CN105509982A - High-temperature high-cycle fatigue test thermal isolation device - Google Patents
High-temperature high-cycle fatigue test thermal isolation device Download PDFInfo
- Publication number
- CN105509982A CN105509982A CN201510964612.7A CN201510964612A CN105509982A CN 105509982 A CN105509982 A CN 105509982A CN 201510964612 A CN201510964612 A CN 201510964612A CN 105509982 A CN105509982 A CN 105509982A
- Authority
- CN
- China
- Prior art keywords
- flow passage
- middle runner
- housing
- water inlet
- water
- 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.)
- Granted
Links
- 238000009661 fatigue test Methods 0.000 title claims abstract description 14
- 238000002955 isolation Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000005192 partition Methods 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the field of high-cycle fatigue test technologies, and relates to a high-temperature high-cycle fatigue test thermal isolation device. The device is characterized by comprising a shell 9 and a cover plate 8 which are welded together. The invention provides a high-temperature high-cycle fatigue test thermal isolation device, which avoids reduction of the system rigidity and the test piece excitation efficiency, improves the long-term effect of thermal barrier, meets the requirement of a vibration table for temperature isolation, and prevents damage to the vibration table.
Description
Technical field
The invention belongs to high-cycle fatigue test technology, relate to the test of a kind of Temperature High Cycle Fatigue and use hot spacer assembly.
Background technology
Because the impact of temperature on blade high cycle fatigue characteristic is increasing, the gap of the fatigue limit under the blade fatigue limit drawn by normal temperature vibration fatigue test and actual work temperature is very large.Carry out the high-cycle fatigue test of turbo blade under the condition of high temperature and seem particularly important; high-cycle fatigue test belongs to test of long duration; long-term work more than 1000 DEG C; just must solve that blade clamping tooling is overheated, high-cycle fatigue test vibration table surface Thermal protection problem, avoid due to the heat isolation damage causing shaking table not in place.Domesticly at present usually between vibration table and testpieces clamping tooling, adopt asbestos pad as thermofin when carrying out Temperature High Cycle Fatigue, although also can the carrying out of warranty test, but there is following defect: the first, can system rigidity be reduced, cause the exciting efficiency of shaking table to testpieces greatly to decline, required vibration stress can not be reached.The second, poor to the long-term effect of heat deadening, and isolated temperature cannot reach the request for utilization of shaking table, easily causes the damage of shaking table.
Summary of the invention
The object of the invention is: propose the test of a kind of Temperature High Cycle Fatigue and use hot spacer assembly, to avoid reducing system rigidity and the exciting efficiency to testpieces, improve the long-term effect that heat deadens, meet the requirement of shaking table to temperature isolation, prevent the damage causing shaking table.
Technical scheme of the present invention is: hot spacer assembly is used in a kind of Temperature High Cycle Fatigue test, it is characterized in that: it is welded to form by housing 9 and cover plate 8, housing 9 is circular slabs, there is the bolt through-hole 10 be uniformly distributed along the circumference near the position of circumference at housing 9, the upper surface of housing 9 has the cooling water flow conduits of 3 circular arcs, from outside to inside respectively: outer flow passage 3, middle runner 4 and inner flow passage 2, the central boss 1 that one circular is had at the center of inner flow passage 2, the external cylindrical surface of housing 9 has a water inlet 5 and a water delivering orifice 6, water inlet 5 is communicated with the water inlet end of outer flow passage 3, the water side of outer flow passage 3 is communicated with the water inlet end of middle runner 4, the water side of middle runner 4 is communicated with the water inlet end of inner flow passage 2, the water side of inner flow passage 2 is communicated with water delivering orifice 6, dividing plate 11 is had between the water inlet end and water side of inner flow passage 2, the inner of dividing plate 11 is connected with central boss 1, the outer end of dividing plate 11 is connected with the sidewall of the housing between water inlet 5 and water delivering orifice 6, the upper surface of housing 9 has an inner stopper, the internal diameter of inner stopper is greater than the maximum inner diameter of outer flow passage 3, partition wall height between outer flow passage 3 with middle runner 4 and the partition wall height between middle runner 4 and inner flow passage 2 identical, the partition wall upper surface between outer flow passage 3 and middle runner 4, the partition wall upper surface between middle runner 4 and inner flow passage 2 and the upper surface of central boss 1 and the annular end face of inner stopper coplanar, cover plate 8 is plectanes, and it to be sealed on inner stopper and to be connected with the annular end face of inner stopper by welding and the partition wall upper surface between outer flow passage 3 with middle runner 4, partition wall upper surface between middle runner 4 with inner flow passage 2 and the upper surface of central boss 1 is entirety.
Advantage of the present invention is: propose the test of a kind of Temperature High Cycle Fatigue and use hot spacer assembly, avoid and reduce system rigidity and the exciting efficiency to testpieces, improve the long-term effect that heat deadens, meet the requirement of shaking table to temperature isolation, prevent the damage causing shaking table.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, and Fig. 1 is the A-A cut-open view of Fig. 2.
Fig. 2 is the C-C cut-open view of Fig. 1.
Embodiment
Below the present invention is elaborated.Hot spacer assembly is used in a kind of Temperature High Cycle Fatigue test, it is characterized in that: it is welded to form by housing 9 and cover plate 8, housing 9 is circular slabs, there is the bolt through-hole 10 be uniformly distributed along the circumference near the position of circumference at housing 9, the upper surface of housing 9 has the cooling water flow conduits of 3 circular arcs, from outside to inside respectively: outer flow passage 3, middle runner 4 and inner flow passage 2, the central boss 1 that one circular is had at the center of inner flow passage 2, the external cylindrical surface of housing 9 has a water inlet 5 and a water delivering orifice 6, water inlet 5 is communicated with the water inlet end of outer flow passage 3, the water side of outer flow passage 3 is communicated with the water inlet end of middle runner 4, the water side of middle runner 4 is communicated with the water inlet end of inner flow passage 2, the water side of inner flow passage 2 is communicated with water delivering orifice 6, dividing plate 11 is had between the water inlet end and water side of inner flow passage 2, the inner of dividing plate 11 is connected with central boss 1, the outer end of dividing plate 11 is connected with the sidewall of the housing between water inlet 5 and water delivering orifice 6, the upper surface of housing 9 has an inner stopper, the internal diameter of inner stopper is greater than the maximum inner diameter of outer flow passage 3, partition wall height between outer flow passage 3 with middle runner 4 and the partition wall height between middle runner 4 and inner flow passage 2 identical, the partition wall upper surface between outer flow passage 3 and middle runner 4, the partition wall upper surface between middle runner 4 and inner flow passage 2 and the upper surface of central boss 1 and the annular end face of inner stopper coplanar, cover plate 8 is plectanes, and it to be sealed on inner stopper and to be connected with the annular end face of inner stopper by welding and the partition wall upper surface between outer flow passage 3 with middle runner 4, partition wall upper surface between middle runner 4 with inner flow passage 2 and the upper surface of central boss 1 is entirety.
Principle of work of the present invention is: be fixed on shaking table by Temperature High Cycle Fatigue test with hot spacer assembly, connect hot spacer assembly, namely chilled water enters middle runner from water inlet along the outer flow passage of hot spacer assembly and then enters inner flow passage, finally flow out from water delivering orifice, realize the cooling effect to shaking table.
One embodiment of the present of invention, shaking table can continuous working 50 hours, and surface temperature maintains less than 50 DEG C, and what the Temperature High Cycle Fatigue for testpieces was tested carries out providing essential condition smoothly.
Claims (1)
1. a hot spacer assembly is used in Temperature High Cycle Fatigue test, it is characterized in that: it is welded to form by housing (9) and cover plate (8), housing (9) is a circular slab, have near the position of circumference the bolt hole (10) be uniformly distributed along the circumference at housing (9), the upper surface of housing (9) has the cooling water flow conduits of 3 circular arcs, from outside to inside respectively: outer flow passage (3), middle runner (4) and inner flow passage (2), the central boss (1) that one circular is had at the center of inner flow passage (2), the external cylindrical surface of housing (9) has a water inlet (5) and a water delivering orifice (6), water inlet (5) is communicated with the water inlet end of outer flow passage (3), the water side of outer flow passage (3) is communicated with the water inlet end of middle runner (4), the water side of middle runner (4) is communicated with the water inlet end of inner flow passage (2), the water side of inner flow passage (2) is communicated with water delivering orifice (6), dividing plate (11) is had between the water inlet end and water side of inner flow passage (2), the inner of dividing plate (11) is connected with central boss (1), the outer end of dividing plate (11) is connected with the sidewall of the housing between water inlet (5) and water delivering orifice (6), the upper surface of housing (9) has an inner stopper, the internal diameter of inner stopper is greater than the maximum inner diameter of outer flow passage (3), partition wall height between outer flow passage (3) with middle runner (4) and the partition wall height between middle runner (4) and inner flow passage (2) identical, the partition wall upper surface between outer flow passage (3) and middle runner (4), partition wall upper surface between middle runner (4) and inner flow passage (2) and the upper surface of central boss (1) and the annular end face of inner stopper coplanar, cover plate (8) is a plectane, and it to be sealed on inner stopper and to be connected with the annular end face of inner stopper by the upper surface of welding and the partition wall upper surface between outer flow passage (3) with middle runner (4), partition wall upper surface between middle runner (4) with inner flow passage (2) and central boss (1) is entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964612.7A CN105509982B (en) | 2015-12-21 | 2015-12-21 | A kind of experiment of Temperature High Cycle Fatigue is with being thermally isolated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964612.7A CN105509982B (en) | 2015-12-21 | 2015-12-21 | A kind of experiment of Temperature High Cycle Fatigue is with being thermally isolated device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105509982A true CN105509982A (en) | 2016-04-20 |
| CN105509982B CN105509982B (en) | 2018-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510964612.7A Active CN105509982B (en) | 2015-12-21 | 2015-12-21 | A kind of experiment of Temperature High Cycle Fatigue is with being thermally isolated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105509982B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186908A (en) * | 2018-08-24 | 2019-01-11 | 北京航空航天大学 | The cooling clamping device of the high-temperature vibrating test of turbine guide vane |
| CN109883739A (en) * | 2017-12-06 | 2019-06-14 | 北京机电工程研究所 | A thermal insulation device and method |
| CN111486645A (en) * | 2020-04-28 | 2020-08-04 | 中国航发湖南动力机械研究所 | Water cooling device and turbine blade high-temperature high-cycle fatigue test device |
| CN114112271A (en) * | 2021-11-30 | 2022-03-01 | 中国航发湖南动力机械研究所 | Turbine blade fatigue test fixture and device |
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| CN2244618Y (en) * | 1995-10-30 | 1997-01-08 | 煤炭科学研究总院南京研究所 | Closed explosion-preventing case cooler for mine equipment |
| FR2795426A1 (en) * | 1999-06-22 | 2000-12-29 | Commissariat Energie Atomique | Support for genetic analysis comprising reservoir(s) for a medium to be analyzed connected by passage(s) having temperature control device(s) to a test strip with analysis sites having biological probes |
| CN2916555Y (en) * | 2006-07-12 | 2007-06-27 | 史金华 | Energy-saving cooling tower with blades driven by water turbine |
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| US20150003495A1 (en) * | 2013-07-01 | 2015-01-01 | Knew Value, LLC | Heat exchanger testing device |
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2015
- 2015-12-21 CN CN201510964612.7A patent/CN105509982B/en active Active
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| CN2244618Y (en) * | 1995-10-30 | 1997-01-08 | 煤炭科学研究总院南京研究所 | Closed explosion-preventing case cooler for mine equipment |
| FR2795426A1 (en) * | 1999-06-22 | 2000-12-29 | Commissariat Energie Atomique | Support for genetic analysis comprising reservoir(s) for a medium to be analyzed connected by passage(s) having temperature control device(s) to a test strip with analysis sites having biological probes |
| CN2916555Y (en) * | 2006-07-12 | 2007-06-27 | 史金华 | Energy-saving cooling tower with blades driven by water turbine |
| CN101900370A (en) * | 2009-05-30 | 2010-12-01 | 张工强 | Energy-saving temperature-regulating ventilating heat supply machine |
| US20150003495A1 (en) * | 2013-07-01 | 2015-01-01 | Knew Value, LLC | Heat exchanger testing device |
| CN204859868U (en) * | 2015-08-11 | 2015-12-09 | 讯凯国际股份有限公司 | Liquid-cooled water-cooled head with split flow design and its heat dissipation structure |
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| 王卫国等: "轮盘低循环疲劳寿命预测方法研究及试验验证", 《航空动力学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883739A (en) * | 2017-12-06 | 2019-06-14 | 北京机电工程研究所 | A thermal insulation device and method |
| CN109186908A (en) * | 2018-08-24 | 2019-01-11 | 北京航空航天大学 | The cooling clamping device of the high-temperature vibrating test of turbine guide vane |
| CN111486645A (en) * | 2020-04-28 | 2020-08-04 | 中国航发湖南动力机械研究所 | Water cooling device and turbine blade high-temperature high-cycle fatigue test device |
| CN111486645B (en) * | 2020-04-28 | 2021-10-26 | 中国航发湖南动力机械研究所 | Water cooling device and turbine blade high-temperature high-cycle fatigue test device |
| CN114112271A (en) * | 2021-11-30 | 2022-03-01 | 中国航发湖南动力机械研究所 | Turbine blade fatigue test fixture and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105509982B (en) | 2018-01-16 |
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Address after: No. 999, Xuefu Road, Xindu, Chengdu, Sichuan 610500 Patentee after: AECC SICHUAN GAS TURBINE Research Institute Address before: 621703 P.O. Box 305, Jiangyou City, Mianyang City, Sichuan Province Patentee before: CHINA GAS TURBINE EST |