CN108506413A - A kind of quasi- zero stiffness earthquake isolating equipment - Google Patents
A kind of quasi- zero stiffness earthquake isolating equipment Download PDFInfo
- Publication number
- CN108506413A CN108506413A CN201810338847.9A CN201810338847A CN108506413A CN 108506413 A CN108506413 A CN 108506413A CN 201810338847 A CN201810338847 A CN 201810338847A CN 108506413 A CN108506413 A CN 108506413A
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- jackshaft
- cross frame
- disc spring
- quasi
- cross
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- 230000035939 shock Effects 0.000 claims abstract description 38
- 238000009413 insulation Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001515806 Stictis Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Quasi- zero stiffness earthquake isolating equipment includes disc spring shock insulation mechanism and cross shock insulation mechanism, disc spring shock insulation mechanism includes mounting assembly, intermediate shaft assembly and fluting disc spring, mounting assembly includes the cylindric bearing outer ring of upper and lower opening, intermediate shaft assembly includes the jackshaft being concentrically disposed in bearing outer ring, at least one fluting disc spring is set on jackshaft, on the radially inner side insertion jackshaft for disc spring of slotting, radial outside is embedded on bearing outer ring；Cross shock insulation mechanism includes horizontal and between the upper and lower every upper cross frame, the lower cross frame being correspondingly arranged, in the through-hole for being provided centrally with axis vertical of upper cross frame, the cross end connection corresponding with upper cross frame, lower cross frame respectively of the both ends of four arc spring planks, jackshaft is pierced by the upper surface of upper cross frame upwards out of upper cross frame through-hole, also, the top of bearing outer ring is connected to the lower section of cross connecting bracket.Through the above structure so that the device has vertical and horizontal direction dual isolating affection.
Description
Technical field
The present invention relates to technical field of isolation, specifically, being related to a kind of quasi- zero stiffness earthquake isolating equipment.
Background technology
Naval vessel working environment is complicated, there is a large amount of on-board equipments thereon.On the one hand, equipment work when itself generate vibration and
Noise can influence the working environment of the quietness and instrument, instrument in cabin.Especially for naval vessels, influence whether that its is of vital importance
Concealment；On the other hand, when being impacted caused by resisting external attack, the shock resistance of equipment and resistance to capsizing directly determine
Resist the ability of external attack in naval vessel.Therefore, the vibration control on naval vessel is most important.Mainly have for vibration control actively
Shock insulation, partly actively and passively three kinds of modes of shock insulation, the factors such as complexity and cost are at present passive using being at most mode
Shock insulation.According to Theory of Vibration, it is system frequency that passive shock insulation, which originates effective shock insulation frequency,Times, system frequency
Its lower shock insulation range is bigger, and effect is better.But it for traditional structure, reduces intrinsic frequency and means that reduction system is quiet just
Degree or increase mass of system, to cause static system displacement to increase.To overcome the above disadvantages, ideal shock isolation system is answered
This has higher static rigidity and lower dynamic rate (relatively low dynamic has just meaned relatively low system frequency) simultaneously,
It bears to ensure that system frequency is relatively low while higher load, the shock insulation frequency range bigger of system, isolating affection is more preferable.
Invention content
In order to solve the above technical problems, the present invention provides a kind of quasi- zero stiffness earthquake isolating equipment, including disc spring shock insulation mechanism and
Cross shock insulation mechanism, disc spring shock insulation mechanism include mounting assembly, intermediate shaft assembly and fluting disc spring, and mounting assembly includes upper
The cylindric bearing outer ring of under shed, intermediate shaft assembly includes the jackshaft being concentrically disposed in bearing outer ring, at least one
A fluting disc spring is set on jackshaft, also, on the radially inner side insertion jackshaft of the fluting disc spring, radial outside insertion
On bearing outer ring；Cross shock insulation mechanism includes horizontal and between the upper and lower every upper cross frame, the lower cross-shaped being correspondingly arranged
Frame, also, in the through-hole for being provided centrally with axis vertical of upper cross frame, the both ends of four arc spring planks respectively with upper cross
The corresponding cross end connection of holder, lower cross frame, jackshaft are pierced by upper cross-shaped upwards out of upper cross frame through-hole
The upper surface of frame, also, the top of bearing outer ring is connected to the lower section of cross connecting bracket.
Preferably, mounting assembly further includes bearing shading ring and bearing pressure ring, the bottom end of the bearing outer ring radially to
Interior shoulder is extended in inside, and bearing shading ring and bearing pressure ring are coaxially sleeved in bearing outer ring from the bottom to top successively, also,
The first holding tank is formed between the low side of bearing shading ring and the upper end of the interior shoulder, in the top of bearing shading ring and bearing
The second holding tank is formed between the low side of pressure ring, intermediate shaft assembly further includes jackshaft upper press cover and jackshaft lower cover, centre
The 4th holding tank is formed between axis and jackshaft upper press cover, is formed third holding tank between jackshaft and jackshaft lower cover, is opened
Slot disc spring is two, and the radially inner side of a fluting disc spring is arranged in third holding tank, and radial outside is then arranged first
In holding tank, the radially inner side of another fluting disc spring is arranged in the 4th holding tank, and radial outside is then arranged to be held second
It receives in slot.
Preferably, it is at least one fluting disc spring slotted section height H and thickness t ratio 1.39~1.41 it
Between.
Preferably, the groove of at least one fluting disc spring radially gradually increases from inside to outside.
Preferably, also it is arranged at intervals at least one arc spring plank in the outside of each arc spring plank.
Preferably, the lower face of upper cross frame and lower cross frame are connected at the both ends of the arc spring plank of inside
Upper surface on, the both ends of arc spring plank on the outside are connected under the upper surface and lower cross frame of cross frame
On end face.
Preferably, the both ends of each arc spring plank are connected to upper cross frame under by bolt and spring plank tabletting respectively
On the corresponding cross end of cross frame.
Preferably, the jackshaft upper press cover is the form that upper diameter is less than lower diameter so that upper part is from described
Through-hole is pierced by the upper surface of cross frame, and its underpart is then blocked in the lower section of cross frame.
Preferably, the jackshaft, jackshaft upper press cover and jackshaft lower cover have the axial hole being sequentially communicated.
The present invention using fluting disc spring be connected in series with the cross frame for being equipped with arc spring plank, the present invention with
Lower advantageous effect：
1, the present invention has vertical and water using the disc spring shock insulation mechanism and cross shock insulation mechanisms in series of fluting disc spring composition
Square to dual isolating affection.
2, the present invention use fluting disc spring as its core isolation component, the disc spring shock insulation mechanism that be made of fluting disc spring and
Overall structure rigidity further decreases after cross shock insulation mechanisms in series, the frequency of device 4Hz once, can more effectively reduce warship
Carry the nuisance vibration of equipment.
3, the present invention uses the disc spring shock insulation mechanism and cross shock insulation mechanisms in series of fluting disc spring composition, disc spring shock insulation mechanism
So that quasi- zero stiffness earthquake isolating equipment rigidity in low amplitude vibrations is very low, there is good isolating affection；Cross shock insulation mechanism can be set
It is larger to count rigidity, ensures that overall structure has good impact resistance.
Description of the drawings
By the way that embodiment is described in conjunction with following accompanying drawings, features described above of the invention and technological merit will become
More understands and be readily appreciated that.
Fig. 1 is the sectional view for the quasi- zero stiffness earthquake isolating equipment for indicating the embodiment of the present invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the floor map for the fluting disc spring for indicating the embodiment of the present invention；
Fig. 4 is the sectional view along A-A of Fig. 3；
Fig. 5 is the nondimensional displacement-load of the fluting disc spring for the quasi- zero stiffness earthquake isolating equipment for indicating the embodiment of the present invention
Characteristic；
Fig. 6 is nondimensional displacement-rigidity of the fluting disc spring for the quasi- zero stiffness earthquake isolating equipment for indicating the embodiment of the present invention
Characteristic.
Wherein, cross connecting bracket, 2 arc-shaped leaf springs, 4 times cross connecting brackets, 5 bearing outer rings, 6 fluting disc springs, 7 on 1
Bearing shading ring, 8 jackshafts, 9 jackshaft upper press covers, 10 jackshaft lower covers, 11 intermediate axis connection bolts, 12 bearing pressure rings,
13 bolts, 14 spring plank tablettings, 15 nuts.
Specific implementation mode
The embodiment of quasi- zero stiffness earthquake isolating equipment of the present invention described below with reference to the accompanying drawings.This field it is common
Technical staff will recognize, without departing from the spirit and scope of the present invention, can with a variety of different modes or
A combination thereof is modified described embodiment.Therefore, attached drawing and description are regarded as illustrative in nature, rather than for limiting
Scope of the claims processed.In addition, in the present specification, attached drawing is drawn not in scale, and identical reference numeral table
Show identical part.
Term is explained：
Butterfly spring：The washer type bullet in axial tapered section made of metal blank or forging and stamping blank forging and stamping
Spring.
Fluting butterfly spring (hereinafter referred fluting disc spring)：Butterfly spring of slotting is outputed by interior on common butterfly spring
Made of outwardly radial groove.With the common butterfly spring ratio of respective diameters, it can generate larger under smaller load
Deformation, therefore, it combines some advantages of both butterfly spring and cantilever leaf spring.
Rigidity：The ability of structure resistance to deformation in stress.Calculation formula is K=P/ δ, and wherein P represents load, and δ is represented
Deflection；For the system that rigidity changes with deflection, rigidity expression formula is rewritten as K=Δ P/ Δ δ, wherein Δ P and represents load
Variable quantity, Δ δ represent variable quantity.
Quasi- zero stiffness：Structure of the system stiffness close to zero.According to stiffness changing structure rigidity defined formula K=Δ P/ Δ δ, when
When displacement structure amount Δ δ changes, if load change amount Δ P is very small, close to zero, the system at this time rigidity close to zero,
Referred to as quasi- zero stiffness system.
Spring stiffness at the end：Equivalent stiffness is K1*k2/ (K1+K2) when two rigidity are K1 and the spring of K2 is connected, equivalent
The rigidity spring rate more minimum than wherein is small.
Quasi- zero stiffness earthquake isolating equipment includes concatenated disc spring shock insulation mechanism and cross shock insulation mechanism, as shown in Figure 1, disc spring every
Shake mechanism includes mounting assembly, intermediate shaft assembly and at least a piece of fluting disc spring 6.It is hereinafter in parallel next with two panels fluting disc spring 6
Description.
Wherein, mounting assembly includes bearing outer ring 5, bearing shading ring 7 and bearing pressure ring 12, and bearing outer ring 5 is to open up and down
The cylinder of mouth, also, interior shoulder 51 is extended in side radially inward for the bottom end of the bearing outer ring 5.Bearing shading ring 7 and branch
Seat pressure ring 12 is coaxially sleeved in bearing outer ring 5 from the bottom to top successively, also, in the low side of bearing shading ring 7 and interior described
The first holding tank 61 is formed between the upper end of shoulder 51, is formed between the top of bearing shading ring 7 and the low side of bearing pressure ring 12
Second holding tank 62.Wherein, bearing shading ring 7 and bearing pressure ring 12 and bearing outer ring 5 can be split type, can also be
Integral type.It is processed into the split type installation convenient for fluting disc spring 6.
Intermediate shaft assembly includes jackshaft 8, jackshaft upper press cover 9 and jackshaft lower cover 10, and jackshaft 8 is concentrically disposed with
In bearing outer ring 5, jackshaft upper press cover 9 is coaxially covered from upper end to be pressed on jackshaft 8.
Similarly, jackshaft lower cover 10 is coaxially covered from lower end and is pressed on jackshaft 8, and passes through intermediate axis connection bolt
11 are fixed on jackshaft 8.Also, the 4th holding tank 64 is circumferentially formed thereon between jackshaft 8 and jackshaft upper press cover 9,
Third holding tank 63 is circumferentially formed thereon between jackshaft 8 and jackshaft lower cover 10.Be not precluded herein jackshaft 8, in
Countershaft upper press cover 9 and jackshaft lower cover 10 are integral type.
As shown in Fig. 2, being arranged on intermediate shaft assembly there are two disc spring 6 of slotting, the diameter of one of fluting disc spring is inside
Side is arranged in third holding tank 63, and radial outside is then arranged in the first holding tank 61.Similarly, another fluting disc spring
6 radially inner side is arranged in the 4th holding tank 64, and radial outside is then arranged in the first holding tank 62.Disc spring 6 of slotting
Floor map is as shown in Figure 3.
Through the above structure, two panels fluting disc spring is connected in parallel, and on the one hand structural-load-carrying capacity is made to double, on the other hand made
Structure has certain resistance to capsizing.
Cross shock insulation mechanism includes connecting bracket (upper cross frame 1 and lower cross frame 4) and four pairs of arc spring planks.
Wherein, upper cross frame 1 and lower cross frame 4 are all the form of right-angled intersection, upper cross frame 1 and lower cross-shaped
Frame 4 is between the upper and lower every setting, also, in the through-hole 91 for being provided centrally with axis vertical of upper cross frame 1.In upper cross frame 1
There are one the arc spring planks 2 being bent for setting between the corresponding cross end of lower cross frame 4, and it is with along cross end
What direction was bent outwardly.Specifically, one end of arc spring plank 2 is connect with a cross end of upper cross frame 1, arc
The cross end connection corresponding with lower cross frame 4 of the other end of spring plank 2.And the centre of arc spring plank 2 (is only among signified
Refer to the part between both ends, do not imply that the centre position of stricti jurise) then along cross end, direction is bent outwardly.
Jackshaft upper press cover 9 is the form that upper diameter is less than lower diameter, so that upper part is from upper cross frame 1
Through-hole 91 in be pierced by the upper surface of cross frame 1 upwards, and its underpart is then stopped by the lower face of upper cross frame 1.
Also, 5 top of bearing outer ring is linked together with upper cross connecting bracket 1 by bolt 13 and nut 15, so as to connect
Complete shock insulation work.Also low minimum than rigidity in two shock insulation parts of the rigidity of whole device.
Illustratively its operation principle below：Lower cross frame 4 is bolted with foundation, is led to by shock insulation object
Connection bolt is crossed to connect with 9 upper end of jackshaft upper press cover.Load is transmitted to two panels parallel connection fluting disc spring 6 by intermediate shaft portion,
Then bearing outer ring 5 is passed to by the first holding tank 61 and the second holding tank 62, then upper connection branch is transmitted to by bearing outer ring 5
Frame 1 is transmitted to lower cross connecting bracket via four pairs of arc spring planks, then is transmitted to basis.
Wherein, as shown in Figures 4 to 6, the ratio of the slotted section height H and thickness t when fluting 6 uncompressed state of disc spring
When close to 1.4, increases its vertical direction load-displacement relation curve as vertical direction loads and just will appear horizontal (or connect
It is close horizontal) section.In the horizontal segment limit, disc spring is compressed downwardly, but payload is basically unchanged, and device rigidity is close
Zero, i.e., so-called quasi- zero stiffness characteristic.Nondimensional displacement-stiffness relation the characteristic curve for disc spring of slotting is as shown in Figure 6.Two bullets
The structure global stiffness rigidity more minimum than in the two is also small when spring is connected.Use disc spring shock insulation mechanism and cross shock insulation mechanisms in series one
Work is played, structure global stiffness is close to standard zero when device steady-state operation；When by impact loading, due to the row for disc spring of slotting
Journey is generally less than 5mm, and fluting disc spring is compressed to extreme position (fluting disc spring carrying reaches capacity), by cross shock insulation mechanism list
Solely resist remaining vertical impact and lateral tipping load.
In one alternate embodiment, the ratio of the height H and thickness t of slotted section when fluting disc spring uncompressed state
Between 1.39~1.41.
In one alternate embodiment, the radial groove for disc spring of slotting radially becomes larger from inside to outside.
In one alternate embodiment, the arc of at least one bending is provided in the outside spacers of each arc spring plank 2
Shape spring plank.And the arc spring plank in outside is bigger than the radian of the arc spring plank 2 of inside.
In one alternate embodiment, the both ends of the arc spring plank of inside are connected to the lower face of cross frame 1
On the upper surface of lower cross frame 4, the both ends of the arc spring plank in outside are connected to the upper surface of cross frame 1 under
On the lower face of cross frame 4.
In one alternate embodiment, the both ends of arc spring plank pass through bolt 13 and spring plank tabletting 14, nut 15 respectively
It is connected on the corresponding cross end of cross frame 1 and lower cross frame 4.
In one alternate embodiment, the jackshaft 8, jackshaft upper press cover 9 and jackshaft lower cover 10 have axial
The hole being sequentially communicated.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of quasi- zero stiffness earthquake isolating equipment, which is characterized in that including disc spring shock insulation mechanism and cross shock insulation mechanism,
Disc spring shock insulation mechanism include mounting assembly, intermediate shaft assembly and fluting disc spring,
Mounting assembly includes the cylindric bearing outer ring of upper and lower opening, and intermediate shaft assembly includes being concentrically disposed at bearing outer ring
Interior jackshaft, at least one fluting disc spring are set on jackshaft, also, the radially inner side insertion of the fluting disc spring is intermediate
On axis, radial outside is embedded on bearing outer ring；
Cross shock insulation mechanism includes horizontal and between the upper and lower every upper cross frame, the lower cross frame being correspondingly arranged,
Also, in the through-hole for being provided centrally with axis vertical of upper cross frame, the both ends of four arc spring planks are respectively with upper ten
The corresponding cross end connection of word holder, lower cross frame,
Jackshaft is pierced by the upper surface of upper cross frame, also, the top of bearing outer ring upwards out of upper cross frame through-hole
It is connected to the lower section of cross connecting bracket.
2. quasi- zero stiffness earthquake isolating equipment according to claim 1, which is characterized in that
Mounting assembly further includes bearing shading ring and bearing pressure ring, and the bottom end of the bearing outer ring is in side is extended radially inward
Shoulder, bearing shading ring and bearing pressure ring are coaxially sleeved in bearing outer ring from the bottom to top successively, also, in bearing shading ring
Form the first holding tank between low side and the upper end of the interior shoulder, the low side of the top of bearing shading ring and bearing pressure ring it
Between form the second holding tank,
Intermediate shaft assembly further includes jackshaft upper press cover and jackshaft lower cover, and is formed between jackshaft and jackshaft upper press cover
Four holding tanks form third holding tank between jackshaft and jackshaft lower cover, fluting disc spring is two,
The radially inner side of one fluting disc spring is arranged in third holding tank, and radial outside is then arranged in the first holding tank,
The radially inner side of another fluting disc spring is arranged in the 4th holding tank, and radial outside is then arranged in the second holding tank.
3. quasi- zero stiffness earthquake isolating equipment according to claim 1, which is characterized in that the fluting portion of at least one fluting disc spring
The ratio of the height H and thickness t that divide are between 1.39~1.41.
4. quasi- zero stiffness earthquake isolating equipment according to claim 1, which is characterized in that the groove edge of at least one fluting disc spring
It is radial gradually to increase from inside to outside.
5. quasi- zero stiffness earthquake isolating equipment according to claim 1, which is characterized in that the outside of each arc spring plank also between
Every being provided at least one arc spring plank.
6. quasi- zero stiffness earthquake isolating equipment according to claim 5, which is characterized in that at the both ends point of the arc spring plank of inside
It is not connected on the lower face of cross frame and the upper surface of lower cross frame, the both ends of arc spring plank on the outside connect respectively
It is connected on the upper surface of cross frame and the lower face of lower cross frame.
7. quasi- zero stiffness earthquake isolating equipment according to claim 6, which is characterized in that
The both ends of each arc spring plank are connected to upper cross frame and lower cross frame by bolt and spring plank tabletting respectively
On corresponding cross end.
8. quasi- zero stiffness earthquake isolating equipment according to claim 2, which is characterized in that
The jackshaft upper press cover is the form that upper diameter is less than lower diameter so that upper part is pierced by upper ten from the through-hole
The upper surface of word holder, and its underpart is then blocked in the lower section of cross frame.
9. quasi- zero stiffness earthquake isolating equipment according to claim 2, which is characterized in that
The jackshaft, jackshaft upper press cover and jackshaft lower cover have the axial hole being sequentially communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338847.9A CN108506413A (en) | 2018-04-16 | 2018-04-16 | A kind of quasi- zero stiffness earthquake isolating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338847.9A CN108506413A (en) | 2018-04-16 | 2018-04-16 | A kind of quasi- zero stiffness earthquake isolating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506413A true CN108506413A (en) | 2018-09-07 |
Family
ID=63381969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810338847.9A Pending CN108506413A (en) | 2018-04-16 | 2018-04-16 | A kind of quasi- zero stiffness earthquake isolating equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108506413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980246A (en) * | 2018-09-10 | 2018-12-11 | 东北大学 | A kind of vibration isolator based on quasi- zero stiffness |
| CN114135631A (en) * | 2021-12-10 | 2022-03-04 | 武汉理工大学 | Quasi-zero stiffness vibration isolator capable of adjusting negative stiffness in non-contact mode |
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| US20090200132A1 (en) * | 2008-01-25 | 2009-08-13 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Friction clutch |
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| CN103615488A (en) * | 2013-11-29 | 2014-03-05 | 哈尔滨工程大学 | Spring steel disc type dynamic vibration absorber with adjustable rigidity |
| CN205591380U (en) * | 2016-05-10 | 2016-09-21 | 广州大学 | Three -dimensional shock isolation device of antidumping |
| CN106049686A (en) * | 2016-07-28 | 2016-10-26 | 同济大学 | Three-dimensional shock insulation support with quasi-zero stiffness characteristic |
| CN106286670A (en) * | 2016-10-19 | 2017-01-04 | 无锡市宏源弹性器材有限公司 | Steel spring plate vibration isolator |
| CN208364672U (en) * | 2018-04-16 | 2019-01-11 | 沈阳远大装备科技有限公司 | A kind of quasi- zero stiffness earthquake isolating equipment |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090200132A1 (en) * | 2008-01-25 | 2009-08-13 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Friction clutch |
| CN201954118U (en) * | 2011-01-14 | 2011-08-31 | 江苏慧通成套管道设备有限公司 | Low-height low-rigidity spring support |
| CN103615488A (en) * | 2013-11-29 | 2014-03-05 | 哈尔滨工程大学 | Spring steel disc type dynamic vibration absorber with adjustable rigidity |
| CN205591380U (en) * | 2016-05-10 | 2016-09-21 | 广州大学 | Three -dimensional shock isolation device of antidumping |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980246A (en) * | 2018-09-10 | 2018-12-11 | 东北大学 | A kind of vibration isolator based on quasi- zero stiffness |
| CN114135631A (en) * | 2021-12-10 | 2022-03-04 | 武汉理工大学 | Quasi-zero stiffness vibration isolator capable of adjusting negative stiffness in non-contact mode |
| CN114135631B (en) * | 2021-12-10 | 2023-10-20 | 武汉理工大学 | Quasi-zero stiffness vibration isolator capable of adjusting negative stiffness in non-contact manner |
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