CN107883128B - Flange supporting device of automatic reactor pressure vessel inspection equipment - Google Patents
Flange supporting device of automatic reactor pressure vessel inspection equipment Download PDFInfo
- Publication number
- CN107883128B CN107883128B CN201610875234.XA CN201610875234A CN107883128B CN 107883128 B CN107883128 B CN 107883128B CN 201610875234 A CN201610875234 A CN 201610875234A CN 107883128 B CN107883128 B CN 107883128B
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- CN
- China
- Prior art keywords
- flange
- guide
- reactor pressure
- pressure vessel
- inspection equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007689 inspection Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/08—Foot or support base
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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
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention relates to the technical field of in-service inspection, in particular to a flange supporting device of automatic inspection equipment for a reactor pressure vessel. The device comprises a flange adapting part, four guide posts and four guide legs, wherein the flange adapting part is spliced into a circular ring seat; the four guide posts are fixedly arranged at the upper end of the flange adapting part, and the four guide posts are equally divided into circular ring seats; the four guide legs are fixedly arranged at the lower end of the flange adapting part. By using the supporting device, shielding of the inspection equipment to the threaded holes and the sealing grooves is avoided, and the effects of shortening the overhaul time of the unit and improving the economic benefit are achieved.
Description
Technical Field
The invention relates to the technical field of in-service inspection, in particular to a flange supporting device of automatic inspection equipment for a reactor pressure vessel.
Background
During shutdown service, an in-service inspection of the reactor pressure vessel is completed using an automated inspection apparatus. The leg type support of the equipment needs to occupy part of the main bolt threaded holes and the pressure vessel sealing grooves during the inspection, so that the cleaning and inspection of the pressure vessel partial threaded holes and the sealing grooves are required to be carried out after the equipment is removed, thereby prolonging the maintenance time of the unit and being not beneficial to improving the economic benefit of the unit.
Therefore, development of an automatic reactor pressure vessel inspection equipment supporting device is needed, shielding of inspection equipment to a main bolt threaded hole and a sealing groove is avoided, inspection of a pressure vessel and cleaning and inspection of the main bolt threaded hole and the sealing groove can be simultaneously performed, unit maintenance time is shortened, and economic benefit is improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a flange supporting device of automatic reactor pressure vessel inspection equipment, which can prevent the automatic reactor pressure vessel inspection equipment from shielding a main bolt threaded hole and a sealing groove, so that the inspection of the pressure vessel and the cleaning inspection of the main bolt threaded hole and the sealing groove can be simultaneously carried out, the maintenance time of a unit is shortened, and the economic benefit is improved.
In order to solve the technical problems, the invention relates to a flange supporting device of automatic reactor pressure vessel inspection equipment, which comprises a flange adapting part, four guide posts and four guide legs, wherein the flange adapting part is spliced into a circular ring seat; the four guide posts are fixedly arranged at the upper end of the flange adapting part, and the four guide posts are equally divided into circular ring seats; the four guide legs are fixedly arranged at the lower end of the flange adapting part.
The inner side of the guide leg is fixed with a jacking cylinder and a jacking block, and the jacking block is fixed on the inner side of the jacking cylinder.
The guide post and the guide leg are positioned at the upper end and the lower end of the same position of the circular ring seat.
The guide post circumference is fixed with the pad foot, and the pad foot is fixed at the ring seat.
The ring seat is provided with a positioning plate, and the guide cylinder is matched with the positioning sleeve connected to the positioning plate. .
The upper part of the flange adapting part is fixed with a fence.
The beneficial technical effects of the invention are as follows: by using the supporting device, shielding of the inspection equipment on the threaded holes and the sealing grooves is avoided, and the effects of shortening the overhaul time of the unit and improving the economic benefit are achieved; when the supporting device is used for the first time, the maintenance time of a unit is shortened by 24 hours, the generated energy is increased by about 0.2397 hundred million degrees, and the economic benefit is created by more than 1000 ten thousand yuan.
Drawings
FIG. 1 is a schematic view of a flange support apparatus of an automatic reactor pressure vessel inspection apparatus according to the present invention;
FIG. 2 is a front view of a flange support apparatus of an automatic inspection apparatus for a reactor pressure vessel according to the present invention;
FIG. 3 is a side view of a flange support apparatus of an automatic reactor pressure vessel inspection apparatus according to the present invention;
fig. 4 is a schematic installation view of a flange supporting apparatus of an automatic inspection apparatus for a reactor pressure vessel according to the present invention.
In the figure: 1-a flange adapter; 2-foot pad; 3-a guide post; 4-screw a; 5-screw B;6, guiding legs; 7, tightly pushing the cylinder; 8-screw C; 9-a jacking block; 10-screw D; 11-screw E; 12-a lifting ring screw; 13-a cylindrical pin; 14-screw F; 15-screw G; 16-a gasket; 17-plain washer; 18-a nut; 19-positioning sleeve; 20-guide leg pad; 21-a thick pad of guide legs; 22-anti-collision gaskets; 23-screw H; 24-positioning plate; 25-a guide cylinder; 26-fence; 27-supporting means; 28-reactor pressure vessel.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
The invention relates to a flange supporting device of automatic reactor pressure vessel inspection equipment, which comprises a flange adapting part 1, four guide posts 3 and four guide legs 6, wherein the flange adapting part 1 is spliced into a circular ring seat; the four guide posts 3 are fixedly arranged at the upper end of the flange adapting part 1, and the four guide posts 3 equally divide the circular ring seat; four guide legs 6 are fixedly arranged at the lower end of the flange adapter part 1.
Preferably, the inner side of the guide leg 6 is fixed with a jacking cylinder 7 and a jacking block 9, and the jacking block 9 is fixed on the inner side of the jacking cylinder 7.
Preferably, the guide post 3 and the guide leg 6 are positioned at the upper end and the lower end of the same position of the circular ring seat.
Preferably, the flange adapting part 1 is fixed with a rail 26 at the upper part.
Preferably, the guide post 3 is fixed with the pad foot 2 circumferentially, and the pad foot 2 is fixed at the ring seat.
The 4 flange adapting parts 1 are connected one by one through screws G15, washers 16, flat washers 17 and nuts 18 to form a circular ring seat.
The guide leg 6 is fixed on the circular ring seat by a screw E11.
The jacking cylinder 7 and the jacking block 9 are assembled and fixed through a screw D10 to form a jacking module, and the jacking module is fixed on the circular ring seat through a screw C8.
4 pads 2, adjacent pads 2 are spaced by 90 degrees, the installation position is positioned in the middle of the flange adapting part 1, and each pad is fixed on the flange adapting part 1 by using a screw B5.
The guide post is fixed to the flange adapter part 1 using 4 screws A4.
The ring seat is provided with a positioning plate 24, and the positioning sleeve 19 is matched with a guide cylinder 25 connected to the positioning plate 24.
During installation, eye screws 12 are installed on prefabricated threaded holes at two ends of each flange adapting part 1, the flange adapting parts 1 are lifted by using lifting equipment, guide legs 6 are installed, and the flange adapting parts are fixed by using screws E11. The tightening cylinder 7 and the tightening block 9 are assembled by a screw D10, and the tightening module is mounted on the guide leg 6 and fixed by a screw C8. The 4 flange adapter parts 1 are assembled by connection by means of screws G15, washers 16, flat washers 17, nuts 18. On the assembled flange adapting part, 4 padding feet 2 are installed, adjacent padding feet 2 are spaced by 90 degrees, the installation position is positioned in the middle of the flange adapting part 1, and each padding foot is fixed by using a screw B5. Each foot pad 2 is provided with a guide post 3, and each guide post is fixed by using 4 screws A4. The positioning plate 24 is mounted on the flange adapting part 1, and the positioning sleeve 19 is assembled in a matched manner by a guide cylinder 25 connected to the positioning plate 24. A rail 26 is mounted on the flange adapter 1. The assembly of the supporting means 17 is completed.
In operation, the positioning sleeve 19 is brought into alignment with the threaded bore of the feature bolt on the reactor pressure vessel 28 by lifting the reactor pressure vessel 28 with a lifting device. Slowly lowering the supporting device 27 to enable the guide legs 6 to be embedded into the reactor pressure vessel 28, and controlling the pneumatic device to push out the jacking block 9 after the guide legs are in place, so as to complete the installation of the supporting device 27.
Claims (5)
1. The flange supporting device of the automatic reactor pressure vessel inspection equipment is characterized by comprising a flange adapting part (1), four guide posts (3) and four guide legs (6), wherein the flange adapting part (1) is spliced into a circular seat; the four guide posts (3) are fixedly arranged at the upper end of the flange adapting part (1), and the four guide posts (3) are divided into four equal parts into circular ring seats; the four guide legs (6) are fixedly arranged at the lower end of the flange adapting part (1);
the inner sides of the guide legs (6) are fixedly provided with a jacking cylinder (7) and a jacking block (9), and the jacking block (9) is fixed on the inner side of the jacking cylinder (7);
the four flange adapting components (1) are connected and assembled through screws G (15), washers (16), flat washers (17) and nuts (18).
2. Flange support device for automatic reactor pressure vessel inspection equipment according to claim 1, characterized in that the guide post (3) and the guide leg (6) are located at the same position of the ring seat at the upper and lower ends.
3. Flange support device for automatic inspection equipment of reactor pressure vessels according to claim 2, characterized in that the guide posts (3) are fixed with feet (2) circumferentially, the feet (2) being fixed on the annular seat.
4. A flange support device for an automatic reactor pressure vessel inspection apparatus according to claim 3, characterized in that the circular ring seat is provided with a positioning plate (24), and the guide cylinder (25) is fitted by a positioning sleeve (19) connected to the positioning plate (24).
5. A flange supporting apparatus of an automatic inspection equipment for reactor pressure vessels according to claim 4, wherein a rail (26) is fixed to an upper portion of the flange adapting member (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875234.XA CN107883128B (en) | 2016-09-30 | 2016-09-30 | Flange supporting device of automatic reactor pressure vessel inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875234.XA CN107883128B (en) | 2016-09-30 | 2016-09-30 | Flange supporting device of automatic reactor pressure vessel inspection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107883128A CN107883128A (en) | 2018-04-06 |
| CN107883128B true CN107883128B (en) | 2023-07-14 |
Family
ID=61770089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610875234.XA Active CN107883128B (en) | 2016-09-30 | 2016-09-30 | Flange supporting device of automatic reactor pressure vessel inspection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107883128B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735317B (en) * | 2018-06-04 | 2024-02-09 | 江苏核电有限公司 | PWR spent fuel assembly storage cell and manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808641A1 (en) * | 1978-02-28 | 1979-08-30 | Kraftwerk Union Ag | Flexible support for heavy plant - in nuclear power stations, has surrounding tube providing stiffness against buckling |
| DE2810591A1 (en) * | 1978-03-11 | 1979-09-20 | Kernforschungsz Karlsruhe | Nuclear reactor cover clamping flange - has ring grooves around its edge permitting axial pretension of flange as spring |
| CN105033608A (en) * | 2015-08-31 | 2015-11-11 | 郑州飞龙汽车部件有限公司 | Flange pressing device of water pump assembly and support device thereof |
| CN205278721U (en) * | 2015-12-09 | 2016-06-01 | 核动力运行研究所 | Pressure vessel bolt hole self - cleaning inspects equipment locating bearing structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040136488A1 (en) * | 2003-07-22 | 2004-07-15 | Wmg, Inc. | Universal modular container for reactor pressure vessel heads |
-
2016
- 2016-09-30 CN CN201610875234.XA patent/CN107883128B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808641A1 (en) * | 1978-02-28 | 1979-08-30 | Kraftwerk Union Ag | Flexible support for heavy plant - in nuclear power stations, has surrounding tube providing stiffness against buckling |
| DE2810591A1 (en) * | 1978-03-11 | 1979-09-20 | Kernforschungsz Karlsruhe | Nuclear reactor cover clamping flange - has ring grooves around its edge permitting axial pretension of flange as spring |
| CN105033608A (en) * | 2015-08-31 | 2015-11-11 | 郑州飞龙汽车部件有限公司 | Flange pressing device of water pump assembly and support device thereof |
| CN205278721U (en) * | 2015-12-09 | 2016-06-01 | 核动力运行研究所 | Pressure vessel bolt hole self - cleaning inspects equipment locating bearing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107883128A (en) | 2018-04-06 |
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