JPH03249443A - Microvibration mass damper - Google Patents
Microvibration mass damperInfo
- Publication number
- JPH03249443A JPH03249443A JP4574490A JP4574490A JPH03249443A JP H03249443 A JPH03249443 A JP H03249443A JP 4574490 A JP4574490 A JP 4574490A JP 4574490 A JP4574490 A JP 4574490A JP H03249443 A JPH03249443 A JP H03249443A
- Authority
- JP
- Japan
- Prior art keywords
- mass
- damper
- base
- vibration
- mass damper
- 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
- 239000011345 viscous material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は高層の建物、高さの高い構造物の水平方向の振
動を低減させるマスダンパーに係るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a mass damper that reduces horizontal vibrations of high-rise buildings and tall structures.
（従来の技術）
第５図は従来のこの種のマスダンパーを示し、−・−ス
＾上に配設されたＸ方向レール（ＢＹ）、ローラーへア
リング（ＣＹ）に下部マスフレーム（Ｐ）をＸ方向に移
動自在に装架し、同下部マスフレーム（Ｐ）上のＸ方向
レール（ＢＸ）、ローラベアリング（ＣＸ）に上部マス
フレーム（ロ）をＸ方向に移動自在に装架し、前記ベー
ス囚及び下部マスフレーム（Ｐ）に夫々Ｘ方向のダンパ
ー（ＤＹ）及びＸ方向のダンパー（Ｄχ）を配設し、且
つ前記ヘースＷと下部マスフレーム（Ｐ）間、及び同下
部マスフレーム（Ｐ）と上部マスフレーム（Ｑ）との間
に夫々Ｘ方向緩衝ばね（ＥＹ）及びＸ方向緩衝ばね（Ｅ
χ）が介装されていて、前記ダンパー及びばねによって
風による構造物の振動を低減するように構成されている
。(Prior art) Fig. 5 shows a conventional mass damper of this type, which includes an X-direction rail (BY) disposed on the floor, a lower mass frame (P) on the roller bearing (CY) is mounted movably in the X direction, and the upper mass frame (B) is mounted movably in the X direction on the X direction rail (BX) and roller bearing (CX) on the lower mass frame (P), An X-direction damper (DY) and an X-direction damper (Dχ) are arranged on the base prisoner and the lower mass frame (P), respectively, and between the heath W and the lower mass frame (P), and between the lower mass frame (P) and the upper mass frame (Q) are provided with an X-direction buffer spring (EY) and an X-direction buffer spring (E), respectively.
χ) is interposed, and the damper and spring are configured to reduce vibrations of the structure due to wind.
図中（ＦＹ）（ＦＸ）は夫々Ｘ方向オイル緩衝装置及び
Ｘ方向オイル緩衝装置である。In the figure, (FY) and (FX) are an X-direction oil shock absorber and an X-direction oil shock absorber, respectively.
（発明が解決しようとする！！題）
前記従来のマスダンパーは水平２方向の自由度を与える
ため２段重ねとなっていて、レールとベアリングを用い
ているため機構が複雑化し、またマスフレームとの間に
摩擦が働くため、微振動に対しては働かない。(Problem to be solved by the invention) The conventional mass damper is stacked in two stages to provide degrees of freedom in two horizontal directions, and the mechanism is complicated because it uses rails and bearings. It does not work against slight vibrations because there is friction between the two.
本発明は前記従来技術の有する問題点を解決するために
１２されたもので、その目的とする処は、構成が簡単で
、摩擦がなく、微振動にも作動しうる微振動用マスダン
パーを提供する点にある。The present invention has been made in order to solve the problems of the prior art described above, and its purpose is to provide a mass damper for micro-vibration that is simple in structure, has no friction, and can operate even with micro-vibration. It is in the point of providing.
（課題を解決するための手段）
前記の目的を達成するため、本発明に係る微振動マスダ
ンパーは、マスを基盤上に積層ゴムで支承するとともに
、同基盤上の剛体と前記マスの４周とを水平ばねで支持
し、前記マスの中心部と前記基盤との間にダンパー装置
を介装して構成されている。(Means for Solving the Problems) In order to achieve the above object, the micro-vibration mass damper according to the present invention has a mass supported on a base by laminated rubber, and a rigid body on the base and four circumferences of the mass. are supported by horizontal springs, and a damper device is interposed between the center of the mass and the base.
（作用）
本発明のマスダンパーにおいては前記したように、マス
が基盤上に積層ゴムによって重量を支持されるとともに
、同積層ゴムによって水平方向のばね特性が賦与される
ものである。(Function) As described above, in the mass damper of the present invention, the weight of the mass is supported by the laminated rubber on the base, and the laminated rubber imparts spring characteristics in the horizontal direction.
また前記マスの４周を基盤上の剛体によって水平ばねを
介して支持されているので、同ばねを調整することによ
って、マスダンパーの固有周期が調整されるものである
。Furthermore, since the four circumferences of the mass are supported by a rigid body on the base via horizontal springs, the natural period of the mass damper can be adjusted by adjusting the springs.
更に前記マスと基盤との間とご介装されたダンパー装置
によって、本発明のマスダンパー自体の振動が減少され
る。Furthermore, the vibration of the mass damper itself of the present invention is reduced by the damper device interposed between the mass and the base.
従って本発明に係るマスダンパーを構造物に取付け、こ
の振動系を振動させることによって、構造物の地震、風
等による振動が低減される。Therefore, by attaching the mass damper according to the present invention to a structure and vibrating the vibration system, vibrations of the structure due to earthquakes, wind, etc. can be reduced.
而して本発明によれば、前記マスがＭ！、）４こ積層ゴ
ムで支承されているので、摩擦やがたつきがなく、従っ
て本発明のマスダンパーは小さな振動に対しても有効に
働くものである。According to the present invention, the square is M! ,) Since it is supported by four laminated rubber, there is no friction or rattling, and therefore the mass damper of the present invention works effectively even against small vibrations.
（実施例） 以下本発明を図示の実施例について説明する。(Example) The present invention will be described below with reference to the illustrated embodiments.
（１）はマスで基盤（２）１乙こ積層ゴム（３）を介し
７て重量を支持され、且つ水平方向に剛性を賦与されて
いる。(1) is a mass that supports the weight of the base (2) through the laminated rubber (3) 7, and provides rigidity in the horizontal direction.
前記基盤（２）上におけるマス（１）の４周には剛体と
してのバットレス（４）が立設され２同各ハツトレス（
４）とマス（１）との間にばね（５）が介装されている
。Buttresses (4) as rigid bodies are erected around the four circumferences of the mass (1) on the base (2), and each of the two buttresses (
A spring (5) is interposed between the mass (1) and the mass (1).
なお図示の実施例ではＸ、Ｙ方向で固有周期が異ってい
る場合を示し、Ｘ、Ｙ各方向でぼね（５）の本数を変え
ている。The illustrated embodiment shows a case where the natural periods are different in the X and Y directions, and the number of ridges (5) is changed in each of the X and Y directions.
またマス（］）には固有周期を調整するため、質量増減
調整装置（６）が設けられている。Further, the mass (]) is provided with a mass increase/decrease adjustment device (6) in order to adjust the natural period.
更に前記マス（１）と基盤（２）との間にダンパー装置
（７）が介装されている。Furthermore, a damper device (7) is interposed between the mass (1) and the base (2).
同ダンパー装置（７）は前記マス（１）の中心より垂設
された軸桿（８）の先端に固着された円板（９）を、基
盤（２）上に配設された容器（１０）に填装された粘性
体０１）内に浸漬して構成され、前記円板（９）に対す
る粘性抵抗によってマスダンパー自体の振動を低減する
ものである。The damper device (7) has a disc (9) fixed to the tip of a shaft (8) vertically disposed from the center of the mass (1), and a container (10) disposed on the base (2). ) is immersed in a viscous body 01) loaded in the disk (9), and the vibration of the mass damper itself is reduced by the viscous resistance against the disk (9).
前記のように構成されたマスダンパーは、例えば構造物
の最上層の梁（１２）に取付けられるものであって、前
記マスダンパーを振動させることによって、構造物の振
動を小さくし、居住性を向上するものである。The mass damper configured as described above is installed, for example, on a beam (12) on the top layer of a structure, and by vibrating the mass damper, vibration of the structure is reduced and livability is improved. It will improve.
而して前記マス（１）は梁（１２）上に、積層ゴム（３
）を介して重量を支持されているので、摩擦やかたつき
がなく、図示のマスダンパーは微小な振動に対しても有
効に作動するものである。The mass (1) has a laminated rubber (3) on the beam (12).
), so there is no friction or stiffness, and the illustrated mass damper operates effectively even against minute vibrations.
図中（１２１は下階の梁、（１３）は社である。In the figure (121 is the beam of the lower floor, (13) is the shrine.
（発明の効果）
本発明に係るマスダンパーにおいては前記したように、
マスが基盤上に積層ゴムで支承されているので、摩擦が
なく、がたつきがないため、微小な振動でも有効に働く
ものである。(Effect of the invention) As described above, in the mass damper according to the present invention,
Since the mass is supported by laminated rubber on the base, there is no friction and no rattling, so it works effectively even with minute vibrations.
また前記マスとその４周に配設された剛体との間にばね
が介装されているので、マスの重量を調整するとともに
、同ばねの本数等を調整することによって、マスダンパ
ーの固有周期を調節しうるものである。In addition, since a spring is interposed between the mass and the rigid body arranged around the four circumferences of the mass, the natural period of the mass damper can be adjusted by adjusting the weight of the mass and the number of springs. can be adjusted.
更に前記マスと基盤との間にダンパー装置が介装されて
いることによって、マスダンパー自体の振動が減少され
るものである。Furthermore, since a damper device is interposed between the mass and the base, vibrations of the mass damper itself are reduced.
更にまた本発明のマスダンパーは構成が簡単でコストを
大幅に節減しうるものである。Furthermore, the mass damper of the present invention is simple in construction and can significantly reduce costs.
請求項２の発明は、前記ダンパー装置を前記基盤上に配
設された容器に充填された粘性体４弓こ、前記マスより
垂設された軸枠先端の円板を浸漬して構成したことによ
って、同円板の粘性抵抗によってマスダンパー自体の振
動が低減されるものである。The invention according to claim 2 is characterized in that the damper device is constructed by immersing four viscous bodies filled in a container disposed on the base, and a disk at the tip of the shaft frame hanging down from the mass. The vibration of the mass damper itself is reduced by the viscous resistance of the disc.
第１図は本発明に係る微振動用マスダンパーの一実施例
を示す正面図、第２図はそ平面圀、第３図はダンパー装
置の横断平面図、第４図は第３図の矢視■−ＩＶ図、第
５図は前記微振動用マスダンパーの取付状態を示す正面
図、第６図は従来のマスダンパーの斜視図である。
（１）・・・マス、 （２）・・・基盤、（３
）・・・積層ゴＪ１、 （４）・・・バットレス、
（５）・・・ばね、 （７）・・・ダンパー
装置、（８）・・・軸棒、 （９）・・・円板
、（１０）・・・容器、 （１１）・・・粘性体
。Fig. 1 is a front view showing an embodiment of the mass damper for micro-vibration according to the present invention, Fig. 2 is a horizontal plane view, Fig. 3 is a cross-sectional plan view of the damper device, and Fig. 4 is an arrow shown in Fig. 3. View II-IV and FIG. 5 are front views showing the mounting state of the micro-vibration mass damper, and FIG. 6 is a perspective view of the conventional mass damper. (1)...Mass, (2)...Base, (3
)... Laminated Go J1, (4)... Buttress,
(5) Spring, (7) Damper device, (8) Shaft, (9) Disc, (10) Container, (11) Viscosity body.
Claims (1)
盤上の剛体と前記マスの４周とを水平ばねで支持し、前
記マスの中心部と前記基盤との間にダンパー装置を介装
してなることを特徴とする微振動用マスダンパー。 ２、前記ダンパー装置は、前記基盤上に配設された容器
に充填された粘性体中に、前記マスより垂設された軸桿
先端の円板を浸漬して構成された請求項１記載の微振動
用マスダンパー。[Claims] 1. A mass is supported on a base by laminated rubber, and a rigid body on the base and four circumferences of the mass are supported by horizontal springs, and between the center of the mass and the base A mass damper for micro-vibration, characterized in that a damper device is interposed in the micro-vibration mass damper. 2. The damper device according to claim 1, wherein the damper device is constructed by immersing a disc at the tip of a shaft vertically disposed from the mass into a viscous material filled in a container disposed on the base. Mass damper for micro vibrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4574490A JPH03249443A (en) | 1990-02-28 | 1990-02-28 | Microvibration mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4574490A JPH03249443A (en) | 1990-02-28 | 1990-02-28 | Microvibration mass damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03249443A true JPH03249443A (en) | 1991-11-07 |
Family
ID=12727830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4574490A Pending JPH03249443A (en) | 1990-02-28 | 1990-02-28 | Microvibration mass damper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03249443A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5410845A (en) * | 1992-02-14 | 1995-05-02 | Kajima Corporation | Vibration control device for structure |
| JP2006250300A (en) * | 2005-03-11 | 2006-09-21 | Oiles Ind Co Ltd | Laminated rubber body with incorporated lead plug |
| JP2011033194A (en) * | 2010-10-19 | 2011-02-17 | Oiles Corp | Laminated rubber body containing lead plug |
| JP2015222090A (en) * | 2014-05-22 | 2015-12-10 | 株式会社ディスコ | Damping mechanism and grinding apparatus |
| JP2016023516A (en) * | 2014-07-24 | 2016-02-08 | 飛島建設株式会社 | Ground vibration reducing device and ground vibration reducing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54144561A (en) * | 1978-05-02 | 1979-11-10 | Imamura Seisakusho Kk | Method of controlling vibrating matter |
| JPS63297673A (en) * | 1987-05-28 | 1988-12-05 | 鹿島建設株式会社 | Dynamic vibration reducing roof |
-
1990
- 1990-02-28 JP JP4574490A patent/JPH03249443A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54144561A (en) * | 1978-05-02 | 1979-11-10 | Imamura Seisakusho Kk | Method of controlling vibrating matter |
| JPS63297673A (en) * | 1987-05-28 | 1988-12-05 | 鹿島建設株式会社 | Dynamic vibration reducing roof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5410845A (en) * | 1992-02-14 | 1995-05-02 | Kajima Corporation | Vibration control device for structure |
| JP2006250300A (en) * | 2005-03-11 | 2006-09-21 | Oiles Ind Co Ltd | Laminated rubber body with incorporated lead plug |
| JP2011033194A (en) * | 2010-10-19 | 2011-02-17 | Oiles Corp | Laminated rubber body containing lead plug |
| JP2015222090A (en) * | 2014-05-22 | 2015-12-10 | 株式会社ディスコ | Damping mechanism and grinding apparatus |
| JP2016023516A (en) * | 2014-07-24 | 2016-02-08 | 飛島建設株式会社 | Ground vibration reducing device and ground vibration reducing method |
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