JPH07109228B2 - Vibration control device - Google Patents
Vibration control deviceInfo
- Publication number
- JPH07109228B2 JPH07109228B2 JP1873288A JP1873288A JPH07109228B2 JP H07109228 B2 JPH07109228 B2 JP H07109228B2 JP 1873288 A JP1873288 A JP 1873288A JP 1873288 A JP1873288 A JP 1873288A JP H07109228 B2 JPH07109228 B2 JP H07109228B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- vibration
- spring
- plastic deformation
- damped body
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/116—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on metal springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、発電所やプラントにおける配管等の被制振体
の振動を減衰器付きのダイナミックダンパの原理により
抑制する制振装置に関するものである。Description: TECHNICAL FIELD The present invention relates to a vibration damping device that suppresses vibration of a vibration-damped body such as piping in a power plant or a plant by the principle of a dynamic damper with a damper. is there.
（従来の技術） 従来、無減衰定振動数型ダイナミックダンパの原理を適
用した種々の制振装置が提案されている。(Prior Art) Conventionally, various damping devices applying the principle of an undamped constant frequency type dynamic damper have been proposed.
（発明が解決しようとする課題） 本発明は、減衰器付きのダイナミックダンパの原理で、
配管等の被制振体の振動を抑制する制振装置を提供する
ことを課題としている。(Problems to be Solved by the Invention) The present invention is based on the principle of a dynamic damper with an attenuator,
An object of the present invention is to provide a vibration damping device that suppresses vibration of a vibration-damped body such as piping.
（課題を解決するための手段） 本発明においては、上記課題を解決するため、配管Ｐの
ような被制振体に相対移動自在に重錘3,13,23を取付
け、この重錘3,13,23を移動方向の両側からばね4,5,14,
15,24,25で挟んで弾圧保持し、かつこの重錘3,13,23の
両側には、重錘3,13,23の移動により塑性変形する塑性
変形部材6,7,16,17,26,27を設けて制振装置を構成し
た。(Means for Solving the Problem) In the present invention, in order to solve the above-mentioned problem, the weights 3, 13, 23 are attached to a vibration-damped body such as the pipe P so as to be relatively movable. 13,23 springs 4,5,14,
A plastic deformation member 6,7,16,17, which is elastically held by being sandwiched between 15,24,25 and is plastically deformed by the movement of the weights 3,13,23 on both sides of the weights 3,13,23. A vibration damping device was constructed by providing 26 and 27.
（作 用） 本発明の制振装置においては、配管Ｐの如き被制振体が
振動すると、重錘3,13,23がこれに対して相対移動し、
その両側のばね4,5,14,15,24,25を伸縮させる。従っ
て、このばね力により被制振体の振動が吸収、抑制され
る。また、重錘3,13,23の相対移動により、塑性変形部
材6,7,16,17,26,27が塑性変形を繰返す。この塑性変形
により、部材6,7,16,17,26,27は減衰器の役割を果た
す。従って、振動エネルギは塑性変形部材6,7,16,17,2
6,27の変形によって熱に変換、消費され、その分減衰さ
れることになる。(Operation) In the vibration damping device of the present invention, when the vibration-damped body such as the pipe P vibrates, the weights 3, 13, 23 move relative to this,
The springs 4, 5, 14, 15, 24, 25 on both sides are expanded and contracted. Therefore, the vibration of the vibration-damped body is absorbed and suppressed by this spring force. Further, the relative movement of the weights 3, 13, 23 causes the plastic deformation members 6, 7, 16, 17, 26, 27 to repeat plastic deformation. Due to this plastic deformation, the members 6, 7, 16, 17, 26, 27 function as a damper. Therefore, the vibration energy is the plastic deformation member 6,7,16,17,2.
By the deformation of 6,27, it will be converted into heat, consumed, and attenuated accordingly.
（実施例） 本発明の実施例を第１図乃至第４図に示す。第１図は制
振装置の正面図、第２図は制振装置の原理図、第３図は
他の実施例の制振装置の正面図、第４図はさらに他の実
施例の正面図である。(Embodiment) An embodiment of the present invention is shown in FIGS. FIG. 1 is a front view of the vibration damping device, FIG. 2 is a principle view of the vibration damping device, FIG. 3 is a front view of the vibration damping device of another embodiment, and FIG. 4 is a front view of yet another embodiment. Is.
第１図において、被制振体である配管Ｐには、把持金具
１が固着され、この把持金具１からは、配管Ｐの軸線直
交方向に真っ直に支持棒２が延出している。この支持棒
２上には、それの軸線方向に移動自在の重錘３と、この
重錘３と被制振体とを所定のばね定数で連結するばね4,
5と、重錘の移動により塑性変形する塑性変形部材6,7と
が取付けられている。即ち、重錘３は支持棒２に軸線方
向に移動自在に嵌め込まれ、この重錘３の両側に位置し
て支持棒２上にばね4,5が嵌め込まれ、またこのばね4,5
の外側に位置して螺旋状の塑性変形部材6,7が嵌め込ま
れており、これら三者は支持棒２の端部に螺合されたば
ね受け鍔８と把持金具１の側面との間に保持されてい
る。In FIG. 1, a grip metal fitting 1 is fixed to a pipe P which is a vibration-damped body, and a support rod 2 extends straight from the grip metal fitting 1 in a direction orthogonal to an axis of the pipe P. On the support rod 2, a weight 3 movable in the axial direction thereof, a spring 4 for connecting the weight 3 and the vibration-damped body with a predetermined spring constant,
5 and plastic deformation members 6 and 7 that are plastically deformed by the movement of the weight are attached. That is, the weight 3 is fitted to the support rod 2 so as to be movable in the axial direction, the springs 4,5 are fitted on the support rod 2 located on both sides of the weight 3, and the springs 4,5.
The plastic deformation members 6 and 7 in a spiral shape are fitted on the outer side of the holding member, and these three members are held between the spring receiving collar 8 screwed to the end of the supporting rod 2 and the side surface of the grip fitting 1. Has been done.
塑性変形部材6,7は、例えば軟鋼、樹脂、鉛の如き比較
的容易に塑性変形する素材から成る。そして、一方の塑
性変形部材６は、一端が固定部材1aにより把持金具１の
側面に、他端が固定部材3aにより重錘３の一端面に固定
されており、また他方の塑性変形部材７は、一端が固定
部材3bにより重錘３の他端側に、他端が固定部材8aによ
りばね受け鍔８に固定されている。従って、塑性変形部
材6,7は、重錘３が図において左右方向に往復移動する
と伸縮して塑性変形を繰り返すようになっている。The plastically deformable members 6 and 7 are made of a material such as mild steel, resin, and lead that relatively easily plastically deforms. One of the plastically deformable members 6 has one end fixed to the side surface of the grip 1 by the fixing member 1a and the other end to the one end face of the weight 3 by the fixing member 3a, and the other plastically deformable member 7 is The one end is fixed to the other end side of the weight 3 by the fixing member 3b, and the other end is fixed to the spring receiving collar 8 by the fixing member 8a. Therefore, the plastically deformable members 6, 7 expand and contract when the weight 3 reciprocates in the left-right direction in the figure, and repeat plastic deformation.
ばね受け鍔８は、支持棒２の端部に形成されたねじ部2a
に嵌め込まれ、ナット９によって軸線方向の位置を調整
することができるようになっている。The spring receiving collar 8 has a threaded portion 2a formed at the end of the support rod 2.
The nut 9 is used to adjust the position in the axial direction.
しかして、この実施例の制振装置においては、被制振体
である配管Ｐが振動すると、重錘３が支持棒２上を軸線
方向に相対移動し、その両側のばね4,5を伸縮させる。
このとき、ばね力により配管Ｐの振動が吸収、抑制され
る。また、重錘３の相対移動により、塑性変形部材6,7
が同じく伸縮して塑性変形を繰返す。この部材6,7の塑
性変形の繰返しにより、振動エネルギは熱に変換され、
消費されるので、その分振動が減衰されることになる。
なお、ナット９によって、支持棒２上におけるばね受け
鍔８の軸線方向の位置を変化させることにより、共振域
を適当に移動させ、各種の周波数の振動に対応させるこ
とができる。Then, in the vibration damping device of this embodiment, when the pipe P, which is the vibration-damped body, vibrates, the weight 3 relatively moves in the axial direction on the support rod 2, and the springs 4 and 5 on both sides thereof expand and contract. Let
At this time, the vibration of the pipe P is absorbed and suppressed by the spring force. Further, due to the relative movement of the weight 3, the plastic deformation members 6, 7
Also expands and contracts and repeats plastic deformation. By repeating the plastic deformation of these members 6 and 7, the vibration energy is converted into heat,
Since it is consumed, the vibration is damped accordingly.
By changing the position of the spring receiving collar 8 on the support rod 2 in the axial direction with the nut 9, it is possible to appropriately move the resonance region and deal with vibrations of various frequencies.
第２図には上記制振装置の原理を示した。FIG. 2 shows the principle of the vibration damping device.
第３図には本発明の他の実施例を示す。この実施例にお
いては、支持棒12が把持金具11を摺動自在に貫通し、配
管Ｐの軸線直交方向の両側に真っ直に延出している。支
持棒12の両端部には、一対の重錘13,13が嵌め込み固定
されると共に、把持金具11の両側に位置してばね14,1
5、塑性変形部材16,17が嵌め込まれている。18は支持棒
12の一端に固定され、一方の重錘13の抜け止めする抜け
止め鍔、19は支持棒12の他端部のねじ部12aに螺合さ
れ、他方の重錘13の位置を調整するナットである。FIG. 3 shows another embodiment of the present invention. In this embodiment, the support rod 12 slidably penetrates the holding metal fitting 11 and extends straight on both sides of the pipe P in the direction orthogonal to the axis. A pair of weights 13 and 13 are fitted and fixed to both ends of the support rod 12, and springs 14 and 1 are positioned on both sides of the grip fitting 11.
5. Plastic deformation members 16 and 17 are fitted. 18 is a support rod
A retaining collar fixed to one end of 12 and retaining one of the weights 13 and 19 is a nut for adjusting the position of the other weight 13 by being screwed into the threaded portion 12a of the other end of the support rod 12. is there.
この実施例の場合には、配管Ｐの振動により重錘13,13
が、支持棒12と共に、把持金具11上を相対移動し、これ
によりばね14,15及び塑性変形部材16,17が伸縮して、先
の実施例同様、配管Ｐの振動を減衰、抑制する。In the case of this embodiment, the weights 13, 13 are generated by the vibration of the pipe P.
However, with the support rod 12, they move relative to each other on the holding metal fitting 11, and thereby the springs 14 and 15 and the plastically deformable members 16 and 17 expand and contract, damping and suppressing the vibration of the pipe P as in the previous embodiment.
第４図には本発明のさらに他の実施例を示す。この実施
例のものは、配管Ｐの軸線方向の振動を抑制するための
もので、配管Ｐの外周に直接取付けられている。即ち、
配管Ｐを取り巻く断熱材Ａの外側には、軸線方向に間隔
を置いて対向一対のばね受け鍔21,22が固着されてい
る。また、これらばね受け鍔21,22の間に位置して、断
熱材Ａの外側に重錘23が軸線方向相対移動自在に嵌め込
まれると共に、重錘23とばね受け鍔21,22の間に位置し
て、ばね24,25及び塑性変形部材26,27が介設されてい
る。FIG. 4 shows still another embodiment of the present invention. This embodiment is for suppressing the vibration of the pipe P in the axial direction, and is directly attached to the outer periphery of the pipe P. That is,
On the outer side of the heat insulating material A surrounding the pipe P, a pair of opposed spring receiving flanges 21 and 22 are fixed at intervals in the axial direction. In addition, the weight 23 is located between the spring receiving collars 21 and 22 and is fitted to the outside of the heat insulating material A so as to be relatively movable in the axial direction, and is positioned between the weight 23 and the spring receiving collars 21 and 22. Then, the springs 24 and 25 and the plastically deformable members 26 and 27 are interposed.
しかして、この実施例の場合にも、配管Ｐの軸線方向の
振動により重錘23,23が相対移動し、これによりばね24,
25及び塑性変形部材26,27が伸縮して、先の実施例同
様、配管Ｐの振動を抑制する。Also in the case of this embodiment, the weights 23, 23 relatively move due to the vibration of the pipe P in the axial direction, which causes the springs 24,
25 and the plastically deformable members 26, 27 expand and contract to suppress the vibration of the pipe P as in the previous embodiment.
（発明の効果） 以上のように、本発明においては、配管Ｐのような被制
振体に相対移動自在に重錘3,13,23を取付け、この重錘
3,13,23を移動方向の両側からばね4,5,14,15,24,25で挟
んで弾圧保持し、かつこの重錘3,13,23の両側には、重
錘3,13,23の移動により塑性変形する塑性変形部材6,7,1
6,17,26,27を設けて制振装置を構成したため、ばね力に
より被制振体の振動が吸収、抑制され、同時に塑性変形
部材6,7,16,17,26,27が塑性変形を繰返すことで振動エ
ネルギが熱に変換、消費されるので、その分振動が減衰
され、従って効果的に制振作用を行うことができるとい
う効果を奏する。(Effects of the Invention) As described above, in the present invention, the weights 3, 13, 23 are attached to the vibration-damped body such as the pipe P so as to be relatively movable.
3,3,23 are sandwiched by springs 4,5,14,15,24,25 from both sides in the moving direction to hold the elastic force, and the weights 3,13,23 are provided on both sides of the weights 3,13,23. 23 plastically deformable members that are plastically deformed by movement of 6, 7, 1
Since the vibration damping device is configured by providing 6,17,26,27, the vibration of the vibration-damped body is absorbed and suppressed by the spring force, and at the same time, the plastic deformation members 6,7,16,17,26,27 are plastically deformed. By repeating the above, the vibration energy is converted into heat and consumed, so that the vibration is attenuated by that amount, so that the effect of effectively suppressing the vibration can be obtained.
図面は本発明の実施例を示すもので、第１図は制振装置
の正面図、第２図は制振装置の原理図、第３図は他の実
施例の制振装置の正面図、第４図はさらに他の実施例の
正面図である。 3,13,23……重錘、4,5,14,15,24,25……ばね、6,7,16,1
7,26,27……塑性変形部材、Ｐ……配管（被制振体）。The drawings show an embodiment of the present invention. FIG. 1 is a front view of a vibration damping device, FIG. 2 is a principle diagram of the vibration damping device, and FIG. 3 is a front view of a vibration damping device of another embodiment. FIG. 4 is a front view of still another embodiment. 3,13,23 …… Weight, 4,5,14,15,24,25 …… Spring, 6,7,16,1
7,26,27 …… Plastic deformation member, P …… Piping (vibrated body).
Claims (4)
この重錘と被制振体との間に両者を所定のばね定数で連
結するばね設けると共に、重錘の相対移動により塑性変
形する塑性変形部材を設けたことを特徴とする制振装
置。1. A weight is attached to a vibration-damped body so as to be relatively movable,
A vibration damping device characterized in that a spring is provided between the weight and the vibration-damped body so as to connect them with a predetermined spring constant, and a plastic deformation member which is plastically deformed by relative movement of the weight is provided.
に、配管の軸線直交方向に真っ直に延出する支持棒を取
付け、この支持棒上に、それの軸線方向に移動自在の重
錘と、この重錘と被制振体とを所定のばね定数で連結す
るばねと、前記重錘の移動により塑性変形する塑性変形
部材とを取付けたことを特徴とする制振装置。2. A support rod extending straight in a direction orthogonal to the axis of the pipe is attached to a gripping metal fitting for holding the pipe which is a vibration-damped body, and the support rod is movable on the support rod in the axial direction thereof. A vibration damping device comprising: a weight, a spring connecting the weight and the vibration-damped body with a predetermined spring constant, and a plastic deformation member that is plastically deformed by the movement of the weight.
配管の軸線直交方向に貫通する支持棒をの両端に重錘を
取り付け、かつ前記把持金具と重錘との間には、重錘と
被制振体とを所定のばね定数で連結するばねと、前記重
錘の移動により塑性変形する塑性変形部材とを介設した
ことを特徴とする制振装置。3. A weight is attached to both ends of a support rod that penetrates a holding metal fitting that is a vibration-damped body in a direction orthogonal to the axis of the piping, and a weight is provided between the holding metal fitting and the weight. A vibration damping device comprising: a spring that connects a weight and a vibration-damped body at a predetermined spring constant; and a plastic deformation member that plastically deforms due to the movement of the weight.
隔を置いて対向一対のばね受け鍔を設け、これらばね受
け鍔の間に重錘を軸線方向移動自在に設け、この重錘の
両側のばね受け鍔との間に、重錘と被制振体とを所定の
ばね定数で連結するばねを介設すると共に、重錘の移動
により塑性変形する塑性変形部材とを介設したことを特
徴とする制振装置。4. A pair of opposed spring receiving flanges are provided on the outer periphery of a pipe, which is a vibration-damped body, at intervals in the axial direction, and a weight is provided between the spring receiving flanges so as to be movable in the axial direction. A spring that connects the weight and the vibration-damped body with a predetermined spring constant is provided between the spring receiving flanges on both sides of the weight, and a plastic deformation member that plastically deforms due to the movement of the weight is provided. A vibration control device characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1873288A JPH07109228B2 (en) | 1988-01-29 | 1988-01-29 | Vibration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1873288A JPH07109228B2 (en) | 1988-01-29 | 1988-01-29 | Vibration control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01193420A JPH01193420A (en) | 1989-08-03 |
| JPH07109228B2 true JPH07109228B2 (en) | 1995-11-22 |
Family
ID=11979843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1873288A Expired - Lifetime JPH07109228B2 (en) | 1988-01-29 | 1988-01-29 | Vibration control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07109228B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291798A (en) * | 2013-05-29 | 2013-09-11 | 南京航空航天大学 | Bidirectional flexible supporting device with adjustable pretightening force |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03117743A (en) * | 1989-09-29 | 1991-05-20 | Sanwa Tekki Corp | Damping device |
| CN106015817A (en) * | 2016-07-08 | 2016-10-12 | 中国船舶重工集团公司第七〇九研究所 | Pipeline power vibration absorber with adjustable vibration absorbing frequency |
| KR101951469B1 (en) * | 2017-04-06 | 2019-02-22 | 기언관 | pipe support stand |
-
1988
- 1988-01-29 JP JP1873288A patent/JPH07109228B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291798A (en) * | 2013-05-29 | 2013-09-11 | 南京航空航天大学 | Bidirectional flexible supporting device with adjustable pretightening force |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01193420A (en) | 1989-08-03 |
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