CN108198636A - For the fleetness detachable equipment and fuel assembly of fuel assembly - Google Patents
For the fleetness detachable equipment and fuel assembly of fuel assembly Download PDFInfo
- Publication number
- CN108198636A CN108198636A CN201711366267.2A CN201711366267A CN108198636A CN 108198636 A CN108198636 A CN 108198636A CN 201711366267 A CN201711366267 A CN 201711366267A CN 108198636 A CN108198636 A CN 108198636A
- Authority
- CN
- China
- Prior art keywords
- pipe
- protrusion
- positioning pipe
- fleetness
- fuel assembly
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of fleetness detachable equipments and fuel assembly for fuel assembly.The fleetness detachable equipment includes connecting sleeve component, can slide axially and radial rotating is arranged on the positioning pipe of described connecting sleeve component one end, the first retaining mechanism being arranged between the positioning pipe and the connecting sleeve component；First retaining mechanism closes station in axial sliding including limiting it after the positioning pipe axially slidable go into operation position and the positioning pipe radial rotating set angle.Utilize the first retaining mechanism, it is slid axially by operating positioning pipe, the actions such as radial rotating, realize the switching on the position that goes into operation, conjunction station, so as to fulfill the locking and unlock of positioning pipe and connecting sleeve component, the fast assembling-disassembling of guide pipe is realized, is had many advantages, such as simple in structure, easy to operate, safe.
Description
Technical field
The present invention relates to nuclear power field more particularly to a kind of fleetness detachable equipments and fuel assembly for fuel assembly.
Background technology
In technical field of nuclear power, primary clustering of the fuel assembly as nuclear reactor, safety, stability are ten
Divide important.
In existing fuel assembly design process, the fast assembling-disassembling of guide pipe 1 is also particularly important.As shown in Figure 1,
It is a kind of structure type that existing guide pipe 1 is installed, upper tube is connected to including guide pipe 1, upper tube socket 2 and by guide pipe 1
The connection structure of seat 2.The connection structure includes being oriented to pipe-in-pipe 3, casing screw 4 etc..The guiding pipe-in-pipe 3 include tube expansion section with
And thread segment；Tube expanding joint is passed through by tube expansion section and guide pipe 1；Then, it is connected through a screw thread by casing screw 4 and locks spiral shell
Line section, so as to which guide pipe 1 is connected on upper tube socket 2.The designing scheme is non-when fuel assembly assembles and reload dismounting
It is often inconvenient；Moreover, being threadedly coupled, there is also the problems such as easy failure.
Invention content
The technical problem to be solved in the present invention is, provides a kind of fleetness detachable equipment and fuel stack for fuel assembly
Part.
The technical solution adopted by the present invention to solve the technical problems is：It constructs a kind of for the quick removable of fuel assembly
Device, including connecting sleeve component, can slide axially with radial rotating be arranged on described connecting sleeve component one end positioning pipe,
The first retaining mechanism being arranged between the positioning pipe and the connecting sleeve component；
First retaining mechanism includes that the positioning pipe is axially slidable to go into operation position and the positioning pipe radial rotating is set
Determine to limit it after angle and close station in axial sliding.
Preferably, first retaining mechanism be included in it is described positioning inside pipe wall extend internally setting first protrusion, with
And the first axis of the connection set on the connecting sleeve component outer wall is slotted and first is radially slotted；First protrusion
It can be in axial sliding in first axis fluting, station state is opened, and in positioning pipe described in radial rotating in described,
First protrusion can be radially slotted into described first, reaches the conjunction station；Or
First retaining mechanism is included in the first protrusion of the setting that extends outwardly on the connecting sleeve component outer wall, Yi Ji
The first axis of the connection set on the positioning inside pipe wall is slotted and first is radially slotted；First protrusion can be described
One it is axially grooved in be in axial sliding, open station state, and in positioning pipe described in radial rotating in described, described first is convex
Rising can be radially slotted into described first, reaches the conjunction station.
Preferably, the described first radially slotted end is additionally provided with the first axis lock slots communicated therewith.
Preferably, the outer wall of the positioning pipe is additionally provided with outwardly extending second protrusion；Alternatively,
The outer wall of the positioning pipe is additionally provided with that second to be connected is axially grooved and second is radially slotted.
Preferably, the connecting sleeve component includes the connecting tube being fixedly connected in the axial direction and is oriented to pipe-in-pipe；It is described
First retaining mechanism is arranged between the connecting tube and the positioning pipe.
