CN106856317B - The inclined abrasion-proof apparatus of power transmission line wind - Google Patents
The inclined abrasion-proof apparatus of power transmission line wind Download PDFInfo
- Publication number
- CN106856317B CN106856317B CN201710170788.4A CN201710170788A CN106856317B CN 106856317 B CN106856317 B CN 106856317B CN 201710170788 A CN201710170788 A CN 201710170788A CN 106856317 B CN106856317 B CN 106856317B
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- China
- Prior art keywords
- power transmission
- transmission line
- wind
- sheath body
- suspension clamp
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 89
- 239000000725 suspension Substances 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 239000004411 aluminium Substances 0.000 claims abstract description 31
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 19
- 239000010931 gold Substances 0.000 claims description 19
- 229910052737 gold Inorganic materials 0.000 claims description 19
- 239000012212 insulator Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000010355 oscillation Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000405070 Percophidae Species 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to power transmission and transformation line protection technique fields, it is a kind of inclined abrasion-proof apparatus of power transmission line wind, including steel tower cross-arm, power transmission line, cast aluminium sheath body and two sets of wind-deviation protection mechanisms, cast aluminium sheath body is fixedly mounted on power transmission line, the upper end of cast aluminium sheath body is connected with the first hanging plate from the bottom to top, link and the second hanging plate, the upper end vertical hanging of second hanging plate is hinged on steel tower cross-arm, suspension clamp is fixedly installed on the transmission line of electricity of cast aluminium sheath body two sides, the lower end of wind-deviation protection mechanism is fixedly connected on suspension clamp, there is angle in wind-deviation mechanism with power transmission line in the longitudinal direction, the upper end suspension of wind-deviation mechanism is hinged on steel tower cross-arm.Structure of the invention is reasonable and compact; made under high wind by installing wind-deviation protection mechanism; power transmission line suspension clamp is in relative securement state; limit the amplitude of the windage yaw amplitude of oscillation at this; it avoids the U-shaped hanging plate of power transmission line and hits cross-arm tower material, effectively prevent the mutual abrasion of fitting and power transmission line abrasion is stranded.
Description
Technical field
The present invention relates to power transmission and transformation line protection technique fields, are a kind of inclined abrasion-proof apparatus of power transmission line wind.
Background technique
Disastrous gale threatens always the safe operation of grid power transmission route, because of power transmission line caused by high wind and sandstorm
It falls the accidents such as shaft tower, broken string, windage yaw, the de- string of insulator and fitting fracture and happens occasionally in road.Especially in strong wind area, power transmission and transforming equipment
Electric armour clamp under the action of the wind, is often connected thereto part and its neighbouring material collides abrasion, easily lead to electric power gold for a long time
Has wear and rupture.Currently, line-outage contingency caused by a lot of strong wind area transmission lines of electricity are worn due to fitting has occurred for power grid, cause
Serious economic loss, and endanger the safe operation of power grid.Strong wind leads to lightning conducter, optical cable hardware and leans against backing repeatedly
Caused by friction, the wind section route 80% is accounted for, electric power netting safe running is seriously threatened.
Summary of the invention
The present invention provides a kind of inclined abrasion-proof apparatus of power transmission line wind, overcome the defects of the prior art,
Existing power transmission line be can effectively solve under high wind effect, U-shaped hanging plate hits tower material and power transmission line windage yaw hits steel tower cross-arm and leads
The abrasion of power transmission line fitting and power transmission line is caused to wear stranded problem.
The technical scheme is that realized by following measures: a kind of inclined abrasion-proof apparatus of power transmission line wind,
Including steel tower cross-arm, power transmission line, cast aluminium sheath body and two sets of wind-deviation protection mechanisms, the cast aluminium sheath body is fixedly mounted on power transmission line
On, the upper end of the cast aluminium sheath body is connected with the first hanging plate, the first U-shaped ring, right-angle hanging ring and the second hanging plate from the bottom to top, and second
The upper end vertical hanging of hanging plate is hinged on steel tower cross-arm, is fixedly installed with catenary on the power transmission line of cast aluminium sheath body two sides
Folder, the lower end of the wind-deviation protection mechanism is fixedly connected on suspension clamp, wind-deviation mechanism in the longitudinal direction with transmission of electricity
Line has angle, and the upper end suspension of wind-deviation mechanism is hinged on steel tower cross-arm.
Here is the further optimization and/or improvements to invention technology described above scheme:
Wind-deviation protection mechanism described above includes insulator and connection gold utensil, the connection gold utensil include ball-eye,
Second U-shaped ring and bolt, the lower end bulb position of the insulator are hinged on the upper end of suspension clamp, insulator upper end socket portion
Position is hinged on ball-eye lower end, and ball-eye upper end and the second U-shaped ring lower end are hitched together, and the second U-shaped ring upper end passes through
Bolt is fixed on steel tower cross-arm.
Wind-deviation protection mechanism described above further includes trunnion hanging panel and connection gold utensil, connection gold utensil include the U-shaped ring of third,
4th U-shaped ring and bolt are sequentially hinged with the U-shaped ring of third, trunnion hanging panel and the 4th U-shaped ring, the 4th U in the upper end of suspension clamp
The upper end of type ring is bolted on steel tower cross-arm.
The above-mentioned inside in cast aluminium sheath body and suspension clamp is lined with cushion rubber bumper, and the cushion rubber bumper is rubber folder
Block.
Suspension clamp described above is pre- hinge formula suspension clamp；Or/and with the suspension clamp and cast aluminium sheath body installation position
It sets and is enclosed with pre- hinge silk on the outside of corresponding power transmission line.
Power transmission line described above is conducting wire or lightning conducter.
Structure of the invention is reasonable and compact, easy to use, passes through wind-deviation protection mechanism for power transmission line and steel tower cross-arm
It links together, a set of wind-deviation protective device is respectively housed on power transmission line suspension clamp, V-type connection type is constituted, so that by force
Power transmission line suspension clamp limits the amplitude of the windage yaw amplitude of oscillation at this, it is U-shaped to avoid power transmission line everywhere in relatively fixed state under wind
Hanging plate hits cross-arm tower material and power transmission line windage yaw and hits steel tower cross-arm tower material, avoid fitting abrasion worn with power transmission line it is stranded
Occur, while the present invention only limits the wind swing amplitude at power transmission line suspension clamp, does not limit the windage yaw of power transmission line in span,
So that kinetic energy is released, the drawbacks of stress concentrates on tower body is avoided.
Detailed description of the invention
Attached drawing 1 is the main view connection schematic diagram of preferred embodiment.
Attached drawing 2 is the side view connection schematic diagram of attached drawing 1 of the present invention.
Attached drawing 3 is the side view connection schematic diagram of wind-deviation protection mechanism of the invention when being trunnion hanging panel and connection gold utensil.
Coding in attached drawing is respectively as follows: 1 for power transmission line, and 2 be cast aluminium sheath body, and 3 be the first hanging plate, and 4 be the first U-shaped ring, and 5 are
Second hanging plate, 6 be suspension clamp, and 7 be insulator, and 8 be ball-eye, and 9 be the second U-shaped ring, and 10 be bolt, and 11 hang for trunnion
Plate, 12 be the U-shaped ring of third, and 13 be the 4th U-shaped ring, and 14 be rubber fixture block, and 15 be pre- hinge silk, and 16 be right-angle hanging ring.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1
Butut mode be described, such as: front, rear, top, and bottom, left and right positional relationship be the Butut according to Figure of description
Direction determines.
Below with reference to examples and drawings, the invention will be further described:
As shown in attached drawing 1,2,3, the inclined abrasion-proof apparatus of the power transmission line wind includes steel tower cross-arm, power transmission line 1, cast aluminium set
Shell 2 and two sets of wind-deviation protection mechanisms, the cast aluminium sheath body 2 are fixedly mounted on power transmission line 1, the upper end of the cast aluminium sheath body 2
It is vertical that it is connected with the first hanging plate 3, the first U-shaped ring 4, right-angle hanging ring 16 and the second hanging plate 5, the upper end of the second hanging plate 5 from the bottom to top
Suspension is hinged on steel tower cross-arm, and suspension clamp 6, the wind-deviation are fixedly installed on the power transmission line 1 of 2 two sides of cast aluminium sheath body
The lower end of protection mechanism is fixedly connected on suspension clamp 6, and there is angle in wind-deviation mechanism with power transmission line 1 in the longitudinal direction, is prevented
The upper end suspension of windage yaw mechanism is hinged on steel tower cross-arm.
In actual use, the first U-shaped ring 4 is hitched together with right-angle hanging ring 16.Here the first hanging plate is PD type hanging plate, the
Two hanging plates are U-shaped hanging plate, need to choose corresponding model according to work on the spot situation and be installed.Structure of the invention is reasonable and tight
It gathers, it is easy to use, power transmission line 1 and steel tower cross-arm are linked together by wind-deviation protection mechanism, it is each on suspension clamp 6
Equipped with a set of wind-deviation protection mechanism, V-type connection type is constituted, so that the suspension clamp 6 of power transmission line 1 is in opposite under high wind
Stationary state limits the amplitude of the windage yaw amplitude of oscillation at this, and the U-shaped hanging plate avoided on power transmission line 1 hits cross-arm tower material and transmission of electricity
Steel tower cross-arm tower material is hit in the case of 1 windage yaw of line, is avoided fitting abrasion with power transmission line 1 and is worn stranded generation, while this hair
The bright wind swing amplitude limited on power transmission line 1 at suspension clamp 6, does not limit the windage yaw of power transmission line 1 in span, so that pneumatic
It can be released, avoid the drawbacks of stress concentrates on tower body.
The inclined abrasion-proof apparatus of above-mentioned power transmission line wind can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2, the wind-deviation protection mechanism includes insulator 7 and connection gold utensil, the connection gold utensil packet
Ball-eye 8, the second U-shaped ring 9 and bolt 10 are included, the lower end bulb position of the insulator 7 is hinged on the upper of suspension clamp 6
End, 7 upper end ball-and-socket position of insulator are hinged on 8 lower end of ball-eye, and 8 upper end of ball-eye is connect with the second U-shaped 9 lower end of ring,
Second U-shaped 9 upper end of ring is fixed on steel tower cross-arm by bolt 10.In real work, this wind-deviation protection mechanism is mainly fitted
For power transmission line 1 away from steel tower cross-arm farther out when use because the length of insulator 7 is relatively long, facilitate staff should
The suspension of wind-deviation protection mechanism is connected on tower material.Various connection gold utensils, 7 stress intensity of insulator should be not less than 70kN.Work
In, when strong wind along blow to power transmission line 1 shown in attached drawing 2 when, due to suspension clamp 6, insulator 7 and connection gold utensil composition rigidity connect
It connects, insulator 7 and its fitting restrain power transmission line 1 along wind direction windage yaw, ensure that the U-shaped hanging plate of 1 hitch point of power transmission line is not blown
Xiang Tacai effectively avoids the occurrence of the case where power transmission line 1, suspension fitting, U-shaped hanging plate are worn.
Here the lower end bulb position of insulator 7 is connected to the upper end of suspension clamp 6 by bolt 10, all with opening
The bolt pin of pin must be bypassed, and opening angle is greater than 60 °.It connects bolt 10 and uses national standard, intensity is not less than 6.8 grades, bolt
10 length are chosen according to 6 model of suspension clamp.Here the bolt 10 being used cooperatively with connection gold utensil is band Pin hole bolt, and with
Fitting, which must not match, to be lengthened.
As shown in attached drawing 1,3, the wind-deviation protection mechanism further includes trunnion hanging panel 11 and connection gold utensil, connection gold utensil packet
The U-shaped ring 12 of third, the 4th U-shaped ring 13 and bolt 10 are included, is sequentially hinged with the U-shaped ring 12 of third, trunnion in the upper end of suspension clamp 6
The upper end of hanging plate 11 and the 4th U-shaped ring 13, the 4th U-shaped ring 13 is fixed on steel tower cross-arm by bolt 10.In real work, this
Kind wind-deviation protection mechanism is primarily adapted for use in the use when power transmission line 1 is closer away from steel tower cross-arm, because of the length of trunnion hanging panel 11
It is relatively short, facilitate staff will be in wind-deviation protection mechanism suspension connection on hand tower material.Various connection gold utensils, trunnion
The stress intensity of hanging plate 11 should be not less than 70kN.At work, when strong wind blows to power transmission line 1, due to suspension clamp 6, trunnion
The U-shaped ring 12 of hanging plate 11, third, the 4th U-shaped composition of ring 13 rigid connection, trunnion hanging panel 11 and connection gold utensil restrain power transmission line 1
Along wind direction windage yaw, it ensure that the U-shaped hanging plate 4 of 1 hitch point of power transmission line is not blown to tower material, so that the fitting that power transmission line 1 is hung is
The U-shaped hanging plate is not worn.As needed, the material of this trunnion hanging panel 11 presses " common carbon structural steel technical conditions ",
372.5N/mm is not less than using tensile strength2The steel making of (372.5MPa).
As shown in attached drawing 1,2,3, cushion rubber bumper, the buffering are lined in the inside of cast aluminium sheath body 2 and suspension clamp 6
Rubber mat is rubber fixture block 14.Here buffering is played the role of using rubber fixture block 14, suspension clamp 6 is not easy under the action of the forces of the wind
Power transmission line 1 is caused to damage, power transmission line 1 is avoided the occurrence of and wears stranded situation.
As shown in attached drawing 1,2,3, the suspension clamp 6 is pre- hinge formula suspension clamp；Or/and with the suspension clamp 6 and
Corresponding 1 outside of power transmission line of 2 installation site of cast aluminium sheath body is enclosed with pre- hinge silk 15.In actual use, in 1 outside of power transmission line
Package preformed armor rods 15 should determine the classification using material, the good aluminum-alloy wire of Ying Caiyong rotproofness, aluminium packet according to stress
The materials such as steel wire, aluminium plated steel wire, zinc-coated wire: the tensile strength using aluminum-alloy wire is 340N/mm2, the tension of aluminum cald steel wire
Intensity is 1300N/mm2, aluminium plated steel wire, zinc-coated wire tensile strength be 1370N/mm2To 1470N/mm2.As needed, in advance
Cone or semicircle should be made in the end of hank knotting 15；When requiring not generate corona, end should be processed into duckbill.
As shown in attached drawing 1,2,3, the power transmission line 1 is conducting wire or lightning conducter.
The above technical characteristic constitutes highly preferred embodiment of the present invention, with stronger adaptability and best implementation effect
Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (9)
1. a kind of inclined abrasion-proof apparatus of power transmission line wind, it is characterised in that including steel tower cross-arm, power transmission line, cast aluminium sheath body and two
Wind-deviation protection mechanism is covered, the cast aluminium sheath body is fixedly mounted on power transmission line, and the upper end of the cast aluminium sheath body connects from the bottom to top
It is connected to the first hanging plate, the first U-shaped ring, right-angle hanging ring and the second hanging plate, the upper end vertical hanging of the second hanging plate is hinged on steel tower cross
In load, suspension clamp is fixedly installed on the power transmission line of cast aluminium sheath body two sides, the lower end of the wind-deviation protection mechanism is fixed
It is connected on suspension clamp, there is angle in wind-deviation mechanism with power transmission line in the longitudinal direction, and the upper end of wind-deviation mechanism hangs hinge
It connects on steel tower cross-arm, the wind-deviation protection mechanism includes insulator and connection gold utensil, and the connection gold utensil includes that bulb is hung
Ring, the second U-shaped ring and bolt, the lower end bulb position of the insulator are hinged on the upper end of suspension clamp, insulator upper end ball
Nest position is hinged on ball-eye lower end, and ball-eye upper end and the second U-shaped ring lower end are hitched together, the second U-shaped ring upper end
It is bolted on steel tower cross-arm.
2. a kind of inclined abrasion-proof apparatus of power transmission line wind, it is characterised in that including steel tower cross-arm, power transmission line, cast aluminium sheath body and two
Wind-deviation protection mechanism is covered, the cast aluminium sheath body is fixedly mounted on power transmission line, and the upper end of the cast aluminium sheath body connects from the bottom to top
It is connected to the first hanging plate, the first U-shaped ring, right-angle hanging ring and the second hanging plate, the upper end vertical hanging of the second hanging plate is hinged on steel tower cross
In load, suspension clamp is fixedly installed on the power transmission line of cast aluminium sheath body two sides, the lower end of the wind-deviation protection mechanism is fixed
It is connected on suspension clamp, there is angle in wind-deviation mechanism with power transmission line in the longitudinal direction, and the upper end of wind-deviation mechanism hangs hinge
It connects on steel tower cross-arm, the wind-deviation protection mechanism further includes trunnion hanging panel and connection gold utensil, and connection gold utensil includes that third is U-shaped
Ring, the 4th U-shaped ring and bolt are sequentially hinged with the U-shaped ring of third, trunnion hanging panel and the 4th U-shaped ring in the upper end of suspension clamp, the
The upper end of four U-shaped rings is bolted on steel tower cross-arm.
3. the inclined abrasion-proof apparatus of power transmission line wind according to claim 1 or 2, it is characterised in that cast aluminium sheath body and pendency
The inside of wire clamp is lined with cushion rubber bumper, and the cushion rubber bumper is rubber fixture block.
4. the inclined abrasion-proof apparatus of power transmission line wind according to claim 1 or 2, it is characterised in that the suspension clamp is
Pre- hinge formula suspension clamp；Or/and it is wrapped up on the outside of power transmission line corresponding with the suspension clamp and cast aluminium sheath body installation site
There is pre- hinge silk.
5. the inclined abrasion-proof apparatus of power transmission line wind according to claim 3, it is characterised in that the suspension clamp is pre-
Hinge formula suspension clamp；Or/and it is enclosed on the outside of power transmission line corresponding with the suspension clamp and cast aluminium sheath body installation site
Pre- hinge silk.
6. the inclined abrasion-proof apparatus of power transmission line wind according to claim 1 or 2, it is characterised in that the power transmission line is to lead
Line or lightning conducter.
7. the inclined abrasion-proof apparatus of power transmission line wind according to claim 3, it is characterised in that the power transmission line is conducting wire
Or lightning conducter.
8. the inclined abrasion-proof apparatus of power transmission line wind according to claim 4, it is characterised in that the power transmission line is conducting wire
Or lightning conducter.
9. the inclined abrasion-proof apparatus of power transmission line wind according to claim 5, it is characterised in that the power transmission line is conducting wire
Or lightning conducter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170788.4A CN106856317B (en) | 2017-03-21 | 2017-03-21 | The inclined abrasion-proof apparatus of power transmission line wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170788.4A CN106856317B (en) | 2017-03-21 | 2017-03-21 | The inclined abrasion-proof apparatus of power transmission line wind |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106856317A CN106856317A (en) | 2017-06-16 |
| CN106856317B true CN106856317B (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710170788.4A Active CN106856317B (en) | 2017-03-21 | 2017-03-21 | The inclined abrasion-proof apparatus of power transmission line wind |
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| CN (1) | CN106856317B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956996B (en) * | 2017-12-26 | 2024-02-23 | 中冶赛迪工程技术股份有限公司 | Windproof content indicating device for gas tank |
| CN110518531A (en) * | 2019-09-24 | 2019-11-29 | 国网新疆电力有限公司伊犁供电公司 | A kind of inclined flashover flexibility damping unit of power transmission line wind and implementation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364794A (en) * | 2011-09-30 | 2012-02-29 | 上海市电力公司 | Suspension hardware fitting for optical phase conductor |
| CN202749781U (en) * | 2012-09-13 | 2013-02-20 | 安徽省电力公司淮南供电公司 | Three-wire respective puling type wind deflection prevention structure of power transmission line |
| CN204012583U (en) * | 2014-04-03 | 2014-12-10 | 国家电网公司 | A kind of suspension clamp |
| CN106300207A (en) * | 2016-10-31 | 2017-01-04 | 国网河南省电力公司郑州供电公司 | Power transmission overhead ground wire important leap region security is standby protects method of attachment and device |
| CN206559009U (en) * | 2017-03-21 | 2017-10-13 | 国网新疆电力公司电力科学研究院 | The inclined abrasion-proof apparatus of power transmission line wind |
-
2017
- 2017-03-21 CN CN201710170788.4A patent/CN106856317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364794A (en) * | 2011-09-30 | 2012-02-29 | 上海市电力公司 | Suspension hardware fitting for optical phase conductor |
| CN202749781U (en) * | 2012-09-13 | 2013-02-20 | 安徽省电力公司淮南供电公司 | Three-wire respective puling type wind deflection prevention structure of power transmission line |
| CN204012583U (en) * | 2014-04-03 | 2014-12-10 | 国家电网公司 | A kind of suspension clamp |
| CN106300207A (en) * | 2016-10-31 | 2017-01-04 | 国网河南省电力公司郑州供电公司 | Power transmission overhead ground wire important leap region security is standby protects method of attachment and device |
| CN206559009U (en) * | 2017-03-21 | 2017-10-13 | 国网新疆电力公司电力科学研究院 | The inclined abrasion-proof apparatus of power transmission line wind |
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| CN106856317A (en) | 2017-06-16 |
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