CN107680701A - A kind of twin-tub cap sealing - Google Patents
A kind of twin-tub cap sealing Download PDFInfo
- Publication number
- CN107680701A CN107680701A CN201710864612.9A CN201710864612A CN107680701A CN 107680701 A CN107680701 A CN 107680701A CN 201710864612 A CN201710864612 A CN 201710864612A CN 107680701 A CN107680701 A CN 107680701A
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- CN
- China
- Prior art keywords
- inner barrelhead
- rotating disk
- bearing
- outer bung
- cap sealing
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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.)
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Closing Of Containers (AREA)
- Sealing Of Jars (AREA)
Abstract
It can make inside and outside two bungs while the twin-tub cap sealing of sealing or opening the present invention relates to a kind of, including outer barrel cap sealing, interior bucket cap sealing, self-locking device, outer barrel cap sealing includes outer bung rotating disk, outside link, and the arc groove being adapted with the end of outside link is provided with outer bung flange；Interior bucket cap sealing includes inner barrelhead rotating disk, draw-in bar, and the arc groove being adapted with the end of draw-in bar is provided with inner barrelhead flange；It is connected between outer bung rotating disk and inner barrelhead rotating disk by rotating shaft, in the rotation process of outer bung rotating disk and inner barrelhead rotating disk, outside link and draw-in bar motion are driven respectively, the end of outside link and draw-in bar is respectively enterd or deviate from the arc groove of each self-corresponding outer barrel lid flange or inner barrelhead flange, realize sealing or the opening of twin-tub lid.This invention simplifies equipment, reduces the program of bung sealing, greatly improves operating efficiency.
Description
Technical field
The present invention relates to storage device for radioactive waste, and in particular to a kind of twin-tub cap sealing, can use same set of
Device makes inside and outside two bungs while sealing or opening.
Background technology
Caused radioactivity concentrate, spent resin in domestic nuclear power and core field, majority are consolidated using cement at present
Change is handled, and cement solidification thing is formed, to carry out permanent disposal.It is mounted in after waste is handled in 400L steel drums, need to be by steel drum
Capping prevent radioactive substance from spreading, when steel drum outer surface close rate be higher than 2mSv/h, steel drum need to be put into thickness enough
In cask flask, to avoid leaking in transport and storage radiation material, cask flask is transported to after must also covering and put
Penetrating property solid waste staging area.In conventional nuclear power engineering, to the steel drum equipped with solidfied material and cask flask in different works
Position sets two to extract capping apparatus respectively, to realize the sealing of steel drum cover and cask flask lid and opening.This mode causes bucket
Lid is opened and the device structure of sealing is complicated, and operating efficiency is low.
The content of the invention
The defects of it is an object of the invention to for prior art, there is provided one kind can make inside and outside two bungs while seal
Twin-tub cap sealing, so as to simplify equipment, improve operating efficiency.
Technical scheme is as follows：A kind of twin-tub cap sealing, including the sealing of outer barrel cap sealing, inner barrelhead
Device, described outer barrel cap sealing includes outer bung rotating disk and outside link, in the outer bung flange being fixedly connected with staving
It is provided with the arc groove being adapted with the end of outside link；Described interior bucket cap sealing includes inner barrelhead rotating disk and Nei La
Bar, the arc groove being adapted with the end of draw-in bar is provided with the inner barrelhead flange being fixedly connected with staving；Said tub lid
It is connected between rotating disk and inner barrelhead rotating disk by rotating shaft, can realizes that outer bung rotating disk turns with inner barrelhead by the rotation of rotating shaft
The synchronous axial system of disk, in the rotation process of outer bung rotating disk and inner barrelhead rotating disk, outside link and draw-in bar motion are driven respectively,
The end of outside link and draw-in bar is set to respectively enter or deviate from the arc groove of each self-corresponding outer barrel lid flange or inner barrelhead flange,
Realize sealing or the opening of twin-tub lid.
Further, twin-tub cap sealing as described above, wherein, described outer bung rotating disk is provided with multistage shape not
Same groove, sets outer bung bearing in the groove of outer bung rotating disk, and outer bung bearing connects outside link；Described inner barrelhead
Rotating disk is provided with the variform groove of multistage, and inner barrelhead bearing is set in the groove of inner barrelhead rotating disk, and inner barrelhead bearing connects
Connect draw-in bar；In the rotation process of outer bung rotating disk and inner barrelhead rotating disk, said tub lid bearing and inner barrelhead bearing difference
Slided in the groove where respective, so as to drive outside link and draw-in bar motion respectively.
Further, twin-tub cap sealing as described above, wherein, it is outer bung on the inside of the groove of said tub lid rotating disk
Bearing spider, outer bung are fixedly connected with outer bung bearing spider；It is inner barrelhead bearing on the inside of the groove of the inner barrelhead rotating disk
Bearing, inner barrelhead are fixedly connected with inner barrelhead bearing spider.
Further, twin-tub cap sealing as described above, wherein, in addition to may be inserted into the top of the roller end
Bar, the axis of rotation is driven by rotating push rod.
Further, twin-tub cap sealing as described above, wherein, described rotating shaft includes axle sleeve and shaft core, axle sleeve with
Shaft core back-moving spring is provided between shaft core, the shaft core can move downward simultaneously under the suppressing action of the push rod in axle sleeve
Shaft core back-moving spring is compressed, can be resetted upwards by shaft core back-moving spring after suppressing action releasing.
Further, twin-tub cap sealing as described above, wherein, in addition to self-locking device, described self-locking device bag
Outer bung self-locking mechanism and inner barrelhead self-locking mechanism are included, what said tub lid self-locking mechanism included being connected with the shaft core of rotating shaft erects
Straight the first upward bearing pin, corresponding with the different station of first bearing pin first is provided with outer bung bearing spider bottom
Pin shaft hole；The inner barrelhead self-locking mechanism includes being arranged on short axle in inner barrelhead bearing spider centre bore, the short axle with it is interior
Short axle back-moving spring is provided between bung bearing spider, the short axle can be under the suppressing action of the push rod in inner barrelhead axle
Hold and short axle back-moving spring is moved downward and compressed in bearing centre bore, can pass through short axle back-moving spring after suppressing action releasing
Reset, the second bearing pin of described short axle connection straight up, be provided with and described second in inner barrelhead bearing spider bottom upwards
The second corresponding pin shaft hole of the different station of bearing pin.
Further, twin-tub cap sealing as described above, wherein, set on outer bung rotating disk and inner barrelhead rotating disk
The variform groove of multistage includes two sections of arc sections and the straight section between two sections of arc sections respectively.
Further, twin-tub cap sealing as described above, wherein, between said tub lid flange and outer bung and
Seal washer is equipped between the inner barrelhead flange and inner barrelhead.
Beneficial effects of the present invention are as follows：Twin-tub cap sealing provided by the present invention can be realized by same covering device
Sealing and opening to steel drum cover and cask flask lid (inside and outside two bungs), and outer bung individually can be sealed and retract,
Equipment is simplified, reduces the program of bung sealing, greatly improves operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of twin-tub cap sealing of the present invention；
Fig. 2 is the self-locking device structural representation of twin-tub cap sealing of the present invention；
Fig. 3 is the outer bung and outer bung flange and inner barrelhead and inner barrelhead flange of twin-tub cap sealing of the present invention
Connection relationship diagram；
Fig. 4 is the variform groove structure schematic diagram of multistage in the outer bung rotating disk of twin-tub cap sealing of the present invention；
Fig. 5 is the variform groove structure schematic diagram of multistage in the inner barrelhead rotating disk of twin-tub cap sealing of the present invention；
Fig. 6 is the push rod structure schematic diagram of twin-tub cap sealing of the present invention；
Fig. 7 is the pivot structure schematic diagram of twin-tub cap sealing of the present invention；
Fig. 8 is the cross-sectional view of the self-locking device of twin-tub cap sealing of the present invention.
In figure, the 1. outer outer inner barrelhead rotating disks of 4. outside link of bung bearing spider 5. of the outer bung bearing 3. of bung rotating disk 2.
6. in 9. rotating shaft of inner barrelhead bearing 7. inner barrelhead bearing spider, 8. draw-in bar, 10. push rod, 11. outer bung self-locking mechanism 12.
The shaft core back-moving spring of 16. inner barrelhead flange of outer 15. inner barrelhead of bung flange of the outer bung 14. of bung self-locking mechanism 13. 17.
18. the bearing pin of 19. 20. first bearing pin of shaft core, 21. short axle, 22. short axle back-moving spring of axle sleeve 23. second
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
The twin-tub cap sealing that embodiments of the invention are provided, including outer barrel cap sealing, inner barrelhead sealing dress
Put, can further include self-locking device.As shown in figure 1, described outer barrel cap sealing includes outer bung rotating disk 1, outside
Bung rotating disk 1 is provided with the variform groove of multistage (referring to Fig. 4), and outer bung axle is set in the groove of outer bung rotating disk 1
2 are held, is outer bung bearing spider 3 on the inside of groove, outer bung 13 is fixedly connected with outer bung bearing spider 3, and outer bung bearing 3 connects
Outside link 4 is connect, the arc groove being adapted with the end of outside link 4 is provided with the outer bung flange 14 being fixedly connected with staving
(referring to Fig. 3).Described interior bucket cap sealing includes inner barrelhead rotating disk 5, and it is variform that inner barrelhead rotating disk 5 is provided with multistage
Groove (referring to Fig. 5), inner barrelhead bearing 6 is set in the groove of inner barrelhead rotating disk 5, is inner barrelhead bearing spider 7 on the inside of groove,
Inner barrelhead 15 is fixedly connected with inner barrelhead bearing spider 7, and inner barrelhead bearing 6 connects draw-in bar 8, in being fixedly connected with staving
Bung flange 16 is provided with the arc groove being adapted with the end of draw-in bar (referring to Fig. 3).Said tub lid rotating disk 1 and inner barrelhead
It is connected between rotating disk 5 by rotating shaft 9, rotating shaft 9 includes axle sleeve 18 and shaft core 19 (see Fig. 8), is set between axle sleeve 18 and shaft core 19
There is shaft core back-moving spring 17, the shaft core 19, which can move downward in axle sleeve 18 under suppressing action and compress shaft core, resets bullet
Spring 17, it can be resetted upwards by shaft core back-moving spring 17 after suppressing action releasing.By the top for inserting the roller end
Bar 10 drives the rotation of rotating shaft 9 to realize the synchronous axial system of outer bung rotating disk 1 and inner barrelhead rotating disk 5, in the outer He of bung rotating disk 1
In the rotation process of inner barrelhead rotating disk 5, said tub lid bearing 2 and inner barrelhead bearing 6 are sliding in the groove where respective respectively
It is dynamic, so as to drive outside link 4 and draw-in bar 8 to move respectively, the end of outside link 4 and draw-in bar 8 is respectively enterd or is deviate from each
The arc groove of self-corresponding outer bung flange or inner barrelhead flange, realize sealing or the opening of twin-tub lid.
Specifically, outer bung bearing 2 can slide along in the groove of outer bung rotating disk 1, with the rotation of outer bung rotating disk 1
Turn, outer bung bearing 2 is located at segmental arc different on outer bung rotating disk 1, drives the horizontal movement of outside link 4, and outside link 4 moves out
When, tie rod end is put in the outer arc groove of bung flange 14, and outer bung 13 and outer bung flange 14 are by washer sealing, so as to real
The now closure application of outer bung 13.When outside link 4 inwardly moves, the end of outside link 4 departs from the arc groove of outer bung flange 14,
Outer bung 13 can be lifted to (now outer bung rotating disk 1 and rotating shaft 9 are simultaneously elevated), completion takes lid to operate.Inner barrelhead rotating disk 5 revolves
When turning, inner barrelhead bearing 6 slides in the groove of inner barrelhead rotating disk 5, different with the position of rotation, drives draw-in bar 8 horizontal
Motion, when draw-in bar 8 moves out, the end of draw-in bar 8 is put in the arc groove of inner barrelhead flange 16, realizes the close of inner barrelhead
Envelope；When draw-in bar 8 inwardly moves, the end of draw-in bar 8 departs from the arc groove of inner barrelhead flange 16, realizes beating for inner barrelhead 15
Open.Protrude horizontally up and retract by outside link 4 and draw-in bar 8, to realize the sealing of inside and outside bung and opening.
As shown in Fig. 2 self-locking device includes outer bung self-locking mechanism 11 and inner barrelhead self-locking mechanism 12.As shown in figure 8, institute
The first bearing pin 20 straight up that outer bung self-locking mechanism includes being connected with the shaft core 19 of rotating shaft is stated, in outer bung bearing branch
Seat bottom is provided with first pin shaft hole corresponding with the different station of first bearing pin 20.The inner barrelhead self-locking mechanism includes
The short axle 21 being arranged in the centre bore of inner barrelhead bearing spider 7, short axle is provided between the short axle 21 and inner barrelhead bearing spider 7
Back-moving spring 22, the short axle 21 can be downward in inner barrelhead bearing spider centre bore under the suppressing action of the push rod 10
Move and compress short axle back-moving spring 22, can be resetted upwards by short axle back-moving spring 22 after suppressing action releasing, it is described
Short axle 21 connect the second bearing pin 23 straight up, be provided with inner barrelhead bearing spider bottom with second bearing pin 23 not
With the second corresponding pin shaft hole of station.
The course of work of above-mentioned twin-tub cap sealing is as follows：
1) closure application
During original state, outer bung bearing 2 is located at the A arc sections position on outer bung rotating disk 1, and inner barrelhead bearing 6 is located at
A ' arc sections position on inner barrelhead rotating disk 5.The variform groove of the multistage set on outer bung rotating disk 1 can be found in figure
4, including two sections of arc sections A, B and the straight section C between two sections of arc sections.What is set on inner barrelhead rotating disk 5 is described more
The variform groove of section can be found in Fig. 5, including two sections of arc section A ', B ' and the straight section between two sections of arc sections
C’.During original state, outside link 4 and draw-in bar 8 are in retracted state.
The groove (as shown in Figure 7) of the insertion rotating shaft 9 (as shown in Figure 6) of push rod 10 is rotated afterwards and depresses push rod 10, makes to turn
Axle 9 declines, and now the first bearing pin 20 of outer bung self-locking mechanism 11 is along the oblong slots vertical downward sliding movement on rotating shaft axle sleeve, outside
First bearing pin of bung self-locking mechanism departs from the pin shaft hole on outer bung bearing spider 3, outer bung bearing spider 3 and outer bung 13
Between be bolted, do not rotated with the rotation of outer bung rotating disk 1, outer bung self-locking mechanism 11 is opened, similarly inner barrelhead
Second bearing pin 23 of self-locking mechanism departs from the pin shaft hole on inner barrelhead bearing spider 7, and inner barrelhead self-locking mechanism is also opened simultaneously, this
When outer bung rotating disk 1 and inner barrelhead rotating disk 5 be active.Rotating shaft 9 is turned clockwise, drive outer bung rotating disk 1 to start
Rotation, outer bung bearing 2 is always situated in the A arc sections position on outer bung rotating disk 1, and inner barrelhead bearing 6 is from inner barrelhead rotating disk 5
A ' arc sections are transitioned into straight section C ' positions, and now draw-in bar 8 starts horizontally outward to act, and draw-in bar 8 is opened completely, draw-in bar
In the arc groove of 8 ends insertion inner barrelhead flange 16, inner barrelhead 15 is engaged with the sealing surface of interior bucket flange 16, and inner barrelhead 15 is realized
Closure application.Outer bung bearing 2 on outer bung rotating disk 1 now remains receipts still in A circular arc segment sections, outside link 4
The state of returning, can now take outer bung 13 away.Operation realizes the capping to inner barrelhead 15 above.
Continue the push rod 10 that turns clockwise, rotate outer bung rotating disk 1 and inner barrelhead rotating disk 5, when outer bung bearing 2 is from A
When arc section is transitioned into straight section C, outside link 4 starts outwards to act, and now outside link 4 is opened completely, and the end of outside link 4 is inserted
In the arc groove for entering outer bung flange 14, outer bung 13 is locked, outer bung 13 realizes closure application.Now inner barrelhead bearing
6 always situated in inner barrelhead rotating disk 5 B ' circular arc segment sections, the state of inner barrelhead 15 is constant, remains on locking state.Continue to revolve
Turn push rod 10, outer bung bearing 2 is transitioned into B arc sections by straight section C, and the state of outer bung 13 is constant, and inner barrelhead bearing 6 continues
The rotation of B ' arc sections is maintained at, the state of inner barrelhead 15 also keeps constant.Now outside link 4 and draw-in bar 8 all keep stretching out shape
State, make two bungs all locked.Push rod 10 is departed to the rotating shaft 9 of sealing device, the top of now rotating shaft 9 is due to no push rod 10
Press against, in the presence of shaft core back-moving spring 17, the shaft core of rotating shaft 9 rises, the first bearing pin of outer bung self-locking mechanism 11 with
Shaft core 19 rises, and is moved upwards along the oblong slots of the side of axle sleeve 18, and final first bearing pin 20 enters the outer bottom of bung bearing spider 3
The pin shaft hole in portion, it is fixedly connected between outer bung bearing spider 3 and outer bung 13, therefore, outer bung self-locking mechanism 11 is by outer barrel
Lid is fixed, similarly the also fixed inner barrelhead simultaneously of inner barrelhead self-locking mechanism 12, and the state of two bungs is constant inside and outside guarantee, realizes
The closure application of inside and outside two bungs.
2) lid is taken to operate
For bung all under sealing state, outer bung bearing 2 is located at the B circles on outer bung rotating disk 1 to original state for inside and outside
Segmental arc position, inner barrelhead bearing 6 are located at B ' the arc sections position on inner barrelhead rotating disk 5.Outside link 4 and draw-in bar 8 are in drawing
Stretch state.
Rotated after push rod 10 is inserted into the groove of rotating shaft 9 and depress push rod 10, decline the shaft core 19 of rotating shaft, now outer barrel
First bearing pin 20 of lid self-locking mechanism 11 departs from the pin shaft hole of outer bung bearing spider, outer bung self-locking because shaft core 19 declines
Mechanism 11 is opened, and similarly inner barrelhead self-locking mechanism 12 is also opened simultaneously, and now outer bung rotating disk 1 and inner barrelhead rotating disk 5, which are in, lives
Dynamic state.Make the rotate counterclockwise of rotating shaft 9 using push rod 10, drive outer bung rotating disk 1 to start to rotate, when outer bung bearing 2 is by outer
After B arc sections rotation on bung rotating disk 1 is transitioned into straight section C positions, inner barrelhead bearing 6 continues the B ' in inner barrelhead rotating disk 5
Arc section is rotated, and now outside link 4 starts horizontal inside action, and outside link 4 is withdrawn completely, and outer bung is left in the end of outside link 4
The arc groove of flange 14, outer bung 13 realize operation of uncapping.Outer bung bearing 6 on inner barrelhead rotating disk 5 is now still in B '
Circular arc segment section, draw-in bar 8 still remain off, inner barrelhead 15 be capped all the time it is locked, now can be individually by outer bung
13 take away.Operation realizes uncapping for outer bung 13 above.
Continue to rotate push rod 10, when outer bung bearing 2 is transitioned into A arc sections from straight section C, outside link 4 remains
Retracted state, now inner barrelhead bearing 6 be transitioned into A ' circular arc segment sections from straight section C ' by inner barrelhead rotating disk 5, draw-in bar 8 is received
Return, the arc groove of inner barrelhead flange 16 is left in the end of draw-in bar 8, and inner barrelhead 15 realizes operation of uncapping.Outer bung bearing 2 is all the time
Positioned at the A arc sections position of outer bung rotating disk 1, outer bung 13 remains open mode.
After two bungs are all opened, push rod 10 is departed to the rotating shaft 9 of sealing device, in the work of shaft core back-moving spring 17
Under, the shaft core 19 of now rotating shaft rises, and the first bearing pin 20 of outer bung self-locking mechanism 11 rises with shaft core 19, along rotating shaft
The oblong slots of axle sleeve 18 move the pin shaft hole that final bearing pin enters the outer bottom of bung bearing spider 3, outer bung bearing spider 3 upwards
Fixed between outer bung 13, therefore outer bung self-locking mechanism 11 realizes the auto-lock function of outer bung, similarly inner barrelhead is from lock machine
Structure 12 also realizes auto-lock function, and the state that two bungs are opened inside and outside guarantee is constant, realizes the behaviour that uncaps of inside and outside two bungs
Make.Hanging device now can be used, and internally hanged (now outer bung rotating disk 1 and inner barrelhead rotating disk 5 are hung the progress of outer bung
Take), realize inside and outside two bungs takes lid to operate.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if belonging to the model of the claims in the present invention and its equivalent technology to these modifications and variations of the present invention
Within enclosing, then the present invention is also intended to comprising including these changes and modification.
Claims (9)
1. a kind of twin-tub cap sealing, including outer barrel cap sealing, interior bucket cap sealing, it is characterised in that：Described
Outer barrel cap sealing includes outer bung rotating disk (1) and outside link (4), on the outer bung flange (14) being fixedly connected with staving
The arc groove being adapted provided with the end with outside link (4)；Described interior bucket cap sealing includes inner barrelhead rotating disk (5) and interior
Pull bar (8), the circular arc being adapted with the end of draw-in bar (8) is provided with the inner barrelhead flange (16) being fixedly connected with staving
Groove；It is connected between said tub lid rotating disk (1) and inner barrelhead rotating disk (5) by rotating shaft (9), passes through the rotational energy of rotating shaft (9)
Enough synchronous axial systems for realizing outer bung rotating disk (1) and inner barrelhead rotating disk (5), in outer bung rotating disk (1) and inner barrelhead rotating disk (5)
In rotation process, outside link (4) and draw-in bar (8) motion are driven respectively, distinguishes the end of outside link (4) and draw-in bar (8)
Into or the arc groove of each self-corresponding outer barrel lid flange (14) of abjection or inner barrelhead flange (16), realize twin-tub lid sealing or
Open.
2. twin-tub cap sealing as claimed in claim 1, it is characterised in that：Described outer bung rotating disk (1) is provided with more
The variform groove of section, sets outer bung bearing (2) in the groove of outer bung rotating disk (1), and outer bung bearing (2) connects outer
Pull bar (4)；Described inner barrelhead rotating disk (5) is provided with the variform groove of multistage, is set in the groove of inner barrelhead rotating disk (5)
Put inner barrelhead bearing (6), inner barrelhead bearing (6) connection draw-in bar (8)；In outer bung rotating disk (1) and turn of inner barrelhead rotating disk (5)
During dynamic, said tub lid bearing (2) and inner barrelhead bearing (6) slide in the groove where respective respectively, so as to respectively
Drive outside link (4) and draw-in bar (8) motion.
3. twin-tub cap sealing as claimed in claim 2, it is characterised in that：On the inside of the groove of said tub lid rotating disk (1)
For outer bung bearing spider (3), outer bung (13) is fixedly connected with outer bung bearing spider (3)；The inner barrelhead rotating disk (5)
It is inner barrelhead bearing spider (7) on the inside of groove, inner barrelhead (15) is fixedly connected with inner barrelhead bearing spider (7).
4. twin-tub cap sealing as claimed in claim 3, it is characterised in that：Also include may be inserted into the roller end
Push rod (10), the rotating shaft (9) is driven to rotate by rotating push rod (10).
5. twin-tub cap sealing as claimed in claim 4, it is characterised in that：Described rotating shaft (9) include axle sleeve (18) and
Shaft core (19), shaft core back-moving spring (17) is provided between axle sleeve (18) and shaft core (19), the shaft core (19) can be on the top
Moved downward under the suppressing action of bar (10) in axle sleeve (18) and compress shaft core back-moving spring (17), after suppressing action releasing
It can be resetted upwards by shaft core back-moving spring (17).
6. twin-tub cap sealing as claimed in claim 5, it is characterised in that：Also include self-locking device, described self-locking dress
Put including outer bung self-locking mechanism and inner barrelhead self-locking mechanism.
7. twin-tub cap sealing as claimed in claim 6, it is characterised in that：Said tub lid self-locking mechanism includes and rotating shaft
The first bearing pin (20) straight up for being connected of shaft core (19), be provided with outer bung bearing spider (3) bottom and described the
The first corresponding pin shaft hole of the different station of one bearing pin (20)；The inner barrelhead self-locking mechanism includes being arranged on inner barrelhead bearing
Short axle (21) in bearing (7) centre bore, short axle back-moving spring is provided between the short axle (21) and inner barrelhead bearing spider (7)
(22), the short axle (21) can transport downwards under the suppressing action of the push rod (10) in inner barrelhead bearing spider centre bore
Move and compress short axle back-moving spring (22), can be resetted upwards by short axle back-moving spring (22) after suppressing action releasing, institute
The second bearing pin (23) of short axle (21) connection stated straight up, is provided with and second bearing pin in inner barrelhead bearing spider bottom
(23) the second corresponding pin shaft hole of different station.
8. the twin-tub cap sealing as described in any one in claim 2-7, it is characterised in that：Outer bung rotating disk (1) with
And the variform groove of the multistage set on inner barrelhead rotating disk (5) includes two sections of arc sections and positioned at two sections of circles respectively
Straight section between segmental arc.
9. twin-tub cap sealing as claimed in claim 3, it is characterised in that：In said tub lid flange (14) and outer bung
(13) seal washer is equipped between and between the inner barrelhead flange (16) and inner barrelhead (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710864612.9A CN107680701B (en) | 2017-09-22 | 2017-09-22 | Double-barrel-cover sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710864612.9A CN107680701B (en) | 2017-09-22 | 2017-09-22 | Double-barrel-cover sealing device |
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| Publication Number | Publication Date |
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| CN107680701A true CN107680701A (en) | 2018-02-09 |
| CN107680701B CN107680701B (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710864612.9A Active CN107680701B (en) | 2017-09-22 | 2017-09-22 | Double-barrel-cover sealing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109378100A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of sealing bucket of double-canopy structure |
| CN109378102A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A method of realizing double-canopy locking |
| CN109378098A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of double-canopy retaining mechanism |
| CN109378101A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of double-canopy sealing mechanism |
| CN110544545A (en) * | 2018-09-20 | 2019-12-06 | 原子高科股份有限公司 | Sealed transferring method for radioactive substance |
| WO2020107183A1 (en) * | 2018-11-26 | 2020-06-04 | 中广核研究院有限公司 | Fuel assembly transport container and bottom sealing device thereof |
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| US20030004390A1 (en) * | 2001-06-29 | 2003-01-02 | Kenichi Matsunaga | Transportation vessel for radioactive substance and method of loading closed vessel |
| CN201370787Y (en) * | 2009-03-06 | 2009-12-30 | 上海申安医疗器械厂 | Opening and closing mechanism of pressure sterilizing container |
| CN202134219U (en) * | 2011-06-20 | 2012-02-01 | 中国核电工程有限公司 | Handheld protective transferring container |
| CN104485145A (en) * | 2014-10-29 | 2015-04-01 | 中国核电工程有限公司 | Gravity type double-cover sealing device |
| CN106742899A (en) * | 2016-11-21 | 2017-05-31 | 中国核电工程有限公司 | A kind of double-canopy sealing transporter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109378100A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of sealing bucket of double-canopy structure |
| CN109378102A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A method of realizing double-canopy locking |
| CN109378098A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of double-canopy retaining mechanism |
| CN109378101A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of double-canopy sealing mechanism |
| CN110544545A (en) * | 2018-09-20 | 2019-12-06 | 原子高科股份有限公司 | Sealed transferring method for radioactive substance |
| CN109378098B (en) * | 2018-09-20 | 2023-12-19 | 原子高科股份有限公司 | Double-cover locking mechanism |
| CN109378101B (en) * | 2018-09-20 | 2023-12-19 | 原子高科股份有限公司 | Double-cover sealing mechanism |
| WO2020107183A1 (en) * | 2018-11-26 | 2020-06-04 | 中广核研究院有限公司 | Fuel assembly transport container and bottom sealing device thereof |
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