JPS629045A - Vibration damping device - Google Patents
Vibration damping deviceInfo
- Publication number
- JPS629045A JPS629045A JP14943285A JP14943285A JPS629045A JP S629045 A JPS629045 A JP S629045A JP 14943285 A JP14943285 A JP 14943285A JP 14943285 A JP14943285 A JP 14943285A JP S629045 A JPS629045 A JP S629045A
- Authority
- JP
- Japan
- Prior art keywords
- elastic
- vibration damping
- bag
- viscous fluid
- damping device
- 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.)
- Granted
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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔技術分野〕
本発明は運動エネルギーを吸収して振動を減衰させる装
置に関し、特に、基礎と建物や機械等の構造物との間で
防振または除震装置と併用するのに好適な振動減衰装置
に関する。[Detailed Description of the Invention] [Technical Field] The present invention relates to a device that absorbs kinetic energy and dampens vibration, and in particular, is used in conjunction with a vibration isolation or vibration isolation device between a foundation and a structure such as a building or machine. The present invention relates to a vibration damping device suitable for
コンピューターや原子力設備等を収納する建屋をはじめ
各種の建造物を地震や振動の力から保護するため、振動
をきらう精密機械を除震支持するため、あるいは振動発
生源としての機械等を防振支持するなどの目的で、これ
ら構造物を弾性支持手段あるいは摺動手段を介して基礎
に対し変位可能に支持することが行われている。To protect various buildings, including buildings that house computers and nuclear equipment, etc. from the force of earthquakes and vibrations, to provide vibration-absorbing support for precision machinery that dislikes vibrations, or to provide vibration-proof support for machinery that is a source of vibration. For the purpose of, for example, supporting these structures movably with respect to the foundation via elastic support means or sliding means.
このように構造物を変位可能に支持するに際しては、地
震や機械振動等のエネルギーを吸収し伝達される振動を
減衰させることが要請される。When supporting a structure so that it can be displaced in this way, it is required to absorb energy such as earthquakes and mechanical vibrations and to attenuate transmitted vibrations.
この種の振動減衰装置は、基本的に、流体（水あめ状の
高粘度流体も含む）の粘性抵抗を利用した流体ダンパー
と金属等の塑性変形を利用した塑性ダンパーとに大別す
ることができる。This type of vibration damping device can basically be divided into fluid dampers that utilize the viscous resistance of fluids (including high-viscosity fluids like starch syrup) and plastic dampers that utilize plastic deformation of metals, etc. .
本発明は前者の流体ダンパーに属する。The present invention belongs to the former type of fluid damper.
流体ダンパーとしては、従来、第８図に例示するオイル
シリンダーや第９図に例示するせん断抵抗型のものなど
が提案されている。As a fluid damper, an oil cylinder illustrated in FIG. 8 and a shear resistance type damper illustrated in FIG. 9 have been proposed.
第８図のオイルシリンダーは、オイル２１が充填された
シリンダ２２にオリフィス２３を有するピストンロッド
２４を嵌合させ、シリンダ２２およびピストンロッド２
４が相対運動する際にオリフィス２３で生じる粘性抵抗
により減衰力を得るものである。In the oil cylinder shown in FIG. 8, a piston rod 24 having an orifice 23 is fitted into a cylinder 22 filled with oil 21.
The damping force is obtained by the viscous resistance generated in the orifice 23 when the two elements move relative to each other.
しかし、このオイルシリンダーにあっては、ピスト７゜
ラド２４の移動方向にしか作用せず方向性があるため、
通常異なる方向に複数本のオイルシリンダーを設置する
必要があり、構造が複雑で所要スペースが大きくなり、
コストも嵩むという問題がある。However, since this oil cylinder only acts in the direction of movement of the piston 7°rad 24 and has directionality,
Normally, it is necessary to install multiple oil cylinders in different directions, resulting in a complex structure and large space requirements.
There is also the problem of increased costs.
第９図のせん断抵抗型のダンパーは、容器２５に溜めら
れたアスファルトなどの水あめ状の粘性流体２６内に引
っかき部材２７を配置しておき、該引っかき部材２７と
容器２５との間の相対速度で生じる粘性抵抗を利用する
ものである。In the shear resistance type damper shown in FIG. 9, a scratching member 27 is disposed in a syrup-like viscous fluid 26 such as asphalt stored in a container 25, and the relative velocity between the scratching member 27 and the container 25 is This utilizes the viscous resistance that occurs in
しかし、このせん断抵抗型のダンパーでは、流体２６中
にごみや砂等の異物が混入しやすく、メインテナンスに
手間を要するなどの問題がある。However, this shear resistance type damper has problems such as foreign matter such as dirt and sand being easily mixed into the fluid 26 and requiring maintenance.
本発明の目的はこのような従来技術の問題を解決でき、
構造がコンパクトで方向性がなく、しかも異物混入など
がなくメインテナンスが容易な振動減衰装置を提供する
ことである。The purpose of the present invention is to solve the problems of the prior art,
To provide a vibration damping device which has a compact structure, has no directionality, is free from foreign matter contamination, and is easy to maintain.
本発明は、粘性流体を含んだ多孔質材をゴム状弾性材の
袋の中に密封して弾性袋体を形成し、該弾性袋体を平行
方向に相対変位可能な２つの面の間に予圧縮変形状態で
かつ転動可能な状態で保持する構成により、上記目的を
達成するものである。The present invention forms an elastic bag by sealing a porous material containing a viscous fluid in a bag made of rubber-like elastic material, and places the elastic bag between two surfaces that can be relatively displaced in parallel directions. The above object is achieved by a configuration that maintains the device in a pre-compressed deformed state and in a rollable state.
以下図面を参照して本発明を具体的に説明する。 The present invention will be specifically described below with reference to the drawings.
第１図は本発明の一実施例に係る振動減衰装置の縦断面
を示し、第２図は第１図中の弾性袋体の未使用状態の縦
断面を示す。FIG. 1 shows a longitudinal section of a vibration damping device according to an embodiment of the present invention, and FIG. 2 shows a longitudinal section of the elastic bag shown in FIG. 1 in an unused state.
第１図および第２図において、弾性袋体ｌは、粘性流体
２を含んだ多孔質材３をゴム状弾性材の袋４の中に密封
した構造を存している。In FIGS. 1 and 2, an elastic bag 1 has a structure in which a porous material 3 containing a viscous fluid 2 is sealed in a bag 4 made of a rubber-like elastic material.
前記弾性袋体１は第１図に示すごと（平行方向に相対変
位（相対移動）可能な２つの面５．６の間に予圧縮変形
状態でかつ転動可能な状態で保持され、このように装着
することにより２つの面５．６間の振動（特に実線また
は点線の矢印で示す方向の振動）に対する減衰力を発生
する。As shown in FIG. 1, the elastic bag 1 is held in a pre-compressed deformed state and in a rollable state between two surfaces 5.6 that can be relatively displaced (relatively moved) in the parallel direction; By mounting it on the surface 5.6, a damping force is generated against vibrations between the two surfaces 5.6 (particularly vibrations in the direction indicated by the solid or dotted arrows).
前記弾性袋体ｌ内に充填される多孔質材３としてはスポ
ンジ状の変形可能な材質のものを使用することが好まし
く、一体形あるいはブロック状の分割形のいずれでもよ
く、さらにはチップ状のものも使用することができる。It is preferable to use a sponge-like deformable material as the porous material 3 filled in the elastic bag 1, and it may be either an integral type or a block-shaped divided type, and furthermore, a chip-shaped porous material 3 may be used. can also be used.
また、この多孔質材３に含ませる粘性流体２としては所
望粘度（一般には高粘度）のものが使用され、例えば高
粘度のオイル、あるいはアスファルトなどの水あめ状の
流動物質などを使用することができる。The viscous fluid 2 contained in the porous material 3 is of a desired viscosity (generally high viscosity); for example, high viscosity oil or a starch syrup-like fluid substance such as asphalt may be used. can.
第１図の振動減衰装置を基礎と構造物との間に使用する
場合は、例えば、下側の面５が基礎の上面をなし、上側
の面６が構造物支持用の基台または該構造物の底面をな
すようにして使用することができる。この場合、構造物
（その基台等を含む）の重量は別途設けた弾性支持装置
または摺動面で横方向相対移動可能に支持される。When the vibration damping device of FIG. 1 is used between a foundation and a structure, for example, the lower surface 5 forms the upper surface of the foundation, and the upper surface 6 forms the base for supporting the structure or the structure. It can be used to form the bottom of an object. In this case, the weight of the structure (including its base, etc.) is supported by a separately provided elastic support device or sliding surface so as to be relatively movable in the lateral direction.
第３図（Ａ）、（Ｂ）は第１図の振動減衰装置の動作を
示す。3(A) and 3(B) show the operation of the vibration damping device of FIG. 1.
第３図（Ａ）の初期状態から、上側の面６が実線矢印方
向に移動するかまたは下側の面６が鎖線矢印方向に移動
するかして上下の面５．６間に相対移動が生じると、弾
性袋体１は矢印Ｘ方向に転動（上下面５．６との間でほ
とんどすべりを生じることなく転がること）し、その上
下の中央点Ａ１Ｂは第３図（Ａ）から第３図（Ｂ）のよ
うに移動する。From the initial state shown in FIG. 3(A), the upper surface 6 moves in the direction of the solid arrow, or the lower surface 6 moves in the direction of the chain arrow, causing relative movement between the upper and lower surfaces 5.6. When this occurs, the elastic bag body 1 rolls in the direction of arrow Move as shown in Figure 3 (B).
この転動の間、袋４内の粘性流体２は矢印Ｙで例示する
ように多孔質材３内を移動（流動）する。During this rolling, the viscous fluid 2 within the bag 4 moves (flows) within the porous material 3 as illustrated by arrow Y.
この粘性流体２が多孔質材３内を移動する際の流動抵抗
（粘性抵抗）によって、２つの面５．６間の移動（通常
では振動）に対する減衰力が発生する。The flow resistance (viscous resistance) when the viscous fluid 2 moves within the porous material 3 generates a damping force against movement (usually vibration) between the two surfaces 5.6.
第４図および第５図は、基礎７および構造物（またはそ
の基台）８のそれぞれに平滑面５．６を有する画盤９．
１０を固定し、これらの画盤の間に弾性袋体ｌを保持し
た状態を示す側面図および横断面図である。4 and 5 show a screen 9.6 having a smooth surface 5.6 on each of the foundation 7 and the structure (or its base) 8.
10 is fixed and an elastic bag l is held between these plates. FIG.
しかし、これらの画盤９．１０は基礎７および構造物８
の面が良好な場合は省略することができる。However, these drawing boards 9.10 are based on foundations 7 and structures 8.
If the surface is good, it can be omitted.
第６図および第７図は本発明による振動減衰装置を重量
支持用の弾性支持装置１１と併用する状態を模式的に示
す。6 and 7 schematically show how the vibration damping device according to the invention is used in conjunction with an elastic support device 11 for weight support.
この場合の弾性支持装置１１は、例えば、ゴム状弾性材
と金属板などの補強板とを交互に積層した弾性支持体１
２の上下端にフランジ１３．１４が固着され、これらフ
ランジで上下の面６．５にボルト等で固定する構造を有
している。The elastic support device 11 in this case is, for example, an elastic support 1 in which a rubber-like elastic material and reinforcing plates such as metal plates are alternately laminated.
Flanges 13.14 are fixed to the upper and lower ends of 2, and these flanges are fixed to the upper and lower surfaces 6.5 with bolts or the like.
上下の面６．５が地震や振動等で矢印方向に相対移動す
ると、弾性支持体１２および弾性袋体１が実線位置から
鎖線位置へ移動し、これらの動きによって効果的に割振
機能を発揮することができる。When the upper and lower surfaces 6.5 move relative to each other in the direction of the arrow due to earthquakes, vibrations, etc., the elastic support 12 and the elastic bag 1 move from the solid line position to the chain line position, and these movements effectively perform the allocation function. be able to.
第６図および第７図の支持装置によれば、方向性がなく
かつメインテナンス性が容易な振動吸収支持装置が得ら
れる。According to the support devices shown in FIGS. 6 and 7, a vibration absorbing support device that has no directionality and is easy to maintain can be obtained.
以上説明した実施例によれば、粘性流体２を含んだ多孔
質材３をゴム状弾性材の袋４の中に密封して弾性袋体を
形成し、該弾性袋体を平行方向に相対変位可能な２つの
面５．６の間に予圧縮変形状態でかつ転動可能な状態で
保持したので、地震や振動等で２つの面５．６間に相対
運動が生じると粘性流体の流動抵抗が生じ、減衰力を発
生することができる。According to the embodiment described above, the porous material 3 containing the viscous fluid 2 is sealed in the bag 4 made of rubber-like elastic material to form an elastic bag, and the elastic bag is relatively displaced in the parallel direction. Since it is held in a pre-compressed deformed state and in a rollable state between the two possible surfaces 5.6, if relative movement occurs between the two surfaces 5.6 due to earthquakes or vibrations, the flow resistance of the viscous fluid will increase. occurs, and a damping force can be generated.
また、弾性袋体１を挟持するだけの構造であるので、コ
ンパクトで部品点数が少なくしかも方向性がなく、さら
に、異物混入などがなくメインテナンスが容易であり施
工性にもすぐれた１辰動減衰装置が得られる。In addition, since the structure is simply to hold the elastic bag body 1, it is compact, has a small number of parts, and has no directionality.Furthermore, it is easy to maintain as there is no foreign matter mixed in, and it has excellent workability. A device is obtained.
なお、図示の実施例では弾性袋体１を球体にしたが、こ
れは半球状や円盤状など他の適当な形伏にすることもで
きる。In the illustrated embodiment, the elastic bag 1 is made into a sphere, but it can also be made into any other suitable shape, such as a hemisphere or a disc.
また、図示の実施例では２つの面が水平方向である場合
を示したが、本発明は垂直または傾斜した２つの面に対
しても同様に適用することができる。Further, although the illustrated embodiment shows a case where the two surfaces are horizontal, the present invention can be similarly applied to two vertical or inclined surfaces.
さらに、室内に設置される比較的小型軽量の構造に対し
ても同様に通用することができる。Furthermore, it can be similarly applied to a relatively small and lightweight structure installed indoors.
以上の説明から明らかなごとく、本発明によれば、コン
パクトで方向性がなく、しかもメインテナンスが容易な
振動減衰装置が得られる。As is clear from the above description, according to the present invention, it is possible to obtain a vibration damping device that is compact, has no directionality, and is easy to maintain.
第１図は本発明の一実施例に係る振動減衰装置の縦断面
図、第２図は第１図中の弾性袋体の未使用時の縦断面図
、第３図（Ａ）および第３図（Ｂ）は２つの面の相対移
動に伴う弾性袋体の挙動を例示する模式的縦断面図、第
４図は基礎および構造物に固定した画盤で弾性袋体を挟
持する場合を例示する側面図、第５図は第４図中の線Ｖ
−Ｖから見た横断面図、第６図は弾性支持装置と本発明
に係る振動減衰装置とを併用する場合を模式的に示す側
面図、第７図は第６図中の線■−■から見た横断面図、
第８図および第９図はそれぞれ従来の振動減衰装置を例
示する模式的縦断面図である。
１−・−弾性袋体、２−・−粘性流体、３−・−・−・
・多孔質材、４・−・・・−袋、５．６・・−・−２つ
の面。
代理人 弁理士 大 音 康 毅
第１図 ＩＦ５図
第３ 図FIG. 1 is a longitudinal sectional view of a vibration damping device according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of the elastic bag shown in FIG. 1 when it is not in use, and FIGS. Figure (B) is a schematic vertical cross-sectional view illustrating the behavior of the elastic bag as the two surfaces move relative to each other, and Figure 4 illustrates the case where the elastic bag is held between a drawing board fixed to a foundation and a structure. The side view shown in Fig. 5 is line V in Fig. 4.
6 is a side view schematically showing the case in which the elastic support device and the vibration damping device according to the present invention are used together, and FIG. 7 is a cross-sectional view as seen from V. A cross-sectional view seen from
FIGS. 8 and 9 are schematic vertical cross-sectional views illustrating conventional vibration damping devices, respectively. 1-・-Elastic bag body, 2-・-Viscous fluid, 3-・-・-・
-Porous material, 4.----bag, 5.6...-2 sides. Agent Patent Attorney Yasushi Ooto Figure 1 IF5 Figure 3
Claims (1)
中に密封して弾性袋体を形成し、該弾性袋体を平行方向
に相対変位可能な２つの面の間に予圧縮変形状態でかつ
転動可能な状態で保持して成る振動減衰装置。(1) A porous material containing a viscous fluid is sealed in a bag made of rubber-like elastic material to form an elastic bag, and the elastic bag is placed between two surfaces that can be relatively displaced in parallel directions. A vibration damping device held in a compressively deformed state and in a rollable state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60149432A JPH0723741B2 (en) | 1985-07-08 | 1985-07-08 | Vibration damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60149432A JPH0723741B2 (en) | 1985-07-08 | 1985-07-08 | Vibration damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS629045A true JPS629045A (en) | 1987-01-17 |
| JPH0723741B2 JPH0723741B2 (en) | 1995-03-15 |
Family
ID=15474980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60149432A Expired - Lifetime JPH0723741B2 (en) | 1985-07-08 | 1985-07-08 | Vibration damping device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723741B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01163602U (en) * | 1988-05-06 | 1989-11-15 | ||
| JPH01293213A (en) * | 1988-05-20 | 1989-11-27 | Tokico Ltd | Vehicle height adjustment system |
| JPH0264604U (en) * | 1988-11-05 | 1990-05-15 | ||
| US5353559A (en) * | 1990-08-22 | 1994-10-11 | Bridgestone Corp. | Anti-earthquake bearing apparatus |
| US6037403A (en) * | 1995-12-13 | 2000-03-14 | Nippon Petrochemicals Company Limited | High viscosity fluid composition and vibration energy damping device utilizing the same |
| JP2010175053A (en) * | 2009-02-02 | 2010-08-12 | Ihi Infrastructure Systems Co Ltd | Sliding bearing device |
| JP2013224854A (en) * | 2012-04-20 | 2013-10-31 | Toshiba Corp | Fuel handling machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930792U (en) * | 1972-06-21 | 1974-03-16 |
-
1985
- 1985-07-08 JP JP60149432A patent/JPH0723741B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930792U (en) * | 1972-06-21 | 1974-03-16 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01163602U (en) * | 1988-05-06 | 1989-11-15 | ||
| JPH01293213A (en) * | 1988-05-20 | 1989-11-27 | Tokico Ltd | Vehicle height adjustment system |
| JPH0264604U (en) * | 1988-11-05 | 1990-05-15 | ||
| US5353559A (en) * | 1990-08-22 | 1994-10-11 | Bridgestone Corp. | Anti-earthquake bearing apparatus |
| US6037403A (en) * | 1995-12-13 | 2000-03-14 | Nippon Petrochemicals Company Limited | High viscosity fluid composition and vibration energy damping device utilizing the same |
| JP2010175053A (en) * | 2009-02-02 | 2010-08-12 | Ihi Infrastructure Systems Co Ltd | Sliding bearing device |
| JP2013224854A (en) * | 2012-04-20 | 2013-10-31 | Toshiba Corp | Fuel handling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723741B2 (en) | 1995-03-15 |
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