CN109687293B - Steel pipe lightning rod for reducing wind vibration - Google Patents
Steel pipe lightning rod for reducing wind vibration Download PDFInfo
- Publication number
- CN109687293B CN109687293B CN201910009169.6A CN201910009169A CN109687293B CN 109687293 B CN109687293 B CN 109687293B CN 201910009169 A CN201910009169 A CN 201910009169A CN 109687293 B CN109687293 B CN 109687293B
- Authority
- CN
- China
- Prior art keywords
- lightning rod
- steel pipe
- wind vibration
- ring groove
- swinging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 238000013016 damping Methods 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000009191 jumping Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/021—Decoupling of vibrations by means of point-of-contact supports, e.g. ball bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/167—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material having an inertia member, e.g. ring
- F16F15/173—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material having an inertia member, e.g. ring provided within a closed housing
Abstract
The invention relates to the technical field of lightning rods, in particular to a steel pipe lightning rod for relieving wind vibration, which comprises a body, wherein a truncated cone-shaped hollow cavity is formed in the body, a supporting disc is arranged in the hollow cavity, a fan ring groove which is coaxially arranged is arranged on the supporting disc, a plurality of balls capable of rolling along the fan ring groove are arranged in the fan ring groove, a rope is connected to the balls, and the bottom end of the rope penetrates through the fan ring groove and is connected with a swinging piece. The invention has reasonable and compact structure and convenient use, and the ball capable of jumping or moving on the supporting disc is arranged, and the swinging piece is connected on the ball, so that when the lightning rod is in wind vibration, a large amount of damping is generated through the jumping or moving of a single ball, the collision among a plurality of balls, the swinging of a single swinging piece and the collision of a plurality of swinging pieces, thereby reducing the vibration of the whole device, reducing the damage of the device caused by wind vibration and prolonging the service life.
Description
Technical Field
The invention relates to the technical field of lightning rods, in particular to a steel tube lightning rod capable of reducing wind vibration.
Background
Wind-induced vibration phenomenon widely exists in engineering fields, and various wind vibration problems with different degrees can be encountered in production and life and various technological fields. Wind-induced vibration is an important factor affecting normal use and structural safety of towering structures, and is mainly a dynamic effect of vibration generated by pulsating wind on the structure.
The lightning rod belongs to a typical high-rise structure, the wind vibration frequency generated under wind excitation is equal to or similar to the natural frequency of the structure, resonance is caused, and analysis shows that under the combined action of average wind load and pulsating wind load, the lightning rod is in a vibration state for a long time, so that the normal production and use of the lightning rod are affected, the safety of the structure is seriously threatened, and irrecoverable loss is caused. The damage of lightning rod when suffering wind load effect is frequent, once because lightning rod collapses and leads to transmission line to break, will bring serious social negative effect and economic loss.
Disclosure of Invention
The invention provides a steel pipe lightning rod capable of reducing wind vibration, which overcomes the defects of the prior art and can effectively solve the problem that the wind vibration cannot be reduced in the prior lightning rod.
The technical scheme of the invention is realized by the following measures: the utility model provides a alleviate steel pipe lightning rod of wind vibration, includes the body, is equipped with round platform shape cavity in this, is equipped with the supporting disk in its characterized in that cavity, be equipped with the fan annular that coaxial setting on the supporting disk, be equipped with a plurality of ball that can follow the fan annular rolling in the fan annular, be connected with the rope on the ball, the rope bottom passes the fan annular and is connected with the swinging member.
The following are further optimizations and/or improvements to the above-described inventive solution:
the swinging member may be a metal ball.
The hollow cavity inner wall corresponding to the position of each swinging piece can be provided with an arc-shaped plate which can be contacted with the swinging piece when the swinging piece swings, and an elastic piece is connected between each arc-shaped plate and the hollow cavity inner wall.
The arc plate can be a rubber arc plate, and the elastic piece is a compression spring.
The oscillating member may include a housing and a damping fluid that is filled in the housing and has a gap between a fluid level and an inner ceiling wall of the housing.
The volume of the vibration damping liquid can be one third to two thirds of the volume of the inner cavity of the shell.
The shell can be a rubber shell, and the damping liquid is antifreeze liquid.
The body can comprise a steel pipe body and a lightning rod tip, wherein the lightning rod tip is fixedly arranged at the top end of the steel pipe body, and the hollow cavity is an inner cavity of the steel pipe body.
The invention has reasonable and compact structure and convenient use, and the ball capable of jumping or moving on the supporting disc is arranged, and the swinging piece is connected on the ball, so that when the lightning rod is in wind vibration, a large amount of damping is generated through the jumping or moving of a single ball, the collision among a plurality of balls, the swinging of a single swinging piece and the collision of a plurality of swinging pieces, thereby reducing the vibration of the whole device, reducing the damage of the device caused by wind vibration and prolonging the service life.
Drawings
Fig. 1 is a schematic view of a partial cross-sectional structure of a first embodiment of the present invention.
Fig. 2 is a schematic view of a partial cross-sectional structure of a second embodiment of the present invention.
Fig. 3 is an enlarged schematic view of the structure a in fig. 1.
The codes in the drawings are respectively: the lightning rod comprises a steel pipe body 1, a hollow cavity 2, a supporting disc 3, a sector ring groove 4, a ball 5, a rope 6, a shell 7, damping liquid 8, an arc-shaped plate 9, an elastic piece 10, a lightning rod tip 11 and a metal ball 12.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described below with reference to examples and figures:
example 1
As shown in fig. 1 and 3, the steel pipe lightning rod for reducing wind vibration comprises a body, wherein a truncated cone-shaped hollow cavity 2 is arranged in the body, a supporting disc 3 is arranged in the hollow cavity 2, a fan ring groove 4 which is coaxially arranged is arranged on the supporting disc 3, a plurality of balls 5 which can roll along the fan ring groove 4 are arranged in the fan ring groove 4, a rope 6 is connected to the balls 5, and the bottom end of the rope 6 penetrates through the fan ring groove 4 to be connected with a swinging piece. According to the demand, the axial cross-section of fan annular groove 4 is the trapezoidal shape of inversion, the top opening is big, the below opening is little, the diameter of ball 5 is greater than the biggest bore of below opening, and then ball 5 can roll along fan annular groove 4, can be equipped with the hole that supplies rope 6 upper end to connect on the ball 5, when the body takes place wind and shakes, ball 5 on the supporting disk 3 can take place to beat alone or remove along fan annular groove 4, still can collide between a plurality of balls 5 in addition, and then can produce a large amount of damping through the ball 5 motion, connect the swinging member on ball 5 through rope 6, a plurality of swinging members can take place the swing alone, thereby a large amount of damping has been produced, and then the effect that the whole device alleviateed wind and shakes is realized.
The steel pipe lightning rod for reducing wind vibration can be further optimized or/and improved according to actual needs:
as shown in fig. 1, the oscillating member may be a metal ball 12. Whereby a great deal of damping can be produced when the metal ball 12 swings.
As shown in fig. 1, the inner wall of the hollow cavity 2 corresponding to each swinging member is provided with an arc plate 9 which can be contacted with the swinging member when the swinging member swings, and an elastic member 10 is connected between each arc plate 9 and the inner wall of the hollow cavity 2. The swinging piece can contact with the surface of the arc-shaped plate 9 and extrude the arc-shaped plate 9 in the swinging process, and the energy loss of the swinging piece can be increased through the functions of the arc-shaped plate 9 and the elastic piece 10, so that the wind vibration of the device is further improved.
As shown in fig. 1, the arcuate plate 9 is a rubber arcuate plate, and the elastic member 10 is a compression spring. Thereby, when the swinging member is in contact with the arc plate 9, the absorption of the swinging member energy by the arc plate 9 and the elastic member 10 can be increased, thereby improving the vibration reduction effect.
As shown in fig. 1, the body comprises a steel tube body 1 and a lightning rod tip 11, the lightning rod tip 11 is fixedly arranged at the top end of the steel tube body 1, and the hollow cavity 2 is an inner cavity of the steel tube body 1. Thereby facilitating manufacture and installation.
Example two
As shown in fig. 2, the oscillating member may include a housing 7 and a damping fluid 8 that can be filled in the housing 7 with a gap between the fluid level and the inner ceiling wall of the housing 7. According to the requirement, the structure of the swinging piece is similar to that of a thermometer, the vibration damping liquid 8 is filled in the shell 7 in a sealing way like mercury in the thermometer, when the swinging piece swings, the vibration damping liquid 8 can swing relative to the shell 7, further more damping is generated, in addition, a plurality of shells 7 can collide during swinging, so that the vibration damping liquid 8 in the shell 7 can swing more severely, the damping is further increased, and the effect of relieving wind vibration is improved.
The steel pipe lightning rod for reducing wind vibration can be further optimized or/and improved according to actual needs:
as shown in fig. 2, the volume of the damping fluid 8 is one third to two thirds of the volume of the inner cavity of the housing 7. The vibration damping liquid 8 is ensured to shake in the shell 7 to a larger extent.
As shown in fig. 2, the housing 7 is a rubber housing, and the damping fluid 8 is an antifreeze fluid.
The technical characteristics form the optimal embodiment of the invention, have stronger adaptability and optimal implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (7)
1. The steel pipe lightning rod for reducing wind vibration comprises a body, wherein a truncated cone-shaped hollow cavity is formed in the body, and the steel pipe lightning rod is characterized in that a supporting disc is arranged in the hollow cavity, a fan ring groove which is coaxially arranged is arranged on the supporting disc, a plurality of balls capable of rolling along the fan ring groove are arranged in the fan ring groove, a rope is connected to the balls, and the bottom end of the rope penetrates through the fan ring groove and is connected with a swinging piece; the swinging piece comprises a shell and damping liquid which can be filled in the shell and has a gap between the liquid level and the inner top wall of the shell; the axial section of the sector ring groove is in an inverted trapezoid shape, the upper opening is large, the lower opening is small, and the diameter of the ball is larger than the maximum caliber of the lower opening.
2. The wind vibration reducing steel pipe lightning rod of claim 1, wherein the swinging member is a metal ball.
3. The steel pipe lightning rod for reducing wind vibration according to claim 1, wherein the inner wall of the hollow cavity corresponding to the position of each swinging piece is provided with an arc-shaped plate which can be contacted with the swinging piece when the swinging piece swings, and an elastic piece is connected between each arc-shaped plate and the inner wall of the hollow cavity.
4. A steel tube lightning rod for reducing wind vibration according to claim 3, wherein the arcuate plate is a rubber arcuate plate and the resilient member is a compression spring.
5. The steel pipe lightning rod for reducing wind vibration according to claim 1, wherein the volume of the vibration reducing liquid is one third to two thirds of the volume of the inner cavity of the shell.
6. The steel pipe lightning rod for reducing wind vibration according to claim 1, wherein the shell is a rubber shell and the damping liquid is an antifreezing liquid.
7. The steel tube lightning rod for reducing wind vibration according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the body comprises a steel tube body and a lightning rod tip, the lightning rod tip is fixedly arranged at the top end of the steel tube body, and the hollow cavity is an inner cavity of the steel tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009169.6A CN109687293B (en) | 2019-01-04 | 2019-01-04 | Steel pipe lightning rod for reducing wind vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009169.6A CN109687293B (en) | 2019-01-04 | 2019-01-04 | Steel pipe lightning rod for reducing wind vibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109687293A CN109687293A (en) | 2019-04-26 |
| CN109687293B true CN109687293B (en) | 2024-03-01 |
Family
ID=66192562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910009169.6A Active CN109687293B (en) | 2019-01-04 | 2019-01-04 | Steel pipe lightning rod for reducing wind vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109687293B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850506B (en) * | 2019-10-28 | 2021-06-01 | 中国路桥工程有限责任公司 | Wind-resistant vibration-damping railway wind section meteorological monitoring equipment |
| CN112747070B (en) * | 2020-12-28 | 2021-11-23 | 北京金风科创风电设备有限公司 | Vibration suppression system, tower, wind generating set and non-return device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767066A (en) * | 2012-07-21 | 2012-11-07 | 海尔集团公司 | Vibration attenuation component of washing machine, and washing machine |
| CN104078908A (en) * | 2014-06-23 | 2014-10-01 | 湖南科技大学 | Liquid-filled anti-vibration hammer capable of frequency modulation |
| CN104534018A (en) * | 2014-12-18 | 2015-04-22 | 东南大学 | Suspension type multilayer oil film damper with rolling spherical hinge connection |
| CN105406429A (en) * | 2015-11-11 | 2016-03-16 | 国网浙江省电力公司湖州供电公司 | Overhead power transmission line vibration reducing and balancing system |
| CN105896317A (en) * | 2016-04-21 | 2016-08-24 | 华信咨询设计研究院有限公司 | Anti-shedding lightning rod |
| CN206092774U (en) * | 2016-09-26 | 2017-04-12 | 西京学院 | Hang formula two way damper bumper shock absorber |
| CN107060125A (en) * | 2017-03-22 | 2017-08-18 | 东南大学 | A kind of tuned mass damper device |
| CN108193928A (en) * | 2018-01-26 | 2018-06-22 | 滨州学院 | Swing damping device at the top of a kind of single-pipe tower |
| CN209434601U (en) * | 2019-01-04 | 2019-09-24 | 国网新疆电力有限公司电力科学研究院 | Mitigate the steel pipe lightning rod of wind shake |
-
2019
- 2019-01-04 CN CN201910009169.6A patent/CN109687293B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767066A (en) * | 2012-07-21 | 2012-11-07 | 海尔集团公司 | Vibration attenuation component of washing machine, and washing machine |
| CN104078908A (en) * | 2014-06-23 | 2014-10-01 | 湖南科技大学 | Liquid-filled anti-vibration hammer capable of frequency modulation |
| CN104534018A (en) * | 2014-12-18 | 2015-04-22 | 东南大学 | Suspension type multilayer oil film damper with rolling spherical hinge connection |
| CN105406429A (en) * | 2015-11-11 | 2016-03-16 | 国网浙江省电力公司湖州供电公司 | Overhead power transmission line vibration reducing and balancing system |
| CN105896317A (en) * | 2016-04-21 | 2016-08-24 | 华信咨询设计研究院有限公司 | Anti-shedding lightning rod |
| CN206092774U (en) * | 2016-09-26 | 2017-04-12 | 西京学院 | Hang formula two way damper bumper shock absorber |
| CN107060125A (en) * | 2017-03-22 | 2017-08-18 | 东南大学 | A kind of tuned mass damper device |
| CN108193928A (en) * | 2018-01-26 | 2018-06-22 | 滨州学院 | Swing damping device at the top of a kind of single-pipe tower |
| CN209434601U (en) * | 2019-01-04 | 2019-09-24 | 国网新疆电力有限公司电力科学研究院 | Mitigate the steel pipe lightning rod of wind shake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109687293A (en) | 2019-04-26 |
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