CN109573807A - The pressure vessel of ocean nuclear power platform reloads with top cover suspender and its hanging method - Google Patents
The pressure vessel of ocean nuclear power platform reloads with top cover suspender and its hanging method Download PDFInfo
- Publication number
- CN109573807A CN109573807A CN201811488605.4A CN201811488605A CN109573807A CN 109573807 A CN109573807 A CN 109573807A CN 201811488605 A CN201811488605 A CN 201811488605A CN 109573807 A CN109573807 A CN 109573807A
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- China
- Prior art keywords
- top cover
- suspender
- end connection
- lifting lug
- pressure vessel
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a kind of pressure vessels of ocean nuclear power platform to reload with top cover suspender and its hanging method, it is related to pressure vessel to reload field, the pressure vessel includes top cover and vessel, the top cover upper surface is equipped with container lifting lug, and primary shield water tank is equipped with around the pressure vessel, the top cover suspender includes upper end connection and lower end force piece, the upper end connection is detachably fixed with the container lifting lug, the lower end force piece is fixedly connected with the upper end connection, the lower end force piece is used to act on primary shield water tank and provides installation downwards and the power dismantled upwards by upper end connection for top cover, the present invention can be used in the pressure vessels top cover lifting and installation operation of ocean nuclear power platform.
Description
Technical field
It reloads field the present invention relates to pressure vessel, and in particular to a kind of pressure vessel of ocean nuclear power platform reloads use
Top cover suspender and its hanging method.
Background technique
Ocean nuclear power platform is marine floating type nuclear power station, and platform heap power is 100MWt × 2 grade, and electrical power is
Service life 40 years, spentnuclear fuel is needed replacing after operation a period of time of platform, fresh fuel is installed, reloads for 25MWe × 2 grade
Period is 1.5 years.Platform from reactor core to draw off spentnuclear fuel, it is necessary to assemble and disassemble pressure vessels top cover.
Currently, reloading for nuclear power station mainly carries out between reactor building and fuel plant, and in reactor building, edge
270 ° of -90 ° of axis directions are equipped with heap chamber pond and refuelling pool.Heap chamber is located at the surface of reactor pit, reactor pressure vessel peace
It is placed in the reactor pit in heap bottom of chamber portion, the shell flange face of reactor pressure vessel is concordant with heap bottom of chamber plate, grasps for reactor refuling
Make to provide to reload and provides necessary operating space with inservice inspection.Heap chamber and refuelling pool are filled with during reactor refuling and contained
Boron water, spentnuclear fuel first have to disassemble pressure vessels top cover before leaving reactor core, and pressure vessels top cover is put into the water that reloads
On top cover storage rack in pond.
And the space layout of ocean nuclear power platform is very different with land nuclear power station, structure is more compact, accordingly
The pressure vessels top cover withdrawal space being capable of providing becomes smaller, simultaneously as the influence of marine environment, causes to carry out disassembly pressure appearance
When device top cover, being easy to appear shaking leads to the case where colliding in disassembly process, is unfavorable for the safety to pressure vessels top cover
Disassembly.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of pressure of ocean nuclear power platform
Container reloads with top cover suspender, and the pressure vessels top cover lifting and installation that can be used in ocean nuclear power platform operate.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of pressure vessel of ocean nuclear power platform changes
Material top cover suspender, the pressure vessel include top cover and vessel, and the top cover upper surface is equipped with container lifting lug, and described
Primary shield water tank is equipped with around pressure vessel, the top cover suspender includes:
Upper end connection, the upper end connection are detachably fixed with the container lifting lug；
Lower end force piece, the lower end force piece are fixedly connected with the upper end connection, and the lower end force piece is used for
It acts on primary shield water tank and provides installation downwards and the power dismantled upwards by upper end connection for top cover.
Based on the above technical solution, the upper end connection includes and the matched bearing in top cover upper surface
Plate, set on the lifting lifting lug of the support plate upper surface and positioning tube set on the support plate lower end surface, the positioning tube with
The top cover outer circle matching.
Based on the above technical solution, the lower end force piece includes:
Pressure-bearing cylinder, the pressure-bearing cylinder are fixed with the upper end connection, and multiple openings are equipped in the pressure-bearing cylinder towards far
Groove from the upper end connection direction；
Baffle, the baffle are fixed with the pressure-bearing cylinder far from described upper end connection one end, the baffle be equipped with
The matched aperture of groove location；
Piston rod, described piston rod one end are set in the groove and the groove are divided into upper space and lower part sky
Between, the piston rod other end passes through the aperture and for acting on primary shield water tank and being top by upper end connection
Lid provides the power installed downwards and dismantled upwards,
Communicating pipe, the communicating pipe are connected to by the through-hole being set on the pressure-bearing cylinder with the upper space, and described
Communicating pipe is used for the upper space internal-filling liquid or drain.
Based on the above technical solution, sealant is equipped between the communicating pipe and the pressure-bearing cylinder.
Based on the above technical solution, the lower end force piece includes multiple hydraulic cylinders, and the hydraulic cylinder is separate
One end of the upper end connection is for acting on primary shield water tank and providing downward peace by upper end connection for top cover
Dress and the power dismantled upwards.
Based on the above technical solution, the lower end force piece is equipped at least three not conllinear displacement sensings
Device.
Based on the above technical solution, the upper end connection is equipped with multiple lifting lug connectors, and the lifting lug connects
Fitting for being detachably fixed with the container lifting lug, the lifting lug connector include two interval settings and with the container lifting lug
The identical Shackle assembly of shape has the space for holding said container lifting lug between two Shackle assemblies.
Based on the above technical solution, the upper end connection is equipped with CCD camera assembly.
The present invention also provides a kind of hanging methods using above-mentioned top cover suspender, comprising the following steps:
Top cover suspender is transferred, acts on lower end force piece on primary shield water tank, and by upper end connection and container
Lifting lug is fixedly connected；
After the top cover that adjusting lower end force piece is secured to top cover suspender drive moves upwards a distance, completion pair
The lifting operation of top cover suspender；
When carrying out installation top cover, decentralization is fixed with the top cover suspender of top cover, is located at top cover on vessel.
Based on the above technical solution, when the top cover suspender for being fixed with top cover being transferred, comprising the following steps: will consolidate
Surely have above the top cover lifting appliance moving of top cover to vessel, transfer the top cover suspender for being fixed with top cover, and adjust top cover to make
It is placed horizontally on vessel, and the top cover suspender and container lifting lug disassembly are removed.
Compared with the prior art, the advantages of the present invention are as follows:
(1) pressure vessel of ocean nuclear power platform of the invention reloads with top cover suspender, and the upper end for passing through setting connects
Part is connect with top cover, provides position to lift by crane and transferring top cover, wherein when carrying out the lifting of top cover or when transferring in place,
By the effect of lower end force piece, it can guarantee that top cover smoothly leaves or transfer the contact surface to top cover and vessel, from
And when top cover being avoided to leave or transfer contact, top cover and its contact surface with vessel collide and cause the damage of the pressure vessel
It is bad.
(2) displacement sensor being arranged, can be during carrying out decentralization top cover, by comparing different displacement sensings
Device, come adjust top cover make its decentralization to when vessel contact surface in horizontality.
(3) CCD camera assembly being arranged can fix top cover suspender with top cover convenient for when carrying out decentralization top cover suspender
Process is observed, to guarantee top cover suspender and top cover Matching installation.
Detailed description of the invention
Fig. 1 is that top cover suspender acts on the structural schematic diagram on pressure vessel in the embodiment of the present invention；
Fig. 2 is a enlarged schematic partial view of Fig. 1 in the embodiment of the present invention；
Fig. 3 is the b enlarged schematic partial view of Fig. 1 in the embodiment of the present invention.
In figure: 1- top cover, 2- vessel, 3- primary shield water tank, the upper end connection of 4-, 41- support plate, 42- lifting
Lifting lug, 43- positioning tube, the lower end 5- force piece, 51- pressure-bearing cylinder, 52- groove, 53- baffle, 54- aperture, 55- piston rod, 56- connect
Siphunculus, 57- through-hole, 6- displacement sensor, 7- lifting lug connector, 8- CCD camera assembly, 9- chamfering.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the pressure vessel that the embodiment of the present invention provides a kind of ocean nuclear power platform reloads to be hung with top cover
Tool, pressure vessel include top cover 1 and vessel 2, and 1 upper surface of top cover is equipped with container lifting lug, and one is equipped with around pressure vessel
Secondary water shielding tank 3, top cover suspender include upper end connection 4 and lower end force piece 5, and upper end connection 4 is used for can with container lifting lug
Disassembly is fixed, and lower end force piece 5 is fixedly connected with upper end connection 4, and lower end force piece 5 is for acting on primary shield water tank 3
Power that is upper and providing installation downwards by upper end connection 4 for top cover 1 and dismantle upwards.
It is connect, complete the lifting to top cover 1 and transferred in place with top cover 1 by the upper end connection 4 of setting, meanwhile,
When the lifting of progress top cover 1 or when transferring in place, lower end force piece 5 can act on the primary shielding around pressure vessel
On water tank 3, keep top cover 1 horizontal and on gentle jack-up or decentralization to the contact surface of top cover 1 and vessel 2, to avoid pushing up
When lid 1 leaves or transfers to contact surface, top cover 1 and its contact surface collision with vessel 2 and the damage for causing the pressure vessel
It is bad, meanwhile, by the setting of the top cover suspender, can be avoided using existing during reactor refuling to heap chamber and the water that reloads
Pond is filled with boron water, and spentnuclear fuel first has to disassemble pressure vessels top cover, pressure vessels top cover is put before leaving reactor core
Enter the operating procedure on the top cover storage rack in refuelling pool, the operation that can be played when reducing disassembly pressure vessels top cover is empty
Between.
Upper end connection 4 includes hanging with the matched support plate 41 in 1 upper surface of top cover, the lifting set on 41 upper surface of support plate
Ear 42 and positioning tube 43 set on 41 lower end surface of support plate, the positioning tube 43 are matched with 1 outer circle of top cover；Wherein, upper end
Connector 4 is equipped with lifting lifting lug 42, is acted on lifting lifting lug 42 by crane, completes the lifting to top cover 1 and transfers just
Position, the positioning tube 43 of setting, can guarantee the top cover suspender transfer to it is matched on top cover 1 when, be not in transverse shifting
The case where, to avoid with the matched support plate 41 in 1 upper surface of top cover occurring that fixed feelings can not be matched with 1 upper surface of top cover
Condition,
Referring to shown in Fig. 1 and Fig. 3, it is preferable that lower end force piece 5 includes:
The fixed pressure-bearing cylinder 51 with upper end connection 4, pressure-bearing cylinder 51 is interior to be directed away from end connection 4 equipped with multiple openings
The groove 52 in direction；
The baffle 53 fixed far from upper 4 one end of end connection, baffle 53 are equipped with and 52 position of groove with pressure-bearing cylinder 51
The aperture 54 matched；
Piston rod 55,55 one end of piston rod are set in groove 52 and divide groove 52 for upper space and lower space, work
55 other end of stopper rod passes through aperture 54 and for acting on primary shield water tank 3 and being that top cover 1 provides by upper end connection 4
The power installed downwards and dismantled upwards,
Communicating pipe 56, communicating pipe 56 is connected to by the through-hole 57 being set on pressure-bearing cylinder 51 with upper space, and communicating pipe 56
For to upper space internal-filling liquid or drain.
Pass through communicating pipe 56 when carrying out jacking and the lowering operation to top cover 1 by the setting of the lower end force piece 5
The upper space of case groove 52 carries out filling liquid or drain, so that piston rod 55 is supported and is moved towards primary shield water tank 3, or make to live
Stopper rod 55 is moved into groove 52, to complete the jacking or lowering operation to top cover 1；Wherein, between communicating pipe 56 and pressure-bearing cylinder 51
The leakproofness between communicating pipe 56 and pressure-bearing cylinder 51 can be improved by the setting of sealant equipped with sealant, to improve use
Accuracy and accuracy when 5 structure of lower end force piece is adjusted, simultaneously, additionally it is possible to avoid leading since leakproofness is poor
There is the case where leakage in cause, causes the pollution to pressure vessel.
The lower end force piece 5 can also be including multiple hydraulic cylinders, and hydraulic cylinder is used for far from one end of upper end connection 4
It acts on primary shield water tank 3 and is that top cover 1 provides installation downwards and the power dismantled upwards by upper end connection 4, directly
The setting of multiple hydraulic cylinders was connected, to complete the jacking and lowering operation to top cover suspender, and hydraulic cylinder belongs to construction site
Common tool has the characteristics that easily to obtain, convenient for replacing the hydraulic cylinder of damage.
Referring to figure 1 and figure 2, lower end force piece 5 is equipped at least three not conllinear displacement sensors 6, passes through position
The setting of displacement sensor 6, can be during being transferred or being jacked top cover 1, through the ginseng for comparing different displacement sensors 6
Number, to adjust the levelness of top cover 1, so that it is transferred extremely and when vessel contact surface or when jacking disengages face, top cover 1
In horizontality, can be avoided when top cover 1 is not horizontal, top cover 1 and its collide with 2 contact surface of vessel, and lead
Pressure vessel is caused to damage, so that the security performance during the pressure vessel is reloaded is improved, to mention accordingly
The high service life of the pressure vessel.
Shown in Figure 1, the support plate 41 of upper end connection 4 is equipped with multiple lifting lug connectors 7, and lifting lug connector 7 is used
It is detachably fixed in container lifting lug, lifting lug connector 7 includes two interval settings and lifting lug group identical with container lifting lug shape
Part there is the space for accommodating container lifting lug can make container by the setting of the lifting lug connector 7 between two Shackle assemblies
Lifting lug is fixed between two Shackle assemblies and through fixing pieces such as bolts, and the interval setting of two Shackle assemblies, forms class
Like the structure of fixture, can be improved the stability maintenance of the lifting lug connector 7 and container lifting lug, guarantee the lifting lug connector 7 with
The case where being not in loosening in the fixation procedure of container lifting lug.
The support plate 41 of upper end connection 4 is equipped with CCD camera assembly 8 can be convenient for by the setting of CCD camera assembly 8
When carrying out decentralization top cover suspender, top cover suspender and 1 fixation procedure of top cover are observed, to guarantee top cover suspender and top cover 1
Secure match installation avoids top cover suspender and top cover 1 that installation is fixed or dismantle when separating, due to that can not be observed
Adjustment causes top cover suspender and top cover 1 to collide and the damage of top cover suspender or top cover 1 occurs, then passes through CCD camera assembly 8
The service life for having accordingly increased the top cover 1 and top cover suspender is set, the recycling property of the top cover suspender is improved.
The inner wall of the one end of lower end force piece 5 far from support plate 41 is equipped with chamfering 9, by the chamfering 9 of setting, can into
When row transfers the top cover suspender, it is set in the outer circle of top cover 1 convenient for the top cover suspender, to reduce top cover suspender and top cover 1
The time is transferred in matching when being arranged, slings the time to reduce the top cover 1, and then increase the efficiency of whole operating condition.
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention also provides a kind of hanging method using above-mentioned top cover suspender, packet
Include following steps:
Top cover suspender is transferred, and matches positioning tube 43 with top cover 1；
Lower end force piece 5 is acted on primary shield water tank 3, and upper end connection 4 is fixedly connected with container lifting lug；
After the top cover 1 that adjusting lower end force piece 5 is secured to top cover suspender drive moves upwards a distance, complete
To the lifting operation of top cover suspender；
When carrying out installation top cover 1, decentralization is fixed with the top cover suspender of top cover 1, is located at top cover 1 on vessel 2.
When by the top cover suspender decentralization for being fixed with top cover 1, comprising the following steps: move the top cover suspender for being fixed with top cover 1
It moves to 2 top of vessel, transfers the top cover suspender for being fixed with top cover 1, and adjusting top cover 1 makes it be placed horizontally at container sheet
On body 2, top cover suspender and the disassembly of container lifting lug are removed.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of pressure vessel of ocean nuclear power platform reloads with top cover suspender, the pressure vessel includes top cover (1) and holds
Device ontology (2), top cover (1) upper surface are equipped with container lifting lug, and primary shield water tank is equipped with around the pressure vessel
(3), which is characterized in that the top cover suspender includes:
Upper end connection (4), the upper end connection (4) are detachably fixed with the container lifting lug；
Lower end force piece (5), the lower end force piece (5) are fixedly connected with the upper end connection (4), the lower end force piece
(5) for act on primary shield water tank (3) and by upper end connection (4) be top cover (1) provide installation downwards with upwards
The power of disassembly.
2. a kind of pressure vessel of ocean nuclear power platform as described in claim 1 reloads with top cover suspender, which is characterized in that
The upper end connection (4) includes with the matched support plate in the top cover (1) upper surface (41), on the support plate (41)
The lifting lifting lug (42) of end face and be set to the support plate (41) lower end surface positioning tube (43), the positioning tube (43) with it is described
The matching of top cover (1) outer circle.
3. a kind of pressure vessel of ocean nuclear power platform as described in claim 1 reloads with top cover suspender, which is characterized in that
The lower end force piece (5) includes:
Pressure-bearing cylinder (51), the pressure-bearing cylinder (51) and the upper end connection (4) are fixed, are equipped in the pressure-bearing cylinder (51) multiple
Opening is directed away from the groove (52) in upper end connection (4) direction；
Baffle (53), the baffle (53) are fixed with the pressure-bearing cylinder (51) far from described upper end connection (4) one end, the gear
Plate (53) is equipped with the aperture (54) with the groove (52) location matches；
Piston rod (55), described piston rod (55) one end are set in the groove (52) and the groove (52) are divided into top sky
Between and lower space, piston rod (55) other end pass through the aperture (54) and for acting on primary shield water tank (3)
It is above and by upper end connection (4) power that top cover (1) provides installation downwards and dismantles upwards,
Communicating pipe (56), the communicating pipe (56) pass through the through-hole (57) and the upper space on the pressure-bearing cylinder (51)
Connection, and the communicating pipe (56) is used for the upper space internal-filling liquid or drain.
4. a kind of pressure vessel of ocean nuclear power platform as claimed in claim 3 reloads with top cover suspender, it is characterised in that:
Sealant is equipped between the communicating pipe (56) and the pressure-bearing cylinder (51).
5. a kind of pressure vessel of ocean nuclear power platform as described in claim 1 reloads with top cover suspender, it is characterised in that:
The lower end force piece (5) includes multiple hydraulic cylinders, and the one end of the hydraulic cylinder far from the upper end connection (4) is for making
It is top cover (1) offer installation downwards on primary shield water tank (3) and through upper end connection (4) and dismantles upwards dynamic
Power.
6. a kind of pressure vessel of ocean nuclear power platform as described in claim 1 reloads with top cover suspender, it is characterised in that:
The lower end force piece (5) is equipped at least three not conllinear displacement sensors (6).
7. a kind of pressure vessel of ocean nuclear power platform as described in claim 1 reloads with top cover suspender, it is characterised in that:
The upper end connection (4) is equipped with multiple lifting lug connectors (7), and the lifting lug connector (7) is used for and the container lifting lug
It being detachably fixed, the lifting lug connector (7) includes two interval settings and Shackle assembly identical with the container lifting lug shape,
There is the space for holding said container lifting lug between two Shackle assemblies.
8. a kind of pressure vessel of ocean nuclear power platform as described in claim 1 reloads with top cover suspender, it is characterised in that:
The upper end connection (4) is equipped with CCD camera assembly (8).
9. a kind of hanging method using top cover suspender as described in claim 1, which comprises the following steps:
Top cover suspender is transferred, acts on lower end force piece (5) on primary shield water tank (3), and by upper end connection (4) with
Container lifting lug is fixedly connected；
After the top cover (1) that adjusting lower end force piece (5) is secured to top cover suspender drive moves upwards a distance, complete
To the lifting operation of top cover suspender；
When carrying out installation top cover (1), decentralization is fixed with the top cover suspender of top cover (1), and top cover (1) is made to be located at vessel (2)
On.
10. hanging method as claimed in claim 9, which is characterized in that when the top cover suspender for being fixed with top cover (1) is transferred,
The following steps are included: will be fixed with above top cover lifting appliance moving to the vessel (2) of top cover (1), transfers this and be fixed with top cover
(1) top cover suspender, and adjusting top cover (1) is placed horizontally at it on vessel (2), by the top cover suspender and the appearance
The disassembly of device lifting lug removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488605.4A CN109573807B (en) | 2018-12-06 | 2018-12-06 | Top cover lifting appliance for pressure vessel reloading of ocean nuclear power platform and lifting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488605.4A CN109573807B (en) | 2018-12-06 | 2018-12-06 | Top cover lifting appliance for pressure vessel reloading of ocean nuclear power platform and lifting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109573807A true CN109573807A (en) | 2019-04-05 |
| CN109573807B CN109573807B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811488605.4A Active CN109573807B (en) | 2018-12-06 | 2018-12-06 | Top cover lifting appliance for pressure vessel reloading of ocean nuclear power platform and lifting method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950237A (en) * | 2019-11-11 | 2020-04-03 | 中国船舶重工集团公司第七一九研究所 | Top cover lifting appliance suitable for offshore loading and unloading of pressure vessel top cover |
| CN111776137A (en) * | 2020-06-30 | 2020-10-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Installation device and installation method for marine nuclear power platform equipment gate |
| CN115512864A (en) * | 2022-09-19 | 2022-12-23 | 上海核工程研究设计院有限公司 | Reactor loading and reloading system and method with cover opened downwards |
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