JPH01165509U - - Google Patents
Info
- Publication number
- JPH01165509U JPH01165509U JP6221388U JP6221388U JPH01165509U JP H01165509 U JPH01165509 U JP H01165509U JP 6221388 U JP6221388 U JP 6221388U JP 6221388 U JP6221388 U JP 6221388U JP H01165509 U JPH01165509 U JP H01165509U
- Authority
- JP
- Japan
- Prior art keywords
- lighting lamp
- shows
- vibration damping
- protrusions
- wind
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第１図は本考案に係る制振装置を備えた照明灯
。第２図は照明灯支柱の一部拡大側面図。第３図
は第２図の横断面図で、第３図ａは溝を有する支
柱を、第３図ｂは板状のひれを設けたものを示す
。第４図はダンパーを備えた従来型照明灯。第５
図はダンパーの拡大図。第６図は支柱の後流側に
発生するカルマン渦を、第７図は渦なしの状態を
示す。
図において；１…支柱、２…照明器具、３…ダ
ンパー、４…チエーン、５…カバー、６ａ…溝、
６ｂ…板状のひれ。
FIG. 1 shows a lighting lamp equipped with a vibration damping device according to the present invention. Figure 2 is a partially enlarged side view of the illumination light support. FIG. 3 is a cross-sectional view of FIG. 2, where FIG. 3a shows a strut with a groove, and FIG. 3b shows a support with a plate-shaped fin. Figure 4 shows a conventional lighting lamp equipped with a damper. Fifth
The figure is an enlarged view of the damper. FIG. 6 shows a Karman vortex generated on the downstream side of the column, and FIG. 7 shows a state without a vortex. In the figure: 1... Support column, 2... Lighting equipment, 3... Damper, 4... Chain, 5... Cover, 6a... Groove,
6b...Plate-shaped fin.
Claims (1)
けカルマン渦の発生を防いだことを特徴とする道
路用照明灯の耐風制振構造。 A wind-resistant vibration damping structure for a road lighting lamp, characterized in that grooves or protrusions are provided in the vertical direction on the surface of the lighting lamp support to prevent the occurrence of Karman vortices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6221388U JPH01165509U (en) | 1988-05-13 | 1988-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6221388U JPH01165509U (en) | 1988-05-13 | 1988-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01165509U true JPH01165509U (en) | 1989-11-20 |
Family
ID=31287843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6221388U Pending JPH01165509U (en) | 1988-05-13 | 1988-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01165509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016132879A (en) * | 2015-01-16 | 2016-07-25 | 昭和電工アルミ販売株式会社 | Vibration suppressing device for pole, and pole with vibration suppressing device |
-
1988
- 1988-05-13 JP JP6221388U patent/JPH01165509U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016132879A (en) * | 2015-01-16 | 2016-07-25 | 昭和電工アルミ販売株式会社 | Vibration suppressing device for pole, and pole with vibration suppressing device |