CN109869281A - A kind of wind energy conversion system tower shock absorber structure, installation method and adjusting method - Google Patents

A kind of wind energy conversion system tower shock absorber structure, installation method and adjusting method Download PDF

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Publication number
CN109869281A
CN109869281A CN201910173813.3A CN201910173813A CN109869281A CN 109869281 A CN109869281 A CN 109869281A CN 201910173813 A CN201910173813 A CN 201910173813A CN 109869281 A CN109869281 A CN 109869281A
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China
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tower
energy conversion
wind energy
base platform
shock absorber
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CN201910173813.3A
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CN109869281B (en
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郭光星
张磊
杨科
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Institute of Engineering Thermophysics of CAS
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Institute of Engineering Thermophysics of CAS
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

Abstract

The invention discloses a kind of wind energy conversion system tower shock absorber structures, it mainly include annular inflatable air bag, tuned mass damper and lightning arrester etc., when the lifting operation of Wind turbines does not complete, it needs to suspend and waits the later period when opportunity is properly installed, damper is lifted and is connected on tower drum flange, damper voluntarily adjusts oneself state according to incoming flow situation during damper works, and guarantees the deformation amount controlling of tower in a reasonable range.Annular inflatable air bag can be adjusted according to the variation of incoming flow wind direction simultaneously, generate the intensity of Shedding Vortex in its rear to weaken air-flow around tower, and then reduce windage suffered by tower, tower is avoided to generate violent vibration.Until suitably installing opportunity next time, damper is dismantled to use next time.The present invention can effectively weaken external wind and act on the vibration generated in tower, safety of the guarantee Wind turbines in installation deadtime, and have simple and fast advantage in the implementation of Practical Project.

Description

A kind of wind energy conversion system tower shock absorber structure, installation method and adjusting method
Technical field
The invention belongs to the installing areas of wind power generating set, are related to a kind of shock absorber structure more particularly to a kind of wind-force Machine tower shock absorber structure, suitable for Wind turbine installation process, the decrease of tower vibration is conducive to improve Wind turbine peace Safety during dress.
Background technique
Under current the traditional fossil energy increasingly global context of shortage, weather change dramatically, environment worsening, wind energy As the highest attention by various countries extensively of renewable, the environmentally protective energy, it is also the Main way of China's utilization of new energy resources. With the fast development of the nearly more than ten years Wind Power Generation Industry in China, land installed capacity has tended to be saturated, and gradually to coastal region Transition is carried out, but under the situation of current development, is but faced with many problems.The tower overwhelming majority of Wind turbines, which uses, to be divided The form of connection is saved, there is the ring flange welded together with tower body in the end of every section tower, each company saved between tower If the bolt stem for connecting two ring flanges is fixed.Since the installation of tower needs the lifting operation of loop wheel machine repeatability, and Worker carries out assembly work to the bolt each section tower, therefore the installation of tower expends the time very much, one whole Wind turbines It is difficult to install within a short period of time.
In addition, China coastal seas region wind-resources are abundant, it is difficult to find the period for keeping low wind speed for a long time, it is especially eastern South is coastal to be located at Pacific Ocean west bank, and two season of summer and autumn is vulnerable to typhoon influence, once missing suitable installation opportunity, installation may again A very long time is waited, and in this period, wind energy conversion system is only mounted with tower section, and total quality is lighter, intrinsic frequency It is lower, and tower cross section is circle, under wind action, easily generates Karman vortex street in the downstream of tower, and vortex street is de- The frequency fallen is in close proximity to the intrinsic frequency of tower, therefore tower can generate serious vibration, this safety structure to unit At great threat.And the condition of wind energy conversion system installation is very harsh, and it can only be preferable in visibility, wind scale is low, good Weather conditions under just can be carried out operation.Once the same day does not complete operation, and since night does not have mounting condition, to guarantee machine The safety of group and installation personnel, the mode generally taken at present is persistently to hang cabin at night by a loop wheel machine, prevents tower There is violent vibration.But this way extreme labor intensive financial resources, and safety can not be ensured effectively.
Summary of the invention
It is in view of the above drawbacks of the prior art and insufficient, the present invention is intended to provide a kind of wind energy conversion system tower shock absorber structure, Lifting operation suitable for Wind turbines does not complete, and the components such as cabin are not yet arranged in tower top, and Suspend Job is needed to wait When later period suitably installs opportunity, tower shock absorber structure of the invention is mounted on to the top of wind energy conversion system tower at this time, can be had Effect weakens external wind and acts on the vibration generated in tower, guarantees Wind turbines in the safety of installation deadtime, when to be installed When machine is suitable, shock absorber structure is dismantled from tower top, to continue the installation exercise of Wind turbines.
The present invention is technical solution used by realizing its technical purpose are as follows:
A kind of wind energy conversion system tower shock absorber structure, the base platform for being fixed at wind energy conversion system tower top including one, It is characterized in that,
-- one and the coaxially arranged bearing of the wind energy conversion system tower, the bearing packet are set on the bottom surface of the base platform Include inner ring and outer ring, wherein
The inner ring is fixedly connected with the bottom surface of base platform, and surround the periphery for being arranged in the wind energy conversion system tower,
The outer ring can be freely rotated around inner ring, on the outside of sidewall surfaces on be fixedly connected with an annular inflatable air bag, institute It states integrally in a cylinder extended straight down after annular inflatable air bag gassy, the cylinder includes inner barrel and outer barrel, In,
The circular in cross-section of the inner cylinder, is integrally set in the periphery of the wind energy conversion system tower, and with the wind energy conversion system Tower is coaxially arranged, and all has gap in entire short transverse and on whole circumference direction therebetween, the outer cylinder Cross section is in the streamlined in shape of a symmetrical airfoil;
-- a tuned mass damper is also set up in the base platform, the tuned mass damper is filled including a tower curved detection It sets, a mass block and several hydraulic cylinder groups, wherein
Bending direction and degree of the tower bending detection device to detect the wind energy conversion system tower,
The mass block is suspended on the bottom surface of the base platform by lifting rope, and center of gravity is located at the wind energy conversion system tower Axis on,
Several hydraulic cylinder groups are circumferentially evenly arranged between the bottom surface and mass block of the base platform, Mei Yisuo The both ends for stating hydraulic cylinder group are hinged with the bottom surface of the base platform and mass block respectively, by adjusting each hydraulic cylinder group Length is to adjust offset direction and departure degree between the center of gravity of the mass block and the axis of the wind energy conversion system tower.
Preferably, the tower bending detection device is a level meter being arranged in the base platform.
Preferably, the mass block is a steel ball, and an annulus is arranged in the equatorial portion of the steel ball, and the steel ball passes through more The lifting rope that group is circumferentially evenly arranged on the annulus is suspended on the bottom surface of the base platform.
Further, the annulus and mass block are monoblock cast.
Further, the weight of the mass block is arranged according to the intrinsic frequency of the wind energy conversion system tower.
Further, a hydraulic cylinder group is at least respectively set in four orientation of the mass block, it is each described One end of hydraulic cylinder group is hinged on the annulus, and the other end is hinged on the bottom surface of the base platform.
Further, the tuned mass damper further include the shockproof control device that is arranged on the base platform top surface and One hydraulic station, the hydraulic station are in fluid communication by fluid pressure line and each hydraulic cylinder group, the shockproof control device with it is described Tower bending detection device, hydraulic station communication connection, the tower bending detection device is by the tower bending side detected by it To and degree information be sent to the shockproof control device, the shockproof control device is according to the received tower bending direction And degree information controls the hydraulic station, by regulating and controlling the charge oil pressure that the hydraulic station is each hydraulic cylinder group, changes The length of each hydraulic cylinder group, to control inclined between the center of gravity of the mass block and the axis of the wind energy conversion system tower From direction and departure degree.
Further, an electromagnetic shielding net is also set up on the top surface of the base platform, the electromagnetic shielding net is covered in The outside of the shockproof control device and hydraulic station.
Preferably, a lightning-protection device is also set up in the base platform, the lightning-protection device includes a ground connection Cable and a lightning rod, the lightning rod are arranged on the top surface of the base platform, and the earth cable is arranged in the wind In power machine tower, the upper end is connect with the lightning rod, lower end ground connection.
Preferably, the seal of the annular inflatable air bag is located at its top rear, is easily installed personnel and carries out inflation/deflation Operation is inflated by inflator or using air compression gas tank, or by be arranged in the base platform compressor into Row inflation.
Compared with the existing technology, wind energy conversion system tower shock absorber structure of the invention have significant technical effect: (1) by Wind energy conversion system tower can be surrounded in symmetrically wing cleanliness shape and annular inflatable air bag in the outer surface of annular inflatable air bag It is freely rotated, outer layer air bag can be automatically adjusted according to the variation of incoming flow wind direction, to weaken air-flow around tower at it Rear generates the intensity of Shedding Vortex, and then reduces windage suffered by tower, and tower is avoided to generate violent vibration;(2) damping Internal tuned mass damper is according to the bending direction and bending degree of tower during working for device, adjust automatically mass block center of gravity and tower Offset direction and departure degree between axis guarantee the deformation amount controlling of tower in a reasonable range;(3) installation is stagnated There is thunderstorm weather in phase, the lightning rod above damper can play the role of drawing thunder, draw thunder inside lightning arrester and tower Cable connection together, is effectively guaranteed the safety during tower and inside;(4) external wind work can effectively be weakened With the vibration generated in tower, guarantee Wind turbines in the safety of installation deadtime, and in the implementation of Practical Project With simple and fast advantage.
Detailed description of the invention
Fig. 1 is that wind energy conversion system tower damper of the invention is mounted on the structural schematic diagram in wind energy conversion system tower;
Fig. 2 is the schematic diagram that wind energy conversion system tower damper of the invention is placed on the ground;
Fig. 3 is the schematic diagram of wind energy conversion system tower damper of the invention in lifting;
Fig. 4 is schematic diagram when annular inflatable air bag works;
Fig. 5 is the top view of Fig. 4.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, right hereinafter, referring to the drawings and the embodiments, The present invention is further described.
As shown in Figure 1, wind energy conversion system tower shock absorber structure of the invention, including one is fixed at the top of wind energy conversion system tower 5 The base platform 2 in portion, setting one and the coaxially arranged bearing 4 of wind energy conversion system tower 5 on the bottom surface of base platform 2, bearing 4 includes interior Circle and outer ring, wherein inner ring is fixedly connected with the bottom surface of base platform 2, and internal diameter is greater than the outer diameter of wind energy conversion system tower 5, and ring Around the periphery for being arranged in wind energy conversion system tower 5, outer ring can be freely rotated around inner ring, on the outside of sidewall surfaces on be fixedly connected with a ring Shaped inflatable air bag 1, is integrally in a cylinder extended straight down after 1 gassy of annular inflatable air bag, cylinder include inner cylinder and Outer cylinder, wherein the circular in cross-section of inner cylinder is integrally set in the periphery of wind energy conversion system tower 5, and coaxial with wind energy conversion system tower 5 Arrangement, and gap is all had in entire short transverse and on whole circumference direction therebetween, to guarantee annular inflatable air bag 1 It is not interfered therebetween when rotation, the cross section of outer cylinder is in the streamlined in shape of a symmetrical airfoil, is plunderred to eliminate air The tower as caused by Shedding Vortex is vibrated when crossing wind energy conversion system tower 5;Annular inflatable air bag 1 is accommodated in the bottom of base platform 2 after deflating On face.A tuned mass damper is also set up in base platform 2, tuned mass damper includes a tower bending detection device, a mass block 15 and several hydraulic cylinder groups 12, wherein bending direction and degree of the tower bending detection device to detect wind energy conversion system tower 5, Mass block 15 is suspended on the bottom surface of base platform 2 by lifting rope 13, and is accommodated in the inner space of wind energy conversion system tower 5 completely In, center of gravity is located on the axis of wind energy conversion system tower 5, and several hydraulic cylinder groups 12 are circumferentially evenly arranged in the bottom of base platform 2 Between face and mass block 15, the both ends of each hydraulic cylinder group 12 are hinged with the bottom surface of base platform 2 and mass block 15 respectively, lead to The length of each hydraulic cylinder group 12 is overregulated to adjust the offset direction between the center of gravity of mass block 15 and the axis of wind energy conversion system tower 5 And departure degree, the bending direction of offset direction and wind energy conversion system tower 5 on the contrary, departure degree and wind energy conversion system tower 5 bending journey Degree is positively correlated, at least partly offset the windage that wind energy conversion system tower 15 is subject to;Damping is additionally provided in each hydraulic cylinder group 12 Mechanism, to the vibrational energy from wind load or earthquake that at least partly dissipates, to reduce wind energy conversion system tower 5 in strong wind or earthquake When Oscillation Amplitude and frequency.
Specifically, annular inflatable air bag 1 is using the light thin films material such as fibrous woven cloth, and when unaerated is previously folded neat Place 2 bottom surface both side of base platform.Annular inflatable air bag is filled with the state of air when working normally, referring to Fig. 4 and Fig. 5.Ring The inside of shaped inflatable air bag 1 is a circle, and the tower specification being widely used in the market according to Wind turbines is chosen slightly greater than it Some internal circular diameters, so that guaranteeing certain gap between annular inflatable air bag 1 and wind energy conversion system tower 5, convenient for neatly turning It is dynamic.The outside of annular inflatable air bag 1 is the streamlined in shape of a big thickness symmetrical airfoil, and the streamlined contour of aerofoil profile reduces wind Air drag suffered by power machine tower 5, while the Shedding Vortex that initial circular section tower flow-disturbing generates is eliminated, to reduce The vibration of tower ensure that the safety of tower.The seal 15 of annular inflatable air bag 1 is located at the top rear of air bag, is convenient for Installation personnel carries out inflation/deflation operation, and the mode of inflation/deflation is different, by inflator or can directly adopt air compression gas tank Etc. manual types, or the mechanical systems such as compressor are additionally installed in base platform.
Tuned mass damper is located at 2 lower section of base platform, including shockproof control device 8, hydraulic station 9, hydraulic cylinder group 12, wirerope 13, annulus 14 and mass block 15.Mass block 15 is using the big steel ball of density, and steel ball equatorial portion has an annulus 14, annulus with Mass block is monoblock cast, and center of gravity is located at the center point of tower, and weight is arranged according to the intrinsic frequency of tower in the weight of mass block block The size of ball.Suspension arrangement is constituted by 13 groups of multiple groups hanging steel rope be symmetrically arranged on annulus, is primarily subjected to mass block Gravity.Four orientation of mass block are each provided with one group of hydraulic cylinder group 12, be installed on mass block 15 annulus 14 and base platform 2 it Between, shockproof control device 8 can regulate and control the pressure of hydraulic station 9, and by changing the movement of hydraulic cylinder group 12, control mass block 15 is moved Position, to offset the windage that part tower is subject to.It is equipped with damping mechanism in hydraulic cylinder group 12, can will come from wind load or ground The partial vibration energy dissipation of shake is fallen, to reduce Oscillation Amplitude and frequency of the tower in strong wind or earthquake.
Lightning-protection device is located at 2 top of damper base platform, including is electromagnetically shielded net 7, earth cable 10 and takes shelter from the thunder Needle 11, the lightning rod 11 on top are mounted on base platform 2, and prefabricated earth cable is connected to inside bottom and Wind turbines tower Together.When encountering thunderstorm weather, lightning stroke can be introduced underground by the lightning arrester at top, be prevented in damper and tower body Equipment by broken by lightning.Electromagnetic shielding net 7 is wrapped in the outside of shockproof control device 8 and hydraulic station 9, plays electromagnetic shielding Effect protects internal electronic component and mechanism to exempt from the interference of thunder and lightning.
When being placed on the ground before tower damper use of the invention, as shown in Figure 2.Tower damper is placed on ground On base dolly C1 on face, trolley general frame is cast iron materials, possesses preferable anti-pressure ability, bottom is equipped with several The wheel C2 of universal joint connection, worker push base dolly to be moved to suitable position in which can be convenient.Damper is outer at this time There is no air inside layer air bag 1, it is previously folded good, it is attached to damper base platform bottom surface.
The tower damper is in hoisting process, as shown in Figure 3.It can not on the day of the installation exercise of estimated Wind turbines When continuing, multiple hanging rings 3 uniformly distributed above damper being caught on by the suspender belt C3 of loop wheel machine, are sling, preparation is placed on not Complete the wind energy conversion system tower top of installation.
When the tower damper installs, as shown in Figure 1.At the scene under the guide of worker, damper is mounted on 5 top of tower, unlocks suspender belt and withdraws crane.Damper and the flange on 5 top of tower are linked together by bolt 6, then Lightning rod 11 is installed on damper pedestal 2, while connecting the earth cable 10 inside tower, lower section outer layer is folded later Air bag 3 is inflated, and the seal 15 of air bag is sealed after gassy.Damper can voluntarily work at this time, to avoid tower Violent vibration and lightning stroke occurs to destroy, guarantees wind energy conversion system in the safety of installation deadtime.
And when ripe meets the condition for continuing installation, the seal 15 of air bag is first opened, air is excluded, then is released The earth cable 10 of lightning arrester connection and the bolt 6 of damper and tower drum flange.It is equally caught on later by the suspender belt of loop wheel machine The hanging ring 3 of damper, is hung down, is put back on base dolly C1 on the ground, until needing to reuse, only needs to repeat Above-mentioned steps.
It, can be to its incoming flow wind according to the extent of vibration of tower when tower damper is mounted in tower, and is worked normally Be divided into three state intervals (in specific implementation process can according to safety moderately adjustment state interval number, two even four It is a to be ok): low wind speed interval, middle wind speed interval, high wind speed section.Vibration characteristics according to practical different size towers is reasonable Ground is divided, and there is no a fixed ranges.Such as: low wind speed interval 0-7m/s, middle wind speed interval 1-18m/s, Gao Feng Fast section 18m/s or more.When incoming flow wind is located at low wind speed interval, slight vibration occurs for tower, to whole safety not structure At threat, while in order to avoid damped part is during this period by unnecessary abrasion, sets the state interval damper and do not send out Lively to make, the hydraulic circuit of four group oil cylinder of locking guarantees the center point of the center of gravity in tower of mass block.When incoming flow wind is located at apoplexy When fast section, at this time if when having certain angle when the axis of symmetry of tower aerofoil profile outside incoming flow wind direction and damper, according to outer The aerofoil profiles of layer air bag, can be automatically corresponding with wind speed by the axis of symmetry of itself, and then reduces suffered by tower Aerodynamic force, when wind direction is right against the axis of symmetry of balloon outer tower aerofoil profile, the outer fairshaped shape of tower makes air-flow It is attached to surface flow, load suffered by tower is reduced, eliminates Shedding Vortex, tower is avoided and whirlpool frequency is approached and produced Raw resonance.When incoming flow wind is located at high wind speed section, wind speed is excessive at this time, and largely bending deformation occurs in tower.With Middle wind speed interval is identical to be, if having certain angle when wind direction and the axis of symmetry of the outer tower aerofoil profile of damper, outer layer Air bag tower can also be automatically corresponding with wind speed by itself axis of symmetry, and then reduce tower suffered by aerodynamic force, keep away Tower is exempted from and whirlpool frequency approaches and generates resonance.The resistance most of all, safety in order to guarantee tower, inside damper Buddhist nun's device additionally controls it.Level meter will detect that the curved angle value of tower at this time, this information is passed to inside Shockproof control device, by hydraulic station drive four groups of hydraulic cylinders in oil pressure size, change the position of mass block, change center of gravity Position to generate a weight component opposite with the wind load being subject to, and then reduces the deflection of tower.Simultaneously because liquid Oil liquid damped coefficient in cylinder pressure is very high, therefore the fractional load of the transient change of high frequency wind generation can be absorbed by hydraulic oil.
In addition, if install in deadtime has thunderstorm weather herein, the lightning rod above damper, which can play, draws thunder Effect, the thunder and lightning cable that draws inside lightning arrester and tower link together, and are effectively guaranteed the safety during tower and inside Property.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention Within the scope of shield.

Claims (10)

1. a kind of wind energy conversion system tower shock absorber structure, the base platform for being fixed at wind energy conversion system tower top including one is special Sign is,
-- one and the wind energy conversion system tower coaxially arranged bearing are set on the bottom surface of the base platform, and the bearing includes interior Circle and outer ring, wherein
The inner ring is fixedly connected with the bottom surface of base platform, and surround the periphery for being arranged in the wind energy conversion system tower,
The outer ring can be freely rotated around inner ring, on the outside of sidewall surfaces on be fixedly connected with an annular inflatable air bag, the ring It is in integrally a cylinder extended straight down after shaped inflatable air bag gassy, the cylinder includes inner barrel and outer barrel, wherein
The circular in cross-section of the inner cylinder, is integrally set in the periphery of the wind energy conversion system tower, and with the wind energy conversion system tower It is coaxially arranged, and all have in entire short transverse and on whole circumference direction gap therebetween, the outer cylinder it is transversal Face is in the streamlined in shape of a symmetrical airfoil;
-- also set up a tuned mass damper in the base platform, the tuned mass damper include a tower bending detection device, One mass block and several hydraulic cylinder groups, wherein
Bending direction and degree of the tower bending detection device to detect the wind energy conversion system tower,
The mass block is suspended on the bottom surface of the base platform by lifting rope, and center of gravity is located at the axis of the wind energy conversion system tower On line,
Several hydraulic cylinder groups are circumferentially evenly arranged between the bottom surface and mass block of the base platform, each liquid The both ends of cylinder pressure group are hinged with the bottom surface of the base platform and mass block respectively, by the length for adjusting each hydraulic cylinder group To adjust offset direction and departure degree between the center of gravity of the mass block and the axis of the wind energy conversion system tower.
2. wind energy conversion system tower shock absorber structure according to claim 1, which is characterized in that the tower bending detection device Level meter in the base platform is set for one.
3. wind energy conversion system tower shock absorber structure according to claim 1, which is characterized in that the mass block is a steel ball, An annulus is arranged in the equatorial portion of the steel ball, and the steel ball is circumferentially evenly arranged in the lifting rope on the annulus by multiple groups It is suspended on the bottom surface of the base platform.
4. wind energy conversion system tower shock absorber structure according to claim 3, which is characterized in that the annulus is whole with mass block Body casting.
5. wind energy conversion system tower shock absorber structure according to claim 4, which is characterized in that the weight of the mass block according to The intrinsic frequency of the wind energy conversion system tower is arranged.
6. wind energy conversion system tower shock absorber structure according to claim 5, which is characterized in that at least the four of the mass block A hydraulic cylinder group is respectively set in a orientation, one end of each hydraulic cylinder group is hinged on the annulus, the other end It is hinged on the bottom surface of the base platform.
7. wind energy conversion system tower shock absorber structure according to claim 6, which is characterized in that the tuned mass damper further includes A shockproof control device and a hydraulic station on the base platform top surface are set, and the hydraulic station passes through fluid pressure line and each institute Hydraulic cylinder group fluid communication is stated, the shockproof control device and the tower bending detection device, hydraulic station communicate to connect, the tower Cylinder bending detection device by detected by it tower bending direction and degree information be sent to the shockproof control device, it is described to subtract It shakes controller and the hydraulic station is controlled according to the received tower bending direction and degree information, by regulating and controlling the liquid Pressure station is the charge oil pressure of each hydraulic cylinder group, changes the length of each hydraulic cylinder group, to control the quality Offset direction and departure degree between the center of gravity of block and the axis of the wind energy conversion system tower.
8. wind energy conversion system tower shock absorber structure according to claim 7, which is characterized in that on the top surface of the base platform An electromagnetic shielding net is also set up, the electromagnetic shielding net is covered in the outside of the shockproof control device and hydraulic station.
9. wind energy conversion system tower shock absorber structure according to claim 1, which is characterized in that also set up in the base platform One lightning-protection device, the lightning-protection device include an earth cable and a lightning rod, and the lightning rod is arranged described On the top surface of base platform, the earth cable is arranged in the wind energy conversion system tower, and the upper end is connect with the lightning rod, under End ground connection.
10. wind energy conversion system tower shock absorber structure according to claim 1, which is characterized in that the annular inflatable air bag Seal is located at its top rear, is inflated by inflator or using air compression gas tank, or by flat in the pedestal Compressor is arranged on platform to be inflated.
CN201910173813.3A 2019-03-08 2019-03-08 Wind turbine tower barrel shock absorber structure, mounting method and adjusting method Active CN109869281B (en)

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Publication number Priority date Publication date Assignee Title
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CN205918203U (en) * 2016-06-28 2017-02-01 江苏海上龙源风力发电有限公司 Marine anemometer tower of portable floating with quenching and tempering attenuator
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