CN105421613B - Rod-type tuned mass damper damping device - Google Patents
Rod-type tuned mass damper damping device Download PDFInfo
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- CN105421613B CN105421613B CN201511029531.4A CN201511029531A CN105421613B CN 105421613 B CN105421613 B CN 105421613B CN 201511029531 A CN201511029531 A CN 201511029531A CN 105421613 B CN105421613 B CN 105421613B
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- 238000010521 absorption reaction Methods 0.000 description 1
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- 239000010949 copper Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
- E04H9/02—Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
Abstract
The present invention proposes rod-type tuned mass damper damping device, belongs to amping device technical field, the problem of solving porcelain knob type electrical equipment vibration prevention scarce capacity.The damping device includes support meanss, quality device and stiffness means；The quality device includes N grades of quality loops, wherein, N is positive integer；The stiffness means include N group level rigidity bars, and the quality loop is fixedly installed in above support meanss by rigidity bar, and the anchor ring of N grades of quality loops is in same plane, and using concentric circle patterns layout.The group level of the sum of series rigidity bar of the quality loop is corresponded.The damping device redundancy quality is extremely low, and damping stability is good, can disturb small to controlled device according to that need to use space allocation own dimensions, non-aging.
Description
Technical field
The present invention relates to rod-type tuned mass damper damping device, belong to amping device technical field.
Background technology
Earthquake disaster has sudden and destructiveness, seriously threatens the safety of life and property of the mankind.Porcelain knob type is electric
Equipment is applied widely in power system, and with the development of power industry, the grade more and more higher of power transmission and transforming equipment,
High voltage electric equipment especially superhigh voltage DC power transmission and transforming equipment increasingly with it is fine and soft, top quality is increasing, to its antidetonation
The requirement of performance is higher.Porcelain knob type electrical equipment earthquake is very serious in all previous macroseism both domestic and external, it is ensured that porcelain knob type is electric
Equipment normal work under geological process is most important to guarantee safe operation of power system.
Damage type in porcelain knob type electrical equipment earthquake is mainly insulator end and broken and oil leak.For this case
Problem, lot of domestic and international scholar takes different measures to improve its anti-seismic performance.Have by bracing wire reinforce etc. measure come
Lateral rigidity is improved, what is had sets metal damper come the seismic energy that dissipates at lower bracket, also has using base isolation skill
Art isolates input earthquake with electrical equipment, among these including laminated rubber bases and friction pendulum support etc..
Tuned mass damper (TMD) is a kind of passive seismic control device for being widely used in civil engineering structure, it
Can be according to the seismic calamity of porcelain knob type electrical equipment, the acceleration of the lower porcelain knob type electrical equipment of reduction earthquake motion effect and root should
Power is reacted.
TMD is made up of quality system, spring system and damping system.When earthquake occurs, controlled device is acted in earthquake
Start vibration under, the vibration of controlled device drives TMD systems to vibrate jointly, because being that elasticity connects between TMD and controlled device
Connect, relative motion can be produced between TMD and controlled device, if the TMD natural frequencies of vibration are adjusted into the porcelain knob type electricity with being controlled
The close desired value of the gas equipment natural frequency of vibration (exact value can be determined by theoretical calculation), TMD is possible to be supplied to equipment one
Individual power in opposite direction with equipment inertia force all the time, so as to reduce the amplitude made a concerted effort acted in equipment, is also just reduced
The dynamic response of equipment when earthquake motion is acted on.From the perspective of power consumption, set and damp to TMD, dissipate ground by TMD motion
Ground passes to the energy of equipment when shake occurs, and the consumption of energy is focused in TMD devices, and this reduces equipment institute in itself
The energy absorbed is needed, the damage that equipment is likely to occur in itself is alleviated, so as to reach the purpose for mitigating equipment earthquake.
The advantage that the present invention is compared with traditional porcelain column type electrical equipment shock-dampening method is made a concrete analysis of below.Existing method is main
There are stay-supported shock-dampening method, metal damper shock-dampening method, base isolation technical shock method, insulated full-enclosed formula combined electrical apparatus
Power distribution equipment shock-dampening method, multiple ring type tuned mass damper damping device.
