JPH063100A - Outer shell structure of underwater running body - Google Patents
Outer shell structure of underwater running bodyInfo
- Publication number
- JPH063100A JPH063100A JP16104992A JP16104992A JPH063100A JP H063100 A JPH063100 A JP H063100A JP 16104992 A JP16104992 A JP 16104992A JP 16104992 A JP16104992 A JP 16104992A JP H063100 A JPH063100 A JP H063100A
- Authority
- JP
- Japan
- Prior art keywords
- outer shell
- shell structure
- alloy
- layer
- resistant
- 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.)
- Withdrawn
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高強度・耐熱性を有す
る水中航走体の外殻構造体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer shell structure of an underwater vehicle having high strength and heat resistance.
【０００２】[0002]
【従来の技術】従来の水中航走体の外殻構造体において
は、軽量化の観点から高強度アルミニウム（以下Ａｌと
する）合金が用いられており、特に高温（１００℃以
上）にならない部位には軽量高強度材のプラスチック系
複合材料が用いられていた。2. Description of the Related Art In conventional shell structures for underwater vehicles, a high-strength aluminum (hereinafter referred to as Al) alloy is used from the viewpoint of weight reduction, and a portion which does not particularly reach a high temperature (100 ° C. or higher). A light weight and high strength plastic composite material was used for.
【０００３】[0003]
【発明が解決しようとする課題】従来の水中航走体にお
いては、より一層の大型化、軽量化、高性能化が望まれ
ており、現用材料を用いた外殻構造体ではその実現が困
難な状況にあった。In the conventional underwater vehicle, there is a demand for even larger size, lighter weight, and higher performance, which is difficult to achieve with an outer shell structure using a current material. It was in such a situation.
【０００４】特に、深々度化に伴う応力の増大、及びエ
ンジン性能の向上に伴う温度上昇に対しては、現用のＡ
ｌ合金あるいはプラスチック系複合材料では対応するこ
とができず、仮にこれらの材料を適用した場合には、肉
厚の増大、信頼性の低下をまねく結果となり、充分に満
足できる性能の水中航走体が得られないという課題があ
った。In particular, for the increase in stress due to deepening and the temperature rise due to improvement in engine performance, the current A
l alloys or plastic composite materials cannot be used, and if these materials are applied, the resulting increase in wall thickness and decrease in reliability will result in an underwater vehicle with sufficiently satisfactory performance. There was a problem that was not obtained.
【０００５】本発明は上記課題を解決しようとするもの
である。The present invention is intended to solve the above problems.
【０００６】[0006]
【課題を解決するための手段】本発明の水中航走体の外
殻構造体は、水中航走体の外殻構造体の最外周に配設さ
れ耐食性Ａｌ合金よりなる外皮部、同外皮部の内側に配
設され繊維強化Ａｌ基複合材（以下ＦＲＭとする）より
なる中間皮部、および同中間皮部の内側に配設され冷却
孔が設けられ耐熱Ａｌ合金よりなる内皮部を備えたこと
を特徴としている。An outer shell structure of an underwater vehicle according to the present invention is provided with an outer skin portion and outer skin portion made of a corrosion-resistant Al alloy, which is disposed on the outermost periphery of the outer shell structure of the underwater vehicle. An intermediate skin portion made of a fiber reinforced Al-based composite material (hereinafter referred to as FRM), and a cooling hole provided inside the intermediate skin portion and made of a heat-resistant Al alloy. It is characterized by that.
【０００７】[0007]
【作用】上記において、中間皮部に用いるＦＲＭは、従
来の外殻構造体に用いられていたＡｌ合金に比べて弾性
率、引張強度共に高く、また高温域における強度低下が
少ないため、これを外殻構造体の主たる強度部材として
用いることにより、外殻構造体の強度を高めている。In the above, the FRM used for the intermediate skin portion has a higher elastic modulus and tensile strength than the Al alloy used for the conventional outer shell structure, and the strength reduction in the high temperature range is small. The strength of the outer shell structure is enhanced by using it as the main strength member of the outer shell structure.
【０００８】水中航走体内には各種の機器が設けられ、
これらが発生する熱による外殻の温度上昇を防止するた
め、外殻に冷却孔を設け、これに冷却水を通して冷却す
る必要があるが、上記ＦＲＭよりなる中間皮部に機械加
工により冷却孔を設けることは困難である。Various devices are installed in the underwater vehicle.
In order to prevent the temperature of the outer shell from rising due to the heat generated by these, it is necessary to provide a cooling hole in the outer shell, and to cool it by passing cooling water through it. It is difficult to provide.
【０００９】本発明においては、中間皮部の内側に機械
加工が可能な耐熱Ａｌ合金よりなる内皮部を設け、この
内皮部に冷却孔を設けることにより外殻の冷却を可能と
している。According to the present invention, the inner skin portion is provided with an inner skin portion made of a heat-resistant Al alloy that can be machined, and cooling holes are formed in the inner skin portion, whereby the outer shell can be cooled.
【００１０】外殻構造体の最外周は、常に水や海水と接
触しており、耐食性が必要なため、本発明においては、
中間皮部の外側に耐食性Ａｌ合金よりなる外皮部を設け
て海水等による外殻構造体の腐食を防止している。Since the outermost periphery of the outer shell structure is always in contact with water or seawater and corrosion resistance is required, in the present invention,
An outer skin made of a corrosion-resistant Al alloy is provided outside the intermediate skin to prevent the outer shell structure from being corroded by seawater or the like.
【００１１】上記により、水中航走体の内部に設けられ
た種々の機器が発生する熱を内皮部で吸収し、海水等に
よる腐食を外皮部により防止することができ、中間皮部
にＦＲＭを用いるため、水中航走体全体の軽量化、高性
能化及び大型化が可能となる。As described above, the heat generated by various devices provided inside the underwater vehicle can be absorbed by the inner skin portion, and corrosion by seawater or the like can be prevented by the outer skin portion, and the FRM is formed on the intermediate skin portion. Since it is used, the weight, performance and size of the underwater vehicle can be reduced.
【００１２】[0012]
【実施例】本発明の一実施例を図１に示す。図１に示す
本実施例の水中航走体の外殻構造体は、最外周に配設さ
れ同外殻構造体の外皮を形成し耐食性Ａｌ合金よりなる
外皮部１、同外皮部１の内側に設けられＦＲＭよりなる
中間皮部４、および同中間皮部４の内側に配設され軸方
向の冷却孔３が設けられ耐熱Ａｌ合金よりなる内皮部２
を備えている。FIG. 1 shows an embodiment of the present invention. The outer shell structure of the underwater vehicle of the present embodiment shown in FIG. 1 is provided on the outermost periphery and forms an outer shell of the outer shell structure, and an outer skin portion 1 made of a corrosion-resistant Al alloy, and an inner side of the outer skin portion 1. An intermediate skin portion 4 made of FRM, and an inner skin portion 2 made of a heat-resistant Al alloy provided inside the intermediate skin portion 4 and provided with an axial cooling hole 3.
Is equipped with.
【００１３】上記において、中間皮部４に用いるＦＲＭ
は、軽量なＡｌまたはＡｌ合金に主としてセラミック系
の短繊維あるいは長繊維を配合した複合材料であり、軽
量（Ａｌ合金と同等）で、かつ現用のＡｌ合金よりも引
張強度、引張弾性率、圧縮強度及び圧縮弾性率などの機
械的性質が優れ、耐熱性にも優れた軽量高強度耐熱複合
材料である。In the above, the FRM used for the intermediate skin portion 4
Is a composite material in which a ceramic-based short fiber or long fiber is mainly mixed with lightweight Al or Al alloy, which is lighter (similar to Al alloy) and has tensile strength, tensile elastic modulus, and compressive strength higher than those of current Al alloys. It is a lightweight, high-strength heat-resistant composite material that has excellent mechanical properties such as strength and compressive elastic modulus, and excellent heat resistance.
【００１４】上記ＦＲＭの種類としては、Ａｌ合金をマ
トリックスとしセラミックウィスカあるいは短繊維を強
化材として用いた短繊維ＦＲＭと、長繊維を強化材とし
た長繊維ＦＲＭがある。The types of the above FRMs include short fiber FRMs using Al alloy as a matrix and ceramic whiskers or short fibers as a reinforcing material, and long fiber FRMs using long fibers as a reinforcing material.
【００１５】上記ＦＲＭに用いられる短繊維はＳｉｃ、
Ａｌ2 Ｏ3 、Ｓｉ3 Ｎ4 などのセラミック系のものがあ
り、直径０．１〜１０μｍ、長さ３０〜１００μｍ程度
である。また、長繊維はＳｉｃ、Ａｌ2 Ｏ3 、Ｃなどが
用いられ、直径５〜２００μｍの連続繊維である。The short fibers used in the FRM are Sic,
There are ceramic type materials such as Al 2 O 3 and Si 3 N 4 , which have a diameter of 0.1 to 10 μm and a length of about 30 to 100 μm. The long fibers are Sic, Al 2 O 3 , C, etc., and are continuous fibers having a diameter of 5 to 200 μm.
【００１６】上記ＦＲＭは、その製造方法により若干は
異なるが、一般的にはＡｌ合金に対して弾性率が約５０
％、引張強度が２０〜３０％程度向上する。The FRM described above generally has an elastic modulus of about 50 with respect to that of an Al alloy, although it varies slightly depending on the manufacturing method.
%, And the tensile strength is improved by about 20 to 30%.
【００１７】また、通常Ａｌ合金は２００℃を超える温
度領域では急激に強度、弾性率が低下するが、ＦＲＭは
２００℃で母材の室温強度と同等の性能を示し高温域で
の強度低下が少ない。In general, Al alloys have a sharp decrease in strength and elastic modulus in a temperature range exceeding 200 ° C., but FRM shows a performance equivalent to the room temperature strength of the base material at 200 ° C. and a decrease in strength in a high temperature range. Few.
【００１８】上記のように、ＦＲＭは優れた強度特性を
有する材料であるため、本実施例においては、これを水
中航走体の外殻構造体の主たる強度部材として用いるこ
とによって、外殻構造体の強度向上を図っている。As described above, since FRM is a material having excellent strength characteristics, in this embodiment, by using this as the main strength member of the outer shell structure of the underwater vehicle, the outer shell structure is improved. I am trying to improve the strength of my body.
【００１９】上記水中航走体は、動力系、姿勢制御系な
ど種々の機器を保持していることから、外殻の内部は部
分によっては１５０℃以上の高温になる可能性がある。
そのため、外殻を冷却する必要があり、従来の外殻構造
体においては、外殻の肉厚中央部に機械加工による連続
孔を設け、これを冷却孔とし、水あるいは海水を通して
外殻の冷却を行っていた。Since the underwater vehicle holds various devices such as a power system and an attitude control system, the inside of the outer shell may reach a high temperature of 150 ° C. or higher depending on the part.
Therefore, it is necessary to cool the outer shell.In the conventional outer shell structure, a continuous hole formed by machining is provided in the center part of the thickness of the outer shell, and this is used as a cooling hole to cool the outer shell through water or seawater. Was going on.
【００２０】この冷却孔は、通常直径４ｍｍ〜６ｍｍ程
度の細い穴であるため、通常のＡｌ合金の場合でも穿孔
にかなりの技術を要するものであり、Ａｌ合金にセラミ
ックの繊維が２０〜３０ＶＯＬ％添加されたＦＲＭにこ
の機械加工を施すことは非常に困難である。Since this cooling hole is usually a thin hole having a diameter of about 4 mm to 6 mm, even an ordinary Al alloy requires a considerable amount of technology for drilling, and 20 to 30 VOL% of ceramic fibers are contained in the Al alloy. This machining of the added FRM is very difficult.
【００２１】本実施例においては、ＦＲＭよりなる中間
皮部４の内側に耐熱Ａｌ合金よりなる内皮部２を配設
し、これに冷却孔３を設けて冷却し、外殻の温度上昇を
防ぐものとしている。なお、精密な穴加工を要する部分
は通常のＡｌ合金とするが、高温強度を考慮して他の部
分は全て耐熱Ａｌ合金としている。In this embodiment, the inner skin 2 made of heat-resistant Al alloy is arranged inside the intermediate skin 4 made of FRM, and cooling holes 3 are provided in the inner skin to cool the outer skin to prevent the temperature rise of the outer shell. I am supposed to. It should be noted that the portions that require precise drilling are made of normal Al alloy, but other portions are made of heat-resistant Al alloy in consideration of high temperature strength.
【００２２】上記外殻構造体の最外周は、常に水や海水
と接触しており、耐食性が要求される部分である。そこ
で本実施例では、中間皮部４の外側に耐食性Ａｌ合金よ
りなる外皮部１を設けて、外殻構造体の海水等による腐
食を防止している。The outermost periphery of the outer shell structure is always in contact with water or seawater, and is a portion where corrosion resistance is required. Therefore, in this embodiment, the outer skin 1 made of a corrosion-resistant Al alloy is provided outside the intermediate skin 4 to prevent the outer shell structure from being corroded by seawater or the like.
【００２３】上記により、水中航走体の内部に設けられ
た種々の機器が発生する熱を内皮部で吸収し、海水等に
よる腐食を外皮部で防止することができ、中間皮部にＦ
ＲＭを用いるため、水中航走体全体の軽量化、高性能化
及び大型化を図り得る外殻構造体を実現した。As described above, the heat generated by various devices provided inside the underwater vehicle can be absorbed by the inner skin portion, and the outer skin portion can be prevented from being corroded by seawater or the like.
Since the RM is used, an outer shell structure that can reduce the weight, improve performance, and increase the size of the entire underwater vehicle has been realized.
【００２４】なお、本実施例については、その性能確認
のため、図１に示す形状（円弧型）の幅３００ｍｍ×長
さ２００ｍｍ×厚さ３０ｍｍの積層サンプルを試作し
て、性能調査を行った。In order to confirm the performance of this example, a laminated sample having a shape (arc shape) shown in FIG. 1 and having a width of 300 mm, a length of 200 mm and a thickness of 30 mm was prototyped and the performance was investigated. .
【００２５】外皮部１の材質はＪＩＳＡ６０６１合金
（厚さ３ｍｍ）、内皮部２の材質はＪＩＳＡ２６１８合
金（厚さ１５ｍｍ）、中間皮部４はＡ２６１８合金に２
０ＶＯＬ％のＳｉｃウィスカを添加した複合材（厚さ１
２ｍｍ）である。また冷却孔の直径は４ｍｍとした。The outer skin 1 is made of JISA6061 alloy (thickness 3 mm), the inner skin 2 is made of JISA2618 alloy (thickness 15 mm), and the intermediate skin 4 is made of A2618 alloy.
Composite with 0 VOL% Sic whiskers added (thickness 1
2 mm). The diameter of the cooling holes was 4 mm.
【００２６】最終加工完了後、性能調査を行ったが、各
材料間での未接着状態あるいは層間はく離などの欠陥は
認められず、その材質は良好であった。After the completion of the final processing, a performance investigation was conducted, but no defects such as an unbonded state between the materials or delamination between layers were observed, and the materials were good.
【００２７】[0027]
【発明の効果】本発明の水中航走体の外殻構造体は、Ｆ
ＲＭよりなる中間皮部と、同中間皮部の外側に設けら
れ、耐食性Ａｌ合金よりなる外皮部と、上記中間皮部の
内側に設けられ耐熱Ａｌ合金よりなる内皮部を備えたこ
とによって、水中航走体の内部に設けられた種々の機器
が発生する熱を内皮部で吸収し、海水等による腐食を外
皮部により防止することができ、中間皮部に強度の高い
ＦＲＭを用いるため、水中航走体全体の軽量化、高性能
化及び大型化が可能となる。The outer shell structure of the underwater vehicle of the present invention is F
By providing an intermediate skin part made of RM, an outer skin part made of a corrosion-resistant Al alloy provided outside the intermediate skin part, and an inner skin part made of a heat resistant Al alloy provided inside the intermediate skin part, The inner skin absorbs heat generated by various devices provided inside the mid-water vehicle, and the outer skin can prevent corrosion due to seawater etc. The weight, performance, and size of the mid-water vehicle can be reduced.
【図１】本発明の一実施例に係る水中航走体の外殻構造
体の説明図である。FIG. 1 is an explanatory diagram of an outer shell structure of an underwater vehicle according to an embodiment of the present invention.
１ 外皮部 ２ 内皮部 ３ 冷却孔 ４ 中間皮部 1 outer skin part 2 inner skin part 3 cooling hole 4 intermediate skin part
Claims (1)
され耐食性アルミニウム合金よりなる外皮部、同外皮部
の内側に配設され繊維強化アルミニウム基複合材よりな
る中間皮部、および同中間皮部の内側に配設され冷却孔
が設けられ耐熱アルミニウム合金よりなる内皮部を備え
たことを特徴とする水中航走体の外殻構造体。1. An outer skin part made of a corrosion-resistant aluminum alloy, which is arranged on the outermost periphery of an outer shell structure of an underwater vehicle, an intermediate skin part made of a fiber-reinforced aluminum-based composite material, which is arranged inside the outer skin part. And an outer shell structure of an underwater vehicle, which is provided inside the intermediate skin part and is provided with a cooling hole and is provided with an inner skin part made of a heat-resistant aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16104992A JPH063100A (en) | 1992-06-19 | 1992-06-19 | Outer shell structure of underwater running body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16104992A JPH063100A (en) | 1992-06-19 | 1992-06-19 | Outer shell structure of underwater running body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH063100A true JPH063100A (en) | 1994-01-11 |
Family
ID=15727638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16104992A Withdrawn JPH063100A (en) | 1992-06-19 | 1992-06-19 | Outer shell structure of underwater running body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH063100A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482014A (en) * | 2013-09-13 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Composite pressure-resistant casing and molding method thereof |
| ITUB20152347A1 (en) * | 2015-07-21 | 2017-01-21 | Whitehead Sistemi Subacquei S P A | METHOD OF CONSTRUCTION OF A TUBULAR BOX OF AN UNDERWATER HALF, IN PARTICULAR A CATFISH |
| WO2021169680A1 (en) * | 2020-02-28 | 2021-09-02 | 江苏科技大学 | Large-depth underwater vehicle, pressure-resistant shell for large-depth underwater vehicle and assembling method of pressure-resistant shell |
| CN113525523A (en) * | 2021-07-22 | 2021-10-22 | 哈尔滨工程大学 | Whale fat fluid anti-drag noise-reduction skin based on flexible joint vibration-reduction unit lattice structure |
-
1992
- 1992-06-19 JP JP16104992A patent/JPH063100A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482014A (en) * | 2013-09-13 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Composite pressure-resistant casing and molding method thereof |
| ITUB20152347A1 (en) * | 2015-07-21 | 2017-01-21 | Whitehead Sistemi Subacquei S P A | METHOD OF CONSTRUCTION OF A TUBULAR BOX OF AN UNDERWATER HALF, IN PARTICULAR A CATFISH |
| EP3121108A1 (en) * | 2015-07-21 | 2017-01-25 | Leonardo S.p.A. | A method of making a tubular casing for an underwater device, in particular a torpedo |
| US9938630B2 (en) | 2015-07-21 | 2018-04-10 | Leonardo S.P.A. | Method of making a tubular casing for an underwater device, in particular a torpedo |
| WO2021169680A1 (en) * | 2020-02-28 | 2021-09-02 | 江苏科技大学 | Large-depth underwater vehicle, pressure-resistant shell for large-depth underwater vehicle and assembling method of pressure-resistant shell |
| CN113525523A (en) * | 2021-07-22 | 2021-10-22 | 哈尔滨工程大学 | Whale fat fluid anti-drag noise-reduction skin based on flexible joint vibration-reduction unit lattice structure |
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| Date | Code | Title | Description |
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| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990831 |