CN112013076A - Power transmission tower capable of preventing main tower torsion and consuming energy through metal damper - Google Patents
Power transmission tower capable of preventing main tower torsion and consuming energy through metal damper Download PDFInfo
- Publication number
- CN112013076A CN112013076A CN202010906044.6A CN202010906044A CN112013076A CN 112013076 A CN112013076 A CN 112013076A CN 202010906044 A CN202010906044 A CN 202010906044A CN 112013076 A CN112013076 A CN 112013076A
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- China
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- metal damper
- torsion
- deformation block
- main tower
- hanging point
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Classifications
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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
- F16F15/04—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 using elastic means
- F16F15/06—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 using elastic means with metal springs
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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
Abstract
The invention discloses a main tower torsion preventing power transmission tower with energy consumption of a metal damper, which belongs to the technical field of power transmission lines, wherein the metal damper components are uniformly distributed and can uniformly disperse the torsion caused by the fracture of a high-voltage wire, and the matching mode between a first deformation block and a second deformation block is interference fit, so that when no high-voltage wire fracture accident occurs, the tension of the whole metal damper torsion support ensures the stability of the whole high-voltage wire, and huge torsion is caused at the moment of the fracture of the high-voltage wire, so that the outer ring layer of the metal damper torsion support can be forced to rotate, the first deformation block is tightly contacted with the second deformation block, so that the second deformation block can be forced to deform, the second deformation block is notched or even bent, the uniform distribution of the metal damper components can effectively disperse the force on each metal damper component, the equipment can run more stably, and the torsion and the vibration on the main tower can be effectively reduced, plays a good role in protecting the main tower.
Description
Technical Field
The invention relates to the technical field of power transmission lines, in particular to a main tower torsion preventing power transmission tower with a metal damper.
Background
The power transmission tower is a common high-rise structure and is usually subjected to the actions of gravity load, wind load, earthquake load and the like, meanwhile, various load actions borne by a power transmission line on the power transmission tower are finally transmitted to the power transmission tower, and under the normal condition, the force generated by the power transmission line on the power transmission tower is close to balance, so that the power transmission tower is only subjected to the action of vertical force and a small part of unbalanced force, but under the condition of accident, after the asymmetric fracture of the power transmission line on the power transmission tower, the power transmission line can generate not only vertical load but also horizontal load on the power transmission tower.
In addition, most of power transmission towers need to have a larger insulation space under the insulation requirement of a power transmission mechanism, so that a first distance is formed between a stress action point of a power transmission line of the power transmission tower and a core of a main tower of the power transmission tower under the action of horizontal load, a torque to the main tower is generated, under the action of the torque, the safety of the main tower is extremely adversely affected, and the broken line load has an obvious dynamic impact characteristic, so that the damage to the structure is increased, and therefore, the power transmission tower capable of effectively reducing the torsion borne by the main tower to protect the power transmission tower when an accident occurs is urgently needed, and meanwhile, the power transmission tower is required to be kept stable when the accident does not occur.
Disclosure of Invention
The invention aims to provide a main tower torsion-proof power transmission tower with a metal damper for dissipating energy, which has the advantage of effectively reducing torsion borne by the main tower to protect the power transmission tower when an accident occurs, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a main tower torsion-resistant power transmission tower with a metal damper for dissipating energy comprises a main tower, a low hanging point rotating arm, a metal damper torsion support and a high hanging point support, wherein the low hanging point rotating arm, the metal damper torsion support and the high hanging point support are all arranged at the top end of the main tower;
the metal damper torsion support comprises a metal damper torsion support inner ring layer, a metal damper torsion support outer ring layer and metal damper parts, the inner wall of the metal damper torsion support inner ring layer is fixedly connected with the main tower rotating shaft, the metal damper parts which are uniformly distributed are arranged in a gap between the metal damper torsion support inner ring layer and the metal damper torsion support outer ring layer, the metal damper part comprises a first transverse column, a second transverse column, a first deformation block and a second deformation block, one end of the first transverse column is fixedly connected with the outer wall of an inner ring layer of the metal damper torsion support, the other end of the first transverse column is provided with the first deformation block, the first deformation block is in contact connection with the second deformation block, the second deformation block is arranged at one end of the second transverse column, the other end of the second transverse column is fixedly connected with the inner wall of an outer ring layer of the metal damper torsion support, and the bottom edge of the outer ring layer of the metal damper torsion support is fixedly connected with a low hanging point rotating arm.
Preferably, the side wall of the first deformation block and the side wall of the second deformation block are both provided with arc surfaces.
Preferably, the center of the low hanging point rotating arm is provided with a low hanging point rotating arm sleeve, the low hanging point rotating arm sleeve is positioned outside the main tower rotating shaft, the low hanging point rotating arm sleeve is fixedly connected with the bottom edge of the outer ring layer of the metal damper torsion support, and two symmetrically distributed low hanging point insulators are mounted on the low hanging point rotating arm.
Preferably, the high hanging point support is installed at the top end of the main tower rotating shaft, and a high hanging point insulator is hung on the high hanging point support.
Preferably, the upper end and the lower end of the main tower rotating shaft are respectively provided with a base plate and a baffle ring, the top surface of the base plate is welded and fixed with the high hanging point support, and the top edge of the baffle ring is in contact with the low hanging point rotating arm.
Preferably, the first deformation block and the second deformation block are in interference fit.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a main tower torsion preventing power transmission tower with energy consumption of a metal damper, wherein the metal damper part is uniformly distributed and can uniformly disperse torque caused by the fracture of a high-voltage wire, the metal damper part is used as a main component of metal damping buffering, the first deformation block and the second deformation block are in interference fit in a fit mode, so that when no high-voltage wire fracture accident occurs, the whole metal damper torsion support is tensioned to ensure the stability of the whole high-voltage wire, and can bring huge torque to the metal damper torsion support at the moment of the fracture of the high-voltage wire, so that an outer ring layer of the metal damper torsion support can be forced to rotate, the first deformation block is tightly contacted with the second deformation block, and because the strength of the second deformation block is weaker, the second deformation block can be forced to deform, the second deformation block is notched or even bent, and the uniform distribution of the metal damper part can effectively disperse the force on each metal damper part, the equipment operates more stably, so that the torsion and vibration of the main tower can be effectively reduced, and the main tower is well protected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the main tower shaft position of the present invention;
FIG. 3 is an enlarged schematic view of the invention at A;
FIG. 4 is a schematic view of a low hanging point rotating arm structure according to the present invention;
FIG. 5 is a schematic cross-sectional view of a metal damper torsional support of the present invention;
FIG. 6 is an enlarged view of the invention at B;
FIG. 7 is a schematic structural diagram of a first deformation block according to the present invention;
FIG. 8 is a schematic structural diagram of a second deformation block according to the present invention;
FIG. 9 is a schematic view of the installation position of the first deformation block of the present invention;
fig. 10 is a schematic view of the installation position of the second deformation block of the invention.
In the figure: 1. a main tower; 11. a main tower shaft; 12. a base plate; 13. a baffle ring; 2. a low hanging point rotating arm; 21. a low hanging point rotating arm casing; 3. a metal damper torsion support; 31. an inner ring layer of the metal damper torsion support; 32. an outer ring layer of the metal damper torsion support; 33. a metal damper component; 331. a first cross-post; 332. a second cross-post; 333. a first deformation block; 334. a second deformation block; 4. a high hanging point bracket; 5. a high hang point insulator; 6. a low hang point insulator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, a main tower torsion-proof power transmission tower with metal damper energy consumption comprises a main tower 1, a low hanging point rotating arm 2, a metal damper torsion support 3 and a high hanging point support 4, wherein the low hanging point rotating arm 2, the metal damper torsion support 3 and the high hanging point support 4 are all arranged at the top end of the main tower 1, the main tower 1 is used as a supporting device of the whole power transmission tower, the bottom end of the main tower 1 is arranged on a pre-supported concrete foundation, a main tower rotating shaft 11 is fixed at the top end of the main tower 1, the high hanging point support 4 is arranged at the top end of the main tower rotating shaft 11, a high hanging point insulator 5 is hung on the high hanging point support 4, the high hanging point insulator 5 is connected with a high voltage power transmission line, the structure of the high hanging point support 4 can adopt various forms including a solid web form and a lattice form, thus the mass of the high hanging point support 4 can be further reduced, a backing plate 12 and a retaining ring 13 are respectively arranged at the upper end and the lower, backing plate 12 and fender ring 13 all are used for protection and spacing, the top surface and the high hanging point support 4 welded fastening of backing plate 12, the top edge and the low hanging point swinging boom 2 contact of fender ring 13, the center department of low hanging point swinging boom 2 is equipped with low hanging point swinging boom sleeve pipe 21, low hanging point swinging boom sleeve pipe 21 is located the outside of main tower pivot 11, low hanging point swinging boom sleeve pipe 21 and the marginal fixed connection of metal damper torsion support outer loop layer 32, install two symmetric distribution's low hanging point insulator 6 on the low hanging point swinging boom 2, low hanging point insulator 6 is connected with high tension power line, the outer wall and the metal damper torsion support 3 of main tower pivot 11 are connected, metal damper torsion support 3 can play the effect of buffering for high tension power line damping.
The metal damper torsion support 3 comprises a metal damper torsion support inner ring layer 31, a metal damper torsion support outer ring layer 32 and a metal damper part 33, the inner wall of the metal damper torsion support inner ring layer 31 is fixedly connected with the main tower rotating shaft 11, the metal damper parts 33 which are uniformly distributed are arranged in the gap between the metal damper torsion support inner ring layer 31 and the metal damper torsion support outer ring layer 32, the metal damper parts 33 are used as main components of metal damping buffering, when the metal damper torsion support inner ring layer 31 and the metal damper torsion support outer ring layer 32 move relatively, the metal damper parts 33 can deform and play a role of damping buffering, the metal damper parts 33 comprise a first cross column 331, a second cross column 332, a first deformation block 333 and a second deformation block 334, and the metal damper parts 33 are uniformly distributed, namely, the first cross post 331, the second cross post 332, the first deformation block 333 and the second deformation block 334 are uniformly distributed in the gap between the metal damper torsion support inner ring layer 31 and the metal damper torsion support outer ring layer 32, so that the torque caused by the high-voltage wire fracture can be uniformly dispersed, one end of the first cross post 331 is fixedly connected with the outer wall of the metal damper torsion support inner ring layer 31, the first deformation block 333 is installed at the other end of the first cross post 331, the first deformation block 333 is in contact connection with the second deformation block 334, the fit mode between the first deformation block 333 and the second deformation block 334 is interference fit, so that when no high-voltage wire fracture accident occurs, the whole metal damper torsion support 3 is tensioned to ensure the stability of the whole high-voltage line, the side wall of the first deformation block 333 and the side wall of the second deformation block 334 are both provided with arc surfaces, wherein the arc surface on the side wall of the first deformation block 333 can increase the strength thereof, the arc surface on the side wall of the second deformation block 334 can reduce the strength thereof, so that huge torque can be brought to the metal damper torsion support 3 at the moment of high-voltage wire fracture, wherein the huge torque can provide huge force for the low hanging point rotating arm 2, so that the metal damper torsion support outer ring layer 32 can be forced to rotate, when the metal damper torsion support outer ring layer 32 rotates, the first deformation block 333 is in close contact with the second deformation block 334, because the strength of the second deformation block 334 is weaker, so that the second deformation block 334 can be forced to deform, the second deformation block 334 is subjected to gap or even bending, and meanwhile, uniformly distributed metal damper parts 33 are arranged in a gap between the metal damper torsion support inner ring layer 31 and the metal damper torsion support outer ring layer 32, so that the force on each metal damper part 33 can be effectively dispersed, and the equipment can run more stably, the second deformation block 334 is installed at one end of the second cross column 332, the other end of the second cross column 332 is fixedly connected with the inner wall of the metal damper torsion support outer ring layer 32, and the bottom edge of the metal damper torsion support outer ring layer 32 is fixedly connected with the low hanging point rotating arm 2.
This main tower torsion transmission tower is prevented to metal damper power consumption, including main tower 1, low hanging point swinging boom 2, metal damper twists reverse support 3 and high hanging point support 4 three all installs the top at main tower 1, backing plate 12 and fender ring 13 are installed respectively to the upper and lower both ends of main tower pivot 11, backing plate 12 and fender ring 13 all are used for protection and spacing, the outer wall of main tower pivot 11 twists reverse support 3 with metal damper and is connected, metal damper twists reverse support 3 and can play the effect of buffering for high voltage transmission line damping. The metal damper torsion support 3 comprises a metal damper torsion support inner ring layer 31, a metal damper torsion support outer ring layer 32 and a metal damper part 33, the inner wall of the metal damper torsion support inner ring layer 31 is fixedly connected with the main tower rotating shaft 11, the metal damper part 33 is uniformly arranged in the gap between the metal damper torsion support inner ring layer 31 and the metal damper torsion support outer ring layer 32, the metal damper part 33 is uniformly distributed and can uniformly disperse the torque caused by high-voltage wire fracture, the metal damper part 33 is used as a main component of metal damping buffering, when the metal damper torsion support inner ring layer 31 and the metal damper torsion support outer ring layer 32 move relatively, the metal damper part 33 can deform and play a role of damping buffering, the metal damper part 33 comprises a first transverse column 331, a second transverse column 332, a third transverse column 32 and a fourth transverse column 33, The first deformation block 333 and the second deformation block 334 are in interference fit, so that when no high-voltage wire breakage accident occurs, the whole metal damper torsion support 3 is tensioned to ensure the stability of the whole high-voltage line, and huge torque is brought to the metal damper torsion support 3 at the moment of high-voltage wire breakage, so that the metal damper torsion support outer ring layer 32 is forced to rotate, the metal damper torsion support outer ring layer 32 rotates, the first deformation block 333 is in close contact with the second deformation block 334, because the strength of the second deformation block 334 is weaker, the second deformation block 334 is forced to deform, the second deformation block 334 is notched or even bent, the uniform distribution of the metal damper parts 33 can effectively disperse the force on each metal damper part 33, and the equipment runs more stably, therefore, the torsion and the vibration of the main tower can be effectively reduced, and the main tower is well protected.
In summary, the following steps: the main tower torsion preventing power transmission tower with the energy consumption of the metal damper has the advantages that the metal damper parts 33 are uniformly distributed and can uniformly disperse the torque caused by the breakage of a high-voltage wire, the metal damper parts 33 serve as main components of metal damping buffering, the first deformation block 333 and the second deformation block 334 are in interference fit, so that when no high-voltage wire breakage accident happens, the whole metal damper torsion support 3 is tensioned to ensure the stability of the whole high-voltage line, huge torque can be brought to the metal damper torsion support 3 at the moment of breakage of the high-voltage wire, the metal damper torsion support outer ring layer 32 can be forced to rotate, the first deformation block 333 is in close contact with the second deformation block 334, the second deformation block 334 can be forced to deform due to the fact that the strength of the second deformation block 334 is weaker, the second deformation block 334 is notched or even bent, the uniform distribution of the metal damper parts 33 can effectively disperse the force applied to each metal damper part 33, the equipment operates more stably, so that the torsion and vibration of the main tower can be effectively reduced, and the main tower is well protected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a power consumption of metal damper prevents main tower torsion transmission tower, includes main tower (1), hangs a little swinging boom (2), metal damper torsion support (3) and high string some support (4), its characterized in that: the low hanging point rotating arm (2), the metal damper torsion support (3) and the high hanging point support (4) are all arranged at the top end of the main tower (1), a main tower rotating shaft (11) is fixed at the top end of the main tower (1), and the outer wall of the main tower rotating shaft (11) is connected with the metal damper torsion support (3);
the metal damper torsion support (3) comprises a metal damper torsion support inner ring layer (31), a metal damper torsion support outer ring layer (32) and a metal damper part (33), the inner wall of the metal damper torsion support inner ring layer (31) is fixedly connected with a main tower rotating shaft (11), the metal damper part (33) which is uniformly distributed is arranged in a gap between the metal damper torsion support inner ring layer (31) and the metal damper torsion support outer ring layer (32), the metal damper part (33) comprises a first transverse column (331), a second transverse column (332), a first deformation block (333) and a second deformation block (334), one end of the first transverse column (331) is fixedly connected with the outer wall of the metal damper torsion support inner ring layer (31), the other end of the first transverse column (331) is provided with the first deformation block (333), and the first deformation block (333) is in contact connection with the second deformation block (334), the second deformation block (334) is installed at one end of a second transverse column (332), the other end of the second transverse column (332) is fixedly connected with the inner wall of the metal damper torsion support outer ring layer (32), and the bottom edge of the metal damper torsion support outer ring layer (32) is fixedly connected with the low hanging point rotating arm (2).
2. The main tower torsion resistant power transmission tower with the metal damper for dissipating energy of claim 1, wherein the side wall of the first deformation block (333) and the side wall of the second deformation block (334) are provided with arc surfaces.
3. The main tower torsion preventing power transmission tower consuming energy by the metal damper as recited in claim 1, wherein a low hanging point rotating arm sleeve (21) is arranged at the center of the low hanging point rotating arm (2), the low hanging point rotating arm sleeve (21) is positioned at the outer side of the main tower rotating shaft (11), the low hanging point rotating arm sleeve (21) is fixedly connected with the bottom edge of the metal damper torsion support outer ring layer (32), and two symmetrically distributed low hanging point insulators (6) are arranged on the low hanging point rotating arm (2).
4. The main tower torsion resistant power transmission tower with the metal damper for dissipating energy of claim 1, wherein the high hanging point bracket (4) is installed at the top end of the main tower rotating shaft (11), and the high hanging point insulator (5) is hung on the high hanging point bracket (4).
5. The main tower torsion preventing power transmission tower with the metal damper for dissipating energy according to claim 1, wherein a backing plate (12) and a baffle ring (13) are respectively installed at the upper end and the lower end of a main tower rotating shaft (11), the top surface of the backing plate (12) is fixedly welded with the high hanging point support (4), and the top edge of the baffle ring (13) is in contact with the low hanging point rotating arm (2).
6. The main tower torsion resistant transmission tower with the metal damper for dissipating energy of claim 1, wherein the first deformation block (333) and the second deformation block (334) are in interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906044.6A CN112013076A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower capable of preventing main tower torsion and consuming energy through metal damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906044.6A CN112013076A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower capable of preventing main tower torsion and consuming energy through metal damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112013076A true CN112013076A (en) | 2020-12-01 |
Family
ID=73516715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010906044.6A Withdrawn CN112013076A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower capable of preventing main tower torsion and consuming energy through metal damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112013076A (en) |
-
2020
- 2020-09-01 CN CN202010906044.6A patent/CN112013076A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201201 |
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| WW01 | Invention patent application withdrawn after publication |