CN217627224U - Receiving, overturning and fixing device for large pressurized water reactor examination piece - Google Patents
Receiving, overturning and fixing device for large pressurized water reactor examination piece Download PDFInfo
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- CN217627224U CN217627224U CN202220965261.7U CN202220965261U CN217627224U CN 217627224 U CN217627224 U CN 217627224U CN 202220965261 U CN202220965261 U CN 202220965261U CN 217627224 U CN217627224 U CN 217627224U
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- frame
- spacing
- overturning
- pressurized water
- limiting
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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
Abstract
The utility model belongs to the technical field of the nuclear application, concretely relates to large-scale pressurized water reactor examines piece and receives upset fixing device. Including upset fixed stop, support and spacing frame, the bottom of spacing frame be connected with the support, be connected with upset fixed stop on the support. The beneficial effects of the utility model reside in that: the test piece capable of ensuring reactor-entering irradiation ensures the safety of the test piece and avoids mechanical damage in the receiving process of a pressurized water reactor nuclear power plant, thereby ensuring the reactor core safety in the subsequent in-reactor irradiation process.
Description
Technical Field
The utility model belongs to the technical field of nuclear application, concretely relates to large-scale pressurized water reactor examines a piece and receives upset fixing device.
Background
In recent years, as nuclear technology is applied more and more mature, core irradiation technology is gradually applied to large commercial pressurized water reactor nuclear power plants, assemblies used for material examination and isotope production are often transported to the power plant in the form of stationary related components, and receiving and reactor loading are completed in the power plant.
The examination piece is usually transported by a special transport case, the special transport case is overturned by a crane in a factory building when being received by a commercial pressurized water reactor nuclear power plant, and a special tool is used after the special transport case is erected to lift out the assembly piece. Because the length of the special transport case is usually 4.5 meters, and the width and the height of the special transport case are only 0.5 meter, the transport case is easy to topple over in the process of being operated and taken out from the top after being overturned, or the transport case moves in the process of hanging out the examination piece, so that hanging and rubbing are generated on the surface of the examination assembly piece or direct damage risks are brought.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a large-scale pressurized water reactor is examined a piece and is received upset fixing device can guarantee going into examining of reactor irradiation and examine the piece at pressurized water reactor nuclear power plant receiving process, ensures to examine the safety of piece, avoids mechanical damage to guarantee follow-up irradiation in-core safety of reactor core in-process.
The technical scheme of the utility model as follows: the utility model provides a large-scale pressurized water reactor examines piece and receives upset fixing device, includes upset fixed stop, support and spacing frame, the bottom of spacing frame be connected with the support, be connected with upset fixed stop on the support.
The limiting frame comprises an upper limiting frame, a vertical supporting frame, a middle limiting supporting frame, a base, a turnover plate pin, an upper side limiting frame, a middle limiting support bolt, a middle limiting rod and a turnover fixing baffle.
The limiting frame comprises an upper limiting frame, a vertical supporting frame, a middle limiting supporting frame, a base, a turnover plate pin, an upper side limiting frame, a middle limiting support bolt, a middle limiting rod and a turnover fixing baffle plate which are all made of stainless steel or carbon steel.
The spacing frame include the spacing frame in upper portion, vertical support frame, the spacing stand in middle part, the spacing frame in upper portion side, the spacing support bolt in middle part and middle part gag lever post, the spacing frame in upper portion, vertical support frame, the spacing stand in middle part, the spacing frame in upper portion side and middle part gag lever post are the rectangular frame structure, the both sides of the spacing frame in upper portion are connected with the spacing frame in upper portion side respectively, the both ends of every the spacing frame in upper portion side all are connected with vertical support frame's one end, vertical support frame's middle part is connected with the spacing stand in middle part, vertical support frame's middle part has the middle part gag lever post through the spacing support bolted connection in middle part.
The other end of the vertical supporting frame is connected with a base in a welding mode.
The base is of a plate-shaped structure, and one side of the base is provided with a rectangular notch.
