CN110793840B - Quick heating device for inflammable gas sealing environment in mechanical test - Google Patents
Quick heating device for inflammable gas sealing environment in mechanical test Download PDFInfo
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- CN110793840B CN110793840B CN201911209233.1A CN201911209233A CN110793840B CN 110793840 B CN110793840 B CN 110793840B CN 201911209233 A CN201911209233 A CN 201911209233A CN 110793840 B CN110793840 B CN 110793840B
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- sealing
- cavity base
- base
- upper cover
- lamp
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- 238000007789 sealing Methods 0.000 title claims abstract description 89
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 150000002367 halogens Chemical class 0.000 claims abstract description 47
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000011247 coating layer Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 22
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A quick heating device for inflammable gas sealing environment in mechanical test has four flat clamps that are arranged in sealed cavity base and used for clamping tested sample, and four load applying shafts that pass through the side wall of main cavity and connect corresponding flat clamps and are used for applying load to tested sample are arranged on four side walls of sealed cavity base, and sealed upper cover is hemispherical structure, and sealed upper cover is provided with more than 1 upper halogen lamp that is used for heating tested sample in sealed cavity base, and the bottom of sealed cavity base is provided with 1 lower halogen lamp that is used for carrying out quick heating to tested sample in sealed cavity base, and upper halogen lamp is fixed in sealed upper cover through the upper fixed flange that is located sealed upper cover outside, and lower halogen lamp is fixed in the bottom of sealed cavity base through the lower fixed flange that is located sealed cavity base bottom outside. The invention can realize rapid temperature rise of flammable gas sealing environment.
Description
Technical Field
The invention relates to a rapid heating device for mechanical test. In particular to a rapid heating device for a flammable gas sealing environment in a mechanical test.
Background
With technological development and social progress, materials are increasingly exposed to coupling extreme environments, so that requirements on performance of the materials are higher and higher. Particularly in a high temperature environment, the metal material exhibits properties different from normal temperature, and is required to withstand not only load damage but also high temperature damage. In some special fields, such as exterior materials of aerospace vehicles, automobile engines and exhaust pipe parts are exposed to force-heat coupling environments for a long time, even some materials are exposed to high-temperature flammable gas atmospheres, and the safety performance evaluation and design of the materials are important, so that the realization of a high-temperature gas sealing environment in a mechanical testing environment becomes very important. At present, a heating device mounted on a mechanical experiment machine adopts a resistance wire heating mode, a current heating mode and the like. However, for high temperature flammable gases, these heating methods can easily lead to the risk of combustion, explosion, etc. In recent years, a plurality of devices use the focusing of a plurality of halogen lamps to realize the loading of a small range of high temperature, however, in actual use, the device is found to have no function of adjusting the focus after being processed, so that the heating position is fixed, the universality is poor, and the temperature control can only be realized by controlling the on-off of a power supply. In practical use, the high temperature in a small range leads to overlarge temperature difference between the inside and the outside of the halogen lamp body, which is extremely easy to cause the rupture of the halogen lamp wall and greatly affects the service life. Therefore, the design and the invention are very urgent to design and invent a heating device which can be used for realizing the adjustable focal length and quick inflammable gas sealing environment on a mechanical experiment machine.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rapid heating device for the inflammable gas sealing environment in the mechanical test, which can rapidly heat the inflammable gas sealing environment.
The technical scheme adopted by the invention is as follows: the utility model provides a quick heating device for inflammable gas sealing environment in mechanical test, is including the sealed cavity that constitutes by sealed cavity base and sealed upper cover, the symmetry sets up be used for pressing from both sides four dull and stereotyped anchor clamps of carrying the measured sample in the sealed cavity base, run through respectively the dull and stereotyped anchor clamps that the lateral wall connection of sealed cavity corresponds is used for applying four loads of load to the measured sample through dull and stereotyped anchor clamps and applys the axle, be provided with on four lateral walls of sealed cavity base respectively and be used for realizing gas import, export and fire-retardant flame arrester, sealed upper cover be the sealed upper cover of hemisphere structure, be provided with more than 1 and be used for carrying out the last halogen lamp of quick heating to the measured sample in the sealed cavity base, the bottom of sealed cavity base is provided with 1 and is used for carrying out the lower halogen lamp of quick heating to the measured sample in the sealed cavity base, last halogen lamp be through being located the upper fixed flange outside the sealed upper cover in the sealed upper cover, lower halogen lamp be through being located the sealed lower halogen lamp of the sealed cavity base and the sealed lower lamp of being located the sealed cavity base and being located the sealed lower lamp base is located the bottom of the sealed lower lamp base respectively.
The rapid heating device for the inflammable gas sealing environment in the mechanical test can realize rapid heating of the inflammable gas sealing environment, is particularly suitable for carrying the high-temperature sealing environment on a mechanical test machine, and realizes the performance test of a force-heat coupling material under various gas atmospheres. The gas conveying and concentration detection can be carried out in and out of various gas atmospheres, the concentration detection function is realized, and the explosion hazard caused by gas leakage is prevented.
Drawings
FIG. 1 is a schematic view of the external structure of a rapid heating device for a flammable gas sealed environment in a mechanical test according to the present invention;
FIG. 2 is a schematic diagram showing the exploded structure of a rapid heating device for a flammable gas sealed environment in a mechanical test according to the present invention;
FIG. 3 is a schematic view of the structure of the upper halogen lamp and the lower halogen lamp of the present invention;
fig. 4 is a schematic view showing an exploded structure of the upper halogen lamp and the lower halogen lamp in the present invention.
In the figure
1: Sealing cavity base 2: sealing upper cover
3: Plate clamp 4: load applying shaft
5: Connecting edge 6: sealing gasket
7: Quartz observation window 8: upper halogen lamp
9: The following halogen lamp 10: upper fixing flange
11: Connection flange 12: connecting seat
13: Rotor nut 14: spherical support
15: Swivel base 16: high temperature resistant coating layer
17: The lamp shade 18: concentrating reflective layer
19: Halogen bulb 20: glass lamp cover
21: Wire 22: thermocouple
23: Flame arrester
Detailed Description
The following describes in detail a rapid heating apparatus for a flammable gas sealed environment in mechanical test according to the present invention with reference to examples and drawings.
As shown in fig. 1 and fig. 2, the rapid heating device for a flammable gas sealing environment in a mechanical test of the invention comprises a sealing cavity formed by a sealing cavity base 1 and a sealing upper cover 2, four flat plate clamps 3 symmetrically arranged in the sealing cavity base 1 and used for clamping a tested sample, four load applying shafts 4 respectively penetrating through the side wall of the main cavity 1 and connected with the corresponding flat plate clamps 3 and used for applying loads to the tested sample through the flat plate clamps 3 and used for realizing mechanical loading in different forms, and the four load applying shafts 4 and the sealing cavity base 1 are in dynamic sealing. The sealing device is characterized in that flame arresters 23 for realizing gas inlet, gas outlet and flame retardation are respectively arranged on four side walls of the sealing cavity base 1, the sealing upper cover 2 is a hemispherical sealing upper cover 2, more than 1 upper halogen lamps 8 for rapidly heating a tested sample in the sealing cavity base 1 are arranged on the sealing upper cover 2, 1 lower halogen lamps 9 for rapidly heating the tested sample in the sealing cavity base 1 are arranged at the bottom of the sealing cavity base 1, the upper halogen lamps 8 are fixed on the sealing upper cover 2 through upper fixing flanges 10 positioned at the outer sides of the sealing upper cover 2, the lower halogen lamps 9 are fixed at the bottom of the sealing cavity base 1 in a lower fixing flange chart which is positioned at the outer sides of the bottom of the sealing cavity base 1, and the lamp bodies of the upper halogen lamps 8 and the lower halogen lamps 9 are respectively positioned in the corresponding sealing upper cover 2 and the sealing cavity base 1.
The four load applying shafts 4 and the four flame arresters 23 are static seals with the sealing upper cover 2 and the sealing cavity base 1.
The periphery of the sealing upper cover 2 with the hemispherical structure is integrally provided with a circle of connecting edges 5 corresponding to the upper port of the sealing cavity base 1, the connecting edges 5 are fixedly connected with the upper port of the sealing cavity base 1 through bolts, and a sealing gasket 6 is arranged between the connecting edges 5 and the upper port of the sealing cavity base 1 to realize static sealing. The top of the sealing upper cover 2 with the hemispherical structure is provided with a quartz observation window 7 for observing the surface morphology of the measured sample in the sealing cavity base 1, and the strain of the measured sample can be measured through the quartz observation window 7 by a non-contact video extensometer. The upper halogen lamps 8 are symmetrically arranged on the sealing upper cover 2 in number of 4.
As shown in fig. 3 and fig. 4, the upper halogen lamp 8 and the lower halogen lamp 9 have the same structure, and each comprise a connecting seat 12, the lower part of which is fixedly connected with the upper fixing flange 10 or the lower fixing flange, a rotor nut 13 which is in threaded connection with the upper part of the connecting seat 12, a rotating base 15, the lower part of which is rotatably embedded in the rotor nut 13, is arranged at the upper end of the rotating base 15, a lamp cover 17 is arranged in the lamp cover 17, a halogen bulb 19 is arranged in the lamp cover 17, the lower end of the halogen bulb 19 penetrates through the bottom of the lamp cover 17 and is in threaded connection with the rotating base 15, the lamp cover 17 is fixed on the rotating base 15 through the halogen bulb 19, a glass lamp cover 20 is arranged at the upper port of the lamp cover 17, and the halogen bulb 19 is connected with an external power supply through a wire 21 which sequentially penetrates through the sealing upper cover 2, the connecting seat 12, the rotor nut 13 and the rotating base 15.
As shown in fig. 4, the top of the rotor nut 13 is formed with an arc groove recessed inwards, the lower part of the rotating base 15 is integrally formed with a spherical bracket 14, and the spherical bracket 14 is embedded in the arc groove at the upper part of the rotor nut 13 and can rotate in the arc groove, so that the halogen bulb 19 and the lampshade 17 connected to the top of the rotating base 15 are driven to rotate, multi-directional adjustment of the focus can be realized, and the rotary focus type rotary sample collector is suitable for samples with various sizes.
The middle part of connecting seat 12 integrally formed have outwards convex flange 11, flange 11 and be located sealing upper cover 2 outside or sealing cavity base 1 outside go up flange 10 or lower flange fixed connection, flange 11, go up flange 10 and lower flange and place sealing upper cover 2 or sealing cavity base 1 between be static seal.
The inner side surface of the lampshade 17 is coated with a light condensation reflecting layer 18, and the outer side surface of the lampshade 17 is coated with a high-temperature resistant coating layer 16. Wherein, the high temperature resistant coating layer 16 is prepared from an organic silicon resin adhesive, porous powder quartz heat insulation filler, a composite flame retardant and a dispersing agent according to the following weight ratio of 13:3:3:1, wherein the granularity of the porous powder quartz heat insulation filler is 5-7 mu m, and the composite flame retardant material is prepared from magnesium hydroxide and aluminum hydroxide according to the proportion of 1:1, wherein the dispersing agent is polyacrylic acid. The bottom of the sealed cavity base 1 is provided with a thermocouple 22 for detecting the temperature in the sealed cavity base 1.
Claims (5)
1. The rapid heating device for the inflammable gas sealing environment in the mechanical test comprises a sealing cavity formed by a sealing cavity base (1) and a sealing upper cover (2), four flat plate clamps (3) which are symmetrically arranged in the sealing cavity base (1) and used for clamping a tested sample, four load applying shafts (4) which respectively penetrate through the flat plate clamps (3) and are connected with the corresponding side walls of the sealing cavity base (1) are used for applying load to the tested sample, the rapid heating device is characterized in that the sealing cavity base (1) is a square base, flame retardants (23) used for realizing gas inlet, gas outlet and flame retardance are respectively arranged on the four side walls of the square base, thermocouples (22) used for detecting the temperature in the sealing cavity base (1) are arranged at the bottom of the sealing cavity base (1), the sealing upper cover (2) is a sealing upper cover (2) with a hemispherical structure, more than 1 is arranged on the sealing upper cover (2) and used for rapidly heating the tested sample in the sealing cavity base (1), halogen (8) is arranged at the bottom of the sealing cavity base (1) and used for rapidly heating the tested sample, the lamp base (1) is used for rapidly heating the lamp base (1), the upper halogen lamp (8) is fixed on the sealing upper cover (2) through an upper fixing flange (10) positioned at the outer side of the sealing upper cover (2), the lower halogen lamp (9) is fixed at the bottom of the sealing cavity base (1) through a lower fixing flange positioned at the outer side of the bottom of the sealing cavity base (1), and lamp bodies of the upper halogen lamp (8) and the lower halogen lamp (9) are respectively positioned in the corresponding sealing upper cover (2) and the sealing cavity base (1);
The upper halogen lamp (8) and the lower halogen lamp (9) are identical in structure and comprise a connecting seat (12) with the lower part fixedly connected with the upper fixing flange (10) or the lower fixing flange, a rotor nut (13) which is in threaded connection with the upper part of the connecting seat (12), a rotating base (15) which is embedded in the rotor nut (13) in a rotatable manner is arranged at the lower part, a lamp cover (17) is arranged at the upper end of the rotating base (15), a halogen bulb (19) is arranged in the lamp cover (17), the lower end of the halogen bulb (19) penetrates through the bottom of the lamp cover (17) and is in threaded connection with the rotating base (15), the lamp cover (17) is fixed on the rotating base (15) through the halogen bulb (19), a glass lamp cover (20) is arranged at the upper port of the lamp cover (17), and the halogen bulb (19) is connected with an external power supply through a wire (21) which penetrates through the sealing upper cover (2), the connecting seat (12), the rotor nut (13) and the rotating base (15) in turn;
the top of the rotor nut (13) is provided with an inward concave arc groove, the lower part of the rotating base (15) is integrally provided with a spherical bracket (14), the spherical bracket (14) is embedded in the arc groove at the upper part of the rotor nut (13) and can rotate in the arc groove, so that a halogen bulb (19) and a lampshade (17) connected to the top of the rotating base (15) are driven to rotate;
The inner side surface of the lampshade (17) is coated with a light condensation reflecting layer (18), and the outer side surface of the lampshade (17) is coated with a high-temperature resistant coating layer (16); the high-temperature resistant coating layer (16) is prepared from an organic silicon resin adhesive, porous powder quartz heat insulation filler, a composite flame retardant and a dispersing agent according to the following weight ratio of 13:3:3:1, wherein the granularity of the porous powder quartz heat insulation filler is 5-7 mu m, and the composite flame retardant material is prepared from magnesium hydroxide and aluminum hydroxide according to the proportion of 1:1, wherein the dispersing agent is polyacrylic acid.
2. The rapid heating device for a flammable gas sealing environment in a mechanical test according to claim 1, wherein a circle of connecting edges (5) corresponding to the upper ports of the sealing cavity base (1) are integrally formed on the periphery of the sealing upper cover (2) of the hemispherical structure, the connecting edges (5) are fixedly connected with the upper ports of the sealing cavity base (1) through bolts, and sealing gaskets (6) are arranged between the connecting edges (5) and the upper ports of the sealing cavity base (1).
3. The rapid heating device for the flammable gas sealing environment in the mechanical test according to claim 1, wherein a quartz observation window (7) for observing the inside of the sealing cavity base (1) is arranged at the top of the sealing upper cover (2) with the hemispherical structure.
4. The rapid heating device for a flammable gas sealed environment in a mechanical test according to claim 1, wherein the upper halogen lamps (8) are symmetrically arranged in the sealed upper cover (2) by 4.
5. The rapid heating device for a flammable gas sealing environment in a mechanical test according to claim 1, wherein the middle part of the connecting seat (12) is integrally provided with an outwardly protruding connecting flange (11), the connecting flange (11) is fixedly connected with an upper fixing flange (10) or a lower fixing flange which are positioned on the outer side of the sealing upper cover (2) or the outer side of the sealing cavity base (1), and the connecting flange (11), the upper fixing flange (10) and the lower fixing flange are in static sealing with the sealing upper cover (2) or the sealing cavity base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209233.1A CN110793840B (en) | 2019-11-30 | 2019-11-30 | Quick heating device for inflammable gas sealing environment in mechanical test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209233.1A CN110793840B (en) | 2019-11-30 | 2019-11-30 | Quick heating device for inflammable gas sealing environment in mechanical test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110793840A CN110793840A (en) | 2020-02-14 |
| CN110793840B true CN110793840B (en) | 2024-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911209233.1A Active CN110793840B (en) | 2019-11-30 | 2019-11-30 | Quick heating device for inflammable gas sealing environment in mechanical test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793840B (en) |
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| CN2392076Y (en) * | 1999-05-25 | 2000-08-16 | 朱生荣 | Lamp for reparing automobiles when hitch occurring |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110793840A (en) | 2020-02-14 |
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