CN109083974A - A kind of intelligent frequency modulation vibration abatement of fluid reservoir - Google Patents
A kind of intelligent frequency modulation vibration abatement of fluid reservoir Download PDFInfo
- Publication number
- CN109083974A CN109083974A CN201811311244.6A CN201811311244A CN109083974A CN 109083974 A CN109083974 A CN 109083974A CN 201811311244 A CN201811311244 A CN 201811311244A CN 109083974 A CN109083974 A CN 109083974A
- Authority
- CN
- China
- Prior art keywords
- liquid
- hemispheric
- fluid reservoir
- tuned
- high viscosity
- 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.)
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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
- F16F15/023—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 using fluid means
- F16F15/027—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 using fluid means comprising control arrangements
- F16F15/0275—Control of stiffness
-
- 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
- F16F15/023—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 using fluid means
- F16F15/0232—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 using fluid means with at least one gas spring
-
- 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
- F16F15/04—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 using elastic means
- F16F15/046—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 using elastic means using combinations of springs of different kinds
Abstract
The invention discloses a kind of fluid reservoir intelligent frequency modulation vibration abatements, including fluid reservoir, isolation mounting, high viscosity liquid holding vessel and intelligent response device.Isolation mounting includes elastic layer and rubber pad, and rubber pad is arranged on elastic layer, and fluid reservoir is mounted on rubber pad.Hemispheric Tuned Liquid is installed under elastic layer, is filled with high viscosity liquid in hemispheric Tuned Liquid, and pressure sensor is installed in hemispheric Tuned Liquid.High viscosity liquid holding vessel is connected to hemispheric Tuned Liquid by liquid-transport pipe-line, and high viscosity liquid holding vessel is provided with suction pumps.Intelligent response device includes terminal computer, and terminal computer connects pressure sensor, valve, suction pumps and acceleration transducer.The present invention adjusts the vibration frequency of high viscosity liquid damper by adjusting the volume of high viscosity liquid, and the characteristic for making semi-circular Tuned Liquid fluid friction do negative work achievees the effect that absorbing.
Description
Technical field
The present invention relates to the mixing vibration-resistant technologies in vibration control field, and in particular to a kind of fluid reservoir is anti-with intelligent frequency modulation
Shake device.
Background technique
Petroleum is related to national economic development and state's people's livelihood as a kind of strategic reserves energy, storage level and occupancy volume
Living is normally carried out.Due to the raising of scientific level, the effect of petroleum industrially is more and more obvious.It is filled to keep petroleum to have
Abundant strategic reserves, to meet acute demand under various bursty states, solves the problems, such as correlation important industry developing,
The safety of the deposit facility of petroleum is most important during the deposit of petroleum.
The fluid reservoir of present mainstream, mostly underground storage, marine fluid reservoir and ground fluid reservoir.No matter which kind of liquid storage side
Formula, it is often more intractable for the storage of petroleum for coastal area and earthquake prone areas.There are the beatings of wave for this area
Larger hydrodynamic pressure and pulse are produced, tank body is made to shake due to liquid sloshing with vibration modes such as seismic waves
Swing, tank body vibration again aggravate pot liquid oscillation, constantly back and forth cause fluid reservoir bending deformation (such as sufficient formula drum
It is bent), so that tank body is generated biggish fatigue damage, the leakage of the flammable liquids such as petroleum more seriously occurs, causes fire and dirt
The problems such as dye.On ship damping water tank is widely used on tank stabilizer and skyscraper, it has been verified that liquid passes through liquid stream
Interior friction carrys out the excellent results of energy dissipating.But these applications are reviewed, only exist the best vibration damping effect under a certain basic frequency.
Protection of the oscillation damping method to fluid reservoir is always difficult to reach the vibration abatement under various frequencies.To enable fluid reservoir to pass in outside
Preferable effectiveness in vibration suppression is still kept under the various vibration modes come, the yield failure of fluid reservoir does not occur, needs a kind of energy basis
External vibration solves problems to carry out the vibration abatement of frequency modulation.
Summary of the invention
The present invention to solve the above problems, provide a kind of fluid reservoir intelligence frequency modulation vibration abatement, by isolation mounting every
Vibration and consumed using liquid viscosity vibration generate energy, reach reduce fluid reservoir internal liquid tremble degree and protection liquid storage
The effect of tank.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of fluid reservoir intelligent frequency modulation vibration abatement, including fluid reservoir, isolation mounting, high viscosity liquid holding vessel and intelligence
It can reaction unit；
The isolation mounting includes elastic layer and rubber pad, and the elastic layer setting on the ground, is set in the elastic layer
Several spring-dampers are equipped with, the rubber pad is arranged on elastic layer, and the fluid reservoir is mounted on rubber pad, the elastic layer
Locating subsurface is equipped with hemispheric Tuned Liquid, and the hemispheric Tuned Liquid is fixedly connected with elasticity
Layer, the indent of the hemispheric Tuned Liquid is face-up, filled with high viscous in the hemispheric Tuned Liquid
Property liquid, and pressure sensor is installed in the hemispheric Tuned Liquid；
The high viscosity liquid holding vessel is connected to hemispheric Tuned Liquid, the liquid-transport pipe-line by liquid-transport pipe-line
On be provided with valve, the high viscosity liquid holding vessel is provided with the suction pumps and tapping pump of connection liquid-transport pipe-line, the imbibition
Pump draws high viscosity liquid from hemispheric Tuned Liquid by liquid-transport pipe-line, and the tapping pump passes through liquid-transport pipe-line to half
Ball-type Tuned Liquid inculcates high viscosity liquid；
The intelligent response device includes terminal computer, and the terminal computer connection pressure sensor is for receiving half
Fluid pressure information in ball-type Tuned Liquid, the terminal computer are also connected with valve, suction pumps and tapping pump, institute
It states terminal computer and is also connected with acceleration transducer for receiving earth shock information, the acceleration transducer is set to ground
Under face；
The terminal computer is calculated according to the shape information and fluid pressure information of hemispheric Tuned Liquid
Actual liquid height in hemispheric Tuned Liquid, the terminal computer combination earthquake host computer go out and earthquake basic frequency
Actual liquid height is compared with liquid height is adapted to for the adaptation liquid height of adaptation, the terminal computer, and control is inhaled
Liquid pump, tapping pump and valve make actual liquid height in hemispheric Tuned Liquid reach adaptation liquid height.
Further, the central axis of the central axis of the fluid reservoir and rubber pad is on same vertical line.
Further, the central axis of the hemispheric Tuned Liquid and the central axis of rubber pad are vertical in same
On line.
Further, shell is covered on the outer wall of the hemispheric Tuned Liquid.
Further, partition is installed on the bottom wall inside the fluid reservoir, the divider upright is in the bottom wall of fluid reservoir.
Further, the Impact direction of the spring-damper is perpendicular to horizontal plane.
The invention has the benefit that
(1) has the characteristics that viscosity when the present invention is flowed using liquid, the friction energy dissipation flowed by liquid reduces knot
The energy that structure vibration generates.
(2) the integrally-built vibration frequency of the present invention can be by changing high viscosity liquid in hemispheric Tuned Liquid
The volume of body changes, so that high viscosity liquid resonates, the effect of energy dissipation that is optimal.
(3) the characteristics of present invention is distributed using sole mass, when structure generates vibration, the effect of moment of resistance makes
Fluid reservoir easily restores to original stable state.
Detailed description of the invention
Fig. 1 is the overall structure diagram of apparatus of the present invention；
Fig. 2 is the overlooking structure diagram of apparatus of the present invention；
Fig. 3 is the scheme of installation of high viscosity liquid holding vessel and liquid-transport pipe-line in the present invention.
Description of symbols:
1- fluid reservoir, 2- rubber pad, 3- valve, 4- liquid-transport pipe-line, 5- spring-damper, 6- hemispheric tune fluid damping
Device, 7- high viscosity liquid holding vessel, 8- terminal computer, 9- acceleration transducer, 10- partition, 11- pressure sensor, outside 12-
Shell.
Specific embodiment
Below by specific embodiment, the invention will be further described, and it is not limit that following embodiment, which is descriptive,
Qualitatively, this does not limit the scope of protection of the present invention.
As shown in Figure 1 to Figure 3, the intelligent frequency modulation vibration abatement of a kind of fluid reservoir, including fluid reservoir 1, isolation mounting, height are viscous
Property liquid storage tank 7 and intelligent response device.
Isolation mounting includes elastic layer and rubber pad 2, and elastic layer setting is provided with several springs on the ground, in elastic layer
Damper 5, the Impact direction of spring-damper 5 is perpendicular to ground.Rubber pad 2 is arranged on elastic layer, and fluid reservoir 1 is mounted on rubber
Rubber mat 2, is equipped with partition 10 on the bottom wall inside fluid reservoir 1, and perpendicular to the bottom wall of fluid reservoir 1, partition 10 can reduce partition 10
The vibration of 1 inside cabin of fluid reservoir.Subsurface locating for elastic layer is equipped with hemispheric Tuned Liquid 6, and hemispheric tunes liquid
Damper 6 is fixedly connected with elastic layer, and shell 12 is covered on the outer wall of hemispheric Tuned Liquid 6.It is entire in underground
The center of gravity of structure is in semi-circular Tuned Liquid 6, and overall structure is kept, there are moment of resistance, to be not easy to incline when vibrating
It covers, easily restores to stable state.The indent of hemispheric Tuned Liquid 6 is face-up, in hemispheric Tuned Liquid 6
Filled with high viscosity liquid, the energy that the friction consumption fluid reservoir 1 generated vibrates can be flowed by internal high viscosity liquid.Half
Pressure sensor 11 is also equipped in ball-type Tuned Liquid 6, pressure sensor 11 is for monitoring hemispheric tuning liquid
The fluid pressure information of high viscosity liquid in damper 6.The central axis of fluid reservoir 1 and the central axis of rubber pad 2 are perpendicular in same
On straight line, the central axis of hemispheric Tuned Liquid 6 and the central axis of rubber pad 2 are on same vertical line.
High viscosity liquid holding vessel 7 is connected to hemispheric Tuned Liquid 6 by liquid-transport pipe-line 4, sets on liquid-transport pipe-line 4
It is equipped with valve 3, high viscosity liquid holding vessel 7 is provided with the suction pumps of connection liquid-transport pipe-line 4 and tapping pump, suction pumps pass through infusion
Pipeline 4 draws high viscosity liquid from hemispheric Tuned Liquid 6, and tapping pump tunes liquid to hemispheric by liquid-transport pipe-line 4
Body damper 6 inculcates high viscosity liquid.
Intelligent response device includes terminal computer 8, and terminal computer 8 connects pressure sensor 11 for receiving hemispheric
Fluid pressure information in Tuned Liquid 6.8 connecting valve 3 of terminal computer, suction pumps and tapping pump, terminal calculate
Machine 8 is also connected with acceleration transducer 9 for receiving earthquake basic frequency, and acceleration transducer 9 is set to subsurface.
At work, pressure sensor 11 is passed to fluid pressure information, terminal computer 8 to terminal computer 8 to the present invention
Using fluid pressure information and the shape information of combination hemispheric liquid adjusting damper 6, the i.e. shape function of shell, calculate
The actual liquid height into hemispheric Tuned Liquid 6.On the other hand earthquake basic frequency is perceived by acceleration transducer 9,
And earthquake basic frequency is transferred to terminal computer 8.In structure before use, the earthquake dominant frequency obtained according to acceleration transducer 9
Rate simultaneously combines formula (1) and formula (2), calculates the adaptation liquid height adapted to earthquake basic frequency.Terminal computer 8 will be practical
Liquid height is compared with liquid height is adapted to, and when actual liquid height is lower than liquid height is adapted to, terminal computer 8 is controlled
System opens valve 3 and tapping pump, high viscosity liquid is inculcated to semi-circular liquid adjusting damper 6, until actual liquid height etc.
In adaptation liquid height；When actual liquid height, which is higher than, adapts to liquid height, the control of terminal computer 8 is opened valve 3 and is inhaled
Liquid pump aspirates high viscosity liquid from semi-circular liquid adjusting damper 6, adapts to liquid height until actual liquid height is equal to,
Structure of the invention is set to achieve the effect that be adapted with earthquake basic frequency.The vibration isolation of bound rubber pad 2 and spring-damper 5 of the present invention
The absorbing of effect and semi-circular liquid adjusting damper 6 acts on, the oscillation amplitude of liquid as far as possible in reduction fluid reservoir 1.
For the input/output relation of high viscosity liquid, frequency can be calculated according to calculation formula obtained by Rattayya (1965)
Rate:
Wherein:
f1For intrinsic frequency, h is to adapt to liquid depth, and R is the radius of curvature of hemispheric liquid adjusting damper, λ1For spy
Value indicative.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of intelligent frequency modulation vibration abatement of fluid reservoir, it is characterised in that: including fluid reservoir (1), isolation mounting, high viscosity liquid
Body holding vessel (7) and intelligent response device；
The isolation mounting includes elastic layer and rubber pad (2), and the elastic layer setting on the ground, is arranged in the elastic layer
Having several spring-dampers (5), the rubber pad (2) is arranged on elastic layer, and the fluid reservoir (1) is mounted on rubber pad (2),
Subsurface locating for the elastic layer is equipped with hemispheric Tuned Liquid (6), the hemispheric Tuned Liquid
(6) it is fixedly connected with elastic layer, the indent of the hemispheric Tuned Liquid (6) is face-up, and the hemispheric tunes liquid
It is filled with high viscosity liquid in damper (6), and pressure sensor is installed in the hemispheric Tuned Liquid (6)
(11)；
The high viscosity liquid holding vessel (7) is described defeated by liquid-transport pipe-line (4) connection hemispheric Tuned Liquid (6)
It is provided on liquid pipe road (4) valve (3), the high viscosity liquid holding vessel (7) is provided with the suction pumps of connection liquid-transport pipe-line (4)
It is pumped with tapping, the suction pumps draw high viscosity liquid, institute from hemispheric Tuned Liquid (6) by liquid-transport pipe-line (4)
It states tapping pump and inculcates high viscosity liquid to hemispheric Tuned Liquid (6) by liquid-transport pipe-line (4)；
The intelligent response device includes terminal computer (8), and terminal computer (8) connection pressure sensor (11) is used for
The fluid pressure information in hemispheric Tuned Liquid (6) is received, the terminal computer (8) is also connected with valve (3), inhales
Liquid pump and tapping pump, the terminal computer (8) is also connected with acceleration transducer (9) and is used to receive earthquake basic frequency, described
Acceleration transducer (9) is set to subsurface；
The terminal computer (8) calculates according to the shape information and fluid pressure information of hemispheric Tuned Liquid (6)
Actual liquid height in hemispheric Tuned Liquid (6) out, the terminal computer (8) combine earthquake host computer to go out and ground
The adaptation liquid height that basic frequency adapts to is shaken, the terminal computer (8) is by actual liquid height and adapts to liquid height progress
It compares, control suction pumps, tapping pump and valve (3) make actual liquid height in hemispheric Tuned Liquid (6) reach suitable
Answer liquid height.
2. a kind of intelligent frequency modulation vibration abatement of fluid reservoir as described in claim 1, it is characterised in that: the fluid reservoir (1)
Central axis and rubber pad (2) central axis on same vertical line.
3. a kind of intelligent frequency modulation vibration abatement of fluid reservoir as claimed in claim 2, it is characterised in that: the hemispheric tuning
The central axis of liquid condenser (6) and the central axis of rubber pad (2) are on same vertical line.
4. a kind of intelligent frequency modulation vibration abatement of fluid reservoir as claimed in claim 3, it is characterised in that: the hemispheric tuning
Shell (12) are covered on the outer wall of liquid condenser (6).
5. a kind of intelligent frequency modulation vibration abatement of fluid reservoir as described in claim 1, it is characterised in that: the fluid reservoir (1)
It is equipped with partition (10) on internal bottom wall, bottom wall of the partition (10) perpendicular to fluid reservoir (1).
6. a kind of intelligent frequency modulation vibration abatement of fluid reservoir as described in claim 1, it is characterised in that: the spring-damper
(5) Impact direction is perpendicular to horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311244.6A CN109083974B (en) | 2018-11-06 | 2018-11-06 | Intelligent frequency modulation shock-proof device for liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311244.6A CN109083974B (en) | 2018-11-06 | 2018-11-06 | Intelligent frequency modulation shock-proof device for liquid storage tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083974A true CN109083974A (en) | 2018-12-25 |
| CN109083974B CN109083974B (en) | 2020-05-22 |
Family
ID=64844781
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311244.6A Active CN109083974B (en) | 2018-11-06 | 2018-11-06 | Intelligent frequency modulation shock-proof device for liquid storage tank |
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| Country | Link |
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| CN (1) | CN109083974B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305280A (en) * | 2020-03-10 | 2020-06-19 | 广西大学 | Seismic isolation and reduction system and method |
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| CN207144221U (en) * | 2017-07-24 | 2018-03-27 | 青岛爱博瑞隔振技术有限公司 | A kind of frequency-adjustable tuned mass damper |
| CN108591339A (en) * | 2018-05-24 | 2018-09-28 | 太原科技大学 | A kind of drop spring vibration isolation device and its vibration isolating method |
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2018
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| RU2338828C2 (en) * | 2006-09-27 | 2008-11-20 | Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" | Bridge bearing |
| CN103255850A (en) * | 2013-03-15 | 2013-08-21 | 北京工业大学 | Mass particle-tuning type round-bottom all-direction quake damper |
| CN104018594A (en) * | 2014-04-24 | 2014-09-03 | 柳州东方工程橡胶制品有限公司 | Spherical surface TMD shock absorption control device |
| CN105276076A (en) * | 2015-11-20 | 2016-01-27 | 上海卫星装备研究所 | Novel high-precision hybrid vibration isolation device |
| CN205296456U (en) * | 2015-12-30 | 2016-06-08 | 青岛爱博瑞隔振技术有限公司 | Tuned mass damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305280A (en) * | 2020-03-10 | 2020-06-19 | 广西大学 | Seismic isolation and reduction system and method |
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|---|---|
| CN109083974B (en) | 2020-05-22 |
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