CN108267513A - A kind of couplant for control rod drive mechanism ultrasonic examination seals collection device - Google Patents
A kind of couplant for control rod drive mechanism ultrasonic examination seals collection device Download PDFInfo
- Publication number
- CN108267513A CN108267513A CN201611260838.XA CN201611260838A CN108267513A CN 108267513 A CN108267513 A CN 108267513A CN 201611260838 A CN201611260838 A CN 201611260838A CN 108267513 A CN108267513 A CN 108267513A
- Authority
- CN
- China
- Prior art keywords
- air bag
- couplant
- link block
- drive mechanism
- control rod
- Prior art date
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000005273 aeration Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 239000002775 capsule Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000523 sample Substances 0.000 abstract description 4
- 230000001808 coupling effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention is that a kind of couplant for control rod drive mechanism ultrasonic examination seals collection device, is related to a kind of hydraulic seal collection device.The present invention includes, and housing bottom is slope shape, and couplant flows to surrounding lower by intermediate elevation；Housing sidewall bottom is equipped with couplant inlet-outlet connector；Air bag link block is fixedly mounted on housing bottom, and housing, O-ring seal, air bag link block compress to form static seal structure；Air bag is installed, air bag screw compresses air bag top board, air bag, air bag lower platen and air bag link block on the inside of air bag link block；Airbag aeration connector is mounted on air bag link block, and air bag is inflated；When airbag aeration expands, air bag forms locking and sealing with control rod drive mechanism.When the present invention is installed on control rod drive mechanism outer wall and is worked, couplant can be carried out effectively to seal, collected, ensure the coupling effect of ultrasonic probe, while couplant is avoided to impact the electrical equipment in power station.
Description
Technical field
The present invention relates to a kind of hydraulic seal collection devices, and in particular to one kind is used for control rod drive mechanism ultrasonic examination
Couplant sealing collection device.
Background technology
Equipment is numerous in nuclear power station, and the form of weld seam is also not quite similar；Control rod drive mechanism is important in primary Ioops
Component part, there are a plurality of profiled seal girth joints thereon, need to carry out aging to it by way of periodically carrying out ultrasonic examination
Management.Inspection to control rod drive mechanism seal-weld is carried out from outer wall installation equipment, and ultrasonic probe needs to be immersed in coupling
It in mixture, therefore needs to be effectively sealed couplant during inspection, have after having checked to couplant
The collection of effect；Otherwise couplant can downwards trickle along the outer wall of control rod drive mechanism, destroy the electric components of lower section.
At present for the seal-weld ultrasonic examination of one rod drive mechanism of control, sealing means are held tightly using air bag, but
After airbag aeration, because of the expansion of air bag, shrink so that the junction of air bag and housing is there are leakage problem, so that air bag
Situation poorly sealed, that couplant slowly outflows；Meanwhile after having checked, because couplant can not be emptied completely, when release gas
During capsule detaching equipment, have part couplant and trickle downwards along the outer wall of control rod drive mechanism；So it needs to carry out corresponding
Design to solve problem above.
Invention content
The present invention provides a kind of couplant for control rod drive mechanism ultrasonic examination and seals collection device, is installed on control
When rod drive mechanism outer wall processed is worked, couplant can be carried out effectively to seal, collected, ensure the coupling effect of ultrasonic probe
Fruit, while couplant is avoided to impact the electrical equipment in power station.
The technical scheme is that：
A kind of couplant for control rod drive mechanism ultrasonic examination seals collection device, including housing, couplant into
Outlet connection, airbag aeration connector, O-ring seal, air bag top board, air bag, air bag lower platen, air bag link block, air bag spiral shell
Nail；
The generally hollow cylindrical structure of housing is provided with the bottom of through-hole including side wall and center；Upper base surface is
The low slope shape of intermediate high surrounding, couplant flow to lower by eminence under gravity, and bottom lower surface is intermediate high
Step is formed with air bag link block and is tightly connected；
Housing sidewall bottom is equipped with through-hole, is equipped with couplant inlet-outlet connector, and couplant inlet-outlet connector is by couplant
Pour into and discharge housing；
Air bag link block generally loop configuration is fixedly mounted on the inside of housing bottom central through hole, air bag link block with
The contact surface of housing is step, and annular groove is equipped on the horizontal contact face of air bag link block, is equipped in groove O-shaped close
Seal, housing, O-ring seal, air bag link block form static seal structure by screw in compression；
Air bag is installed, air bag screw connects air bag top board, air bag, air bag lower platen and air bag on the inside of air bag link block
Connect block compression；
Airbag aeration connector is mounted on air bag link block, and air bag is inflated；When airbag aeration expands, air bag with
Control rod drive mechanism forms locking and sealing.
