JPS592997A - Forming method of vane body fitted to rudder supporting post - Google Patents

Abstract

PURPOSE:To facilitate the manufacture of a vane body and enable to enhance shape accuracy and fitting accuracy thereof, by a method wherein a vane fitted to a rudder is constituted of a cast base part including a rudder post, a cast peripheral part and vane face plates covering the peripheral part. CONSTITUTION:The vane body 16 fitted to the rudder post 18 in the transverse direction W of the ship is constituted of the base part 16a integral with a lower piece 15, the peripheral part 16b and the vane face plates, wherein the base part 16a and the peripheral part 16b are produced by casting and are welded to each other. The vane face plates 17 are produced from a plate material, and are welded together with beam members 19 and backing plates 20. Accordingly, the shape accuracy and fitting accuracy of the vane body are enhanced, and manufacture thereof is facilitated.

Description

【発明の詳細な説明】 法に係り、特に製作が極めて容易であシながら、翼型の
形状精度及び舵の支軸に対する取付精度を十分に確保で
きると共に強度大に形成でき、翼体にその機能を十分に
発揮させることができる舵の支軸に装備される翼体の形
成方法に関する。[Detailed Description of the Invention] In particular, it is extremely easy to manufacture, it can ensure sufficient accuracy in the shape of the airfoil and its attachment to the rudder spindle, it can be formed with great strength, and it can be attached to the wing body. The present invention relates to a method of forming a wing body installed on a rudder spindle that can fully demonstrate its functions.

一般に、船尾には、第１図に示すごとく、主に船体を旋
回させる目的で舵１が備えられている。Generally, a rudder 1 is provided at the stern of the ship, as shown in FIG. 1, primarily for the purpose of turning the ship.

この舵１を構成し、揚力を発生する舵板２は、船尾３か
ら垂下された舵支材４により転回自在に支持されている
。A rudder plate 2 that constitutes the rudder 1 and generates lift is rotatably supported by a rudder support member 4 hanging from the stern 3.

近年、この舵支材４等の舵板２の支軸（図にあっては、
舵支材４の下部ピース部５）には、推進性能を向上させ
るべく、水平に翼体６が付加されている。In recent years, the support shaft of the rudder plate 2 such as this rudder support member 4 (in the figure,
A wing body 6 is added horizontally to the lower piece portion 5) of the rudder support 4 in order to improve propulsion performance.

従来、このような翼体の形成方法としては、第２図に示
すごとく、舵板２と同様に、平板状の鋼板材７に圧延加
工や熱間加工を施して後縁部８ａが開放された翼型８を
形成しつつ翼型８の内側に骨材９・・・を掛は渡して溶
接接合し、その後後縁部８ａに丸棒１０を溶接接合して
形成していた。Conventionally, as shown in FIG. 2, as shown in FIG. 2, similar to the rudder plate 2, a flat steel plate 7 is subjected to rolling or hot working to open the trailing edge 8a. While forming the airfoil 8, aggregates 9... were passed over and welded to the inside of the airfoil 8, and then a round bar 10 was welded to the trailing edge 8a.

ところで、このような形成方法は、舵板２のように翼厚
Ｔの厚いものに対しては鋼板材７を容易に成型できるの
で問題なく採用できるが、舵１の支軸に装備されるよう
な小型で翼厚の一薄い翼体６には適切な成型加工を施す
ことができず、形状精度を確保するのが困難であった。By the way, such a forming method can be adopted without any problem because the steel plate material 7 can be easily formed for a blade with a thick thickness T, such as the rudder plate 2. Appropriate molding processing cannot be performed on the blade body 6, which is small in size and has a thin blade thickness, and it is difficult to ensure shape accuracy.

まだ、製作された翼体６を支軸（第１図においては、舵
支材４の下部ピース部５で例示する。）に取り付けるに
際しても、溶接歪等の因子が作用し、支軸と翼体６との
取付精度を確保するのが難しかった。そして、このよう
な製作・取付上の誤差により、翼体６は、その機能を十
分に発揮することができなかった。Even when attaching the fabricated wing body 6 to the support shaft (in Fig. 1, this is illustrated as the lower piece part 5 of the rudder support member 4), factors such as welding distortion still work, and the support shaft and blade It was difficult to ensure the accuracy of attachment to the body 6. Due to such manufacturing and installation errors, the wing body 6 could not fully demonstrate its functions.

本発明は上述したごとき問題点に鑑みて創案されたもの
であり、その目的は、製作が極めて容易でありながら、
翼型の形状精度及び舵の支軸に対する取付精度を十分に
確保できると共に強度大に形成でき、翼体にその機能を
十分に発揮させることができる舵の支軸に装備される翼
体の形成方法を提供するにある。The present invention was devised in view of the above-mentioned problems, and its purpose is to achieve extremely easy production,
Formation of a wing body installed on the rudder spindle that can ensure sufficient shape accuracy of the airfoil and attachment accuracy to the rudder spindle, and can be formed with great strength, allowing the wing body to fully demonstrate its functions. We are here to provide you with a method.

以下に、本発明の好適一実施例を、添付図面に従って詳
述する。A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

第３図及び第４図に示すごとく、１５は、上述したごと
く船尾から垂下され舵板を転回自在に支持すべく軸体が
挿通される貫通孔１８が形成されだ舵の支軸だる舵支利
の下部ピース部であり、この下部ピース部１５には、そ
の両側から以下のような構成で成る翼体１６が船幅方向
Ｗに沿って水平に設けられる。As shown in FIGS. 3 and 4, reference numeral 15 is a rudder with a through hole 18 formed therein, which is suspended from the stern and into which the shaft is inserted to rotatably support the rudder plate, as described above. This lower piece part 15 is a supporting lower piece part, and wing bodies 16 having the following configuration are provided horizontally along the ship width direction W from both sides thereof.

この翼体１６は、主に、下部ピース部１５から所定の厚
さ、所定の幅で船幅方向Ｗへ所定長さ延出される基端部
１６ａと、この基端部１６ａを一辺とし、環状枠体を形
成すべく船幅方向Ｗ外方へ張り出された周縁部１６ｂと
、これら周縁部１６ｂ及び基端部１６ａとで形成された
枠体をその厚さ方向から挾んで覆い、翼面を形成する翼
面板１７・・とから構成される。The wing body 16 mainly includes a base end portion 16a that extends from the lower piece portion 15 to a predetermined thickness and a predetermined width for a predetermined length in the ship width direction W, and has an annular shape with the base end portion 16a as one side. A peripheral edge part 16b extending outward in the ship width direction W to form a frame body, and a frame body formed by these peripheral edge parts 16b and base end part 16a are sandwiched and covered from the thickness direction, and the wing surface is It is composed of a wing surface plate 17 that forms a wing surface plate 17...

特に、周縁部１６ｂは、別個に形成されるプロペラ側に
位置する前縁部１６ｃと、その反対側の舵板側に位置す
る後縁部１６ａと、上記基端部１６ａに相対向する反対
側でこれらを結ぶ先端部１６ｅとが、順次連結されて構
成される。まだ、第３図、第４図及び第５図に示すごと
く、翼体１６の先端部１６ｅと基端部１６ａとの間には
、上記翼面板１７・・・を支承し、翼構造全工体を補強
するための桁板１９・・・が、船幅方向Ｗへ所定の間隔
を隔てて掛は渡される。これら桁板１９・・・と翼面板
１７・・・（特に、翼上面を成す翼面板）との間には、
これらの溶接接合の便宜の為、裏板２０・・・が介設さ
れている。まだ、本実施ｆｌにあっては、上記翼面板１
７・・・には、スロット溶接用の孔部２１・・・が、裏
板２０に沿って連設されている。In particular, the peripheral edge portion 16b includes a separately formed front edge portion 16c located on the propeller side, a rear edge portion 16a located on the opposite side of the rudder plate, and an opposite side facing the base end portion 16a. and a distal end portion 16e connecting these are successively connected. As shown in FIG. 3, FIG. 4, and FIG. Girder plates 19 for reinforcing the body are placed at predetermined intervals in the ship width direction W. Between these spar plates 19... and the wing plates 17... (especially the wing plates forming the upper surface of the wing),
A back plate 20 is provided for the convenience of these welded connections. Still, in this implementation fl, the above wing plate 1
7..., slot welding holes 21... are continuously provided along the back plate 20.

なお、第４図及び第５図において、２２は、翼体１６を
形成するだめの作業台である。In addition, in FIGS. 4 and 5, reference numeral 22 indicates a workbench for forming the wing body 16.

以上の構成で成る翼体の形成方法について述べる。A method for forming the wing body having the above configuration will be described.

第３図、第４図及び第５図に示すごとく、先ず、翼体１
６の基端部１６ａと、舵支材の下部ピース部１５とを、
鋳造にて一体成型する。As shown in FIGS. 3, 4, and 5, first, the wing body 1
The base end portion 16a of 6 and the lower piece portion 15 of the rudder support member,
Molded in one piece by casting.

まだ、これと並行して、翼体１６の周、縁部１６ｂ１即
ち前縁部１６ｃ１後縁部１６ｄ１及び先端部１６ｅを、
別個に鋳造にて成型する。In parallel with this, the circumference of the wing body 16, the edge 16b1, that is, the leading edge 16c1, the trailing edge 16d1, and the tip 16e,
Molded separately by casting.

他方、予め若しくけこれに並行して、鋼板材に圧延加工
等を施して翼面板１７・・・を所定の形状に形成する。On the other hand, in advance or in parallel with this process, the steel plate material is subjected to a rolling process or the like to form the blade face plates 17 into a predetermined shape.

また、桁板１９・・・や裏板２０・・・等も板材から切
り出しておく。Further, the girder plates 19..., the back plate 20..., etc. are also cut out from the plate material.

次に、翼面板１７・・・のうち翼下・面を形成するもの
を作業台２２上に載せ、その上から上記下部ピース部１
５及び周縁部１６ｂを移送し、これらと翼面板１７・・
・とを溶接接合しつつ基端部１６ａと周縁部１６ｂとを
相互に順次溶接接合して枠体を形成する。これに際し、
桁板１９山を基端部１６ａと先端部１６ｅとの間に掛は
渡しつつ、これら及び翼面板１７・・・と相互に溶接接
合する。Next, the wing plate 17 that forms the lower wing surface is placed on the workbench 22, and the lower piece part 1 is placed on the workbench 22.
5 and the peripheral edge part 16b, and these and the wing plate 17...
・The base end portion 16a and the peripheral edge portion 16b are sequentially welded and bonded to each other to form a frame body. In this regard,
The ridges of the spar plate 19 are passed between the base end 16a and the tip 16e, and are welded to these and the wing surface plates 17...

そして、裏板２０・・・を桁板１９・・・上に溶接接合
し、最後に、翼面板１７・・・のうち翼上面を形成する
ものを枠体上に覆うように掛は渡しつつ裏板２０上に載
せ、これらとスロット溶接しつつ、枠体と溶接接合する
。Then, the back plate 20... is welded and joined onto the spar plate 19..., and finally, the wing plate 17... that forms the upper surface of the wing is covered over the frame body, and the hook is passed. It is placed on the back plate 20, slot welded to these parts, and welded to the frame body.

以上のような工程により翼体１６が形成されることにな
るが、本発明に係る形成方法にあっては、舵の支軸たる
下部ピース部１５と翼体１６の基端部１６ａとを鋳造に
て一体的に形成し、また翼体１６の周縁部１６ｂをも鋳
造にて成型するので、その取付精度や形状精度を著しく
向上させることができ、翼体１６の機能を十分に発揮さ
せることができ、またその強度も大きく形成できる。The wing body 16 is formed through the steps described above, and in the forming method according to the present invention, the lower piece portion 15, which is the pivot of the rudder, and the base end portion 16a of the wing body 16 are cast. Since the peripheral edge part 16b of the blade body 16 is also molded by casting, its mounting accuracy and shape accuracy can be significantly improved, and the functions of the blade body 16 can be fully demonstrated. can be formed, and its strength can also be increased.

また、翼体１６の枠組を精度良好な鋳造で成型するので
製作が極めて容易になり、工程の省力化を達成できる。Furthermore, since the framework of the blade body 16 is molded by casting with good precision, manufacturing is extremely easy, and labor saving in the process can be achieved.

更に、鋳造による成型部分を、形状精度の要求される必
要最小限に抑えたので、全体を鋳造で成型するのに比べ
重量の軽減を達成できる。Furthermore, since the parts formed by casting are kept to the necessary minimum required for shape accuracy, weight reduction can be achieved compared to molding the entire body by casting.

なお、上記実施例にあっては、翼上面を成す翼面板１７
と裏板２０・・・とをスロット溶接するとしだが、翼面
板を裏板２０・・・に沿って適宜分割して形成し、これ
ら分割片と裏板２０・・・とを連続溶接しても良いこと
は勿論である。In addition, in the above embodiment, the wing surface plate 17 forming the upper surface of the wing
Although it is possible to slot-weld the and back plate 20..., the wing surface plate is formed by appropriately dividing it along the back plate 20..., and these divided pieces and the back plate 20... are continuously welded. Of course, this is also a good thing.

またなお１、上記実施例にあっては、翼下面を成す翼面
板１７・・・と翼体１６の基端部１６・ａ及び周縁部１
６ｂとを溶接接合する時に桁板１９・・・を溶接接合す
るとしたが、桁板１９・・・を予め翼面板１７・・・に
溶接接合しておいても良いことは勿論である。Furthermore, in the above embodiment, the wing surface plate 17 forming the lower surface of the wing, the base end portion 16a of the wing body 16, and the peripheral edge portion 1
6b, the spar plates 19 are welded together, but it goes without saying that the spar plates 19 may be welded to the wing surface plates 17 in advance.

第６図及び第７図には、上記実施例で例示しだ舵と異な
る舵についての実施例が示されている。6 and 7 show an embodiment of a rudder different from the rudder exemplified in the above embodiment.

このような場合、翼体２３の基端部２３ａは、舵の支軸
たる舵板２４のピボット軸Ｐを成す〜前端部２４ａに一
体的に鋳造にて形成しても良い。他の構成は、上記実施
例と同様である。In such a case, the base end 23a of the wing body 23 may be formed by casting integrally with the front end 24a, which forms the pivot axis P of the rudder plate 24, which is the support axis of the rudder. The other configurations are the same as those of the above embodiment.

このような変形例にあっても、上記実施例と同様な効果
を奏することは勿論である。Of course, even in such a modified example, the same effects as in the above embodiment can be achieved.

なお、本発明は上記実施例及び変形実施例に限定される
ものではなく、これらの他にも要旨を変更しない範囲で
種々に変形して実施し得ることは勿論である。It should be noted that the present invention is not limited to the above-described embodiments and modified embodiments, and it goes without saying that the present invention can be implemented with various modifications in addition to these embodiments without changing the gist.

以上要するに、本発明によれば以下のごとき優れた効果
を発揮する。In summary, the present invention exhibits the following excellent effects.

（１）　　舵の支軸と翼体の基端部とを鋳造にて一体的
に形成するので、その取付精度を著しく向上させること
ができる。(1) Since the support shaft of the rudder and the base end of the wing body are integrally formed by casting, the accuracy of their attachment can be significantly improved.

（２）　　翼体の周縁部を鋳造にて形成するので、その
形状精度を著しく向上させることができる。(2) Since the peripheral edge of the wing body is formed by casting, its shape accuracy can be significantly improved.

（３）従って、翼体の機能を十分に発揮させることがで
きまたその強度も大きく形成で、きる。(3) Therefore, the function of the wing body can be fully demonstrated, and its strength can also be increased.

（４）翼体の枠組を精度良好な鋳造で成型するので、製
作が極めて容易になり、工程の省力化を達成できる。(4) Since the framework of the wing body is molded by casting with good precision, manufacturing is extremely easy and labor saving in the process can be achieved.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は船尾を示す概略側面図、第２図は従来の翼体構
造を示す概略側断面図、第３図は本発明に係る舵の支軸
に装備される翼体の形成方法に基いて製作される翼体構
造を示す一部断面平面図、第４図は第３図におけるＩＶ
−ＩＶ線矢視断面図、第５図は第３図におけるｖ−Ｖ線
矢視断面図、第６図は他の船尾を示す概略側面図、第７
図は変形実施例を示す第６図における■−■線矢視断面
図である。 図中、１５は舵の支軸として例示した舵支材の下部ピー
ス部、１６は翼体、１６ａはその基端部、１６ｂはその
周縁部、１７は翼面板である。 特許　出願人　石川島播磨重工業株式会社代理人弁理士
　絹　谷　信　雄 ７　　　　　　　　　　θFIG. 1 is a schematic side view showing the stern, FIG. 2 is a schematic side sectional view showing a conventional wing structure, and FIG. FIG. 4 is a partial cross-sectional plan view showing the wing body structure manufactured by
5 is a sectional view taken along the line V-V in FIG. 3, FIG. 6 is a schematic side view showing another stern, and FIG.
The figure is a sectional view taken along the line ■--■ in FIG. 6 showing a modified embodiment. In the figure, 15 is a lower piece part of a rudder support material illustrated as a support shaft of the rudder, 16 is a wing body, 16a is its base end part, 16b is its peripheral part, and 17 is a wing plate. Patent Applicant Ishikawajima-Harima Heavy Industries Co., Ltd. Representative Patent Attorney Nobuo Kinuya 7 θ

Claims (1)

【特許請求の範囲】[Claims] 舵の支軸に装備される翼体を形成するに際して、上記翼
体の基端部と上記前の支軸とを鋳造により一体成型する
と共に、上記翼体の周縁部を鋳造によシ成型し、これら
翼体の基端部と周縁部とを溶接接合した後に、これら翼
体の基端部と周縁部とに上記翼体の翼面を形成する鋼製
の翼面板を溶接接合して形成するようにしたことを特徴
とする舵の支軸に装備される翼体の形成方法。When forming the wing body to be installed on the rudder spindle, the base end of the wing body and the front spindle are integrally molded by casting, and the peripheral edge of the wing body is molded by casting. , after welding and joining the base end portions and the peripheral edge portions of these blade bodies, welding and joining a steel wing surface plate that forms the wing surface of the wing body to the base end portion and the peripheral edge portion of these blade bodies. A method for forming a wing body installed on a rudder spindle, characterized in that: