CN110767324B - Flexible supporting device for cladding backboard of nuclear fusion device - Google Patents
Flexible supporting device for cladding backboard of nuclear fusion device Download PDFInfo
- Publication number
- CN110767324B CN110767324B CN201911032015.5A CN201911032015A CN110767324B CN 110767324 B CN110767324 B CN 110767324B CN 201911032015 A CN201911032015 A CN 201911032015A CN 110767324 B CN110767324 B CN 110767324B
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- plate
- upper cover
- cover plate
- square
- backboard
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21B—FUSION REACTORS
- G21B1/00—Thermonuclear fusion reactors
- G21B1/11—Details
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- 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
- Y02E30/10—Nuclear fusion 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)
- Connection Of Plates (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a flexible supporting device for a cladding backboard of a nuclear fusion device, which comprises a top flexible support and a positioning key, wherein the top flexible support is provided with a flexible support plate; the flexible supporting mechanism comprises a square upper cover plate, a lower cover plate, a disc spring, a guide post, a connecting rod, a protective guard, a sliding plate and a positioning fixing block; the lower bottom plate is provided with a positioning fixing groove, so that the flexible supporting mechanism is positioned and fixed. The upper cover plate is provided with a positioning key, so that the flexible support can be quickly positioned and installed. Each backboard is fixed on the vacuum chamber through the supporting device, so that the backboard can be quickly installed and dismantled, the efficiency of remote operation is improved, meanwhile, the flexible structure can effectively inhibit the thermal deformation of the backboard, and the reliability of the structure is improved.
Description
Technical Field
The invention belongs to the technical field of nuclear fusion reactor engineering, and particularly relates to a flexible supporting device for a cladding backboard of a nuclear fusion device.
Background
Energy problems are one of the more serious problems facing countries at present, and fusion energy has received wide attention as a novel clean energy. Controlled nuclear fusion is an important area that is being actively studied in countries of the world. The nuclear fusion device carries out magnetic confinement on high-temperature plasma, so that the plasma generates fusion reaction in the vacuum chamber, emits huge energy, and is finally converted into electric energy through energy conversion for people to use. The nuclear fusion device consists of thousands of parts, the cladding is one of core components of the device, and the back plate is a fixing device of the cladding module, is used for integration of the cladding module and is convenient for integral installation and maintenance. When the fusion reactor normally operates, the position of each cladding module is required to be fixed, namely the position of the back plate is required to be relatively fixed; meanwhile, after the fusion reactor operates, due to the influence of high temperature and radiation, the cladding needs to be maintained regularly, namely, a back plate where the cladding is located needs to be dismantled and moved to the outside of the fusion reactor device for maintenance; in addition, the clad backing plate undergoes significant thermal expansion in a high temperature environment, which can cause serious damage to the clad and backing plate and its accessory components. The fusion reactor designed at the present stage has insufficient top support flexibility and low assembly and disassembly efficiency. Therefore, a new backboard top supporting device needs to be designed, which can realize quick installation and disassembly, and has certain flexibility, thereby preventing the backboard from large thermal deformation, reducing the stress of the whole part and improving the reliability of the whole structure.
Disclosure of Invention
The invention aims to provide a flexible supporting device for supporting the top of a cladding backboard of a nuclear fusion device, which flexibly connects the backboard and a vacuum chamber, improves the structural reliability, reduces the influence of thermal deformation on the structure and improves the maintenance efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a flexible supporting device for a cladding backboard of a nuclear fusion device comprises a square lower base plate, wherein two rectangular key grooves which are vertically distributed are arranged at the bottom end of the square lower base plate, six cylindrical guide columns are fixedly arranged at the upper end of the square lower base plate, a protective guard is arranged on the side face of the square base plate, the tail end of the protective guard is fixedly connected with a square upper cover plate, the six cylindrical guide columns are sequentially connected with a disc spring, an adjusting mechanism, a disc spring and the square upper cover plate in a sliding mode, six round holes are formed in the square upper cover plate, the adjusting mechanism is provided with a square lower adjusting plate, hinge supports are fixedly arranged on two sides of the lower adjusting plate and connected with connecting rods through cylindrical pins, an adjuster is connected to the tail end of each connecting rod, a screw rod penetrates through the middle parts of the adjusters on two sides, nuts are connected to two ends of each screw rod, the connecting rods are arranged at the upper ends of the adjusters and connected with the hinge supports of the square upper adjusting plates, and a disc spring is arranged on the other side of the square upper adjusting plate and connected with the square upper cover plate.
Furthermore, the square lower bottom plate is provided with two positioning and fixing keys which are vertically distributed.
Furthermore, the upper cover plate is provided with two positioning keys.
Furthermore, the back plate is connected with the lower bottom plate through a positioning key, and the upper cover plate is connected with the vacuum chamber through a positioning key, so that the flexible support of the top of the back plate is realized.
