding pore, the motion that restriction elastomeric joint is downward.
Arrange groove in Elastic buckle, the male cooperation of groove and clamping tube, the elastomeric joint tubular structure of restriction Elastic buckle inwardly shrinks, and prevents elastomeric joint from coming off in guiding pore, also plays simultaneously and support the effect that elastomeric joint improves join strength.
The linkage structure of upper base of the present invention and guide pipe, can use hook to get instrument and be taken out by clamping tube, after elastomeric joint loses support, by elastomeric joint press-in guiding pore, can take out base, realize the repetition installing/dismounting of this linkage structure.
Further, the projection of clamping tube is that annular or segmental structure or point-like are protruding, and the projection of clamping tube can be complete loop configuration, also can be the segmental structure comprising the multiple projections circumferentially distributed.
Further, the top chamfering of Elastic buckle, is convenient to elastomeric joint and inserts guiding pore, make easier for installation.
Further, the lower end surface of Elastic buckle is plane.
Further, the lower end surface of Elastic buckle is comprise circular arc along the profile of the cross section of elastomeric joint radial direction, and ladder surface comprises circular arc along the profile of the cross section of the radial direction of guiding pore, coordinates with the lower end surface of Elastic buckle.
Adopt said structure, in unloading process, no longer need corresponding tool by Elastic buckle press-in guiding pore.
After extracting clamping tube, only need by upper base to pull-up, due to the surface of contact of circular arc, Elastic buckle is subject to can be automatic toward interior contraction to the pressure in guiding pore, thus the disassembling section of the linkage structure of upper base and guide pipe is easier.
Further, the linkage structure of upper base and guide pipe also comprises holddown spring, and the lower end of guiding pore arranges counterbore, and holddown spring is sheathed on elastomeric joint, and lower end is connected with the boss of elastomeric joint, and upper end contacts with the ladder surface of counterbore.
Utilize holddown spring to prevent the upper base caused due to dimensional accuracy from rocking, make the connection of the linkage structure of base and guide pipe more firm.
Further, between holddown spring and the ladder surface of counterbore, spring washer is set.
Further, the Elastic buckle of guiding pore, elastomeric joint and the upper end of clamping tube three form chamfering, make this linkage structure have leading role to the associated component inserted wherein, are easy to installing/dismounting operation.
Further, the angle of chamfering is 0 ~ 45 °.
Compared with prior art, the linkage structure of upper base of the present invention and guide pipe has following beneficial effect:
(1) Elastic buckle inside arranges groove, the male cooperation of groove and clamping tube, restriction Elastic buckle is to elastomeric joint tubular structure internal contraction, prevent elastomeric joint from coming off in guiding pore, also play simultaneously and support the effect that elastomeric joint improves join strength, use hook to get instrument and clamping tube is taken out, after elastomeric joint loses support, by in elastomeric joint press-in guiding pore, can base be taken out, realize the repetition installing/dismounting of this linkage structure;
(2) lower end surface and the guiding pore ladder surface of Elastic buckle adopt the surface of contact of circular arc, no longer need press tool in Elastic buckle, make the disassembling section of the linkage structure of base and guide pipe easier in unloading process;
(3) holddown spring is sheathed on elastomeric joint, is arranged between base and the boss of elastomeric joint, improves the join strength of linkage structure, utilizes holddown spring to prevent the upper base caused due to dimensional accuracy from rocking;
(4) lead pore, the Elastic buckle of elastomeric joint and the upper end formation chamfering of clamping tube, makes this linkage structure have leading role to the associated component inserted wherein, be easy to installing/dismounting operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the upper base of one embodiment of the present of invention and the linkage structure of guide pipe;
Fig. 2 is the sectional view of the upper base of the linkage structure of the upper base shown in Fig. 1 and guide pipe;
Fig. 3 is the plan view of the elastomeric joint of the linkage structure of the upper base shown in Fig. 1 and guide pipe;
Fig. 4 is the sectional view of the elastomeric joint shown in Fig. 3 along A-A direction;
Fig. 5 is the perspective view of the clamping tube of the linkage structure of the upper base shown in Fig. 1 and guide pipe;
Fig. 6 is the schematic diagram of the upper base of an alternative embodiment of the invention and the linkage structure of guide pipe;
Fig. 7 is the schematic diagram of the upper base of another embodiment of the present invention and the linkage structure of guide pipe;
Fig. 8 is the schematic diagram of the upper base of another embodiment of the present invention and the linkage structure of guide pipe.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
As shown in Figure 1, the upper base of one embodiment of the present of invention and the linkage structure of guide pipe, comprise base 1, elastomeric joint 2 and clamping tube 3;
As shown in Figure 2, upper base 1 arranges guiding pore, the internal diameter on guiding pore top is greater than the internal diameter of bottom, forms ladder surface 11;
As shown in Figure 3, Figure 4, elastomeric joint 2 is tubular structure, and elastomeric joint top comprises at least two Elastic buckles 21, and the top of the present embodiment Elastic joint is processed as petal-shaped, comprises 5 Elastic buckles 21.
Top processing 15 ~ 30 ° of chamferings of Elastic buckle 21, the chamfering on the top of the present embodiment Elastic buckle 21 is 30 °, is convenient to elastomeric joint 2 and inserts guiding pore, make easier for installation.
The inner side of Elastic buckle 21 circumferentially arranges groove 211.
The lower end surface 212 of Elastic buckle 21 is plane.
The lower end of elastomeric joint 2 arranges boss 22, and the lower end surface for the guiding pore with upper base 1 coordinates, the motion upwards of restriction elastomeric joint 2.
Boss 22 is annular boss, also can be other shape, as long as can coordinate with the lower end surface of the guiding pore of upper base 1, and the motion upwards of restriction elastomeric joint 2.
Boss 22 is highly 2 ~ 5mm.
As shown in Figure 5, clamping tube 3 is tubular structure, and the upper outside of clamping tube 3 circumferentially arranges protruding 31, and protruding 31 for embedding the groove 211 of Elastic buckle 21, clamping tube 3, for Elastic buckle 21 being locked in the ladder surface 11 of guiding pore, limits the motion that elastomeric joint 2 is downward.
Groove 211 is set in Elastic buckle 21, groove 211 coordinates with the projection 31 of clamping tube 3, restriction Elastic buckle 21, to elastomeric joint 2 tubular structure internal contraction, prevents elastomeric joint 2 from coming off in guiding pore, also plays simultaneously and support the effect that elastomeric joint 2 improves join strength.
Upper base in the present embodiment and the linkage structure of guide pipe, can use hook to get instrument and be taken out by clamping tube 3, after elastomeric joint 2 loses support, is pressed into by elastomeric joint 2 in guiding pore, can takes out base 1, realize the repetition installing/dismounting of this linkage structure.
The projection 31 of clamping tube 3 can be also segmental structure or dots structure, namely comprises the structure of circumferentially distribute multiple protruding 31.
As shown in Figure 6, the upper base of an alternative embodiment of the invention and the linkage structure of guide pipe, also comprise holddown spring 4, the lower end of guiding pore arranges counterbore, holddown spring 4 is sheathed on elastomeric joint 2, and lower end is connected with the boss 22 of elastomeric joint 2, and upper end contacts with the ladder surface 12 of counterbore.
Between the ladder surface 12 of holddown spring 4 and counterbore, spring washer 5 is set.
Utilize holddown spring to prevent the upper base caused due to dimensional accuracy from rocking, make the connection of the linkage structure of base and guide pipe more firm.
For preventing part landing in installation or removal process, holddown spring 4 welds with spring washer 5, and arrange spring boss 221 inside the boss 22 of elastomeric joint 2, holddown spring 4 welds with spring boss 221.
After elastomeric joint 2 and holddown spring 5 and spring washer 5 assemble, insert in guiding pore, Elastic buckle 21 coordinates with the ladder surface 11 in guiding pore and limits the downward motion of elastomeric joint 2, and bears axial load upwards; Boss 22 coordinates with the lower end surface of guiding pore limit elastomeric joint 2 to upper motion, and bear the downward load of axis.Now, holddown spring 4 is compressed, and prevents elastomeric joint 2 from rocking in guiding pore due to gap, does not play carrying effect; Inserted by clamping tube 3 in elastomeric joint 2, protruding 31 coordinate with groove 211, and restriction Elastic buckle 21 shrinks in guiding pore, and plays a supporting role.
When dismantling, first getting instrument by hook and clamping tube 3 is taken out from elastomeric joint 2; After taking out clamping tube 3, the Elastic buckle 21 of elastomeric joint 2 can shrink in guiding pore.By interior press tool, the Elastic buckle 21 of elastomeric joint 2 is pressed in guiding pore, the restriction that in releasing, base moves upward, thus takes off base.Holddown spring 4 welds with spring boss 221, can not come off because dismantling upper base.
As shown in Figure 7, in the upper base of another embodiment of the present invention and the linkage structure of guide pipe, the lower end surface of Elastic buckle 21 is comprise circular arc along the profile of the cross section of elastomeric joint 2 radial direction, ladder surface 11 comprises circular arc along the profile of the cross section of the radial direction of guiding pore, coordinates with the lower end surface of Elastic buckle 21.
Adopt said structure, in unloading process, no longer need corresponding tool to be pressed into by Elastic buckle 21 in guiding pore.
After extracting clamping tube 3, only need by upper base 1 to pull-up, due to the surface of contact of circular arc, Elastic buckle 21 is subject to can be automatic toward interior contraction to the pressure in guiding pore, thus the disassembling section of the linkage structure of upper base and guide pipe is easier.
As shown in Figure 8, in the upper base of another embodiment of the present invention and the linkage structure of guide pipe, the Elastic buckle 21 of guiding pore, elastomeric joint 2 and the upper end of clamping tube 3 three form chamfering, make this linkage structure have leading role to the associated component inserted wherein, be easy to installing/dismounting operation.
The angle of chamfering is 0 ~ 45 °, and in the present embodiment, chamfering is 45 °.
The linkage structure of upper base of the present invention and guide pipe, Elastic buckle inside arranges groove, the male cooperation of groove and clamping tube, restriction Elastic buckle is to elastomeric joint tubular structure internal contraction, prevent elastomeric joint from coming off in guiding pore, also play simultaneously and support the effect that elastomeric joint improves join strength, corresponding tool is used to be taken out by clamping tube, after elastomeric joint loses support, by in elastomeric joint press-in guiding pore, can base be taken out, realize the repetition installing/dismounting of this linkage structure; Lower end surface and the guiding pore ladder surface of Elastic buckle adopt the surface of contact of circular arc, no longer need corresponding tool, make the disassembling section of the linkage structure of base and guide pipe easier in unloading process; Holddown spring is sheathed on elastomeric joint, is arranged between base and the boss of elastomeric joint, improves the join strength of linkage structure, utilizes holddown spring to prevent the upper base caused due to dimensional accuracy from rocking; The Elastic buckle of guiding pore, elastomeric joint and the upper end of clamping tube form chamfering, make this linkage structure have leading role to the associated component inserted wherein, are easy to installing/dismounting operation.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. a linkage structure for upper base and guide pipe, it is characterized in that, the linkage structure of described upper base and guide pipe comprises:
Upper base, it is arranged guiding pore, and the internal diameter on described guiding pore top is greater than the internal diameter of bottom, forms ladder surface;
Elastomeric joint, for tubular structure, described elastomeric joint top comprises at least two Elastic buckles, have spacing between described Elastic buckle, the inner side of described Elastic buckle circumferentially arranges groove, and the lower end of described elastomeric joint arranges boss, lower end surface for the guiding pore with described upper base coordinates, limit the motion upwards of described elastomeric joint, described boss lower end arranges guide pipe connecting end, for connecting guide pipe;
Clamping tube, for tubular structure, described clamping tube upper outside circumferentially arranges projection, and described projection is for embedding the described groove of described Elastic buckle, described clamping tube is used for the described ladder surface described Elastic buckle being locked in described guiding pore, limits the motion that described elastomeric joint is downward.
2. base as claimed in claim 1 upper and the linkage structure of guide pipe, is characterized in that, the described projection of described clamping tube be annular or segmental structure or point-like projection.
3. the linkage structure of upper base as claimed in claim 1 and guide pipe, is characterized in that, the top chamfering of described Elastic buckle.
4. the linkage structure of upper base as claimed in claim 1 and guide pipe, it is characterized in that, the lower end surface of described Elastic buckle is plane.
5. the linkage structure of upper base as claimed in claim 1 and guide pipe, it is characterized in that, the lower end surface of described Elastic buckle is comprise circular arc along the profile of the cross section of elastomeric joint radial direction, ladder surface comprises circular arc along the profile of the cross section of the radial direction of guiding pore, coordinates with the lower end surface of Elastic buckle.
