CN115324410A - Steel pipe tower wind vibration control device and steel pipe tower - Google Patents
Steel pipe tower wind vibration control device and steel pipe tower Download PDFInfo
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- CN115324410A CN115324410A CN202211071616.9A CN202211071616A CN115324410A CN 115324410 A CN115324410 A CN 115324410A CN 202211071616 A CN202211071616 A CN 202211071616A CN 115324410 A CN115324410 A CN 115324410A
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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
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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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
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/14—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against other dangerous influences, e.g. tornadoes, floods
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- 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
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- Vibration Prevention Devices (AREA)
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Abstract
The invention relates to a wind vibration control device of a steel tube tower and the steel tube tower, which comprise a first member and a second member, wherein one ends of the first member and the second member are hinged, the other ends of the first member and the second member are detachably connected to form an annular structure matched with the steel tube tower, shock absorption pads are arranged on the inner side surfaces of the first member and the second member, a liquid tank is arranged on the outer side surface of the first member and/or the second member, and the liquid tank is provided with a liquid filling opening and a liquid discharging opening to adjust the quality of liquid in the liquid tank.
Description
Technical Field
The invention relates to the technical field of vibration control of power transmission towers, in particular to a steel tube tower wind vibration control device and a steel tube tower.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The safety and reliability of power transmission towers are receiving widespread social attention. Some power transmission towers need to be reinforced due to changes in regional weather conditions, increased design standards, damage to parts of the components caused by extreme weather, and the like.
Some components of the steel tube tower with large slenderness ratio, particularly components which tend to be arranged horizontally, are easy to vibrate vertical to the wind direction at low wind speed, namely, so-called breeze vibration. The breeze vibration has a characteristic of high frequency and small amplitude, fatigue failure of the steel pipe member is easily caused, and noise generated by the breeze vibration has a great influence on daily life of nearby residents, so that the breeze vibration must be controlled.
Patent CN202706638U provides a steel pipe tower structure for effectively controlling breeze vibration, which changes a steel pipe tower to a non-circular cross-section member, but the inventors found that, with this configuration, it is necessary to change the manufacturing process and mold of the steel pipe tower, the manufacturing cost is high, and the breeze vibration control of the existing steel pipe tower cannot be performed.
Patent CN110847674A discloses a device for suppressing the energy consumption of breeze vibration of a steel pipe tower rod in service, patent CN112610061A discloses a device for suppressing the energy consumption of breeze vibration of a steel pipe tower rod, both the devices can control the breeze vibration, but the inventor finds that, on one hand, no measure for reducing noise is taken when the modes of the two patents are adopted, the effect of noise reduction is not good, on the other hand, if the two devices have errors in the design of installation positions, the device of the patent is installed behind the steel pipe tower, the steel pipe tower still has a relatively obvious breeze vibration phenomenon, at the moment, the device needs to be detached to be installed again at a re-selection position, the operation is complex, the operation is inconvenient, and the time consumption is long.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the wind vibration control device for the steel tube tower, which has a good noise reduction effect, reduces the requirement on the designed installation position, and is convenient to adjust in the later period to achieve the best vibration reduction effect if the installation position has errors.
In order to achieve the purpose, the invention adopts the following technical scheme
In a first aspect, an embodiment of the invention provides a wind vibration control device for a steel tube tower, which comprises a first member and a second member, wherein one ends of the first member and the second member are hinged, the other ends of the first member and the second member are detachably connected to form an annular structure matched with the steel tube tower, shock absorption pads are arranged on the inner side surfaces of the first member and the second member, a liquid tank is arranged on the outer side surface of the first member and/or the second member, and the liquid tank is provided with a liquid filling port and a liquid discharging port so as to adjust the quality of liquid in the liquid tank.
Optionally, one end of the first member is hinged to one end of the second member, the other end of the first member is provided with a fixing plate matched with the fixing plate of the second member, the fixing plates of the first member and the second member are provided with matched fixing holes, and the two fixing plates are detachably fixed through the fixing holes and the fixing pieces.
In a second aspect, an embodiment of the invention provides a steel tube tower wind vibration control device, which comprises a first member and a second member, wherein ends of the first member and the second member on the same side are detachably connected to form an annular structure matched with the steel tube tower, shock absorption pads are arranged on inner side surfaces of the first member and the second member, a liquid tank is arranged on an outer side surface of the first member and/or the second member, and the liquid tank is provided with a liquid adding port and a liquid discharging port to adjust the amount of liquid in the liquid tank.
Optionally, the two ends of the first member and the second member are both provided with fixing plates, the fixing plates are provided with fixing holes, and the fixing plates on the same side of the first member and the second member are detachably and fixedly connected through the fixing holes and the fixing pieces.
Optionally, the first member and the second member both adopt a semicircular annular structure, and correspondingly, the shock pad also adopts a semicircular annular structure.
Optionally, the liquid tank adopts an arc-shaped tank body structure matched with the first member and the second member.
Optionally, the shock pad adopts the rubber pad.
Optionally, the filling opening and the liquid discharge opening are both provided with sealing plugs.
Optionally, the wall of the liquid tank is made of steel.
In a third aspect, an embodiment of the present invention provides a steel pipe tower provided with the steel pipe tower wind vibration control device according to the first or second aspect, wherein a liquid tank contains a set amount of liquid.
The invention has the beneficial effects that:
1. the wind vibration control device of the steel pipe tower is provided with the liquid tank, the liquid tank is provided with the liquid filling port and the liquid discharging port, when the whole control device cannot achieve a good wind vibration control effect due to installation position errors, the weight of liquid in the liquid tank can be adjusted through the liquid filling port and the liquid discharging port, so that the mass distribution and the vibration characteristics of the steel pipe tower are changed, the best wind vibration control effect is achieved, compared with the existing method that the wind vibration control device needs to be detached to reselect the position for installation, the adjusting time is short, the operation is convenient and fast, and the design requirements for the installation position of the control device are reduced.
2. According to the wind vibration control device for the steel tube tower, the liquid tank is arranged, so that the noise reduction effect is achieved, the noise generated by breeze vibration is reduced, and the influence on the daily life of nearby residents is reduced.
3. According to the wind vibration control device for the steel tube tower, the first component and the second component are arranged in a mode, so that the whole control device can be directly installed on the constructed steel tube tower, the steel tube tower does not need to be changed or installed after being dismantled, and the installation is convenient and rapid.
4. According to the wind vibration control device for the steel tube tower, liquid in the liquid tank can also play a role in damping, double damping is formed with the damping pad, and the control effect on vibration is good.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a side view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a first front view of the overall structure of embodiment 1 of the present invention;
FIG. 3 is a second front view of the overall structure of embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the opened state of the first member and the second member in embodiment 1 of the present invention;
FIG. 5 is a side view of the whole structure of embodiment 2 of the present invention;
FIG. 6 is a front view of the whole structure of embodiment 2 of the present invention;
fig. 7 is a schematic view of a wind vibration control device according to embodiment 3 of the present invention installed in embodiment 1 or embodiment 2;
the steel tube tower comprises a steel tube tower body 1, a first component 2, a second component 3, a hinge 4, a fixing bolt 5, a fixing nut 6, a rubber pad 7 and a liquid tank 8.
Detailed Description
Example 1
The embodiment provides a wind vibration control device of a steel pipe tower, as shown in fig. 1-3, which is used for being installed on an existing steel pipe tower 1 and comprises a first member 2 and a second member 3, wherein the first member 2 and the second member 3 are both made of steel, one ends of the first member 2 and the second member 3 are hinged through hinges 4, and the other ends are detachably connected so that the first member 2 and the second member 3 form an annular structure matched with the steel pipe tower.
In the present embodiment, since the steel-tube tower 1 has a circular cross section, the first member 2 and the second member 3 have semicircular annular structures, and the first member 2 and the second member 3 can be combined to form an annular structure matching the steel-tube tower 1.
Specifically, one end of the first component 2 is hinged to one end of the second component 3 through the hinge 4, the other end of the first component 2 is provided with a fixing plate, the fixing plates of the first component 2 and the second component 3 are provided with matched fixing holes, and after the fixing plates of the first component 2 and the second component 3 are attached to each other, the fixing plates of the first component and the second component are fixedly connected through the fixing piece.
In this embodiment, the fixing member adopts fixing bolt 5, and two fixed plates are passed through the fixed orifices in the pole portion of fixing bolt 5, and the partial threaded connection that fixing bolt 5 pole portion wore out the fixed plate has fixation nut 6, and the head through fixation nut 6 and fixing bolt 5 compresses tightly two fixed plates fixedly, and then has realized the fixed connection that can dismantle of first component 2 and 3 tip of second component.
Shock-absorbing pads are fixed on the inner arc surfaces of the first member 2 and the second member 3 and are used for being in contact with the outer peripheral surface of the steel tube tower to play a shock-absorbing role.
In this embodiment, the shock pad is made of a flexible material, and preferably, the shock pad is made of a rubber pad 7.
Because the cross-section of the steel pipe tower 1 is circular, the rubber pad 7 adopts a semicircular ring structure matched with the steel pipe tower 1, and the inner diameter of the rubber pad 7 is smaller than the outer diameter of the steel pipe tower 1, so that after the rubber pad 7 is contacted with the steel pipe tower 1, certain deformation can be generated under the extrusion action of the first component 2 and the second component 3.
The liquid tanks 8 are fixed on the outer arc surfaces of the first member 2 and/or the second member 3, in the embodiment, the liquid tanks 8 are fixed on the outer arc surfaces of the first member 2 and the second member 3, and the two liquid tanks 8 are symmetrically arranged relative to the center of the circular ring structure formed by the first member 2 and the second member 3.
The liquid tank 8 is made of steel materials and can achieve the effect of improving the bearing capacity of the steel pipe tower, and the liquid tank 8 is welded and fixed on the outer arc surfaces of the first component 2 and the second component 3.
In this embodiment, the liquid tank 8 has an arc-shaped tank structure that matches the first member 2 and the second member 3.
A liquid filling opening and a liquid discharging opening are formed in the liquid tank 8, the liquid filling opening and the liquid discharging opening in the liquid tank 8 are arranged according to the installation position of the liquid tank, and the height of the liquid filling opening is higher than that of the liquid discharging opening.
Liquid in the joining liquid tank 8 is water or has the liquid of setting for viscosity, through the liquid in the liquid tank 8, can play the effect of making an uproar to fall in the amortization on the one hand, avoids the produced noise of breeze vibration to the influence that near resident life produced, and the liquid in the liquid tank 8 can also play the cushioning effect simultaneously, forms dual damping with the cooperation of rubber pad 7, and vibration control is effectual.
The filling opening and the liquid discharge opening of the liquid tank 8 are both provided with a sealing plug for sealing the filling opening and the liquid discharge opening, the sealing plug is of a conical structure and is made of rubber materials, or the sealing plug is made of rigid materials and is in threaded connection with the filling opening or the liquid discharge opening, and technicians in the field can set the sealing plug according to actual needs.
The use method of the wind vibration control device of the embodiment comprises the following steps:
designing the sizes of all parts of the steel tube tower wind vibration control device according to the steel tube tower to be reinforced and damped, and then processing the wind vibration control device according to the designed sizes.
The installation position of the steel pipe tower wind vibration control device on the steel pipe tower is designed in advance.
The steel tube tower wind vibration control device is installed at the designed installation position by detaching the fixing bolt 5 and the fixing nut 6, filling water in the liquid tank 8 in advance, opening the first member 2 and the second member 3 as shown in fig. 4, then sleeving the first member 2 and the second member 3 on the periphery of the steel tube tower 1 at the designed installation position, then closing the first member 2 and the second member 3, fixing the ends of the first member 2 and the second member 3 by using the fixing bolt 5 and the fixing nut 6, and pressing the rubber gasket 7 on the periphery of the steel tube tower 1 by using the first member 2 and the second member 3.
After the steel pipe tower wind vibration control device is installed at all designed positions, the control effect of breeze vibration is observed, if the control effect is not good, the plugging plug at the liquid discharge hole of the liquid tank 8 is opened, then water is discharged, and the weight of the liquid tank 8 is adjusted until the optimal breeze vibration control effect is achieved.
The steel pipe tower wind vibration control device of the embodiment is added into the original steel pipe tower, so that the stability of the steel pipe tower wind vibration control device can be obviously improved, and the bearing capacity of the steel pipe tower wind vibration control device is improved. The device can increase the local cross-sectional area of the steel pipe tower, adjust the mass and rigidity distribution of the steel pipe tower and avoid the similar resonance phenomenon. The external first member 2, the external second member 3 and the external liquid tank 8 can control the overall pressure stability of the original steel tube tower, and the bearing capacity of the original steel tube tower under the pressure effect is obviously improved. And be provided with filling opening and leakage fluid dram in the liquid case 8, the mass distribution of accessible regulation liquid case messenger steel-pipe tower is more reasonable, and then reaches best breeze vibration control effect, compares with current needs pull down wind vibration controlling means and reselect the position installation, and the adjustment time is short, and convenient operation is swift, has reduced the design requirement to controlling means mounted position.
