CN106769587A - A kind of many sample abrasion test devices - Google Patents
A kind of many sample abrasion test devices Download PDFInfo
- Publication number
- CN106769587A CN106769587A CN201710113746.7A CN201710113746A CN106769587A CN 106769587 A CN106769587 A CN 106769587A CN 201710113746 A CN201710113746 A CN 201710113746A CN 106769587 A CN106769587 A CN 106769587A
- Authority
- CN
- China
- Prior art keywords
- sample holder
- sample
- quiet
- autoclave
- dynamic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0035—Spring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
- G01N2203/0232—High pressure
Abstract
The present invention provides a kind of many sample abrasion test devices, and it includes autoclave, sample holder, quiet sample holder, loading spring, flexible hinge, sample holder mounting bracket and drive rod；The sample holder includes quiet sample holder and dynamic sample holder；The quiet sample holder, quiet sample holder and loading spring are arranged in the autoclave, and the lid of the autoclave is passed using the drive rod being connected with the dynamic sample holder, and driving force is provided with for the dynamic sample holder；The sample holder is arranged in the autoclave by sample holder mounting bracket.Many sample abrasion test devices that the present invention is provided, may be implemented in the wear test under HTHP solution environmental, test efficiency is improved by once mounting multiple sample mode, by using spring sample Loading Control in autoclave is simplified for quiet sample is loaded, the Bit andits control to fricting movement, and displacement and the measurement of frictional force are realized by way of measuring displacement and load on autoclave external drive bar.
Description
Technical field
It is more particularly to a kind of many under HTHP water environment the present invention relates to a kind of many sample abrasion test devices
Sample abrasion test device.
Background technology
Design of nuclear power plant long lifespan, construction cost is high, and the more possibility under HTHP water environment is employed in design
The structure of the relative displacement of generation, such as steam generator, fuel assembly, CRDM, C＆P systems, structure in heap
Part etc..These components form many friction pairs in order to be fixed, in mounting structure, for example, steam generator heat-transfer pipe with it is anti-
Shake bar, heat-transfer pipe drives with heat transfer tube support plate, fuel tube and grid spacer, control rod and control rod guide tube, control rod
Mechanism hooks and drive shaft, in-pile component and support base etc., these friction pairs are present under HTHP water environment, friction
The parameters such as rate of depreciation, frictional resistance between pair are the important indicators for influenceing Nuclear Power Plant Equipment life-span and safety in operation,
It is the content of the test that must be measured when design and construction nuclear power plant.
At present, existing abrasion tester is designed mainly for low temperature, without the experimental enviroment of pressure medium, few energy
Enough abrasion testers that wear test is carried out under HTHP water environment.Due to the water environment of HTHP or other
Under solution environmental, common metal material has the phenomenons such as different degrees of oxidation, corrosion, in Surface Creation oxide, or
The other types of corrosion product of person, physical property and the matrix material of these corrosion products have larger difference, can also significantly affect
The frictional behavior of friction pair, and then influence coefficient of friction, rate of depreciation.Therefore, prior art cannot be met in similar simulation core
The requirement of wear test is carried out under power plant's HTHP solution environmental.Want to carry out wear test under high temperature and high pressure environment, need
Overcome three major issues：
First, drive actions input, the high pressure sealing of drive rod and displacement, the load of sample are moved under high temperature and high pressure environment
Measurement with control；
2nd, the positioning of quiet sample, loading and load measurement in autoclave；
3rd, autoclave operation program is complicated, and operating cost is high, it is necessary to consider wear test effect under HTHP solution environmental
Rate problem.
The content of the invention
The present invention in view of the shortcomings of the prior art, proposes a kind of many sample abrasion test devices.
The present invention provides a kind of many sample abrasion test devices, and it includes autoclave, sample holder, quiet sample holder, loading bullet
Spring, flexible hinge, sample holder mounting bracket and drive rod；The sample holder includes quiet sample holder and dynamic sample holder；The quiet sample
Seat, quiet sample holder and loading spring are arranged in the autoclave, are worn using the drive rod being connected with the dynamic sample holder
Go out the lid of the autoclave, driving force is provided with for the dynamic sample holder；The sample holder is arranged on by sample holder mounting bracket
In the autoclave.
Preferably, the autoclave forms a high pressure border for test(ing) medium solution；The high-pressure pump and counterbalance valve are protected
Cycle of higher pressure medium solution environment is held, or using the high pressure of self-assembling formation after aqueous medium intensification, forms static high pressure ring
Border.
Preferably, the drive rod is using the general plug sealing ring sealing of polytetrafluoroethylene (PTFE).
Preferably, the quiet sample holder is fixed in the autoclave by the flexible hinge processed using thin plate
On support, loaded to friction pair by spring using the quiet sample holder.
Preferably, the mounting means of the spring is that correspondence quiet sample center is arranged on during using a spring, is adopted
It is distributed with quiet sample Central Symmetry during with two or four springs；The spring should match using with surrounding medium and temperature
Material is manufactured.
Preferably, the dynamic sample holder is integrated design, can install multiple dynamic samples, each described quiet examination in tetragonal symmetry
Sample seat is designed for stand-alone assembly, and a quiet sample is installed on each described quiet sample holder, corresponds to each dynamic sample, forms friction
It is secondary；Dynamic sample and quiet sample are respectively adopted two sides and tetragonal symmetry is installed, every time experiment friction pair installation number be even number, i.e., 2,
4th, 6,8 ..., Fig. 1 is designed for the abrasion mechanism of 8 friction pair samples of once mounting.
Preferably, the moving displacement and frictional resistance of the dynamic sample holder are passed by the displacement outside the autoclave
Sensor and load transducer are measured.
Preferably, it is necessary to be reset to load transducer in the case where high temperature and pressure test operating mode is heated to during friction measurement；
, it is necessary to using the movement velocity of lower frequency during operation, to obtain kinematics and static friction power；Need to be measured without under sample conditions
Spaceborne system frictional force.
Preferably, abrasion mechanism driving head can be passed through using drivers such as electromagnetic driver, servo-driver or camshafts
Displacement transducer carries out motion control, and the frictional force in motion process is measured by load transducer.
Compared with prior art, the invention has the advantages that：
1st, many sample abrasion test devices that the present invention is provided, are mainly used in the steam generator heat transfer of PWR nuclear power plant
The mechanism such as pipe, cladding nuclear fuels pipe, control rod cladding tubes, CRDM hook is under simulation nuclear power plant running environment
Wear test, it is also possible to for the wear test of the equipment part under liquid solution state of other industries.
2nd, many sample abrasion test devices that the present invention is provided, may be implemented in the abrasion examination under HTHP solution environmental
Test, test efficiency is improved by once mounting multiple sample mode, autoclave is simplified for quiet sample is loaded by using spring
Interior sample Loading Control, is realized to fricting movement by way of measuring displacement and load on autoclave external drive bar
Bit andits control, and displacement and the measurement of frictional force.
Brief description of the drawings
Fig. 1 is the structure sectional view of many sample abrasion test devices for meeting the preferred embodiment of the present invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
As shown in figure 1, many sample abrasion test devices of the invention include dynamic sample holder 2, quiet sample holder 5, flexible hinge 4,
Loading spring 6, spring bearer plate 9, sample holder mounting bracket 3, column 11, displacement transducer 18 and 19, autoclave kettle 1, autoclave
Kettle cover 14, autoclave sealing ring 12, drive rod 13, drive rod sealing ring 15 and other parts.Dynamic and static sample holder, loading spring,
Flexible connection piece, sample holder mounting bracket etc. are arranged in autoclave.
Autoclave kettle 1, kettle cover 14 and autoclave sealing ring 12, drive rod sealing ring 15, drive rod sealing ring cover plate 16,
And the pipe joint installed on kettle cover forms pressure boundary, autoclave inner high voltage environment during remaining on.In autoclave
Pressure can be kept using two ways, and one is combined with counterbalance valve with high-pressure pump, form a kind of circulatory mediator environment, be realized dynamic
State circulates autoclave test environment；Heating in two natural principles boosted when being and being heated up in closed container according to water, autoclave
Static high pressure pot experimental enviroment is formed afterwards.