6. the linkage structure of upper base as claimed in claim 1 and guide pipe, it is characterized in that, the linkage structure of described upper base and guide pipe also comprises holddown spring, the lower end of described guiding pore arranges counterbore, described holddown spring is sheathed on elastomeric joint, lower end is connected with the described boss of described elastomeric joint, and upper end contacts with the ladder surface of described counterbore.
7. the linkage structure of upper base as claimed in claim 6 and guide pipe, is characterized in that, arrange spring washer between the ladder surface of described holddown spring and described counterbore.
8. the linkage structure of upper base as claimed in claim 1 and guide pipe, is characterized in that, the described Elastic buckle of described guiding pore, described elastomeric joint and the upper end of described clamping tube three form chamfering.
9. the linkage structure of upper base as claimed in claim 8 and guide pipe, it is characterized in that, the angle of described chamfering is 0 ~ 45 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738096.1A CN104575629B (en) | 2014-12-05 | 2014-12-05 | A kind of attachment structure of removable upper base and guide pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738096.1A CN104575629B (en) | 2014-12-05 | 2014-12-05 | A kind of attachment structure of removable upper base and guide pipe |
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| CN104575629A true CN104575629A (en) | 2015-04-29 |
| CN104575629B CN104575629B (en) | 2017-05-31 |
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| CN201410738096.1A Active CN104575629B (en) | 2014-12-05 | 2014-12-05 | A kind of attachment structure of removable upper base and guide pipe |
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| CN105042533A (en) * | 2015-08-06 | 2015-11-11 | 苏州晶雷光电照明科技有限公司 | Lamp post structure |
| CN105402134A (en) * | 2015-12-18 | 2016-03-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil-proofing cover and scroll compressor comprising same |
| RU2627307C1 (en) * | 2016-07-15 | 2017-08-07 | Публичное акционерное общество "Машиностроительный завод" | Thermal electrical assembly of nuclear reactor |
| CN107068208A (en) * | 2017-02-27 | 2017-08-18 | 中国核动力研究设计院 | Portion connecting structure and its mounting and dismounting method on a kind of quick removable fuel assembly |
| CN107610785A (en) * | 2017-08-16 | 2018-01-19 | 中广核研究院有限公司 | Guide pipe and the quick releasable connection device and method of upper base |
| CN107644687A (en) * | 2017-08-16 | 2018-01-30 | 岭东核电有限公司 | Guide pipe and the quick releasable connection structure of upper base and method |
| CN109432871A (en) * | 2018-12-26 | 2019-03-08 | 吴联星 | Filter core positioning tube |
| CN110718311A (en) * | 2019-10-10 | 2020-01-21 | 中国科学院近代物理研究所 | A first mechanism is grabbed in reloading for lead-based reactor fuel assembly |
| CN113167499A (en) * | 2018-12-08 | 2021-07-23 | 金兑炫 | Pipe connection structure of air conditioning equipment |
| RU2765655C1 (en) * | 2018-06-15 | 2022-02-01 | Акционерное Общество "Твэл" | Fuel assembly of a nuclear reactor |
| CN116580859A (en) * | 2023-06-13 | 2023-08-11 | 四川大学 | Quick detachable connection structure and method for separated fuel assembly |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102234A (en) * | 1985-04-04 | 1986-10-08 | 西屋电气公司 | The removable top nozzle nuclear fuel assembly |
| US4617171A (en) * | 1982-07-01 | 1986-10-14 | Commissariat A L'energie Atomique | Device for fixing a guide tube in a recess on the end fitting of a nuclear reactor fuel assembly |
| US4684500A (en) * | 1985-09-12 | 1987-08-04 | Westinghouse Electric Corp. | Guide thimble captured locking tube in a reconstitutable fuel assembly |
| US4692304A (en) * | 1985-12-23 | 1987-09-08 | Westinghouse Electric Corp. | Removable and reusable locking pin for top nozzle assembly and disassembly |
| CN1041473A (en) * | 1988-09-19 | 1990-04-18 | 法玛通公司 | Conduit is fixed on the dismountable installation on the end fitting of nuclear reactor fuel device |
| US5375155A (en) * | 1992-07-14 | 1994-12-20 | Siemens Aktiengesellschaft | Fuel assembly with rational screw fastenings of the upper tie plate to tubes or rods |
| US5465282A (en) * | 1993-11-25 | 1995-11-07 | Abb Atom Ab | Fuel assembly for a nuclear reactor |
| CN1139494A (en) * | 1993-12-30 | 1997-01-01 | 砝码通公司 | Detachable fuel assembly for a light water cooled nuclear reactor |
| CN201111965Y (en) * | 2007-10-19 | 2008-09-10 | 上海核工程研究设计院 | Pressureized water reactor fuel assembly upper tube socket |
| CN101681684A (en) * | 2007-12-28 | 2010-03-24 | 三菱重工业株式会社 | Coupling structure of fuel assembly |
| CN101727993A (en) * | 2008-10-24 | 2010-06-09 | 中国核动力研究设计院 | Quick detachable joint of nuclear fuel assembly |
| CN101882474A (en) * | 2010-05-12 | 2010-11-10 | 高新区益腾净水设备研发中心 | Rapid detachable joint |
| CN103413577A (en) * | 2013-07-26 | 2013-11-27 | 清华大学 | Thin-walled cylinder buffer for buffering drop impact of high-temperature gas cooled reactor control rod |
| CN103928059A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Rotary detachable guide pipe-upper pipe seat connecting piece |
| CN204407018U (en) * | 2014-12-05 | 2015-06-17 | 上海核工程研究设计院 | The syndeton of a kind of removable upper base and guide pipe |
-
2014
- 2014-12-05 CN CN201410738096.1A patent/CN104575629B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617171A (en) * | 1982-07-01 | 1986-10-14 | Commissariat A L'energie Atomique | Device for fixing a guide tube in a recess on the end fitting of a nuclear reactor fuel assembly |
| CN86102234A (en) * | 1985-04-04 | 1986-10-08 | 西屋电气公司 | The removable top nozzle nuclear fuel assembly |
| US4684500A (en) * | 1985-09-12 | 1987-08-04 | Westinghouse Electric Corp. | Guide thimble captured locking tube in a reconstitutable fuel assembly |
| US4692304A (en) * | 1985-12-23 | 1987-09-08 | Westinghouse Electric Corp. | Removable and reusable locking pin for top nozzle assembly and disassembly |
| CN1041473A (en) * | 1988-09-19 | 1990-04-18 | 法玛通公司 | Conduit is fixed on the dismountable installation on the end fitting of nuclear reactor fuel device |
| US5375155A (en) * | 1992-07-14 | 1994-12-20 | Siemens Aktiengesellschaft | Fuel assembly with rational screw fastenings of the upper tie plate to tubes or rods |
| US5465282A (en) * | 1993-11-25 | 1995-11-07 | Abb Atom Ab | Fuel assembly for a nuclear reactor |
| CN1139494A (en) * | 1993-12-30 | 1997-01-01 | 砝码通公司 | Detachable fuel assembly for a light water cooled nuclear reactor |
| CN201111965Y (en) * | 2007-10-19 | 2008-09-10 | 上海核工程研究设计院 | Pressureized water reactor fuel assembly upper tube socket |
| CN101681684A (en) * | 2007-12-28 | 2010-03-24 | 三菱重工业株式会社 | Coupling structure of fuel assembly |
| CN101727993A (en) * | 2008-10-24 | 2010-06-09 | 中国核动力研究设计院 | Quick detachable joint of nuclear fuel assembly |
| CN101882474A (en) * | 2010-05-12 | 2010-11-10 | 高新区益腾净水设备研发中心 | Rapid detachable joint |
| CN103928059A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Rotary detachable guide pipe-upper pipe seat connecting piece |
| CN103413577A (en) * | 2013-07-26 | 2013-11-27 | 清华大学 | Thin-walled cylinder buffer for buffering drop impact of high-temperature gas cooled reactor control rod |
| CN204407018U (en) * | 2014-12-05 | 2015-06-17 | 上海核工程研究设计院 | The syndeton of a kind of removable upper base and guide pipe |
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| CN110718311B (en) * | 2019-10-10 | 2020-07-07 | 中国科学院近代物理研究所 | A first mechanism is grabbed in reloading for lead-based reactor fuel assembly |
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