CN109378101B - Double-cover sealing mechanism - Google Patents
Double-cover sealing mechanism Download PDFInfo
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- CN109378101B CN109378101B CN201811099125.9A CN201811099125A CN109378101B CN 109378101 B CN109378101 B CN 109378101B CN 201811099125 A CN201811099125 A CN 201811099125A CN 109378101 B CN109378101 B CN 109378101B
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- barrel cover
- shielding
- cover
- barrel
- shielding barrel
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- 238000007789 sealing Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 2
- 230000002285 radioactive effect Effects 0.000 description 13
- 239000000443 aerosol Substances 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- G21F5/12—Closures for containers; Sealing arrangements
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Packages (AREA)
- Closures For Containers (AREA)
Abstract
The invention relates to a double-cover sealing mechanism, and belongs to the technical field of sealing devices. When the shielding barrel and the shielding barrel cover are locked, the airtight transfer barrel cover and the shielding barrel cover are in an unlocking state, an exhaust valve of the shielding barrel cover and an air vent valve of the airtight transfer barrel cover are automatically opened, at the moment, a shielding isolator inner cavity is formed between the shielding barrel cover and the airtight transfer barrel cover and between the shielding barrel inner shell, so that the airtight transfer barrel is communicated with the shielding barrel inner cavity, the air pressure in the airtight transfer barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the airtight transfer barrel cover can be smoothly completed; when the airtight transfer barrel cover and the shielding barrel cover are locked, the exhaust valve of the shielding barrel cover and the ventilation valve of the airtight transfer barrel cover are automatically closed, so that the airtight state of the shielding barrel and the airtight transfer barrel is ensured.
Description
Technical Field
The invention relates to a double-cover sealing mechanism, and belongs to the technical field of sealing devices.
Background
In the prior double-cover sealing technology, a patent application document with a published application number of 201210356649.8 of the national bureau is a multi-point locking double-cover sealing device, the publication date of the patent application document is 2013, 1 month and 16 days, the application relates to a multi-point locking double-cover sealing device, the device comprises an upper door component, a lower door component and a special tool, the upper door component and the lower door component all comprise a round door plate, a door seat and a plurality of sets of locking and unlocking devices, wherein the door plate is arranged in the door seat, the plurality of sets of locking and unlocking devices are uniformly arranged around the center of the door plate, the lower end of a door bolt of the upper door locking and unlocking device is slotted, the door bolt penetrates through the lower door plate to be matched with a locking shaft of the lower door locking and unlocking device, the lower end of the locking shaft is connected with a clamping plate which rotates together with the locking shaft, and the clamping plate is screwed into or screwed out of a slot on the lower door seat through the special tool, so that the lower door seat and the lower door plate can be separated from the lower door plate are realized; and meanwhile, the door bolts are connected with the lower door plate, so that the engagement of the upper door plate and the lower door plate is realized, the sealing reliability in any state is ensured, and the radioactive gas is ensured not to enter a personnel operation area.
However, the above-mentioned sealing device easily causes the air pressure change in the airtight container, causes to influence opening and closing movements to finish smoothly, even causes the bung to be unable to close in place, causes the radioactive gas leakage in the barrel.
Disclosure of Invention
The invention aims to: aiming at the technical problems in the prior art, the double-cover sealing mechanism is provided. When the exhaust valve is in butt joint with the shielding barrel cover, the exhaust valve can be automatically opened, so that the airtight transferring barrel is communicated with the inner cavity of the shielding barrel, the air pressure in the transferring barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the transferring barrel cover can be smoothly completed. When the transfer barrel cover is separated from the shielding barrel cover, the exhaust valve is automatically closed, so that the shielding barrel and the transfer barrel are ensured to be in airtight states.
The technical scheme is as follows: in order to achieve the above object, the present invention adopts the following technical scheme:
the double-cover locking mechanism comprises a shielding barrel, a shielding barrel cover, an airtight transfer barrel and an airtight transfer barrel cover;
the shielding barrel cover is provided with a shielding barrel cover locking ring, and a shielding barrel cover lock catch is fixedly arranged on the shielding barrel cover locking ring;
a barrel chamber locking block is arranged at the upper end of the shielding barrel;
the locking ring of the shielding barrel cover is rotated to enable the locking buckle of the shielding barrel cover to be matched with a barrel chamber locking block arranged at the upper end of the shielding barrel so as to lock/unlock the shielding barrel cover and the shielding barrel;
a barrel cover locking pin is arranged at the lower end of the shielding barrel cover;
the upper part of the airtight transfer barrel cover is fixedly provided with a locking pin sheave, and a clamping groove is formed in the barrel cover locking pin sheave; the locking/unlocking of the airtight transfer barrel cover and the shielding barrel cover is realized by matching the barrel cover locking pin with the barrel cover locking pin grooved pulley clamping groove;
when the airtight transfer barrel cover and the shielding barrel cover are unlocked, the shielding barrel cover and the shielding barrel are locked, and the airtight transfer barrel cover and the airtight transfer barrel are buckled; when the airtight transfer bucket cover and the shielding bucket cover are locked, the shielding bucket cover and the shielding bucket are unlocked, and the airtight transfer bucket cover and the shielding bucket cover are synchronously opened and closed;
a shielding barrel cover mandrel is fixedly arranged in the middle of the shielding barrel cover, and an exhaust valve is further arranged in the shielding barrel cover mandrel; a ventilation valve is arranged on the airtight transfer barrel cover;
when the shielding barrel and the shielding barrel cover are locked, the airtight transfer barrel cover and the shielding barrel cover are in an unlocking state, an exhaust valve of the shielding barrel cover and an air vent valve of the airtight transfer barrel cover are automatically opened, at the moment, a shielding isolator inner cavity is formed between the shielding barrel cover and the airtight transfer barrel cover and between the shielding barrel inner shell, so that the airtight transfer barrel is communicated with the shielding barrel inner cavity, the air pressure in the airtight transfer barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the airtight transfer barrel cover can be smoothly completed; when the airtight transfer barrel cover and the shielding barrel cover are locked, the exhaust valve of the shielding barrel cover and the ventilation valve of the airtight transfer barrel cover are automatically closed, so that the airtight state of the shielding barrel and the airtight transfer barrel is ensured.
The air pressure change in the transfer barrel can be caused when the transfer barrel cover is opened and closed, the air pressure change in the cylinder is caused by the movement of the piston, the opening and closing actions are affected to be completed smoothly, and even the barrel cover cannot be closed in place, so that radioactive gas in the barrel is leaked. The exhaust valve can be automatically opened when the transfer barrel cover is in butt joint with the shielding barrel cover, so that the airtight transfer barrel is communicated with the inner cavity of the shielding barrel, the air pressure in the transfer barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the transfer barrel cover can be smoothly completed. When the transfer barrel cover is separated from the shielding barrel cover, the exhaust valve is automatically closed, so that the shielding barrel and the transfer barrel are ensured to be in airtight states.
A sealing ring is arranged between the shielding barrel cover and the airtight transfer barrel cover, and when the shielding barrel cover and the airtight transfer barrel cover are locked, the outer surfaces of the shielding barrel cover and the airtight transfer barrel cover are tightly combined together through the sealing ring to form a double-cover complex.
The sealing ring has the advantages that the sealing ring is used for realizing air tightness between the shielding barrel cover and the transferring barrel cover, so that the radioactive aerosol can not permeate into gaps between two layers of cover bodies, and the outer surface is polluted. When the double covers are opened together, the outer surfaces of the two layers of cover bodies are tightly combined together and sealed by the shielding barrel cover and the transferring barrel cover sealing ring, so that the outer surfaces of the two layers of cover bodies are not polluted even if the double covers are exposed to radioactive aerosol. After the double-cap composite is separated, the "inner surface" of the composite becomes the outer surface of the independent system, which is not contaminated, in a "clean" state. When the double covers are closed, all surfaces contaminated by radioactive aerosol are closed by the system, and the surfaces are not exposed, so that pollution caused by secondary volatilization is avoided.
As a further improvement, a locking cover/unlocking driving cylinder is arranged on the shielding barrel cover, and the rotation of the shielding barrel cover locking ring and the expansion and contraction of the barrel cover locking pin are synchronously driven by the locking cover/unlocking driving cylinder.
The locking and unlocking mechanism has the advantages that the locking and unlocking actions of the transfer barrel cover and the shielding barrel cover and the locking/unlocking actions of the shielding barrel cover and the shielding barrel are driven by a single linear cylinder, so that the driving mechanism is ensured to be simplified most, and the two actions are ensured to be completely synchronous. When the shielding barrel cover is locked with the shielding barrel, the shielding barrel cover is unlocked with the transfer barrel cover, and the transfer barrel can be separated from butt joint; on the contrary, when the shielding barrel cover and the shielding barrel are unlocked, the shielding barrel cover and the transferring barrel cover are locked, and at the moment, two layers of sealing covers can be synchronously opened to start material transferring operation.
The locking cover and unlocking driving cylinder can be a double-acting cylinder with the model of festo DSNU-12-10-P-A linear motion, the air supply pressure is 6bar, the theoretical acting force is 51N, and the stroke is 10mm. The linear motion output by the cylinder has double functions, and drives the locking ring of the shielding barrel cover to rotate, so that the locking and unlocking functions of the sealing cover and the shielding barrel are realized; the locking pin is driven to stretch out and draw back so as to lock and unlock the shielding barrel cover and the transfer barrel cover.
As a further improvement, the shielding barrel cover is also provided with a manual cover opening handle for controlling the opening and closing of the shielding barrel cover.
The double-cover sealing device is a system in which a transfer cover and a shielding cover are combined together through a locking/unlocking mechanism to finish synchronous opening, closing, separating and other actions, and the closed ground material transferring operation is performed through the actions. After the two layers of covers are combined into a whole, the two layers of covers can be synchronously opened, and the two independent sealing systems are combined into a unified sealing system, so that the outside of the system is not polluted. When the double-layer cover complex is restored to be buckled, the double-layer cover complex can be unlocked again to form two independent sealing covers, and the original unified sealing system is divided into two independent and separable sealing systems. The double covers refer to a transfer barrel cover and a shielding barrel cover.
Compared with the prior art, the double-cover sealing mechanism has the beneficial effects that: when the transfer barrel cover is opened and closed, the air pressure in the transfer barrel can be changed, the air pressure in the transfer barrel is similar to the air pressure in the air cylinder caused by the movement of the piston, the opening and closing actions are affected to be smoothly completed, and even the barrel cover cannot be closed in place, so that radioactive gas in the barrel is leaked. The exhaust valve can be automatically opened when the transfer barrel cover is in butt joint with the shielding barrel cover, so that the airtight transfer barrel is communicated with the inner cavity of the shielding barrel, the air pressure in the transfer barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the transfer barrel cover can be smoothly completed. When the transfer barrel cover is separated from the sealing cover in the barrel, the exhaust valve is automatically closed, so that the airtight state of the barrel chamber and the transfer barrel is ensured.
Drawings
FIG. 1 is a perspective view of a dual cap sealing mechanism;
FIG. 2 is a cross-sectional view of a dual cap seal mechanism;
in the figure: 1. locking/unlocking driving cylinder; 2. a shielding barrel cover mandrel; 3. a locking ring of the shielding barrel cover; 31. locking the shielding barrel cover; 4. a locking pin sheave; 5. a barrel chamber locking block; 6. a barrel cover locking pin; 7. a manual uncapping handle; 8. a seal ring; seventhly, an airtight transfer barrel cover; a vent valve; and 11, exhausting the valve.
Detailed Description
The invention will be further illustrated by the following description of specific examples, which are given in connection with the accompanying drawings and are to be construed as illustrative only and not limiting the scope of the invention.
As shown in fig. 1 and 2, the double-cover sealing mechanism comprises a shielding barrel, a shielding barrel cover, an airtight transfer barrel and an airtight transfer barrel cover 9;
the shielding barrel cover is provided with a shielding barrel cover locking ring 3, and a shielding barrel cover lock catch 31 is fixedly arranged on the shielding barrel cover locking ring 3;
the upper end of the shielding barrel is provided with a barrel chamber locking block 5;
the locking ring 3 of the shielding barrel cover is rotated to enable the locking buckle 31 of the shielding barrel cover to be matched with the locking block 5 of the barrel chamber so as to lock and unlock the shielding barrel cover and the shielding barrel;
the lower end of the shielding barrel cover is provided with a barrel cover locking pin 6;
a barrel cover locking pin sheave 4 is fixed at the upper part of the airtight transfer barrel cover 9, and a clamping groove is formed in the barrel cover locking pin sheave 4; the locking/unlocking of the airtight transfer barrel cover 9 and the shielding barrel cover is realized by matching the barrel cover locking pin 6 with the clamping groove of the barrel cover locking pin grooved wheel 4;
when the airtight transfer barrel cover 9 and the shielding barrel cover are unlocked, the shielding barrel cover and the shielding barrel are locked, and the airtight transfer barrel cover 9 and the airtight transfer barrel are buckled; when the airtight transfer bucket cover 9 and the shielding bucket cover are locked, the shielding bucket cover and the shielding bucket are unlocked, and the airtight transfer bucket cover 9 and the shielding bucket cover are synchronously opened and closed;
a shielding barrel cover mandrel 2 is fixedly arranged in the middle of the shielding barrel cover, and an exhaust valve 11 is further arranged in the shielding barrel cover mandrel; a vent valve 10 is arranged on the airtight transfer barrel cover 9;
when the shielding barrel and the shielding barrel cover are locked, the airtight transfer barrel cover 9 and the shielding barrel cover are in an unlocking state, the exhaust valve 11 of the shielding barrel cover and the ventilation valve 11 of the airtight transfer barrel cover 9 are automatically opened, at the moment, a shielding isolator inner cavity is formed between the shielding barrel cover and the airtight transfer barrel cover 9 as well as between the shielding barrel inner shell, so that the airtight transfer barrel is communicated with the shielding barrel inner cavity, the air pressure in the airtight transfer barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the airtight transfer barrel cover 9 can be smoothly completed; when the airtight transfer barrel cover 9 and the shielding barrel cover are locked, the exhaust valve 11 of the shielding barrel cover and the ventilation valve 11 of the airtight transfer barrel cover 9 are automatically closed, so that the airtight state of the shielding barrel and the airtight transfer barrel is ensured.
The air pressure change in the transfer barrel can be caused when the transfer barrel cover is opened and closed, the air pressure change in the cylinder is caused by the movement of the piston, the opening and closing actions are affected to be completed smoothly, and even the barrel cover cannot be closed in place, so that radioactive gas in the barrel is leaked. The exhaust valve can be automatically opened when the transfer barrel cover is in butt joint with the shielding barrel cover, so that the airtight transfer barrel is communicated with the inner cavity of the shielding barrel, the air pressure in the transfer barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the transfer barrel cover can be smoothly completed. When the transfer barrel cover is separated from the shielding barrel cover, the exhaust valve is automatically closed, so that the shielding barrel and the transfer barrel are ensured to be in airtight states.
As a further improvement, a sealing ring is arranged between the shielding barrel cover and the airtight transfer barrel cover 9, and when the shielding barrel cover and the airtight transfer barrel cover 9 are locked, the outer surfaces of the shielding barrel cover and the airtight transfer barrel cover 9 are tightly combined together through the sealing ring to form a double-cover complex.
The sealing ring has the advantages that the sealing ring is used for realizing air tightness between the shielding barrel cover and the transferring barrel cover, so that the radioactive aerosol can not permeate into gaps between two layers of cover bodies, and the outer surface is polluted. When the double covers are opened together, the outer surfaces of the two layers of cover bodies are tightly combined together and sealed by the shielding barrel cover and the transferring barrel cover sealing ring, so that the outer surfaces of the two layers of cover bodies are not polluted even if the double covers are exposed to radioactive aerosol. After the double-cap composite is separated, the "inner surface" of the composite becomes the outer surface of the independent system, which is not contaminated, in a "clean" state. When the double covers are closed, all surfaces contaminated by radioactive aerosol are closed by the system, and the surfaces are not exposed, so that pollution caused by secondary volatilization is avoided.
As a further improvement, the shielding barrel cover is provided with a locking cover/unlocking driving cylinder 1, and the rotation of the shielding barrel cover locking ring 3 and the extension and retraction of the barrel cover locking pin 6 are synchronously driven by the locking cover/unlocking driving cylinder 1.
The locking and unlocking mechanism has the advantages that the locking and unlocking actions of the transfer barrel cover and the shielding barrel cover and the locking/unlocking actions of the shielding barrel cover and the shielding barrel are driven by a single linear cylinder, so that the driving mechanism is ensured to be simplified most, and the two actions are ensured to be completely synchronous. When the shielding barrel cover is locked with the shielding barrel, the shielding barrel cover is unlocked with the transfer barrel cover, and the transfer barrel can be separated from butt joint; on the contrary, when the shielding barrel cover and the shielding barrel are unlocked, the shielding barrel cover and the transferring barrel cover are locked, and at the moment, two layers of sealing covers can be synchronously opened to start material transferring operation.
The locking cover and unlocking driving cylinder can be a double-acting cylinder with the model of festo DSNU-12-10-P-A linear motion, the air supply pressure is 6bar, the theoretical acting force is 51N, and the stroke is 10mm. The linear motion output by the cylinder has double functions, and drives the locking ring of the shielding barrel cover to rotate, so that the locking and unlocking functions of the sealing cover and the shielding barrel are realized; the locking pin is driven to stretch out and draw back so as to lock and unlock the shielding barrel cover and the transfer barrel cover.
As a further improvement, the shielding barrel cover is also provided with a manual cover opening handle 7 for controlling the opening and closing of the shielding barrel cover.
The double-cover sealing device is a system in which a transfer cover and a shielding cover are combined together through a locking/unlocking mechanism to finish synchronous opening, closing, separating and other actions, and the closed ground material transferring operation is performed through the actions. After the two layers of covers are combined into a whole, the two layers of covers can be synchronously opened, and the two independent sealing systems are combined into a unified sealing system, so that the outside of the system is not polluted. When the double-layer cover complex is restored to be buckled, the double-layer cover complex can be unlocked again to form two independent sealing covers, and the original unified sealing system is divided into two independent and separable sealing systems. The double covers refer to a transfer barrel cover and a shielding barrel cover.
Compared with the prior art, the double-cover locking mechanism has the beneficial effects that: the device is suitable for storing and transporting volatile radioactive substances, the whole transportation operation process keeps an airtight state, radioactive aerosol is prevented from leaking to a personnel operation area, and the risk of radioactive aerosol pollution is obviously reduced; the degree of automation is high. The automatic executing elements are all pneumatic elements, and the operation flows of butt joint/separation of double covers, container opening, cover buckling and the like are automatically completed, so that the reliability of the equipment is improved, and the failure rate of the equipment is reduced; meanwhile, the working intensity of operators is reduced, and the use efficiency of equipment is improved; by using the double-cover locking device disclosed by the invention, the volatile radioactive substances can be directly transported between different isolators by combining other mechanisms of the sealed transport system without passing through an ear box or an air lock.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (4)
1. The utility model provides a double-cover sealing mechanism, double-cover sealing mechanism includes shielding bucket, shielding bung, airtight transportation bucket and airtight transportation bung (9), its characterized in that:
the shielding barrel cover is provided with a shielding barrel cover locking ring (3), and a shielding barrel cover lock catch (31) is fixedly arranged on the shielding barrel cover locking ring (3);
a barrel chamber locking block (5) is arranged at the upper end of the shielding barrel;
the shielding barrel cover locking ring (3) is rotated to enable the shielding barrel cover lock catch (31) to be matched with the barrel chamber locking block (5) so as to lock and unlock the shielding barrel cover and the shielding barrel;
a barrel cover locking pin (6) is arranged at the lower end of the shielding barrel cover;
a barrel cover locking pin sheave (4) is fixed at the upper part of the airtight transfer barrel cover (9), and a clamping groove is formed in the barrel cover locking pin sheave (4); the locking/unlocking of the airtight transfer barrel cover (9) and the shielding barrel cover is realized by matching the barrel cover locking pin (6) with the clamping groove of the barrel cover locking pin grooved wheel (4);
when the airtight transfer barrel cover (9) and the shielding barrel cover are unlocked, the shielding barrel cover and the shielding barrel are locked, and the airtight transfer barrel cover (9) and the airtight transfer barrel are buckled; when the airtight transfer barrel cover (9) and the shielding barrel cover are locked, the shielding barrel cover and the shielding barrel are unlocked, and the airtight transfer barrel cover (9) and the shielding barrel cover are synchronously opened;
a shielding barrel cover mandrel (2) is fixedly arranged in the middle of the shielding barrel cover, and an exhaust valve (11) is further arranged in the shielding barrel cover mandrel; a ventilation valve (10) is arranged on the airtight transfer barrel cover (9);
when the shielding barrel and the shielding barrel cover are locked, the airtight transfer barrel cover (9) and the shielding barrel cover are in an unlocking state, an exhaust valve (11) of the shielding barrel cover and a ventilation valve (10) of the airtight transfer barrel cover (9) are automatically opened, at the moment, a shielding isolator inner cavity is formed between the shielding barrel cover and the airtight transfer barrel cover (9) and between the shielding barrel inner shell, so that the airtight transfer barrel is communicated with the shielding barrel inner cavity, the air pressure in the airtight transfer barrel is ensured to be consistent with the air pressure in the shielding barrel, and the opening and closing actions of the airtight transfer barrel cover (9) can be smoothly completed; when the airtight transfer barrel cover (9) and the shielding barrel cover are locked, the exhaust valve (11) of the shielding barrel cover and the ventilation valve (10) of the airtight transfer barrel cover (9) are automatically closed, so that the airtight state of the shielding barrel and the airtight transfer barrel is ensured.
2. A dual cap seal mechanism as claimed in claim 1 wherein: a sealing ring is arranged between the shielding barrel cover and the airtight transfer barrel cover (9), and when the shielding barrel cover and the airtight transfer barrel cover (9) are locked, the outer surfaces of the shielding barrel cover and the airtight transfer barrel cover (9) are tightly combined together through the sealing ring to form a double-cover complex.
3. A dual cap seal mechanism as claimed in claim 1 wherein: the shielding barrel cover is provided with a locking cover/unlocking driving cylinder (1), and rotation of the shielding barrel cover locking ring (3) and expansion and contraction of the barrel cover locking pin (6) are synchronously driven by the locking cover/unlocking driving cylinder (1).
