CN205246435U - Experimental special chuck mechanism is suspend in creep - Google Patents
Experimental special chuck mechanism is suspend in creep Download PDFInfo
- Publication number
- CN205246435U CN205246435U CN201520910700.4U CN201520910700U CN205246435U CN 205246435 U CN205246435 U CN 205246435U CN 201520910700 U CN201520910700 U CN 201520910700U CN 205246435 U CN205246435 U CN 205246435U
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- creep
- slot
- spacing
- abort
- sample
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Abstract
The utility model provides an experimental special chuck mechanism is suspend in creep, belongs to material high temperature mechanical testing machine technical field. It includes upper grip, down chuck, two anchor clamps being connected with upper and lower chuck, and anchor clamps one end is equipped with the screw thread post, and through screw thread post and upper grip or chuck spiro union down, the anchor clamps other end is equipped with spacing T -slot, the shape and the creep sample tip structure phase -match of spacing T -slot, and the creep sample both ends are carried out creep resistance and are tested in blocking the spacing T -slot of two anchor clamps respectively, leave the clearance between spacing T -slot and the creep sample terminal surface. By adopting the above technique, the utility model, the experimental special chuck mechanism is suspend in creep who obtains has realized quick dismantlement and the rapid cooling of non -standard creep sample under the not fracture condition as yet and has handled, can remain the damage tissue of creep sample, can guarantee the normal use of creep equipment again for metal material high temperature mechanical properties's basic research, structural design is compact, convenient operation, low in production cost.
Description
Technical field
The utility model belongs to material at high temperature testing machine for mechanical properties technical field, is specifically related to one for creep testing machine, is applicable to detect irregular creep sample and picks and places the special carrier of creep abort easily mechanism.
Background technology
Generally, the upper lower chuck of pole creep sample two ends and testing machine is threaded connection, and conventionally, after heating furnace is cooling, first sample and chuck entirety is taken off, and then the screw thread of sample and chuck is unclamped. Along with deepening continuously to the research of Metal Materials At High Temperature mechanical property, in creep course, microstructure damage and evolution thereof have become research emphasis, if but in creep process by interrupt creep test retain carbide and the Tissue distribution of metal material under the condition of high temperature, just must carry out quenching to sample. Directly spray cooling water if utilize to sample, destructive test machine very easily. Because creep sample now not yet ruptures; cannot use again other quick-action clamps; therefore; for accelerating the basic research of Metal Materials At High Temperature mechanical property, be badly in need of a set of creep abort special carrier of design mechanism, in creep process (when sample not yet ruptures); abort will be carried out chilling under sample fast dismantling at any time; can retain creep impairment tissue, can protect again equipment normally to use, relevant issues are urgently to be resolved hurrily.
Utility model content
For current creep testing machine shortcoming, the utility model provide a kind of novel for creep testing machine, be applicable to detect irregular creep sample and pick and place the special carrier of creep abort easily mechanism.
Described a kind of creep abort special carrier mechanism, comprise upper grip, lower chuck, two fixtures that are connected with upper and lower chuck, it is characterized in that described fixture one end is provided with threaded post, be spirally connected by threaded post and upper grip, lower chuck, the fixture other end is provided with spacing T-slot, the shape of spacing T-slot and creep sample end construction match, creep sample two ends snap in respectively in the spacing T-slot of two fixtures, carry out croop property test, between described spacing T-slot and creep sample end face, leave gap.
Described a kind of creep abort special carrier mechanism, is characterized in that described spacing T-slot is radially machined to axle center by T-slot milling cutter through fixture external cylindrical surface and forms.
Described a kind of creep abort special carrier mechanism, it is characterized in that described spacing T-slot comprises the first stopper slot and the second stopper slot, described the first stopper slot is identical with the structure of the second stopper slot, is made up of respectively straight shape groove and the inboard semicircle orifice in outside.
Described a kind of creep abort special carrier mechanism, it is characterized in that described creep sample comprises gauge length section, changeover portion and loaded segment, changeover portion and loaded segment are two and be arranged on gauge length section two ends, loaded segment is positioned at the outside of changeover portion, changeover portion and the first stopper slot match, changeover portion snaps in the first stopper slot, and loaded segment and the second stopper slot match, and loaded segment snaps in the second stopper slot.
Described a kind of creep abort special carrier mechanism, it is characterized in that in described gauge length section, changeover portion and loaded segment, adjacent two sections of junctions are provided with chamfering, and this chamfering is less than 1 millimeter.
Described a kind of creep abort special carrier mechanism, is characterized in that described transition section length is greater than the first stopper slot height, is convenient to the variation of grating measuring gauge length.
Described a kind of creep abort special carrier mechanism, is characterized in that the gap between described creep sample end face and spacing T-slot end face is not less than 3 millimeters.
Described a kind of creep abort special carrier mechanism, is characterized in that fixture adopts resistant to elevated temperatures nickel-bass alloy material to make.
Described a kind of creep abort special carrier mechanism, is characterized in that fixture is prismatic structure or cylindrical-shaped structure.
By adopting above-mentioned technology, compared with prior art, the beneficial effects of the utility model:
1) the spacing T-slot of the utility model is set to be made up of the first stopper slot and the second stopper slot, and each stopper slot is made up of straight shape groove and the inboard semicircle orifice in outside respectively, when its test, the changeover portion of creep sample snaps in the first stopper slot, loaded segment snaps in the second stopper slot, and the circular edges of changeover portion and loaded segment is along laying respectively in semicircle orifice, make its clamping compacter, be convenient to improve the accuracy of test, and being radially machined to axle center by T-slot milling cutter through fixture external cylindrical surface, spacing T-slot of the present utility model forms, one-shot forming, it is easy to process, efficiency is high,
2) creep sample is divided into 5 sections by the utility model, and its gauge length section is for creep test, and its changeover portion and loaded segment are to clamp for this creep sample is put into fixture; And adjacent two sections of junctions are provided with chamfering in gauge length section, changeover portion and loaded segment, and this chamfering is less than 1 millimeter, is the stability in order to improve its structure, effectively prevented junction phenomenon of rupture in process of the test;
3) the utility model is defined as the gap between creep sample end face and spacing T-slot end face to be not less than 3 millimeters, is convenient to after creep test finishes, take out this creep sample, prevents that chuck from damaging creep sample, offers convenience to sampling simultaneously;
4) the utility model is by adopting above-mentioned technology, the creep abort special carrier mechanism obtaining, realize quick-detachment and the quenching of non-standard creep sample under crack conditions not yet, can retain the damaged tissue of creep sample, can ensure again the normal use of creep equipment, accelerate the basic research of Metal Materials At High Temperature mechanical property, structural design compactness, easy to operate, production cost is low.
Brief description of the drawings
Fig. 1 is assembly structure schematic diagram of the present utility model;
Fig. 2 is the axonometric drawing structural representation of the utility model fixture;
Fig. 3 is the front view structural representation of the utility model fixture;
Fig. 4 is the plan structure schematic diagram of the utility model fixture;
Fig. 5 is the main TV structure schematic diagram of the utility model creep sample.
In figure: 1-fixture, the spacing T-slot of 2-, 201-the first stopper slot, 202-the second stopper slot, 3-threaded post, 4-creep sample, 5-gauge length section, 6-changeover portion, 7-loaded segment, 8-upper grip, 9-lower chuck.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is not limited in this:
As Figure 1-5, a kind of creep abort special carrier of the present utility model mechanism, comprise upper grip 8, lower chuck 9, with upper, two fixtures 1 that lower chuck connects, upper grip 8, on lower chuck 9, screwed hole is set, described fixture 1 adopts resistant to elevated temperatures nickel-bass alloy material to make, this fixture one end is provided with threaded post 3, by threaded post 3 and screwed hole, fixture 1 and upper grip 8 or lower chuck 9 are spirally connected, fixture 1 other end is provided with spacing T-slot 2, the shape of spacing T-slot 2 and creep sample 4 end constructions match, creep sample 4 two ends snap in respectively in the spacing T-slot 2 of two fixtures 1, carry out croop property test, between described spacing T-slot 2 and creep sample 4 end faces, leave gap.
As shown in Figures 2 and 3, spacing T-slot 2 of the present utility model is radially machined to axle center by T-slot milling cutter through fixture 1 external cylindrical surface and forms, this spacing T-slot 2 comprises the first stopper slot 201 and the second stopper slot 202, described the first stopper slot 201 is identical with the second stopper slot 202 structures, is made up of respectively straight shape groove and the inboard semicircle orifice in outside.
As shown in Figure 5, creep sample 4 of the present utility model comprises gauge length section 5, changeover portion 6 and loaded segment 7, changeover portion 6 and loaded segment 7 are two and be arranged on gauge length section 5 two ends, loaded segment 7 is positioned at the outside of changeover portion 6, changeover portion 6 and the first stopper slot 201 match, changeover portion 6 snaps in the first stopper slot 201, loaded segment 7 and the second stopper slot 202 match, loaded segment 7 snaps in the second stopper slot 202, in order to prevent the phenomenons such as creep process Fracture, the utility model is by described gauge length section 5, in changeover portion 6 and loaded segment 7, adjacent two sections of junctions are provided with chamfering, and this chamfering is less than 1 millimeter, for the ease of the variation of grating measuring gauge length, changeover portion 6 length of the present utility model are greater than the first stopper slot 201 height, the preferred difference in height of the utility model is 0.5-2cm, in order to sample conveniently, the utility model is defined as the gap between described creep sample 4 end faces and spacing T-slot 2 end faces to be not less than 3 millimeters, ensure after creep Halfway Stopping heating and cooling unloading, decline upper grip 8, while unclamping creep sample 4, creep sample 4 prevents from bending.
Fixture 1 of the present utility model adopts resistant to elevated temperatures nickel-bass alloy material to make, and its structure can be prismatic structure, can be also cylindrical-shaped structure or other similar structures.
When the utility model work, in the time that creep process is interrupted, first unclamp creep sample 4, and open fire door and remove heating furnace, then can directly clamp and take off creep sample 4 with hawkbill, it is dropped into cooling bay, after getting again after need not waiting it cooling, it has realized quick-detachment and the quenching of non-standard creep sample under crack conditions not yet, can retain the damaged tissue of creep sample, can ensure again the normal use of creep equipment, accelerate the basic research of Metal Materials At High Temperature mechanical property, structural design compactness, easy to operate, production cost is low.
Those ordinary skill in the art's simple change and replacement are all within protection domain of the present utility model.
Claims (9)
1. a creep abort special carrier mechanism, comprise upper grip (8), lower chuck (9), with upper, two fixtures (1) that lower chuck connects, it is characterized in that described fixture (1) one end is provided with threaded post (3), by threaded post (3) and upper grip (8), lower chuck (9) is spirally connected, fixture (1) other end is provided with spacing T-slot (2), the shape of spacing T-slot (2) and creep sample (4) end construction match, creep sample (4) two ends snap in respectively in the spacing T-slot (2) of two fixtures (1), carry out croop property test, between described spacing T-slot (2) and creep sample (4) end face, leave gap.
2. a kind of creep abort special carrier according to claim 1 mechanism, is characterized in that described spacing T-slot (2) is radially machined to axle center by T-slot milling cutter through fixture (1) external cylindrical surface and forms.
3. a kind of creep abort special carrier according to claim 1 mechanism, it is characterized in that described spacing T-slot (2) comprises the first stopper slot (201) and the second stopper slot (202), described the first stopper slot (201) is identical with the structure of the second stopper slot (202), is made up of respectively straight shape groove and the inboard semicircle orifice in outside.
4. a kind of creep abort special carrier according to claim 3 mechanism, it is characterized in that described creep sample (4) comprises gauge length section (5), changeover portion (6) and loaded segment (7), changeover portion (6) and loaded segment (7) are two and be arranged on gauge length section (5) two ends, loaded segment (7) is positioned at the outside of changeover portion (6), changeover portion (6) matches with the first stopper slot (201), changeover portion (6) snaps in the first stopper slot (201), loaded segment (7) matches with the second stopper slot (202), loaded segment (7) snaps in the second stopper slot (202).
5. a kind of creep abort special carrier according to claim 4 mechanism, it is characterized in that in described gauge length section (5), changeover portion (6) and loaded segment (7), adjacent two sections of junctions are provided with chamfering, and this chamfering is less than 1 millimeter.
6. a kind of creep abort special carrier according to claim 4 mechanism, is characterized in that described changeover portion (6) length is greater than the first stopper slot (201) highly, is convenient to the variation of grating measuring gauge length.
7. a kind of creep abort special carrier according to claim 4 mechanism, is characterized in that the gap between described creep sample (4) end face and spacing T-slot (2) end face is not less than 3 millimeters.
8. a kind of creep abort special carrier according to claim 1 mechanism, is characterized in that fixture (1) adopts resistant to elevated temperatures nickel-bass alloy material to make.
9. a kind of creep abort special carrier according to claim 4 mechanism, is characterized in that fixture (1) is prismatic structure or cylindrical-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910700.4U CN205246435U (en) | 2015-11-16 | 2015-11-16 | Experimental special chuck mechanism is suspend in creep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910700.4U CN205246435U (en) | 2015-11-16 | 2015-11-16 | Experimental special chuck mechanism is suspend in creep |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246435U true CN205246435U (en) | 2016-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520910700.4U Expired - Fee Related CN205246435U (en) | 2015-11-16 | 2015-11-16 | Experimental special chuck mechanism is suspend in creep |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205246435U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259030A (en) * | 2015-11-16 | 2016-01-20 | 浙江工业大学 | Chuck mechanism special for interrupted creep test |
| CN106442117A (en) * | 2016-09-13 | 2017-02-22 | 华能国际电力股份有限公司 | Clamping device for rodlike sample long-time creep test |
| CN109030196A (en) * | 2018-08-18 | 2018-12-18 | 深圳阿尔泰克轻合金技术有限公司 | A kind of metal material single shaft creep resistant test sample, fixture and method |
| CN109297808A (en) * | 2018-11-29 | 2019-02-01 | 西北工业大学 | Creep test device and its fixture based on optical fiber sensing technology |
| CN112611635A (en) * | 2020-11-09 | 2021-04-06 | 西北工业大学 | Concrete uniaxial tension test fixture and test method |
| CN113188881A (en) * | 2021-03-19 | 2021-07-30 | 西北工业大学 | Preparation method of impregnated yarn sample and compression test fixture thereof |
| CN113188881B (en) * | 2021-03-19 | 2024-05-14 | 西北工业大学 | Preparation method of impregnated yarn sample and compression test fixture thereof |
-
2015
- 2015-11-16 CN CN201520910700.4U patent/CN205246435U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259030A (en) * | 2015-11-16 | 2016-01-20 | 浙江工业大学 | Chuck mechanism special for interrupted creep test |
| CN106442117A (en) * | 2016-09-13 | 2017-02-22 | 华能国际电力股份有限公司 | Clamping device for rodlike sample long-time creep test |
| CN109030196A (en) * | 2018-08-18 | 2018-12-18 | 深圳阿尔泰克轻合金技术有限公司 | A kind of metal material single shaft creep resistant test sample, fixture and method |
| CN109297808A (en) * | 2018-11-29 | 2019-02-01 | 西北工业大学 | Creep test device and its fixture based on optical fiber sensing technology |
| CN112611635A (en) * | 2020-11-09 | 2021-04-06 | 西北工业大学 | Concrete uniaxial tension test fixture and test method |
| CN112611635B (en) * | 2020-11-09 | 2022-03-11 | 西北工业大学 | Concrete uniaxial tension test fixture and test method |
| CN113188881A (en) * | 2021-03-19 | 2021-07-30 | 西北工业大学 | Preparation method of impregnated yarn sample and compression test fixture thereof |
| CN113188881B (en) * | 2021-03-19 | 2024-05-14 | 西北工业大学 | Preparation method of impregnated yarn sample and compression test fixture thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20181116 |