CN209041424U - A kind of composite non-linear energy wells vibration absorber - Google Patents
A kind of composite non-linear energy wells vibration absorber Download PDFInfo
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- CN209041424U CN209041424U CN201821410661.1U CN201821410661U CN209041424U CN 209041424 U CN209041424 U CN 209041424U CN 201821410661 U CN201821410661 U CN 201821410661U CN 209041424 U CN209041424 U CN 209041424U
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- door
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Abstract
The utility model discloses a kind of composite non-linear energy wells vibration absorbers, belong to the wind resistance and seismic resistance field of Lifting Load System of Ship-mounted Cranes suppression pendulum, building and bridge.The device includes bottom plate, X to non-liner track, Y-direction non-liner track, sphere and door；X is distributed along X-axis and Y direction respectively to non-liner track, Y-direction non-liner track, and the center of the two is distributed up and down along Z axis；X is equipped with door to the both ends of non-liner track, Y-direction non-liner track, and inside is equipped with sphere；Each sphere can be moved freely in corresponding X into non-liner track, Y-direction non-liner track, and each sphere corresponding X to non-liner track, Y-direction non-liner track each position at the direction of normal force be respectively function that sphere locates corresponding track slope at various locations.Two spheres of the utility model when moving on respective track, may point to any direction in three-dimensional space respectively, can meet device complicated damping requirements at work.
Description
Technical field
The utility model belongs to the wind resistance and seismic resistance field of Lifting Load System of Ship-mounted Cranes suppression pendulum, building and bridge, more specifically,
It is related to a kind of composite non-linear energy wells vibration absorber, using passive control system, the case where not needing input external energy
Under, by the interaction between suppression pendulum device and controlled device/structure, control force is provided, inhibits lifting load system pendulum to reach
Purpose that is dynamic or reducing structural vibration.
Background technique
When carrying out installation operation using working ship ship under complicated sea situation, the forced vibration amplitude mistake of suspension hook generation
Greatly, on working ship, suspension hook surveys amplitude of fluctuation and reaches positive and negative 10 meters (along the horizontal and vertical swing of steamer), and kinetic characteristic is
It is translatable (pendulum+rotation).The target for needing to control is to reduce the horizontal and vertical swing of suspension hook, improves construction operation efficiency.
Traditional nonlinear energy trap is a kind of passive energy absorber, by an auxiliary mass and a non-liner track
Composition, can be reduced vibration of the fixed structure by shock-excitation, but in swinging structure, Oscillation Amplitude is excessive, and its anti-work
The direction that firmly may point to is few, and effectiveness in vibration suppression is not significant enough, it is difficult to require suitable for complicated vibration damping or suppression pendulum.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of composite non-linear energy wells
Vibration absorber, one of its goals is to realize any direction of reaction force, by the compound mode of track so as to be applicable in
In complicated damping requirements.
To achieve the above object, according to the one aspect of the utility model, a kind of composite non-linear energy wells is provided and are subtracted
Vibrating device, comprising: bottom plate, X are to non-liner track, Y-direction non-liner track, sphere and door；
X is distributed along X-axis and Y direction respectively to non-liner track, Y-direction non-liner track, and the center of the two is along Z axis
Lower distribution；X is equipped with door to the both ends of non-liner track, Y-direction non-liner track, and inside is equipped with sphere；Each sphere energy
Moved freely in corresponding X into non-liner track, Y-direction non-liner track, and each sphere in corresponding X to non-liner track, Y
Direction to the normal force at each position of non-liner track is respectively that sphere locates corresponding track slope at various locations
Function.
The another object of the utility model is, by multiple energies dissipation mode, in a limited space into one in structure
Step promotes effectiveness in vibration suppression.To achieve the goals above, further, the side of each door towards corresponding sphere is equipped with damping rubber
Glue.
Further, X to non-liner track, Y-direction non-liner track be that metal is made, it is preferable that the metal be copper；Respectively
The radial direction of sphere is equipped with annular magnet.
Further, X to the geometric locus of non-liner track, Y-direction non-liner track be circular function or high order curve.
Further, X to non-liner track, Y-direction non-liner track be tubular track.
Further, door is adjustable in position of the X on non-liner track and/or Y-direction non-liner track.
Further, X is offered at least one end of non-liner track and/or Y-direction non-liner track along longitudal section direction
The end is divided into wooden fork shape by groove, and the wooden fork shape part is equipped at least one and arranges the first limit hole；The corresponding door in the end
Shape mounting groove corresponding with wooden fork shape partial cross sectional is offered on end face, and is offered on the side wall of the door and the first limit
At least one corresponding second limit hole of hole；It is inserted into the second limit hole and the first different limit holes by pin or bolt, with
The position for carrying out door adjusts and fixes.
In general, the utility model is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1, composite non-linear energy wells vibration absorber selects two non-liner tracks respectively in X and Y-direction arranged crosswise, when
Respectively when moving on respective track, the reaction force being theoretically combined may point in three-dimensional space two spheres
Any direction can meet device complicated damping requirements at work.
2, track both ends are equipped with the door for securing damping rubber, and sphere moves to the non-liner track end, sphere with
The damping rubber being mounted on door collides, and realizes the secondary dissipation of energy.According to the difference of damping rubber damping capacity,
The ability of the secondary dissipation of ability is different.
3, annular magnet is mounted to inside sphere, when sphere rolls on metal track, will form a mobile magnetic
?.At mobile magnetic field and metal/copper traces cross, magnetic induction line and conductor (i.e. metal/copper rail road) are mutually cut, thus
Vortex is generated inside metal/copper rail road, the electromagnetic force for being vortexed generation can be equivalent to a viscous damping, thus utilize galvanomagnetic-effect
Dissipation energy realizes the dissipation again of energy.
4, door is removable, so as to door position be adjusted, to adjust ball according to different usage scenario or requirement
The moving range of body, and then adjust vibration damping amplitude.
Detailed description of the invention
Fig. 1 is the perspective view of the composite non-linear energy wells vibration absorber of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the main view of Fig. 1；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is the perspective view of lid in Fig. 4.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
1- bottom plate, 2-Y is to non-liner track, and 3-X is to non-liner track, and 4-Y is to support base, and 5-X is to support base, 6- ball
Body, 7- annular magnet, 8- door, 9- damping rubber, 10- groove, the first limit hole of 11-, 12- mounting groove, 13- second are limited
Hole.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
As shown in figures 1-4, the composite non-linear energy wells vibration absorber of the preferred embodiment of the utility model, comprising: bottom
Plate 1, Y-direction non-liner track 2, X are to non-liner track 3, Y-direction support base 4, X to support base 5, sphere 6, annular magnet 7, door 8
And damping rubber 9.
Please refer to Fig. 1,4, the support base 4 and 5, the section of main part is designed to trapezoidal, and position is empty in its center
The space agreed with out with tubular track, non-liner track and support base are welded and fixed.
Two non-liner tracks of the present embodiment are tubular track, respectively in X and Y-direction arranged crosswise.X is to non-linear
Track 3 is arranged in bottom, and Y-direction non-liner track 2 is arranged in upper layer.The damping rubber of the present embodiment is preferably high-damping rubber,
Such as HDR.Each track both ends are fitted with the door 8 for securing high-damping rubber 9.When two spheres 6 are respectively in respective pipe
When rolling in road, the reaction force being theoretically combined may point to any direction in three-dimensional space, can meet device and work
The damping requirements of middle complexity.When sphere 6 moves to the end of non-liner track 2,3, with the high-damping rubber being mounted on door 8
9 collide, and secondary dissipation energy (if being not provided with damping rubber 9, collides some energy that can also dissipate, damping rubber 9 is arranged
Energy dissipation capability can be greatly enhanced later).In addition annular magnet 7 (the present embodiment is permanent magnet) is mounted to 6 the inside of sphere, when
Sphere 6 rolls inside metallic conduit, will form a mobile magnetic field.The metal of the present embodiment is copper, in mobile magnetic field
It when intersecting with copper tube, results in magnetic induction line and conductor is mutually cut, to generate vortex inside copper tube, be vortexed generation
Electromagnetic force can be equivalent to a viscous damping, thus utilize galvanomagnetic-effect dissipation energy.
When the sphere 6 is rolled around along non-liner track, the reaction force of track upper sphere is transferred to track
On the primary structure of attachment.The direction of normal force between sphere and track be sphere track at each position slope
Function.
Circular function, 4 function curves and more high reps function curve can be used in the orbital curve of the non-liner track.
Fig. 1 and Fig. 3~5 are please referred to, the non-liner track 2,3 makes a call to the first limit in tubular track difference corresponding position
Position hole 11 (the present embodiment is threaded hole), the vertical median plane position of pipeline outputs groove 10, door 8 is enable to pass through mounting groove
12, which are inserted in pipeline, is moved.
The door 8 of the present embodiment is bolted on non-liner track, is beaten on 90 degree and 270 degree of directions, door
Through-hole makes a call to the second limit hole 13 (the present embodiment is threaded hole) in the side wall of corresponding pipeline, install using 2 bolts solid
It is fixed.In order to guarantee the stability of installation, on door on the basis of fixed using 2 bolts, it is also necessary to use 8 screws
It is auxiliarily fixed.Screw is compressed or is embedded in a part with its end, (such as solid for the position fixed between two parts
Determine damping rubber 9).Door 8 can be mounted on the different location of pipeline by the difference of the first limit hole 11 used.
In other embodiments, the shape of non-liner track is not limited to tubulose, is also possible to several non-linear bars according to excellent
Select the shape of the tubular track of embodiment to carry out arrangement and surround non-liner track, or by the tubular track of preferred embodiment with
The identical bar substitution of its centre line shape, sphere cover on bar along bar sliding etc..
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of composite non-linear energy wells vibration absorber characterized by comprising bottom plate (1), X are to non-liner track (3), Y
To non-liner track (2), sphere (6) and door (8)；
X is distributed along X-axis and Y direction respectively to non-liner track (3), Y-direction non-liner track (2), and the center of the two is along Z axis
Distribution up and down；X is equipped with door (8) to the both ends of non-liner track (3), Y-direction non-liner track (2), and inside is equipped with ball
Body (6)；Each sphere (6) can move freely in corresponding X into non-liner track (3), Y-direction non-liner track (2), and each sphere
(6) corresponding X to non-liner track (3), Y-direction non-liner track (2) each position at the direction of normal force be respectively
Sphere (6) locates the function of corresponding track slope at various locations.
2. a kind of composite non-linear energy wells vibration absorber as described in claim 1, which is characterized in that each door (8) direction
The side of corresponding sphere (6) is equipped with damping rubber.
3. a kind of composite non-linear energy wells vibration absorber as claimed in claim 1 or 2, which is characterized in that X is to non-linear rail
Road (3), Y-direction non-liner track (2) are that metal is made；The radial direction of each sphere (6) is equipped with annular magnet (7).
4. a kind of composite non-linear energy wells vibration absorber as claimed in claim 3, which is characterized in that X is to non-liner track
(3), Y-direction non-liner track (2) be copper at.
5. a kind of composite non-linear energy wells vibration absorber as claimed in claim 1 or 2, which is characterized in that X is to non-linear rail
Road (3), Y-direction non-liner track (2) geometric locus be circular function or high order curve.
6. a kind of composite non-linear energy wells vibration absorber as claimed in claim 5, which is characterized in that X is to non-liner track
(3), Y-direction non-liner track (2) is tubular track.
7. a kind of composite non-linear energy wells vibration absorber as claimed in claim 1 or 2, which is characterized in that door (8) is in X
Position on non-liner track (3) and/or Y-direction non-liner track (2) is adjustable.
8. a kind of composite non-linear energy wells vibration absorber as claimed in claim 7, which is characterized in that X is to non-liner track
(3) and/or at least one end of Y-direction non-liner track (2) along longitudal section direction offers groove (10), which is divided into wooden fork
Shape, and the wooden fork shape part is equipped at least one and arranges the first limit hole (11)；It is opened up on the end face of the corresponding door in the end (8) tangible
Shape mounting groove (12) corresponding with wooden fork shape partial cross sectional, and offered on the side wall of the door (8) and the first limit hole (11)
At least one corresponding second limit hole (13)；Pass through pin or bolt insertion the second limit hole (13) and the first different limits
Hole (11) adjusts and fixes to carry out the position of door (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821410661.1U CN209041424U (en) | 2018-08-30 | 2018-08-30 | A kind of composite non-linear energy wells vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821410661.1U CN209041424U (en) | 2018-08-30 | 2018-08-30 | A kind of composite non-linear energy wells vibration absorber |
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| CN209041424U true CN209041424U (en) | 2019-06-28 |
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| CN201821410661.1U Active CN209041424U (en) | 2018-08-30 | 2018-08-30 | A kind of composite non-linear energy wells vibration absorber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895114A (en) * | 2018-08-30 | 2018-11-27 | 华中科技大学 | A kind of composite non-linear energy wells vibration absorber |
| CN113931804A (en) * | 2021-10-13 | 2022-01-14 | 福州大学 | Double-ring type multifunctional nonlinear energy trap for offshore wind turbine and construction method thereof |
| CN117235855A (en) * | 2023-09-15 | 2023-12-15 | 中国长江三峡集团有限公司 | Nonlinear energy trap of wind power tower and control method |
-
2018
- 2018-08-30 CN CN201821410661.1U patent/CN209041424U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895114A (en) * | 2018-08-30 | 2018-11-27 | 华中科技大学 | A kind of composite non-linear energy wells vibration absorber |
| CN108895114B (en) * | 2018-08-30 | 2024-03-19 | 华中科技大学 | Composite nonlinear energy trap vibration damper |
| CN113931804A (en) * | 2021-10-13 | 2022-01-14 | 福州大学 | Double-ring type multifunctional nonlinear energy trap for offshore wind turbine and construction method thereof |
| CN113931804B (en) * | 2021-10-13 | 2023-01-31 | 福州大学 | Double-ring type multifunctional nonlinear energy trap for offshore wind turbine and construction method thereof |
| CN117235855A (en) * | 2023-09-15 | 2023-12-15 | 中国长江三峡集团有限公司 | Nonlinear energy trap of wind power tower and control method |
| CN117235855B (en) * | 2023-09-15 | 2024-05-07 | 中国长江三峡集团有限公司 | Nonlinear energy trap of wind power tower and control method |
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