CN206210410U - A kind of grabbing device of fuel assembly - Google Patents
A kind of grabbing device of fuel assembly Download PDFInfo
- Publication number
- CN206210410U CN206210410U CN201621222294.3U CN201621222294U CN206210410U CN 206210410 U CN206210410 U CN 206210410U CN 201621222294 U CN201621222294 U CN 201621222294U CN 206210410 U CN206210410 U CN 206210410U
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model 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 with grapple in drive shaft is set to multidiameter structure；The top of grapple respectively with the lower hinge of support body, the bottom of grapple is provided with the bending claws turned up, the first projection for protruding from madial wall is provided with grapple near 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, madial wall below second projection is inclined 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 utility model design is ingenious, can reduce the operation difficulty of scene crawl fuel assembly, and simple structure is safe and reliable.
Description
Technical field
The utility model 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
At present mostly using the gripping apparatus pattern of the hook structure of large scale four in commercialization nuclear reactor, because the pattern size is inclined
Greatly, design complicated, be not suitable for lead bismuth reactor structure.Lead bismuth reactor fuel operation device requires compact conformation, safety can
Lean on.
The content of the invention
In view of this, the utility model 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 solution of the utility model 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 with grapple in drive shaft sets
Multidiameter structure is set to, the part coordinated with grapple in drive shaft includes Part I, Part II, Part III and the 4th
Point, the diameter of the diameter less than Part II of Part I, the diameter of the diameter less than Part III of Part IV, Part III
Diameter of the diameter less than Part II, the junction rounding off of Part I and Part II, Part III and the 4th
The junction rounding off for dividing；
The top of the grapple respectively with the lower hinge of support body, the bottom of grapple is provided with the bending claws turned up, on grapple
The first projection for protruding from madial wall is provided near the top of the madial wall of drive shaft, is provided with the middle part of madial wall and protruded from
The second of madial wall is raised, and the madial wall below the second projection is inclined away from the direction of drive shaft, when drive shaft is moved to
When first projection is abutted 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 is abutted with the side wall of Part I, the second raised side wall with Part III
Abut, when the first projection is abutted with the side wall of Part II, the second projection is abutted with the side wall of Part IV.
Further, the bending claws include claw bar and claw hook, and the lower end of claw bar is affixed with claw hook integral, on claw bar away from
Claw hook upper side wall on the claw bar lateral wall of drive shaft and claw hook away from the close claw bar lower end of drive shaft is mutually perpendicular to, when first
When projection is abutted 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, is driven
Axle passes through U-type groove, and the top of the grapple is embedded in U-type groove, and the top of grapple is cut with scissors by bearing pin with two side walls of U-type groove
Connect.
Further, the drive shaft is connected with the drive device for driving drive shaft to move away from the end of grapple.
Relative to prior art, a kind of grabbing device of fuel assembly described in the utility model has the advantage that：
(1) the utility model design is ingenious, can reduce the operation difficulty of scene crawl fuel assembly, simple structure, peace
It is complete reliable；
(2) the utility model is because the bending claws of grapple are using the right angle pawl that turns up, and it is more firm to capture.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the drive shaft and the structural representation of grapple described in the utility model 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.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to limitation of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
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 description of the present utility model, unless separately
It is described, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the utility model.
Describe the utility model 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
Can be slided in through hole.The part coordinated with grapple 2 in drive shaft 1 is set to multidiameter structure.With grapple 2 in drive shaft 1
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 the diameter less than Part III 13 of Part IV 14, the diameter of Part III 13 is less than
The diameter of Part II 12.Drive shaft 1 promotes grapple 2 to act for convenience, the junction of Part I 11 and Part II 12
The junction rounding off of rounding off, 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 embedded in U-type groove 31, and the top of grapple 2 passes through two of bearing pin 4 and U-type groove 31
Side walls hinged, grapple 2 can swing around bearing pin 4.The bottom of grapple 2 is provided with the bending claws 24 turned up, near 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, grapple 2 inwardly draws in for convenience, the madial wall 23 of the second raised 22 lower section away from
The direction of drive shaft 1 inclines, and when drive shaft 1 moves to first raised 21 to be abutted with the side wall of Part II 12, second is raised
At 22 arrival Part IV 14 and second raised 22 abuts with the side wall of Part IV 14, the now inside gathering of grapple 2.Work as driving
When axle 1 moves to second raised 22 and abutted with the side wall of Part III 13, at the arrival Part I 11 of the first projection 21 and first
Raised 21 are abutted with the side wall of Part I 11, and now grapple 2 is expanded 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 is affixed with claw hook 242
Integrally, fuel assembly is captured for convenience, and the claw bar lateral wall 2411 on claw bar 241 away from drive shaft 1 is remote with 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 is abutted, 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.
Operation principle of the present utility model：
The utility model 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 with thread off, realize, to the grasping manipulation of fuel assembly, capturing for convenience, the inwall top of fuel assembly inner cylinder 5 sets
It is equipped with the boss of the circle distribution for protruding from inwall.When drive shaft 1 is moved downward, as shown in figure 1, the second projection 22 relative to
Drive shaft 1 is moved upwards, and second raised 22 abuts with the lateral wall of Part III 13, the side of the first projection 21 and Part I 11
Wall is abutted, and grapple 2 is expanded outwardly, and realizes being detained with the company of fuel assembly inner cylinder 5.When drive shaft 1 is moved upwards, the first projection 21
Moved downward relative to drive shaft 1, first raised 21 abuts with the lateral wall of Part II 12, the second projection 22 and Part IV
14 lateral wall is abutted, and now grapple 2 realizes that, with the dropout of fuel assembly, grapple 2 departs from fuel assembly to contract.
Present invention wound is captured in the fuel assembly that can be not only used for lead bismuth nuclear reactor, applies also for marine nuclear power small
Other heap-type such as type heap.Site fuel operation difficulty can be reduced using the design device, simple structure is safe and reliable.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of 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) coordinates through the through hole being arranged in the middle part of support body (3), drive shaft (1) with via clearance,
The part coordinated with grapple (2) in drive shaft (1) is set to multidiameter structure, the part coordinated with grapple (2) in drive shaft (1)
Including Part I (11), Part II (12), Part III (13) and Part IV (14), 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), Part III (13)
Diameter is less than the junction rounding off of the diameter of Part II (12), Part I (11) and Part II (12), the 3rd
Divide the junction rounding off of (13) and Part IV (14)；
The top of the grapple (2) respectively with the lower hinge of support body (3), the bottom of grapple (2) is provided with the bending claws turned up
(24) the first projection for protruding from madial wall (23), is provided with grapple (2) near the top of the madial wall (23) of drive shaft (1)
(21) second raised (22) for protruding from madial wall (23), are provided with the middle part of madial wall (23), below second raised (22)
Madial wall (23) is inclined away from the direction of drive shaft (1), when drive shaft (1) moves to first raised (21) and Part II
(12) when side wall is abutted, second raised (22) reach Part IV (14) place, when drive shaft (1) moves to second raised (22)
When side wall with Part III (13) is abutted, first raised (21) reach 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) is abutted, second raised (22) abut with the side wall of Part III (13), first raised (21) and second
When partly the side wall of (12) is abutted, 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) are including claw bar
(241) and claw hook (242), the lower end of claw bar (241) is affixed with claw hook (242) integral, away from drive shaft on claw bar (241)
(1) on the upside of the claw hook on claw bar lateral wall (2411) and claw hook (242) away from close claw bar (241) lower end of drive shaft (1)
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) is through U-type groove (31), the grapple
(2) top is embedded in U-type groove (31), and the top of grapple (2) is cut with scissors respectively by bearing pin (4) with two side walls of U-type groove (31)
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 |
|---|---|---|---|
| CN201621222294.3U CN206210410U (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 |
|---|---|---|---|
| CN201621222294.3U CN206210410U (en) | 2016-11-14 | 2016-11-14 | A kind of grabbing device of fuel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206210410U true CN206210410U (en) | 2017-05-31 |
Family
ID=58753832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621222294.3U Expired - Fee Related CN206210410U (en) | 2016-11-14 | 2016-11-14 | A kind of grabbing device of fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206210410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409366A (en) * | 2016-11-14 | 2017-02-15 | 清华大学天津高端装备研究院 | Grabbing device for fuel assembly |
-
2016
- 2016-11-14 CN CN201621222294.3U patent/CN206210410U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409366A (en) * | 2016-11-14 | 2017-02-15 | 清华大学天津高端装备研究院 | Grabbing device for fuel assembly |
| CN106409366B (en) * | 2016-11-14 | 2018-01-02 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20211114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |