CN109540909A - One kind being used for steam generator tube sheet outer ring corridor video check guiding device - Google Patents
One kind being used for steam generator tube sheet outer ring corridor video check guiding device Download PDFInfo
- Publication number
- CN109540909A CN109540909A CN201811574978.3A CN201811574978A CN109540909A CN 109540909 A CN109540909 A CN 109540909A CN 201811574978 A CN201811574978 A CN 201811574978A CN 109540909 A CN109540909 A CN 109540909A
- Authority
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- China
- Prior art keywords
- idler wheel
- winding pipe
- head
- elbow
- handle
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/38—Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manipulator (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to nuclear power station heat exchanger service technique fields, and in particular to one kind is used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that: it includes elbow, winding pipe, casing, handle, movement idler wheel, locking idler wheel and wirerope；Elbow is fixed on the right end of casing, for accommodating the head of winding pipe；Handle is fixed on the left end of casing, for holding；Winding pipe passes through the inside of handle, casing and elbow from left to right, and head and elbow are clamped, and for accommodating and conveying video probe and foreign body grabbing tool, realizes video check and foreign body grabbing for heat-transfer pipe；The lower end of handle is arranged in movement idler wheel and locking idler wheel, for adjusting the angle of winding tube head and being locked；The right end of wirerope is fixedly connected with winding tube head, and left end winds and is fixed on movement idler wheel, for realizing the adjustment for metal winding pipe head angle under the pulling of movement idler wheel.
Description
Technical field
The invention belongs to nuclear power station heat exchanger service technique fields, and in particular to one kind is used for steam generator tube sheet outer ring
Corridor video check guiding device.
Background technique
Steam generator, abbreviation SG are one of nuclear power plant's key equipments, play the isolation and heat exchange of one, secondary circuit
Effect.Most of SG of nuclear power station uses the structure type of the vertical Natural Circulation of built-in steam-water separator at present.In nuclear power machine
In group normal course of operation, even if carrying out stringent control to secondary circuit water chemistry, it can also be generated not in SG and water supply system
Dissolubility corrosion product.These corrosion products, can be in the secondary side tube sheet surface SG and pipe while being discharged by drainage part
The problems such as beam deposits in gap, forms body refuse accumulation, eventually leads to the decline of the heat-transfer pipe burn into thermal efficiency and unstable water level.
Domestic and international operating experience shows that visual inspection is the mode most directly judged SG body refuse situation, passes through mesh
Inspection looks into the deposit that can position tube sheet upper surface, foreign matter, judges body refuse, the property of foreign matter and adhesion condition etc..For SG tube sheet
Subsequent body refuse rinses or other treatment measures such as foreign body grabbing provide video foundation.
Although currently, domestic since the significance and necessity of video check between SG pipe have had some video checks to fill
Investment nuclear power station practical application is set, but these video inspection devices still remain some problems in application process at the scene, such as
Most of operator need to be needed to be operated manually by SG hand hole or eyelet, be influenced by S/G interior space structure, video check
Process needs to switch steering tool mostly, high to operator's skill requirement, takes a long time, the ionization spoke vulnerable to larger dose
It penetrates.
Summary of the invention
The present invention is directed to nuclear power plant's different zones video check and foreign body grabbing demand, proposes a kind of while being suitable for steam
The flexible guiding device of video check between generator outer ring corridor and the pipe entered by outer ring corridor, can manually will be flexible by the device
Between tool is directed at the specified region in SG outer ring corridor or is directed into specified pipe from outer ring corridor, which has versatility, avoids not
Special manual steering tool with region is frequently replaced, reduces tube sheet video check dead angle, and video check operator can be reduced
Dose of radiation guarantees Checking on effect.
The present invention is implemented as follows:
One kind being used for steam generator tube sheet outer ring corridor video check guiding device, including elbow, winding pipe, casing, hand
Handle, movement idler wheel, locking idler wheel and wirerope；Elbow is fixed on the right end of casing, for accommodating the head of winding pipe；Handle is solid
It is scheduled on the left end of casing, for holding；Winding pipe passes through the inside of handle, casing and elbow, head and elbow card from left to right
It connects, for accommodating and conveying video probe and foreign body grabbing tool, realizes video check and foreign body grabbing for heat-transfer pipe；Fortune
The lower end of handle is arranged in dynamic idler wheel and locking idler wheel, for adjusting the angle of winding tube head and being locked；Wirerope
Right end is fixedly connected with winding tube head, and left end winds and is fixed on movement idler wheel, for real under the pulling of movement idler wheel
Referring now to the adjustment of metal winding pipe head angle.
The generally hollow cylindrical of elbow as described above, is provided with arc angling, left side in right side upper end
Opening is used for fixed sleeving, lower end surface opening, for stretching out the head of winding pipe；It is provided with guide groove on the inner wall of elbow,
For fixing winding pipe.
Elbow as described above is made of nylon material.
Winding pipe left part as described above is straight sections, and right part is head, is connected between the two by bending section；Winding pipe
Bending section be caught in the guide groove of elbow, be fixedly connected with elbow.
Winding tube head as described above and the angle of straight sections are adjustable, and adjusting range is 30 ° to 90 °；Winding pipe is adopted
It is made of flexible metal materials, it is flexible.
The generally hollow cylindrical of casing as described above, offers pilot hole in lower end, for across wirerope；
Casing plays the role of coating winding pipe and wirerope, wirerope-winding can be effectively prevent to knot.
Casing as described above is made of flexible metal materials, flexible.
Handle left part as described above is hollow cylindrical, and right part is taper type；The left end of taper type is big end, right
End is small end；Handle taper type right end is fixedly connected with fixed sleeving, offers guide groove on taper type right end, for across steel
Cord；The lower end of handle 4 is provided with a fixed metal shaft, for installing movement idler wheel and locking idler wheel.
Movement idler wheel as described above and locking idler wheel are installed in the fixation metal shaft of handle；Adjustment movement idler wheel contracting
Tight or release, wire rope finely tunes winding pipe head angle；Tight lock idler wheel lock motion idler wheel ensures that winding pipe head angle is permanent
It is fixed.
Wirerope right end as described above is fixed with winding tube head, and it is reserved to pass through pilot hole, handle that casing is reserved
Guide groove after, left end wind and be fixed on movement idler wheel on.
The beneficial effects of the present invention are:
1. structure is simple, easy to operate, reduces personnel and skill requirement is manually operated；
2. versatility is good, suitable for most SG outer rings corridor and between the pipe that outer ring corridor passes in and out in region video check and
Foreign body grabbing；
3. saving the time that dedicated steering tool is switched in outer ring corridor region, operator's dose of radiation can be reduced.
Detailed description of the invention
Fig. 1 is a kind of structural representation for steam generator tube sheet outer ring corridor video check guiding device of the invention
Figure；
Fig. 2 is a kind of working condition for steam generator tube sheet outer ring corridor video check guiding device of the invention
Figure.
Wherein: 1. elbows, 2. winding pipe, 3. casings, 4. handles, 5. movement idler wheels, 6. locking idler wheels, 7. wirerope.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of be used for steam generator tube sheet outer ring corridor video check guiding device, including elbow 1, winding
Pipe 2, casing 3, handle 4, movement idler wheel 5, locking idler wheel 6 and wirerope 7.Elbow 1 is fixed on the right end of casing 3, for accommodating
The head of winding pipe 2.Handle 4 is fixed on the left end of casing 3, for holding.Winding pipe 2 passes through handle 4, casing 3 from left to right
With the inside of elbow 1, head and elbow 1 are clamped, and for accommodating and conveying video probe and foreign body grabbing tool, are realized for passing
The video check and foreign body grabbing of heat pipe.The lower end of handle 4 is arranged in movement idler wheel 5 and locking idler wheel 6, for adjusting winding pipe
The angle on 2 heads is simultaneously locked.The right end of wirerope 7 is fixedly connected with 2 head of winding pipe, and left end winds and is fixed on movement
On idler wheel 5, for realizing the adjustment for metal winding pipe head angle under the pulling of movement idler wheel 5.
The generally hollow cylindrical of the elbow 1 is provided with arc angling in right side upper end, and left side is opened
Mouthful, it is used for fixed sleeving 3, lower end surface opening, for stretching out the head of winding pipe 2.Guiding is provided on the inner wall of elbow 1
Slot, for fixing winding pipe 2.Elbow 1 is made of nylon material.
2 left part of winding pipe is straight sections, and right part is head, is connected between the two by bending section.Winding pipe 2
Bending section is caught in the guide groove of elbow 1, is fixedly connected with elbow 1.The angle of 2 head of winding pipe and straight sections is adjustable, adjustment
Range is 30 ° to 90 °.Winding pipe 2 is made of flexible metal materials, flexible.
The generally hollow cylindrical of the casing 3, offers pilot hole in lower end, for across wirerope 7.Set
Pipe 3 plays the role of coating winding pipe 2 and wirerope 7, can effectively prevent 7 tangled up and knotted of wirerope.Casing 3 uses soft alloy material
Material is made, flexible.
4 left part of handle is hollow cylindrical, and right part is taper type.The left end of taper type is big end, right end
For small end.4 taper type right end of handle is fixedly connected with fixed sleeving 3, offers guide groove on taper type right end, for across steel
Cord 7.The lower end of handle 4 is provided with a fixed metal shaft, for installing movement idler wheel 5 and locking idler wheel 6.
The movement idler wheel 5 and locking idler wheel 6 is installed in the fixation metal shaft of handle 4.Adjustment movement idler wheel 5 can
To tighten or release, wire rope 7, finely tune 2 head angle of winding pipe；Tight lock idler wheel 6 can be with lock motion idler wheel 5, guarantee winding
2 head angle of pipe is constant.
7 right end of wirerope is fixed with 2 head of winding pipe, and it is reserved to pass through pilot hole, handle 4 that casing 3 is reserved
Guide groove after, left end wind and be fixed on movement idler wheel 5 on.
The course of work of the invention is as follows:
The guiding device is protruded into SG outer ring corridor region, video probe and foreign body grabbing tool to send by winding pipe 2 to it
There are one basic 30 ° of angle behind head, i.e., initial guide angle；Movement idler wheel 5 is manually adjusted, 2 head of winding pipe occurs
And certain amount of bow is maintained, compliant tool is with angle between the adjustment inlet/outlet pipe of winding pipe 2, until there is proper angle, probe
Locking idler wheel 6 is fixed after complicated narrow position can be passed in and out freely, probe and foreign body grabbing tool will be along the guiding devices
The angle mixed up carries out operation；Work terminates compliant tool and first retracts original position, then discharges tight lock idler wheel 6, and winding pipe 2 is in itself bullet
Original position is voluntarily gone back under power effect, compliant tool is finally fully drawn out, takes out guiding device.
It is explained in detail above in conjunction with implementation method of the embodiment to invention, but invention is not limited to above-mentioned implementation
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Various change out.The content that description in the present invention is not described in detail can use the prior art.
Claims (10)
1. one kind be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that: it include elbow (1),
Winding pipe (2), casing (3), handle (4), movement idler wheel (5), locking idler wheel (6) and wirerope (7)；Elbow (1) is fixed on set
The right end for managing (3), for accommodating the head of winding pipe (2)；Handle (4) is fixed on the left end of casing (3), for holding；Winding
The inside that (2) pass through handle (4), casing (3) and elbow (1) from left to right is managed, head and elbow (1) are clamped, for accommodating simultaneously
Video probe and foreign body grabbing tool are conveyed, realizes video check and foreign body grabbing for heat-transfer pipe；It moves idler wheel (5) and locks
Tight idler wheel (6) is arranged in the lower end of handle (4), for adjusting the angle on winding pipe (2) head and being locked；Wirerope (7)
Right end be fixedly connected with winding pipe (2) head, left end wind and be fixed on movement idler wheel (5) on, for movement idler wheel (5)
Pulling under realize adjustment for metal winding pipe head angle.
2. according to claim 1 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
The generally hollow cylindrical of the elbow (1) is provided with arc angling in right side upper end, and left side opening is used for
Fixed sleeving (3), lower end surface opening, for stretching out the head of winding pipe (2)；It is provided with guide groove on the inner wall of elbow (1),
For fixing winding pipe (2).
3. according to claim 2 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
The elbow (1) is made of nylon material.
4. according to claim 2 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
Winding pipe (2) left part is straight sections, and right part is head, is connected between the two by bending section；The bending of winding pipe (2)
Portion is caught in the guide groove of elbow (1), is fixedly connected with elbow (1).
5. according to claim 4 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
The angle on winding pipe (2) head and straight sections is adjustable, and adjusting range is 30 ° to 90 °；Winding pipe (2) is using soft
Metal material is made, flexible.
6. according to claim 4 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
The generally hollow cylindrical of the casing (3), offers pilot hole in lower end, for across wirerope (7)；Casing
(3) play the role of coating winding pipe (2) and wirerope (7), wirerope (7) tangled up and knotted can be effectively prevent.
7. according to claim 6 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
The casing (3) is made of flexible metal materials, flexible.
8. according to claim 6 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
Handle (4) left part is hollow cylindrical, and right part is taper type；The left end of taper type is big end, and right end is small end；
Handle (4) taper type right end is fixedly connected with fixed sleeving (3), offers guide groove on taper type right end, for across steel wire
It restricts (7)；The lower end of handle 4 is provided with a fixed metal shaft, for installing movement idler wheel (5) and locking idler wheel (6).
9. according to claim 8 be used for steam generator tube sheet outer ring corridor video check guiding device, it is characterised in that:
The movement idler wheel (5) and locking idler wheel (6) is installed in the fixation metal shaft of handle (4)；Adjustment movement idler wheel (5) contracting
Tight or release, wire rope (7) finely tunes winding pipe (2) head angle；Tight lock idler wheel (6) lock motion idler wheel (5) ensures winding
It is constant to manage (2) head angle.
10. according to claim 8 be used for steam generator tube sheet outer ring corridor video check guiding device, feature exists
In: wirerope (7) right end is fixed with winding pipe (2) head, and it is pre- to pass through pilot hole casing (3) reserved, handle (4)
After the guide groove stayed, left end winds and is fixed in movement idler wheel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574978.3A CN109540909A (en) | 2018-12-21 | 2018-12-21 | One kind being used for steam generator tube sheet outer ring corridor video check guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574978.3A CN109540909A (en) | 2018-12-21 | 2018-12-21 | One kind being used for steam generator tube sheet outer ring corridor video check guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540909A true CN109540909A (en) | 2019-03-29 |
Family
ID=65856422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811574978.3A Pending CN109540909A (en) | 2018-12-21 | 2018-12-21 | One kind being used for steam generator tube sheet outer ring corridor video check guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540909A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830591A (en) * | 2019-04-23 | 2020-10-27 | 斗山重工业建设有限公司 | Steam generator inspection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USB415021I5 (en) * | 1973-11-12 | 1976-03-02 | ||
| GB1447051A (en) * | 1973-04-16 | 1976-08-25 | Atomic Energy Authority Uk | Tube-in-shell heat exchangers |
| FR2519761A1 (en) * | 1982-01-14 | 1983-07-18 | Intercontrole Sa | Probe for inspecting tubes, esp. in steam generator - where probe is located on cable carrying helical winding of wire to prevent kinking of cable in bent tubes being inspected |
| CN1924562A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Main pipe welding seam ray detection and positioning device for nuclear power station steam generator |
| CN103654693A (en) * | 2013-12-25 | 2014-03-26 | 龙刚 | Improved angle adjusting mechanism for endoscope |
| CN103890491A (en) * | 2011-02-18 | 2014-06-25 | 通用电气公司 | Low row steam generator inspection probe |
| CN104749183A (en) * | 2013-12-30 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Video inspection tool for secondary side tube plate of steam generator |
| CN105239507A (en) * | 2015-10-28 | 2016-01-13 | 上海市城市建设设计研究总院 | Steering gear of cable member |
| CN105377107A (en) * | 2014-06-06 | 2016-03-02 | 奥林巴斯株式会社 | Coil structure used for endoscope, and endoscope and treatment instrument each comprising said coil structure |
| CN107049209A (en) * | 2017-06-12 | 2017-08-18 | 上海成运医疗器械股份有限公司 | Endoscope handle portion with angle control function |
| CN108420514A (en) * | 2018-04-22 | 2018-08-21 | 吉林大学 | A kind of foreign body in stomach withdrawing device |
| CN207882159U (en) * | 2017-10-26 | 2018-09-18 | 辽宁红沿河核电有限公司 | A kind of video inspection device |
| CN209400435U (en) * | 2018-12-21 | 2019-09-17 | 核动力运行研究所 | One kind being used for steam generator tube sheet outer ring corridor video check guiding device |
-
2018
- 2018-12-21 CN CN201811574978.3A patent/CN109540909A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1447051A (en) * | 1973-04-16 | 1976-08-25 | Atomic Energy Authority Uk | Tube-in-shell heat exchangers |
| USB415021I5 (en) * | 1973-11-12 | 1976-03-02 | ||
| FR2519761A1 (en) * | 1982-01-14 | 1983-07-18 | Intercontrole Sa | Probe for inspecting tubes, esp. in steam generator - where probe is located on cable carrying helical winding of wire to prevent kinking of cable in bent tubes being inspected |
| CN1924562A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Main pipe welding seam ray detection and positioning device for nuclear power station steam generator |
| CN103890491A (en) * | 2011-02-18 | 2014-06-25 | 通用电气公司 | Low row steam generator inspection probe |
| CN103654693A (en) * | 2013-12-25 | 2014-03-26 | 龙刚 | Improved angle adjusting mechanism for endoscope |
| CN104749183A (en) * | 2013-12-30 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Video inspection tool for secondary side tube plate of steam generator |
| CN105377107A (en) * | 2014-06-06 | 2016-03-02 | 奥林巴斯株式会社 | Coil structure used for endoscope, and endoscope and treatment instrument each comprising said coil structure |
| CN105239507A (en) * | 2015-10-28 | 2016-01-13 | 上海市城市建设设计研究总院 | Steering gear of cable member |
| CN107049209A (en) * | 2017-06-12 | 2017-08-18 | 上海成运医疗器械股份有限公司 | Endoscope handle portion with angle control function |
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| CN108420514A (en) * | 2018-04-22 | 2018-08-21 | 吉林大学 | A kind of foreign body in stomach withdrawing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830591A (en) * | 2019-04-23 | 2020-10-27 | 斗山重工业建设有限公司 | Steam generator inspection device |
| CN111830591B (en) * | 2019-04-23 | 2024-03-26 | 斗山重工业建设有限公司 | Steam generator inspection device |
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Application publication date: 20190329 |