Preferably, the guiding pipe-in-pipe is provided with limit protrusion with one end that the connecting tube connects.
Preferably, the fleetness detachable equipment, which further includes, is arranged between the limit protrusion and the positioning pipe, limits
The elastic preload piece of the axial displacement of the positioning pipe.
Preferably, the elastic preload piece is the spring for being set in the connecting tube periphery.
The present invention also provides a kind of fuel assembly, including upper tube socket and guide pipe；It is characterized in that, it further includes above-mentioned
Any one of them fleetness detachable equipment connect with the guide pipe and is installed on the upper tube socket；
The upper tube socket be equipped with for the fleetness detachable equipment be inserted into mounting hole, the mounting hole with it is described quickly it is removable
The second retaining mechanism is equipped between device.
Preferably, second retaining mechanism is included in the positioning pipe outer wall of the fleetness detachable equipment and extends outwardly setting
The second protrusion and set in the inner wall of the hole installing the second of connection axially grooved and second is radially slotted；It is described
Second protrusion can described second it is axially grooved in be in axial sliding, and in positioning pipe described in radial rotating, described second is convex
Rising can be radially slotted into described second；Or
Second retaining mechanism includes the be extended in the inner wall of the hole installing upward hole second protrusion and described
The second of connection set in positioning pipe outer wall is axially grooved and second is radially slotted；Second protrusion can be in second axis
It is in axial sliding into fluting, and in positioning pipe described in radial rotating, second protrusion can be opened into second radial direction
Slot.
Preferably, the periphery cooperation of the limit protrusion in the guiding pipe-in-pipe of the fleetness detachable equipment and the through-hole limits
Position.
Implement the invention has the advantages that：Using the first retaining mechanism, axial slide is carried out by operating positioning pipe
The actions such as dynamic, radial rotating realize the switching on the position that goes into operation, conjunction station, so as to fulfill positioning pipe and connecting sleeve component
Locking and unlock, realize the fast assembling-disassembling of guide pipe, have many advantages, such as simple in structure, easy to operate, safe.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is a kind of structure diagram of structure type of the guide pipe installation of the prior art；
Fig. 2 is the structure diagram of the first embodiment of fleetness detachable equipment of the present invention；
Fig. 3 is the decomposition texture schematic diagram of the first embodiment of fleetness detachable equipment of the present invention；
Fig. 4 is the structure diagram of the connecting tube of the first embodiment of fleetness detachable equipment of the present invention；
Fig. 5 is the structure diagram of the positioning of the first embodiment of fleetness detachable equipment of the present invention；
Fig. 6 is the partial structural diagram of fuel assembly of the present invention；
Fig. 7 is the partial structural diagram of the upper tube socket of fuel assembly of the present invention.
Specific embodiment
As shown in Figure 2-5, in the first embodiment of the fleetness detachable equipment of the present invention, the guiding available for fuel assembly
The Fast Installation of pipe.The fleetness detachable equipment includes connecting sleeve component, positioning pipe 13, is arranged on positioning pipe 13 and connecting sleeve
First retaining mechanism between component etc.；First retaining mechanism includes positioning pipe 13 axially slidable go into operation position and positioning
It, which is limited, after 13 radial rotating set angle of pipe closes station in axial sliding.Using the first retaining mechanism, by operating positioning pipe
The actions such as 13 are slid axially, radial rotating, realize the position that goes into operation, close station on switching, so as to fulfill positioning pipe 13 with
The locking and unlock of connecting sleeve component realize the fast assembling-disassembling of guide pipe, have simple in structure, easy to operate, safe etc.
Advantage.
Wherein, which can include the connecting tube 11 being fixedly connected in the axial direction and be oriented to pipe-in-pipe 12.
The guiding pipe-in-pipe 12 is arranged on the lower end of connecting tube 11, and can be fixedly connected by welding or other modes.In guide pipe
Casing 12 is provided with limit protrusion 121 with one end that connecting tube 11 connects, available for fixed with the cooperation of the mounting hole 211 of upper tube socket 21
Position；And it is oriented to the other end of pipe-in-pipe 12 and guide pipe can be fixedly connected by tube expansion or other modes, so as to by guide pipe
It is installed on tube socket 21.In the present embodiment, the limit protrusion 121 is annular shape, the step surface with the mounting hole of upper tube socket
Match positioning.
11 lower end of connecting tube is fixedly connected with being oriented to pipe-in-pipe 12, upper end and 13 retractable connection of positioning pipe.In this reality
It applies in example, which carries the ladder pipe structure of U-lag for tube wall.11 ladder position of connecting tube coordinates with positioning pipe 13,
Even lower part, which is inserted into, is oriented in pipe-in-pipe 12, and using 4 even distribution type piezoresistive weldering welding.Connecting tube 11 is logical with positioning pipe 13
Cross the cooperation of the first retaining mechanism.It should be understood that connecting tube 11 can also use straight tube or the tubing of other forms；Connecting tube 11
May be to be integrally formed or make as needed more sub-assemblies with conduit sleeve.
Further, elastic preload piece can also be set between limit protrusion 121 and positioning pipe 13, for limiting positioning
The axial displacement of pipe 13.In the present embodiment, which is the spring 14 for being set in 11 periphery of connecting tube；Certainly, should
Elastic preload piece can also use other elastic components, as long as can be that positioning pipe 13 provides axial pretightning force.
The positioning pipe 13 is connected to the upper end of connecting tube 11 by the first retaining mechanism, and passes through the cooperation of the second retaining mechanism
In the mounting hole 211 of upper tube socket 21.As shown in the figure, the ladder pipe knot that the positioning pipe 13 of the present embodiment is raised for two, band
Structure, positioning pipe 13 and spring 14 are assemblied on the cylindrical outer surface of connecting tube 11, can be slid axially and radial rotating.Certainly,
The structure type of positioning pipe 13 can also be designed as needed.
As shown in the figure, positioning pipe 13 is connected to 11 upper end of connecting tube by the first retaining mechanism, the first retaining mechanism packet
It includes and extends internally in the first protrusion 131 of setting and 11 outer wall of connecting tube in connecting sleeve component in 13 inner wall of positioning pipe
The first axis fluting 111 and first radially slotted 112 of the connection of setting.
In the present embodiment, first axis fluting 111 is in the close side for being oriented to pipe-in-pipe 12 of stage portion of connecting tube 11
It opens up, and penetrates through to the end face of stage portion, so as to which the first protrusion 131 can be inserted into from close to the side for being oriented to pipe-in-pipe 12.And
First radially slotted 112 is arranged on the centre position of first axis fluting 111, so as to which the first protrusion 131 can be opened in first axis
It is in axial sliding in slot 111, is in when slotting 111 end to first axis and opens station state；And in the first protrusion 131
When at one radially slotted 112 aperture position, when positioning pipe 13 is carried out radial rotating, the first protrusion 131 can enter the first diameter
To fluting 112, reach conjunction station.
Further, it in order to preferably position positioning pipe 13 when closing station, is also set in first radially slotted 112 end
There are the first axis lock slots 113 communicated therewith, when the first protrusion 131 reaches the first axis lock slots 113, in spring 14
Promotion under, the first axis lock slots 113 can be caught in, so as to prevent rotating backward for positioning pipe 13.
As shown in the figure, first protrusion 131 of the present embodiment for two and is oppositely arranged, corresponding, first axis fluting 111
Also it is two groups with first radially slotted 112, it is corresponding with the first raised 131 positions；It should be understood that the first protrusion 131, first axle
One or more can be arranged as required into the quantity of fluting 111, first radially slotted 112.
It should be understood that in other embodiments, it can also be by the first raised connection pipe outer wall in connecting sleeve component
On extend outwardly setting, and the first axis fluting connected and first radially slotted is set on positioning inside pipe wall.Likewise, the
One protrusion can be in axial sliding in first axis fluting, in opening station state, and in radial rotating positioning pipe, first is convex
Rising can be radially slotted into first, reaches conjunction station.
Further, which is additionally provided with outwardly extending second protrusion 132, is used for and upper tube
Second axially grooved 212 and the second radially slotted 213 of seat 21 is connected.It should be understood that second can also axially be opened
Slot 212 and second radially slotted 213 is arranged on the outer wall of positioning pipe 13, and the second protrusion 132 is arranged on to the peace of upper tube socket 21
On the inner wall for filling hole 211, same connection effect can be equally realized.
During assembling, connecting tube 11 is packed into positioning pipe 13 first, the protrusion on positioning pipe 13 is inserted into connecting tube 11
In first axis fluting 111, it is at the position that goes into operation in " folding " two working positions.Then, it is packed into from 11 lower part of connecting tube
Spring 14 will finally be oriented to pipe-in-pipe 12 and be packed into connecting tube 11, compresses a certain amount of 14 displacement of spring, and by 11 lower part of connecting tube and
Pipe-in-pipe 12 is oriented to using 4 points of equal mode for cloth welding, is assembled integrally the quick releasable connection part of formula.
