CN109273117A - A kind of nuclear power plant voltage stabilizer ray inspection arrangement - Google Patents
A kind of nuclear power plant voltage stabilizer ray inspection arrangement Download PDFInfo
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- CN109273117A CN109273117A CN201811128898.5A CN201811128898A CN109273117A CN 109273117 A CN109273117 A CN 109273117A CN 201811128898 A CN201811128898 A CN 201811128898A CN 109273117 A CN109273117 A CN 109273117A
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- 238000007689 inspection Methods 0.000 title claims abstract description 28
- 239000003381 stabilizer Substances 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 58
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 5
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
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- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention relates to a kind of nuclear power plant voltage stabilizer ray inspection arrangements, voltage-stablizer includes cylinder, it is welded on the upper cover on cylinder top, it is welded on the lower head of cylinder lower part, the adapter tube being welded on upper cover, the Surge line piping being welded on lower head, the manhole of voltage-stablizer is set to the upper side of cylinder, the axial line of manhole and the perpendicular setting of the axial line of cylinder, ray inspection arrangement includes having the first check device for being used to detect the weld seam between upper cover and cylinder and upper cover and adapter tube of upper radiographic source, the second check device for being used to detect the weld seam between lower head and cylinder and lower head and Surge line piping with lower radiographic source；First check device, which need to only be installed once, can be completed above-mentioned detection, so that working efficiency greatly improves.Second check device structure deft design, is easily installed and adjusts, and installation personnel is easy learning and mastering erection skill, greatly reduces the set-up time, reduces the quantity of installation personnel.
Description
Technical field
The present invention relates to a kind of nuclear power plant voltage stabilizer ray inspection arrangements.
Background technique
Nuclear power plant voltage stabilizer is one high more than 10 meters of cylindrical container, respectively mutually weld with a hemispherical head up and down and
At.The voltage-stablizer is used to adjust the pressure of one loop of nuclear power station system, is the level-one core component of nuclear power station；According to nuclear power station phase
Close the requirement for checking specification, it is necessary to which butt tube weld seam is regularly checked, to guarantee the sealing state of weld seam to anti-stopping leak
Dew.Between weld seam and lower head and cylinder and lower head and Surge line piping between upper cover and cylinder and upper cover and adapter tube
Weld seam is required to inspect periodically, however since voltage-stablizer is huger, in inservice inspection, internal dose is larger, and people can not
The installation of radiographic source is carried out in into voltage-stablizer, i.e., directly radiographic source can not be arranged in voltage-stablizer, therefore, it is necessary to by outer
Radiographic source is accurately arranged into voltage-stablizer portion's tool；It is directed to the nuclear power station of CPR heap-type and EPR heap-type in the prior art, has
Corresponding voltage-stablizer detection device, but for the imperial No.1 heap-type nuclear power plant voltage stabilizer weld seam of novel China of Zhong Guang core group
There has been no relevant device, the manhole setting of its voltage-stablizer of China's dragon No.1 heap-type nuclear power station and voltage-stablizer inside tools for ray inspection arrangement
Body structure setting is different from the voltage-stablizer of the nuclear power station of CPR heap-type and EPR heap-type, it is therefore desirable to which correspondence is designed for the heap
The welding seam ray detection device of type nuclear power plant voltage stabilizer.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of nuclear power plant voltage stabilizer ray
Check device.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:
A kind of nuclear power plant voltage stabilizer ray inspection arrangement, voltage-stablizer include cylinder, the upper cover for being welded on cylinder top, are welded on
The lower head of cylinder lower part, the adapter tube being welded on upper cover, the Surge line piping being welded on lower head, the manhole of voltage-stablizer are set to
The upper side of cylinder, the axial line of manhole and the perpendicular setting of the axial line of cylinder, ray inspection arrangement include having above to penetrate
The first check device for detecting the weld seam between upper cover and cylinder and upper cover and adapter tube of line source has lower radiographic source
For detecting the second check device of weld seam between lower head and cylinder and lower head and Surge line piping；Second check device packet
Including the supporting mechanism for docking and capable of being inserted into from manhole in the horizontal direction with manhole, riding upon is on supporting mechanism and can be
Positioning mechanism that vertical direction is skidded off from supporting mechanism passes through the draw-off mechanism that wirerope pulls positioning mechanism, positioning mechanism
Including center-pole, the first positioning device and the second positioning device that are positioned to center-pole, lower radiographic source is set to center-pole
Lower end.
Preferably, supporting mechanism include the fixing seat for being fixedly connected on manhole lateral surface, the peace that is fixedly connected with fixing seat
The receiving cartridge of seat, the setting not only slided but also rotated relative to mounting base is filled, positioning mechanism can be housed in receiving cartridge, and being capable of edge
Vertical direction is skidded off from receiving cartridge, and when supporting mechanism and voltage-stablizer manhole abutting joint finish, mounting base is prolonged in the horizontal direction
Setting is stretched, receiving cartridge is 90 degree with respect to the maximum rotation angle of mounting base.
Preferably, supporting mechanism further includes the driving mechanism for driving receiving cartridge sliding and rotation, and driving mechanism includes around certainly
The lead screw of body axis rotation being arranged in mounting base, the drive sleeve for being socketed in lead screw periphery and cooperating with threads of lead screw, sliding
The slide assemblies being connected in mounting base, with drive sleeve rotation connection linking arm, receiving cartridge respectively with slide assemblies and company
Connect arm rotation connection.Two positions of receiving cartridge on it are rotatablely connected with slide assemblies and linking arm respectively.
Preferably, mounting base is plate-shaped member, and mounting base has first segment and a second segment in its length direction, first segment with
Fixing seat is fixedly connected, and the two sides of second segment are provided with slide bar, and slide bar is extended along the length direction of second segment, slide assemblies
The setting of sliding is on slide bar.When expansion, lead screw rotation, then drive sleeve is moved along lead screw, and drive sleeve is driven by linking arm and received
Volumetric cylinder movement (receiving cartridge slides realization movement by slide assemblies on slide bar), the distal end that slide assemblies slide into slide bar cannot
When continuing sliding, screw rod is continued to rotate, then linking arm will push receiving cartridge rotation, until receiving cartridge is turned to vertical direction
On.
Preferably, driving mechanism further include the first gear being fixedly connected on the one end of the separate receiving cartridge of lead screw,
The second gear for being connected in fixing seat and being engaged with first gear of rotation, be fixed in second gear for manpower
The lever for holding and second gear being driven to rotate.Manpower catches lever, rotates second gear, then second gear will drive the first tooth
Wheel rotation, and then drive lead screw rotation.
Preferably, the first positioning device includes being spaced and being fixedly connected in above-below direction the first ring seat on center-pole
With the second ring seat, more guide rods being rotatably connected on the first ring seat circumferential direction, it is rotatably connected in the second ring seat and contradicts respectively
The driving assembly of multiple driving guide rods rotation between multiple guide rods and the second ring seat, driving assembly include opposite sliding
The first bar and the second bar being arranged, the second bar is hollow stem, and the second bar bottom connects nitrogen gas spring, and the one end of the first bar is sliding
It is dynamic be plugged in the second bar and with the inconsistent connection of nitrogen gas spring.Nitrogen gas spring, elastic force is big, and stroke controllability is strong, work
Steadily, and the use of long term frequent is not in the case where elastic force reduces, and the free end of more guide rods is provided with idler wheel, and more
After guide rod expansion, center-pole can be located on the axial line of cylinder, idler wheel can roll on the cylinder inboard wall of voltage-stablizer
It is dynamic, consequently facilitating more guide rod slide downwards, position in above-below direction convenient for the second positioning device.
Preferably, the second positioning device includes the third ring seat for being fixedly connected on center-pole bottom, is located in third ring seat
The 4th ring seat on the centrally disposed bar of side and sliding is rotatably connected on multiple support arms of third ring seat circumferential direction, drawing machine
The one end of the wirerope of structure is connect with the 4th ring seat, the 4th ring seat it is circumferentially fixed be connected with more respectively with multiple support arms
The connecting rope of connection, multiple support arms have rounding state and unfolded state, multiple when multiple support arms are in rounding state
Support arm can be housed in receiving cartridge, and when multiple support arms are in unfolded state, multiple support arms can be set up and determine
Position is on the partition inside voltage-stablizer.
Preferably, the downside of multiple support arms is respectively arranged with locating piece, and support arm is removably arranged in locating piece
On, the rangefinder for measuring partition inner peripheral surface to linear distance between locating piece is provided on each locating piece.
Preferably, the first check device include for manhole abutting joint ring flange, be fixedly connected on ring flange
Catheter tray, across catheter tray setting and the bend pipe being fixedly connected with catheter tray, the zoom for being fixed at bend pipe distal end inner circumferential
Casing, the fixing pipe for being set to zoom casing inner circumferential and being used for fixed upper radiographic source slided.
Preferably, after docking completion installation with manhole when the first check device, the upper radiographic source being fixed in fixing pipe has
Promising the first detection position being located above and the second detection position below the first detection position, the first check device is also
It is arranged and including passing through bend pipe for driving fixing pipe to move and then upper radiographic source being driven to move to the first detection position and second
Detect the upper defeated source capsule of position.
Due to the implementation of above technical scheme, the invention has the following advantages over the prior art:
The first check device in nuclear power plant voltage stabilizer ray inspection arrangement of the invention after the installation is completed, being equipped with thereon
The fixing pipe of radiographic source can be slided in the up-down direction, detect from driving upper radiographic source to move to the first detection position and second
Position, and then the weld seam between the weld seam and upper cover and adapter tube between upper cover and cylinder is detected respectively, the first inspection
It looks into device and need to only install once and above-mentioned detection can be completed, so that working efficiency greatly improves.Second check device structure is set
Meter is exquisite, can guarantee that supporting mechanism and positioning mechanism can smoothly enter inside voltage-stablizer from manhole, and supports machine
Structure can guarantee that positioning mechanism smoothly turns over and turn 90 degrees, and smoothly release from receiving cartridge, which has positioning accuracy height, transmission
The features such as steady, not only can guarantee its reliability also and can effectively prevent equipment to the damage inside voltage-stablizer.And be easily installed and
Adjustment, installation personnel are easy learning and mastering erection skill, greatly reduce the set-up time, reduce the quantity of installation personnel.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the first check device of the invention；
Fig. 2 is the schematic perspective view of supporting mechanism of the invention；
Fig. 3 is the schematic perspective view of positioning mechanism of the invention；
Wherein: 11, ring flange；12, catheter tray；13, bend pipe；14, fixing pipe；100, upper radiographic source；
2, supporting mechanism；20, lead screw；21, fixing seat；221, first segment；222, second segment；23, drive sleeve；24, slide assemblies；
25, linking arm；26, receiving cartridge；27, slide bar；201, first gear；202, second gear；203, lever；3, positioning mechanism；30,
Center-pole；31, the first ring seat；32, the second ring seat；33, third ring seat；34, the 4th ring seat；35, guide rod；350, idler wheel；36,
Support arm；371, the first bar；372, the second bar；4, lower radiographic source；5, connecting rope.
Specific embodiment
The present invention will be further described in detail with specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of nuclear power plant voltage stabilizer ray inspection arrangement, voltage-stablizer include cylinder, are welded on
The upper cover on cylinder top, the adapter tube being welded on upper cover, is welded on lower head the lower head for being welded on cylinder lower part
Surge line piping, the manhole of voltage-stablizer are set to the upper side of cylinder, the axial line of manhole and the perpendicular setting of the axial line of cylinder, penetrate
Ray detection device include have upper radiographic source 100 for detecting weld seam between upper cover and cylinder and upper cover and adapter tube
First check device, with lower radiographic source 4 for detecting weld seam between lower head and cylinder and lower head and Surge line piping
Second check device；
Specifically, the first check device include for manhole abutting joint ring flange 11, be fixedly connected on ring flange 11
Catheter tray 12, be arranged across catheter tray 12 and be fixedly connected with catheter tray 12 bend pipe 13, be fixed at the distal end of bend pipe 13
The zoom casing (being not shown in the figure, be located inside bend pipe 13) of inner circumferential, the zoom casing inner circumferential that is set to of sliding are penetrated on fixed
The fixing pipe 14 of line source 100.After the first check device docks with manhole completion installation, the upper ray that is fixed in fixing pipe 14
Source 100 has the first detection position to be located above and the second detection position below the first detection position, the first inspection
Looking into device further includes being arranged across bend pipe 13 and for driving fixing pipe 14 to move and then upper radiographic source 100 being driven to move to first
The upper defeated source capsule of detection position and the second detection position (is not shown in the figure, upper defeated source capsule is soft pipe, from the close of bend pipe 13
One end of ring flange 11 penetrates in bend pipe 13, pushes defeated source capsule on this that fixing pipe 14 can be pushed to move).First check device peace
After dress, the fixing pipe 14 for being equipped with radiographic source 100 thereon can be slided in the up-down direction, to drive upper ray
Source 100 move to the first detection position and second detection position, and then respectively between upper cover and cylinder weld seam and upper envelope
Weld seam between head and adapter tube is detected, and the first check device, which need to only be installed once, can be completed above-mentioned detection, so that work
It is greatly improved as efficiency.
In addition, the second check device include docked with manhole and can in the horizontal direction from manhole be inserted into supporting mechanism 2,
To ride upon be positioning mechanism 3 that is on supporting mechanism 2 and can skidding off from supporting mechanism 2 in vertical direction, passes through wirerope
(not shown) pulls the draw-off mechanism (draw-off mechanism is not shown in the figure) of positioning mechanism 3, and positioning mechanism 3 includes center-pole
30, the first positioning device and the second positioning device positioned to center-pole 30, lower radiographic source 4 are set to the lower end of center-pole 30
Portion.
The supporting mechanism 2 of second check device includes the fixing seat 21 for being fixedly connected on manhole lateral surface and fixing seat 21
The receiving cartridge 26 of the mounting base, the setting not only slided but also rotated relative to mounting base that are fixedly connected, positioning mechanism 3 can be housed in
It in volumetric cylinder 26, and can be skidded off from receiving cartridge 26 along the vertical direction, when supporting mechanism 2 and voltage-stablizer manhole abutting joint are complete
Finish, the horizontally extending setting of mounting base, receiving cartridge 26 is 90 degree with respect to the maximum rotation angle of mounting base.The supporting mechanism
2 further include the driving mechanism for driving receiving cartridge 26 sliding and rotation, and driving mechanism includes pacifying around the setting that Pivot Point Center rotates
Dress seat on lead screw 20, be socketed in 20 periphery of lead screw and be threadedly engaged with lead screw 20 drive sleeve 23, sliding be connected to installation
Slide assemblies 24 on seat, the linking arm 25 being rotatablely connected with drive sleeve 23, receiving cartridge 26 respectively with slide assemblies 24 and connect
Arm 25 is rotatablely connected.Two positions of receiving cartridge 26 on it are rotatablely connected with slide assemblies 24 and linking arm 25 respectively.This example
In, mounting base is plate-shaped member, and mounting base has first segment 221 and a second segment 222 in its length direction, first segment 221 and solid
Reservation 21 is fixedly connected, and the two sides of second segment 222 are provided with slide bar 27, and slide bar 27 is set along the length direction extension of second segment 222
It sets, the setting that slide assemblies 24 slide is on slide bar 27.When expansion, lead screw 20 is rotated, then drive sleeve 23 is moved along lead screw 20, is passed
By the movement of the drive receiving cartridge 26 of linking arm 25, (receiving cartridge 26 slides realization fortune by slide assemblies 24 to dynamic set 23 on slide bar 27
It is dynamic), when the distal end that slide assemblies 24 slide into slide bar 27 cannot continue sliding, screw rod is continued to rotate, then linking arm 25 will push
Receiving cartridge 26 rotates, until receiving cartridge 26 is turned on vertical direction.The specific driving mechanism further includes being fixedly connected on
First gear 201 on the one end of the separate receiving cartridge 26 of lead screw 20, rotation be connected in fixing seat 21 and with the first tooth
Second gear 202 that wheel 201 is engaged is fixed on holding and driving second gear 202 for manpower in second gear 202
The lever 203 of rotation.Manpower catches lever 203, rotates second gear 202, then second gear 202 will drive first gear 201
Rotation, and then lead screw 20 is driven to rotate.The outer diameter of second gear 202 is greater than the outer diameter of first gear 201.
First positioning device of the second check device includes being spaced and being fixedly connected on center-pole 30 in above-below direction
The first ring seat 31 and the second ring seat 32, be rotatably connected on more circumferential guide rod 35(guide rods 35 of the first ring seat 31 from
Idler wheel 350 is arranged by end, when guide rod 35 moves downward in voltage-stablizer after being unfolded, idler wheel 350 rolls on the inner wall of voltage-stablizer
Dynamic, consequently facilitating entire positioning mechanism 3 declines), be rotatably connected in the second ring seat 32 and contradicted respectively in multiple guide rods 35
The driving assembly of multiple driving guide rods 35 rotation between the second ring seat 32, driving assembly include the of opposite sliding setting
One bar 371 and the second bar 372, the second bar 372 is hollow stem, and (nitrogen gas spring is located at 372 bottom of the second bar connection nitrogen gas spring
In the cavity of second bar 372, fail to show in figure), the sliding of the one end of the first bar 371 be plugged in the second bar 372 and with
The inconsistent connection of nitrogen gas spring.Nitrogen gas spring, elastic force is big, and stroke controllability is strong, stable working, and the use of long term frequent is not
Will appear the case where elastic force reduces, the free end of more guide rods 35 is provided with idler wheel 350, after more guide rods 35 are unfolded, energy
Enough that center-pole 30 is located on the axial line of cylinder, idler wheel 350 can roll on the cylinder inboard wall of voltage-stablizer, consequently facilitating
More 35 slide downwards of guide rod, position in above-below direction convenient for the second positioning device.
Second check device the second positioning device (second positioning device in above-below direction and it is circumferential positioned,
So that lower radiographic source 4 to be positioned to the position of needs) include the third ring seat 33 for being fixedly connected on 30 bottom of center-pole, be located at the
The top of three ring seat 33 and the 4th ring seat 34 on the centrally disposed bar 30 of sliding are rotatably connected on circumferential more of third ring seat 33
A support arm 36, the one end of the wirerope of draw-off mechanism are connect with the 4th ring seat 34, the circumferentially fixed connection of the 4th ring seat 34
There are the more connecting ropes 5 connecting respectively with multiple support arms 36, multiple support arms 36 have rounding state and unfolded state, when more
When a support arm 36 is in rounding state, multiple support arms 36 can be housed in receiving cartridge 26, at multiple support arms 36
When unfolded state, multiple support arms 36 can be set up and on the partition that is located in inside voltage-stablizer.Positioning mechanism 3 is housed in
When in volumetric cylinder 26, the 4th ring seat 34 is located at close to the side of third ring seat 33, when positioning mechanism 3 is fallen from receiving cartridge 26, the
More guide rods 35 in one positioning device are unfolded under the action of nitrogen gas spring, and draw-off mechanism continues to discharge wirerope (steel wire
The other end of rope is to be fixedly connected), positioning mechanism 3 continues to fall, at this point, the 4th ring seat 34 is understood along 30 upward sliding of center-pole,
And the side far from third ring seat 33 is moved to, and then connecting rope 5 will drive multiple rotations of support arm 36 and be expanded to unfolded state.
The downside of multiple support arms 36 is respectively arranged with locating piece, and locating piece is removably arranged on support arm 36, each locating piece
On be provided with rangefinder for measuring partition inner peripheral surface to linear distance between locating piece.Detect apart from it is inclined when,
It needs to collapse positioning mechanism 3, and is taken out from manhole, manually adjust distance of the locating piece on support arm 36, so as to
Lower radiographic source 4 can be accurately located at voltage-stablizer center by the second positioning device.
In conclusion the first check device in nuclear power plant voltage stabilizer ray inspection arrangement of the invention is after the installation is completed,
The fixing pipe for being equipped with radiographic source thereon can be slided in the up-down direction, move to the first detection from the upper radiographic source of drive
Position and second detection position, and then respectively to the weld seam between the weld seam and upper cover and adapter tube between upper cover and cylinder into
Row detection, the first check device, which need to only be installed once, can be completed above-mentioned detection, so that working efficiency greatly improves.Second inspection
Apparatus structure deft design is looked into, has the characteristics that positioning accuracy is high, transmission is steady, not only can guarantee that its reliability can also effectively prevent
Only equipment is to the damage inside voltage-stablizer.And be easily installed and adjust, installation personnel is easy learning and mastering erection skill, greatly
Reduce the set-up time, reduces the quantity of installation personnel.Nuclear power plant voltage stabilizer ray inspection arrangement of the invention, meets Hua Long
No.1 heap-type nuclear power plant voltage stabilizer radioscopy demand；It is accurately fixed that magnificent dragon No.1 heap-type voltage-stablizer radioscopy radiographic source carries out
Position；Dragon No.1 voltage-stablizer to China carries out panoramic exposure and improves detection efficiency.
The present invention is described in detail above, its object is to allow the personage for being familiar with this field technology that can understand this
The content of invention is simultaneously implemented, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes according to the present invention
The equivalent change or modification of work, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of nuclear power plant voltage stabilizer ray inspection arrangement, the voltage-stablizer includes cylinder, is welded on the upper of the cylinder top
End socket, the adapter tube being welded on the upper cover, is welded on the lower head lower head for being welded on the cylinder lower part
Surge line piping, the manhole of the voltage-stablizer are set to the upper side of the cylinder, the axis of the axial line of the manhole and the cylinder
The perpendicular setting of heart line, it is characterised in that:
The ray inspection arrangement include have upper radiographic source for detect the upper cover and cylinder and the upper cover with
First check device of the weld seam between adapter tube is used to detect the lower head and cylinder and the lower envelope with lower radiographic source
Second check device of the weld seam between head and Surge line piping；Second check device includes docking with the manhole and being capable of edge
Supporting mechanism that horizontal direction is inserted into from the manhole, to ride upon be on supporting mechanism and can be in vertical direction from the branch
The positioning mechanism that skids off in support mechanism, the draw-off mechanism that the positioning mechanism is pulled by wirerope, the positioning mechanism include
Center-pole, the first positioning device and the second positioning device positioned to the center-pole, the lower radiographic source are set to described
The lower end of center-pole.
2. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 1, it is characterised in that: the supporting mechanism includes
The fixing seat for being fixedly connected on the manhole lateral surface, the mounting base being fixedly connected with the fixing seat, the relatively described mounting base
Not only the receiving cartridge for the setting slided but also rotated, the positioning mechanism can be housed in the receiving cartridge, and can be along vertical side
It is skidded off to from the receiving cartridge, when the supporting mechanism and the voltage-stablizer manhole abutting joint finish, the mounting base edge
Horizontal direction is extended, and the maximum rotation angle of the relatively described mounting base of the receiving cartridge is 90 degree.
3. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 2, it is characterised in that: the supporting mechanism also wraps
The driving mechanism for driving the receiving cartridge sliding and rotation is included, the driving mechanism includes the setting around Pivot Point Center rotation in institute
State the lead screw in mounting base, be socketed in the lead screw periphery and with the threads of lead screw cooperation drive sleeve, sliding be connected to
Slide assemblies in the mounting base, the linking arm with drive sleeve rotation connection, the receiving cartridge respectively with the sliding
Component and linking arm rotation connection.
4. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 3, it is characterised in that: the mounting base is plate
Component, the mounting base have first segment and second segment in its length direction, and the first segment is fixedly connected with the fixing seat,
The two sides of the second segment are provided with slide bar, and the slide bar is extended along the length direction of the second segment, the Slide Group
The setting of part sliding is on the slide bar.
5. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 3, it is characterised in that: the driving mechanism is also wrapped
Include the first gear, rotation being fixedly connected on the one end of the separate receiving cartridge of the lead screw is connected to the fixation
The second gear being engaged on seat and with the first gear, the manpower that is used for being fixed in the second gear hold simultaneously band
Move the lever of the second gear rotation.
6. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 1, it is characterised in that: first positioning device
Including the first ring seat being spaced and be fixedly connected in above-below direction on the center-pole and the second ring seat, it is rotatably connected on institute
More guide rods of the first ring seat circumferential direction are stated, is rotatably connected in second ring seat and is contradicted respectively in multiple guide rods
The driving assembly of multiple drivings guide rod rotation between second ring seat, the driving component includes opposite sliding
The first bar and the second bar being arranged, second bar is hollow stem, and the second bar bottom connects nitrogen gas spring, one end of the first bar
Portion's sliding be plugged in second bar and with the inconsistent connection of the nitrogen gas spring.
7. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 1, it is characterised in that: second positioning device
Including being fixedly connected on the third ring seat of the center-pole bottom, above the third ring seat and sliding setting described
The 4th ring seat on center-pole, the multiple support arms for being rotatably connected on the third ring seat circumferential direction, the steel wire of the draw-off mechanism
The one end of rope is connect with the 4th ring seat, the 4th ring seat it is circumferentially fixed be connected with more respectively with multiple branch
The connecting rope of brace connection, multiple support arms have rounding state and unfolded state, receive when multiple support arms are in
When holding together state, multiple support arms can be housed in the receiving cartridge, when multiple support arms are in unfolded state
When, multiple support arms can be set up and be located on the partition inside the voltage-stablizer.
8. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 7, it is characterised in that: multiple support arms
Downside is respectively arranged with locating piece, and the locating piece is removably arranged on the support arm, on each locating piece
It is provided with the rangefinder for measuring the partition inner peripheral surface to linear distance between the locating piece.
9. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 1, it is characterised in that: first check device
Including for the manhole abutting joint ring flange, be fixedly connected on the ring flange catheter tray, lead across described
Pipe dish setting and the bend pipe being fixedly connected with the catheter tray, the zoom casing for being fixed at bend pipe distal end inner circumferential, cunning
Dynamic is set to fixing pipe of the zoom casing inner circumferential for fixed upper radiographic source.
10. nuclear power plant voltage stabilizer ray inspection arrangement according to claim 9, it is characterised in that: when first inspection
After device docks completion installation with the manhole, the upper radiographic source being fixed in the fixing pipe, which has, to be located above
First detection position and the second detection position below first detection position, the first check device further includes across institute
State bend pipe setting and for driving the fixing pipe to move and then the upper radiographic source being driven to move to first detection position
With the upper defeated source capsule of the second detection position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128898.5A CN109273117A (en) | 2018-09-27 | 2018-09-27 | A kind of nuclear power plant voltage stabilizer ray inspection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128898.5A CN109273117A (en) | 2018-09-27 | 2018-09-27 | A kind of nuclear power plant voltage stabilizer ray inspection arrangement |
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| CN109273117A true CN109273117A (en) | 2019-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823189A (en) * | 2019-11-12 | 2020-02-21 | 中广核检测技术有限公司 | Nuclear power station voltage stabilizer CCTV video inspection device |
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| GB1118521A (en) * | 1965-03-10 | 1968-07-03 | Italsider Spa | Method and apparatus for ultrasonic inspection of welds |
| CN101770823A (en) * | 2010-01-22 | 2010-07-07 | 中广核检测技术有限公司 | Welding line X-ray inspection device between lower seal head of voltage stabilizer and surge nozzle in nuclear power station |
| CN201886791U (en) * | 2010-12-02 | 2011-06-29 | 核动力运行研究所 | Special positioning tool for welding seam radiological examination of sealed end connecting pipe arranged on nuclear power station voltage stabilizer |
| CN102436857A (en) * | 2011-10-25 | 2012-05-02 | 中广核检测技术有限公司 | Ray inspection device of voltage stabilizer of European pressurized water reactor (EPR) type nuclear power plant |
| KR101334629B1 (en) * | 2013-08-08 | 2013-11-29 | 세안기술 주식회사 | A camera head assembly of eddy current inspection test apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1118521A (en) * | 1965-03-10 | 1968-07-03 | Italsider Spa | Method and apparatus for ultrasonic inspection of welds |
| CN101770823A (en) * | 2010-01-22 | 2010-07-07 | 中广核检测技术有限公司 | Welding line X-ray inspection device between lower seal head of voltage stabilizer and surge nozzle in nuclear power station |
| CN201886791U (en) * | 2010-12-02 | 2011-06-29 | 核动力运行研究所 | Special positioning tool for welding seam radiological examination of sealed end connecting pipe arranged on nuclear power station voltage stabilizer |
| CN102436857A (en) * | 2011-10-25 | 2012-05-02 | 中广核检测技术有限公司 | Ray inspection device of voltage stabilizer of European pressurized water reactor (EPR) type nuclear power plant |
| KR101334629B1 (en) * | 2013-08-08 | 2013-11-29 | 세안기술 주식회사 | A camera head assembly of eddy current inspection test apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110823189A (en) * | 2019-11-12 | 2020-02-21 | 中广核检测技术有限公司 | Nuclear power station voltage stabilizer CCTV video inspection device |
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Application publication date: 20190125 |