JP2001165234A - Tuned mass damper - Google Patents

Tuned mass damper

Info

Publication number
JP2001165234A
JP2001165234A JP34775299A JP34775299A JP2001165234A JP 2001165234 A JP2001165234 A JP 2001165234A JP 34775299 A JP34775299 A JP 34775299A JP 34775299 A JP34775299 A JP 34775299A JP 2001165234 A JP2001165234 A JP 2001165234A
Authority
JP
Japan
Prior art keywords
mass
tuned mass
mass damper
flexural
vibrator
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
Application number
JP34775299A
Other languages
Japanese (ja)
Inventor
Kimitaka Yamashita
仁崇 山下
Yasuhiro Otake
康宏 大竹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daiwa House Industry Co Ltd
Original Assignee
Daiwa House Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daiwa House Industry Co Ltd filed Critical Daiwa House Industry Co Ltd
Priority to JP34775299A priority Critical patent/JP2001165234A/en
Publication of JP2001165234A publication Critical patent/JP2001165234A/en
Pending legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Floor Finish (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a tuned mass damper easily adjusting the period of moving a mass in a wide range and facilitating the installation work at a site. SOLUTION: The mass 5 is attached in the center in the length direction of a deflection vibrating element 4 composed of a steel material, the deflection vibrating element 4 is provided with frequency adjusting mechanisms 6, 6 deflecting the vibrating element 4, and the deflecting vibrating element 4 is upward deflected into a projection by the frequency adjusting mechanisms 6, 6 so that the period of moving the mass 5 can be adjusted into small or large. A member 11 is a spring elastic body made of rubber or the like.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、床などの振動抑制
に用いられるチューンドマスダンパーに関する。
The present invention relates to a tuned mass damper used for suppressing vibration of a floor or the like.

【0002】[0002]

【従来の技術】チューンドマスダンパーは、マスの揺れ
の周期を制振対象物の揺れの周期と同じに設定し、制振
対象物の揺れとマスの揺れとを共振させることで、制振
対象物の揺れを抑制しようとするものであることは、よ
く知られているところである。
2. Description of the Related Art A tuned mass damper sets a vibration period of a mass to be the same as a vibration period of an object to be damped, and resonates the vibration of the object to be damped and the vibration of the mass to resonate. It is well known that an attempt is made to suppress the shaking of an object.

【0003】このチューンドマスダンパーを例えば床の
振動抑制に用いる場合の構成例として、図6(イ)に示
すように、H形鋼からなる床梁51のウェブ51aに板
バネ52を両側方に突出するよう貫通させ、板バネ52
の両端にマス53,53を設けたものがある。板バネ5
2とウェブ51aとの間にはゴム等のバネ弾性体54が
介在されている。また、図6(ロ)に示すように、H形
鋼からなる床梁61の上下のフランジ61a,61a間
に、マス62,62を上下に動くように備えさせた形式
のものもある。63はバネ弾性体である。
As an example of a configuration in which this tuned mass damper is used, for example, for suppressing vibration of a floor, as shown in FIG. 6A, a leaf spring 52 is provided on both sides of a web 51a of a floor beam 51 made of H-section steel. The plate spring 52
Are provided with masses 53 at both ends. Leaf spring 5
A spring elastic body 54 such as rubber is interposed between the web 2 and the web 51a. Further, as shown in FIG. 6 (b), there is also a type in which masses 62, 62 are provided between upper and lower flanges 61a, 61a of a floor beam 61 made of H-section steel so as to move up and down. 63 is a spring elastic body.

【0004】[0004]

【発明が解決しようとする課題】ところで、チューンド
マスダンパーは、制振対象物の揺れの周期とマスの動く
周期とがうまく一致しなければ制振作用を起こさないも
のであり、従って、設計段階でこれらの周期を一致させ
る精密な設計を行えばよいのであるが、それには限界が
あり、チューンドマスダンパーを現場に実際に設置する
と、マスの動く周期と制振対象物の振動の周期とがうま
く一致しないことが起こる。
By the way, the tuned mass damper does not produce a vibration damping action unless the period of the vibration of the object to be damped and the period of the movement of the mass match well. However, there is a limit to this, but if a tuned mass damper is actually installed on the site, the period of the mass movement and the period of the vibration of the object to be damped will be reduced. Mismatches occur.

【0005】そのような場合、マス53,62の重量を
調整したり、バネ弾性体54,63をバネ定数の異なる
他のバネ弾性体と交換する、などの調整方法もあるが、
これらによる調整作業は非常に厄介であり、調整できる
範囲も限られている。また、これらの調整作業を含め、
現場でのダンパー据え付け作業はかなり厄介である。
In such a case, there are adjustment methods such as adjusting the weight of the masses 53 and 62 and replacing the spring elastic members 54 and 63 with another spring elastic member having a different spring constant.
The adjustment work by these is very troublesome, and the adjustable range is limited. Also, including these adjustments,
On-site installation of dampers is rather cumbersome.

【0006】本発明は、上記のような問題点に鑑み、マ
スの動く周期を広い範囲にわたって容易に調整すること
ができ、しかも、現場での設置作業も容易に行うことが
できる構造のチューンドマスダンパーを提供することを
課題とする。
SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a tuned mass having a structure capable of easily adjusting the moving period of the mass over a wide range, and which can be easily installed on site. It is an object to provide a damper.

【0007】[0007]

【課題を解決するための手段】上記の課題は、それ自身
のバネ弾性で撓み振動を行う撓み振動体が備えられ、こ
の撓み振動体にマスが設けられ、撓み振動体を撓ませる
振動数調整機構が備えられ、この振動数調整機構は撓み
振動体に備えられ、この振動数調整機構にて撓み振動体
を撓ませることで、マスの動く周期が大小調整されるも
のとなされていることを特徴とするチューンドマスダン
パーによって解決される。
The object of the present invention is to provide a flexural vibrator which flexibly vibrates by its own spring elasticity, a mass is provided on the flexural vibrator, and a frequency adjustment for flexing the flexural vibrator. A mechanism is provided, and this frequency adjustment mechanism is provided in the flexural vibrator, and by flexing the flexural vibrator with the frequency adjustment mechanism, the period in which the mass moves is adjusted in size. Solved by the characteristic tuned mass damper.

【0008】即ち、このチューンドマスダンパーでは、
マスを撓み振動体に取り付け、この撓み振動体を撓ませ
ることで、マスの動く周期を調整しようとするものであ
り、従って、撓み振動体を振動数調整機構にて撓ませる
だけの簡単な操作を行うだけで、マスの動く周期を広い
範囲にわたって容易に大小調整することができる。
That is, in this tuned mass damper,
The mass is attached to the flexural vibrator and the flexural vibrator is flexed to adjust the moving period of the mass. Therefore, a simple operation of flexing the flexural vibrator by the frequency adjustment mechanism is performed. By simply performing the above operation, it is possible to easily adjust the moving cycle of the mass over a wide range.

【0009】加えて、振動数調整機構は撓み振動体に備
えさせているから、撓み振動体の撓み振動が振動数調整
機構によって妨げられることはなく、撓み振動体を拘束
なく自由に撓み振動させることができ、しかも、撓み振
動体を現場に設置するだけで、同時に振動数調整機構も
設置され、施工を容易に行うことができる。
In addition, since the frequency adjusting mechanism is provided in the flexural vibrator, the flexural vibration of the flexural vibrator is not hindered by the frequency adjusting mechanism, and the flexural vibrator is flexibly vibrated without restriction. By simply installing the flexural vibrator at the site, a frequency adjusting mechanism is also installed at the same time, so that construction can be performed easily.

【0010】[0010]

【発明の実施の形態】次に、本発明のチューンドマスダ
ンパーを床振動抑制用に構成した場合の実施形態を図面
に基づいて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment in which the tuned mass damper of the present invention is configured to suppress floor vibration will be described with reference to the drawings.

【0011】図1に示す第1実施形態において、1は
床、2,2は床1を受ける床梁でH形鋼からなる。そし
て、3がチューンドマスダンパーである。
In the first embodiment shown in FIG. 1, 1 is a floor, and 2 and 2 are floor beams for receiving the floor 1, which are made of H-shaped steel. 3 is a tuned mass damper.

【0012】チューンドマスダンパー3は、隣り合う床
梁2,2の間にわたせる長さ寸法の撓み振動体4を備え
ている。撓み振動体4は、リップ溝形鋼4a,4aを、
その背面側を向き合わせるように組み合わせて構成され
ている棒状材からなっており、その長さ方向中央部の上
面にマス5が固着されている。
The tuned mass damper 3 includes a flexural vibrator 4 having a length extending between adjacent floor beams 2. The flexural vibrator 4 includes lip channel steels 4a, 4a,
It is made of a rod-shaped material that is assembled so that the back sides face each other, and the mass 5 is fixed to the upper surface at the center in the length direction.

【0013】そして、撓み振動体4のマス5を挟む両側
に、振動数調整機構6,6が備えられている。これら振
動数調整機構6,6は、互いに協力しあって、撓み振動
体4の長さ方向の中央部を上に凸に撓ませるもので、各
振動数調整機構6は、次のように構成されている。
On both sides of the mass 5 of the flexural vibrating body 4, frequency adjusting mechanisms 6 and 6 are provided. These frequency adjusting mechanisms 6 and 6 cooperate with each other to bend the central portion in the longitudinal direction of the flexural vibrator 4 so as to protrude upward. Each of the frequency adjusting mechanisms 6 is configured as follows. Have been.

【0014】即ち、撓み振動体4を構成するリップ溝形
鋼4a,4aの上下の面にそれぞれ、アングル材などに
よる保持片7,8が、これらリップ溝形鋼4a,4aに
わたすようにして固着されている。上側の保持片7は、
撓み振動体4の端部寄りに位置して固着され、下側の保
持片8はそれよりも中央部寄りに位置して固着されてい
る。そして、リップ溝形鋼4a,4a間には、鋼線、P
C線などからなる線材9が、これら保持片7,8を貫通
するようにして、斜め向きに通されている。この線材9
の両端にはネジが形成され、これらネジに締付け用の雌
ネジ部材14,14が螺合されている。撓み振動体4
は、両振動数調整機構6,6の線材9,9の端部に螺合
させた締付け用雌ネジ部材14を締めていくことによ
り、その中央部が上に凸に撓み変形されていく。
That is, holding pieces 7 and 8 made of an angle material or the like are respectively provided on the upper and lower surfaces of the lip channel steels 4a and 4a constituting the flexural vibrator 4 so as to pass over the lip channel steels 4a and 4a. It is fixed. The upper holding piece 7
The holding member 8 on the lower side is fixed closer to the center than it is located near the end of the bending vibration body 4. And between the lip channel steels 4a, 4a, a steel wire, P
A wire 9 made of a C line or the like is obliquely passed through the holding pieces 7 and 8. This wire 9
Are formed at both ends thereof, and female screw members 14, 14 for screwing are screwed to these screws. Flexural vibrator 4
By tightening the female screw member for screwing 14 screwed to the ends of the wires 9, 9 of the two frequency adjusting mechanisms 6, 6, the central portion thereof is bent upward and deformed.

【0015】上記のチューンドマスダンパー3は、撓み
振動体4の両端を、隣り合う床梁2,2の下フランジ2
aの上面に支承させ、固着金物10にて下フランジ2a
を上下方向から挟み込んで両床梁2,2に連結されてい
る。そして、マス5と床1との間には、ゴムなどによる
バネ弾性体11が介設されている。
The above-mentioned tuned mass damper 3 is constructed such that both ends of the flexural vibrator 4 are connected to the lower flanges 2 of the adjacent floor beams 2.
a on the upper surface of the lower flange 2a
Is connected to both floor beams 2 and 2 by being sandwiched from above and below. A spring elastic body 11 made of rubber or the like is interposed between the mass 5 and the floor 1.

【0016】マス5の上下方向の揺れの周期の調整は、
両振動数調整機構6,6の線材9,9の端部に螺合させ
た締付け用雌ネジ部材14を締め付け、撓み振動体4の
中央部を上方に撓ませていくことで行える。撓み振動体
4の中央部を上方に大きく撓ませていけばいくほど、マ
ス5の上下方向の揺れの周期は短くなっていく。床1の
上下方向の揺れの周期と、マス5の上下方向の揺れの周
期とが一致するように雌ネジ部材14の締付けの程度を
調整することで、床1の上下方向の振動をチューンドマ
スダンパー3にて抑制できる状態となる。
Adjustment of the period of the vertical swing of the mass 5 is as follows.
This can be performed by tightening the female screw member for screwing 14 screwed to the ends of the wires 9, 9 of the both frequency adjusting mechanisms 6, 6, and bending the central portion of the bending vibration body 4 upward. The more vertically the central portion of the flexural vibration member 4 is flexed upward, the shorter the period of the vertical swing of the mass 5 becomes. By adjusting the degree of tightening of the female screw member 14 so that the vertical period of the floor 1 and the vertical period of the mass 5 coincide with each other, the vertical vibration of the floor 1 can be reduced by the tuned mass. The damper 3 is in a state where it can be suppressed.

