JPH08159203A - Vibration control device - Google Patents
Vibration control deviceInfo
- Publication number
- JPH08159203A JPH08159203A JP29854294A JP29854294A JPH08159203A JP H08159203 A JPH08159203 A JP H08159203A JP 29854294 A JP29854294 A JP 29854294A JP 29854294 A JP29854294 A JP 29854294A JP H08159203 A JPH08159203 A JP H08159203A
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- vibrating body
- building
- fluid
- voltage
- 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.)
- Pending
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ＥＲ流体（Ｅｌｅｃｔ
ｒｏ−Ｒｈｅｏｌｏｇｉｃａｌ Ｆｌｕｉｄ；電気粘性
流体）を応用した、建築物の制振装置に関するものであ
る。BACKGROUND OF THE INVENTION The present invention relates to an ER fluid (Elect).
The present invention relates to a vibration control device for a building to which ro-Rheological Fluid (electrorheological fluid) is applied.
【０００２】[0002]
【従来の技術】従来から、地震、強風等による建築物の
振動を抑制するために、種々の制振装置が提案されてい
る。2. Description of the Related Art Conventionally, various vibration control devices have been proposed in order to suppress the vibration of a building due to an earthquake, a strong wind or the like.
【０００３】[0003]
【発明が解決しようとする課題】そして、近時、ＥＲ流
体を制振装置へ応用することが試みられている。ＥＲ流
体とは、鉄等の誘電体粒子を含有し、電圧を印加すると
粘度が増加する流体である。本発明は、当該ＥＲ流体を
応用した制振装置を提供することを目的としている。Recently, it has been attempted to apply the ER fluid to a vibration damping device. An ER fluid is a fluid that contains dielectric particles such as iron and whose viscosity increases when a voltage is applied. An object of the present invention is to provide a vibration damping device to which the ER fluid is applied.
【０００４】[0004]
【課題を解決するための手段】本発明は、建築物（１０
０）の振動に伴って振動する振動体（２）と、該振動体
に接続された弾性手段（コイルばね１１）および減衰手
段とを有する制振装置（１）において、前記減衰手段と
して、電気粘性流体（５０）が充填された収納体（５
Ａ、５Ｂ）と、該収納体内において前記振動体の振動に
連動して回転する回転部材（粘性抵抗ファン７）と、前
記電気粘性流体に電圧を印加する電圧印加手段（負荷電
圧発生器６）とを設けた構成を特徴とする。The present invention provides a building (10
In a vibration damping device (1) having a vibrating body (2) vibrating according to the vibration of (0), elastic means (coil spring 11) and damping means connected to the vibrating body, the damping means is an electric device. A container (5 filled with a viscous fluid (50)
A, 5B), a rotating member (viscous resistance fan 7) that rotates in association with vibration of the vibrating body in the housing, and voltage applying means (load voltage generator 6) for applying a voltage to the electrorheological fluid. It is characterized by the configuration provided with.
【０００５】[0005]
【作用】本発明によれば、振動体の振動が回転部材の回
転に変換されると共に、印加電圧の加減により電気粘性
流体の粘度が加減される。According to the present invention, the vibration of the vibrating body is converted into the rotation of the rotating member, and the viscosity of the electrorheological fluid is adjusted by adjusting the applied voltage.
【０００６】[0006]
【実施例】本発明の一実施例である制振装置１は、図２
に示すように、直方体形に形成された鋼製の振動体２を
有しており、振動体２は、建築物１００の床面上におい
て水平方向へ移動しうるように、積層ゴム３を介して下
側から弾性的に支持されている。なお、振動体２は、積
層ゴム３の代わりに、ローラー等によって支持してもよ
い。また、振動体２は、図中破線で示すように、つり棒
１３によって上側から弾性的に支持してもよい。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A vibration damping device 1 according to an embodiment of the present invention is shown in FIG.
As shown in FIG. 3, the vibration body 2 has a rectangular parallelepiped shape made of steel, and the vibration body 2 can be moved horizontally on the floor surface of the building 100 via the laminated rubber 3. And is elastically supported from below. The vibrating body 2 may be supported by a roller or the like instead of the laminated rubber 3. Further, the vibrating body 2 may be elastically supported from above by a fishing rod 13 as shown by a broken line in the figure.
【０００７】そして、図１に示すように、四角形の枠形
に形成されたフレーム４が、振動体２を四方から包囲す
る形で、建築物１００の床面上に固定して設けられてい
る。そして、振動体２の４つの側面２ａと、各側面２ａ
に向かい合ったフレーム４の部分の間には、複数のコイ
ルばね１１が装着されている。As shown in FIG. 1, a frame 4 having a rectangular frame shape is fixedly provided on the floor surface of the building 100 so as to surround the vibrating body 2 from four sides. . Then, the four side surfaces 2a of the vibrating body 2 and each side surface 2a
A plurality of coil springs 11 are mounted between the portions of the frame 4 facing each other.
【０００８】フレーム４の図１右側部と左側部には、ガ
イドフレーム４Ａが設けられており、そして、複数組の
収納体５Ａ、５Ａが、ローラー等を介してガイドフレー
ム４Ａに沿って図１上下方向にのみ移動しうる形で設け
られいる。また、各組の収納体５Ａ、５Ａは、振動体２
の図中上下の側面２ａの近傍の部分を挟む形で配置され
ている。Guide frames 4A are provided on the right and left sides of the frame 4 in FIG. 1, and a plurality of sets of storage bodies 5A, 5A are arranged along the guide frames 4A via rollers and the like. It is provided so that it can only move in the vertical direction. In addition, the storage bodies 5A and 5A of each set are the vibration body 2
In the figure, they are arranged so as to sandwich the portions near the upper and lower side surfaces 2a.
【０００９】同様に、フレーム４の図１上側部と下側部
には、ガイドフレーム４Ｂが設けられており、そして、
複数組の収納体５Ｂ、５Ｂが、ローラー等を介してガイ
ドフレーム４Ｂに沿って図１左右方向にのみ移動しうる
形で設けられている。また、各組の収納体５Ｂ、５Ｂ
は、振動体２の図中左右の側面２ａの近傍の部分を挟む
形で配置されている。Similarly, guide frames 4B are provided on the upper and lower parts of the frame 4 in FIG. 1, and
A plurality of sets of storage bodies 5B, 5B are provided so as to be movable only in the left-right direction in FIG. 1 along the guide frame 4B via rollers or the like. Also, the storage bodies 5B, 5B of each set
Are arranged so as to sandwich the portions near the left and right side surfaces 2a of the vibrating body 2 in the figure.
【００１０】各組の収納体５Ａ、５Ａ又は５Ｂ、５Ｂ
は、図２に示すように、上下に整合する形で向かい合っ
て配置されている（なお、図２には収納体５Ａ、５Ａを
示すが、収納体５Ｂ、５Ｂも同様である）。そして、各
収納体５Ａ、５Ｂは、粘性抵抗ファン７（後述）が内部
で回転しうる程度の比較的小形の円筒形に形成されてお
り、各収納体５Ａ、５Ｂの内部には、ＥＲ流体５０が充
填されている。また、収納体５Ａ、５Ｂの内部には、負
荷電圧発生器６が設けられており、負荷電圧発生器６に
は、制御装置、振動センサ等（図示せず）が接続されて
いる。Each set of storage bodies 5A, 5A or 5B, 5B
2 are arranged to face each other in a vertically aligned manner as shown in FIG. 2 (note that although the storage bodies 5A and 5A are shown in FIG. 2, the storage bodies 5B and 5B are the same). Each of the accommodating bodies 5A and 5B is formed in a relatively small cylindrical shape such that a viscous resistance fan 7 (described later) can rotate inside, and each of the accommodating bodies 5A and 5B has an ER fluid inside. 50 is filled. A load voltage generator 6 is provided inside the housings 5A and 5B, and a control device, a vibration sensor, etc. (not shown) are connected to the load voltage generator 6.
【００１１】そして、一組の収納体５Ａ、５Ａの間に
は、回転軸８が、収納体５Ａ、５Ａと一体的に図１上下
方向にのみ移動自在に、かつ、ベアリング等を介して回
転自在に立設されいる。同様に、一組の収納体５Ｂ、５
Ｂの間には、回転軸８が、収納体５Ｂ、５Ｂと一体的に
図１左右方向にのみ移動自在に、かつ、回転自在に立設
されいる。Between the pair of storage bodies 5A and 5A, the rotary shaft 8 is movable integrally with the storage bodies 5A and 5A only in the vertical direction in FIG. 1 and is rotated through a bearing or the like. It is set up freely. Similarly, a set of storage bodies 5B, 5
Between B, a rotary shaft 8 is erected integrally with the storage bodies 5B and 5B so as to be movable only in the left-right direction in FIG. 1 and rotatable.
【００１２】そして、図２に示すように、各回転軸８の
上下端は、それぞれ収納体５Ａ、５Ａ（又は５Ｂ、５
Ｂ）の内部に挿入され、粘性抵抗ファン７が装着されて
いる。また、各回転軸８には、プーリー９が固着されて
いる。そして、図１に示すように、振動体２の側面２ａ
の近傍の部分を挟んで配置された回転軸８、８のプーリ
ー９、９間には、ベルト１０が装着されており、ベルト
１０の端部１０ａ、１０ａは、振動体２の側面２ａ、２
ａに接続されている。Then, as shown in FIG. 2, the upper and lower ends of the rotary shafts 8 are respectively accommodated in the storage bodies 5A, 5A (or 5B, 5B,
The viscous resistance fan 7 is inserted in the inside of B). A pulley 9 is fixed to each rotating shaft 8. Then, as shown in FIG. 1, the side surface 2 a of the vibrating body 2
A belt 10 is mounted between the pulleys 9 and 9 of the rotary shafts 8 and 8 which are arranged so as to sandwich a portion in the vicinity of, and the end portions 10a and 10a of the belt 10 have side surfaces 2a and 2a of the vibrating body 2, respectively.
connected to a.
【００１３】従って、地震、強風等により建築物１００
が振動すると、振動体２が水平方向（図１上下または左
右方向）へ往復移動し、振動体２には、コイルばね１１
の弾性力が移動方向と逆方向に作用する。Therefore, the building 100 is damaged by an earthquake or a strong wind.
When the vibrator vibrates, the vibrating body 2 reciprocates in the horizontal direction (vertical or horizontal direction in FIG. 1) and the coil spring 11
Elastic force acts in the direction opposite to the moving direction.
【００１４】同時に、振動体２の図１上下方向への往復
移動に対応して、各収納体５Ａが図１上下方向へ移動
し、一方、各収納体５Ｂ内の粘性抵抗ファン７が、ベル
ト１０、プーリー９、回転軸８を介して回転する。ま
た、振動体２の図１左右方向への往復移動に対応して、
各収納体５Ｂが図１左右方向へ移動し、一方、各収納体
５Ａ内の粘性抵抗ファン７が、ベルト１０、プーリー
９、回転軸８を介して回転する。At the same time, in response to the reciprocating movement of the vibrating body 2 in the vertical direction in FIG. 1, each storage body 5A moves in the vertical direction in FIG. 1, while the viscous resistance fan 7 in each storage body 5B moves the belt. It rotates via 10, pulley 9, and rotary shaft 8. Further, in response to the reciprocating movement of the vibrating body 2 in the left-right direction in FIG. 1,
Each housing 5B moves in the left-right direction in FIG. 1, while the viscous resistance fan 7 in each housing 5A rotates via the belt 10, the pulley 9, and the rotating shaft 8.
【００１５】即ち、振動体２の水平方向への往復運動
は、ベルト１０、プーリー９、回転軸８を介して、粘性
抵抗ファン７の往復回転運動へ変換される。一方、粘性
抵抗ファン７には収納体５Ａ、５Ｂ内のＥＲ流体５０の
粘性抵抗が作用し、回転軸８、プーリー９、ベルト１０
を介して、振動体２へ伝達される。そして、建築物１０
０には、該建築物１００の揺れと逆方向の力が作用し
て、建築物１００の揺れが低減される。That is, the horizontal reciprocating motion of the vibrating body 2 is converted into the reciprocating rotary motion of the viscous resistance fan 7 via the belt 10, the pulley 9 and the rotating shaft 8. On the other hand, the viscous resistance of the ER fluid 50 in the housings 5A and 5B acts on the viscous resistance fan 7, and the rotating shaft 8, the pulley 9, the belt 10
Is transmitted to the vibrating body 2 via. And building 10
A force in the direction opposite to the swing of the building 100 acts on 0, and the swing of the building 100 is reduced.
【００１６】この際、建築物１００の振動状態を振動セ
ンサ等により検知して、制御装置、負荷電圧発生器６を
介して、収納体５Ａ、５Ｂ内のＥＲ流体５０に印加する
電圧を適宜加減する。すると、ＥＲ流体５０の粘度が変
化し、粘性抵抗ファン７を介して最適な減衰力を発生さ
せることができる。すなわち、ＥＲ流体５０への印加電
圧の加減により、振動体２の振動を最適に調整すること
ができ、制振効果を向上させることができる。At this time, the vibration state of the building 100 is detected by a vibration sensor or the like, and the voltage applied to the ER fluid 50 in the housings 5A and 5B is appropriately adjusted via the control device and the load voltage generator 6. To do. Then, the viscosity of the ER fluid 50 changes, and an optimum damping force can be generated via the viscous resistance fan 7. That is, by adjusting the applied voltage to the ER fluid 50, the vibration of the vibrating body 2 can be optimally adjusted, and the damping effect can be improved.
【００１７】[0017]
【発明の効果】本発明によれば、建築物の振動に応じて
電気粘性流体に印加する電圧を適宜加減して、回転部材
に作用する粘性抵抗を加減することにより、最適な減衰
力を発生させ、制振効果を向上させることができる。ま
た、振動体の振動を回転部材の回転へ変換するので、電
気粘性流体の収納体を小形に形成することができる。According to the present invention, the optimum damping force is generated by appropriately adjusting the voltage applied to the electrorheological fluid according to the vibration of the building to adjust the viscous resistance acting on the rotating member. The vibration damping effect can be improved. Further, since the vibration of the vibrating body is converted into the rotation of the rotating member, the electrorheological fluid container can be formed in a small size.
【図１】本発明に係る制振装置の一実施例を示す平面図
である。FIG. 1 is a plan view showing an embodiment of a vibration damping device according to the present invention.
【図２】図１の示す制振装置の一実施例の断面図であ
る。FIG. 2 is a sectional view of an example of the vibration damping device shown in FIG.
１ 制振装置 ２ 振動体 ５Ａ、５Ｂ 収納体 ６ 電圧印加手段（負荷電圧発生器） ７ 回転部材（粘性抵抗ファン） １１ 弾性手段（コイルばね） ５０ 電気粘性流体 １００ 建築物 DESCRIPTION OF SYMBOLS 1 Damping device 2 Vibration body 5A, 5B storage body 6 Voltage application means (load voltage generator) 7 Rotating member (viscous resistance fan) 11 Elastic means (coil spring) 50 Electrorheological fluid 100 Building
───────────────────────────────────────────────────── フロントページの続き (72)発明者 山田 芳 東京都千代田区富士見二丁目10番26号 前 田建設工業株式会社内 (72)発明者 藤岡 敏雄 東京都千代田区富士見二丁目10番26号 前 田建設工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshi Yamada 2-10-10 Fujimi, Chiyoda-ku, Tokyo Maeda Construction Industry Co., Ltd. (72) Toshio Fujioka 2-1026 Fujimi, Chiyoda-ku, Tokyo Maeda Construction Industry Co., Ltd.
Claims (1)
該振動体に接続された弾性手段および減衰手段とを有す
る制振装置において、 前記減衰手段として、電気粘性流体が充填された収納体
と、該収納体内において前記振動体の振動に連動して回
転する回転部材と、前記電気粘性流体に電圧を印加する
電圧印加手段とを設けたことを特徴とする制振装置。1. A vibrating body that vibrates according to the vibration of a building,
A vibration damping device having elastic means and damping means connected to the vibrating body, wherein the damping means is a storage body filled with an electrorheological fluid, and the storage body rotates in association with the vibration of the vibrating body. And a voltage applying means for applying a voltage to the electrorheological fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29854294A JPH08159203A (en) | 1994-12-01 | 1994-12-01 | Vibration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29854294A JPH08159203A (en) | 1994-12-01 | 1994-12-01 | Vibration control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08159203A true JPH08159203A (en) | 1996-06-21 |
Family
ID=17861082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29854294A Pending JPH08159203A (en) | 1994-12-01 | 1994-12-01 | Vibration control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08159203A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005005857A1 (en) * | 2003-07-11 | 2005-01-20 | Oiles Corporation | Dynamic vibration absorber and dynamic vibration absorbing device using the same |
| JP2011043227A (en) * | 2009-08-24 | 2011-03-03 | Thk Co Ltd | Base-isolated table having damping mechanism and base-isolated table unit using the same |
-
1994
- 1994-12-01 JP JP29854294A patent/JPH08159203A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005005857A1 (en) * | 2003-07-11 | 2005-01-20 | Oiles Corporation | Dynamic vibration absorber and dynamic vibration absorbing device using the same |
| US8714324B2 (en) | 2003-07-11 | 2014-05-06 | Oiles Corporation | Dynamic vibration absorber and dynamic vibration absorbing apparatus using the same |
| JP2011043227A (en) * | 2009-08-24 | 2011-03-03 | Thk Co Ltd | Base-isolated table having damping mechanism and base-isolated table unit using the same |
| WO2011024642A1 (en) * | 2009-08-24 | 2011-03-03 | Thk株式会社 | Base isolation table with damping mechanism and base isolation table unit using the same |
| CN102483123A (en) * | 2009-08-24 | 2012-05-30 | Thk株式会社 | Base isolation table with damping mechanism and base isolation table unit using the same |
| US8348217B2 (en) | 2009-08-24 | 2013-01-08 | Thk Co., Ltd. | Base isolation table with damping mechanism and base isolation table unit using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Effective date: 20040706 Free format text: JAPANESE INTERMEDIATE CODE: A02 |