The housing bottom corresponds to couplant inlet-outlet connector position equipped with circular groove, couplant inlet-outlet connector and circle
Connected in star connects, and is the lowest part of housing bottom inside circular groove.
The air bag top board lower surface is equipped with two circle top board annular protrusions, and air bag lower platen upper surface is correspondingly provided with two
Lower platen annular protrusion is enclosed, air bag screw is fixedly mounted between two circle protrusions；Top board protrusion and lower platen protrusion insertion gas
Capsule, air bag generate deformation, form double-deck ring packing structure.
The diameter of bore of the air bag is slightly larger than the outer diameter of control rod drive mechanism.
The air bag screw is uniformly distributed circumferentially, and distinguishes fixation balloon top board from upper and lower both direction and air bag pushes
Plate.
The air bag screw carries out arranged in dislocation from upper and lower both direction.
The air bag screw is mounted with 12 respectively from upper and lower both direction.
Beneficial effects of the present invention are：
The cavity of a sealing is formed between the present invention and control rod drive mechanism outer wall, couplant is stored, convenient for ultrasound
Probe coupling；After having checked, couplant is effectively collected, avoids having residual coupling agent stream in equipment disassembly process
Go out and then the electrical equipment below control rod drive mechanism is had an impact.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is air bag air-tight structure schematic diagram.
Fig. 3 is the schematic diagram when present invention is in couplant sealing state.
Fig. 4 is the schematic diagram when present invention is in couplant emptying state.
In figure, 1- housings, 2- couplant inlet-outlet connectors, 3- airbag aeration connectors, 4-O type sealing rings are pressed on 5- air bags
Plate, 6- air bags, 7- air bag lower platens, 8- air bag link blocks, 9- air bag screws, 10- control rod drive mechanism, 11- couplants,
51- top board annular protrusions, 71- lower platen annular protrusions.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the present invention is that a kind of couplant for control rod drive mechanism ultrasonic examination seals collection
Device, including housing 1, couplant inlet-outlet connector 2, airbag aeration connector 3, O-ring seal 4, air bag top board 5, air bag 6,
Air bag lower platen 7, air bag link block 8, air bag screw 9.
The generally hollow cylindrical structure of housing 1 is provided with the bottom of through-hole including side wall and center.Bottom is designed as spy
Different geometry, the upper surface slope shape low for intermediate high surrounding, conducive to couplant 11 under gravity by eminence stream
To lower；Lower surface is intermediate high step, is tightly connected conducive to being formed with air bag link block 8.
1 sidewall bottom of housing is equipped with through-hole, is equipped with couplant inlet-outlet connector 2, and 1 bottom corresponding position of housing is equipped with circle
Connected in star, circular groove are the lowest part of 1 bottom of housing, and couplant inlet-outlet connector 2 is connected with rectangular recess, couplant disengaging
Mouth connector 2 is used to pour into and discharge housing 1 by couplant 11.
The generally loop configuration of air bag link block 8 is fixedly mounted on the inside of 1 bottom centre's through-hole of housing, air bag link block 8
Contact surface with housing 1 is step, and annular groove is equipped on the horizontal contact face of air bag link block 8, O is equipped in groove
Type sealing ring 4, housing 1, O-ring seal 4, air bag link block 8 form static seal structure by screw in compression.
8 inside of air bag link block is equipped with air bag 6, and air bag 6 may expand after inflating, be pushed by air bag top board 5 and air bag
Plate 7 compresses.5 lower surface of air bag top board is equipped with two circle top board annular protrusions 51, and 7 upper surface of air bag lower platen is correspondingly provided with two
Lower platen annular protrusion 71 is enclosed, air bag screw 9 is fixedly mounted between two circle protrusions, will be under air bag top board 5, air bag 6, air bag
Pressing plate 7 is compressed with air bag link block 8.Top board protrusion 51 and lower platen protrusion 71 are embedded in air bag 6 at this time, and air bag 6 generates deformation,
Play the effect of double-deck ring packing, air will not from the mounting hole or air bag 6 and air bag link block 8 of air bag screw 9 it
Between faying face run out of, couplant 11 can not also enter from the outside of air bag 6；Simultaneously as top board protrusion 51 and lower platen protrusion
71 insertion air bags 6 so that air bag 6 connects into an entirety with air bag link block 8, in 6 gas replenishment process of air bag, air bag 6 and gas
The part that capsule link block 8 contacts will not generate relative displacement with air bag link block 8 and then influence close because of 6 inflation of air bag
Seal effect.