In addition, the wind vibration control device of the embodiment can be directly installed on a constructed steel pipe tower, the steel pipe tower does not need to be changed or installed after being detached, and the installation is convenient and fast.
Example 2
The embodiment provides a wind vibration control device for a steel tube tower, as shown in fig. 5-6, which includes a first member and a second member, the first member and the second member can be spliced to form an annular structure matched with the steel tube tower, and the difference from embodiment 1 is that in this embodiment, two end portions of the first member and the second member are both provided with a fixing plate, and the fixing plate is provided with a matched fixing hole.
When the first member and the second member are fixed, the fixing plates on the same side are fixedly connected with the fixing piece through the fixing holes, the fixing piece adopts the fixing bolt and the fixing nut, and the fixing mode of the fixing plates on the same side is the same as that of the fixing plate in the embodiment 1, and the repeated description is not repeated here.
Other structures of embodiment 2 are the same as those of embodiment 1, and the description thereof will not be repeated.
When the rubber gasket is used, the first member and the second member are directly sleeved on the periphery of the designed installation position of the steel pipe tower and are fixed by the fixing bolt and the fixing nut, so that the rubber gasket is pressed tightly on the steel pipe tower.
The other steps in use are the same as in example 1, and are not described repeatedly here.
Example 3
In the present embodiment, as shown in fig. 7, at least one steel pipe tower wind vibration control device described in embodiment 1 or embodiment 2 is provided on a set member of the steel pipe tower, a liquid tank of the steel pipe tower has a set amount of liquid, and the liquid is water or other liquid with a set viscosity, and the set amount enables the liquid to achieve an optimal breeze vibration control effect, and can be obtained by adjusting the quality of the liquid through a liquid filling opening and a liquid discharging opening.
Other structures of the steel pipe tower may be conventional structures, and will not be described in detail here.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The wind vibration control device of the steel pipe tower is characterized by comprising a first member and a second member, wherein one ends of the first member and the second member are hinged, the other ends of the first member and the second member are detachably connected to form an annular structure matched with the steel pipe tower, shock absorption pads are arranged on the inner side surfaces of the first member and the second member, a liquid tank is arranged on the outer side surface of the first member and/or the second member, and the liquid tank is provided with a liquid filling port and a liquid discharging port to adjust the quality of liquid in the liquid tank.
2. The wind vibration control device of the steel tube tower according to claim 1, wherein one end of the first member and one end of the second member are hinged, the other end is provided with a fixing plate matched with the first member, the fixing plates of the first member and the second member are provided with matching fixing holes, and the two fixing plates are detachably fixed through the fixing holes and the fixing pieces.
3. The utility model provides a steel-pipe tower wind vibration controlling means, its characterized in that includes first component and second component, the homonymy tip of first component and second component can be dismantled and connect in order to form the loop configuration who matches with the steel-pipe tower, the medial surface of first component and second component all is provided with the shock pad, the lateral surface of first component and/or second component is equipped with the liquid tank, the liquid tank has filling opening and leakage fluid dram in order to realize the regulation of the inside liquid quality of liquid tank.
4. The wind vibration control device of the steel tube tower as claimed in claim 3, wherein the fixing plates are respectively arranged at two ends of the first member and the second member, fixing holes are arranged on the fixing plates, and the fixing plates at the same side of the first member and the second member are detachably and fixedly connected through the fixing holes and the fixing pieces.
5. The steel tube tower wind vibration control device of claim 1 or 3, wherein the first member and the second member are of a semi-circular structure, and correspondingly, the damping pad is also of a semi-circular structure.
6. The steel tube tower wind vibration control device of claim 5, wherein the liquid tank has a circular arc-shaped tank structure matching the first member and the second member.
7. The steel pipe tower wind vibration control device of claim 1 or 3, wherein the shock pad is a rubber pad.
8. The steel tube tower wind vibration control device of claim 1 or 3, wherein the liquid filling opening and the liquid discharging opening are provided with sealing plugs.
9. The steel tube tower wind vibration control device of claim 1 or 3, wherein the wall of the liquid tank is made of steel.
10. A steel pipe tower characterized by being provided with the steel pipe tower wind vibration control device according to claim 1 or claim 3, and having a set amount of liquid in a liquid tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211071616.9A CN115324410A (en) | 2022-09-02 | 2022-09-02 | Steel pipe tower wind vibration control device and steel pipe tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211071616.9A CN115324410A (en) | 2022-09-02 | 2022-09-02 | Steel pipe tower wind vibration control device and steel pipe tower |
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| CN115324410A true CN115324410A (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211071616.9A Pending CN115324410A (en) | 2022-09-02 | 2022-09-02 | Steel pipe tower wind vibration control device and steel pipe tower |
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| WO2012038309A2 (en) * | 2010-09-21 | 2012-03-29 | Siemens Aktiengesellschaft | A wind turbine tower |
| CN204025495U (en) * | 2014-07-21 | 2014-12-17 | 天津大学 | Tower vibrationproof cylindrical liquid damper |
| CN110512935A (en) * | 2019-09-27 | 2019-11-29 | 浙江工业大学 | A kind of cyclic annular water tank TLD vibration absorber for tower |
| CN110808538A (en) * | 2019-11-26 | 2020-02-18 | 上海电力设计院有限公司 | Independent lightning rod with external ring-shaped liquid damper |
| CN111877844A (en) * | 2020-08-22 | 2020-11-03 | 中国电力工程顾问集团东北电力设计院有限公司 | Steel pipe tower capable of preventing breeze vibration |
| CN112211468A (en) * | 2020-09-29 | 2021-01-12 | 温州市滨江建设投资有限公司 | Multiple harmonious mass damper |
| CN213234471U (en) * | 2020-04-15 | 2021-05-18 | 中国电力科学研究院有限公司 | Breeze vibration pneumatic vibration damper for steel tube tower |
| CN214037140U (en) * | 2020-12-30 | 2021-08-24 | 陈玉春 | Hydraulic engineering is with pipeline strutting arrangement who has regulation structure |
| CN214402984U (en) * | 2020-12-18 | 2021-10-15 | 中国电力工程顾问集团中南电力设计院有限公司 | Attached adjustable steel pipe member breeze vibration-proof device |
| CN216111586U (en) * | 2021-05-08 | 2022-03-22 | 浙江省邮电工程建设有限公司 | Staple bolt with shock-absorbing function |
-
2022
- 2022-09-02 CN CN202211071616.9A patent/CN115324410A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012038309A2 (en) * | 2010-09-21 | 2012-03-29 | Siemens Aktiengesellschaft | A wind turbine tower |
| CN204025495U (en) * | 2014-07-21 | 2014-12-17 | 天津大学 | Tower vibrationproof cylindrical liquid damper |
| CN110512935A (en) * | 2019-09-27 | 2019-11-29 | 浙江工业大学 | A kind of cyclic annular water tank TLD vibration absorber for tower |
| CN110808538A (en) * | 2019-11-26 | 2020-02-18 | 上海电力设计院有限公司 | Independent lightning rod with external ring-shaped liquid damper |
| CN213234471U (en) * | 2020-04-15 | 2021-05-18 | 中国电力科学研究院有限公司 | Breeze vibration pneumatic vibration damper for steel tube tower |
| CN111877844A (en) * | 2020-08-22 | 2020-11-03 | 中国电力工程顾问集团东北电力设计院有限公司 | Steel pipe tower capable of preventing breeze vibration |
| CN112211468A (en) * | 2020-09-29 | 2021-01-12 | 温州市滨江建设投资有限公司 | Multiple harmonious mass damper |
| CN214402984U (en) * | 2020-12-18 | 2021-10-15 | 中国电力工程顾问集团中南电力设计院有限公司 | Attached adjustable steel pipe member breeze vibration-proof device |
| CN214037140U (en) * | 2020-12-30 | 2021-08-24 | 陈玉春 | Hydraulic engineering is with pipeline strutting arrangement who has regulation structure |
| CN216111586U (en) * | 2021-05-08 | 2022-03-22 | 浙江省邮电工程建设有限公司 | Staple bolt with shock-absorbing function |
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