CN103760012A - Hopkinson test piece insulation device - Google Patents
Hopkinson test piece insulation device Download PDFInfo
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- CN103760012A CN103760012A CN201410031226.8A CN201410031226A CN103760012A CN 103760012 A CN103760012 A CN 103760012A CN 201410031226 A CN201410031226 A CN 201410031226A CN 103760012 A CN103760012 A CN 103760012A
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- interlayer
- outer cover
- liner
- perforate
- end cap
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Abstract
The invention discloses a Hopkinson test piece insulation device which comprises an outer cover, an interlayer, a liner, an observation window, a lining and an end cover, wherein one ends of the outer cover, the interlayer and the liner have holes, the other ends of the outer cover, the interlayer and the liner are in open cylindrical drum-shaped structures, hole diameters of the holes are the same and are matched with the diameter of a testing rod, the interlayer is sleeved outside the liner, the inner side of the interlayer is clung to the outer side of the liner, the outer cover is sleeved outside the interlayer, the inner side of the outer cover is clung to the outer side of the interlayer, the open end of the outer cover is fixedly connected with the end cover, a hole is formed in the end cover, the diameter of the hole is matched with the diameter of the testing rod, the hole in the outer cover is coaxial with the hole in the end cover, a window penetrating through the outer cover, the interlayer and the liner is formed in the cylindrical surface of the insulation device, and the observation window made of a transparent material is arranged on the window. The Hopkinson test piece insulation device is capable of insulating a test piece in an experiment process.
Description
Technical field
The invention belongs to material dynamic mechanical research field, particularly a kind of hopkinson test test specimen attemperator.
Background technology
Most of materials are at the LOADING RATES or the strain rate sensitivity that all show aspect the mechanical properties such as intensity to a certain degree.The strain rate effect of the short duration pulse of high amplitude and the caused mechaanical property of materials of load, and the rate of strain condition at the laboratory equipment of the mechanical property of research material under pulse Under Dynamic Load and the necessary analogy of experiment scene.Split hopkinson bar is acknowledged as the most frequently used experimental facilities of the most effectively studying the mechaanical property of materials under pulse Under Dynamic Load.But the mechanical behavior of material depends on temperature significantly, the rate dependence important in inhibiting under research different temperatures, this is just faced with the problem how to be incubated to test specimen.Although the experiment at room temperature of separate type hopkinson test is very successful, having the experiment under temperature requirement unsatisfactory, still need to be further developed.
Summary of the invention
The object of the present invention is to provide a kind of hopkinson test test specimen attemperator that can be incubated to test specimen in experimentation.
The technical solution that realizes the object of the invention is:
A kind of hopkinson test test specimen attemperator, comprises outer cover, interlayer, liner, view window, lining and end cap; Outer cover, interlayer and liner are one end perforate, the cylindrical tubular structure that the other end is open, and perforate aperture is identical, and match with reference test bar diameter in aperture; Interlayer is enclosed within liner outside, and the inner side of interlayer is adjacent to the outside of liner, and external cover is outside interlayer, and the inner side of outer cover and the outside of interlayer are adjacent to; The open end of outer cover is fixed with end cap, perforate on end cap, and match with reference test bar diameter in aperture, and the perforate on outer cover is coaxial with the perforate on end cap; On the face of cylinder of attemperator, have the window that runs through outer cover, interlayer and liner, the view window of transparent material is set on window.
The present invention compared with prior art, its remarkable advantage:
(1) the present invention is simple in structure, meets testing requirements, just as an attemperator, the temperature losses of time is reduced, and the process of heating or refrigeration is still carried out in temperature control box, and this has just simplified the requirement to this heat-preserving equipment greatly.
(2) convenient processing and manufacture of the present invention, does not have a large amount of circuit arrangements, has saved cost.
(3) all parts in the present invention are all to process acquisition by common machine, and machine work precision is higher, degree of accuracy that can assurance device, thereby the consistance of assurance device.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of hopkinson test test specimen attemperator of the present invention.
Fig. 2 is the structure cut-open view of hopkinson test test specimen attemperator of the present invention.
Fig. 3 is the axial arrangement cut-open view of hopkinson test test specimen attemperator of the present invention.
Embodiment
In conjunction with Fig. 1～Fig. 3:
A kind of hopkinson test test specimen of the present invention attemperator, comprises outer cover 1, interlayer 2, liner 3, view window 4, lining 5 and end cap 6; Outer cover 1, interlayer 2 and liner 3 are one end perforate, the cylindrical tubular structure that the other end is open, and perforate aperture is identical, and match with reference test bar diameter in aperture; Interlayer 2 is enclosed within liner 3 outsides, and the outside of the inner side of interlayer 2 and liner 3 is adjacent to, and outer cover 1 is enclosed within interlayer 2 outsides, and the outside of the inner side of outer cover 1 and interlayer 2 is adjacent to; The open end of outer cover 1 is fixed with end cap 6, perforate on end cap, and match with reference test bar diameter in aperture, and the perforate on outer cover 1 is coaxial with the perforate on end cap 6; On the face of cylinder of attemperator, have the window that runs through outer cover 1, interlayer 2 and liner 3, the view window 4 of transparent material is set on window.
Between interlayer 2 and liner 3 and end cap 6, lining 5 is set, the hardness of lining 5 is less than end cap 6, perforate on lining 5, and aperture is identical with the perforate aperture on end cap 6.
On outer cover 1, the length of side of perforate is greater than the length of side of perforate on interlayer 2 and liner 3, and the profile of view window 4 matches with the shape of outer cover 1, interlayer 2 and liner 3 perforates.
Its principle of work is: before experiment, test specimen and test specimen attemperator are placed in the lump and in temperature control box, enjoy heating or refrigeration, in experimentation, Hopkinson incident bar and transmission bar are penetrated to the through hole of both sides, whole striking experiment completes in test specimen attemperator.
Embodiment:
In conjunction with Fig. 1～Fig. 3:
A kind of hopkinson test test specimen attemperator, comprises outer cover 1, interlayer 2, liner 3, view window 4, lining 5, end cap 6, pallet 7; Outer cover 1, interlayer 2 and liner 3 are one end perforate, the cylindrical tubular structure that the other end is open, and perforate aperture is identical, and match with reference test bar diameter in aperture; Interlayer 2 is enclosed within liner 3 outsides, and the outside of the inner side of interlayer 2 and liner 3 is adjacent to, and outer cover 1 is enclosed within interlayer 2 outsides, and the outside of the inner side of outer cover 1 and interlayer 2 is adjacent to; The open end of outer cover 1 is fixed with end cap 6 by screw thread, perforate on end cap, and match with reference test bar diameter in aperture, and the perforate on outer cover 1 is coaxial with the perforate on end cap 6; On the face of cylinder of attemperator, have the window that runs through outer cover 1, interlayer 2 and liner 3, the view window 4 of transparent material is set on window; Between interlayer 2 and liner 3 and end cap 6, lining 5 is set, perforate on lining 5, aperture is identical with the perforate aperture on end cap 6.
Wherein, outer cover 1, liner 3 and end cap 6 all adopt cast iron materials; Interlayer 2 and lining 5 all adopt bakelite rod material; View window 4 adopts glass material.
As shown in Figure 1, on outer cover 1, the length of side of perforate is greater than the length of side of perforate on interlayer 2 and liner 3, and the profile of view window 4 matches with the shape of outer cover 1, interlayer 2 and liner 3 perforates.
In use procedure, attemperator is arranged on pallet 7, and pallet 7 is connected on pedestal 9 by lower support 8, and pedestal 9 is bolted on hopkinson test platform.
Claims (6)
1. a hopkinson test test specimen attemperator, is characterized in that, comprises outer cover (1), interlayer (2), liner (3), view window (4), lining (5) and end cap (6); Outer cover (1), interlayer (2) and liner (3) are one end perforate, the cylindrical tubular structure that the other end is open, and perforate aperture is identical, and match with reference test bar diameter in aperture; Interlayer (2) is enclosed within liner (3) outside, and the outside of the inner side of interlayer (2) and liner (3) is adjacent to, and outer cover (1) is enclosed within outside interlayer (2), and the outside of the inner side of outer cover (1) and interlayer (2) is adjacent to; The open end of outer cover (1) is fixed with end cap (6), perforate on end cap, and match with reference test bar diameter in aperture, and the perforate on outer cover (1) is coaxial with the perforate on end cap (6); On the face of cylinder of attemperator, have the window that runs through outer cover (1), interlayer (2) and liner (3), the view window (4) of transparent material is set on window.
2. a kind of hopkinson test test specimen attemperator according to claim 1, it is characterized in that, between described interlayer (2) and liner (3) and end cap (6), lining (5) is set, the hardness of lining (5) is less than end cap (6), the upper perforate of lining (5), aperture is identical with the perforate aperture on end cap (6).
3. a kind of hopkinson test test specimen attemperator according to claim 1, it is characterized in that, the length of side of the described upper perforate of outer cover (1) is greater than the length of side of interlayer (2) and the upper perforate of liner (3), and the profile of view window (4) matches with the shape of outer cover (1), interlayer (2) and liner (3) perforate.
4. a kind of hopkinson test test specimen attemperator according to claim 1, is characterized in that, described outer cover (1) adopts screw thread to be connected with end cap (6).
5. a kind of hopkinson test test specimen attemperator according to claim 1, is characterized in that, described interlayer (2) adopts insulation material.
6. a kind of hopkinson test test specimen attemperator according to claim 2, is characterized in that, described lining (5) adopts insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031226.8A CN103760012A (en) | 2014-01-22 | 2014-01-22 | Hopkinson test piece insulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031226.8A CN103760012A (en) | 2014-01-22 | 2014-01-22 | Hopkinson test piece insulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103760012A true CN103760012A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410031226.8A Pending CN103760012A (en) | 2014-01-22 | 2014-01-22 | Hopkinson test piece insulation device |
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| CN (1) | CN103760012A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442166A (en) * | 2016-09-14 | 2017-02-22 | 太原理工大学 | Device and method for high-temperature impact torsion test of hopkinson bar |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403665A (en) * | 2008-11-17 | 2009-04-08 | 中南大学 | Sample heating apparatus used for rock impact experiment |
| CN201548466U (en) * | 2009-12-09 | 2010-08-11 | 马芹永 | Controllable constant temperature testing device for low-temperature Hopkinson pressure bar test |
| CN102288497A (en) * | 2011-07-07 | 2011-12-21 | 中国人民解放军空军工程大学 | Heating device for Hopkinson pressure bar test |
| KR101119919B1 (en) * | 2010-05-18 | 2012-03-13 | 국방과학연구소 | High Strain Rate Dynamic Tester |
| CN203376204U (en) * | 2013-06-21 | 2014-01-01 | 张海波 | Low-temperature insulation device for SHPB (split Hopkinson pressure bar) test |
| CN203688347U (en) * | 2014-01-22 | 2014-07-02 | 南京理工大学 | Heat preservation device for Hopkinson test specimens |
-
2014
- 2014-01-22 CN CN201410031226.8A patent/CN103760012A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403665A (en) * | 2008-11-17 | 2009-04-08 | 中南大学 | Sample heating apparatus used for rock impact experiment |
| CN201548466U (en) * | 2009-12-09 | 2010-08-11 | 马芹永 | Controllable constant temperature testing device for low-temperature Hopkinson pressure bar test |
| KR101119919B1 (en) * | 2010-05-18 | 2012-03-13 | 국방과학연구소 | High Strain Rate Dynamic Tester |
| CN102288497A (en) * | 2011-07-07 | 2011-12-21 | 中国人民解放军空军工程大学 | Heating device for Hopkinson pressure bar test |
| CN203376204U (en) * | 2013-06-21 | 2014-01-01 | 张海波 | Low-temperature insulation device for SHPB (split Hopkinson pressure bar) test |
| CN203688347U (en) * | 2014-01-22 | 2014-07-02 | 南京理工大学 | Heat preservation device for Hopkinson test specimens |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442166A (en) * | 2016-09-14 | 2017-02-22 | 太原理工大学 | Device and method for high-temperature impact torsion test of hopkinson bar |
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Application publication date: 20140430 |