CN109667872A - Quicksand type rotates fluid linking damper - Google Patents
Quicksand type rotates fluid linking damper Download PDFInfo
- Publication number
- CN109667872A CN109667872A CN201811603301.8A CN201811603301A CN109667872A CN 109667872 A CN109667872 A CN 109667872A CN 201811603301 A CN201811603301 A CN 201811603301A CN 109667872 A CN109667872 A CN 109667872A
- Authority
- CN
- China
- Prior art keywords
- damper
- rotating vane
- fluid linking
- gear
- drive pinion
- 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
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/12—Devices with one or more rotary vanes turning in the fluid any throttling effect being immaterial, i.e. damping by viscous shear effect only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
Abstract
The present invention provides a kind of quicksand types to rotate fluid linking damper, the floor gap relative displacement generated under geological process will be inputted by velocity of displacement input unit, and relative displacement and speed are reached into fluid linking damper ontology via gear drive amplifying device, wherein, rotating vane is installed in damper cavity in fluid linking damper ontology, damper cavity passes through bearing and rotation axis connection, rotating vane rotates coaxially on the rotary shaft with drive pinion, the radius of rotating vane is greater than the radius of drive pinion, and recirculation hole is laid in the edge of rotating vane；The drive pinion engagement in rack and pinion group is inputted in velocity of displacement input unit；Damper connector is made of drive pinion and rotary shaft in gear drive amplifying device, and drive pinion is engaged with gear set and fixed on the rotary shaft；The present invention utilizes the transmission principle of gear, so that the displacement of the lines and linear velocity at rotating vane edge are amplified, increases energy consumption, to reach better effectiveness in vibration suppression.
Description
Technical field
The invention belongs to civil engineering (including skyscraper, tall and slender structure etc.) technical fields, and in particular to a kind of assembly
The quicksand type of amplifying device rotates fluid linking damper, combines the displacement of fluid linking damper, gear driven type and rotating vane
And the advantages of speed amplification, collection Tuned Liquid, tuned mass damper, fluid linking damper and granule damper are one
Body, to effectively improve the damping effect of the fluid linking damper.
Background technique
In recent years, the passive control technology such as base isolation, energy-dissipating and shock-absorbing and tuned mass damping control due to its concept is simple,
Clear mechanism, cost are lower, damping effect is significant and are at home and abroad used widely in civil engineering.Wherein, viscous damping
Device is with its good economy performance, applicability is good and the advantages such as maintenance cost is low, receives the attention of vast civil engineering researcher.
Common fluid linking damper be hydraulic cylinder hole gap type damper, by sleeve, piston, oil sealing, damping hole, guide rod and
The composition such as viscid fluid.The mechanism of action is when piston makees axially reciprocating in cylinder barrel, due to the pressure official post before and after piston
Viscid fluid generates the acting of viscous damping power from the decelerating effect that grease chamber passes through throttle orifice, converts thermal energy for mechanical energy, thus
Achieve the purpose that absorb outside energy, therefore can be widely applied to the occasion of damping, buffering and energy consumption.
But there are still certain deficiencies for current fluid linking damper: (1) fluid linking damper of early stage is usually single rod
Form, as the piston moves, since the volume fractiion of practical upper oil cylinder internal viscosity fluid is compressible material, so that working as piston rod
When extraction, this extracted partial piston bar volume occupied in oil cylinder can not be instantly obtained compensation, can generate in oil cylinder
Vacuum phenomenon prevents piston rod from continuing to move；When piston rod retraction, originally in the viscid fluid portion of another side cylinder of piston
Divide and enters in oil cylinder, and the volume of oil cylinder does not increase, so as to cause dieback phenomenon；(2) it is learnt by test, damper is in small row
The performance provided by damper theoretical formula is not achieved in the damping force of journey condition bottombearing damper, is unable to reach under geological process very
Such as theoretical formula method resulting very high damping ratio is provided when thin tail sheep, existing clearly has similar connect with spring to show
Show the phenomenon of spring rate deficiency, the mechanical behavior of pure stickiness can not be showed.And granule damper is as a kind of additional mass quilt
Fluctuation dampers, principle are to be disappeared using rubbing between the molecule filled in constrained space in vibrating body with percussion
System vibration energy is consumed, has many advantages, such as that durability is good, reliability is high, insensitive to temperature change, can be used for adverse circumstances, and
The damping action of granule damper is not limited by direction, these advantages are the extensive use of granule damper in engineering practice
Provide possibility.
Summary of the invention
In order to solve vacuum phenomenon and dieback phenomenon in oil cylinder caused by the piston rod piece of fluid linking damper, realize simultaneously
Amplify fluid linking damper and the wherein relative displacement of liquid and relative velocity, the invention proposes a kind of rotation of quicksand type is viscid
Damper, the damper is on the basis of traditional fluid linking damper advantage, using the drive connection between gear as damper
Trigger device, and the displacement and speed of vibration of building have been simultaneously amplified, union Tuned Liquid (utilizes damper cavity
The liquid dynamic side force that is generated during shaking damping effect is provided), tuned mass damper is (by damper cavity
Particle will be on the vibrational energy transfer to damper of building by dynamic resonance), (liquid passes through fluid linking damper in damper cavity
Throttle resistance can be generated when recirculation hole, realize that mechanical energy is converted to thermal energy and dissipates by interaction) and granule damper (lead to
Inelastic collision and friction in overdamp device cavity between ball or cobblestone particle and between particle and chamber wall disappear
Energy consumption) energy consumption mode be integrated, increase energy consumption, to reach better effectiveness in vibration suppression.Therefore, in existing fluid linking damper
On the basis of improved, using the fluid linking damper of the outer side opening Spiralism type of connection gear driven type Enlargement Design, union
Tuned Liquid, tuned mass damper, fluid linking damper and granule damper are integrated, can eliminate dieback phenomenon and
Displacement enlargement improves damping ratio to a certain extent, this is of great significance for the shockproof control of Practical Project.
In order to achieve the above objectives, solution of the invention is:
A kind of quicksand type rotation fluid linking damper comprising: fluid linking damper ontology, velocity of displacement input unit, gear
It is driven amplifying device, wherein the floor gap relative displacement generated under the effects of earthquake will be inputted by velocity of displacement input unit,
And relative displacement and speed are reached into fluid linking damper ontology via gear drive amplifying device.
In fact, fluid linking damper ontology includes damper cavity 5, rotating vane 8, recirculation hole 9 and bearing 10, pivoting leaf
Piece 8 is installed in damper cavity 5, and damper cavity 5 is connect by bearing 10 with rotary shaft 4, rotating vane 8 and the small tooth of transmission
Wheel 3 rotates coaxially in rotary shaft 4, and the radius of rotating vane 8 is greater than the radius of drive pinion 3；Recirculation hole 9 is laid in rotation
The edge of blade 8.
Velocity of displacement input unit includes that input rack gear 1 and gear set 2, gear set 2 are made of several drive pinions 3,
Input rack gear 1 is engaged with the drive pinion 3 in gear set 2, and input rack gear 1 is fixed on shear-deformable under floor or geological process
Happening part.
Gear drive amplifying device includes damper connector, and damper connector is by drive pinion 3 and 4 groups of rotary shaft
At drive pinion 3 is engaged with gear set 2 and is fixed in rotary shaft 4.
It preferably, further include sand viscose liquids mixture, several balls or cobblestone in damper cavity 5.
Preferably, the edge of rotating vane 8 is equipped at least one recirculation hole 9.
Preferably, the shape of recirculation hole 9 is circle.
Preferably, the form of rotating vane 8 includes single leaf formula, double-valve type or quaterfoil.
By adopting the above scheme, the beneficial effects of the present invention are:
The first, when building generates shear-deformable under seismology, the present invention is using in gear drive amplifying device
Drive pinion and rotary shaft realize the displacement of rotating vane and the amplification of speed in damper cavity, and then increase viscid resistance
The energy consumption of Buddhist nun's device, further effectively improves the control efficiency of building construction vibration, to achieve the purpose that improve anti seismic efficiency.
The second, the Spiralism type structure (i.e. rotating vane) for having recirculation hole is used in fluid linking damper ontology of the invention,
Vacuum will not be generated in oil cylinder in blade rotation, to avoid dieback phenomenon.
Third, the present invention insert sand viscose liquids mixture in fluid linking damper cavity, by the damper
Interior movement is come the kinetic energy for the damper that dissipates；The types such as several balls or cobblestone are also inserted in fluid linking damper cavity
Particle by the friction of particle swarm, collision come the kinetic energy for the damper that shifts and dissipate in the damper, while utilizing a variety of
The energy consumption mode of damper (i.e. Tuned Liquid, tuned mass damper, fluid linking damper and granule damper), thus
Improve the energy efficiency of the fluid linking damper.
4th, the structural form of damper cavity is simple in quicksand type fluid linking damper of the invention, can be according to structure
The different directions that relative displacement occurs adjust setting, keep the position of quicksand type rotation fluid linking damper arrangement more flexible, fit
For the geological process of different directions, to reach preferable effectiveness in vibration suppression.
Detailed description of the invention
Fig. 1 is the left view schematic diagram that quicksand type of the invention rotates fluid linking damper.
Fig. 2 is the schematic top plan view that quicksand type of the invention rotates fluid linking damper ontology in fluid linking damper.
Fig. 3 is the main view that quicksand type of the invention rotates fluid linking damper.
Fig. 4 is that quicksand type of the invention rotates rotating vane and drive pinion (i.e. transmission gear) in fluid linking damper
Radius size schematic diagram.
Appended drawing reference: input rack gear 1, gear set 2, drive pinion 3, rotary shaft 4, damper cavity 5, the viscid liquid of sand
Body mixture 6, ball or cobblestone 7, rotating vane 8, recirculation hole 9 and bearing 10.
Specific embodiment
The present invention provides a kind of quicksand types to rotate fluid linking damper.
As shown in Figure 1 to Figure 3, a kind of quicksand type rotation fluid linking damper includes: that fluid linking damper ontology, velocity of displacement are defeated
Enter device and gear drive amplifying device three parts, wherein the floor gap relative displacement generated under the effects of earthquake will pass through position
Speed input input is moved, and relative displacement and speed are reached into fluid linking damper ontology via gear drive amplifying device；
Specifically, fluid linking damper ontology includes damper cavity 5, rotating vane 8, recirculation hole 9 and bearing 10, in damper cavity 5
Including sand viscose liquids mixture 6, several balls or cobblestone 7, rotating vane 8 is installed in damper cavity 5, damper
Cavity 5 is connect with rotary shaft 4 by bearing 10, and rotating vane 8 rotates coaxially in rotary shaft 4 with drive pinion 3, pivoting leaf
The radius of piece 8 is greater than the radius of drive pinion 3；Recirculation hole 9 is laid in the edge of rotating vane 8；Velocity of displacement input unit
Input rack gear 1 and 3 drive pinion 3 including being fixed on shear-deformable happening part under floor or geological process (is driven small
The quantity of gear is depending on the circumstances, is not particularly limited herein) constitute gear set 2, gear set 2 with input rack gear 1 nibble
It closes；Gear drive amplifying device includes damper connector, and damper connector is made of drive pinion 3 and rotary shaft 4, is passed
Dynamic pinion gear 3 is engaged with gear set 2 and is fixed in rotary shaft 4.
Wherein, as shown in figure 4, the radius for setting drive pinion 3 and rotating vane 8 is respectively r1、r2, angular displacement is respectively
ω1、ω2, the displacement of the lines at 8 edge of drive pinion 3 and rotating vane is respectively s1、s2。
Then have
s1=ω1·r1 (1)
s2=ω2·r2 (2)
Due to drive pinion 3 and 8 coaxial rotating of rotating vane, then have
ω1=ω2 (3)
From (1) (2) (3) formula
δ is the amplification factor of the present apparatus in formula, it is equal to the ratio between the radius of rotating vane 8 and drive pinion 3.
By (4) formula it is found that the relationship of drive pinion 3 and 8 edge linear velocity of rotating vane are as follows:
Above-mentioned ratio is the amplification factor of quicksand type rotation fluid linking damper of the present invention.
In short, under the present invention is the wind and/or earthquake the effects of, the velocity of displacement input that connect with building basis or floor
Device will drive drive pinion 3 and rotating vane 8 to rotate, and be closed using the radius size of drive pinion 3 and rotating vane 8
System, according to gear drive principle, drive pinion 3 is identical as the angular displacement of rotating vane 8 and angular speed, and rotating vane 8
Radius is relatively large, then the linear velocity at drive pinion 3 and displacement of the lines are amplified by the two radius ratio, thus pivoting leaf
The displacement of the lines and linear velocity at 8 edge of piece are amplified, and drive 5 inside sand viscose liquids mixture of damper cavity in short-term
In with biggish flow velocity by recirculation hole 9, make the damper that there is better oscillation damping and energy dissipating effect, in architectural engineering antidetonation and
Wind resistance field has wide applicability.
In a specific embodiment of the invention, the edge of rotating vane 8 is equipped at least one recirculation hole 9, more specifically
The edge on ground, rotating vane 8 is equipped with the circular recirculation hole 9 of a row, and the quantity of recirculation hole 9 is depending on the circumstances, does not make herein
Especially limitation.
In a specific embodiment of the invention, the form of rotating vane 8 includes single leaf formula, double-valve type or quaterfoil；
The area and quantity of rotating vane 8 determine that the energy dissipation capacity of quicksand type rotation fluid linking damper, the thickness of rotating vane 8 guarantee it
The shape of stability, rotating vane 8 is determined according to design requirement.
Velocity of displacement input unit and fluid linking damper ontology should be mounted on different structural elements or floor, with earthquake
It acts on lower relative displacement or relative motion rate is larger is advisable.
The course of work of the invention are as follows:
Under the wind and/or earthquake the effects of, quicksand type rotation fluid linking damper of the invention passes through velocity of displacement input dress
The relative displacement of input rack gear input floor in setting, is driven opposite position using the drive pinion in gear drive amplifying device
It moves, and by the radius ratio between drive pinion (radius is relatively small) and rotating vane (radius is relatively large), utilizes tooth
Transmission principle is taken turns, displacement of the lines on the outside of rotating vane in damper cavity in fluid linking damper ontology is amplified, rotating vane
Rotation, viscid fluid is forced in the short time with biggish flow velocity through the recirculation hole on rotating vane inside damper cavity,
To generating biggish damping force, and in rotating vane rotation process, by the movement of system and the friction of particle swarm, touch
It hits to shift the kinetic energy of simultaneously dissipative structure, in this way, simultaneously in the way of the energy consumption of a variety of dampers, to improve damper
Energy efficiency, while also broadening the damping frequency of damper.
The above-mentioned description to embodiment is that this hair can be understood and used for the ease of those skilled in the art
It is bright.Those skilled in the art obviously readily can make various modifications to these embodiments, and described herein one
As principle be applied in other embodiments, without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments.
Those skilled in the art's principle according to the present invention, not departing from improvement that scope of the invention is made and modification all should be at this
Within the protection scope of invention.
Claims (5)
1. a kind of quicksand type rotates fluid linking damper, it is characterised in that: comprising: which fluid linking damper ontology, velocity of displacement input
Device and gear drive amplifying device, wherein the floor gap relative displacement generated under geological process will be by the velocity of displacement
Input unit input, and relative displacement and speed are reached into the fluid linking damper sheet via the gear drive amplifying device
Body；
The fluid linking damper ontology includes damper cavity (5), rotating vane (8), recirculation hole (9) and bearing (10), described
Rotating vane (8) is installed in the damper cavity (5), and the damper cavity (5) passes through the bearing (10) and rotation
Axis (4) connection, the rotating vane (8) rotate coaxially on the rotary shaft (4) with drive pinion (3), the pivoting leaf
The radius of piece (8) is greater than the radius of the drive pinion (3)；The recirculation hole (9) is laid in the side of the rotating vane (8)
Edge；
The velocity of displacement input unit includes input rack gear (1) and gear set (2), and the gear set (2) is small by several transmissions
Gear (3) composition, input rack gear (1) are engaged with the drive pinion (3) in the gear set (2)；
The gear drive amplifying device includes damper connector, and the damper connector is by drive pinion (3) and rotation
Shaft (4) composition, the drive pinion (3) and the gear set (2) are engaged and are fixed on the rotary shaft (4).
2. quicksand type according to claim 1 rotates fluid linking damper, it is characterised in that: in the damper cavity (5)
It further include sand viscose liquids mixture, several balls or cobblestone.
3. quicksand type according to claim 1 rotates fluid linking damper, it is characterised in that: the side of the rotating vane (8)
Edge is equipped at least one recirculation hole (9).
4. quicksand type according to claim 1 rotates fluid linking damper, it is characterised in that: the shape of the recirculation hole (9)
For circle.
5. quicksand type according to claim 1 rotates fluid linking damper, it is characterised in that: the shape of the rotating vane (8)
Formula includes single leaf formula, double-valve type or quaterfoil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603301.8A CN109667872A (en) | 2018-12-26 | 2018-12-26 | Quicksand type rotates fluid linking damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603301.8A CN109667872A (en) | 2018-12-26 | 2018-12-26 | Quicksand type rotates fluid linking damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109667872A true CN109667872A (en) | 2019-04-23 |
Family
ID=66146245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811603301.8A Pending CN109667872A (en) | 2018-12-26 | 2018-12-26 | Quicksand type rotates fluid linking damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667872A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894165A (en) * | 2020-08-17 | 2020-11-06 | 郑秀平 | Assembly type structure, damper and working method |
| CN114658787A (en) * | 2022-02-28 | 2022-06-24 | 南京林业大学 | Rotary shearing type magnetorheological vibration damping device and vibration damping method suitable for micro vibration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080078633A1 (en) * | 2006-08-08 | 2008-04-03 | Chong-Shien Tsai | Shock suppressor |
| CN104005492A (en) * | 2014-05-16 | 2014-08-27 | 重庆大学 | Quicksand type energy dissipation shock absorption and damping hybrid device |
| CN106948639A (en) * | 2017-04-14 | 2017-07-14 | 同济大学 | Spiralism type viscous damper |
| CN107130700A (en) * | 2017-04-21 | 2017-09-05 | 同济大学 | A kind of Bi-directional amplifier device of damper velocity displacement |
| CN107859195A (en) * | 2017-09-21 | 2018-03-30 | 同济大学 | A kind of horizontal displacement amplifying device |
-
2018
- 2018-12-26 CN CN201811603301.8A patent/CN109667872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080078633A1 (en) * | 2006-08-08 | 2008-04-03 | Chong-Shien Tsai | Shock suppressor |
| CN104005492A (en) * | 2014-05-16 | 2014-08-27 | 重庆大学 | Quicksand type energy dissipation shock absorption and damping hybrid device |
| CN106948639A (en) * | 2017-04-14 | 2017-07-14 | 同济大学 | Spiralism type viscous damper |
| CN107130700A (en) * | 2017-04-21 | 2017-09-05 | 同济大学 | A kind of Bi-directional amplifier device of damper velocity displacement |
| CN107859195A (en) * | 2017-09-21 | 2018-03-30 | 同济大学 | A kind of horizontal displacement amplifying device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894165A (en) * | 2020-08-17 | 2020-11-06 | 郑秀平 | Assembly type structure, damper and working method |
| CN111894165B (en) * | 2020-08-17 | 2021-11-30 | 浙江银晨建设有限公司 | Assembly type building |
| CN114658787A (en) * | 2022-02-28 | 2022-06-24 | 南京林业大学 | Rotary shearing type magnetorheological vibration damping device and vibration damping method suitable for micro vibration |
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Application publication date: 20190423 |