Vibration-shock energy absorption device using composite tube, and building vibration control device using same
AssigneeKorea Aerospace Research Institute
InventorsIll Kyung Park, Sung Joon Kim, Tae Uk Kim
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Abstract
The present invention provides a device configured to effectively absorb repeated shock energy such as a vibration shock by using a composite tube, and the present invention has advantageous effects in that the shock energy caused by a tensile or compressive shock load may be effectively absorbed by the composite tube, and the shock energy absorption device may be applied to a building and used as a vibration control device capable of preparing for repeated earthquakes.
Claims18
A vibration-shock energy absorption device using a composite tube, the vibration-shock energy absorption device comprising:
- an inner cylinder having a cylindrical first member having therein a hollow portion;
- an outer cylinder having a second member having therein a hollow portion configured to accommodate the first member;
- a compressive wedge provided to adjoin an outer circumferential surface of the second member of the outer cylinder;
- a compressive slider provided to be in contact with an outer surface of the compressive wedge;
- and
- a first composite tube and an outer spring configured to adjoin one side surface and an opposite side surface of the compressive slider, respectively,
- wherein a slider inclined surface is formed inside the compressive slider, and a wedge inclined surface is formed outside the compressive wedge, such that the slider inclined surface and the wedge inclined surface adjoin each other.
A vibration-shock energy absorption device using a composite tube, the vibration-shock energy absorption device comprising:
- an inner cylinder having a cylindrical first member having therein a hollow portion;
- an end plug having a center pin disposed in the hollow portion in the first member of the inner cylinder;
- a tensile wedge provided to adjoin an inner circumferential surface of the first member of the inner cylinder;
- a tensile slider provided to be in contact with an inner surface of the tensile wedge;
- and
- a composite tube and an inner spring configured to adjoin one side surface and an opposite side surface of the tensile slider, respectively,
- wherein a slider inclined surface is formed outside the tensile slider, and a wedge inclined surface is formed inside the tensile wedge, such that the slider inclined surface and the wedge inclined surface adjoin each other.
A vibration-shock energy absorption device using a composite tube, the vibration-shock energy absorption device comprising:
- an inner cylinder having a cylindrical first member having therein a hollow portion;
- an outer cylinder having a second member having therein a hollow portion configured to accommodate the first member;
- an end plug having a center pin that penetrates the hollow portion in the second member and has an end disposed in the hollow portion in the first member;
- a compressive wedge provided to adjoin an outer circumferential surface of the second member of the outer cylinder;
- a compressive slider provided to be in contact with an outer surface of the compressive wedge;
- a first composite tube and an outer spring configured to adjoin one side surface and an opposite side surface of the compressive slider, respectively;
- a tensile wedge provided to adjoin an inner circumferential surface of the first member of the inner cylinder;
- a tensile slider provided to be in contact with an inner surface of the compressive wedge;
- and
- a second composite tube and an inner spring configured to adjoin one side surface and an opposite side surface of the tensile slider, respectively.
Dependencies are inferred from the claim text.