The gap in install upset fixed stop through the returning face plate pin.
The overturning fixed baffle is of a plate-shaped structure, and the cross section of the overturning fixed baffle is L-shaped.
The beneficial effects of the utility model reside in that: the test piece capable of ensuring reactor-entering irradiation ensures the safety of the test piece and avoids mechanical damage in the receiving process of a pressurized water reactor nuclear power plant, thereby ensuring the reactor core safety in the subsequent in-reactor irradiation process.
Drawings
FIG. 1 is a schematic view of a large pressurized water reactor test piece receiving and overturning fixing device assembled before use;
FIG. 2 is a schematic view showing the use of the large pressurized water reactor test piece receiving, overturning and fixing device provided by the present invention without being loaded into a transport case;
FIG. 3 is a schematic view of the large pressurized water reactor examination piece receiving, overturning and fixing device used after being loaded into the transport case.
In the figure: the device comprises 1 upper front-back direction limiting frame, 2 vertical supporting frames, 3 middle limiting supporting frames, 4 bases, 5 turnover plate pins, 6 upper left-right direction limiting frames, 7 middle limiting support bolts, 8 middle limiting rods and 9 turnover fixing baffle plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-3, the receiving, overturning and fixing device for the large pressurized water reactor test piece comprises an overturning fixed baffle, a support and a limiting frame, wherein the bottom of the limiting frame is connected with the support, and the support is connected with the overturning fixed baffle.
As shown in fig. 2, the large pressurized water reactor examination piece receiving and overturning fixing device comprises an upper limiting frame 1, a vertical support frame 2, a middle limiting support frame 3, a base 4, an overturning plate pin 5, an upper side limiting frame 6, a middle limiting support bolt 7, a middle limiting rod 8 and an overturning fixing baffle 9 which are made of stainless steel or carbon steel, wherein the limiting frame comprises the upper limiting frame 1, the vertical support frame 2, the middle limiting support frame 3, the upper side limiting frame 6, the middle limiting support bolt 7 and the middle limiting rod 8, the upper limiting frame 1, the vertical support frame 2, the middle limiting support frame 3, the upper side limiting frame 6 and the middle limiting rod 8 are all rectangular frame structures, two sides of the upper limiting frame 1 are respectively connected with the upper side limiting frame 6 in a welding manner, two ends of each upper side limiting frame 6 are respectively connected with one end of the vertical support frame 2 in a welding manner, the vertical support frames 2 have 4 total, the middle part of the vertical support frame 2 is connected with the middle limiting frame 3, and the middle part of the vertical support frame 2 is also connected with the middle limiting rod 8 through the middle limiting support bolt 7; the other end of vertical support frame 2 is connected with base 4 through the welded mode, and base 4 is platelike structure, and open one side of base 4 has the rectangle breach, installs upset fixed stop 9 through returning face plate pin 5 in the breach, upset fixed stop 9 be platelike structure, its cross-section is the L type.
The turnover part of the turnover plate is connected with the base through a bolt, so that the transportation box can be placed and turned over for assistance, after the transportation box is turned over, the bottom of the transportation box is located on the turnover plate, the side surface of the transportation box is protected and limited by the turnover plate, and the bottom of the transportation box is effectively prevented from shifting in the operation process;
the base is connected with returning face plate and spacing frame simultaneously, adopts the bolt fastening with the upset version, can guarantee the returning face plate upset simultaneously, generally with welded mode fixed with spacing frame, plays overall structure's supporting role.
The spacing frame can be made by hollow carbon steel or stainless steel, plays whole protection and restriction effect to the transport case, and the transport case is 4.5 meters to 5 meters long generally, considers mechanics, and whole spacing frame height 2 meters, wherein 1.5 meters department sets up mobilizable gag lever post, and the transport case is vertical after, fixed and restriction transport case's removal.
The utility model discloses a use as follows:
the method comprises the following steps:
as shown in fig. 1, the receiving and overturning device is arranged in a new fuel receiving room of 14.5 meters of a commercial pressurized water reactor nuclear power plant;
step two:
as shown in fig. 2, the turnover plate and the limiting rod of the receiving turnover device are respectively opened;
step three:
after the special transport case is horizontally hoisted from the transport vehicle, the tail part of the special transport case is placed on a turnover plate of a turnover fixing device; hanging the sling at the end part of the special transport box by using a factory crane, hoisting the sling, and turning the sling to a vertical state along with the turning plate; closing the fixed limiting rod, and fixing the middle position of the special transport case in the integral overturning and fixing device, wherein the final state is shown in fig. 3;
step four:
opening the upper cover plate of the special transport case to implement receiving work;
step five:
after receiving is completed, the fixed limiting rod is opened, the special transport box is turned to the horizontal position by using a crane, and receiving is completed.
Claims (8)
1. The utility model provides a large-scale pressurized water reactor examines a piece and receives upset fixing device which characterized in that: including upset fixed stop, support and spacing frame, the bottom of spacing frame be connected with the support, be connected with upset fixed stop on the support.
2. The large pressurized water reactor test piece receiving and overturning fixing device as claimed in claim 1, wherein: the limiting frame comprises an upper limiting frame, a vertical supporting frame, a middle limiting supporting frame, a base, a turnover plate pin, an upper side limiting frame, a middle limiting support bolt, a middle limiting rod and a turnover fixing baffle.
3. The large pressurized water reactor test piece receiving and overturning fixing device as claimed in claim 2, wherein: the limiting frame comprises an upper limiting frame, a vertical supporting frame, a middle limiting supporting frame, a base, a turnover plate pin, an upper side limiting frame, a middle limiting support bolt, a middle limiting rod and a turnover fixing baffle plate which are all made of stainless steel or carbon steel.
4. The large pressurized water reactor test piece receiving and overturning fixing device as claimed in claim 2, wherein: the spacing frame include the spacing frame in upper portion, vertical support frame, the spacing stand in middle part, the spacing frame in upper portion side, the spacing support bolt in middle part and middle part gag lever post, the spacing frame in upper portion, vertical support frame, the spacing stand in middle part, the spacing frame in upper portion side and middle part gag lever post are the rectangular frame structure, the both sides of the spacing frame in upper portion are connected with the spacing frame in upper portion side respectively, the both ends of every the spacing frame in upper portion side all are connected with vertical support frame's one end, vertical support frame's middle part is connected with the spacing stand in middle part, vertical support frame's middle part has the middle part gag lever post through the spacing support bolt connection in middle part.
5. The large pressurized water reactor test piece receiving, overturning and fixing device as claimed in claim 4, characterized in that: the other end of the vertical supporting frame is connected with a base in a welding mode.
6. The large pressurized water reactor test piece receiving, overturning and fixing device as claimed in claim 4, characterized in that: the base is of a plate-shaped structure, and one side of the base is provided with a rectangular notch.
7. The large pressurized water reactor test piece receiving and overturning fixing device as claimed in claim 6, wherein: the gap in install upset fixed stop through the returning face plate pin.
8. The large pressurized water reactor test piece receiving, overturning and fixing device as claimed in claim 7, wherein: the overturning fixed baffle is of a plate-shaped structure, and the cross section of the overturning fixed baffle is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220965261.7U CN217627224U (en) | 2022-04-22 | 2022-04-22 | Receiving, overturning and fixing device for large pressurized water reactor examination piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220965261.7U CN217627224U (en) | 2022-04-22 | 2022-04-22 | Receiving, overturning and fixing device for large pressurized water reactor examination piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217627224U true CN217627224U (en) | 2022-10-21 |
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ID=83647726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220965261.7U Active CN217627224U (en) | 2022-04-22 | 2022-04-22 | Receiving, overturning and fixing device for large pressurized water reactor examination piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217627224U (en) |
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2022
- 2022-04-22 CN CN202220965261.7U patent/CN217627224U/en active Active
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