CN111326956A - Steel pipe lightning rod wind vibration control device - Google Patents
Steel pipe lightning rod wind vibration control device Download PDFInfo
- Publication number
- CN111326956A CN111326956A CN202010135403.2A CN202010135403A CN111326956A CN 111326956 A CN111326956 A CN 111326956A CN 202010135403 A CN202010135403 A CN 202010135403A CN 111326956 A CN111326956 A CN 111326956A
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- China
- Prior art keywords
- lightning rod
- steel pipe
- control device
- vibration control
- strip
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Plasma & Fusion (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a steel tube lightning rod wind vibration control device, wherein the wind vibration control device is sleeved on a steel tube lightning rod (1), and the wind vibration control device comprises: two rolling lantern rings (2) and a turbulence strip (3); the two rolling lantern rings (2) are sleeved on the steel pipe lightning rod (1), and the inner surface and the outer surface of each rolling lantern ring (2) can rotate relatively; the turbulence strip (3) is arranged between the two rolling lantern rings (2); the turbulence strip (3) rotates along the steel tube lightning rod (1) under the action of wind power; the turbulence strips (3) rotate under the action of wind power, so that the effect of enhancing the regular falling of disturbed vortexes is achieved, and the effect of vibration reduction is enhanced.
Description
Technical Field
The invention relates to the field of disaster prevention and reduction of power transmission and transformation engineering, in particular to a steel pipe lightning rod wind vibration control device.
Background
The thunder and lightning can cause personal casualties, destroy buildings and communication equipment, cause forest fires and the like, harm the property and personal safety of people, and have great threat to vehicles such as aerospace and the like. In the electric power engineering, the lightning rod is used as an important component of a transformer substation and plays an important role in lightning protection of the transformer substation. The lightning rod is usually formed by sleeving a plurality of steel pipes, has the advantages of light dead weight, attractive appearance, small occupied area and the like, and is widely applied. When the steel tube lightning rod is designed, the wind resistance in the downwind direction is mainly considered, but the lightning rod can vibrate in the transverse wind direction at a lower wind speed. This is because when wind flows through the steel pipe lightning rod, vortices that fall off alternately are generated in the wake zone, and the vortices generate a vortex shedding force that is transverse to the wind direction. When the frequency of the vortex shedding force is close to the natural frequency of the structure, vortex vibration resonance can occur, and the fatigue damage of the lightning rod is easily caused.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the steel tube lightning rod wind vibration control device which can inhibit the steel tube lightning rod wind vibration, and the vortex vibration resonance is avoided mainly by changing the pneumatic appearance of the steel tube lightning rod and disturbing the regular falling of the vortex. The main implementation modes comprise: turbulence strips are arranged at certain intervals along the tube body.
The purpose of the invention is realized by the following technical scheme:
the invention provides a steel tube lightning rod wind vibration control device, wherein the wind vibration control device is sleeved on a steel tube lightning rod (1), and the wind vibration control device comprises: two rolling lantern rings (2) and a turbulence strip (3);
the two rolling lantern rings (2) are sleeved on the steel pipe lightning rod (1), and the inner surface and the outer surface of each rolling lantern ring (2) can rotate relatively;
the turbulence strip (3) is arranged between the two rolling lantern rings (2);
the turbulence strips (3) rotate along the steel tube lightning rod (1) under the action of wind power.
Preferably, the rolling collar (2) comprises: a hollow outer ring (4) and an inner ring (5);
the outer ring (4) is sleeved outside the inner ring (5), and the outer ring (4) and the inner ring (5) can rotate relatively;
the inner ring (5) is fixed on the steel pipe lightning rod (1);
the turbulence strip (3) is connected with the outer ring (4).
Preferably, the rolling collar (2) further comprises a plurality of balls (6) disposed between the outer ring (4) and the inner ring (5).
Preferably, the outer ring (4) is provided with a spoiler slot (7);
the turbulence strip (3) is inserted into the turbulence strip slot (7) and connected with the outer ring (4).
Preferably, the turbulence strips (3) are multiple, the number of the turbulence strip slots (7) is matched with that of the turbulence strips (3), and the turbulence strip slots (7) are uniformly arranged on the outer ring (4).
Preferably, the spoiler strip (3) is of a long strip structure.
Preferably, the material of the spoiler strip (3) is aluminum.
Preferably, the number of the turbulence strips (3) is 8-12.
Preferably, the inner diameter of the inner ring (5) is matched with the outer diameter of the steel pipe lightning rod (1).
