CN105673762B - A kind of fluid damper to be consumed energy using Vibration of Elastic Bodies - Google Patents
A kind of fluid damper to be consumed energy using Vibration of Elastic Bodies Download PDFInfo
- Publication number
- CN105673762B CN105673762B CN201610134681.XA CN201610134681A CN105673762B CN 105673762 B CN105673762 B CN 105673762B CN 201610134681 A CN201610134681 A CN 201610134681A CN 105673762 B CN105673762 B CN 105673762B
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- Prior art keywords
- cylinder
- guide rod
- fluid
- master cylinder
- damper
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Classifications
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- 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
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
-
- 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
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
Abstract
The present invention relates to a kind of fluid damper to be consumed energy using Vibration of Elastic Bodies, including adpting flange, guide rod, seal, master cylinder cylinder, piston and attached cylinder barrel, the fluid damper is connected by the adpting flange at both ends with agent structure, the adpting flange of one end is connected with the guide rod, the adpting flange of the other end is connected by the first nut with the attached cylinder barrel, the piston is installed on the centre position of the master cylinder cylinder by the guide rod, the master cylinder cylinder is connected with the attached cylinder barrel by the second nut, the master cylinder cylinder is closed by the seal and first nut and second nut, inside fills damper fluid.The present invention has the advantages that simple structure, damper fluid require low, possess non-linear energy dissipation behavior, and larger damping can be provided to civil engineering structure, reduces the dynamic response of structure, improves safety of structure.
Description
Technical field
The present invention is a kind of vibration absorber for engineering structure, available for civil engineering structure in geological process or wind lotus
A kind of dynamic response control under load effect, and in particular to fluid damper to be consumed energy using Vibration of Elastic Bodies.
Background technology
Effects of Viscous Fluid Damper is a kind of passive dissipative damping device, and it mainly includes cylinder body, the work being arranged in cylinder body
Plug, guide rod, the seal at cylinder body both ends and the viscous fluid that is filled in cylinder body.On the piston of conventional Effects of Viscous Fluid Damper
Provided with throttle orifice, when piston and cylinder body generation relative motion, viscous fluid flows to the other end from piston one end by throttle orifice,
And then the viscous damping force with velocity correlation is produced, reach the purpose of power consumption.Conventional Effects of Viscous Fluid Damper constructs according to it
It is commonly divided into the diversified forms such as single rod, double rods, hydraulic cylinder clearance-type.At present, it has been disclosed that some viscous fluids damping
Device majority employs principle of the fluid along journey damping and small damping power consumption, such as engineering structure damping fluid bumper
（ZL200219648.4）, big output quick response damper（ZL200920045830.0）Deng.These dampers majority is linear
Effects of Viscous Fluid Damper, compared to this kind of damper, nonlinear viscous fluid damper has more preferable energy dissipation capacity and high speed
When relatively low power output, also have more application in Practical Project.
Reach the nonlinear purpose of damper, generally there are two kinds of thinkings：When damping material is improved, second, pair
The construction of damper is designed.Former principally falls into the category of material science, is mainly base in engineering structure vibration damping field
In the spiral-hole type viscous damper of latter thinking, such as change damping hole inwall form（ZL200910027946.6）, hindering
The Effects of Viscous Fluid Damper based on porous restriction of filler particles object in Buddhist nun（ZL201310190499.2）Deng in addition with can
Adjust the controllable viscous damper of damperparameters（ZL200910027945.1）, the adjustable viscous damper of damping force
（ZL200920045831.5）Deng.However, these dampers are to throttle to produce the principle of damping based on fluid orifices mostly, stream is utilized
The vibrational energy that body motion dissipative structure transmission comes, construction and making in actual design to aperture require higher.
Using elongate resilient pipe in working fluid following current easily occurs for this patent to the principle buffeted with Vortex-excited vibration, opens
The fluid damper for sending out a kind of to be consumed energy using Vibration of Elastic Bodies, is carried for the design of Effects of Viscous Fluid Damper and other fluid dampers
For a kind of new damping energy dissipation mode.
The content of the invention
The object of the present invention is to overcome the problems of the prior art, there is provided one kind is existed using elongated cylindrical elastomer
In working fluid vibration power consumption fluid damper, for civil engineering structure dynamic disaster effect under passive energy dissipation,
The invention provides a kind of power consumption principle for being different from general Effects of Viscous Fluid Damper hole power consumption, elongated cylindrical bullet make use of
Property buffeting and whirlpool of the body in working fluid shake and transmit vibrational energy, utilize the Damping work structural vibration energy of elastomer itself
Amount, has the characteristics that easy to process, stable performance, energy dissipation capacity are strong.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of fluid damper to be consumed energy using Vibration of Elastic Bodies, including adpting flange, guide rod, seal, master cylinder cylinder are living
Plug and attached cylinder barrel, the fluid damper are connected by the adpting flange at both ends with agent structure, the connection of one end
Flange is connected with the guide rod, and the adpting flange of the other end is connected by the first nut with the attached cylinder barrel, the piston
The centre position of the master cylinder cylinder is installed on by the guide rod, the master cylinder cylinder is connected with the attached cylinder barrel by the second nut
Connect, the master cylinder cylinder is closed by the seal and first nut and second nut, and inside fills damping
Fluid.
Further, elongated resilient body is provided with the piston.
Further, the seal is played to be oriented to the guide rod and led with closed effect, the seal with described
Sealed between bar by way of sealing ring and oil sealing, pass through seal with elastometic washer, the piston between the master cylinder cylinder
Oil sealing is carried out between the master cylinder cylinder.
Further, the elongated resilient body is circular cross-section, is made up of waterproof case, stiffness layer and damping layer.
Further, the damper fluid is that its physical parameter can make the elongated resilient body occur to buffet what is shaken with whirlpool
Liquid.
Beneficial effects of the present invention:
The present invention has the advantages that simple structure, good damping result, damping energy dissipation mode are new.First, consumed energy as one kind
Vibration absorber, the present invention can effectively control response of the civil engineering structure under dynamic load function, protect agent structure.Together
When, deformed come the energy in dispersing liquid, made using violent oscillatory motion caused by elongated resilient body in a liquid relative motion
Obtain the high high damping material of energy efficiency（Lead etc.）Or high-damping construction（Oscillator）Liquid itself power consumption of poor efficiency is instead of, is made
The damping material selection for obtaining fluid damper is no longer limited to the high cost liquid such as high-performance viscous fluid, while also non-to obtain
Linear fluid damper provides new thinking, adds the design alternative of fluid damper.
Brief description of the drawings
Fig. 1 is schematic appearance of the present invention using the fluid damper of Vibration of Elastic Bodies power consumption；
Fig. 2 is structure vertical section organigram of the present invention using the fluid damper of Vibration of Elastic Bodies power consumption；
Fig. 3（a）The first structural representation of the 1-1 sections of fluid damper of Vibration of Elastic Bodies power consumption is utilized for the present invention
Figure；
Fig. 3（b）Second of structural representation of 1-1 sections for the present invention using the fluid damper of Vibration of Elastic Bodies power consumption
Figure；
Fig. 4 is elongated resilient body diagrammatic cross-section of the present invention using the fluid damper of Vibration of Elastic Bodies power consumption.
Label declaration in figure：1st, adpting flange, 2, guide rod, the 31, first nut, the 32, second nut, 4, seal, 5, main
Cylinder barrel, 6, piston, 7, elongated resilient body, 8, attached cylinder barrel, 9, damper fluid.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
Shown in reference picture 1- Fig. 4, a kind of fluid damper to be consumed energy using Vibration of Elastic Bodies, including adpting flange 1, guide rod
2, seal 4, master cylinder cylinder 5, piston 6 and attached cylinder barrel 8, the adpting flange 1 and main body that the fluid damper passes through both ends
Structure is connected, and the adpting flange 1 of one end is connected with the guide rod 2, and the adpting flange 1 of the other end passes through the first nut
31 are connected with the attached cylinder barrel 8, and the piston 6 is installed on the centre position of the master cylinder cylinder 5, the master by the guide rod 2
Cylinder barrel 5 is connected with the attached cylinder barrel 8 by the second nut 32, and the master cylinder cylinder 5 passes through the seal 4 and first spiral shell
Mother 31 and second nut 32 are closed, and inside fills damper fluid 9.
Further, elongated resilient body 7 is provided with the piston 6.
Further, the seal 4 plays to the guide rod 2 is oriented to and closed effect, the seal 4 with it is described
Sealed between guide rod 2 by way of sealing ring and oil sealing, it is described by seal with elastometic washer between the master cylinder cylinder 5
Oil sealing is carried out between piston 6 and the master cylinder cylinder 5.
Further, the elongated resilient body 7 is circular cross-section, by 73 groups of waterproof case 71, stiffness layer 72 and damping layer
Into, the waterproof case 71 is located at the outermost of elongated resilient body 7, for protecting the stiffness layer 72 and damping layer 73 to exist
Normal work in liquid, and the exterior cylindrical shape formed provides one of condition of Vortex-excited vibration generation, the Rocket/projectile
Property body 7 where the piston 6 when being moved in the master cylinder cylinder 5, because the damper fluid 9 in the master cylinder cylinder 5 is present, make
The elongated resilient body 7 occur by buffet and whirlpool shake caused by significantly vibrate, cause kinergety to be delivered to the Rocket/projectile
Property body 7, and be that the elongated resilient body 7 provides the damping of dissipation energy by the damping layer 73, lead, high-damping rubber can be selected
Deng Energy dissipating material, the stiffness layer 72 is that the elongated resilient body 7 provides rigidity, can select steel, aluminium etc. as needed；Institute
State the connection of elongated resilient body 7 and the piston 6 be designed as being hinged according to rigidity requirement, rigid connection or semi-rigid joint, by changing
State length, sectional dimension, the stiffness layer 72, the damping layer 73, the type of attachment of elongated resilient body 7, and the damping
The species of fluid 9, the performance parameter of the fluid damper can be adjusted.
Further, the damper fluid 9 is that its physical parameter can make the generation of elongated resilient body 7 buffeting and whirlpool shake
Liquid.
Preferably, the master cylinder cylinder 5 uses high-strength alloy steel seamless steel tube, and uses cold extrusion work to its inner surface
Skill, strengthen wearability, prevent from producing leakage by piston plucking or scuffing in the course of the work.
Further, the guide rod of guide rod 2 uses the solid guide rod of high-strength alloy, outer surface hard chrome plating, strengthen its intensity,
Wearability and resistance to corrosion, the abrasion on guide rod surface is avoided, be advantageous to improve the sealing effectiveness of damper.
Preferably, elongated resilient body 7 is circular cross-section,
The principle of the present invention：
The vibration of agent structure causes the change for the relative position of both ends adpting flange 1 for being connected to agent structure, so as to
The piston 6 for causing to be connected with guide rod 2 moves in master cylinder cylinder 5, therefore elongated resilient body 7 follows piston 6 to transport in a fluid
It is dynamic, so as to trigger the buffeting of elongated resilient body 7.At the same time, because structural vibration is often by some major frequency components
Vibration is formed by stacking, and it is most when some frequency content vibration play a leading role, cause the relative motion of piston 6 and fluid
It is maintained in some particular speed range, so as to induce the Vortex-excited vibration of the elongated resilient body 7 of particular design.By this two
Kind induces the form of Vibration of Elastic Bodies, has given the energy transmission of structural vibration to elongated resilient body 7, and by being damped in elastomer
The significantly deformation dissipation energy of layer 73, and damping force is provided, suppress the vibratory response of agent structure with this, protection agent structure exists
Safety under the effect of the dynamic disasters such as earthquake, wind load.
The specific implementation step of the present invention：
（1）Structure is analyzed, required vibration absorber parameter is calculated, determines therefrom that fluid damper section shape
The design parameters such as shape, diameter, piston depth, elongated resilient body size and number.
（2）The damping layer 73 of elongated, cylindrical is processed, is covered outside it or wraps up stiffness layer 72, finally in stiffness layer 72
Waterproof case 71 is put outside, is assembled into elongated resilient body；Machining piston 6 as shown in Figure 3, and the connection side wanted according to design
Elongated resilient body is installed in piston 6 by formula.
（3）Damper piston 6 is arranged on to the centre position of guide rod 2；It is respectively provided between the both ends of guide rod 2 and master cylinder cylinder 5 close
It is a set of to seal body 4, seal 4 is annular, and one end is stuck on master cylinder cylinder 5 by neck, and is fixed by nut 3 and master cylinder cylinder 5；It is close
Sealed between envelope body 4 and guide rod 2 by way of sealing ring and oil sealing, pass through seal with elastometic washer between master cylinder cylinder 5；It is living
Oil sealing is carried out between plug 6 and master cylinder cylinder 5.
（4）Connected between master cylinder cylinder 5 and attached cylinder barrel 8 by nut 3, pour into damper fluid 9 and seal；Finally, one end connects
Acting flange 1 is directly connected with guide rod, and other end adpting flange 1 is connected by nut 3 with attached cylinder barrel 8.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (2)
1. a kind of fluid damper to be consumed energy using Vibration of Elastic Bodies, it is characterised in that including adpting flange（1）, guide rod（2）,
Seal（4）, master cylinder cylinder（5）, piston（6）With attached cylinder barrel（8）, the adpting flange that the fluid damper passes through both ends
（1）It is connected with agent structure, the adpting flange of one end（1）With the guide rod（2）Connection, the adpting flange of the other end
（1）Pass through the first nut（31）With the attached cylinder barrel（8）Connection, the piston（6）Pass through the guide rod（2）It is installed on the master
Cylinder barrel（5）Centre position, the master cylinder cylinder（5）With the attached cylinder barrel（8）Pass through the second nut（32）Connection, the master cylinder cylinder
（5）Pass through the seal（4）With first nut（31）And second nut（32）Closing, inside fills damping
Fluid（9）, the piston（6）In be provided with elongated resilient body（7）, the elongated resilient body（7）It is circular cross-section, by waterproof case
(71), stiffness layer (72) and damping layer (73) composition, the damper fluid (9) are that its physical parameter can make elongated resilient body
(7) liquid buffeted and whirlpool shakes occurs.
2. a kind of fluid damper to be consumed energy using Vibration of Elastic Bodies according to claim 1, it is characterised in that described close
Envelope body (4) plays guiding and closed effect to the guide rod (2), by close between the seal (4) and the guide rod (2)
The mode of seal and oil sealing is sealed, by seal with elastometic washer between the master cylinder cylinder (5), the piston (6) with it is described
Master cylinder cylinder carries out oil sealing between (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134681.XA CN105673762B (en) | 2016-03-10 | 2016-03-10 | A kind of fluid damper to be consumed energy using Vibration of Elastic Bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134681.XA CN105673762B (en) | 2016-03-10 | 2016-03-10 | A kind of fluid damper to be consumed energy using Vibration of Elastic Bodies |
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| Publication Number | Publication Date |
|---|---|
| CN105673762A CN105673762A (en) | 2016-06-15 |
| CN105673762B true CN105673762B (en) | 2017-12-26 |
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| CN201610134681.XA Active CN105673762B (en) | 2016-03-10 | 2016-03-10 | A kind of fluid damper to be consumed energy using Vibration of Elastic Bodies |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948638A (en) * | 2017-04-13 | 2017-07-14 | 同济大学 | Set up the power consumption coupling beam of liquid inertia mass damper |
| CN110042941B (en) * | 2019-03-19 | 2024-04-16 | 苏州科技大学 | Elbow-shaped elastomer vibration energy-dissipation rotary fluid damping node |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158155A (en) * | 1995-08-04 | 1997-08-27 | 奥依列斯工业株式会社 | Vibration isolation device |
| CN2572130Y (en) * | 2002-09-20 | 2003-09-10 | 上海材料研究所 | Viscos damper |
| CN101576139A (en) * | 2009-05-13 | 2009-11-11 | 东南大学 | Controllable viscous damper |
| CN104781575A (en) * | 2012-09-03 | 2015-07-15 | 奥依列斯工业株式会社 | Seismic base isolation device |
| CN205446521U (en) * | 2016-03-10 | 2016-08-10 | 苏州科技学院 | Utilize power -wasting fluid damping ware of elastomer vibration |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2853048B2 (en) * | 1989-10-16 | 1999-02-03 | 三和テッキ株式会社 | Damping device |
| JP4581832B2 (en) * | 2005-05-16 | 2010-11-17 | 横浜ゴム株式会社 | Composite viscoelastic damper |
-
2016
- 2016-03-10 CN CN201610134681.XA patent/CN105673762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158155A (en) * | 1995-08-04 | 1997-08-27 | 奥依列斯工业株式会社 | Vibration isolation device |
| CN2572130Y (en) * | 2002-09-20 | 2003-09-10 | 上海材料研究所 | Viscos damper |
| CN101576139A (en) * | 2009-05-13 | 2009-11-11 | 东南大学 | Controllable viscous damper |
| CN104781575A (en) * | 2012-09-03 | 2015-07-15 | 奥依列斯工业株式会社 | Seismic base isolation device |
| CN205446521U (en) * | 2016-03-10 | 2016-08-10 | 苏州科技学院 | Utilize power -wasting fluid damping ware of elastomer vibration |
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| CN105673762A (en) | 2016-06-15 |
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