CN201323427Y - Structure capable of preventing aeolian vibration of conducting wires in overhead transmission line and anticorona damping clamp - Google Patents
Structure capable of preventing aeolian vibration of conducting wires in overhead transmission line and anticorona damping clamp Download PDFInfo
- Publication number
- CN201323427Y CN201323427Y CNU2008201246460U CN200820124646U CN201323427Y CN 201323427 Y CN201323427 Y CN 201323427Y CN U2008201246460 U CNU2008201246460 U CN U2008201246460U CN 200820124646 U CN200820124646 U CN 200820124646U CN 201323427 Y CN201323427 Y CN 201323427Y
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- wire
- damping
- clip body
- corona
- wire clamp
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Abstract
The utility model provides an anticorona damping clamp, which comprises a clamp body; a first semi-circular groove and a second semi-circular groove are formed at the upper and the lower ends respectively on the same side of the clamp body; the outer edges of the first semi-circular groove and the second semi-circular groove are arcs; an arc upper gland with a semi-circular groove is buckled with the first semi-circular groove so as to form a first holding hole for gripping damping wires; an arc lower gland with a semi-circular groove is buckled with the second semi-circular groove so as to form a second holding hole for gripping the damping wires; the first holding holes parallels to the second holding hole; the upper gland and the lower gland are buckled on the clamp body so as to form a strip-shaped clamp; the front and the rear end surfaces of the clamp are respectively perpendicular to the first holding hole; and the radius of the radian of the transitional connecting angle of the upper and the lower end surfaces and the front and the rear end surfaces is more than or equal to 20 mm. The anticorona damping clamp adopts a structure with a greater arch angle or a spherical appearance, thereby efficiently improving the corona onset voltage and the extinction voltage of the anti-vibration design.
Description
Technical field
The utility model relates in particular to a kind of anti-corona damping wire clamp relevant for a kind of lead wire damping wire clamp that is used for overhead transmission line.
Background technology
Overhead transmission line since lead hanging point height, span are big over the ground, aeolian vibration is very serious, and problems such as the damaged and fatigue fracture of lead may take place, and for this reason, need implement vibration protection on transmission line, with the aeolian vibration of inhibition aerial condutor.
In the big leap vibrationproof scheme of the superhigh pressure of China, UHV transmission line, adopt the vibration protection of β damping wire and stockbridge damper associating vibrationproof more.The vibrationproof scheme of installing through verification experimental verification can effectively consume vibrational energy, reaches the purpose of vibrationproof.In this vibration protection, need to use the damping wire clamp that damping wire is installed, shown in Figure 11 A, Figure 11 B, these damping wire clamp 9 two ends respectively are provided with a grip part 91 respectively, it is end gripping damping wire in use, the other end grips lead, the transition joint angle radian of existing damping wire clamp 9 its upper and lower end faces 92,93 and front and rear end 94,95 is less, and its radius of the radian R ' therefore can't reach anti-corona effect smaller or equal to 5mm usually; When the working voltage of transmission line was lower than 50kV, this traditional damping wire clamp 9 can satisfy the requirement of engineering.But when electric pressure was elevated to ultra high voltage, traditional damping wire clamp 9 can not adapt to the requirement of new electromagnetic environment, and its corona and radio interference level all can not reach the relevant environmental requirement of China.
The utility model content
The purpose of this utility model is to provide a kind of anti-corona damping wire clamp, and this wire clamp can reach anti-corona effect in vibrationproof, to overcome the defective of existing structure.
The purpose of this utility model is to provide a kind of structure that prevents lead aeolian vibration in the overhead transmission line, when guaranteeing that the damping wire clamp is to lead and the effectively stable gripping of damping wire, effectively improve discharge inception voltage, the extinction voltage of vibrationproof scheme, to satisfy the requirement that the UHV TRANSMISSION LINES IN CHINA engineering is used.
The purpose of this utility model is to realize like this, a kind of anti-corona damping wire clamp, this wire clamp comprises a wire clip body that vertically is provided with, and the two ends up and down of this wire clip body the same side are respectively equipped with one first half slot and second half slot, and the outer rim of this first half slot and second half slot is a circular arc; The one circular arc upper press cover and first half slot that is provided with half slot fastens first clamping hole that is provided with and forms the gripping lead, and a circular arc lower cover and second half slot fastening that is provided with half slot is provided with and forms second clamping hole that grips damping wire; Described first clamping hole is parallel with second clamping hole, described upper press cover and lower cover are fastened on wire clip body and form a bar shaped wire clamp, the front and rear end of described wire clamp is vertical with first clamping hole respectively, and the transition joint angle radius of the radian of upper and lower end face of described wire clamp and front and rear end is more than or equal to 20mm.
In a better embodiment of the present utility model, described upper press cover one end and wire clip body articulate, and the other end is connected in wire clip body by bolting element.
In a better embodiment of the present utility model, described lower cover one end and wire clip body articulate, and the other end is connected in wire clip body by bolting element.
In a better embodiment of the present utility model, described bolting element is snap bolt and cover type nut.
A kind of anti-corona damping wire clamp, this wire clamp comprises a horizontally disposed wire clip body, and this wire clip body upper side is provided with one first half slot, and the wire clip body downside is provided with one second half slot, and outer edge surface is a sphere around this wire clip body; One upper press cover and first half slot that is provided with half slot fastens first clamping hole that is provided with and forms the gripping lead, and a lower cover and second half slot fastening that is provided with half slot is provided with and forms second clamping hole that grips damping wire; Described first clamping hole is parallel with second clamping hole, the outer surface of described upper press cover and lower cover is the sphere with the sphere same radius of described wire clip body, described upper press cover and lower cover are fastened on wire clip body and form a spherical wire clamp, and the radius of curvature of described sphere is more than or equal to 20mm.
In a better embodiment of the present utility model, the radius of curvature of described sphere is between 60mm～65mm.
A kind of structure that prevents lead aeolian vibration in the overhead transmission line, this structure comprise sub-conductor, a damping wire and a plurality of anti-corona damping wire clamp of bundle conductor; The both ends of described damping wire are provided with a spherical wire clamp as claimed in claim 5 respectively, and the middle part of described damping wire is provided with a plurality of bar shaped wire clamps as claimed in claim 1 respectively; First clamping hole of described anti-corona damping wire clamp grips the sub-conductor of bundle conductor, and second clamping hole of described anti-corona damping wire clamp grips damping wire.
From the above mentioned, anti-corona damping wire of the present utility model is clipped in assurance and lead and damping wire is gripped effectively stable big when crossing over the transmission line vibrationproof to satisfy, because the part that protrudes in lead of this wire clamp adopts the bigger arc chord angle or the structure of spherical design, discharge inception voltage, the extinction voltage of vibrationproof scheme have effectively been improved, can reach the requirement that the UHV TRANSMISSION LINES IN CHINA engineering is used, make the corona and the radio interference of wire clamp reach related request, filled up the blank of domestic Related product.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1: be the structural representation of the anti-corona damping wire clamp of bar shaped in the utility model.
Fig. 2: be the schematic side view of Fig. 1.
Fig. 3 A: be the anti-corona damping wire clamp of bar shaped center line folder main body structure schematic diagram.
Fig. 3 B: be the schematic side view of Fig. 3 A.
Fig. 4 A: be the structural representation of upper press cover in the anti-corona damping wire clamp of bar shaped.
Fig. 4 B: be the schematic side view of Fig. 4 A.
Fig. 4 C: be the structural representation of lower cover in the anti-corona damping wire clamp of bar shaped.
Fig. 4 D: be the schematic side view of Fig. 4 C.
Fig. 5: be the structural representation of spherical anti-corona damping wire clamp in the utility model.
Fig. 6: be the schematic side view of Fig. 5.
Fig. 7 A: be the structural representation of upper press cover in the anti-corona damping wire clamp of sphere.
Fig. 7 B: be the schematic top plan view of Fig. 7 A.
Fig. 7 C: be the schematic side view of Fig. 7 A.
Fig. 8 A: be the anti-corona damping wire clamp of sphere center line folder main body structure schematic diagram.
Fig. 8 B: be the schematic top plan view of Fig. 8 A.
Fig. 8 C: be the schematic side view of Fig. 8 A.
Fig. 9 A: be the structural representation of lower cover in the anti-corona damping wire clamp of sphere.
Fig. 9 B: be the schematic top plan view of Fig. 9 A.
Fig. 9 C: be the schematic side view of Fig. 9 A.
Figure 10: for preventing the structural representation of lead aeolian vibration in the overhead transmission line.
Figure 11 A: be the structural representation of existing damping wire clamp.
Figure 11 B: be the schematic side view of Figure 11 A.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
As shown in Figure 1 and Figure 2, the anti-corona damping wire clamp 1 of a kind of bar shaped, this wire clamp 1 comprises a wire clip body 11 that vertically is provided with, the upper/lower terminal of these wire clip body 11 the same sides is respectively equipped with one first half slot 111 and second half slot 112 (shown in Fig. 3 A, Fig. 3 B), and the outer rim of this first half slot 111 and second half slot 112 is a circular arc; (shown in Fig. 4 A～Fig. 4 D) one is provided with the circular arc upper press cover 12 of half slot 121 and first clamping hole 14, of 111 fastening settings of first half slot and formation gripping lead is provided with the circular arc lower cover 13 of half slot 131 and second clamping hole 15 that second half slot 112 fastens setting and formation gripping damping wire; Described first clamping hole 14 is parallel with second clamping hole 15, described upper press cover 12 and lower cover 13 are fastened on wire clip body 11 and form this bar shaped wire clamp 1, the front and rear end 16,17 of described bar shaped wire clamp 1 is vertical with first clamping hole 14 respectively, and the transition joint angle radius of the radian R of described wire clamp 1 upper and lower end face 18,19 and front and rear end 16,17 is more than or equal to 20mm.
From the above mentioned, the anti-corona damping wire clamp 1 of bar shaped of the present utility model is effectively stable with when satisfying leap transmission line vibrationproof greatly to lead and damping wire gripping in assurance, because the part that protrudes in lead of this wire clamp 1 has bigger arc chord angle (radius of the radian R is more than or equal to 20mm), discharge inception voltage, the extinction voltage of vibrationproof scheme have effectively been improved, can reach the requirement that the UHV TRANSMISSION LINES IN CHINA engineering is used, make the corona and the radio interference of wire clamp 1 reach related request, filled up the blank of domestic Related product.
In the present embodiment, the size minimum of described transition joint angle radius of the radian R is 20mm, the thickness of this wire clamp (that is: the distance minimum between the front and rear end 16,17 is 40mm); The big I of this transition joint angle radius of the radian R is made adjustment according to the physical dimension of the lead of the physical dimension of described wire clamp and gripping.
Further, as shown in Figure 1, described upper press cover 12 1 ends and wire clip body 11 articulate, and the other end is connected in wire clip body 11 by bolting element 113, to guarantee effective gripping of 1 pair of lead of this wire clamp; Also for articulating, the other end also is connected in wire clip body 11 by bolting element 113, to guarantee effective gripping of 1 pair of damping wire of wire clamp for described lower cover 13 1 ends and wire clip body 11.
In the present embodiment, described bolting element 113 is snap bolt and cover type nut (both are existing element), to reach good anti-corona effect.
Structure and the principle of present embodiment and embodiment 1 are basic identical, its difference is as Fig. 5, shown in Figure 6, the anti-corona damping wire clamp 2 of a kind of sphere, this wire clamp 2 comprises a horizontally disposed wire clip body 21, shown in Fig. 8 A～Fig. 8 C, these wire clip body 21 upper sides are provided with one first half slot 211, and wire clip body 21 downsides are provided with one second half slot 212, and outer edge surface is a sphere around this wire clip body 21; Shown in Fig. 7 A～Fig. 7 C, a upper press cover 22 and first half slot 211 that is provided with half slot 221 fastens first clamping hole 24 that is provided with and forms the gripping lead; Shown in Fig. 9 A～Fig. 9 C, a lower cover 23 and second half slot 212 that is provided with half slot 231 fastens second clamping hole 25 that is provided with and forms the gripping damping wire; Described first clamping hole 24 is parallel with second clamping hole 25, the outer surface of described upper press cover 22 and lower cover 23 is the sphere with the sphere same radius of described wire clip body 21, described upper press cover 22 and lower cover 23 are fastened on wire clip body 21 and form this sphere wire clamp 2, and the radius of curvature SR of described sphere is more than or equal to 20mm.
From the above mentioned, the spherical anti-corona damping wire clamp 2 of present embodiment has adopted the structure of spherical design, can effectively improve discharge inception voltage, the extinction voltage of vibrationproof scheme, especially when the anti-corona damping wire clamp 2 of described sphere is arranged on the both ends of damping wire, can effectively shield the damping wire termination, prevent point discharge, to reach instructions for use, therefore, the anti-corona damping wire clamp 2 of this sphere can reach the requirement that the UHV TRANSMISSION LINES IN CHINA engineering is used.
The physical dimension of the spherical anti-corona damping wire clamp 2 of the utility model can be according to concrete installation situation and processing and manufacturing.In the present embodiment, sphere curvature radius SR the best of the anti-corona damping wire clamp 2 of described sphere is between 60mm～65mm; The concrete structure size of the anti-corona damping wire clamp 2 of this sphere can be made adjustment according to the size of the lead of its gripping.
Further, as Fig. 5, shown in Figure 6, described upper press cover 22 1 ends and wire clip body 21 articulate, and the other end is connected in wire clip body 21 by bolting element 213, to guarantee effective gripping of 2 pairs of leads of this wire clamp; Also for articulating, the other end also is connected in wire clip body 21 by bolting element 213, to guarantee effective gripping of 2 pairs of damping wires of wire clamp for described lower cover 23 1 ends and wire clip body 21.
In the present embodiment, described bolting element 213 is snap bolt and cover type nut (both are existing element), to reach good anti-corona effect.
Other structures, operation principle and the beneficial effect of present embodiment is identical with embodiment's 1, does not repeat them here.
As shown in figure 10, the utility model provides a kind of structure that prevents lead aeolian vibration in the overhead transmission line, and this structure comprises sub-conductor 3, a damping wire 4 and a plurality of anti-corona damping wire clamp of bundle conductor; The both ends of described damping wire 4 are provided with an anti-corona damping wire clamp 2 of sphere respectively, and the middle part of described damping wire 4 is provided with the anti-corona damping wire clamp 1 of a plurality of bar shapeds respectively; First clamping hole of anti-corona damping wire clamp 2 of described sphere and the anti-corona damping wire clamp 1 of bar shaped grips the sub-conductor 3 of bundle conductor respectively, and second clamping hole of anti-corona damping wire clamp 2 of described sphere and the anti-corona damping wire clamp 1 of bar shaped grips damping wire 4 respectively.
From the above mentioned, the structure that prevents lead aeolian vibration in the overhead transmission line of the present utility model, can guarantee that described anti-corona damping wire clamp antithetical phrase lead 3 and damping wire 4 effectively stably grip, simultaneously, because described anti-corona damping wire clamp has adopted the structure of orthodrome chamfering or spherical design, therefore, can effectively improve discharge inception voltage, the extinction voltage of vibrationproof scheme, to satisfy the requirement that the UHV TRANSMISSION LINES IN CHINA engineering is used; Particularly, when the anti-corona damping wire clamp 2 of described sphere is arranged on the both ends of damping wire 4, can effectively shield the termination of damping wire 4, prevent point discharge, to reach instructions for use.
In the present embodiment, the concrete parameter of all anti-corona damping wire clamp installations (for example: parameters such as the X among Figure 10, Y, Z), will determine according to the concrete condition of actual engineering.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1, a kind of anti-corona damping wire clamp, it is characterized in that: this wire clamp comprises a wire clip body that vertically is provided with, the two ends up and down of this wire clip body the same side are respectively equipped with one first half slot and second half slot, and the outer rim of this first half slot and second half slot is a circular arc; The one circular arc upper press cover and first half slot that is provided with half slot fastens first clamping hole that is provided with and forms the gripping lead, and a circular arc lower cover and second half slot fastening that is provided with half slot is provided with and forms second clamping hole that grips damping wire; Described first clamping hole is parallel with second clamping hole, described upper press cover and lower cover are fastened on wire clip body and form a bar shaped wire clamp, the front and rear end of described wire clamp is vertical with first clamping hole respectively, and the transition joint angle radius of the radian of upper and lower end face of described wire clamp and front and rear end is more than or equal to 20mm.
2, anti-corona damping wire clamp as claimed in claim 1 is characterized in that: described upper press cover one end and wire clip body articulate, and the other end is connected in wire clip body by bolting element.
3, anti-corona damping wire clamp as claimed in claim 1 is characterized in that: described lower cover one end and wire clip body articulate, and the other end is connected in wire clip body by bolting element.
4, as claim 2 or 3 described anti-corona damping wire clamps, it is characterized in that: described bolting element is snap bolt and cover type nut.
5, a kind of anti-corona damping wire clamp, it is characterized in that: this wire clamp comprises a horizontally disposed wire clip body, and this wire clip body upper side is provided with one first half slot, and the wire clip body downside is provided with one second half slot, and outer edge surface is a sphere around this wire clip body; One upper press cover and first half slot that is provided with half slot fastens first clamping hole that is provided with and forms the gripping lead, and a lower cover and second half slot fastening that is provided with half slot is provided with and forms second clamping hole that grips damping wire; Described first clamping hole is parallel with second clamping hole, the outer surface of described upper press cover and lower cover is the sphere with the sphere same radius of described wire clip body, described upper press cover and lower cover are fastened on wire clip body and form a spherical wire clamp, and the radius of curvature of described sphere is more than or equal to 20mm.
6, anti-corona damping wire clamp as claimed in claim 5, it is characterized in that: the radius of curvature of described sphere is between 60mm～65mm.
7, anti-corona damping wire clamp as claimed in claim 5 is characterized in that: described upper press cover one end and wire clip body articulate, and the other end is connected in wire clip body by bolting element.
8, anti-corona damping wire clamp as claimed in claim 5 is characterized in that: described lower cover one end and wire clip body articulate, and the other end is connected in wire clip body by bolting element.
9, as claim 7 or 8 described anti-corona damping wire clamps, it is characterized in that: described bolting element is snap bolt and cover type nut.
10, a kind of structure that prevents lead aeolian vibration in the overhead transmission line is characterized in that: this structure comprises sub-conductor, a damping wire and a plurality of anti-corona damping wire clamp of bundle conductor; The both ends of described damping wire are provided with a spherical wire clamp as claimed in claim 5 respectively, and the middle part of described damping wire is provided with a plurality of bar shaped wire clamps as claimed in claim 1 respectively; First clamping hole of described anti-corona damping wire clamp grips the sub-conductor of bundle conductor, and second clamping hole of described anti-corona damping wire clamp grips damping wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201246460U CN201323427Y (en) | 2008-12-16 | 2008-12-16 | Structure capable of preventing aeolian vibration of conducting wires in overhead transmission line and anticorona damping clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201246460U CN201323427Y (en) | 2008-12-16 | 2008-12-16 | Structure capable of preventing aeolian vibration of conducting wires in overhead transmission line and anticorona damping clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323427Y true CN201323427Y (en) | 2009-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201246460U Expired - Lifetime CN201323427Y (en) | 2008-12-16 | 2008-12-16 | Structure capable of preventing aeolian vibration of conducting wires in overhead transmission line and anticorona damping clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323427Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227447A (en) * | 2013-05-13 | 2013-07-31 | 国家电网公司 | Method for preventing damping wire of ground wire of transmission line from breaking |
| WO2016086694A1 (en) * | 2014-12-04 | 2016-06-09 | 国家电网公司 | Musical scale type damping wire |
| CN111342410A (en) * | 2020-03-06 | 2020-06-26 | 江东金具设备有限公司 | Solid die forging aluminum alloy anti-loosening damping wire clamp |
| CN111682487A (en) * | 2020-06-02 | 2020-09-18 | 安徽省含山县兴建铸造厂 | Vibration damper with convenient replacement structure and machining process thereof |
-
2008
- 2008-12-16 CN CNU2008201246460U patent/CN201323427Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227447A (en) * | 2013-05-13 | 2013-07-31 | 国家电网公司 | Method for preventing damping wire of ground wire of transmission line from breaking |
| WO2016086694A1 (en) * | 2014-12-04 | 2016-06-09 | 国家电网公司 | Musical scale type damping wire |
| CN111342410A (en) * | 2020-03-06 | 2020-06-26 | 江东金具设备有限公司 | Solid die forging aluminum alloy anti-loosening damping wire clamp |
| CN111682487A (en) * | 2020-06-02 | 2020-09-18 | 安徽省含山县兴建铸造厂 | Vibration damper with convenient replacement structure and machining process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091007 |