CN113571220A - Assembly pressing and loosening device for new fuel transportation container - Google Patents
Assembly pressing and loosening device for new fuel transportation container Download PDFInfo
- Publication number
- CN113571220A CN113571220A CN202110711687.XA CN202110711687A CN113571220A CN 113571220 A CN113571220 A CN 113571220A CN 202110711687 A CN202110711687 A CN 202110711687A CN 113571220 A CN113571220 A CN 113571220A
- Authority
- CN
- China
- Prior art keywords
- pressing block
- container
- new fuel
- assembly
- cylinder body
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- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 63
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/08—Shock-absorbers, e.g. impact buffers for containers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of dangerous goods transportation, and particularly relates to an assembly pressing and loosening device for a new fuel transportation container, which comprises a first pressing block (5) and a second pressing block (4), wherein the first pressing block (5) is arranged in a container inner cylinder body (2) and is used for fixing a new fuel assembly (1) in the container inner cylinder body (2), and the second pressing block (4) is fixed on the inner surface of a top plate (7) of the container inner cylinder body (2) and is positioned below the first pressing block (5); when second compact heap (4) are close to first compact heap (5), first compact heap (5) can be with second compact heap (4) to the bottom plate (8) direction motion of barrel (2) in the container, with new fuel assembly (1) sticis fixed on bottom plate (8) of barrel (2) in the container, when second compact heap (4) kept away from first compact heap (5), second compact heap (4) remove the sticis fixed to barrel (2) in the container, the acceleration of avoiding new fuel assembly (1) during the transportation surpasss the limit value.
Description
Technical Field
The invention belongs to the technical field of dangerous goods transportation, and particularly relates to an assembly pressing and loosening device for a new fuel transportation container.
Background
The new fuel assemblies used by the reactor of the nuclear power plant need to be arranged in a special new fuel assembly transport container for transportation, the new fuel assembly transport container needs to ensure safety in the transportation process, and the new fuel assemblies are ensured to be contained in the container under normal transportation conditions and transportation accident conditions. In order to ensure the smooth loading of the new fuel assembly, a certain gap is reserved between the assembly and the cylinder body in the container, and the risk that the acceleration of the assembly exceeds the limit value is generated due to the existence of the gap in the transportation process of roads, railways and seaways. It is therefore necessary to consider the selection of suitable assembly holding-down devices in the design of the container to ensure the safety of the fuel assemblies loaded in the container during normal transport. Meanwhile, the pressing device can timely and quickly remove the pressing effect when the assembly is unloaded, and the influence on the unloading process is small.
In the process of realizing the transportation of the new fuel assembly, the inventor finds that at least the following problems exist in the prior art:
and a device which is specially suitable for a new fuel assembly transportation container, has simple structure, easy operation and easy maintenance and can effectively realize compaction is lacked.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an assembly compressing and releasing device for a new fuel transport container, which reduces the influence on a new fuel assembly in the new fuel transport container in the transportation process, has good impact resistance, is easy to operate and maintain, and ensures the transportation safety of the new fuel assembly.
In order to achieve the above purpose, the technical scheme adopted by the invention is an assembly pressing and releasing device for a new fuel transportation container, wherein the assembly pressing and releasing device is arranged in a container inner cylinder body and is used for fixing a new fuel assembly in the container inner cylinder body, and comprises a first pressing block fixedly arranged on the inner surface of a top plate of the container inner cylinder body and a movable second pressing block positioned below the first pressing block; when the second compression block is close to the first compression block, the first compression block can move the second compression block towards the direction of the bottom plate of the cylinder body in the container, so that the new fuel assembly is compressed and fixed on the bottom plate of the cylinder body in the container; when the second pressing block is far away from the first pressing block, the second pressing block releases the pressing and fixing of the cylinder body in the container.
Further, the first compression block and the second compression block are of wedge-shaped structures, a first inclined surface is arranged on the first compression block, a second inclined surface is arranged on the second compression block, the first inclined surface and the second inclined surface are arranged oppositely, when the second compression block is close to the first compression block, the second inclined surface of the second compression block slides along the first inclined surface of the first compression block, and then the second compression block moves towards the direction of the bottom plate of the cylinder body in the container, so that the new fuel assembly is tightly pressed and fixed on the bottom plate of the cylinder body in the container by the second compression block; when the second pressing block is far away from the first pressing block, the first inclined plane and the second inclined plane are far away from each other, and the pressing and fixing of the second pressing block on the cylinder body in the container are released.
Further, a push-pull structure is arranged on the second pressing block, and the push-pull structure drives the second pressing block to move, so that the second pressing block and the first pressing block are close to or far away from each other.
Furthermore, the push-pull structure can realize locking, and the types of the push-pull structure comprise a screw transmission structure and a gear rack transmission structure.
Furthermore, an assembly grid is arranged on the outer surface of the new fuel assembly, and when the second compression block compresses and fixes the new fuel assembly on the bottom plate of the container inner cylinder, the second compression block is in contact with the assembly grid to realize compression and fixation of the new fuel assembly.
