CN206054618U - The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness - Google Patents
The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness Download PDFInfo
- Publication number
- CN206054618U CN206054618U CN201620730321.1U CN201620730321U CN206054618U CN 206054618 U CN206054618 U CN 206054618U CN 201620730321 U CN201620730321 U CN 201620730321U CN 206054618 U CN206054618 U CN 206054618U
- Authority
- CN
- China
- Prior art keywords
- vibroshock
- hanger bracket
- vibration
- positive negative
- platform
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness, including moving platform, suspension assembly, vibroshock and adjusting part, vibroshock is connected with moving platform, and adjusting part is connected with suspension assembly and vibroshock, and for adjusting the initial position of vibroshock.The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness of the present utility model, rigidity easy can be adjusted, it is adaptable to wide frequency domain vibration isolation, with good engineering adaptability；While with higher support stiffness, also with very low motion rigidity, static deformation amount is little, and dynamic natural frequency is low, and vibration isolating effect is good；By rigidity, the flexible of damping, it is possible to resolve the intrinsic contradictions of the traditional vibrating isolation system of restriction, the i.e. contradiction of low-frequency vibration transport and dither attenuation rate.
Description
Technical field
This utility model belongs to absorber technical field, and specifically, it is adjustable that this utility model is related to a kind of positive negative stiffness
Quasi- zero stiffness vibration-isolating platform.
Background technology
High precision machine tool and precision instrument and equipment, high-grade research laboratory's equipment, missile transporter vehicle etc. are flat to vibration isolation
Platform proposes higher performance requirement, in Structural Engineering and mechanical engineering field, all more projects seeking a kind of performance always
Vibration-isolating platform.
Utility model content
The one kind that this utility model provides has both higher static rigidity and relatively low dynamic rate, and it is adjustable to be capable of achieving quasi- zero stiffness
Wide frequency domain vibration isolation quasi- zero stiffness vibration-isolating platform.
To achieve these goals, the technical scheme that this utility model is taken is：The positive adjustable quasi- zero stiffness of negative stiffness every
Shake platform, including：
Moving platform；
Suspension assembly；
Vibroshock, which is connected with moving platform；And
Adjusting part, which is connected with suspension assembly and vibroshock, and for adjusting the initial position of vibroshock.
The adjusting part is included with the suspension assembly to be the first adjusting rod for being threadedly coupled and with the first adjusting rod is
The second adjusting rod of linear reciprocating motion is threadedly coupled and can do with respect to suspension assembly, the second adjusting rod is to turn with the vibroshock
Dynamic connection.
It is two sections for being threadedly coupled respectively with the suspension assembly and second adjusting rod that first adjusting rod has
External screw thread, two sections externally threaded oppositely oriented.
The suspension assembly includes the first hanger bracket for being oppositely arranged and being connected and the second hanger bracket, the first hanger bracket and
The adjusting part is equipped with second hanger bracket, set adjusting part is by described on the first hanger bracket and the second hanger bracket
Vibroshock is connected with the moving platform.
The vibroshock is circumferentially distributed multiple in the inner side of the suspension assembly, and in two adjacent vibroshocks,
One of vibroshock is connected with the adjusting part arranged on first hanger bracket, another vibroshock and described second
The adjusting part connection arranged on hanger bracket.
Vibroshock line centered on the axis of the moving platform is evenly distributed around moving platform.
First hanger bracket has the first pillar, and second hanger bracket is with second alignd with the first shore position
Pillar, the first pillar and the second pillar are connected by middle connector.
First pillar and second pillar with the middle connector be threadedly coupled, with allowing the in middle connector
The screwed hole that one pillar and the second pillar are screwed in.
First hanger bracket and second hanger bracket are hexagonal structure.
The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness of the present utility model, has the advantage that：
1st, the vibration-isolating platform not only solves conventional linear vibrating isolation system isolation low frequency or difficult problem during superlow frequency vibrating, keeps away
Exempt from using actively high with semi- active control vibration isolator structure complexity, manufacturing cost highly energy-consuming shortcoming；
2nd, the vibration-isolating platform is in certain deformation range, using three shock-absorbing springs of upper end as positive stiffness elements and lower end
Three be only used as negative stiffness shock-absorbing spring element in parallel, be capable of achieving the vibration-isolating platform near its equilbrium position it is non-linear just
Degree；
3rd, the vibration-isolating platform can adjust the initial position of vibroshock by adjusting part, realize wide frequency domain vibration isolation, can
It is widely used in the precision instrument strict to vibration isolation requirement and equipment, with good engineering practicability.
4th, while the vibration-isolating platform has higher support stiffness, also with very low motion rigidity, static deformation amount
It is little, the low vibration isolating effect of dynamic natural frequency.
Description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is the structural representation of this utility model vibration-isolating platform；
Fig. 2 is the structural representation of the first hanger bracket；
Fig. 3 is the structural representation of the second hanger bracket；
Fig. 4 is the structural representation of suspension assembly；
Fig. 5 is the structural representation of vibrating isolation system；
Fig. 6 is the structural representation of moving platform；
Fig. 7 is the sectional view of adjusting part；
It is labeled as in figure：
1st, middle connector；2nd, vibroshock；21st, pin-and-hole；22nd, shock-absorbing spring；3rd, moving platform；31st, loading plate；32nd, pedestal；
33rd, hinge；34th, pin-and-hole；35th, bolt；4th, the first hanger bracket；41st, the first pillar；42nd, studs；43rd, V-arrangement connector；44、
Guide holder；5th, the second hanger bracket；51st, the second pillar；52nd, studs；53rd, V-arrangement connector；54th, guide holder；6th, regulation group
Part；61st, the first adjusting rod；62nd, the second adjusting rod；63rd, hinge；7th, bearing pin；
Specific embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made further in detail
Thin explanation, it is therefore an objective to help those skilled in the art design of the present utility model, technical scheme are had it is more complete, accurately and
Deep understanding, and contribute to its enforcement.
As shown in Figures 1 to 7, this utility model provides a kind of adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness, bag
Moving platform 3, suspension assembly, vibroshock and adjusting part 6 are included, vibroshock is connected with moving platform 3, and adjusting part 6 is and suspension
Component and vibroshock connection, and for adjusting the initial position of vibroshock.Positive negative stiffness of the present utility model is adjustable accurate zero firm
Degree vibration-isolating platform, arranges certain structural parameters, is capable of achieving the vibration-isolating platform and is capable of achieving quasi- zero stiffness and balance in equilbrium position
Non-linear rigidity near position, can solve difficult problem when conventional linear vibrating isolation system isolation low frequency or superlow frequency vibrating；Rigidity
Easy can adjust, it is adaptable to wide frequency domain vibration isolation, with good engineering adaptability；While with higher support stiffness, also
With very low motion rigidity, static deformation amount is little, and dynamic natural frequency is low, and vibration isolating effect is good；By rigidity, damping it is flexible
Adjust, it is possible to resolve the intrinsic contradictions of the traditional vibrating isolation system of restriction, the i.e. contradiction of low-frequency vibration transport and dither attenuation rate.
The utility model proposes the vibration-isolating platform of the positive and negative Stiffness of employing be a kind of new vibration damping and vibration isolation platform, with good Jing
Ji property and practicality, can promote every field.
Specifically, as shown in figure 1, one end of vibroshock and moving platform 3 are rotated be connected, 6 turns of the other end and adjusting part
Dynamic connection, vibroshock two ends rotate junction point axis is parallel and axis perpendicular with moving platform 3.The centrage of vibroshock
The axis perpendicular of junction point is rotated with vibroshock two ends, adjusting part 6 is the centrage and horizontal plane for adjusting vibroshock
Between initial angle, that is, change vibroshock initial position, so as to change the initial pre- of the shock-absorbing spring having on vibroshock
Clamp force.
As shown in Figure 1 and Figure 4, suspension assembly includes the first hanger bracket 4 for being oppositely arranged and being connected and the second hanger bracket
5, adjusting part 6 is equipped with the first hanger bracket 4 and the second hanger bracket 5, set by the first hanger bracket 4 and the second hanger bracket 5
Adjusting part 6 is connected with moving platform 3 by vibroshock.First hanger bracket 4 is connected to form a kind of framework knot with the second hanger bracket 5
The suspension assembly of structure, inner chamber are used to accommodate vibroshock and moving platform 3.First hanger bracket 4 and the second hanger bracket 5 are by positioned at both
Between middle connector 1 realize connection, form integrative-structure, used as preferred, middle connector 1 is in vibroshock and moving platform 3
Outside is circumferentially arranged multiple, improves 5 connection reliability of the first hanger bracket 4 and the second hanger bracket.
As shown in Figure 1 and Figure 7, as preferred, adjusting part 6 includes that with suspension assembly be the first regulation for being threadedly coupled
Bar 61 and with the first adjusting rod 61 for threaded connection and can relative suspension assembly make the second adjusting rod 62 of linear reciprocating motion, the
One adjusting rod 61 makes the second adjusting rod 62 do the driving force of linear reciprocating motion along its length for producing, and suspension assembly is simultaneously
Guide effect is played to the second adjusting rod 62, it is ensured that the second adjusting rod 62 moves along a straight line.Vibroshock one end hanger and moving platform 3
Connection is rotated, the hanger of the other end is rotated with the end of the second adjusting rod 62 and is connected, and vibroshock two ends rotate the axis of junction point
It is parallel and perpendicular with the direction of motion of the second adjusting rod 62.When needing to adjust the initial position of vibroshock, by rotation
First adjusting rod 61, makes the second adjusting rod 62 move along a straight line, and the second adjusting rod 62 can compress or stretch vibroshock, and second adjusts
Angle between the centrage of the length direction and vibroshock of pole 62 is adjusted, such that it is able to change the initial of shock-absorbing spring
Pretightning force.
As shown in Figure 1 and Figure 7, the outer surface of the first adjusting rod 61 have with suspension assembly and the second adjusting rod 62 be respectively
Two sections of external screw threads of threaded connection, this two sections externally threaded oppositely oriented, is accordingly provided with the inside of the second adjusting rod 62 and allows the
The internal thread hole of the insertion of one adjusting rod 61.Vibroshock is located between adjusting part 6 and moving platform 3, adjusts vibration damping in adjusting part 6
When device is stretched, the first adjusting rod 61 and the second adjusting rod 62 are the direction motion for being directed away from moving platform 3；Adjust in adjusting part 6
When vibration-damper compresses, the first adjusting rod 61 and the second adjusting rod 62 are towards the direction motion for being close to moving platform 3.
As preferred, as shown in figure 1, vibroshock be uniformly distributed circumferentially on the inside of suspension assembly it is multiple, and in phase
In two adjacent vibroshocks, 62 turns of second adjusting rod of the adjusting part 6 arranged on one of vibroshock and the first hanger bracket 4
Dynamic connection, another vibroshock are rotated with second adjusting rod 62 of the adjusting part 6 arranged on the second hanger bracket 5 and are connected, that is, subtract
Shake device quantity it is equal with the quantity of adjusting part 6, each vibroshock is connected with an adjusting part 6 respectively, and the first hanger bracket 4
With the adjusting part 6 that equivalent amount is arranged on the second hanger bracket 5, the adjusting part 6 on the first hanger bracket 4 and the second hanger bracket 5
And to be staggeredly arranged.In state shown in Fig. 1, vibroshock line centered on the axis of moving platform 3 is in uniform around moving platform 3
Distribution, the adjusting part 6 on the first hanger bracket 4 and the second hanger bracket 5 be also centered on the axis of moving platform 3 line in moving platform
It is evenly distributed around 3.In the present embodiment, as shown in figure 1, vibroshock arranges six altogether, the first hanger bracket 4 and second hangs
Three adjusting parts 6 are respectively provided with frame 5.
As shown in Figure 4 and Figure 5, one end of vibroshock passes through 63 turns of hinge set by the end of bearing pin and the second adjusting rod 62
Dynamic connection, the other end are rotated with hinge 33 set on moving platform 3 by bearing pin and are connected.Moving platform 3 includes loading plate 31 and consolidates
Surely the pedestal 32 being arranged at 31 bottom center of loading plate, pedestal 32 are located at the center of all vibroshocks, and hinge 33 is in pedestal
Circumferentially it is evenly arranged multiple on 32, each hinge 33 is connected with a vibroshock respectively.
As shown in Figure 1 and Figure 4, the first hanger bracket 4 and the second hanger bracket 5 be by multiple studs, V-arrangement connector and
The guide holder of arrowhead form is formed by connecting and for inner hollow, circumferentially closed hexagonal structure.
Specifically, as shown in Fig. 2 the studs 42 of the first hanger bracket 4 be located at guide holder 44 and V-arrangement connector 43 it
Between, studs 42 is and is threadedly coupled with guide holder 44 and V-arrangement connector 43, and the two ends outer surface of studs 42 has respectively
There is one section of external screw thread, and the two ends of studs 42 are externally threaded oppositely oriented, accordingly in guide holder 44 and V-arrangement connector 43
It is provided with the internal thread hole for allowing the thread head of studs 42 to screw in.The angle of V-arrangement connector 43 is preferably 120 degree, V-arrangement connection
The two ends of part 43 have an internal thread hole respectively, and the angle between the axis of two internal thread holes is 120 degree, and two interior spiral shells
The thread rotary orientation of pit is conversely, be respectively used to be connected with a studs 42.The guide holder 44 of arrowhead form is held with three
Portion, wherein two relative ends have an internal thread hole respectively, the angle between the axis of the two internal thread holes is also
120 degree, and the thread rotary orientation of two internal thread holes is conversely, be respectively used to be connected with a studs 42.In the present embodiment,
The guide holder 44 of the first hanger bracket 4, studs 42 and V-arrangement connector 43 are respectively provided with three, each 42 one end of studs with
Guide holder 44 is threadedly coupled, and the other end is threadedly coupled with V-arrangement connector 43, forms orthohexagonal first hanger bracket 4.
As shown in figure 3, the structure of the second hanger bracket 5 is substantially similar with the structure of the first hanger bracket 4, the second hanger bracket 5
Studs 52 is located between guide holder 54 and V-arrangement connector 53, and the structure of guide holder 54 is identical with the structure of guide holder 44, double
The structure of header stud 52 is identical with the structure of studs 42, the structure of V-arrangement connector 53 and the structure phase of V-arrangement connector 43
Together.Studs 52 is and is threadedly coupled with guide holder 54 and V-arrangement connector 53, and the two ends outer surface of studs 52 has respectively
There is one section of external screw thread, and the two ends of studs 52 are externally threaded oppositely oriented, accordingly in guide holder 54 and V-arrangement connector 53
It is provided with the internal thread hole for allowing the thread head of studs 52 to screw in.The angle of V-arrangement connector 53 is preferably 120 degree, V-arrangement connection
The two ends of part 53 have an internal thread hole respectively, and the angle between the axis of two internal thread holes is 120 degree, and two interior spiral shells
The thread rotary orientation of pit is conversely, be respectively used to be connected with a studs 52.The guide holder 54 of arrowhead form is held with three
Portion, wherein two relative ends have an internal thread hole respectively, the angle between the axis of the two internal thread holes is also
120 degree, and the thread rotary orientation of two internal thread holes is conversely, be respectively used to be connected with a studs 52.In the present embodiment,
The guide holder 54 of the second hanger bracket 5, studs 52 and V-arrangement connector 53 are respectively provided with three, each 52 one end of studs with
Guide holder 54 is threadedly coupled, and the other end is threadedly coupled with V-arrangement connector 53, forms orthohexagonal second hanger bracket 5.
As shown in Fig. 2 the first hanger bracket 4 also includes the first pillar 41 being vertically installed on each guide holder 44, this first
The axis perpendicular of the internal thread hole of the length direction of pillar 41 and the first adjusting rod 61 and guide holder 44, the first pillar 41 is simultaneously
Stretch out towards at 5 position of the second hanger bracket.In the present embodiment, guide holder 44 arranges three, then the first pillar 41 also sets
Put parallel three, three the first pillars 41 to be uniformly distributed.As shown in figure 3, the second hanger bracket 5 also includes being vertically arranged
The second pillar 51 on each guide holder 54 and with 41 aligned in position of the first pillar, the length direction of second pillar 51 and first
The axis perpendicular of the internal thread hole of adjusting rod 61 and guide holder 54, the second pillar 51 be in place towards the institute of the first hanger bracket 4
Stretch out at the place of putting.In the present embodiment, guide holder 54 arranges three, then the second pillar 51 is also provided with parallel three, three the
Two pillars 51 to be uniformly distributed.As shown in Figure 1 and Figure 4, the first pillar 41 and the second pillar 51 are connected by middle connector 1,
First pillar 41 and the second pillar 51 and with middle connector 1 be threadedly coupled, with allowing the first pillar 41 and the in middle connector 1
The screwed hole of the insertion of two pillar 51, is threadedly coupled easy disassembly.
As shown in fig. 7, adjusting part 6 is arranged on guide holder 44,54, guide holder 44,54 has three bar portions, wherein phase
To two bar portions in respectively have an internal thread hole being connected with studs, the 3rd in the middle of the two bar portions
One is provided with bar portion allows what second adjusting rod 62 inserted to lead for the internal thread hole that be threadedly coupled and one with the first adjusting rod 61
Xiang Kong, pilot hole are connected with internal thread hole, it is ensured that the first adjusting rod 61 is connected with the second adjusting rod 62 in can importing pilot hole.
Pilot hole plays guide effect to the second adjusting rod 62, and the second adjusting rod 62 does linear reciprocating motion in pilot hole, and second adjusts
In 62 one end of pole insertion pilot hole, the other end stretches out pilot hole and positioned at the first hanger bracket 4 or the inside of the second hanger bracket 5,
Hinge 63 is arranged on the external part of the second adjusting rod 62.It is inside the part insertion guide holder 44,54 of the first adjusting rod 61, another
Part is located at outside guide holder 44,54.
First hanger bracket of said structure, the second hanger bracket, the major advantage of suspension assembly design are embodied in：1) facilitate whole
The regulation of individual vibration-isolating platform, dismounting, regulation expand can the size of the platform vibration isolation object, weight range, flexibly dismantle energy
It is moved easily platform, is readily transported；2) structure design of whole platform, can easily produce series of products, be easy to this
Console module, producing in serial form.
The following detailed description of the quasi- zero stiffness for how realizing vibration-isolating platform, concretely comprise the following steps：
Step 1：Shock-absorbing spring (nonlinear spring) when moving platform 3 is reached equipoise by extraneous exciting force is calculated first
22 deformation quantity.
Step 2：When reaching equipoise according to put object the deformation quantity of shock-absorbing spring (nonlinear spring) 22 so as to
The vibroshock pre compressed magnitude that regulation is connected with the adjusting part 6 being arranged on the first hanger bracket 4 makes the pretightning force edge of the vibroshock
Vibroshock points to lower spring end lid.Shock-absorbing spring 22 when moving platform 3 is moved downward on the vibroshock will produce positive rigidity.
Step 3：Shock-absorbing spring (the non-thread of the vibroshock that regulation is connected with the adjusting part 6 being arranged on the second hanger bracket 5
Property spring) 22 deformation quantity, make the pretightning force of vibroshock point to lower end along vibroshock so as to adjust the vibroshock pre compressed magnitude.When
Shock-absorbing spring 22 when moving platform 3 is moved downward on the vibroshock will produce negative stiffness.
Positive rigidity that the vibroshock that is connected with the adjusting part 6 being arranged on the first hanger bracket 4 is produced and be arranged at the
The negative stiffness that the vibroshock of the connection of adjusting part 6 on two hanger brackets 5 is produced numerically is added
The global stiffness of system is zero, so as to realize the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness.
This utility model is exemplarily described above in association with accompanying drawing.Obviously, this utility model is implemented not
Limited by aforesaid way.As long as employ the various unsubstantialities that method design of the present utility model and technical scheme are carried out
Improvement；Or it is not improved, above-mentioned design of the present utility model and technical scheme are directly applied to into other occasions, at this
Within the protection domain of utility model.
Claims (9)
1. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness, it is characterised in that include：
Moving platform；
Suspension assembly；
Vibroshock, which is connected with moving platform；And
Adjusting part, which is connected with suspension assembly and vibroshock, and for adjusting the initial position of vibroshock.
2. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness according to claim 1, it is characterised in that the regulation group
Part includes with the suspension assembly is threaded connection the first adjusting rod and be to be threadedly coupled and relative can hang with the first adjusting rod
Hanging component makees the second adjusting rod of linear reciprocating motion, and the second adjusting rod is connected to rotate with the vibroshock.
3. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness according to claim 2, it is characterised in that described first adjusts
It is two sections of external screw threads being threadedly coupled respectively with the suspension assembly and second adjusting rod that pole has, and two sections externally threaded
It is oppositely oriented.
4. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness according to claim 1, it is characterised in that the suspension group
Part includes being equipped with the first hanger bracket for being oppositely arranged and being connected and the second hanger bracket, the first hanger bracket and the second hanger bracket
On the adjusting part, the first hanger bracket and the second hanger bracket, set adjusting part passes through the vibroshock and the moving platform
Connection.
5. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness according to claim 4, it is characterised in that the vibroshock
It is circumferentially distributed multiple in the inner side of the suspension assembly, and in two adjacent vibroshocks, one of vibroshock and institute
State the adjusting part connection arranged on the first hanger bracket, arrange on another vibroshock and second hanger bracket described in
Adjusting part connects.
6. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness according to claim 5, it is characterised in that the vibroshock
Centered on the axis of the moving platform, line is evenly distributed around moving platform.
7. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness according to claim 4, it is characterised in that described first hangs
Hanger has the first pillar, second hanger bracket with the second pillar alignd with the first shore position, the first pillar and the
Two pillars are connected by middle connector.
8. the adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness according to claim 7, it is characterised in that described first
Post and second pillar to be threadedly coupled, have in middle connector and allow the first pillar and the second pillar to revolve with the middle connector
The screwed hole for entering.
9. according to the arbitrary described adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness of claim 4 to 8, it is characterised in that institute
It is hexagonal structure to state the first hanger bracket and second hanger bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730321.1U CN206054618U (en) | 2016-07-12 | 2016-07-12 | The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730321.1U CN206054618U (en) | 2016-07-12 | 2016-07-12 | The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054618U true CN206054618U (en) | 2017-03-29 |
Family
ID=58377197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620730321.1U Expired - Fee Related CN206054618U (en) | 2016-07-12 | 2016-07-12 | The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972147A (en) * | 2016-07-12 | 2016-09-28 | 安徽工程大学 | Quasi zero stiffness vibration isolation platform adjustable in positive and negative stiffness |
| CN112211952A (en) * | 2020-10-12 | 2021-01-12 | 哈尔滨工程大学 | Low-frequency large-stroke quasi-zero rigidity vibration isolation device |
-
2016
- 2016-07-12 CN CN201620730321.1U patent/CN206054618U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972147A (en) * | 2016-07-12 | 2016-09-28 | 安徽工程大学 | Quasi zero stiffness vibration isolation platform adjustable in positive and negative stiffness |
| CN105972147B (en) * | 2016-07-12 | 2018-03-06 | 安徽工程大学 | The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness |
| CN112211952A (en) * | 2020-10-12 | 2021-01-12 | 哈尔滨工程大学 | Low-frequency large-stroke quasi-zero rigidity vibration isolation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105972147B (en) | The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness | |
| CN105972394B (en) | Quasi- zero stiffness vibration-isolating platform | |
| CN105299128B (en) | A kind of double acting platform-type parallel institution vibration reduction platform | |
| CN103899704B (en) | A kind of damping adjustable shock isolation platform with accurate zero stiffness | |
| CN105937572A (en) | Vibration isolation platform with quasi-zero stiffness | |
| CN106763445B (en) | A kind of mutative damp variable rigidity control method of intellectual material shock absorber | |
| CN106402229B (en) | A kind of scissors quasi-zero stiffness vibration isolators and its method of work | |
| CN206054618U (en) | The adjustable quasi- zero stiffness vibration-isolating platform of positive negative stiffness | |
| CN1333182C (en) | Rigidity and damp adjustable air spring vibration isolator | |
| CN205806823U (en) | Quasi-zero stiffness vibration-isolating platform | |
| Ahmadian et al. | Transient dynamics of semiactive suspensions with hybrid control | |
| CN106594157B (en) | A kind of variation rigidity mutative damp shock absorber based on intellectual material | |
| CN210423559U (en) | Zero rigidity vibration isolation mounting can be adjusted to negative rigidity | |
| CN103322105A (en) | Bionic air spring system | |
| CN105351442A (en) | Inerter and rubber composite absorber with broadband shock absorption performance | |
| CN205806305U (en) | Multidimensional can be harmonized zero stiffness vibration-isolating platform | |
| CN114623184A (en) | Intelligent adjusting system suitable for electromagnetic shock absorber | |
| CN205824020U (en) | A kind of scissors quasi-zero stiffness vibration isolators | |
| CN204458789U (en) | The angled type reciprocating-piston compressor that a kind of balance of shaking force is optimized | |
| CN206398000U (en) | A kind of variation rigidity mutative damp shock absorber | |
| Deng et al. | Development of a non-piston MR suspension rod for variable mass systems | |
| CN106051014B (en) | Multidimensional can harmonize zero stiffness vibration-isolating platform | |
| CN205173362U (en) | Be used to hold and rubber combined shock absorber with wide band vibration damping | |
| CN105156577B (en) | A kind of employing tilting magnet produces the super damping isolator of negative stiffness | |
| CN205806304U (en) | There is the vibration-isolating platform of quasi-zero stiffness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |