CN206740684U - A kind of specimen holder for ablation under ultra high temperature guaranteed performance test - Google Patents
A kind of specimen holder for ablation under ultra high temperature guaranteed performance test Download PDFInfo
- Publication number
- CN206740684U CN206740684U CN201720166284.0U CN201720166284U CN206740684U CN 206740684 U CN206740684 U CN 206740684U CN 201720166284 U CN201720166284 U CN 201720166284U CN 206740684 U CN206740684 U CN 206740684U
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- China
- Prior art keywords
- support arm
- fixture
- adjustable support
- fixed
- guide rail
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Abstract
The utility model provides a kind of specimen holder for ablation under ultra high temperature guaranteed performance test.The utility model includes fixture hold-down support, and fixture fixes support arm, fixture adjustable support arm, sample holder notch, fixture adjustable support arm regulation guide rail and support arm circulating water cooling system.Fixture hold-down support is fixed using the mode such as threaded connection or clamp clamping；Fixture is fixed support arm and is fixed on fixture hold-down support；Fixture adjustable support arm is fixed on fixture adjustable support arm regulation guide rail, and can be moved on regulation guide rail, the distance that alignment jig is fixed between support arm and adjustable support arm；Fixture fixes support arm and fixture adjustable support arm inner hollow, using circulating water；Sample clamping notch, which is located at fixture, to be fixed at the top of support arm and fixture adjustable support arm.The utility model can tolerate superhigh temperature, can clamp the sample to be examined of different size shapes, reusable, long lifespan, clamp structure is simple, easy for installation.
Description
Technical field
It the utility model is related to the ablation under ultra high temperature Performance Assessment field of material, and in particular to one kind is used for material ultra-temperature
The specimen holder of ablation property certification test.
Background technology
The high-temperature heat-resistance part of rocket engine, aerospace craft etc. is on active service under ablation under ultra high temperature environment for a long time, to height
The Burning corrosion resistance of warm heat-resistant part material can propose more and more harsh requirement.Burning corrosion resistance can evaluate such material can use
Property important indicator, comprehensively examined before material development stage and actual use, it is necessary to which system can be carried out to its Burning corrosion resistance
Core is evaluated.
Test method for material anti-yaw damper Performance Assessment mainly includes installation flight test and ground simulation test.Dress
Machine flight test examination process is extremely complex, with high costs, preparatory period length, real typically after technology and the equal comparative maturity of material
Apply, verified for carrying out final ablation to exotic material.Comparatively speaking, the ground simulation test cycle is short, cost is low, experiment
Process control is strong, is studied suitable for the basic property frequently tested, and is the effective ways of research material Burning corrosion resistance energy.Mesh
Before, research material Burning corrosion resistance can ground simulation experiment method include arc plasma wind tunnel, combustion gas wind tunnel, small
The ablation of h type engine h wake flame, supersonic flame ablation and oxy-acetylene flame ablation etc..During ablation property certification test, examined
Core sample bears high speed, superhigh temperature combustion gas is washed away and ablation, and fuel gas temperature is up to 3000 DEG C or so, and sample to be examined is within the several seconds
It is heated to very high temperature, it is desirable to which the clamping device of sample to be examined can bear washing away and applying simultaneously corresponding for high-temperature fuel gas
Clamp load.At present, the fixture of sample to be examined is made using graphite, refractory material etc. more in ablation test, clamp material
A certain degree of oxidation and ablation can also be occurred in ablation test, specimen holder is mostly disposable and more difficult is used for sample
Long-time ablation under ultra high temperature examination.In order to ensure that the long-time ablation under ultra high temperature performance of the uniformity of ablation test and material is examined
Core is, it is necessary to develop a kind of reusable specimen holder for ablation under ultra high temperature guaranteed performance test.
Utility model content
(1) technical problems to be solved
The technical problems to be solved in the utility model is to provide a kind of sample for ablation under ultra high temperature guaranteed performance test
Fixture with overcome in the prior art fixture can not for a long time, reuse and tolerance superhigh temperature combustion gas wash away the defects of.
(2) technical scheme
In order to solve the above technical problems, the utility model provides a kind of sample for ablation under ultra high temperature guaranteed performance test
Fixture, including fixture hold-down support, fixture fixation support arm, fixture adjustable support arm, sample holder notch, fixture can adjust
Support arm adjusts guide rail and support arm circulating water cooling system；
Fixture is fixed support arm and is fixed on fixture hold-down support；
Fixture adjustable support arm regulation guide rail is two to be parallel to each other, is each attached on fixture hold-down support；It is described
Fixture fixes support arm axis and fixture adjustable support arm diameter parallel, parallels to the axis and is adjusted with two fixture adjustable support arms
Save the center line of guide rail at grade；
Fixture adjustable support arm is vertically connected on two fixture adjustable support arms regulation guide rails, and can in fixture
Moved on regulation support arm regulation guide rail, the distance fixed with alignment jig between support arm and adjustable support arm；
Sample holder notch is fixed at the top of support arm and fixture adjustable support arm positioned at fixture respectively, is set inside notch
Thermocouple measurement is by the back temperature of examination sample；
Fixture fixes support arm and fixture adjustable support arm inner hollow, and inside sets support arm circulating water cooling system.
Preferably, by being located at respectively, fixture fixes support arm outside to the support arm circulating water cooling system and fixture can adjust
Cooling water inlet pipe on the outside of support arm and the current fixed respectively positioned at fixture inside support arm and fixture adjustable support arm
Passage forms with cooling water outlet pipe；
The pipeline upper end of cooling water outlet pipe be recirculated water flow back water inlet, and with sample holder notch maintain space away from
From；The lower end of duct of cooling water outlet pipe is extended to below fixture hold-down support horizontal plane, the lower end of duct of cooling water outlet pipe
For recirculated water recycling effluent mouth.
Preferably, the fixture hold-down support is given using threaded connection, clamp clamping mode in specimen is clamped
It is fixed.
Preferably, the fixture fixes support arm and is fixed on fixture hold-down support by the way of welding or threaded connection
On.
Preferably, fixture adjustable support arm regulation guide rail has parallel two, and the two axis vertical range is 50-
500mm。
Specimen holder of the present utility model when in use, its fixture fix the recirculated water of support arm and adjustable support arm from
Water inlet pipe is flowed into, and flows through support arm inner hollow water stream channel, and water outlet pipeline is flowed back into from recirculated water backflow water inlet, from
The recirculated water recycling effluent mouth outflow of outlet pipe；
(3) beneficial effect
Specimen holder provided by the utility model can tolerate washing away for superhigh temperature combustion gas, and tolerable more than 2000 DEG C is super
High temperature；The sample to be examined of size shape of different sizes can be clamped, it is applied widely；It is reusable, and service life is grown,
Clamp structure is simple, sample strong applicability easy for installation.
Brief description of the drawings
Fig. 1 is the specimen holder top view that the utility model is used for ablation under ultra high temperature guaranteed performance test.5 be that fixture is adjustable
Section support arm regulation guide rail, the 501 two fixture adjustable support arms regulation guide rails respectively parallel with 502,101,102,103
It is hold-down support fastening thread with 104,201 and 201 be that fixture fixes support arm fastening thread, and 301 and 302 can adjust for fixture
Support arm fastening thread.
Fig. 2 is Fig. 1 Section A-A figure.In figure, 1 is fixture hold-down support, and 2 be that fixture fixes support arm, and 3 be that fixture can
Support arm is adjusted, 4 be sample holder notch, and 6 be circulating water cooling system.601 and 602 be respectively that fixture fixes support arm and adjustable
Support arm cooling water inlet pipe is saved, 603 and 604 be respectively that fixture fixes support arm and adjustable support arm cooling water outlet pipe.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to the scope of the utility model.If do not refer in particular to
Conventional meanses bright, that technological means used is well known to those skilled in the art in embodiment.
Embodiment 1
The utility model provides a kind of specimen holder for ablation under ultra high temperature guaranteed performance test, as shown in figure 1, including
Fixture hold-down support, fixture fix support arm, fixture adjustable support arm, sample holder notch, fixture adjustable support arm tune
Save guide rail and circulating water cooling system.
The fixture hold-down support is clamped using threaded connection, clamp or other mechanical systems are consolidated during experiment
It is fixed.
The fixture is fixed support arm and is fixed on by the way of welding and threaded connection on hold-down support.
The fixture adjustable support arm 3 is fixed on fixture adjustable support arm regulation guide rail by the way of threaded connection
On, fixture adjustable support arm can move on regulation guide rail, alignment jig fix between support arm and adjustable support arm away from
From；Regulation guide rail by two guide rails being parallel to each other and is formed, and its length is 50-500mm；Fixture fixes support arm axis and folder
Have adjustable support arm diameter parallel, parallel to the axis with the center line of two regulation guide rails at grade.
The circulating water cooling system fixes support arm circulating water channel by cooling water inlet pipe with fixture, fixture can adjust
Support arm circulating water channel, cooling water outlet pipe composition；The pipeline upper end of cooling water outlet pipe is recirculated water backflow water inlet, and
Space length is maintained with sample holder notch；The lower end of duct of cooling water outlet pipe is extended under fixture hold-down support horizontal plane
Side, the lower end of duct of cooling water outlet pipe is recirculated water recycling effluent mouth.
The sample holder notch, which is located at fixture, to be fixed at the top of support arm and fixture adjustable support arm.During experiment,
Thermocouple can be set in notch, the back temperature of sample during experiment is measured.
The installation of the utility model fixture and use process are as follows：
Clamped using threaded connection, clamp or other mechanical systems fix fixture fixed supporting seat；Alignment jig is adjustable
Position of the support arm on regulation guide rail is saved, its sample holder notch fixed with fixture on support arm is clamped to be tested
Sample；Screw thread above fastening clips adjustable support arm, fixture adjustable support arm is fixed on regulation guide rail；ON cycle
Water, anti-yaw damper guaranteed performance test can be started after waterflow stabilization.After off-test, continue cooling 10 minutes, unclamp fixture
Screw thread above adjustable support arm, position of the regulation support arm on regulation guide rail, you can remove tested sample.
Claims (5)
1. a kind of specimen holder for ablation under ultra high temperature guaranteed performance test, it is characterised in that including fixture hold-down support
(1), fixture fixes support arm (2), fixture adjustable support arm (3), sample holder notch (4), fixture adjustable support arm tune
Save guide rail (5) and support arm circulating water cooling system (6)；
Fixture is fixed support arm (2) and is fixed on fixture hold-down support (1)；
Fixture adjustable support arm regulation guide rail (5) is two to be parallel to each other, is each attached on fixture hold-down support (1)；Institute
State fixture and fix support arm (2) axis and fixture adjustable support arm (3) diameter parallel, parallel to the axis and can adjust with two fixtures
The center line of support arm regulation guide rail (5) is at grade；
Fixture adjustable support arm (3) is vertically connected on two fixture adjustable support arm regulation guide rails (5), and can be in fixture
Is moved in adjustable support arm regulation guide rail (5), with alignment jig fix between support arm (2) and adjustable support arm (3) away from
From；
Sample holder notch (4) is fixed at the top of support arm (2) and fixture adjustable support arm (3) positioned at fixture respectively, in notch
Portion sets thermocouple measurement by the back temperature of examination sample；
Fixture fixes support arm (2) and fixture adjustable support arm (3) inner hollow, and inside sets support arm circulating water cooling system
(6)。
2. specimen holder as claimed in claim 1, it is characterised in that the support arm circulating water cooling system (6) is by position respectively
The cooling water inlet pipe (601,602) and difference on the outside of support arm (2) and on the outside of fixture adjustable support arm (3) are fixed in fixture
Positioned at fixture fix support arm (2) and the internal water stream channel of fixture adjustable support arm (3) and cooling water outlet pipe (603,
604) form；
The pipeline upper end of outlet pipe is recirculated water backflow water inlet, and maintains space length with sample holder notch (4)；Pipeline
Lower end is extended to below fixture hold-down support (1) horizontal plane, and lower end of duct is recirculated water recycling effluent mouth.
3. specimen holder as claimed in claim 1, it is characterised in that the fixture hold-down support (1) is using threaded connection, card
Pincers clamping mode is fixed in specimen is clamped.
4. specimen holder as claimed in claim 1, it is characterised in that the fixture fixes support arm (2) using welding or spiral shell
The mode of line connection is fixed on fixture hold-down support (1).
5. the specimen holder as described in claim 1-4 is any, it is characterised in that fixture adjustable support arm regulation guide rail (5)
There are parallel two, the two axis vertical range is 50-500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166284.0U CN206740684U (en) | 2017-02-23 | 2017-02-23 | A kind of specimen holder for ablation under ultra high temperature guaranteed performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166284.0U CN206740684U (en) | 2017-02-23 | 2017-02-23 | A kind of specimen holder for ablation under ultra high temperature guaranteed performance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206740684U true CN206740684U (en) | 2017-12-12 |
Family
ID=60556445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166284.0U Expired - Fee Related CN206740684U (en) | 2017-02-23 | 2017-02-23 | A kind of specimen holder for ablation under ultra high temperature guaranteed performance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206740684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632866A (en) * | 2018-12-20 | 2019-04-16 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water-cooled sample holder in high-enthalpy flow |
| CN110836906A (en) * | 2019-10-15 | 2020-02-25 | 徐州志欧机电设备有限公司 | Clamping device for transposed conductor self-adhesion test |
-
2017
- 2017-02-23 CN CN201720166284.0U patent/CN206740684U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632866A (en) * | 2018-12-20 | 2019-04-16 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water-cooled sample holder in high-enthalpy flow |
| CN110836906A (en) * | 2019-10-15 | 2020-02-25 | 徐州志欧机电设备有限公司 | Clamping device for transposed conductor self-adhesion test |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |