CN106409366B - A kind of grabbing device of fuel assembly - Google Patents
A kind of grabbing device of fuel assembly Download PDFInfo
- Publication number
- CN106409366B CN106409366B CN201611000285.4A CN201611000285A CN106409366B CN 106409366 B CN106409366 B CN 106409366B CN 201611000285 A CN201611000285 A CN 201611000285A CN 106409366 B CN106409366 B CN 106409366B
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- grapple
- raised
- side wall
- 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.)
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Classifications
-
- 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
- G21C19/02—Details of handling arrangements
- G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
- G21C19/105—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements with grasping or spreading coupling 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)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a kind of grabbing device of fuel assembly, the grapple set including drive shaft and relative to drive shaft mirror image, the drive shaft passes through the through hole being arranged in the middle part of support body, and drive shaft coordinates with via clearance, and the part coordinated in drive shaft with grapple is arranged to multidiameter structure；The top of the grapple lower hinge with support body respectively, the bottom of grapple is provided with the bending claws turned up, the first projection for protruding from madial wall is provided with grapple close to the top of the madial wall of drive shaft, the second projection for protruding from madial wall is provided with the middle part of madial wall, the madial wall of second raised lower section is tilted away from the direction of drive shaft, and the gathering and expansion of grapple are realized by the relative motion of drive shaft and grapple.The invention is ingenious in design, can reduce the operation difficulty of scene crawl fuel assembly, simple in construction, securely and reliably.
Description
Technical field
The invention belongs to nuclear equipment technical field, more particularly, to a kind of fuel stack on lead bismuth nuclear reactor
The grabbing device of part.
Background technology
The gripping apparatus pattern of the hook structure of large scale four is used in current commercial nuclear reactor mostly, because the pattern size is inclined
Greatly, complex designing, lead bismuth reactor structure is not suitable for it.Lead bismuth reactor fuel operation device requires that compact-sized, safety can
Lean on.
The content of the invention
In view of this, the invention is directed to a kind of crawl dress of fuel assembly on lead bismuth nuclear reactor
Put, to solve the problems, such as the crawl of fuel assembly.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of grabbing device of fuel assembly, including drive shaft and the grapple relative to the setting of drive shaft mirror image, the drive
Moving axis passes through the through hole being arranged in the middle part of support body, and drive shaft coordinates with via clearance, and the part coordinated in drive shaft with grapple is set
It is set to multidiameter structure, the part coordinated in drive shaft with grapple includes Part I, Part II, Part III and the 4th
Point, the diameter of Part I is less than the diameter of Part II, and the diameter of Part IV is less than the diameter of Part III, Part III
Diameter be less than the diameter of Part II, the junction rounding off of Part I and Part II, Part III and the 4th
The junction rounding off divided；
The top of the grapple lower hinge with support body respectively, the bottom of grapple are provided with the bending claws turned up, on grapple
The first projection for protruding from madial wall is provided with close to the top of the madial wall of drive shaft, is provided with and protrudes from the middle part of madial wall
The second of madial wall is raised, and the madial wall of the second raised lower section tilts away from the direction of drive shaft, when drive shaft moves to
When first projection abuts with the side wall of Part II, at the second raised arrival Part IV, when drive shaft moves to the second projection
When being abutted with the side wall of Part III, at the first raised arrival Part I.
Further, when first projection abuts with the side wall of Part I, the second raised side wall with Part III
Abut, when the first projection abuts with the side wall of Part II, the second projection abuts with the side wall of Part IV.
Further, the bending claws include claw bar and claw hook, and the lower end of claw bar and claw hook are affixed integral, remote on claw bar
The claw bar lateral wall of drive shaft and the claw hook upper side wall of the close claw bar lower end away from drive shaft on claw hook are mutually perpendicular to, when first
When projection abuts with the side wall of Part I, claw hook upper side wall is horizontally oriented.
Further, the quantity of the grapple is two, and the support body lower end is provided with downward opening U-type groove, driving
Axle passes through U-type groove, and in U-type groove, the top of grapple is cut with scissors by two side walls of bearing pin and U-type groove on the top of the grapple
Connect.
Further, end of the drive shaft away from grapple is connected with the drive device for driving drive shaft to move.
Relative to prior art, a kind of grabbing device of fuel assembly described in the invention has the advantage that：
(1) the invention is ingenious in design, can reduce the operation difficulty of scene crawl fuel assembly, simple in construction, peace
It is complete reliable；
(2) because the bending claws of grapple are using the right angle pawl that turns up, it is more firm to capture for the invention.
Brief description of the drawings
The accompanying drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not form the improper restriction to the invention.
In accompanying drawing：
Fig. 1 is the structural representation of the invention embodiment；
Fig. 2 is the structural representation of the drive shaft and grapple described in the invention embodiment.
Description of reference numerals：
1- drive shafts；11- Part I；12- Part II；13- Part III；14- Part IV；2- grapples；21-
One is raised；22- second is raised；23- madial walls；24- bending claws；241- claw bars；2411- claw bar lateral walls；242- claw hooks；2421-
Claw hook upper side wall；3- support bodys；31-U type grooves；4- bearing pins；5- fuel assembly inner cylinders.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As depicted in figs. 1 and 2, a kind of grabbing device of fuel assembly, including drive shaft 1 and relative to the mirror image of drive shaft 1
The grapple 2 of setting.The middle part of support body 3 is provided with through hole, and drive shaft 1 passes through through hole, and drive shaft 1 coordinates with via clearance, drive shaft 1
It can be slided in through hole.The part coordinated in drive shaft 1 with grapple 2 is arranged to multidiameter structure.In drive shaft 1 with grapple 2
The part of cooperation includes Part I 11, Part II 12, Part III 13 and Part IV 14, and the diameter of Part I 11 is small
In the diameter of Part II 12, the diameter of Part IV 14 is less than the diameter of Part III 13, and the diameter of Part III 13 is less than
The diameter of Part II 12.Grapple 2 is promoted to act in order to facilitate drive shaft 1, the junction of Part I 11 and Part II 12
Rounding off, the junction rounding off of Part III 13 and Part IV 14.
As depicted in figs. 1 and 2, the quantity of grapple 2 is two, and the lower end of support body 3 is provided with downward opening U-type groove 31, is driven
Moving axis 1 passes through U-type groove 31, and the top of grapple 2 is in U-type groove 31, the top of grapple 2 pass through bearing pin 4 and U-type groove 31 two
Side walls hinged, grapple 2 can be swung around bearing pin 4.The bottom of grapple 2 is provided with the bending claws 24 turned up, close to driving on grapple 2
The top of the madial wall 23 of axle 1 is provided with the first projection 21 for protruding from madial wall 23, and the middle part of madial wall 23 is provided with protrusion
In the second projection 22 of madial wall 23, inwardly collapsed in order to facilitate grapple 2, second projection 22 lower section madial wall 23 away from
The direction of drive shaft 1 tilts, and when drive shaft 1, which moves to the first projection 21, to be abutted with the side wall of Part II 12, second is raised
At 22 arrival Part IV 14 and the second projection 22 abuts with the side wall of Part IV 14, and now grapple 2 inwardly collapses.Work as driving
Axle 1 moves to the second projection 22 when being abutted with the side wall of Part III 13, at the first raised 21 arrival Part I 11 and first
Projection 21 abuts with the side wall of Part I 11, and now grapple 2 expands outwardly.
As depicted in figs. 1 and 2, bending claws 24 include claw bar 241 and claw hook 242, and the lower end of claw bar 241 and claw hook 242 are affixed
Integrally, crawl fuel assembly for convenience, claw bar lateral wall 2411 on claw bar 241 away from drive shaft 1 with it is remote on claw hook 242
Claw hook upper side wall 2421 from the lower end of close claw bar 241 of drive shaft 1 is mutually perpendicular to, when the first projection 21 and Part I 11
When side wall abuts, claw hook upper side wall 2421 is horizontally oriented.More intelligent for device, drive shaft 1 is away from grapple 2
End is connected with the drive device (not shown) for driving drive shaft 1 to move.
The operation principle of the invention：
The invention relies primarily on the relative motion of drive shaft 1 and grapple 2 to complete grapple 2 and fuel assembly inner cylinder 5
Company's button and thread off, realize the grasping manipulation to fuel assembly, capture for convenience, set above the inwall of fuel assembly inner cylinder 5
It is equipped with the boss for the circle distribution for protruding from inwall.When drive shaft 1 moves downward, as shown in figure 1, the second projection 22 relative to
Drive shaft 1 is moved upwards, and the second projection 22 abuts with the lateral wall of Part III 13, the first projection 21 and the side of Part I 11
Wall abuts, and grapple 2 expands outwardly, and realizes company's button of same fuel assembly inner cylinder 5.When drive shaft 1 is moved upwards, the first projection 21
Moved downward relative to drive shaft 1, the first projection 21 abuts with the lateral wall of Part II 12, the second projection 22 and Part IV
14 lateral wall abuts, and now grapple 2 realizes the dropout of same fuel assembly, grapple 2 departs from fuel assembly to contract.
Present invention wound captures in the fuel assembly that can be not only used for lead bismuth nuclear reactor, and it is small to apply also for marine nuclear power
Other heap-type such as type heap.Site fuel operation difficulty can be reduced using the design device, it is simple in construction, securely and reliably.
The preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention creation, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc., the invention should be included in
Protection domain within.
Claims (5)
- A kind of 1. grabbing device of fuel assembly, it is characterised in that：Set including drive shaft (1) and relative to drive shaft (1) mirror image The grapple (2) put, the drive shaft (1) pass through the through hole being arranged in the middle part of support body (3), and drive shaft (1) coordinates with via clearance, The part coordinated in drive shaft (1) with grapple (2) is arranged to multidiameter structure, the part coordinated in drive shaft (1) with grapple (2) It is small including Part I (11), Part II (12), Part III (13) and Part IV (14), the diameter of Part I (11) Diameter in Part II (12), the diameter of Part IV (14) are less than the diameter of Part III (13), Part III (13) Diameter is less than the diameter of Part II (12), the junction rounding off of Part I (11) and Part II (12), the 3rd Divide (13) and the junction rounding off of Part IV (14)；The top of the grapple (2) and the lower hinge of support body (3), the bottom of grapple (2) protrude from support body (3), grapple (2) Bottom is provided with the bending claws (24) turned up, and is provided with and protrudes from close to the top of the madial wall (23) of drive shaft (1) on grapple (2) The first of madial wall (23) is raised (21), and the second projection for protruding from madial wall (23) is provided with the middle part of madial wall (23) (22), the madial wall (23) below second raised (22) tilts away from the direction of drive shaft (1), when drive shaft (1) is moved When being abutted to first raised (21) with the side wall of Part II (12), second raised (22) reach Part IV (14) place, work as drive When moving axis (1) moves to second raised (22) and abutted with the side wall of Part III (13), the first projection (21) arrival Part I (11) place.
- 2. the grabbing device of fuel assembly according to claim 1, it is characterised in that：Described first raised (21) and first When partly the side wall of (11) abuts, second raised (22) abut with the side wall of Part III (13), first raised (21) and second When partly the side wall of (12) abuts, second raised (22) abut with the side wall of Part IV (14).
- 3. the grabbing device of fuel assembly according to claim 1, it is characterised in that：The bending claws (24) include claw bar (241) and claw hook (242), the lower end of claw bar (241) and claw hook (242) are affixed integral, away from drive shaft on claw bar (241) (1) claw bar lateral wall (2411) and the claw hook upside of close claw bar (241) lower end away from drive shaft (1) on claw hook (242) Wall (2421) is mutually perpendicular to, when first raised (21) abut with the side wall of Part I (11), claw hook upper side wall (2421) place In horizontal direction.
- 4. the grabbing device of fuel assembly according to claim 1, it is characterised in that：The quantity of the grapple (2) is two Individual, support body (3) lower end is provided with downward opening U-type groove (31), and drive shaft (1) passes through U-type groove (31), the grapple (2) in U-type groove (31), the top of grapple (2) is cut with scissors respectively by bearing pin (4) and two side walls of U-type groove (31) on top Connect.
- 5. the grabbing device of fuel assembly according to claim 1, it is characterised in that：The drive shaft (1) is away from grapple (2) end is connected with the drive device for driving drive shaft (1) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000285.4A CN106409366B (en) | 2016-11-14 | 2016-11-14 | A kind of grabbing device of fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000285.4A CN106409366B (en) | 2016-11-14 | 2016-11-14 | A kind of grabbing device of fuel assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106409366A CN106409366A (en) | 2017-02-15 |
| CN106409366B true CN106409366B (en) | 2018-01-02 |
Family
ID=59230308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611000285.4A Active CN106409366B (en) | 2016-11-14 | 2016-11-14 | A kind of grabbing device of fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106409366B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018105041A1 (en) | 2018-03-06 | 2019-09-12 | Dürr Systems Ag | Swivel unit for a handling robot and associated method |
| CN108657805B (en) * | 2018-05-22 | 2019-12-03 | 广东核电合营有限公司 | The old screen work hanging apparatus of Spent Fuel Pool dilatation |
| CN109830315B (en) * | 2019-01-29 | 2022-08-02 | 哈尔滨工程大学 | Expanded nuclear reactor core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740149A (en) * | 2008-11-20 | 2010-06-16 | 中国核电工程有限公司 | Mechanical self-locking fuel assembly gripping apparatus |
| CN201689692U (en) * | 2010-01-25 | 2010-12-29 | 中科华核电技术研究院有限公司 | Fuel handling device for refueling machine |
| CN102479559A (en) * | 2010-11-29 | 2012-05-30 | 中国广东核电集团有限公司 | Emergency tripping device of reactor control rod assembly |
| CN205104242U (en) * | 2015-10-14 | 2016-03-23 | 中科华核电技术研究院有限公司 | Fuel rod grabhook test device |
| CN206210410U (en) * | 2016-11-14 | 2017-05-31 | 清华大学天津高端装备研究院 | A kind of grabbing device of fuel assembly |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH095483A (en) * | 1995-06-15 | 1997-01-10 | Mitsubishi Heavy Ind Ltd | Drive shaft removing tool for reactor control rod |
| JP5963311B2 (en) * | 2013-02-20 | 2016-08-03 | 日立Ｇｅニュークリア・エナジー株式会社 | Drive screw clearance expanding method and control rod drive mechanism using these drive screws |
-
2016
- 2016-11-14 CN CN201611000285.4A patent/CN106409366B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740149A (en) * | 2008-11-20 | 2010-06-16 | 中国核电工程有限公司 | Mechanical self-locking fuel assembly gripping apparatus |
| CN201689692U (en) * | 2010-01-25 | 2010-12-29 | 中科华核电技术研究院有限公司 | Fuel handling device for refueling machine |
| CN102479559A (en) * | 2010-11-29 | 2012-05-30 | 中国广东核电集团有限公司 | Emergency tripping device of reactor control rod assembly |
| CN205104242U (en) * | 2015-10-14 | 2016-03-23 | 中科华核电技术研究院有限公司 | Fuel rod grabhook test device |
| CN206210410U (en) * | 2016-11-14 | 2017-05-31 | 清华大学天津高端装备研究院 | A kind of grabbing device of fuel assembly |
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| Publication number | Publication date |
|---|---|
| CN106409366A (en) | 2017-02-15 |
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