JPH027807U

JPH027807U -

Info

Publication number: JPH027807U
Application number: JP8598588U
Authority: JP
Priority date: 1988-06-29
Filing date: 1988-06-29
Publication date: 1990-01-18

Description

[Brief explanation of drawings]

第１図ａ〜ｃ並びに第２図ａ〜ｃは本案品の縦
断正面図、ａ図中Ａ―Ａ′矢視図、ａ図中Ｂ―Ｂ
′矢視図、第３図ａ〜ｄは、本案品の照明柱内設
置態様を示す正面図、ａ図Ｂ―Ｂ矢視図、垂直中
空部材５の拡大平面図、正面図、第４図はカルマ
ン渦の発生メカニズム説明図、第５図ａ，ｂはカ
ルマン渦による照明柱の振動モード説明図である
。１……照明柱、２……カルマン渦、３……強風
、４……振動モード、５……垂直中空部材、６…
…取付治具、７ａ……長尺材、７ｂ……長尺材、
７ｃ……長尺材、８……キヤツプ、９……環状の
吊輪。 Figures 1 a to c and Figures 2 a to c are longitudinal sectional front views of the product, A-A' arrow view in Figure a, and B-B in Figure a.
Figures 3 a to d are front views showing how the product is installed in the lighting column, Figure a is a B-B arrow view, an enlarged plan view of the vertical hollow member 5, a front view, and Figure 4. 5A and 5B are explanatory diagrams of the generation mechanism of the Karman vortex, and FIGS. 5A and 5B are diagrams explanatory of the vibration mode of the illumination column due to the Karman vortex. 1... Lighting column, 2... Karman vortex, 3... Strong wind, 4... Vibration mode, 5... Vertical hollow member, 6...
...Mounting jig, 7a... Long material, 7b... Long material,
7c... Long material, 8... Cap, 9... Annular hanging ring.

Claims

[Scope of utility model registration request]

A vertical hollow member attached to the outside or inside of the lighting pole, or constructed by itself when the lighting pole is a hollow member, has a non-fixed free vibrating part and has multiple strips of elongated material inside the vertical hollow member. A vibration damping device for a lighting pole that is suspended and fixed.