CN108195665A - For the extensometer of high temperature single shaft experiment - Google Patents
For the extensometer of high temperature single shaft experiment Download PDFInfo
- Publication number
- CN108195665A CN108195665A CN201810229370.0A CN201810229370A CN108195665A CN 108195665 A CN108195665 A CN 108195665A CN 201810229370 A CN201810229370 A CN 201810229370A CN 108195665 A CN108195665 A CN 108195665A
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- CN
- China
- Prior art keywords
- plate
- high temperature
- upper junction
- spring piece
- single shaft
- Prior art date
- 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
- G01N3/02—Details
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
-
- 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
Abstract
The present invention relates to a kind of extensometers for high temperature single shaft experiment, it is characterised in that：Upper body plate is arranged in parallel with lower body plate, ceramic thimble is fixedly mounted respectively in the front end of upper body plate and lower body plate, it is corresponded to respectively in the tail portion of upper body plate and lower body plate and upper junction plate and lower connecting plate is fixedly mounted, the two connecting spring piece of right angle setting between the upper junction plate and lower connecting plate, strain spring piece is horizontally mounted between the upper junction plate and lower connecting plate, the front end of the strain spring piece connects lower connecting plate by spring supporting block, the tail portion of strain spring piece is connected to upper junction plate by U-type groove, the both sides of the upper junction plate and lower connecting plate are installed with side plate, the tail portion of the upper junction plate and lower connecting plate is installed with shell.The design of the invention is scientific and reasonable, and topology layout is compact, can ensure the normal use of extensometer under the high temperature conditions, avoid external environmental interference, and ensures the experimental data accuracy of extensometer.
Description
Technical field
The invention belongs to the experimental technique fields of material properties test, are related to extensometer, more particularly to a kind of to be used for high temperature
The extensometer of uniaxial tests.
Background technology
Extensometer is to measure a kind of test apparatus that line deforms between 2 points of sample or other objects, and the purpose is to measure material
Expect the practical mechanical property under specific operation, high temperature is a kind of common operating mode.The thimble of common extensometer can not
Higher temperature is born, while the measuring cell of extensometer is vulnerable to temperature influence under high temperature environment, generates larger error.
Thus, it is desirable to have a kind of technical solution is realized under high temperature environment to the deformation of length of testee axial direction
Accurately and effectively measured.
By the retrieval to patent document, the patent document identical with present patent application is not found.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide it is a kind of for high temperature single shaft experiment extensometer,
Can realize testee under the high temperature conditions axial direction deformation of length measure.
The present invention solves its technical problem and is achieved through the following technical solutions：
A kind of extensometer for high temperature single shaft experiment, it is characterised in that：Including upper body plate, lower body plate, ceramics top
Needle, upper junction plate, lower connecting plate, connecting spring piece and strain spring piece, the upper body plate are arranged in parallel with lower body plate,
Ceramic thimble is fixedly mounted in the front end of upper body plate and lower body plate respectively, right respectively in the tail portion of upper body plate and lower body plate
Upper junction plate and lower connecting plate should be fixedly mounted, two connecting spring of right angle setting between the upper junction plate and lower connecting plate
Piece, is horizontally mounted strain spring piece between the upper junction plate and lower connecting plate, and the front end of the strain spring piece passes through bullet
Spring supporting block connects lower connecting plate, and the tail portion of strain spring piece is connected to upper junction plate by U-type groove, the upper junction plate and under
The both sides of connecting plate are installed with side plate, and the tail portion of the upper junction plate and lower connecting plate is installed with shell.
Moreover, the ceramics thimble is installed in the made half slot of body plate, lower fuselage front edge of board, and pass through baffle
Carry out clamping fixation.
Moreover, the baffle is minor arc bridge shape baffle.
Moreover, the tail portion lower surface of the strain spring piece is provided with compact heap.
Moreover, it is installed with collision prevention girders on the left of the compact heap.
Moreover, the front end upper surface of the strain spring piece is provided with anticollison block.
Moreover, the tail portion rear surface of the upper junction plate is provided with rib slot, the tail portion lower surface setting of the upper junction plate
There is conductor grip.
Moreover, temperature blocking board after L-shaped is installed between the upper junction plate and the front end of lower connecting plate.
Moreover, temperature blocking board before double L-shaped is installed between the upper body plate and the front end of lower fuselage.
Moreover, the both ends of the connecting spring piece are both provided with spring lock block.
The advantages of the present invention are：
1st, the present invention is for the extensometer of high temperature single shaft experiment, and upper body plate is arranged in parallel with lower body plate, in upper fuselage
Ceramic thimble is fixedly mounted in the front end of plate and lower body plate respectively, in the corresponding fixation respectively of the tail portion of upper body plate and lower body plate
Upper junction plate and lower connecting plate, the two connecting spring piece of right angle setting between upper junction plate and lower connecting plate, in upper connection are installed
Strain spring piece is horizontally mounted between plate and lower connecting plate, the front end of strain spring piece connects lower connect by spring supporting block
Plate, the tail portion of strain spring piece are connected to upper junction plate by U-type groove, and the both sides of upper junction plate and lower connecting plate are installed with
The tail portion of side plate, upper junction plate and lower connecting plate is installed with shell, and side plate and shell can play high temperature to extensometer to be prevented
Shield acts on, and ensures extensometer normal operation in a high temperauture environment, ensures length shape of the strain spring piece to sample axial direction
Become the accurate measurement measured, it is ensured that measurement effect.
2nd, the extensometer that the present invention tests for high temperature single shaft, ceramic thimble are installed in body plate, lower fuselage front edge of board
In made half slot, and pass through minor arc bridge shape baffle and carry out clamping fixation, ceramic thimble can be fixed on body plate, do not sent out
Raw circumferential and axial displacement, enables fuselage that displacement to be accurately forwarded to connecting plate, should on flat spring so as to cause straining
Become precise acquisition of the piece to deflection.
3rd, the extensometer that the present invention tests for high temperature single shaft, the tail portion lower surface of strain spring piece are provided with compact heap,
Pressuring action is played to strain spring leaf, ensures the accurate measurement of deflection.
4th, the present invention is used for the extensometer of high temperature single shaft experiment, and collision prevention girders are installed on the left of compact heap, strains bullet
The front end upper surface of reed is provided with anticollison block, avoid take or experimental implementation middle fuselage plate occur over-large displacement and cause should
Become piece damage or plastic deformation failure, ensure data accuracy.
5th, for the present invention for the extensometer of high temperature single shaft experiment, the tail portion rear surface of upper junction plate is provided with rib slot, described
The tail portion lower surface of upper junction plate is provided with conductor grip, and strain spring on piece pastes foil gauge processed, and foil gauge is connected to by conducting wire
Host computer, conducting wire pass through rib slot and pass through conductor grip and be fixed, avoid in use, since the shaking of conducting wire causes to survey
The stability of DATA REASONING is greatly improved in the fluctuation of numerical quantity.
6th, the present invention is fixedly mounted for the extensometer of high temperature single shaft experiment between upper junction plate and the front end of lower connecting plate
Have temperature blocking board after L-shaped, to upper junction plate and under be connected between the connecting spring piece installed and strain spring piece play protection and make
With spring leaf measurement is prevented during high-temperature operation error occur, ensures experimental result accuracy.
7th, the present invention is installed with for the extensometer of high temperature single shaft experiment between upper body plate and the front end of lower fuselage
Temperature blocking board before double L-shaped plays high temperature protection protection, ensures the normal use under extensometer hot conditions.
8th, for the present invention for the extensometer of high temperature single shaft experiment, the both ends of connecting spring piece are both provided with spring lock block, right
Connecting spring piece plays pressuring action, ensures its connective stability.
9th, the design of the invention is scientific and reasonable, and topology layout is compact, can ensure that extensometer under the high temperature conditions normal makes
With avoiding external environmental interference, and ensure the experimental data accuracy of extensometer.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure diagram (removing shell, side plate and each temperature blocking board) of the present invention；
Fig. 3 is the extensometer tail portion enlarged drawing of the present invention.
Reference sign
Temperature blocking board, the upper body plates of 4-, 5- upper junction plates, 6- after temperature blocking board, 2- minor arc bridge shapes baffle, 3-L shapes before 1- second
Under spring lock block, 7- bolts, 8- side plates, 9- connecting springs piece, 10- shells, 11- lower connecting plates, 12- before body plate, 13- first
Temperature blocking board, 14- ceramics thimble, 15- anticollison blocks, 16-U type grooves, 17- strain springs piece, 18- conductor grips, 19- collision prevention girders, 20- pressures
Tight block, 21- spring supportings block, 22- rib slots.
Specific embodiment
Below by specific embodiment, the invention will be further described, and following embodiment is descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
A kind of extensometer for high temperature single shaft experiment, innovation are：Including upper body plate 4, lower body plate 12,
Ceramic thimble 14, upper junction plate 5, lower connecting plate 11, connecting spring piece 9 and strain spring piece 17, upper body plate and lower body plate
It is arranged in parallel, ceramic thimble is fixedly mounted respectively in the front end of upper body plate and lower body plate, in upper body plate and lower body plate
Tail portion it is corresponding respectively upper junction plate and lower connecting plate is fixedly mounted, right angle setting two connects between upper junction plate and lower connecting plate
Spring leaf is connect, strain spring piece is horizontally mounted between upper junction plate and lower connecting plate, strain spring on piece pastes foil gauge processed, should
Foil gauge is connected to host computer by conducting wire, and the front end of strain spring piece connects lower connecting plate, strain by spring supporting block 21
The tail portion of spring leaf is connected to upper junction plate by U-type groove 16, and the both sides of upper junction plate and lower connecting plate are installed with side plate
8, the tail portion of upper junction plate and lower connecting plate is installed with shell 10 by bolt 7, and side plate and shell can play extensometer
It is acted on to high temperature protection, ensures extensometer normal operation in a high temperauture environment, ensure strain spring piece to sample axial direction
Deformation of length measure accurate measurement, it is ensured that measurement effect.
Ceramic thimble is installed in the made half slot of body plate, lower fuselage front edge of board, and passes through minor arc bridge shape baffle 2
Clamping fixation is carried out, ceramic thimble can be fixed on body plate, circumferential and axial displacement does not occur, enables fuselage by displacement
Amount is accurately forwarded to connecting plate, so as to cause foil gauge on strain flat spring to the precise acquisition of deflection.
The tail portion lower surface of strain spring piece is provided with compact heap 20, plays pressuring action to strain spring leaf, ensures to become
The accurate measurement of shape amount.
Collision prevention girders 19 are installed on the left of compact heap, the front end upper surface of strain spring piece is provided with anticollison block 15,
Avoid take or experimental implementation middle fuselage plate occur over-large displacement and cause foil gauge damage or plastic deformation failure, ensure number
According to accuracy.
The tail portion rear surface of upper junction plate is provided with rib slot 22, and the tail portion lower surface of upper junction plate is provided with conductor grip 18,
Strain spring on piece pastes foil gauge processed, and foil gauge is connected to host computer by conducting wire, conducting wire pass through rib slot and pass through conductor grip into
Row is fixed, and avoids in use, since the shaking of conducting wire leads to the fluctuation of measured value, the steady of DATA REASONING being greatly improved
It is qualitative.
Temperature blocking board 3 after L-shaped is installed between upper junction plate and the front end of lower connecting plate, to upper junction plate and lower connection
The connecting spring piece and strain spring piece installed between play a protective role, and prevent spring leaf measurement during high-temperature operation from missing
Difference ensures experimental result accuracy.
Be installed with temperature blocking board before double L-shaped between the front end of upper body plate and lower fuselage, before double L-shaped temperature blocking board include to
Before the first of outer bending temperature blocking board 13 and bend inwards second before temperature blocking board 1, play high temperature protection protection, ensure that extensometer is high
Normal use under the conditions of temperature.
The both ends of connecting spring piece are both provided with spring lock block 6, play pressuring action to connecting spring piece, ensure its connection
Stability.
During work, experimental machine applies external force, makes sample that axial deformation occur, then the ceramic thimble of the two of extensometer and examination
Distance between sample contact point changes, and since ceramic thimble is relatively fixed with fuselage and connecting plate, the displacement of thimble can drive
The displacement of connecting plate and fuselage then deforms upon connecting spring piece and strain spring piece, sticks in strain spring on piece
Respective change occurs for foil gauge deformation therewith, the resistance of foil gauge, and corresponding electric signal is transmitted to host computer by extraction wire,
It completes to measure work.
Although disclosed the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can manage
Solution, do not departing from the present invention and spirit and scope of the appended claims in, it is various replace, change and modification be all it is possible,
Therefore the scope of the present invention is not limited to embodiment and attached drawing disclosure of that.
Claims (10)
1. a kind of extensometer for high temperature single shaft experiment, it is characterised in that：Including upper body plate, lower body plate, ceramic thimble,
Upper junction plate, lower connecting plate, connecting spring piece and strain spring piece, the upper body plate is arranged in parallel with lower body plate, upper
Ceramic thimble is fixedly mounted in the front end of body plate and lower body plate respectively, is corresponded to respectively in the tail portion of upper body plate and lower body plate
Fixed installation upper junction plate and lower connecting plate, the two connecting spring piece of right angle setting between the upper junction plate and lower connecting plate,
Strain spring piece is horizontally mounted between the upper junction plate and lower connecting plate, the front end of the strain spring piece passes through spring branch
Bracer connects lower connecting plate, and the tail portion of strain spring piece is connected to upper junction plate, the upper junction plate and lower connection by U-type groove
The both sides of plate are installed with side plate, and the tail portion of the upper junction plate and lower connecting plate is installed with shell.
2. the extensometer according to claim 1 for high temperature single shaft experiment, it is characterised in that：The ceramics thimble clamps
In in the made half slot of upper body plate, lower fuselage front edge of board, and pass through baffle and carry out clamping fixation.
3. the extensometer according to claim 2 for high temperature single shaft experiment, it is characterised in that：The baffle is minor arc bridge
Shape baffle.
4. the extensometer according to claim 1 for high temperature single shaft experiment, it is characterised in that：The strain spring piece
Tail portion lower surface is provided with compact heap.
5. the extensometer according to claim 4 for high temperature single shaft experiment, it is characterised in that：The left side of the compact heap
It is installed with collision prevention girders.
6. the extensometer according to claim 1 for high temperature single shaft experiment, it is characterised in that：The strain spring piece
Front end upper surface is provided with anticollison block.
7. the extensometer according to claim 1 for high temperature single shaft experiment, it is characterised in that：The tail of the upper junction plate
Portion's rear surface is provided with rib slot, and the tail portion lower surface of the upper junction plate is provided with conductor grip.
8. the extensometer according to claim 1 for high temperature single shaft experiment, it is characterised in that：The upper junction plate and under
Temperature blocking board after L-shaped is installed between the front end of connecting plate.
9. the extensometer according to claim 1 for high temperature single shaft experiment, it is characterised in that：The upper body plate and under
Temperature blocking board before double L-shaped is installed between the front end of fuselage.
10. the extensometer according to claim 1 for high temperature single shaft experiment, it is characterised in that：The connecting spring piece
Both ends be both provided with spring lock block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810229370.0A CN108195665B (en) | 2018-03-20 | 2018-03-20 | Extensometer for high Wen Shanzhou experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810229370.0A CN108195665B (en) | 2018-03-20 | 2018-03-20 | Extensometer for high Wen Shanzhou experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108195665A true CN108195665A (en) | 2018-06-22 |
| CN108195665B CN108195665B (en) | 2023-09-12 |
Family
ID=62596042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810229370.0A Active CN108195665B (en) | 2018-03-20 | 2018-03-20 | Extensometer for high Wen Shanzhou experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195665B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251918A (en) * | 1979-12-03 | 1981-02-24 | Duggan Michael F | Extensometer |
| CN1587970A (en) * | 2004-09-27 | 2005-03-02 | 天津大学 | High frequency responding high temperature drawing-twisting fatigue extender |
| CN1587971A (en) * | 2004-09-27 | 2005-03-02 | 天津大学 | High frequency responding high temperature single shaft fatigue extender |
| CN101650281A (en) * | 2009-09-22 | 2010-02-17 | 长安大学 | Extensometer having double-cantilever structure |
| CN203658172U (en) * | 2013-12-04 | 2014-06-18 | 王亚洲 | High-temperature-resistant strain type extensometer |
| CN105547837A (en) * | 2016-01-29 | 2016-05-04 | 中国石油大学(华东) | Brazing connector fracture toughness test apparatus |
| CN205449646U (en) * | 2015-12-30 | 2016-08-10 | 中国石油天然气集团公司 | Spring extensometer cantilever bar positioner and spring extensometer |
| CN106596286A (en) * | 2016-12-27 | 2017-04-26 | 中国南方航空工业(集团)有限公司 | Non-lateral force stable measurement device for high-temperature axial strain fatigue test |
| CN107044937A (en) * | 2017-04-13 | 2017-08-15 | 天津大学 | A kind of tension-torsion extensometer of ball bearing linkage |
-
2018
- 2018-03-20 CN CN201810229370.0A patent/CN108195665B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251918A (en) * | 1979-12-03 | 1981-02-24 | Duggan Michael F | Extensometer |
| CN1587970A (en) * | 2004-09-27 | 2005-03-02 | 天津大学 | High frequency responding high temperature drawing-twisting fatigue extender |
| CN1587971A (en) * | 2004-09-27 | 2005-03-02 | 天津大学 | High frequency responding high temperature single shaft fatigue extender |
| CN101650281A (en) * | 2009-09-22 | 2010-02-17 | 长安大学 | Extensometer having double-cantilever structure |
| CN203658172U (en) * | 2013-12-04 | 2014-06-18 | 王亚洲 | High-temperature-resistant strain type extensometer |
| CN205449646U (en) * | 2015-12-30 | 2016-08-10 | 中国石油天然气集团公司 | Spring extensometer cantilever bar positioner and spring extensometer |
| CN105547837A (en) * | 2016-01-29 | 2016-05-04 | 中国石油大学(华东) | Brazing connector fracture toughness test apparatus |
| CN106596286A (en) * | 2016-12-27 | 2017-04-26 | 中国南方航空工业(集团)有限公司 | Non-lateral force stable measurement device for high-temperature axial strain fatigue test |
| CN107044937A (en) * | 2017-04-13 | 2017-08-15 | 天津大学 | A kind of tension-torsion extensometer of ball bearing linkage |
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| Publication number | Publication date |
|---|---|
| CN108195665B (en) | 2023-09-12 |
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