CN113605774B - Line lateral wind power component for reducing linear rod under extreme strong wind - Google Patents
Line lateral wind power component for reducing linear rod under extreme strong wind Download PDFInfo
- Publication number
- CN113605774B CN113605774B CN202111180099.4A CN202111180099A CN113605774B CN 113605774 B CN113605774 B CN 113605774B CN 202111180099 A CN202111180099 A CN 202111180099A CN 113605774 B CN113605774 B CN 113605774B
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- shaped clamping
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- hoop
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/20—Side-supporting means therefor, e.g. using guy ropes or struts
Abstract
The invention provides a line lateral wind power component for reducing a linear rod under extreme strong wind, which relates to the technical field of electric power facilities and comprises a fixed hoop and a U-shaped clamping piece; the fixed hoop is connected to the outer side of the linear rod, and two sides of the fixed hoop are respectively connected with a damper; the U-shaped clamping piece is provided with two positions, wherein one position of the U-shaped clamping piece is connected to the outer side of the fixed hoop, and the other position of the U-shaped clamping piece is connected to the outer side of the wind shield outer cover and is fastened with a bolt; is connected to the inside of the U-shaped clamping piece; the wind shielding outer cover is fixedly connected to the outer side of the linear rod through a U-shaped clamping piece; when the linear rod is shaken under the influence of lateral wind power of a line, the dampers on the two sides of the fixed hoop synchronously swing, the shaking amplitude of the linear rod is greatly reduced through the self-swinging of the dampers, the stability of the linear rod in extreme gale weather is guaranteed, and the wind resistance safety level of the linear rod is improved, so that the bottom of the linear rod is prevented from being broken due to overlarge shaking amplitude, and economic and property losses are avoided.
Description
Technical Field
The invention belongs to the technical field of electric power facilities, and particularly relates to a line side wind power component for reducing a linear rod under extreme strong wind.
Background
The telegraph pole is a pole for erecting electric wires, is generally used for lines with not high voltage grade, is mostly made of reinforced concrete by pouring, is widely applied to urban and rural electric power transmission projects, is divided into two types of linear poles and tension poles, and the linear poles are used on the linear part of the lines and mainly bear the weight of a lead and side wind power.
The wind power component for the linear pole can refer to patent No. CN110894759A, and mainly comprises telegraph poles, clamping sleeves, connecting cross rods and stabilizing support rods, wherein the number of the telegraph poles is three, each telegraph pole is uniformly provided with annular grooves from top to bottom, each annular groove on each telegraph pole is connected with one clamping sleeve, each clamping sleeve on the middle telegraph pole and each clamping sleeve on the outer telegraph pole with the corresponding height are connected with one connecting cross rod, and one stabilizing support rod is connected between two connecting cross rods which are adjacent from top to bottom, so that the problem that the telegraph poles are erected in a field is solved; the potential danger of toppling over of the telegraph pole exists in severe weather such as strong wind and the like, and the telegraph pole cannot be erected too high due to safety considerations; climbing is comparatively inconvenient when the circuit on the wire pole needs to overhaul, and does not have the protection when climbing the wire pole and leads to the security relatively poor.
When the existing similar wind power component for the linear rod is used in extreme strong wind weather, the protection effect on the linear rod is poor, the linear rod is easily influenced by wind power to swing to a large extent, cracks are generated at the bottom of the linear rod, the service life of the linear rod is shortened, and the bottom of the linear rod is directly broken due to heavy force, so that economic and property losses are caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides a line side wind power component for reducing a straight line rod under extreme strong wind, and aims to solve the problems that when the existing wind power component similar to the straight line rod is used under extreme strong wind weather, the protection effect on the straight line rod is poor, the straight line rod is easy to swing to a large extent under the influence of wind power, cracks are generated at the bottom of the straight line rod when the existing wind power component is used, the service life of the straight line rod is shortened, and the bottom of the straight line rod is directly broken when the existing wind power component is used under extreme strong wind weather, so that economic and property losses are caused.
The invention relates to a purpose and an effect of reducing a line side wind power component of a linear rod under extreme strong wind, which are achieved by the following specific technical means: a line side wind force component for reducing linear rods under extreme high winds comprises a fixed hoop; the fixed hoop is connected to the outer side of the linear rod, and two sides of the fixed hoop are respectively connected with a damper; the U-shaped clamping piece is provided with two positions, one position is connected to the outer side of the fixed hoop, the other position is connected to the outer side of the wind shield outer cover, and the fastening bolt is connected to the inner part of the U-shaped clamping piece; the wind shield outer cover is fixedly connected to the outer side of the linear rod through the U-shaped clamping piece.
