CN205401578U - Space multi freedom vibration isolation platform - Google Patents
Space multi freedom vibration isolation platform Download PDFInfo
- Publication number
- CN205401578U CN205401578U CN201620122957.8U CN201620122957U CN205401578U CN 205401578 U CN205401578 U CN 205401578U CN 201620122957 U CN201620122957 U CN 201620122957U CN 205401578 U CN205401578 U CN 205401578U
- Authority
- CN
- China
- Prior art keywords
- platform
- mounting plate
- leg assembly
- upper mounting
- lower 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.)
- Active
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a space multi freedom vibration isolation platform belongs to the environment vibration isolation technology field of high accuracy instrument, equipment, and it includes: six leg assembly of upper mounting plate, installation between platform, universal hinge seat, ball pivot seat and the upper and lower platform down, every leg assembly is respectively through universal hinge seat and lower platform swing joint, through ball pivot seat and upper mounting plate swing joint, two adjacent leg assembly are the V font and arrange at the upper mounting plate under and between the platform, wherein, a pivot of universal hinge seat and the hinge hole of lower platform carry out the hole shaft fit, and the hole shaft fit is carried out with the hinge hole of leg assembly installation cover to another pivot of universal hinge seat, the corner at the upper mounting plate, the ball structure of leg assembly bulb pole and the cooperation of the spherical inner chamber of ball pivot seat are fixed to the ball pivot seat, this platform can be solved the vibration control of precision system under abominable mechanical environment technological problem and attenuate the vibration amount level of environment effectively.
Description
Technical field
This utility model belong to for Aero-Space, the high precision instrument of commercial measurement, equipment environment vibration isolation technique field, be specifically related to a kind of space multi-degree-of-freedom vibration isolation platform.
Background technology
Current existing damping technology, can only decay to the vibration of upper frequency, in addition existing damping technology many employings visco-elastic damping material, and visco-elastic damping material performance under rugged environment can significantly decay, it is impossible to meets long-lasting requirement；But current many device for accurately measuring are under the environment such as severe high/low temperature, vacuum, and therefore, existing isolation mounting does not adapt to these rugged environments.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of space multi-degree-of-freedom vibration isolation platform, it is possible to solve the technical barrier of exquisite system vibration control under severe mechanical environment and the vibration level of fading environments effectively.
This utility model is achieved through the following technical solutions:
A kind of space multi-degree-of-freedom vibration isolation platform, including: six leg assemblies installed between upper mounting plate, lower platform, universal free bearing, ball pivot seat and upper and lower platform；
Described leg assembly includes ball rod, antivibrator and installs set；Described ball rod is the end round bar with chondritic；The described set cylinder-like structure for the closing of one end open one end of installing, the blind end processing of installation set has boss, and boss has the hinge hole axially vertical with installing set；
Ball rod is fixed on one end of antivibrator without chondritic one end, installs fixing with antivibrator after the open end of set is sleeved on the other end of antivibrator connection；
Described upper mounting plate and lower platform are equilateral triangle platform, and wherein, each corner of lower platform has two hinge holes；
On described universal free bearing, processing has two mutually perpendicular rotating shafts；
On described ball pivot seat, processing has two spherical inner chambers；
Its annexation is as follows: each leg assembly is flexibly connected with lower platform respectively through universal free bearing, is flexibly connected with upper mounting plate by ball pivot seat；Adjacent two leg assemblies are in the shape of the letter V and are arranged between upper mounting plate and lower platform；Wherein, a rotating shaft of universal free bearing carries out hole axle with the hinge hole of lower platform and coordinates, and another rotating shaft of universal free bearing carries out hole axle with the hinge hole of leg assembly installation set and coordinates；Ball pivot seat is fixed on the corner of upper mounting plate, and the chondritic of leg assembly ball rod coordinates with the spherical inner chamber of ball pivot seat.
Further, described antivibrator includes two metal-rubber blocks, attachment screw, adpting flange and clamp nut；
On described metal-rubber block, processing has axially extending bore；
On the ailhead of described attachment screw, processing has the internal thread hole of connecting ball head bar；
On described adpting flange, processing has axially extending bore；
Two metal-rubber blocks and adpting flange are all sleeved on the screw rod of attachment screw, and wherein, adpting flange is between two metal-rubber blocks；Clamp nut is arranged on the screw rod end of attachment screw, and two metal-rubber blocks are compressed by the pretightning force set, and the two ends of two metal-rubber block composition entirety are inconsistent with the ailhead of attachment screw and clamp nut respectively.
Further, two end faces of described adpting flange have processed annular stop boss respectively；The outer circumference surface of two metal-rubber blocks is all conflicted on the annular stop boss of adpting flange.
Beneficial effect: (1) this utility model is applied in weaponry industry, in such as precision guided weapon equipment；Or it is applied in the camera of satellite and vibration environment is required in the vibration isolation of higher precision instrument by other；This utility model under rugged environment, can provide stable vibration isolation environment for these device for accurately measuring, efficiently solve the technical barrier of their vibration control.
(2) leg assembly between the upper and lower platform of this utility model be arranged into space Level Multiple Degree of Freedom Structures and leg assembly antivibrator adopt metal-rubber block carry out vibration damping, it is achieved that the vibration attenuation of space six-freedom degree and the purpose of excellent anti-vibration performance；And owing to antivibrator adopts metal-rubber block, this utility model is applicable to comparatively rugged environment, has possessed more excellent environmental resistance and long-lasting.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model structure composition.
Fig. 2 is the top view of this utility model structure composition.
Fig. 3 is leg assembly structure composition diagram of the present utility model.
Fig. 4 is the structure composition diagram of antivibrator of the present utility model.
Fig. 5 is universal free bearing structure of the present utility model and connection diagram.
Fig. 6 is ball pivot holder structure of the present utility model and connection diagram.
Wherein, 1-upper mounting plate, 2-leg assembly, 3-lower platform, the universal free bearing of 4-, 5-ball pivot seat, 6-ball rod, 7-antivibrator, 8-installs set, 10-the first rotating shaft, 11-the second rotating shaft, 14-attachment screw, 15-metal-rubber block, 16-adpting flange, 17-clamp nut.
Detailed description of the invention
Develop simultaneously embodiment below in conjunction with accompanying drawing, this utility model is described in detail.
This utility model provides a kind of space multi-degree-of-freedom vibration isolation platform, referring to accompanying drawing 1,2, including: six leg assemblies 2 installed between upper mounting plate 1, lower platform 3, universal free bearing 4, ball pivot seat 5 and upper and lower platform；
Referring to accompanying drawing 3, described leg assembly 2 includes ball rod 6, antivibrator 7 and installs set 8；
Referring to accompanying drawing 4, described antivibrator 7 includes two metal-rubber blocks 15, attachment screw 14, adpting flange 16 and clamp nut 17；On described metal-rubber block 15, processing has axially extending bore；On the ailhead of described attachment screw 14, processing has along its axial internal thread hole；On described adpting flange 16, processing has axially extending bore, and two end faces of adpting flange 16 have processed annular stop boss respectively；Two metal-rubber blocks 15 and adpting flange 16 are all sleeved on the screw rod of attachment screw 14, and wherein, adpting flange 16 is between two metal-rubber blocks 15, and the outer circumference surface of two metal-rubber blocks 15 is all conflicted on the annular stop boss of adpting flange 16；Clamp nut 17 is arranged on the screw rod end of attachment screw 14, and two metal-rubber blocks 15 are compressed by the pretightning force set, and the two ends that two metal-rubber blocks 15 form entirety are inconsistent with the ailhead of attachment screw 14 and clamp nut 17 respectively；
Described ball rod 6 is the end round bar with chondritic；Ball rod 6 is fixed on the ailhead of antivibrator 7 attachment screw 14 without one end of chondritic；
Described installation set 8 is the cylinder-like structures that one end open one end is closed, and the open end installing set 8 is provided with flange, and the blind end processing of installation set 8 has boss, and boss has the hinge holes axially vertical with installing set 8；Set 8 is installed be sleeved on antivibrator 7 one end of clamp nut 17 is installed, and is bolted with the adpting flange 16 of antivibrator 7；
Described upper mounting plate 1 and lower platform 3 are equilateral triangle platform, and wherein, each corner of lower platform 3 has two hinge holes；
Referring to accompanying drawing 5, on described universal free bearing 4, processing has two mutually perpendicular rotating shafts, respectively the first rotating shaft 10 and the second rotating shaft 11；
Referring to accompanying drawing 6, on described ball pivot seat 5, processing has two spherical inner chambers；
Its annexation is as follows: each leg assembly 2 is flexibly connected with lower platform 3 respectively through universal free bearing 4, is flexibly connected with upper mounting plate 1 by ball pivot seat 5, and adjacent two leg assemblies 2 are in the shape of the letter V and are arranged between upper mounting plate 1 and lower platform 3；Wherein, the first rotating shaft 10 of universal free bearing 4 carries out hole axle with the hinge hole of lower platform 3 and coordinates, and the second rotating shaft 11 of universal free bearing 4 carries out hole axle with the hinge hole of leg assembly 2 installation set 8 and coordinates；Ball pivot seat 5 is fixed on the corner of upper mounting plate 1, and the chondritic of leg assembly 2 ball rod 6 coordinates with the spherical inner chamber of ball pivot seat 5.
Operation principle: the instrument and equipment needing vibration isolation is arranged on upper mounting plate 1, lower platform 3 is connected with the pedestal with vibration environment, the vibration of pedestal is delivered to six leg assemblies 2 by lower platform 3, leg assembly 2 by with universal free bearing 4, ball pivot seat 5 coordinate and antivibrator 7 makes upper mounting plate 1 can carry out thin tail sheep motion by multiple degree of freedom in space, vibrate damped device 7 to decay, so the vibration level of the instrument and equipment of upper mounting plate 1 and its upper installation is decayed on multiple degree of freedom simultaneously.
Wherein, the vibration requirement according to equipment and instrument, it is possible to adjust the density of metal-rubber block 15 in antivibrator 7, stiffness parameters, make the vibration level of upper mounting plate 1 meet the equipment requirements being isolated vibration.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (3)
1. a space multi-degree-of-freedom vibration isolation platform, it is characterized in that, including: upper mounting plate (1), lower platform (3), universal free bearing (4), six leg assemblies (2) of installation between ball pivot seat (5) and upper and lower platform；
Described leg assembly (2) includes ball rod (6), antivibrator (7) and installs set (8)；Described ball rod (6) is the end round bar with chondritic；Described installation overlaps the cylinder-like structure that (8) are closed for one end open one end, and the blind end processing installing set (8) has boss, and boss has the hinge hole axially vertical with installing set (8)；
Ball rod (6) is fixed on one end of antivibrator (7) without chondritic one end, installs fixing with antivibrator (7) after the open end of set (8) is sleeved on the other end of antivibrator (7) connection；
Described upper mounting plate (1) and lower platform (3) are equilateral triangle platform, and wherein, each corner of lower platform (3) has two hinge holes；
The upper processing of described universal free bearing (4) has two mutually perpendicular rotating shafts；
The upper processing of described ball pivot seat (5) has two spherical inner chambers；
Its annexation is as follows: each leg assembly (2) is flexibly connected with lower platform (3) respectively through universal free bearing (4), is flexibly connected with upper mounting plate (1) by ball pivot seat (5)；Adjacent two leg assemblies (2) are in the shape of the letter V and are arranged between upper mounting plate (1) and lower platform (3)；Wherein, one rotating shaft of universal free bearing (4) carries out hole axle with the hinge hole of lower platform (3) and coordinates, and another rotating shaft of universal free bearing (4) carries out hole axle with the hinge hole of leg assembly (2) installation set (8) and coordinates；Ball pivot seat (5) is fixed on the corner of upper mounting plate (1), and the chondritic of leg assembly (2) ball rod (6) coordinates with the spherical inner chamber of ball pivot seat (5).
2. a kind of space as claimed in claim 1 multi-degree-of-freedom vibration isolation platform, it is characterized in that, described antivibrator (7) includes two metal-rubber blocks (15), attachment screw (14), adpting flange (16) and clamp nut (17)；
The upper processing of described metal-rubber block (15) has axially extending bore；
On the ailhead of described attachment screw (14), processing has the internal thread hole of connecting ball head bar (6)；
The upper processing of described adpting flange (16) has axially extending bore；
Two metal-rubber blocks (15) and adpting flange (16) are all sleeved on the screw rod of attachment screw (14), and wherein, adpting flange (16) is positioned between two metal-rubber blocks (15)；Clamp nut (17) is arranged on the screw rod end of attachment screw (14), and two metal-rubber blocks (15) are compressed by the pretightning force set, the two ends of two metal-rubber block (15) composition entirety are inconsistent with the ailhead of attachment screw (14) and clamp nut (17) respectively.
3. a kind of space as claimed in claim 2 multi-degree-of-freedom vibration isolation platform, it is characterised in that two end faces of described adpting flange (16) have processed annular stop boss respectively；The outer circumference surface of two metal-rubber blocks (15) is all conflicted on the annular stop boss of adpting flange (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620122957.8U CN205401578U (en) | 2016-02-16 | 2016-02-16 | Space multi freedom vibration isolation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620122957.8U CN205401578U (en) | 2016-02-16 | 2016-02-16 | Space multi freedom vibration isolation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401578U true CN205401578U (en) | 2016-07-27 |
Family
ID=56447515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620122957.8U Active CN205401578U (en) | 2016-02-16 | 2016-02-16 | Space multi freedom vibration isolation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401578U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704474A (en) * | 2017-01-10 | 2017-05-24 | 哈尔滨工业大学 | Highly integrated self-sensing hexa-axial conical vibration isolator |
| CN109372943A (en) * | 2018-12-11 | 2019-02-22 | 福州大学 | Adjustable double-deck metal-rubber damping shock absorber and its working method |
| CN113883213A (en) * | 2021-10-01 | 2022-01-04 | 福州大学 | Combined shock absorber based on metal rubber and working method thereof |
| CN114251411A (en) * | 2020-09-21 | 2022-03-29 | 中国科学院长春光学精密机械与物理研究所 | Active section vibration reduction structure of coaxial double-reflection space optical remote sensor |
-
2016
- 2016-02-16 CN CN201620122957.8U patent/CN205401578U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704474A (en) * | 2017-01-10 | 2017-05-24 | 哈尔滨工业大学 | Highly integrated self-sensing hexa-axial conical vibration isolator |
| CN106704474B (en) * | 2017-01-10 | 2019-01-15 | 哈尔滨工业大学 | The six axial cone shape vibration isolator of self-induction type of Highgrade integration |
| CN109372943A (en) * | 2018-12-11 | 2019-02-22 | 福州大学 | Adjustable double-deck metal-rubber damping shock absorber and its working method |
| CN114251411A (en) * | 2020-09-21 | 2022-03-29 | 中国科学院长春光学精密机械与物理研究所 | Active section vibration reduction structure of coaxial double-reflection space optical remote sensor |
| CN113883213A (en) * | 2021-10-01 | 2022-01-04 | 福州大学 | Combined shock absorber based on metal rubber and working method thereof |
| CN113883213B (en) * | 2021-10-01 | 2023-09-29 | 福州大学 | Combined shock absorber based on metal rubber and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205401578U (en) | Space multi freedom vibration isolation platform | |
| CN104455181B (en) | A kind of accurate zero stiffness vibration isolator that adopts annular permanent magnet to produce negative stiffness | |
| CN102518727B (en) | Totally-closed rigidity adjustable type vibration isolator | |
| CN206409570U (en) | Shock absorber and aircraft | |
| CN107588151A (en) | Wind power generation plant | |
| CN102644692B (en) | Composite shock absorber | |
| CN109707786B (en) | Electromagnetic type positive and negative rigidity parallel low-frequency vibration isolation device | |
| CN103122960A (en) | Magnetic liquid damp shock absorber | |
| CN105382846B (en) | A kind of endoporus sheet parts are quickly captured and error prevention device | |
| CN105667721A (en) | Ultralow-frequency vibration isolation float for ocean detector | |
| CN103758921A (en) | Nonlinear vibration damping device for suppressing in-orbit micro-vibration of spacecraft | |
| CN207377900U (en) | A kind of single-acting hydrostatic support actuator | |
| CN208268287U (en) | A kind of rubber shock absorber | |
| CN103410901A (en) | Spring damping vibration absorber | |
| CN205479068U (en) | Modular shock absorber | |
| CN107606020B (en) | A kind of composite damping structure for airborne lidar for fluorescence | |
| CN105715723A (en) | Damping device | |
| CN113944721B (en) | Omnidirectional vibration isolator | |
| CN109737165A (en) | Rigidity vibration isolators and the vibrating isolation systems such as a kind of three axis of all-metal | |
| CN106812860B (en) | A kind of combined type damper | |
| CN108533656B (en) | Rubber vibration damper | |
| US3142172A (en) | Vibration testing apparatus | |
| CN210799883U (en) | Novel rubber buffer of inertial navigation equipment | |
| CN109139795B (en) | Damper and testing machine with same | |
| CN108801621B (en) | Device for simulating hydrops in rotor disc cavity of aero-engine under maneuvering flight condition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |