JP2653032B2 - Underwater vibration and sound insulation stand - Google Patents
Underwater vibration and sound insulation standInfo
- Publication number
- JP2653032B2 JP2653032B2 JP17482987A JP17482987A JP2653032B2 JP 2653032 B2 JP2653032 B2 JP 2653032B2 JP 17482987 A JP17482987 A JP 17482987A JP 17482987 A JP17482987 A JP 17482987A JP 2653032 B2 JP2653032 B2 JP 2653032B2
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- base
- surface plate
- sound
- sound insulation
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、水中防振遮音台に係わり、更に詳しくは
高水圧中において防振遮音機能を有効に作動させるよう
にした水中防振遮音台に関するものである。Description: BACKGROUND OF THE INVENTION [0001] The present invention relates to an underwater vibration-proof and sound-insulating stand, and more particularly, to an underwater vibration-proof and sound-insulating stand that effectively activates a vibration-proof and sound-insulating function under high water pressure. It is about.
〔従来技術〕 一般に、船等に取付けて使用する水中音響機器類の受
波器は、船体の振動及び放射音の影響を避けるために、
遮音機能を有する防振機構に取付ける必要がある。[Prior art] Generally, the receiver of underwater acoustic equipment used by attaching to a ship etc. is to avoid the influence of vibration and radiated sound of the hull,
It is necessary to attach it to a vibration isolation mechanism that has a sound insulation function.
防振機構を構成する表面板は、スプリング等のバネに
より支えられているが、水中で使用する場合には、表面
板と船体との間の水の影響によってバネは機能しなくな
り、防振機構は成り立たなくなる。また、この水を通し
て音波が船体から表面板の表面に透過し、表面板上の受
波器に妨害を与えると言う問題がある。The surface plate constituting the anti-vibration mechanism is supported by a spring such as a spring. However, when used underwater, the spring does not function due to the effect of water between the surface plate and the hull, and the anti-vibration mechanism is used. Does not hold. Further, there is a problem that sound waves pass through the water from the hull to the surface of the face plate, and interfere with the receiver on the face plate.
ところで、従来一般的に使用されている防振機構とし
ては、例えば第２図に示すように水中で使用する架台ま
たは船体等の母台１に装着した相対向する一対の支持部
材２（支持金具）に、スプリング等のバネ３を介して表
面板５の両端を支持するように取り付けて構成されてお
り、その表面板５の表面に受波器４が設置されている。Conventionally, as a vibration isolating mechanism generally used, for example, as shown in FIG. 2, a pair of opposing support members 2 (support fittings) mounted on a base 1 such as a gantry or a hull used in water. ) Is mounted so as to support both ends of the surface plate 5 via a spring 3 such as a spring, and a wave receiver 4 is installed on the surface of the surface plate 5.
そして、母台１の振動は、支持部材２を通してバネ３
に伝達されるが、バネ３で支持されている表面板５は、
大気中での作動の場合には、この系の共振周波数以上の
周波数で、振動伝達率が所定の値となり、母台１の振動
は低減される。しかし、水中で作動させる場合には、表
面板５は、バネ３と、表面板５と母台１との間の水の二
つの弾性部材により支持された状態となるが、表面板５
と母台１との間の水は、硬いバネと考えることが出来る
ので、合成のバネは非常に硬いバネと等価となる。The vibration of the base 1 is transmitted to the spring 3 through the support member 2.
The surface plate 5 supported by the spring 3 is
In the case of operation in the atmosphere, at a frequency equal to or higher than the resonance frequency of the system, the vibration transmissibility becomes a predetermined value, and the vibration of the base 1 is reduced. However, when operated in water, the surface plate 5 is supported by the spring 3 and two elastic members of water between the surface plate 5 and the base 1, but the surface plate 5
The water between the base and the base 1 can be considered as a hard spring, so a synthetic spring is equivalent to a very hard spring.
従って、表面板５を支持する防振機構は上記のような
影響により作動しなくなる。Therefore, the anti-vibration mechanism that supports the front plate 5 does not operate due to the above-described influence.
この状態の時、表面板５を網状にすることで水の影響
を除去し、機構を正常に作動させることも可能ではある
が、母台１から放射された音波は、中間の水を通り直接
表面板５に達し、目的とする防振と遮音とを同時に成立
させることは困難である。In this state, it is possible to remove the influence of water by making the surface plate 5 mesh-like and to operate the mechanism normally. However, sound waves radiated from the base 1 directly pass through intermediate water. It is difficult to reach the surface plate 5 and simultaneously achieve the desired vibration isolation and sound insulation.
また、従来の防振機構の他のものとしては、第３図に
示すようにバネの機能を備えた偏平中空管６を、ゴム等
の粘弾性体７で包み、粘弾性体７の外側に表面板８を取
付けて母台９に装着して構成したものが知られている。As another example of the conventional vibration isolating mechanism, as shown in FIG. 3, a flat hollow tube 6 having a spring function is wrapped in a viscoelastic body 7 such as rubber, There is known a configuration in which a surface plate 8 is attached to a base 9 and attached to a base 9.
この従来の防振機構は、低水圧の場所で使用する場合
には特に問題は生じないが、高水圧下で使用する場合に
は、設計時に偏平中空管６を水圧に耐え得るように硬く
する必要があり、そのため、高水圧用の構造は大型，大
重量となり易いと言う問題があった。更に、設計値を越
える水圧下では、偏平中空管６は破壊すると言う不具合
もある。This conventional vibration damping mechanism does not cause any particular problem when used in a place with low water pressure, but when used under high water pressure, the flat hollow tube 6 is hardened so as to withstand water pressure at the time of design. Therefore, there is a problem that the structure for high water pressure tends to be large and heavy. Further, there is a disadvantage that the flat hollow tube 6 breaks under a water pressure exceeding the design value.
本発明の目的は、簡単な構成でもって高水圧中でも防
振と遮音との機能を有効に発揮させることができる水中
防振遮音台を提供することにある。An object of the present invention is to provide an underwater vibration-proof and sound-insulating stand that has a simple configuration and can effectively exhibit the functions of vibration control and sound insulation even under high water pressure.
上記目的を達成する本発明は、高水圧下に設けた母台
に支持部材を相対向するように立設し、該相対向する支
持部材の間にバネを介して表面板を取り付け、該表面板
に音響を受波する受波器を取り付けるようにした水中防
振遮音台において、前記表面板の前記母台に対面する側
の表面に空気圧が封入された可撓性の空気袋を取り付け
ると共に、該空気袋を前記母台に対して非接触状態にし
たことを特徴とするものである。In order to achieve the above-mentioned object, the present invention provides a support base standing under high water pressure so as to oppose each other, and attaches a surface plate via a spring between the opposing support members. In a submersible anti-vibration sound isolating table in which a receiver for receiving sound is attached to a face plate, a flexible air bag filled with air pressure is attached to a surface of the face plate facing the base. The air bag is in a non-contact state with respect to the base.
以下添付図面の第１図に基いて、この発明の実施例を
説明する。An embodiment of the present invention will be described below with reference to FIG.
なお、以下の説明で、上記従来例と同一構成要素は同
一符号を付して説明する。In the following description, the same components as those of the above-described conventional example are denoted by the same reference numerals and described.
１は、水中で使用する架台または船体等の母台、2a、
2bは母台１に相対向して装着した支持部材（支持金具）
であって、この支持部材2a,2bの先端側には、スプリン
グ等のバネ3a,3bを介して受波器４を設置した表面板５
の両端部が取付けられている。1 is a base or hull for underwater use, 2a,
2b is a support member (support bracket) mounted opposite to the base 1.
A front plate 5 on which the receiver 4 is installed via the springs 3a, 3b such as springs is provided on the tip side of the support members 2a, 2b.
Are attached at both ends.
表面板５の裏面側、すなわち母台１に対面する側の表
面には、所定の大きさの空気圧が封入された可撓性の空
気袋10が一体的に取り付けられている。この空気袋10は
バネ定数が低く柔らかなゴム状のシート材から構成され
ており、かつ母台１に対しては非接触状態を維持するよ
うに上記表面板５に一体的に装着されている。A flexible air bag 10 in which air pressure of a predetermined size is sealed is integrally attached to the back surface side of the front plate 5, that is, the surface facing the base 1. The air bag 10 is made of a soft rubber-like sheet material having a low spring constant and is integrally attached to the surface plate 5 so as to maintain a non-contact state with the base 1. .
以上のように、バネ3a,3b及び空気袋10等で防振機構
を構成することで、表面板５は、表面板５と母台１との
間の水によって振動が拘束されないので、母台１から支
持部材2a,2bを介してバネ3a,3b及び表面板５によって構
成される防振機構は正常に作動する。更に、母台１から
放射された音波は空気袋10のために表面板５には伝達さ
れない。As described above, since the vibration damping mechanism is constituted by the springs 3a and 3b and the air bag 10, the vibration of the surface plate 5 is not restrained by the water between the surface plate 5 and the base 1, so that the base The vibration isolating mechanism constituted by the springs 3a, 3b and the surface plate 5 from 1 via the support members 2a, 2b operates normally. Furthermore, sound waves emitted from the base 1 are not transmitted to the face plate 5 due to the air bladder 10.
また、この系の構成要素であるバネ3a,3b及び表面板
５は、耐水圧構造を必要とせず、特に高水圧下で使用す
る場合には、空気袋10は圧縮され体積が減少するが、僅
かの空気残量があれば系の作動には支障はなく、予め使
用予定水圧に必要な空気量を設定しておけば良い。Also, the springs 3a, 3b and the surface plate 5, which are components of this system, do not require a water pressure resistant structure, and particularly when used under high water pressure, the air bladder 10 is compressed and the volume is reduced. If there is a slight remaining amount of air, the operation of the system is not hindered, and the amount of air required for the intended water pressure may be set in advance.
また、設計値を越える高水圧下で空気袋10の空気の残
量が極端に少なくなった場合には、表面板５と空気袋10
とは密着し、防振遮音機能を失うが、圧壊には至らず、
再び圧力が回復した時、防振遮音機能も復元すると言う
特徴もある。If the remaining amount of air in the air bag 10 becomes extremely small under a high water pressure exceeding the design value, the surface plate 5 and the air bag 10
And loses the vibration and sound insulation function, but does not lead to crushing,
Another feature is that the vibration and sound insulation function is restored when the pressure is restored again.
上述したように、本発明による水中防振遮音台は、高
水圧下に設けた母台に支持部材を相対向するように立設
し、該相対向する支持部材の間にバネを介して表面板を
取り付け、該表面板に音響を受波する受波器を取り付け
るようにした水中防振遮音台において、前記表面板の前
記母台に対面する側の表面に空気圧が封入された可撓性
の空気袋を取り付けると共に、該空気袋を前記母台に対
して非接触状態にしたので、高水圧中でも防音と遮音の
機能を有効に発揮することができる。As described above, the underwater vibration-proof and sound-insulating table according to the present invention has support members erected on a base provided under high water pressure so as to oppose each other, and is provided between the opposing support members via a spring. In a submersible anti-vibration sound insulation table in which a face plate is attached and a receiver for receiving sound is attached to the surface plate, air pressure is sealed on a surface of the surface plate facing the base. Since the air bag is attached and the air bag is kept out of contact with the base, soundproofing and sound insulating functions can be effectively exhibited even under high water pressure.
また、従来のような複雑で、大型大重量とならないた
め、安価に製作でき、メンテナンスも容易である。In addition, since it is not complicated and large and heavy as in the related art, it can be manufactured at low cost and maintenance is easy.
第１図は、この発明を実施した水中防振遮音台の概略構
成図、第２図及び第３図は従来の水中防振遮音台の概略
構成図である。 １……母台、2a,2b……支持部材、 3a,3b……バネ、４……受波器、５……表面板、 10……空気袋。FIG. 1 is a schematic configuration diagram of an underwater vibration-proof and sound-insulating table embodying the present invention, and FIGS. 2 and 3 are schematic configuration diagrams of a conventional underwater vibration-proof and sound-insulating table. 1 ... Base, 2a, 2b ... Support member, 3a, 3b ... Spring, 4 ... Receiver, 5 ... Surface plate, 10 ... Air bag.
Claims (1)
するように立設し、該相対向する支持部材の間にバネを
介して表面板を取り付け、該表面板に音響を受波する受
波器を取り付けるようにした水中防振遮音台において、
前記表面板の前記母台に対面する側の表面に空気圧が封
入された可撓性の空気袋を取り付けると共に、該空気袋
を前記母台に対して非接触状態にしたことを特徴とする
水中防振遮音台。1. A support member is erected on a base provided under high water pressure so as to face each other, a surface plate is attached between the opposed support members via a spring, and sound is applied to the surface plate. In the underwater vibration and sound insulation stand where the receiver to receive the wave was attached,
Underwater characterized in that a flexible air bag filled with air pressure is attached to the surface of the surface plate facing the base, and the air bag is brought into non-contact with the base. Anti-vibration sound insulation stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17482987A JP2653032B2 (en) | 1987-07-15 | 1987-07-15 | Underwater vibration and sound insulation stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17482987A JP2653032B2 (en) | 1987-07-15 | 1987-07-15 | Underwater vibration and sound insulation stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6421241A JPS6421241A (en) | 1989-01-24 |
| JP2653032B2 true JP2653032B2 (en) | 1997-09-10 |
Family
ID=15985389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17482987A Expired - Lifetime JP2653032B2 (en) | 1987-07-15 | 1987-07-15 | Underwater vibration and sound insulation stand |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2653032B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0453580A1 (en) * | 1990-03-01 | 1991-10-30 | Shell Internationale Researchmaatschappij B.V. | Fungicidal benzyl-tris(aryl)-phosphonium salts |
| CN112049884B (en) * | 2020-08-19 | 2022-04-05 | 博罗县石湾联科精密五金有限公司 | Dead spring assembly of anti-sticking |
| CN112253685A (en) * | 2020-10-21 | 2021-01-22 | 马鞍山市常立发机械制造有限公司 | Safe type low noise diesel engine for agricultural machine |
-
1987
- 1987-07-15 JP JP17482987A patent/JP2653032B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6421241A (en) | 1989-01-24 |
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Legal Events
| Date | Code | Title | Description |
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Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
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| EXPY | Cancellation because of completion of term |