JP3229201B2 - Piping vibration control device - Google Patents
Piping vibration control deviceInfo
- Publication number
- JP3229201B2 JP3229201B2 JP11470696A JP11470696A JP3229201B2 JP 3229201 B2 JP3229201 B2 JP 3229201B2 JP 11470696 A JP11470696 A JP 11470696A JP 11470696 A JP11470696 A JP 11470696A JP 3229201 B2 JP3229201 B2 JP 3229201B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- weight
- frequency
- vibration
- ring
- 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 - Fee Related
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0335—Noise absorbers by means of external rings
-
- 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
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は配管に取付けてその
振動を抑制する配管制振装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe vibration damping device which is attached to a pipe to suppress vibration.
【０００２】[0002]
【従来の技術】図４は従来の配管制振装置の第１の例の
斜視図である。図において、２は母管、１は同母管から
分岐した制振対象の配管、３は同配管に設けられている
バルブ、５１は母管に取付けられたサポート材取付バン
ド、５２は同バンドと、前記配管１との間に斜めに掛け
渡され各端部が固定されているサポート材である。必要
に応じてサポート材は複数本設けられる。2. Description of the Related Art FIG. 4 is a perspective view of a first example of a conventional pipe vibration damping device. In the drawing, reference numeral 2 denotes a main pipe, 1 denotes a pipe to be damped branched from the main pipe, 3 denotes a valve provided on the same pipe, 51 denotes a support material mounting band mounted on the main pipe, and 52 denotes the same band. And a support member which is obliquely bridged between the pipe 1 and each end thereof. A plurality of support materials are provided as needed.
【０００３】図５は従来の配管制振装置の第２の例の斜
視図である。図において、１は制振対象の配管、５３は
同配管から独立している固定台、５４は配管１と固定台
５３との間に設けられたダンパである。FIG. 5 is a perspective view of a second example of a conventional pipe vibration damping device. In the figure, reference numeral 1 denotes a pipe to be damped, 53 denotes a fixed base independent of the pipe, and 54 denotes a damper provided between the pipe 1 and the fixed base 53.
【０００４】図６は従来の配管制振装置の第３の例の斜
視図である。１は制振対象の配管、５５はおもり（角
型）、５６は配管１に取り付けられた平板ばねであっ
て、その先端に前記のおもり５５が取り付けてある。FIG. 6 is a perspective view of a third example of a conventional pipe vibration damping device. 1 is a pipe to be damped, 55 is a weight (square type), 56 is a flat spring attached to the pipe 1, and the weight 55 is attached to the tip thereof.
【０００５】[0005]
【発明が解決しようとする課題】従来技術の第１の例に
おいては、サポート材５２を設置するためにはサポート
材を支持するサポート材取付けバンド５１が必要であ
り、また複数の配管が入り組んでいるような狭い場所で
はサポート材自体の設置が困難である。また、従来技術
の第２の例においては、制振用のダンパー５４はコスト
が高く、また設置するためには固定台５３が必要となる
など、現場では容易に設置することは難しい。さらに、
高温配管については、高温によりダンパー特性が変化す
るため、設置が困難である。従来技術の第３の例におけ
る単純な角型おもり５５と平板ばね５６とからなる装置
では、配管の一方向のみの制振であり、配管の軸に直角
の平面内で制振するためには、装置が複数個必要であ
る。また減衰特性を有していないため振動数を適確にチ
ューニングする必要があり調整も難しい。In the first example of the prior art, a support material mounting band 51 for supporting the support material is required for installing the support material 52, and a plurality of pipes are intricate. It is difficult to install the support material itself in a narrow place. Further, in the second example of the related art, the damper 54 for vibration damping is expensive and requires a fixed base 53 for installation. further,
It is difficult to install high-temperature piping because damper characteristics change due to high temperatures. In the device including the simple square weight 55 and the flat spring 56 in the third example of the related art, the vibration is damped only in one direction of the pipe. In order to control the vibration in a plane perpendicular to the axis of the pipe, , A plurality of devices are required. In addition, since it does not have damping characteristics, it is necessary to tune the frequency accurately, and it is difficult to adjust the frequency.
【０００６】本発明は上記従来技術の欠点を解消し、低
コストで、かつ複数配管が入り組んでいる狭い場所にお
いても設置可能な、かつ調整容易な配管制振装置を提供
しようとするものである。An object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide a low-cost, easily adjustable piping vibration control device which can be installed even in a narrow place where a plurality of pipings are involved. .
【０００７】[0007]
【課題を解決するための手段】本発明は上記課題を解決
したものであって、次の特徴を有する配管制振装置に関
するものである。内側に振動数調整用の直径が異なる複
数のリング状ばねと減衰用部材を備え、同振動数調整用
のリング状ばねと同減衰用部材を介して制振対象配管の
外周に接触する円環状のおもりを同制振対象配管の外周
部に備え、前記振動数調整用のリング状ばねは重ねて前
記円環状のおもりの内面に取り付けられているととも
に、前記円環状のおもりは、一端部が回転ジョイントで
接続され他端部が開口した一対の部分からなり、前記円
環状のおもりの開口部に取り付けられ同開口の間隔を調
整することによって前記制振対象配管側へ当接する前記
振動数調整用のばねの数を変え剛性を変化させて振動数
を調節するためのボルトとナットを有する。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and relates to a pipe vibration damping device having the following features. A plurality of ring-shaped springs having different diameters for frequency adjustment and a damping member are provided on the inner side, and an annular ring is in contact with the outer periphery of the pipe to be damped through the ring-shaped spring for frequency adjustment and the damping member. Weight is provided on the outer peripheral portion of the pipe to be damped, and the ring-shaped spring for adjusting the frequency is
It is attached to the inner surface of the circular weight
The annular weight has a rotating joint at one end.
The circle comprises a pair of connected and open ends.
It is attached to the opening of the annular weight and adjusts the distance between the openings.
The abutment on the side of the damping target pipe by adjusting
Change the number of springs for frequency adjustment and change the rigidity to change the frequency.
It has bolts and nuts for adjusting .
【０００８】[0008]
【発明の実施の形態】図１は本発明の実施の第１形態に
係る配管制振装置の装着状態の斜視図、図２は同実施形
態の配管制振装置の二面図であり、（ａ）は側面図、
（ｂ）は（ａ）のＦ−Ｆ断面矢視図、図３は同実施形態
において振動数調整用多重板ばねを締め付けた状態にお
ける上記Ｆ−Ｆ断面矢視図である。図において、１は制
振対象配管、１８はおもりである。このおもりは一対の
部分からなり、回転ジョイント１９で接続され、全体と
してΩ形、即ち、一部で開口した環状となっている。２
０は上記開口部の両側の穴に挿通されているずん切りボ
ルト、２１は同ずん切りボルトの両端部に装着されてい
るナットである。２２は振動数調整用多重ばね、２３は
減衰用摩擦板ばねである。これらのばねはいずれも板ば
ね取付ボルト１７を用いておもり１８に取付けられてい
る。本実施形態では配管制振装置は振動数調整用多重板
ばね２２を介して直接配管１に締め付けて取付けられる
ので、配管１へ固定するための固定治具は不要であり、
取付けが容易である。FIG. 1 is a perspective view of a mounted state of a pipe vibration damping device according to a first embodiment of the present invention , and FIG.
2A is a side view of the pipe vibration damping device in a state , and FIG.
(B) is a sectional view taken along the line FF of (a), and FIG. 3 is a sectional view taken along the line FF of the same embodiment in a state where the multiple leaf springs for frequency adjustment are tightened. In the figure, 1 is a pipe to be damped, and 18 is a weight. This weight is composed of a pair of parts, connected by a rotary joint 19, and has a Ω shape as a whole, that is, an annular shape partially open. 2
Numeral 0 denotes a chopped bolt inserted into holes on both sides of the opening, and 21 denotes nuts mounted on both ends of the chopped bolt. 22 is a multiple spring for adjusting the frequency, and 23 is a friction leaf spring for damping. Each of these springs is attached to a weight 18 using a leaf spring attachment bolt 17. In this embodiment, the pipe vibration damping device is directly tightened and attached to the pipe 1 via the multiple leaf springs 22 for frequency adjustment, so that a fixing jig for fixing to the pipe 1 is unnecessary,
Easy to install.
【０００９】本装置においては、振動数調整用多重板ば
ね２２は複数の大小の多層ばねから構成され、図３に示
されるように、ナット２１によるおもり１８の締め付け
具合によって容易に、即ち配管側へ当接するばねの数に
応じて剛性を変化させ、振動数を調節できる構造となっ
ている。また、おもり１８には、減衰用として減衰用摩
擦板ばね２３が取付けられ、その端部側面は配管１に接
しており、おもり１８が振動するとその接触面において
摩擦力が発生して減衰力となる。振動数調整用多重板ば
ね２２および減衰用摩擦板ばね２３は高温に対しても十
分な特性を有するため、高温条件下においても本制振装
置の適用が可能である。[0009] In this apparatus, the frequency adjustment for multiple plate spring 22 is composed of a multilayer spring of a plurality of large and small, as shown in FIG. 3, easily by tightness of the weight 18 by the nut 21, i.e. the pipe-side The rigidity is changed in accordance with the number of springs that abut against the spring, and the frequency can be adjusted. Further, a damping friction leaf spring 23 is attached to the weight 18 for damping, and an end side surface thereof is in contact with the pipe 1. When the weight 18 vibrates, a frictional force is generated on the contact surface, and the damping force is generated. Become. Since the multiple leaf springs 22 for frequency adjustment and the friction leaf springs 23 for damping have sufficient characteristics even at high temperatures, the present vibration damping device can be applied even under high temperature conditions.
【００１０】以上詳述したように、これらの実施形態に
は次のような効果がある。 （１）本配管用制振装置により、ポンプの吐出あるいは
脈動などによる配管振動を低減させることができる。 （２）制振装置は固定用の治具で取り付けるだけであ
り、または治具無しで取り付けるものもあり、既設の配
管に対しても容易に適用可能である。 （３）固定台やオイルダンパー等が不要であり、コンパ
クトな構造となっている。したがって、狭い場所に設置
でき、低コストである。 （４）装置１個で配管に直交する平面内の制振が可能で
ある。 （５）調整が容易である。 （６）実施形態においては、耐熱性の高い部材のみを用
いているので、高温環境下において使用することができ
る。As described in detail above, these embodiments have the following effects. (1) The vibration control device for piping can reduce the vibration of the piping due to the discharge or pulsation of the pump. (2) The vibration damping device may be simply mounted with a fixing jig, or may be mounted without a jig, and can be easily applied to existing piping. (3) A fixed structure, an oil damper, and the like are not required, and the structure is compact. Therefore, it can be installed in a narrow place and the cost is low. (4) Vibration suppression in a plane perpendicular to the pipe is possible with one device. (5) Adjustment is easy. (6) In the implementation form, because of the use of only high heat resistance member, can be used in a high-temperature environment.
【００１１】[0011]
【発明の効果】本発明の配管制振装置は、振動数調整用
の直径が異なる複数のリング状ばねと減衰用部材を配管
と円環状のおもりの間に備え、前記振動数調整用のリン
グ状ばねは重ねて前記円環状のおもりの内面に取り付け
られているとともに、前記円環状のおもりは、一端部が
回転ジョイントで接続され他端部が開口した一対の部分
からなり、前記円環状のおもりの開口部に取り付けられ
同開口の間隔を調整することによって前記制振対象配管
側へ当接する前記振動数調整用のばねの数を変え剛性を
変化させて振動数を調節するためのボルトとナットを有
するものとしているので、低コストで、かつ複数配管が
入り組んでいる狭い場所においても設置可能な、かつ調
整容易な配管制振装置を提供することができる。According to the pipe vibration damping device of the present invention, a plurality of ring-shaped springs having different diameters for adjusting the frequency and a damping member are provided between the pipe and the annular weight, and the ring for adjusting the frequency is provided .
Springs are attached to the inner surface of the annular weight.
And the annular weight has one end
A pair of parts that are connected by a rotary joint and open at the other end
Attached to the opening of the annular weight
By adjusting the distance between the openings, the pipe to be damped
The number of springs for adjusting the frequency that abuts against the
Has bolts and nuts for changing and adjusting the frequency
Since it is assumed that, at a low cost, and also can be installed in a narrow place where multiple pipes are intricate, and it is possible to provide an adjustment easy piping vibration damping device.
【図１】本発明の第１実施形態に係る配管制振装置の装
着状態の斜視図。FIG. 1 is a perspective view of a mounted state of a pipe vibration damping device according to a first embodiment of the present invention.
【図２】本発明の実施形態に係る配管制振装置の二面図
であり、（ａ）は側面図、（ｂ）は（ａ）のＦ−Ｆ断面
矢視図。[Figure 2] is a two-view drawing of the piping vibration damping device according to the actual 施形 condition of the present invention, (a) is a side view, (b) the F-F cross-sectional arrow view of (a).
【図３】上記装置において、振動数調整用多重板ばねを
締め付けた状態における上記Ｆ−Ｆ断面矢視図。FIG. 3 is a sectional view taken along the line FF in a state where a multiple leaf spring for frequency adjustment is tightened in the device.
【図４】従来の配管制振装置の第１の例の斜視図。FIG. 4 is a perspective view of a first example of a conventional pipe vibration damping device.
【図５】従来の配管制振対策の第２の例の斜視図。FIG. 5 is a perspective view of a second example of conventional piping vibration suppression measures.
【図６】従来の配管制振対策の第３の例の斜視図。FIG. 6 is a perspective view of a third example of conventional piping vibration suppression measures.
１ 配管 ２ 母管 ３ バルブ ４ 配管制振装置 １７ 板ばね取付ボルト １８ おもり １９ 回転ジョイント ２０ ずん切りボルト ２１ ナット ２２ 振動数調整用多重板ばね ２３ 減衰用摩擦板ばね ５１ サポート材取付バンド ５２ サポート材 ５３ 固定台 ５４ ダンパ ５５ おもり ５６ 平板ばね DESCRIPTION OF SYMBOLS 1 Piping 2 Main pipe 3 Valve 4 Piping vibration damping device 17 Leaf spring mounting bolt 18 Weight 19 Rotating joint 20 Cutting bolt 21 Nut 22 Multiple leaf spring for frequency adjustment 23 Damping friction leaf spring 51 Support material mounting band 52 Support material 53 Fixed stand 54 Damper 55 Weight 56 Plate spring
───────────────────────────────────────────────────── フロントページの続き (72)発明者 梅本 剛央 神戸市兵庫区和田崎町一丁目１番１号 三菱重工業株式会社神戸造船所内 (56)参考文献 実開 昭62−39040（ＪＰ，Ｕ) 実開 昭61−183418（ＪＰ，Ｕ) 実開 昭48−12484（ＪＰ，Ｕ) 実開 昭59−28623（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F16F 15/02 F16L 3/205 F16L 55/00 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Goo Umemoto 1-1-1, Wadazakicho, Hyogo-ku, Kobe-shi Inside Kobe Shipyard, Mitsubishi Heavy Industries, Ltd. ) Japanese Utility Model Showa 61-183418 (JP, U) Japanese Utility Model Showa 48-12484 (JP, U) Japanese Utility Model Showa 59-28623 (JP, U) (58) Fields surveyed (Int. Cl. 7 , DB name) F16F 15/02 F16L 3/205 F16L 55/00
Claims (1)
のリング状ばねと減衰用部材を備え、同振動数調整用の
リング状ばねと同減衰用部材を介して制振対象配管の外
周に接触する円環状のおもりを同制振対象配管の外周部
に備え、前記振動数調整用のリング状ばねは重ねて前記
円環状のおもりの内面に取り付けられているとともに、
前記円環状のおもりは、一端部が回転ジョイントで接続
され他端部が開口した一対の部分からなり、前記円環状
のおもりの開口部に取り付けられ同開口の間隔を調整す
ることによって前記制振対象配管側へ当接する前記振動
数調整用のばねの数を変え剛性を変化させて振動数を調
節するためのボルトとナットを有することを特徴とする
配管制振装置。1. A plurality of ring-shaped springs having different diameters for frequency adjustment and a damping member are provided on an inner side, and an outer periphery of a pipe to be damped via the ring-shaped spring for frequency adjustment and the damping member. An annular weight is provided on the outer peripheral portion of the vibration control target pipe, and the ring-shaped spring for adjusting the frequency is overlapped with the annular weight.
Attached to the inner surface of the annular weight,
One end of the annular weight is connected with a rotary joint
The other end of which is open
Attached to the opening of the weight to adjust the distance between the openings
The vibration that comes into contact with the vibration suppression target pipe side
Adjust the frequency by changing the number of springs for number adjustment and changing the rigidity.
A pipe vibration damping device having a bolt and a nut for knotting .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11470696A JP3229201B2 (en) | 1995-06-07 | 1996-05-09 | Piping vibration control device |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14048795 | 1995-06-07 | ||
| JP7-299774 | 1995-11-17 | ||
| JP7-140487 | 1995-11-17 | ||
| JP29977495 | 1995-11-17 | ||
| JP11470696A JP3229201B2 (en) | 1995-06-07 | 1996-05-09 | Piping vibration control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09196096A JPH09196096A (en) | 1997-07-29 |
| JP3229201B2 true JP3229201B2 (en) | 2001-11-19 |
Family
ID=27312801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11470696A Expired - Fee Related JP3229201B2 (en) | 1995-06-07 | 1996-05-09 | Piping vibration control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3229201B2 (en) |
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| JP2015010690A (en) * | 2013-07-01 | 2015-01-19 | 株式会社神戸製鋼所 | Vibration reduction structure of pipeline and construction machine including the same |
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| JP6869062B2 (en) * | 2017-03-17 | 2021-05-12 | 三菱重工業株式会社 | Vibration damping connector device |
| CN107270037A (en) * | 2017-06-08 | 2017-10-20 | 成都大漠石油技术有限公司 | Avoid the mechanism of pipe connection portion position corrosion |
| CN109899598A (en) * | 2019-02-28 | 2019-06-18 | 江苏工邦振控科技有限公司 | A kind of continuously adjustable pipeline fixture of novel low-frequency high temperature resistant rigidity |
| CN114087311B (en) * | 2021-11-22 | 2023-05-30 | 江苏科技大学 | Device for semi-actively controlling vibration of cylindrical shell |
| CN114483870B (en) * | 2022-01-26 | 2023-10-20 | 太原理工大学 | Rigid-flexible coupling vibration absorbing device for vertical vibration of rolling mill roller system |
-
1996
- 1996-05-09 JP JP11470696A patent/JP3229201B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09196096A (en) | 1997-07-29 |
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