Further, the fixing hoop comprises: the two ends of the left hoop sheet are respectively provided with a fixed notch A, and the outer side of the right hoop sheet is symmetrically provided with two guide sliding columns A, and the two ends of the right hoop sheet are connected with the two ends of the left hoop sheet.
Further, the outer side of the right hoop piece is connected with a U-shaped clamping piece, two ends of the U-shaped clamping piece are respectively connected in the fixed opening A in a sliding mode, two guide sliding holes are symmetrically formed in the U-shaped clamping piece, and the guide sliding holes are connected to the outer side of the guide sliding column A in a sliding mode.
Furthermore, a screw hole is formed in the middle of the U-shaped clamping piece, the fastening bolt is connected in the screw hole in a threaded mode, and the inner end of the fastening bolt is attached to the outer side of the right hoop sheet.
Further, the damper includes: the bottom end of the support frame is in a water-drop shape, and the top end of the support frame is respectively and rotatably connected to two sides of the fixed hoop; the balancing weights are respectively installed in the bottom ends of the supporting frames.
Furthermore, the fixed hoop is positioned at the top of the wind shielding outer cover, the damper moves inside the wind shielding outer cover, and the outer side of the wind shielding outer cover adopts a streamline design.
Further, the wind screen cover includes: the two ends of the left cover shell are respectively provided with a fixed gap B; the outer side of the right housing is symmetrically provided with two guide sliding columns B, two ends of the right housing are respectively connected with two ends of the left housing, the outer side of the right housing is connected with a U-shaped clamping piece, two ends of the U-shaped clamping piece are respectively connected in the fixed opening B in a sliding mode, a guide sliding hole is connected to the outer side of the guide sliding column B in a sliding mode, and the inner end of a fastening bolt is attached to the outer side of the right housing.
Furthermore, the two ends of the top of the fixed hoop are respectively connected with a turn buckle through fastening bolts, the top end of the turn buckle is rotationally connected with the fixed hoop, the two ends of the bottom of the wind shielding outer cover are respectively connected with a turn buckle through fastening bolts, the top end of the turn buckle is rotationally connected with the wind shielding outer cover, and the bottom end of the turn buckle is connected with a pull-wire chassis embedded in the ground through a pull wire.
Compared with the prior art, the invention has the following beneficial effects:
1. fixed cuff, the setting of U type holder and fastening bolt, be favorable to driving the outside horizontal migration of right hoop piece outside U type holder through fastening bolt, make U type holder both ends drive the inside horizontal migration of left hoop piece, reduce spacing distance between left hoop piece and the right hoop piece, it encircles the form centre gripping in the sharp pole outside to make left hoop piece inboard be with right hoop piece inboard, ensure the fastness that fixed cuff and sharp pole are connected, only need to realize through single fastening bolt that fixed cuff installation is fixed, it is more simple and convenient to make fixed cuff dismouting, shorten artifical dismouting time, save artifical installation cost.
2. The setting of attenuator is favorable to receiving the influence of circuit side direction wind-force to take place to rock when the linear pole, and the synchronous swing of fixed cuff both sides attenuator reduces the linear pole range of rocking greatly through attenuator self swing, ensures the stability of linear pole under extreme strong wind weather, promotes the anti-wind security level of linear pole to avoid the linear pole bottom to break because of the too big emergence of range of rocking, cause economic loss of property.
3. The arrangement of the wind shielding outer cover is beneficial to blocking wind power through the wind shielding outer cover in extreme gale weather, so that the internal damper is prevented from being influenced by the extreme gale weather, the gravity swing reset effect of the damper is guaranteed, and the stable protection effect of the damper on the linear rod is further guaranteed; and the U-shaped clamping piece outside the right housing is driven to move outwards and horizontally through the fastening bolt, so that the two ends of the U-shaped clamping piece drive the left housing to move inwards and horizontally, the spacing distance between the left housing and the right housing is reduced, the inner side of the left housing and the inner side of the right housing are clamped outside the linear rod in a surrounding manner, and the firmness of connection of the wind shielding housing and the linear rod is ensured.
Drawings
Fig. 1 is a schematic view of a top-axis side mounting structure of the present invention.
Fig. 2 is a schematic view of the bottom shaft side mounting structure of the present invention.
FIG. 3 is a schematic view of the connection structure of the fixing ferrule and the damper of the present invention.
Fig. 4 is a schematic view of the structure of the damper of the present invention on the shaft side in a swing state.
FIG. 5 is a schematic view of the two-part split axial configuration of the retainer ferrule of the present invention.
FIG. 6 is a schematic view of the present invention showing the fixed ferrule and the U-shaped clamping member separated from each other.
Fig. 7 is a schematic view of the axial side structure of the wind shield cover of the present invention.
FIG. 8 is a schematic view of the two-part axially split structure of the windshield of the present invention.
FIG. 9 is a schematic view of the structure of the wind shield cover and the U-shaped clamping member of the invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a fixed ferrule; 101. a left hoop sheet; 1011. fixing a gap A; 102. a right hoop sheet; 1021. a guide strut A; 2. a U-shaped clamping member; 201. a guide slide hole; 202. a screw hole; 3. fastening a bolt; 4. a damper; 401. a support frame; 402. a balancing weight; 5. a wind-shielding outer cover; 501. a left housing; 5011. fixing a gap B; 502. a right housing; 5021. a guide strut B; 6. the turn buckle.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in figures 1 to 9: the invention provides a line side wind power component for reducing a linear rod under extreme strong wind, which comprises a fixed hoop 1 and a U-shaped clamping piece 2; the fixed hoop 1 is connected to the outer side of the linear rod, and two sides of the fixed hoop 1 are respectively connected with a damper 4; the U-shaped clamping piece 2 is provided with two positions, wherein one U-shaped clamping piece 2 is connected to the outer side of the fixed hoop 1, the other U-shaped clamping piece 2 is connected to the outer side of the wind shield cover 5, and the fastening bolt 3 is connected to the inner part of the U-shaped clamping piece 2; the wind shield outer cover 5 is fixedly connected to the outer side of the linear rod through the U-shaped clamping piece 2; fixed 1 top both ends of cuff are connected with basket of flowers bolt 6 through fastening bolt 3 respectively, 6 tops of basket of flowers bolt are connected with fixed cuff 1 rotation, 5 bottom both ends of the dustcoat of keeping out the wind are connected with basket of flowers bolt 6 through fastening bolt 3 respectively, 6 tops of basket of flowers bolt are connected with 5 rotations of the dustcoat of keeping out the wind, and 6 bottoms of basket of flowers bolt link to each other through acting as go-between and the chassis of acting as go-between that buries ground, it links to each other fixed cuff 1 and the dustcoat of keeping out the wind 5 and the chassis of acting as go-between that buries ground through basket of flowers bolt 6, exert pulling force to linear pole both sides, further ensure the stability of linear pole under extreme strong wind weather.
Wherein, the damper 4 includes: a support frame 401 and a counterweight 402; the bottom end of the support frame 401 is in a water drop shape, the top end of the support frame 401 is respectively and rotatably connected to two sides of the fixed hoop 1, and the balancing weights 402 are respectively installed in the bottom end of the support frame 401;
by adopting the technical scheme, when the linear rod is affected by the lateral wind of the line and shakes, the dampers 4 on the two sides of the fixed hoop 1 synchronously swing, the shaking amplitude of the linear rod is greatly reduced through the swinging of the dampers 4, and the stability of the linear rod in extreme gale weather is guaranteed.
Wherein, the fixed hoop 1 is positioned at the top of the wind shield 5, the damper 4 is movably arranged inside the wind shield 5, and the outer side of the wind shield 5 adopts a streamline design; by adopting the technical scheme, when the wind is in the extreme gale weather, the wind is blocked by the wind shielding outer cover 5, so that the internal damper 4 is free from the influence of the extreme gale weather, the gravity swing reset effect of the damper 4 is guaranteed, and the stable protection effect of the damper 4 on the linear rod is guaranteed.
Example two:
the fixing hoop 1 comprises: a left cuff piece 101 and a right cuff piece 102; two ends of the left hoop sheet 101 are respectively provided with a fixed gap A1011; the outer side of the right hoop piece 102 is symmetrically provided with two guide sliding columns A1021, two ends of the right hoop piece 102 are connected with two ends of the left hoop piece 101, the outer side of the right hoop piece 102 is connected with a U-shaped clamping piece 2, two ends of the U-shaped clamping piece 2 are respectively connected in a fixed opening A1011 in a sliding mode, two guide sliding holes 201 are symmetrically formed in the U-shaped clamping piece 2, the guide sliding holes 201 are connected in the outer side of the guide sliding columns A1021 in a sliding mode, the middle of the U-shaped clamping piece 2 is provided with a screw hole 202, a fastening bolt 3 is connected in the screw hole 202 in a threaded mode, and the inner end of the fastening bolt 3 is attached to the outer side of the right hoop piece 102; adopt above-mentioned technical scheme, drive the outside horizontal migration of right hoop piece 102 outside U type holder 2 through fastening bolt 3, make U type holder 2 both ends drive the inside horizontal migration of left hoop piece 101, reduce the interval distance between left hoop piece 101 and the right hoop piece 102, make left hoop piece 101 inboard and right hoop piece 102 inboard be the form centre gripping of encircleing in the straight line pole outside, guarantee the fastness of fixed hoop 1 and straight line pole connection, only need can realize fixed hoop 1 installation fixed through single fastening bolt 3, make the dismouting of fixed hoop 1 simpler and more convenient, shorten artifical dismouting time, save artifical installation cost.
Example three:
the wind screen cover 5 includes: a left cover 501 and a right cover 502; two ends of the left housing 501 are respectively provided with a fixed gap B5011; two guide sliding columns B5021 are symmetrically arranged on the outer side of the right housing 502, two ends of the right housing 502 are respectively connected with two ends of the left housing 501, a U-shaped clamping piece 2 is connected to the outer side of the right housing 502, two ends of the U-shaped clamping piece 2 are respectively connected into a fixed notch B5011 in a sliding mode, a guide sliding hole 201 is connected to the outer side of the guide sliding column B5021 in a sliding mode, and the inner end of a fastening bolt 3 is attached to the outer side of the right housing 502; by adopting the technical scheme, the fastening bolt 3 drives the U-shaped clamping piece 2 outside the right housing 502 to move horizontally outwards, so that the two ends of the U-shaped clamping piece 2 drive the left housing 501 to move horizontally inwards, the spacing distance between the left housing 501 and the right housing 502 is reduced, the inner side of the left housing 501 and the inner side of the right housing 502 are clamped outside the linear rod in a surrounding manner, and the firmness of the wind shielding outer housing 5 connected with the linear rod is ensured.
The specific use mode and function of the embodiment are as follows: when the clamp is used, the U-shaped clamping piece 2 on the outer side of the right hoop piece 102 is driven to move outwards and horizontally through the fastening bolt 3, so that the two ends of the U-shaped clamping piece 2 drive the left hoop piece 101 to move inwards and horizontally, the spacing distance between the left hoop piece 101 and the right hoop piece 102 is reduced, the inner side of the left hoop piece 101 and the inner side of the right hoop piece 102 are clamped on the outer side of a linear rod in a surrounding manner, and the connection firmness of the fixed hoop 1 and the linear rod is guaranteed; then, the U-shaped clamping piece 2 on the outer side of the right housing 502 is driven to move outwards and horizontally through the fastening bolt 3, so that the two ends of the U-shaped clamping piece 2 drive the left housing 501 to move inwards and horizontally, the spacing distance between the left housing 501 and the right housing 502 is reduced, the inner side of the left housing 501 and the inner side of the right housing 502 are clamped on the outer side of the linear rod in a surrounding manner, the wind shielding outer cover 5 is positioned outside the damper 4, and the firmness of connection between the wind shielding outer cover 5 and the linear rod is guaranteed; finally, the fixed hoop 1 and the wind shield 5 are connected with a stay wire chassis buried in the ground through a turn buckle 6, and tension is applied to two sides of the straight line rod, so that the stability of the straight line rod in extreme gale weather is guaranteed; when the straight line rod is affected by the lateral wind of the line to shake in extreme gale weather, the dampers 4 on the two sides of the fixed hoop 1 synchronously swing, the shaking amplitude of the straight line rod is greatly reduced through the self-swinging of the dampers 4, the stability of the straight line rod in extreme gale weather is guaranteed, and the wind resistance safety level of the straight line rod is improved, so that the bottom of the straight line rod is prevented from being broken due to overlarge shaking amplitude, and economic and property losses are avoided; the wind shielding outer cover 5 blocks wind power, so that the internal damper 4 is free from the influence of extreme strong wind weather, the gravity swing reset effect of the damper 4 is guaranteed, and the stable protection effect of the damper 4 on the linear rod is guaranteed.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (4)
1. A line side wind member for reducing linear pole extreme winds, comprising: comprises a fixed hoop (1); the fixed hoop (1) is connected to the outer side of the linear rod, and dampers (4) are connected to the two sides of the fixed hoop (1) respectively; the U-shaped clamping piece (2) is provided with two positions, one U-shaped clamping piece (2) is connected to the outer side of the fixed hoop (1), the other U-shaped clamping piece (2) is connected to the outer side of the wind shielding outer cover (5), and the fastening bolt (3) is connected to the inner part of the U-shaped clamping piece (2); the wind shielding outer cover (5) is fixedly connected to the outer side of the linear rod through a U-shaped clamping piece (2);
the damper (4) comprises: the bottom end of the support frame (401) is in a water drop shape, and the top end of the support frame (401) is respectively and rotatably connected to two sides of the fixed hoop (1); the balancing weights (402) are respectively installed in the bottom ends of the supporting frames (401);
the fixed hoop (1) comprises: the two ends of the left hoop sheet (101) are respectively provided with a fixed gap A (1011); the outer side of the right hoop sheet (102) is symmetrically provided with two guide sliding columns A (1021), and two ends of the right hoop sheet (102) are connected with two ends of the left hoop sheet (101);
the outer side of the right hoop piece (102) is connected with a U-shaped clamping piece (2), two ends of the U-shaped clamping piece (2) are respectively connected into a fixed notch A (1011) in a sliding mode, two guide sliding holes (201) are symmetrically formed in the U-shaped clamping piece (2), and the guide sliding holes (201) are connected to the outer side of a guide sliding column A (1021) in a sliding mode;
screw holes (202) are formed in the middle of the U-shaped clamping piece (2), fastening bolts (3) are connected in the screw holes (202) in a threaded mode, and the inner ends of the fastening bolts (3) are attached to the outer side of the right hoop sheet (102).
2. A line side wind member for reducing linear pole extreme winds as claimed in claim 1, wherein: the fixed hoop (1) is positioned at the top of the wind shielding outer cover (5), the damper (4) is movable inside the wind shielding outer cover (5), and the outer side of the wind shielding outer cover (5) adopts a streamline design.
3. A line side wind member for reducing linear pole extreme winds as claimed in claim 2, wherein: the wind shield cover (5) comprises:
two ends of the left housing (501) are respectively provided with a fixed gap B (5011);
the right housing (502), the right housing (502) outside is the symmetry form and is equipped with two direction traveller B (5021), right housing (502) both ends link to each other with left housing (501) both ends respectively, right housing (502) outside is connected with U type holder (2), U type holder (2) both ends are sliding connection respectively in fixed opening B (5011), direction slide opening (201) sliding connection is in the direction traveller B (5021) outside, the laminating in right housing (502) outside in fastening bolt (3) inner.
4. A line side wind reducing structure for linear poles in extreme winds as claimed in any one of claims 1 to 3, wherein: the top two ends of the fixed hoop (1) are connected with the turn buckle (6) through the fastening bolts (3) respectively, the top end of the turn buckle (6) is rotatably connected with the fixed hoop (1), the bottom two ends of the wind shielding outer cover (5) are connected with the turn buckle (6) through the fastening bolts (3) respectively, the top end of the turn buckle (6) is rotatably connected with the wind shielding outer cover (5), and the bottom end of the turn buckle (6) is connected with a pull-wire chassis embedded in the ground through a pull wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180099.4A CN113605774B (en) | 2021-10-11 | 2021-10-11 | Line lateral wind power component for reducing linear rod under extreme strong wind |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180099.4A CN113605774B (en) | 2021-10-11 | 2021-10-11 | Line lateral wind power component for reducing linear rod under extreme strong wind |
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| CN113605774A CN113605774A (en) | 2021-11-05 |
| CN113605774B true CN113605774B (en) | 2021-12-14 |
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| CN207194598U (en) * | 2017-08-15 | 2018-04-06 | 广西电网有限责任公司电力科学研究院 | A kind of tuned mass damper of concrete power transmission rod |
| DE202018102837U1 (en) * | 2018-05-22 | 2018-07-12 | Engiso Aps | Vibration damper for damping tower harmonics |
| CN210768061U (en) * | 2019-08-05 | 2020-06-16 | 上海建顾减震科技有限公司 | Vibration damper for tower mast structure |
| CN110714649B (en) * | 2019-12-06 | 2020-03-31 | 上海量明科技发展有限公司 | Damping device for wind vibration resistance, communication tower and antenna assembly thereof |
| CN111779152A (en) * | 2020-07-27 | 2020-10-16 | 浙江工业大学 | TMD vibration damper for ultrahigh wind turbine stand column |
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