CN111852158A - Power transmission tower with metal damper capable of dissipating energy and twisting extending arm to rise - Google Patents
Power transmission tower with metal damper capable of dissipating energy and twisting extending arm to rise Download PDFInfo
- Publication number
- CN111852158A CN111852158A CN202010904406.8A CN202010904406A CN111852158A CN 111852158 A CN111852158 A CN 111852158A CN 202010904406 A CN202010904406 A CN 202010904406A CN 111852158 A CN111852158 A CN 111852158A
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- power transmission
- metal damper
- transmission tower
- torsion
- hanging point
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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
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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
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
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- Architecture (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a power transmission tower with a metal damper capable of dissipating energy and increasing a torsion stretching arm, which comprises a power transmission tower body, a low hanging point single-rotation arm and a metal damper torsion support, wherein the upper end of the power transmission tower body is fixedly connected with a main tower rotating shaft which is symmetrically distributed, the main tower rotating shaft is movably connected with the low hanging point single-rotation arm and the metal damper torsion support, the low hanging point single-rotation arm is arranged below the metal damper torsion support, and the upper end of the main tower rotating shaft is fixedly connected with a high hanging point support. According to the power transmission tower with the metal damper, the energy consumption torsion extending arm rises, the low hanging point single-rotation arm rotates to unload the horizontal force and the torsion force caused by the low hanging point arm under the accident working condition, the torsion angle and the deformation speed can be limited and the structural vibration can be reduced through the metal damper torsion support, the second component rotates around the first component, the supporting spring plays a supporting role in two sides of the first component and the second component, and the normal use effect is achieved.
Description
Technical Field
The invention relates to the technical field of power transmission towers, in particular to a power transmission tower with a metal damper capable of dissipating energy and twisting and extending an arm to ascend.
Background
At present, when electric energy is transmitted remotely, a power transmission tower with a large metal frame structure is mainly used for hanging and erecting a power transmission line, and in use, the power transmission tower is often subjected to small and large impact due to different working environments or abnormal fluctuation changes of the working environments and the like of the power transmission tower, especially under disastrous weather such as typhoon, severe ice disaster and the like, after the power transmission line on the power transmission tower is subjected to asymmetric fracture, the power transmission line can generate vertical load and horizontal load on the power transmission tower, the power transmission tower can often generate overturning danger and even tower collapse accidents, and the safe and stable operation of a power system is seriously threatened. In order to reduce the loss, a power grid company adopts various reinforcing measures, but the measures are usually embodied in the improvement of a main body of a power transmission tower, for example, local or whole main materials of the tower are reinforced, the probability that the main body of the tower buckles under external force damage can be reduced, but at the moment, the gravity and the specification and the size of the tower materials of the whole power transmission tower are correspondingly increased, so that the total load borne by the whole power transmission tower under the action of wind load is correspondingly increased, the anti-pulling and anti-overturning capacity of the original foundation of the power transmission tower is not matched with that of the power transmission tower after being reinforced and modified, the overall production cost of the modified power transmission tower is high, and the large-scale processing and use are not facilitated.
Disclosure of Invention
The invention aims to provide a power transmission tower with a metal damper, an energy-consuming torsion extending arm of which rises, a low hanging point single-rotation arm rotates to unload horizontal force under the accident condition and torsion force caused by the low hanging point arm, the torsion angle and the deformation speed can be limited and the structural vibration can be reduced through the torsion support of the metal damper, the second component rotates around the first component, the supporting spring plays a supporting role on two sides of the first component and the second component, when the normal use is achieved, stable structure without large deformation, slow and effective unloading under accident condition, meanwhile, the tension of the steel cable is utilized to limit the single rotating arm at the low hanging point up and down, so that the lead is not too low under the accident condition, the power transmission tower becomes safer under the accident condition, and the manufacturing cost of the power transmission tower for reducing the torsion effect is reduced, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a power transmission tower with a metal damper energy consumption torsion extending arm ascending comprises a power transmission tower body, a low hanging point single-rotation rotating arm and a metal damper torsion support, wherein the upper end of the power transmission tower body is fixedly connected with a main tower rotating shaft which is symmetrically distributed, the main tower rotating shaft is movably connected with the low hanging point single-rotation rotating arm and the metal damper torsion support, the low hanging point single-rotation rotating arm is arranged below the metal damper torsion support, and the upper end of the main tower rotating shaft is fixedly connected with a high hanging point support;
the metal damper torsion support comprises an inner ring layer, an outer ring layer, a metal damper part and an extension rod, one side of the outer wall of the outer ring layer is fixedly connected with one end of the extension rod, an extending groove is formed in the other end of the extension rod, the metal damper part is connected on the inner wall of the outer ring layer at an equal distance, and the metal damper part is far away from one side of the outer ring layer and is movably connected with the inner ring layer.
Preferably, the low hanging point single rotating arm and the high hanging point bracket are respectively connected with a low hanging point insulator and a high hanging point insulator.
Preferably, one end of the low hanging point single rotation arm is movably connected with a horizontal rotation winch, the horizontal rotation winch is movably connected with a main tower rotating shaft, the upper surface of the low hanging point single rotation arm is fixedly connected with a steel rod and a first ear plate, the first ear plate is hinged with a steel cable, and one end of the steel cable is hinged with the high hanging point support.
Preferably, the two sides of the high hanging point support are symmetrically connected with second ear plates.
Preferably, an annular groove is formed in the outer wall of the inner ring layer, rubber partition plates are connected to the inner portion of the annular groove at equal intervals, and the inner ring layers on the upper side and the lower side of the annular groove are respectively abutted to the metal damper component.
Preferably, the metal damper part comprises a first part and a second part, a first connecting protrusion and a second connecting protrusion are arranged at the middle positions of the first part and the second part, one side of the first part is fixedly connected with the inner wall of the outer ring layer, one side of the second part is fixedly connected with a slide rod, and the slide rod is movably connected with the inner ring layer.
Preferably, the two sides of the first connecting protrusion and the second connecting protrusion are both inclined plane structures, the two sides of the first connecting protrusion and the second connecting protrusion are both provided with long waist grooves, guide rods are movably connected in the long waist grooves, and the guide rods are sleeved with supporting springs.
Preferably, the both ends of guide bar extend to the protruding long waist inslot that corresponds in first connection and the second connection respectively, and the guide bar is arranged in both ends of long waist inslot and is all connected with the stopper.
Preferably, the two sides of the middle position of the first connecting protrusion are symmetrically connected with hinge lugs, the hinge lugs are fixedly connected with rotating shafts, and the first connecting protrusion below the rotating shafts is provided with arc-shaped grooves.
Preferably, clamping grooves are symmetrically formed in two sides of the middle position of the second connecting protrusion, and clamping rings are connected to the second connecting protrusion between the clamping grooves.
Compared with the prior art, the invention has the beneficial effects that: according to the power transmission tower with the metal damper, the energy consumption torsion stretching arm rises, the low hanging point single rotating arm rotates to unload the horizontal force and the torsion force caused by the low hanging point arm under the accident condition, the torsion angle and the deformation speed can be limited and the structural vibration can be reduced through the torsion support of the metal damper, the second component rotates around the first component, the support spring supports the two sides of the first component and the second component, the good effect that the structure is stable and does not deform greatly when the power transmission tower is in normal use, the power transmission tower is slowly and effectively unloaded under the accident condition is achieved, meanwhile, the low hanging point single rotating arm is limited up and down by the tensile force of the steel cable, the lead cannot be too low under the accident condition, the power transmission tower becomes safer under the accident condition, and the manufacturing cost of the power transmission tower for reducing the torsion effect is reduced.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a partial block diagram of the present invention;
FIG. 3 is a low hang point single swivel arm construction of the present invention;
FIG. 4 is a steel cord construction of the present invention;
FIG. 5 is a structural view of the torsional support of the metal damper of the present invention;
FIG. 6 is a diagram of the outer ring layer structure of the present invention;
FIG. 7 is a block diagram of a metal damper component of the present invention;
FIG. 8 is an exploded view of a metal damper component of the present invention;
fig. 9 is a view showing the structure of the inner ring layer of the present invention.
In the figure: 1. a power transmission tower body; 11. a main tower shaft; 2. a low hanging point single rotating arm; 21. a low hang point insulator; 22. horizontally rotating and twisting; 23. a steel rod; 24. a first ear plate; 3. a metal damper torsion support; 31. an inner ring layer; 311. an annular groove; 312. a rubber partition plate; 32. an outer ring layer; 33. a metal damper component; 331. a first member; 3311. a first connecting projection; 3312. a long waist groove; 3313. a guide bar; 3314. a support spring; 3315. a hinge ear; 3316. a rotating shaft; 332. a second component; 3321. a second connecting projection; 3322. a clamping groove; 3323. clamping a ring; 3324. a slide rod; 34. an extension rod; 341. an outward extending groove; 4. a high hanging point bracket; 41. a high hang point insulator; 42. a second ear panel; 5. a steel cord.
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. 1-4, a power transmission tower with a metal damper with an ascending energy-consuming torsion arm comprises a power transmission tower body 1, a low-hanging-point single-rotation arm 2 and a metal damper torsion support 3, wherein the upper end of the power transmission tower body 1 is fixedly connected with a main tower rotating shaft 11 which is symmetrically distributed, the main tower rotating shaft 11 is movably connected with the low-hanging-point single-rotation arm 2 and the metal damper torsion support 3, the low-hanging-point single-rotation arm 2 is arranged below the metal damper torsion support 3, the number of the low-hanging-point single-rotation arm 2 and the number of the metal damper torsion support 3 are two, the upper end of the main tower rotating shaft 11 is fixedly connected with a high-hanging-point support 4, the low-hanging-point single-rotation arm 2 and the high-hanging-point support 4 are respectively connected with a low-hanging-point insulator 21 and a high-hanging-point insulator 41, the low-hanging-point insulator 21 and the high-hanging-point insulator 41 are respectively connected with a high-voltage power transmission line, the horizontal rotating winch 22 is movably connected with the main tower rotating shaft 11, the low hanging point single rotating arm 2 can rotate around the main tower rotating shaft 11 through the horizontal rotating winch 22, the upper surface of the low hanging point single rotating arm 2 is fixedly connected with a steel rod 23 and a first lug plate 24, the steel rod 23 extends into the overhanging groove 341, when the low hanging point single rotating arm 2 rotates, the extension rod 34 is pushed by the steel rod 23 to drive the outer ring layer 32 to rotate, the first lug plate 24 is hinged with a steel cable 5, one end of the steel cable 5 is hinged with the high hanging point bracket 4, the two sides of the high hanging point bracket 4 are symmetrically connected with second lug plates 42, the second lug plates 42 are connected with the other end of the steel cable 5, the steel cable 5 is connected with the high hanging point bracket 4 and the low hanging point single rotating arm 2, the distance between the two ends of the wire is reduced when the low hanging point single rotating arm 2 rotates, the wire falls down due to the gravity effect, which causes the problem that the wire is too low hanging point single rotating arm 2 rotates, the distance between the first ear plate 24 and the second ear plate 42 is increased, but the wire strain generated by the steel cable 5 under the condition of receiving the pulling force is small, the steel cable 5 can generate large pulling force to enable the low hanging point single rotating arm 2 to rotate up and down along the horizontal rotating hinge 22, in the process of the forced movement of the low hanging point single rotating arm 2, not only the transverse displacement but also the vertical displacement is generated, the low hanging point single rotating arm 2 is ensured not to be too low in the rotating process, and the danger caused by too low lead is reduced.
Referring to fig. 5-9, the metal damper torsion support 3 includes an inner ring layer 31, an outer ring layer 32, a metal damper member 33 and an extension rod 34, one side of the outer wall of the outer ring layer 32 is fixedly connected to one end of the extension rod 34, the other end of the extension rod 34 is provided with an extended groove 341, the extension rod 34 drives the outer ring layer 32 to rotate, when the low hanging point single rotating arm 2 is twisted relative to the power transmission tower body 1, the steel rod 23 of the low hanging point single rotating arm 2 drives the outer ring layer 32 to be twisted, the metal damper member 33 can dissipate kinetic energy and has certain strength, so as to achieve the beneficial effects of limiting excessive deformation and too fast deformation of the low hanging point single rotating arm 2 and reducing vibration, the metal damper member 33 is connected to the inner wall of the outer ring layer 32 at an equal distance, one side of the metal damper member 33 away from the outer ring layer 32 is movably connected to the inner ring layer 31, the outer wall of the inner ring layer 31 is provided with an annular groove 311, rubber partition plates 312 are connected with the annular groove 311 at equal intervals, the rubber partition plates 312 are vertically arranged in the annular groove 311, the upper end and the lower end of each rubber partition plate 312 are not connected with the inner wall of the annular groove 311, the sliding rods 3324 extend into the annular groove 311, the outer ring layer 32 rotates, the rubber partition plates 312 play a role in blocking the sliding rods 3324 and can slow down the rotating speed of the outer ring layer 32, so that the excessive deformation and too fast deformation of the single rotating arm 2 with a low hanging point are limited, the inner ring layers 31 on the upper side and the lower side of the annular groove 311 are respectively abutted against the metal damper part 33, which is equivalent to certain initial torque, the metal damper part 33 comprises a first part 331 and a second part 332, a first connecting bulge 3311 and a second connecting bulge 3321 are respectively arranged on the middle positions of the first part 331 and the second part 332, one side of the first part 331 is fixedly connected with the inner wall of the outer ring layer 32, hinge lugs 3315 are symmetrically connected on two sides of the middle position of the first connecting bulge 331, the hinge lug 3315 is fixedly connected with a rotating shaft 3316, the first connecting protrusion 3311 below the rotating shaft 3316 is provided with an arc-shaped groove, two sides of the middle position of the second connecting protrusion 3321 are symmetrically provided with a clamping groove 3322, the clamping groove 3322 is clamped with the hinge lug 3315, the second connecting protrusion 3321 between the clamping grooves 3322 is connected with a clamping ring 3323, the clamping ring 3323 is movably connected with the rotating shaft 3316, one side of the second component 332 is fixedly connected with a slide rod 3324, one end of the slide rod 3324 extending into the annular groove 311 is a smooth curved surface structure, the slide rod 3324 is movably connected with the inner ring layer 31, two sides of the first connecting protrusion 3311 and the second connecting protrusion 3321 are both inclined surface structures, the first component 331 and the second component 332 are hinged by the rotating shaft 3316, the second component 332 rotates around the first component 331, the supporting spring 3314 supports two sides of the first component 331 and the second component 332, and helps the first component 331 and the second component 332 to keep parallel, reduce the damage of pressure to first part 331 and second part 332, long waist groove 3312 has all been seted up to the both sides of the protruding 3321 of first connection 3311 and second connection, swing joint has guide bar 3313 in the long waist groove 3312, supporting spring 3314 has been cup jointed on the guide bar 3313, the both ends of guide bar 3313 extend to respectively in the long waist groove 3312 of the correspondence on the protruding 3311 of first connection and the protruding 3321 of second connection, and the both ends that the guide bar 3313 arranged in long waist groove 3312 all are connected with the stopper, the stopper prevents that guide bar 3313 from breaking away from long waist groove 3312.
The working process is as follows: when the low-hanging-point single-rotation arm 2 is used, the steel rod 23 extends into the outward extending groove 341, when the low-hanging-point single-rotation arm 2 rotates, the extension rod 34 is pushed by the steel rod 23 to drive the outer ring layer 32 to rotate, the distance between two ends of a wire is reduced when the low-hanging-point single-rotation arm 2 rotates, the wire falls down under the action of gravity, and the wire is too low, the distance between the first ear plate 24 and the second ear plate 42 is increased when the low-hanging-point single-rotation arm 2 rotates, but the wire strain generated by the steel cable 5 under the condition of tension is smaller, the steel cable 5 generates larger tension, so that the low-hanging-point single-rotation arm 2 can rotate up and down along the horizontal rotation hinge 22, and in the stressed movement process of the low-hanging-point single-rotation arm 2, not only the transverse displacement but also the vertical displacement is generated, so that the wire of the low-hanging-point single-rotation arm 2 cannot be too low in the rotation process, and the danger, the supporting spring 3314 supports two sides of the first member 331 and the second member 332, and also helps the first member 331 and the second member 332 to be parallel, so as to reduce the damage of pressure on the first member 331 and the second member 332, and the rubber diaphragm 312 blocks the slide rod 3324, so as to slow down the rotation speed of the outer ring layer 32, thereby limiting the excessive deformation and too fast deformation of the low-hanging-point single-rotation arm 2.
In summary, the following steps: according to the power transmission tower with the metal damper, the energy consumption torsion extending arm rises, the low hanging point single-rotation arm 2 rotates to unload the horizontal force and the torsion force caused by the low hanging point arm under the accident condition, the torsion angle and the deformation speed can be limited and the structural vibration can be reduced through the metal damper torsion support 3, the second component 332 rotates around the first component 331, the support spring 3314 plays a role in supporting two sides of the first component 331 and the second component 332, the structure is stable and does not deform greatly when the power transmission tower is in normal use, the power transmission tower slowly and effectively unloads under the accident condition, meanwhile, the low hanging point single-rotation arm 2 is limited up and down by the tensile force of the steel cable 5, the lead is not too low under the accident condition, the power transmission tower becomes safer under the accident condition, and the manufacturing cost of the power transmission tower for reducing the torsion effect is reduced.
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 (10)
1. The utility model provides a transmission tower that power consumption of metal damper was twistd reverse and is stretched arm and rise, includes transmission tower body (1), low hanging point single rotation arm (2) and torsional support (3) of metal damper, its characterized in that: the upper end of the power transmission tower body (1) is fixedly connected with main tower rotating shafts (11) which are symmetrically distributed, the main tower rotating shafts (11) are movably connected with low hanging point single rotating arms (2) and metal damper torsion supports (3), the low hanging point single rotating arms (2) are arranged below the metal damper torsion supports (3), and the upper end of the main tower rotating shafts (11) is fixedly connected with a high hanging point support (4);
the metal damper torsion support (3) comprises an inner ring layer (31), an outer ring layer (32), a metal damper component (33) and an extension rod (34), one side of the outer wall of the outer ring layer (32) is fixedly connected with one end of the extension rod (34), an extending groove (341) is formed in the other end of the extension rod (34), the metal damper component (33) is connected on the inner wall of the outer ring layer (32) at an equal distance, and the metal damper component (33) is far away from one side of the outer ring layer (32) and movably connected with the inner ring layer (31).
2. The power transmission tower with the metal damper as claimed in claim 1, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: and the low hanging point single-rotation arm (2) and the high hanging point bracket (4) are respectively connected with a low hanging point insulator (21) and a high hanging point insulator (41).
3. The power transmission tower with the metal damper as claimed in claim 1, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: one end swing joint of low string of some list revolves rocking arm (2) has horizontal rotation hank (22), horizontal rotation hank (22) and main tower pivot (11) swing joint, and the last fixed surface of low string of some list revolves rocking arm (2) is connected with steel pole (23) and first otic placode (24), and articulated on first otic placode (24) have cable wire (5), and the one end and the high string of some support (4) of cable wire (5) are articulated and are connected.
4. The power transmission tower with the metal damper as claimed in claim 1, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: and the two sides of the high hanging point bracket (4) are symmetrically connected with second ear plates (42).
5. The power transmission tower with the metal damper as claimed in claim 1, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: the outer wall of the inner ring layer (31) is provided with an annular groove (311), rubber partition plates (312) are connected in the annular groove (311) at equal intervals, and the inner ring layer (31) on the upper side and the lower side of the annular groove (311) are respectively abutted to the metal damper component (33).
6. The power transmission tower with the metal damper as claimed in claim 1, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: the metal damper component (33) comprises a first component (331) and a second component (332), a first connecting protrusion (3311) and a second connecting protrusion (3321) are arranged at the middle positions of the first component (331) and the second component (332), one side of the first component (331) is fixedly connected with the inner wall of the outer ring layer (32), one side of the second component (332) is fixedly connected with a sliding rod (3324), and the sliding rod (3324) is movably connected with the inner ring layer (31).
7. The power transmission tower with the metal damper as claimed in claim 6, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: the both sides that first connection is protruding (3311) and second connection is protruding (3321) are the inclined plane structure, and long waist groove (3312) have all been seted up to the both sides that first connection is protruding (3311) and second connection is protruding (3321), and swing joint has guide bar (3313) in long waist groove (3312), has cup jointed supporting spring (3314) on guide bar (3313).
8. The power transmission tower with the metal damper for dissipating energy and twisting the boom ascending according to claim 7, wherein: the both ends of guide bar (3313) extend to in the long waist groove (3312) that corresponds on first connecting protrusion (3311) and second connecting protrusion (3321) respectively, and both ends that long waist groove (3312) was arranged in guide bar (3313) all are connected with the stopper.
9. The power transmission tower with the metal damper as claimed in claim 6, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: the both sides symmetry of the intermediate position of first connection arch (3311) is connected with articulated ear (3315), fixedly connected with pivot (3316) on articulated ear (3315), has seted up the arc recess on first connection arch (3311) of pivot (3316) below.
10. The power transmission tower with the metal damper as claimed in claim 6, wherein the power consumption torsion boom is raised, and the power transmission tower is characterized in that: clamping grooves (3322) are symmetrically formed in two sides of the middle position of the second connecting protrusion (3321), and clamping rings (3323) are connected to the second connecting protrusion (3321) between the clamping grooves (3322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904406.8A CN111852158A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower with metal damper capable of dissipating energy and twisting extending arm to rise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904406.8A CN111852158A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower with metal damper capable of dissipating energy and twisting extending arm to rise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111852158A true CN111852158A (en) | 2020-10-30 |
Family
ID=72968040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010904406.8A Withdrawn CN111852158A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower with metal damper capable of dissipating energy and twisting extending arm to rise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111852158A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU588326A1 (en) * | 1975-12-29 | 1978-01-15 | Башкирский сельскохозяйственный институт | Cross piece for power transmission line supports |
| CN205677340U (en) * | 2016-05-19 | 2016-11-09 | 国网福建省电力有限公司 | Elastic rotation cross-arm |
| CN108868295A (en) * | 2018-07-11 | 2018-11-23 | 江苏天曦电力设备有限公司 | Rotate cross-arm |
| CN110912068A (en) * | 2019-11-07 | 2020-03-24 | 国网甘肃省电力公司建设分公司 | Energy consumption hoop for reducing lightning rod wind vibration response and construction method thereof |
-
2020
- 2020-09-01 CN CN202010904406.8A patent/CN111852158A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU588326A1 (en) * | 1975-12-29 | 1978-01-15 | Башкирский сельскохозяйственный институт | Cross piece for power transmission line supports |
| CN205677340U (en) * | 2016-05-19 | 2016-11-09 | 国网福建省电力有限公司 | Elastic rotation cross-arm |
| CN108868295A (en) * | 2018-07-11 | 2018-11-23 | 江苏天曦电力设备有限公司 | Rotate cross-arm |
| CN110912068A (en) * | 2019-11-07 | 2020-03-24 | 国网甘肃省电力公司建设分公司 | Energy consumption hoop for reducing lightning rod wind vibration response and construction method thereof |
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Application publication date: 20201030 |
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