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PROBLEM TO BE SOLVED: To provide a wind lock mechanism which can automatically perform restraint and release without using external power supply, and which can surely exhibit a base isolation effect by performing movement restraint of a lower structure and an upper structure during wind load and releasing the restraint when an earthquake occurs.SOLUTION: A wind lock mechanism A is provided in parallel with a base isolation device in a base isolation layer 3 between an upper structure 1 and a lower structure 2 and it is constituted by including: a shaft spring device 5 having a spring 5a expanding/contracting vertically; a shaft material 6 in which an axial direction is disposed vertically, and which is arranged being energized upward by the shaft spring device 5 while connecting a lower end part side to the lower structure 2 via the shaft spring device 5; and a bundle material 8 whose lower end part is pin-connected to an upper end part of the shaft material 6 via a pin connection part 7, and which is disposed by pressing the upper end part to the upper structure 1 by an energization force of the spring 5a in a compression state of the shaft spring device 5 acting through the shaft material 6.SELECTED DRAWING: Figure 1
【課題】外部電力を使わずに拘束や解除を自動的に行うことができ、風荷重時には下部構造と上部構造とを移動拘束し、地震時には拘束を解除して免震効果を確実に発揮させることを可能にする風ロック機構を提供する。【解決手段】上部構造１と下部構造２の間の免震層３に免震装置と並列に設けられる風ロック機構Ａであって、上下方向に伸縮するバネ５ａを有する軸バネ装置５と、軸線方向を上下方向に配し、下端部側を軸バネ装置５を介して下部構造２に接続しつつ軸バネ装置５によって上方に付勢して配設される軸材６と、下端部が軸材６の上端部にピン結合７され、軸バネ装置５の圧縮状態とされたバネ５ａの付勢力が軸材６を通じて作用することで上端部を上部構造１に押圧して配設される束材８とを備えて構成する。【選択図】図１
PROBLEM TO BE SOLVED: To provide a wind lock mechanism which can automatically perform restraint and release without using external power supply, and which can surely exhibit a base isolation effect by performing movement restraint of a lower structure and an upper structure during wind load and releasing the restraint when an earthquake occurs.SOLUTION: A wind lock mechanism A is provided in parallel with a base isolation device in a base isolation layer 3 between an upper structure 1 and a lower structure 2 and it is constituted by including: a shaft spring device 5 having a spring 5a expanding/contracting vertically; a shaft material 6 in which an axial direction is disposed vertically, and which is arranged being energized upward by the shaft spring device 5 while connecting a lower end part side to the lower structure 2 via the shaft spring device 5; and a bundle material 8 whose lower end part is pin-connected to an upper end part of the shaft material 6 via a pin connection part 7, and which is disposed by pressing the upper end part to the upper structure 1 by an energization force of the spring 5a in a compression state of the shaft spring device 5 acting through the shaft material 6.SELECTED DRAWING: Figure 1
【課題】外部電力を使わずに拘束や解除を自動的に行うことができ、風荷重時には下部構造と上部構造とを移動拘束し、地震時には拘束を解除して免震効果を確実に発揮させることを可能にする風ロック機構を提供する。【解決手段】上部構造１と下部構造２の間の免震層３に免震装置と並列に設けられる風ロック機構Ａであって、上下方向に伸縮するバネ５ａを有する軸バネ装置５と、軸線方向を上下方向に配し、下端部側を軸バネ装置５を介して下部構造２に接続しつつ軸バネ装置５によって上方に付勢して配設される軸材６と、下端部が軸材６の上端部にピン結合７され、軸バネ装置５の圧縮状態とされたバネ５ａの付勢力が軸材６を通じて作用することで上端部を上部構造１に押圧して配設される束材８とを備えて構成する。【選択図】図１
WIND LOCK MECHANISM
風ロック機構
USHIZAKA SHINYA (author)
2018-06-07
Patent
Electronic Resource
Japanese
WIND RESISTANCE LOCK MECHANISM OF BASE-ISOLATED STRUCTURE
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