Furthermore, a non-metal material is arranged at the position where the bottom of the second compression block is in contact with the assembly grillwork.
Further, the first pressing block is fixedly arranged on the inner surface of the top plate of the cylinder body in the container in a welding mode or a bolt connection mode.
The invention has the beneficial effects that:
1. after the technical scheme is adopted, the new fuel assembly 1 can be effectively compressed after being loaded in the cylinder 2 in the container, the acceleration of the new fuel assembly 1 caused by the gap between the cylinder 2 and the new fuel assembly 1 in the container during transportation of the new fuel transportation container is prevented from exceeding the limit value, and the safety of the new fuel assembly 1 in the normal transportation process of roads, railways and seaways is ensured.
2. The novel fuel assembly 1 has the advantages of simple structure, reliable effect and easy maintenance, and the pressing position is at the assembly grillwork 6 of the novel fuel assembly 1, so that the novel fuel assembly 1 can be effectively protected. Meanwhile, the compression effect can be quickly relieved, and safe and quick unloading can be realized.
Drawings
Fig. 1 is a schematic view of an assembly pressing and releasing device for a new fuel transportation container according to an embodiment of the present invention (in the drawing, a first pressing block 5 and a second pressing block 4 are in a released state);
fig. 2 is a schematic view of an assembly pressing and releasing device for a new fuel transportation container according to an embodiment of the present invention (in the figure, a first pressing block 5 and a second pressing block 4 are in a pressed state);
in the figure: 1-new fuel assembly, 2-container inner cylinder, 3-push-pull structure, 4-second compression block, 5-first compression block, 6-assembly grillwork, 7-top plate and 8-bottom plate.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1 and fig. 2, the invention provides a device for compressing and releasing a new fuel transportation container assembly, wherein the device is arranged in a container inner cylinder 2 and used for fixing the new fuel assembly 1 in the container inner cylinder 2, and comprises a first compression block 5 fixedly arranged on the inner surface of a top plate 7 of the container inner cylinder 2 and a movable second compression block 4 positioned below the first compression block 5; when the second pressing block 4 is close to the first pressing block 5, the first pressing block 5 can move the second pressing block 4 towards the bottom plate 8 of the cylinder body 2 in the container, so that the new fuel assembly 1 is pressed and fixed on the bottom plate 8 of the cylinder body 2 in the container; when the second pressing block 4 is far away from the first pressing block 5, the second pressing block 4 releases the pressing fixation of the cylinder body 2 in the container.
The first pressing block 5 and the second pressing block 4 are of wedge-shaped structures, a first inclined surface is arranged on the first pressing block 5, a second inclined surface is arranged on the second pressing block 4, the first inclined surface and the second inclined surface are oppositely arranged, after the new fuel assembly 1 enters the cylinder body 2 in the container and is accurately positioned, when the second pressing block 4 is close to the first pressing block 5, the second inclined surface of the second pressing block 4 slides along the first inclined surface of the first pressing block 5, so that the second pressing block 4 moves towards the direction of the bottom plate 8 of the cylinder body 2 in the container, and the new fuel assembly 1 is tightly pressed and fixed on the bottom plate 8 of the cylinder body 2 in the container by the second pressing block 4; when the second pressing block 4 is far away from the first pressing block 5, the first inclined plane and the second inclined plane are far away from each other, and the pressing and fixing of the second pressing block 4 on the cylinder body 2 in the container are released.
The second pressing block 4 is provided with a push-pull structure 3, the push-pull structure 3 drives the second pressing block 4 to move, and the second pressing block 4 and the first pressing block 5 are close to or far away from each other; the second pressing block 4 moves along the first inclined plane of the first pressing block 5 under the action of the push-pull structure 3, so that the new fuel assembly 1 is pressed, and the pressing and fixing effect on the new fuel assembly 1 is realized; when the new fuel assembly 1 needs to be unloaded, the second compression block 4 can be far away from the new fuel assembly 1 through the push-pull structure 3, and then the new fuel assembly 1 is moved out of the cylinder 2 in the container.
The push-pull structure 3 can bear pushing force and pulling force and can realize locking, and the types of the push-pull structure 3 comprise a screw transmission structure, a gear rack transmission structure and the like.
An assembly grid 6 is arranged on the outer surface of the new fuel assembly 1, and when the second compression block 4 compresses and fixes the new fuel assembly 1 on the bottom plate 8 of the container inner cylinder 2, the second compression block 4 is in contact with the assembly grid 6 to realize compression and fixation of the new fuel assembly 1.
Non-metal materials which are not easy to age are arranged at the positions, where the bottoms of the second compression blocks 4 are in contact with the component grillwork 6.
The first pressing block 5 is fixedly arranged on the inner surface of the top plate 7 of the cylinder body 2 in the container in a welding mode or a bolt connection mode.
The device according to the present invention is not limited to the embodiments described in the specific embodiments, and those skilled in the art can derive other embodiments according to the technical solutions of the present invention, and also belong to the technical innovation scope of the present invention.
Claims (7)
1. An assembly pressing and releasing device for a new fuel transportation container is characterized in that: the device is arranged in the container inner cylinder body (2) and used for fixing a new fuel assembly (1) in the container inner cylinder body (2), and comprises a first pressing block (5) fixedly arranged on the inner surface of a top plate (7) of the container inner cylinder body (2) and a second pressing block (4) which is positioned below the first pressing block (5) and can move; when the second compression block (4) is close to the first compression block (5), the first compression block (5) can move the second compression block (4) towards the bottom plate (8) of the cylinder body (2) in the container, and then the new fuel assembly (1) is tightly pressed and fixed on the bottom plate (8) of the cylinder body (2) in the container; when the second pressing block (4) is far away from the first pressing block (5), the second pressing block (4) releases the pressing and fixing of the cylinder body (2) in the container.
2. The assembly clamping and releasing device for a new fuel transport container as set forth in claim 1, wherein: the first pressing block (5) and the second pressing block (4) are of wedge-shaped structures, a first inclined surface is arranged on the first pressing block (5), a second inclined surface is arranged on the second pressing block (4), the first inclined surface and the second inclined surface are arranged oppositely, when the second pressing block (4) is close to the first pressing block (5), the second inclined surface of the second pressing block (4) slides along the first inclined surface of the first pressing block (5), and then the second pressing block (4) moves towards the direction of the bottom plate (8) of the cylinder body (2) in the container, so that the second pressing block (4) presses and fixes the new fuel assembly (1) on the bottom plate (8) of the cylinder body (2) in the container; when the second pressing block (4) is far away from the first pressing block (5), the first inclined plane and the second inclined plane are far away from each other, and the pressing and fixing of the second pressing block (4) on the cylinder body (2) in the container are released.
3. The assembly clamping and releasing device for a new fuel transport container as set forth in claim 2, wherein: the second pressing block (4) is provided with a push-pull structure (3), the push-pull structure (3) drives the second pressing block (4) to move, and the second pressing block (4) and the first pressing block (5) are close to or far away from each other.
4. A new fuel transfer container assembly clamping and unclamping apparatus as claimed in claim 3 wherein: the push-pull structure (3) can realize locking, and the push-pull structure (3) comprises a screw transmission structure and a gear rack transmission structure.
5. A new fuel transfer container assembly clamping and unclamping apparatus as claimed in claim 3 wherein: an assembly grid (6) is arranged on the outer surface of the new fuel assembly (1), and when the second compression block (4) compresses and fixes the new fuel assembly (1) on the bottom plate (8) of the cylinder body (2) in the container, the second compression block (4) is in contact with the assembly grid (6) to realize compression and fixation of the new fuel assembly (1).
6. The assembly clamping and releasing device for a new fuel transport container as set forth in claim 5, wherein: and a non-metal material is arranged at the position where the bottom of the second pressing block (4) is contacted with the assembly grillwork (6).
7. The assembly clamping and releasing device for a new fuel transport container as set forth in claim 1, wherein: the first pressing block (5) is fixedly arranged on the inner surface of a top plate (7) of the cylinder (2) in the container in a welding mode or a bolt connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711687.XA CN113571220A (en) | 2021-06-25 | 2021-06-25 | Assembly pressing and loosening device for new fuel transportation container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711687.XA CN113571220A (en) | 2021-06-25 | 2021-06-25 | Assembly pressing and loosening device for new fuel transportation container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113571220A true CN113571220A (en) | 2021-10-29 |
Family
ID=78162780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110711687.XA Pending CN113571220A (en) | 2021-06-25 | 2021-06-25 | Assembly pressing and loosening device for new fuel transportation container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113571220A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502189A (en) * | 2014-12-15 | 2015-04-08 | 广西科技大学 | Carbon fiber plate clamping device |
| CN105033902A (en) * | 2015-08-27 | 2015-11-11 | 上海怡博船务有限公司 | Pull block type installation fixture |
| CN206490109U (en) * | 2017-02-12 | 2017-09-12 | 苏州德博新能源有限公司 | A kind of Bidirectional compacting device |
| CN112071460A (en) * | 2020-07-28 | 2020-12-11 | 中国核电工程有限公司 | Pressing device of new fuel assembly and transport container |
-
2021
- 2021-06-25 CN CN202110711687.XA patent/CN113571220A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502189A (en) * | 2014-12-15 | 2015-04-08 | 广西科技大学 | Carbon fiber plate clamping device |
| CN105033902A (en) * | 2015-08-27 | 2015-11-11 | 上海怡博船务有限公司 | Pull block type installation fixture |
| CN206490109U (en) * | 2017-02-12 | 2017-09-12 | 苏州德博新能源有限公司 | A kind of Bidirectional compacting device |
| CN112071460A (en) * | 2020-07-28 | 2020-12-11 | 中国核电工程有限公司 | Pressing device of new fuel assembly and transport container |
Non-Patent Citations (1)
| Title |
|---|
| 高志等: "机械原理课程设计", 31 May 2016, 华东理工大学出版社, pages: 9 - 20 * |
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