JPS6372936A - Vibration isolating device - Google Patents
Vibration isolating deviceInfo
- Publication number
- JPS6372936A JPS6372936A JP21708386A JP21708386A JPS6372936A JP S6372936 A JPS6372936 A JP S6372936A JP 21708386 A JP21708386 A JP 21708386A JP 21708386 A JP21708386 A JP 21708386A JP S6372936 A JPS6372936 A JP S6372936A
- Authority
- JP
- Japan
- Prior art keywords
- equipment
- base
- vibration isolating
- vibration
- isolating 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
- 238000005452 bending Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 abstract description 8
- 230000001133 acceleration Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、精密機器の据付は時及び輸送時における振動
絶縁装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a vibration isolating device during installation and transportation of precision equipment.
（従来の技術）
従来、割算機等の精密機器を地震による振動又は輸送時
におＣノる撮動を原因とした災害から保ａするために、
第８図に示す様な振動絶縁装置が用いられていた。(Prior Art) Conventionally, in order to protect precision equipment such as dividing machines from disasters caused by vibrations caused by earthquakes or photography during transportation,
A vibration isolation device as shown in Figure 8 was used.
第８図の振動絶縁装置は、機器本体を戟ぜる架台１１を
ベース１２の上に配設して成るものであり、ベース１２
の内面には、Ｘ方向ローラ１３を走行させるＸ軸シール
１４が取付けられ、架台１１の内面には、ｙ方向ローラ
１５を走行させるｙ軸シール１６が取付けられている。The vibration isolating device shown in FIG.
An X-axis seal 14 for driving an X-direction roller 13 is attached to the inner surface of the frame 11, and a y-axis seal 16 for driving a Y-direction roller 15 is attached to the inner surface of the frame 11.
Ｘ方向ローラ１３及びｙ方向ローラ１５はローラ連結金
具１７によって一体に取付けられ、ローラ連結体を成し
ている。そして、このローラ連結体が、架台１１とベー
ス１２に対し、固有撮動数を決めるためのばね１８及び
摩擦ダンパー１９を介して取付けられている。The X-direction roller 13 and the Y-direction roller 15 are integrally attached by a roller connection fitting 17 to form a roller connection body. This roller connection body is attached to the pedestal 11 and the base 12 via a spring 18 and a friction damper 19 for determining the specific number of motions.
しかしながら、以上の様な構造の振動絶縁装置において
は、架台１１上に設置される機器の重量によってばね１
８の剛性を変えないと振動絶縁かできなくなる問題があ
った。また、最低でも水平２方向についてローラ１３．
１５、レール１４゜１６、及び系仝休の固有撮動数を決
めるためのばね１８が必要であり、惜逃が複雑化する上
、ローラとレールとの配置等に加工精度が要求される問
題もあった。さらに、地震後のベース１２の位置が初期
の位置からずれるため、地震発生の度にベース１２の位
置を元に戻す必要があり、この復旧作業が面倒であった
。However, in the vibration isolating device having the above structure, the spring 1
There was a problem that vibration isolation would not be possible unless the rigidity of 8 was changed. In addition, the roller 13. in at least two horizontal directions.
15, rails 14°16, and springs 18 are required to determine the specific number of motions of the system, which complicates the escape process and requires machining accuracy in the arrangement of the rollers and rails, etc. There was also. Furthermore, since the position of the base 12 after an earthquake deviates from its initial position, it is necessary to return the base 12 to its original position every time an earthquake occurs, and this restoration work is troublesome.
なお、上記の様に床面に機器を設置する際以外にも、ｔ
？ｌ！器を輸送する際に、輸送用車両の荷台に対し、同
様の振動絶縁装置を使用して振動絶縁が成されているが
、この場合にも、ばねの剛性の問題及び構造の複雑化の
問題が同様に存在する。In addition to installing equipment on the floor as described above, t
? l! When transporting equipment, vibration isolation is achieved by using a similar vibration isolating device on the loading platform of the transport vehicle, but in this case as well, there are problems with the stiffness of the spring and the complexity of the structure. exists as well.
（発明が解決しようとする問題点）
上記の様に、従来の振動絶縁装置においては、機器の重
量によってバネの剛性を変える必要があり、また、構造
が複雑化し、さらに、床面に機器を設置した際には、地
震の都度復旧作業を行なわなければならないという問題
点が存在していた。(Problems to be Solved by the Invention) As mentioned above, in conventional vibration isolating devices, it is necessary to change the stiffness of the spring depending on the weight of the device, the structure is complicated, and the device is placed on the floor. When installed, there was a problem in that restoration work had to be carried out every time an earthquake occurred.
本発明は、この様な問題点を解決するために提某された
ものでおり、その目的は、構造の簡略化を果し、ばねの
剛性を変える必要なく、機器の重量に拘らず振動絶縁が
可能でおり、しかも床面に機器を設置した際に、地震が
生じても復旧作業が不要である様な振動絶縁装置を提供
することである。The present invention was proposed to solve these problems, and its purpose is to simplify the structure and provide vibration isolation regardless of the weight of the device without changing the stiffness of the spring. To provide a vibration isolating device which is capable of providing a vibration insulating device and does not require restoration work even if an earthquake occurs when the device is installed on the floor.
［発明の構成］
（問題点を解決するための手段）
本発明の振動絶縁装置は、床面又は機器輸送用車両の荷
台等の機器設置面と機器のベースとの間を曲げ剛性の小
さい部材で連結したことを特徴と。[Structure of the Invention] (Means for Solving the Problems) The vibration isolating device of the present invention uses a member with low bending rigidity between the equipment installation surface such as the floor or the loading platform of an equipment transport vehicle and the equipment base. It is characterized by being connected with.
するものでおる。I have something to do.
（作用）
本発明は、以上の様な構成を有することにより、構成が
簡略化され、また、系の固有振動数の調整は、曲げ剛性
の小さい部材の長さ寸法を変えることにより簡単に行え
るため、機器の重量にかかわらず撮動絶縁を行なうこと
ができ、ざらに、床面に設置した際には、地震が発生し
てベースの位置がずれても構造的に自己復帰が可能であ
るため、復旧作業が不要である。(Function) By having the above configuration, the present invention has a simplified configuration, and the natural frequency of the system can be easily adjusted by changing the length dimension of a member with low bending rigidity. Therefore, it is possible to perform photographic insulation regardless of the weight of the equipment, and when installed on the floor, it is structurally capable of self-returning even if the base moves due to an earthquake. Therefore, no recovery work is required.
（実施例）
以下、上述した様な本発明による振動絶縁装置の一実施
例を第１図及び第２図を用いて具体的に説明する。(Embodiment) Hereinafter, one embodiment of the vibration isolating device according to the present invention as described above will be described in detail with reference to FIGS. 1 and 2.
本実施例の構成
第１図に示す、様に、ベース１と床面２どの間には、（
騒動絶縁装置６３が配置されている。この振動絶縁装置
３は、外側ケース４と内側ケース５、及び両レースの間
を連結する曲げ剛性の小さい吊り部材（ワイヤー、ヂエ
ーン等）６から成り、外側ケース４はベース１に、内側
ケース５は床面２に、それぞれボルト７によって固定さ
れている。Structure of this embodiment As shown in FIG. 1, there is a space between the base 1 and the floor 2 (
A commotion isolation device 63 is arranged. This vibration isolating device 3 consists of an outer case 4, an inner case 5, and a hanging member (wire, wire, etc.) 6 with low bending rigidity that connects both races. are fixed to the floor 2 with bolts 7, respectively.
また、第２図において、８はベース１の上に固定された
精密機器８でおる。Further, in FIG. 2, reference numeral 8 denotes a precision instrument 8 fixed on the base 1.
ニド実施例の作用
以上の様な構成を有する本実施例の作用は次の通りでお
る。Effects of the Nido Embodiment The effects of this embodiment having the above-mentioned configuration are as follows.
まず、外側ケース４をベース１に、内側ケース５を床面
２に固定し、両ケース間を吊り部材６ににって連結する
だ（ブの構成でおるため、第８図に示した様なローラ、
レール及びばねを使用した従来の装置に比べ、構成が大
幅にＩｍ略化されており、加工精度を要求されることも
ない。First, the outer case 4 is fixed to the base 1, the inner case 5 is fixed to the floor 2, and the two cases are connected by the hanging member 6. Laura,
Compared to conventional devices that use rails and springs, the structure is significantly simplified, and processing accuracy is not required.
また、吊り部材の長さを吏、重力加速度をｑとするとこ
の様な系の固有振動数ｆは、次式で表される。Further, when the length of the hanging member is 启 and the gravitational acceleration is q, the natural frequency f of such a system is expressed by the following equation.
ｆ＝（１／２π）・ハフＴ
即ち、系の固有振動数は機器の重量には依存せず吊り部
材６の長さのみによって決まる。従って、絶縁しようと
する撮動の周波数から系の固有振動数をずらすことが容
易にできるという利点がある。f=(1/2π)·Huff T In other words, the natural frequency of the system does not depend on the weight of the equipment and is determined only by the length of the hanging member 6. Therefore, there is an advantage that the natural frequency of the system can be easily shifted from the frequency of the imaging to be isolated.
ざらに、地震が発生し、第３図（Ａ＞に示す様な入力加
速度を得られた様な場合、第８図に示した従来の装置で
は、＠３図（Ｂ）に示す様に、初期（地震発生前）の位
置に比べ、ベースの位置がδだけずれることがあるのに
対して、本実施例の装置では、第３図（Ｃ）に示す様に
、自重によって元の位置に戻る（吊り部材が復帰する）
ため、従来の様に地震発生の都度ベースの位置を復元さ
せる作業が不要になるという利点もある。Roughly speaking, when an earthquake occurs and the input acceleration as shown in Figure 3 (A> is obtained), the conventional device shown in Figure 8 will generate the input acceleration as shown in Figure 3 (B). Compared to the initial position (before the earthquake), the base position may shift by δ, but in the device of this embodiment, it returns to its original position due to its own weight, as shown in Figure 3 (C). Return (hanging member returns)
Therefore, there is an advantage that there is no need to restore the base position every time an earthquake occurs, as was done in the past.
＊他の実施例
なお、本発明は、前期実施例に限定されるものではなく
、例えば、第４図に示す様に外側ケース４を床面２に取
付け、内側ケース５をベース１に取付ける構成も可能で
あり、同様の効果が期待できる。*Other embodiments Note that the present invention is not limited to the earlier embodiments; for example, as shown in FIG. is also possible, and similar effects can be expected.
また、第５図や第６図に示す様に、ダンパー９を併用す
れば、より効果的な撮動絶縁を行える。Furthermore, as shown in FIGS. 5 and 6, if a damper 9 is also used, more effective isolation can be achieved.
ざらに、精密瀕器輸送時には、第７図に示プ様に、機器
輸送車両の荷台１０とベース１との間に同様に振動絶縁
装置３を配置することで、輸送時に荷台に伝わり、発生
した振動から精密機器８を絶縁できる。In general, when transporting precision equipment, as shown in Figure 7, by placing a vibration isolating device 3 between the loading platform 10 and the base 1 of the equipment transport vehicle, vibrations transmitted to the loading platform during transportation can be prevented. The precision equipment 8 can be insulated from the generated vibrations.
［発明の効果］
以上説明した様に、本発明によれば、機器の設置面と機
器のベースとの間を曲げ剛性の小さい部材で連結するこ
とにより、構成を簡略化してしかも系の固有振動数を容
易に調節可能とし、機器の重量に拘らず地震又は輸送時
の撮動を絶縁可能とし、さらに、機器を床面に設置した
際等の振動絶縁後の復旧作業も不要である様な振動絶縁
装置を提供できる。[Effects of the Invention] As explained above, according to the present invention, by connecting the installation surface of the equipment and the base of the equipment with a member having low bending rigidity, the configuration can be simplified and the natural vibration of the system can be reduced. The number can be easily adjusted, the equipment can be isolated from earthquakes or during transportation regardless of its weight, and there is no need for recovery work after vibration isolation, such as when equipment is installed on the floor. Can provide vibration isolators.
第１図は本発明による振動絶縁装置の一実施例を示す断
面図、第２図は同実施例の取付は状態を示す側面図、第
３図（Ａ＞乃至（Ｃ）はそれぞれ地震発生時の入力加速
度、従来の装置によるベースの変位、本実施例の装置に
よるベースの変位を示すグラフ、第１図は本発明の他の
実施例を示す断面図、第５図と第６図はそれぞれ本発明
の応用例を示す断面図と平面図、第７図は本発明の装置
を機器輸送車両に取付（プた状態を示づ側面図、第８図
は従来の振動絶縁装置を示す断面図である。
１・・・ベース、２・・・床面、３・・・振動絶縁装置
、４・・・外側ケース、５・・・内側ケース、６・・・
吊り部材、７・・・ボルト、８・・・精密機器、９・・
・ダンパー、１０・・・荷台、１１・・・架台、１２・
・・ベース、１３・・・Ｘ方向ローラ、１４・・・Ｘ軸
シール、１５・・・ｙ方向ローラ、１６・・・ｙ軸シー
ル、１７・・・ローラ連結金具、１８・・・ばね、１９
・・・摩擦ダンパー。Fig. 1 is a sectional view showing an embodiment of the vibration isolating device according to the present invention, Fig. 2 is a side view showing the installation state of the same embodiment, and Figs. Graphs showing the input acceleration of A sectional view and a plan view showing an application example of the present invention, Fig. 7 is a side view showing the device of the present invention installed in an equipment transportation vehicle (in a closed state), and Fig. 8 is a sectional view showing a conventional vibration isolating device. 1... Base, 2... Floor surface, 3... Vibration isolator, 4... Outer case, 5... Inner case, 6...
Hanging member, 7... Bolt, 8... Precision equipment, 9...
・Damper, 10... Loading platform, 11... Frame, 12.
...Base, 13...X direction roller, 14...X axis seal, 15...y direction roller, 16...y axis seal, 17...roller connection fitting, 18...spring, 19
...Friction damper.
Claims (1)
機器設置面と機器のベースとの間の振動を絶縁する振動
絶縁装置において、 機器設置面と機器のベースのいずれか一方に内側ケース
を、他方に外側ケースを取付け、これらのケース間を、
ワイヤー、チェーン等の曲げ剛性の小さい吊り部材にて
連結したことを特徴とする振動絶縁装置。[Scope of Claims] A vibration isolating device for isolating vibration between a device installation surface and a base of the device when the device is installed on the floor or the loading platform of a vehicle for transporting the device, comprising: Attach the inner case to one side and the outer case to the other, and connect between these cases.
A vibration isolating device characterized by being connected by a hanging member with low bending rigidity, such as a wire or chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21708386A JPS6372936A (en) | 1986-09-17 | 1986-09-17 | Vibration isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21708386A JPS6372936A (en) | 1986-09-17 | 1986-09-17 | Vibration isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372936A true JPS6372936A (en) | 1988-04-02 |
Family
ID=16698560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21708386A Pending JPS6372936A (en) | 1986-09-17 | 1986-09-17 | Vibration isolating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372936A (en) |
-
1986
- 1986-09-17 JP JP21708386A patent/JPS6372936A/en active Pending
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