JPH0925990A - Base isolation device - Google Patents
Base isolation deviceInfo
- Publication number
- JPH0925990A JPH0925990A JP20156195A JP20156195A JPH0925990A JP H0925990 A JPH0925990 A JP H0925990A JP 20156195 A JP20156195 A JP 20156195A JP 20156195 A JP20156195 A JP 20156195A JP H0925990 A JPH0925990 A JP H0925990A
- Authority
- JP
- Japan
- Prior art keywords
- seismic isolation
- isolation device
- rolling element
- elastic rolling
- rubber
- 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)
Abstract
Description
【０００１】本発明は、地震等の振動を減衰して建築物
等の損壊を防止する免震装置、特に、美術館若しくは博
物館等の展示品又は機器類の免震のために好適な免震装
置に関する。[0001] The present invention is a seismic isolation device for attenuating vibrations such as earthquakes to prevent damage to buildings and the like, and in particular, a seismic isolation device suitable for seismic isolation of exhibits or equipment such as museums or museums. Regarding
【０００２】[0002]
【発明が解決しようとする課題】建物と基礎との間に配
されて、地震による基礎の振動を減衰して建物の損壊を
防止する免震装置としては、積層ゴムと、この積層ゴム
の中央部に挿入された円柱状鉛とを具備したものが知ら
れている。また、精密機器に対しては、実開昭６０−９
１８３２号公報に記載されているように、球面状の凹所
を下面に形成した上皿と、この上皿と同様に構成され、
上皿に対向配置された下皿と、上皿及び下皿に挟持され
た球体と、上皿及び下皿間に配された引張ばねとからな
る防振装置が提案されている。As a seismic isolation device which is arranged between a building and a foundation and which damps the vibration of the foundation due to an earthquake to prevent the building from being damaged, a laminated rubber and the center of the laminated rubber are used. It is known to have a cylindrical lead inserted in the part. In addition, for precision instruments
As described in Japanese Patent No. 1832, an upper plate having a spherical recess formed on the lower surface, and the same structure as the upper plate,
There has been proposed an anti-vibration device including a lower plate that is arranged to face the upper plate, a sphere that is sandwiched between the upper plate and the lower plate, and a tension spring that is arranged between the upper plate and the lower plate.
【０００３】ところで積層ゴムからなる免震装置におい
ては、支持する建物の荷重により、その固有振動周期が
決定されるため、例えば、美術館若しくは博物館等の展
示品又は機器類等の軽量物に対する免震に際しては、そ
の固有振動周期の長周期化が困難であって、地震等の振
動に共振する虞を有する一方、実開昭６０−９１８３２
号公報に記載の防振装置では、支持する構造物の荷重に
影響されないで、転がり振り子の原理に基づく球面状の
凹所の曲率によって、その固有振動周期が決定されるた
め、その固有振動周期の長周期化は、積層ゴムからなる
免震装置に比較して容易に達成することができるが、上
皿及び下皿に挟持される球体が剛体からなるため、振動
エネルギを効果的に減衰させるには、上述のように上皿
及び下皿間に配された引張ばね等の減衰装置を必要とす
る。By the way, in the seismic isolation device made of laminated rubber, the natural vibration period is determined by the load of the building to be supported, and therefore, for example, seismic isolation of light items such as exhibits or equipment at museums or museums, etc. In this case, it is difficult to lengthen the natural vibration period, which may cause resonance with vibration such as an earthquake.
In the vibration isolator described in the publication, the natural vibration period is determined by the curvature of the spherical recess based on the principle of the rolling pendulum, without being affected by the load of the structure to be supported. Can be easily achieved compared to the seismic isolation device made of laminated rubber, but since the sphere sandwiched between the upper plate and the lower plate is a rigid body, the vibration energy is effectively attenuated. Requires a damping device such as a tension spring arranged between the upper plate and the lower plate as described above.
【０００４】本発明は、前記諸点に鑑みてなされたもの
であって、その目的とするところは、美術館若しくは博
物館等の展示品又は機器類等の軽量物に対する免震に対
しても、固有振動周期の長周期化を容易に図り得る上
に、引張ばね等の減衰装置を特に設けなくても振動エネ
ルギを好ましく減衰させることができる免震装置を提供
することにある。The present invention has been made in view of the above points, and an object thereof is to provide a natural vibration even for seismic isolation with respect to exhibits such as museums or museums or lightweight objects such as devices. It is an object of the present invention to provide a seismic isolation device that can easily reduce the vibration energy without providing a damping device such as a tension spring in addition to easily increasing the period.
【０００５】[0005]
【課題を解決するための手段】本発明によれば前記目的
は、上部支承体と、この上部支承体に対面して配された
下部支承体と、上部支承体と下部支承体との対面する面
間に配された弾性転動体とを具備しており、弾性転動体
が転動するようにして配された上部支承体と下部支承体
との面のうち少なくとも一方の面は凹面とされている免
震装置によって達成される。According to the invention, the object is to provide an upper bearing, a lower bearing facing the upper bearing, and an upper bearing and a lower bearing. An elastic rolling element disposed between the surfaces, and at least one of the surfaces of the upper bearing and the lower bearing arranged so that the elastic rolling element rolls is a concave surface. Achieved by seismic isolation device.
【０００６】本発明においては、弾性転動体が転動する
ようにして配された上部支承体と下部支承体との面のう
ち他方の面は、凹面であってもよいが、これに代えて直
平面であってもよい。好ましい具体例では、上部支承体
は、弾性転動体が転動する上に凸な凹面を有しており、
下部支承体は、弾性転動体が転動する下に凸な凹面を有
している。凹面は、一定の曲率をもって広がっている必
要はなく、例えば、中央から周縁にかけて徐々に曲率半
径が小さくなるように形成してもよい。好ましい例で
は、凹面は、円筒面の一部であっても、又は球面の一部
であってもよい。転動体の表面形状は、それが弾性体か
らなるため、凹面の表面状態に対応して変形することが
でき、したがって凹面は極度に滑らかになっている必要
はない。上部支承体及び下部支承体は、通常、金属製で
あるが、弾性転動体を用いる本発明の免震装置の場合に
は、弾性転動体の弾性変形により支圧分布が広がるた
め、合成樹脂製又は木製であってもよい。In the present invention, the other surface of the upper bearing member and the lower bearing member arranged so that the elastic rolling element rolls may be concave, but instead of this, It may be a straight plane. In a preferred embodiment, the upper bearing has an upward convex concave surface on which the elastic rolling element rolls,
The lower bearing has a downward convex surface on which the elastic rolling element rolls. The concave surface does not need to spread with a constant curvature, and may be formed so that the radius of curvature gradually decreases from the center to the peripheral edge, for example. In a preferred example, the concave surface may be part of a cylindrical surface or part of a spherical surface. The surface shape of the rolling element can be deformed according to the surface condition of the concave surface because it is made of an elastic body, and therefore the concave surface does not need to be extremely smooth. The upper bearing and the lower bearing are usually made of metal, but in the case of the seismic isolation device of the present invention using elastic rolling elements, since the bearing pressure distribution is widened by elastic deformation of the elastic rolling elements, it is made of synthetic resin. Alternatively, it may be made of wood.
【０００７】弾性転動体は、円柱状又は球状部材であっ
てもよく、また、場合により、これらの中空体からなっ
ていてもよい。弾性転動体を構成する弾性材料として
は、ニトリルブチレンゴム（ＮＢＲ）、クロロプレンゴ
ム（ＣＲ）、スチレンブルチルゴム（ＳＢＲ）、ウレタ
ンゴム、天然ゴム、シリコンゴム等を好ましいものとし
て挙げることができるが、その他のものであってもよ
く、硬度としては、ＩＲＨ（Ｉｎｔｅｒｎａｔｉｏｎａ
ｌ Ｒｕｂｂｅｒ Ｈａｒｄｎｅｓｓ）単位でＨｓＡ５
０からＨｓＡ７０の範囲のものが好ましく、この範囲内
において、荷重及び弾性転動体の形状構造等により適宜
選択するのがよい。弾性転動体としては、全体が上記の
ような弾性材料から構成されていてもよいが、これに代
って、芯部材と、この芯部材の外周面を覆って設けられ
た被覆部材とを具備し、芯部材を例えば鋼などの金属製
又は高硬度ゴム若しくは樹脂製とし、被覆部材をゴム製
として弾性転動体を構成してもよく、また、芯部材と、
この芯部材の外周面を覆って設けられた繊維補強樹脂層
と、この繊維補強樹脂層の外周面を覆って設けられた被
覆部材とを具備し、芯部材をゴム製とし、被覆部材もま
たゴム製として弾性転動体を構成してもよい。繊維補強
樹脂層の形成材料としては、ガラス、カーボン、アラミ
ド樹脂等を挙げることができる。なお、上記の芯部材と
しては、円柱状又は球状であっても、また中空体であっ
てもよい。The elastic rolling element may be a cylindrical or spherical member, or may be a hollow element of these, depending on the case. Preferable examples of the elastic material forming the elastic rolling element include nitrile butylene rubber (NBR), chloroprene rubber (CR), styrene butyl rubber (SBR), urethane rubber, natural rubber, and silicon rubber. , The hardness may be IRH (Internationala).
L Rubber Hardness) in units of HsA5
It is preferably in the range of 0 to HsA70, and within this range, it may be appropriately selected depending on the load and the shape structure of the elastic rolling element. The elastic rolling element may be made entirely of the elastic material as described above, but instead of this, a core member and a covering member provided to cover the outer peripheral surface of the core member are provided. However, the core member may be made of metal such as steel or made of high hardness rubber or resin, and the elastic rolling element may be made of a cover member made of rubber.
A fiber-reinforced resin layer provided so as to cover the outer peripheral surface of the core member, and a covering member provided so as to cover the outer peripheral surface of the fiber-reinforced resin layer, wherein the core member is made of rubber, and the covering member is also The elastic rolling element may be made of rubber. Examples of the material for forming the fiber-reinforced resin layer include glass, carbon, and aramid resin. The core member may be cylindrical or spherical, or may be a hollow body.
【０００８】本発明の免震装置は、上述した振り子の原
理を採用するため、支持する荷重に関係なしに、長周期
化を図り得て、支持する構造物を免震化することができ
るので、美術館若しくは博物館等の展示品又は機器類等
の軽量物の免震のために特に好適に用いることができ
る。Since the seismic isolation device of the present invention adopts the above-mentioned pendulum principle, it is possible to lengthen the period and to seismically isolate the supporting structure regardless of the supporting load. It can be used particularly preferably for seismic isolation of lightweight objects such as exhibits in museums or museums, or equipment.
【０００９】本発明の免震装置では、上部支承体上に支
持すべき構造物が載置され固定され、下部支承体が建物
の基礎又は床等に固定される。建物の基礎又は床等が地
震によって振動されると、弾性転動体が上部支承体と下
部支承体との対面する面間で転動し、上部支承体と下部
支承体との間に相対変位を生じさせ、上部支承体への振
動入力を減衰し、転動中の弾性転動体の若干の変形によ
り、内部減衰の小さい材料で弾性転動体が形成されてい
ても、振動エネルギを効果的に減衰する。また、本免震
装置では、振り子の原理を利用したものであるため、支
持する荷重に影響されることなしに、固有振動周期を長
周期化することができ、軽荷重の構造物を効果的に免震
させ得る。更に本免震装置では、弾性転動体が若干変形
するため、振動入力振幅（加速度）の依存性が大きく、
小さな振動入力では、高い剛性を示し、大きな振動入力
では、低い剛性を示すようになる。In the seismic isolation apparatus of the present invention, the structure to be supported is placed and fixed on the upper support, and the lower support is fixed to the foundation or floor of the building. When the foundation or floor of the building is vibrated by an earthquake, the elastic rolling element rolls between the facing surfaces of the upper and lower bearings, causing relative displacement between the upper and lower bearings. The vibration input to the upper bearing is dampened and the elastic energy is effectively damped even if the elastic rolling element is formed of a material with small internal damping due to slight deformation of the elastic rolling element during rolling. To do. In addition, since the seismic isolation device uses the principle of the pendulum, the natural vibration period can be lengthened without being affected by the load to be supported, making it effective for structures with light loads. Can be seismically isolated. Furthermore, in this seismic isolation device, since the elastic rolling elements are slightly deformed, the dependence of the vibration input amplitude (acceleration) is large
A small vibration input shows high rigidity, and a large vibration input shows low rigidity.
【００１０】[0010]
【発明の実施の形態】次に本発明の実施の形態を、図に
示す好ましい実施例に基づいて更に詳細に説明する。な
お、本発明はこれら実施例に何等限定されないのであ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described in more detail with reference to the preferred embodiments shown in the drawings. The present invention is not limited to these examples.
【００１１】[0011]
【実施例】図１において、本例の免震装置１は、鉄製の
上部支承体２と、上部支承体２に対面して配された鉄製
の下部支承体３と、上部支承体２と下部支承体３との対
面する面４及び５間に配されたスチレンブルチルゴム製
のＩＲＨ単位でＨｓＡ６０の球状部材からなる弾性転動
体６とを具備しており、転動体６が転動するようにして
配された上部支承体２と下部支承体３との面４及び５に
おいて、面４は上に凸な球状凹面とされており、面５は
下に凸な球状凹面とされている。本例では、凹面として
形成された面４及び５のそれぞれは、曲率が一定の球面
の一部からなる。なお本例の弾性転動体６の直径として
は４０ｍｍを採用したが、本発明はこれに限定されな
い。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a seismic isolation device 1 of the present embodiment comprises an upper support 2 made of iron, a lower support 3 made of iron arranged facing the upper support 2, an upper support 2 and a lower part. Equipped with an elastic rolling element 6 made of a spherical member of HsA60 made of styrene brutile rubber, which is arranged between the surfaces 4 and 5 facing the support body 3, so that the rolling element 6 rolls. In the surfaces 4 and 5 of the upper support body 2 and the lower support body 3 arranged as described above, the surface 4 is a spherical concave surface convex upward and the surface 5 is a spherical concave surface convex downward. In this example, each of the surfaces 4 and 5 formed as concave surfaces is a part of a spherical surface having a constant curvature. Although 40 mm is adopted as the diameter of the elastic rolling element 6 in this example, the present invention is not limited to this.
【００１２】以上のような免震装置１は、下部支承体３
が建物の基礎又は床等１１に固定され、上部支承体２上
に基台等１２の支持すべき構造物が載置され、この基台
等１２に展示品又は機器類等の軽量物が載置されて、使
用される。そして建物の基礎又は床等１１が地震によっ
て水平方向（Ｈ方向）に振動されると、弾性転動体６が
上部支承体２と下部支承体３との対面する面４及び５間
で転動し、上部支承体２と下部支承体３との間に相対変
位を生じさせ、上部支承体２への振動入力を減衰し、鉛
直荷重に基づく転動中の弾性転動体６の若干の変形によ
り、弾性転動体６の転がり抵抗が増加し、内部減衰の小
さい材料で弾性転動体６が形成されていても、また、特
別なダンパを設けなくても、この抵抗により振動エネル
ギを効果的に減衰する。また、本免震装置１では、振り
子の原理を利用したものであるため、その固有振動周期
Ｔは、面４及び５の曲率半径をｒ、重力加速度をｇとす
ると、原理的には、Ｔ2＝４π2（２ｒ／ｇ）で与えられ
る結果、支持する荷重に影響されることなしに、固有振
動周期を長周期化することができ、軽荷重の構造物を効
果的に免震することができる。The seismic isolation device 1 as described above includes the lower support 3
Is fixed to the foundation or floor 11 of the building, and the structure to be supported by the base 12, etc. is placed on the upper support 2, and the lightweight products such as exhibits or equipment are placed on the base 12, etc. Placed and used. When the building foundation or floor 11 is vibrated in the horizontal direction (H direction) by the earthquake, the elastic rolling element 6 rolls between the surfaces 4 and 5 of the upper bearing 2 and the lower bearing 3 facing each other. , By causing relative displacement between the upper bearing 2 and the lower bearing 3 to damp the vibration input to the upper bearing 2 and slightly deforming the elastic rolling element 6 during rolling due to vertical load, The rolling resistance of the elastic rolling element 6 increases, and even if the elastic rolling element 6 is formed of a material having a small internal damping, and even if no special damper is provided, this resistance effectively damps the vibration energy. . Since the seismic isolation apparatus 1 uses the principle of a pendulum, its natural vibration period T is theoretically T when the radius of curvature of the surfaces 4 and 5 is r and the gravitational acceleration is g. As a result of being given by 2 = 4π 2 (2r / g), the natural vibration period can be lengthened without being affected by the supporting load, and the structure with light load can be effectively isolated. You can
【００１３】更に免震装置１では、上述したように鉛直
荷重により弾性転動体６が若干変形するため、振動入力
振幅の依存性が大きく、小さな振動入力では、高い剛性
を示し、大きな振動入力では、低い剛性を示し、いわゆ
るトリガ効果をも期待し得る。Further, in the seismic isolation device 1, since the elastic rolling element 6 is slightly deformed by the vertical load as described above, the dependency of the vibration input amplitude is large, and the small vibration input shows high rigidity and the large vibration input. However, it exhibits low rigidity, and a so-called trigger effect can be expected.
【００１４】なお、上記例では凹面４及び５を球面の一
部から、また弾性転動体６を球状部材からそれぞれ形成
したが、これらをそれぞれ円筒面の一部から、また円柱
状部材から形成してもよく、円筒面の一部から又は円柱
状部材から形成した場合には、免震装置１は方向性を有
することになるが、ここで方向性が問題となる場合に
は、このような方向性を有する免震装置１を多段に重ね
合わせて、方向性をなくすようにして用いてもよい。ま
た、凹面４及び５のいずれか一方を球面の一部から、他
方を円筒面の一部又は直平面から形成してもよく、更に
凹面４の球面又は円筒面の曲率と凹面５の球面又は円筒
面の曲率とを互いに同じにする必要はなく、相互に異な
らせてもよい。また、上記例では中実の弾性転動体６を
用いたが、適度な弾性伸縮をなすように、弾性転動体６
を中空体で形成してもよい。本発明では、上述のよう
に、上部支承体２及び下部支承体３を鉄で形成する代わ
りに、合成樹脂又は木等で形成してもよい。In the above example, the concave surfaces 4 and 5 are formed from a part of the spherical surface, and the elastic rolling element 6 is formed from a spherical member. However, these are formed from a part of the cylindrical surface and a cylindrical member, respectively. Alternatively, if the seismic isolation device 1 has directionality when formed from a part of the cylindrical surface or from a columnar member, if the directionality becomes a problem here, The seismic isolation devices 1 having directivity may be stacked in multiple stages to eliminate the directivity. Further, one of the concave surfaces 4 and 5 may be formed from a part of a spherical surface, and the other may be formed from a part of a cylindrical surface or a straight surface. Further, the spherical surface of the concave surface 4 or the curvature of the cylindrical surface and the spherical surface of the concave surface 5 or The curvatures of the cylindrical surfaces do not have to be the same as each other, and may be different from each other. Further, although the solid elastic rolling element 6 is used in the above-mentioned example, the elastic rolling element 6 is formed so as to perform appropriate elastic expansion and contraction.
May be formed as a hollow body. In the present invention, as described above, the upper support body 2 and the lower support body 3 may be formed of synthetic resin, wood, or the like, instead of being formed of iron.
【００１５】また図２に示すように、免震装置１を基台
等１２の下部に複数個（図２に示す例では基台等１２の
四隅に各一個、合計４個）設けて免震システム３１を構
成してもよい。本例の免震システム３１でも、上記と同
様な効果を得ることができる。As shown in FIG. 2, a plurality of seismic isolation devices 1 are provided below the base 12, etc. (one in each of the four corners of the base 12 in the example shown in FIG. 2, a total of four) to provide seismic isolation. The system 31 may be configured. The seismic isolation system 31 of this example can also achieve the same effects as above.
【００１６】更に、図３及び図４に示すように、弾性転
動体６を形成してもよい。図３に示す弾性転動体６は、
金属球又は高硬度のゴム若しくは樹脂球からなる球状の
芯部材４１と、芯部材４１の外周面を覆って設けられた
ゴム製の被覆部材４２とを具備して、球状に形成されて
おり、図４に示す弾性転動体６は、ゴム球からなる芯部
材５１と、芯部材５１の外周面を覆って設けられたガラ
ス、カーボン、アラミド樹脂等からなる繊維補強樹脂層
５２と、繊維補強樹脂層５２の外周面を覆って設けられ
たゴム製の被覆部材５３とを具備して、球状に形成され
ている。図３及び図４に示す弾性転動体６を適宜用いる
ことにより最適な免震効果を得ることができる。Further, as shown in FIGS. 3 and 4, elastic rolling elements 6 may be formed. The elastic rolling element 6 shown in FIG.
A spherical core member 41 made of a metal sphere or a rubber or resin sphere having a high hardness, and a rubber covering member 42 provided to cover the outer peripheral surface of the core member 41, are formed in a spherical shape, The elastic rolling element 6 shown in FIG. 4 includes a core member 51 made of a rubber ball, a fiber-reinforced resin layer 52 made of glass, carbon, aramid resin or the like provided to cover the outer peripheral surface of the core member 51, and a fiber-reinforced resin. A spherical covering member 53 is provided to cover the outer peripheral surface of the layer 52 and a rubber covering member 53. Optimal seismic isolation can be obtained by appropriately using the elastic rolling elements 6 shown in FIGS. 3 and 4.
【００１７】[0017]
【発明の効果】以上のように本発明によれば、美術館若
しくは博物館等の展示品又は機器類等の軽量物に対する
免震に対しても、固有振動周期の長周期化を容易に図り
得る上に、引張ばね等の減衰装置を特に設けなくても振
動エネルギを好ましく減衰させることができる。As described above, according to the present invention, it is possible to easily lengthen the natural vibration period even with respect to the seismic isolation of a light article such as an exhibit or a device such as a museum or a museum. In addition, it is possible to preferably damp vibration energy without providing a damping device such as a tension spring.
【図１】本発明の好ましい一実施例の断面図である。FIG. 1 is a cross-sectional view of a preferred embodiment of the present invention.
【図２】本発明の好ましい他の実施例の断面図である。FIG. 2 is a cross-sectional view of another preferred embodiment of the present invention.
【図３】弾性転動体の他の好ましい実施例の断面説明図
である。FIG. 3 is a cross-sectional explanatory view of another preferred embodiment of the elastic rolling element.
【図４】弾性転動体の更に他の好ましい実施例の断面説
明図である。FIG. 4 is a sectional explanatory view of still another preferred embodiment of the elastic rolling element.
１ 免震装置 ２ 上部支承体 ３ 下部支承体 ４、５ 面 ６ 弾性転動体 1 seismic isolation device 2 upper bearing 3 lower bearing 4, 5 surface 6 elastic rolling element
Claims (11)
て配された下部支承体と、上部支承体と下部支承体との
対面する面間に配された弾性転動体とを具備しており、
弾性転動体が転動するようにして配された上部支承体と
下部支承体との面のうち少なくとも一方の面は凹面とさ
れている免震装置。1. An upper bearing, a lower bearing arranged to face the upper bearing, and an elastic rolling element arranged between the surfaces of the upper bearing and the lower bearing facing each other. And
A seismic isolation device in which at least one of the surfaces of the upper bearing and the lower bearing arranged so that the elastic rolling element rolls is a concave surface.
に凸な凹面を有している請求項１に記載の免震装置。2. The seismic isolation device according to claim 1, wherein the upper support member has a concave surface that is upwardly convex on which the elastic rolling element rolls.
に凸な凹面を有している請求項１又は２に記載の免震装
置。3. The seismic isolation device according to claim 1, wherein the lower support has a downward convex surface on which the elastic rolling element rolls.
請求項１から３のいずれか一項に記載の免震装置。4. The seismic isolation device according to claim 1, wherein the concave surface is a part of a cylindrical surface or a spherical surface.
項１から４のいずれか一項に記載の免震装置。5. The seismic isolation device according to claim 1, wherein the elastic rolling element is a cylindrical member.
１から４のいずれか一項に記載の免震装置。6. The seismic isolation device according to claim 1, wherein the elastic rolling element is a spherical member.
から６のいずれか一項に記載の免震装置。7. The elastic rolling element comprises a hollow body.
7. The seismic isolation device according to any one of 1 to 6.
外周面を覆って設けられた被覆部材とを具備しており、
芯部材が金属製又は高硬度のゴム若しくは樹脂製であ
り、被覆部材がゴム製である請求項１から７のいずれか
一項に記載の免震装置。8. The elastic rolling element comprises a core member and a covering member provided to cover an outer peripheral surface of the core member,
The seismic isolation device according to any one of claims 1 to 7, wherein the core member is made of metal or high hardness rubber or resin, and the covering member is made of rubber.
外周面を覆って設けられた繊維補強樹脂層と、この繊維
補強樹脂層の外周面を覆って設けられた被覆部材とを具
備しており、芯部材がゴム製であり、被覆部材がゴム製
である請求項１から７のいずれか一項に記載の免震装
置。9. The elastic rolling element includes a core member, a fiber-reinforced resin layer provided to cover the outer peripheral surface of the core member, and a covering member provided to cover the outer peripheral surface of the fiber-reinforced resin layer. The seismic isolation device according to any one of claims 1 to 7, wherein the seismic isolation device comprises a core member made of rubber and a covering member made of rubber.
くとも一方は、金属製、合成樹脂製又は木製である請求
項１から９のいずれか一項に記載の免震装置。10. The seismic isolation device according to claim 1, wherein at least one of the upper support and the lower support is made of metal, synthetic resin, or wood.
機器類の免震のために使用される請求項１から１０のい
ずれか一項に記載の免震装置。11. The seismic isolation device according to claim 1, wherein the seismic isolation device is used for seismic isolation of an exhibit or equipment such as an art museum or a museum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20156195A JPH0925990A (en) | 1995-07-14 | 1995-07-14 | Base isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20156195A JPH0925990A (en) | 1995-07-14 | 1995-07-14 | Base isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0925990A true JPH0925990A (en) | 1997-01-28 |
Family
ID=16443101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20156195A Pending JPH0925990A (en) | 1995-07-14 | 1995-07-14 | Base isolation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0925990A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10299775A (en) * | 1997-03-26 | 1998-11-10 | Pfeiffer Vacuum Gmbh | Vibration damping device for rotor supported by magnetic bearing mechanism |
| JP2001032568A (en) * | 1999-07-23 | 2001-02-06 | Oiles Ind Co Ltd | Fire resisting device for vibration isolation device |
| WO2003093585A1 (en) * | 2002-04-28 | 2003-11-13 | Liping Jiang | An seismic isolator |
| JP2004132176A (en) * | 2004-02-02 | 2004-04-30 | Tatsuji Ishimaru | Damping configuration for structure |
| JP2007327563A (en) * | 2006-06-08 | 2007-12-20 | Best Solutions:Kk | Isolation system |
| JPWO2006090506A1 (en) * | 2005-02-23 | 2008-07-24 | 規久男 杉田 | Fall prevention sheet |
| JP2010037870A (en) * | 2008-08-07 | 2010-02-18 | Edoken-Kohsyo Co Ltd | Shock-absorbing floor structure and shock-absorbing unit |
| JP2013257026A (en) * | 2012-06-14 | 2013-12-26 | Tokkyokiki Corp | Vibration damping device |
-
1995
- 1995-07-14 JP JP20156195A patent/JPH0925990A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10299775A (en) * | 1997-03-26 | 1998-11-10 | Pfeiffer Vacuum Gmbh | Vibration damping device for rotor supported by magnetic bearing mechanism |
| JP2001032568A (en) * | 1999-07-23 | 2001-02-06 | Oiles Ind Co Ltd | Fire resisting device for vibration isolation device |
| WO2003093585A1 (en) * | 2002-04-28 | 2003-11-13 | Liping Jiang | An seismic isolator |
| JP2004132176A (en) * | 2004-02-02 | 2004-04-30 | Tatsuji Ishimaru | Damping configuration for structure |
| JPWO2006090506A1 (en) * | 2005-02-23 | 2008-07-24 | 規久男 杉田 | Fall prevention sheet |
| US8182910B2 (en) | 2005-02-23 | 2012-05-22 | Kikuo Sugita | Tip-resistant sheet for standing articles |
| JP2007327563A (en) * | 2006-06-08 | 2007-12-20 | Best Solutions:Kk | Isolation system |
| JP2010037870A (en) * | 2008-08-07 | 2010-02-18 | Edoken-Kohsyo Co Ltd | Shock-absorbing floor structure and shock-absorbing unit |
| JP2013257026A (en) * | 2012-06-14 | 2013-12-26 | Tokkyokiki Corp | Vibration damping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101701810B1 (en) | Seismic equipment | |
| EP0583868B1 (en) | Vibration damping device | |
| JPH0925990A (en) | Base isolation device | |
| KR100635478B1 (en) | Rolling pendulum bearing with low friction | |
| JPH08240033A (en) | Base isolation structure | |
| JP2001090775A (en) | Friction damper for base isolation | |
| JPH09184542A (en) | Base isolation device | |
| JPH04113046A (en) | Vibration-proof device | |
| JPH0434247A (en) | Base isolation element | |
| JPH0791106A (en) | Vibration-damping apparatus | |
| JP2016056875A (en) | Seismic base isolation structure with vibration control function | |
| JP2001041283A (en) | Three-dimensional base isolation device | |
| JPH0914346A (en) | Base isolation device | |
| JP2002115415A (en) | Rotational center designation type rocking mechanism, and structural system utilizing its mechanism | |
| JPH022995Y2 (en) | ||
| JPS62188834A (en) | Vibration damping supporter | |
| JPH0266249A (en) | Floor structure | |
| JP2000104420A (en) | Base isolation structure | |
| JP3131271B2 (en) | Anti-vibration bearing | |
| JP2552406B2 (en) | Vertical damping system for large-scale structures | |
| JP2024090144A (en) | Vibration-damping structure | |
| JPH03228940A (en) | Vibration proof supporting device | |
| JPH069261Y2 (en) | Anti-vibration / seismic isolation device | |
| JPH1068215A (en) | Floor base isolation construction | |
| JPS63265082A (en) | Earthquakeproof structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040127 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040326 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040518 |