CN207049130U - A kind of attachment structure for pre-packaged Metallic Thermal Protection Systems - Google Patents
A kind of attachment structure for pre-packaged Metallic Thermal Protection Systems Download PDFInfo
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- CN207049130U CN207049130U CN201720985211.4U CN201720985211U CN207049130U CN 207049130 U CN207049130 U CN 207049130U CN 201720985211 U CN201720985211 U CN 201720985211U CN 207049130 U CN207049130 U CN 207049130U
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- thermal protection
- protection systems
- metallic thermal
- attachment structure
- branch sleeve
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Abstract
It the utility model is related to a kind of attachment structure of Metallic Thermal Protection Systems, more particularly to it is used for the attachment structure of pre-packaged Metallic Thermal Protection Systems, is made up of heat insulation cap (1), branch sleeve (3), fastening bolt (7) and nut (8).Heat insulation cap (1) is interior through Metallic Thermal Protection Systems top panel (2) insertion branch sleeve (3), the internal filling with insulation material (4) of branch sleeve (3) being connected with Metallic Thermal Protection Systems top panel (2) and Metallic Thermal Protection Systems lower panel (5), nut (8) is used cooperatively with fastening bolt (7), and Metallic Thermal Protection Systems lower panel (5) is fixed on housing construction (6).The thermal stress of Metallic Thermal Protection Systems join domain is reduced using the double shield of the low heat insulation cap of thermal conductivity (1) and heat-barrier material (4), improves the reliability of pre-packaged Metallic Thermal Protection Systems.
Description
Technical field
It the utility model is related to the attachment structure of Metallic Thermal Protection Systems, and in particular to one kind is prevented for pre-packaged metal fever
The attachment structure of protecting system.
Background technology
The core technology of Hypersonic Aircraft high-performance fight capability is thermal protection system, and thermal protection system is normally at winged
It is to protect internal structure or the temperature of two level subsystem in the range of allowable temperature, while carry certain power outside row device
Learn the structural system of load.Thermal protection system can be divided into passive thermal protection system, semi-passive (half actively) thermal protection system and
Active cooling thermal protection system.Passive thermal protection system carries out solar heat protection, main structure shape mainly by absorption and radiation Aerodynamic Heating
Formula uses heat structure and heat-insulating type thermal protection struc ture.
In the passive thermal protection system that current hypersonic aircraft uses, Metallic Thermal Protection Systems have：Solar heat protection and
Structure-function integration, good machining property, durability, inoxidizability, water proofing property, it is reusable, it is easy to assemble safeguard,
Low cost and other advantages.Meanwhile the Metallic Thermal Protection Systems of pre-packaged form are arranged on housing construction outer surface, avoid heat/power
Impact injury damages to caused by housing construction.Attachment structure is that one in the design of metal pre-packaged thermal protection structure has and chosen
The difficult point of war property, it does not require nothing more than enough strength and stiffness and cold and hot structure is attached, and the TPS of monolithic is tied
Structure connects into an entirety, synergy, to ensure that hypersonic aircraft has good aerodynamic configuration.
The pre-packaged Metallic Thermal Protection Systems generally use metal bolts connection of tradition, due to the coefficient of heat conduction of metal material
Greatly, heat bridge easily is formed between the panel and fuselage of metal thermal protection structure system, causes thermal protection system to be connected in fuselage
Thermal stress in region is concentrated, and influences the reliability of the pre-packaged thermal protection system of metal.
The content of the invention
The utility model provides a kind of attachment structure for pre-packaged Metallic Thermal Protection Systems, can solve the problem that thermal protection
Thermal stress in system and fuselage join domain is concentrated, the problem of influenceing the reliability of the pre-packaged thermal protection system of metal.
In order to achieve the above object, embodiment of the present utility model adopts the following technical scheme that：
A kind of attachment structure for pre-packaged Metallic Thermal Protection Systems, for the gold to pre-packaged Metallic Thermal Protection Systems
Category thermal protection system top panel is attached with Metallic Thermal Protection Systems lower panel, it is characterised in that described to be used for pre-packaged gold
The attachment structure of category thermal protection system includes：
Heat insulation cap, in cylinder, top is that cylindrical radius is larger, and lower cylindrical radius is smaller；
Branch sleeve, branch sleeve top end face are fixedly connected with Metallic Thermal Protection Systems top panel, bottom end face
It is fixedly connected with Metallic Thermal Protection Systems lower panel, the bottom of the heat insulation cap is consolidated through the Metallic Thermal Protection Systems top panel
Surely insert in branch sleeve；
Fastening bolt, it is arranged in the branch sleeve, and one end passes from the bottom of the branch sleeve, sequentially passes through
The Metallic Thermal Protection Systems lower panel and housing construction；
Nut, it is adapted with the fastening bolt.
Alternatively, filling with insulation material inside the branch sleeve.
Alternatively, the connection of the branch sleeve and Metallic Thermal Protection Systems top panel, Metallic Thermal Protection Systems lower panel
Mode is welding.
Alternatively, the heat insulation cap top is provided with the structure of rectangular recess, and the heat insulation cap and branch sleeve are spiral shell
Line connects.
The utility model has the advantage of：The branch sleeve of attachment structure is blocked using the low heat insulation cap of thermal conductivity, will
Aircraft surfaces hot-fluid is isolated with branch sleeve, reduces influence of the hot-fluid to attachment structure.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, show meet it is of the present utility model
Embodiment, and for explaining principle of the present utility model together with specification.
Fig. 1 is the general illustration for the attachment structure that the utility model is used for pre-packaged Metallic Thermal Protection Systems.
Fig. 2 is the sectional view for the attachment structure that the utility model is used for pre-packaged Metallic Thermal Protection Systems.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.
As depicted in figs. 1 and 2, the utility model is used for the attachment structure of pre-packaged Metallic Thermal Protection Systems, for metal
Thermal protection structure system panel (i.e. Metallic Thermal Protection Systems top panel 2 and Metallic Thermal Protection Systems lower panel 5) and housing construction 6
Connection.Attachment structure for pre-packaged Metallic Thermal Protection Systems comprises at least heat insulation cap 1, branch sleeve 3, fastening bolt 7, spiral shell
Mother 8.
Specifically, heat insulation cap 1 is shaped as cylinder, and Upper cylindrical radius is larger, and top is provided with rectangular recess, bottom circle
Column radius is smaller；The bottom of heat insulation cap 1 is fixed in insertion branch sleeve 3 after passing through Metallic Thermal Protection Systems top panel 2.Wherein,
The bottom of heat insulation cap 1 can be fixed on branch sleeve 3 by a variety of suitable modes, in the present embodiment, preferably under heat insulation cap 1
Portion opens up external screw thread, and the internal thread to match is opened up in branch sleeve 3, so as to be connected through a screw thread；Also, heat insulation cap 1
Top is provided with rectangular recess, and more easily heat insulation cap 1 can be dismounted by rectangular recess.
Branch sleeve 3 is hollow cylinder cavity, and both ends are bent outwardly extension, filling with insulation material 4 in cavity, adapter sleeve
Cylinder 3 is fixedly connected with Metallic Thermal Protection Systems top panel 2, Metallic Thermal Protection Systems lower panel 3, and connected mode is preferably to weld
Connect.
Fastening bolt 7 is arranged in branch sleeve 3, and one end passes from the bottom of branch sleeve 3, sequentially passes through metal fever
Guard system lower panel 5 and housing construction 6.8 hexagonal cylinder of nut, is used cooperatively with fastening bolt 7, for by metal
Thermal protection system lower panel 5 is fixed on housing construction 6.It should be noted that in the present embodiment, branch sleeve 3 and fastening spiral shell
Bolt 7 is made of the high metal material of intensity.
In attachment structure of the present utility model for pre-packaged Metallic Thermal Protection Systems, Metallic Thermal Protection Systems top panel
The first through hole matched with heat insulation cap 1 is provided with 2, is easy to heat insulation cap 1 through the insertion connection of Metallic Thermal Protection Systems top panel 2
Sleeve 3.Further, the second through hole and third through-hole are respectively arranged with Metallic Thermal Protection Systems lower panel 5 and housing construction 6,
Make fastening bolt that Metallic Thermal Protection Systems lower panel 5 is fixed on housing construction 6.
Further, in the attachment structure of the present utility model for pre-packaged Metallic Thermal Protection Systems, can also connect
The inside filling with insulation material 4 of sleeve 3, so as to reduce the heat transfer of attachment structure, play a part of heat bridge blocking；Wherein,
Heat insulation cap 1, heat-barrier material 4 are both preferably the low material of thermal conductivity.
Attachment structure of the present utility model for pre-packaged Metallic Thermal Protection Systems, simple in construction, dismounting easy to maintain,
Cost is low.The branch sleeve of attachment structure is blocked using the low heat insulation cap of thermal conductivity, by aircraft surfaces hot-fluid and branch sleeve
Isolation, reduces influence of the hot-fluid to attachment structure.In addition, the filling with insulation material inside branch sleeve, reduces connection knot
The heat transfer of structure, play a part of heat bridge blocking.In a word, metal fever is reduced by the low heat insulation cap of thermal conductivity and heat-barrier material to prevent
The thermal stress of protecting system join domain, improve the reliability of pre-packaged Metallic Thermal Protection Systems.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with described
Scope of the claims is defined.
Claims (4)
- A kind of 1. attachment structure for pre-packaged Metallic Thermal Protection Systems, for the metal to pre-packaged Metallic Thermal Protection Systems Thermal protection system top panel (2) is attached with Metallic Thermal Protection Systems lower panel (5), it is characterised in that described to be used to seal in advance The attachment structure of dress Metallic Thermal Protection Systems includes：Heat insulation cap (1), in cylinder, top is that cylindrical radius is larger, and lower cylindrical radius is smaller；Branch sleeve (3), branch sleeve (3) the top end face are fixedly connected with Metallic Thermal Protection Systems top panel (2), bottom End face is fixedly connected with Metallic Thermal Protection Systems lower panel (5), and the bottom of the heat insulation cap (1) passes through the metal thermal protection system In the fixed insertion branch sleeve (3) of top panel (2) of uniting；Fastening bolt (7), it is arranged in the branch sleeve (3), and one end passes from the bottom of the branch sleeve (3), according to It is secondary to run through the Metallic Thermal Protection Systems lower panel (5) and housing construction (6)；Nut (8), it is adapted with the fastening bolt (7).
- 2. the attachment structure according to claim 1 for pre-packaged Metallic Thermal Protection Systems, it is characterised in that the company The internal filling with insulation material (4) of female connector cylinder (3).
- 3. the attachment structure according to claim 1 for pre-packaged Metallic Thermal Protection Systems, it is characterised in that the company The connected mode of female connector cylinder (3) and Metallic Thermal Protection Systems top panel (2), Metallic Thermal Protection Systems lower panel (5) is welding.
- 4. the attachment structure according to claim 1 for pre-packaged Metallic Thermal Protection Systems, it is characterised in that it is described every Hot tap (1) top is provided with the structure of rectangular recess, and the heat insulation cap (1) is to be threadedly coupled with branch sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985211.4U CN207049130U (en) | 2017-08-08 | 2017-08-08 | A kind of attachment structure for pre-packaged Metallic Thermal Protection Systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985211.4U CN207049130U (en) | 2017-08-08 | 2017-08-08 | A kind of attachment structure for pre-packaged Metallic Thermal Protection Systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049130U true CN207049130U (en) | 2018-02-27 |
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ID=61500179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720985211.4U Active CN207049130U (en) | 2017-08-08 | 2017-08-08 | A kind of attachment structure for pre-packaged Metallic Thermal Protection Systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469614A (en) * | 2019-09-10 | 2019-11-19 | 南京航空航天大学 | A kind of shock loading slowing device and method based on marmem |
| CN111503428A (en) * | 2020-04-07 | 2020-08-07 | 北京空天技术研究所 | Thermal bridge blocking structure |
-
2017
- 2017-08-08 CN CN201720985211.4U patent/CN207049130U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469614A (en) * | 2019-09-10 | 2019-11-19 | 南京航空航天大学 | A kind of shock loading slowing device and method based on marmem |
| CN110469614B (en) * | 2019-09-10 | 2020-09-25 | 南京航空航天大学 | Impact load relieving device and method based on shape memory alloy |
| CN111503428A (en) * | 2020-04-07 | 2020-08-07 | 北京空天技术研究所 | Thermal bridge blocking structure |
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