JPH0652000B2 - Pipe-shaped structural member - Google Patents
Pipe-shaped structural memberInfo
- Publication number
- JPH0652000B2 JPH0652000B2 JP62289885A JP28988587A JPH0652000B2 JP H0652000 B2 JPH0652000 B2 JP H0652000B2 JP 62289885 A JP62289885 A JP 62289885A JP 28988587 A JP28988587 A JP 28988587A JP H0652000 B2 JPH0652000 B2 JP H0652000B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- structural member
- shaped structural
- pipes
- carbon fiber
- 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.)
- Expired - Lifetime
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は例えば宇宙用構造物用のパイプ状構造部材に
関するものである。The present invention relates to a pipe-shaped structural member for a space structure, for example.
第２図は宇宙用構造物の基本要素を示す斜視図、第３図
は第２図のＡ部分拡大図、第４図は従来のパイプ結合部
品を有するパイプ状構造部材を示す斜視図である。図に
おいて、構造物(1)は主材(2)、斜材(3)から成る。斜材
(3)はパイプ状構造部材(4)と、中央部にパイプ結合部品
(5)を有するパイプ状構造部材(6)とが交差している。パ
イプ結合部品(5)を有するパイプ状構造部材(6)と他のパ
イプ状構造部材(4)とは同一面内でトラスを構成してい
る。2 is a perspective view showing basic elements of a space structure, FIG. 3 is an enlarged view of a portion A of FIG. 2, and FIG. 4 is a perspective view showing a pipe-shaped structural member having a conventional pipe coupling component. . In the figure, the structure (1) is composed of a main material (2) and a diagonal material (3). Diagonal material
(3) is a pipe-shaped structural member (4) and a pipe connecting part in the center
The pipe-shaped structural member (6) having (5) intersects. The pipe-shaped structural member (6) having the pipe coupling component (5) and the other pipe-shaped structural member (4) form a truss in the same plane.
パイプ状構造部材(6)は、パイプ(7a),(7b)、両端の継手
(8a),(8b)および２本のパイプ(7a),(7b)を結合するパイ
プ結合部品(5)から成り、このパイプ結合部品(5)には、
パイプ状構造部材(4),(6)を中央部で交差させるよう
に、部品内部を他のパイプ状構造部材(4)が貫通できる
ように穴(9)が開けられている。The pipe-shaped structural member (6) consists of pipes (7a), (7b) and joints at both ends.
(8a), (8b) and a pipe connecting part (5) for connecting two pipes (7a), (7b), and this pipe connecting part (5),
A hole (9) is formed so that another pipe-shaped structural member (4) can penetrate through the inside of the component so that the pipe-shaped structural members (4) and (6) intersect at the central portion.
従来、宇宙用構造体などにおいては、軽量化の観点か
ら、パイプ(7a),(7b)は炭素繊維強化プラスチックなど
でできており、パイプ結合部品(5)はアルミニウム合金
でできていた。炭素繊維強化プラスチック製パイプ(7
a),(7b)は、パイプ結合部品(5)および継手(8a),(8b)に
接着されている。Conventionally, in a space structure or the like, the pipes (7a) and (7b) are made of carbon fiber reinforced plastic or the like, and the pipe coupling component (5) is made of an aluminum alloy from the viewpoint of weight reduction. Carbon fiber reinforced plastic pipe (7
The a) and (7b) are adhered to the pipe coupling part (5) and the joints (8a) and (8b).
一般にアルミニウム合金は、炭素繊維強化プラスチック
に比較して剛性が低く、線熱膨張係数が大きいため、パ
イプ結合部品(5)を用いたパイプ状構造部材(6)では、パ
イプ結合部品(5)を用いないパイプ状構造部材(4)に比べ
て剛性および熱的寸法安定性が低下する等の問題点があ
った。In general, aluminum alloys have lower rigidity and a larger linear thermal expansion coefficient than carbon fiber reinforced plastics, so in pipe-shaped structural members (6) using pipe coupling parts (5), pipe coupling parts (5) There were problems such as lower rigidity and thermal dimensional stability than the pipe-shaped structural member (4) not used.
この発明は上記のような問題点を解消するためになされ
たもので、剛性が高く、熱的寸法安定性の優れたパイプ
状構造部材を得ることを目的とする。The present invention has been made to solve the above problems, and an object thereof is to obtain a pipe-shaped structural member having high rigidity and excellent thermal dimensional stability.
この発明に係るパイプ状構造部材は、炭素繊維強化プラ
スチックから成る２本のパイプと、炭素繊維強化プラス
チックから成る他のパイプ状構造部材が貫通する穴を有
し、かつ前記２本のパイプを結合するパイプ結合部品と
から成るパイプ状構造部材において、パイプ結合部品が
炭化珪素からなる補強材を、アルミニウム合金からなる
金属で接合した繊維強化金属複合材から成るものであ
る。A pipe-shaped structural member according to the present invention has a hole through which two pipes made of carbon fiber reinforced plastic and another pipe-shaped structural member made of carbon fiber reinforced plastic pass, and the two pipes are joined together. In the pipe-shaped structural member including the pipe coupling component, the pipe coupling component is made of a fiber-reinforced metal composite material in which a reinforcing material made of silicon carbide is joined with a metal made of an aluminum alloy.
すなわちこの発明は、従来アルミニウム合金で構成され
ていたパイプ結合部品を繊維強化金属複合材で構成した
ものである。That is, the present invention comprises a fiber-reinforced metal composite material for a pipe connecting component which has conventionally been made of an aluminum alloy.
本発明のパイプ状構造部材においては、２本のパイプを
パイプ結合部品の両端に接続して結合し、パイプ結合部
品の穴に他のパイプ状構造部材を貫通させて、２個のパ
イプ状構造部材を交差させて構造物を形成する。In the pipe-shaped structural member of the present invention, two pipes are connected to both ends of the pipe coupling component and coupled, and another pipe-shaped structural member is passed through the hole of the pipe coupling component to form two pipe-shaped structural components. The members are crossed to form a structure.
第１図は本発明の一実施例のパイプ状構造部材の一部を
拡大して示す斜視図であり、図において、第２図ないし
第４図と同一符号は同一または相当部分を示す。パイプ
結合部品(5)は長繊維、短繊維、針状体等の補強材(10)
を金属(11)で接合した繊維強化金属複合材により構成さ
れている。本発明において、「繊維」は、長繊維、短繊
維および針状体を含む。本実施例の繊維強化金属複合材
製のパイプ結合部品(5)は、補強材(10)として針状炭化
珪素を、金属(11)としてアルミニウム合金A 7075を用い
た繊維強化金属複合材で構成されており、本材料は公知
の高圧凝固鋳造法により製造される。他の構成は第２図
ないし第４図と同様である。FIG. 1 is an enlarged perspective view showing a part of a pipe-shaped structural member according to an embodiment of the present invention, in which the same reference numerals as those in FIGS. 2 to 4 denote the same or corresponding portions. Pipe connecting parts (5) are reinforcing materials (10) such as long fibers, short fibers and needles.
It is composed of a fiber-reinforced metal composite material in which the above is joined with a metal (11). In the present invention, “fiber” includes long fibers, short fibers and needles. The pipe coupling component (5) made of the fiber-reinforced metal composite material of the present example is composed of a needle-shaped silicon carbide as the reinforcement material (10) and a fiber-reinforced metal composite material using the aluminum alloy A 7075 as the metal (11). The material is manufactured by a known high pressure solidification casting method. Other configurations are the same as those in FIGS. 2 to 4.
体積含有率で20％の針状炭化珪素を含むアルミニウム合
金A 7075で構成された繊維強化金属複合材製のパイプ結
合部品(5)は引張弾性係数約10,800kgf/mm2で、アルミニ
ウム合金A 7075の約1.5倍、線熱膨張係数は約15×10-6
／℃で、アルミニウム合金A 7075の約0.7倍であった。A pipe joint part (5) made of a fiber-reinforced metal composite material composed of an aluminum alloy A 7075 containing 20% by volume of acicular silicon carbide has a tensile elastic modulus of about 10,800 kgf / mm 2 and an aluminum alloy A 7075. About 1.5 times, the coefficient of linear thermal expansion is about 15 × 10 -6
/ ° C, it was about 0.7 times that of aluminum alloy A 7075.
したがって、パイプ結合部品(5)を用いたパイプ状構造
部材(6)の剛性および熱的寸法安定性はパイプ結合部品
(5)を用いないパイプ状構造部材(4)に比べて低下するの
を抑制することができる。Therefore, the rigidity and the thermal dimensional stability of the pipe-shaped structural member (6) using the pipe connecting part (5) are
As compared with the pipe-shaped structural member (4) that does not use (5), it is possible to suppress the deterioration.
なお、上記実施例ではパイプ結合部品(5)を構成する繊
維強化金属複合材は、高圧凝固鋳造法によって製造され
ているが、鋳造後、熱間押出し等の処理を行い、剛性、
熱的寸法安定性、強度をさらに向上させることもでき
る。In the above example, the fiber-reinforced metal composite material constituting the pipe joint component (5) is manufactured by a high pressure solidification casting method, but after casting, a treatment such as hot extrusion is performed to obtain rigidity,
The thermal dimensional stability and strength can be further improved.
以上のように、この発明によれば、特定のパイプ状構造
部材に特定の繊維強化金属複合材製のパイプ結合部品を
用いたので、交差する他のパイプ状構造部材に比べて剛
性および熱的寸法安定性が低下するのを抑制する効果が
ある。As described above, according to the present invention, since the specific fiber-reinforced metal composite material-made pipe coupling component is used for the specific pipe-shaped structural member, the rigidity and the thermal performance are higher than those of other intersecting pipe-shaped structural members. It has an effect of suppressing a decrease in dimensional stability.
第１図は本発明の一実施例によるパイプ状構造部材の一
部を拡大して示す斜視図、第２図は宇宙用構造物の基本
要素を示す斜視図、第３図は第２図のＡ部分拡大図、第
４図は従来のパイプ状構造部材を示す斜視図である。 各図中、同一符号は同一または相当部分を示し、(4),
(6)はパイプ状構造部材、(5)はパイプ結合部品、(7a),
(7b)はパイプ、(10)は補強材、(11)は金属である。FIG. 1 is an enlarged perspective view showing a part of a pipe-shaped structural member according to an embodiment of the present invention, FIG. 2 is a perspective view showing basic elements of a space structure, and FIG. FIG. 4 is an enlarged view of part A, and FIG. 4 is a perspective view showing a conventional pipe-shaped structural member. In each figure, the same reference numerals indicate the same or corresponding parts, (4),
(6) is a pipe-shaped structural member, (5) is a pipe connecting part, (7a),
(7b) is a pipe, (10) is a reinforcing material, and (11) is metal.
Claims (2)
パイプと、 炭素繊維強化プラスチックから成る他のパイプ状構造部
材が貫通する穴を有し、かつ前記２本のパイプを結合す
るパイプ結合部品とから成るパイプ状構造部材におい
て、 パイプ結合部品が炭化珪素から成る補強材を、 アルミニウム合金から成る金属で接合した繊維強化金属
複合材から成ることを特徴とするパイプ状構造部材。1. A pipe connecting component having two pipes made of carbon fiber reinforced plastic and a hole through which another pipe-shaped structural member made of carbon fiber reinforced plastic penetrates, and connecting the two pipes. A pipe-shaped structural member comprising a fiber-reinforced metal composite material in which a pipe-bonded component is bonded to a reinforcing material made of silicon carbide with a metal made of an aluminum alloy.
ら選ばれる１種以上のものであることを特徴とする特許
請求の範囲第１項記載のパイプ状構造部材。2. The pipe-shaped structural member according to claim 1, wherein the reinforcing material is one or more selected from long fibers, short fibers, and needle-shaped bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62289885A JPH0652000B2 (en) | 1987-11-17 | 1987-11-17 | Pipe-shaped structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62289885A JPH0652000B2 (en) | 1987-11-17 | 1987-11-17 | Pipe-shaped structural member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01131748A JPH01131748A (en) | 1989-05-24 |
| JPH0652000B2 true JPH0652000B2 (en) | 1994-07-06 |
Family
ID=17749031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62289885A Expired - Lifetime JPH0652000B2 (en) | 1987-11-17 | 1987-11-17 | Pipe-shaped structural member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0652000B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4730640B2 (en) * | 1999-06-23 | 2011-07-20 | エクセレント システムズ エー／エス | Corner support elements for paving slabs |
| JP6815573B1 (en) | 2020-04-24 | 2021-01-20 | 三菱電機株式会社 | Solar cell paddle and joining method |
-
1987
- 1987-11-17 JP JP62289885A patent/JPH0652000B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01131748A (en) | 1989-05-24 |
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