Air bag screw 9 is uniformly distributed circumferentially, from upper and lower both direction difference fixation balloon top board 5 and air bag lower platen
7；To ensure sealing effect, 9 arranged in dislocation of air bag screw of upper and lower both direction is distinguished in upper and lower both direction in the present embodiment
It is mounted with 12 air bag screws 9.
Airbag aeration connector 3 is mounted on air bag link block 8, for being inflated to air bag 6.When 6 inflation of air bag
When, air bag 6 forms locking and sealing with control rod drive mechanism 10.The diameter of bore of air bag 6 is than the outer diameter of checked object
It is bigger, to ensure that after inflating good sealing effect can be formed.
As shown in figure 3, in checking process, the present invention drives after 11 sealing state of couplant, the inflation of air bag 6 with control rod
Motivation structure 10 is held tightly, forms sealing effect；Couplant 11 is entered by couplant inlet-outlet connector 2 inside housing 1, couplant 11
Liquid level do not had checked object.
As shown in figure 4, after having checked, the present invention in 11 emptying state of couplant, couplant 11 by couplant into
Outlet connection 2 discharges housing 1, and a small amount of remaining couplant 11 is in the rectangular recess of 1 bottom of housing；When provision for disengagement,
Air bag 6, which is deflated, to be unclamped, and a small amount of remaining couplant 11 will not be flowed on the outer wall of control rod drive mechanism 10.
The embodiment of the present invention is explained in detail above, the above embodiment is only most highly preferred embodiment of the invention,
It, within the knowledge of a person skilled in the art, can also be but the present invention is not limited to above-described embodiment
It is made a variety of changes under the premise of not departing from present inventive concept.
Claims (7)
1. a kind of couplant for control rod drive mechanism ultrasonic examination seals collection device, it is characterised in that：Including housing
(1), couplant inlet-outlet connector (2), airbag aeration connector (3), O-ring seal (4), air bag top board (5), air bag (6), gas
Capsule lower platen (7), air bag link block (8), air bag screw (9)；
The generally hollow cylindrical structure of housing (1) is provided with the bottom of through-hole including side wall and center；During upper base surface is
Between the low slope shape of high surrounding, couplant (11) flows to lower by eminence under gravity, and bottom lower surface is intermediate high
Step, with air bag link block (8) formed be tightly connected；
Housing (1) sidewall bottom is equipped with through-hole, is equipped with couplant inlet-outlet connector (2), and couplant inlet-outlet connector (2) is by coupling
Mixture (11) pours into and discharges housing (1)；
Air bag link block (8) generally loop configuration is fixedly mounted on the inside of housing (1) bottom centre through-hole, air bag link block
(8) it is step with the contact surface of housing (1), annular groove is equipped on the horizontal contact face of air bag link block (8), in groove
O-ring seal (4) is installed, housing (1), O-ring seal (4), air bag link block (8) form static seal by screw in compression
Structure；
Air bag (6) is installed on the inside of air bag link block (8), air bag screw (9) will be under air bag top board (5), air bag (6), air bag
Pressing plate (7) is compressed with air bag link block (8)；
Airbag aeration connector (3) is inflated air bag (6) on air bag link block (8)；When air bag (6) inflation
When, air bag (6) forms locking and sealing with control rod drive mechanism (10).
2. a kind of couplant for control rod drive mechanism ultrasonic examination as described in claim 1 seals collection device,
It is characterized in that：Housing (1) bottom corresponds to couplant inlet-outlet connector (2) position equipped with circular groove, couplant inlet and outlet
Connector (2) is connected with circular groove, is the lowest part of housing (1) bottom inside circular groove.
3. a kind of couplant for control rod drive mechanism ultrasonic examination as described in claim 1 seals collection device,
It is characterized in that：Air bag top board (5) lower surface is equipped with two circle top board annular protrusions (51), air bag lower platen (7) upper table
Face is correspondingly provided with two circle lower platen annular protrusions (71), and air bag screw (9) is fixedly mounted between two circle protrusions；Top board protrusion
(51) and the embedded air bag (6) of lower platen raised (71), air bag (6) generate deformation, form double-deck ring packing structure.
4. a kind of couplant for control rod drive mechanism ultrasonic examination as described in claim 1 seals collection device,
It is characterized in that：The diameter of bore of the air bag (6) is slightly larger than the outer diameter of control rod drive mechanism (10).
5. a kind of couplant for control rod drive mechanism ultrasonic examination as described in claim 1 seals collection device,
It is characterized in that：The air bag screw (9) is uniformly distributed circumferentially, from upper and lower both direction difference fixation balloon top board (5) and
Air bag lower platen (7).
6. a kind of couplant for control rod drive mechanism ultrasonic examination as claimed in claim 5 seals collection device,
It is characterized in that：The air bag screw (9) carries out arranged in dislocation from upper and lower both direction.
7. a kind of couplant for control rod drive mechanism ultrasonic examination as claimed in claim 5 seals collection device,
It is characterized in that：The air bag screw (9) is mounted with 12 respectively from upper and lower both direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260838.XA CN108267513B (en) | 2016-12-30 | 2016-12-30 | Couplant sealing and collecting device for ultrasonic inspection of control rod driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260838.XA CN108267513B (en) | 2016-12-30 | 2016-12-30 | Couplant sealing and collecting device for ultrasonic inspection of control rod driving mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108267513A true CN108267513A (en) | 2018-07-10 |
| CN108267513B CN108267513B (en) | 2024-06-07 |
Family
ID=62755110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260838.XA Active CN108267513B (en) | 2016-12-30 | 2016-12-30 | Couplant sealing and collecting device for ultrasonic inspection of control rod driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108267513B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012888A (en) * | 2007-01-26 | 2007-08-08 | 清华大学 | Air-actuated block valve |
| CN101192458A (en) * | 2006-11-30 | 2008-06-04 | 核动力运行研究所 | Pressure vessels top cover actuating device lower omega welding seam ultrasonic inspection method and device |
| CN201099618Y (en) * | 2007-07-24 | 2008-08-13 | 彭速建 | Aerostats air-proof filling pipe for loading |
| CN202156916U (en) * | 2011-07-19 | 2012-03-07 | 陆启源 | Filling and sealing device for volatile liquid |
| CN202185354U (en) * | 2011-07-14 | 2012-04-11 | 洛阳山盾机械科技有限公司 | Foam generator for flotation columns |
| CN202203317U (en) * | 2011-08-10 | 2012-04-25 | 青岛欧美亚橡胶工业有限公司 | Flange sealed type rubber air spring |
| CN204328231U (en) * | 2014-12-04 | 2015-05-13 | 重庆建峰化工股份有限公司 | The fine air sac sealing sleeve of a kind of pottery |
| CN104849354A (en) * | 2015-05-20 | 2015-08-19 | 中广核检测技术有限公司 | Omega welding seam ultrasonic scanning water circulating system for CRDM (control rod driving mechanism) |
| CN104979029A (en) * | 2015-05-20 | 2015-10-14 | 中广核检测技术有限公司 | Ultrasonic inspection device for omega welding seam of control rod drive mechanism in nuclear power station |
| CN205715892U (en) * | 2016-05-10 | 2016-11-23 | 常州市大全机械有限公司 | The hydraulic control valve body of ne-leakage |
| CN206420828U (en) * | 2016-12-30 | 2017-08-18 | 核动力运行研究所 | A kind of couplant for CRDM ultrasonic examination seals collection device |
-
2016
- 2016-12-30 CN CN201611260838.XA patent/CN108267513B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192458A (en) * | 2006-11-30 | 2008-06-04 | 核动力运行研究所 | Pressure vessels top cover actuating device lower omega welding seam ultrasonic inspection method and device |
| CN101012888A (en) * | 2007-01-26 | 2007-08-08 | 清华大学 | Air-actuated block valve |
| CN201099618Y (en) * | 2007-07-24 | 2008-08-13 | 彭速建 | Aerostats air-proof filling pipe for loading |
| CN202185354U (en) * | 2011-07-14 | 2012-04-11 | 洛阳山盾机械科技有限公司 | Foam generator for flotation columns |
| CN202156916U (en) * | 2011-07-19 | 2012-03-07 | 陆启源 | Filling and sealing device for volatile liquid |
| CN202203317U (en) * | 2011-08-10 | 2012-04-25 | 青岛欧美亚橡胶工业有限公司 | Flange sealed type rubber air spring |
| CN204328231U (en) * | 2014-12-04 | 2015-05-13 | 重庆建峰化工股份有限公司 | The fine air sac sealing sleeve of a kind of pottery |
| CN104849354A (en) * | 2015-05-20 | 2015-08-19 | 中广核检测技术有限公司 | Omega welding seam ultrasonic scanning water circulating system for CRDM (control rod driving mechanism) |
| CN104979029A (en) * | 2015-05-20 | 2015-10-14 | 中广核检测技术有限公司 | Ultrasonic inspection device for omega welding seam of control rod drive mechanism in nuclear power station |
| CN205715892U (en) * | 2016-05-10 | 2016-11-23 | 常州市大全机械有限公司 | The hydraulic control valve body of ne-leakage |
| CN206420828U (en) * | 2016-12-30 | 2017-08-18 | 核动力运行研究所 | A kind of couplant for CRDM ultrasonic examination seals collection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108267513B (en) | 2024-06-07 |
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