CN105083528A - Thermal protection device - Google Patents
Thermal protection device Download PDFInfo
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- CN105083528A CN105083528A CN201510563294.3A CN201510563294A CN105083528A CN 105083528 A CN105083528 A CN 105083528A CN 201510563294 A CN201510563294 A CN 201510563294A CN 105083528 A CN105083528 A CN 105083528A
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Abstract
The invention discloses a thermal protection device which comprises an upper panel, a bottom panel, an upper corrugated plate layer and a lower corrugated plate layer, wherein the upper corrugated plate layer comprises a plurality of upper corrugated plates which are arranged in sequence; the lower corrugated plate layer comprises a plurality of lower corrugated plates which are arranged in sequence; the upper corrugated plate layer is arranged above the lower corrugated plate layer; the upper and lower corrugated plate layers are arranged in a staggered manner; the lower ends of the at the upper part corrugated plates and the upper ends of the lower corrugated plates are connected with one another through a heat insulation and bearing bolt connection structure; the heat insulation and bearing bolt connection structure comprises joint bolts, upper heat insulation gaskets, middle heat insulation spacers, lower heat insulation gaskets, and connecting nuts; the gap between the upper panel and the lower ends of the upper corrugated plates is filled with a high-temperature resistant insulating material; the gap between the bottom panel and the upper ends of the lower corrugated plates is filled with a middle-temperature resistant insulating material. Due to the adoption of the thermal protection device provided by the invention, the problems of thermal short-circuiting of the connection structure and thermal mismatch of a cold-hot structure of the thermal protection device can be solved.
Description
Technical field
The present invention relates to hypersonic aircraft technomania guard technology field, particularly a kind of temperature barrier.
Background technology
Thermal protection system is positioned at hypersonic aircraft external fuselage, for preventing fuselage and inner structure temperature to be no more than the range of temperatures that can bear, forms protectiveness outer and bear a kind of structural system of certain load.Thermal protection system is the key subsystem of the flight safety ensureing hypersonic aircraft, is also the critical system realizing fuselage loss of weight.
In the prior art, thermal protection system generally adopts the device such as traditional thermal insulation tile, heat insulation felt thermal protection.Although traditional temperature barrier is lightweight, its mechanical property is more weak, and the maintainability of bonding connection is poor.In addition, the U.S. is the Metal Substrate thermal protection system of research and development for aircraft such as X-33, and Europe is the fiber reinforced ceramic composite cover plate thermal protection of Pre-x project research and development, is to adopt the coated thermal insulation material of panel, then is connected with fuselage by connection bracket.But above-mentioned thermal protection system generally all only bears aerodynamic load, because which limit the further lifting of thermal protection system structure efficiency of the prior art.
Along with the development of novel hypersonic aircraft, require also more and more higher to the structure efficiency of aircraft, therefore propose the anti-heat insulation thermal protection concept integrated with load.This temperature barrier while completing anti-heat insulating function, can by transmitting between fuselage and thermal protection panel, between panel and panel, distribute loads, and then reduce airframe structure weight.
The difference of above-mentioned integrated temperature barrier and traditional temperature barrier is, the typical structural characteristics of integrated temperature barrier adopts connection structure (such as, web) to connect to be in respectively top panel under high temperature and low temperature and lower faceplate.But this connection structure needs to support top panel on the one hand, forms constraint to the distortion of top panel; The distortion of this connection structure of another aspect is also subject to top panel and lower faceplate controls, and needs coordination structure distortion between cold and hot structure, transmits and distribute corresponding structural load.Therefore, in typical integrated thermal protection system, the connection structure (such as, ripple connection structure) used all also exist thermal mismatching obviously, be cross-linked structure and there is the significantly problem such as hot short circuit, thus also limit the further lifting of the structure efficiency of temperature barrier.
Summary of the invention
In view of this, the invention provides a kind of temperature barrier, thus the problem of the hot short circuit of connection structure that can solve in temperature barrier and cold and hot structure thermal mismatching.
Technical scheme of the present invention is specifically achieved in that
A kind of temperature barrier, this device comprises: top panel, bottom panel, arranged in order by multiple tops corrugated plating and the top corrugated sheet that forms and the below corrugated sheet being arranged in order by multiple belows corrugated plating and form;
Described top corrugated sheet is arranged on the top of described below corrugated sheet, and described top corrugated sheet and described below corrugated sheet are crisscross arranged;
The lower end of described below corrugated plating is connected with described bottom panel; The upper end of described top corrugated plating is connected with described top panel; The lower end of described top corrugated plating and the upper end of described below corrugated plating are worked in coordination with bolt fastening structure with load be connected by heat insulation;
Described heat insulation and load is worked in coordination with bolt fastening structure and is comprised: tie bolt, be arranged on the top heat insulating washer between described tie bolt and described top corrugated plating, the middle part heat insulating mattress between the lower end being arranged on described top corrugated plating and the upper end of described below corrugated plating, be arranged on below heat insulating washer between described tie bolt and described below corrugated plating, coupling nut;
High temperature resistant heat insulation material is filled with in space between the lower end of described top panel and described top corrugated plating; Resistance to middle temperature thermal insulation material is filled with in space between the upper end of described bottom panel and described below corrugated plating.
Preferably, the angle between described top corrugated plating and below corrugated plating is default angle.
Preferably, described default angle is 90 °.
Preferably, described top corrugated plating and below corrugated plating are provided with web engraved structure.
Preferably, described top corrugated plating and below corrugated plating are provided with multiple bolt hole passed for tie bolt;
Wherein, the bolt hole at the middle part of described top corrugated plating or below corrugated plating is positioned at for circular; The bolt hole being positioned at described top corrugated plating or corrugated plating two ends, below is arranged to long slot bore according to het expansion direction.
Preferably, described tie bolt is hollow structure.
Preferably, described high temperature resistant heat insulation material is by high temperature resistant ZrO
2or Al
2o
3fibrous insulation is made;
Described resistance to middle temperature thermal insulation material is by SiO
2nanoporous aerogel is made.
Preferably, described top panel is prepared from by the GH4169 high temperature alloy plate that 2mm is thick;
Described bottom panel is prepared from by the Al alloy sheets that 3mm is thick.
Preferably, described top corrugated plating is prepared from by the GH4169 high temperature alloy plate that 1mm is thick;
Described below corrugated plating is prepared from by the TiAl high temperature alloy plate that 1mm is thick.
Preferably, described tie bolt and coupling nut are prepared from by TiAl high temperature alloy;
Described top heat insulating washer, middle part heat insulating mattress and below heat insulating washer are by a cube stable ZrO
2be prepared from.
As above visible, in temperature barrier of the present invention, owing to employing upper and lower two-layer corrugated plating, i.e. top corrugated sheet and below corrugated sheet, thus upper surface heat structure and bottom air-cooled structure can be connected, and transmit distribute loads between, and withstand high temperatures is to the large thermal drop of low temperature; And be crisscross arranged due to the top corrugated plating in the present invention and below corrugated plating, therefore effectively can improve the structure reactance of temperature barrier in face in both direction, the problem of a direction bending resistance difference avoiding single direction ripple to cause; Further, according to external load situation, can also be adjusted by the rigidity of structure of individual layer, realize best rigidity Design.In addition, due to the top corrugated plating in the present invention and below corrugated plating can also be provided with web engraved structure, thus structure loss of weight can be carried out.In addition, work in coordination with in bolt fastening structure due to the heat insulation and load in the present invention and be provided with heat insulating washer and heat insulating mattress, thus the Heat transmission that can effectively be decreased through between above-mentioned connection structure, block the hot-fluid that hot surface transmits via connection structure downwards, thus obviously can reduce the hot short-circuiting effect of connection structure, improve cold and hot structure thermal matching.
Accompanying drawing explanation
Fig. 1 is the structural representation of the temperature barrier in the embodiment of the present invention.
Fig. 2 is the structural representation that heat insulation and load in the embodiment of the present invention works in coordination with bolt fastening structure.
Fig. 3 is the structural representation of the below corrugated plating in specific embodiments of the invention.
Fig. 4 is that specific embodiments of the invention and prior art back temperature respond and ripple connection scheme comparison diagram.
Fig. 5 (a) and Fig. 5 (b) are specific embodiments of the invention and prior art structure stress distribution and ripple connection scheme comparison diagram.
Numbering corresponding relation in figure:
1-top panel (heat structure panel); Corrugated plating above 2-; Corrugated plating below 3-; 4-bottom panel (air-cooled structure panel); 5-tie bolt; Heat insulating washer above 6-; Heat insulating mattress in the middle part of 7-; Heat insulating washer below 8-; 9-coupling nut; 10-high temperature resistant heat insulation material; The resistance to middle temperature thermal insulation material of 11-.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the structural representation of the temperature barrier in the embodiment of the present invention.Fig. 2 is the structural representation that heat insulation and load in the embodiment of the present invention works in coordination with bolt fastening structure.As depicted in figs. 1 and 2, the temperature barrier in the embodiment of the present invention comprises: top panel 1, bottom panel 4, arranged in order by multiple tops corrugated plating 2 and the top corrugated sheet formed and the below corrugated sheet being arranged in order by multiple belows corrugated plating 3 and form;
Described top corrugated sheet is arranged on the top of described below corrugated sheet, and described top corrugated sheet and described below corrugated sheet are crisscross arranged;
The lower end of described below corrugated plating 3 is connected with described bottom panel 4; The upper end of described top corrugated plating 2 is connected with described top panel 1; The lower end of described top corrugated plating 2 and the upper end of described below corrugated plating 3 are worked in coordination with bolt fastening structure with load be connected by heat insulation;
Described heat insulation and load is worked in coordination with bolt fastening structure and is comprised: tie bolt 5, be arranged on the top heat insulating washer 6 between described tie bolt 5 and described top corrugated plating 2, the middle part heat insulating mattress 7 between the lower end being arranged on described top corrugated plating 2 and the upper end of described below corrugated plating 3, be arranged on below heat insulating washer 8 between described tie bolt 5 and described below corrugated plating 3, coupling nut 9;
High temperature resistant heat insulation material 10 is filled with in space between the lower end of described top panel 1 and described top corrugated plating 2; Resistance to middle temperature thermal insulation material 11 is filled with in space between the upper end of described bottom panel 4 and described below corrugated plating 3.
According to above-mentioned structure, temperature barrier in the present invention is a kind of sandwich construction be made up of four portion of material, and described four portion of material comprise: the thermal insulation material of surface thermal protection material heat structure panel (i.e. top panel 1), bottom air-cooled structure panel (i.e. bottom panel 4), inner connecting structure (i.e. top corrugated plating 2 and below corrugated plating 3) and cavity filling.
In addition, in the inventive solutions, above-mentioned thermal insulation material can adopt oxide ceramic fibre heat insulation felt material or high-temperature resistant nano aerogel material single or multiple lift combined material, it act as is be filled in the cavity in above-mentioned temperature barrier, stop the thermal radiation between cold and hot structure, play heat-blocking action.
Such as, in the preferred embodiment, described high temperature resistant heat insulation material 10 can by high temperature resistant ZrO
2or Al
2o
3fibrous insulation is made, and resistance to middle temperature thermal insulation material 11 then can by SiO
2nanoporous aerogel is made.
In temperature barrier in the present invention, in fact a kind of heat structure panel of top panel 1, can at high temperature stop thermal current and bear mechanical loading, therefore the preparation of heat resistant structure material is usually adopted, the heating resisting metal materials such as the such as heat-resisting composite such as carbon/carbon compound material, C/SiC, SiC/SiC, and high temperature alloy.Therefore, preferably, in a particular embodiment of the present invention, described top panel 1 can be prepared from by the GH4169 high temperature alloy plate that 2mm is thick.
In temperature barrier in the present invention; bottom panel 4 is actually a kind of air-cooled structure panel; can be connected with fuselage truss reinforced structure; share fuselage load, therefore usually adopt the preparations such as aeronautic structure aluminum alloy materials, Graphite/Epoxy, bimaleimide resin base carbon fibre reinforced composite.Therefore, preferably, in a particular embodiment of the present invention, described bottom panel 4 can be prepared from by the Al alloy sheets that 3mm is thick.
In temperature barrier in the present invention, have employed upper and lower two-layer corrugated plating, i.e. top corrugated sheet and below corrugated sheet.This inner connecting structure can connect upper surface heat structure and bottom air-cooled structure, and transmit distribute loads between, and withstand high temperatures is to the large thermal drop of low temperature, therefore the preparation of heat resistant structure material is usually adopted, as the heat-resisting composite such as carbon/carbon compound material, C/SiC, SiC/SiC, and the heating resisting metal material such as high temperature alloy.Therefore, preferably, in a particular embodiment of the present invention, described top corrugated plating 2 can be prepared from by the GH4169 high temperature alloy plate that 1mm is thick; Below corrugated plating 3 then can be prepared from by the TiAl high temperature alloy plate that 1mm is thick.
In addition, in temperature barrier in the present invention, above each, corrugated plating 2 and below corrugated plating 3 are crisscross arranged; Preferably, in the specific embodiment of invention, the angle between described top corrugated plating 2 and below corrugated plating 3 can be default angle.Such as, the angle between described top corrugated plating 2 and below corrugated plating 3 can be 90 °, or other angle value pre-set.
Because described top corrugated plating 2 and below corrugated plating 3 are crisscross arranged, therefore the structure reactance of temperature barrier in face in both direction effectively can be improved, the problem of a direction bending resistance difference avoiding single direction ripple to cause; Further, according to external load situation, can also be adjusted by the rigidity of structure of individual layer, realize best rigidity Design.
In addition, preferably, in the specific embodiment of invention, described top corrugated plating 2 and below corrugated plating 3 can also be provided with web engraved structure (as shown in Figure 3), thus structure loss of weight can be carried out, and the rigidity of structure of individual layer corrugated plating can be adjusted by hollow out size, web angle, corrugated plating height and material thickness; Also by the adjustment of two-layer corrugated board structures rigidity, realize connection structure to the unmatched best compliance of cold and hot structure, meanwhile do not lose due structural distortion drag; In addition, because the service temperature of upper and lower two-layer corrugated plating is different, the structural materials that therefore can temperature tolerance be adopted respectively different, carries out the preferred of material, thus can reduce costs while raising structure efficiency.
In addition, in the inventive solutions, described top corrugated plating 2 can be arranged to different shapes according to the position at this bolt hole place from the bolt hole of below corrugated plating 3 junction.Such as, preferably, in the specific embodiment of invention, described top corrugated plating 2 and below corrugated plating 3 are provided with multiple bolt hole passed for tie bolt 5, wherein, the bolt hole being positioned at the middle part of described top corrugated plating 2 or below corrugated plating 3 can be set to circle, the bolt hole being positioned at described top corrugated plating 2 or below corrugated plating 3 two ends then can be arranged to long slot bore according to het expansion direction, thus the Relative sliding occurred between corrugated plating 2 and below corrugated plating 3 above can allowing to a certain degree, to discharge the thermal mismatching effect of cold and hot structure.
In addition, in temperature barrier in the present invention, described heat insulation and load is worked in coordination with between tie bolt 5 in bolt fastening structure and the corrugated plating be connected and is all provided with heat insulating washer, and between the corrugated plating be connected, be provided with heat insulating mattress isolation, can be fixed by tie bolt 5 and coupling nut 9 between each several part, thus the Heat transmission that can effectively be decreased through between above-mentioned connection structure, block the hot-fluid that hot surface transmits via connection structure downwards.
Therefore, preferably, in a particular embodiment of the present invention, described tie bolt 5 and coupling nut 9 can be prepared from by TiAl high temperature alloy; And described top heat insulating washer 6, middle part heat insulating mattress 7 and below heat insulating washer 8 all can by cube stable ZrO
2be prepared from.
In addition, preferably, in a particular embodiment of the present invention, described tie bolt 5 is hollow structure, thus effectively can reduce the heat conduction at tie bolt place, and alleviates integrally-built total weight.
In addition, in the inventive solutions, according to the difference of structural materials, can adopt between heat structure panel (i.e. top panel 1), air-cooled structure panel (i.e. bottom panel 4) and inner connecting structure (i.e. top corrugated plating 2 and below corrugated plating 3) that multi-point welding connects, resin-dipping cracking, chemical vapor deposition, the various ways such as bonding connect.
According to the difference of structural materials, the temperature barrier in the present invention can be applied in the hypersonic aircraft fuselage surface in DEG C range of temperatures of normal temperature ~ 1800.
In addition, in the inventive solutions, for a concrete preferred embodiment, the concrete preparation method of all parts in above-mentioned temperature barrier can also be described in detail:
Such as, can first prepare top panel 1 by the mode of laser beam cutting, its size can be 300 × 300mm; And then prepare bottom panel 2 by laser beam cutting, it is of a size of 300 × 300mm; The thick GH4169 high temperature alloy corrugated plating plate of the 1mm of corresponding size is prepared again by laser beam cutting, described corrugated plating plate stamps out web hollow out and bolt hole, top corrugated plating 2 is prepared into again through bending operation, the scantling of structure of top corrugated plating 2 is web angle 60 °, web height 40mm, web periodic width 150mm; The thick TiAl high temperature alloy corrugated plating plate of the 1mm of corresponding size is prepared again by laser beam cutting, described corrugated plating plate stamps out web hollow out and bolt hole, below corrugated plating 3 is prepared into again through bending operation, below this, the scantling of structure of corrugated plating 3 is web angle 60 °, web height 40mm, web periodic width 150mm; From zirconia blank, heat insulating washer 6 and the heat insulating washer 8 of internal diameter 6mm, external diameter 8mm made by car, and from zirconia blank, middle part heat insulating mattress 7 made by car, and in the middle part of this, heat insulating mattress 7 is of a size of internal diameter 7mm, external diameter 10mm, thickness 5mm; Use TiAl alloy to prepare hollow bolt 5 and nut 9, nominal diameter is 6mm.
In addition, in the inventive solutions, above-mentioned preparation method is only a kind of better embodiment in the present invention, and is not unique embodiment, and the present invention does not limit for the concrete preparation method of all parts in above-mentioned temperature barrier.
In addition, in the inventive solutions, the assembling process of each part in above-mentioned temperature barrier can be:
Corrugated plating above each 2 and below corrugated plating 3 are arranged to predetermined angle (such as, 90 °), in staggered overlap joint state, between top corrugated plating 2 and below corrugated plating 3, adopt middle part heat insulating mattress 7 to locate; And then use tie bolt 5, top heat insulating washer 6, below heat insulating washer 8, coupling nut 9 is fastenedly connected; Re-use frock chucking device top panel 1, lower faceplate 4 are carried out with above-mentioned inner connecting structure clamp, regular, and then utilize the method for laser welding, carry out laser welding at the contact position of above-mentioned inner connecting structure and top panel 1, lower faceplate 4, and then complete the connection of total; Filling with insulation material 10 in the cavity of last corrugated plating 2 up, filling with insulation material 11 in the cavity of below corrugated plating 3, and then complete the assembling of whole temperature barrier.
Fig. 4 is back temperature response and ripple connection scheme comparison diagram in specific embodiments of the invention.As shown in Figure 4, the thermal response of the temperature barrier in the present invention is: under typical Spacecraft reentry load environment condition, peak value aerodynamic heating 45kW/m
2, peak value Pneumatic pressure 100kPa.Compared with the corrugated plating connection scheme of same material system, identical faces board size, different connection structure, the back side highest temperature of the temperature barrier in the present invention and heating rate lower, also instant heating short-circuiting effect low (as shown in Figure 4).
Fig. 5 (a) and (b) are structure stress distribution in specific embodiments of the invention and ripple connection scheme comparison diagram.Fig. 5 (a) is specific embodiment of the invention scheme; Fig. 5 (b) is prior art.As shown in Fig. 5 (a) He (b), abscissa is the ratio of stress and strength of material in structure, and this numerical value lower description architecture stress level is lower; Ordinate is the unit number in model with current stress ratio.Temperature barrier strain and its intensity ratio greatest measure in the present invention is 0.48, and ripple connection scheme is 1.51; And temperature barrier structural stress in the present invention and the intensity overwhelming majority are distributed in less than 0.2, ripple connection scheme strain and its intensity ratio is below 0.5, and structural stress level obviously reduces by contrast.Distribution of stress in temperature barrier in the present invention is more even, and maximum stress value is less, and also instant heating mismatch effects is low.
In summary, in temperature barrier of the present invention, owing to employing upper and lower two-layer corrugated plating, i.e. top corrugated sheet and below corrugated sheet, thus upper surface heat structure and bottom air-cooled structure can be connected, and transmit distribute loads between, and withstand high temperatures is to the large thermal drop of low temperature.And, because the top corrugated plating in the present invention and below corrugated plating are crisscross arranged, therefore effectively can improve the structure reactance of temperature barrier in face in both direction, the problem of a direction bending resistance difference avoiding single direction ripple to cause; Further, according to external load situation, can also be adjusted by the rigidity of structure of individual layer, realize best rigidity Design.In addition, due to the top corrugated plating in the present invention and below corrugated plating can also be provided with web engraved structure, thus structure loss of weight can be carried out, and the rigidity of structure of individual layer corrugated plating can be adjusted by hollow out size, web angle, corrugated plating height and material thickness; Also by the adjustment of two-layer corrugated board structures rigidity, realize connection structure to the unmatched best compliance of cold and hot structure, meanwhile do not lose due structural distortion drag; In addition, because the service temperature of upper and lower two-layer corrugated plating is different, the structural materials that therefore can temperature tolerance be adopted respectively different, carries out the preferred of material, thus can reduce costs while raising structure efficiency.In addition, work in coordination with in bolt fastening structure due to the heat insulation and load in the present invention and be provided with heat insulating washer and heat insulating mattress, thus the Heat transmission that can effectively be decreased through between above-mentioned connection structure, block the hot-fluid that hot surface transmits via connection structure downwards, thus obviously can reduce the hot short-circuiting effect of connection structure, improve cold and hot structure thermal matching.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. a temperature barrier, is characterized in that, this device comprises: top panel, bottom panel, arranged in order by multiple tops corrugated plating and the top corrugated sheet formed and the below corrugated sheet being arranged in order by multiple belows corrugated plating and form;
Described top corrugated sheet is arranged on the top of described below corrugated sheet, and described top corrugated sheet and described below corrugated sheet are crisscross arranged;
The lower end of described below corrugated plating is connected with described bottom panel; The upper end of described top corrugated plating is connected with described top panel; The lower end of described top corrugated plating and the upper end of described below corrugated plating are worked in coordination with bolt fastening structure with load be connected by heat insulation;
Described heat insulation and load is worked in coordination with bolt fastening structure and is comprised: tie bolt, be arranged on the top heat insulating washer between described tie bolt and described top corrugated plating, the middle part heat insulating mattress between the lower end being arranged on described top corrugated plating and the upper end of described below corrugated plating, be arranged on below heat insulating washer between described tie bolt and described below corrugated plating, coupling nut;
High temperature resistant heat insulation material is filled with in space between the lower end of described top panel and described top corrugated plating; Resistance to middle temperature thermal insulation material is filled with in space between the upper end of described bottom panel and described below corrugated plating.
2. device according to claim 1, is characterized in that:
Angle between described top corrugated plating and below corrugated plating is default angle.
3. device according to claim 2, is characterized in that:
Described default angle is 90 °.
4. device according to claim 1, is characterized in that:
Described top corrugated plating and below corrugated plating are provided with web engraved structure.
5. device according to claim 1, is characterized in that:
Described top corrugated plating and below corrugated plating are provided with multiple bolt hole passed for tie bolt;
Wherein, the bolt hole at the middle part of described top corrugated plating or below corrugated plating is positioned at for circular; The bolt hole being positioned at described top corrugated plating or corrugated plating two ends, below is arranged to long slot bore according to het expansion direction.
6. device according to claim 1, is characterized in that:
Described tie bolt is hollow structure.
7. device according to claim 1, is characterized in that:
Described high temperature resistant heat insulation material is by high temperature resistant ZrO
2or Al
2o
3fibrous insulation is made;
Described resistance to middle temperature thermal insulation material is by SiO
2nanoporous aerogel is made.
8. device according to claim 1, is characterized in that:
Described top panel is prepared from by the GH4169 high temperature alloy plate that 2mm is thick;
Described bottom panel is prepared from by the Al alloy sheets that 3mm is thick.
9. device according to claim 1, is characterized in that:
Described top corrugated plating is prepared from by the GH4169 high temperature alloy plate that 1mm is thick;
Described below corrugated plating is prepared from by the TiAl high temperature alloy plate that 1mm is thick.
10. device according to claim 1, is characterized in that:
Described tie bolt and coupling nut are prepared from by TiAl high temperature alloy;
Described top heat insulating washer, middle part heat insulating mattress and below heat insulating washer are by a cube stable ZrO
2be prepared from.
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Cited By (7)
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| CN105945417A (en) * | 2016-06-03 | 2016-09-21 | 哈尔滨工业大学 | Thermal bending/diffusion bonding technology method for three-layer corrugated structure of TiAl base alloy |
| CN106005445A (en) * | 2016-07-27 | 2016-10-12 | 中国航空工业集团公司西安飞机设计研究所 | Engine structure and airplane with same |
| CN106158050A (en) * | 2016-06-29 | 2016-11-23 | 中国科学院国家天文台 | A kind of thermal protection structure for nearly sun observation equipment |
| CN106314758A (en) * | 2016-09-29 | 2017-01-11 | 湖北航天技术研究院总体设计所 | End cap heat resistance connecting device |
| CN106927020A (en) * | 2017-03-24 | 2017-07-07 | 沈阳航空航天大学 | A kind of parallel/intersection staggered ripple sandwich integration thermal protection panel |
| CN109367758A (en) * | 2018-11-27 | 2019-02-22 | 北京空间技术研制试验中心 | A kind of thermal protection component and thermal protection system |
| CN109572996A (en) * | 2018-12-04 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | It is a kind of consider temperature change the anti-bird of empennage hit additional covering leading edge structure |
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| CN105945417A (en) * | 2016-06-03 | 2016-09-21 | 哈尔滨工业大学 | Thermal bending/diffusion bonding technology method for three-layer corrugated structure of TiAl base alloy |
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| CN106005445A (en) * | 2016-07-27 | 2016-10-12 | 中国航空工业集团公司西安飞机设计研究所 | Engine structure and airplane with same |
| CN106314758A (en) * | 2016-09-29 | 2017-01-11 | 湖北航天技术研究院总体设计所 | End cap heat resistance connecting device |
| CN106314758B (en) * | 2016-09-29 | 2019-01-04 | 湖北航天技术研究院总体设计所 | A kind of end cap thermal resistance attachment device |
| CN106927020A (en) * | 2017-03-24 | 2017-07-07 | 沈阳航空航天大学 | A kind of parallel/intersection staggered ripple sandwich integration thermal protection panel |
| CN106927020B (en) * | 2017-03-24 | 2023-10-03 | 沈阳航空航天大学 | Parallel/cross staggered corrugated sandwich integrated heat protection panel |
| CN109367758A (en) * | 2018-11-27 | 2019-02-22 | 北京空间技术研制试验中心 | A kind of thermal protection component and thermal protection system |
| CN109572996A (en) * | 2018-12-04 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | It is a kind of consider temperature change the anti-bird of empennage hit additional covering leading edge structure |
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