JP4480708B2 - 免震装置 - Google Patents
免震装置 Download PDFInfo
- Publication number
- JP4480708B2 JP4480708B2 JP2006305423A JP2006305423A JP4480708B2 JP 4480708 B2 JP4480708 B2 JP 4480708B2 JP 2006305423 A JP2006305423 A JP 2006305423A JP 2006305423 A JP2006305423 A JP 2006305423A JP 4480708 B2 JP4480708 B2 JP 4480708B2
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- Japan
- Prior art keywords
- elastic member
- seismic isolation
- substrate
- main shaft
- support member
- 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.)
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Description
Claims (5)
- 地震と共に揺れる構造物と免震対象物との間に配置され、構造物側から免震対象物側に伝わる地震の揺れを吸収する免震装置において、
前記構造物に固定される第1の基板と、
免震対象物に固定される第2の基板と、
第2の基板を水平方向に移動自在に支持する支持部材と、
第1の基板上に水平方向に移動自在に支持され、支持部材を上下方向に移動自在に支持する主軸と、
主軸の外側に径方向に間隔をおいて配置され、第1の基板上に固定された円筒部材と、
支持部材を上方に付勢する第1の弾性部材と、
主軸と円筒部材との間に配置され、主軸に対する円筒部材の水平方向への移動による圧縮力によって弾性変形する第2の弾性部材と、
第2の基板と支持部材に連結され、第2の基板に対する支持部材の水平方向の移動による引張力によって弾性変形する第3の弾性部材とを備えた
ことを特徴とする免震装置。 - 前記第1の弾性部材と共に支持部材を上方に付勢する補助弾性部材を備え、
第1の弾性部材をコイルスプリングによって形成するとともに、補助弾性部材を第1の弾性部材よりも径の小さいコイルスプリングによって形成し、補助弾性部材を第1の弾性部材の径方向内側に配置した
ことを特徴とする請求項1記載の免震装置。 - 前記第2の弾性部材を主軸の周方向に延びる中空状の環状ゴムによって形成し、複数の第2の弾性部材を互いに上下方向に積み重ねて配置した
ことを特徴とする請求項1または2記載の免震装置。 - 前記第3の弾性部材を主軸の周方向複数箇所に設けるとともに、その一端を支持部材に連結し、その他端を第2の基板から支持部材との連結部よりも下方に延びる延設部に連結した
ことを特徴とする請求項1、2または3記載の免震装置。 - 前記各第3の弾性部材をそれぞれ下端側が上端側よりも主軸からの距離が遠くなるように斜めに設けた
ことを特徴とする請求項4記載の免震装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006305423A JP4480708B2 (ja) | 2006-11-10 | 2006-11-10 | 免震装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006305423A JP4480708B2 (ja) | 2006-11-10 | 2006-11-10 | 免震装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008121768A JP2008121768A (ja) | 2008-05-29 |
| JP4480708B2 true JP4480708B2 (ja) | 2010-06-16 |
Family
ID=39506736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006305423A Expired - Fee Related JP4480708B2 (ja) | 2006-11-10 | 2006-11-10 | 免震装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4480708B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102049316B1 (ko) * | 2019-08-16 | 2019-11-27 | (주)현대에이아이티 | 내진 제진 및 면진 기능을 갖는 이중바닥재 |
| CN110965461B (zh) * | 2019-11-25 | 2025-04-08 | 中南大学 | 一种用于桥梁减隔震的支座 |
| CN115492266B (zh) * | 2022-08-17 | 2025-05-30 | 上海师范大学 | 一种竖向隔震装置 |
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2006
- 2006-11-10 JP JP2006305423A patent/JP4480708B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| JP2008121768A (ja) | 2008-05-29 |
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