Furthermore, when the back plate is fixedly installed, the upper cover plate moves upwards through fastening of the rotary nut, the upper cover plate is tightly attached to the vacuum chamber, pre-tightening of the whole device is achieved, and stable operation of the back plate in operation of the whole device is guaranteed.
Furthermore, the guard rail is fixedly connected with the square lower bottom plate and the upper cover plate, and the structure of the guard rail is easy to bend and deform, so that the upper cover plate can move along the cylindrical guide post.
The invention has the beneficial effects that:
the flexible supporting device replaces the existing non-flexible supporting device at the top of the cladding backboard, and the flexible supporting device is designed at the top of the backboard, so that the cladding backboard is fixed, meanwhile, the deformation of the backboard structure caused by radiant heat can be absorbed, the influence of the backboard fixing structure is reduced, the structural strength and stability of the backboard are improved, and the backboard is convenient to mount and maintain.
Drawings
FIG. 1 is a perspective view of the overall structure of the device of the present invention;
FIG. 2 is a schematic view of an adjustment mechanism;
FIG. 3 is a schematic view of the structure of the lower cover plate of the present invention;
FIG. 4 is a schematic view of the structure of the upper cover plate of the present invention;
FIG. 5 is a schematic diagram of the operation of the present invention;
FIG. 6 is another schematic view of the apparatus of the present invention.
In the figure: the device comprises a lower bottom plate 1, a cylindrical guide post 2, a protective guard 3, a square upper cover plate 4, a disc spring 5, an adjusting mechanism 6, a square lower adjusting plate 7, a cylindrical pin shaft 8, a hinge support 9, a connecting rod 10, an adjuster 11, a screw 12, a nut 13, an upper adjusting plate 14, a positioning fixing key 15, a positioning key 16, a vacuum chamber 17, a back plate 18 and a supporting device 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention without creative efforts.
As shown in figures 1 to 5, a flexible supporting and connecting structure for a cladding backboard of a nuclear fusion device comprises a square lower bottom plate 1, two rectangular key grooves which are vertically distributed are arranged at the bottom end of the square lower bottom plate 1, six cylindrical guide columns 2 are fixedly arranged at the upper end of the square lower bottom plate 1, a protective guard 3 is arranged on the side surface of the square bottom plate 1, the tail end of the protective guard 3 is fixedly connected with a square upper cover plate 4, the six cylindrical guide columns 2 are sequentially connected with a disc spring 5, an adjusting mechanism 6, the disc spring 5 and the square upper cover plate 4 in a sliding manner, six round holes are arranged on the square upper cover plate 4 to ensure that the upper cover plate 4 can slide along the cylindrical guide columns, the adjusting mechanism 6 is provided with a square lower adjusting plate 7, hinge supports 9 are fixedly arranged on two sides of the square lower adjusting plate 7, the hinge supports 9 are connected with a connecting rod 10 through cylindrical pin shafts 8, and the tail end of the connecting rod 10 is connected with an adjuster 11, the middle parts of the adjusters 11 on two sides penetrate through screw rods 12, two ends of the screw rods 12 are connected with nuts 13, the upper ends of the adjusters 11 are connected with connecting rods 10 and are connected with a hinge support on one side of an upper adjusting plate 14, disc springs 5 are arranged on the other side of the upper adjusting plate 14, and the disc springs 5 are connected with a square upper cover plate 4.
The lower base plate 1 is provided with two vertically distributed positioning fixing keys 15.
The upper cover plate 4 is provided with two positioning keys 16.
As shown in fig. 1 to 5, the invention comprises a square lower bottom plate 1, a disc spring 5, an adjusting mechanism 6 and a square upper cover plate 4, wherein a back plate 18 is connected with the lower bottom plate 1 through a positioning key fixing 15, and the square upper cover plate 4 is connected with a vacuum chamber 17 through a positioning key 16, so that the flexible support of the top of the back plate is realized. When the back plate 18 is installed and fixed, the square upper cover plate 4 moves upwards through fastening of the rotary nut 13, the square upper cover plate 4 is tightly attached to the vacuum chamber 17, pre-tightening of the whole device is achieved, and stable operation of the back plate 18 in operation of the whole device is guaranteed. The back plate 18 can generate large thermal deformation in the whole operation process of the fusion reactor, so that the back plate 18 can be deformed upwards and is in close contact with the lower bottom plate 1. The deformation of the disc spring 5 is suppressed, the thermal stress of the structure is reduced, and the stability is improved. As shown, it is installed at the position of 19 in fig. 5, and 19 in fig. 5 is the supporting device of the present invention.
The guard railing 3 is fixedly connected with the square lower bottom plate 1 and the square upper cover plate 4, and the guard railing 3 is flexible and deformable in structure and used for realizing the movement of the square upper cover plate 4 along the cylindrical guide columns.
Although illustrative embodiments of the present invention have been described above to facilitate the understanding of the present invention by those skilled in the art, it should be understood that the present invention is not limited to the scope of the embodiments, but various changes may be apparent to those skilled in the art, and it is intended that all inventive concepts utilizing the inventive concepts set forth herein be protected without departing from the spirit and scope of the present invention as defined and limited by the appended claims.
Claims (2)
1. A flexible support device for a cladding back plate of a nuclear fusion device, comprising:
the device comprises a square lower bottom plate, a disc spring, an adjusting mechanism and a square upper cover plate; the upper cover plate is provided with two positioning keys; the square lower bottom plate is provided with two rectangular key grooves which are vertically distributed at the bottom end, and two positioning and fixing keys which are vertically distributed are arranged on the lower bottom plate; the back plate is connected with the lower bottom plate through a positioning key, and the upper cover plate is connected with the vacuum chamber through a positioning key, so that the flexible support of the top of the back plate is realized; six cylindrical guide columns are fixedly mounted at the upper end of a square lower base plate, a protective guard is arranged on the side face of the square lower base plate, the tail end of the protective guard is fixedly connected with an upper cover plate, the six cylindrical guide columns are sequentially connected with a disc spring, an adjusting mechanism, the disc spring and the square upper cover plate in a sliding mode, six round holes are formed in the square upper cover plate, the adjusting mechanism is provided with a square lower adjusting plate, hinge supports are fixedly mounted on two sides of the square lower adjusting plate, the hinge supports are connected with connecting rods through cylindrical pin shafts, the tail ends of the connecting rods are connected with an adjuster, a screw rod penetrates through the middle of the adjuster on two sides, nuts are connected with two ends of the screw rod, the upper end of the adjuster is provided with the connecting rod, the connecting rods are connected with the hinge supports of the upper adjusting plate, the disc spring is mounted on the other side of the upper adjusting plate, and the disc spring is connected with the square upper cover plate;
when the back plate is fixedly installed, the upper cover plate moves upwards through fastening of the rotary nut, the upper cover plate is tightly attached to the vacuum chamber, pre-tightening of the whole device is achieved, and stable operation of the back plate in operation of the whole device is guaranteed.
2. A flexible support device for a cladding back plate of a nuclear fusion device as claimed in claim 1, wherein:
the guard railing is fixedly connected with the square lower bottom plate and the upper cover plate, and the structure of the guard railing is flexible and deformable, so that the upper cover plate can move along the cylindrical guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911032015.5A CN110767324B (en) | 2019-10-28 | 2019-10-28 | Flexible supporting device for cladding backboard of nuclear fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911032015.5A CN110767324B (en) | 2019-10-28 | 2019-10-28 | Flexible supporting device for cladding backboard of nuclear fusion device |
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| Publication Number | Publication Date |
|---|---|
| CN110767324A CN110767324A (en) | 2020-02-07 |
| CN110767324B true CN110767324B (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911032015.5A Active CN110767324B (en) | 2019-10-28 | 2019-10-28 | Flexible supporting device for cladding backboard of nuclear fusion device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209896A (en) * | 1990-03-30 | 1993-05-11 | Commissariat A L'energie Atomique | Heat shield |
| EP0955434A2 (en) * | 1998-05-06 | 1999-11-10 | MO.DE & TI.PI di INNOCENTI GIUSEPPE | Device for moving and retaining shutters from the inside of the building |
| CN101234731A (en) * | 2008-03-11 | 2008-08-06 | 镇江中船现代发电设备有限公司 | Internal-swelling type stator hoisting special purpose tools |
| CN203892435U (en) * | 2014-01-02 | 2014-10-22 | 南京龙吟精密科技有限公司 | Two-way shock absorber based on disc springs |
| CN104821185A (en) * | 2015-03-17 | 2015-08-05 | 中国科学院等离子体物理研究所 | Breeder blanket fixation structure for maintenance of nuclear fusion apparatus |
-
2019
- 2019-10-28 CN CN201911032015.5A patent/CN110767324B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209896A (en) * | 1990-03-30 | 1993-05-11 | Commissariat A L'energie Atomique | Heat shield |
| EP0955434A2 (en) * | 1998-05-06 | 1999-11-10 | MO.DE & TI.PI di INNOCENTI GIUSEPPE | Device for moving and retaining shutters from the inside of the building |
| CN101234731A (en) * | 2008-03-11 | 2008-08-06 | 镇江中船现代发电设备有限公司 | Internal-swelling type stator hoisting special purpose tools |
| CN203892435U (en) * | 2014-01-02 | 2014-10-22 | 南京龙吟精密科技有限公司 | Two-way shock absorber based on disc springs |
| CN104821185A (en) * | 2015-03-17 | 2015-08-05 | 中国科学院等离子体物理研究所 | Breeder blanket fixation structure for maintenance of nuclear fusion apparatus |
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| Publication number | Publication date |
|---|---|
| CN110767324A (en) | 2020-02-07 |
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