CN204944932U - For the extensometer direct lever system of high temperature tension test - Google Patents
For the extensometer direct lever system of high temperature tension test Download PDFInfo
- Publication number
- CN204944932U CN204944932U CN201520702560.1U CN201520702560U CN204944932U CN 204944932 U CN204944932 U CN 204944932U CN 201520702560 U CN201520702560 U CN 201520702560U CN 204944932 U CN204944932 U CN 204944932U
- Authority
- CN
- China
- Prior art keywords
- specimen holder
- extensometer
- high temperature
- tension test
- lever system
- 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a kind of extensometer direct lever system for high temperature tension test, and it, for carrying out high temperature tension test to tensile sample, comprises: the first specimen holder, and its gripping sleeve is located at one end of tensile sample; Second specimen holder, its gripping sleeve is located at the other end of tensile sample; Locating device, its connection is arranged between the first specimen holder and the second specimen holder; Extend guide rod, its one end is fixedly connected with the first specimen holder through after the second specimen holder, and the other end is connected with normal temperature extensometer.The utility model structure is simple, convenient mounting and clamping safety, use quick, low cost of manufacture, applied widely, effectively improves the accuracy that normal temperature extensometer is used for high temperature tension test.
Description
Technical field
The utility model relates to a kind of frock clamp, specifically refers to a kind of extensometer direct lever system for high temperature tension test.
Background technology
Nuclear power generating equipment manufacturing enterprise, when testing starting material examination, welding material examination, qualification of welding procedure and product witness part, all needs the drawing by high temperature index examining material usually.Due in the case of a high temperature, most of material and wlding are no remarkable yields, so just need to measure Rp0.2(regulation plastic elongation intensity), in this, as performance assessment criteria.The mensuration of Rp0.2 need adopt extensometer, but at high operating temperatures, how to utilize existing normal temperature extensometer to be the difficult point existed in prior art to measure the drawing by high temperature Rp0.2 of sample.
Utility model content
The purpose of this utility model is to provide a kind of extensometer direct lever system for high temperature tension test, structure is simple, convenient mounting and clamping is safe, use is quick, low cost of manufacture, applied widely, effectively improve the accuracy that normal temperature extensometer is used for high temperature tension test.
For achieving the above object, the utility model provides a kind of extensometer direct lever system for high temperature tension test, and it, for carrying out high temperature tension test to tensile sample, comprises: the first specimen holder, and its gripping sleeve is located at one end of tensile sample; Second specimen holder, its gripping sleeve is located at the other end of tensile sample; Locating device, its connection is arranged between the first specimen holder and the second specimen holder; Extend guide rod, its one end is fixedly connected with the first specimen holder through after the second specimen holder, and the other end is connected with normal temperature extensometer, gathers the material deformation amount of tensile sample in hot environment.
Between the first described specimen holder and tensile sample, and between the second specimen holder and tensile sample, space washer is set respectively.
Described space washer is made up of the gasket rings that two is semi-circular structure.
The first described specimen holder and the second specimen holder all offer multiple evenly spaced threaded hole, after tensile sample being loaded the first specimen holder and the second specimen holder, by tightening screw with garter extension sample in each threaded hole.
The length of described locating device is the demarcation distance of high temperature tension test.
One end of described locating device is fixedly connected with the first specimen holder, the other end and the second specimen holder close contact; Or one end of described locating device is fixedly connected with the second specimen holder, the other end and the first specimen holder close contact.
Described extensometer direct lever system also comprises guide bar support, and its one end is fixedly connected with the second specimen holder, and the other end is for fixedly mounting normal temperature extensometer.
The lower end bending of described guide bar support is arranged, in handle-shaped.
Extensometer direct lever system for high temperature tension test provided by the utility model, has that structure is simple, convenient mounting and clamping safety, uses advantage that is quick, low cost of manufacture; Due in high temperature tension test process, extensometer direct lever system can make tensile sample be positioned at high temperature furnace, normal temperature extensometer is then positioned at outside high temperature furnace, really solves the acquisition problems of normal temperature extensometer for high temperature tension test, effectively improves the accuracy of high temperature tension test; In addition, extensometer direct lever system is applicable to the quick position clamping of the tensile sample of number of different types, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the extensometer direct lever system for high temperature tension test in the utility model;
Fig. 2 is the structural representation of the specimen holder in the utility model;
Fig. 3 is the structural representation of the space washer in the utility model.
Embodiment
Below in conjunction with Fig. 1 ~ Fig. 3, describe a preferred embodiment of the present utility model in detail.
As shown in Figure 1, the extensometer direct lever system for high temperature tension test provided by the utility model, it, for carrying out high temperature tension test to tensile sample 7, comprises: the first specimen holder 1, and its gripping sleeve is located at one end of tensile sample 7; Second specimen holder 2, its gripping sleeve is located at the other end of tensile sample 7; Locating device 3, its connection is arranged between the first specimen holder 1 and the second specimen holder 2; Extend guide rod 4, its one end is fixedly connected with the first specimen holder 1 through after the second specimen holder 2, and the other end is connected with normal temperature extensometer 8, gathers the material deformation amount of tensile sample 7 in hot environment.
Between the first described specimen holder 1 and tensile sample 7, and second arranges space washer 6 between specimen holder 2 and tensile sample 7 respectively, for playing positioning action when installation first specimen holder 1 and the second specimen holder 2, produce skew to prevent from clamping in process, thus affect the accuracy of high temperature tension test.
As shown in Figure 3, described space washer 6 is made up of two gasket rings 61 in semi-circular structure, so that after completing the clamping of tensile sample 7, take out space washer 6 smoothly.
As shown in Figure 2, the first described specimen holder 1 and the second specimen holder 2 all offer multiple evenly spaced threaded hole 11, after tensile sample 7 being loaded the first specimen holder 1 and the second specimen holder 2, by tightening screw with garter extension sample 7 in each threaded hole 11.In the present embodiment, the first described specimen holder 1 and the second specimen holder 2 all offer 3 threaded holes 11, and uniform intervals distribution, the angle namely between adjacent two threaded holes is 120 °.
The length of described locating device 3 is the demarcation distance of high temperature tension test.In the present embodiment, the length of locating device 3 is 50mm.
One end of described locating device 3 is fixedly connected with the first specimen holder 1, the other end and the second specimen holder 2 close contact; Or one end of described locating device 3 is fixedly connected with the second specimen holder 2, the other end and the first specimen holder 1 close contact.
Described extensometer direct lever system also comprises guide bar support 5, and its one end is fixedly connected with the second specimen holder 2, and the other end is for fixedly mounting normal temperature extensometer 8.
The lower end bending of described guide bar support 5 is arranged, and in handle-shaped, is convenient to the installation of normal temperature extensometer 8 and carries out high temperature tension test.
Below describe in detail and utilize the method utilizing extensometer direct lever system to carry out high temperature tension test provided by the utility model, specifically comprise following steps:
S1, by tensile sample 7 clamping in extensometer direct lever system;
S2, the extensometer direct lever system being provided with tensile sample 7 is placed in high temperature furnace and carries out heating and thermal insulation; In the present embodiment, the temperature after heating maintains between 350 DEG C ~ 500 DEG C;
S3, normal temperature extensometer 8 is arranged on extensometer direct lever system guide bar support 5 on and be connected with guide rod 4 of extending, make tensile sample 7 and whole extensometer direct lever system be positioned at high temperature furnace, and only have normal temperature extensometer 8 to be positioned at outside high temperature furnace;
S4, utilize normal temperature extensometer 8 pairs of tensile samples 7 to carry out high temperature tension test, by extending, the material deformation amount of guide rod 4 pairs of tensile samples 7 in hot environment gathers.
Wherein, in described S1, specifically following steps are comprised:
S11, tensile sample 7 is each passed through the first specimen holder 1 and the second specimen holder 2, and makes to be fixedly connected on the locating device 3 on one of them specimen holder and another specimen holder close contact;
S12, between the first specimen holder 1 and tensile sample 7, and be respectively charged into space washer 6 between the second specimen holder 2 and tensile sample 7, produce skew to prevent from clamping tensile sample 7 in process;
Tighten screw in S13, each threaded hole 11 on the first specimen holder 1, make the first specimen holder 1 garter extension sample 7; Tighten screw in each threaded hole 11 on the second specimen holder 2, make the second specimen holder 2 garter extension sample 7;
S14, by between the first specimen holder 1 and tensile sample 7, and the space washer 6 between the second specimen holder 2 and tensile sample 7 takes out, and completes the clamping of tensile sample 7.
Extensometer direct lever system for high temperature tension test provided by the utility model, has that structure is simple, convenient mounting and clamping safety, uses advantage that is quick, low cost of manufacture; Due in high temperature tension test process, extensometer direct lever system can make tensile sample be positioned at high temperature furnace, normal temperature extensometer is then positioned at outside high temperature furnace, really solves the acquisition problems of normal temperature extensometer for high temperature tension test, effectively improves the accuracy of high temperature tension test; In addition, extensometer direct lever system is applicable to the quick position clamping of the tensile sample of number of different types, applied widely.Such as these two kinds of tensile samples of M16, M20, the installation site only need exchanging two space washers can realize clamping.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (8)
1., for an extensometer direct lever system for high temperature tension test, for carrying out high temperature tension test to tensile sample (7), it is characterized in that, comprise:
First specimen holder (1), its gripping sleeve is located at one end of tensile sample (7);
Second specimen holder (2), its gripping sleeve is located at the other end of tensile sample (7);
Locating device (3), its connection is arranged between the first specimen holder (1) and the second specimen holder (2);
Extend guide rod (4), its one end is fixedly connected with the first specimen holder (1) afterwards through the second specimen holder (2), and the other end is connected with normal temperature extensometer (8), gathers the material deformation amount of tensile sample (7) in hot environment.
2. as claimed in claim 1 for the extensometer direct lever system of high temperature tension test, it is characterized in that, between described the first specimen holder (1) and tensile sample (7), and between the second specimen holder (2) and tensile sample (7), space washer (6) is set respectively.
3. as claimed in claim 2 for the extensometer direct lever system of high temperature tension test, it is characterized in that, described space washer (6) is made up of the gasket rings (61) that two is semi-circular structure.
4. as claimed in claim 3 for the extensometer direct lever system of high temperature tension test, it is characterized in that, described the first specimen holder (1) and the second specimen holder (2) all offer multiple evenly spaced threaded hole (11), after tensile sample (7) being loaded the first specimen holder (1) and the second specimen holder (2), by tightening screw with garter extension sample (7) in each threaded hole (11).
5., as claimed in claim 1 for the extensometer direct lever system of high temperature tension test, it is characterized in that, the length of described locating device (3) is the demarcation distance of high temperature tension test.
6., as claimed in claim 5 for the extensometer direct lever system of high temperature tension test, it is characterized in that, one end of described locating device (3) is fixedly connected with the first specimen holder (1), the other end and the second specimen holder (2) close contact; Or one end of described locating device (3) is fixedly connected with the second specimen holder (2), the other end and the first specimen holder (1) close contact.
7., as claimed in claim 1 for the extensometer direct lever system of high temperature tension test, it is characterized in that, also comprise guide bar support (5), its one end is fixedly connected with the second specimen holder (2), and the other end is for fixedly mounting normal temperature extensometer (8).
8. as claimed in claim 7 for the extensometer direct lever system of high temperature tension test, it is characterized in that, the lower end bending of described guide bar support (5) is arranged, in handle-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520702560.1U CN204944932U (en) | 2015-09-11 | 2015-09-11 | For the extensometer direct lever system of high temperature tension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520702560.1U CN204944932U (en) | 2015-09-11 | 2015-09-11 | For the extensometer direct lever system of high temperature tension test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944932U true CN204944932U (en) | 2016-01-06 |
Family
ID=55012348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520702560.1U Active CN204944932U (en) | 2015-09-11 | 2015-09-11 | For the extensometer direct lever system of high temperature tension test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204944932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067425A (en) * | 2015-09-11 | 2015-11-18 | 上海电气核电设备有限公司 | Extensometer guide rod system and method for high-temperature tension test by using system |
| CN108956281A (en) * | 2018-06-04 | 2018-12-07 | 中国航发北京航空材料研究院 | A kind of fixation device of sheet metal drawing by high temperature extensometer |
-
2015
- 2015-09-11 CN CN201520702560.1U patent/CN204944932U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067425A (en) * | 2015-09-11 | 2015-11-18 | 上海电气核电设备有限公司 | Extensometer guide rod system and method for high-temperature tension test by using system |
| CN108956281A (en) * | 2018-06-04 | 2018-12-07 | 中国航发北京航空材料研究院 | A kind of fixation device of sheet metal drawing by high temperature extensometer |
| CN108956281B (en) * | 2018-06-04 | 2021-02-09 | 中国航发北京航空材料研究院 | Fixing device of sheet metal high temperature tensile extensometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108548716B (en) | A kind of pole test specimen high temperature push-pull fatigue test cramp and test method | |
| CN101608988B (en) | Uni-directional stretching test clamp for warm shaping of metal plate | |
| CN103454165A (en) | Testing system for fatigue crack propagation test under high/low temperature environment | |
| CN104034600A (en) | Fatigue crack propagation experiment testing system under extremely high temperature environment | |
| CN104034599A (en) | Experiment system for testing super-high temperature fatigue S-N curve of engine material | |
| CN105067425A (en) | Extensometer guide rod system and method for high-temperature tension test by using system | |
| CN204944932U (en) | For the extensometer direct lever system of high temperature tension test | |
| CN103439201A (en) | System for testing fatigue in high/low temperature environment | |
| CN106018078A (en) | Displacement extension clamping device for measuring axial tensile deformation of steel cable at high temperature and using method thereof | |
| CN103776702A (en) | Low-cycle fatigue testing device and method under corrosion and high-temperature environments | |
| CN108956281B (en) | Fixing device of sheet metal high temperature tensile extensometer | |
| CN106769492B (en) | Method, device and system for testing lateral pressure resistance performance of cable | |
| CN102680317A (en) | Clamp for testing shearing performance of braided fabric material | |
| CN204142573U (en) | A kind of jig of low-intensity high fragility sample high temperature tensile properties test | |
| CN204116135U (en) | A kind of plate tensile sample high temperature tensile properties test fixture | |
| CN103528884A (en) | Sample clamping device for low-temperature tensile property test | |
| CN203941162U (en) | Rubbery sample extends aging equipment surely | |
| CN205483314U (en) | Multiple spot average temperature meter | |
| CN203941060U (en) | Frock clamp is used in test of fibre reinforced composite low temperature mechanical tensile properties | |
| CN106403618A (en) | Electric heating furnace and temperature control system thereof | |
| CN207019642U (en) | A kind of new displacement tester | |
| CN110320110A (en) | A kind of tensile test apparatus and heating device | |
| CN105043857A (en) | Inserted pin test sample clamp for reheating crack sensitivity test | |
| CN209069754U (en) | The device of material property extension test under a kind of low temperature | |
| CN103900924B (en) | The heterogeneous collaborative erosion-wear-resisting structure erosion test stationary installation of curvature-adjustable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |