JPH0434541U - - Google Patents
Info
- Publication number
- JPH0434541U JPH0434541U JP7650890U JP7650890U JPH0434541U JP H0434541 U JPH0434541 U JP H0434541U JP 7650890 U JP7650890 U JP 7650890U JP 7650890 U JP7650890 U JP 7650890U JP H0434541 U JPH0434541 U JP H0434541U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- vibration damping
- vibration
- weight
- damping device
- 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 11
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Description
第１図は本考案の一実施例に係わる制振装置の
構成を示す図、第２図は上記制振装置における振
動系と粘性体との関係を示す図、第３図は煙突頂
部に設けられたプラツトホームに４台の制振装置
を取付けた状態を示す外観斜視構成図、第４図は
上記煙突に対する４台の制振装置の取付け状態を
示す平面構成図、第５図は従来の制振装置の構成
を示す図、第６図は防振対象構造物としての煙突
の外観構成を示す図、第７図は従来の制振装置が
設置される煙突のプラツトホームの平面構成を示
す図、第８図は上記従来の制振装置が設置された
プラツトホームの−線断面構成を示す図であ
る。
１……外筒、２……内筒、３……棒鋼、４……
鋼板、５……ボルト、６……重錘、７……長ボル
ト、８……ナツト、９……円筒、１０……粘性体
、Ｔ……煙突筒身、ＰＲ……プラツトホーム、Ｉ
ａ……重錘振動、１Ａ〜１Ｄ……制振装置。
Fig. 1 is a diagram showing the configuration of a vibration damping device according to an embodiment of the present invention, Fig. 2 is a diagram showing the relationship between the vibration system and the viscous body in the vibration damping device, and Fig. 3 is a diagram showing the relationship between the vibration damping device and the viscous body. Fig. 4 is a plan view showing how the four damping devices are installed on the chimney, and Fig. 5 is a diagram of the conventional damping device. FIG. 6 is a diagram showing the external configuration of a chimney as a structure to be vibration-proofed; FIG. 7 is a diagram showing the planar configuration of a chimney platform on which a conventional vibration damping device is installed; FIG. 8 is a diagram showing a cross-sectional structure taken along the line -- of a platform on which the above-mentioned conventional vibration damping device is installed. 1... Outer cylinder, 2... Inner cylinder, 3... Steel bar, 4...
Steel plate, 5... Bolt, 6... Weight, 7... Long bolt, 8... Nut, 9... Cylinder, 10... Viscous body, T... Chimney barrel, PR... Platform, I
a... Weight vibration, 1A to 1D... Vibration damping device.
Claims (1)
振動を抑制する制振装置において、 上記構造物にその長手方向に沿つて設置される
筒体と、 この筒体内部の頂部中央に一端が溶接され他端
が該筒体の下部方向に延びてなる棒鋼と、 この棒鋼の他端側に該棒鋼に沿つて上下移動自
在に固定され上記筒体の内径よりも小径の外径を
有する重錘と、 上記筒体の内部に上記重錘が浸る高さまで封入
された粘性体とを具備し、 上記構造物の振動に伴う重錘の振動により発生
する上記粘性体の粘性抵抗力を振動減衰力として
得ることを特徴とする制振装置。[Claims for Utility Model Registration] A vibration damping device installed near the top of a structure to suppress vibrations generated in the structure, comprising: a cylindrical body installed along the longitudinal direction of the structure; and this cylindrical body. A steel bar having one end welded to the center of the top of the interior and the other end extending toward the bottom of the cylindrical body, and a steel bar fixed to the other end of the bar so as to be movable up and down along the bar, and having a diameter larger than the inner diameter of the cylindrical body. A weight having a small outer diameter, and a viscous body sealed inside the cylindrical body to a height where the weight is immersed, and the viscous body is generated by vibration of the weight accompanying vibration of the structure. A vibration damping device characterized by obtaining viscous resistance force as a vibration damping force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7650890U JPH0434541U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7650890U JPH0434541U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434541U true JPH0434541U (en) | 1992-03-23 |
Family
ID=31618044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7650890U Pending JPH0434541U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133125A (en) * | 1993-11-02 | 1995-05-23 | Toyo Glass Co Ltd | Glassware producing device and method for controlling production of glassware |
| JPH08235914A (en) * | 1995-02-27 | 1996-09-13 | Nippon Steel Corp | Pole provided with damping device |
| JP2015199587A (en) * | 2014-04-09 | 2015-11-12 | フジテック株式会社 | Dynamic vibration absorber for elevator |
-
1990
- 1990-07-20 JP JP7650890U patent/JPH0434541U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133125A (en) * | 1993-11-02 | 1995-05-23 | Toyo Glass Co Ltd | Glassware producing device and method for controlling production of glassware |
| JPH08235914A (en) * | 1995-02-27 | 1996-09-13 | Nippon Steel Corp | Pole provided with damping device |
| JP2015199587A (en) * | 2014-04-09 | 2015-11-12 | フジテック株式会社 | Dynamic vibration absorber for elevator |