CN206203671U - Closure plate and the operation device for dismounting the closure plate - Google Patents
Closure plate and the operation device for dismounting the closure plate Download PDFInfo
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- CN206203671U CN206203671U CN201621012558.2U CN201621012558U CN206203671U CN 206203671 U CN206203671 U CN 206203671U CN 201621012558 U CN201621012558 U CN 201621012558U CN 206203671 U CN206203671 U CN 206203671U
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- closure plate
- plate
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- plate body
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Abstract
The utility model is related to a kind of closure plate and the operation device for dismounting the closure plate, closure plate includes intermediate bar, two the first plate bodys and two the second plate bodys, the top surface of intermediate bar is provided with the first suspension ring, hanger is provided with second plate body, operation device for dismounting closure plate includes action bars, lifting rope, take down the exhibits rope, pulley and suspension hook, when using, the other end of lifting rope is connected with suspension hook, suspension hook is engaged with the first suspension ring, the other end of rope of taking down the exhibits is engaged with hanger, then it is in " M " shape closure plate to be folded, and is filled in hydroecium closure plate by steam generator manhole door.By tensing lifting rope, closure plate is set to increase, tension rope of taking down the exhibits launches closure plate, and reach the installation site that steam generator primary Ioops are imported and exported on pipeline, slowly loosen rope of taking down the exhibits, decline the closure plate of expansion, that is, complete the installation of closure plate, otherwise it is the unloading process of closure plate, security performance is high in disassembly process.
Description
Technical field
The utility model is related to nuclear power station steam generator technical field, more particularly to a kind of closure plate and for dismounting this
The operation device of closure plate.
Background technology
By the requirement of in-Service Inspection of Nuclear Power Station outline, it is necessary to periodically be carried out accordingly to steam generator each part of primary Ioops hydroecium
Inspection, can be using to a variety of equipment and device, in order to avoid personnel and equipment fall into primary Ioops pipe in checking process
In road, check that the mouth of pipe that can all be come in and gone out to it carries out closure protection every time, to ensure the safety of inspection personnel and equipment.
Generally call closure plate the temporary blocking device on pipeline is imported and exported installed in primary side of steam generator hydroecium.Press
Its different function is divided into anti-foreign matter closure plate and two kinds of closure plate of sealing, as long as anti-foreign matter closure plate has work in steam generator hydroecium
When making, it is necessary to first install to play interim protective effect, frequency of use is higher.
For a long time, the dismounting of primary side of steam generator hydroecium closure plate, wears frog-suit and is sent out into steam by operating personnel
Dismounted in raw device primary side hydroecium.Belong to a part for one loop of nuclear power station due to hydroecium, its internal environment close rate compared with
Height, and as the power station operation time limit increases, its close rate also can be different, generally in 10~100msv/h or so, so, must be strict
Control to carry out the working time of closure plate operating personnel into hydroecium, and arrange many people to share the agent into hydroecium operating personnel
Measure to complete the dismounting work of closure plate.
Even if however, being so still easily caused staff receives overdose radiation.And, it is at one time to install closure plate
Just drained water begins on road, and in the hydroecium of steam generator primary Ioops spherical shell cover, excess surface water is wet and slippery, adds and enters hydroecium
Personnel need to wear frog-suit to prevent pollution, and coupled primary coolant circuit pipe mouthful diameter close to 1 meter, personnel enter after slightly not
The careful risk just fallen with primary coolant circuit pipe.
Utility model content
Based on this, it is necessary to for above-mentioned technical problem, there is provided security performance closure plate high and use in a kind of disassembly process
In the operation device for dismounting the closure plate.
A kind of closure plate, including：
Intermediate bar, the top surface of the intermediate bar is provided with the first suspension ring；
Two the first plate bodys, are hingedly connected to the opposite sides face of the intermediate bar；
Two the second plate bodys, are hingedly connected on the first plate body, and hanger is provided with second plate body.
Wherein in one embodiment, two first plate bodys are articulated with the opposite sides of the intermediate bar by hinge
Face.
Wherein in one embodiment, two second plate bodys are articulated with first plate body by hinge.
Wherein in one embodiment, the second suspension ring and torque handle are additionally provided with, second suspension ring are arranged at described
On one plate body, the torque handle includes fixed part and kink, and the fixed part is fixed on first plate body, the bending
Portion is suspended on the upper front of second plate body, and through hole is offered on the kink.
Wherein in one embodiment, the back side of second plate body is provided with locating piece, and the locating piece is arranged at institute
State on the second plate body.
Wherein in one embodiment, the locating piece is wedge locating block.
Wherein in one embodiment, handle is additionally provided with first plate body.
A kind of operation device for dismounting closure plate, including action bars, lifting rope, take down the exhibits rope, pulley and suspension hook, the lifting rope
One end be located on the action bars, the other end of the lifting rope bypasses the pulley and is connected with the suspension hook, suspension hook use
Be engaged in first suspension ring, one end of the rope of taking down the exhibits is located on the action bars, the other end of the rope of taking down the exhibits with
The hanger is engaged.
Wherein in one embodiment, the action bars includes the more piece body of rod, and the more piece body of rod is screwed in by bolt to be realized spelling
Connect.
Wherein in one embodiment, also including Dan Zhi mechanisms, the Dan Zhi mechanisms include cylinder, spring plug and source of the gas control
Case processed, the switch of the source of the gas control cabinet control source of the gas makes the cylinder move up and down, and makes the pipe in the spring plug and hydroecium
Hole swelling or release.
Above-mentioned closure plate and at least there is advantages below for dismounting the operation device of the closure plate：
When using, the other end of lifting rope is connected with suspension hook, and suspension hook is engaged with the first suspension ring, the other end of rope of taking down the exhibits with
Hanger is engaged, and it is in " M " shape that then closure plate is folded, and is filled in hydroecium closure plate by steam generator manhole door.By drawing
Tight lifting rope, rises closure plate, and tensing rope of taking down the exhibits launches closure plate, and reaches the peace that steam generator primary Ioops are imported and exported on pipeline
Holding position, slowly loosens rope of taking down the exhibits, and declines the closure plate of expansion, that is, complete the installation of closure plate, otherwise be the dismounting of closure plate
Journey.When being used for the operation device dismounting closure plate for dismounting closure plate using this, the dismounting for implementing closure plate is entered in hydroecium without personnel, kept away
Operating personnel into high radioactivity, the operating environment of long drop risk are exempted from, have improve the security of operating personnel, while saving
The collective dose of power station staff.
Brief description of the drawings
Fig. 1 is the upward view of the closure plate in an implementation method；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is the sectional view of the line B-B along Fig. 1；
Fig. 4 is the top view of closure plate shown in Fig. 1；
Fig. 5 is the sectional view of the line C-C along Fig. 4；
Fig. 6 is closure plate shown in Fig. 1 in structural representation when launching；
Fig. 7 is closure plate shown in Fig. 1 in structural representation when folding；
Fig. 8 is for dismounting the structural representation of the operation device of closure plate shown in Fig. 1 in an implementation method.
Specific embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be implemented with being much different from other manner described here, this area
Technical staff can do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model does not receive following public affairs
The limitation of the specific implementation opened.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique implementation method to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Each technical characteristic of embodiment described above
Can arbitrarily be combined, to make description succinct, not to all possible combination of each technical characteristic in above-described embodiment
All it is described, as long as however, the combination of these technical characteristics is all considered to be the model of this specification record in the absence of contradiction
Enclose.
Fig. 1 to Fig. 5 is referred to, is the closure plate 100 in an implementation method.The closure plate 100 is used for one loop of nuclear power station steam
Generator primary side hydroecium inlet and outlet piping 10 carries out temporary plugging.Generally circular, the horizontal stroke with pipeline 10 after the closure plate 100 expansion
Section is roughly the same, is blocked with to pipeline 10.
Specific in present embodiment, closure plate 100 includes intermediate bar 110, two the first plate bodys, 120, two the second plate bodys
130 and locating piece 140.
The substantially square bar of intermediate bar 110.The top surface of intermediate bar 110 is provided with the first suspension ring 111, by the first suspension ring 111
Can be sling whole closure plate 100.The quantity of the first suspension ring 111 is multiple, for example, can be three, and three the first suspension ring 111 are spaced
It is distributed on intermediate bar 110.
Two the first plate bodys 120 are hingedly connected to the opposite sides face of intermediate bar 110.In specific to present embodiment, two
Individual first plate body 120 is articulated with the opposite sides face of intermediate bar 110 by hinge 101.Therefore, the first plate body 120 is relative in
Between bar 110 it is foldable.Handle 121 is provided with first plate body 120, closure plate 100 can be lifted by handle 121.
The second suspension ring 122 are additionally provided with first plate body 120, the second suspension ring are respectively arranged with two the first plate bodys 120
122.It is additionally provided with torque handle 123 on first plate body 120, torque handle 123 includes fixed part and kink, fixed part is fixed on the
On one plate body 120, kink vacantly positioned at the upper front of the second plate body 130, offers through hole on kink.
Two the second plate bodys 130 are hingedly connected on the first plate body 120, and hanger 131 is provided with the second plate body 130.Tool
Body ground, two the second plate bodys 130 are articulated with the first plate body 120 by hinge 101.Therefore, the second plate body 130 is relative to first
Plate body 120 is foldable.It is that closure plate 100 is in structural representation when launching also referring to Fig. 6；Fig. 7 is referred to, is closure plate
100 in when folding, in the structural representation of " M " type.
Locating piece 140 is arranged at the back side of the second plate body 130, and locating piece 140 is located at the second plate body respectively with hanger 131
130 not homonymy.Locating piece 140 is wedge locating block 140.Specifically, locating piece 140 has a cambered surface, and its arc length is approximately less than
The arc length of pipeline 10.Locating piece 140 is the locating piece 140 of nylon material.Locating piece 140 is fixed by screws on closure plate 100,
It is play the guiding role when falling for closure plate 100, in addition, when closure plate 100 is covered on pipeline 10, the limitation closure plate of locating piece 140
100 will not skid off the position of pipeline 10.
Fig. 8 is referred to, is the operation device 200 for dismounting closure plate 100 in an implementation method, using the operation device
200, the remote operation to closure plate 100 is capable of achieving, therefore enter in hydroecium without personnel.Specifically, for dismounting closure plate 100
Operation device 200 includes action bars 210, lifting rope 220, rope 230 of taking down the exhibits, pulley 240, suspension hook 250 and Dan Zhi mechanisms 260.
Action bars 210 is thin-and-long, and action bars 210 is cylinder.Action bars 210 includes the more piece body of rod, and the more piece body of rod leads to
Cross bolt and screw in the quick splicing of realization.Suo Sheng mechanisms are provided with action bars 210, Suo Sheng mechanisms are used for locking lifting rope 220 and receive
Exhibition rope 230.
One end of lifting rope 220 is located on action bars 210, and the other end of lifting rope 220 bypasses pulley 240 and is connected with suspension hook 250,
Suspension hook 250 is used to be engaged with the first suspension ring 111, and slinging closure plate 100 and is put on pipeline 10 closure plate 100.On action bars 210
A pulley 240 is fixedly installed, when the other end of lifting rope 220 bypasses the pulley 240, ensure that action bars 210 tightens up lifting rope
When 220, lifting rope 220 is moved up and down along operation direction.
Take down the exhibits rope 230 one end be located at action bars 210 on, take down the exhibits rope 230 the other end be engaged with hanger 131.Specifically
Ground, the other end of rope 230 of taking down the exhibits can pass through the through hole being then passed through on kink after the second suspension ring 122 to be engaged with hanger 131.
The expansion of closure plate 100 can be realized by tightening up rope 230 of taking down the exhibits.
Dan Zhi mechanisms 260 include cylinder, spring plug and source of the gas control cabinet, and the switch of source of the gas control cabinet control source of the gas makes cylinder
Move up and down, make the pore swelling or release in spring plug and hydroecium.For example, be connected with cylinder supply source of the gas by flexible pipe, source of the gas
It is upper that a switch valve is housed to realize the air supplying operation of single toe.
Specifically, wherein thering are two pulleys 240 to may be disposed in Dan Zhi mechanisms 260, lifting rope 220 bypasses a wherein pulley
It is connected with suspension hook 250 after 240, rope 230 of taking down the exhibits is connected after bypassing another pulley 240 with the second suspension ring 122.
Above-mentioned closure plate 100 and at least there is advantages below for dismounting the operation device 200 of the closure plate 100：
When using, first the lifting rope 220 on action bars 210 and rope 230 of taking down the exhibits are twined with the pulley 240 in Dan Zhi mechanisms 260
Wind, and suspension hook 250 is connected with the first suspension ring 111, then closure plate 100 is folded in " M " shape, by steam generator
Manhole door fills in hydroecium closure plate 100, and Dan Zhi mechanisms 260 are articulated on action bars 210, by action bars 210 by single toe
Inside the primary side hydroecium of the feeding steam generator of mechanism 260, the coordinate position of pore corresponding with flange is imported and exported is found, and
Dan Zhi mechanisms 260 are inserted in pore, the source of the gas of Dan Zhi mechanisms 260 is opened, the swelling of Shi Dan toes mechanism 260 is in steam generator
In hole, as the suspension centre of weight of slinging.By tensing lifting rope 220, make action bars 210 drive closure plate 100 to rise, tense rope of taking down the exhibits
230, launch the closure plate 100 of folding, and the installation site that steam generator primary Ioops are imported and exported on pipeline 10 is reached, slowly put
Loose lifting rope 220, declines closure plate 100, and closure plate 100 is conducted into pipe laying 10 by locating piece 140, finally uses action bars
210 removal Dan Zhi mechanisms 260, that is, complete the installation of closure plate 100, otherwise is then the unloading process of closure plate 100.Using the operation
During the dismounting closure plate 100 of device 200, the dismounting for implementing closure plate 100 is entered in hydroecium without personnel, it is to avoid operating personnel enter high
The operating environment of radioactivity, long drop risk, improves the security of operating personnel, while saving the collection of power station staff
Body dosage.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of closure plate, it is characterised in that including：
Intermediate bar, the top surface of the intermediate bar is provided with the first suspension ring；
Two the first plate bodys, are hingedly connected to the opposite sides face of the intermediate bar；
Two the second plate bodys, are hingedly connected on the first plate body, and hanger is provided with second plate body.
2. closure plate according to claim 1, it is characterised in that two first plate bodys by hinge be articulated with it is described in
Between bar opposite sides face.
3. closure plate according to claim 1, it is characterised in that two second plate bodys are articulated with described by hinge
On one plate body.
4. closure plate according to claim 1, it is characterised in that be additionally provided with the second suspension ring and torque handle, described second hangs
Ring is arranged on first plate body, and the torque handle includes fixed part and kink, and the fixed part is fixed on described first
On plate body, the kink is suspended on the upper front of second plate body, and through hole is offered on the kink.
5. closure plate according to claim 1, it is characterised in that the back side of second plate body is provided with locating piece, described
Locating piece is arranged on second plate body.
6. closure plate according to claim 5, it is characterised in that the locating piece is wedge locating block.
7. closure plate according to claim 1, it is characterised in that be additionally provided with handle on first plate body.
8. a kind of operation device for dismounting closure plate as claimed in any of claims 1 to 7 in one of claims, it is characterised in that bag
Include action bars, lifting rope, take down the exhibits rope, pulley and suspension hook, one end of the lifting rope is located on the action bars, the lifting rope it is another
End bypasses the pulley and is connected with the suspension hook, and the suspension hook is used to be engaged with first suspension ring, and the one of the rope of taking down the exhibits
End is located on the action bars, and the other end of the rope of taking down the exhibits is engaged with the hanger.
9. the operation device for dismounting closure plate according to claim 8, it is characterised in that the action bars includes more piece
The body of rod, the more piece body of rod is screwed in by bolt and realizes splicing.
10. the operation device for dismounting closure plate according to claim 8, it is characterised in that also including Dan Zhi mechanisms, institute
Shu Dan toes mechanism includes cylinder, spring plug and source of the gas control cabinet, and the switch of the source of the gas control cabinet control source of the gas makes the cylinder
Move up and down, make the pore swelling or release in the spring plug and hydroecium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012558.2U CN206203671U (en) | 2016-08-30 | 2016-08-30 | Closure plate and the operation device for dismounting the closure plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012558.2U CN206203671U (en) | 2016-08-30 | 2016-08-30 | Closure plate and the operation device for dismounting the closure plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206203671U true CN206203671U (en) | 2017-05-31 |
Family
ID=58758970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621012558.2U Active CN206203671U (en) | 2016-08-30 | 2016-08-30 | Closure plate and the operation device for dismounting the closure plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206203671U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747962A (en) * | 2018-07-25 | 2018-11-06 | 三门核电有限公司 | A kind of steam generator closure plate removal tool and method |
| CN112743327A (en) * | 2020-12-30 | 2021-05-04 | 核动力运行研究所 | Nuclear power station steam generator primary side high water level closure plate dismouting robot |
| CN116146817A (en) * | 2023-03-24 | 2023-05-23 | 中乌先楚核能科技有限公司 | Pipe plugging equipment for steam generator |
-
2016
- 2016-08-30 CN CN201621012558.2U patent/CN206203671U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747962A (en) * | 2018-07-25 | 2018-11-06 | 三门核电有限公司 | A kind of steam generator closure plate removal tool and method |
| CN108747962B (en) * | 2018-07-25 | 2023-09-08 | 三门核电有限公司 | Tool and method for removing blocking plate of steam generator |
| CN112743327A (en) * | 2020-12-30 | 2021-05-04 | 核动力运行研究所 | Nuclear power station steam generator primary side high water level closure plate dismouting robot |
| CN116146817A (en) * | 2023-03-24 | 2023-05-23 | 中乌先楚核能科技有限公司 | Pipe plugging equipment for steam generator |
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| GR01 | Patent grant |