JPH02292545A - Damping device - Google Patents
Damping deviceInfo
- Publication number
- JPH02292545A JPH02292545A JP11438589A JP11438589A JPH02292545A JP H02292545 A JPH02292545 A JP H02292545A JP 11438589 A JP11438589 A JP 11438589A JP 11438589 A JP11438589 A JP 11438589A JP H02292545 A JPH02292545 A JP H02292545A
- Authority
- JP
- Japan
- Prior art keywords
- hanging
- hunging
- vibration
- frame
- vibrating body
- 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
- 238000013016 damping Methods 0.000 title claims description 12
- 238000005452 bending Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 abstract description 20
- 230000003292 diminished effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は塔状構造物，高層ビル等の振動を制御する制振
装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a vibration damping device for controlling vibrations of tower-like structures, high-rise buildings, etc.
［従来の技術］ 従来の制振装置は第４図に示すように構成されていた。[Conventional technology] A conventional vibration damping device was constructed as shown in FIG.
第４図において、１は振動体である。In FIG. 4, 1 is a vibrating body.
この振動体１は吊り枠３より、曲げ剛性のない吊り材９
により懸垂されている。さらに、上記吊り枠３は曲げ剛
性のない吊り材９により構造物４により懸垂されている
。上記構造物４と吊り枠３の下端部間，振動体１と上記
吊り枠３の下端部間にはダンバ６が介装される。上記構
造物４と吊り枠３の下端部間，振動体１と上記吊り枠３
の下端部間には、必要に応じてばね７が介装されていた
。This vibrating body 1 is attached to a hanging member 9 with no bending rigidity from the hanging frame 3.
suspended by. Further, the hanging frame 3 is suspended from the structure 4 by hanging members 9 having no bending rigidity. A damper 6 is interposed between the structure 4 and the lower end of the hanging frame 3, and between the vibrating body 1 and the lower end of the hanging frame 3. Between the structure 4 and the lower end of the hanging frame 3, the vibrating body 1 and the hanging frame 3
A spring 7 was interposed between the lower ends of the spring 7 as necessary.
上記のような構成により構造物４に振動が発生すると、
ダンバ６及びばね７、吊り枠３を介して、上記構造物４
の振動が振動体１に伝達され、振動体１が振動する。こ
の振動体１の振動により、構造物４の振動が抑制される
。When vibration occurs in the structure 4 due to the above configuration,
The structure 4 is attached to the structure 4 via the damper 6, spring 7, and hanging frame 3.
The vibration is transmitted to the vibrating body 1, and the vibrating body 1 vibrates. The vibration of the vibrating body 1 suppresses the vibration of the structure 4.
［発明が解決しようとする問題点〕
第４図に示す従来の割振装置においては、ダンバ及びば
ねの作用点は吊り材９の再下部であるために、振動体や
吊り枠が大きく振動する。このため、ダンバ６やばね７
は大きいストロークを有することが必要とされる。[Problems to be Solved by the Invention] In the conventional allocation device shown in FIG. 4, the points of action of the dampers and springs are at the lower part of the hanging member 9, so that the vibrating body and the hanging frame vibrate greatly. For this reason, the damper 6 and spring 7
is required to have a large stroke.
本発明は上記の点に鑑みてなされたもので、その目的は
ストロークの小さいダンバやばね等の制振部材を用いて
塔状構造物，高層ビル等の振動を制御する制振装置を提
供することにある。The present invention has been made in view of the above points, and its purpose is to provide a vibration damping device that controls vibrations of tower-like structures, high-rise buildings, etc. using vibration damping members such as dampers and springs with small strokes. There is a particular thing.
［問題点を解決するための手段］
振動が抑制される構造体と、この構造物から一端が回動
自在に支持された曲げ剛性を有する複数の第１の吊り材
と、上記複数の吊り材の他端に回動自在に支持された吊
り枠と、この吊り枠に一端が回動自在に支持され、他端
が振動体に回動自在に支持された複数の第２の吊り材と
、上記第１の吊り材の上記一端側近辺と上記構造物間，
上記第２の吊り材の上記一端側近辺と上記吊り枠間に設
けられたストローク可変手段とを備えた制振装置である
。[Means for solving the problem] A structure in which vibration is suppressed, a plurality of first hanging members having bending rigidity and one end rotatably supported from the structure, and the plurality of hanging members described above. a hanging frame rotatably supported at the other end; a plurality of second hanging members having one end rotatably supported by the hanging frame and the other end rotatably supported by the vibrating body; between the vicinity of the one end of the first hanging material and the structure;
The damping device includes a stroke variable means provided near the one end of the second hanging member and between the hanging frame.
［作用コ
構造物の振動を吊り材，吊り枠を介して振動体に伝達さ
せる場合に、構造物と吊り材，吊り材と吊り枠間に介装
されるストローク可変手段を吊り点に近い位置に取り付
けるようにしたものである。[Action] When transmitting the vibration of the structure to the vibrating body via the hanging material or hanging frame, the stroke variable means interposed between the structure and the hanging material, or between the hanging material and the hanging frame, should be placed close to the hanging point. It was designed to be attached to.
［実施例］
以下図面を参照して本発明の一実施例に係わる制振装置
について説明する。第１図において、１は振動体である
。この振動体１は構造物４の振動を抑制するために振動
されるものである。この振動体１の両端部は曲げ剛性を
有する吊り材２．２の一端で、ビンジョイント５．５に
よりあらゆる方向に回動自在に支持される。また、上記
吊り材２，２′の他端部はピンジョイント５，５により
吊り枠３に回動自在に支持される。この吊り枠３はコの
字状をしており、上記吊り材２，２′の上記他端部の近
傍と上記吊り枠３間には構造物４の振動エネルギーを吸
収するためのダンパ６及び必要に応じて振り子の周波数
を決定するためのばね７が介装されている。[Example] A vibration damping device according to an example of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a vibrating body. This vibrating body 1 is vibrated in order to suppress the vibration of the structure 4. Both ends of the vibrating body 1 are ends of a hanging member 2.2 having bending rigidity, and are supported by a bin joint 5.5 so as to be rotatable in all directions. Further, the other ends of the hanging members 2, 2' are rotatably supported by the hanging frame 3 through pin joints 5, 5. This hanging frame 3 has a U-shape, and a damper 6 for absorbing the vibration energy of the structure 4 is provided between the hanging frame 3 and the vicinity of the other end of the hanging members 2, 2'. A spring 7 is interposed to determine the frequency of the pendulum if necessary.
さらに、上記吊り枠３の両端部は曲げ剛性を有する吊り
材２，２′の一端で、ピンジョイント５，５によりあら
ゆる方向に回動自在に支持される。Further, both ends of the hanging frame 3 are ends of the hanging members 2, 2' having bending rigidity, and are supported by pin joints 5, 5 so as to be rotatable in all directions.
また、上記吊り材２，２′の他端部はピンジョイント５
，５により構造物４に支持される。上記吊り材２，２′
の上記他端部の近傍と上記吊り枠３間には構造物４の振
動エネルギーを吸収するためのダンバ６及び必要に応じ
て振り子の周波数を決定するためのばね７が介装されて
いる。In addition, the other end of the hanging members 2, 2' is a pin joint 5.
, 5 is supported by the structure 4. Above hanging material 2, 2'
A damper 6 for absorbing the vibration energy of the structure 4 and a spring 7 for determining the frequency of the pendulum as necessary are interposed between the hanging frame 3 and the vicinity of the other end.
次に、上記のように構成された本発明の一実施例の動作
について説明する。まず、．構造物４が振動すると、振
動体１は吊り点Ｂを支点として、吊り枠３は吊り点Ａを
支点として振動する。つまり、上記振動体１及び吊り枠
３は単振り子運動をする。Next, the operation of an embodiment of the present invention configured as described above will be explained. first,. When the structure 4 vibrates, the vibrating body 1 vibrates with the suspension point B as the fulcrum, and the suspension frame 3 vibrates with the suspension point A as the fulcrum. That is, the vibrating body 1 and the hanging frame 3 perform a single pendulum motion.
ここで、構造物４と吊り祠２及び吊り枠３と吊り材２′
の相対変位は吊り点ＡあるいはＢに近いほど小さくなる
。このため、構造物４と吊り材２，吊り枠３と吊り材２
′との間に取り付けたダンバ６及びばね７のストローク
は小さいもので済ますことができる。Here, the structure 4, the hanging shrine 2, the hanging frame 3, and the hanging material 2'
The relative displacement becomes smaller as it approaches the hanging point A or B. For this reason, the structure 4 and the hanging material 2, the hanging frame 3 and the hanging material 2
The strokes of the damper 6 and spring 7 installed between the two can be small.
次に、第３図を参照して本発明の他の実施例について説
明する。この他の実施例は第１図のダンバ６及びばね７
の代わりに自動制御で作動する加振機８を構造物４と吊
り材２及び吊り枠３と吊り材２′間に配置した例である
。この他の実施例によれば、加振機８のストロークが小
さい場合でも、振動体１に大きい振幅を与えることがで
きる。つまり、構造物４の振動を検出して加振機８のス
トロークを制御することにより、構造物４の振動を振動
体１の振動エネルギーにより吸収するようにしている。Next, another embodiment of the present invention will be described with reference to FIG. Other embodiments include the damper 6 and spring 7 shown in FIG.
This is an example in which a vibrating machine 8 that operates under automatic control is arranged between the structure 4 and the hanging material 2, and between the hanging frame 3 and the hanging material 2'. According to this other embodiment, even when the stroke of the vibrator 8 is small, a large amplitude can be given to the vibrating body 1. That is, by detecting the vibration of the structure 4 and controlling the stroke of the vibrator 8, the vibration of the structure 4 is absorbed by the vibration energy of the vibrator 1.
［発明の効果］
以上詳述したように本発明によれば、吊り材に両端部が
ピンで支持された曲げ剛性を有する棒状部材を用い、構
造物と吊り材，吊り枠と吊り材間の各吊り点近くにダン
バや必要に応じてばねを配置することで、ストロークの
短いダンバやばねで多きな振幅を…せる制振装置を提供
することができる。さらに、ダンバに自動制御すること
ができる加振機を配置すると、短いストロークの加振機
で多きな振幅を振動体に与えることができる。[Effects of the Invention] As described in detail above, according to the present invention, a rod-shaped member having bending rigidity whose both ends are supported by pins is used as a hanging material, and the connection between the structure and the hanging material, and between the hanging frame and the hanging material is By arranging a damper or a spring as necessary near each hanging point, it is possible to provide a vibration damping device that can generate a large amplitude with a damper or spring with a short stroke. Furthermore, if a vibrator that can be automatically controlled is placed on the damper, a large amplitude can be applied to the vibrating body with a short stroke vibrator.
第１図は本発明の一実施例に係わる割振装置の構造を示
す図、第２図は同制振装置が動作した状態を示す図、第
３図は本発明の他の実施例を示す構成図、第４図は従来
の制振装置の構造を示す図である。
１・・・振動体、２・・・吊り材、３・・・吊り枠、４
・・・構造物、５・・・ピンジョイント、６・・・ダン
バ、７・・・ばね、８・・・加振機。
出願人 代理人 弁理士 鈴江 武彦
１槓勤体FIG. 1 is a diagram showing the structure of a vibration damping device according to an embodiment of the present invention, FIG. 2 is a diagram showing the vibration damping device in operation, and FIG. 3 is a diagram showing the structure of another embodiment of the present invention. 4 are diagrams showing the structure of a conventional vibration damping device. 1... Vibrating body, 2... Hanging material, 3... Hanging frame, 4
... structure, 5 ... pin joint, 6 ... damper, 7 ... spring, 8 ... vibrator. Applicant Agent Patent Attorney Takehiko Suzue
Claims (1)
自在に支持された曲げ剛性を有する複数の第１の吊り材
と、上記複数の吊り材の他端に回動自在に支持された吊
り枠と、この吊り枠に一端が回動自在に支持され、他端
が振動体に回動自在に支持された複数の第２の吊り材と
、上記第１の吊り材の上記一端側近辺と上記構造物間、
上記第２の吊り材の上記一端側近辺と上記吊り枠間に設
けられたストローク可変手段とを具備したことを特徴と
する制振装置。a structure in which vibration is suppressed; a plurality of first hanging members having bending rigidity rotatably supported at one end from the structure; and a plurality of first hanging members rotatably supported at the other end of the plurality of hanging members. a plurality of second hanging members, one end of which is rotatably supported by the hanging frame and the other end of which is rotatably supported by a vibrating body; and the one end side of the first hanging member. Nearby and between the above structures,
A vibration damping device comprising a stroke variable means provided near the one end of the second hanging member and between the hanging frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11438589A JPH02292545A (en) | 1989-05-08 | 1989-05-08 | Damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11438589A JPH02292545A (en) | 1989-05-08 | 1989-05-08 | Damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02292545A true JPH02292545A (en) | 1990-12-04 |
Family
ID=14636349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11438589A Pending JPH02292545A (en) | 1989-05-08 | 1989-05-08 | Damping device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02292545A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06264960A (en) * | 1993-03-09 | 1994-09-20 | Kajima Corp | Vibration damping device of pendulum type |
| JP2014177999A (en) * | 2013-03-15 | 2014-09-25 | Mitsubishi Heavy Ind Ltd | Long period vibration control device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231735A (en) * | 1985-08-05 | 1987-02-10 | Nippon Kokan Kk <Nkk> | Two-node pendulum type vibration absorber |
| JPH01131353A (en) * | 1987-11-12 | 1989-05-24 | Ishikawajima Harima Heavy Ind Co Ltd | Folding pendulum type dynamic vibration reducer |
-
1989
- 1989-05-08 JP JP11438589A patent/JPH02292545A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231735A (en) * | 1985-08-05 | 1987-02-10 | Nippon Kokan Kk <Nkk> | Two-node pendulum type vibration absorber |
| JPH01131353A (en) * | 1987-11-12 | 1989-05-24 | Ishikawajima Harima Heavy Ind Co Ltd | Folding pendulum type dynamic vibration reducer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06264960A (en) * | 1993-03-09 | 1994-09-20 | Kajima Corp | Vibration damping device of pendulum type |
| JP2014177999A (en) * | 2013-03-15 | 2014-09-25 | Mitsubishi Heavy Ind Ltd | Long period vibration control device |
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