CN206386235U - Suppress building enclosure oscillation crosswise and protect the device of tilting member - Google Patents
Suppress building enclosure oscillation crosswise and protect the device of tilting member Download PDFInfo
- Publication number
- CN206386235U CN206386235U CN201621493547.0U CN201621493547U CN206386235U CN 206386235 U CN206386235 U CN 206386235U CN 201621493547 U CN201621493547 U CN 201621493547U CN 206386235 U CN206386235 U CN 206386235U
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- China
- Prior art keywords
- tilting member
- building enclosure
- flexible pocket
- oscillation crosswise
- swing
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/82—Arrangement of components within nacelles or towers of electrical components
- F03D80/85—Cabling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/50—Kinematic linkage, i.e. transmission of position
- F05B2260/502—Kinematic linkage, i.e. transmission of position involving springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a kind of device for suppressing building enclosure oscillation crosswise and protecting tilting member, including the first flexible pocket, the second flexible pocket and pressure regulating part；When tilting member and building enclosure are collided, first flexible pocket and the second flexible pocket first buffer the part kinetic energy that tilting member is absorbed by compression, orderly mechanical kinetic energy is converted into the unordered heat energy of fluid media (medium), and then the kinetic energy that tilting member hits building enclosure is reduced, play a part of suppressing building enclosure oscillation crosswise to a certain extent；And pressure regulating part adjusts the pressure of the first flexible pocket and/or the second flexible pocket interior fluid mediums to convenient pressure, in knockout process, first flexible pocket and the second flexible pocket are produced reverse active force by compression, the opposition reversely pushes back tilting member, so that the tilting member and the direction of vibration of the building enclosure are on the contrary, further cut down the oscillation crosswise of building enclosure.
Description
Technical field
It is more particularly to a kind of to suppress building enclosure oscillation crosswise and protection swing the present invention relates to tower vibrotechnique field
The device of part.
Background technology
Wind power generating set is a kind of device for converting wind energy into electric energy, and it includes tower 9, is placed in the top of tower 9
Wind turbine 1 and generator 2, the top of tower 9 are provided with cabin 4, and generator 2 and generator contactor cabinet 4 are respectively positioned in cabin 4
Portion.Wind turbine 1, which absorbs wind energy and is converted into rotating mechanical energy, is transferred to generator 2, is converted into rotating mechanical energy through generator 2
Electric energy.
Generator 2 is connected with cable 5, and cable 5 transmits the electric energy that generator 2 is produced to the unsteady flow positioned at the bottom of tower 9
Cabinet 10.The cross-sectional area of unit cable 5 substantially 185mm2Or 240mm2, it is frequently connected on a generator 2 be used for electric energy
The quantity of the cable 5 of transmission has several (having more than ten sometimes).Cabin 4 is generally rotatablely installed in the top of tower 9, to adapt to wind wheel
Machine 1 catches wind energy.In the rotation process of cabin 4, the cable 5 being connected on generator 2 is also required to while twisting therewith.
There is fatigue damage to reduce the long term frequent torsion work of cable 5, the torsion of current cable 5 is by the epimere of cable 5
Share, i.e., the cable 5 for the certain length that hung vertically from top down undertakes the torsion of cable 5.Such as cable 5 hangs down from top vertical
The torsion for falling 15 to 20 meters, 180 ° averraged by this 15 to 20 meters, and so every meter average maximum deflection angle is 9-12 °/
m.The hypomere of cable 5 then runs to the wall of tower 9 by similar saddle camber support 8, is fixed by the clamping plate of cable 5, connector, fastener
Near the wall of tower 9.
Tower 9 is usually steel tube structure, and the thickness of steel cylinder is smaller, and height is higher, about tens meters.In the course of work
In, because external wind power effect tower 9 can produce a certain degree of swing, correspondingly, the epimere of cable 5 hung vertically is because of upper end
Connection is located at the generator 2 at the top of tower 9, is waved in cabin 4 under traction force, the epimere of cable 5 hung vertically can also be produced
Raw to swing, because the epimere of cable 5 has the hysteresis quality of certain time with the swing of tower 9, therefore the swing process of cable 5 can hit tower 9
Inwall.In order to avoid cable 5 and tower 9 hit the potential safety hazard brought, back-up ring 6 is additionally provided with tower 9, back-up ring 6 passes through
Fixed plate 7 is fixedly connected with the inwall of tower 9, and the cable 5 hung vertically is limited to inside back-up ring 6.
In order to not influence cable 5 to be reversed with cabin 4, there is predetermined gap, substantially tens millimeters between cable 5 and back-up ring 6.
When lower swing is drawn in the top of cable 5 in cabin 4, cable 5 still can produce shock with the inwall of back-up ring 6.
The own wt of cable 5 is larger, generally 400Kg-800Kg, under strong wind, high turbulence intensity, the reciprocally swinging of cable 5
While the vibration frequency of itself can also increase, cable 5 is by Action of Gravity Field, to being used for the cable for promoting cable 5 to set in cabin 4
The tenesmus effect that 5 string bags are produced is increased.The string bag of cable 5 is under the tenesmus active force effect of this alternation, and rope is strangled into cable 5
Insulating barrier, destruction insulation cause electric leakage, short circuit to be caught fire.Wind turbines fire attack is difficult.
Also, when the horizontal swing frequency of cable 5 is in the top of tower 9 consistent (or close), due to the own wt of cable 5
Larger (400-800Kg), practical upper bound end is in the switch board of 9 nacelle atop of tower 4, away from the bottom foundation of tower 9, tower 9
Top receives cable 5 and swings the cyclical loads applied, can only aggravate horizontal swing amplitude, the basis of destruction tower 9.
On the other hand, the wind energy conversion system after the horizontal swing of tower 9 amplitude is increased for wind power generating set is totally unfavorable, reduction
The blade of wind turbine 1 absorbs wind energy.
Therefore, the service life and safety in utilization of cable and tower how are improved, and improves wind power generating set
Generating efficiency, is those skilled in that art's technical problem urgently to be resolved hurrily.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of suppression building enclosure oscillation crosswise and protects tilting member
Device, including with lower component：
First flexible pocket and the second flexible pocket, are respectively arranged at building enclosure and the impingement area both tilting member；It is described
Fluid media (medium) is filled with first flexible pocket and second flexible pocket.
So, when tilting member and building enclosure are collided, both are touched by the first flexible pocket and the second flexible pocket
Contact is hit, because being filled with fluid media (medium) inside the first flexible pocket and the second flexible pocket, so when both collide, the first flexible pocket
The part kinetic energy that tilting member is absorbed by compression is first buffered with the second flexible pocket, orderly mechanical kinetic energy is converted into fluid media (medium)
Unordered heat energy, and then the kinetic energy that tilting member hits building enclosure is reduced, it is horizontal that suppression building enclosure is played to a certain extent
To the effect of vibration.
By taking tower and cable as an example, cable and the spacing back-up ring knockout process energy that is arranged in tower are by flexible pocket
Gas or liquid absorption, especially under strong wind, high turbulence intensity, the vibration frequency of itself also can while cable reciprocally swinging
Increase, cable is by Action of Gravity Field, at this moment to being promoted at engine room control cabinet cable outlet under the cable string bag generation that cable is set
Pendant effect is substantially weakened, that is, caused by the swing of lower end knockout process energy by absorption of fluids a part, by
This, the fluctuating range that the bearing down of upper end is delivered to from cable lower is weakened, and solves the release ring of knockout process energy
The effect of section and knockout process out-of-balance force by fluid disordering, by directive horizontal out-of-balance force, i.e. impact by
Fluid is uniformed, and homogenization, which represents all directions, to be had, natural with regard to internal consumption.The tenesmus of this alternation suffered by the cable string bag
Active force is not almost caught in lower end.Rope is strangled into cable insulation, destruction insulation by wave force and receives control, thoroughly
Eliminate the very stiff and demanding situation of prior art.
Disordering herein is to be based on the second law of thermodynamics, from energy figure this evaluation method of height to cable and limit
Position back-up ring, which hits, carries out substantial energy conversion statement, i.e.,：By high-quality mechanical energy (mechanical energy that cable flexing process is carried)
Dissipated or partially absorbed by fluid (gas or liquid) by hitting.Dissipate or absorb and mechanical energy is changed into low-grade nothing
Sequence energy, is spontaneous process.This dissipation process is the high-quality machine that cable 60 is passed to being swung laterally by atop a tower
Tool can be finally dissipated in natural environment and is gone for ever to low-grade heat mechanics transformation of energy.
Optionally, in addition to：
Pressure regulating part, for adjusting first flexible pocket and/or the second flexible pocket interior fluid mediums
Pressure, to cut down the oscillation crosswise of the building enclosure.
Optionally, in addition to limiting component, the amplitude of fluctuation of end is swung for limiting the tilting member, it is described spacing
Part is fixed on the building enclosure, and first flexible pocket is arranged at the limiting component.
Optionally, the limiting component includes spacing back-up ring and for the spacing back-up ring to be fixed on into the building enclosure
On support component；First flexible pocket is arranged at the internal perisporium of the spacing back-up ring.
Optionally, the quantity of the support component is multiple, and circumference of each support component along the spacing back-up ring is
Even arrangement.
Optionally, each support component is resilient support assemblies, including telescopic elastomeric element, the elastomeric element
Two ends connect the spacing back-up ring and the building enclosure respectively.
Optionally, in addition at least two resilient support assemblies, each resilient support assemblies are along the circumferential cloth of tilting member
Put, the resilient support assemblies include telescopic elastomeric element, the elastomeric element is positioned at the tilting member and gone along with sb. to guard him
Between structure.
Optionally, the circumferentially fixed of the tilting member has sheath, and the inner end of each elastomeric element is fixedly connected with institute
State sheath.
Optionally, in addition to spacing back-up ring, the swinging end portion of the tilting member is located at the spacing back-up ring after installation
Inside, the inner end of each elastomeric element is fixedly connected with the spacing back-up ring.
Optionally, the resilient support assemblies also include stiffness tuning part, and the stiffness tuning part is used to adjust institute
The length of elastomeric element is stated to change its rigidity.
Optionally, in addition to：
Obtaining widget, the swing parameter for obtaining the building enclosure and/or the tilting member；
Control unit, according to the swing state modulator of acquisition pressure regulating part adjust the first flexible pocket or
Person/and the second flexible pocket internal pressure, swash so that application is opposite with the building enclosure or tilting member swing
Encourage in tilting member, to control intrinsic frequency of the hunting frequency away from the building enclosure of the tilting member.
Optionally, the control unit the first flexible pocket or/and institute according to the swing parameter regulation of acquisition
The second flexible pocket internal pressure is stated, so that the swaying direction of the tilting member is opposite with the swaying direction of the building enclosure；
Or,
The control unit first flexible pocket or described second soft according to the swing parameter regulation of acquisition
Property capsule internal pressure, so that the tilting member is to first flexible pocket or the collision frequency of second flexible pocket
Reduction, or the shock pressure produced in collision process to first flexible pocket or second flexible pocket is not
It is disconnected to reduce.
Optionally, the obtaining widget is vialog, and the swing parameter is the wobble amplitude at the top of the building enclosure
Or oscillating acceleration or hunting frequency；
Or, the obtaining widget is displacement transducer, and the swing parameter is the swing displacement at the top of building enclosure；
Or, the obtaining widget is acceleration transducer, and the swing parameter is that the swing at the top of building enclosure accelerates
Degree.
Optionally, the fluid media (medium) that first flexible pocket and second flexible pocket inside are filled is gas or liquid
Body.
Optionally, first flexible pocket and second flexible pocket are layering or combination hierarchy.
Brief description of the drawings
Fig. 1 is the structural representation of blower fan generating set in the prior art；
Fig. 2 is the knot of suppression building enclosure oscillation crosswise and the device for protecting tilting member in the first embodiment of the invention
Structure schematic diagram；
Fig. 3 is cable, the cross section view of spacing back-up ring position；
Fig. 4 is the first flexible pocket and the second flexible pocket collision principle figure；
Fig. 5 is the device of suppression building enclosure oscillation crosswise in embodiment in the first embodiment and protection tilting member
Control block diagram；
Fig. 6 is the control method flow chart of suppression building enclosure oscillation crosswise in an embodiment of the present invention；
Fig. 7 is not cable, the swing state schematic diagram of tower in the same time；
Suppress building enclosure oscillation crosswise in Fig. 8 second of embodiment of the present invention and protect the structure of the device of tilting member
Schematic diagram；
Fig. 9 is the knot of suppression building enclosure oscillation crosswise and the device for protecting tilting member in the third embodiment of the invention
Structure schematic diagram；
Figure 10 is the control method flow chart of suppression building enclosure oscillation crosswise in second of embodiment of the invention；
Figure 11 is the structure chart of stiffness tuning part in a kind of specific embodiment of the invention；
Figure 12 is the structure chart of spin thread mechanism in a kind of specific embodiment of the invention；
Figure 13 is suppression building enclosure oscillation crosswise and protection tilting member in another embodiment of the invention
The control block diagram of device；
Figure 14 is the structural representation of wind power generating set；
Figure 15 is the device of suppression building enclosure oscillation crosswise and protection tilting member in another embodiment of the invention
Structural representation；
Figure 16 is the structural representation of pressure sensor layer；
Figure 17 is the structural representation of actuator layer；
Figure 18 is the control method flow chart of suppression building enclosure oscillation crosswise in the third embodiment of the invention.
Wherein, in Fig. 1：
1 wind turbine, 2 generators, 3 generator contactor cabinets, 4 cabins, 5 cables, 6 back-up rings, 7 fixed plates, 8 saddle camber supports, 9
Tower, 10 converter cabinets；
Wherein, Fig. 2 to Fig. 5, Fig. 7 to Figure 11, Figure 14 into Figure 17：
11 first flexible pockets, 11a resists wearing layer, 12 second flexible pockets, 13 spacing back-up rings；14 cable cover(ing)s；15 pressure
Source, 16 pipelines, 17 pressure sensors, 18 vialogs；19 displacement transducers；
20 resilient support assemblies；Pressure sensor 21；
30 spin thread mechanisms, 31 sleeves, 32 first shaft parts, 33 second shaft parts, 34 housings, 35 coils, 36 bearings, 37 determine
Position support；381 short-circuited conducting sleeves；382 short-circuited conducting sleeves；391 first magnetic conductive parts；392 second magnetic conductive parts；
40 actuator；
50, tower, 60 cables.
Embodiment
The technology produced with " cable reciprocally swinging is to the part such as its own and the cable string bag " for being mentioned in background technology
Based on problem, further investigation is entered herein, and propose the technical scheme for solving above-mentioned technical problem.
Herein using building enclosure as tower, tilting member is certainly in the art exemplified by tilting member, to introduce technical scheme
It will be appreciated by the skilled person that building enclosure is not limited to tower, can also be.
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying example, the present invention is described in further detail.
Fig. 2 to Fig. 4 is refer to, Fig. 2 is suppression building enclosure oscillation crosswise and protection pendulum in the first embodiment of the invention
The structural representation of the device of dynamic component；Fig. 3 is cable, the cross section view of spacing back-up ring position；Fig. 4 is the first flexible pocket
With the second flexible pocket collision principle figure.
The invention provides a kind of device for suppressing building enclosure oscillation crosswise and protecting tilting member, including the first flexibility
The flexible pocket 12 of capsule 11 and second, wherein the first flexible pocket 11 and the second flexible pocket 12 are respectively arranged at building enclosure and tilting member
On the contact surface of the two, the i.e. impingement area of the two.The inside of first flexible pocket 11 and the second flexible pocket 12 is filled with fluid Jie
Matter.
So, when tilting member and building enclosure are collided, both pass through the first flexible pocket 11 and the second flexible pocket
12 making contacts, because being filled with fluid media (medium) inside the first flexible pocket 11 and the second flexible pocket 12, so when both collide, the
One flexible pocket 11 and the second flexible pocket 12 first buffer the part kinetic energy that tilting member is absorbed by compression, and orderly mechanical kinetic energy is turned
The unordered heat energy of fluid media (medium) is turned to, and then reduces the kinetic energy that tilting member hits building enclosure, suppression is played to a certain extent
The effect of building enclosure oscillation crosswise processed.
By taking tower 50 and cable 60 as an example, cable 60 and the knockout process energy quilt of spacing back-up ring 13 being arranged in tower 50
Gas or liquid absorption in flexible pocket, especially under strong wind, high turbulence intensity, while 60 reciprocally swinging of cable itself
Vibration frequency can also be increased, and at this moment cable 60 is promoted cable 60 to set in the exit of engine room control cabinet cable 60 by Action of Gravity Field
The string bag of cable 60 produce tenesmus effect substantially weakened, that is, caused by the swing of lower end knockout process energy quilt
An absorption of fluids part, thus, the fluctuating range for the bearing down for being delivered to upper end from the lower end of cable 60 is weakened, and is solved
The release link of knockout process energy and the effect of knockout process out-of-balance force are by fluid disordering, by directive transverse direction not
Equilibrant force, i.e. impact are uniformed by fluid, and homogenization, which represents all directions, to be had, natural with regard to internal consumption.Cable 60
The tenesmus active force of this alternation suffered by the string bag is not almost caught in lower end.Rope is strangled by wave force to insulate into cable 60
Layer, destruction insulation receive control, thoroughly eliminate the very stiff and demanding situation of prior art.
Disordering herein is to be based on the second law of thermodynamics, from energy figure this evaluation method of height to cable 60 with
Spacing back-up ring 13, which hits, carries out substantial energy conversion statement, i.e.,：By the high-quality mechanical energy (machine that the swing process of cable 60 is carried
Tool energy) dissipated or partially absorbed by fluid (gas or liquid) by hitting.Dissipate or absorb and mechanical energy is changed into low product
The unordered energy of position, is spontaneous process.This dissipation process is to passing to cable 60 by the horizontal swing of the top of tower 50
High-quality mechanical energy is finally dissipated in natural environment and is gone for ever to low-grade heat mechanics transformation of energy.
Certainly, the above-mentioned flexible pocket 12 of first flexible pocket 11 and second can also use the parts such as sponge.
Also, pressure regulating part is further provided with the present invention, for adjusting the first flexible pocket 11 and/or second
The pressure of the interior fluid mediums of flexible pocket 12, both internal pressures are adjusted to convenient pressure, in knockout process, and first is soft
Property the flexible pocket 12 of capsule 11 and second reverse active force is produced by compression, the opposition reversely pushes back tilting member, with
Make the tilting member opposite with the direction of vibration of the building enclosure.
Certainly, pressure regulating part is the parts that match with fluid media (medium) in flexible pocket, including pressure source 15 and pressure
Solenoid road 16, pressure-control valve and flow control valve (not shown in Fig. 2).When fluid media (medium) is liquid, pressure source can be with
For hydraulic pump, when fluid media (medium) is gas, pressure source can be air compressor machine.Pressure regulating part can be installed on tower 50
On, it can also be installed on ground.Concrete structure on pressure regulating part does not do specific introduction herein.
Above-mentioned first flexible pocket 11 and second flexible pocket 12 are layering or combination hierarchy.First flexible pocket 11
Impact surfaces resistance wearing layer 11a can be set.
Incorporated by reference to Fig. 5 and Fig. 6, Fig. 5 is suppression building enclosure oscillation crosswise and protection in embodiment in the first embodiment
The control block diagram of the device of tilting member；Fig. 6 is the controlling party of suppression building enclosure oscillation crosswise in an embodiment of the present invention
Method flow chart.
The suppression building enclosure oscillation crosswise device of above-mentioned flexible pocket can be controlled by following control method, specifically
Method is：
S10, default contact of first flexible pocket 11 with the second flexible pocket 12 respectively at building enclosure with both tilting members
Face；
S11, acquisition building enclosure or tilting member swing parameter；
Correspondingly, in order to realize Automated condtrol, obtaining widget can be included by suppressing building enclosure oscillation crosswise device, be obtained
Part is taken to be used to obtain building enclosure and/or the swing parameter of tilting member.Obtaining widget can be vialog 18, be installed on
The side wall of building enclosure, it is the wobble amplitude or oscillating acceleration or hunting frequency at the top of building enclosure to swing parameter；
Or, obtaining widget is displacement transducer 19, can be arranged at the top of building enclosure (tower), as shown in fig. 7, pendulum
Dynamic parameter is the swing displacement at the top of building enclosure；
Or, obtaining widget is acceleration transducer, and it is the oscillating acceleration at the top of building enclosure to swing parameter.
The hunting frequency that parameter can also be building enclosure is swung, correspondingly, obtaining widget is to be installed on tilting member phase
Answer the vialog of position.
It can also be the shock pressure between tilting member and building enclosure to swing parameter, correspondingly, and obtaining widget is pressure
Force snesor.
Certainly, it can also be the parameters such as amplitude, oscillating acceleration or the hunting frequency of tilting member to swing parameter.
S12, the pressure according to swing parameter regulation the first flexible pocket 11 and/or the interior fluid mediums of the second flexible pocket 12,
To apply the excitation opposite with building enclosure or tilting member swing in tilting member, to control the hunting frequency of tilting member
Intrinsic frequency away from building enclosure.
Whether the pressure of the first flexible pocket 11 and/or the interior fluid mediums of the second flexible pocket 12 is adjusted in place can be by installing
Pressure sensor 17 in flexible pocket surface detects, as shown in Figure 2.Certain above-mentioned flexible pocket of first flexible pocket 11 and/or second
The pressure of 12 interior fluid mediums can also be detected by parts such as the pressure gauges that is installed in pressure regulating part.
That is, the pressure of the interior fluid mediums by adjusting the first flexible pocket 11 and/or the second flexible pocket 12, can
To apply an excitation opposite with building enclosure swing to tilting member, it so can reversely be pind down and gone along with sb. to guard him by tilting member
Structure, cuts down the horizontal swing of building enclosure.One and tilting member can also be applied by adjusting the internal pressure of flexible pocket
Opposite excitation is swung, weakens the swing of tilting member, correspondingly, the tractive force that tilting member puts on building enclosure is also corresponding
Reduce, the horizontal swing amplitude of building enclosure can also be reduced.
Correspondingly, suppress building enclosure oscillation crosswise and protect the device of tilting member to include control unit, control unit
According to swing parameter regulation the first flexible pocket 11 of acquisition and the pressure of the interior fluid mediums of the second flexible pocket 12, apply conversely
Encourage in tilting member, to control intrinsic frequency of the hunting frequency away from the building enclosure of the tilting member.So may be used
To avoid the swing induction of tilting member from being resonated with building enclosure.Control unit can be arranged at ground, be easy to operator
Member's manipulation.
Swinging conversely can be opposite for swaying direction, or oscillating acceleration is opposite.
Step S12 is specifically as follows：According to swing parameter regulation the first flexible pocket 11 of acquisition or the second flexible pocket
12 internal pressures, so that the swaying direction of tilting member is opposite with the swaying direction of building enclosure；Or, according to the swing of acquisition
Parameter regulation the first flexible pocket 11 or the internal pressure of the second flexible pocket 12 so that tilting member to the first flexible pocket 11 or
The collision frequency of person/and the second flexible pocket 12 is reduced, or in collision process it is flexible to the first flexible pocket 11 or/and second
The shock pressure that capsule 12 is produced constantly is reducing.First flexible pocket 11, the second flexible pocket 12 are at least passed containing a pressure respectively
Sensor, two pressure sensor connection control units, the forward path for sensor data acquisition of control unit is also included
To the measuring circuit of the mutual collision frequency of one or two flexible pocket.The measuring circuit can be reflected in flexible pocket in knockout process
Pressure changing when being compressed or being released (pressure recover, go up).Specifically, in flexible pocket by compression process, its
Internal pressure is raised；Flexible pocket is during being released, and the reduction of its pressure, normality of the pressure to before not hitting are recovered.This pressure
The change of power, by rise, reduction, raises ..., the triggered device of variable signal of non electrical quantity pressure in flexible pocket is converted into arteries and veins again
Signal output is rushed, then is counted with counter pulse signals (number of pulses), that is, obtains the mutual collision frequency of flexible pocket.Or
Become analog output through signal converter by trigger, the size variation of the amplitude of analog output reflects the change of collision frequency
Change.This is also achieved that a kind of measurement of pressure sensor to shock pressure, collision frequency.By taking tilting member as an example, in work
When, control unit control pressure regulating member is adjusted according to the swing parameter (collision frequency, shock pressure) of the tilting member of acquisition
Save in (being raised and lowered) the first flexible pocket 11 or the internal pressure of the second flexible pocket 12, continuous measurement predetermined amount of time
The swing parameter of tilting member, obtains the swing parameter variation tendency, if these swing (increase) of parameter diverging, controls
Part opposite direction regulation (reduction is raised) the first flexible pocket 11 or the internal pressure of the second flexible pocket 12, so circulation, with
This analogizes, the reduction of the regulation target final until reaching, i.e. collision frequency and/or shock pressure reduction.
It refer to Fig. 7, Fig. 7 is not cable 60, the swing state schematic diagram of tower 50 in the same time
For example at a time, when building enclosure is swung to the left, by adjusting the first flexible pocket 11 and the second flexible pocket 12
Pressure, it is possible to achieve tilting member is swung to the right.Three moment cables 60, tower 50 are shown by taking Fig. 7 as an example, in Fig. 7
Tower 50 is swung to the right in swing state, left figure and the displacement of tower top is S, makes cable by adjusting flexible pocket internal pressure this moment
60 swing to the left, and swing angle is θ；Tower 50 and cable 60 are simultaneously in an intermediate position in middle graph；Tower 50 is pushed up in right figure
Portion swings and swings displacement for S to the left, cable 60 is swung to the right by adjusting flexible pocket internal pressure this moment, swing angle is
θ.That is tilting member and building enclosure swaying direction is further weakened and goes along with sb. to guard him knot on the contrary, the swing of building enclosure can be pind down
The amplitude of fluctuation or acceleration of structure.
Certainly, by rationally controlling to realize tilting member with the direction of vibration at the top of building enclosure on the contrary, and with enclosing
The vibration frequency at the top of protection structure is consistent.
In a kind of embodiment, suppress building enclosure oscillation crosswise and protect the device of tilting member also to include limit
Position part, the amplitude of fluctuation for limiting tilting member, limiting component is fixed on building enclosure.It is by tower 50 of building enclosure
Example, limiting component is usually spacing back-up ring, and spacing back-up ring is mainly installed on inside tower 50, positioned at the epimere of tower 50, plays limit
Make the effect of the swing of 15 to the 20 meters of cables 60 hung from nacelle top.The quantity of spacing back-up ring can be for two or more
It is individual, arrange from top to bottom, the portion of hanging of cable 60 sequentially passes through spacing inner retainer.
Spacing back-up ring 13 can be fixedly connected with the inwall of tower 50 by support component, and the first flexible pocket 11 is arranged at spacing
The internal perisporium of back-up ring 13, the periphery wall of the cable 60 corresponding with spacing back-up ring 13 is provided with the second flexible pocket 12.
For connection reliability, the quantity of support component can be multiple, and each support component can be radially extended, each
Support component is arranged circumferentially along spacing back-up ring 13.
Under the thinking that energy above absorbs, the present invention, which is also provided, another can cut down the knot of building enclosure oscillation crosswise
Structure and control method.
It refer in Fig. 8 to Fig. 9, Fig. 8 second of embodiment of the present invention and suppress building enclosure oscillation crosswise and protection swing
The structural representation of the device of part；Fig. 9 is suppression building enclosure oscillation crosswise and protection pendulum in the third embodiment of the invention
The structural representation of the device of dynamic component.
In second of specific embodiment and the third embodiment, suppress building enclosure oscillation crosswise and protection in the present invention
The device of tilting member also includes at least two resilient support assemblies 20, and each resilient support assemblies 20 are along the circumferential cloth of tilting member
Put, resilient support assemblies 20 include radially telescopic elastomeric element, elastomeric element is positioned at tilting member and building enclosure.
The inner end one and cable of elastomeric element unlike second of specific embodiment and the third specific embodiment
60 are fixedly connected, and another one is connected with spacing back-up ring.It should be noted that elastomeric element is determined close to one end of cable 60 herein
Justice is inner end, and the other end close to tower is defined as outer end.
In second of specific embodiment, the circumferentially fixed of tilting member has sheath, and the inner end of each elastomeric element, which is fixed, to be connected
Connect sheath.So that tilting member is cable 60 as an example, the inner end of elastomeric element can be fixedly connected on cable 60, such as Fig. 8 institutes
Show, the sheath 14 of cable 60 that the inner end of elastomeric element is fixed on cable 60 is given in Fig. 8 and is fixedly connected, so in cable
Compressed all the time or elongated elastomeric member in 60 swing process.
In addition, setting the not shown support component that spacing back-up ring is fixed in tower 50 in flexible pocket position in Fig. 8.
In the third specific embodiment, the inner end of elastomeric element is fixedly connected on spacing back-up ring, as shown in Figure 9 electricity
Cable 60 is located at the inside of spacing back-up ring 13 and circumferential with predetermined gap a with spacing back-up ring 13.
So, after cable 60 is collided to spacing back-up ring 13, compression or elongated elastomeric member are just started.
Spacing back-up ring is identical with the spacing back-up ring effect in embodiment 1, for limiting displacement when tilting member is swung, pendulum
Dynamic component is generally disposed at spacing inner retainer, during vibration, and tilting member is collided with spacing back-up ring inwall.
Elastomeric element can be radially extended, and preferred resilient members are spring.
Suppression building enclosure oscillation crosswise and protection in second of specific embodiment and the third specific embodiment are swung
The device of part can be dissipated and be stored the vibrational energy of tilting member by elastomeric element, cut down the vibration of tilting member, entered
And reduce the tractive force that tilting member puts on the top of tower 50, advantageously reduce the oscillation crosswise at the top of tower 50.
Suppress building enclosure oscillation crosswise and protection swing part in second of specific embodiment and the third specific embodiment
The device of part can be used alone, and can also be used in combination or combine with the flexible pocket scheme in the first specific embodiment makes
With.Suppression building enclosure oscillation crosswise and protection swing part in two or more above-described embodiments is set in tower 50
The device of part.
Referring again to Fig. 9, in the 4th kind of specific embodiment, suppress building enclosure oscillation crosswise and protection tilting member
Device also includes stiffness tuning part.
The rigidity acting as regulation elasticity part of stiffness tuning part, stiffness tuning part regulation elasticity preferably
The length of part is to change the rigidity of elastomeric element, to cut down the oscillation crosswise of the building enclosure.Elastomeric element, such as bullet
Spring, its rigidity is the ratio between load increment dF and incremental deformation d λ, that is, produces the load needed for unit deformation, the Rigidity Calculation of spring
Formula is F'=dF/d λ.Here from the spring that characteristic line is cumulative type, its rigidity increases with the increase of load.
By the combination of elastomeric element and stiffness tuning part, the mechanical energy (storage of tilting member swing process is absorbed first
Can), it is used for actively exciting suspended swinging part to swing when elastomeric element stretches, by the stiffness reliability electricity for adjusting elastomeric element
The accumulation of energy of compression process, i.e., be used to give tilting member supplement by the hunting frequency of cable 60 and amplitude by elastomeric element when stretching
Energy needed for horizontal swing amplitude.
4th kind of embodiment is the combination of the first specific embodiment and the second specific embodiment, the first specific implementation
In order to further buffer impact of the grade tilting member of cable 60 to building enclosure in example, support component can be following structure.
Specifically, support component can include radially telescopic elastomeric element, and the two ends of elastomeric element are connected respectively
Spacing back-up ring and building enclosure.
Cable 60 is with spacing back-up ring collision process, absorbing some mechanical first with the shock between flexible pocket and moving
Can, secondly because collision, partial elastic part will also be compressed, another part elastomeric element is stretched, and can play storage machinery
The effect of energy, reduces the collision machine energy between cable 60 and spacing back-up ring, reduces cable 60 and act on to a certain extent
Impact in tower 50.
Further, support component is in addition to including elastomeric element, in addition to stiffness tuning part, stiffness tuning part
Effect, structure can be identical with foregoing description, are the rigidity for regulation elasticity part.The regulation of elastomeric element rigidity can be with
It is adjusted according to the vibration frequency of cable 60 or tower 50, amplitude of fluctuation and oscillating acceleration in real work operating mode.
Elastomeric element and stiffness tuning part in above-described embodiment can be sequentially connected to spacing back-up ring and building enclosure
Between, the longitudinal length of stiffness tuning part can be adjusted, and the elongation of stiffness tuning part or shortening necessarily cause elastomeric element
Also extend or shorten therewith, its different rigidity of length of elastomeric element is also different therewith.
Figure 10 is refer to, Figure 10 is the control method stream of suppression building enclosure oscillation crosswise in second of embodiment of the invention
Cheng Tu.
Specifically, set the embodiment of stiffness tuning part to press control method to control the rigidity of elastomeric element
System：
S20, spacing back-up ring by least two elastomeric elements is connected to building enclosure in advance；
S21, acquisition building enclosure or/and tilting member swing parameter；
Correspondingly, swing parameter to be obtained by obtaining widget, swinging the species and obtaining widget of parameter can join
The description seen in step S11.
Wherein pressure sensor 21 can be set between elastomeric element and spacing back-up ring, or elastomeric element is with going along with sb. to guard him knot
Between structure.The change of the rigidity of elastomeric element is perceived by pressure sensor 21.
S22, the rigidity according to each elastomeric element of swing parameter regulation of acquisition, with apply opposite excitation (active force) in
Tilting member.
Excitation is active force, applies opposite excitation in after tilting member, making tilting member hunting frequency and go along with sb. to guard him knot
Structure hunting frequency is consistent or close consistent, and tilting member swaying direction and building enclosure swaying direction are inconsistent or anti-
To；Or make the acceleration of tilting member and building enclosure oscillating acceleration inconsistent or reverse.
Similarly, obtaining widget is vialog, and it is that the wobble amplitude at the top of the building enclosure or swing add to swing parameter
Speed or hunting frequency；
Or, obtaining widget is displacement transducer 19, and it is the swing displacement at the top of building enclosure to swing parameter；
Or, obtaining widget is acceleration transducer, and it is the oscillating acceleration at the top of building enclosure to swing parameter.
Correspondingly, suppress building enclosure oscillation crosswise and protect the device of tilting member to include control unit, control unit
The rigidity of each elastomeric element of swing parameter regulation of acquisition, swashs so that application is opposite with building enclosure or tilting member swing
Encourage.
Adjustment elastomeric element rigidity step is specifically as follows changes elasticity by the length of stretching or elasticity of compression part
The rigidity of part.
When connecting the elastomeric element of spacing back-up ring by different degrees of compression or stretching, the horizontal level of spacing back-up ring
Also accordingly it is changed.Swing to the tractive force at the top of building enclosure, also further enter herein in order to further reduce tilting member
The following control of row.
Carry out outside stiffness tuning, also follow the steps below in step S22：In tilting member swing process, according to swing
The length of each elastomeric element of parameter adjustment changes the position of spacing back-up ring, is added with reducing the amplitude of fluctuation of tilting member or swinging
Speed or hunting frequency.
The position for changing spacing back-up ring accordingly changes the tilting member gap a circumferential with spacing back-up ring, on swaying direction,
Tilting member is swung to the right different with the maximum displacement swung to the left by minimum point, that is to say, that tilting member is in spacing back-up ring
Between anharmonic vibration, in the case of anharmonic vibration, the energy of tilting member is less and less, and such tilting member, which is put on, goes along with sb. to guard him
The active force of structural top is also less and less, accordingly reduces risk factor of the tilting member to building enclosure oscillation crosswise.
That is, one and swaying direction opposite effect power are applied to tilting member in tilting member swing process,
The embodiment of 6 elastomeric elements of setting is shown, wherein elastomeric element is respectively labeled as example shown in Fig. 9, in Fig. 9：K1、K2、
K3, K4 |, K5, K6, be evenly arranged along the spacing periphery wall of back-up ring 13.6 o'clock direction is crossed when cable 60 to left swing not being rocked to also most
During big displacement, move spacing back-up ring position to hinder the swing of cable 60 by the length of regulation elasticity part.Rising limit is given in figure
Position back-up ring is by the fixation of centrosymmetric six elastomeric elements and the embodiment in building enclosure, when cable 60 is swung to the left,
It can extend elastomeric element K1, shorten elastomeric element K4, so that become the gap such as non-between cable 60 and spacing back-up ring,
So that cable 60 is in spacing inner retainer anharmonic vibration.The swing kinetic energy of cable 60 can be so consumed, reduction cable 60
At least one of amplitude of fluctuation, acceleration and frequency.
It can significantly weaken the amplitude of fluctuation and acceleration of cable 60 by alternately applying transverse force of vibration to cable 60.
In a kind of specific control method, the regulation of each elastomeric element rigidity can be according between cable 60 and spacing back-up ring
Pressure, i.e. support component also includes pressure sensor 21, and pressure sensor 21 is arranged at elastomeric element and spacing back-up ring, or
Between elastomeric element and tower 50.Pressure sensor in each support component can detect the circumferential relevant position of spacing back-up ring
Suffered pressure, and then the pressure value of the circumferential diverse location according to acquisition, adjust the length of stiffness tuning part, and then play
The purpose of regulation elasticity part rigidity.By adjusting the rigidity of each elastomeric element, the hunting frequency and amplitude of fluctuation of cable 60 are controlled
Degree, i.e., by elastomeric element by the accumulation of energy of compression process in stretching, extension for giving needed for cable 60 supplements horizontal swing amplitude
Energy.The different oscillation crosswise amplitudes and the size of acceleration of the tower 50 thus induced can be reduced to greatest extent.Elasticity
Part, such as spring, its rigidity are the ratio between load increment dF and incremental deformation d λ, that is, produce the load needed for unit deformation, bullet
The Rigidity Calculation formula of spring is F'=dF/d λ.Here from the spring that characteristic line is cumulative type, its rigidity is with the increase of load
And increase.
Figure 11 to Figure 13 is refer to, Figure 11 is the structure chart of stiffness tuning part in a kind of specific embodiment of the invention；Figure
12 be the structure chart of spin thread mechanism in a kind of specific embodiment of the invention；Figure 13 is another embodiment of the invention
The middle control block diagram for suppressing building enclosure oscillation crosswise and protecting the device of tilting member.Wherein, the k in Figure 11 and Figure 12 is represented
Elastomeric element.
Specifically, the stiffness tuning part in above-described embodiment can include connector and driving part.
At least one of both ends of connector are threadedly coupled with elastomeric element or building enclosure.That is, connection
Part only can be threadedly coupled with elastomeric element, circumferentially rotated and be connected with building enclosure；Connector can also only with building enclosure spiral shell
Line is connected, and is circumferentially rotated and is connected with elastomeric element.Certainly, the both ends of connector can be helicitic texture, respectively with going along with sb. to guard him
Structure and elastomeric element threaded connection.
In a preferred embodiment, connector can be sleeve 31, and the both ends inwall of sleeve 31 is set respectively
There is internal thread, stiffness tuning part also includes support member, and the inner end of support member has to be coordinated with the respective end screw thread of sleeve 31
External thread part, the outer end of support member is fixedly connected with the inwall of building enclosure.
Driving part in above-described embodiment can be spin thread mechanism 30, including housing 34, coil 35, rotation section
Part, the first magnetic conductive part 391, the second magnetic conductive part 392, conducting element and power supply.
The main function of housing 34 has two aspects, and one provides brace foundation for the installation of miscellaneous part；Second, with tower 50
Coordinate installation etc. building enclosure.
Coil 35 is arranged at the perisporium of housing 34, and rotatable parts are circumferentially rotated with housing 34 and are connected, the two ends of rotatable parts
Portion is respectively arranged with threaded portion.Sleeve 31 in above-described embodiment is equivalent to rotatable parts, certainly, in spin thread mechanism 30
Rotatable parts are not limited to the structure of sleeve 31, can also be screw rod, or one end is the externally threaded rod-like structure of setting, the other end
To set the tubular structure of internal thread.
Second magnetic conductive part 392 is fixed on the perisporium of rotatable parts, and has certain gap m with coil 35.Power supply
For supplying alternating current to coil 35.
To adjust on swaying direction exemplified by the rigidity of two elastomeric elements, by control on swaying direction two sleeves 31 to
Opposite direction is rotated, you can realize the elongation of side elastomeric element, and the compression of opposite side elastomeric element promotes the symmetrical side of cable 60
To alternately stress.
Coil windings 35 can be placed in the internal perisporium of housing 34.
In one embodiment, the second magnetic conductive part 392 is unshakable in one's determination, and groove is radially provided with surface unshakable in one's determination, and groove is embedded
Entering has conductive bar, and the quantity of conductive bar is multiple, and each conductive bar is axially extended and uniformly at intervals in the rotatable parts
Circumferential, both ends unshakable in one's determination are provided with short-circuited conducting sleeve, and the both ends of each conductive bar are connected by corresponding short-circuited conducting sleeve short circuit, and two is short
Road ring and each conductive bar form above-mentioned conducting element.As shown in figure 12, the both ends of each conductive bar are respectively arranged with short-circuited conducting sleeve 381
With short-circuited conducting sleeve 382.Conductive bar can be relative with the position of coil windings 35.Conductive bar quantity is more, and respective drive rotatable parts turn
Dynamic power is bigger.
In another embodiment, the second magnetic conductive part 392 is unshakable in one's determination, and groove is radially provided with surface unshakable in one's determination, and groove is embedded
Enter to have magnet coil.The winding that magnet coil is constituted outwards can be drawn by slip ring, external rheostat or external frequency converter.
When the coil windings 35 in the present invention are powered, the magnetic field of alternately change will be produced around coil windings 35,
Rotating excitation field is produced in air gap, the magnetic line of force in magnetic field passes through the first magnetic conductive part 391 and the second magnetic conductive part 392.Second
The electric current in induced-current, and then conductive bar or magnet coil is produced in the conductive bar or magnet coil of magnetic conductive part 392 in rotation
Turn to obtain rotating torque under magnetic fields, so as to circumferentially rotate with moving sleeve 31, the connecting length increase of the threaded portion of sleeve 31
Or reduce, by the direction in the magnetic field of control coil winding 35, realize that the automatic forward and reverse of sleeve 31 is rotated, turn so as to realize
The increase or reduction of dynamic component connecting length, the length of such elastomeric element are also accordingly compressed or stretched, and realize elasticity
The regulation of part rigidity.
Second magnetic conductive part 392 can be rotor core, and hot jacket is in the periphery wall of rotatable parts herein.
In order to realize circumferentially rotating for rotatable parts, bearing 36 can also be set between housing 34 and rotatable parts, rotated
Part is circumferentially rotated with housing 34 by bearing 36 and is connected.The both ends of rotatable parts can be provided with bearing 36.Bearing 36
Can be two row tapered roller bearings, or two row ball bearings, or a row ball bearing, the group of a row tapered roller bearing
Close, need to overcome motor axial thrust in a word.Adjustment of the motor axial thrust from the two ends threaded connection element spacing of sleeve 31.
So that rotatable parts are sleeve 31 as an example, spin thread mechanism 30 further comprises the first shaft part 32 and the second shaft part
33, both opposed ends are provided with external thread section, the external thread section of the first shaft part 32 and the second shaft part 33 respectively with sleeve
The internal thread part at 31 both ends is connected.
Certainly changing for connection screw thread length between the first shaft part 32 and sleeve 31, the second shaft part 33 and sleeve 31 is realized exemplified by
Become, predetermined gap is certainly existed between the first shaft part 32 and the second shaft part 33.The other end of first shaft part 32 and the second shaft part 33
Portion can be fixedly connected with elastomeric element and tower 50 respectively.
During work, control unit is rotated by swinging the sleeve 31 that state modulator is connected with each elastomeric element, to adjust
The rigidity of each elastomeric element, judges whether the rigidity of elastomeric element is adjusted to suitable number by the detection numerical value of pressure sensor
Value, and then judge whether sleeve 31 is rotated further.
The thread mechanism 30 that spins also includes locating support 37, and the one end of locating support 37 is fixedly connected with housing 34, and the other end is set
Installation portion is equipped with, is fixed for coordinating with extraneous building enclosure.Installation portion can be set according to the concrete structure of building enclosure,
For example locating support 37 can be L-type, including transverse arm and armstand, armstand are fixed with sleeve 31, and transverse arm is fixed with tower 50.
The thread mechanism that spins also includes frequency converter (not shown), and power supply connects coil 35 by frequency converter, by becoming
Frequency device controls to be passed through the size of the internal current of coil 35, can be with the velocity of rotation of control sleeve 31, and corresponding control elastomeric element is long
The speed of regulation is spent, is conducive to alternately applying transverse force of vibration to the grade of cable 60 tilting member.
Given in Figure 14 and 3 groups of suppression building enclosure transverse-vibrations with spin thread mechanism are set in wind power generating set
The embodiment of dynamic and protection tilting member device, the wherein other structures of wind power generating set can be with prior art phase
Together, it will not be described here.
On the basis of above-described embodiment, building enclosure oscillation crosswise and protection are suppressed present invention further proposes one kind
The device of tilting member, it is specific as follows.
Figure 15 to Figure 17 is refer to, Figure 15 is suppression building enclosure oscillation crosswise and protection in another embodiment of the invention
The structural representation of the device of tilting member；Figure 16 is the structural representation of pressure sensor layer；Figure 17 is the knot of actuator layer
Structure schematic diagram.
In another specific embodiment, suppress building enclosure oscillation crosswise and protect the device of tilting member to include acquisition unit
Part, control unit and actuator.Obtaining widget is used for the swing parameter for obtaining tilting member.Actuator 40 act as apply with
The swaying direction opposite effect power of tilting member is in tilting member.The fixed part of actuator can be fixedly connected with building enclosure,
The operating member applying power of actuator 40 is in tilting member.
Control unit, is acted according to the swing state modulator actuator 40 of acquisition, so that the non-simple harmonic quantity of tilting member is swung.
So that tilting member is swung in perpendicular as an example, before not up to full swing amplitude, actuator 40 can be with
The one horizontal direction power opposite with its swaying direction is applied to tilting member, the swing of tilting member is slackened, and then reduce pendulum
The amplitude of fluctuation or oscillating acceleration of dynamic component, and change hunting frequency.
Specifically, the operating member of actuator 40 is fixedly connected with the swing end of tilting member, using tilting member as cable
Exemplified by 60, the operating member of actuator 40 is connected and fixed on the sheath 14 of cable 60 of cable 60.
Certainly, the device can also include spacing back-up ring, and it is identical with the effect of the limiting component in above-described embodiment, use
In the amplitude of fluctuation of limitation tilting member, the swing end of the grade tilting member of cable 60 is located at spacing inner retainer.Actuator 40
Operating member be fixedly connected with spacing back-up ring, drive spacing back-up ring to be moved in vertical oscillation plane.
Control unit is acted according to the swing state modulator actuator 40 of acquisition, and limiting component is driven to precalculated position,
So that the non-simple harmonic quantity of tilting member is swung.
Actuator 40 can drive limiting component to be moved in horizontal plane, so can be according to parameter is swung, in tilting member
Limiting component is adjusted in swing process in correct position, to reduce the amplitude of fluctuation or oscillating acceleration of tilting member.
The quantity of actuator 40 is at least two, is distributed along the circumferential Central Symmetry of the tilting member.
Obtaining widget is pressure sensor 22, and the quantity at least two of pressure sensor 22 is respectively used to detection
The active force of tilting member and the circumferential diverse location of building enclosure in swing process.
Each pressure sensor 22 is distributed in tilting member and building enclosure circumference, and and actuator by support 23
It is layered and parallel to set.
Above-mentioned support 23 can be rigid support, the inner end connection tilting member or the electricity of tilting member of rigid support
The spacing back-up ring of the sheath 14 of cable 60 or tilting member.Pressure sensor 22 passes through rigid support and cable 60 or rigid support
Be connected with spacing back-up ring, can effectively, the swing pressure of quick obtaining cable 60, improve precise control.
Actuator in above-described embodiment can connect the spacing back-up ring of tilting member or tilting member by spring.
Figure 18 is refer to, Figure 18 is the control method stream of suppression building enclosure oscillation crosswise in the third embodiment of the invention
Cheng Tu.
Specifically control method is：
S30, the swing parameter for obtaining tilting member；
S31, in tilting member swing process, according to the swing state modulator actuator of acquisition act, to apply and put
The swaying direction opposite effect power of dynamic component swings the non-simple harmonic quantity of tilting member in tilting member, and then reduces tilting member
Amplitude of fluctuation or oscillating acceleration or hunting frequency.
Especially, the position for changing spacing back-up ring accordingly changes the tilting member gap a circumferential with spacing back-up ring, in swing side
Upwards, tilting member is swung to the right different with the maximum displacement swung to the left by minimum point, that is to say, that tilting member is spacing
In the case of anharmonic vibration between back-up ring, anharmonic vibration, the energy of tilting member is less and less, and such tilting member is put on
Active force at the top of building enclosure is also less and less, accordingly reduce tilting member to the induction of building enclosure oscillation crosswise because
Element.
The structure of actuator can be diversified forms.In a preferred embodiment, the structure of actuator can be
Spin thread mechanism 30 described by above-described embodiment.Actuator can also be telescoping cylinder or other power parts.
Certainly, suppression building enclosure oscillation crosswise and the device of protection tilting member in the embodiment can also include upper
The parts such as flexible pocket are stated, are not detailed herein.
Above to a kind of device, control for suppressing building enclosure oscillation crosswise and protection tilting member provided by the present invention
Method and spin thread mechanism are described in detail.Principle and embodiment of the specific case used herein to the present invention
It is set forth, the explanation of above example is only intended to the method and its core concept for helping to understand the present invention.It should be pointed out that
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be entered
Some improvement of row and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (15)
1. a kind of device for suppressing building enclosure oscillation crosswise and protecting tilting member, it is characterised in that including with lower component：
First flexible pocket (11) and the second flexible pocket (12), are respectively arranged at building enclosure and the impingement area both tilting member；
Fluid media (medium) is filled with first flexible pocket (11) and second flexible pocket (12).
2. suppress building enclosure oscillation crosswise as claimed in claim 1 and protect the device of tilting member, it is characterised in that also
Including：
Pressure regulating part, for adjusting first flexible pocket (11) and/or second flexible pocket (12) internal flow
The pressure of medium, to cut down the oscillation crosswise of the building enclosure.
3. suppress building enclosure oscillation crosswise as claimed in claim 2 and protect the device of tilting member, it is characterised in that also
Including limiting component, the amplitude of fluctuation of end is swung for limiting the tilting member, the limiting component is fixed on described enclose
Protection structure, first flexible pocket (11) is arranged at the limiting component.
4. suppress building enclosure oscillation crosswise as claimed in claim 3 and protect the device of tilting member, it is characterised in that institute
Stating limiting component includes spacing back-up ring (13) and the support for the spacing back-up ring (13) to be fixed in the building enclosure
Component；First flexible pocket (11) is arranged at the internal perisporium of the spacing back-up ring (13).
5. suppress building enclosure oscillation crosswise as claimed in claim 4 and protect the device of tilting member, it is characterised in that institute
The quantity for stating support component is multiple, each support component being arranged circumferentially along spacing back-up ring (13).
6. suppress building enclosure oscillation crosswise as claimed in claim 5 and protect the device of tilting member, it is characterised in that be each
The support component is resilient support assemblies (20), including telescopic elastomeric element, and the two ends of the elastomeric element connect respectively
Connect the spacing back-up ring (13) and the building enclosure.
7. suppress building enclosure oscillation crosswise as claimed in claim 1 and protect the device of tilting member, it is characterised in that also
Including at least two resilient support assemblies (20), each resilient support assemblies (20) along tilting member circumferentially, the bullet
Property support component (20) include telescopic elastomeric element, the elastomeric element be positioned at the tilting member and building enclosure it
Between.
8. suppress building enclosure oscillation crosswise as claimed in claim 7 and protect the device of tilting member, it is characterised in that institute
Stating the circumferentially fixed of tilting member has sheath, and the inner end of each elastomeric element is fixedly connected with the sheath.
9. suppress building enclosure oscillation crosswise as claimed in claim 7 and protect the device of tilting member, it is characterised in that also
Including spacing back-up ring (13), the swinging end portion of the tilting member is located at the inside of the spacing back-up ring (13), each institute after installation
The inner end for stating elastomeric element is fixedly connected with the spacing back-up ring (13).
10. suppress building enclosure oscillation crosswise as claimed in claim 9 and protect the device of tilting member, it is characterised in that
The resilient support assemblies (20) also include stiffness tuning part, and the stiffness tuning part is used to adjust the elastomeric element
Length is to change its rigidity.
11. the device of the suppression building enclosure oscillation crosswise and protection tilting member as described in any one of claim 2 to 10, its
It is characterised by, in addition to：
Obtaining widget, the swing parameter for obtaining the building enclosure and/or the tilting member；
Control unit, according to the swing state modulator of acquisition pressure regulating part adjust the first flexible pocket (11) or
Person/and the second flexible pocket (12) internal pressure, to apply opposite excitation in tilting member, to control the tilting member
Intrinsic frequency of the hunting frequency away from the building enclosure.
12. suppress building enclosure oscillation crosswise as claimed in claim 11 and protect the device of tilting member, it is characterised in that
The control unit the first flexible pocket (11) or second flexible pocket according to the swing parameter regulation of acquisition
(12) internal pressure, so that the swaying direction of the tilting member is opposite with the swaying direction of the building enclosure；Or,
The control unit first flexible pocket (11) or described second soft according to the swing parameter regulation of acquisition
Property capsule (12) internal pressure, so that the tilting member is to first flexible pocket (11) or second flexible pocket
(12) collision frequency reduction, or to first flexible pocket (11) or second flexible pocket in collision process
(12) the shock pressure produced is constantly reducing.
13. suppress building enclosure oscillation crosswise as claimed in claim 11 and protect the device of tilting member, it is characterised in that
The obtaining widget be vialog, the swing parameter be the building enclosure at the top of wobble amplitude or oscillating acceleration or
Person's hunting frequency；
Or, the obtaining widget is displacement transducer, and the swing parameter is the swing displacement at the top of building enclosure；
Or, the obtaining widget is acceleration transducer, and the swing parameter is the oscillating acceleration at the top of building enclosure.
14. the device of the suppression building enclosure oscillation crosswise and protection tilting member as described in any one of claim 1 to 10, its
It is characterised by, the fluid media (medium) of filling is gas or liquid inside first flexible pocket (11) and second flexible pocket (12)
Body.
15. suppress building enclosure oscillation crosswise as claimed in claim 1 and protect the device of tilting member, it is characterised in that
First flexible pocket (11) and second flexible pocket (12) are layering or combination hierarchy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493547.0U CN206386235U (en) | 2016-12-30 | 2016-12-30 | Suppress building enclosure oscillation crosswise and protect the device of tilting member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493547.0U CN206386235U (en) | 2016-12-30 | 2016-12-30 | Suppress building enclosure oscillation crosswise and protect the device of tilting member |
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| CN206386235U true CN206386235U (en) | 2017-08-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273972A (en) * | 2019-07-08 | 2019-09-24 | 北京金风科创风电设备有限公司 | Damper, tower of wind generating set and wind generating set |
| CN115157014A (en) * | 2022-06-29 | 2022-10-11 | 山东金帝精密机械科技股份有限公司 | Method and device for grinding net barrel of bearing retainer |
-
2016
- 2016-12-30 CN CN201621493547.0U patent/CN206386235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273972A (en) * | 2019-07-08 | 2019-09-24 | 北京金风科创风电设备有限公司 | Damper, tower of wind generating set and wind generating set |
| CN115157014A (en) * | 2022-06-29 | 2022-10-11 | 山东金帝精密机械科技股份有限公司 | Method and device for grinding net barrel of bearing retainer |
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