As shown in Figure 6,7, be the present invention fuel assembly one embodiment, including upper tube socket 21, guide pipe and on
The fleetness detachable equipment of any embodiment is stated, guide pipe can be quickly removably mountable to by the fleetness detachable equipment
On tube socket 21.The fleetness detachable equipment and above-described embodiment are essentially identical, therefore do not repeat.
On this tube socket 21 be equipped with for fleetness detachable equipment be inserted into mounting hole 211, mounting hole 211 with quickly it is dismantled and assembled
The second retaining mechanism is equipped between putting.It should be understood that the quantity of the mounting hole 211 of upper tube socket 21, position are according to guide pipe
Quantity and installation site are configured.
Guide pipe quickly removable is installed on upper tube socket 21 by the fleetness detachable equipment by the second retaining mechanism.At this
In embodiment, 13 outer wall of positioning pipe which is included in fleetness detachable equipment extends outwardly the second convex of setting
Play 132 and set on 211 inner wall of mounting hole the second of connection axially grooved 212 and second radially slotted 213；Second
Protrusion 132 can be in axial sliding, and in radial rotating positioning pipe 13 in second axially grooved 212, and the second protrusion 132 can be into
Enter second radially slotted 213, in positioning pipe 13 is locked on second radially slotted 213, avoid the upper tube socket 21 of its abjection.
Further, the second axial lock slot 214 can also be set in second radially slotted 213 end, it is convex second
When playing 132 arrival the second axial lock slot 214, under the promotion of spring 14, the second axial lock slot 214 can be caught in,
So as to prevent rotating backward for positioning pipe 13.
It should be understood that in other embodiments, the second protrusion in inner wall of the hole installing upward hole can also be extended and set
Put, and connect second it is axially grooved and second it is radially slotted position pipe outer wall on set.Second protrusion can be axial second
It is in axial sliding in fluting, and in radial rotating positioning pipe, it is radially slotted that the second protrusion can enter second.
In the present embodiment, the second protrusion 132 for two and is oppositely arranged, corresponding, and second axially grooved 212 and second
Radially slotted 213 be also two groups, corresponding with the second raised 132 positions；It should be understood that the second protrusion 132, second is axially grooved
212nd, second radially slotted 213 quantity can be arranged as required into one or more.
When upper tube socket 21 assembles, guide pipe is fixedly connected with fleetness detachable equipment；Then by fleetness detachable equipment with it is upper
The mounting hole 211 of tube socket 21 is aligned；It is axially grooved by the second of the 132 alignment mounting hole 211 of the second protrusion of fleetness detachable equipment
212, fleetness detachable equipment is encased in mounting hole 211.Then, using specific purpose tool push positioning pipe 13, compressed spring 14,
So that the first protrusion 131 and the second protrusion 132 push certain distance simultaneously, then rotational positioning pipe 13 so that the first protrusion 131
Rotate into first radially slotted 112, meanwhile, the second protrusion 132 rotates into second radially slotted 213.Then pushing is withdrawn
Power, under the elastic restitution of spring 14, first boss enters first axis lock slots 113, second boss enters second
Axial lock slot 214, you can the location and installation of complete guide pipe.In dismounting, it is only necessary to which dismounting can be completed in reverse operating.This
Sample, not only dismantle and reassemble operation it is fast and convenient, while can also prevent connecting tube 11 be oriented to pipe-in-pipe 12 loosen after leave
Tube socket 21（Similar flat spring 14 has hook to catch on）, form foreign matter.In addition, the limit in the guiding pipe-in-pipe 12 of fleetness detachable equipment
Position protrusion 121 and the periphery cooperation of through-hole limit, moreover it is possible to prevent from rotating between guide pipe and shaft shoulder screw.
It should be understood that above-mentioned fleetness detachable equipment can also be applied in addition to can be used in the installation of guide pipe
Other similar applications.It can arbitrarily be formed not between the fleetness detachable equipment of above-described embodiment, each technical characteristic of fuel assembly
With embodiment and it is unrestricted.
It should be understood that above example only expresses the preferred embodiment of the present invention, description is more specific and detailed
Carefully, but can not the limitation to the scope of the claims of the present invention therefore be interpreted as；It should be pointed out that the common skill for this field
For art personnel, without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, can also done
Go out several modifications and improvements, these belong to protection scope of the present invention；Therefore, it is all to be done with scope of the invention as claimed
Equivalents and modification, should all belong to the covering scope of the claims in the present invention.
Claims (11)
1. a kind of fleetness detachable equipment for fuel assembly, which is characterized in that including connecting sleeve component, can slide axially and
Radial rotating is arranged on the positioning pipe of described connecting sleeve component one end, is arranged on the positioning pipe and the connecting sleeve component
Between the first retaining mechanism；
First retaining mechanism includes that the positioning pipe is axially slidable to go into operation position and the positioning pipe radial rotating is set
Determine to limit it after angle and close station in axial sliding.
2. the fleetness detachable equipment according to claim 1 for fuel assembly, which is characterized in that the first locking machine
Structure be included in it is described positioning inside pipe wall extend internally setting first protrusion and set on the connecting sleeve component outer wall
The first axis fluting of connection and first radially slotted；First protrusion can be made axial sliding in the first axis is slotted
It is dynamic, station state is opened, and in positioning pipe described in radial rotating in described, first protrusion can enter described first radially
Fluting, reaches the conjunction station；Or
First retaining mechanism is included in the first protrusion of the setting that extends outwardly on the connecting sleeve component outer wall, Yi Ji
The first axis of the connection set on the positioning inside pipe wall is slotted and first is radially slotted；First protrusion can be described
One it is axially grooved in be in axial sliding, open station state, and in positioning pipe described in radial rotating in described, described first is convex
Rising can be radially slotted into described first, reaches the conjunction station.
3. the fleetness detachable equipment according to claim 2 for fuel assembly, which is characterized in that first radial direction is opened
The end of slot is additionally provided with the first axis lock slots communicated therewith.
4. the fleetness detachable equipment according to claim 2 for fuel assembly, which is characterized in that outside the positioning pipe
Wall is additionally provided with outwardly extending second protrusion；Alternatively,
The outer wall of the positioning pipe is additionally provided with that second to be connected is axially grooved and second is radially slotted.
5. the fleetness detachable equipment according to claim 1 for fuel assembly, which is characterized in that the connecting sleeve group
Part includes the connecting tube being fixedly connected in the axial direction and is oriented to pipe-in-pipe；First retaining mechanism be arranged on the connecting tube with
Between the positioning pipe.
6. the fleetness detachable equipment according to claim 5 for fuel assembly, which is characterized in that the guiding pipe-in-pipe
The one end to connect with the connecting tube is provided with limit protrusion.
7. the fleetness detachable equipment according to claim 6 for fuel assembly, which is characterized in that described quick dismantled and assembled
Put the elasticity preload for further including the axial displacement for being arranged between the limit protrusion and the positioning pipe, limiting the positioning pipe
Part.
8. the fleetness detachable equipment according to claim 7 for fuel assembly, which is characterized in that the elasticity preload piece
To be set in the spring of the connecting tube periphery.
9. a kind of fuel assembly, including upper tube socket and guide pipe；It is characterized in that, further include any one of claim 1-8 institutes
The fleetness detachable equipment stated connect with the guide pipe and is installed on the upper tube socket；
The upper tube socket be equipped with for the fleetness detachable equipment be inserted into mounting hole, the mounting hole with it is described quickly it is removable
The second retaining mechanism is equipped between device.
10. fuel assembly according to claim 9, which is characterized in that second retaining mechanism is included in described quick
The positioning pipe outer wall of detachable device extend outwardly setting second protrusion and the connection that is set in the inner wall of the hole installing
Second is axially grooved and second is radially slotted；Second protrusion can described second it is axially grooved in be in axial sliding, and
Described in radial rotating during positioning pipe, it is radially slotted that second protrusion can enter described second；Or
Second retaining mechanism includes the be extended in the inner wall of the hole installing upward hole second protrusion and described
The second of connection set in positioning pipe outer wall is axially grooved and second is radially slotted；Second protrusion can be in second axis
It is in axial sliding into fluting, and in positioning pipe described in radial rotating, second protrusion can be opened into second radial direction
Slot.
