CN205845521U - A kind of cartridge γ scanning special fixture - Google Patents
A kind of cartridge γ scanning special fixture Download PDFInfo
- Publication number
- CN205845521U CN205845521U CN201620695321.2U CN201620695321U CN205845521U CN 205845521 U CN205845521 U CN 205845521U CN 201620695321 U CN201620695321 U CN 201620695321U CN 205845521 U CN205845521 U CN 205845521U
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- CN
- China
- Prior art keywords
- clamp body
- end clamp
- cartridge
- fixture housing
- moved end
- Prior art date
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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 discloses a kind of cartridge γ scanning special fixture, moved end clamp body and fixed end clamp body it is provided with in fixture housing, moved end clamp body and fixed end clamp body are all connected with fixture housing, moved end clamp body can carry out level slip in fixture housing and rotate along himself axis, it is provided with support means between moved end clamp body and fixed end clamp body, support means is arranged in fixture housing, being centrally disposed on same straight line of the center of support means, the center of moved end clamp body and fixed end clamp body.This utility model is in the case of ensureing that measurement initial point is identical, it is achieved that the clamping of 7 kinds of different length different tube diameters cartridges, fixing and rotation；Solve the difficult problem that cartridge axially and radially relative burnup is measured and cartridge male and female face judges, provide significant data support for follow-up metallographic examination and absolute burnup measurement sampling work；Axially and radially relative burnup measurement for dissimilar fuel element provides a kind of new approaches.
Description
Technical field
This utility model belongs to nuclear fuel cycle technical field, is specifically related to a kind of cartridge γ scanning special fixture.
Background technology
Accurately measure fuel element burnup, reactor safety is run, improve fuel availability, utilize economically
Fuel element is significant.Tested by the γ scanning of fuel element, it is possible to obtain the relative burnup distribution of fuel element
Situation, compares with its Theoretical Calculation burnup profile, intends verifying the correctness that this element runs；It is that fuel element is absolute simultaneously
Burnup measurement sampling provides important evidence with analyzing, and is the important step after Irradiated Fuel Rod in service check.
There are currently no the technology that cartridge is carried out γ scanning.
Utility model content
The purpose of this utility model patent is to design one can be to 7 layers of different-diameter cartridge of thimble tube fuel assembly
Carry out axially and radially relative burnup to measure, and can be from the special fixture of axially and radially location maximum fuel burnup point.
This utility model is achieved through the following technical solutions:
A kind of cartridge γ scanning special fixture, including fixture housing, is provided with moved end clamp body in described fixture housing
With fixed end clamp body, and moved end clamp body and fixed end clamp body be all connected with fixture housing, and moved end clamp body can be at folder
Concrete seat carry out level slip and rotates along himself axis, being provided with between moved end clamp body and fixed end clamp body and prop up
Support arrangement, support means is arranged in fixture housing, the center of support means, the center of moved end clamp body and fixed end clamp body
It is centrally disposed on same straight line.In order to utilize fuel element economically, optimize reactor core and arrange, it is ensured that reactor safety
Running, the test of thimble tube Irradiated Fuel Rod has been carried out in research reactor, and the correctness run for checking fuel assembly ensures reactor
Safe operation, devise a kind of cartridge γ scanning special fixture, measure 7 layers of different tube diameters fuel of thimble tube fuel assembly
The relative burnup distribution of pipe, this programme solves cartridge axially and radially relative burnup and measures and the judgement of cartridge male and female face
A difficult problem, provide significant data support for follow-up metallographic examination and absolute burnup measurement sampling work, ensure measure initial point
In the case of identical, it is achieved that the clamping of 7 kinds of different length different tube diameters cartridges, fixing and rotation, expand range of application.
The outside of fixture housing is provided with clamping handwheel, and clamping handwheel one end is arranged in fixture housing, in fixture housing
In be provided with coupling mechanism, and coupling mechanism is connected with clamping handwheel and moved end clamp body simultaneously, and coupling mechanism can be at fixture
Housing carries out level slip；Being provided with index pawl on the clamp body of moved end, index pawl is provided with connecting shaft, connecting shaft is same
Time through index pawl and moved end clamp body and be connected with coupling mechanism.Index pawl and moved end clamp body are coaxial, and this connection
Axle can rotate around himself axis, so when stirring index pawl, it is possible to drives moved end clamp body motion, by cartridge
It is also carried out rotating, and cartridge will not rotate when clamping hand wheel rotating, is simply promoted moving horizontally by coupling mechanism, from
And make moved end clamp body and fixed end clamp body is close to each other or away from, it is achieved to the clamping of cartridge or loosen, couple
Mechanism is existing structure, it is possible to be directly commercially available.Index pawl possesses and realizes self-locking and determine angular turn function, prevents fuel
Pipe reversion causes measurement inaccurate.
The end face indent of support means forms V-type groove, and V-type groove connects with the symmetrical side of support means.By
It is cylindrical shape in cartridge, so the end face indent in support means forms V-type groove, can make after cartridge snaps in
Obtaining contact surface big, location is more accurate, and can adapt to the cartridge of different tube diameters.
This utility model compared with prior art, has such advantages as and beneficial effect:
1, this utility model is in the case of ensureing that measurement initial point is identical, it is achieved that 7 kinds of different length different tube diameters fuel
The clamping of pipe, fixing and rotation；
2, the difficult problem that cartridge axially and radially relative burnup is measured and cartridge male and female face judges is solved, for follow-up
Metallographic examination and absolute burnup measurement sampling work provide significant data support；
3, this utility model is that the axially and radially relative burnup measurement of dissimilar fuel element provides and a kind of new thinks
Road.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by this utility model embodiment, constitutes the one of the application
Part, is not intended that the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is this utility model structural representation.
The parts title of labelling and correspondence in accompanying drawing:
1-fixed end clamp body, 2-support means, 3-fixture housing, 4-cartridge, 5-moved end clamp body, 6-index pawl,
7-clamps handwheel, 8-coupling mechanism, 9-installing plate.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and explanation thereof are only used for explaining this
Utility model, is not intended as restriction of the present utility model.
Embodiment:
As it is shown in figure 1, measure to complete the relative burnup of 7 layers of different tube diameters cartridge, devise a kind of cartridge γ
Scanning special fixture, it is achieved that cartridge relative burnup is measured, is provided with moved end clamp body 5 and fixed end folder in fixture housing 3
Concrete 1, fixture housing 3 termination is protruded and is formed installing plate 9, and fixed end clamp body 1 is connected with installing plate 9, and fixed end clamp body 1 energy
Enough rotate around junction, so have enough height to clamp cartridge 4, it is to avoid when the caliber of cartridge is the biggest and clamp body
Seat 3 causes interference, is provided with some pieces of end faces and is provided with the support of V-type groove between moved end clamp body 5 and fixed end clamp body 1
Device 2, is provided with mounting groove and comes clamping support means 2, and the center of support means 2, moved end clamp body 5 in fixture housing 3
Center and fixed end clamp body 1 center same to be arranged on straight line on；The outside of fixture housing 3 is provided with clamping handwheel 7,
Clamping handwheel 7 one end is arranged in fixture housing 3, is provided with coupling mechanism 8 in fixture housing 3, and coupling mechanism 8 simultaneously with
One end that clamping handwheel 7 and moved end clamp body 5 are arranged in fixture housing 3 connects, by rotating clamping handwheel 7, it is achieved with folder
The screw rod that tight handwheel 7 connects rotates, thus drives coupling mechanism 8 to move horizontally in fixture housing 3, moved end clamp body 5
On index pawl 6 is installed, index pawl 6 is provided with connecting shaft, connecting shaft is also cross index pawl 6 and moved end clamp body
5 and be connected with coupling mechanism 8, when γ scanning is measured, according to the caliber of cartridge 4, select the V-type support means 2 of correspondingly-sized,
Using mechanical hand that cartridge 4 is quick installed at V-type support means 2, the termination of cartridge is automatically and fixed end clamp body 1 preformed groove
Coupling, moves the distance of moved end clamp body 5 and fixed end clamp body 1 by rotating clamping handwheel 7, it is achieved cartridge 4 clamping and
Fixing, by upset cylinder, gamma ray spectrometer is just popped one's head in by cartridge center line, plan axially measured point, carry out the axial γ of cartridge 4
Scanning；Stir index pawl 6 by mechanical hand, it is achieved cartridge angle rotates, carry out cartridge 4 radially γ scanning, according to combustion
Material pipe 4 diametrically burnup profile, it is judged that cartridge 4 male and female face, plans axially measured point, maximum to cartridge 4 sunny side burnup
Position carries out axial γ scanning, after γ scanning completes, burnup maximum point carries out length and angle location, for follow-up metallographic examination
Significant data support is provided with absolute burnup measurement sampling work.
This utility model, according to the different feature of cartridge caliber, devises fixed end and moved end clamp body, both ensure that not
Measure initial point with length different tube diameters cartridge identical, achieve again the clamping of 7 layers of different length different-diameter cartridge
With fixing, according to cartridge radially burnup measurement requirement, devise index pawl structure, it is achieved that cartridge determine angle rotate with
Radially γ scanning, judges to provide data support for cartridge male and female face；According to the feature that 7 layers of cartridge caliber is different, first
Devise V-type and prop up bracer, it is achieved that the Fast Installation of environment cartridge is put by force in hot cell, improves work efficiency.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (4)
1. a cartridge γ scanning special fixture, it is characterised in that include fixture housing (3), set in described fixture housing (3)
Be equipped with moved end clamp body (5) and fixed end clamp body (1), and moved end clamp body (5) and fixed end clamp body (1) all with fixture housing
(3) connect, and moved end clamp body (5) can carry out level slip in fixture housing (3) and rotate along himself axis,
Being provided with support means (2) between moved end clamp body (5) and fixed end clamp body (1), support means (2) is arranged on fixture housing
(3) on, the center of support means (2), the center of moved end clamp body (5) and fixed end clamp body (1) be centrally disposed in same
On straight line.
A kind of cartridge γ scanning special fixture the most according to claim 1, it is characterised in that described fixture housing (3)
Outside be provided with clamping handwheel (7), clamping handwheel (7) one end be arranged in fixture housing (3), set in fixture housing (3)
It is equipped with coupling mechanism (8), and coupling mechanism (8) is connected with clamping handwheel (7) and moved end clamp body (5), coupling mechanism (8) simultaneously
Level slip can be carried out in fixture housing (3).
A kind of cartridge γ scanning special fixture the most according to claim 2, it is characterised in that described moved end clamp body
(5) being provided with index pawl (6) on, index pawl is provided with connecting shaft on (6), connecting shaft also cross index pawl (6) and
Moved end clamp body (5) and being connected with coupling mechanism (8).
A kind of cartridge γ scanning special fixture the most as claimed in any of claims 1 to 3, it is characterised in that institute
The end face indent stating support means (2) forms V-type groove, and V-type groove connects with the symmetrical side of support means (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695321.2U CN205845521U (en) | 2016-07-05 | 2016-07-05 | A kind of cartridge γ scanning special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695321.2U CN205845521U (en) | 2016-07-05 | 2016-07-05 | A kind of cartridge γ scanning special fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205845521U true CN205845521U (en) | 2016-12-28 |
Family
ID=58150929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620695321.2U Active CN205845521U (en) | 2016-07-05 | 2016-07-05 | A kind of cartridge γ scanning special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205845521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854650A (en) * | 2020-07-24 | 2020-10-30 | 西北工业大学 | Assembly detection device for actuating part piston assembly |
-
2016
- 2016-07-05 CN CN201620695321.2U patent/CN205845521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854650A (en) * | 2020-07-24 | 2020-10-30 | 西北工业大学 | Assembly detection device for actuating part piston assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |