CN207904885U - A kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites - Google Patents
A kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites Download PDFInfo
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- CN207904885U CN207904885U CN201820077148.9U CN201820077148U CN207904885U CN 207904885 U CN207904885 U CN 207904885U CN 201820077148 U CN201820077148 U CN 201820077148U CN 207904885 U CN207904885 U CN 207904885U
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Abstract
The utility model provides a kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites, wherein the segmented sluice gate includes upper segmentation and lower segmentation；There is bottom surface, the lower segmentation to have top surface for the wherein described upper segmentation；Seal groove is equipped between the bottom surface of the upper segmentation and the top surface of the lower segmentation；The seal groove matches with sealing ring to be placed.The sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites provided by the utility model provides easy reliable sealing solution for AP1000 nuclear power plants segmented refuelling pool sluice gate.
Description
Technical field
The utility model is related to mechanical design fields, and in particular to a kind of segmented sluice gate pressure bladder and sealing ring are handed over
The sealing structure of fork position.
Background technology
AP1000 nuclear power plants refuelling pool sluice gate uses segmentation structure (referring to Fig. 1 and Fig. 2).It is used between each segmentation
Bolt group connects, and rubber seal is arranged between segmentation, is sealed by the pressing force of bolt；The U of entire sluice gate periphery
Two pass rubber seal air bag is arranged in shape sealing surface ,~the compressed air of 0.25MPa is filled in rubber seal air bag, with sluice gate gate slot
On doorframe sealing surface phase top pressure, be sealed by the pressure on top surface of rubber seal air bag.
Rubber seal and rubber seal air bag collectively form the water-stop boundary of refuelling pool sluice gate, rubber seal
Sealing with rubber seal air bag crossover sites is that the critical issue of concern is needed in design process.
Utility model content
The utility model provides a kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites,
In, the segmented sluice gate includes upper segmentation and lower segmentation；There is bottom surface, the lower segmentation to have top for the wherein described upper segmentation
Face；Seal groove is equipped between the bottom surface of the upper segmentation and the top surface of the lower segmentation；The seal groove and sealing to be placed
Circle matches.
Preferably, the sealing ring to be placed is round rectangle formula structure.
Preferably, the sealing ring to be placed includes central region and end regions；The section of the central region is
It is round；The end face of the end regions and the bottom surface of pressure bladder fit, and section is swallowtail shape.
Preferably, the seal groove includes central region and end regions；The central region is rectangular seal slot, described
End regions are swallow-tail form seal groove.
Preferably, the swallow-tail form seal groove is configured to block the larynx of the end regions of the sealing ring to be placed
Portion, to sealing ring to be placed described in located lateral.
Preferably, it is described to wait for when the connection bolt group between the upper segmentation and the lower segmentation is in non-tight condition
The end regions of the sealing ring of placement and the door leaf sealing surface flush of sluice gate periphery；The upper segmentation and the lower segmentation
Between connection bolt group when being in tight condition, the end regions of the sealing ring to be placed are configured to Bolt Tightening Force
Under the action of occur crimp, and the door leaf sealing surface of prominent sluice gate periphery.
Preferably, the extrusion of the end regions of the sealing ring to be placed and position outstanding be configured to by
Cylindrical grinding wheel is polished, and the end regions of the sealing ring to be placed after polishing are equal with the door leaf sealing surface of door leaf periphery
Together, and with the sealing surface on door leaf steel construction the sealing surface of pressure bladder is collectively formed.
Preferably, the sealing ring to be placed is ethylene propylene diene rubber EPDM.
Compared with prior art, the utility model has the advantages that：
1, the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites provided by the utility model is
AP1000 nuclear power plants segmented refuelling pool sluice gate provides easy reliable sealing solution.
Description of the drawings
Fig. 1 is the elevation of segmented refuelling pool sluice gate.
Fig. 2 is segmented refuelling pool sluice gate vertical view.
Fig. 3 is the schematic diagram for meeting the seal groove between the upper segmentation of the preferred embodiment in the utility model and lower segmentation.
Fig. 4 is A-A the and B-B sectional views of structure shown in Fig. 3.
Fig. 5 is the schematic diagram for the sealing ring to be placed for meeting the preferred embodiment in the utility model.
Fig. 6 is A-A the and B-B sectional views of structure shown in Fig. 5.
Fig. 7 is to meet to connect between the upper segmentation of the preferred embodiment in the utility model and lower segmentation when bolt group is not tightened
Sealing ring form schematic diagram.
Fig. 8 is to meet that bolt group is connected between the upper segmentation of the preferred embodiment in the utility model and lower segmentation is close when tightening
Seal form schematic diagram.
In figure：It is segmented on 1-；2- rubber seal (Fig. 7 is uncompressed state, and Fig. 8 is compressive state)；It is segmented under 3-.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
As seen in figures 3-6, a kind of segmented sluice gate pressure bladder of one embodiment of the utility model offer and sealing ring are handed over
The sealing structure of fork position, wherein the segmented sluice gate includes upper segmentation and lower segmentation；The wherein described upper segmentation has bottom
Face, the lower segmentation have top surface；Seal groove is equipped between the bottom surface of the upper segmentation and the top surface of the lower segmentation；It is described close
Sealing groove matches with sealing ring to be placed.
The sealing ring to be placed is round rectangle formula structure.The sealing ring to be placed includes central region and end
Portion region；The section of the central region is circle；The end regions and pressure bladder are arranged in a crossed manner, and section is swallow-tail form
Shape.The seal groove includes central region and end regions；The central region is rectangular seal slot, and the end regions are swallow
Tail shape seal groove.
The swallow-tail form seal groove is configured to block the throat of the end regions of the sealing ring to be placed, to horizontal
To the positioning sealing ring to be placed.
As shown in fig. 7, when the connection bolt group between the upper segmentation and the lower segmentation is in non-tight condition, it is described
The end regions of sealing ring to be placed and the door leaf sealing surface flush of sluice gate periphery；As shown in figure 8, it is described it is upper segmentation and
When connection bolt group between the lower segmentation is in tight condition, the end regions of the sealing ring to be placed are configured to
Crimp, and the door leaf sealing surface of prominent sluice gate periphery occur under the action of Bolt Tightening Force.
The extrusion of the end regions of the sealing ring to be placed and position outstanding is configured to by cylinder sand
Wheel polishing, the end regions of the sealing ring to be placed after polishing and the door leaf sealing surface flush of door leaf periphery, and with
Sealing surface on door leaf steel construction collectively forms the sealing surface of pressure bladder.
The sealing ring to be placed is using higher rubber materials of hardness such as ethylene propylene diene rubbers (EPDM), with for rubber
Pressure bladder provides more solid top pressure face.
The sealing structure operation principle of segmented sluice gate pressure bladder provided in this embodiment and sealing ring crossover sites
It is as follows：
The sealing of sluice gate is realized by the pressure on top surface after the screwing force and rubber seal airbag aeration of bolt group.
The user of the sealing structure of segmented sluice gate pressure bladder provided in this embodiment and sealing ring crossover sites
Method is as follows：
(1) rubber seal is placed in the seal groove between sluice gate segmentation, tightens bolt group, completes each point of sluice gate
Intersegmental assembling；
(2) the suitable tools such as cylindrical grinding wheel are used, the position extrusion of rubber seal dove tail cross section is protruded
Position polish, make its door leaf sealing surface flush with door leaf periphery.
(3) if it is desired, being filled up to the corner gap at rubber seal dovetail position using silicon rubber etc..
(4) two pass gas-flow closure circle is installed.So far, segmented refuelling pool sluice gate completes assembling, can normal use.
Compared with prior art, the present embodiment has the advantages that：
1, the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites provided in this embodiment is
AP1000 nuclear power plants segmented refuelling pool sluice gate provides easy reliable sealing solution.
Those skilled in the art can use different methods to achieve the described function each specific application, but
It is this realize it is not considered that exceeding the scope of the utility model.
Obviously, it is new without departing from this practicality can to carry out utility model various modification and variations by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (8)
1. a kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites, which is characterized in that the segmentation
Formula sluice gate includes upper segmentation and lower segmentation；There is bottom surface, the lower segmentation to have top surface for the wherein described upper segmentation；Described upper point
It is equipped with seal groove between the bottom surface and the top surface of the lower segmentation of section；The seal groove matches with sealing ring to be placed.
2. the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites as described in claim 1, feature
It is, the sealing ring to be placed is round rectangle formula structure.
3. the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites as claimed in claim 2, feature
It is, the sealing ring to be placed includes central region and end regions；The section of the central region is circle；The end
The outer end face in portion region and the bottom surface of pressure bladder fit, and section is swallowtail shape.
4. the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites as claimed in claim 3, feature
It is, the seal groove includes central region and end regions；The central region is rectangular seal slot, and the end regions are
Swallow-tail form seal groove.
5. the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites as claimed in claim 4, feature
It is, the swallow-tail form seal groove is configured to block the throat of the end regions of the sealing ring to be placed, to laterally
Position the sealing ring to be placed.
6. the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites as claimed in claim 3, feature
It is, when the connection bolt group between the upper segmentation and the lower segmentation is in non-tight condition, the sealing to be placed
The end regions of circle and the door leaf sealing surface flush of sluice gate periphery；Connection spiral shell between the upper segmentation and the lower segmentation
When bolt group is in tight condition, the end regions of the sealing ring to be placed are sent out under the action of being configured to Bolt Tightening Force
Raw crimp, and the door leaf sealing surface of prominent sluice gate periphery.
7. the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites as claimed in claim 3, feature
Be, the extrusion of the end regions of the sealing ring to be placed and position outstanding is configured to be beaten by cylindrical grinding wheel
Mill, the end regions of the sealing ring to be placed after polishing and the door leaf sealing surface flush of door leaf periphery, and and door leaf
Sealing surface on steel construction collectively forms the sealing surface of pressure bladder.
8. the sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites as described in claim 1, feature
It is, the sealing ring to be placed is ethylene propylene diene rubber EPDM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077148.9U CN207904885U (en) | 2018-01-17 | 2018-01-17 | A kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077148.9U CN207904885U (en) | 2018-01-17 | 2018-01-17 | A kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites |
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| CN207904885U true CN207904885U (en) | 2018-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049378A (en) * | 2018-01-17 | 2018-05-18 | 上海核工程研究设计院有限公司 | A kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites |
-
2018
- 2018-01-17 CN CN201820077148.9U patent/CN207904885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049378A (en) * | 2018-01-17 | 2018-05-18 | 上海核工程研究设计院有限公司 | A kind of sealing structure of segmented sluice gate pressure bladder and sealing ring crossover sites |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |