CN208505858U - A kind of control rod drive mechanism remote auto penetrating inspection device - Google Patents
A kind of control rod drive mechanism remote auto penetrating inspection device Download PDFInfo
- Publication number
- CN208505858U CN208505858U CN201820782127.7U CN201820782127U CN208505858U CN 208505858 U CN208505858 U CN 208505858U CN 201820782127 U CN201820782127 U CN 201820782127U CN 208505858 U CN208505858 U CN 208505858U
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- turntable
- drive mechanism
- control rod
- rod drive
- bleeding agent
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model relates to nuclear power station technical field of nondestructive testing, specifically disclose a kind of control rod drive mechanism remote auto penetrating inspection device.Core positioning sleeve is cylindrical tube structure in the device, and inner wall upper end has step structure, makes core positioning sleeve positioning sleeve at the maximum gauge of control rod drive mechanism；Turntable is mounted on core positioning sleeve by bearing A, and great-leap-forward sealing structure is mounted on the outside of turntable by bearing B, and the circumferential operation driving mechanism by installing on turntable drives turntable to rotate along core positioning sleeve；It is equipped with bleeding agent on turntable and applies deposited module and monitoring camera and lighting module, deposited operation can be applied to the lower omega welding seam of control rod drive mechanism progress bleeding agent by applying deposited module by bleeding agent.A kind of control rod drive mechanism remote auto described in the utility model is impregnated with verifying attachment, can lead to bleeding agent and apply the non-destructive testing function that deposited module carries out remote liquid infiltration to control rod drive mechanism lower omega welding seam.
Description
Technical field
The invention belongs to nuclear power station technical field of nondestructive testing, and in particular to a kind of control rod drive mechanism remote auto infiltration
Saturating verifying attachment.
Background technique
The structure of reactor pressure vessel control rod drive mechanism lower part Ω seal-weld (referred to as: lower omega welding seam) belongs to
Stainless-steel thin-wall pipe.Lower omega welding seam is in the lower part CRDM, and the top distance CRDM is more than 5 meters, and the densely covered CRDM of surrounding, and lower part is
Top cover of reactor pressure vessel is only capable of installing automatic detection system at the top of CRDM.There is a diameter above lower omega welding seam
Biggish position, verifying attachment allow for that check position can be arrived at across this section.Due to the special construction of this weld seam, outside
Circular diameter is small, wall thickness is very thin, shape is to have a driving mechanism among round and weld seam, makes to check that spatial position is narrow.Due to Ω
The limitation of position while welding, and the requirement of penetrating inspection technology can only automaticly inspect it using special equipment at present.
Summary of the invention
The purpose of the present invention is to provide a kind of control rod drive mechanism remote auto penetrating inspection devices, can be used for nuclear power
The penetration inspection of control rod drive mechanism of standing and thermocouple lower part Ω sealing welding.
Technical scheme is as follows: a kind of control rod drive mechanism remote auto is impregnated with verifying attachment, the device packet
It includes core positioning sleeve, turntable, infiltration and applies module and circumferential operation driving mechanism, wherein core positioning sleeve is cylindrical tube
Structure, inner wall upper end have step structure, make core positioning sleeve positioning sleeve at the maximum gauge of control rod drive mechanism；Turn
Disk is mounted on core positioning sleeve by bearing A, and great-leap-forward sealing structure is mounted on the outside of turntable by bearing B, and passes through
The circumferential operation driving mechanism driving turntable installed on turntable is rotated along core positioning sleeve；On turntable be equipped with bleeding agent apply it is deposited
Module and monitoring camera and lighting module, applying deposited module by bleeding agent can be to the lower omega welding seam of control rod drive mechanism
It carries out bleeding agent and applies deposited operation.
The circumferential operation driving mechanism includes circumferential operation driving motor component, ring gear and pinion gear, wherein
Circumferential operation driving motor component is mounted on turntable, and the pinion gear that is connected of circumferential operation driving motor component output end with
It is fixed on the ring gear engagement of great-leap-forward sealing structure, by the circumferential driving motor Component driver pinion gear that runs relative to internal tooth
Circle rotation, so that turntable be made to circumferentially rotate around core positioning sleeve.
It includes that bleeding agent smears block, support plate, shaft and cylinder that the bleeding agent, which applies deposited module, and support plate is by turning
Axis is fixedly mounted on turntable, and support plate upper end is connected with the cylinder for being fixed on turntable upper end, and support plate lower end surface is set
Bleeding agent smears block, support plate can be driven inwardly to swing by cylinder, and bleeding agent is smeared block pressing on lower omega welding seam；Together
When, cylinder can drive support plate to swing out, and bleeding agent is smeared block and is detached from lower omega welding seam, and concedes control rod drive mechanism
Maximum gauge section, facilitate the assembly and disassembly of device
It is flexible foam shape porous material that the bleeding agent, which smears block, can be with adsorption and permeation agent.
Cleaning module and irradiation modules are additionally provided on the turntable bottom surface, wherein cleaning module passes through cleaning base plate
It is mounted on turntable, and several washer jets is installed on cleaning base plate, be used for cleaning agent jet cleaning；Irradiation modules and clear
Mold cleaning block structure is similar, is mounted on turntable by dry substrate, and several dry nozzles are disposed on dry substrate
For compressed air or drying by hot air jet.
It is additionally provided with installation check camera and lighting module on the turntable bottom surface, and is imaged in the installation check
It is equipped with partition around head and lighting module, places bleeding agent and cleaning agent splashing pollutes it.
The great-leap-forward sealing structure is connected with cage type lifting frame, to be checked for whole equipment to be lifted into
In control rod drive mechanism, wherein cage type lifting frame includes connecting rod, connecting plate and hanging ring, wherein if vertical distribution
Dry root connecting rod and several connecting plates are fixedly connected to form rigid frame structure, and are arranged at the top of cage type lifting frame
There is hanging ring, connecting rod is connected with great-leap-forward sealing structure, realizes the lifting operation to whole equipment.
Remarkable result of the invention is: a kind of control rod drive mechanism remote auto of the present invention is impregnated with inspection dress
It sets, bleeding agent can be led to and apply the non-destructive testing that deposited module carries out remote liquid infiltration to control rod drive mechanism lower omega welding seam
Function.
Detailed description of the invention
Fig. 1 is that a kind of control rod drive mechanism remote auto of the present invention is impregnated with verifying attachment structural schematic diagram；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 is that a kind of control rod drive mechanism remote auto of the present invention is impregnated with verifying attachment partial sectional view；
Fig. 4 is another status diagram of Fig. 3；
Fig. 5 is that a kind of control rod drive mechanism remote auto of the present invention is impregnated with verifying attachment cross-sectional view；
Fig. 6 is the schematic diagram of another angle of Fig. 5；
Fig. 7 is that a kind of control rod drive mechanism remote auto of the present invention is impregnated with the signal of verifying attachment installation condition
Figure；
Fig. 8 is the bottom view of Fig. 7；
In figure: 1, control rod drive mechanism；2, lower omega welding seam；3, turntable；4, cleaning module；5, camera and photograph are checked
Bright module；6, bleeding agent applies deposited module；7, irradiation modules；8, camera and lighting module are monitored；9, partition；10, bleeding agent applies
Smear block；11, support plate；12, shaft；13, cylinder；14, cleaning base plate；15, washer jet；16, core positioning sleeve；17, bearing
A；18, bearing B；19, great-leap-forward sealing structure；20, ring gear；21, circumferential operation driving motor component；22, pinion gear；23,
Connecting rod；24, connecting plate；25, hanging ring；26, cage type lifting frame.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Fig. 1~8, a kind of control rod drive mechanism remote auto is impregnated with verifying attachment, including core positioning sleeve 16,
Turntable 3, infiltration apply module 6, circumferential operation driving mechanism, wherein and core positioning sleeve 16 is generally cylindrical tube structure,
Inner wall upper end has step structure, cover core positioning sleeve 16 can at the maximum gauge section of control rod drive mechanism 1, and lead to
The matching of inner wall step Yu 1 maximum gauge section upper surface of control rod drive mechanism is crossed, realizes that core positioning sleeve 16 drives in control rod
The axially position of motivation structure 1；The turntable 3 of circular ring structure is mounted on 16 lower end outer wall of core positioning sleeve by bearing A17, makes to turn
Disk 3 and the equipment installed thereon are rotated along core positioning sleeve 16；Great-leap-forward for sealing 1 lower part of control rod drive mechanism is close
Seal structure 19 is mounted on the outside of turntable 3, and the circumferential operation driving mechanism by installing on turntable 3, driving by bearing B18
Turntable 3 is along 19 circumferential movement of core positioning sleeve 16 and great-leap-forward sealing structure, wherein circumferential operation driving mechanism includes circumferential
Driving motor component 21, ring gear 20 and pinion gear 22 are run, the circumferential driving motor component 21 that runs is mounted on turntable 3,
And the circumferential pinion gear 22 that 21 output end of driving motor component is connected and the internal tooth for being fixed on great-leap-forward sealing structure 19 of running
Circle engagement is run 21 driving pinion 22 of driving motor component and is rotated relative to ring gear 20 by circumferential, thus make turntable 3 around
Core positioning sleeve 16 circumferentially rotate；Cleaning module 4 is also installed along 3 annular bottom surface of turntable, checks camera and lighting module
5, bleeding agent applies deposited module 6, irradiation modules 7 and monitoring camera and lighting module 5, wherein bleeding agent applies deposited module 6 and includes
Bleeding agent smears block 10, support plate 11, shaft 12 and cylinder 13, and support plate 11 is fixedly mounted on turntable 3 by shaft 12,
And 11 upper end of support plate is connected with the cylinder 13 for being fixed on 3 upper end of turntable, 11 lower end surface of support plate is equipped with flexible foam
The bleeding agent of shape porous material smears block 10, support plate 11 can be driven inwardly to swing by cylinder 13, bleeding agent is smeared block 10
Pressing smears the bleeding agent that adsorbs in block 10 uniform the using bleeding agent and is applied to lower omega welding seam 2 on lower omega welding seam 2
On；Meanwhile cylinder 13 can drive support plate 11 to swing out, and bleeding agent is smeared block 10 and is detached from lower omega welding seam, and concedes control
The maximum gauge section of rod drive mechanism 1 processed, facilitates the assembly and disassembly of device；Cleaning module 4 is mounted on turntable 3 by cleaning base plate 14
On, and several washer jets 15 are installed on cleaning base plate 14, it is used for cleaning agent jet cleaning；Irradiation modules 7 and cleaning mould
4 structure of block is similar, is mounted on turntable 3 by dry substrate, and several dry nozzles use is disposed on dry substrate
In compressed air or drying by hot air jet；Partition is installed on the turntable 3 around installation check camera and lighting module 5
9, it will check that camera and lighting module 5 separate, when preventing other modules from working, the splashing such as bleeding agent, cleaning agent makes it
At pollution；Great-leap-forward sealing structure 19 is connected with cage type lifting frame 26, for whole equipment to be lifted into control to be checked
On rod drive mechanism 1 processed, wherein cage type lifting frame 26 includes connecting rod 23, connecting plate 24 and hanging ring 25, wherein vertical
Several connecting rods 23 of distribution and several connecting plates 24 are fixedly connected to form rigid frame structure, and in cage type hoisting frame
The top of frame 26 is provided with hanging ring 25, and connecting rod 23 is connected with great-leap-forward sealing structure 19, realizes the lifting to whole equipment
Operation.
Claims (7)
1. a kind of control rod drive mechanism remote auto penetrating inspection device, it is characterised in that: the device includes core positioning sleeve
(16), turntable (3), bleeding agent apply deposited module (6) and circumferential operation driving mechanism, wherein core positioning sleeve (16) is cylinder
Tube structure, inner wall upper end have step structure, make core positioning sleeve (16) positioning sleeve control rod drive mechanism (1) most
At major diameter；Turntable (3) is mounted on core positioning sleeve (16) by bearing A (17), and great-leap-forward sealing structure (19) passes through axis
The outside that B (18) is mounted on turntable (3) is held, and the circumferential operation driving mechanism by installing on turntable (3) drives turntable (3) edge
Core positioning sleeve (16) rotation；It is equipped with bleeding agent on turntable (3) and applies deposited module (6) and monitoring camera and lighting module
(8), deposited operation can be applied to the lower omega welding seam of control rod drive mechanism (1) progress bleeding agent by applying deposited module (6) by bleeding agent.
2. a kind of control rod drive mechanism remote auto penetrating inspection device according to claim 1, it is characterised in that: institute
The circumferential operation driving mechanism stated includes circumferentially running driving motor component (21), ring gear (20) and pinion gear (22),
In, circumferential run driving motor component (21) are mounted on turntable (3), and circumferential operation driving motor component (21) output end phase
The pinion gear (22) of connection is engaged with the ring gear for being fixed on great-leap-forward sealing structure (19), runs driving motor group by circumferential
Part (21) driving pinion (22) is rotated relative to ring gear (20), to keep turntable (3) circumferential around core positioning sleeve (16)
Rotation.
3. a kind of control rod drive mechanism remote auto penetrating inspection device according to claim 1, it is characterised in that: institute
It includes that bleeding agent smears block (10), support plate (11), shaft (12) and cylinder (13), branch that the bleeding agent stated, which applies deposited module (6),
Fagging (11) is fixedly mounted on turntable (3) by shaft (12), and support plate (11) upper end and is fixed on turntable (3) upper end
Cylinder (13) is connected, and support plate (11) lower end surface sets bleeding agent and smears block (10), can drive support plate by cylinder (13)
(11) it inwardly swings, bleeding agent is smeared into block (10) pressing on lower omega welding seam (2)；Meanwhile cylinder (13) can drive support
Plate (11) is swung out, and bleeding agent is smeared block (10) and is detached from lower omega welding seam, and concedes the maximum of control rod drive mechanism (1)
Diameter segment facilitates the assembly and disassembly of device.
4. a kind of control rod drive mechanism remote auto penetrating inspection device according to claim 3, it is characterised in that: institute
It is flexible foam shape porous material that the bleeding agent stated, which smears block (10), can be with adsorption and permeation agent.
5. a kind of control rod drive mechanism remote auto penetrating inspection device according to claim 1, it is characterised in that: institute
Cleaning module (4) and irradiation modules (7) are additionally provided on turntable (3) bottom surface stated, wherein cleaning module (4) passes through cleaning base
Plate (14) is mounted on turntable (3), and several washer jets (15) are installed on cleaning base plate (14), is sprayed for cleaning agent
Cleaning；Irradiation modules (7) are similar with cleaning module (4) structure, are mounted on turntable (3) by dry substrate, and in drying
Several dry nozzles are disposed on substrate for compressed air or drying by hot air jet.
6. a kind of control rod drive mechanism remote auto penetrating inspection device according to claim 1, it is characterised in that: institute
Be additionally provided with installation check camera and lighting module (5) on turntable (3) bottom surface stated, and in the installation check camera and
Partition (9) are equipped with around lighting module (5), prevents bleeding agent and cleaning agent from splashing and it is polluted.
7. a kind of control rod drive mechanism remote auto penetrating inspection device according to claim 1, it is characterised in that: institute
The great-leap-forward sealing structure (19) stated is connected with cage type lifting frame (26), for whole equipment to be lifted into control to be checked
On rod drive mechanism (1) processed, wherein cage type lifting frame (26) includes connecting rod (23), connecting plate (24) and hanging ring (25),
Wherein, several connecting rods (23) of vertical distribution and several connecting plates (24) are fixedly connected to form rigid frame structure,
And hanging ring (25) are provided at the top of cage type lifting frame (26), connecting rod (23) is connected with great-leap-forward sealing structure (19)
It connects, realizes the lifting operation to whole equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820782127.7U CN208505858U (en) | 2018-05-24 | 2018-05-24 | A kind of control rod drive mechanism remote auto penetrating inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820782127.7U CN208505858U (en) | 2018-05-24 | 2018-05-24 | A kind of control rod drive mechanism remote auto penetrating inspection device |
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| Publication Number | Publication Date |
|---|---|
| CN208505858U true CN208505858U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820782127.7U Active CN208505858U (en) | 2018-05-24 | 2018-05-24 | A kind of control rod drive mechanism remote auto penetrating inspection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530767A (en) * | 2018-05-24 | 2019-12-03 | 核动力运行研究所 | A kind of control rod drive mechanism remote auto penetrating inspection device and method |
| CN114352945A (en) * | 2021-12-31 | 2022-04-15 | 核动力运行研究所 | Butt-joint clamping structure of CANDU (cast iron steel tube) stack fuel channel pressure pipe inspection end part |
-
2018
- 2018-05-24 CN CN201820782127.7U patent/CN208505858U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530767A (en) * | 2018-05-24 | 2019-12-03 | 核动力运行研究所 | A kind of control rod drive mechanism remote auto penetrating inspection device and method |
| CN114352945A (en) * | 2021-12-31 | 2022-04-15 | 核动力运行研究所 | Butt-joint clamping structure of CANDU (cast iron steel tube) stack fuel channel pressure pipe inspection end part |
| CN114352945B (en) * | 2021-12-31 | 2023-11-21 | 核动力运行研究所 | CANDU stacks fuel passage pressure pipe inspection end part butt joint embraces card structure |
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