CN102042902A - Test piece fixing device of thermal state wind tunnel erosion test - Google Patents
Test piece fixing device of thermal state wind tunnel erosion test Download PDFInfo
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- CN102042902A CN102042902A CN2010105488329A CN201010548832A CN102042902A CN 102042902 A CN102042902 A CN 102042902A CN 2010105488329 A CN2010105488329 A CN 2010105488329A CN 201010548832 A CN201010548832 A CN 201010548832A CN 102042902 A CN102042902 A CN 102042902A
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Abstract
The invention relates to a test piece fixing device of a thermal state wind tunnel erosion test, belonging to the technical field of thermal state wind tunnel tests and used for increasing operation convenience. The device comprises a base, a test support, a first cylinder body, a second cylinder body, a first adjusting plate, a second adjusting plate and a linear type air injection pipe, wherein the first adjusting plate is rotatably installed on the base, the second adjusting plate is slidably installed on the base, and the sliding axis of the second adjusting plate is perpendicular to the rotating axis of the first adjusting plate; the test support is fixed on the first adjusting plate, and the air injection pipe is fixed on the second adjusting plate; the installation end of the first cylinder body is fixedly connected with the test support, the incident flow end of the first cylinder body is over against the air injection pipe, and the end face of the incident flow end is provided with an axially sunken test piece accommodating groove, and the cylindrical surface of the cylinder is provided with an external thread; and an axial through hole is arranged at the axis of the second cylinder body. The device provided by the invention can increase the operation convenience of the thermal state wind tunnel erosion test.
Description
Technical field
The present invention relates to hot wind-tunnel technique, particularly relate to a kind of technology of test specimen stationary installation of hot wind-tunnel erosion test.
Background technology
In hot, the cold conditions wind tunnel test in fields such as machinery, chemical industry, environmental protection, FLUID TRANSPORTATION, aviation, the test specimen stationary installation is the key condition of experimental enviroment near engineering-environment.
Existing test stand hot, the cold conditions wind tunnel test is all fixed.In the cold conditions wind tunnel test, test specimen can utilize cementing agent to be fixed on the test stand, needs to change the test specimen fluoran stream surface, when maybe needing to change the angle of test specimen fluoran stream surface and air-flow, need after the abort test specimen to be taken off and cleans up, cement in once again then on the test stand, test operation is very inconvenient.In hot wind tunnel test, because the fusing point of cementing agent is all lower, therefore be difficult to find the cementing agent that is fit to hot operating mode to fix test specimen, therefore all directly be fixed on test specimen on the test stand usually, need to change the test specimen fluoran stream surface, when maybe needing to change the angle of test specimen fluoran stream surface and air-flow, be fixed on once again on the test stand after needing after the abort test specimen taken off, test operation is also very inconvenient.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical matters to be solved by this invention provides a kind of test specimen stationary installation of hot wind-tunnel erosion test of the simple operation that can improve hot wind-tunnel erosion test.
In order to solve the problems of the technologies described above, the test specimen stationary installation of a kind of hot wind-tunnel erosion test provided by the present invention is characterized in that: comprise base, test support, first right cylinder, second right cylinder, first adjustable plate, second adjustable plate and linear air jet pipe;
Described first adjustable plate is rotatably installed on the base, and described second adjustable plate is slidingly mounted on the base, and its slip axis is perpendicular to the pivot center of first adjustable plate;
Described test support is fixed on first adjustable plate, and described air jet pipe is fixed on second adjustable plate, and its air intake opening is communicated with external air source, and its gas outlet is towards the test support;
The described first cylindrical two ends are respectively installation end and meet the stream end, its installation end is affixed with the test support, it meets the stream end towards air jet pipe, and its end face of meeting the stream end is provided with the test specimen holding tank of an axial depression, the radial section of described test specimen holding tank and the axes intersect of air jet pipe, the described first cylindrical axis normal is in the pivot center of first adjustable plate, and the first cylindrical cylinder is provided with external thread;
The described second cylindrical axle center is provided with an axial through hole, and the hole wall of this through hole is provided with the internal thread that the external thread with the first right cylinder cylinder is complementary.
Further, described first adjustable plate is provided with the corner scale that is used to indicate its rotational angle, and described second adjustable plate is provided with the displacement scale that is used to indicate its sliding distance.
The test specimen stationary installation of hot wind-tunnel erosion test provided by the invention, utilize two right cylinders to fix test specimen, in hot wind-tunnel erosion test process, need not abort can utilize first adjustable plate to regulate the test face of test specimen and the angle between the air-flow, utilize second adjustable plate to regulate spacing between the test face of air jet pipe and test specimen, it is very convenient to operate.
Description of drawings
Fig. 1 is the structural representation after the test specimen stationary installation of the hot wind-tunnel erosion test of the embodiment of the invention is partly cut open.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As shown in Figure 1, the test specimen stationary installation of a kind of hot wind-tunnel erosion test that the embodiment of the invention provided is characterized in that: comprise base 7, test support 1, first right cylinder 2, second right cylinder 3, first adjustable plate 4, second adjustable plate 5 and linear air jet pipe 6;
Described first adjustable plate 4 is rotatably installed on the base 7, and described second adjustable plate 5 is slidingly mounted on (not shown its connected mode) on the base 7, and its slip axis is perpendicular to the pivot center of first adjustable plate 4;
Described test support 1 is fixed on first adjustable plate 4, and described air jet pipe 6 is fixed on second adjustable plate, and its air intake opening is communicated with external air source, and its gas outlet is towards test support 1;
The two ends of described first right cylinder 2 are respectively installation end and meet the stream end, its installation end is affixed with test support 1, it meets the stream end towards air jet pipe 6, and its end face of meeting the stream end is provided with the test specimen holding tank of an axial depression, the axes intersect of the radial section of described test specimen holding tank and air jet pipe 6, the axis normal of described first right cylinder 2 is in the pivot center of first adjustable plate 4, and the cylinder of first right cylinder 2 is provided with external thread;
The axle center of described second right cylinder 3 is provided with an axial through hole, and the hole wall of this through hole is provided with the internal thread that the external thread with first right cylinder, 2 cylinders is complementary.
In the embodiment of the invention, described first adjustable plate 4 is provided with the corner scale that is used to indicate its rotational angle, and described second adjustable plate 5 is provided with the displacement scale that is used to indicate its sliding distance.
It is as follows to utilize the embodiment of the invention to carry out the step of hot wind-tunnel erosion test:
1) test specimen is placed on first right cylinder 2 and meets in the test specimen holding tank of stream end, and make its test face towards air jet pipe 6;
2) by the through hole in second right cylinder, 3 axle center the stream end of meeting that second right cylinder 3 is socketed in first right cylinder 2 is gone up and screwed, meet in the test specimen holding tank of stream end thereby test specimen is fixed on first right cylinder 2;
3) rotate first adjustable plate 4, test support 1 is also thereupon around the pivot axis of first adjustable plate 4, thereby the angle between the axis of the test face of test specimen and air jet pipe 6 is also changed thereupon, and the angle between the axis of the test face of test specimen and air jet pipe 6 reaches default test angle;
4) application of force is slided second adjustable plate 5, and air jet pipe 6 also moves thereupon, and the spacing between the test face of the gas outlet of air jet pipe 6 and test specimen reaches default test distance;
5) supply high pressure hot gas by external air source to air jet pipe 6, the hot gas of high pressure sprays to test specimen through the gas outlet of air jet pipe 6 test face carries out hot wind-tunnel erosion test;
When in process of the test, needing to adjust the angle between the axis of the test face of test specimen and air jet pipe 6, carry out above-mentioned steps 3;
When in process of the test, needing to adjust the spacing between the gas outlet of the test face of test specimen and air jet pipe 6, carry out above-mentioned steps 4.
Claims (2)
1. the test specimen stationary installation of a hot wind-tunnel erosion test is characterized in that: comprise base, test support, first right cylinder, second right cylinder, first adjustable plate, second adjustable plate and linear air jet pipe;
Described first adjustable plate is rotatably installed on the base, and described second adjustable plate is slidingly mounted on the base, and its slip axis is perpendicular to the pivot center of first adjustable plate;
Described test support is fixed on first adjustable plate, and described air jet pipe is fixed on second adjustable plate, and its air intake opening is communicated with external air source, and its gas outlet is towards the test support;
The described first cylindrical two ends are respectively installation end and meet the stream end, its installation end is affixed with the test support, it meets the stream end towards air jet pipe, and its end face of meeting the stream end is provided with the test specimen holding tank of an axial depression, the radial section of described test specimen holding tank and the axes intersect of air jet pipe, the described first cylindrical axis normal is in the pivot center of first adjustable plate, and the first cylindrical cylinder is provided with external thread;
The described second cylindrical axle center is provided with an axial through hole, and the hole wall of this through hole is provided with the internal thread that the external thread with the first right cylinder cylinder is complementary.
2. device according to claim 1 is characterized in that: described first adjustable plate is provided with the corner scale that is used to indicate its rotational angle, and described second adjustable plate is provided with the displacement scale that is used to indicate its sliding distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010548832 CN102042902B (en) | 2010-11-18 | 2010-11-18 | Test piece fixing device of thermal state wind tunnel erosion test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010548832 CN102042902B (en) | 2010-11-18 | 2010-11-18 | Test piece fixing device of thermal state wind tunnel erosion test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042902A true CN102042902A (en) | 2011-05-04 |
| CN102042902B CN102042902B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010548832 Expired - Fee Related CN102042902B (en) | 2010-11-18 | 2010-11-18 | Test piece fixing device of thermal state wind tunnel erosion test |
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| CN (1) | CN102042902B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539109A (en) * | 2012-01-19 | 2012-07-04 | 东南大学 | Rotating bracket for wind-tunnel flow-field display test models |
| CN103076150A (en) * | 2012-11-28 | 2013-05-01 | 中国商用飞机有限责任公司 | Wing type test piece |
| WO2013138817A3 (en) * | 2012-03-15 | 2013-11-07 | Western Michigan University Research Foundation | Thermal erosion tester |
| CN106644360A (en) * | 2016-12-08 | 2017-05-10 | 西北工业大学 | Test piece clamping device for ice wind tunnel environmental test chamber |
| CN108253219A (en) * | 2017-12-15 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of adjustable hatchcover testing stand air inlet section of airflow direction |
| WO2023011565A1 (en) * | 2021-08-05 | 2023-02-09 | 华东理工大学 | Ultra-high temperature wind tunnel erosion testing system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1797004C (en) * | 1991-01-03 | 1993-02-23 | Таллиннский технический университет | Specimen holder for wear testing under medium flow action |
| CN1664534A (en) * | 2005-03-25 | 2005-09-07 | 武汉科技大学 | Small low-speed wind tunnel experiment model stand |
-
2010
- 2010-11-18 CN CN 201010548832 patent/CN102042902B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1797004C (en) * | 1991-01-03 | 1993-02-23 | Таллиннский технический университет | Specimen holder for wear testing under medium flow action |
| CN1664534A (en) * | 2005-03-25 | 2005-09-07 | 武汉科技大学 | Small low-speed wind tunnel experiment model stand |
Non-Patent Citations (1)
| Title |
|---|
| 鲁嘉华等: "气固两相透平叶片冲蚀特性的气动试验研究", 《流体力学实验与测量》, vol. 17, no. 2, 30 June 2003 (2003-06-30), pages 63 - 69 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539109A (en) * | 2012-01-19 | 2012-07-04 | 东南大学 | Rotating bracket for wind-tunnel flow-field display test models |
| WO2013138817A3 (en) * | 2012-03-15 | 2013-11-07 | Western Michigan University Research Foundation | Thermal erosion tester |
| US9121804B2 (en) | 2012-03-15 | 2015-09-01 | Western Michigan University Research Foundation | Thermal erosion tester |
| EA026982B1 (en) * | 2012-03-15 | 2017-06-30 | Вестерн Мичиган Юниверсити Рисерч Фаундейшн | Thermal erosion tester |
| CN103076150A (en) * | 2012-11-28 | 2013-05-01 | 中国商用飞机有限责任公司 | Wing type test piece |
| CN103076150B (en) * | 2012-11-28 | 2015-08-05 | 中国商用飞机有限责任公司 | A kind of Wing-type test piece |
| CN106644360A (en) * | 2016-12-08 | 2017-05-10 | 西北工业大学 | Test piece clamping device for ice wind tunnel environmental test chamber |
| CN108253219A (en) * | 2017-12-15 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of adjustable hatchcover testing stand air inlet section of airflow direction |
| WO2023011565A1 (en) * | 2021-08-05 | 2023-02-09 | 华东理工大学 | Ultra-high temperature wind tunnel erosion testing system |
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| Publication number | Publication date |
|---|---|
| CN102042902B (en) | 2013-06-05 |
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