【0017】上記のチューンドマスダンパー3では、こ
れを床梁2,2にわたすように、床下に設置し、両振動
数調整機構6,6の線材9,9の端部に螺合させた締付
け用雌ネジ部材14を締め付け、撓み振動体4の中央部
を上方に撓ませていくという簡単な操作を行うだけで、
床1の上下方向の揺れの周期と、マス5の上下方向の揺
れの周期とを一致させることができ、しかも、その調整
の幅もかなり広く、床1の上下方向の揺れの周期とマス
5の上下方向の揺れの周期と間に開きがあるような場合
であっても、その開きを縮めて一致させることができ
る。加えて、据え付けは、チューンドマスダンパー3の
撓み振動体4の両端を床梁2,2に連結し、バネ弾性体
11をマス5と床1との間に介設するだけの施工でよ
く、設置作業を容易に遂行することができる。既設の床
下に対しても、チューンドマスダンパー3は施工容易に
据え付けられ、マス5の振動数の調整も容易に行える。
なお、撓み振動体4を予め振動数調整機構6にて撓ませ
ておき、こうして撓ませた撓み振動体4を床下に据え付
ける施工としてもよい。
In the above-mentioned tuned mass damper 3, it is installed under the floor so as to extend over the floor beams 2, 2, and is screwed to the ends of the wires 9, 9 of the two frequency adjusting mechanisms 6, 6. Only by performing a simple operation of tightening the female screw member for use 14 and bending the central portion of the bending vibration body 4 upward,
The vertical period of the floor 1 and the vertical period of the mass 5 can be made to coincide with each other, and the adjustment range is considerably wide. Even if there is an opening between the vertical swing period and the opening, the opening can be shortened and made to match. In addition, the installation may be performed only by connecting both ends of the flexural vibrator 4 of the tuned mass damper 3 to the floor beams 2 and 2 and interposing the spring elastic body 11 between the mass 5 and the floor 1. Installation work can be easily performed. The tuned mass damper 3 can be easily installed under the existing floor, and the frequency of the mass 5 can be easily adjusted.
In addition, the bending vibration body 4 may be bent in advance by the frequency adjustment mechanism 6, and the bending vibration body 4 thus bent may be installed under the floor.

【0018】図2に示す第2実施形態のチューンドマス
ダンパー3では、撓み振動体4がH形鋼からなる。本実
施形態の振動数調整機構6は、このH形鋼4の長手方向
の中央部下面に回転突っ張り棒12を下向きに垂設し、
この突っ張り棒12の下端部に2本のワイヤー13,1
3の端部を連結し、これらワイヤー13,13を斜め上
方に延ばし、マス5を挟む両側の位置においてH形鋼4
と連結した構成のものである。突っ張り棒12を回転す
ることによって、ワイヤー13,13が突っ張り棒12
に巻き付いていき、これによって、撓み振動体4は突っ
張り棒12を突っ張りとして上に凸に撓み変形してい
く。なお、この振動数調整機構6における突っ張り棒1
2は、撓み振動体4を必要な程度に撓ませたのち、逆転
防止手段にて、不本意な戻り回転をしないように固定さ
れることはいうまでもない。
In the tuned mass damper 3 of the second embodiment shown in FIG. 2, the bending vibrator 4 is made of H-section steel. The frequency adjusting mechanism 6 according to the present embodiment is configured such that a rotating strut rod 12 is vertically provided on a lower surface of a central portion of the H-section steel 4 in a longitudinal direction,
Two wires 13, 1 are attached to the lower end of the strut rod 12.
3 are connected to each other, and these wires 13 and 13 are extended obliquely upward.
It is of a configuration linked to. By rotating the strut 12, the wires 13, 13 are connected to the strut 12.
As a result, the flexural vibrator 4 flexes and deforms upwardly convexly with the tension bar 12 as a tension. The strut 1 in the frequency adjusting mechanism 6
Needless to say, after the bending vibration body 4 is bent to a necessary degree, the rotation preventing means 2 is fixed by the reverse rotation preventing means so as to prevent unintentional return rotation.

【0019】図3に示す第3実施形態のチューンドマス
ダンパー3は、撓み振動体4が、複数枚の板バネ4b…
を重ね合わせて構成されている。振動数調整機構6,6
は、第1実施形態のタイプのものが用いられている。図
4に示す第3実施形態のチューンドマスダンパー3は、
撓み振動体4が同じく複数枚の板バネ4b…を重ね合わ
せて構成されているが、振動数調整機構6として第2実
施形態のタイプのものが用いられている。
In the tuned mass damper 3 of the third embodiment shown in FIG. 3, the bending vibrator 4 includes a plurality of leaf springs 4b.
Are superimposed. Frequency adjustment mechanism 6,6
Is of the type of the first embodiment. The tuned mass damper 3 of the third embodiment shown in FIG.
The flexural vibrating body 4 is also formed by laminating a plurality of leaf springs 4b..., But the type of the frequency adjusting mechanism 6 of the second embodiment is used.

【0020】図5に示す第5実施形態のチューンドマス
ダンパー3は、撓み振動体4がH形鋼からなる。振動数
調整機構6,6は、第1実施形態のタイプのものと似て
いるが、線材9,9の締付け位置を変更できる構成とな
っている。即ち、線材を保持する上下の保持片7,8
が、撓み振動体4の上下のフランジ4c,4dにそれぞ
れ長手方向にスライドできるように取り付けられてい
る。これにより、線材9,9の締付け位置を、保持片
7,8をスライドさせて、撓み振動体4の長手方向に適
宜に変更していくことができ、マス5の振動数の調整範
囲をより一層広いものにすることができる。なお、線材
9の締付け傾斜角度を調整できるよう、対をなす保持片
7,8の相対位置関係を変更できる構成となされていて
もよい。
In the tuned mass damper 3 of the fifth embodiment shown in FIG. 5, the bending vibrator 4 is made of H-shaped steel. The frequency adjusting mechanisms 6, 6 are similar to those of the type of the first embodiment, but have a configuration in which the tightening position of the wires 9, 9 can be changed. That is, the upper and lower holding pieces 7, 8 for holding the wire material
Are attached to upper and lower flanges 4c and 4d of the flexural vibrator 4 so as to be slidable in the longitudinal direction, respectively. Thereby, the tightening position of the wires 9, 9 can be changed appropriately in the longitudinal direction of the bending vibrating body 4 by sliding the holding pieces 7, 8, and the adjustment range of the frequency of the mass 5 can be further improved. It can be wider. Note that the relative positional relationship between the pair of holding pieces 7 and 8 may be changed so that the tightening inclination angle of the wire 9 can be adjusted.

【0021】以上に、本発明の実施形態を示したが、本
発明のこれに限られるものではなく、発明思想を逸脱し
ない範囲で、各種変更が可能である。例えば、撓み振動
体として、上記の実施形態ではいくつかの例を示してい
るが、その他、鋼管材などの各種パイプ材、各種棒状
材、各社板状材など、それ自身のバネ弾性で撓み振動を
行う態様の各種撓み振動体が用いられてよい。また、振
動数調整機構についても、撓み振動体を撓ませる各種態
様の調整機構が用いられてよい。また、バネ弾性体11
も種々のものが用いられてよい。また、撓み振動体を一
端固定、他端フリーの片持ち状態にして制振を行う構成
となされていてもよい。またそれに応じて、撓み振動体
に対するマスの取付け位置も適宜に選択されてよい。ま
た、本発明のチューンドマスダンパーは、床以外の各種
構造物の制振に広く用いられてよいものであることはい
うまでもない。また、本発明のチューンドマスダンパー
は、撓み振動体を縦向きにし、水平方向の振動を抑制す
るダンパーとして構成されていてもよい。
Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, as the flexural vibrator, some examples are shown in the above embodiment. In addition, various types of pipe materials such as steel pipe materials, various rod-shaped materials, and various company plate-shaped materials, and the like, flexural vibration due to its own spring elasticity. Various types of flexural vibrators in a mode of performing the above may be used. Also, as the frequency adjustment mechanism, various types of adjustment mechanisms that bend the flexural vibrator may be used. Also, the spring elastic body 11
Various types may be used. Further, a configuration may be made in which the bending vibration body is fixed at one end and free from the other end in a cantilever state to perform vibration suppression. In addition, the mounting position of the mass with respect to the flexural vibrator may be appropriately selected accordingly. In addition, it goes without saying that the tuned mass damper of the present invention may be widely used for damping various structures other than the floor. In addition, the tuned mass damper of the present invention may be configured as a damper in which the bending vibrator is vertically oriented to suppress horizontal vibration.

【0022】[0022]

【発明の効果】上述の次第で、本発明のチューンドマス
ダンパーは、上記のような構成を有するものであるか
ら、マスの動く周期を広い範囲にわたって容易に調整す
ることができ、しかも、現場での設置作業も容易に行う
ことができる。
As described above, since the tuned mass damper of the present invention has the above-described configuration, the cycle of the mass movement can be easily adjusted over a wide range, and moreover, it can be used on site. Can be easily installed.

【図面の簡単な説明】[Brief description of the drawings]

【図1】第1実施形態のチューンドマスダンパーを示す
もので、図(イ)は断面正面図、図(ロ)は図(イ)の
I−I線断面図、図(ハ)は撓み振動体を上に凸に撓ま
せた状態を示す断面正面図である。
FIG. 1 shows a tuned mass damper according to a first embodiment, wherein FIG. 1A is a sectional front view, FIG. 1B is a sectional view taken along line II of FIG. 1A, and FIG. FIG. 3 is a cross-sectional front view showing a state where the body is bent upwardly.

【図2】第2実施形態のチューンドマスダンパーを示す
もので、図(イ)は断面正面図、図(ロ)は撓み振動体
を上に凸に撓ませた状態を示す断面正面図である。
FIGS. 2A and 2B show a tuned mass damper according to a second embodiment. FIG. 2A is a cross-sectional front view, and FIG. 2B is a cross-sectional front view showing a state in which a flexural vibrator is bent upward. .

【図3】第3実施形態のチューンドマスダンパーを示す
もので、図(イ)は断面正面図、図(ロ)は撓み振動体
を上に凸に撓ませた状態を示す断面正面図である。
3A and 3B show a tuned mass damper according to a third embodiment, wherein FIG. 3A is a cross-sectional front view, and FIG. 3B is a cross-sectional front view showing a state in which a flexural vibrator is bent upward. .

【図4】第4実施形態のチューンドマスダンパーを示す
もので、図(イ)は断面正面図、図(ロ)は撓み振動体
を上に凸に撓ませた状態を示す断面正面図である。
4A and 4B show a tuned mass damper according to a fourth embodiment, wherein FIG. 4A is a cross-sectional front view, and FIG. 4B is a cross-sectional front view showing a state in which a flexible vibrator is bent upward. .

【図5】第5実施形態のチューンドマスダンパーを示す
もので、図(イ)は断面正面図、図(ロ)は図(イ)の
I−I線断面図、図(ハ)は図(イ)の要部拡大図であ
る。
5A and 5B show a tuned mass damper according to a fifth embodiment, wherein FIG. 5A is a cross-sectional front view, FIG. 5B is a cross-sectional view taken along line II of FIG. 5A, and FIG. It is a principal part enlarged view of a).

【図6】図(イ)(ロ)はそれぞれ、従来のチューンド
マスダンパーを示す断面図である。
FIGS. 6A and 6B are cross-sectional views showing a conventional tuned mass damper.

【符号の説明】[Explanation of symbols]

1…床 3…チューンドマスダンパー 4…撓み振動体 5…マス 6…振動数調整機構 DESCRIPTION OF SYMBOLS 1 ... Floor 3 ... Tuned mass damper 4 ... Flexural vibrator 5 ... Mass 6 ... Frequency adjustment mechanism

───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 2E001 DG01 FA11 GA02 GA52 GA53 GA65 GA77 HB02 LA01 LA08 LA18 3J048 AD07 BF06 CB19 DA10 EA38 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E001 DG01 FA11 GA02 GA52 GA53 GA65 GA77 HB02 LA01 LA08 LA18 3J048 AD07 BF06 CB19 DA10 EA38

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 それ自身のバネ弾性で撓み振動を行う撓
み振動体が備えられ、この撓み振動体にマスが設けら
れ、撓み振動体を撓ませる振動数調整機構が備えられ、
この振動数調整機構は撓み振動体に備えられ、この振動
数調整機構にて撓み振動体を撓ませることで、マスの動
く周期が大小調整されるものとなされていることを特徴
とするチューンドマスダンパー。
1. A flexural vibrator for performing flexural vibration by its own spring elasticity is provided, a mass is provided on the flexural vibrator, and a frequency adjusting mechanism for flexing the flexural vibrator is provided.
The frequency adjusting mechanism is provided in a flexural vibrator, and the frequency of the flexural vibrator is flexed by the frequency adjusting mechanism to adjust the moving period of the mass. Damper.
JP34775299A 1999-12-07 1999-12-07 Tuned mass damper Pending JP2001165234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34775299A JP2001165234A (en) 1999-12-07 1999-12-07 Tuned mass damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34775299A JP2001165234A (en) 1999-12-07 1999-12-07 Tuned mass damper

Publications (1)

Publication Number Publication Date
JP2001165234A true JP2001165234A (en) 2001-06-19

Family

ID=18392349

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34775299A Pending JP2001165234A (en) 1999-12-07 1999-12-07 Tuned mass damper

Country Status (1)

Country Link
JP (1) JP2001165234A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100971534B1 (en) * 2008-06-30 2010-07-21 서일대학산학협력단 Vibration control device of bottom plate structure using magnetorheological damper and damper plate
JP2010230031A (en) * 2009-03-26 2010-10-14 Tokai Rubber Ind Ltd Leaf spring suspension type damping device
CN103912070A (en) * 2013-07-29 2014-07-09 中国航空规划建设发展有限公司 Tuning mass damping device
CN113026443A (en) * 2019-12-09 2021-06-25 洛阳双瑞橡塑科技有限公司 Steel rail vibration damper

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100971534B1 (en) * 2008-06-30 2010-07-21 서일대학산학협력단 Vibration control device of bottom plate structure using magnetorheological damper and damper plate
JP2010230031A (en) * 2009-03-26 2010-10-14 Tokai Rubber Ind Ltd Leaf spring suspension type damping device
CN103912070A (en) * 2013-07-29 2014-07-09 中国航空规划建设发展有限公司 Tuning mass damping device
CN103912070B (en) * 2013-07-29 2016-03-23 中国航空规划设计研究总院有限公司 A kind of tuning quality vibration absorber
CN113026443A (en) * 2019-12-09 2021-06-25 洛阳双瑞橡塑科技有限公司 Steel rail vibration damper

Similar Documents

Publication Publication Date Title
JPS61500865A (en) Piezoelectric element blower that prevents vibration transmission
JP7254981B2 (en) damping device
JP5725331B2 (en) Beam vibration reduction mechanism
JP6382738B2 (en) Building ceiling structure
JP2001165234A (en) Tuned mass damper
JP4785518B2 (en) Building damping device
JP5337379B2 (en) Damping structure for buildings
US20060048477A1 (en) Resilient brace
KR20140067843A (en) Bi-directional pendulum-rail type vibration control device
JP4365716B2 (en) Tuned mass damper
TWI717494B (en) Parts feeder
JP2022099662A (en) Vibration suppression method and floor structure
JP4806247B2 (en) Damping structure for buildings
JPH0743003B2 (en) Dynamic vibration absorber
JP7474472B2 (en) Vibration control device
JP3293008B2 (en) Expansion joint and erection method of erection body
JP4347737B2 (en) Multiple series tuned mass damper
JP6874624B2 (en) Dynamic damper
JP2006152738A (en) Seismic isolation damper
JP4971759B2 (en) Mass damper and beam damping structure using it
JP4178468B2 (en) Residential vibration control device
JPH0331763Y2 (en)
JP2001124135A (en) Building damping device
JP2001124136A (en) Building damping device
JPH02300405A (en) Bridge

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061204

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090109

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090120

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090323

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090818