CN213275130U - Sample clamping device for coating flame thermal shock test - Google Patents
Sample clamping device for coating flame thermal shock test Download PDFInfo
- Publication number
- CN213275130U CN213275130U CN202022296381.6U CN202022296381U CN213275130U CN 213275130 U CN213275130 U CN 213275130U CN 202022296381 U CN202022296381 U CN 202022296381U CN 213275130 U CN213275130 U CN 213275130U
- Authority
- CN
- China
- Prior art keywords
- thermal shock
- shock test
- sample
- clamping
- coating
- 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
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a sample clamping device for coating flame thermal shock test, which comprises an air inlet pipe, a support main body, a fastening ring and a plurality of clamping claws, wherein the support main body is connected with one end of the air inlet pipe; the fastening ring is sleeved outside the support main body and the clamping claws, and the clamping claws are clamped by screwing the fastening ring. The utility model discloses a sample clamping device for coating flame thermal shock test can realize the clamping of sample and loosen through a fastener, and the clamping is efficient, and the anchor clamps main part reduces its temperature variation in the test at the sample back, promotes the life of anchor clamps.
Description
Technical Field
The utility model relates to an aeroengine thermal barrier coating thermal shock test field, in particular to a sample clamping device for coating flame thermal shock test.
Background
In the field of thermal shock testing of thermal barrier coatings of aero-engines, the working temperature of blades at the hot end of the aero-engines is high, the existing metal materials are difficult to meet the use requirements, the thermal barrier coatings are required to be coated on the blades to guarantee the service life of the blades, and the research and development level of the thermal barrier coatings directly influences the maximum temperature of the hot end of the aero-engines.
Thermal shock tests need to be carried out on the thermal barrier coating at different temperatures in the development process, and the currently adopted coating thermal shock test clamping device is large in size and high in heat capacity, influences the heating/cooling efficiency of a coating thermal shock sample, and is poor in test effect and high in test energy consumption.
Meanwhile, the clamping mode adopts a mode of pressing a plurality of bolts, the mounting efficiency is low, and the bolts have risks of fracture and sintering under repeated high temperature/cooling.
Aiming at the process characteristics of the thermal shock test of the thermal barrier coating, the conventional sample clamping device for the flame thermal shock test of the coating has the following defects:
the clamping device is large in size and high in heat capacity, and the heating/cooling efficiency of a coating thermal shock sample is influenced;
secondly, the clamping efficiency is low, the service life is short, and the automation is not convenient to realize;
and thirdly, the clamping device can only clamp a sample in one shape generally, and the universality is poor.
In view of the above, a sample clamping device for a flame thermal shock test of a coating has been developed by those skilled in the art, so as to overcome the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome among the prior art sample clamping device of coating flame thermal shock test defect such as bulky, inefficiency, low-lived and commonality difference, provide a sample clamping device for coating flame thermal shock test.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a sample clamping device for a coating flame thermal shock test is characterized by comprising an air inlet pipe, a support main body, a fastening ring and a plurality of clamping claws, wherein the support main body is connected with one end of the air inlet pipe;
the fastening ring is sleeved outside the support main body and the clamping claws, and the clamping claws are clamped by screwing the fastening ring.
According to an embodiment of the invention, the clamping jaws are evenly distributed on the holder body.
According to the utility model discloses an embodiment, seted up the ring channel on the side outer wall of sample spare, the top card of clamping jaw is gone into the ring channel.
According to an embodiment of the present invention, the annular groove is an annular V-shaped groove.
According to the utility model discloses an embodiment, the cooling bath has been seted up to the up end of support main part.
According to the utility model discloses an embodiment, the inside of intake pipe is provided with the air vent, through the air vent sends into cooling gas the support main part, by the up end of support main part blows off.
According to an embodiment of the present invention, there is a gap between the sample piece and the upper end surface of the holder main body.
According to the utility model discloses an embodiment, the up end of support main part is provided with a plurality of supporting parts, the sample spare is located on the supporting part, the cooling trough is located between the supporting part.
According to an embodiment of the invention, the support part is a point support, a spiral support or a labyrinth support.
According to the utility model discloses an embodiment, sample clamping device still includes the base, the other end of intake pipe is inserted and is established on the base.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses a sample clamping device for coating flame thermal shock test has following a great deal of advantage:
firstly, a clamping tool for quickly clamping a thermal shock sample is adopted, and the heat capacity of the tool is small, so that the thermal shock state of the thermal barrier coating is better simulated, and a better thermal barrier coating thermal shock test effect is obtained.
The fixture adopts a special structure to fix the sample, has small volume and low heat capacity, has small contact area with the sample, and shields the fixture main body when heating the sample, effectively improves the heating/cooling efficiency of the thermal barrier coating sample, and greatly reduces the requirements on heating and cooling energy sources during thermal shock testing.
And thirdly, the clamping jaw structure can realize clamping of various coating samples such as cylinders, squares, special shapes and the like, the number of clamps is reduced, and the economical efficiency is improved.
The clamping and loosening of the sample can be achieved through one fastening device, the clamping efficiency is high, the clamp body is arranged behind the sample, the temperature change of the clamp body in the test is reduced, and the service life of the clamp is prolonged.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout, and in which:
fig. 1 is a schematic structural view of the sample clamping device for coating flame thermal shock test of the present invention.
Fig. 2 is a first schematic structural diagram of a supporting portion in a sample clamping device for coating flame thermal shock testing of the present invention.
Fig. 3 is a schematic structural diagram of a supporting portion in the sample clamping device for coating flame thermal shock test according to the present invention.
Fig. 4 is a third schematic structural view of the supporting portion in the sample clamping device for coating flame thermal shock test of the present invention.
[ reference numerals ]
Bracket main body 20
Clamping jaw 40
Support part 21
Flame gun 60
Front cooling air pipe 70
Arrow A
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1 is a schematic structural view of the sample clamping device for coating flame thermal shock test of the present invention. Fig. 2 is a first schematic structural diagram of a supporting portion in a sample clamping device for coating flame thermal shock testing of the present invention. Fig. 3 is a schematic structural diagram of a supporting portion in the sample clamping device for coating flame thermal shock test according to the present invention. Fig. 4 is a third schematic structural view of the supporting portion in the sample clamping device for coating flame thermal shock test of the present invention.
As shown in fig. 1 to 4, the utility model discloses a sample clamping device for coating flame thermal shock test, it includes intake pipe 10, support main part 20, tighrening ring 30 and a plurality of clamping jaw 40, is connected support main part 20 with the one end of intake pipe 10, and clamping jaw 40 installs on support main part 20, and sample 50 places in clamping jaw 40. The fastening ring 30 is fitted over the holder body 20 and the clamping claws 40, and the clamping claws 40 are clamped by tightening the fastening ring 30.
Preferably, the clamping jaws 40 are evenly distributed on the holder body 20. An annular groove 51 is formed in the outer wall of the side face of the sample piece 50, and the top end of the clamping claw 40 is clamped into the annular groove 51. The annular groove 51 may preferably be an annular V-groove.
Further, a cooling groove is formed in the upper end surface of the holder main body 20. The intake duct 10 is provided with a vent hole inside, and the cooling gas is sent into the holder main body 20 through the vent hole and blown out from the upper end surface of the holder main body 20. There is a gap between the sample piece 50 and the upper end surface of the holder main body 20.
More preferably, the upper end surface of the rack main body 20 is provided with a plurality of supporting portions 21, the sample piece 50 is positioned on the supporting portions 21, and the cooling groove is positioned between the supporting portions 21. The support portion 21 is preferably a point support, a spiral support, or a labyrinth support.
In addition, the sample clamping device may further include a base, and the other end of the air inlet pipe 10 is inserted into the base.
According to the structural description, the utility model discloses a sample clamping device for coating flame thermal shock test, sample 50 is preferably the thermal shock test sample, and the sample is cylindrical, and it has cyclic annular V type groove to open on the side outer wall, and it has thermal barrier coating 52 to coat on sample 50. The clamping jaws 40, which are uniformly distributed in the clamped state, hold the thermal shock test specimen (i.e., the specimen 50) in the calculated proper position. The tightening of the clamping ring 30 pushes the clamping jaws 40 inward, so that the tips of the clamping jaws 40 engage in the annular groove of the thermal shock test specimen. The upper end surface of the holder main body 20 may be provided with a cooling groove as required. The intake duct 10 is provided with a vent hole therein for sending cooling gas into the holder main body 20 and blowing the cooling gas out through the upper end surface of the holder main body 20
When the thermal shock test sample (i.e. the sample piece 50) is fixed at a proper position, a proper gap is formed between the lower surface of the sample piece 50 and the upper end surface of the bracket main body 20 to ensure the cooling effect of the air flow. The air inlet pipe 10 can be inserted on the base, and test requirements of different quantities and different positions are met according to different test requirements. For thermal shock samples with different shapes and sizes, the same clamping effect can be achieved by replacing the clamping claws 40.
In addition, different supports can be added on the upper end surface of the bracket main body 20, so that the support for the thermal shock test sample (i.e. the sample piece 50) can be better maintained, and a special cooling groove is formed, so that the cooling effect is enhanced, for example, a point-shaped support shown in fig. 2, a spiral support shown in fig. 3, or a labyrinth support shown in fig. 4.
The utility model discloses a sample clamping device for coating flame thermal shock test has following characteristics:
the sample clamping device is a clamping tool for quickly clamping thermal shock samples, adopts a plurality of clamping claws to fix a coating sample, and has small contact area with the sample and small heat conduction loss.
And the clamp main body is designed behind the coating sample, has small volume and has a certain distance with the sample.
And thirdly, the clamping mode is simple and reliable, the requirements of alignment and accurate positioning are avoided, and the automation is convenient to realize.
And fourthly, clamping of various coating samples such as cylinders, squares, special shapes and the like can be realized by adjusting the number and the size of the clamping claws.
And fifthly, arranging a proper cooling device in the clamping device to ensure the cooling requirements of the thermal barrier coating sample, such as cooling efficiency and cooling consistency.
The utility model discloses an operation application steps is used for sample clamping device of coating flame thermal shock test:
step one, inserting a fixing support rod of the air inlet pipe 10 into a base.
And secondly, placing a thermal shock test sample (namely, a sample piece 50) coated with the thermal barrier coating 52 on the bracket main body 20, wherein the sample is approximately placed at the upper end of the bracket main body 20.
And step three, tightening the fastening ring 30, wherein the clamping claws 40 clamp into annular grooves on the outer wall of the thermal shock test sample (i.e. the test piece 50) and jack the thermal shock test sample (i.e. the test piece 50) in a proper position.
And step four, controlling whether the thermal shock sample (namely the sample piece 50) is cooled or not through a control valve on the base at the moment.
And step five, after the test is finished, unscrewing the fastening ring 30, and at this time, dropping the thermal shock test sample (i.e. the test sample piece 50) back to the bracket main body 20, and taking down the test sample piece 50.
In the thermal shock test, the flame gun 60 and the front cold air pipe 70 are used for impact and move along the direction of an arrow A.
To sum up, the utility model discloses a sample clamping device for coating flame thermal shock test has following a great deal of advantage:
firstly, a clamping tool for quickly clamping a thermal shock sample is adopted, and the heat capacity of the tool is small, so that the thermal shock state of the thermal barrier coating is better simulated, and a better thermal barrier coating thermal shock test effect is obtained.
The fixture adopts a special structure to fix the sample, has small volume and low heat capacity, has small contact area with the sample, and shields the fixture main body when heating the sample, effectively improves the heating/cooling efficiency of the thermal barrier coating sample, and greatly reduces the requirements on heating and cooling energy sources during thermal shock testing.
And thirdly, the clamping jaw structure can realize clamping of various coating samples such as cylinders, squares, special shapes and the like, the number of clamps is reduced, and the economical efficiency is improved.
The clamping and loosening of the sample can be achieved through one fastening device, the clamping efficiency is high, the clamp body is arranged behind the sample, the temperature change of the clamp body in the test is reduced, and the service life of the clamp is prolonged.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (10)
1. A sample clamping device for a coating flame thermal shock test is characterized by comprising an air inlet pipe, a support main body, a fastening ring and a plurality of clamping claws, wherein the support main body is connected with one end of the air inlet pipe, the clamping claws are arranged on the support main body, and a sample piece is placed in the clamping claws;
the fastening ring is sleeved outside the support main body and the clamping claws, and the clamping claws are clamped by screwing the fastening ring.
2. The specimen clamping device for the flame thermal shock test of the coating according to claim 1, wherein the clamping jaws are evenly distributed on the support body.
3. The specimen clamping device for the flame thermal shock test of the coating of claim 1, wherein an annular groove is formed on the outer wall of the side surface of the specimen, and the top end of the clamping claw is clamped into the annular groove.
4. The specimen holder of claim 3 wherein the annular groove is an annular V-groove.
5. The specimen clamping device for the flame thermal shock test of the coating of claim 1, wherein the upper end surface of the bracket main body is provided with a cooling groove.
6. The specimen clamping device for the coating flame thermal shock test as recited in claim 1, wherein a vent hole is formed in the air inlet pipe, and cooling gas is sent into the bracket main body through the vent hole and blown out from the upper end face of the bracket main body.
7. The specimen holder for the flame thermal shock test of the coating of claim 1, wherein there is a gap between the specimen and the upper end surface of the holder body.
8. The specimen clamping device for the flame thermal shock test of the coating layer according to claim 5, wherein a plurality of supporting parts are arranged on the upper end surface of the bracket main body, the specimen pieces are positioned on the supporting parts, and the cooling groove is positioned between the supporting parts.
9. The specimen holder for coating flame thermal shock test of claim 8, wherein the support portion is a point support, a spiral support or a labyrinth support.
10. The specimen clamping device for the coating flame thermal shock test of claim 1, further comprising a base, wherein the other end of the air inlet pipe is inserted on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022296381.6U CN213275130U (en) | 2020-10-15 | 2020-10-15 | Sample clamping device for coating flame thermal shock test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022296381.6U CN213275130U (en) | 2020-10-15 | 2020-10-15 | Sample clamping device for coating flame thermal shock test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213275130U true CN213275130U (en) | 2021-05-25 |
Family
ID=75951303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022296381.6U Active CN213275130U (en) | 2020-10-15 | 2020-10-15 | Sample clamping device for coating flame thermal shock test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213275130U (en) |
-
2020
- 2020-10-15 CN CN202022296381.6U patent/CN213275130U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213275130U (en) | Sample clamping device for coating flame thermal shock test | |
| CN106769429A (en) | The improved method that a kind of thermal expansion phase transformation instrument drawing by high temperature sample has thermograde | |
| CN207498462U (en) | A kind of vacuum aluminum-coated fixture | |
| CN113176156A (en) | Light gas gun test device capable of switching rotatable gun barrel in situ | |
| CN214199620U (en) | Hot air baffle of drying kiln | |
| CN105334103A (en) | Thermal barrier coating gradient thermal shock test sample fixture device | |
| CN106840868B (en) | Sample clamp for high-temperature erosion test of thermal barrier coating | |
| CN211805139U (en) | Quick cooling device of pyrocondensation collet chuck | |
| CN215375658U (en) | Full-automatic LED aging testing device | |
| CN215066711U (en) | High-sensitivity multi-channel immunofluorescence quantitative analyzer | |
| CN205630303U (en) | Optical locating frock is thrown to hole of precious stone pipe | |
| CN108020456B (en) | Nitrogen blows appearance and nitrogen blows appearance test tube mount pad | |
| CN221549584U (en) | Jig deformation measuring device | |
| CN220437766U (en) | Quick testing device for ventilation resistance of radiator of automobile air conditioner water tank | |
| CN209894499U (en) | Pneumatic hammer riveting process simulation and monitoring experiment table | |
| CN209979394U (en) | Ceramic matrix composite ultra-high temperature stretching combined clamp | |
| CN207391541U (en) | For the coating clamp of non-porous blade | |
| CN217164965U (en) | Clamping tool for thermal spraying of circular test sample | |
| CN219024363U (en) | Heat preservation device and pipetting device | |
| CN210071713U (en) | Sample clamp for ultra-high temperature ablation performance examination test | |
| CN216347065U (en) | Hot air gun | |
| CN221745965U (en) | Vertical burning test sample clamping device | |
| CN216696000U (en) | Stainless steel intergranular corrosion device | |
| CN217929810U (en) | High-temperature tube furnace | |
| CN209504023U (en) | Portable stove tweel block fetching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |