CN207647695U - A kind of wind power tower introducing tuned mass damper - Google Patents

A kind of wind power tower introducing tuned mass damper Download PDF

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Publication number
CN207647695U
CN207647695U CN201721485049.6U CN201721485049U CN207647695U CN 207647695 U CN207647695 U CN 207647695U CN 201721485049 U CN201721485049 U CN 201721485049U CN 207647695 U CN207647695 U CN 207647695U
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China
Prior art keywords
mass
pylon
wind power
support
barrel
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Active
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CN201721485049.6U
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Chinese (zh)
Inventor
侯亚委
秦春雷
李庆建
刘学武
王小合
张丹
赵迎九
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Huadian Heavy Industries Co Ltd
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Huadian Heavy Industries Co Ltd
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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 utility model belongs to wind power tower vibration damping field, is specifically related to a kind of wind power tower introducing tuned mass damper.Tuned mass damper is arranged in pylon wall inner portion in the structure, and tuned mass damper therein includes:Mass body, when pylon is swung by external force, the mass body generates opposite swing, to reduce the swing of pylon;Support, the multiple supports of impartial setting on the upside of mass body, the multiple supports of impartial setting on the downside of the mass body, the upside support are corresponding with the downside Support Position and quantity, support is flexible connector, and one end of support is fixedly connected on the pylon cylinder inner wall.By the resilient support being accordingly arranged up and down, mass body is arranged in wind power tower well, achievees the purpose that vibration damping to adjust vibration displacement and the period of entire pylon to change tower movement form with mass body and tower relative motion.

Description

A kind of wind power tower introducing tuned mass damper
Technical field
The utility model is related to wind power tower vibration damping fields, and in particular to a kind of wind power tower introducing tuned mass damper.
Background technology
Wind generating technology is quickly grown, and is increasingly developed towards the direction of high-power, big blade, high tower, blower fan pylon Height and the scale of construction constantly increase, but since pylon is from the soft characteristic of height, and the vibration and deformation of pylon structure are with pylon when operation The increase of height and become larger, the shelf life of tower body is not only shortened in frequently excessive shaking, even results in tower body fatigue rupture or strong Degree is to cause accident.Therefore, main support structure of the wind power tower structure as wind turbine, under earthquake and high wind load action Safety must be guaranteed.
To solve the above-mentioned problems, in recent years it has been proposed that damper is arranged inside tower, to reach wind-powered electricity generation The purpose of pylon vibration damping, patent CN105298198A disclose a kind of anti-buckling vibration damping suitable for wind tower conical tower barrel structure Device, the vibration absorber include the platform of arm brace, damper support, the suspension damper made of steel plate or girder steel. Tuned mass damper, i.e. tuned damper has also been introduced in the structure, but its is complicated, and installation trouble is not easy to implement.
Utility model content
The purpose of the utility model is to overcome the complicated of tuned damper is arranged in wind power tower in the prior art The problem of, to provide a kind of wind power tower of introducing tuned mass damper simple in structure.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
Tuned mass damper, the quenched resistance is arranged in pylon wall inner portion in a kind of wind power tower introducing tuned mass damper Buddhist nun's device includes:
Mass body;
Multiple elastic supporting member for supporting optical member, the multiple elastic supporting member for supporting optical member one end connect the mass body, and the other end connects the tower Frame barrel, the multiple elastic supporting member for supporting optical member make the mass body vacantly be arranged in the pylon wall inner portion;
When relative motion occurs for the mass body and the pylon barrel, it is located at the negative side of the mass body direction of motion Apply the elasticity for preventing the mass body from being moved towards the direction of motion to the elastic supporting member for supporting optical member of side to the mass body Biasing force.
Centered on the mass body, the other end is fixedly attached to described to external radiation for the multiple elastic supporting member for supporting optical member one end On pylon barrel.
The multiple resilient support includes:Multiple first support elements are set on the upside of the mass body, in the matter It measures and multiple second support elements, upside first support element and downside second support element position sum number is set on the downside of body It measures corresponding.
First support element and second support element are disposed as 3.
The elastic supporting member for supporting optical member is steel wire rope.
The quality of the mass body is adjusted according to the difference of the pylon barrel.
The pylon barrel is the centrum of upper and lower isodiametric cylindrical structure or Diameter Gradual Change.
The pylon barrel rolled using steel plate, weld by the way of be made.
The multiple tuned mass dampers of setting, axis of the multiple tuned mass damper along the pylon barrel in the pylon barrel It is arranged to direction interval.
The quantity of the tuned mass damper is determined according to the length of the pylon barrel.
The utility model has the beneficial effects that:(1) wind power tower provided by the utility model for introducing tuned mass damper, leads to The resilient support being accordingly arranged up and down is crossed, mass body is arranged in wind power tower well, it is opposite with tower with mass body Movement achievees the purpose that vibration damping to adjust vibration displacement and the period of entire pylon to change tower movement form.Specifically When mass body be in it is static when, dead weight by mass body top resilient support socket, when mass body for tower have relative motion when, When being moved downward with respect to tower such as mass body, mass body upper support pulling force increases, and quality is prevented to move downward;When mass body phase When being moved upwards to tower, mass body lower support pulling force increases, and quality is prevented to move upwards;Similarly mass body side-to-side movement When, mass body or so supports similar action.
(2) wind power tower provided by the utility model for introducing tuned mass damper, by impartial on the upside of the mass body 3 supports of setting, the impartial support corresponding with the Support Position of upside of setting 3, reaches on the downside of the mass body The purpose of good fixed mass body is arrived.
(3) weight of purification sublimation apparatus provided by the utility model, mass body can carry out phase according to the different of pylon The quantity of the adjusting answered, tuned mass damper can be selected according to the length of pylon, so as to reach better vibration damping effect Fruit.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1:The utility model pylon overall structure diagram;
Fig. 2:The utility model pylon front view;
Fig. 3:A-A sectional views in Fig. 2.
Reference sign:
1- pylon barrels, 2- mass bodies, 3- elastic supporting member for supporting optical member.
Specific implementation mode
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
It is a kind of to introduce the wind power tower of tuned mass damper, as shown in Figure 1, tuned mass damper is set inside pylon barrel 1, Tuned mass damper includes:
Mass body 2, when pylon is swung by external force, the mass body 2 generates opposite swing, to reduce the pendulum of pylon It is dynamic;
Multiple elastic supporting member for supporting optical member 3, in order to make mass body 2 there is the space of movement, support element to be set as the shape of elastic supporting member for supporting optical member 3 Formula;3 one end of the multiple elastic supporting member for supporting optical member connects the mass body, and the other end connects the pylon barrel 1, the multiple elasticity Support element 3 is so that the mass body 2 is vacantly arranged inside the pylon barrel 1;
When relative motion occurs for the mass body 2 and the pylon barrel 1, it is located at 2 direction of motion of the mass body The elastic supporting member for supporting optical member 3 of negative direction side applies to the mass body 2 prevents the mass body 2 from being moved towards the direction of motion Flexible bias pressure.
For 3 one end of the multiple elastic supporting member for supporting optical member centered on the mass body 2, the other end is fixedly attached to institute to external radiation It states on pylon barrel 1.Multiple first support elements specifically are set in 2 upside of the mass body, in 2 downside of the mass body Multiple second support elements, upside first support element and downside second support element position are set and quantity is opposite It answers.As shown in Figs. 1-3.
Steel wire rope is flexible connector commonly used in the art, and the support 3 can be selected as steel wire rope.
As shown in Figs. 1-3, the quantity of the support 3 is upside 3, downside 3.
The quality of the mass body 2 is adjusted according to the difference of the pylon barrel 1, so as to for different towers Frame all plays better effectiveness in vibration suppression.
The pylon barrel 1 could be provided as isodiametric cylindrical structure up and down, may be set to be the vertebra of Diameter Gradual Change Body.
The pylon barrel 1 rolled using steel plate, weld by the way of be made.
The multiple tuned mass dampers of setting in the pylon barrel 1, the multiple tuned mass damper is along the pylon barrel Axial direction interval is arranged.
The quantity of the tuned mass damper is selected according to the length of the pylon barrel 1.
Operation principle:Vibration displacement and the week of entire pylon are adjusted with mass body 2 and 1 relative motion of pylon barrel Phase, to change tower movement form.When mass body 2 be in it is static when, dead weight by 2 top of mass body elastic supporting member for supporting optical member draw It connects, when mass body 2 has relative motion for pylon barrel 1, when being moved downward with respect to pylon barrel 1 such as mass body 2, mass body 2 top elastic supporting member for supporting optical member, 3 pulling force increases, and mass body 2 is prevented to move downward;When mass body 2 is moved upwards with respect to pylon barrel 1 When, 2 lower elastic support element of mass body, 3 pulling force increases, and mass body 2 is prevented to move upwards;Similarly when 2 side-to-side movement of mass body, The elastic supporting member for supporting optical member 3 of mass body 2 or so plays similar action.

Claims (10)

1. a kind of wind power tower introducing tuned mass damper, is arranged tuned mass damper inside pylon barrel (1), feature exists In the tuned mass damper includes:
Mass body (2);
Multiple elastic supporting member for supporting optical member (3), the multiple elastic supporting member for supporting optical member (3) one end connect the mass body (2), and the other end connects institute Pylon barrel (1) is stated, the multiple elastic supporting member for supporting optical member (3) is so that the mass body (2) is vacantly arranged in the pylon barrel (1) It is internal;
When relative motion occurs for the mass body (2) and the pylon barrel (1), it is located at the mass body (2) direction of motion The elastic supporting member for supporting optical member (3) of negative direction side apply to the mass body (2) and prevent the mass body (2) towards the movement The flexible bias pressure of direction movement.
2. wind power tower according to claim 1, which is characterized in that the multiple elastic supporting member for supporting optical member (3) one end is with described Centered on mass body (2), the other end is fixedly attached to external radiation on the pylon barrel (1).
3. wind power tower according to claim 1 or 2, which is characterized in that the multiple resilient support includes:In the matter Multiple first support elements are arranged in amount body (2) upside, multiple second support elements of setting on the downside of the mass body (2), described in upside First support element and downside second support element position and quantity are corresponding.
4. wind power tower according to claim 3, which is characterized in that first support element and second support element are equal It is set as 3.
5. wind power tower according to claim 4, which is characterized in that the elastic supporting member for supporting optical member (3) is steel wire rope.
6. wind power tower according to claim 5, which is characterized in that the quality of the mass body (2) is according to the pylon The difference of barrel (1) is adjusted.
7. wind power tower according to claim 6, which is characterized in that the pylon barrel (1) is upper and lower isodiametric circle The centrum of barrel structure or Diameter Gradual Change.
8. wind power tower according to claim 7, which is characterized in that the pylon barrel (1) is rolled using steel plate, welded Mode be made.
9. wind power tower according to claim 8, which is characterized in that the multiple quenched resistances of setting in the pylon barrel (1) Buddhist nun's device, the multiple tuned mass damper are arranged along the axial direction interval of the pylon barrel (1).
10. wind power tower according to claim 9, which is characterized in that the quantity of the tuned mass damper is according to the tower The length of frame barrel (1) determines.
CN201721485049.6U 2017-11-09 2017-11-09 A kind of wind power tower introducing tuned mass damper Active CN207647695U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721485049.6U CN207647695U (en) 2017-11-09 2017-11-09 A kind of wind power tower introducing tuned mass damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721485049.6U CN207647695U (en) 2017-11-09 2017-11-09 A kind of wind power tower introducing tuned mass damper

Publications (1)

Publication Number Publication Date
CN207647695U true CN207647695U (en) 2018-07-24

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN207647695U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109973323A (en) * 2019-04-03 2019-07-05 东北电力大学 A kind of damping type wind turbine tower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109973323A (en) * 2019-04-03 2019-07-05 东北电力大学 A kind of damping type wind turbine tower
CN109973323B (en) * 2019-04-03 2020-10-23 东北电力大学 Vibration reduction type wind power generation tower

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