Preferably, the wind vibration control device is sleeved outside the top steel pipe segment of the steel pipe lightning rod (1) and supported by the middle steel pipe segment of the steel pipe lightning rod (1).
Compared with the closest prior art, the invention has the beneficial effects that:
1. the invention provides a steel pipe lightning rod wind vibration control device, wherein the wind vibration control device is sleeved on a steel pipe lightning rod (1), and the wind vibration control device comprises: two rolling lantern rings (2) and a turbulence strip (3); the two rolling lantern rings (2) are sleeved on the steel pipe lightning rod (1), and the inner surface and the outer surface of each rolling lantern ring (2) can rotate relatively; the turbulence strip (3) is arranged between the two rolling lantern rings (2); the turbulence strip (3) rotates along the steel tube lightning rod (1) under the action of wind power; the turbulence strips (3) rotate under the action of wind power, so that the effect of enhancing the regular falling of disturbed vortexes is achieved, and the effect of vibration reduction is enhanced.
2. The turbulence strip (3) provided by the invention is made of aluminum materials, so that the self weight is reduced; and also has better corrosion resistance.
3. The wind vibration control device provided by the invention is directly sleeved outside the top steel pipe segment of the steel pipe lightning rod (1) and supported by the middle steel pipe segment of the steel pipe lightning rod (1), so that the wind vibration control device is convenient to install and replace.
Drawings
FIG. 1: the invention relates to a structural front view of a steel tube lightning rod wind vibration control device;
FIG. 2: the invention relates to a structural plan view of a steel tube lightning rod wind vibration control device;
FIG. 3: the rolling lantern ring structure of the invention is shown in a section;
FIG. 4: the installation schematic diagram of the steel pipe lightning rod wind vibration control device is shown;
reference numerals:
the lightning rod comprises a steel pipe lightning rod 1, a rolling lantern ring 2, a turbulence strip 3, an outer ring 4, an inner ring 5, balls 6 and a turbulence strip slot 7.
Detailed Description
For better understanding of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
The invention provides a steel pipe lightning rod wind vibration control device, as shown in figure 4, the wind vibration control device is sleeved on a steel pipe lightning rod 1, the wind vibration control device is sleeved outside a top steel pipe segment of the steel pipe lightning rod 1 and supported by a middle steel pipe segment of the steel pipe lightning rod 1, as shown in figure 1, the device comprises two rolling lantern rings 2 and a turbulence strip 3;
the two rolling lantern rings 2 are sleeved on the steel pipe lightning rod 1, and the inner surface and the outer surface of each rolling lantern ring 2 can rotate relatively;
the turbulence strip 3 is arranged between the two rolling lantern rings 2;
the turbulence strips 3 rotate along the steel tube lightning rod 1 under the action of wind power;
as shown in fig. 2 and 3, the rolling collar 2 includes: a hollow outer ring 4 and an inner ring 5;
the outer ring 4 is sleeved outside the inner ring 5, and the outer ring 4 and the inner ring 5 can rotate relatively;
the inner ring 5 is fixed on the steel pipe lightning rod 1;
the turbulence strip 3 is connected with the outer ring 4;
the rolling collar 2 further comprises a plurality of balls 6 disposed between the outer ring 4 and the inner ring 5;
a spoiler slot 7 is arranged on the outer ring 4;
the turbulence strip 3 is inserted into the turbulence strip slot 7 and connected with the outer ring 4;
the number of the turbulence strips 3 is multiple, the number of the turbulence strip slots 7 is matched with that of the turbulence strips 3, and the turbulence strip slots 7 are uniformly arranged on the outer ring 4;
the turbulence strips (3) are of long strip-shaped structures;
the material of the turbulence strips 3 is aluminum;
the number of the turbulence strips 3 is 8-12;
the inner diameter of the inner ring 5 is matched with the outer diameter of the steel tube lightning rod 1.
Specifically, the method comprises the following steps: this device is directly overlapped at the top steel pipe segment of steel pipe lightning rod 1, by the middle part steel pipe segment bearing of steel pipe lightning rod 1, including two rolling lantern rings 2 and a plurality of vortex strip 3, two rolling lantern rings 2 are connected by vortex strip 3.
The rolling collar 2 comprises an outer ring 4 and an inner ring 5, between which outer ring 4 and inner ring 5 balls 6 are mounted.
The outer ring 4 is provided with spoiler strip slots 7, and the number of spoiler strip slots 7 matches with the number of spoiler strips 3.
The inner diameter of the inner ring 5 is matched with the outer diameter of the top steel pipe section of the steel pipe lightning rod 1.
The turbulence strips 3 are made of aluminum materials and arranged around the lightning rod, and 8-12 turbulence strips can be arranged.
The invention has the beneficial effects that:
the turbulence strips 3 rotate under the action of wind power, so that the effect of enhancing the regular falling of disturbed vortexes is achieved, and the effect of vibration reduction is enhanced.
The turbulence strips 3 are made of aluminum materials, so that the dead weight is reduced; and also has better corrosion resistance.
The wind vibration control device is directly sleeved outside the top steel pipe segment of the steel pipe lightning rod 1 and supported by the middle steel pipe segment of the steel pipe lightning rod 1, so that the wind vibration control device is convenient to install and replace.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
Claims (10)
1. The utility model provides a steel pipe lightning rod wind controlling means that shakes, its characterized in that, wind control means that shakes overlaps on steel pipe lightning rod (1), includes: two rolling lantern rings (2) and a turbulence strip (3);
the two rolling lantern rings (2) are sleeved on the steel pipe lightning rod (1), and the inner surface and the outer surface of each rolling lantern ring (2) can rotate relatively;
the turbulence strip (3) is arranged between the two rolling lantern rings (2);
the turbulence strips (3) rotate along the steel tube lightning rod (1) under the action of wind power.
2. A steel pipe lightning rod wind vibration control device according to claim 1, characterized in that said rolling collar (2) comprises: a hollow outer ring (4) and an inner ring (5);
the outer ring (4) is sleeved outside the inner ring (5), and the outer ring (4) and the inner ring (5) can rotate relatively;
the inner ring (5) is fixed on the steel pipe lightning rod (1);
the turbulence strip (3) is connected with the outer ring (4).
3. A steel pipe lightning rod wind vibration control device according to claim 2, characterized in that said rolling collar (2) further comprises a plurality of balls (6) arranged between said outer ring (4) and inner ring (5).
4. A steel pipe lightning rod wind vibration control device according to claim 2, characterized in that the outer ring (4) is provided with a spoiler slot (7);
the turbulence strip (3) is inserted into the turbulence strip slot (7) and connected with the outer ring (4).
5. The steel tube lightning rod wind vibration control device according to claim 4, characterized in that the number of the spoiler strips (3) is plural, the number of the spoiler strip slots (7) is matched with the number of the spoiler strips (3), and the spoiler strip slots (7) are uniformly arranged on the outer ring (4).
6. A steel pipe lightning rod wind vibration control device according to claim 1, characterized in that the spoiler bar (3) is a long strip structure.
7. A steel pipe lightning rod wind vibration control device according to claim 1, characterized in that the material of said spoiler strip (3) is aluminum.
8. A steel pipe lightning rod wind vibration control device according to claim 5, characterized in that the number of said spoiler strips (3) is 8-12.
9. A steel pipe lightning rod wind vibration control device according to claim 2, characterized in that the inner diameter of the inner ring (5) matches the outer diameter of the steel pipe lightning rod (1).
10. The steel pipe lightning rod wind vibration control device according to claim 1, characterized in that the wind vibration control device is sleeved outside the top steel pipe segment of the steel pipe lightning rod (1) and supported by the middle steel pipe segment of the steel pipe lightning rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135403.2A CN111326956A (en) | 2020-03-02 | 2020-03-02 | Steel pipe lightning rod wind vibration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135403.2A CN111326956A (en) | 2020-03-02 | 2020-03-02 | Steel pipe lightning rod wind vibration control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111326956A true CN111326956A (en) | 2020-06-23 |
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ID=71173002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010135403.2A Pending CN111326956A (en) | 2020-03-02 | 2020-03-02 | Steel pipe lightning rod wind vibration control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111326956A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112134147A (en) * | 2020-08-28 | 2020-12-25 | 国网山东省电力公司经济技术研究院 | Framework lightning rod capable of reducing wind-induced fatigue influence |
| CN113594875A (en) * | 2021-07-27 | 2021-11-02 | 郭剑明 | 5G base station lightning rod equipment |
-
2020
- 2020-03-02 CN CN202010135403.2A patent/CN111326956A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112134147A (en) * | 2020-08-28 | 2020-12-25 | 国网山东省电力公司经济技术研究院 | Framework lightning rod capable of reducing wind-induced fatigue influence |
| CN113594875A (en) * | 2021-07-27 | 2021-11-02 | 郭剑明 | 5G base station lightning rod equipment |
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