CN115566621A - Windproof damping device for 35kV and below overhead distribution line - Google Patents
Windproof damping device for 35kV and below overhead distribution line Download PDFInfo
- Publication number
- CN115566621A CN115566621A CN202211077603.2A CN202211077603A CN115566621A CN 115566621 A CN115566621 A CN 115566621A CN 202211077603 A CN202211077603 A CN 202211077603A CN 115566621 A CN115566621 A CN 115566621A
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- Prior art keywords
- connecting rod
- damping device
- vibration
- overhead distribution
- distribution line
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a windproof damping device for an overhead distribution line of 35kV or below, wherein a vibration-proof assembly comprises a vibration damper and a first connecting rod, a rotating assembly is arranged outside the vibration-proof assembly and comprises a shell, a second connecting rod and a third connecting rod, and a fixing assembly is arranged inside the rotating assembly and comprises a first pull wire, a second pull wire and a spring. According to the invention, through the matching among the anti-vibration assembly, the rotating assembly and the fixing assembly, the extension of the device out of the anti-vibration structure can be changed under the condition of strong wind, the severe vibration of a stay wire is avoided, the telegraph pole is protected, the anti-vibration structure is retracted after the strong wind is over, and the service life of the device is prolonged.
Description
Technical Field
The invention relates to the technical field of distribution lines, in particular to a windproof damping device for 35kV or below overhead distribution lines.
Background
The 35kV and below overhead distribution lines are not only exposed in outdoor environment, but also are erected at higher positions, the stay wires for fixing the telegraph poles are suspended in the air, the influence of wind force is serious, the span is long, the gravity is also large, once the overhead distribution lines meet extreme weather such as strong wind, typhoon (displaying several levels of strong wind of wind force) and the like, the middle of the stay wires can swing, strong vibration can be generated after the wind force impacts the stay wires, line pole falling and even line breaking or even line tripping accidents can be caused extremely possibly for a long time, the normal operation of a power system is seriously threatened, and the social production and daily life are seriously influenced.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and title of the application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the conventional distribution line windproof device.
The problem to be solved by the invention is therefore how to reduce the vibrations of the pole guy wires in high wind conditions.
In order to solve the technical problems, the invention provides the following technical scheme: a windproof damping device for 35kV and below overhead distribution lines comprises a vibration-proof assembly, a rotating assembly and a fixing assembly.
As a preferred scheme of the windproof damping device for the 35kV and following overhead distribution lines, the windproof damping device comprises the following components in percentage by weight: the vibration-proof assembly comprises a vibration-proof hammer and a first connecting rod, and the first connecting rod is connected with the vibration-proof hammer in a penetrating way;
the rotating assembly is arranged outside the anti-vibration assembly and comprises a shell, a second connecting rod and a third connecting rod, the second connecting rod is connected with one end of the shell in a penetrating manner, and the third connecting rod is connected with the other end of the shell in a penetrating manner; and the number of the first and second groups,
the fixed assembly is arranged inside the rotating assembly and comprises a first stay wire, a second stay wire and a spring, the spring is arranged between the first stay wire and the second stay wire, and the first stay wire and the second stay wire are arranged in the center of the shell.
As a preferred scheme of the windproof damping device for the 35kV and following overhead distribution lines, the windproof damping device comprises the following components in percentage by weight: the damper comprises a hammer body and an air plate, wherein the air plate is vertically arranged in the center of one edge of the hammer body.
As a preferred scheme of the windproof damping device for the 35kV and the following overhead distribution lines, the windproof damping device comprises: the side face of the damper is provided with a first groove, and the bottom of the first groove is provided with a through hole.
As a preferred scheme of the windproof damping device for the 35kV and the following overhead distribution lines, the windproof damping device comprises: the shell top is equipped with the recess No. two, the damper set up in inside the recess No. two.
As a preferred scheme of the windproof damping device for the 35kV and following overhead distribution lines, the windproof damping device comprises the following components in percentage by weight: a connecting rod one end runs through the stockbridge damper a recess with the through-hole, the connecting rod other end is connected fixed subassembly, the antivibration subassembly still includes a nut, a nut set up in the stockbridge damper both ends, a nut cup joint in a connecting rod.
