CN218386701U - Conductor galloping prevention device for overhead transmission line - Google Patents
Conductor galloping prevention device for overhead transmission line Download PDFInfo
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- CN218386701U CN218386701U CN202222348906.5U CN202222348906U CN218386701U CN 218386701 U CN218386701 U CN 218386701U CN 202222348906 U CN202222348906 U CN 202222348906U CN 218386701 U CN218386701 U CN 218386701U
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Abstract
The utility model provides an overhead transmission line conductor anti-galloping device, which comprises an insulating component, two wire clamping components and a damping energy-absorbing component; the insulating assembly comprises two insulating main bodies and two voltage-sharing assemblies, wherein one ends of the two insulating main bodies are connected, and the other ends of the two insulating main bodies are respectively connected with the voltage-sharing assemblies; the two wire clamping assemblies are respectively connected with two ends of the insulating assembly, and the voltage-sharing assembly is arranged between the wire clamping assemblies and the insulating main body; the damping and energy-absorbing assembly is arranged between the two insulating main bodies, and two ends of the damping and energy-absorbing assembly are respectively connected with the two insulating main bodies so as to absorb energy generated when the insulating main bodies vibrate. The utility model provides an overhead transmission line wire prevents waving and presss from both sides in the device and establish between two insulating main parts to the shock attenuation energy-absorbing subassembly of being connected with two insulating subassemblies can absorb the wire and wave and then drive insulating subassembly wobbling energy, and the line of rapid elimination waves.
Description
Technical Field
The utility model belongs to the technical field of the field irrigation equipment, concretely relates to overhead transmission line wire prevents waving device.
Background
When wind blows on an overhead transmission line, certain aerodynamic force can be generated, the line is easily induced to generate self-oscillation with low frequency and large amplitude of about 0.1-3 Hz, and the oscillation form shows that only one or a few half-waves exist in a span, which is called waving. The galloping is very big to overhead transmission line harm, can cause the circuit to flashover, trip, shaft tower bolt not hard up, drop, can take place gold utensil and insulator damage when serious, and the wire strand breakage, broken string, tower fall even to lead to the emergence of major power grid accident. Therefore, it is necessary to take certain anti-galloping measures.
Various anti-galloping devices are used in the existing power transmission line, and the common anti-galloping devices are composite phase-to-phase spacers and have a certain anti-galloping effect. At present, the composite interphase spacers are generally connected by common bar insulators and common wire clamp fittings, the galloping can be limited to a certain extent, the galloping slowing effect is poor, when the meteorological conditions are severe, the line galloping cannot be rapidly eliminated, and the defects that a wire clamp bolt is loosened, a line is crushed and the like are easily caused by long-time galloping.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an overhead transmission line wire prevents waving device aims at the rapid elimination circuit and waves.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an overhead transmission line wire prevents waving device includes:
the insulating assembly comprises two insulating main bodies and two voltage-sharing assemblies, wherein one ends of the two insulating main bodies are connected, and the other ends of the two insulating main bodies are respectively connected with the voltage-sharing assemblies;
the two wire clamping assemblies are respectively connected with two ends of the insulating assembly, and the voltage equalizing assembly is arranged between the wire clamping assemblies and the insulating main body;
and the damping and energy-absorbing component is arranged between the two insulating main bodies, and two ends of the damping and energy-absorbing component are respectively connected with the two insulating main bodies so as to absorb energy generated when the insulating main bodies vibrate.
In one possible implementation mode, each insulating main body comprises a core body, an insulating sleeve arranged on the core body and a connecting piece connected with one end of the core body, one end of the core body is connected with one end of the shock absorption assembly, the other end of the core body is connected with the connecting piece, and the connecting piece is connected with two wire clamping assemblies.
In a possible implementation manner, the insulating sleeve comprises a plurality of umbrella skirts and a plurality of sheaths, the umbrella skirts and the sheaths are all sleeved on the core body, and the sheaths are respectively clamped between the umbrella skirts.
In one possible implementation mode, the voltage-sharing assembly comprises a common voltage-sharing ring, the common voltage-sharing ring comprises a ring body, a connecting rod and a pressing plate, the ring body is sleeved on the core body, the connecting rod is arranged on one side of the core body, two ends of the core body are connected with the ring body, the pressing plate is arranged on the other side of the core body, and the core body is matched and fastened with the connecting rod.
In one possible implementation, the voltage-sharing assembly comprises a bird damage prevention voltage-sharing ring, the bird damage prevention voltage-sharing ring comprises two fan-shaped plates, the two fan-shaped plates are respectively arranged on two sides of the core body and are connected with each other to form an umbrella-shaped structural plate, and the core body is fastened.
In a possible implementation, the voltage-sharing assembly comprises a weight voltage-sharing ring, the weight voltage-sharing ring comprises a gravity block and two clamping plates, a dodging hole is formed in the center of the gravity block, the core body passes through the dodging hole, and the two clamping plates are respectively arranged on two sides of the core body and connected with the gravity block to clamp the core body.
In a possible implementation manner, the wire clamping assembly comprises two wire clamping seats, a gland, a damping rubber pad, a fastening bolt and a fastening nut, wherein the gland is connected with the wire clamping seats to clamp a wire; the wire clamp seat is connected with the connecting piece, the damping rubber pad is clamped between the wire clamp seat and the gland, the conducting wire is clamped in the damping rubber pad, and the fastening bolt sequentially penetrates through the wire clamp seat and the gland to be connected with the fastening nut.
In a possible implementation mode, the wire clamp seat is rotatably connected with the connecting piece, one end of the flexible sleeve is connected with the connecting piece in a sealing mode, and the other end of the flexible sleeve is connected with the wire clamp seat in a sealing mode.
In one possible implementation manner, the shock absorption and energy absorption assembly comprises a shell, two connecting plates and a spring, wherein one sides of the two connecting plates are respectively connected with one ends of the two core bodies, and the other sides of the two connecting plates are respectively connected with two ends of the spring; the shell covers the two connecting plates and the outer sides of the springs, and the two ends of the shell are respectively in sliding connection with the two cores.
In a possible implementation, the casing comprises two half-shells and two wear-resistant sealing rings, the two half-shells being engaged and interconnected to clamp the core between the two half-shells, the two wear-resistant sealing rings being respectively arranged at the two ends of the half-shells and connected to the half-shells, and the wear-resistant sealing ring being composed of two wear-resistant sealing half-rings, the two wear-resistant sealing half-rings being respectively connected to the two half-shells.
The utility model provides an overhead transmission line wire prevents waving device's beneficial effect is: compared with the prior art, the utility model provides a device is prevented waving by overhead transmission line wire includes insulating assembly, establishes and is used for pressing from both sides the wire clamping component who establishes the wire and press from both sides at two ends of insulating assembly and establish two between the insulating main part to the shock attenuation energy-absorbing subassembly of being connected with two insulating assemblies, wherein the shock attenuation energy-absorbing subassembly can absorb the wire and wave and then drive insulating assembly wobbling energy, and the fast elimination line waves.
Drawings
Fig. 1 is a schematic perspective view of a conductor galloping prevention device for an overhead transmission line provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic perspective view of the conductor anti-galloping device for the overhead transmission line provided in the first embodiment of the present invention after the casing and the flexible sheath are removed;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is a schematic perspective view of a conductor galloping prevention device for an overhead transmission line provided by the second embodiment of the present invention;
fig. 6 is a schematic perspective view of a conductor anti-galloping device for an overhead transmission line provided in the third embodiment of the present invention;
FIG. 7 is an enlarged view of the portion C of FIG. 6;
description of the reference numerals:
11. a core body; 12. a connecting member; 13. an umbrella skirt; 14. a sheath;
21. a ring body; 22. a connecting rod; 23. pressing a plate; 30. a sector plate;
41. a gravity block; 42. a splint; 51. a wire holder base; 52. a gland;
53. damping rubber pads; 60. a flexible sleeve; 71. a connecting plate; 72. a spring;
73. a half shell; 74. wear-resistant sealing ring.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 7 together, the conductor galloping prevention device for an overhead transmission line according to the present invention will now be described. The conductor galloping prevention device for the overhead transmission line comprises an insulation assembly, two wire clamping assemblies and a damping and energy-absorbing assembly; the insulating assembly comprises two insulating main bodies and two voltage-sharing assemblies, wherein one ends of the two insulating main bodies are connected, and the other ends of the two insulating main bodies are respectively connected with the voltage-sharing assemblies; the two wire clamping assemblies are respectively connected with two ends of the insulating assembly, and the voltage-sharing assembly is arranged between the wire clamping assemblies and the insulating main body; the damping and energy-absorbing assembly is arranged between the two insulating main bodies, and two ends of the damping and energy-absorbing assembly are respectively connected with the two insulating main bodies so as to absorb energy generated when the insulating main bodies vibrate.
The utility model provides an overhead transmission line wire prevents waving device's beneficial effect is: compared with the prior art, the utility model provides a device is prevented waving by overhead transmission line wire includes insulating assembly, establishes at two ends of insulating assembly and is used for pressing from both sides the wire clamping component who establishes the wire and press from both sides and establish between two insulating main parts to the shock attenuation energy-absorbing subassembly of being connected with two insulating assemblies, wherein the shock attenuation energy-absorbing subassembly can absorb the wire and wave and then drive insulating assembly wobbling energy, and the line of quick elimination waves.
As shown in fig. 1, the embodiment of the utility model provides an overhead transmission line wire prevents waving device in a specific implementation mode, every insulating main part includes core 11, the cover establishes insulating cover on core 11 and the connecting piece 12 of being connected with core 11 one end, and the one end of core 11 is connected with the one end of shock attenuation energy-absorbing subassembly, and the other end is connected with connecting piece 12, and connecting piece 12 is connected with two wire clamping components.
Specifically, the insulating main body is a composite insulator, and the part 3 of the insulator use guide rule for DL/T1000.3 overhead lines with the nominal voltage higher than 1000V is required to be satisfied: rod-shaped suspension composite insulators for alternating current systems.
a) The mechanical tensile load of the interphase composite insulator should not be less than 50kN.
b) The interphase composite insulator used by the rod-shaped interphase spacer meets the requirement of a buckling vibration fatigue test, and the test method and the judgment criterion are shown in DL/T1058-2016.
c) The interphase composite insulator used by the flexible interphase spacer should meet the requirements of a dynamic tensile-bending fatigue test torsion test and an elastic tensile test.
As shown in fig. 1, the embodiment of the utility model provides an among the concrete implementation mode of overhead transmission line wire anti-galloping device, insulating cover includes a plurality of full skirts 13 and a plurality of sheath 14, and a plurality of full skirts 13 and a plurality of sheath 14 all overlap and establish on core 11, and a plurality of sheaths 14 press from both sides respectively and establish between a plurality of full skirts 13.
Specifically, the insulating sleeve is made of silicon rubber, and the material meets the requirements of DL/T376 general technical conditions for insulating materials for polymer insulator sheds 13 and sheaths 14, and has good hydrophobicity, electrical performance and mechanical performance.
As shown in fig. 3 and 4, the embodiment of the utility model provides an overhead transmission line wire prevents waving device in a specific implementation mode, the voltage-sharing subassembly includes ordinary equalizer ring, and ordinary equalizer ring includes ring body 21, connecting rod 22 and clamp plate 23, and ring body 21 cover is established on core 11, and connecting rod 22 is established in 11 one sides of core, and both ends are connected with ring body 21, and clamp plate 23 is established at 11 opposite sides of core, step up core 11 with the cooperation of connecting rod 22.
Specifically, the common grading ring is mounted on the core 11 between the insulating sleeve and the wire clamping assembly, and is fastened and connected through bolts.
As shown in fig. 5, the embodiment of the utility model provides an overhead transmission line wire prevents waving device during a specific implementation mode, the voltage-sharing subassembly is including preventing bird trouble equalizer ring, prevents that bird trouble equalizer ring includes two sector plates 30, and two sector plates 30 are established respectively in the both sides of core 11 to interconnect forms the umbrella-shaped structural slab, steps up core 11.
The grading ring has the functions of preventing side lightning stroke, is suitable for alternating-current voltage, can uniformly distribute high voltage around an object, and ensures that no potential difference exists among all annular parts, thereby achieving the effect of grading; when in use, the common grading ring is easily invaded by flying birds in the sky to cause the surface damage of the grading ring or inhabit and nest on the grading ring, thereby destroying the grading effect.
The two fan-shaped plates 30 are connected with each other to form an umbrella-shaped structural plate, so that birds can be effectively prevented from inhabiting and nesting on the umbrella-shaped structural plate.
As shown in fig. 6 and 7, in the embodiment of the utility model provides an overhead transmission line wire anti-galloping device, voltage-sharing component includes the weight equalizer ring, and the weight equalizer ring includes gravity piece 41 and two splint 42, and the hole of dodging has been seted up at gravity piece 41 center, and core 11 passes from dodging the hole, and two splint 42 are established respectively in core 11 both sides to be connected with gravity piece 41, in order to step up core 11.
It should be noted that, the power transmission line erected in the ridge area is susceptible to turbulence, the wire waving condition is severe, and the weight type pressure ring can be used, so that the functions of the grading ring and the weight can be achieved at the same time, and waving of the wire due to turbulence is reduced.
As shown in fig. 1 and 4, in a specific implementation manner of the conductor anti-galloping device for the overhead transmission line provided by the embodiment of the present invention, the wire clamping assembly includes two wire clamping seats 51, a gland 52, a damping rubber pad 53, a fastening bolt and a fastening nut, the gland 52 is connected with the wire clamping seats 51 to clamp the conductor; the wire clamp seat 51 is connected with the connecting piece 12, the damping rubber pad 53 is clamped between the wire clamp seat 51 and the gland 52, the lead is clamped in the damping rubber pad 53, and the fastening bolt sequentially penetrates through the wire clamp seat 51 and the gland 52 to be connected with the fastening nut.
Specifically, the rubber damping pad can be changed to different specifications according to different wire diameters.
The wire clamping assembly can correspondingly select a two-split or four-split wire clamp according to the splitting forms of the wires, such as two-split and four-split,
as shown in fig. 1, the embodiment of the present invention provides an anti-galloping device for an overhead transmission line conductor, which further includes two flexible sleeves 60, wherein the wire holder 51 is rotatably connected to the connecting member 12, one end of each flexible sleeve 60 is hermetically connected to the connecting member 12, and the other end of each flexible sleeve is hermetically connected to the wire holder 51.
It should be noted that, when the power transmission line waves, the insulating main body and the wire clamp seat 51 rotate relatively to each other, so as to accelerate the speed of eliminating waves, and the flexible sleeve 60 is sleeved at the joint of the wire clamp seat 51 and the connecting piece 12, so that the joint of the wire clamp seat 51 and the connecting piece 12 can be effectively prevented from being frozen in a rainy season, and the anti-wave effect of the device is reduced.
Specifically, the flexible sleeve 60 has elasticity and can be tightly wrapped around the outside of the connection between the wire holder 51 and the connecting member 12.
As shown in fig. 1 and fig. 2, in a specific implementation manner of the device for preventing the conductor from waving for the overhead transmission line provided by the embodiment of the present invention, the damping and energy-absorbing assembly includes a housing, two connecting plates 71 and a spring 72, one side of each of the two connecting plates 71 is connected to one end of each of the two cores 11, and the other side of each of the two connecting plates is connected to both ends of the spring 72; the housing covers the two connecting plates 71 and the spring 72, and both ends of the housing are slidably connected to the two cores 11, respectively.
It should be understood that when the power transmission line waves, the power transmission line drives the two insulation main bodies to move together, the distance between the two insulation main bodies is suddenly and suddenly increased, and then the spring 72 is compressed or stretched, so that the kinetic energy of the insulation main bodies is absorbed, and the line waves are rapidly eliminated.
As shown in fig. 1 and fig. 2, in a specific implementation manner of the anti-galloping device for the overhead transmission line conductor provided by the embodiment of the present invention, the casing includes two half shells 73 and two wear-resistant sealing rings 74, the two half shells 73 are engaged with each other and are interconnected to clamp the core 11 between the two half shells 73, the two wear-resistant sealing rings 74 are respectively disposed at two ends of the half shells 73, and are connected with the half shells 73, and the wear-resistant sealing rings 74 are composed of two wear-resistant sealing half rings, which are respectively connected with the two half shells 73.
The two half shells 73 and the two wear-resistant sealing rings 74 cooperate to seal the two connecting plates 71 and the springs 72 inside the shell, so that the springs 72 are prevented from being frozen in a rainy season, and the shock absorption and energy absorption effects are further lost.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an overhead transmission line wire anti-galloping device which characterized in that includes:
the insulating assembly comprises two insulating main bodies and two voltage-sharing assemblies, wherein one ends of the two insulating main bodies are connected, and the other ends of the two insulating main bodies are respectively connected with the voltage-sharing assemblies;
the two wire clamping assemblies are respectively connected with two ends of the insulating assembly, and the voltage equalizing assembly is arranged between the wire clamping assemblies and the insulating main body; and
and the damping and energy-absorbing assembly is arranged between the two insulating main bodies, and two ends of the damping and energy-absorbing assembly are respectively connected with the two insulating main bodies so as to absorb energy generated when the insulating main bodies vibrate.
2. The overhead transmission line conductor anti-galloping device according to claim 1, wherein each of said insulating main bodies comprises a core (11), an insulating sleeve sleeved on said core (11), and a connecting member (12) connected to one end of said core (11), one end of said core (11) is connected to one end of said shock absorbing and energy absorbing assembly, the other end is connected to said connecting member (12), and said connecting member (12) is connected to two of said wire clamping assemblies.
3. The overhead transmission line conductor anti-galloping device of claim 2, wherein the insulating sleeve comprises a plurality of sheds (13) and a plurality of sheaths (14), the sheds (13) and the sheaths (14) are all sleeved on the core body (11), and the sheaths (14) are respectively clamped between the sheds (13).
4. The overhead transmission line wire anti-galloping device of claim 2, wherein the voltage-sharing assembly comprises a common voltage-sharing ring, the common voltage-sharing ring comprises a ring body (21), a connecting rod (22) and a pressing plate (23), the ring body (21) is sleeved on the core body (11), the connecting rod (22) is arranged on one side of the core body (11), two ends of the connecting rod are connected with the ring body (21), the pressing plate (23) is arranged on the other side of the core body (11), and the pressing plate is matched with the connecting rod (22) to tighten the core body (11).
5. The overhead transmission line conductor galloping prevention device of claim 2, wherein the grading component comprises a bird damage prevention grading ring, the bird damage prevention grading ring comprises two fan-shaped plates (30), the two fan-shaped plates (30) are respectively arranged on two sides of the core body (11) and are connected with each other to form an umbrella-shaped structural plate, and the core body (11) is fastened.
6. The overhead transmission line conductor galloping prevention device according to claim 2, wherein said voltage-sharing assembly comprises a weight-sharing ring, said weight-sharing ring comprises a gravity block (41) and two clamping plates (42), an avoidance hole is opened in the center of said gravity block (41), said core (11) passes through said avoidance hole, and said two clamping plates (42) are respectively disposed on both sides of said core (11) and connected to said gravity block (41) to tighten said core (11).
7. The overhead transmission line conductor anti-galloping device according to claim 2, wherein the wire clamping assembly comprises two wire clamp seats (51), a gland (52), a damping rubber pad (53), a fastening bolt and a fastening nut, wherein the gland (52) is connected with the wire clamp seats (51) to clamp the conductor; the wire clamp seat (51) is connected with the connecting piece (12), the damping rubber pad (53) is clamped between the wire clamp seat (51) and the gland (52), a wire is clamped in the damping rubber pad (53), and the fastening bolt sequentially penetrates through the wire clamp seat (51) and the gland (52) to be connected with the fastening nut.
8. The overhead transmission line conductor galloping prevention device according to claim 7, further comprising two flexible sleeves (60), wherein the wire clamp seats (51) are rotatably connected with the connecting piece (12), one end of each flexible sleeve (60) is hermetically connected with the connecting piece (12), and the other end of each flexible sleeve is hermetically connected with the wire clamp seat (51).
9. The overhead transmission line conductor galloping prevention device according to claim 8, wherein the shock absorption and energy absorption assembly comprises a shell, two connection plates (71) and a spring (72), one side of each of the two connection plates (71) is connected with one end of each of the two cores (11), and the other side of each of the two connection plates is connected with two ends of the spring (72); the shell covers the outer sides of the two connecting plates (71) and the springs (72), and two ends of the shell are respectively connected with the two core bodies (11) in a sliding mode.
10. The overhead transmission line conductor galloping prevention device according to claim 9, wherein said casing comprises two half-shells (73) and two wear-resistant sealing rings (74), said half-shells (73) being engaged and interconnected to sandwich said core (11) between said half-shells (73), said wear-resistant sealing rings (74) being provided at both ends of said half-shells (73) respectively to be connected to said half-shells (73), and said wear-resistant sealing rings (74) being composed of two wear-resistant sealing half-rings, respectively connected to said half-shells (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222348906.5U CN218386701U (en) | 2022-09-02 | 2022-09-02 | Conductor galloping prevention device for overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222348906.5U CN218386701U (en) | 2022-09-02 | 2022-09-02 | Conductor galloping prevention device for overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218386701U true CN218386701U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222348906.5U Active CN218386701U (en) | 2022-09-02 | 2022-09-02 | Conductor galloping prevention device for overhead transmission line |
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| Country | Link |
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| CN (1) | CN218386701U (en) |
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2022
- 2022-09-02 CN CN202222348906.5U patent/CN218386701U/en active Active
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