JP2001324080A - Dynamic damper for piping - Google Patents
Dynamic damper for pipingInfo
- Publication number
- JP2001324080A JP2001324080A JP2000143800A JP2000143800A JP2001324080A JP 2001324080 A JP2001324080 A JP 2001324080A JP 2000143800 A JP2000143800 A JP 2000143800A JP 2000143800 A JP2000143800 A JP 2000143800A JP 2001324080 A JP2001324080 A JP 2001324080A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- dynamic damper
- piping
- mounting portion
- mass 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.)
- Pending
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
- F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、様々な機器やプラ
ント等に設けられた配管の振動を低減するための配管用
ダイナミックダンパに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe dynamic damper for reducing the vibration of pipes provided in various devices and plants.
【０００２】[0002]
【従来の技術】一般に、工場内に設けられる様々な配管
は静的な構造物に沿って配置されているが、必ずしも静
的な構造物に沿って配管を配置できない場合もある。例
えば、図５に示すコンプレッサ３０においては、吸入側
と吐出側とを接続するガスバランス用の配管３１は、コ
ンプレッサ３０の外側を経由して接続される。このよう
な場合は、コンプレッサ３０の駆動時にコンプレッサ３
０の振動に共振して、配管３１が振動するという問題が
あるため、配管３１に専用の振動低減用の架構３２を設
けていた。2. Description of the Related Art Generally, various pipes provided in a factory are arranged along a static structure, but there are cases where the pipes cannot always be arranged along a static structure. For example, in the compressor 30 shown in FIG. 5, a gas balance pipe 31 connecting the suction side and the discharge side is connected via the outside of the compressor 30. In such a case, when the compressor 30 is driven, the compressor 3
Since there is a problem that the pipe 31 vibrates due to resonance with the vibration of 0, the pipe 31 is provided with a dedicated frame 32 for vibration reduction.
【０００３】[0003]
【発明が解決しようとする課題】上記のように専用の架
構３２を設けることとすれば、配管３１の振動を低減す
ることはできるが、架構３２によってコンプレッサ３０
の付近のスペースが狭くなり、作業者の通行や物の搬送
の妨げとなっていた。If the exclusive frame 32 is provided as described above, the vibration of the pipe 31 can be reduced.
The space around is becoming narrower, hindering the passage of workers and the transport of goods.
【０００４】そこで、本発明は上記課題を解決し、省ス
ペースで、かつコンプレッサ等の原動機の付近に配設さ
れる配管の振動を低減することを目的とする。Accordingly, an object of the present invention is to solve the above-mentioned problems and to reduce the vibration of piping arranged near a prime mover such as a compressor in a small space.
【０００５】[0005]
【課題を解決するための手段】本発明に係る配管用ダイ
ナミックダンパは、配管に生じる振動を低減するための
配管用ダイナミックダンパであって、配管の外周を取り
囲むように取り付けられた取付部と、取付部の外面に弾
性体を介して固定された質量体とを備えることを特徴と
する。A pipe dynamic damper according to the present invention is a pipe dynamic damper for reducing vibration generated in a pipe, comprising: a mounting portion mounted so as to surround an outer periphery of the pipe; A mass fixed to the outer surface of the mounting portion via an elastic body.
【０００６】このように、弾性体をばね、質量体を付加
質量として構成した配管用ダイナミックダンパは、配管
の振動を低減することができる。また、本発明による配
管用ダイナミックダンパは、ばね（弾性体）及び付加質
量（質量体）というダイナミックダンパを構成する最小
限の要素によって実現されており、省スペース化に資す
ることができる。As described above, the pipe dynamic damper in which the elastic body is a spring and the mass body is an additional mass can reduce the vibration of the pipe. Further, the dynamic damper for piping according to the present invention is realized by the minimum elements constituting the dynamic damper, such as a spring (elastic body) and an additional mass (mass body), and can contribute to space saving.
【０００７】また、上記配管用ダイナミックダンパにお
いて、弾性体は、取付部を挟持する一対の弾性体と、一
対の弾性体が配管を挟持する方向とは垂直な方向から取
付部を挟持する一対の弾性体とを有することを特徴とし
ても良い。In the dynamic damper for piping, the elastic body includes a pair of elastic bodies for holding the mounting portion and a pair of elastic bodies for holding the mounting portion in a direction perpendicular to the direction in which the pair of elastic bodies hold the piping. It may be characterized by having an elastic body.
【０００８】このように、垂直な２方向から弾性体によ
って配管を挟持することにより、配管の長手方向と垂直
な平面内のあらゆる方向についての振動を効果的に低減
することができる。As described above, by sandwiching the pipe with the elastic body from two perpendicular directions, it is possible to effectively reduce vibrations in all directions in a plane perpendicular to the longitudinal direction of the pipe.
【０００９】また、上記配管用ダイナミックダンパは、
質量体の重量を調整できることを特徴としても良い。Further, the above-mentioned dynamic damper for piping includes:
The weight of the mass body may be adjusted.
【００１０】このように質量体の重量を調整することが
できることとすれば、最大の振動減衰効果が得られるよ
うに付加質量を調整することができる。質量体の重量を
調整する手段としては、質量体に任意の重量を有する第
２の質量体を取り付けることが可能な構成であっても良
い。If the weight of the mass body can be adjusted in this way, the additional mass can be adjusted so as to obtain the maximum vibration damping effect. As a means for adjusting the weight of the mass body, a configuration in which a second mass body having an arbitrary weight can be attached to the mass body may be used.
【００１１】また、上記配管用ダイナミックダンパにお
いて、質量体はＬ字状に屈曲された２個の板状体からな
り、各板状体は互いに締結されていることを特徴として
も良い。In the above-mentioned dynamic damper for piping, the mass body may be composed of two plate-shaped bodies bent in an L-shape, and the plate-shaped bodies may be fastened to each other.
【００１２】このように、Ｌ字形状の２個の板状体を組
み合わせることにより、取付部を取り囲む形状の質量体
を容易に構成することができる。また、２個のＬ字形状
の板状体を締結して、取付部との間に介在される弾性体
を押さえることにより、質量体は弾性体を介して取付部
に確実に支持されることとなる。As described above, by combining the two L-shaped plates, a mass body having a shape surrounding the mounting portion can be easily formed. In addition, by fastening the two L-shaped plate-like bodies and pressing down the elastic body interposed between the mounting part, the mass body is securely supported by the mounting part via the elastic body. Becomes
【００１３】また、上記配管用ダイナミックダンパにお
いて、取付部はＬ字状に屈曲された２個の板状体からな
り、各板状体は互いに締結されていることを特徴として
も良い。In the above-mentioned dynamic damper for piping, the mounting portion may be formed of two plate-shaped members bent in an L-shape, and each plate-shaped member may be fastened to each other.
【００１４】このように、Ｌ字形状の２個の板状体を締
結して取付部を構成することとすれば、２個のＬ字形状
の板状体によって配管を締め付けることにより、取付部
を配管に対して確実に取り付けることができる。As described above, if the L-shaped two plate-shaped members are fastened to constitute the mounting portion, the pipe is tightened by the two L-shaped plate-shaped members, whereby the mounting portion is formed. Can be securely attached to the pipe.
【００１５】[0015]
【発明の実施の形態】以下、図面と共に本発明に係る配
管用ダイナミックダンパの好適な実施形態について詳細
に説明する。なお、図面の説明においては同一要素には
同一符号を付し、重複する説明を省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a dynamic damper for piping according to the present invention will be described below in detail with reference to the drawings. In the description of the drawings, the same elements will be denoted by the same reference symbols, without redundant description.
【００１６】図１は、本発明の実施形態に係る配管用ダ
イナミックダンパ１０の外観を示す斜視図である。本実
施形態においては、図１に示すように、配管用ダイナミ
ックダンパ１０はコンプレッサ３０のガスバランス用の
配管３１に２個取り付けられている。なお、配管３１に
取り付けられる配管用ダイナミックダンパ１０の数は２
個に限定されず、配管３１の長さや付近に存在する振動
発生源に対応して定めることができる。FIG. 1 is a perspective view showing an appearance of a dynamic damper 10 for piping according to an embodiment of the present invention. In the present embodiment, as shown in FIG. 1, two pipe dynamic dampers 10 are attached to a gas balance pipe 31 of the compressor 30. The number of the pipe dynamic dampers 10 attached to the pipe 31 is two.
It is not limited to the individual number, and can be determined in accordance with the length of the pipe 31 and the vibration source existing in the vicinity.
【００１７】次に、配管用ダイナミックダンパ１０の構
成について、図２を参照しながら説明する。配管用ダイ
ナミックダンパ１０は、配管３１に取り付けられた取付
部１１と、取付部１１の外側に設けられた弾性体１３
と、弾性体１３を介して取付部１１に支持される質量体
１２とを備えている。取付部１１は、Ｌ字形状に屈曲さ
れた２枚の板状体１１ａを有しており、各板状体１１ａ
の両端部にはフランジ部１１ｂが形成されている。配管
３１を挟むように配置された２枚の板状体１１ａは、フ
ランジ部１１ｂをボルト１７で止めることによって一体
に締結され、この締め付け力によって取付部１１は配管
３１に固定されている。また、質量体１２は、Ｌ字形状
に屈曲された２枚の板状体１２ａを有しており、各板状
体１２ａの両端部にはフランジ部１２ｂが形成されてい
る。２枚の板状体１２ａの各面と前述の取付部１１を構
成する２枚の板状体１１ａの各面とが平行に対面するよ
うにして、質量体１２の２枚の板状体１２ａは配置され
る。そして、対面する各面の間には弾性体１３が介在さ
れ、各弾性体１３は質量体１２の各面の内側（配管３１
側）に固定されている。垂直な２方向から取付部１１を
挟むようにして４個の弾性体１３を固定することによ
り、配管３１と垂直な面方向に生じる配管３１の振動を
効率良く吸収することができる。Next, the structure of the pipe dynamic damper 10 will be described with reference to FIG. The pipe dynamic damper 10 includes a mounting portion 11 mounted on the pipe 31 and an elastic body 13 provided outside the mounting portion 11.
And a mass body 12 supported by the mounting portion 11 via an elastic body 13. The mounting portion 11 has two plate-shaped members 11a bent in an L-shape.
Are formed with flange portions 11b at both ends. The two plate-like bodies 11a arranged so as to sandwich the pipe 31 are integrally fastened by fixing the flange portion 11b with bolts 17, and the mounting portion 11 is fixed to the pipe 31 by this tightening force. The mass body 12 has two plate-shaped bodies 12a bent in an L-shape, and flanges 12b are formed at both ends of each plate-shaped body 12a. The two plate-like members 12a of the mass body 12 are arranged such that each surface of the two plate-like members 12a and each surface of the two plate-like members 11a constituting the above-described mounting portion 11 face in parallel. Is arranged. An elastic body 13 is interposed between the facing surfaces, and each elastic body 13 is located inside each surface of the mass body 12 (the pipe 31).
Side). By fixing the four elastic members 13 so as to sandwich the mounting portion 11 from two perpendicular directions, vibration of the pipe 31 generated in a plane direction perpendicular to the pipe 31 can be efficiently absorbed.
【００１８】次に、弾性体１３について図３を参照しな
がら説明する。弾性体１３は、図２及び図３に見られる
ように円柱形状に成形されたゴムであり、円柱の底面が
座金１４に取り付けられている。そして、弾性体１３が
取り付けられた座金１４は、２個のボルト１６によって
質量体１２の各面に取り付けられる。ここで用いられる
弾性体１３のばね定数は、２００Ｋｇｆ／ｃｍ程度であ
る。そして、質量体１２を構成する２枚の板状体１２ａ
はフランジ部１２ｂをボルト１８で止めることによって
一体に締結され、この締め付け力によって弾性体１３は
取付部１１に押し付けられる。これにより、質量体１２
は取付部１１に対して固定されることとなる。また、質
量体１２には外面に４個の質量調整用のプレート１５が
取り付けられている（図２参照）。プレート１５は質量
体１２の対向する２面にボルト１９によって取り付けら
れている。コンプレッサ３０の種類の応じてプレート１
５を取り替えることにより、質量体１２の重量を変更し
て様々な振動数の振動に対応することができる。なお、
取付部１１と質量体１２の総重量は１．０〜１．３Ｋｇ
程度であることが好ましい。Next, the elastic body 13 will be described with reference to FIG. The elastic body 13 is a rubber molded into a cylindrical shape as shown in FIGS. 2 and 3, and the bottom surface of the cylinder is attached to the washer 14. The washer 14 to which the elastic body 13 is attached is attached to each surface of the mass body 12 by two bolts 16. The spring constant of the elastic body 13 used here is about 200 kgf / cm. Then, the two plate-like bodies 12a constituting the mass body 12
Are integrally fastened by fixing the flange portion 12b with a bolt 18, and the elastic body 13 is pressed against the mounting portion 11 by this fastening force. Thereby, the mass body 12
Is fixed to the mounting portion 11. In addition, four mass adjusting plates 15 are attached to the outer surface of the mass body 12 (see FIG. 2). The plate 15 is attached to two opposing surfaces of the mass body 12 by bolts 19. Plate 1 according to the type of compressor 30
By replacing 5, the weight of the mass body 12 can be changed to cope with vibrations of various frequencies. In addition,
The total weight of the mounting portion 11 and the mass body 12 is 1.0 to 1.3 kg.
It is preferred that it is about.
【００１９】次に、本実施形態の配管用ダイナミックダ
ンパ１０の作用について説明する。本実施形態の配管用
ダイナミックダンパ１０は、弾性体１３を介して取付部
１１に質量体１２が取り付けられている。これにより、
配管３１に振動が生じた場合には、配管３１に固定され
ている取付部１１から弾性体１３を介して質量体１２に
振動が伝達される。この際、配管３１（取付部１１）の
振動周期と質量体１２の振動周期とが異なり、弾性体１
３の緩衝によって振動が減衰される。このように小型の
配管用ダイナミックダンパ１０を配管３１に取り付ける
ことにより、省スペースで配管３１の振動を低減させる
ことができる。Next, the operation of the pipe dynamic damper 10 of the present embodiment will be described. In the pipe dynamic damper 10 of the present embodiment, the mass body 12 is attached to the attachment portion 11 via the elastic body 13. This allows
When vibration occurs in the pipe 31, the vibration is transmitted from the mounting portion 11 fixed to the pipe 31 to the mass body 12 via the elastic body 13. At this time, the vibration cycle of the pipe 31 (the mounting portion 11) and the vibration cycle of the mass body 12 are different, and the elastic body 1
The vibration is attenuated by the buffer of 3. By attaching the small-sized pipe dynamic damper 10 to the pipe 31, the vibration of the pipe 31 can be reduced in a small space.
【００２０】振動の減衰の効果について、図４を参照し
ながら説明する。図４に示すグラフは、横軸に配管３１
に生じる振動数、縦軸に振幅倍率を示している。振動減
衰効果を調べる実験は、図１に示すように、コンプレッ
サ３０の配管３１に本実施形態に係る配管用ダイナミッ
クダンパ１０を２個取り付けて行った。そして、取付部
１１の重量を０．３Ｋｇとし、質量体１２の重量を０．
５Ｋｇ（Ｄ１）、０．５５Ｋｇ（Ｄ２）、０．６Ｋｇ
（Ｄ３）、０．６５Ｋｇ（Ｄ４）と変化させて図４に示
すグラフを得た。また、比較のため配管用ダイナミック
ダンパ１０を取り付けていない場合の結果（Ｄ０）につ
いても示している。図４からわかるように、配管３１に
配管用ダイナミックダンパ１０を取り付けていない場合
（Ｄ０）には、周波数１５０Ｈｚ付近で振幅倍率が最大
４０ｄＢに達する。一方、配管用ダイナミックダンパ１
０を取り付けた場合には、最大振幅倍率は１８ｄＢ程度
にまで大幅に減少する。The effect of vibration damping will be described with reference to FIG. The graph shown in FIG.
And the vertical axis shows the amplitude magnification. As shown in FIG. 1, an experiment for examining the vibration damping effect was performed by attaching two pipe dynamic dampers 10 according to the present embodiment to the pipe 31 of the compressor 30. Then, the weight of the mounting portion 11 is set to 0.3 kg, and the weight of the mass body 12 is set to 0.3 kg.
5 kg (D1), 0.55 kg (D2), 0.6 kg
The graph shown in FIG. 4 was obtained by changing (D3) and 0.65 kg (D4). Also, for comparison, the result (D0) when the dynamic damper 10 for piping is not attached is shown. As can be seen from FIG. 4, when the pipe dynamic damper 10 is not attached to the pipe 31 (D0), the amplitude magnification reaches a maximum of 40 dB near a frequency of 150 Hz. On the other hand, dynamic damper 1 for piping
When 0 is attached, the maximum amplitude magnification is greatly reduced to about 18 dB.
【００２１】また、図４に見られるように、質量体１２
の重量を変化させることにより、最大振幅倍率が生じる
周波数は変化する（Ｄ１〜Ｄ４参照）。従って、配管用
ダイナミックダンパ１０を取り付ける配管３１に主とし
て生じる周波数に対応して質量体１２の重量を変更する
ことにより、効果的に配管３１の振動を低減することが
できる。Also, as shown in FIG.
, The frequency at which the maximum amplitude magnification occurs changes (see D1 to D4). Therefore, by changing the weight of the mass body 12 in accordance with the frequency mainly generated in the pipe 31 to which the pipe dynamic damper 10 is attached, vibration of the pipe 31 can be effectively reduced.
【００２２】以上、本発明の実施形態について詳細に説
明してきたが、本発明は上記実施形態に限定されるもの
ではない。Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments.
【００２３】上記実施形態においては、弾性体１３はゴ
ムであるとして説明したが、弾性体１３はばねであって
も良い。In the above embodiment, the elastic body 13 is described as being made of rubber. However, the elastic body 13 may be made of a spring.
【００２４】また、上記実施形態においては、取付部１
１はＬ字形状の板状体を組み合わせた四角形であるが、
取付部１１の形状は配管３１に確実に固定できる形状で
あれば四角形に限定されず、六角形、八角形、又は円形
であっても良い。In the above embodiment, the mounting portion 1
1 is a rectangle formed by combining L-shaped plate-like bodies,
The shape of the mounting portion 11 is not limited to a square as long as it can be securely fixed to the pipe 31, and may be a hexagon, an octagon, or a circle.
【００２５】また、取付部１１と質量体１２との間に介
設される弾性体１３の数は４個に限定されず、配管３１
の振動を配管３１が破損しない程度まで吸収できれば良
い。例えば、上記のように取付部１１を六角形とし、六
角形の取付部１１の各面に１個ずつ取り付けても良い
し、六角形の各面のうち弾性体１３を取り付ける面と取
り付けない面を交互に設けても良い。The number of the elastic members 13 provided between the mounting portion 11 and the mass body 12 is not limited to four.
It is sufficient that the vibration of the pipe 31 can be absorbed to the extent that the pipe 31 is not damaged. For example, the mounting portion 11 may be hexagonal as described above, and one may be mounted on each surface of the hexagonal mounting portion 11, or a surface of the hexagonal surface on which the elastic body 13 is mounted and a surface on which the elastic body 13 is not mounted. May be provided alternately.
【００２６】[0026]
【発明の効果】本発明によれば、配管用ダイナミックダ
ンパを配管に取り付けることにより、省スペースで、か
つコンプレッサ等の原動機の付近に配設される配管の振
動を低減させることができる。According to the present invention, by attaching the pipe dynamic damper to the pipe, it is possible to save space and reduce the vibration of the pipe disposed near the prime mover such as a compressor.
【図面の簡単な説明】[Brief description of the drawings]
【図１】配管用ダイナミックダンパを示す斜視図であ
る。FIG. 1 is a perspective view showing a dynamic damper for piping.
【図２】配管用ダイナミックダンパを示す断面図であ
る。FIG. 2 is a sectional view showing a dynamic damper for piping.
【図３】配管用ダイナミックダンパを示す断面図であ
る。FIG. 3 is a sectional view showing a dynamic damper for piping.
【図４】配管用ダイナミックダンパの振動低減効果を示
す図である。FIG. 4 is a diagram showing a vibration reducing effect of a dynamic damper for piping.
【図５】従来の振動低減機構を示す図である。FIG. 5 is a diagram showing a conventional vibration reduction mechanism.
１０・・・配管用ダイナミックダンパ、１１・・・取付部、１
２・・・質量体、１３・・・弾性体、１４・・・座金、１５・・・プ
レート、１６〜１９・・・ボルト、３０・・・コンプレッサ、
３１・・・配管。10: Dynamic damper for piping, 11: Mounting part, 1
2 ... mass, 13 ... elastic, 14 ... washer, 15 ... plate, 16-19 ... bolt, 30 ... compressor,
31 ... piping.
Claims (5)
用ダイナミックダンパであって、 前記配管の外周を取り囲むように取り付けられた取付部
と、 前記取付部の外面に弾性体を介して固定された質量体
と、 を備えることを特徴とする配管用ダイナミックダンパ。1. A dynamic damper for a pipe for reducing vibration generated in a pipe, wherein the mounting section is mounted to surround an outer periphery of the pipe, and is fixed to an outer surface of the mounting section via an elastic body. A dynamic damper for piping, comprising:
方向から前記取付部を挟持する一対の弾性体と、 を有することを特徴とする請求項１に記載の配管用ダイ
ナミックダンパ。2. The elastic body includes: a pair of elastic bodies that sandwich the mounting portion; and a pair of elastic bodies that sandwich the mounting portion from a direction perpendicular to a direction in which the pair of elastic bodies sandwiches the pipe. The dynamic damper for piping according to claim 1, comprising:
徴とする請求項１又は２に記載の配管用ダイナミックダ
ンパ。3. The dynamic damper for piping according to claim 1, wherein the weight of the mass body can be adjusted.
板状体からなり、前記各板状体は互いに締結されている
ことを特徴とする請求項１〜３のいずれか一項に記載の
配管用ダイナミックダンパ。4. The mass body according to claim 1, wherein the mass body includes two L-shaped plate members, and the plate members are fastened to each other. Dynamic damper for piping as described in item.
板状体からなり、前記各板状体は互いに締結されている
ことを特徴とする請求項１〜４のいずれか一項に記載の
配管用ダイナミックダンパ。5. The mounting portion according to claim 1, wherein the mounting portion includes two plate-shaped members bent in an L-shape, and the plate-shaped members are fastened to each other. Dynamic damper for piping as described in item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000143800A JP2001324080A (en) | 2000-05-16 | 2000-05-16 | Dynamic damper for piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000143800A JP2001324080A (en) | 2000-05-16 | 2000-05-16 | Dynamic damper for piping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001324080A true JP2001324080A (en) | 2001-11-22 |
Family
ID=18650563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000143800A Pending JP2001324080A (en) | 2000-05-16 | 2000-05-16 | Dynamic damper for piping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001324080A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100488599B1 (en) * | 2002-05-17 | 2005-05-11 | 기아자동차주식회사 | Detachable type engine mount for vehicles |
| CN103104646A (en) * | 2013-01-22 | 2013-05-15 | 北京工业大学 | Clamp type damper capable of controlling multi-dimensional vibration of tubular structure |
| WO2014062048A1 (en) | 2012-10-15 | 2014-04-24 | Petroliam Nasional Berhad (Petronas) | Vibration clamp |
| CN105840956A (en) * | 2016-06-22 | 2016-08-10 | 陈广生 | Anti-corrosion protection cover device for pipeline and installing method for anti-corrosion protection cover device for pipeline |
| CN105840952A (en) * | 2016-06-22 | 2016-08-10 | 陈广生 | Anti-abrasion pipeline protection cover structure convenient to dismount and mount and installing method for anti-abrasion pipeline protection cover structure convenient to dismount and mount |
| CN105864573A (en) * | 2016-06-22 | 2016-08-17 | 陈广生 | Pipeline protective cover device convenient to assemble and disassemble and assembling method thereof |
| CN105864576A (en) * | 2016-06-22 | 2016-08-17 | 陈广生 | Convenient-to-mount and dismount pipeline safety protecting cover structure and mounting method thereof |
| CN105864572A (en) * | 2016-06-22 | 2016-08-17 | 陈广生 | New protective cover device for pipeline and installation method of new protective cover device |
| CN105889705A (en) * | 2016-06-22 | 2016-08-24 | 陈广生 | Thermal insulation and protection cover device for pipeline and installation method of thermal insulation and protection cover device |
| CN105972382A (en) * | 2016-06-22 | 2016-09-28 | 陈广生 | Corrosion-resistant pipeline protecting cover capable of being conveniently dismounted and mounted and mounting method thereof |
| CN105972383A (en) * | 2016-06-22 | 2016-09-28 | 陈广生 | Safety protection cover device for pipeline and mounting method of device |
| CN106090531A (en) * | 2016-06-22 | 2016-11-09 | 陈广生 | A kind of wear Protection closure assembly for pipeline and installation method thereof |
| CN106870629A (en) * | 2017-03-31 | 2017-06-20 | 桂林电子科技大学 | A kind of vibrations cancellation element and addition type experimental analysis device with elimination stiff case vibration function |
| KR20180066346A (en) * | 2016-12-08 | 2018-06-19 | 충북대학교 산학협력단 | Shock absorbing apparatus for pipe |
| KR101907104B1 (en) * | 2016-11-22 | 2018-10-11 | 부산대학교 산학협력단 | Double seismic hanger system of plumbing |
| RU2699300C1 (en) * | 2018-07-23 | 2019-09-04 | Общество С Ограниченной Ответственностью "Газпром Трансгаз Краснодар" | Vibration suppressing device |
-
2000
- 2000-05-16 JP JP2000143800A patent/JP2001324080A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100488599B1 (en) * | 2002-05-17 | 2005-05-11 | 기아자동차주식회사 | Detachable type engine mount for vehicles |
| WO2014062048A1 (en) | 2012-10-15 | 2014-04-24 | Petroliam Nasional Berhad (Petronas) | Vibration clamp |
| EP2906865A4 (en) * | 2012-10-15 | 2016-07-13 | Petroliam Nasional Berhad Petronas | Vibration clamp |
| CN103104646A (en) * | 2013-01-22 | 2013-05-15 | 北京工业大学 | Clamp type damper capable of controlling multi-dimensional vibration of tubular structure |
| CN105864572A (en) * | 2016-06-22 | 2016-08-17 | 陈广生 | New protective cover device for pipeline and installation method of new protective cover device |
| CN105972383A (en) * | 2016-06-22 | 2016-09-28 | 陈广生 | Safety protection cover device for pipeline and mounting method of device |
| CN105864573A (en) * | 2016-06-22 | 2016-08-17 | 陈广生 | Pipeline protective cover device convenient to assemble and disassemble and assembling method thereof |
| CN105864576A (en) * | 2016-06-22 | 2016-08-17 | 陈广生 | Convenient-to-mount and dismount pipeline safety protecting cover structure and mounting method thereof |
| CN105840956A (en) * | 2016-06-22 | 2016-08-10 | 陈广生 | Anti-corrosion protection cover device for pipeline and installing method for anti-corrosion protection cover device for pipeline |
| CN105889705A (en) * | 2016-06-22 | 2016-08-24 | 陈广生 | Thermal insulation and protection cover device for pipeline and installation method of thermal insulation and protection cover device |
| CN105972382A (en) * | 2016-06-22 | 2016-09-28 | 陈广生 | Corrosion-resistant pipeline protecting cover capable of being conveniently dismounted and mounted and mounting method thereof |
| CN105840952A (en) * | 2016-06-22 | 2016-08-10 | 陈广生 | Anti-abrasion pipeline protection cover structure convenient to dismount and mount and installing method for anti-abrasion pipeline protection cover structure convenient to dismount and mount |
| CN106090531A (en) * | 2016-06-22 | 2016-11-09 | 陈广生 | A kind of wear Protection closure assembly for pipeline and installation method thereof |
| KR101907104B1 (en) * | 2016-11-22 | 2018-10-11 | 부산대학교 산학협력단 | Double seismic hanger system of plumbing |
| KR20180066346A (en) * | 2016-12-08 | 2018-06-19 | 충북대학교 산학협력단 | Shock absorbing apparatus for pipe |
| KR101900397B1 (en) * | 2016-12-08 | 2018-09-21 | 충북대학교 산학협력단 | Shock absorbing apparatus for pipe |
| CN106870629A (en) * | 2017-03-31 | 2017-06-20 | 桂林电子科技大学 | A kind of vibrations cancellation element and addition type experimental analysis device with elimination stiff case vibration function |
| RU2699300C1 (en) * | 2018-07-23 | 2019-09-04 | Общество С Ограниченной Ответственностью "Газпром Трансгаз Краснодар" | Vibration suppressing device |
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