Structure vortex-induced vibration suppression device

A technology of vortex-induced vibration and suppression devices, which is applied to building components, building structures, bridge parts, etc., and can solve problems such as hidden safety hazards of structures

Pending Publication Date: 2021-09-10
XIAERTELA ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure vibrates under a specific wind speed, which poses a serious hidden danger to the safety of the structure. Therefore, it is necessary to have methods and means to suppress the vortex-induced vibration of the structure.

Method used

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  • Structure vortex-induced vibration suppression device
  • Structure vortex-induced vibration suppression device
  • Structure vortex-induced vibration suppression device

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Embodiment Construction

[0031] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings. These embodiments are only used to illustrate the present invention, not to limit the present invention.

[0032] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientation, and therefore should not be construed as limiting the inventio...

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PUM

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Abstract

The invention relates to the technical field of vortex-induced vibration, and particularly relates to a structure vortex-induced vibration suppression device. A structure is suspended and arranged in a straddling mode in the longitudinal direction and provided with a first side edge and a second side edge which are opposite in the transverse direction; the structure vortex-induced vibration suppression device comprises a plurality of flow guide plates suspended on the structure; the plurality of flow guide plates are sequentially arranged at the first side edge and the second side edge in the longitudinal direction; and the upper ends of the flow guide plates are hinged to the structure in the mode of being capable of rotating in the longitudinal direction. When crosswind blows through the structure, the flow guide plates rotationally suspended at the first side edge and the second side edge of the structure are blown by the crosswind to swing, the flow guide plates on the leeward side float along with the crosswind, and therefore the pneumatic shape of the structure is changed, the original vortex generation and falling pneumatic performance of the structure is damaged, an original vortex generation mechanism of the structure is disturbed, vortex falling of the leeward side of the structure can be suppressed, vortex-induced vibration is suppressed, harm caused by wind-induced vortex-induced vibration is reduced, and the structure safety of the structure is guaranteed.

Description

technical field [0001] The invention relates to the technical field of vortex-induced vibration, in particular to a device for suppressing vortex-induced vibration of structures. Background technique [0002] In outdoor facilities such as buildings, bridges and engineering construction, there are slender structures with large aspect ratios, such as long-span bridges, bridge towers, cables, main girders, tall buildings, and long cantilevers of cranes. This type of structure may have vortex induced vibration under a specific wind speed, which poses a huge hidden danger to the safety of the structure. Vortex-induced vibration is a kind of wind-induced vibration phenomenon that occurs in structures at a specific wind speed. Vortex-induced vibration has self-excited properties, but the vibrating structure will in turn form a feedback effect on vortex shedding, which limits the amplitude of vortex vibration. , so vortex induced resonance is a kind of wind-induced limiting vibrati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98E04B1/92E01D19/00
CPCE04B1/98E04B1/92E01D19/00
Inventor 刘宏洪全子丁盛
Owner XIAERTELA ENERGY CO LTD
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