It is dynamic to be threadedly coupled between sample holder 2 and drive rod 13, locked with locking nut, the dynamic sample for installing friction pair
7, driven by drive rod 13, from outside input abrasion drive actions.Displacement biography is respectively fixed with drive rod and high pressure kettle cover 14
Sensor (such as LVDT) fixing device iron core connecting plate 17 and coil geometrical clamp 20, fix the iron core 18 and coil of LVDT respectively
19.According to actual installation needs, it is also possible to the coil of LVDT is fixed on into autoclave and is covered, iron core is fixed on drive rod.
The dynamic sample holder 2 of the present invention is the integrated design, and the dynamic sample 7 of even number number is installed around drive shaft tetragonal symmetry,
Display can install 16 samples on Fig. 1.
Four root posts 11 and the quiet sample holder mounting bracket 3 of 2~multi-disc constitute the installation alignment system of quiet sample holder, mounting bracket
3 movement guide mechanisms for also serving as dynamic sample holder 2 simultaneously, it is ensured that dynamic sample holder 2 gives motion side in the drive lower edge of drive rod
Formula moves back and forth.
Quiet sample holder 5 is bolted with quiet sample holder mounting bracket 3 by flexible hinge 4 and is connected, it is ensured that flexible hinge
Plane is parallel with the traffic direction of dynamic sample holder 2, so that ensure that flexible hinge is fixed in the dynamic sample holder direction of motion, and in bullet
On spring loading direction freely.Flexible hinge 4 is made using the thin plate of 0.1~0.6mm thickness, according to the magnitude of load on quiet sample
Selection lamella thickness and flexible hinge neck size.So, both can guarantee that quiet sample moved the fixation of direction of principal axis in dynamic sample, and
Can guarantee that the load of spring is fully loaded on quiet sample.
After drive rod 13 stretches out autoclave, it is connected with drive device by load transducer, load sensing is not drawn into Fig. 1
Device and drive device schematic diagram.Load transducer can meet the sensing of test requirements document using S types, spoke type or other types
Device, drive device can realize given motion using Electromagnetic Drive head, electro-hydraulic servo, mechnical servo or cam mechanism.
Compared with prior art, the present embodiment has the advantages that：
1st, many sample abrasion test devices that the present embodiment is provided, the steam generator for being mainly used in PWR nuclear power plant is passed
The mechanisms such as heat pipe, cladding nuclear fuels pipe, control rod cladding tubes, CRDM hook are under simulation nuclear power plant running environment
Wear test, it is also possible to for the wear test of the equipment part under liquid solution state of other industries.
2nd, many sample abrasion test devices that the present embodiment is provided, may be implemented in the abrasion examination under HTHP solution environmental
Test, test efficiency is improved by once mounting multiple sample mode, autoclave is simplified for quiet sample is loaded by using spring
Interior sample Loading Control, is realized to fricting movement by way of measuring displacement and load on autoclave external drive bar
Bit andits control, and displacement and the measurement of frictional force.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Those skilled in the art can realize described function to each specific application using distinct methods, but
It is this realization it is not considered that beyond the scope of this invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from spirit of the invention to invention
And scope.So, if these modifications of the invention and modification belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including including these changes and modification.
Claims (9)
1. a kind of many sample abrasion test devices, it is characterised in that including autoclave, sample holder, quiet sample holder, loading spring,
Flexible hinge, sample holder mounting bracket and drive rod；The sample holder includes quiet sample holder and dynamic sample holder；The quiet sample holder,
Quiet sample holder and loading spring are arranged in the autoclave, and institute is passed using the drive rod being connected with the dynamic sample holder
The lid of autoclave is stated, driving force is provided with for the dynamic sample holder；The sample holder is arranged on described by sample holder mounting bracket
In autoclave.
2. many sample abrasion test devices as claimed in claim 1, it is characterised in that the autoclave forms an experiment and is situated between
The high pressure border of matter solution；The high-pressure pump and counterbalance valve keep cycle of higher pressure medium solution environment, or are situated between using the aqueous solution
The high pressure of self-assembling formation, forms static high pressure environment after matter intensification.
3. many sample abrasion test devices as claimed in claim 1, it is characterised in that the drive rod uses polytetrafluoroethylene (PTFE)
General plug sealing ring sealing.
4. many sample abrasion test devices as claimed in claim 1, it is characterised in that the quiet sample holder is by using thin plate
The flexible hinge for processing is fixed on the support in the autoclave, using the quiet sample holder by spring to friction pair
Loading.
5. many sample abrasion test devices as claimed in claim 4, it is characterised in that the mounting means of the spring is to make
Correspondence quiet sample center is arranged on during with a spring, is divided with quiet sample Central Symmetry when using two or four springs
Cloth；The spring should be manufactured using the material matched with surrounding medium and temperature.
6. many sample abrasion test devices as claimed in claim 1, it is characterised in that the dynamic sample holder is integrated design,
Multiple dynamic samples can be installed in tetragonal symmetry, each described quiet sample holder is designed for stand-alone assembly, on each described quiet sample holder
One quiet sample is installed, each dynamic sample is corresponded to, friction pair is formed；Dynamic sample and quiet sample are respectively adopted two sides and tetragonal symmetry
Install, experiment friction pair installation number is even number every time.
7. many sample abrasion test devices as claimed in claim 1, it is characterised in that the moving displacement of the dynamic sample holder and
Frictional resistance is measured by the displacement transducer outside the autoclave and load transducer.
8. many sample abrasion test devices as claimed in claim 7, it is characterised in that, it is necessary in heating during friction measurement
Load transducer is reset under to high temperature and pressure test operating mode；Operationally, it is necessary to using the movement velocity of lower frequency, to obtain
Obtain kinematics and static friction power；Need without measurement spaceborne system frictional force under sample conditions.
9. many sample abrasion test devices as claimed in claim 1, it is characterised in that abrasion mechanism driving head can use electromagnetism
The drivers such as driver, servo-driver or camshaft, motion control is carried out by displacement transducer, is surveyed by load transducer
Frictional force in amount motion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113746.7A CN106769587A (en) | 2017-02-28 | 2017-02-28 | A kind of many sample abrasion test devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113746.7A CN106769587A (en) | 2017-02-28 | 2017-02-28 | A kind of many sample abrasion test devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106769587A true CN106769587A (en) | 2017-05-31 |
Family
ID=58960146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710113746.7A Pending CN106769587A (en) | 2017-02-28 | 2017-02-28 | A kind of many sample abrasion test devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN106769587A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578830A (en) * | 2017-08-21 | 2018-01-12 | 苏州热工研究院有限公司 | A kind of CRDM hooks performance fast testing system |
| CN109238889A (en) * | 2018-08-30 | 2019-01-18 | 上海交通大学 | Fretting wear experimental rig and system |
| CN113252486A (en) * | 2021-04-16 | 2021-08-13 | 同济大学 | Valve ball series-parallel connection loading driving device based on piezoelectric actuator |
| US11422078B2 (en) * | 2018-05-25 | 2022-08-23 | Halliburton Energy Services, Inc. | Testing wear resistance in representative downhole conditions |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578830A (en) * | 2017-08-21 | 2018-01-12 | 苏州热工研究院有限公司 | A kind of CRDM hooks performance fast testing system |
| US11422078B2 (en) * | 2018-05-25 | 2022-08-23 | Halliburton Energy Services, Inc. | Testing wear resistance in representative downhole conditions |
| CN109238889A (en) * | 2018-08-30 | 2019-01-18 | 上海交通大学 | Fretting wear experimental rig and system |
| CN109238889B (en) * | 2018-08-30 | 2020-05-22 | 上海交通大学 | Fretting wear test device and system |
| CN113252486A (en) * | 2021-04-16 | 2021-08-13 | 同济大学 | Valve ball series-parallel connection loading driving device based on piezoelectric actuator |
| CN113252486B (en) * | 2021-04-16 | 2022-09-20 | 同济大学 | Valve ball series-parallel connection loading driving device based on piezoelectric actuator |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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| CB02 | Change of applicant information |