CN202465194U - Large-size modularized component transporting device of steel containment vessel of nuclear power station nuclear island - Google Patents
Large-size modularized component transporting device of steel containment vessel of nuclear power station nuclear island Download PDFInfo
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- CN202465194U CN202465194U CN2011205662132U CN201120566213U CN202465194U CN 202465194 U CN202465194 U CN 202465194U CN 2011205662132 U CN2011205662132 U CN 2011205662132U CN 201120566213 U CN201120566213 U CN 201120566213U CN 202465194 U CN202465194 U CN 202465194U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model aims to provide a large-size modularized component transporting device of a steel containment vessel of a nuclear power station nuclear island and solves the transporting problem of a large-size modularized component. A bottom head transporting bracket device in the transporting device comprises platform lorries and brackets, wherein each bracket comprises a plurality of jack supports; each jack support comprises a fixing seat, a jack, a slide rod, a lower hinging seat and an upper hinging seat; the fixing seat is cylindrical and is internally provided with the jack; the upper part of the jack is connected with the slide rod and the slide rod is inserted on the fixings seat to form a slide pair with the fixing seat; the upper part of the slide rod is fixedly provided with the lower hinging seat and the upper hinging seat is hinged with the lower hinging seat; the bracket is provided with a plurality of the jack supports to be arrayed in rows; the upper hinging seats of the jack supports are located in one arc-shaped face; four platform lorries are arranged in a square shape and the platform lorries are connected together trough platform lorry connecting plates; and one bracket is loaded on each platform lorry.
Description
Technical Field
The utility model relates to a conveyer especially relates to the conveyer of large-scale component.
Background
The steel containment CV is built by adopting an AP1000 nuclear power technology of American West House company, the AP1000 is an advanced passive pressurized water reactor nuclear power technology, and the AP1000 has the biggest characteristics of simple design and easy operation, fully utilizes a plurality of passive safety systems, further improves the safety of a nuclear power station, and can also obviously reduce the cost of nuclear power unit construction and long-term operation.
A steel Containment (CV) is core equipment on a main construction path of an AP1000 nuclear power project, is an inner layer shielding structure of a reactor plant of an AP1000 nuclear power station, is an important safety barrier of the AP1000 nuclear power station, and can contain radiation from a reactor core in a coolant loss accident of the reactor.
The steel containment is a cylindrical container and consists of a cylindrical barrel in the middle and two 'bottom of a boiler' shaped end sockets (a bottom end socket and a top end socket) on the upper and lower parts. The bottom seal head and the top seal head are respectively provided with four circles of circumferential welds and three circles of circumferential welds, and are formed by welding 64 steel plates together. The middle cylindrical barrel is 11 circles in total, each layer is formed by welding 12 circular arc plates in a splicing mode, and in order to shorten the construction period, the middle cylindrical barrel is divided into four sections of modules (a 1# barrel module, a 2# barrel module, a 3# barrel module and a 4# barrel module).
The steel containment vessel is composed of 272 plates, the thicknesses of the plates are 41.3mm, 44.5mm and 47.6mm, and the thickness of the thickest steel plate reaches 47.6 mm. The maximum diameter is 39624mm, the total height is 65633mm, the volume is about 70000m3, the total weight is about 3600t, the size of a single plate is about 10.4 multiplied by 3.9m, the heaviest plate is about 15.7 tons, the weight of the single steel plate welded with the ring hanging beam is 33 tons, and the total weight of the ring hanging beam is about 251.5 tons.
The bottom end enclosure is approximately semi-ellipsoidal in shape, the total weight is about 741.23 tons, the height after assembly is 11.5 meters, the maximum section height of the cylinder after assembly is 11.671 meters, the overall structures of the two are both relatively flexible, the transportation stability is relatively poor, deformation is easy to occur in the transportation process, and local or overall deformation of any component after transportation can have a great influence on the installation of the whole containment. In order to ensure the safety and minimum deformation in the whole transportation process, the transportation equipment, the transportation tool, the transportation parameters, the transportation process and the like have higher requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-scale modularization component conveyer of nuclear power station nuclear island steel containment to solve the transportation problem of large-scale modularization component.
In order to realize the purpose, the large modular component transportation device for the steel containment vessel of the nuclear island of the nuclear power station is characterized by comprising a bottom head transportation bracket device, wherein the bottom head transportation bracket device comprises a flat car and a bracket, and the bracket comprises a plurality of jack supports; the jack support comprises a fixed seat, a jack, a sliding rod, a lower hinged seat and an upper hinged seat, the fixed seat is cylindrical, the jack is installed in the fixed seat, the upper part of the jack is connected with the sliding rod, the sliding rod is inserted in the fixed seat and forms a sliding pair with the fixed seat, the upper part of the sliding rod is fixedly provided with the lower hinged seat, and the lower hinged seat is hinged with the upper hinged seat; the jack supports are arranged in a row in the bracket, and the upper hinged support of each jack support is positioned in an arc surface; the four flat cars are arranged in a square shape, the flat car connecting frames are connected together between the flat cars, and each flat car is provided with a bracket.
The large modular component transportation device for the steel containment vessel of the nuclear island of the nuclear power station is further characterized in that six jacks are arranged in the bracket, and the six jacks are arranged in three rows.
The large modular component transportation device for the nuclear island steel containment vessel of the nuclear power station is further characterized in that an upper hinge seat ear plate is arranged on an upper hinge seat, a lower hinge seat ear plate is arranged on a lower hinge seat, the upper hinge seat ear plate and the lower hinge seat ear plate are connected through a pin, the upper hinge seat ear plate can rotate around the pin, and wear-resistant materials are attached to the upper side surface of the upper hinge seat.
The large modular component transportation device for the steel containment vessel of the nuclear island of the nuclear power station is further characterized by further comprising a first, second and third barrel transportation bracket device, wherein the first, second and third barrel transportation bracket device comprises a flat car, a baffle frame, a reinforcing ring and a steel wire rope fixing device; the reinforcing rings comprise a reinforcing ring, namely an external reinforcing ring, arranged outside a first ring of a cylinder body of the nuclear island steel containment vessel of the nuclear power station, a reinforcing ring, namely an internal reinforcing ring, arranged inside a second ring of the cylinder body, and a temporary reinforcing ring, namely an external temporary reinforcing ring, arranged outside a third ring of the cylinder body; the baffle frame comprises a bottom supporting bracket, an outer baffle frame and an inner baffle frame, the bottom supporting bracket is placed on the flat car, the outer baffle frame and the inner baffle frame are fixed on the bottom supporting bracket and are spaced, a first barrel ring, a second barrel ring or a third barrel ring are placed in the space between the outer baffle frame and the inner baffle frame, a groove protecting block is also placed on the bottom supporting bracket, and a groove bearing at the bottom of the first barrel ring is inserted into the groove protecting block; the steel wire rope fixing device comprises a fixing frame and a chain block, wherein the fixing frame is fixedly arranged on the opposite sides of the diameter direction of the upper side edge of the first ring of the cylinder body, the second ring of the cylinder body or the third ring of the cylinder body respectively; in the first, second and third ring transport bracket device of the cylinder, four flat cars are arranged in a square shape and connected together through a flat car connecting frame, and the blocking frame is placed on each flat car.
The large modular component transportation device for the steel containment vessel of the nuclear island of the nuclear power station is further characterized by further comprising a fourth cylinder transportation bracket device, wherein the fourth cylinder transportation bracket device comprises a flat car, a steel wire rope fixing device and a load distributing plate; the load sharing plate is placed on the flat car and bears the groove protection block on the fourth ring of the cylinder; the steel wire rope fixing device comprises a fixing frame and a chain block, wherein the fixing frame is fixedly arranged on the opposite sides of the diameter direction of the upper side edge of the fourth ring of the cylinder body respectively, lifting lugs of the fixing frames on the two opposite sides are connected through a steel wire rope, and the steel wire rope is tightened by the chain block; in the fourth ring transport bracket device of the cylinder, four flat cars are arranged in a square shape and are connected together through a flat car connecting frame so as to synchronously run, and the distributing plate is arranged on each flat car.
Because the flexibility of going up the free bearing and the tightening effect of wire rope fixing device, the additional strengthening of reinforcing ring etc. each bracket device can adapt to the atress and the deformation condition to bottom head and barrel itself in the transportation, in utility model's practice, the deformation that bottom head, barrel produced in the transportation is in acceptable within range.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a bottom head transportation bracket of a steel containment.
FIG. 2 is a schematic structural diagram of a bottom head support of the steel containment vessel.
Fig. 3 is a schematic isometric view of a jack mount.
Fig. 4 is a half sectional view of the jack mount.
FIG. 5 is a schematic structural view of a first two three-ring transport bracket for the barrel of the steel containment vessel.
FIG. 6 is a schematic structural view of a fourth ring of transport carriers for the barrel of the steel containment vessel.
Detailed Description
Example 1
As shown in fig. 1 to 4, the first embodiment of the large modular component transportation device for a nuclear island steel containment vessel in a nuclear power plant is used for transporting a bottom head of the nuclear island steel containment vessel in the nuclear power plant, and for convenience of description, the first embodiment is hereinafter referred to as a "bottom head transportation bracket device".
The bottom head transportation bracket device comprises a flat car 1, a bracket 2 and a jack support 3.
As shown in fig. 3 and 4, the jack mount 3 includes a fixed base 31, a jack 32, a slide bar 34, a lower hinge base 35, and an upper hinge base 39. The fixed seat 31 is cylindrical, a jack 32 is arranged in the fixed seat, and a jack sizing block 33 is arranged below the jack 32 in a filling mode. The upper part of the jack 32 is connected with a sliding rod 34, the sliding rod 34 is inserted on the fixed seat 31, and forms a sliding pair with the fixed seat 31. The upper part of the slide rod 34 is fixedly mounted with a lower hinge base 35, and the lower hinge base 35 and the upper hinge base 39 are hinged so that the upper hinge base 39 can swing about a pin 37. Specifically, the lower hinge base 35 has a lower hinge base ear plate 36, the upper hinge base 39 has an upper hinge base ear plate 38, and the pin 37 extends through holes in the lower hinge base ear plate 36 and the upper hinge base ear plate 38 so that the upper hinge base 39 can swing about the pin 37. The upper side of the upper hinge base 39 is attached with a wear resistant material 30. The addition of the wear resistant material 30 to the upper winch mount 39 is intended to prevent the trailer from moving during the jacking of the train and to prevent the direct contact of the transport carriage with the bottom head from damaging the surface of the bottom head. As shown in fig. 1, the upper side surface of the upper hinge base 39 is a bearing surface for bearing a bottom head of a nuclear island containment vessel of a nuclear power plant, and the upper hinge base 39 can swing relative to the fixed lower hinge base 35, so that the radian change of the outer surface of the bottom head can be flexibly adapted.
As shown in fig. 2, the bracket 2 is a stable structure to provide a firm support for the jack support 3, the bracket 2 may be selected from a plurality of H-shaped steels to be welded into a truss structure, and the bracket 2 has a horizontal support base and is placed on the flat car 1 through the horizontal support base. The jack support 3 is a part of the bracket 2, and the H-shaped steel around the jack support 3 can be arranged in a radial shape. In the embodiment shown in fig. 2, there are six jack supports 3 in the bracket 2, the six jack supports 3 are arranged in three rows, each row has two, the upper hinged supports 36 of all the jack supports 3 are located in an arc surface, the arc surface has approximately the same radian as the arc surface of the outer surface of the bottom head of the steel containment vessel, and the upper hinged supports 36 can swing flexibly (can compensate manufacturing and installation errors), so the upper hinged support 39 of each jack support 3 can bear the bottom head according to the design requirement.
As shown in fig. 1, four flat cars 1 are arranged in a square shape, and two adjacent flat cars 1 are connected together by a flat car connecting frame 4, so that the four flat cars 1 are connected as a whole, and each of the flat cars carries a carriage 2. The platform trailer connecting frame 4 is mainly used for connecting the platform trailers 1 together so as to enable the platform trailers to run synchronously.
Additionally, in the preferred embodiment of the utility model, after the contact of bracket 2 and bottom head, weld the stopper on the bottom head of last free bearing otic placode upside position, the bottom head slides for the bracket when restricting the jacking of set of cars and transportation.
Example 2
As shown in fig. 5, the 2 nd embodiment of the large modular component transportation device for the nuclear island steel containment vessel of the nuclear power plant is used for transporting the first two three rings of the cylinder body of the nuclear island steel containment vessel of the nuclear power plant, and for convenience of description, the first embodiment is referred to as a "cylinder body first two three rings transportation bracket device" hereinafter.
The first, second and third ring transportation bracket device of the cylinder comprises a flat car 1, a baffle frame, a reinforcing ring, a steel wire rope fixing device and the like.
The reinforcing rings are three, one is the reinforcing ring arranged outside the first ring of the cylinder body and is called an external reinforcing ring; the other is a reinforcing ring arranged inside the second ring of the cylinder body, which is called an inner reinforcing ring; the third is a temporary reinforcing ring installed outside the third ring of the cylinder, called as an external temporary reinforcing ring 7, which needs to be removed only for controlling the shape deformation during transportation. The outer and inner reinforcement rings are not shown in the figures.
The blocking frame comprises a bottom supporting bracket 50, an outer blocking frame 51 and an inner blocking frame 52, the bottom supporting bracket 50 is placed on the flat car 1, the outer blocking frame 51 and the inner blocking frame 52 are fixed on the bottom supporting bracket 50, the outer blocking frame 51 and the inner blocking frame 52 are spaced, and a first barrel ring (also a second barrel ring or a third barrel ring) is placed in the space between the outer blocking frame 51 and the inner blocking frame 52. In addition, a groove protection block 54 is further arranged on the bottom support bracket 50, a groove bearing at the bottom of the first ring of the cylinder body is inserted into the groove protection block 54 to protect the groove, when the groove protection block 54 is installed, the groove protection block 54 is placed on the bottom support bracket 50 in advance, and in the jacking process of the flat car, the position of the groove protection block 54 is adjusted to enable the groove at the bottom of the cylinder body to be smoothly inserted into the groove protection block 54 and jack tightly.
The steel wire rope fixing device comprises a fixing frame 61, a steel wire rope clamp, a chain block 63 and the like, wherein the fixing frame 61 is composed of a plurality of arc-shaped steel plates and a plurality of lifting lugs, the fixing frame 61 is fixedly installed on the opposite sides of the diameter direction of the upper side edge of a third ring (also can be a second ring or a third ring) of the cylinder body respectively, the lifting lugs of the fixing frames 61 on the two opposite sides are connected by a steel wire rope 62 and tightened by the chain block 63 to play a role in preventing deformation, and the steel wire rope clamp is used for fixing the tail end of the steel wire rope. The total station can be used for measuring the radius value of the fixed point at the position of the fixed frame, and the change of the value indicates that the steel wire rope is tightened.
In the embodiment shown in fig. 5, as in embodiment 1, four flat cars 1 are arranged in a square and connected together by a flat car connecting frame 4 so as to run synchronously. A blocking frame is arranged on each flat car 1.
Example 3
As shown in fig. 6, the 3 rd embodiment of the large modular component transportation device for the nuclear island steel containment vessel of the nuclear power plant is a barrel fourth ring for transporting the nuclear island steel containment vessel of the nuclear power plant, and for convenience of description, the first embodiment is hereinafter referred to as a "barrel fourth ring transportation bracket device".
As shown in fig. 6, the fourth ring of drum transportation bracket device comprises a flat car 1, a steel wire rope fixing device and a load-sharing plate 8.
The fourth ring of the cylinder body is only provided with two rings of steel plates without reinforcing rings, but the ring hanging beam 77 is designed in the first ring of the steel plates in the fourth ring. The structure of the transportation bracket is different from the structure of the barrel-body-two-three-ring transportation bracket, so that the design of the transportation bracket is properly changed, the design is simpler, and the transportation deformation is not influenced. Compared with the embodiment 2, the inner and outer blocking frames are eliminated, and the load sharing plate 8 is additionally arranged between the groove protection plate 54 and the thick steel plate 100 of the flat car 1 to reduce the upward tilting tendency of the car body head and other factors. The wire rope fixing device is similar to that of embodiment 2, and comprises a fixing frame 61, a wire rope clamp, a chain block 63 and the like, wherein the fixing frame 61 is composed of a plurality of arc-shaped steel plates and a plurality of lifting lugs, the fixing frame 61 is fixedly installed on the opposite sides of the diameter direction of the upper side edge of the fourth ring of the cylinder body respectively, the lifting lugs of the fixing frames 61 on the two opposite sides are connected by a wire rope 62 and tightened by the chain block 63, so that the deformation prevention effect is achieved, and the wire rope clamp is used for fixing the tail end of the wire rope. The total station can be used for measuring the radius value of the fixed point at the position of the fixed frame, and the change of the value indicates that the steel wire rope is tightened.
In the embodiment shown in fig. 6, as in embodiment 1, four flat cars 1 are arranged in a square and connected together by a flat car connecting frame 4 so as to run synchronously. A separation plate 8 is arranged on each flat car 1.
Claims (5)
1. The large modular component transportation device for the steel containment vessel of the nuclear island of the nuclear power station is characterized by comprising a bottom head transportation bracket device, wherein the bottom head transportation bracket device comprises a flat car and a bracket, and the bracket comprises a plurality of jack supports;
the jack support comprises a fixed seat, a jack, a sliding rod, a lower hinged seat and an upper hinged seat, the fixed seat is cylindrical, the jack is installed in the fixed seat, the upper part of the jack is connected with the sliding rod, the sliding rod is inserted in the fixed seat and forms a sliding pair with the fixed seat, the upper part of the sliding rod is fixedly provided with the lower hinged seat, and the lower hinged seat is hinged with the upper hinged seat;
the jack supports are arranged in a row in the bracket, and the upper hinged support of each jack support is positioned in an arc surface;
the four flat cars are arranged in a square shape, the flat car connecting frames are connected together between the flat cars, and each flat car is provided with a bracket.
2. The large modular component transportation apparatus for a steel containment vessel in a nuclear power plant nuclear island as claimed in claim 1, wherein six jacks are provided in the cradle, and the six jacks are arranged in three rows.
3. The large modular component transportation apparatus for a steel containment vessel of a nuclear island of a nuclear power plant as claimed in claim 1, wherein the upper hinge base has an upper hinge base ear plate, the lower hinge base has a lower hinge base ear plate, the upper hinge base ear plate and the lower hinge base ear plate are connected by a pin, the upper hinge base ear plate can rotate around the pin, and the upper side surface of the upper hinge base is attached with a wear-resistant material.
4. The large modular component transportation device for the steel containment vessel of the nuclear island of the nuclear power plant as claimed in claim 1, further comprising a first two second three-ring transportation bracket device of the cylinder, wherein the first two second three-ring transportation bracket device of the cylinder comprises a flat car, a baffle frame, a reinforcing ring and a steel wire rope fixing device; wherein,
the reinforcing rings comprise a reinforcing ring, namely an external reinforcing ring, arranged outside a first ring of a cylinder body of the steel containment vessel of the nuclear island of the nuclear power station, a reinforcing ring, namely an internal reinforcing ring, arranged inside a second ring of the cylinder body, and a temporary reinforcing ring, namely an external temporary reinforcing ring, arranged outside a third ring of the cylinder body;
the baffle frame comprises a bottom supporting bracket, an outer baffle frame and an inner baffle frame, the bottom supporting bracket is placed on the flat car, the outer baffle frame and the inner baffle frame are fixed on the bottom supporting bracket and are spaced, a first barrel ring, a second barrel ring or a third barrel ring are placed in the space between the outer baffle frame and the inner baffle frame, a groove protecting block is also placed on the bottom supporting bracket, and a groove bearing at the bottom of the first barrel ring is inserted into the groove protecting block;
the steel wire rope fixing device comprises a fixing frame and a chain block, wherein the fixing frame is fixedly arranged on the opposite sides of the diameter direction of the upper side edge of the first ring of the cylinder body, the second ring of the cylinder body or the third ring of the cylinder body respectively;
in the first, second and third ring transport bracket device of the cylinder, four flat cars are arranged in a square shape and connected together through a flat car connecting frame, and the blocking frame is placed on each flat car.
5. The large modular component transportation device for the steel containment vessel of the nuclear island of the nuclear power plant as claimed in claim 1, further comprising a barrel fourth ring transportation bracket device, wherein the barrel fourth ring transportation bracket device comprises a flat car, a steel wire rope fixing device and a load distributing plate; wherein,
the load sharing plate is placed on the flat car and bears the groove protection block on the fourth ring of the cylinder;
the steel wire rope fixing device comprises a fixing frame and a chain block, wherein the fixing frame is fixedly arranged on the opposite sides of the diameter direction of the upper side edge of the fourth ring of the cylinder body respectively, lifting lugs of the fixing frames on the two opposite sides are connected through a steel wire rope, and the steel wire rope is tightened by the chain block;
in the fourth ring transport bracket device of the cylinder, four flat cars are arranged in a square shape and are connected together through a flat car connecting frame so as to synchronously run, and the distributing plate is arranged on each flat car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205662132U CN202465194U (en) | 2011-12-29 | 2011-12-29 | Large-size modularized component transporting device of steel containment vessel of nuclear power station nuclear island |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205662132U CN202465194U (en) | 2011-12-29 | 2011-12-29 | Large-size modularized component transporting device of steel containment vessel of nuclear power station nuclear island |
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| Publication Number | Publication Date |
|---|---|
| CN202465194U true CN202465194U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205662132U Expired - Lifetime CN202465194U (en) | 2011-12-29 | 2011-12-29 | Large-size modularized component transporting device of steel containment vessel of nuclear power station nuclear island |
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| Country | Link |
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| CN (1) | CN202465194U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903663A (en) * | 2012-12-28 | 2014-07-02 | 国家核电技术有限公司 | Method for manufacturing large vessel, especially steel containment vessel in nuclear power plant |
| CN105416420A (en) * | 2015-11-25 | 2016-03-23 | 广东力特工程机械有限公司 | Method and device for transporting thin-wall equipment in nuclear power plant |
| CN108946548A (en) * | 2018-10-10 | 2018-12-07 | 贵州大学 | A kind of dedicated tool and its application method of unloading for ship lift retarder |
| CN109545399A (en) * | 2018-09-22 | 2019-03-29 | 中核能源科技有限公司 | Transport turnover mechanism for HTGR Nuclear Power Plant reactor pressure vessel |
| CN113003481B (en) * | 2021-02-03 | 2023-10-03 | 中冶北方（大连）工程技术有限公司 | Lifting and moving system of thickener |
-
2011
- 2011-12-29 CN CN2011205662132U patent/CN202465194U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903663A (en) * | 2012-12-28 | 2014-07-02 | 国家核电技术有限公司 | Method for manufacturing large vessel, especially steel containment vessel in nuclear power plant |
| CN105416420A (en) * | 2015-11-25 | 2016-03-23 | 广东力特工程机械有限公司 | Method and device for transporting thin-wall equipment in nuclear power plant |
| CN109545399A (en) * | 2018-09-22 | 2019-03-29 | 中核能源科技有限公司 | Transport turnover mechanism for HTGR Nuclear Power Plant reactor pressure vessel |
| CN108946548A (en) * | 2018-10-10 | 2018-12-07 | 贵州大学 | A kind of dedicated tool and its application method of unloading for ship lift retarder |
| CN113003481B (en) * | 2021-02-03 | 2023-10-03 | 中冶北方（大连）工程技术有限公司 | Lifting and moving system of thickener |
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Granted publication date: 20121003 |