CN204116135U - A kind of plate tensile sample high temperature tensile properties test fixture - Google Patents
A kind of plate tensile sample high temperature tensile properties test fixture Download PDFInfo
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- CN204116135U CN204116135U CN201420526648.8U CN201420526648U CN204116135U CN 204116135 U CN204116135 U CN 204116135U CN 201420526648 U CN201420526648 U CN 201420526648U CN 204116135 U CN204116135 U CN 204116135U
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Abstract
The utility model discloses a kind of plate tensile sample high temperature tensile properties test fixture, fixture comprises upper and lower two tensioning chucks, and described two tensioning chuck structures are identical, and are symmetrical arranged; Described tensioning chuck one side is provided with thermocouple groove and sample groove, the opposite face of sample groove is provided with rectangle chute, the middle part of rectangle chute and sample groove is provided with cotter slot, is provided with fixed pin in cotter slot.Jig Design meets the testing requirements of plate tensile sample high temperature tensile properties test, fixture has that modern design, structure are simple, dress sample prescription just, clamp reliable feature, solve the particular problem utilizing Material Testing Machine high temperature furnace cannot carry out high temperature tensile properties test to plate tensile sample at present.
Description
Technical field
The utility model relates to testing of materials field, particularly a kind of in the high temperature furnace of Material Testing Machine, plate tensile sample is carried out to the stretching clamp of high temperature tensile properties index test.
Background technology
Narrow space in the high temperature furnace of Material Testing Machine, and for ensureing that the accuracy requirement temperature thermocouple of probe temperature should contact sample.Due to the drawing by high temperature sample of space constraint metal material, usually adopt two ends to be light socket cap, centre is the tensile sample of thinner cylinder.By two semicircle fixture blocks during test, in fixture, block the tensile property test that sample head carries out material.Or the screwed cylindrical tensile sample in processing two ends, be connected with the respective threaded chuck be connected on high temperature pull bar by the screw thread at sample two ends during test, carry out the tensile property test of material.And plate tensile sample is owing to being subject to profile, clamping, easily the restriction of factor such as coming off, usually mainly carry out the tensile property test under atmosphere at room temperature environment.
Due in real work, often need the high temperature tensile properties index obtaining board-like material, and the thickness of sheet material thinlyyer may cannot process cylindrical tensile sample, need the high temperature tensile properties test fixture obtaining board-like material for this reason, solve the weak point existing for prior art.
Utility model content
The purpose of this utility model, is exactly for the deficiency existing for prior art, and provides a kind of in the high temperature furnace of Material Testing Machine, plate tensile sample is carried out to the stretching clamp of high temperature tensile properties index test.
A kind of plate tensile sample high temperature tensile properties test fixture, comprise two tensioning chucks, described two tensioning chuck structures are the same, and are symmetrical arranged; One of them surface of described tensioning chuck is provided with thermocouple groove, the tensioning chuck surface being provided with thermocouple groove is provided with sample groove, the surface of sample groove is provided with rectangle chute, is provided with a through hole, is provided with latch in through hole in rectangle chute.
In technique scheme, described tensioning chuck is cylindrical.
In technique scheme, described thermocouple groove is arranged on the face of cylinder of tensioning chuck.
In technique scheme, described thermocouple groove and sample groove concentric are arranged.
In technique scheme, the end face of described tensioning chuck is provided with clamping hole.
In technique scheme, in described clamping hole, be provided with internal thread.
In the utility model, two tensioning chuck structures are the same, and opposition is arranged; Fixture is made up of fixed pin, nut.Upper and lower tensioning chuck is two right cylinders being less than size of burner hearth, the face of cylinder has and places the cylinder groove of thermopair, can warranty test time thermopair difficult drop-off in groove.The face of cylinder of processing thermocouple groove is processed with sample groove, and the opposite face of sample groove is processed with rectangle chute, provides the sliding space of fixed pin end.The plane of sample groove and fixed pin end chute is processed with cotter slot, and cotter slot is processed into strip, can ensure that sample has certain installation degree of freedom, and too compact easy generation extra-stress after preventing sample from installing, affects the accuracy of test data.Stiff end for fixing plate tensile sample pin is that rectangle is convenient to slide and location, and the other end is provided with screw thread, can prevent sample in dress sample and test from falling after screwing in nut.The screw of the identical screw thread specification with high temperature pull bar is processed with, in order to carry out high-temperature behavior test by the high temperature furnace of described stretching clamp loading Material Testing Machine at stretching clamp and the link of high temperature pull bar.
The beneficial effects of the utility model can be learnt describing of fixture according to above-mentioned, and this fixture structure is simple, is convenient to processing, reliable and practical feature, and implementation result is apparent, and compared with prior art the utility model has evident characteristic and progress.