As a preferred scheme of the windproof damping device for the 35kV and following overhead distribution lines, the windproof damping device comprises the following components in percentage by weight: the connecting rod II penetrates through and is connected with the shell in a rotating mode and is connected with the fixing assembly, the connecting rod III penetrates through and is connected with the shell in a rotating mode, a through hole is formed in the middle of the connecting rod III, and the connecting rod I penetrates through the through hole formed in the connecting rod III.
As a preferred scheme of the windproof damping device for the 35kV and the following overhead distribution lines, the windproof damping device comprises: the rotating assembly further comprises a second nut and a third nut, the second nut is arranged at one end of the second connecting rod, and the third nut is arranged at two ends of the third connecting rod.
As a preferred scheme of the windproof damping device for the 35kV and following overhead distribution lines, the windproof damping device comprises the following components in percentage by weight: the fixed subassembly still includes a knot fastener and No. two knot fasteners, a knot fastener set up in No. one stay wire end, no. two knot fasteners set up in No. two stay wire ends.
As a preferred scheme of the windproof damping device for the 35kV and following overhead distribution lines, the windproof damping device comprises the following components in percentage by weight: fixed subassembly still includes solid fixed ring and No. two solid fixed rings, a solid fixed ring through connection knot fastener No. one, no. two solid fixed ring through connection No. two knot fasteners, fixed subassembly still includes shift ring and No. two shift rings, a shift ring cup joint in No. one gu on the fixed ring, no. two shift rings cup joint in No. two gu on the fixed ring.
As a preferred scheme of the windproof damping device for the 35kV and following overhead distribution lines, the windproof damping device comprises the following components in percentage by weight: the first movable ring and the second movable ring are provided with screw holes in the outer sides, one end of the second connecting rod is connected with the second nut, the other end of the second connecting rod is connected with the screw hole in the outer side of the second movable ring, one end of the first connecting rod is connected with the anti-vibration hammer in a penetrating mode, and the other end of the first connecting rod is connected with the screw hole in the outer side of the first movable ring.
The invention has the beneficial effects that: according to the invention, through the matching among the anti-vibration assembly, the rotating assembly and the fixing assembly, the extension of the device out of the anti-vibration structure can be changed under the condition of strong wind, the severe vibration of a stay wire is avoided, the telegraph pole is protected, the anti-vibration structure is retracted after the strong wind is over, and the service life of the device is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an internal structure diagram of a wind-proof damping device for an overhead distribution line of 35kV or less.
Fig. 2 is an overall configuration diagram of the windproof and damping device for an overhead distribution line of 35kV or less.
Fig. 3 is another state overall structure diagram of the wind-proof damping device for the overhead distribution line of 35kV and below.
Fig. 4 is another internal structure diagram of the windproof and damping device for the overhead distribution line of 35kV and below.
Fig. 5 is a partial structure diagram of a fixing component of the windproof damping device for the overhead distribution line of 35kV and below.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a windproof damping device for an overhead distribution line of 35kV or below, wherein a vibration isolation assembly 100 includes a vibration damper 101 and a first connecting rod 102, a rotating assembly 200 disposed outside the vibration isolation assembly 100 and including a housing 201, a second connecting rod 202 and a third connecting rod 203, and a fixing assembly 300 disposed inside the rotating assembly 200 and including a first pull wire 301, a second pull wire 302 and a spring 303.
Specifically, the vibration isolation assembly 100 includes a damper 101 and a first connecting rod 102, and the first connecting rod 102 is connected to the damper 101 in a penetrating manner.
The first connecting rod 102 is mainly made of steel strands, screws are welded at two ends of the first connecting rod, a steel ring is sleeved in the middle of the first connecting rod, external threads are also tapped, and the anti-vibration assembly 100 is used for weakening vibration of a telegraph pole stay wire in strong wind.
Specifically, the rotating assembly 200 is disposed outside the anti-vibration assembly 100, and includes a housing 201, a second connecting rod 202 and a third connecting rod 203, wherein the second connecting rod 202 is connected to one end of the housing 201 in a penetrating manner, and the third connecting rod 203 is connected to the other end of the housing 201 in a penetrating manner.
The rotation unit 200 provides a part of support to the vibration prevention unit 100 and simultaneously changes its angle in response to the vibration prevention unit 100 in case of strong wind, thereby reducing the influence of wind.
Specifically, the fixing component 300 is disposed inside the rotating component 200, and includes a first pulling wire 301, a second pulling wire 302 and a spring 303, the spring 302 is disposed between the first pulling wire 301 and the second pulling wire 302, and the first pulling wire 301 and the second pulling wire 302 are disposed in the center of the housing 201.
When the fixed assembly 300 is in strong wind, the distance between the first stay 301 and the second stay 302 increases, the spring 303 extends, the anti-vibration assembly 100 is pushed out, and the influence of wind force is reduced.
When the anti-vibration assembly 100 is used, the first pull wire 301, the second pull wire 302 and the spring 303 can be integrally regarded as pull wires, when wind blows, the distance between the first pull wire 301 and the second pull wire 302 is increased, the spring 303 extends to push the anti-vibration assembly 100 out, vibration of the pull wires is reduced, meanwhile, the anti-vibration assembly 100 changes the direction under the influence of wind power, the rotating assembly 200 which provides partial support for the anti-vibration assembly 100 is also driven to change the direction, and the influence of the wind power is reduced.
Example 2
Referring to fig. 1 to 5, there is shown a second embodiment of the present invention, which is based on the previous embodiment.
Specifically, the damper 101 includes a hammer body 101a and a wind plate 101b, and the wind plate 101b is vertically disposed at a center of one edge of the hammer body 101 a.
The wind plate 101b is blown by wind in strong wind, and drives the hammer body 101a to rotate, and naturally rotates to a direction with small resistance.
Specifically, the side surface of the damper 101 is provided with a first groove H1, and the bottom of the first groove H1 is provided with a through hole.
The damper 101 is penetrated through the first groove H1 and the through hole by the first connecting rod 102, and the damper 101 is clamped between a screw at one end of the first connecting rod 102 and a steel ring with an external thread tapped in the middle.
Specifically, the top of the housing 201 is provided with a second groove H2, and the damper 101 is disposed inside the second groove H2.
The second groove H2 allows the vibration preventing assembly 100 to enter and exit when changing states.
Specifically, a recess H1 and the through-hole of damper 101 are run through to a connecting rod 102 one end, and fixed subassembly 300 is connected to a connecting rod 102 other end, and antivibration subassembly 100 still includes a nut 103, and a nut 103 sets up in damper 101 both ends, and a nut 103 cup joints in a connecting rod 102.
A nut 103 has a plurality ofly, a threaded connection connecting rod 102 one end, and the steel ring of attacking the external screw thread in the middle of another threaded connection connecting rod 102, and nut 103 fixes damper 101 on connecting rod 102.
When the vibration-proof assembly 100 is used, the first pull wire 301, the second pull wire 302 and the spring 303 can be integrally regarded as pull wires, when the wind is strong, the distance between the first pull wire 301 and the second pull wire 302 is increased, the spring 303 is extended to push out the vibration-proof assembly 100, so that the vibration of the pull wires is reduced, meanwhile, the vibration-proof assembly 100 changes the direction under the influence of the wind power, the rotating assembly 200 which provides partial support for the vibration-proof assembly 100 is also driven to change the direction, the influence of the wind power is reduced, and the wind plate 101b is blown by the wind when the wind is strong, so that the hammer body 101a can be driven to rotate and naturally rotate to the direction with small resistance; the anti-vibration hammer 101 penetrates through the first groove H1 and the through hole through the first connecting rod 102, and the anti-vibration hammer 101 is clamped between a screw at one end of the first connecting rod 102 and a steel ring with an external thread tapped in the middle; the second groove H2 is used for the anti-vibration assembly 100 to go in and out when changing the state; the first nuts 103 are multiple, one end of each first connecting rod 102 is in threaded connection, the other end of each first connecting rod 102 is in threaded connection with a steel ring with an external thread, and the damper 101 is fixed on the first connecting rod 102 through the first nuts 103.
Example 3
Referring to fig. 1-5, a third embodiment of the present invention is based on the first two embodiments.
Specifically, no. two connecting rods 202 run through and are connected with shell 201 in a rotating manner and are connected with fixed component 300, no. three connecting rods 203 run through and are connected with shell 201 in a rotating manner, a through hole is formed in the middle of No. three connecting rods 203, and a connecting rod 102 runs through the through hole formed in No. three connecting rods 203.
The second connecting rod 202 fixes the rotating component 200 on the pull line, and the first connecting rod 102 penetrates through and is connected with the third connecting rod 203, so that the third connecting rod 203 is indirectly fixed on the pull line.
Specifically, the rotating assembly 200 further comprises a second nut 204 and a third nut 205, the second nut 204 is arranged at one end of the second connecting rod 202, and the third nut 205 is arranged at two ends of the third connecting rod 203.
The second nut 204 and the third nut 205 limit the corresponding connecting rod from entering and exiting the hole in the housing 201, but do not limit the connecting rod from rotating axially around itself.
Specifically, the fixing assembly 300 further includes a first buckle 304 and a second buckle 305, the first buckle 304 is disposed at the end of the first pull wire 301, and the second buckle 305 is disposed at the end of the second pull wire 302.
The knot tying member ties the end of the pull wire into a loop which is attached to one end of the spring 303.
Specifically, the fixing component 300 further comprises a first fixing ring 306 and a second fixing ring 307, the first fixing ring 306 is connected with the first buckle 304 in a penetrating manner, the second fixing ring 307 is connected with the second buckle 305 in a penetrating manner, the fixing component 300 further comprises a first moving ring 308 and a second moving ring 309, the first moving ring 308 is sleeved on the first fixing ring 306, and the second moving ring 309 is sleeved on the second fixing ring 307.
Meanwhile, a fixing ring is arranged outside the buckle, and a moving ring is arranged on the fixing ring.
Specifically, screw holes are formed in the outer sides of the first moving ring 308 and the second moving ring 309, one end of the second connecting rod 202 is connected with the second nut 204, the other end of the second connecting rod is connected with the screw hole in the outer side of the second moving ring 309, one end of the first connecting rod 102 is connected with the damper 101 in a penetrating mode, and the other end of the first connecting rod is connected with the screw hole in the outer side of the first moving ring 308.
When the anti-vibration device is used, the wind force is small under the default condition, the spring 303 is in a contraction state, the anti-vibration hammer 101 connected with the first connecting rod 102 is close to the third connecting rod 203, most of the first connecting rod 102 is in the shell 201, when the wind force is large, the stay wire is blown to vibrate, meanwhile, the distance between the second connecting rod 202 and the third connecting rod 203 is increased, the spring 303 is lengthened, the first fastening piece 304 drives the first fixing ring 306, the first moving ring 308 is driven, the first connecting rod 102 is driven, the anti-vibration hammer 101 is far away from the stay wire, meanwhile, the first connecting rod 102 is nearly perpendicular to the stay wire under the limitation of the first moving ring 308 and the third connecting rod 203, the anti-vibration hammer 101 is far away from the stay wire as far as possible, and the maximum anti-vibration effect is achieved.
Meanwhile, because the movable ring is sleeved on the fixed ring, the movable ring can move around the fixed ring, and when the wind plate 101b is adjusted in direction by wind force, the wind plate can drive the shell 201, the second connecting rod 202, the third connecting rod 203 and the like to rotate, namely, the whole rotating assembly 200 is driven to rotate.
When wind power is weakened, the spring 303 contracts, the whole device restores to the previous default state, the phenomenon that part of the structure is too prominent is avoided, and the service life of the device is prolonged.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a damping device is prevent wind to 35kV and following overhead distribution lines which characterized in that: comprises the steps of (a) preparing a substrate,
the vibration-proof assembly (100) comprises a vibration-proof hammer (101) and a first connecting rod (102), wherein the first connecting rod (102) is connected with the vibration-proof hammer (101) in a penetrating way;
the rotating assembly (200) is arranged outside the anti-vibration assembly (100) and comprises a shell (201), a second connecting rod (202) and a third connecting rod (203), the second connecting rod (202) is connected with one end of the shell (201) in a penetrating mode, and the third connecting rod (203) is connected with the other end of the shell (201) in a penetrating mode; and the number of the first and second groups,
the fixing component (300) is arranged inside the rotating component (200) and comprises a first stay wire (301), a second stay wire (302) and a spring (303), the spring (302) is arranged between the first stay wire (301) and the second stay wire (302), and the first stay wire (301) and the second stay wire (302) are arranged in the center of the shell (201).
2. The 35kV and below overhead distribution line wind-resistant damping device of claim 1, wherein: the damper (101) comprises a damper body (101 a) and a wind plate (101 b), wherein the wind plate (101 b) is vertically arranged in the center of one edge of the damper body (101 a).
3. The 35kV and below overhead distribution line wind-resistant damping device according to claim 1 or 2, wherein: a first groove (H1) is formed in the side face of the damper (101), and a through hole is formed in the bottom of the first groove (H1).
4. The 35kV and below overhead distribution line wind-resistant damping device of claim 3, wherein: the top of the shell (201) is provided with a second groove (H2), and the damper (101) is arranged in the second groove (H2).
5. The 35kV and below overhead distribution line wind-resistant damping device of claim 4, wherein: a connecting rod (102) one end runs through a recess (H1) of damper (101) with the through-hole, a connecting rod (102) other end is connected fixed subassembly (300), antivibration subassembly (100) still include a nut (103), a nut (103) set up in damper (101) both ends, a nut (103) cup joint in connecting rod (102).
6. The 35kV and below overhead distribution line wind-resistant damping device according to claim 4 or 5, wherein: the second connecting rod (202) penetrates through and is connected with the shell (201) in a rotating mode and is connected with the fixing component (300), the third connecting rod (203) penetrates through and is connected with the shell (201) in a rotating mode, a through hole is formed in the middle of the third connecting rod (203), and the first connecting rod (102) penetrates through the through hole formed in the third connecting rod (203).
7. The 35kV and below overhead distribution line wind-proof damping device of claim 6, wherein: the rotating assembly (200) further comprises a second nut (204) and a third nut (205), the second nut (204) is arranged at one end of the second connecting rod (202), and the third nut (205) is arranged at two ends of the third connecting rod (203).
8. The 35kV and below overhead distribution line wind-resistant damping device of claim 7, wherein: the fixing component (300) further comprises a first buckling piece (304) and a second buckling piece (305), the first buckling piece (304) is arranged at the tail end of the first stay wire (301), and the second buckling piece (305) is arranged at the tail end of the second stay wire (302).
9. The 35kV and below overhead distribution line wind-resistant damping device of claim 8, wherein: fixed subassembly (300) still include fixed ring (306) and No. two fixed ring (307), fixed ring (306) through connection No. one knot spare (304), no. two fixed ring (307) through connection No. two knot spare (305), fixed subassembly (300) still includes shift ring (308) and No. two shift ring (309), shift ring (308) cup joint in fixed ring (306) on, no. two shift ring (309) cup joint in No. two fixed ring (307) are last.
10. The 35kV and below overhead distribution line wind-resistant damping device of claim 9, wherein: a shift ring (308) with No. two shift ring (309) outsides are equipped with the screw, no. two connecting rod (202) one end is connected No. two nut (204), and the other end is connected the screw in No. two shift ring (309) outsides, a connecting rod (102) one end through connection damper (101), the other end is connected the screw in a shift ring (308) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211077603.2A CN115566621A (en) | 2022-09-05 | 2022-09-05 | Windproof damping device for 35kV and below overhead distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211077603.2A CN115566621A (en) | 2022-09-05 | 2022-09-05 | Windproof damping device for 35kV and below overhead distribution line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115566621A true CN115566621A (en) | 2023-01-03 |
Family
ID=84738393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211077603.2A Pending CN115566621A (en) | 2022-09-05 | 2022-09-05 | Windproof damping device for 35kV and below overhead distribution line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115566621A (en) |
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2022
- 2022-09-05 CN CN202211077603.2A patent/CN115566621A/en active Pending
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