CN208546471U - The quasi- zero stiffness isolation mounting of six degree of freedom - Google Patents
The quasi- zero stiffness isolation mounting of six degree of freedom Download PDFInfo
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- CN208546471U CN208546471U CN201821111137.4U CN201821111137U CN208546471U CN 208546471 U CN208546471 U CN 208546471U CN 201821111137 U CN201821111137 U CN 201821111137U CN 208546471 U CN208546471 U CN 208546471U
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- quasi
- degree
- freedom
- zero stiffness
- mounting
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Abstract
The utility model discloses a kind of quasi- zero stiffness isolation mountings of six degree of freedom, comprising: fixing seat (10)；The quasi- zero stiffness mechanism (20) of at least three Three Degree Of Freedoms, at least three quasi- zero stiffness mechanisms (20) of Three Degree Of Freedom are separately mounted at multiple angles of the fixing seat (10)；Mounting base (30), multiple angles of the mounting base (30) are connected at least three quasi- zero stiffness mechanisms (20) of Three Degree Of Freedom respectively.The quasi- zero stiffness isolation mounting of the six degree of freedom reaches the quasi- zero stiffness of six degree of freedom by multiple quasi- zero stiffness mechanisms (20) of Three Degree Of Freedom in parallel, the grading control to static bearing capacity is realized by number in parallel, it is easy to standardize, seriation, and the apparatus structure is compact, saves space, light weight, reliability are high.The quasi- zero stiffness isolation mounting of the six degree of freedom solve the problems, such as existing quasi- zero stiffness isolation mounting inconvenience static bearing capacity is controlled, occupied space it is big.
Description
Technical field
The utility model relates to vibration isolation technique fields, and in particular to a kind of quasi- zero stiffness isolation mounting of six degree of freedom.
Background technique
The effect of isolation mounting is the Dynamic Coupling reduced by between device for vibration insutation and vibration source, and then reduces the bad of vibration source
Vibration is passed to by device for vibration insutation.Automobile, ship, certain equipment in aerospace vehicle are right such as the flight control system of aircraft
Vibration environment is very sensitive, therefore, in order to guarantee that these equipment can work normally, needs that corresponding isolation mounting is specially arranged
Carry out damping processing.
Currently, most of quasi- zero stiffness isolation mountings are concerned only with the vibration isolation on a direction, such as axial direction or torsional direction；And
And existing quasi- zero stiffness isolation mounting only minority can adjust static bearing capacity in a certain range after processing.Therefore,
The quasi- zero stiffness isolation mounting using more freedom is needed, to carry out vibration isolation in multiple directions simultaneously, and makes its static state carrying
Ability is more easier to control.The quasi- zero stiffness isolation mounting of the six degree of freedom being currently known is Stewart form, passes through the six roots of sensation
The quasi- zero stiffness bar of single-degree-of-freedom hingedly forms.The whole ruler of the quasi- zero stiffness isolation mounting of the six degree of freedom of this Stewart form
It is very little suitable with by vibration isolation object, and be positively correlated with static bearing capacity, occupy biggish space.
Utility model content
The main purpose of the utility model is to provide a kind of quasi- zero stiffness isolation mountings of six degree of freedom, existing at least to solve
There is the quasi- zero stiffness isolation mounting inconvenience in technology to control static bearing capacity, the technical problem that occupied space is big.
To achieve the goals above, the utility model provides a kind of quasi- zero stiffness isolation mounting of six degree of freedom, comprising: Gu
Reservation；The quasi- zero stiffness mechanism of at least three Three Degree Of Freedoms, the quasi- zero stiffness mechanism of at least three Three Degree Of Freedoms are separately mounted to fix
At multiple angles of seat；Mounting base, multiple angles of mounting base are connected with the quasi- zero stiffness mechanism of at least three Three Degree Of Freedoms respectively.
Further, the quasi- zero stiffness mechanism of Three Degree Of Freedom includes: pedestal, is mounted in fixing seat by bolt；Three secondary bullets
The both ends of spring pair, spring pair are hingedly mounted on pedestal；The middle part of connector, three auxiliary springs pair is hinged with connector, peace
Dress seat is connected by connector with the quasi- zero stiffness mechanism of Three Degree Of Freedom.
Further, pedestal includes: lower part mounting ring, and lower part mounting ring is mounted in fixing seat by bolt, lower part peace
Being evenly distributed setting on dress ring, there are three the first pivoting supports；Top mounting ring is evenly distributed setting in the mounting ring of top
There are three the second pivoting support, three the first pivoting supports are staggered with three the second pivoting supports；More connecting rods, lower part
Mounting ring is connected with top mounting ring by more connecting rods.
Further, three auxiliary springs are to 120 ° of rotational symmetry of vertical axis along pedestal.
Further, the first pivoting support and the second pivoting support are flexural pivot, Hooke's hinge or the shallow blind hole of taper.
Further, the quantity of the quasi- zero stiffness mechanism of Three Degree Of Freedom is four, the quasi- zero stiffness mechanism pair of four Three Degree Of Freedoms
Title be mounted at four angles of fixing seat, four angles of mounting base respectively with the connection in the quasi- zero stiffness mechanism of a Three Degree Of Freedom
Head is connected.
Further, multiple hollow slots are set side by side in fixing seat and mounting base.
Using the quasi- zero stiffness isolation mounting of the six degree of freedom of technical solutions of the utility model, by installed in fixing seat to
Few quasi- zero stiffness mechanism of three Three Degree Of Freedoms, the quasi- zero stiffness mechanism of at least three Three Degree Of Freedoms are separately mounted to the multiple of fixing seat
At angle, multiple angles of mounting base are connected with the quasi- zero stiffness mechanism of at least three Three Degree Of Freedoms respectively, by it is in parallel it is multiple (>
3) the quasi- zero stiffness mechanism of Three Degree Of Freedom reaches the quasi- zero stiffness of six degree of freedom, is divided by number in parallel realization static bearing capacity
Grade control is easy to standardize, seriation, and the apparatus structure is compact, saves space, light weight, and reliability is high.The six degree of freedom
Quasi- zero stiffness isolation mounting solves existing quasi- zero stiffness isolation mounting inconvenience and is controlled static bearing capacity, occupies sky
Between big problem.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point is below with reference to accompanying drawings described in further detail the utility model.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the quasi- zero stiffness isolation mounting of the utility model embodiment.
Fig. 2 is that Three Degree Of Freedom quasi- zero stiffness mechanism faces knot in the quasi- zero stiffness isolation mounting of the utility model embodiment
Structure schematic diagram.
Fig. 3 is that knot is looked up by Three Degree Of Freedom quasi- zero stiffness mechanism in the quasi- zero stiffness isolation mounting of the utility model embodiment
Structure schematic diagram.
Fig. 4 is the structural schematic diagram of pedestal in the quasi- zero stiffness isolation mounting of the utility model embodiment.
Fig. 5 is the structural representation of the single spring of spring centering of the quasi- zero stiffness isolation mounting of the utility model embodiment
Figure.
Fig. 6 is that the internal structure of the single spring of spring centering of the quasi- zero stiffness isolation mounting of the utility model embodiment is shown
It is intended to.
Wherein, the above drawings include the following reference numerals:
10, fixing seat；20, the quasi- zero stiffness mechanism of Three Degree Of Freedom；21, pedestal；22, spring pair；23, connector；30, it installs
Seat；40, hollow slots；211, lower part mounting ring；212, top mounting ring；213, connecting rod；214, the first pivoting support；215,
Two pivoting supports.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the protection scope of the utility model is not limited to embodiment in detail below.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical." first ", " second " used in the utility model patent application specification and claims and similar word
Language is not offered as any sequence, quantity or importance, and is intended merely to facilitate and distinguishes to corresponding components.Equally,
The similar word such as "one" or " one " does not indicate that quantity limits, but indicates that there are at least one." connection " or " connected "
It is not limited to physics or mechanical connection etc. similar word, but may include electrical connection, either directly
Or it is indirect."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when the absolute position for being described object
After setting change, then the relative positional relationship also correspondingly changes.
Referring to Fig. 1 to Fig. 6, a kind of quasi- zero stiffness isolation mounting of the six degree of freedom of the utility model embodiment, including fixation
The quasi- zero stiffness mechanism 20 of 10, at least three Three Degree Of Freedoms of seat and mounting base 30.Wherein, the quasi- zero stiffness machine of at least three Three Degree Of Freedoms
Structure 20 is separately mounted at multiple angles of fixing seat 10；Multiple angles of mounting base 30 respectively at least three Three Degree Of Freedom standards zero
Rigidity mechanism 20 is connected；Mounting base 30 is located at the top of fixing seat 10, and mounting base 30 is not directly connected with fixing seat 10.
The quasi- zero stiffness isolation mounting of above-mentioned six degree of freedom, by installing at least three Three Degree Of Freedoms standard in fixing seat 10
Zero stiffness mechanism 20, the quasi- zero stiffness mechanism 20 of at least three Three Degree Of Freedoms are separately mounted at multiple angles of fixing seat 10, will pacify
Multiple angles of dress seat 30 are connected with the quasi- zero stiffness mechanism 20 of at least three Three Degree Of Freedoms respectively, certainly by multiple (> 3) in parallel three
The quasi- zero stiffness for reaching six degree of freedom by Du Zhun zero stiffness mechanism 20 realizes the classification control to static bearing capacity by number in parallel
System is easy to standardize, seriation, and the apparatus structure is compact, saves space, light weight, and reliability is high.The six degree of freedom standard zero
Rigidity isolation mounting solve existing quasi- zero stiffness isolation mounting inconvenience static bearing capacity is controlled, occupied space it is big
The problem of.
Specifically, referring to figure 1, figure 2 and figure 3, in the present embodiment, the quasi- zero stiffness mechanism 20 of Three Degree Of Freedom includes pedestal
21, three auxiliary springs are to 22 and connector 23.Wherein, pedestal 21 is mounted in fixing seat 10 by bolt；Spring to 22 both ends
It is hingedly mounted on pedestal 21；Three auxiliary springs to 22 middle part with connector 23 it is hinged, mounting base 30 passes through connector 23
Quasi- zero stiffness mechanism 20 is connected with Three Degree Of Freedom；Three auxiliary springs to 22 along pedestal 21 120 ° of rotational symmetry of vertical axis.Its
In, spring is precompressed to 22, by spring to 22 static bearing capacities whole in the quiet vertical difference synthesis of equalization point, just
Degree, size, the ingenious balance between precompressed amount are so that dynamic rate is 0 at equalization point.
Further, referring to fig. 4, pedestal 21 includes lower part mounting ring 211, top mounting ring 212 and Duo Gen connecting rod
213.Wherein, lower part mounting ring 211 is mounted in fixing seat 10 by bolt, and setting is evenly distributed in lower part mounting ring 211
There are three the first pivoting supports 214；Setting is evenly distributed in top mounting ring 212 there are three the second pivoting support 215, three
First pivoting support 214 is staggered with three the second pivoting supports 215；Lower part mounting ring 211 and top mounting ring 212 pass through
More connecting rods 213 are connected.Using such pedestal 21, the weight of entire isolation mounting on the one hand can be mitigated；Another party
Face also easy disassembly.
In the present embodiment, the first pivoting support 214 and the second pivoting support 215 can be flexural pivot, Hooke's hinge or taper
Shallow blind hole；Spring is provided with flexural pivot, Hooke's hinge or top to 22 every both ends of the spring.First pivoting support 214 and second
Flexural pivot, Hooke's hinge or the shallow blind hole of taper of pivoting support 215 and flexural pivot, Hooke's hinge or the top mating connection of both ends of the spring.
Referring to Fig. 1, in the present embodiment, the quantity of the quasi- zero stiffness mechanism 20 of Three Degree Of Freedom is preferably four, and this four three
The quasi- zero stiffness mechanism 20 of freedom degree is symmetrically mounted at four angles of fixing seat 10, four angles of mounting base 30 respectively with one three
Connector 23 in the quasi- zero stiffness mechanism 20 of freedom degree is connected.So, it can be ensured that realize the vibration isolation of six degree of freedom, and make entire
Isolation mounting has better stability.
In order to further mitigate the weight of the isolation mounting, in the present embodiment, in fixing seat 10 and mounting base 30 simultaneously
Column offer multiple hollow slots 40.By opening up multiple hollow slots 40 in fixing seat 10 and mounting base 30, reduce fixing seat
10 and 30 material therefor of mounting base, effectively reduce the overall weight of the quasi- zero stiffness isolation mounting of six degree of freedom.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of quasi- zero stiffness isolation mounting of six degree of freedom characterized by comprising
Fixing seat (10)；
The quasi- zero stiffness mechanism (20) of at least three Three Degree Of Freedoms, at least three quasi- zero stiffness mechanisms (20) of Three Degree Of Freedom are respectively
It is mounted at multiple angles of the fixing seat (10)；
Mounting base (30), multiple angles of the mounting base (30) respectively at least three quasi- zero stiffness mechanisms of Three Degree Of Freedom
(20) it is connected.
2. the quasi- zero stiffness isolation mounting of six degree of freedom according to claim 1, which is characterized in that the Three Degree Of Freedom standard zero
Rigidity mechanism (20) includes:
Pedestal (21) is mounted on the fixing seat (10) by bolt；
Three auxiliary springs are hingedly mounted on the pedestal (21) (22), the spring to the both ends of (22)；
Connector (23), the three secondary springs to the middle part of (22) with the connector (23) hingedly, the mounting base (30)
It is connected by the connector (23) with the quasi- zero stiffness mechanism (20) of the Three Degree Of Freedom.
3. the quasi- zero stiffness isolation mounting of six degree of freedom according to claim 2, which is characterized in that pedestal (21) packet
It includes:
Lower part mounting ring (211), the lower part mounting ring (211) is mounted on the fixing seat (10) by bolt, under described
Setting is evenly distributed in portion's mounting ring (211), and there are three the first pivoting support (214)；
Top mounting ring (212), setting is evenly distributed on the top mounting ring (212), and there are three the second pivoting supports
(215), three first pivoting supports (214) are staggered with three second pivoting supports (215)；
More connecting rods (213), the lower part mounting ring (211) and the top mounting ring (212) pass through the more connections
Bar (213) is connected.
4. the quasi- zero stiffness isolation mounting of six degree of freedom according to claim 3, which is characterized in that the three secondary springs pair
(22) along 120 ° of rotational symmetry of vertical axis of the pedestal (21).
5. the quasi- zero stiffness isolation mounting of six degree of freedom according to claim 3, which is characterized in that first pivoting support
(214) and second pivoting support (215) is flexural pivot, Hooke's hinge or the shallow blind hole of taper.
6. the quasi- zero stiffness isolation mounting of six degree of freedom according to claim 2, which is characterized in that the Three Degree Of Freedom standard zero
The quantity of rigidity mechanism (20) is four, and four quasi- zero stiffness mechanisms (20) of Three Degree Of Freedom are symmetrically mounted on the fixing seat
(10) at four angles, four angles of the mounting base (30) are respectively and in a quasi- zero stiffness mechanism (20) of Three Degree Of Freedom
The connector (23) be connected.
7. the quasi- zero stiffness isolation mounting of six degree of freedom according to claim 1, which is characterized in that the fixing seat (10) and
Multiple hollow slots (40) are set side by side on the mounting base (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821111137.4U CN208546471U (en) | 2018-07-13 | 2018-07-13 | The quasi- zero stiffness isolation mounting of six degree of freedom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821111137.4U CN208546471U (en) | 2018-07-13 | 2018-07-13 | The quasi- zero stiffness isolation mounting of six degree of freedom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546471U true CN208546471U (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821111137.4U Expired - Fee Related CN208546471U (en) | 2018-07-13 | 2018-07-13 | The quasi- zero stiffness isolation mounting of six degree of freedom |
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| CN (1) | CN208546471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757803A (en) * | 2018-07-13 | 2018-11-06 | 浙江睿思自动化技术有限公司 | The quasi- zero stiffness isolation mounting of six degree of freedom |
-
2018
- 2018-07-13 CN CN201821111137.4U patent/CN208546471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757803A (en) * | 2018-07-13 | 2018-11-06 | 浙江睿思自动化技术有限公司 | The quasi- zero stiffness isolation mounting of six degree of freedom |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 Termination date: 20210713 |