(1) stay-supported shock-dampening method：This method is static(al) method for strengthening.Equipment resistance water is improved by increasing superfluous constraint
The ability of level land brisance.This method principle is simply clear, but this reinforcing mode is easily fixed in earthquake in pull bar or bracing wire
Position is damaged, and new weak link is formed, simultaneously as the requirement of the mounting means and electric insulation of bracing wire, this method pair
Space requirement is big.
(2) lead alloy damper shock-dampening method：By installing metal damping shock absorber, change frequency, the increase of equipment
The damping of equipment, reduces the earthquake response of equipment.Current this method has some applications at home, and Zhang Xuesong is in article《Install
The 220kV breaker shaketalle tests of NEW Pb damper》The shaketalle test result of this damper is given, is as a result shown
New lead alloy damper can reduce the acceleration and displacement at the top of breaker, and bottom porcelain bushing shell maximum strain can be reduced
More than 50%.But the earthquake motion that this method is enriched for long period composition and Near-field ground motion this two class spy containing velocity pulse
The damping effect of different earthquake motion is relatively weak.
(3) laminated rubber damping bearing shock-dampening method：By changing equipment supporting condition, the natural vibration period of extension device,
The predominant period section of earthquake motion is avoided, so that dynamic response of the top equipment under earthquake motion effect is reduced, while can also lead to
Cross the measures such as increase lead for retractable pencil and carry out dissipation energy.This method has substantial amounts of application example, technology maturation damping effect in different field
Also very well, but this method has the following disadvantages, it is the easy aging of rubber first, next to that base isolation would generally increase shock insulation branch
There is wire connection the absolute displacement reaction of seat top equipment, most porcelain knob type electrical equipment upper ends, and the increase of displacement is held
Easily there is equipment because of the situation that wire is pulled and destroys, the 3rd is shock isolating pedestal not tension, even if not considering laminated rubber shock insulation
The both of the aforesaid shortcoming of bearing shock-dampening method, this method is generally also only used for the transformer top set that substrate occurs without tension
Pipe damping, is difficult to apply to be directly installed on the damping of the porcelain knob type electrical equipment such as large-scale current transformer, the arrester on ground.
(4) Friction pendulum system shock-dampening method：By changing equipment supporting condition, the natural vibration period of extension device, avoid ground
The predominant period section of vibrations is to reduce the dynamic response of equipment.Friction-pendulum shock-insulation support combines the general of sliding bearing and pendular motion
Read, mainly determined using the frequency of system after earthquake isolating equipment by the geometric parameter put, while the Friction dissipation for passing through sliding surface
Energy.Friction-pendulum shock-insulation device is gone back in the existing substantial amounts of application of building field, but in the damping application of porcelain knob type electrical equipment
There are problems that, one be increased top equipment displacement, two be this shock isolating pedestal not tension.
(5) totally enclosed type combined electrical apparatus power distribution equipment (GIS) shock-dampening method:Different from ordinary distribution device, GIS is by open circuit
Device, disconnecting switch, it is quick or at a slow speed the element such as earthed switch, current transformer, arrester, bus by closed composition, plus
In the storehouse of the SF6 gases full of certain pressure, electric insulation can ensure that SF6 gases are simultaneously by SF6 gases in storehouse
Also arc-extinguishing medium is played.The superiority of this method is a lot, and floor space is small, and equipment arrangement center of gravity is low, at home and abroad also should
It is more and more.It is 30-40 times of distributing element investment but GIS up-front investments are big；And GIS combination electric appliance once occurs
Failure, consequence is much more serious than open type transformer station；Meanwhile, the leakage of sulfur tetrafluoride gas will also result in corresponding environment etc.
Problem.
(6) the multiple ring type tuned mass damper damping device (patent No.：ZL 201520260800.7)：This method is adopted
Tuned mass damper principle is used, has the advantages that cost is low, small to space requirement, be substantially not present problem of aging.But originally
The deformable scope for the ring type spring that method is used is relatively small, not enough to special violent earthquake margin of safety.
The content of the invention
The present invention is solution problems of the prior art, it is proposed that rod-type tuned mass damper damping device, institute
The technical scheme taken is as follows：
The damping device includes support meanss 1, quality device 2 and stiffness means 3；The quality device includes N grades of matter
Ring is measured, wherein, N is positive integer；The stiffness means 3 include N group level rigidity bars, and the quality loop is fixedly mounted by rigidity bar
In the top of support meanss 1.
Preferably, the anchor ring of the N grades of quality loop is in same plane, and using concentric circle patterns layout.
