JPH108693A - Aseismatic device - Google Patents

Aseismatic device

Info

Publication number
JPH108693A
JPH108693A JP16706696A JP16706696A JPH108693A JP H108693 A JPH108693 A JP H108693A JP 16706696 A JP16706696 A JP 16706696A JP 16706696 A JP16706696 A JP 16706696A JP H108693 A JPH108693 A JP H108693A
Authority
JP
Japan
Prior art keywords
access floor
free access
sleeve
foot
equipment
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.)
Withdrawn
Application number
JP16706696A
Other languages
Japanese (ja)
Inventor
Yasuhiko Uchida
康彦 内田
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16706696A priority Critical patent/JPH108693A/en
Publication of JPH108693A publication Critical patent/JPH108693A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Vibration Prevention Devices (AREA)
  • Casings For Electric Apparatus (AREA)
  • Floor Finish (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an aseismatic device for an equipment laid on a free access floor, which can specifically cope with vertical oscillation, and which is easily installed, having a countermeasure against vertical oscillation. SOLUTION: An aseismatic device for equipment 1, is laid on a free access floor 2. In this case, a base leg of the equipment 1 is vertically inserted in an inner cylinder without being fixed. An outer cylinder is composed of a sleeve 8 vertically inserted in a hole formed in the free access floor 1, an absorbent for absorbing shocks between the sleeve 8 and the free access floor 1, and a viscous material 7 applied over contacts surfaces of the outer periphery of the base leg 6 and the inner surface of the sleeve 8.

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、フリーアクセス床
に設置される機器に対する耐震装置に関し、特に縦揺れ
対策を考慮した耐震装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-seismic device for equipment installed on a free access floor, and more particularly to an anti-seismic device in which measures against pitching are taken into consideration.

【0002】図2に示すように、機器1の下面の4つの
コーナーには台足15が設けられ、この台足15で機器
の荷重を支えている。
As shown in FIG. 2, pedestals 15 are provided at four corners on the lower surface of the equipment 1, and the pedestals 15 support the load of the equipment.

【0003】[0003]

【従来の技術】従来、耐震装置として大きく分けて二種
類あった。第1は図3に示すようなB2方式と呼ばれる
ものである。これは、スラブ33に対してホールインア
ンカ35を打ち込みフレーム34を固定する。このフレ
ーム34にフリーアクセス床36を貫通して機器30の
台足31を固定するものである。
2. Description of the Related Art Conventionally, there are roughly two types of seismic devices. The first one is called the B2 system as shown in FIG. This drives the hole-in anchor 35 into the slab 33 to fix the frame 34. The foot 31 of the device 30 is fixed to the frame 34 by penetrating the free access floor 36.

【0004】第2の例に図4に示すような免震方式と呼
ばれるものである。これは、棒状台足41の先端43を
底面にテーパを有する皿状部材42に載置し、地震時、
特に横揺れ時は棒状台足41の先端43が皿状部材42
をスライドすることで免震させるものであった。その変
形として皿状部材42がフリーアクセス床45上をもス
ライドするようにしておき、小地震のときは台足が皿状
部材内をスライドすることで免震し、大地震のときは皿
状部材全体がフリアークセス床上をスライドすることで
免震していた。尚、44は皿状部材42内にゴミ等が入
ることを防止するためのラバーである。
A second example is a seismic isolation system as shown in FIG. In this method, the tip 43 of the bar-shaped foot 41 is placed on a dish-shaped member 42 having a tapered bottom surface.
In particular, at the time of rolling, the tip 43 of the bar-shaped foot 41 becomes the dish-shaped member 42
Was to be seismically isolated by sliding. As a modification, the dish-shaped member 42 is also slid on the free access floor 45, and in the case of a small earthquake, the base slides in the dish-shaped member to isolate the base. The whole member was seismically isolated by sliding on the free arcs floor. Reference numeral 44 denotes a rubber for preventing dust or the like from entering the dish member 42.

【0005】[0005]

【発明が解決しようとする課題】しかしながら、B2方
式では、固定の際にホールインアンカをスラブに打ち込
む作業が必要であり、工期に長時間を費やし、機器の設
置レイアウトの変更が非常に面倒であった。更に、賃貸
テナントにはスラブが傷つくため設置しずらい問題があ
った。
However, in the B2 method, it is necessary to drive the hole-in anchor into the slab at the time of fixing, and it takes a long time for the construction period, and it is very troublesome to change the installation layout of the equipment. there were. In addition, the rental tenant had a problem that the slab was damaged and it was difficult to install.

【0006】免震方式では、主として横揺れに対する免
震であり、縦揺れに対する免震の機能はなく、縦揺れが
発生すれは皿状部材が割れたりする。また、段差による
ロッキングも発生する。
In the seismic isolation method, the seismic isolation is mainly performed for the roll, and there is no function of seismic isolation for the pitch. When the pitch is generated, the dish-shaped member is broken. In addition, locking due to a step occurs.

【0007】従って、本発明では、設置が容易で、且つ
縦揺れ対策を施した耐震装置を提供することを目的とす
るものである。
Accordingly, an object of the present invention is to provide an earthquake-resistant device which is easy to install and has a measure against pitching.

【0008】[0008]

【課題を解決するための手段】上記目的は、フリーアク
セス床に設置される機器に対する耐震装置であって、内
筒に前記機器の台足が非固定にて垂直に挿入され、外筒
はフリーアクセス床に形成された穴に垂直に挿入される
スリーブと、該スリーブと該フリーアクセス床との衝撃
を吸収する吸収材と、該台足の周囲と該スリーブの内筒
間との接触面に塗布された粘性体と、から構成されたこ
とを特徴とする耐震装置、によって達成される。
An object of the present invention is to provide an earthquake-resistant device for equipment installed on a raised floor, wherein the foot of the equipment is vertically inserted into an inner cylinder without being fixed, and the outer cylinder is free. A sleeve vertically inserted into a hole formed in the access floor, an absorbing material for absorbing an impact between the sleeve and the free access floor, and a contact surface between the periphery of the foot and the inner cylinder of the sleeve. This is achieved by an earthquake-resistant device characterized by being constituted by a coated viscous body.

【0009】即ち、縦揺れ対策に関しては台足とスラブ
の間に塗布された粘性体の摩擦によって吸収され、ま
た、完全固定式ではないので機器の設置変更も容易であ
る。
In other words, the measures against pitching are absorbed by the friction of the viscous material applied between the foot and the slab, and the equipment is not completely fixed, so that the equipment can be easily changed.

【0010】[0010]

【発明の実施の形態】以下、本発明の実施の形態を図を
用いて説明する。図1は、本発明の実施の形態を示す図
である。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an embodiment of the present invention.

【0011】機器1の下部には棒状の台足6が突出しそ
の長さはフリーアクセス床2を充分に貫通しスラブ3近
辺まで突出している。このため、機器がロッキングを起
こし転倒する心配がない。台足6は機器1とナット11
によって固定され、機器1には台足6の末端との間に空
間1aが形成されており、この空間1aが縦揺れ時の台
足6と機器1間のマージンとなるものである。
A bar-shaped foot 6 protrudes from the lower part of the device 1, and its length sufficiently penetrates the free access floor 2 and protrudes to the vicinity of the slab 3. For this reason, there is no fear that the device is locked and falls down. Pedestal 6 is equipment 1 and nut 11
The space 1a is formed between the device 1 and the end of the foot 6, and the space 1a serves as a margin between the foot 6 and the device 1 when pitching.

【0012】一方、スラブ3はペデスタル4を支えとし
てフリーアクセス床2が形成されており、フリーアクセ
ス床2とペデスタル4とは固定金具5によって固定され
ている。フリーアクセス床2には穴2aが形成されてお
り、この穴には筒状のスリーブ8が挿入され、スリーブ
8とカラー13が止めネジ14にて固定される。
On the other hand, the free access floor 2 is formed on the slab 3 with the pedestal 4 as a support, and the free access floor 2 and the pedestal 4 are fixed by a fixture 5. A hole 2 a is formed in the free access floor 2, and a cylindrical sleeve 8 is inserted into the hole 2, and the sleeve 8 and the collar 13 are fixed with a set screw 14.

【0013】スリーブ8はフランジを有し、このフラン
ジによってフリーアクセス床2からスラブ3方向に抜け
ることが防止され、フランジとフリーアクセス床2表面
との間には衝撃吸収ゴム9が介在される。また、台足6
の周囲とスリーブ8の内筒との間にはシリコングリース
等の粘性体7が塗布されている。
The sleeve 8 has a flange, which prevents the free access floor 2 from coming off in the direction of the slab 3, and a shock absorbing rubber 9 is interposed between the flange and the surface of the free access floor 2. In addition, foot 6
A viscous body 7 such as silicon grease is applied between the circumference of the sleeve and the inner cylinder of the sleeve 8.

【0014】高さ調節用として棒状台足6はナット12
によっても固定され、ナット12とスリーブ8のフラン
ジとの隙間にはスペーサ10が介在される。縦揺れが発
生すると、図中U方向に振動力が働く。この揺れはスリ
ーブ8の内筒内を棒状台足6がスライドすること、およ
びスライド面に塗布された粘性体7の摩擦力によって吸
収される。スライドした台足6は機器1内の空間1aに
よって機器1を突き上げることはない。次にD方向の振
動力が働く。この揺れは、粘性体7でも吸収することが
できるが、衝撃吸収ゴム9によっても吸収することがで
きる。
A rod-shaped foot 6 is used for height adjustment and a nut 12
The spacer 10 is interposed in the gap between the nut 12 and the flange of the sleeve 8. When pitching occurs, an oscillating force acts in the U direction in the figure. This swing is absorbed by the slide of the bar-shaped foot 6 in the inner cylinder of the sleeve 8 and the frictional force of the viscous body 7 applied to the slide surface. The slide foot 6 does not push up the device 1 by the space 1a in the device 1. Next, a vibration force in the D direction acts. This vibration can be absorbed by the viscous body 7 but also by the shock absorbing rubber 9.

【0015】図1の実施の形態では図中L−R方向の振
動について特に触れていないが、横方向の揺れに対して
は台足6はフリアクセス床2に固定されたものであるた
め、耐震となっている。もし横揺れ方向の振動も吸収す
る例とするならば、台足にフリーアクセス床2に対する
水平方向振動を吸収する弾性体、例えば台足6に剛性ス
プリングを設ける等すればよい。
Although the embodiment of FIG. 1 does not particularly mention the vibration in the LR direction in the figure, the foot 6 is fixed to the re-access floor 2 for the lateral vibration, It is earthquake resistant. If an example in which vibration in the rolling direction is also absorbed is used, an elastic body that absorbs horizontal vibration with respect to the free access floor 2 on the foot, for example, a rigid spring may be provided on the foot 6.

【0016】或いは、フリーアクセス床2に形成する穴
を大きく形成しておき、スリーブのフランジを大きくし
て、スリーブが左右に移動できるようにし、若干の免震
性を持たせることも横揺れに対する策としては有効であ
る。
Alternatively, a hole formed in the free access floor 2 is made large, and the flange of the sleeve is made large so that the sleeve can be moved to the left and right, and a little seismic isolation is provided. It is effective as a measure.

【0017】[0017]

【発明の効果】以上説明したように本発明によれば、設
置における取り付けを簡単にして縦揺れ、横揺れに対す
る耐震を実現することが可能となり、耐震の技術分野に
寄与することろが大きい。
As described above, according to the present invention, it is possible to realize an earthquake proof against pitching and rolling by simplifying the installation in installation, which greatly contributes to the technical field of earthquake proofing.

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

【図1】本発明の実施の形態を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.

【図2】機器と台足の設置関係を示す図である。FIG. 2 is a diagram showing an installation relationship between a device and a foot.

【図3】第1の従来例を示す図である。FIG. 3 is a diagram showing a first conventional example.

【図4】第2の従来例を示す図である。FIG. 4 is a diagram showing a second conventional example.

【符号の説明】[Explanation of symbols]

1 機器, 2 フリーアクセス床, 3 スラブ, 6 台足, 7 粘性体, 8 スリーブ, 9 衝撃吸収ゴム, 10 スペーサ, 11,12 ナット, 13 カラー, 1 equipment, 2 free access floor, 3 slab, 6 feet, 7 viscous material, 8 sleeve, 9 shock absorbing rubber, 10 spacer, 11, 12 nut, 13 collar,

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 H05K 5/02 7301−4E H05K 5/02 L ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification number Agency reference number FI Technical indication location H05K 5/02 7301-4E H05K 5/02 L

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 フリーアクセス床に設置される機器に対
する耐震装置であって、 内筒に前記機器の台足が非固定にて垂直に挿入され、外
筒はフリーアクセス床に形成された穴に垂直に挿入され
るスリーブと、 該スリーブと該フリーアクセス床との衝撃を吸収する吸
収材と、 該台足の周囲と該スリーブの内筒間との接触面に塗布さ
れた粘性体と、 から構成されたことを特徴とする耐震装置。
1. An anti-seismic device for equipment installed on a free access floor, wherein a foot of the equipment is vertically inserted into an inner cylinder without being fixed, and an outer cylinder is inserted into a hole formed in the free access floor. A vertically inserted sleeve, an absorbent for absorbing an impact between the sleeve and the free access floor, and a viscous body applied to a contact surface between the periphery of the foot and an inner cylinder of the sleeve. A seismic device characterized by being constituted.
【請求項2】 前記台足がフリーアクセス床面に対する
水平方向振動を吸収する弾性体を有することを特徴とす
る請求項1に記載の耐震装置。
2. The anti-seismic device according to claim 1, wherein the foot has an elastic body that absorbs horizontal vibration with respect to the free access floor.
JP16706696A 1996-06-27 1996-06-27 Aseismatic device Withdrawn JPH108693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16706696A JPH108693A (en) 1996-06-27 1996-06-27 Aseismatic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16706696A JPH108693A (en) 1996-06-27 1996-06-27 Aseismatic device

Publications (1)

Publication Number Publication Date
JPH108693A true JPH108693A (en) 1998-01-13

Family

ID=15842780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16706696A Withdrawn JPH108693A (en) 1996-06-27 1996-06-27 Aseismatic device

Country Status (1)

Country Link
JP (1) JPH108693A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002261475A (en) * 2001-03-02 2002-09-13 Fujitsu Fip Corp Installation base foot device and structure being installed using it
JP2009302162A (en) * 2008-06-11 2009-12-24 Sato Seisakusho:Kk Rack fixing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002261475A (en) * 2001-03-02 2002-09-13 Fujitsu Fip Corp Installation base foot device and structure being installed using it
JP4485088B2 (en) * 2001-03-02 2010-06-16 富士通エフ・アイ・ピー株式会社 Installation foot device and structure to be installed with the device
JP2009302162A (en) * 2008-06-11 2009-12-24 Sato Seisakusho:Kk Rack fixing device

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Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20030902