CN205978250U - Single degree of freedom line vibration vibration damper - Google Patents
Single degree of freedom line vibration vibration damper Download PDFInfo
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- CN205978250U CN205978250U CN201620944658.2U CN201620944658U CN205978250U CN 205978250 U CN205978250 U CN 205978250U CN 201620944658 U CN201620944658 U CN 201620944658U CN 205978250 U CN205978250 U CN 205978250U
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Abstract
The utility model provides a vibration of carrier and equipment, flexible connectors decay carrier single -degree -of -freedom is connected to single degree of freedom line vibration damping side device through flexible connectors, still connect carrier and equipment through the linear motion connecting piece, the single degree of freedom direction of vibration that flexible connectors attenuateed is followed to the linear motion direction of linear motion connecting piece. Realized not only can attenuateing on the single degree of freedom direction of motion the line vibration but also do not reduce the mesh of the rigidity of other motion degrees of freedom. The mechanical equipment that the messenger installed on vibration damper has very high rigidity and resonant frequency in the non -vibration direction, mechanical equipment motion part's the control degree of difficulty can be effectively reduced, control accuracy is improved greatly. Linear bearing produces the friction with some contact type in the preferred scheme, very big reduction the loss.
Description
Technical field
This utility model is related to a kind of single-degree-of-freedom linearly coupled vibration absorber, belongs to the technical field of mechanical equipment needing vibration damping,
The technical field of mechanical equipment with multifreedom motion part especially on motion carrier, such as vehicle-mounted, boat-carrying, airborne disorder of internal organs are exceedingly high
Line product, photography holder equipment, the vibration damping of the equipment such as tank gun.
Background technology
In existing mechanical equipment installation, in order to eliminate, the fixing impact to equipment for the surface vibration is installed, generally all set
For being provided with vibration absorber and stationary plane between, the vibration absorber generally adopting is Flexible Connector.Though such vibration absorber
The vibration of certain single-degree-of-freedom in plant equipment so can be delivered to effective attenuation stationary plane, but so that stationary plane and machinery is set
The rigidity of other degree of freedom between standby and natural frequency reduce, and cause the motor control difficulty of plant equipment motion parts to increase
Plus, affect whole capability of engineering equipment index.
Content of the invention
In place of the deficiencies in the prior art, the utility model proposes a kind of single-degree-of-freedom linearly coupled vibration damping dress
Put, not only not reduce can the rigidity of other freedoms of motion with the linearly coupled on effective attenuation single dof mobility direction but also.
The technical solution of the utility model is：
A kind of described single-degree-of-freedom linearly coupled vibration absorber it is characterised in that：Including the damping block for connecting equipment
(2), it is used for connecting the bedplate (1) of carrier, Flexible Connector, linear motion connector；
Described Flexible Connector connects damping block (2) and bedplate (1), and direction of vibration of decaying is perpendicular to bedplate
(1) the carrier vibration of plane；
Described linear motion connector connects damping block (2) and bedplate (1), and the straight line fortune of the connector that moves along a straight line
The direction of vibration decayed along Flexible Connector in dynamic direction.
Further preferred version, a kind of described single-degree-of-freedom linearly coupled vibration damping realize device it is characterised in that：Described bullet
Property connector realize from wire rope damper (3) with the vibration isolation rubber (6) that is contained in steel wire rope loop；And elastic connection number of packages
Amount is not less than three sets.
Further preferred version, a kind of described single-degree-of-freedom linearly coupled vibration damping realize device it is characterised in that：Described straight
Line motion couplings are realized with linear bearing (4) and optical axis (5)；Linear bearing (4) and optical axis (5) are separately mounted to vibration damping
On plate (2) and bedplate (1), and the direction of vibration that optical axis (5) is decayed axially along Flexible Connector；Described linear motion connects
Number of packages amount is not less than three sets.
Further preferred version, a kind of described single-degree-of-freedom linearly coupled vibration damping realize device it is characterised in that：Described straight
Bobbin holds and is embedded with least 3 rows' axial direction ball (7) on (4) and optical axis (5) cooperation inner hole wall.
Further preferred version, a kind of described single-degree-of-freedom linearly coupled vibration damping realize device it is characterised in that：Described straight
Line motion couplings are realized with flange shaft sleeve (8) and optical axis (5)；Flange shaft sleeve (8) and optical axis (5) are separately mounted to vibration damping
On plate (2) and bedplate (1), and the direction of vibration that optical axis (5) is decayed axially along Flexible Connector；Described linear motion connects
Number of packages amount is not less than three sets.
Beneficial effect
From technical scheme, the utility model proposes the line that both can decay on single dof mobility direction of device shake
The dynamic rigidity again not reducing other freedoms of motion.The plant equipment being arranged on vibration absorber is made to have on non-vibration direction
Very high rigidity and resonant frequency；The control difficulty of plant equipment motion parts can effectively be reduced, greatly improve control accuracy.
In preferred version, linear motion connector adopts linear bearing and optical axis to realize, long service life, low price, it is possible to decrease raw
Produce cost.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below
Become obvious and easy to understand, wherein：
Fig. 1 is the Standard schematic diagram of this utility model embodiment；
Fig. 2 is the Structure explosion diagram of this utility model embodiment；
Fig. 3 is the simple sectional arrangement drawing of this utility model embodiment linear bearing 4 and optical axis 5；
Fig. 4：This utility model embodiment flange shaft sleeve 8 and the simple sectional arrangement drawing of optical axis 5.
In figure：
1- bedplate, 2- damping block, 3- wire rope damper, 4- linear bearing, 5- optical axis, 6- vibration isolation rubber, 7- ball,
8- flange shaft sleeve.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model
Restriction.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation of instruction such as " clockwise ", " counterclockwise " or position relationship are based on orientation shown in the drawings or position relationship, be only for
It is easy to describe this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Because in Vibration Absorption Designing field, designer often pays close attention to and considers how will vibrate as far as possible at present
Decay, such as in ship-board antenna equipment, installs Flexible Connector additional, by cabin electromotor between antenna equipment and installation carrier
Deng external vibration decay, to meet the use requirement of antenna equipment.But find such vibration damping mode pair in actual use again
Control aspect brings very big problem, due to installing Flexible Connector additional, has not only decayed and has carried with installing perpendicular to antenna equipment
The vibration of body installed surface, and the rigidity in other directions is also reduced, lead to natural frequency to also reduce, cause plant equipment
The motor control difficulty of motion parts is significantly increased, especially when carrier itself also has motion, the control to the motion parts of equipment
Precision processed is difficult to meet design requirement, affects whole capability of engineering equipment index.
For solving above-mentioned technical problem, simultaneously and processing cost is not significantly increased, the utility model proposes a kind of list is certainly
By degree linearly coupled vibration absorber, not only not reduce can other motions certainly with the linearly coupled on effective attenuation single dof mobility direction but also
By the rigidity spent.
In an embodiment, concrete implementation device include for connect equipment damping block 2, for connecting the base of carrier
Plate 1, Flexible Connector, linear motion connector, as shown in Figure 1.
Described Flexible Connector connects damping block 2 and bedplate 1, and direction of vibration of decaying is perpendicular to bedplate 1 plane
Carrier vibration.Corresponding to ship-board antenna equipment, bedplate 1 is fixed on antenna carrier, and damping block 2 connects antenna body.
As shown in Fig. 2 described Flexible Connector is joined with the vibration isolation rubber 6 being contained in steel wire rope loop by wire rope damper 3
Close and realize；And Flexible Connector quantity is not less than three sets, such as become square profile using four sets of Flexible Connectors in the present embodiment,
And vibration isolation rubber 6 section also shape changeable, to better meet damping requirements.
Described linear motion connector connects damping block 2 and bedplate 1, and the linear motion side of the connector that moves along a straight line
To the direction of vibration decayed along Flexible Connector.As shown in Figures 2 and 3, described linear motion connector is by linear bearing 4 He
Optical axis 5 cooperation is realized, and described linear bearing 4 and optical axis 5 cooperation inner hole wall are embedded with least 3 row's axial direction balls 7；Linear bearing
4 and optical axis 5 be separately mounted on damping block 2 and bedplate 1, and the direction of vibration that optical axis 5 is decayed axially along Flexible Connector；
Described linear motion connector quantity is not less than three sets, is arranged on bedplate using four sets of linear motion connectors in the present embodiment
1 and the corner of damping block 2.
Additionally, as shown in figure 4, described linear motion connector also can realization with flange shaft sleeve 8 and optical axis 5, flange
Axle sleeve 8 and optical axis 5 are separately mounted on damping block 2 and bedplate 1, and the vibration that optical axis 5 is decayed axially along Flexible Connector
Direction.Flange shaft sleeve 8 and optical axis 5 adopt polyformaldehyde material, polyformaldehyde not only light weight (density is 1.45g/m3), geometrical stability
Property good, and shock resistance height (notch impact toughness 6kj/m2), self-lubricating, preferably acidproof/alkalescence, high temperature resistant.It is very
Low coefficient of friction is it is ensured that it remains stable mechanical cooperation during one direction sliding friction.Using the longevity
Life length, low price, manufacturing cost is low, can be used for the adverse circumstances such as sea.
During assembling, first vibration isolation rubber 6 is loaded stand-by in wire rope damper 3, linear bearing 4 is connected on damping block 2
Stand-by, screw keeps loosening；Afterwards the wire rope damper 3 of optical axis 5 and installation vibration isolation rubber 6 is connected on bedplate 1, connects
Screw keeps loosening；Again the damping block 2 connecting linear bearing 4 is passed through linear bearing 4 and seat board on earth is placed in the cooperation of optical axis 5
On 1；Finally fasten whole connecting screws to complete.
As shown from the above technical solution, the utility model proposes device both can decay on single dof mobility direction
Linearly coupled does not reduce the rigidity of other freedoms of motion again.Make the plant equipment being arranged on vibration absorber on non-vibration direction
There is very high rigidity and resonant frequency；The control difficulty of plant equipment motion parts can effectively be reduced, greatly improve control
Precision.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is
Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is without departing from this utility model to restriction of the present utility model
Principle and objective in the case of above-described embodiment can be changed in the range of this utility model, change, replace and
Modification.
Claims (5)
1. a kind of single-degree-of-freedom linearly coupled vibration absorber it is characterised in that：Including the damping block (2) for connecting equipment, it is used for
The bedplate (1) of connection carrier, Flexible Connector, linear motion connector；
Described Flexible Connector connects damping block (2) and bedplate (1), and direction of vibration of decaying is put down perpendicular to bedplate (1)
The carrier vibration in face；
Described linear motion connector connects damping block (2) and bedplate (1), and the linear motion side of the connector that moves along a straight line
To the direction of vibration decayed along Flexible Connector.
2. according to claim 1 a kind of single-degree-of-freedom linearly coupled vibration absorber it is characterised in that：Described Flexible Connector by
Wire rope damper (3) and vibration isolation rubber (6) cooperation being contained in steel wire rope loop are realized；And Flexible Connector quantity is not less than three
Set.
3. according to claim 1 a kind of single-degree-of-freedom linearly coupled vibration absorber it is characterised in that：Described linear motion connects
Part is realized with linear bearing (4) and optical axis (5)；Linear bearing (4) and optical axis (5) are separately mounted to damping block (2) and bottom
On seat board (1), and the direction of vibration that optical axis (5) is decayed axially along Flexible Connector；Described linear motion connector quantity is not
Less than three sets.
4. according to claim 3 a kind of single-degree-of-freedom linearly coupled vibration absorber it is characterised in that：Described linear bearing (4)
It is embedded with least 3 rows' axial direction ball (7) with optical axis (5) cooperation inner hole wall.
5. according to claim 1 a kind of single-degree-of-freedom linearly coupled vibration absorber it is characterised in that：Described linear motion connects
Part is realized with flange shaft sleeve (8) and optical axis (5)；Flange shaft sleeve (8) and optical axis (5) are separately mounted to damping block (2) and bottom
On seat board (1), and the direction of vibration that optical axis (5) is decayed axially along Flexible Connector；Described linear motion connector quantity is not
Less than three sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944658.2U CN205978250U (en) | 2016-08-25 | 2016-08-25 | Single degree of freedom line vibration vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944658.2U CN205978250U (en) | 2016-08-25 | 2016-08-25 | Single degree of freedom line vibration vibration damper |
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| Publication Number | Publication Date |
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| CN205978250U true CN205978250U (en) | 2017-02-22 |
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ID=58035451
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620944658.2U Active CN205978250U (en) | 2016-08-25 | 2016-08-25 | Single degree of freedom line vibration vibration damper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195103A (en) * | 2016-08-25 | 2016-12-07 | 西安坤蓝电子技术有限公司 | A kind of single-degree-of-freedom linearly coupled oscillation damping method and realize device |
| CN106960998A (en) * | 2017-03-31 | 2017-07-18 | 西安星展测控科技股份有限公司 | A kind of damping flange for base of satellite antenna |
| CN110454544A (en) * | 2019-08-12 | 2019-11-15 | 西北工业大学 | A kind of non-linear rigidity vibration-isolating platform for optoelectronic device |
-
2016
- 2016-08-25 CN CN201620944658.2U patent/CN205978250U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195103A (en) * | 2016-08-25 | 2016-12-07 | 西安坤蓝电子技术有限公司 | A kind of single-degree-of-freedom linearly coupled oscillation damping method and realize device |
| CN106195103B (en) * | 2016-08-25 | 2018-08-07 | 西安坤蓝电子技术有限公司 | A kind of single-degree-of-freedom linearly coupled oscillation damping method and realization device |
| CN106960998A (en) * | 2017-03-31 | 2017-07-18 | 西安星展测控科技股份有限公司 | A kind of damping flange for base of satellite antenna |
| CN110454544A (en) * | 2019-08-12 | 2019-11-15 | 西北工业大学 | A kind of non-linear rigidity vibration-isolating platform for optoelectronic device |
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