CN110308058A - A kind of heat preservation tooling in low-temperature impact test slot - Google Patents
A kind of heat preservation tooling in low-temperature impact test slot Download PDFInfo
- Publication number
- CN110308058A CN110308058A CN201910744621.3A CN201910744621A CN110308058A CN 110308058 A CN110308058 A CN 110308058A CN 201910744621 A CN201910744621 A CN 201910744621A CN 110308058 A CN110308058 A CN 110308058A
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- Prior art keywords
- sample
- heat preservation
- groove
- tooling
- low
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Links
- 238000004321 preservation Methods 0.000 title claims abstract description 34
- 238000009863 impact test Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
-
- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses the heat preservation toolings in a kind of low-temperature impact test slot, and it includes the pallet grid that several are stacked, every layer of pallet grid is equipped with several grooves for being used to be put into sample；Wherein, the bottom surface of the groove is tilted from the first side of the groove to second side, and the first side and the second side are oppositely arranged, and the bottom of the second side is lower than the bottom of the first side；There is the first gap between the sample being put into and the first side；The second side is equipped with recessed portion, makes have the second gap between the sample being put into and the second side；Under use state, when sample is put into the groove, sample can slide to the second side of the groove；When sample is shifted, transfer device can extend into first gap and second gap picks up sample.Heat preservation tooling of the invention can be positioned quick and precisely, and not will lead to the mutual touching of sample.
Description
Technical field
The present invention relates to metal detecting apparatus technical fields, and in particular to the heat preservation work in a kind of low-temperature impact test slot
Dress.
Background technique
Charpy-type test is the test to measure the anti-notch sensitivity of metal material (toughness).It is prepared with certain shapes
With the test button of size, U-shaped breach or V-notch are made it have, simply supported beam state is on charpy impact test machine, with
The pendulum that testing machine lifts makees one-shot, thrusts sample along notch, is calculated and is tried with pendulum when fractureing again lifting heights difference
The absorption function of sample.It absorbs work value (joule) greatly, indicates that toughness of material is good, to the notch or others stress concentration in structure
It is insensitive.
Charpy-type test can make impact test at different temperatures, and more common cooled down using liquid medium,
Require in related national standard GB/T 229: when using liquid medium cooling samples, sample should be placed in the grid in a container,
Grid is at least above container bottom 25mm, and the height at least 25mm of the dipped sample of liquid, sample is away from container side wall at least 10mm, examination
Sample is away from keeping enough distances between Cryo Equipment inner surface and sample and sample.
Grid used at present, sample can be accomplished to be separated from each other when placing, but in insulating process, due to
It needs to be stirred the liquid medium in cryostat, so that temperature is uniform, frequently results in impact specimen and moved on grid
It is dynamic, it mutually touches, is not able to satisfy the requirement of standard.Conventional way is, as far as possible there are certain space in a cryostat,
The quantity for putting sample is reduced, but so will result in the reduction of test efficiency, and not can guarantee sample and be bound to not touch mutually
It touches.
Summary of the invention
The object of the present invention is to provide a kind of convenient, the efficient and reasonable heat preservation tooling for being used for sample heat preservation, heat preservations
Process meets the requirements of the standard, and can quick and precisely position during clamping, and not will lead to the mutual touching of sample.
In order to achieve the above object, the present invention provides the heat preservation tooling in a kind of low-temperature impact test slot, the heat preservation works
The pallet grid that dress is stacked comprising several, every layer of pallet grid are equipped with several grooves for being used to be put into sample；
Wherein, the bottom surface of the groove is tilted from the first side of the groove to second side, the first side and described
Second side is oppositely arranged, and the bottom of the second side is lower than the bottom of the first side；The sample being put into and institute
There is the first gap between the first side stated；The second side is equipped with recessed portion, makes the sample being put into and described the
There is the second gap between two side faces；Under use state, when sample is put into the groove, sample can slide to the groove
Second side；When sample is shifted, transfer device can extend into first gap and second gap for sample
It picks up.
Preferably, the bottom surface of the groove is horizontal by 8~15 ° of angles.
Preferably, the depth of the groove is 5~8mm.
Preferably, the shape of the horizontal cross-section of the groove is " convex " font.
Preferably, the groove is greater than 25mm at a distance from the edge of the pallet grid.
Preferably, the heat preservation tooling also includes: set on the bottom of the pallet grid, being used to support the pallet
The bracket of grid.
Preferably, the height of the bracket is not less than 30mm.
Preferably, the heat preservation tooling also includes: filling the container of liquid medium, the pallet grid is placed in the appearance
In device.
Preferably, the groove is greater than 25mm at a distance from the bottom of the container.
Preferably, the distance between adjacent pallet grid is 25~40mm in the pallet grid being stacked.
The utility model has the advantages that
(1) present invention can avoid in sample insulating process, due to the vibration and stirring of cryostat, cause sample in pallet
The case where being moved above grid, mutually touching, be not able to satisfy the requirement of standard generation.
It (2), can be more accurate due to the presence of bottom portion of groove inclination and recessed portion when being taken using special low temperature clamp
Quickly positioning, avoids because the muddiness and the visual field of alcohol or the too low generation of other chilled liquid temperatures are bad, to cause to press from both sides
Hold the case where being not allowed and adjusting repeatedly.
(3) shape of groove is convex, and sample is avoided to be attached in pallet grid or be bonded to each other, and leads to not clamping
Phenomenon occurs, can be convenient for precisely quick positioning clamping sample.
Detailed description of the invention
Fig. 1 is the top view of the heat preservation tooling in low-temperature impact test slot of the invention.
Fig. 2 is the main view of the heat preservation tooling in low-temperature impact test slot of the invention.
Fig. 3 is the left view of the heat preservation tooling in low-temperature impact test slot of the invention.
Fig. 4 is the top view of the groove in the heat preservation tooling of embodiment 1.
Specific embodiment
Below in conjunction with drawings and examples, the following further describes the technical solution of the present invention.
As shown in Figure 1 to Figure 3, the heat preservation tooling in low-temperature impact test slot of the invention includes what several were stacked
Pallet grid 1, every layer of pallet grid 1 are equipped with several grooves 2 for being used to be put into sample.Wherein, the bottom surface of the groove 2
It being tilted from the first side of the groove 2 to second side, the first side and the second side are oppositely arranged, and
And the bottom of the second side is lower than the bottom of the first side；Have between the sample being put into and the first side
First gap；The second side is equipped with recessed portion 21, makes have second between the sample being put into and the second side
Gap.Under use state, when sample is put into the groove 2, sample can slide to the second side of the groove 2；By sample
When transfer, transfer device can extend into first gap and second gap picks up sample.
Heat preservation tooling of the invention is suitable for Charpy pendulum impact test, and specific test method is referring to national standard.At present
Referring to national standard GB/T 229.The length of standard size impact specimen is 55mm, and cross section is the square-section 10mm x 10mm,
There are V-type or U-shaped notch among specimen length.Transfer device can be taken out from medium using the clamp in GB/T 229-2007
Sample is placed on testing machine.
Pallet grid 1 and groove 2 are set as with porose mesh basket.The depth of the groove is 5~8mm.
The bottom surface of the groove 2 is horizontal by 8~15 ° of angles.Due to the inclined bottom surface of groove 2, after being put into sample, examination
Sample under the effect of gravity, can slide to inclined direction.In Fig. 1 and Fig. 2, sample can slide to right side in groove 2 from left side.Bottom surface
Quick positioning when inclined groove 2 is conducive to shift sample to sample, because the second side that sample can be attached to groove 2 (is set
Have the one side of recessed portion 21) on, position is relatively-stationary.When placing sample, sample non-notch face is made to lean against groove 2 second
It is jagged to face outwardly on side, it is precisely clamped convenient for impact special fixture.
In some embodiments, the shape of the horizontal cross-section of the groove 2 is " convex " font.Groove 2 can avoid sample patch
It in pallet grid 1 or is bonded to each other, leads to not the phenomenon that clamping, it can be convenient for precisely quick positioning clamping sample.
The concrete shape of " convex " font groove 2 sees Fig. 1." convex " font groove 2 is that the slot of rectangle adds recessed portion 21.Sample is square
Shape, therefore the main body section of groove 2 is in rectangle.Since sample needs transfer device to remove groove 2, and sample in transfer process
It is attached in the second side of groove 2, causes transfer device that can not protrude into.Therefore, recessed portion is set in the second side of groove 2
21, for protruding into for transfer device.
It, can be more accurate due to the presence of groove 2 bottom angled and recessed portion 21 when being taken using special low temperature clamp
Quickly positioning, avoids because the muddiness and the visual field of alcohol or the too low generation of other chilled liquid temperatures are bad, to cause to press from both sides
Hold the case where being not allowed and adjusting repeatedly.
To comply with standard, the groove 2 is greater than 25mm at a distance from the edge of the pallet grid 1.
The bottom of the pallet grid 1 is equipped with four brackets 11 of the support pallet grid 1, it is ensured that pallet grid
1 can steadily place.The height of the bracket 11 is not less than 30mm.If multiple layer tray grid 1 is arranged, in every layer of pallet
Bracket 11 is also provided under grid 1, the distance between adjacent pallet grid 1 is 25~40mm.
The heat preservation tooling also includes: filling the container (not shown) of liquid medium, the pallet grid 1 is placed in
In the container.The groove 2 is greater than 25mm at a distance from the bottom of the container.
Embodiment 1
A kind of heat preservation tooling in low-temperature impact test slot, is equipped with a pallet grid, and pallet grid is equipped with multiple use
In the groove for being put into sample.The depth of groove is 5~8mm.The top view of groove is as shown in figure 4, be in " convex " font.The master of groove
Body is in rectangle, and length is 70~80mm, and width is 20~30mm.The second side (top in Fig. 4) of groove is equipped with recessed portion,
Recessed 5~the 10mm of recessed portion, the width of recessed portion are 20~30mm.The bottom of groove is tilted down towards second side.
In conclusion the heat preservation tooling in low-temperature impact test slot of the invention is easy to use, efficient and reasonable, kept the temperature
Journey meets the requirements of the standard, and can more rapidly be accurately positioned during clamping, and not will lead to the mutual touching of sample.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. the heat preservation tooling in a kind of low-temperature impact test slot, which is characterized in that the heat preservation tooling is stacked comprising several
Pallet grid, every layer of pallet grid is equipped with several grooves for being used to be put into sample；Wherein,
The bottom surface of the groove is tilted from the first side of the groove to second side, the first side and described
Two side faces are oppositely arranged, and the bottom of the second side is lower than the bottom of the first side；The sample being put into it is described
First side between have the first gap；The second side is equipped with recessed portion, makes the sample being put into and described second
There is the second gap between side；
Under use state, when sample is put into the groove, sample can slide to the second side of the groove；Sample is shifted
When, transfer device can extend into first gap and second gap picks up sample.
2. the heat preservation tooling in low-temperature impact test slot according to claim 1, which is characterized in that the bottom surface of the groove
Horizontal by 8~15 ° of angles.
3. the heat preservation tooling in low-temperature impact test slot according to claim 1, which is characterized in that the depth of the groove
For 5~8mm.
4. the heat preservation tooling in low-temperature impact test slot according to claim 1, which is characterized in that the water of the groove
The shape of plane section is " convex " font.
5. the heat preservation tooling in low-temperature impact test slot according to claim 1, which is characterized in that the groove and institute
The distance at the edge for the pallet grid stated is greater than 25mm.
6. the heat preservation tooling in low-temperature impact test slot according to claim 1, which is characterized in that the heat preservation tooling
Also include: set on the bottom of the pallet grid, being used to support the bracket of the pallet grid.
7. the heat preservation tooling in low-temperature impact test slot according to claim 6, which is characterized in that the height of the bracket
Degree is not less than 30mm.
8. the heat preservation tooling in low-temperature impact test slot according to claim 1, which is characterized in that the heat preservation tooling
Also include: filling the container of liquid medium, the pallet grid is placed in the container.
9. the heat preservation tooling in low-temperature impact test slot according to claim 8, which is characterized in that the groove and institute
The distance of the bottom for the container stated is greater than 25mm.
10. the heat preservation tooling in low-temperature impact test slot according to claim 1, which is characterized in that the support being stacked
In flaking grid, the distance between adjacent pallet grid is 25~40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744621.3A CN110308058A (en) | 2019-08-13 | 2019-08-13 | A kind of heat preservation tooling in low-temperature impact test slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744621.3A CN110308058A (en) | 2019-08-13 | 2019-08-13 | A kind of heat preservation tooling in low-temperature impact test slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110308058A true CN110308058A (en) | 2019-10-08 |
Family
ID=68083346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910744621.3A Pending CN110308058A (en) | 2019-08-13 | 2019-08-13 | A kind of heat preservation tooling in low-temperature impact test slot |
Country Status (1)
| Country | Link |
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| CN (1) | CN110308058A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466023A (en) * | 2021-06-30 | 2021-10-01 | 广船国际有限公司 | Sample storage tank device for low-temperature impact test |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006030144A (en) * | 2004-07-21 | 2006-02-02 | Kajikkusu Trading:Kk | Sample tube heat-insulating tray and heat insulating box for multi-well plate |
| KR20100005631U (en) * | 2008-11-25 | 2010-06-04 | 양성원 | Preservation container for feed sample |
| KR20110104223A (en) * | 2010-03-16 | 2011-09-22 | 김재봉 | Gap structure of usim chip for mobile communication terminal test |
| CN202735157U (en) * | 2012-07-30 | 2013-02-13 | 武汉钢铁(集团)公司 | Adjustable sample heat preservation holder used for steel plate drop-weight test |
| CN203241290U (en) * | 2013-05-16 | 2013-10-16 | 武汉钢铁(集团)公司 | Support for cooling drop weight tear test sample |
| CN205906396U (en) * | 2016-07-11 | 2017-01-25 | 武汉钢铁股份有限公司 | Categorised box of checking of impact specimen |
| CN208270321U (en) * | 2018-05-09 | 2018-12-21 | 天津钢管集团股份有限公司 | steel impact sample cooling support device |
| CN208833585U (en) * | 2018-08-29 | 2019-05-07 | 广州文冲船厂有限责任公司 | A kind of centering tooling for Charpy-type test |
| CN210347357U (en) * | 2019-08-13 | 2020-04-17 | 上海电气核电设备有限公司 | Heat preservation frock in impact test low temperature groove |
-
2019
- 2019-08-13 CN CN201910744621.3A patent/CN110308058A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006030144A (en) * | 2004-07-21 | 2006-02-02 | Kajikkusu Trading:Kk | Sample tube heat-insulating tray and heat insulating box for multi-well plate |
| KR20100005631U (en) * | 2008-11-25 | 2010-06-04 | 양성원 | Preservation container for feed sample |
| KR20110104223A (en) * | 2010-03-16 | 2011-09-22 | 김재봉 | Gap structure of usim chip for mobile communication terminal test |
| CN202735157U (en) * | 2012-07-30 | 2013-02-13 | 武汉钢铁(集团)公司 | Adjustable sample heat preservation holder used for steel plate drop-weight test |
| CN203241290U (en) * | 2013-05-16 | 2013-10-16 | 武汉钢铁(集团)公司 | Support for cooling drop weight tear test sample |
| CN205906396U (en) * | 2016-07-11 | 2017-01-25 | 武汉钢铁股份有限公司 | Categorised box of checking of impact specimen |
| CN208270321U (en) * | 2018-05-09 | 2018-12-21 | 天津钢管集团股份有限公司 | steel impact sample cooling support device |
| CN208833585U (en) * | 2018-08-29 | 2019-05-07 | 广州文冲船厂有限责任公司 | A kind of centering tooling for Charpy-type test |
| CN210347357U (en) * | 2019-08-13 | 2020-04-17 | 上海电气核电设备有限公司 | Heat preservation frock in impact test low temperature groove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466023A (en) * | 2021-06-30 | 2021-10-01 | 广船国际有限公司 | Sample storage tank device for low-temperature impact test |
| CN113466023B (en) * | 2021-06-30 | 2023-12-05 | 广船国际有限公司 | Sample storage tank device for low-temperature impact test |
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| CB03 | Change of inventor or designer information |
Inventor after: Xie Xiaoyu Inventor after: Jin Gang Inventor after: Gu Jialei Inventor after: Ding Jian Inventor after: Xue Xiaoli Inventor before: Xie Xiaoyu Inventor before: Gu Jialei Inventor before: Ding Jian Inventor before: Xue Xiaoli |
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