CN208999342U - High-temperature oxydation test device for material under ambient stress - Google Patents
High-temperature oxydation test device for material under ambient stress Download PDFInfo
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- CN208999342U CN208999342U CN201821846097.8U CN201821846097U CN208999342U CN 208999342 U CN208999342 U CN 208999342U CN 201821846097 U CN201821846097 U CN 201821846097U CN 208999342 U CN208999342 U CN 208999342U
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- sealing
- fixedly connected
- high temperature
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- aluminium oxide
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Abstract
The utility model discloses the high-temperature oxydation test devices for material under ambient stress, including high temperature furnace, sealing frame is provided on the high temperature furnace, sliding sleeve is connected to sealing cover on the inner wall of the sealing frame, the first sealing shroud and the second sealing shroud are respectively arranged on the sealing cover, it is provided with graphite electrode on the inner wall of first sealing shroud, electroheat pair is provided on the inner wall of second sealing shroud, aluminium oxide flow guiding casing tube is provided on the graphite electrode.This is used for the high-temperature oxydation test device of material under ambient stress, sealing cover is connected by the top of bayonet lock and high temperature furnace, while guaranteeing leakproofness and heat insulating ability, convenient for after each test, disassembly maintenance to test component, can be washed open by air pressure by seal disc, be detached from sealing ring, so that can have a pressure release effect when inert gas pressure is excessive.
Description
Technical field
The utility model relates to high-temperature oxydation the field of test technology, particularly for the high-temperature oxydation of material under ambient stress
Test device.
Background technique
With the development of science and technology and engineer application, the application environment of structural material is more and more harsher, this means that
Some common structural materials are inevitably related to a variety of ambient conditions in application process, are in the application of material
In the harsh environment of multifactor state.Composite material has good comprehensive mechanical property, and application is usually in ambient stress
In, composite material will greatly be related to oxidation behaviors in application process, and as structural material, in high temperature
It inevitably to be influenced by extraneous stress in oxidation process, this research for allowing for such material is related to ambient stress
And the comprehensive function of high-temperature oxydation.Therefore the test for needing to carry out the material high-temperature oxydation etc., has very in the prior art
Test device of the spininess to composite material.
For example, according to a kind of carbon/carbon compound material high-temperature resistivity test device of Authorization Notice No. CN108287265A, packet
Include graphite electrode, high temperature furnace, aluminium oxide limit gas container, thermocouple, inert gas inleting pipe；The aluminium oxide limit gas container is arranged
In in high temperature furnace, it is located at high temperature furnace bottom；Test supporting table is installed inside the aluminium oxide limit gas container；The inert gas
Air inlet pipe passes through high temperature furnace bottom and protrudes into aluminium oxide limit gas container；In the graphite electrode insertion aluminium oxide flow guiding casing tube, with
Aluminium oxide limits the sample contacts tested in supporting table in gas container.Measurement process is divided into calibration, pretreatment, shove charge, logical indifferent gas
Body, heating, measurement, can measure carbon/carbon compound material in the resistivity of room temperature~2000 DEG C.Beneficial effect of the invention
Fruit is protection sample at high temperature with air exclusion, guarantees that sample and electrode are not oxidized, realizes carbon carbon composite high-temperature electric
The test of the arbitrary temp point of resistance rate.
1, overall structure is when something goes wrong, it has not been convenient to maintenance disassembly, so that every time after a test, it can not be to each test
Component carries out mainteinance repair；
2, when being passed through inert gas, if internal inert gas pressure is excessive, it is easy to cause safety accident.
Utility model content
The purpose of this utility model is to provide the high-temperature oxydation test devices for material under ambient stress, with solution pair
The problem of test component overhauls and inert gas are passed through and the excessive problem of air pressure occur.
To achieve the above object, the utility model provides the following technical solutions: the high temperature oxygen for material under ambient stress
Change test device, including high temperature furnace, is provided with sealing frame on the high temperature furnace, sliding sleeve is connected to close on the inner wall of the sealing frame
It covers, is respectively arranged with the first sealing shroud and the second sealing shroud on the sealing cover, is arranged on the inner wall of first sealing shroud
There is graphite electrode, electroheat pair is provided on the inner wall of second sealing shroud, aluminium oxide water conservancy diversion is provided on the graphite electrode
Casing.
Preferably, the inner bottom of the high temperature furnace is fixedly connected with aluminium oxide limit gas container, and aluminium oxide limits gas container
Upper end is fixedly connected with container cover, is fixedly connected with sample stage on the inside of aluminium oxide limit gas container, is fixedly connected on sample stage
Material body, the electroheat pair, graphite electrode and electroheat pair run through container cover and material body is inserted on sample stage, described
The interior lower end of high temperature furnace is embedded with first interface and second interface respectively, and first interface and second interface are embedded in aluminium oxide
Limit the bottom end of gas container.
Preferably, the inside both ends of the sealing cover are provided with groove, and the first spring is fixedly connected on the inside of groove,
The other end of first spring is fixedly connected with bayonet lock, and the upper end two sides of the high temperature furnace are fixedly connected to lantern ring, the table of bayonet lock
Face is slidably socketed the inside of lantern ring.
Preferably, it is fixedly connected with sealing ring on the inside of the second interface, seal disc is close in the lower end of sealing ring, and second
The inside both ends of interface are fixedly connected to supporting block, and the upper end of supporting block is fixedly connected with second spring, second spring it is upper
Hold fixed connection and sealing disk.
Compared with prior art, the utility model has the beneficial effects that this is used for the high-temperature oxydation of material under ambient stress
Test device: 1, sealing cover is connected by the top of bayonet lock and high temperature furnace, while guaranteeing leakproofness and heat insulating ability, is convenient for
Every time after test, the disassembly of test component is overhauled；
2, it can be washed open by air pressure by seal disc, be detached from sealing ring, so that when inert gas pressure is excessive, it can
With a pressure release effect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is enlarged diagram at a of the utility model；
Fig. 3 is the second interface inside structure schematic diagram of the utility model.
In figure: 1 high temperature furnace, 11 sealing frames, 12 sealing covers, 13 first sealing shrouds, 14 second sealing shrouds, 15 graphite electrodes,
16 electroheat pairs, 17 aluminium oxide flow guiding casing tubes, 2 aluminium oxide limit gas container, 21 sample stages, 22 material bodies, 23 container covers, 24 first
Interface, 25 second interfaces, 3 grooves, 31 first springs, 32 bayonet locks, 33 lantern rings, 4 sealing rings, 41 supporting blocks, 42 second springs, 43
Seal disc.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: the high-temperature oxydation test for material under ambient stress
Device, including high temperature furnace 1 are provided with sealing frame 11 on high temperature furnace 1, and sealing frame 11 is embedded in the upper end of high temperature furnace 1 by bolt
Inside, sliding sleeve is connected to sealing cover 12 on the inner wall of sealing frame 11, and the first sealing shroud 13 and are respectively arranged on sealing cover 12
Two sealing shrouds 14, two sealing shrouds 13 are embedded in the inside of sealing cover 12, are provided with graphite on the inner wall of the first sealing shroud 13
Electrode 15, graphite electrode 15 are fixedly attached to the inside of the first sealing shroud 13, are provided with electric heating on the inner wall of the second sealing shroud 14
Even 16, electroheat pair 16 is fixedly attached to the inside of the second sealing shroud 14, and two sealing shrouds are made of high temperature ceramic material, stone
Aluminium oxide flow guiding casing tube 17 is provided on electrode ink 15.
Refering to fig. 1, the inner bottom of high temperature furnace 1 is fixedly connected with aluminium oxide limit gas container 2, and aluminium oxide limits gas container 2
Upper end is fixedly connected with container cover 23, and the inside of aluminium oxide limit gas container 2 is fixedly connected with sample stage 21, fixes on sample stage 21
It is connected with material body 22, electroheat pair 16, graphite electrode 15 and electroheat pair 16 are inserted into through container cover 23 and material body 22
Onto sample stage 21, the interior lower end of high temperature furnace 1 is embedded with first interface 24 and second interface 25, first interface 24 and respectively
Two interfaces 25 are embedded in the bottom end of aluminium oxide limit gas container 2, and first interface 24 is inert gas intake interface, second interface 25
The row pressure interface for being inert gas when pressure is excessive, i.e. return, two interfaces pass through hose respectively and inert gas supplies
To the interface flange connection of equipment.
Referring to Fig.2, the inside both ends of sealing cover 12 are provided with groove 3, the inside of groove 3 is fixedly connected with the first spring
31, the other end of the first spring 31 is fixedly connected with bayonet lock 32, and the upper end two sides of high temperature furnace 1 are fixedly connected to lantern ring 33, card
The surface of pin 32 is slidably socketed the inside of lantern ring 33, convenient after a test to experiment road convenient for the installation and removal of sealing cover 12
Tool carries out replacement maintenance.
Refering to Fig. 3, the inside of second interface 25 is fixedly connected with sealing ring 4, and seal disc 43 is close in the lower end of sealing ring 4,
The inside both ends of second interface 25 are fixedly connected to supporting block 41, and the upper end of supporting block 41 is fixedly connected with second spring 42,
Seal disc 43 is pushed up downwards and is separated with sealing ring 4 when pressure is excessive by the upper end fixed connection and sealing disk 43 of second spring 42,
Gas pressure is discharged.
When the utility model is specifically implemented: the fire door of high temperature furnace 1 is closed when needing to test, then pass through first
Interface 24 is gradually passed through inert gas into aluminium oxide limit gas container 2, is also turned on the power supply of electroheat pair 16, and start electric heating
Even 16, allow the temperature in furnace to increase, the ammeter and voltmeter connected by 15 upper end of graphite electrode is to energization situation
It is tested, then tests the energization situation of Current Temperatures, temperature is lowered to certain section, then carry out new energization again
Situation test presses bayonet lock 32, so that bayonet lock 32 squeezes when needing replacing test stage property or maintenance test stage property after the completion of test
The first spring 31 is pressed to enter the inside of groove 3, to disengage with lantern ring 33, the graphite electrode 15 for then connecting sealing cover 12
It is all taken out with electroheat pair 16, disassembly can be completed, simple and convenient, when the inert gas air pressure of inside is excessive, pressure can be
Inside aggregation, then pressure can be washed downwards seal disc 43 open by the hole of sealing ring 4, and second spring 42 is compressed,
It is flowed back into the equipment of inert gas by second interface 25, after the completion of pressure release, second spring 42 resets, so that seal disc 43
Again it is closed with sealing ring 4.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. for the high-temperature oxydation test device of material under ambient stress, including high temperature furnace (1), it is characterised in that: the high temperature
It is provided on furnace (1) sealing frame (11), sliding sleeve is connected to sealing cover (12), the sealing cover on the inner wall of the sealing frame (11)
(12) it is respectively arranged with the first sealing shroud (13) and the second sealing shroud (14) on, is arranged on the inner wall of first sealing shroud (13)
Have graphite electrode (15), be provided with electroheat pair (16) on the inner wall of second sealing shroud (14), on the graphite electrode (15)
It is provided with aluminium oxide flow guiding casing tube (17).
2. the high-temperature oxydation test device according to claim 1 for material under ambient stress, it is characterised in that: described
The inner bottom of high temperature furnace (1) is fixedly connected with aluminium oxide limit gas container (2), and aluminium oxide limits the fixed company in upper end of gas container (2)
It is connected to container cover (23), is fixedly connected with sample stage (21) on the inside of aluminium oxide limit gas container (2), it is fixed on sample stage (21) to connect
It is connected to material body (22), the electroheat pair (16), graphite electrode (15) and electroheat pair (16) run through container cover (23) and material
Material ontology (22) be inserted on sample stage (21), the interior lower end of the high temperature furnace (1) be embedded with respectively first interface (24) and
Second interface (25), first interface (24) and second interface (25) are embedded in the bottom end of aluminium oxide limit gas container (2).
3. the high-temperature oxydation test device according to claim 1 for material under ambient stress, it is characterised in that: described
The inside both ends of sealing cover (12) are provided with groove (3), are fixedly connected on the inside of groove (3) the first spring (31), first
The other end of spring (31) is fixedly connected with bayonet lock (32), and the upper end two sides of the high temperature furnace (1) are fixedly connected to lantern ring
(33), the surface of bayonet lock (32) is slidably socketed the inside of lantern ring (33).
4. the high-temperature oxydation test device according to claim 2 for material under ambient stress, it is characterised in that: described
It is fixedly connected on the inside of second interface (25) sealing ring (4), seal disc (43) are close in the lower end of sealing ring (4), second interface
(25) inside both ends are fixedly connected to supporting block (41), and the upper end of supporting block (41) is fixedly connected with second spring (42),
The upper end fixed connection and sealing disk (43) of second spring (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846097.8U CN208999342U (en) | 2018-11-09 | 2018-11-09 | High-temperature oxydation test device for material under ambient stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846097.8U CN208999342U (en) | 2018-11-09 | 2018-11-09 | High-temperature oxydation test device for material under ambient stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999342U true CN208999342U (en) | 2019-06-18 |
Family
ID=66806520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821846097.8U Expired - Fee Related CN208999342U (en) | 2018-11-09 | 2018-11-09 | High-temperature oxydation test device for material under ambient stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487456A (en) * | 2019-07-29 | 2019-11-22 | 湖北理工学院 | A kind of compressor test device based on MVR |
| CN114659820A (en) * | 2022-05-24 | 2022-06-24 | 中国飞机强度研究所 | High-temperature-resistant combined type electrode system of heating device in aerospace plane test |
-
2018
- 2018-11-09 CN CN201821846097.8U patent/CN208999342U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487456A (en) * | 2019-07-29 | 2019-11-22 | 湖北理工学院 | A kind of compressor test device based on MVR |
| CN114659820A (en) * | 2022-05-24 | 2022-06-24 | 中国飞机强度研究所 | High-temperature-resistant combined type electrode system of heating device in aerospace plane test |
| CN114659820B (en) * | 2022-05-24 | 2022-08-02 | 中国飞机强度研究所 | High-temperature-resistant combined type electrode system of heating device in aerospace plane test |
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| GR01 | Patent grant | ||
| 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: 20190618 Termination date: 20191109 |