CN209401329U - A kind of mechanical carrier based on nuclear fuel assembly appearance video check - Google Patents
A kind of mechanical carrier based on nuclear fuel assembly appearance video check Download PDFInfo
- Publication number
- CN209401329U CN209401329U CN201822153742.4U CN201822153742U CN209401329U CN 209401329 U CN209401329 U CN 209401329U CN 201822153742 U CN201822153742 U CN 201822153742U CN 209401329 U CN209401329 U CN 209401329U
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- China
- Prior art keywords
- reel
- fixed plate
- mechanical carrier
- fuel assembly
- nuclear fuel
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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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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model relates to pressurized-water reactor nuclear power plant fuel appearance video check technical fields, specifically disclose a kind of mechanical carrier based on nuclear fuel assembly appearance video check.The mechanical carrier includes top mechanical carrier, lower mechanical carrier and reel assemblies, wherein, top mechanical carrier is frame structure, support fixed function is risen to whole equipment, lower mechanical carrier is mounted in upper carrier by reel assemblies, it can control lower mechanical carrier to move up and down relative to top mechanical carrier by reel assemblies, equipped with video inspection device on lower mechanical carrier, visual examination carried out to fuel assembly to be checked.Whole height is adjusted, after completing assembling, primary achievable transhipment reduces transhipment number, reduces the risk of transhipment；It is primary to complete video check, it does not need that the multiple handling of fuel assembly and steering are reduced the risk of fuel assembly handling and steering, improve safety coefficient.
Description
Technical field
The invention belongs to pressurized-water reactor nuclear power plant fuel appearance video check technical fields, and in particular to one kind is based on nuclear fuel
The mechanical carrier of component facade video check.
Background technique
In pressurized-water reactor nuclear power plant, nuclear fuel is installed in the thin-walled cladding tubes by end plug sealing, and cladding materials is zirconium conjunction
Gold.End plug is welded on to the both ends of cladding tubes using the welding method of electron beam, piezoresistive weldering or argon tungsten-arc welding.Then will
Several fuel rods fit together, and form nuclear fuel assembly.Nuclear fuel assembly is generated by the fission reaction in reactor core
Thermal energy.It is an extremely important component of nuclear power station, is the first barrier for preventing nuclear fuel from leaking.
Fuel assembly stirs and make muddy screen work by upper tube socket, top screen work, structure, across stiring and make muddy screen work, fuel rod, and bottom grillage,
Guide pipe, anti-foreign matter plate, lower perforated plate composition.According to nuclear power Experience Feedback, reload in fuel assembly, batch turning, during returning dress,
The problems such as fuel assembly surface is easily collided with, and is bent or is deformed, especially shelf portion are easy to damage in transport process,
So as to cause dress is influenced back, delay the window that reloads.Regularly inservice inspection, fuel assembly appearance video inspection is for detecting fuel
The mechanical integrity and surface appearance of component and its component, can find defect early, repair or replace the fuel of damage in advance
Component is of great significance to nuclear plant safety, economical operation.
Fuel assembly appearance video check usually carries out after unloading work in K workshop.Utilize fuel four sides appearance
Check device first installs fixation, this, which checks, to need to sling fuel assembly twice, hangs twice and fall, rotate and need twice
The position of video camera is once adjusted, entire checking process needs to drive a vehicle driver and professional loading and unloading personnel's whole process cooperate into
Row, takes time and effort.
Summary of the invention
The purpose of the present invention is to provide a kind of mechanical carriers based on nuclear fuel assembly appearance video check, overcome existing
The height limitation that K workshop ring is hung reduces handling risk, and reduction is reloaded the time, and is able to satisfy the examination requirements of fuel assembly,
Technical scheme is as follows: a kind of mechanical carrier based on nuclear fuel assembly appearance video check, the machinery
Carrier includes top mechanical carrier, lower mechanical carrier and reel assemblies, wherein top mechanical carrier is frame structure, right
Whole equipment plays support fixed function, and lower mechanical carrier is mounted in upper carrier by reel assemblies, passes through reel assemblies
Controllable lower mechanical carrier is moved up and down relative to top mechanical carrier, is set on lower mechanical carrier equipped with video check
It is standby, visual examination is carried out to fuel assembly to be checked.
The top mechanical carrier includes main fixed plate, crossbeam, diagonal rib support and reel fixed plate, wherein two pieces
Parallel main fixed plate one end is connected to form frame structure by crossbeam, and diagonal rib branch is provided between main fixed plate and crossbeam
Support, and setting tail trimmer is supported between diagonal rib support；It is solid being symmetrically set with four reels close to main fixed plate
Fixed board.
Four reel fixed plates include the first reel fixed plate, the second reel fixed plate, third reel fixed plate
And in Volume Four cylinder fixed plate, wherein it is same that the first reel fixed plate and the second reel fixed plate are located at the first main fixed plate
Side；Third reel fixed plate and Volume Four cylinder fixed plate are located at the same side of the second main fixed plate.
The reel assemblies include reel, connecting rod and handwheel, wherein four reels are separately fixed at top machinery
In four reel fixed plates of carrier, and it is located between the reel of the same side to be connected by connecting rod and realizes synchronous turn of reel
Dynamic, handwheel is connected with two not ipsilateral reels, drives four reels to rotate synchronously by handwheel.
The reel includes wire reel, driving belt, synchronous pulley, transmission shaft, wherein wire reel end bearing
It is connected by driving belt with the synchronous pulley being fixed on axis support base, the adjustment wheel being mounted in adjustment plate passes through transmission
Axis is connected with synchronous pulley.
Two reels in the first reel fixed plate, the second reel fixed plate, and it is located at third reel
Two reels in fixed plate, Volume Four cylinder fixed plate realize the connection of wire reel axis by driving connecting rod, are located at cross
First reel fixed plate of beam side and the reel in Volume Four cylinder fixed plate are connected by handwheel, can by rotating handwheel
The wire reel rotation in four reels is driven simultaneously.
Lower mechanical carrier includes wirerope, camera fixing support and radiation resistance camera, wherein camera is fixed
Bracket on the wire reel of reel assemblies, is equipped with camera fixing groove by wirerope-winding on camera fixing support,
Radiation resistance camera is fixed in camera fixing groove.
Camera fixing support is square frame structure, and internal diameter is greater than the outer warp of fuel assembly to be detected.
Remarkable result of the invention is: a kind of machinery based on nuclear fuel assembly appearance video check of the present invention
Whole height is adjusted in carrier structure, and after completing assembling, primary achievable transhipment reduces transhipment number, reduces transhipment
Risk；Meanwhile wire reel mechanism is driven by handwheel, it realizes the rise and fall to camera fixing support, ensure that and take the photograph
Picture is support bracket fastened steady；In addition, once completing video check, do not need to reduce the multiple handling of fuel assembly and steering
The risk of fuel assembly handling and steering, improves safety coefficient；The equipment is largely welding structure, reduces fixing piece
And connector, reduce the risk of foreign matter generation.
Detailed description of the invention
Fig. 1 is a kind of mechanical carrier structural schematic diagram based on nuclear fuel assembly appearance video check of the present invention；
Fig. 2 is the structural schematic diagram of the middle and upper part Fig. 1 mechanical carrier；
Fig. 3 is reel assemblies structural schematic diagram in Fig. 1；
Fig. 4 is the middle and lower part Fig. 1 mechanical carrier structural schematic diagram；
In figure: 1, wire reel；2, it is rotatablely connected bar；3, handwheel；4, wirerope；5, camera bracket；6, radiation resistance is taken the photograph
As head；7, lock-screw；8, driving belt；9, crossbeam；10, the first reel fixed plate；11, diagonal rib supports；12, tail trimmer；13,
Second reel fixed plate；14, third reel fixed plate；15, main fixed plate；16, Volume Four cylinder fixed plate；17, synchronous pulley；
18, axis support base；19, rotation axis；20, adjustment wheel；21, adjustment plate；22, Hooks coupling universal coupling；23, worm gear mechanism；24, it takes the photograph
As head fixing groove.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-4, a kind of mechanical carrier based on nuclear fuel assembly appearance video check, including top machinery carry
Body, lower mechanical carrier and reel assemblies, wherein top mechanical carrier is frame structure, plays support to whole equipment and fixes
Effect, lower mechanical carrier are mounted in upper carrier by reel assemblies, can control lower mechanical carrier by reel assemblies
It is moved up and down relative to top mechanical carrier, equipped with video inspection device on lower mechanical carrier, to fuel to be checked
Component carries out visual examination；Top mechanical carrier includes main fixed plate 15, crossbeam 9, diagonal rib support 11 and reel fixed plate,
In, two pieces of parallel 15 one end of main fixed plate are connected to form frame structure by crossbeam 9, main fixed plate 15 and crossbeam 9 it
Between be provided with diagonal rib support 11, and diagonal rib support 11 between setting tail trimmer 12 be supported；Left close to main fixed plate 15
The right side is arranged symmetrically, and there are four reel fixed plates, wherein and the first reel fixed plate 10 and the second reel fixed plate 13 are located at the same side,
Third reel fixed plate 14 and Volume Four cylinder fixed plate 16 are located at the other side；Reel assemblies include reel, connecting rod and handwheel 3,
Wherein, four reels are separately fixed at the first reel fixed plate 10, the second reel fixed plate 13, third on the mechanical carrier of top
In reel fixed plate 14 and Volume Four cylinder fixed plate 16, wherein reel includes wire reel 1, driving belt 8, synchronous pulley
17, transmission shaft 19, wherein 1 end bearing of wire reel passes through driving belt 8 and the synchronous pulley being fixed on axis support base 18
17 are connected, and the adjustment wheel 20 being mounted in adjustment plate 21 is connected by transmission shaft 19 with synchronous pulley 17；Positioned at the first volume
Two reels in cylinder fixed plate 10, the second reel fixed plate 13, and fixed positioned at third reel fixed plate 14, Volume Four cylinder
Two reels on plate 16 realize the connection of 1 axis of wire reel, the first reel positioned at 9 side of crossbeam by driving connecting rod
Reel in fixed plate 10 and Volume Four cylinder fixed plate 16 is connected by handwheel 3, by rotating handwheel 3, can be driven simultaneously
Wire reel 1 in four reels rotates；Lower mechanical carrier includes that wirerope 4, camera fixing support 5 and radiation resistance are taken the photograph
As head 6, wherein the camera fixing support 5 of square frame structure is wrapped in the wire reel 1 of reel assemblies by wirerope 4
On, it is equipped with camera fixing groove 24 on camera fixing support 5, radiation resistance camera 6 is fixed on camera fixing groove 24
On.
Claims (8)
1. a kind of mechanical carrier based on nuclear fuel assembly appearance video check, it is characterised in that: the mechanical carrier includes top
Mechanical carrier, lower mechanical carrier and reel assemblies, wherein top mechanical carrier is frame structure, plays branch to whole equipment
Fixed function is supportted, lower mechanical carrier is mounted in upper carrier by reel assemblies, can control lower part machine by reel assemblies
Tool carrier is moved up and down relative to top mechanical carrier, equipped with video inspection device on lower mechanical carrier, to be checked
Fuel assembly carry out visual examination.
2. a kind of mechanical carrier based on nuclear fuel assembly appearance video check according to claim 1, it is characterised in that:
The top mechanical carrier includes main fixed plate (15), crossbeam (9), diagonal rib support (11) and reel fixed plate, wherein two
Parallel main fixed plate (15) one end of block is connected to form frame structure by crossbeam (9), in main fixed plate (15) and crossbeam (9)
Between be provided with diagonal rib support (11), and diagonal rib support (11) between setting tail trimmer (12) be supported；Close to main solid
Fixed board (15) is symmetrically set with four reel fixed plates.
3. a kind of mechanical carrier based on nuclear fuel assembly appearance video check according to claim 2, it is characterised in that:
Four reel fixed plates include the first reel fixed plate (10), the second reel fixed plate (13), third reel fixed plate
(14) and in Volume Four cylinder fixed plate (16), wherein the first reel fixed plate (10) and the second reel fixed plate (13) are located at
First main fixed plate the same side；Third reel fixed plate (14) and Volume Four cylinder fixed plate (16) are located at the second main fixed plate
The same side.
4. a kind of mechanical carrier based on nuclear fuel assembly appearance video check according to claim 1, it is characterised in that:
The reel assemblies include reel, connecting rod and handwheel (3), wherein four reels are separately fixed at top mechanical carrier
Four reel fixed plates on, and be located at the same side reel between be connected by connecting rod realize reel synchronous rotation, hand
Wheel (3) is connected with two not ipsilateral reels, drives four reels to rotate synchronously by handwheel (3).
5. a kind of mechanical carrier based on nuclear fuel assembly appearance video check according to claim 4, it is characterised in that:
The reel includes wire reel (1), driving belt (8), synchronous pulley (17), transmission shaft (19), wherein wire reel
(1) end bearing is connected by driving belt (8) with the synchronous pulley (17) being fixed on axis support base (18), is mounted on tune
Adjustment wheel (20) in whole plate (21) is connected by transmission shaft (19) with synchronous pulley (17).
6. a kind of mechanical carrier based on nuclear fuel assembly appearance video check according to claim 5, it is characterised in that:
In the reel, two reels are located at the first reel fixed plate (10), in the second reel fixed plate (13) and other two
Reel is located at third reel fixed plate (14), in Volume Four cylinder fixed plate (16), they pass through driving connecting rod and realize steel wire
The connection of reel (1) axis, the first reel fixed plate (10) for being located at crossbeam (9) side and the volume in Volume Four cylinder fixed plate (16)
Cylinder is connected by handwheel (3), by rotating handwheel (3), the wire reel (1) in four reels can be driven to rotate simultaneously.
7. a kind of mechanical carrier based on nuclear fuel assembly appearance video check according to claim 1, it is characterised in that:
Lower mechanical carrier includes wirerope (4), camera fixing support (5) and radiation resistance camera (6), wherein camera is solid
Fixed rack (5) is wrapped on the wire reel (1) of reel assemblies by wirerope (4), is equipped on camera fixing support (5)
Radiation resistance camera (6) is fixed on camera fixing groove (24) by camera fixing groove (24).
8. a kind of mechanical carrier based on nuclear fuel assembly appearance video check according to claim 7, it is characterised in that:
Camera fixing support (5) is square frame structure, and internal diameter is greater than the outer warp of fuel assembly to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153742.4U CN209401329U (en) | 2018-12-20 | 2018-12-20 | A kind of mechanical carrier based on nuclear fuel assembly appearance video check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153742.4U CN209401329U (en) | 2018-12-20 | 2018-12-20 | A kind of mechanical carrier based on nuclear fuel assembly appearance video check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401329U true CN209401329U (en) | 2019-09-17 |
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ID=67895553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822153742.4U Active CN209401329U (en) | 2018-12-20 | 2018-12-20 | A kind of mechanical carrier based on nuclear fuel assembly appearance video check |
Country Status (1)
| Country | Link |
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| CN (1) | CN209401329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354489A (en) * | 2018-12-20 | 2020-06-30 | 核动力运行研究所 | Mechanical carrier based on nuclear fuel assembly appearance video inspection |
-
2018
- 2018-12-20 CN CN201822153742.4U patent/CN209401329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354489A (en) * | 2018-12-20 | 2020-06-30 | 核动力运行研究所 | Mechanical carrier based on nuclear fuel assembly appearance video inspection |
| CN111354489B (en) * | 2018-12-20 | 2024-08-09 | 核动力运行研究所 | Mechanical carrier based on appearance video inspection of nuclear fuel assembly |
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