CN109406266A - The dynamic environmental test fixture of heat source - Google Patents
The dynamic environmental test fixture of heat source Download PDFInfo
- Publication number
- CN109406266A CN109406266A CN201811652615.7A CN201811652615A CN109406266A CN 109406266 A CN109406266 A CN 109406266A CN 201811652615 A CN201811652615 A CN 201811652615A CN 109406266 A CN109406266 A CN 109406266A
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- China
- Prior art keywords
- heat source
- environmental test
- dynamic environmental
- pedestal
- fixture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
Present disclose provides a kind of dynamic environmental test fixtures of heat source, comprising: pedestal (1)；Sealing cover (2) forms sealed environment with the pedestal (1), for being sealed protection to the heat source；Support base (3) is arranged on the pedestal (1)；Band (4) is arranged on the support base (3), and the heat source is fixed between the support base (3) and band (4)；Sampling valve (5) is arranged on the top of the sealing cover (2), and the sampling valve (5) is provided with leak hunting aperture.The disclosure additionally provides a kind of application method of the dynamic environmental test fixture of heat source.The dynamic environmental test fixture of heat source in the disclosure has many advantages, such as that mechanical loading transmitting is undistorted, success of the test rate is high and reduces radioactive substance spread risk.
Description
Technical field
This disclosure relates to a kind of dynamic environmental test fixture of heat source.
Background technique
Radioisotopic heat source (hereinafter referred to as " heat source ") is generally made of source core and pressure vessel two parts, and source core is by generating
Cylindrical ceramic body made of the Radioactive isotope fuels of decay heat, pressure vessel have been the high-strength alloy shell of seal protection effect
Body.In the design, application process of heat source, a series of reliabilities and environmental test need to be undergone to examine, dynamic environmental test is it
Important component.Dynamic environmental test needs to be securely fixed in heat source on mechanics experimental equipment table top, this needs to test
The switching of fixture.
The dynamic environmental test fixture design of radioisotopic heat source mainly faces following two problem.Heat source is to utilize
Radioisotopic decay heat provides the product of the energy for external device (ED), and self-heating is the inherent characteristic of heat source, and heat source is solid
After being scheduled on fixture, fixture can lead to power in test due to expanding with heat and contract with cold and occurring the loosening of local secure component in the short time
There is problem of dtmf distortion DTMF in the transmitting for learning load；And before dynamic environmental test, can designed heat source bear required mechanics
Load be it is unknown, once heat source after undergoing dynamic environmental test, the leakproofness of involucrum fails, and radioactive substance is caused to be let out
Leakage, will cause the pollution to external environment and the radiation injury of operator.
Summary of the invention
(1) technical problems to be solved
The dynamic environmental test fixture for being designed to provide a kind of heat source of the disclosure, to overcome heat source in the prior art
The problem of mechanical loading transmitting in dynamic environmental test of dynamic environmental test fixture is distorted and radioactive substance leaks, this public affairs
The dynamic environmental test fixture for the heat source opened has undistorted mechanical loading transmitting, success of the test rate height and reduces radioactive material
The advantages that matter spread risk.
(2) technical solution
Present disclose provides a kind of dynamic environmental test fixtures of heat source, comprising: pedestal；Sealing cover, with the pedestal shape
At sealed environment, for being sealed protection to the heat source；Support base, setting is on the base；Band is arranged described
On support base, the heat source is fixed between the support base and band；The top of the sealing cover, institute is arranged in sampling valve
It states sampling valve and is provided with leak hunting aperture.
Optionally, aluminium washer is provided between the sealing cover and the pedestal.
Optionally, the fixture further includes bolt, described to be bolted the pedestal, sealing cover and aluminium washer, and being used for will
The sealing cover is fixed on the base.
Optionally, the quantity of the bolt is no less than 3.
Optionally, the support base welds on the base.
Optionally, it is clamped by the band and the heat source is arranged on the support base, and by band bolt
The heat source is fixed on the support base by one default torque of upper application.
Optionally, the material of the pedestal and sealing cover is 1Cr18Ni9Ti stainless steel.
Optionally, the leak hunting aperture connects inside and the external environment of the sealing cover.
Optionally, RUBBER O circle and blank flange are set to be sealed to the leak hunting aperture.
Another aspect of the disclosure additionally provides a kind of application method of the dynamic environmental test fixture of heat source, wherein
The described method includes: the heat source is fitted into support base by the band by the fixture, it is default to apply one on band bolt
The heat source is fixed in the support base after screw-down torque；When the heat source surface and the chucking surface reach thermal balance
Afterwards, the screw-down torque of the band bolt is determined；Mechanical ring is mounted on to preset coupling torque for the fixture containing the heat source
On the testing equipment table top of border, and mechanical loading is applied to the fixture with direction initialization and size；After the completion of test, to leak hunting aperture
It is sampled detection, judges whether the fixture leaks according to testing result.
(3) beneficial effect
The dynamic environmental test fixture for the heat source that the disclosure provides, has the advantages that
(1) the torque loading method and size of clamp component are set, carries out mechanical ring according to setting means
Border test, improves the success rate of heat source dynamic environmental test, to save time and the cost of repetition test；
(2) by heat source secondary seal in fixture, by after the completion of test to radioactive material contamination feelings at leak hunting aperture
Condition is checked, judges whether fixture inner heat source occurs radioactive substance leakage, convenient for taking corresponding measure, to reduce operation
The risk of personnel and environment by radioactive pollution；
(3) fixture can stop most of gamma ray, to reduce the level of dose of radiation suffered by operator.
Detailed description of the invention
Fig. 1 diagrammatically illustrates the structural schematic diagram of the dynamic environmental test fixture of the heat source of embodiment of the present disclosure offer.
Fig. 2 diagrammatically illustrates the heat source mechanics of the dynamic environmental test fixture based on heat source of embodiment of the present disclosure offer
The operational flowchart of environmental test.
Description of symbols:
1- pedestal；2- sealing cover；3- support base；4- band；5- sampling valve；6- bolt；7- band bolt.
Specific embodiment
For the purposes, technical schemes and advantages of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Disclosure some embodiments will be done referring to appended attached drawing in rear and more comprehensively describe to property, some of but not complete
The embodiment in portion will be shown.In fact, the various embodiments of the disclosure can there are many different forms to realize, without that should be solved
It is interpreted as being limited to embodiments set forth herein；Relatively, these embodiments are provided so that the disclosure meets applicable legal requirement.
Fig. 1 diagrammatically illustrates the structural schematic diagram of the dynamic environmental test fixture of the heat source of embodiment of the present disclosure offer.
The dynamic environmental test fixture of heat source in Fig. 1 is described in detail.
From figure 1 it appears that the dynamic environmental test fixture of the heat source includes: pedestal 1, sealing cover 2, support base 3, packet
Band 4 and sampling valve 5.
Aluminium washer is provided between sealing cover 2 and pedestal 1.The dynamic environmental test fixture of the heat source further includes bolt 6, should
The quantity of bolt 6 is no less than 3, the quantity of bolt 6 can be selected according to fixture size, such as 8 are preferably chosen in the present embodiment
A bolt 6 comes fit sealing pedestal 1 and sealing cover 2.Bolt 6 connects pedestal 1, sealing cover 2 and aluminium washer, thus by close
Capping 2 is fixed on pedestal 1, so that sealing cover 2 and pedestal 1 form sealed environment, to be sealed protection to heat source.Pedestal 1
Material with sealing cover is 1Cr18Ni9Ti stainless steel.
Support base 3 is arranged on pedestal 1, and band 4 is arranged on support base 3, heat source be fixed on support base 3 and band 4 it
Between.Wherein, support base 3 is fixed in a welding manner on pedestal 1.The dynamic environmental test fixture of the heat source further includes band spiral shell
Bolt 7,7 connecting support seat 3 of band bolt and band 4.Specifically, heat source setting is being supported in a manner of clamping band 4
On seat 3, then by the way that heat source is fixed on support base 3 after the one default torque (such as 20Nm) of application on band bolt 7,
To which heat source to be fixed on pedestal 1, so that the mechanical loading of mechanics experimental equipment table top is transmitted without distortions by the fixture
Onto heat source.
The top of sealing cover 2 is arranged in sampling valve 5, is provided with leak hunting aperture in sampling valve 5.Sampling valve 5 will by leak hunting aperture
2 inside of sealing cover is connect with external environment.It is provided with the circle of rubber 0 and blank flange is sealed leak hunting aperture.
Sampling valve is the valve for obtaining medium samples in pipeline or equipment, for needing often to carry out medium samples
The occasion of chemical analysis.In the embodiments of the present disclosure, when opening the valve of sampling valve 5, the heat source inside sealing cover 2 is leaked
When radioactive substance can diffuse to leak hunting aperture, the leak hunting aperture other end is sealed by the circle of rubber 0 and blank flange, when mechanical environment tries
After testing, the valve of sampling valve 5 is closed, the blank flange above leak hunting aperture is removed, it can be according to leak hunting aperture in sealing cover 2
The heat source leak case in portion makes detection and judgement.
Fig. 2 diagrammatically illustrates the heat source mechanics of the dynamic environmental test fixture based on heat source of embodiment of the present disclosure offer
The operational flowchart of environmental test.As shown in Fig. 2, the dynamic environmental test that the fixture based on the disclosure carries out heat source specifically includes
It operates below:
Isotope heat source is packed into support base 3 by band 4 with method of clamping, then to be applied by band bolt 7 by S1
Add a screw-down torque (such as 20Nm) that isotope heat source is fixed in support base 3；
S2, cover top cover labyrinth, then every a predetermined time (such as 5min) to isotope heat source surface and chucking surface
Temperature measurement is carried out, after thermal balance to be achieved, is carried out according to screw-down torque of the screw-down torque (i.e. 20Nm) to band bolt 7
Confirmation；
Isotope heat source is transferred on dynamic environmental test equipment table top by S3 together with fixture, and by pedestal 1
Fixture is mounted on dynamic environmental test equipment table top by 8 dormant bolts, wherein fixture and dynamic environmental test equipment table top
Coupling torque be, for example, 120Nm；
S4 opens the valve of sampling valve 5, installs RUBBER O circle and blank flange；
S5, installs acceleration transducer and starts mechanics environmental test equipment, applies mechanics by the direction of setting and size
Load；
S6 after the completion of test, closes the valve of sampling valve 5, removes the blank flange above leak hunting aperture, carries out to leak hunting aperture
Sample detection, judges whether fixture leaks according to testing result, specifically, detects a count level, without exception when examining
Afterwards, sealing cover 2 is opened, isotope heat source is unloaded from fixture.
During above-mentioned test, the mechanics sensor mechanical loading curve collected at isotope heat source is in test determination
Range of tolerable variance within, mechanical loading transmitting it is undistorted.
So far, attached drawing is had been combined the embodiment of the present disclosure is described in detail.It should be noted that in attached drawing or saying
In bright book text, the implementation for not being painted or describing is form known to a person of ordinary skill in the art in technical field, and
It is not described in detail.In addition, the above-mentioned definition to each element and method be not limited in mentioning in embodiment it is various specific
Structure, shape or mode, those of ordinary skill in the art simply can be changed or be replaced to it.
It should also be noted that, the direction term mentioned in embodiment, for example, "upper", "lower", "front", "rear", " left side ",
" right side " etc. is only the direction with reference to attached drawing, not is used to limit the protection scope of the disclosure.Through attached drawing, identical element by
Same or similar appended drawing reference indicates.When may cause understanding of this disclosure and cause to obscure, conventional structure will be omitted
Or construction.
And the shape and size of each component do not reflect actual size and ratio in figure, and only illustrate the embodiment of the present disclosure
Content.In addition, in the claims, any reference symbol between parentheses should not be configured to the limit to claim
System.
It unless there are known entitled phase otherwise anticipates, the numerical parameter in this specification and appended claims is approximation, energy
Enough bases pass through the resulting required characteristic changing of content of this disclosure.Specifically, all be used in specification and claim
The middle content for indicating composition, the number of reaction condition etc., it is thus understood that repaired by the term of " about " in all situations
Decorations.Under normal circumstances, the meaning expressed refers to include by specific quantity ± 10% variation in some embodiments, some
± 5% variation in embodiment, ± 1% variation in some embodiments, in some embodiments ± 0.5% variation.
Furthermore word "comprising" does not exclude the presence of element or step not listed in the claims.It is located in front of the element
Word "a" or "an" does not exclude the presence of multiple such elements.
The word of ordinal number such as " first ", " second ", " third " etc. used in specification and claim, with modification
Corresponding element, itself is not meant to that the element has any ordinal number, does not also represent the suitable of a certain element and another element
Sequence in sequence or manufacturing method, the use of those ordinal numbers are only used to enable an element and another tool with certain name
Clear differentiation can be made by having the element of identical name.
In addition, unless specifically described or the step of must sequentially occur, there is no restriction in the above institute for the sequence of above-mentioned steps
Column, and can change or rearrange according to required design.And above-described embodiment can be based on the considerations of design and reliability, that
This mix and match is used using or with other embodiments mix and match, i.e., the technical characteristic in different embodiments can be freely combined
Form more embodiments.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each open aspect,
Above in the description of the exemplary embodiment of the disclosure, each feature of the disclosure is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
The disclosure of shield requires features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, open aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as the separate embodiments of the disclosure.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of dynamic environmental test fixture of heat source, comprising:
Pedestal (1)；
Sealing cover (2) forms sealed environment with the pedestal (1), for being sealed protection to the heat source；
Support base (3) is arranged on the pedestal (1)；
Band (4) is arranged on the support base (3), and the heat source is fixed between the support base (3) and band (4)；
Sampling valve (5) is arranged on the top of the sealing cover (2), and the sampling valve (5) is provided with leak hunting aperture.
2. the dynamic environmental test fixture of heat source according to claim 1, wherein the sealing cover (2) and the pedestal
(1) aluminium washer is provided between.
3. the dynamic environmental test fixture of heat source according to claim 1, wherein the fixture further includes bolt (6), institute
It states bolt (6) and connects the pedestal (1), sealing cover (2) and aluminium washer, for the sealing cover (2) to be fixed on the pedestal
(1) on.
4. the dynamic environmental test fixture of heat source according to claim 3, wherein the quantity of the bolt (6) is no less than 3
It is a.
5. the dynamic environmental test fixture of heat source according to claim 1, wherein the support base (3) is welded on described
On pedestal (1).
6. the dynamic environmental test fixture of heat source according to claim 1, wherein clamped by the band (4) by institute
It states heat source to be arranged on the support base (3), and is fixed the heat source by applying a default torque on band bolt (7)
On the support base (3).
7. the dynamic environmental test fixture of heat source according to claim 1, wherein the pedestal (1) and sealing cover (2)
Material is 1Cr18Ni9Ti stainless steel.
8. the dynamic environmental test fixture of heat source according to claim 1, wherein the leak hunting aperture connects the sealing cover
(2) inside and external environment.
9. the dynamic environmental test fixture of heat source according to claim 1, wherein setting RUBBER O circle and blank flange with
The leak hunting aperture is sealed.
10. a kind of application method of the dynamic environmental test fixture of heat source, wherein the described method includes:
The heat source is fitted into support base (3) by the band (4) of the fixture, it is default to apply one on band bolt (7)
The heat source is fixed in the support base (3) after screw-down torque；
After the heat source surface and the chucking surface reach thermal balance, the screw-down torque of the band bolt (7) is determined；
It is mounted on dynamic environmental test equipment table top with presetting coupling torque for the fixture containing the heat source, and with setting side
Apply mechanical loading to the fixture to size；
After the completion of test, detection is sampled to leak hunting aperture, judges whether the fixture leaks according to testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811652615.7A CN109406266A (en) | 2018-12-29 | 2018-12-29 | The dynamic environmental test fixture of heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811652615.7A CN109406266A (en) | 2018-12-29 | 2018-12-29 | The dynamic environmental test fixture of heat source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109406266A true CN109406266A (en) | 2019-03-01 |
Family
ID=65461788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811652615.7A Pending CN109406266A (en) | 2018-12-29 | 2018-12-29 | The dynamic environmental test fixture of heat source |
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| Country | Link |
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| CN (1) | CN109406266A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354895Y (en) * | 1999-01-22 | 1999-12-22 | 大庆石油管理局第四采油厂 | Separate containers for radiative isotopic resources |
| US7458253B2 (en) * | 2002-03-22 | 2008-12-02 | Ricoh Company, Ltd. | Method for evaluating fixing member and fixing belt and thermal fixing roller |
| CN201476943U (en) * | 2009-06-26 | 2010-05-19 | 厦门永裕机械工业有限公司 | Seal detection clamp of sealed container |
| CN202221396U (en) * | 2011-08-22 | 2012-05-16 | 中国核动力研究设计院 | Sealing device for internal pressure blasting test of radioactive metal tube |
| CN106248333A (en) * | 2016-10-09 | 2016-12-21 | 中国工程物理研究院总体工程研究所 | A kind of vibration test fixture device with sealing function |
| CN207602237U (en) * | 2017-08-24 | 2018-07-10 | 中广核工程有限公司 | For the screening glove case of nuclear power station radioactive liquid sampling |
-
2018
- 2018-12-29 CN CN201811652615.7A patent/CN109406266A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354895Y (en) * | 1999-01-22 | 1999-12-22 | 大庆石油管理局第四采油厂 | Separate containers for radiative isotopic resources |
| US7458253B2 (en) * | 2002-03-22 | 2008-12-02 | Ricoh Company, Ltd. | Method for evaluating fixing member and fixing belt and thermal fixing roller |
| CN201476943U (en) * | 2009-06-26 | 2010-05-19 | 厦门永裕机械工业有限公司 | Seal detection clamp of sealed container |
| CN202221396U (en) * | 2011-08-22 | 2012-05-16 | 中国核动力研究设计院 | Sealing device for internal pressure blasting test of radioactive metal tube |
| CN106248333A (en) * | 2016-10-09 | 2016-12-21 | 中国工程物理研究院总体工程研究所 | A kind of vibration test fixture device with sealing function |
| CN207602237U (en) * | 2017-08-24 | 2018-07-10 | 中广核工程有限公司 | For the screening glove case of nuclear power station radioactive liquid sampling |
Non-Patent Citations (1)
| Title |
|---|
| 鲁亮 等: ""同位素热源高温-冲击复合环境试验"", 《深空探测学报》 * |
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Application publication date: 20190301 |