Preferably, the group level of the sum of series rigidity bar of the quality loop is corresponded.
Preferably, the support meanss 1 include first level support and the second horizontal stand；The first level support and
Second horizontal stand bottom is equipped with two projections；Projection on the first level support is with perpendicular to first level support footpath
Fix and be welded on horizontal stand bottom surface for symmetry axis to the central shaft in direction；Projection on second horizontal stand is with vertical
Fix and be welded on horizontal stand bottom surface for symmetry axis in the central shaft of the second horizontal stand radial direction.
Preferably, it is equipped with screw in the first level support, the second horizontal stand, quality loop and projection.
Preferably, the support meanss also include nut 4 and bolt 5；Nut 4 and bolt 5 combination is installed on projection
On.
Preferably, the rigidity bar includes first group of level straight-bar and second group of level straight-bar；First group of level straight-bar
One end is fixedly mounted on first level support, and the other end is fixedly installed on quality loop；One end of second group of level straight-bar
It is fixedly mounted on the second horizontal stand, the other end is fixedly mounted on quality and changed.
Preferably, first group of level straight-bar includes two straight-bars, and the straight-bar is each perpendicular to first level support frame, and
First level rack upper surface is fixedly mounted on using the central shaft perpendicular to first level support radial direction as symmetry axis；It is described
Second group of level straight-bar includes two straight-bars, and the straight-bar is each perpendicular to the second horizontal shore, and with perpendicular to the second level branch
The central shaft of frame radial direction is that symmetry axis is fixedly mounted on the second horizontal stand upper surface.
Preferably, first group of level straight-bar and second group of level straight-bar use metal material.In view of equipment and damping
Influence that may be present between device, metallic rod is preferentially from the small material of resistance, such as copper.
Preferably, the quality of the quality loop is 1%-100% than scope, and is not limited to traditional 5%
Within, it is contemplated that the characteristics of this kind equipment, the quality of quality loop can be adjusted according to shock attenuation needs.Wherein, mass ratio is to subtract
Device is shaken with installing the porcelain knob type electrical equipment mass ratio of the damping device.
Beneficial effect of the present invention：
(1), redundancy quality is very small, and effective mass ratio (mass ratio of quality ring quality and whole damping device) is 95%
More than, far above similar damping device.Compared with similar damping device, extremely low redundancy mass ratio is increasing damping effect of the present invention
The stability of damping can be increased while fruit.
(2), after the frequency controlled needed for calculating the present invention, the present invention can not change the premise of control frequency
Under, the setting height(from bottom) of quality loop is increased by adjusting rod length simultaneously and diameter, control vibration shape deflection is installed in bigger
Position, this influence to damping effect is clearly.This is that conventional apparatus is irrealizable.
(3), the mass ratio of quality loop is not limited within traditional 5%, can increase to 100%, big mass ratio
In terms of damping rate is increased effect significantly, meanwhile, big mass ratio can increase damping effect to the stability that differently shakes.
(4) big mass ratio and low redundancy quality, are had benefited from, the present invention has good robustness, and this is embodied in two sides
Face：The present invention can realize stable damping effect for different types of earthquake motion；When damping device control frequency and reason
By value deviation it is larger when, damping effect still can keep stable.
(5) compared with spring, metal straight rod has more stable manufacture craft, less non-linear；In addition, metal is straight
Bar can realize the continuous control to different frequency by adjusting rod length, and traditional similar damping device needs to change
The spring of different model.
(6), the present invention has suitable margin of safety to macroseism, the earthquake ground motion acceleration peak value of input 0.25g,
During 0.50g and 1.0g, damping effect kept stable of the invention.
(7), substantially, (quality 420kg, the single order natural frequency of vibration is damping effect by taking certain 110kV current transformer as an example
When the present invention for 8Hz), accounting for equipment quality 6% (25kg) can averagely reduce peak displacement and peak accelerator to without control
50%.
(8) it is, small to space requirement, small to the interference of equipment, be substantially not present problem of aging.
Brief description of the drawings
Fig. 1 is the structural representation of damping device of the present invention；
Fig. 2 is the side view of damping device of the present invention；
Fig. 3 is quality loop top view of the present invention；
Fig. 4 is support meanss front view of the present invention；
Fig. 5 is support meanss top view of the present invention；
Fig. 6 is stiffness means front view of the present invention；
(1, support meanss；2, quality device；3, stiffness means；4, nut；5, bolt)
Embodiment
With reference to specific embodiment, the present invention will be further described, but the present invention should not be limited by the examples.
Rod-type tuned mass damper damping device is installed on the lifting ring position at the top of porcelain knob type electrical equipment, to drop
The dynamic response of porcelain knob type electrical equipment under low land shock effect.
The damping device includes support meanss 1, quality device 2 and stiffness means 3；The quality device includes N grades of quality
Ring, wherein, N is positive integer；The stiffness means 3 include N group level rigidity bars, and the quality loop is fixedly installed in by rigidity bar
The top of support meanss 1.The anchor ring of N grades of quality loops is in same plane, and using concentric circle patterns layout.The sum of series of quality loop
The group level of rigidity bar is corresponded.Support meanss 1 include first level support and the second horizontal stand；First level support and
Two horizontal stand bottoms are equipped with two projections；Projection on first level support is with perpendicular to first level support radial direction
Central shaft for symmetry axis fix be welded on horizontal stand bottom surface；Projection on second horizontal stand is with perpendicular to the second level
The central shaft of support radial direction is that symmetry axis fixation is welded on horizontal stand bottom surface.Projection is provided with screw.Support meanss
Also include nut 4 and bolt 5；Nut 4 and the combination of bolt 5 are installed in projection.Rigidity bar includes first group of level straight-bar and second
Group level straight-bar；One end of first group of level straight-bar is fixedly mounted on first level support, and the other end is fixedly installed in quality loop
On；One end of second group of level straight-bar is fixedly mounted on the second horizontal stand, and the other end is fixedly mounted on quality and changed.First group
Level straight-bar includes two straight-bars, and straight-bar is each perpendicular to first level support frame, and with perpendicular to first level support radial direction
Central shaft be fixedly mounted on first level rack upper surface for symmetry axis；Second group of level straight-bar includes two straight-bars, and straight-bar is equal
It is fixedly mounted on perpendicular to the second horizontal shore, and using the central shaft perpendicular to the second horizontal stand radial direction as symmetry axis
Second horizontal stand upper surface.First group of level straight-bar and second group of level straight-bar use metal material.Quality loop accounts for equipment quality
Mass ratio be not limited to traditional less than 5%, according to damping needs, can improve to 100%, even more high.
The present apparatus can realize the control to single order or many first order modes, each quality loop and corresponding metal straight rod conduct
One TMD, controls the same or different vibration shapes；Quality loop is applied by metal straight rod to support meanss to be added with equipment level motion
The opposite power of velocity attitude, reduces the dynamic response of porcelain knob type equipment, reaches the purpose for mitigating porcelain knob type electrical equipment earthquake.Root
According to《Building aseismicity specification》GB50011 determines the seismic fortification intensity of equipment operating area, the quality of connexus gauge block and institute
The corresponding frequency values of the control vibration shape can determine material and size required for metallic rod etc..Equipment to be installed the present invention
In-situ test is carried out, the three ranks control frequency of the frequency values tuning present invention according to obtained by test.It is actual in view of engineering, when subtracting
Shake device mass ratio when within 10%, the present invention recommend the control device single order natural frequency of vibration 1.0,0.8,0.6 times；Work as damping
Device mass ratio at 50%, the present invention recommend the control device single order natural frequency of vibration 0.7,0.5,0.3 times；When damping device matter
Ratio is measured at 100%, the present invention recommendation control device single order natural frequency of vibration 0.4,0.3,0.2 times；Mass ratio when this is middle,
It can be obtained using linear interpolation method.
Rod-type tuned mass damper damping device proposed by the present invention, it is dry to equipment compared with bracing wire reinforcement means
Disturb it is small, it is small to space requirement, do not form new weak part；Compared with metal damping shock absorption method, stability more preferably, is vibrated
Platform result of the test shows that the present apparatus has more stable damping effect for the earthquake motion of different characteristic；With base isolation phase
Than the present apparatus can realize the reduction to peak accelerator and peak displacement simultaneously, and base isolation needs to sacrifice shock isolating pedestal
Damping purpose is realized in the absolute displacement of top equipment, and the applicable porcelain knob type electrical equipment type of the present apparatus is also more extensive；
Compared with multiple ring type tuned mass damper damping device, more preferably, redundancy mass ratio is substantially reduced stability of the invention, and is subtracted
Shake efficiency and higher to the margin of safety shaken greatly.
The redundancy quality of the present invention is very small, and effective mass ratio (mass ratio of quality ring quality and whole damping device) exists
More than 95%, far above the 60% of multiple ring type tuned mass damper damping device.
In addition, another innovative point of the invention is can be on the premise of control frequency is not changed, according to Space adjustment allowable
Bar length and diameter change the setting height(from bottom) of quality loop, quality loop is arranged on controls the bigger position of vibration shape deflection, and
This is that conventional apparatus is irrealizable.Theory and practice is proved, quality loop is arranged on and controls vibration shape deflection bigger
Position can dramatically increase damping effect.
For this damping device, two current transformers, two voltage transformers of certain transformer group production are have chosen
Finite element damping simulation is carried out, 8 the representational earthquake motions of comparison (El Centro, Northridge, Kobe, Loma are inputted
Prieta, Victoria Mexico, Ji Ji, Wolong, artificial earthquake motion) carry out Dynamic time history analysis.Finite element result shows,
(a) substantially, the present invention for accounting for equipment quality 6% averagely can reduce peak displacement and peak accelerator extremely to damping effect of the present invention
50% during without control；(b) present invention has good robustness, and the present invention has stable subtract for different types of earthquake motion
Shake effect；(c) present invention has enough margins of safety to macroseism, and the earthquake ground motion acceleration peak value of input is in 0.25g, 0.50g
During with 1.0g, damping effect kept stable of the invention.
At the same time, physical model is machined for the present invention, in the extensive first earthquake of China Seismological Bureau Engineering Mechanical Institute
Laboratory (Yanjiao) has carried out shaketalle test, and experimental result is coincide substantially with finite element result, demonstrates the effective of the present invention
Property.
Embodiment 1：
Damping device of the present invention is elaborated with reference to Fig. 1 to Fig. 6.
The damping device includes support meanss 1, quality device 2 and stiffness means 3；The quality device includes three-level quality
Ring；The stiffness means 3 include three groups of level rigidity bars, and the quality loop is fixedly installed in the top of support meanss 1 by rigidity bar.
The anchor ring of three-level quality loop is in same plane, and using concentric circle patterns layout.The series of one-level, two grades and three-level quality loop
Corresponded with the rigidity bar of one group of level, two groups of levels and three groups of levels.Support meanss 1 include first level support and the second level branch
Frame；First level support and the second horizontal stand bottom are equipped with two projections；On first level support it is raised with perpendicular to
The central shaft of first level support radial direction is that symmetry axis fixation is welded on horizontal stand bottom surface；On second horizontal stand
Projection is fixed by symmetry axis of the central shaft perpendicular to the second horizontal stand radial direction to be welded on horizontal stand bottom surface.It is raised
It is provided with screw.Support meanss also include nut 4 and bolt 5；Nut 4 and the combination of bolt 5 are installed in projection.Rigidity bar includes
First group of level straight-bar and second group of level straight-bar；One end of first group of level straight-bar is fixedly mounted on first level support, another
End is fixedly installed on quality loop；One end of second group of level straight-bar is fixedly mounted on the second horizontal stand, and the other end fixes peace
Changed mounted in quality.First group of level straight-bar includes two straight-bars, and straight-bar is each perpendicular to first level support frame, and with perpendicular to the
The central shaft of one horizontal stand radial direction is that symmetry axis is fixedly mounted on first level rack upper surface；Second group of level straight-bar bag
Two straight-bars are included, straight-bar is each perpendicular to the second horizontal shore, and with perpendicular to the central shaft of the second horizontal stand radial direction
The second horizontal stand upper surface is fixedly mounted on for symmetry axis.First group of level straight-bar and second group of level straight-bar use metal material
Material.The mass ratio that quality loop accounts for equipment quality is 6%.
Although the present invention is disclosed as above with preferred embodiment, it is not limited to the present invention, any to be familiar with this
The people of technology, without departing from the spirit and scope of the present invention, can do various changes and modification, therefore the protection of the present invention
What scope should be defined by claims is defined.
Claims (7)
1. rod-type tuned damper damping device, it is characterised in that the damping device includes support meanss (1), quality device
And stiffness means (3) (2)；The quality device includes N grades of quality loops, wherein, N is positive integer；The stiffness means (3) include
N group level rigidity bars, the quality loop is fixedly installed in above support meanss (1) by rigidity bar；The anchor ring of the N grades of quality loop
In same plane, and using concentric circle patterns layout；The support meanss (1) include first level support and the second level branch
Frame；The first level support and the second horizontal stand bottom are equipped with two projections；Projection on the first level support
Fix and be welded on horizontal stand bottom surface by symmetry axis of the central shaft perpendicular to first level support radial direction；Described second
Projection on horizontal stand is fixed by symmetry axis of the central shaft perpendicular to the second horizontal stand radial direction is welded in level branch
On frame bottom surface；The rigidity bar includes first group of level straight-bar and second group of level straight-bar；One end of first group of level straight-bar is consolidated
Dingan County is on first level support, and the other end is fixedly installed on quality loop；Peace is fixed in one end of second group of level straight-bar
On the second horizontal stand, the other end is fixedly mounted on quality and changed.
2. damping device according to claim 1, it is characterised in that the group level of the sum of series rigidity bar of the quality loop is one by one
Correspondence.
3. damping device according to claim 1, it is characterised in that the quality loop, first level support, the second level branch
Screw is equipped with frame and projection.
4. damping device according to claim 1, it is characterised in that the support meanss also include nut (4) and bolt
(5)；The nut (4) and bolt (5) combination are installed in projection.
5. damping device according to claim 1, it is characterised in that first group of level straight-bar includes two straight-bars, described
Straight-bar is each perpendicular to first level support frame, and is fixed using the central shaft perpendicular to first level support radial direction as symmetry axis
Installed in first level rack upper surface；Second group of level straight-bar includes two straight-bars, and the straight-bar is each perpendicular to the second water
Flat support frame, and it is fixedly mounted on the second horizontal stand using the central shaft perpendicular to the second horizontal stand radial direction as symmetry axis
Upper surface.
6. damping device according to claim 1, it is characterised in that first group of level straight-bar and second group of level straight-bar are adopted
Use metal material.
7. damping device according to claim 1, it is characterised in that the quality loop and the electrical equipment for installing the quality loop
Quality than scope be 1%-100%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511029531.4A CN105421613B (en) | 2015-12-31 | 2015-12-31 | Rod-type tuned mass damper damping device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511029531.4A CN105421613B (en) | 2015-12-31 | 2015-12-31 | Rod-type tuned mass damper damping device |
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| CN105421613B true CN105421613B (en) | 2017-08-25 |
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| CN106593057B (en) * | 2016-12-15 | 2019-03-05 | 中国机械工业集团有限公司 | A kind of building and equipment vibration control method based on level energy consumption |
| CN106683829A (en) * | 2017-01-05 | 2017-05-17 | 中国电力科学研究院 | Transformer with vibration isolation effect |
| CN108221644B (en) * | 2018-01-26 | 2019-05-10 | 魏志峰 | A kind of highway bridge shock bracket |
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| KR20090103158A (en) * | 2008-03-27 | 2009-10-01 | 복 성 김 | Steel Tube Membrane Absorbing Transverse impact |
| CN102425244A (en) * | 2011-10-19 | 2012-04-25 | 沈阳建筑大学 | Multidirectional multi-frequency tuned mass damper |
| CN202416621U (en) * | 2012-01-09 | 2012-09-05 | 苏州云白环境设备制造有限公司 | Chimney damper |
| KR20140022250A (en) * | 2012-08-13 | 2014-02-24 | 조선대학교산학협력단 | Circular steel pipe damper |
| CN103774771B (en) * | 2014-01-26 | 2016-05-18 | 智性科技南通有限公司 | A kind of rigidity and the integrated horizontal omnirange tuned mass damper of damping |
| CN204512284U (en) * | 2015-04-08 | 2015-07-29 | 中国地震局工程力学研究所 | Two-way ring type tuned mass damper damping device |
| CN204590299U (en) * | 2015-04-27 | 2015-08-26 | 中国地震局工程力学研究所 | Three-dimensional multiple ring type tuned mass damper damping device |
| CN104831621B (en) * | 2015-05-13 | 2017-02-22 | 北京工业大学 | Guide rail type anti-drawing high-damping rubber shock insulation support |
| CN205296457U (en) * | 2015-12-31 | 2016-06-08 | 中国地震局工程力学研究所 | Harmonious mass damper damping device of rod -type |
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