CN109595447A - A kind of horizontal steam generator heat-transfer pipe vortex detection device lifting device - Google Patents
A kind of horizontal steam generator heat-transfer pipe vortex detection device lifting device Download PDFInfo
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- CN109595447A CN109595447A CN201811573675.XA CN201811573675A CN109595447A CN 109595447 A CN109595447 A CN 109595447A CN 201811573675 A CN201811573675 A CN 201811573675A CN 109595447 A CN109595447 A CN 109595447A
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- transfer pipe
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to nuclear power station steam generator heat-transfer pipe technical field of nondestructive testing, more particularly to a kind of horizontal steam generator heat-transfer pipe vortex detection device lifting device, purpose is in view of the above-mentioned problems, providing the horizontal steam generator heat-transfer pipe vortex detection device hanging method of complete set.It is characterized in that, it includes column, front end scaffold and end scaffold；The outside of detection device ontology is arranged in column, is used for fixed test device noumenon；Front end scaffold shares multiple, sets gradually from top to bottom along strut length direction；End scaffold is arranged in column end；Front end scaffold and end scaffold are provided commonly for column and detection device ontology provides support.
Description
Technical field
The invention belongs to nuclear power station steam generator heat-transfer pipe technical field of nondestructive testing, and in particular to a kind of horizontal steam
Generator heat-transfer pipe vortex detection device lifting device.
Background technique
Steam generator heat-transfer pipe is the pressure boundary of nuclear reactor coolant system, and area accounts for primary Ioops pressure boundary
70% or more.Since heat-transfer pipe is the thin-wall tube of 1mm or so, and operating condition is also very severe, so heat-transfer pipe one
It is directly primary Ioops pressure boundary link the weakest.International nuclear power operating statistic data show there are about 50% or more with
The different degrees of breakage of heat-transfer pipe occurs for steam generator.Domestic and international each nuclear power station is implemented to use as a servant to steam generator heat-transfer pipe
Preceding and inservice inspection.
The steam generator for horizontal double collecting pipe structures that the steam generator of VVER-1000M unit uses, heat-transfer pipe are adopted
With horizontally disposed, referred to as horizontal steam generator.Its unique structure type determines that its detection device and vertical steam occur
Device there are greatest differences, horizontal steam generator detection device need to first pass through diameter phi 500mm manhole, enter back into internal diameter φ
The interior progress EDDY CURRENT of steam generator header of 834mm, high 5m.
Currently, foreign countries have SIEMENS company, INETEC company and HRID company to produce horizontal steam generator heat-transfer pipe
Eddy current detecting equipment；At home, China Nuclear Power Operation Technology Co., Ltd. produces horizontal steam generator biography
The eddy current detecting equipment of heat pipe.
In the EDDY CURRENT of horizontal steam generator heat-transfer pipe, detection device installation is in steam generator detection system
Key component, it be not only related to check work efficiency, by irradiation dose level, also affect inspection program formulation,
The contents such as the arrangement of inspection personnel.
In actual installation process, the structure of detection device and working environment to hoisting process bring it is some it is unfavorable because
Element:
1. detection device support post is longer (being greater than 5000mm), biggish installation space is needed.
2. single unit system is heavier, cable is more, and suspension centre selection is especially important, it should be noted that avoids cable, considers hoisting process
Conveniently, gravity center instability when avoiding lifting.
3. bottom of device support member radius is larger, there is collision scaffold risk in when vertical lifting.
4. nuclear power station site environment is severe, ground is uneven, and scaffold support is unstable, and device centre-of gravity shift is more serious, and
In single unit system lifting, several workers are needed to stablize bottom of device, then lifted, efficiency is lower.
Summary of the invention
It is an object of the invention in view of the above-mentioned problems, providing the horizontal steam generator heat-transfer pipe vortex inspection of complete set
Survey device hanging method.
The present invention is implemented as follows:
A kind of horizontal steam generator heat-transfer pipe vortex detection device lifting device, including column, front end scaffold and end
End feet hand cradle；The outside of detection device ontology is arranged in column, is used for fixed test device noumenon；Front end scaffold is shared more
It is a, it is set gradually from top to bottom along strut length direction；End scaffold is arranged in column end；Front end scaffold and end foot
Hand cradle is provided commonly for column and detection device ontology provides support.
Column generally framework architecture as described above, is divided into two sections；Upper pillar stand is divided into left and right two, between each other
It is arranged in parallel, is fixed together by upper cover plate；Multiple hanging rings are installed in the upper end of upper cover plate, as lifting device
Suspension centre；Lower pillar stand is divided into left and right two, is arranged in parallel, is fixed together between each other by lower cover plate；In lower pillar stand
Lower end is provided with pin hole, for connecting end scaffold；The lower end of lower cover plate is provided with support member, in column and
Support is provided in bottom when detection device ontology state in a vertical shape；One is fixedly connected as using screw between two sections column
It is whole.
Front end scaffold as described above includes two groups of front end scaffold support structures and crossbeam one；Two groups of front end scaffolds
Support construction is oppositely arranged, and middle part is fixedly connected as an entirety by crossbeam one.
Front end scaffold support structure as described above include bottom supporting beam, support column, support beam, telescopic arm one,
Crossbeam one, telescoping mechanism, rocking bar, reinforcing rib and universal wheel；The rear and front end of bottom supporting beam lower end surface is arranged in universal wheel, real
The movement of existing front end scaffold；The lower end of support column is fixed on the center of bottom supporting beam upper surface, inner side end top
Fixed cross beam one；The front and rear sides of support column are arranged in reinforcing rib, for reinforcing the load-bearing capacity of support column；Telescoping mechanism is fixed
In the upper end of support column, the top of telescoping mechanism is arranged in telescopic arm one, by the rocking bar on rotation telescoping mechanism, realizes flexible
The up and down motion of arm one；Support beam is fixed on the upper end of one inside of telescopic arm, is used to support column.
There are three front end scaffold as described above is total.
End scaffold as described above includes two groups of rear end scaffold support structures and crossbeam two；Two groups of front end scaffolds
Support construction is oppositely arranged, and lower part is fixedly connected as an entirety by crossbeam two.
End scaffold support structure as described above includes bottom supporting beam, support column, telescoping mechanism, rocking bar, universal
Wheel, telescopic arm two and pin hole；The rear and front end of bottom supporting beam is arranged in universal wheel, realizes the movement of end scaffold；Bottom
The rear and front end fixed cross beam two of the inner side end of portion's supporting beam；The lower end of support column is fixed in the supporting beam upper surface of bottom
Heart position；Telescoping mechanism is fixed on the upper end of support column, and the top of telescoping mechanism is arranged in telescopic arm two, by rotating telescopic machine
Rocking bar on structure realizes the up and down motion of telescopic arm two；The upper end of telescopic arm two is arranged in pin hole, realizes for being inserted into pin
With being flexibly connected for column.
Difference in height between pin hole and crossbeam two as described above is greater than the length of support member, so that will test device
When ontology is lifted to vertical direction by horizontal direction, support member is not interfered with end scaffold.
Telescoping mechanism as described above is realized using screw slider mechanism.
Column, front end scaffold and end scaffold as described above are all made of stainless steel material and are made.
The beneficial effects of the present invention are:
Column segmental hoisting may be implemented in the present invention, and single unit system is not required to manpower and maintains to stablize, easy to operate, saving people
Working efficiency is improved in power and operating space.
The reasonable gravity distribution when present invention lifts solves unbalance stress phenomenon caused by gravity center instability when because of lifting, avoids
Load bearing component, while accurate positioning are damaged, can be smoothly lifted on mounting platform convenient for device.
Scaffold conveniently moving energy separately adjustable left and right cross beam support height when the present invention installs, adapts to nuclear power station complexity
Working environment, the collision being avoided that in hoisting process.
Detailed description of the invention
Fig. 1 is a kind of installation signal of horizontal steam generator heat-transfer pipe vortex detection device lifting device of the invention
Figure；
Fig. 2 is the structural schematic diagram of front end scaffold of the invention；
Fig. 3 is the structural schematic diagram of end scaffold of the invention.
Wherein: 1. columns, 2. support platforms, 3. detection device ontologies, 4. support members, 5. front end scaffolds, 6. screws,
7. end scaffold, 8. support beams, 9. telescopic arms one, 10. crossbeams one, 11. telescoping mechanisms, 12. rocking bars, 13. reinforcing ribs,
14. universal wheel, 15. telescopic arms two, 16. pin holes, 17. crossbeams two.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of horizontal steam generator heat-transfer pipe vortex detection device lifting device, including column 1, front end
Scaffold 5 and end scaffold 7.The outside of detection device ontology 3 is arranged in column 1, is used for fixed test device noumenon 3.Before
End feet hand cradle 5 shares multiple, sets gradually from top to bottom along 1 length direction of column.End scaffold 7 is arranged in column end.
Front end scaffold 5 and end scaffold 7 are provided commonly for column 1 and detection device ontology 3 provides support.
As shown in Figure 1, the generally framework architecture of column 1, is divided into two sections.Upper pillar stand is divided into left and right two,
It is arranged in parallel, is fixed together by upper cover plate between each other.Multiple hanging rings are installed in the upper end of upper cover plate, as hanging
The suspension centre of holding tool.Lower pillar stand is divided into left and right two, is arranged in parallel, is fixed together between each other by lower cover plate.?
The lower end of lower pillar stand is provided with pin hole, for connecting end scaffold 7.The lower end of lower cover plate is provided with support member 4, uses
In in column 1 and detection device 3 state in a vertical shape of ontology bottom provide support.Screw 6 is used between two sections column
It is fixedly connected as an entirety.
As shown in Fig. 2, the front end scaffold 5 includes two groups of front end scaffold support structures and crossbeam 1.Two groups
Front end scaffold support structure is oppositely arranged, and middle part is fixedly connected as an entirety by crossbeam 1.The preceding end feet hand
Frame support structure includes bottom supporting beam, support column, support beam 8, telescopic arm 1, crossbeam 1, telescoping mechanism 11, rocking bar
12, reinforcing rib 13 and universal wheel 14.The rear and front end of bottom supporting beam lower end surface is arranged in universal wheel 14, realizes front end scaffold
5 movement.The lower end of support column is fixed on the center of bottom supporting beam upper surface, inner side end top fixed cross beam one
10.The front and rear sides of support column are arranged in reinforcing rib 13, for reinforcing the load-bearing capacity of support column.Telescoping mechanism 11 is fixed on branch
The top of telescoping mechanism 11 is arranged in the upper end of dagger, telescopic arm 1, by the rocking bar 12 on rotation telescoping mechanism 11, realizes
The up and down motion of telescopic arm 1.Support beam 8 is fixed on the upper end of one 9 inside of telescopic arm, is used to support column 1.
There are three the front end scaffold 5 is total.
As shown in figure 3, the end scaffold 7 includes two groups of rear end scaffold support structures and crossbeam 2 17.Two groups
Front end scaffold support structure is oppositely arranged, and lower part is fixedly connected as an entirety by crossbeam 2 17.The end foot hand
Frame support structure includes bottom supporting beam, support column, telescoping mechanism 11, rocking bar 12, universal wheel 14, telescopic arm 2 15 and pin hole
16.The rear and front end of bottom supporting beam is arranged in universal wheel 14, realizes the movement of end scaffold 7.The inside of bottom supporting beam
The rear and front end fixed cross beam 2 17 of end face.The lower end of support column is fixed on the center of bottom supporting beam upper surface.It is flexible
Mechanism 11 is fixed on the upper end of support column, and the top of telescoping mechanism 11 is arranged in telescopic arm 2 15, by rotating telescoping mechanism 11
On rocking bar 12, realize telescopic arm 2 15 up and down motion.The upper end of telescopic arm 2 15 is arranged in pin hole 16, for being inserted into pin
Nail realization is flexibly connected with column 1.
Difference in height between the pin hole 16 and crossbeam 2 17 is greater than the length of support member 4, so that will test dress
When setting ontology 3 and being lifted to vertical direction by horizontal direction, support member 4 is not interfered with end scaffold 7.
In the present embodiment, the telescoping mechanism 11 is realized using screw slider mechanism.The column 1, preceding end feet
Hand cradle 5 and end scaffold 7 are all made of stainless steel material and are made.
Working principle of the present invention is as follows:
1. front end scaffold 5, end scaffold 7 are arranged side by side as shown in Figure 1, scaffold 7 is placed in end.By column 1
Upper and lower end left and right pillar is lifted to scaffold crossbeam, and column end is connect by pin with end scaffold pin hole 16, is made
With scaffold rocking bar 12, two sides beam height is adjusted, until column 1 is horizontal positioned, and left and right height is consistent.Column 1 is spliced
It is fastened after the assembly is completed with screw 6.Lower cover plate and lower pillar stand are assembled, locked by screw.Support member 4 and lower cover plate are filled
Match.
2. will test the lifting of device noumenon 3, it will test device idler wheel and gear and assembled respectively with column raceway and rack gear.So
Upper cover plate and upper pillar stand are assembled afterwards, and fastened with screw.Support platform 2 is sling, is assembled with column, single unit system dress is completed
Match.
3. hanging ring is sling, when arriving device plumbness, pin is taken out, is lifted in steam generator header, supported
Platform 2 is fixed with steam generator platform, completes entire lifting process.
4. device is dismantled, scaffold is arranged side by side by Fig. 1, adjusting rocking bar makes crossbeam and pin hole be in same level
On line.It will test device noumenon 3 to hang out from header.Then 1 end of column is connect with end scaffold pin hole 16, is delayed
Slow apparatus for placing is until be placed horizontally on scaffold, finally progress device disassembly.
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. a kind of horizontal steam generator heat-transfer pipe vortex detection device lifting device, it is characterised in that: it include column (1),
Front end scaffold (5) and end scaffold (7)；Column (1) setting is used for fixed test in the outside of detection device ontology (3)
Device noumenon (3)；Front end scaffold (5) shares multiple, and along column (1), length direction is set gradually from top to bottom；End foot hand
Frame (7) is arranged in column end；Front end scaffold (5) and end scaffold (7) are provided commonly for column (1) and detection device sheet
Body (3) provides support.
2. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 1, it is characterised in that:
Column (1) the generally framework architecture, is divided into two sections；Upper pillar stand is divided into left and right two, is arranged in parallel between each other,
It is fixed together by upper cover plate；Multiple hanging rings are installed in the upper end of upper cover plate, the suspension centre as lifting device；It is lower vertical
Column is divided into left and right two, is arranged in parallel, is fixed together between each other by lower cover plate；It is provided in the lower end of lower pillar stand
Pin hole, for connecting end scaffold (7)；The lower end of lower cover plate is provided with support member (4), in column (1) and
Support is provided in bottom when detection device ontology (3) state in a vertical shape；It is fixedly connected between two sections column using screw (6)
For an entirety.
3. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 2, it is characterised in that:
The front end scaffold (5) includes two groups of front end scaffold support structures and crossbeam one (10)；Two groups of front end scaffold supports
Structure is oppositely arranged, and middle part is fixedly connected as an entirety by crossbeam one (10).
4. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 3, it is characterised in that:
The front end scaffold support structure includes bottom supporting beam, support column, support beam (8), telescopic arm one (9), crossbeam one
(10), telescoping mechanism (11), rocking bar (12), reinforcing rib (13) and universal wheel (14)；Universal wheel (14) is arranged in bottom supporting beam
The movement of front end scaffold (5) is realized in the rear and front end of lower end surface；The lower end of support column is fixed on bottom supporting beam upper surface
Center, inner side end top fixed cross beam one (10)；The front and rear sides of support column are arranged in reinforcing rib (13), for reinforcing
The load-bearing capacity of support column；Telescoping mechanism (11) is fixed on the upper end of support column, and telescopic arm one (9) is arranged in telescoping mechanism (11)
Top, pass through rotation telescoping mechanism (11) on rocking bar (12), realize telescopic arm one (9) up and down motion；Support beam (8)
It is fixed on the upper end on the inside of telescopic arm one (9), is used to support column (1).
5. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 3, it is characterised in that:
There are three the front end scaffold (5) is total.
6. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 2, it is characterised in that:
The end scaffold (7) includes two groups of rear end scaffold support structures and crossbeam two (17)；Two groups of front end scaffold supports
Structure is oppositely arranged, and lower part is fixedly connected as an entirety by crossbeam two (17).
7. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 6, it is characterised in that:
The end scaffold support structure includes bottom supporting beam, support column, telescoping mechanism (11), rocking bar (12), universal wheel
(14), telescopic arm two (15) and pin hole (16)；The rear and front end of bottom supporting beam is arranged in universal wheel (14), realizes end foot
The movement of hand cradle (7)；The rear and front end fixed cross beam two (17) of the inner side end of bottom supporting beam；The lower end of support column is fixed on
The center of bottom supporting beam upper surface；Telescoping mechanism (11) is fixed on the upper end of support column, and telescopic arm two (15) setting exists
The top of telescoping mechanism (11) fortune up and down of telescopic arm two (15) is realized by the rocking bar (12) in rotation telescoping mechanism (11)
It is dynamic；Pin hole (16) setting is realized in the upper end of telescopic arm two (15), for being inserted into pin and is flexibly connected with column (1).
8. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 7, it is characterised in that:
Difference in height between the pin hole (16) and crossbeam two (17) is greater than the length of support member (4), so that will test device
When ontology (3) is lifted to vertical direction by horizontal direction, support member (4) is not interfered with end scaffold (7).
9. horizontal steam generator heat-transfer pipe vortex detection device lifting device, feature according to claim 4 or 7 exist
In: the telescoping mechanism (11) is realized using screw slider mechanism.
10. horizontal steam generator heat-transfer pipe vortex detection device lifting device according to claim 1, feature exist
In: column (1), front end scaffold (5) and the end scaffold (7) is all made of stainless steel material and is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811573675.XA CN109595447B (en) | 2018-12-21 | 2018-12-21 | Lifting tool of vortex flow detection device for heat transfer tube of horizontal steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811573675.XA CN109595447B (en) | 2018-12-21 | 2018-12-21 | Lifting tool of vortex flow detection device for heat transfer tube of horizontal steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109595447A true CN109595447A (en) | 2019-04-09 |
| CN109595447B CN109595447B (en) | 2024-03-22 |
Family
ID=65963191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811573675.XA Active CN109595447B (en) | 2018-12-21 | 2018-12-21 | Lifting tool of vortex flow detection device for heat transfer tube of horizontal steam generator |
Country Status (1)
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| CN (1) | CN109595447B (en) |
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