4. A dual cap seal mechanism as claimed in claim 1 wherein: the shielding barrel cover is also provided with a manual cover opening handle (7) for controlling the opening and closing of the shielding barrel cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099125.9A CN109378101B (en) | 2018-09-20 | 2018-09-20 | Double-cover sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099125.9A CN109378101B (en) | 2018-09-20 | 2018-09-20 | Double-cover sealing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109378101A CN109378101A (en) | 2019-02-22 |
| CN109378101B true CN109378101B (en) | 2023-12-19 |
Family
ID=65405293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099125.9A Active CN109378101B (en) | 2018-09-20 | 2018-09-20 | Double-cover sealing mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN109378101B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11691316B2 (en) * | 2021-03-29 | 2023-07-04 | Quest Resource Management Group | Commercial recycling system and method |
| CN114684556B (en) * | 2022-03-02 | 2024-05-31 | 中国核电工程有限公司 | Vertical sealing transfer device |
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| US4302680A (en) * | 1978-07-08 | 1981-11-24 | Transnuklear Gmbh | Cover construction for shielding containers for the storage and transporation of irradiated fuel elements |
| CN202134219U (en) * | 2011-06-20 | 2012-02-01 | 中国核电工程有限公司 | Handheld protective transferring container |
| CN102881345A (en) * | 2012-09-21 | 2013-01-16 | 中国核电工程有限公司 | Multi-point locked double-cover sealing device |
| CN103245679A (en) * | 2013-05-10 | 2013-08-14 | 中国原子能科学研究院 | Transmission source device |
| CN104485145A (en) * | 2014-10-29 | 2015-04-01 | 中国核电工程有限公司 | Gravity type double-cover sealing device |
| CN107680701A (en) * | 2017-09-22 | 2018-02-09 | 中国核电工程有限公司 | A kind of twin-tub cap sealing |
| CN207346357U (en) * | 2017-08-30 | 2018-05-11 | 舒玉玲 | A kind of double-canopy glue spraying bucket |
| CN207765180U (en) * | 2017-09-28 | 2018-08-24 | 深圳中广核工程设计有限公司 | Nuclear power plant's radwaste safe transit cask flask |
| CN209249096U (en) * | 2018-09-20 | 2019-08-13 | 原子高科股份有限公司 | A kind of double-canopy sealing mechanism |
-
2018
- 2018-09-20 CN CN201811099125.9A patent/CN109378101B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1521204A (en) * | 1975-10-03 | 1978-08-16 | Commissariat Energie Atomique | Container for radioactive objects |
| US4302680A (en) * | 1978-07-08 | 1981-11-24 | Transnuklear Gmbh | Cover construction for shielding containers for the storage and transporation of irradiated fuel elements |
| CN202134219U (en) * | 2011-06-20 | 2012-02-01 | 中国核电工程有限公司 | Handheld protective transferring container |
| CN102881345A (en) * | 2012-09-21 | 2013-01-16 | 中国核电工程有限公司 | Multi-point locked double-cover sealing device |
| CN103245679A (en) * | 2013-05-10 | 2013-08-14 | 中国原子能科学研究院 | Transmission source device |
| CN104485145A (en) * | 2014-10-29 | 2015-04-01 | 中国核电工程有限公司 | Gravity type double-cover sealing device |
| CN207346357U (en) * | 2017-08-30 | 2018-05-11 | 舒玉玲 | A kind of double-canopy glue spraying bucket |
| CN107680701A (en) * | 2017-09-22 | 2018-02-09 | 中国核电工程有限公司 | A kind of twin-tub cap sealing |
| CN207765180U (en) * | 2017-09-28 | 2018-08-24 | 深圳中广核工程设计有限公司 | Nuclear power plant's radwaste safe transit cask flask |
| CN209249096U (en) * | 2018-09-20 | 2019-08-13 | 原子高科股份有限公司 | A kind of double-canopy sealing mechanism |
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| Publication number | Publication date |
|---|---|
| CN109378101A (en) | 2019-02-22 |
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