CN214402984U - Attached adjustable steel pipe member breeze vibration-proof device - Google Patents
Attached adjustable steel pipe member breeze vibration-proof device Download PDFInfo
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- CN214402984U CN214402984U CN202023068214.2U CN202023068214U CN214402984U CN 214402984 U CN214402984 U CN 214402984U CN 202023068214 U CN202023068214 U CN 202023068214U CN 214402984 U CN214402984 U CN 214402984U
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- steel pipe
- staple bolt
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Abstract
The utility model relates to an adjustable steel pipe component breeze vibration anti-vibration device of attached form, this anti-vibration device, including vortex rib and staple bolt, the staple bolt is fixed on the steel pipe component that needs the prevention and cure, many vortex ribs have evenly been arranged along the circumferencial direction to the staple bolt outer wall, many vortex ribs are the space profile of tooth and arrange on the staple bolt outer wall, the staple bolt includes two semi-circular staple bolts, two semi-circular staple bolts pass through connecting device and link to each other to form circularly, fix the steel pipe component, change the pneumatic appearance of steel pipe component, thereby change near the vortex wind field of component, finally restrain the production of steel pipe component breeze vibration. The length and/or width parameters of the turbulence ribs are adjusted through stretching, and the pneumatic appearance of the steel pipe component is adjusted, so that the eddy wind field around the component is changed, and the occurrence of the breeze vibration phenomenon of the steel pipe component is inhibited.
Description
Technical Field
The utility model relates to a fitting for power transmission line especially relates to an adjustable steel pipe component breeze vibration anti-vibration device of attached type.
Background
The construction of extra-high voltage transmission lines and the multi-circuit and large-span line towers in the same tower are increasingly adopting steel pipe towers. The steel pipe member has the characteristics of high bearing capacity and high stability, and the wind load of the tower body is small; however, in the components with large slenderness ratio of the steel tube tower, especially the components which tend to be horizontally arranged, the leeward side of the structure generates vertically alternating karman vortices under the excitation of wind, so that vertical alternating force acts on the structure, and the structure generates a phenomenon of high-frequency micro-amplitude vertical vibration, namely so-called breeze vibration.
The long-term wind vibration can lead to the fatigue damage of the component and the connecting part thereof, the looseness and the falling of the pole and tower bolt connection, even the tensile damage of the connecting bolt, further possibly cause the component to fall, influence the structure safety, increase the operation and maintenance workload simultaneously and endanger the safety of maintainers. At present, no effective prevention and treatment measures are taken for the phenomenon of breeze vibration of the steel tube tower rod piece.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides an adjustable steel pipe component breeze vibration anti-vibration device of attached type can change the pneumatic appearance of steel pipe member to change near the vortex wind field of component, finally restrain the production of steel pipe component breeze vibration.
The utility model adopts the technical proposal that: the utility model provides an adjustable steel pipe component breeze vibration anti-vibration device of attached, its characterized in that: including vortex rib and staple bolt, the staple bolt is fixed on the steel pipe component that needs the prevention and cure, many vortex ribs have evenly been arranged along the circumferencial direction to the staple bolt outer wall, many the vortex rib is the space profile of tooth on the staple bolt outer wall and arranges, the staple bolt includes two semi-circular staple bolts, two semi-circular staple bolt passes through connecting device and links to each other the formation circular.
Preferably, the spoiler rib is formed by connecting two steel plates with different sizes through an oval sliding groove in the length direction and can stretch along the length direction, so that the length of the spoiler rib is changed.
Preferably, the spoiler rib is formed by connecting two steel plates with different sizes through an oval sliding groove in the width direction and can stretch along the width direction, so that the width of the spoiler rib is changed.
Preferably, the spoiler rib is welded with the outer wall of the hoop.
Preferably, the connecting device comprises a connecting bolt and a connecting plate, and the connecting bolt and the connecting plate connect the two semicircular hoops to form a circle.
Preferably, a rubber gasket is arranged between the hoop and the outer wall of the steel pipe member.
The utility model discloses the beneficial effect who gains is:
(1) the utility model has simple manufacture, and can be applied to steel pipe components with different diameters by using the anchor ear without using the diameter;
(2) a rubber gasket is arranged between the hoop device and the steel pipe member, so that the zinc coating on the surface of the protected steel pipe member can be prevented from being damaged;
(3) the length, the width and other parameters of the turbulence ribs are adjusted through stretching, and the pneumatic appearance of the steel pipe component is adjusted, so that the vortex wind field around the component is changed, and the occurrence of the breeze vibration phenomenon of the steel pipe component is inhibited;
(4) the utility model discloses the device is simple, adopts staple bolt inserted installation, under the prerequisite that does not change the biography power route of former body structure, load distribution, is applicable to the vibration control of arbitrary incoming flow wind direction, can avoid producing adverse effect to transmission tower major structure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIGS. 3 and 4 are schematic views of turbulator ribs;
in the figure: 1. a turbulator rib; 2. hooping; 3. a rubber gasket; 4. and (4) a connecting device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the utility model discloses an adjustable steel pipe component breeze vibration anti-vibration device of attached form, including vortex rib 1 and staple bolt 2, staple bolt 2 is fixed on the steel pipe component that needs the prevention and cure, and many vortex ribs 1 have evenly been arranged on the 2 outer walls of staple bolt along the circumferencial direction, and many vortex ribs 1 are the space profile of tooth and arrange on staple bolt 2 outer wall. The hoop 2 comprises two semicircular hoops which are of hollow cylindrical structures and are in mirror symmetry, the two semicircular hoops are connected through a connecting device 4 to form a circle, the steel pipe component is fixed, the pneumatic appearance of the steel pipe component is changed, therefore, a vortex wind field near the component is changed, and the generation of breeze vibration of the steel pipe component is finally inhibited.
The semicircular hoop and the turbulent flow ribs 1 are made of light, wear-resistant and corrosion-resistant polymer materials; and a rubber gasket 3 is arranged between the inner wall of the hoop 2 and the steel pipe member, so that the zinc coating on the surface of the steel pipe member can be effectively protected.
In this embodiment, the spoiler rib 1 has two types: the first turbulence rib 1 is formed by connecting two steel plates with different sizes through an oval sliding groove in the length direction, and can stretch along the length direction, so that the overall length of the turbulence rib 1 is changed; the second kind vortex rib 1 is linked to each other through the oval spout of width direction by two unequal steel sheets of size, can stretch out and draw back along width direction to the whole width of vortex rib 1. The length and/or width parameters of the turbulence rib 1 are adjusted through stretching, and the pneumatic appearance of the steel pipe component is adjusted, so that the eddy wind field around the component is changed, and the occurrence of the breeze vibration phenomenon of the steel pipe component is inhibited.
In this embodiment, vortex rib 1 and the welding of staple bolt 2 outer wall, vortex rib 1 also can be glued through the structure and fixed with staple bolt 2 outer wall.
In this embodiment, the connecting device 4 includes a connecting bolt and a connecting plate, and the connecting bolt and the connecting plate connect the two semicircular hoops to form a circle.
The foregoing shows and describes the general principles and principal structural features of the invention. The present invention is not limited by the above-mentioned examples, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and improvements fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an adjustable steel pipe component breeze vibration anti-vibration device of attached, its characterized in that: including vortex rib (1) and staple bolt (2), staple bolt (2) are fixed on the steel pipe component that needs the prevention and cure, many vortex rib (1) have evenly been arranged along the circumferencial direction to staple bolt (2) outer wall vortex rib (1) is the space profile of tooth and arranges on staple bolt (2) outer wall, staple bolt (2) include two semi-circular staple bolts, two semi-circular staple bolt passes through connecting device (4) and links to each other and form circularly.
2. The attached adjustable steel pipe member windy vibration damping device according to claim 1, characterized in that: the turbulence rib (1) is formed by connecting two steel plates with different sizes through an oval sliding groove in the length direction and can stretch along the length direction, so that the length of the turbulence rib (1) is changed.
3. The attached adjustable steel pipe member windy vibration damping device according to claim 1, characterized in that: the turbulence rib (1) is formed by connecting two steel plates with different sizes through an oval sliding groove in the width direction and can stretch along the width direction, so that the width of the turbulence rib (1) is changed.
4. The attached adjustable steel pipe member windy vibration damping device according to claim 1, characterized in that: and the turbulence ribs (1) are welded with the outer wall of the hoop (2).
5. The attached adjustable steel pipe member windy vibration damping device according to claim 1, characterized in that: the connecting device (4) comprises a connecting bolt and a connecting plate, and the connecting bolt and the connecting plate connect the two semicircular hoops to form a circle.
6. The attached adjustable steel pipe member windy vibration damping device according to claim 1, characterized in that: and a rubber gasket (3) is arranged between the hoop (2) and the outer wall of the steel pipe component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068214.2U CN214402984U (en) | 2020-12-18 | 2020-12-18 | Attached adjustable steel pipe member breeze vibration-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068214.2U CN214402984U (en) | 2020-12-18 | 2020-12-18 | Attached adjustable steel pipe member breeze vibration-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214402984U true CN214402984U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023068214.2U Active CN214402984U (en) | 2020-12-18 | 2020-12-18 | Attached adjustable steel pipe member breeze vibration-proof device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214402984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324410A (en) * | 2022-09-02 | 2022-11-11 | 山东建筑大学 | Steel pipe tower wind vibration control device and steel pipe tower |
-
2020
- 2020-12-18 CN CN202023068214.2U patent/CN214402984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324410A (en) * | 2022-09-02 | 2022-11-11 | 山东建筑大学 | Steel pipe tower wind vibration control device and steel pipe tower |
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