Accompanying drawing explanation
Fig. 1 is plate tensile sample high temperature tensile clamp schematic diagram
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the B-B cut-open view of Fig. 1;
Wherein: 1 is upper grip, 2 is pins, and 3 is nuts, and 4 is samples, and 5 is lower chucks.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, tensioning chuck of the present utility model is cylindrical, being provided with for fixing clamping hole, being provided with internal thread, for being connected to the pull bar of high temperature up and down of Material Testing Machine high temperature furnace in clamping hole at an end face of tensioning chuck.The cylindrical surface of tensioning chuck is vertically arranged with a thermocouple groove, for placing thermopair; In one end of thermocouple groove, the cylindrical surface of tensioning chuck is provided with the sample groove of rectangle, is vertically arranged with chute in sample groove, is provided with a through hole in chute, and through hole is used for through latch.
When this tensioning chuck is for testing, the two ends of tested tensile sample are placed on respectively in the sample groove in two identical tensioning chucks, with pin through through hole and sample, and with nut on pin, fixing sample, do not need to tighten especially for fixing nut, pin can be allowed to drive sample to slide in chute.Finally thermopair is placed in thermocouple groove.The tensioning chuck assembled is loaded drawing by high temperature stove, and couples together with the two ends of high temperature pull bar by tensioning chuck, the high temperature tensile properties test of plate tensile sample can be carried out.
All features disclosed in this instructions, except mutually exclusive feature, all can combine by any way.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a plate tensile sample high temperature tensile properties test fixture, fixture comprises upper and lower two tensioning chucks, it is characterized in that: described two tensioning chuck structures are identical, and are symmetrical arranged; Described tensioning chuck one side is provided with thermocouple groove and sample groove, the opposite face of sample groove is provided with rectangle chute, the middle part of rectangle chute and sample groove is provided with a strip cotter slot, is provided with fixed pin in cotter slot.
2. a kind of plate tensile sample high temperature tensile properties test fixture according to claim 1, it is cylindrical for it is characterized by described tensioning chuck profile.
3. a kind of plate tensile sample high temperature tensile properties test fixture according to claim 1 and 2, it is characterized in that described thermocouple groove is arranged on the face of cylinder of tensioning chuck, its shape is cylindrical.
4. a kind of plate tensile sample high temperature tensile properties test fixture according to claim 1, the head that it is characterized by described fixture fixed pin is rectangle, and during use, the head of fixed pin is stuck in chute, and when preventing mounting or dismounting sample, nut and fixed pin rotate simultaneously.
5. a kind of plate tensile sample high temperature tensile properties test fixture according to claim 4, it is characterized by the position of described fixed pin in cotter slot can move along the fluting direction of cotter slot.
6. a kind of plate tensile sample high temperature tensile properties test fixture according to claim 1, connects the screw of high temperature pull bar when the end face that it is characterized by described tensioning chuck is provided with for testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526648.8U CN204116135U (en) | 2014-09-15 | 2014-09-15 | A kind of plate tensile sample high temperature tensile properties test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526648.8U CN204116135U (en) | 2014-09-15 | 2014-09-15 | A kind of plate tensile sample high temperature tensile properties test fixture |
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| Publication Number | Publication Date |
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| CN204116135U true CN204116135U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420526648.8U Active CN204116135U (en) | 2014-09-15 | 2014-09-15 | A kind of plate tensile sample high temperature tensile properties test fixture |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634656A (en) * | 2015-01-29 | 2015-05-20 | 南京理工大学 | Composite uniaxial tension experiment fixture |
| CN105004610A (en) * | 2015-09-09 | 2015-10-28 | 海安县石油科研仪器有限公司 | Device for tensile test of metal material under function of current |
| CN107860650A (en) * | 2017-11-03 | 2018-03-30 | 哈尔滨工业大学 | A kind of flaky material wound form high temperature tension test fixture |
| CN108318334A (en) * | 2018-03-08 | 2018-07-24 | 山西省机电设计研究院 | Universal hydraulic testing of materials machine clamp |
| CN108931440A (en) * | 2017-05-27 | 2018-12-04 | 核工业西南物理研究院 | A kind of small sample is uniaxially stretched creep test fixture |
-
2014
- 2014-09-15 CN CN201420526648.8U patent/CN204116135U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634656A (en) * | 2015-01-29 | 2015-05-20 | 南京理工大学 | Composite uniaxial tension experiment fixture |
| CN105004610A (en) * | 2015-09-09 | 2015-10-28 | 海安县石油科研仪器有限公司 | Device for tensile test of metal material under function of current |
| CN108931440A (en) * | 2017-05-27 | 2018-12-04 | 核工业西南物理研究院 | A kind of small sample is uniaxially stretched creep test fixture |
| CN107860650A (en) * | 2017-11-03 | 2018-03-30 | 哈尔滨工业大学 | A kind of flaky material wound form high temperature tension test fixture |
| CN107860650B (en) * | 2017-11-03 | 2020-06-09 | 哈尔滨工业大学 | Sheet material winding type high-temperature tensile test fixture for building membrane material |
| CN108318334A (en) * | 2018-03-08 | 2018-07-24 | 山西省机电设计研究院 | Universal hydraulic testing of materials machine clamp |
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