CN106710650B - A kind of reactor top reflecting layer more changing device - Google Patents
A kind of reactor top reflecting layer more changing device Download PDFInfo
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- CN106710650B CN106710650B CN201710049169.XA CN201710049169A CN106710650B CN 106710650 B CN106710650 B CN 106710650B CN 201710049169 A CN201710049169 A CN 201710049169A CN 106710650 B CN106710650 B CN 106710650B
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- support tube
- reflecting layer
- reactor
- gear
- changing device
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- 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
-
- 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
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention provides a kind of reactor top reflecting layer more changing devices, are made of rotating mechanism, connecting pin, upper support tube, lifter rack, riser guide, lower support tube, elevating mechanism, translation mechanism and grasping mechanism；Rotating mechanism realization circumferentially rotates function in reactor, lifter rack, riser guide and elevating mechanism realize the vertical lift function in reactor, translation mechanism realizes the function that moves radially in reactor, and grasping mechanism realizes the motion process of crawl movement.Beneficial effect is the multiple degrees of freedom compound motion by device, it can be open in the narrow huge reactor inner casing of internal capacity, realize the crawl and replacement operation to the reflecting layer heap Nei Ding metal block, the locking of claw, improves the safety and accuracy of crawl movement during effective realization crawl.
Description
Technical field
The invention belongs to nuclear equipment fields, more particularly, to a kind of crawl for reactor top reflecting layer metal block and more
The device changed, suitable for the crawl, handling of dependency structure object and device in the huge large container of narrow internal capacity that is open, more
The reactor top reflecting layer more changing device of operations such as change.
Background technique
It is huge by the narrow internal capacity of shell opener in reactor at present in the design of reactor top reflecting layer more changing device
The limitation of design feature, the device for the replacement of reactor top reflecting layer is often excessively complicated, and the freedom of motion of device exists
Excessive or very few problem, and effective holding of claw seized condition during grabbing device crawl is not considered, it can not be high
Effect, the reliable crawl for realizing metal block and replacement process.The equipment requirement high reliablity that reactor uses, safety is good, this
The designed mechanism of invention meets these features.
Summary of the invention
In view of this, the present invention is directed to propose a kind of reactor top reflecting layer more changing device, passes through the multiple degrees of freedom of device
Compound motion can be open in the narrow huge reactor inner casing of internal capacity, realize to the reflecting layer heap Nei Ding metal block
Crawl and replacement operation, the locking of claw, improves the safety and accuracy of crawl movement during effective realization crawl.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of reactor top reflecting layer more changing device, it is characterised in that：From top to bottom it is disposed with rotating mechanism, connection
Pin, upper support tube, lifter rack, riser guide, lower support tube, elevating mechanism, translation mechanism and grasping mechanism are constituted；Described turn
Motivation structure is connected to the upper support tube upper end by the connecting pin, and the upper support tube and the lower support tube pass through bolt
It is fixed together, the lifter rack, the riser guide, the elevating mechanism, the translation mechanism and the grasping mechanism
It is fixedly connected between the upper support tube and the lower support tube, the rotating mechanism realizes circumferentially rotating in reactor
Function, the lifter rack, the riser guide and the elevating mechanism realize the vertical lift function in reactor, described
Translation mechanism realizes the function that moves radially in reactor, and the grasping mechanism realizes the motion process of crawl movement.
Further, the rotating mechanism include the first worm gear mechanism, gear mechanism, shaft, support frame and its
His support member.First worm gear mechanism, the gear mechanism and the shaft are fixed on support frame as described above, power
It is transmitted in the shaft by the worm screw, the gear mechanism, the shaft lower end passes through the connecting pin and the upper branch
Support cylinder connection.
Further, the upper support tube and the lower support tube are fixed together by bolt, be the lifter rack,
The riser guide, the elevating mechanism, the translation mechanism and the grasping mechanism provide support and fix.
Further, the lifter rack mechanism includes lifter rack and the first fixed flange, the lifter rack machine
Structure is connected on the upper support tube and the lower support tube inner wall by bolt, by nibbling with the gear of the elevating mechanism
It closes, completes the elevating movement of the elevating mechanism.
Further, the riser guide mechanism includes riser guide, the second fixed flange and guide rail card slot, the liter
Drop guide rail mechanism is connected on the upper support tube, the lower support tube and self-powered platform by bolt.
Further, the elevating mechanism include driving mechanism, uni-drive gear box, self-powered platform and other support with
Connecting element is constituted, and the driving mechanism drives the uni-drive gear box middle gear rotation, and gear passes through mutual with lifter rack
Engagement realizes that the self-powered platform completes elevating movement along the riser guide.
Further, the translation mechanism includes translation fixed frame, the second worm gear mechanism, gear and rack teeth mechanism, puts down
It moves guide rail mechanism, translational worktable and other connections to form with support component, after worm gear is driven, be transmitted to together by worm screw
The gear of axis, then engaged by gear, rack gear, realize translational worktable along the translational motion of translating rails.
Further, the grasping mechanism includes top fixed support portion and gripping portion.
Further, the top fixed support portion includes driving mechanism, pin shaft connector, retaining ring, ball, spiral bullet
It is spring, ball assembly, central axis, ring flange, connecting cylinder, pedestal, connecting flange, inner sleeve, big spring, tabletting spring, middle cylinder, outer
Sleeve and bottom block plate.The pedestal upper end is fixedly connected by bolt with the translational worktable of the translation mechanism, lower end
It is fixedly connected with the middle cylinder, forms the main support part of grasping mechanism；The ring flange, the connecting cylinder, the connection
Flange, the outer sleeve are fixedly connected sequentially together from top to bottom, and are mounted on main support section by the ball assembly,
Wherein the tabletting spring circumferentially compresses and connects the flange；The inner sleeve is connect by the big spring with the connecting cylinder
Together, the bottom baffle and the inner sleeve are bolted together, the central axis by helical spring with it is described
Ring flange links together, and the helical spring compresses the function that the central axis plays limit self.
Further, the gripping portion includes the composition such as attachment base, connecting pin, claw and spring；The attachment base is logical
It crosses bolt to link together with the connecting cylinder, the claw is connected on the attachment base by the connecting pin, the bullet
Spring is connected between the two neighboring claw, realizes self-locking limit function by compressing the claw.
The present invention realizes that the specific transmission process of crawl replacement process is：
(1) elevating movement：--- drive gear mechanism --- rack and pinion engagement --- lifting platform is along lifting for driving motor
Guide rail movement --- the elevating movement of grasping mechanism, translation mechanism are mounted on lifting platform, and grasping mechanism is mounted on translation work
On platform, therefore elevating movement has passed to grasping mechanism by self-powered platform, translational worktable；
(2) it circumferentially rotates：Driving motor --- worm gear mechanism --- drive gear mechanism --- transmission shaft --- is upper,
Lower support tube, transmission shaft are connect by connecting pin with upper support tube, and upper and lower support tube is fixed together by bolt, therefore are passed
The rotation of moving axis is transmitted to upper and lower support tube, upper and lower support tube rotation --- elevating mechanism rotation, elevating mechanism by pin shaft
Four groups of riser guides and two groups of lifter racks be installed on the inner wall of upper and lower support tube, therefore support tube rotation transmitting
To elevating mechanism, --- translation mechanism rotation, the translating rack and translating rails of translation mechanism are mounted on self-powered platform, because
The rotation of this elevating mechanism is transmitted to translation mechanism --- and grasping mechanism rotation, grasping mechanism are mounted on translational worktable and translate
The rotation of mechanism is transmitted to crawl transposition, is directly connected by each mechanism, and the final crawl that turns to for realizing rotating mechanism fills
Set the transmitting circumferentially rotated；
(3) radial translation moves：Driving motor --- worm and gear --- transmission gear --- rack-and-pinion --- translation
Workbench is moved along the radial translation of translating rails --- and the translational motion of grabbing device, grabbing device are mounted on translational worktable
On；
(4) clamping of handgrip claw with loosen：Mentioning on central axis causes claw to shrink, and handgrip enters crawl hole；Central axis
Make downwards to open outside claw, handgrip clamping grabs hole internal holes upper arm, and then is grabbed.
Compared with the existing technology, a kind of reactor top reflecting layer of the present invention more changing device has the advantage that：
The present invention is according to top reflecting layer present position, the arrangement of metal block and reactor internal capacity is big but entrance
Locate relatively narrow feature, devises comprising the realization handgrip including rotating mechanism, elevating mechanism, translation mechanism, grasping mechanism
The more changing device for circumferentially rotating, be vertically moved up or down, moving radially and grabbing movement in heap, is grabbed by what these structures were realized
The crawl requirement of the reflecting layer reactor Nei Ding metal block can be completely covered in the motion range of the compound motion of hand.The driving of the device
Handgrip complete crawl motion process be:Handgrip vertically descends through reactor narrow entrance openings and enters in heap, and handgrip circumferentially rotates
Be directed toward metal block to be grabbed, circumferentially rotate with move radially simultaneously carry out finally realize three handgrips be directed at metal block to be grabbed
Hole is grabbed, handgrip is driven contraction claw, and handgrip is vertically lowered into metal block to be grabbed crawl hole, and handgrip is driven tightening
Claw clamping grabs hole, and handgrip above mentions vertically, completes the crawl of metal block and above mentions, then according to the mistake entered in heap with handgrip
The inverse process of journey completes above mentioning for handgrip, finally controls the storage area that metal block is placed on formulation by handgrip, completes metal block
Crawl and placement；The placement of new metal block carries out operation according to the inverse process grabbed with metal block and completes reactor top reflecting layer gold
Belong to the replacement of block.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the general structure schematic diagram of the embodiment of the present invention；
Attached drawing 2 is rotating mechanism structural schematic diagram；
Attached drawing 3 is upper support tube cross section structure schematic diagram；
Attached drawing 4 is lifting gear mechanism front view；
Attached drawing 5 is lifting gear mechanism cross section structure schematic diagram；
Attached drawing 6 is riser guide mechanism front view；
Attached drawing 7 is riser guide mechanism cross section structure；
Attached drawing 8 is elevating mechanism structural schematic diagram；
Attached drawing 9 is translation mechanism structural schematic diagram；
Attached drawing 10 is grasping mechanism general structure schematic diagram；
Attached drawing 11 is the top fixed support portion structural schematic diagram of grasping mechanism；
Attached drawing 12 is the structural schematic diagram of the gripping portion of grasping mechanism；
Attached drawing 13 is the Section A-A structure chart of grasping mechanism；
Attached drawing 14 is top reflection layer structure schematic diagram；
Attached drawing 15 is top reflecting layer metal block arrangement schematic diagram；
Attached drawing 16 is that elevating mechanism moves downward schematic diagram；
Attached drawing 17 is that the movement of translation mechanism radial translation with rotating mechanism circumferentially rotates process schematic.
Attached drawing 18 is that metal block recycles action process schematic diagram.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in attached drawing 14 and attached drawing 15, the present invention according to top reflecting layer present position, metal block arrangement and
The feature that reactor internal capacity is big but inlet is relatively narrow, devises comprising rotating mechanism 1, elevating mechanism 7, translation mechanism
8, the realization handgrip including grasping mechanism 9 circumferentially rotates, is vertically moved up or down, moves radially and grabs more changing the outfit for movement in heap
It sets.
As shown in Figure 1, the present invention by rotating mechanism 1, connecting pin 2, upper support tube 3, lifter rack 4, riser guide 5, under
Support tube 6, elevating mechanism 7, translation mechanism 8 and grasping mechanism 9 are constituted.
As shown in Fig. 2, rotating mechanism 1 is mainly by the first worm gear mechanism 1-1, gear mechanism 1-2, shaft 1-3, branch
Support 1-4 and other support members are constituted.First worm gear mechanism 1-1, gear mechanism 1-2 and shaft 1-3 are each attached to
On support frame, power is transmitted in shaft by worm screw, gear mechanism, realizes the rotation of shaft.Shaft lower end by connecting pin 2 with
Upper support tube 3 connects, to realize the rotation of end device under shaft rotate driving.
Attached drawing 3 is the cross section structure of upper support tube 3, and upper support tube 3, lower support tube 6 are fixed together by bolt, mainly
It plays and provides support and fixed work for lifter rack 4, riser guide 5, elevating mechanism 7, translation mechanism 8 and grasping mechanism 9 etc.
With.
Attached drawing 4 and attached drawing 5 are lifter rack, are mainly made of lifter rack 4-1 and fixed flange 4-2, pass through bolt
It is connected on support tube 3 and lower 6 inner wall of support tube, installation site is shown in the location of its in attached drawing 8.By being filled with lifting
The gear engagement set, completes the elevating movement of lifting device.
Attached drawing 6 and attached drawing 7 are riser guide, mainly by riser guide 5-1, fixed flange 5-2 and guide rail card slot 5-3 structure
At upper support tube 3 being connected in, on lower support tube 6 and self-powered platform by bolt, locating for installation site as its in attached drawing 8
Position.Guide rail is mainly that entire 7 elevating movement of elevating mechanism provides guiding role.
Attached drawing 8 be elevating mechanism, mainly by driving mechanism 7-2, uni-drive gear box 7-1, self-powered platform 7-3 and other
Support is constituted with connecting element, and driving mechanism drives the rotation of uni-drive gear box middle gear, and gear with lifter rack by mutually nibbling
It closes, realizes self-powered platform 7-3 along the elevating movement of riser guide 5.
Attached drawing 9 be translation mechanism, mainly by translation fixed frame 8-1, worm gear mechanism 8-2, gear and rack teeth mechanism 8-3,
Translating rails mechanism 8-4, translational worktable 8-5 and other connections are formed with support component, after worm gear is driven, pass through worm screw
It is transmitted to coaxial gear, then is engaged by gear, rack gear, realizes translational worktable along the translational motion of translating rails.
Attached drawing 10 is grasping mechanism, is made of top fixed support portion 9-A and gripping portion 9-B.
Attached drawing 11 be top fixed support portion by driving mechanism 9-1, pin shaft connector 9-2, retaining ring 9-3, ball 9-4,
Helical spring 9-5, ball assembly 9-6, central axis 9-7, ring flange 9-8, connecting cylinder 9-9, pedestal 9-10, connecting flange 9-11,
Inner sleeve 9-12, big spring 9-13, tabletting spring 9-14, middle cylinder 9-15, outer sleeve 9-16, bottom block plate 9-17 composition.Pedestal 9-
10 upper ends are connected by the translational worktable 8-5 of bolt and translation mechanism 8, and lower end and middle cylinder 9-15 are connected, and form grasping mechanism
Main support part；Ring flange 9-8, connecting cylinder 9-9, connecting flange 9-11, outer sleeve 9-16 are successively connected in from top to bottom
It is mounted on main support section together and by ball assembly 9-6, wherein tabletting spring 9-14 circumferential direction press joining method orchid 9-11, risen
To the effect for compressing positioning；Inner sleeve 9-12 is linked together by big spring 9-13 and connecting cylinder 9-9, bottom baffle 9-17 with it is interior
Sleeve 9-12 is bolted together.Central axis 9-7 is linked together by helical spring 9-5 and ring flange 9-8, spiral
Spring 9-5 compresses the function that central axis 9-7 plays limit self.
12 gripping portion of attached drawing is mainly made of attachment base 9-18, connecting pin 9-19, claw 9-20, spring 9-21 etc..Even
Joint chair 9-18 is linked together by bolt and connecting cylinder 9-9, and claw 9-20 is connected to attachment base 9-18 by connecting pin 9-19
On, spring 9-21 is connected between two neighboring claw 9-20, realizes self-locking limit function by compressing claw 9-20.Attached drawing 13
For grasping mechanism cross section structure schematic diagram, 3 claw 9-20 are uniformly distributed circumferentially, and when crawl realizes three point contact, so that grabbing
Take process more steady.
Attached drawing 14 is top reflection layer structure, and outer layer A is mixed mud structure sheaf, and B is pile envelope, and C is top reflecting layer knot
Structure, D are graphite block structure.The arrangement that C pushes up reflecting layer metal block is as shown in Fig. 13, is circumferentially evenly equipped with 24 blocks of fan-shaped metals
There is one piece of circular metal block at block, center, is entrenched togather between metal block by card slot, collectively constitute discoidal top reflecting layer
Structure plays the role of a compression to the graphite block of lower end.
Attached drawing 16,17,18 is that the driving handgrip of device completes the motion process of crawl：Handgrip vertically descends through reactor
Narrow entrance openings enter in heap, and handgrip, which circumferentially rotates, is directed toward metal block to be grabbed, and it is final to circumferentially rotate and move radially progress simultaneously
Realize that three handgrips are directed at the crawl hole of metal block to be grabbed, handgrip is driven contraction claw, and handgrip is vertically lowered into wait grab
Take in metal block crawl hole, handgrip is driven tightening claw clamping crawl hole, and handgrip above mentions vertically, complete the crawl of metal block with
It above mentions, then completes above mentioning for handgrip according to the inverse process of the process entered in heap with handgrip, finally control handgrip for metal block
It is placed on the storage area of formulation, completes the crawl and placement of metal block；The placement of new metal block is inverse according to grabbing with metal block
Process carries out the replacement that reactor top reflecting layer metal block is completed in operation.
The present invention is applied not only to the crawl and replacement of reactor top reflecting layer metal block, is equally applicable to the narrow inside that is open
Crawl, handling, replacement of dependency structure object and device etc. operate in the huge large container of volume.Present apparatus movement is flexible, ties
Structure is simple and reliable, and the stability and safety of crawl process can be improved using the design device, facilitate the in-site installation of equipment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of reactor top reflecting layer more changing device, it is characterised in that：From top to bottom it is disposed with rotating mechanism, connection
Pin, upper support tube, lifter rack, riser guide, lower support tube, elevating mechanism, translation mechanism and grasping mechanism are constituted；Described turn
Motivation structure is connected to the upper support tube upper end by the connecting pin, and the upper support tube and the lower support tube pass through bolt
It is fixed together, the lifter rack, the riser guide, the elevating mechanism, the translation mechanism and the grasping mechanism
It is fixedly connected between the upper support tube and the lower support tube, the rotating mechanism realizes circumferentially rotating in reactor
Function, the lifter rack, the riser guide and the elevating mechanism realize the vertical lift function in reactor, described
Translation mechanism realizes the function that moves radially in reactor, and the grasping mechanism realizes the motion process of crawl movement.
2. reactor top according to claim 1 reflecting layer more changing device, it is characterised in that：The rotating mechanism includes the
One worm gear mechanism, gear mechanism, shaft, support frame and other support members, it is first worm gear mechanism, described
Gear mechanism and the shaft are fixed on support frame as described above, and power is by first worm gear mechanism, the gear mechanism
It is transmitted in the shaft, the shaft lower end is connect by the connecting pin with the upper support tube.
3. reactor top according to claim 1 reflecting layer more changing device, it is characterised in that：The upper support tube and described
Lower support tube is fixed together by bolt, is the lifter rack, the riser guide, the elevating mechanism, the translation
Mechanism and the grasping mechanism provide support and fix.
4. reactor top according to claim 1 reflecting layer more changing device, it is characterised in that：It further include lifter rack machine
Structure, the lifter rack mechanism include lifter rack and the first fixed flange, and the lifter rack mechanism is connected by bolt
On the upper support tube and the lower support tube inner wall, by engaging with the gear of the elevating mechanism, the lifting is completed
The elevating movement of mechanism.
5. reactor top according to claim 1 reflecting layer more changing device, it is characterised in that：It further include riser guide machine
Structure, the riser guide mechanism include the first riser guide, the second fixed flange and guide rail card slot, the riser guide mechanism
It is connected on the upper support tube, the lower support tube and self-powered platform by bolt.
6. reactor top according to claim 1 reflecting layer more changing device, it is characterised in that：The elevating mechanism includes driving
Motivation structure, uni-drive gear box, self-powered platform and other supports are constituted with connecting element, and the driving mechanism drives the biography
The rotation of movable tooth roller box middle gear, gear realize that the self-powered platform is led along the lifting by being intermeshed with lifter rack
Rail completes elevating movement.
7. reactor top according to claim 1 reflecting layer more changing device, it is characterised in that：The translation mechanism includes flat
Move fixed frame, the second worm gear mechanism, gear and rack teeth mechanism, translating rails mechanism, translational worktable and other connection with
Support component composition after worm gear is driven, coaxial gear is transmitted to by worm screw, then engage by gear, rack gear, realized flat
Workbench is moved along the translational motion of translating rails.
8. reactor top according to claim 7 reflecting layer more changing device, it is characterised in that：The grasping mechanism includes upper
Portion's fixed support portion and gripping portion.
9. reactor top according to claim 8 reflecting layer more changing device, it is characterised in that：The top fixed support portion
Divide includes driving mechanism, pin shaft connector, retaining ring, ball, helical spring, ball assembly, central axis, ring flange, connecting cylinder, bottom
Seat, connecting flange, inner sleeve, big spring, tabletting spring, middle cylinder, outer sleeve and bottom block plate, the pedestal upper end by bolt with
The translational worktable of translation mechanism is fixedly connected, and lower end is fixedly connected with the middle cylinder, forms the main branch of grasping mechanism
Support part point；The ring flange, the connecting cylinder, the connecting flange, the outer sleeve are fixedly connected sequentially from top to bottom one
It rises, and main support part is mounted on by the ball assembly, wherein the tabletting spring circumferentially compresses the connecting flange；
The inner sleeve is linked together by the big spring and the connecting cylinder, and the bottom block plate and the inner sleeve pass through bolt
It links together, the central axis is linked together by helical spring and the ring flange, described in the helical spring compression
Central axis plays the function of limit self.
10. reactor top according to claim 9 reflecting layer more changing device, it is characterised in that：The gripping portion includes
Attachment base, connecting pin, claw and spring composition；The attachment base is linked together by bolt and connecting cylinder, and the claw is logical
It crosses the connecting pin to be connected on the attachment base, the spring is connected between the two neighboring claw, by compressing institute
It states claw and realizes self-locking limit function.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049169.XA CN106710650B (en) | 2017-01-19 | 2017-01-19 | A kind of reactor top reflecting layer more changing device |
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| CN201710049169.XA CN106710650B (en) | 2017-01-19 | 2017-01-19 | A kind of reactor top reflecting layer more changing device |
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| CN106710650B true CN106710650B (en) | 2018-11-20 |
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| CN107123446A (en) * | 2017-06-08 | 2017-09-01 | 清华大学天津高端装备研究院 | A kind of ADS heaps top heat-proof device and nuclear reactor |
| CN107393614A (en) * | 2017-07-31 | 2017-11-24 | 清华大学天津高端装备研究院 | The grasping mechanism of graphite block in a kind of reactor |
| CN108630331B (en) * | 2018-06-11 | 2024-01-02 | 中广核研究院有限公司 | A reload machine and reload unit for loading and unloading of reactor fuel assembly |
| CN110556187B (en) * | 2019-09-18 | 2020-10-27 | 中国核动力研究设计院 | Automatic grabbing and lifting device in reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004085373A (en) * | 2002-08-27 | 2004-03-18 | Mitsubishi Heavy Ind Ltd | Neutron reflector back structure |
| CN200991897Y (en) * | 2006-12-30 | 2007-12-19 | 中国科学院光电技术研究所 | Under water long-pole catching device with pick-up camera |
| CN103663262B (en) * | 2012-09-03 | 2016-02-10 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Lifting mechanism and the substrate loading device with it |
| US20140146934A1 (en) * | 2012-11-29 | 2014-05-29 | Robert M. Daily, III | Compact Liquid Metal Cooled Spherical Fast Neutron Reactor Core Design |
| CN104749242A (en) * | 2013-12-31 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Vertical probe pushing-pulling device for eddy current test for heat transfer tube of horizontal steam generator |
| CN104051035B (en) * | 2014-07-02 | 2016-09-28 | 中国科学院合肥物质科学研究院 | A kind of for liquid heavy metal reactor core unit replacement device |
| CN105551545B (en) * | 2016-01-12 | 2017-10-17 | 中广核研究院有限公司 | The material-changing device and method of fuel assembly |
| CN206833935U (en) * | 2017-01-19 | 2018-01-02 | 清华大学天津高端装备研究院 | A kind of reactor top reflecting layer more changing device |
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