11. fuel assembly according to claim 9, which is characterized in that in the guiding pipe-in-pipe of the fleetness detachable equipment
The periphery cooperation of limit protrusion and the through-hole limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366267.2A CN108198636B (en) | 2017-12-18 | 2017-12-18 | Fleetness detachable equipment and fuel assembly for fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366267.2A CN108198636B (en) | 2017-12-18 | 2017-12-18 | Fleetness detachable equipment and fuel assembly for fuel assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108198636A true CN108198636A (en) | 2018-06-22 |
| CN108198636B CN108198636B (en) | 2019-09-10 |
Family
ID=62574539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711366267.2A Active CN108198636B (en) | 2017-12-18 | 2017-12-18 | Fleetness detachable equipment and fuel assembly for fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108198636B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150493A (en) * | 2020-02-09 | 2020-05-15 | 深圳市精锋医疗科技有限公司 | Surgical device and surgical robot |
| CN115691849A (en) * | 2022-09-27 | 2023-02-03 | 四川大学 | Thread simplified type quick detachable connection device and method |
| CN116580859A (en) * | 2023-06-13 | 2023-08-11 | 四川大学 | Quick detachable connection structure and method for separated fuel assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201475560U (en) * | 2009-07-01 | 2010-05-19 | 江春宝 | Improved structure of pipe joint |
| 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 |
| CN104538065A (en) * | 2014-12-19 | 2015-04-22 | 上海核工程研究设计院 | Connecting structure of limit type upper tube seat and guide tube |
-
2017
- 2017-12-18 CN CN201711366267.2A patent/CN108198636B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201475560U (en) * | 2009-07-01 | 2010-05-19 | 江春宝 | Improved structure of pipe joint |
| CN104538065A (en) * | 2014-12-19 | 2015-04-22 | 上海核工程研究设计院 | Connecting structure of limit type upper tube seat and guide tube |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150493A (en) * | 2020-02-09 | 2020-05-15 | 深圳市精锋医疗科技有限公司 | Surgical device and surgical robot |
| CN111150493B (en) * | 2020-02-09 | 2024-05-14 | 深圳市精锋医疗科技股份有限公司 | Surgical device and surgical robot |
| CN115691849A (en) * | 2022-09-27 | 2023-02-03 | 四川大学 | Thread simplified type quick detachable connection device and method |
| US11828324B1 (en) | 2022-09-27 | 2023-11-28 | Sichuan University | Quick-detachable connecting device with simplified thread structure and connection method using same |
| CN116580859A (en) * | 2023-06-13 | 2023-08-11 | 四川大学 | Quick detachable connection structure and method for separated fuel assembly |
| CN116580859B (en) * | 2023-06-13 | 2024-03-05 | 四川大学 | Quick detachable connection structure and method for separated fuel assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108198636B (en) | 2019-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108198636A (en) | For the fleetness detachable equipment and fuel assembly of fuel assembly | |
| CN202301329U (en) | Locking mechanism and lifting rod | |
| CN203500206U (en) | Multi-folding-rod positioning device | |
| CN208882097U (en) | A kind of unmanned plane horn foldable assembly and unmanned plane | |
| JP6608459B2 (en) | Gas turbine including a cooling system provided with a cooling air supply flow path for bypassing to an external casing | |
| CN104455815B (en) | Tapered sealing pipe connector for excavator | |
| CN201401516Y (en) | Novel butterfly valve | |
| CN109823517A (en) | A kind of multi-rotor unmanned aerial vehicle blade of fast demountable | |
| CN205977169U (en) | Striking formula oil pipe blanking plug | |
| CN206839934U (en) | A kind of axial positioning structure | |
| CN205349572U (en) | Air cleaner and connection structure who gives vent to anger and connect | |
| CN206581932U (en) | A kind of logger | |
| CN209680380U (en) | Pipe fitting sprays expansion chuck and connects fixture | |
| CN208766554U (en) | A kind of foldable handle | |
| CN209182357U (en) | A kind of cable intermediate joint experimental rig | |
| CN210779250U (en) | Quick connection anti-drop circular connector | |
| CN203747597U (en) | Planetary gear wire incoming mechanism | |
| CN207999414U (en) | A kind of steam turbine end fixing device | |
| CN102953594A (en) | Electronic lock locking device | |
| CN206836415U (en) | A kind of key chain | |
| CN215062202U (en) | Gas regulator convenient to installation | |
| CN107152467A (en) | A kind of grid coupling | |
| CN207569085U (en) | A kind of coupler structure of quick assembling | |
| CN201650681U (en) | Air compressor | |
| CN206409184U (en) | The top connection of down-hole hammer monomer and cluster type down-hole hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |