JPH0598786A - Vibration-absorber of room floor in building - Google Patents
Vibration-absorber of room floor in buildingInfo
- Publication number
- JPH0598786A JPH0598786A JP26210391A JP26210391A JPH0598786A JP H0598786 A JPH0598786 A JP H0598786A JP 26210391 A JP26210391 A JP 26210391A JP 26210391 A JP26210391 A JP 26210391A JP H0598786 A JPH0598786 A JP H0598786A
- Authority
- JP
- Japan
- Prior art keywords
- spherical
- building
- floor
- hemispherical
- slab
- 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.)
- Granted
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Floor Finish (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は電算機室、計測室、美術
工芸品の展示室等、建物室内の床で、地震時に対する水
平振動を嫌う用途の床組に適用される建物室内床の免震
装置に係るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor of a building room, such as a computer room, a measurement room, an exhibition room for arts and crafts, and a floor of a building room that is used for floor vibration for the purpose of avoiding horizontal vibration during an earthquake. It relates to seismic isolation devices.
【0002】[0002]
【従来の技術】従来のこの種の免震装置においては、コ
イルばね、空気ばね、ボールベアリング、積層ゴム等を
使用した床構造を支持する免震構造に、オイルダンパ
ー、板ばね、粘性ダンパー、ラバースプリング等の緩衝
装置を組合わせて免震機能が発揮されるように構成され
ている。2. Description of the Related Art In the conventional seismic isolation device of this type, an oil damper, a leaf spring, a viscous damper, a seismic isolation structure for supporting a floor structure using a coil spring, an air spring, a ball bearing, a laminated rubber, etc. It is configured so that the seismic isolation function is exhibited by combining a shock absorbing device such as a rubber spring.
【0003】[0003]
【発明が解決しようとする課題】前記従来装置は、床構
造を支承する装置部分と、緩衝装置との組合せによって
免震機能を発揮するようにした構造で、装置が高価で、
同装置の設置のためには、高度の施工精度が要求され
る。本発明は前記従来技術の有する問題点に鑑みて提案
されたもので、その目的とする処は、構造が簡略化さ
れ、施工が容易な建物内床の免震装置を提供する点にあ
る。The above-mentioned conventional device has a structure in which a seismic isolation function is exerted by combining a device portion supporting a floor structure and a shock absorber, and the device is expensive,
A high degree of construction accuracy is required for the installation of this device. The present invention has been proposed in view of the above problems of the prior art, and an object of the present invention is to provide a seismic isolation device for an internal floor that has a simplified structure and is easy to construct.
【0004】[0004]
【課題を解決するための手段】前記の目的を達成するた
め、本発明に係る建物内床の免震装置は、頂面が球状凹
曲成に形成され、球面状下底面には半球状だぼ穴が設け
られ、且つ下部に重錘が設けられたローリング金物にお
ける前記だぼ穴を、建物躯体のスラブ面に突設した半球
状だぼに滑動自在に嵌合するとともに、前記頂部球状凹
曲面に床支持架構の下面に突設された半球状金物を滑動
自在に支持し、前記ローリング金物とスラブとの間に弾
機を介装して構成されている。In order to achieve the above object, a seismic isolation device for a building inner floor according to the present invention has a top surface formed into a spherical concave curve and a spherical lower bottom surface having a hemispherical shape. The dowel hole in the rolling hardware having the dowel hole and the weight at the bottom is slidably fitted to the hemispherical dowel projecting on the slab surface of the building frame, and the top spherical recess is provided. The curved surface supports a hemispherical metal object projectingly provided on the lower surface of the floor support frame in a slidable manner, and an ammunition machine is interposed between the rolling hardware and the slab.
【0005】[0005]
【作用】本発明によれば前記したように、床構造支持体
が球状凹曲面に形成された頂面と、球面状下底面に半球
状だぼ穴を有する本体の下部に重錘が設けられた、それ
自体である程度の復元性を有するローリング金物を使用
して、同金物の半球状だぼ穴に建物躯体のスラブ面に突
設した半球状だぼを滑動自在に嵌合した下部ヒンジ構造
と前記頂部球状面に床支持架構の下面に突設された半球
状金物を滑動自在に支持して上部ヒンジ機構とのダブル
ヒンジ機構により、床支持架構が水平振動に対してあら
ゆる方向に自由に移動しうるとともに、前記ローリング
金物自体の有する復元力が発揮され、且つ同復元力がロ
ーリング金物とスラブとの間に介装された弾機によって
増幅され、免震機能が発揮される。According to the present invention, as described above, the floor structure support has a top surface formed into a spherical concave curved surface, and a weight is provided below the main body having a hemispherical dowel hole in the spherical lower bottom surface. Also, using a rolling hardware having a certain degree of resilience by itself, a lower hinge structure in which the hemispherical dowel protruding from the slab surface of the building body is slidably fitted in the hemispherical dowel hole of the hardware. And the top spherical surface slidably supports a hemispherical metal object protruding from the lower surface of the floor support frame, and the double hinge mechanism with the upper hinge mechanism allows the floor support frame to freely move in any direction against horizontal vibration. While being movable, the restoring force of the rolling hardware itself is exerted, and the restoring force is amplified by the ammunition inserted between the rolling hardware and the slab to exert the seismic isolation function.
【0006】[0006]
【実施例】以下本発明を図示の実施例について説明す
る。Aは鋼製のローリング金物で、図4に示すように頂
部球状凹曲面1に形成され、球面状下底面2に半球状だ
ぼ穴3が設けられた中空の円錐状主体の下部に鋳鉄製の
重錘4が配設され、前記金物自体が起き上り小法師の原
理で図5に示す如く、あらゆる方向に亘って復元性を有
するものである。図中5は前記ローリング金物Aの中空
部である。The present invention will be described below with reference to the illustrated embodiments. A is a steel rolling hardware, which is formed on the top spherical concave curved surface 1 as shown in FIG. 4, and is made of cast iron at the bottom of a hollow conical main body having a spherical lower bottom surface 2 provided with a hemispherical dowel hole 3. The weight 4 is provided, and the metal itself rises up and has resilience in all directions as shown in FIG. In the figure, 5 is a hollow part of the rolling hardware A.
【0007】同ローリング金物Aは建物躯体Bに設けた
凹部内に配設され、同凹部内底部のスラブ面に配設され
た定盤6に突設された半球状だぼ7に滑動自在に嵌合さ
れ、頂部球状凹曲面1に、床パネル8の支持架構を構成
する床板受鉄骨フレーム9より垂設された半球状金物1
0が滑動自在に支持されている。前記ローリング金物A
には互いに直交する2方向に水平支持腕11が突設さ
れ、同各支持腕11と前記定盤6との間にコイルばねの
如き弾機12が介装されている。The rolling hardware A is disposed in a recess provided in the building frame B, and is slidably mounted on a hemispherical dowel 7 projecting from a surface plate 6 disposed on the slab surface at the bottom of the recess. A hemispherical metal fitting 1 that is fitted and hung vertically from the floor plate steel frame 9 that constitutes the support frame of the floor panel 8 on the top spherical concave curved surface 1.
0 is slidably supported. The rolling hardware A
Horizontal support arms 11 are provided so as to project in two directions orthogonal to each other, and an ammunition 12 such as a coil spring is interposed between each of the support arms 11 and the surface plate 6.
【0008】なお前記のように構成された免震床装置の
周辺と建物躯体Bとの間にはエキスパンシヨンジヨイン
ト13が設けられている。図中14はすべり板、15は
弾機ずれ止め金具、16は定盤6の定着用アンカーボル
トである。図示の実施例は前記したように構成されてい
るので、前記ローリング金物Aの半球状だぼ穴3と定盤
6の半球状だぼ7との嵌合部によって構成された下部ヒ
ンジ機構と、前記ローリング金物Aの頂部球状凹曲面1
における床板受鉄骨フレーム9の半球状金物10支持部
によって構成された上部ヒンジ機構とのダブルヒンジ機
構によって、地震時における水平振動に対して床支持機
構があらゆる方向に移動しうるとともに、ローリング金
物A自体の有する復元力が発揮され、同復元力が前記弾
機12によって増幅され、床の水平振動の低減が図ら
れ、免震機能が発揮されるものである。An expansion joint 13 is provided between the periphery of the seismic isolation floor device constructed as described above and the building frame B. In the figure, reference numeral 14 is a sliding plate, 15 is a bullet stopper metal fitting, and 16 is an anchor bolt for fixing the surface plate 6. Since the illustrated embodiment is configured as described above, a lower hinge mechanism configured by the fitting portion of the hemispherical dowel hole 3 of the rolling hardware A and the hemispherical dowel 7 of the surface plate 6, Top spherical concave curved surface 1 of the rolling hardware A
By the double hinge mechanism with the upper hinge mechanism constituted by the hemispherical hardware 10 supporting portion of the floor plate steel frame 9 at, the floor support mechanism can move in any direction against horizontal vibration at the time of earthquake and the rolling hardware A The restoring force of itself is exerted, the restoring force is amplified by the ammunition 12, the horizontal vibration of the floor is reduced, and the seismic isolation function is exerted.
【0009】[0009]
【発明の効果】本発明は前記したように、床構造の支持
部を、起き上り小法師の原理を利用した、それ自体水平
振動に対する復元性を有するローリング金物を使用し、
同金物と建物躯体のスラブとの間に介装された弾機によ
って復元力を増幅させることによって建物床内床の地震
時における水平振動を低減せしめるようにしたものであ
り、構造が簡単でしかも堅牢であり、メンテナンスが不
要で従来装置に比してコストを低減することができるも
のである。As described above, the present invention uses, as the support portion of the floor structure, a rolling metal fitting which has a resilience to horizontal vibration by itself, which utilizes the principle of the rising and rising minister,
It is designed to reduce the horizontal vibration of the floor inside the building floor during an earthquake by amplifying the restoring force with an ammunition installed between the same hardware and the slab of the building skeleton. It is robust, requires no maintenance, and can reduce costs compared to conventional devices.
【図1】本発明に係る建物室内床の免震装置の一実施例
を示す縦断面図である。FIG. 1 is a vertical cross-sectional view showing an embodiment of a seismic isolation device for an indoor floor of a building according to the present invention.
【図2】図1の平面図である。FIG. 2 is a plan view of FIG.
【図3】ローリング金物の配置を示す平面図である。FIG. 3 is a plan view showing an arrangement of rolling hardware.
【図4】ローリング金物の縦断面図である。FIG. 4 is a vertical cross-sectional view of a rolling hardware.
【図5】ローリング金物の復元性能を示す説明図であ
る。FIG. 5 is an explanatory diagram showing the restoring performance of the rolling hardware.
A ローリング金物 B 建物躯体 1 頂部球状凹曲面 2 球面状下底面 3 半球状だぼ穴 4 重錘 6 定盤 7 半球状だぼ 9 床板受鉄骨フレーム 10 半球状金物 11 水平支持腕 12 弾機 A Rolling hardware B Building frame 1 Top spherical concave curved surface 2 Spherical bottom surface 3 Hemispherical dowel hole 4 Weights 6 Surface plate 7 Hemispherical dowel 9 Floor plate steel frame 10 Hemispherical hardware 11 Horizontal support arm 12 Ammo
Claims (1)
底面には半球状だぼ穴が設けられ、且つ下部に重錘が設
けられたローリング金物における前記だぼ穴を、建物躯
体のスラブ面に突設した半球状だぼに滑動自在に嵌合す
るとともに、前記頂部球状凹曲面に床支持架構の下面に
突設された半球状金物を滑動自在に支持し、前記ローリ
ング金物とスラブとの間に弾機を介装してなることを特
徴とする建物室内床の免震装置。1. A rolling hardware having a top surface formed in a spherically concave curved shape, a spherical lower bottom surface provided with a hemispherical dowel hole, and a weight provided at a lower portion of the dowel hole in a building. The rolling metal fitting is slidably fitted to the hemispherical dowel protruding from the slab surface of the frame, and the hemispherical metal fitting projecting from the lower surface of the floor support frame is slidably supported on the top spherical concave curved surface. A seismic isolation device for the indoor floor of the building, characterized in that an ammunition is inserted between the slab and the slab.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26210391A JP2733718B2 (en) | 1991-10-09 | 1991-10-09 | Seismic isolation device for floors inside buildings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26210391A JP2733718B2 (en) | 1991-10-09 | 1991-10-09 | Seismic isolation device for floors inside buildings |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0598786A true JPH0598786A (en) | 1993-04-20 |
JP2733718B2 JP2733718B2 (en) | 1998-03-30 |
Family
ID=17371083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26210391A Expired - Fee Related JP2733718B2 (en) | 1991-10-09 | 1991-10-09 | Seismic isolation device for floors inside buildings |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2733718B2 (en) |
-
1991
- 1991-10-09 JP JP26210391A patent/JP2733718B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2733718B2 (en) | 1998-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |