CN106711904B - A kind of damping conductor spacer of insulator chain - Google Patents
A kind of damping conductor spacer of insulator chain Download PDFInfo
- Publication number
- CN106711904B CN106711904B CN201510445830.XA CN201510445830A CN106711904B CN 106711904 B CN106711904 B CN 106711904B CN 201510445830 A CN201510445830 A CN 201510445830A CN 106711904 B CN106711904 B CN 106711904B
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- China
- Prior art keywords
- insulator chain
- conductor spacer
- insulator
- damping
- hollow cylindrical
- Prior art date
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- 239000012212 insulator Substances 0.000 title claims abstract description 81
- 238000013016 damping Methods 0.000 title claims abstract description 40
- 239000004020 conductor Substances 0.000 title claims abstract description 31
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 31
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 9
- 241001212149 Cathetus Species 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000009514 concussion Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The present invention relates to a kind of damping conductor spacers of insulator chain, the insulator chain includes set square, be arranged the set square both ends be vertically arranged by insulator chain, win in succession concatenated with hanging plate made of the horizontal connection component of the insulator chain is connected in II font insulator chain components and horizontal direction, the horizontal connection component is the middle character form component that two T-connecting pieces pass through cushioning members connection composition；Horizontal connection component both ends are equipped with the connection component being flexibly connected with the insulator chain；The insulator chain is the insulator string made of glass or ceramics.Conductor spacer of the present invention, the globality for improving insulator chain by installing conductor spacer additional between suspension insulator in transmission line of electricity, solves the problems, such as mutually to swing between suspension insulator, improves the safety and reliability of circuit.
Description
Technical field
The present invention relates to transmission facility, the damping conductor spacer of in particular to a kind of insulator chain.
Background technology
Insulator chain conductor spacer is the important component of power grid, directly influence power grid stability and power supply can
By property.Insulator chain is one of the key equipment in transmission line of electricity for hanging conducting wire and conducting wire, shaft tower and the earth being made to insulate.
But due to climate change, strong wind weather is increasing, the mutual swing between insulator chain brings serious prestige to safe operation
The side of body.
Existing insulator chain conductor spacer, which is generally connected by rod insulator with wire clamp gold utensil, to be formed.Due to lacking buffering
Part, when vibration come it is temporarily not ideal enough to inhibiting to swing between insulator chain effect, cause to occur between insulator chain concussion and
Mutual whiplash causes transmission line of electricity to damage.And since existing insulator chain conductor spacer is simple in structure, processing technology is poor, also have
Intensity difference, transport difficult, the problem that the product life cycle is short and maintenance cost is high.
For this reason, it may be necessary to a kind of damping conductor spacer of insulator chain be provided, to inhibit swing, increase between insulator chain to produce
Product life cycle reduces maintenance, transport and production cost.
Invention content
The above problem to be solved is realized by following technical proposals：A kind of damping conductor spacer of insulator chain is provided,
The insulator chain includes set square, be arranged the set square both ends be vertically arranged by insulator chain, win in succession and hanging plate string
The horizontal connection component of the insulator chain is connected on II fonts insulator chain component and horizontal direction made of connecing,
The horizontal connection component is middle character form component of two T-connecting pieces by cushioning members connection composition；
Horizontal connection component both ends are equipped with the connection component being flexibly connected with the insulator chain；
The insulator chain is the insulator string made of glass or ceramics.
Two base angles of the set square are respectively equipped with and the vertically disposed connecting hole in its surface；The connecting hole be connected with
The otic placode of the insulator chain is connected；
Groove is respectively set in the otic placode both ends, and the fluting direction of the groove is mutually perpendicular to, groove two side edge
Same horizontal line direction is respectively equipped with through-hole；The groove is consolidated with the connecting hole and insulator chain upper end respectively by bolt
Determine part to be connected.
The insulator chain is composed in series by end to end insulator；
The insulator is inverted umbrella-shaped structure；The upper end is equipped with fixing groove, and lower end is equipped with plush copper；The fixing groove and
Plush copper cooperates；
The insulator chain lower end is equipped with connector.
The both ends of winning in succession are connected with fixed plate respectively by bolt；
The fixed plate being arranged in the upper and lower ends of winning in succession is connected with the connector and hanging plate respectively.
The hanging plate is the platy structure that one end level is equipped with Hollow Cylindrical Shaft, and other end level is equipped with trepanning, the trepanning
Direction is vertical with the axis direction of Hollow Cylindrical Shaft, stud is arranged in the Hollow Cylindrical Shaft, the stud both ends are by inner
To outside successively equipped with washer, nut and closed pin；The hanging plate is connected with fixed plate by the stud.
The insulator chain is radially provided with grading ring, and the grading ring is connected by support component with described win in succession；
The support component be by four support bar groups at W type support elements；The supporting rod both ends respectively with grading ring
It is connected with winning in succession.
The connection component includes trapezoidal plate, socket-clevis eye and ball-clevis；
The trapezoidal plate cathetus edges are equipped with multiple mounting holes, and the connecting rod both ends are symmetrical arranged with one of which respectively
The mounting hole be connected；The right angle endpoint of the trapezoidal plate is equipped with the mounting hole for connecting the socket-clevis eye and ball-clevis.
The socket-clevis eye is the platy structure that one end is equipped with Hollow Cylindrical Shaft；The other end is equipped with the axis along the Hollow Cylindrical Shaft
The link slot for being arranged to direction and being connected with the plush copper；
The stud across the mounting hole is equipped in the Hollow Cylindrical Shaft, the bolt both ends are set successively from the inside to the outside
There are washer, nut and closed pin.
It is equipped with annular fixing member in the link slot, the screw thread being connect with the plush copper is equipped in the annular fixing member.
The ball-clevis is the platy structure that one end is equipped with Hollow Cylindrical Shaft；The other end, which is equipped with, to be connected with the fixing groove
Connector；
The stud across the mounting hole is equipped in the Hollow Cylindrical Shaft, the bolt both ends are set successively from the inside to the outside
There are washer, nut and closed pin.
The cushioning members include dampening assembly and with dampening assembly damping spring disposed in parallel；
The T-connecting piece is equipped with the connecting hole being connect with the dampening assembly and damping spring both ends.
The dampening assembly includes fixing sleeve and the setting sequentially connected damping rubber outside the fixing sleeve for being inserted with I type bars
Glue, movement parts and damping lid；
The I types bar and damping cover the fixed plate for being respectively equipped with and being connected with the connecting hole.
Friction plate is equipped between the movement parts and damping lid, the friction plate one side is fixed with the movement parts, another
Face is flexibly connected with damping lid inside.
Compared with the latest prior art, technical solution provided by the invention has the advantages that：
1, conductor spacer provided by the present application, it is good with inhibition is swung between insulator chain, it can effectively prevent insulation
Transmission line of electricity damages caused by concussion and mutual whiplash occurs between substring.
2, conductor spacer provided by the present application can be effective using damping spring and the matched damping modes of dampening assembly
Absorbent insulation substring between concussion, ensure the safe handling of power supply network.
3, dampening assembly provided by the present application waves energy, by insulator chain object using elastic deformation and frictional force absorption
Reason struts, and prevents insulator chain from vibrating, and mutual whiplash causes damages, and improves the globality of insulator chain, improves insulator
The safe handling range of string.
4, conductor spacer provided by the present application, is connected using socket-clevis eye and ball-clevis with insulator, secured with assembly,
It is simple to manufacture and the advantages of install convenient.
5, insulator chain provided by the invention, using ripe processing technology, greatly improve the structural strength of gold utensil with
And gold utensil is connected as the integral strength after suspension string, it is ensured that the normal operation of transmission line of electricity.
6, insulator chain provided by the invention is effectively shortened outstanding by optimizing the structure and its connection type of gold utensil
The length gone here and there of hanging down reduces the manufacture of gold utensil and steel tower, transports and be constructed into reduce the tower body height of electric power pylon
This, has good economic benefit.
Description of the drawings
Fig. 1 is insulator chain front view provided by the invention；
Fig. 2 is conductor spacer front view provided by the invention；
Fig. 3 is conductor spacer left view provided by the invention；
Fig. 4 is otic placode front view provided by the invention；
Fig. 5 is otic placode left view provided by the invention；
Fig. 6 is dampening assembly vertical view provided by the invention；
Wherein, 1-set square, 2-insulator chains, 3-win in succession, 4-hanging plates, 5-connecting rods, 6-connection components, 7-
Otic placode, 8-insulators, 9-fixed plates, 10-grading rings, 11-support components, 12-socket-clevis eyes, 13-ball-clevis,
14-trapezoidal plates, 15-damping springs, 16-dampening assemblies, 17-annular fixing members, 18-I types bars, 19-fixing sleeves, 20-
Damping rubber, 21-movement parts, 22-damping lids, 23-horizontal connection components
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：
As shown in Figure 1, a kind of damping conductor spacer of insulator chain, the insulator chain includes set square 1, is arranged described
1 both ends of set square be vertically arranged by insulator chain 2, win in succession 3 and hanging plate 4 concatenate made of II font insulator chain components and water
The horizontal connection component 23 of the insulator chain 2 square is connected up,
As depicted in figs. 1 and 2, the horizontal connection component 23 is that two T-connecting pieces connect composition by cushioning members 5
Middle character form component；
As shown in Fig. 2, 23 both ends of horizontal connection component are equipped with the connection component being flexibly connected with the insulator chain 2
6；
The insulator chain 2 is the insulator string made of glass or ceramics.
Two base angles of the set square 1 are respectively equipped with and the vertically disposed connecting hole in its surface；The connecting hole and company
There is the otic placode 7 of the insulator chain 2 to be connected；
As shown in Figure 4 and Figure 5, groove is respectively set in 7 both ends of the otic placode, and the fluting direction of the groove is mutually perpendicular to,
The groove two side is respectively equipped with through-hole along same horizontal line direction；The groove by bolt respectively with the connecting hole and
The fixing piece of 2 upper end of insulator chain is connected.
The insulator chain 2 is composed in series by end to end insulator 8；
The insulator 8 is inverted umbrella-shaped structure；The upper end is equipped with fixing groove, and lower end is equipped with plush copper；The fixing groove
It cooperates with plush copper；
2 lower end of the insulator chain is equipped with connector.
3 both ends of winning in succession are connected with fixed plate 9 respectively by bolt；
The fixed plate 9 being arranged in 3 upper and lower ends of winning in succession is connected with the connector and hanging plate 4 respectively.
The hanging plate 4 is the platy structure that one end level is equipped with Hollow Cylindrical Shaft, and other end level is equipped with trepanning, the trepanning
Direction is vertical with the axis direction of Hollow Cylindrical Shaft, stud is arranged in the Hollow Cylindrical Shaft, the stud both ends are by inner
To outside successively equipped with washer, nut and closed pin；The hanging plate 4 is connected with fixed plate 9 by the stud.
The insulator chain 2 is radially provided with grading ring 10, and the grading ring 10 passes through support component 11 and 3 phases of winning in succession
Even；
The support component 11 be by four support bar groups at W type support elements；The supporting rod both ends respectively with press
Ring 10 3 is connected with winning in succession.
As shown in Figures 2 and 3, the connection component 6 includes trapezoidal plate 14, socket-clevis eye 12 and ball-clevis 13；
14 cathetus edges of the trapezoidal plate are equipped with multiple mounting holes, and 5 both ends of the connecting rod are symmetrical with one of which respectively
The mounting hole being arranged is connected；The right angle endpoint of the trapezoidal plate 14, which is equipped with, connects the socket-clevis eye 12 and ball-clevis 13
Mounting hole.
As shown in figure 3, the socket-clevis eye 12 is the platy structure that one end is equipped with Hollow Cylindrical Shaft；The other end is equipped with along described
The link slot that the axial direction of Hollow Cylindrical Shaft is arranged and is connected with the plush copper；
The stud across the mounting hole is equipped in the Hollow Cylindrical Shaft, the bolt both ends are set successively from the inside to the outside
There are washer, nut and closed pin.
It is equipped with annular fixing member 17 in the link slot, the spiral shell being connect with the plush copper is equipped in the annular fixing member 17
Line.
As shown in figure 3, the ball-clevis 13 is the platy structure that one end is equipped with Hollow Cylindrical Shaft；The other end be equipped with it is described
The connected connector of fixing groove；
The stud across the mounting hole is equipped in the Hollow Cylindrical Shaft, the bolt both ends are set successively from the inside to the outside
There are washer, nut and closed pin.
As shown in fig. 6, the cushioning members 5 include dampening assembly 16 and with 16 damping disposed in parallel of the dampening assembly
Spring 15；
The T-connecting piece is equipped with the connecting hole being connect with the dampening assembly 16 and 15 both ends of damping spring.
The dampening assembly 16 includes being inserted with the fixing sleeve 19 of I types bar 18 and being arranged to be sequentially connected outside the fixing sleeve 19
Damping rubber 20, movement parts 21 and damping lid 22；
It is respectively equipped with the fixed plate being connected with the connecting hole on the I types bar 18 and damping lid 22.
Friction plate is equipped between the movement parts 21 and damping lid 22, the friction plate one side and the movement parts 21 are solid
Fixed, another side is flexibly connected with 22 inside of the damping lid.
When transmission pressure bears wind load, conductor spacer acts on for energy consumption at this time, and damping spring 15 and dampening assembly 16 are same
When absorb from insulator chain 2 transmit come swing energy.Damping spring 15 completes energy-absorbing by the stretching and compression of spring；Damping
I types bar 18 in component 16 pushes damping rubber 20 to generate elastic deformation with movement parts 21 to absorb interior energy loss under wind drive
Consumption, the transmission line of electricity not being consumed swing energy and are transmitted in movement parts 21 by damping rubber 20, pass through 21 side of movement parts
Friction plate and damping lid 22 between relative motion, decaying consumption circuit in swing energy.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although with reference to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to the present invention specific implementation mode into
Row changes either equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement
Apply within the claim protection model of the pending present invention.
Claims (13)
1. a kind of damping conductor spacer of insulator chain, the insulator chain includes set square (1), is arranged in the set square (1)
Both ends be vertically arranged by insulator chain (2), win in succession (3) and hanging plate (4) concatenation made of II font insulator chain components and water
Square connect up the horizontal connection component (23) of the insulator chain (2), it is characterised in that：
The horizontal connection component (23) is middle character form component of two T-connecting pieces by cushioning members (5) connection composition；
Horizontal connection component (23) both ends are equipped with the connection component (6) being flexibly connected with the insulator chain (2)；
The insulator chain (2) is the insulator string made of glass or ceramics；
The cushioning members (5) include dampening assembly (16) and with the dampening assembly (16) damping spring disposed in parallel
(15)；
The dampening assembly (16) include be inserted with the fixing sleeve (19) of I types bar (18) and be arranged the fixing sleeve (19) outside successively
Damping rubber (20), movement parts (21) and the damping lid (22) of connection.
2. conductor spacer as described in claim 1, which is characterized in that two base angles of the set square (1) are respectively equipped with and it
The vertically disposed connecting hole in surface；The connecting hole is connected with the otic placode (7) for being connected with the insulator chain (2)；
Groove is respectively set in otic placode (7) both ends, and the fluting direction of the groove is mutually perpendicular to, and the groove two side is along same
One horizontal line direction is respectively equipped with through-hole；The groove by bolt respectively with the connecting hole and insulator chain (2) upper end
Fixing piece is connected.
3. conductor spacer as described in claim 1, which is characterized in that the insulator chain (2) is by end to end insulator (8)
It composes in series；
The insulator (8) is inverted umbrella-shaped structure；The upper end is equipped with fixing groove, and lower end is equipped with plush copper；The fixing groove and
Plush copper cooperates；
Insulator chain (2) lower end is equipped with connector.
4. conductor spacer as claimed in claim 3, which is characterized in that it is described win in succession (3) both ends by bolt respectively with fixed plate
(9) it is connected；
The fixed plate (9) being arranged in (3) upper and lower ends of winning in succession is connected with the connector and hanging plate (4) respectively.
5. conductor spacer as claimed in claim 4, which is characterized in that the hanging plate (4) is that one end level is equipped with Hollow Cylindrical Shaft
Platy structure, other end level are equipped with trepanning, and the opening direction is vertical with the axis direction of Hollow Cylindrical Shaft, the Hollow Cylindrical Shaft
Middle setting stud, the stud both ends are equipped with washer, nut and closed pin successively from the inside to the outside；The hanging plate (4)
It is connected by the stud with fixed plate (9).
6. conductor spacer as claimed in claim 4, which is characterized in that the insulator chain (2) is radially provided with grading ring (10), institute
Grading ring (10) is stated by support component (11) to be connected with win in succession (3)；
The support component (11) be by four support bar groups at W type support elements；The supporting rod both ends respectively with grading ring
(10) with win in succession (3) be connected.
7. conductor spacer as claimed in claim 3, which is characterized in that the connection component (6) includes trapezoidal plate (14), bowl head extension
Plate (12) and ball-clevis (13)；
Trapezoidal plate (14) cathetus edges are equipped with multiple mounting holes, and connecting rod (5) both ends are symmetrical with one of which respectively
The mounting hole being arranged is connected；The right angle endpoint of the trapezoidal plate (14), which is equipped with, connects the socket-clevis eye (12) and bulb extension
The mounting hole of plate (13).
8. conductor spacer as claimed in claim 7, which is characterized in that the socket-clevis eye (12) is that one end is equipped with Hollow Cylindrical Shaft
Platy structure；The other end is equipped with the link slot for being arranged and being connected with the plush copper along the axial direction of the Hollow Cylindrical Shaft；
The stud across the mounting hole is equipped in the Hollow Cylindrical Shaft, the bolt both ends are equipped with pad successively from the inside to the outside
Circle, nut and closed pin.
9. conductor spacer as claimed in claim 8, which is characterized in that annular fixing member (17) is equipped in the link slot, it is described
The screw thread being connect with the plush copper is equipped in annular fixing member (17).
10. conductor spacer as claimed in claim 7, which is characterized in that the ball-clevis (13) is that one end is equipped with Hollow Cylindrical Shaft
Platy structure；The other end is equipped with the connector being connected with the fixing groove；
The stud across the mounting hole is equipped in the Hollow Cylindrical Shaft, the bolt both ends are equipped with pad successively from the inside to the outside
Circle, nut and closed pin.
11. conductor spacer as described in claim 1, which is characterized in that the T-connecting piece is equipped with and the dampening assembly
(16) connecting hole connected with damping spring (15) both ends.
12. conductor spacer as claimed in claim 11, which is characterized in that set respectively on the I types bar (18) and damping lid (22)
There is the fixed plate being connected with the connecting hole.
13. conductor spacer as claimed in claim 12, which is characterized in that be equipped between the movement parts (21) and damping lid (22)
Friction plate, the friction plate one side is fixed with the movement parts (21), and another side is covered on the inside of (22) with the damping and is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445830.XA CN106711904B (en) | 2015-07-27 | 2015-07-27 | A kind of damping conductor spacer of insulator chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445830.XA CN106711904B (en) | 2015-07-27 | 2015-07-27 | A kind of damping conductor spacer of insulator chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106711904A CN106711904A (en) | 2017-05-24 |
| CN106711904B true CN106711904B (en) | 2018-09-14 |
Family
ID=58895374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510445830.XA Active CN106711904B (en) | 2015-07-27 | 2015-07-27 | A kind of damping conductor spacer of insulator chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106711904B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6826497B2 (en) * | 2017-06-07 | 2021-02-03 | 株式会社東光高岳 | Vibration suppression device for pantograph type disconnector |
| CN107448054B (en) * | 2017-09-12 | 2019-07-05 | 广东电网有限责任公司电力科学研究院 | A kind of power transmission tower oscillation damping method based on double pendulum type damper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017729Y (en) * | 2007-03-22 | 2008-02-06 | 国网北京电力建设研究院 | AC extra-high voltage large crossing insulator metal fittings string |
| CN102097189A (en) * | 2011-03-01 | 2011-06-15 | 中国电力工程顾问集团西南电力设计院 | Four-link tension string for +/-800KV heavy ice area |
| CN204243690U (en) * | 2014-11-20 | 2015-04-01 | 中国电建集团华东勘测设计研究院有限公司 | A kind of fixed heavy hammer structure of high pressure overhead power line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1778849C (en) * | 1990-06-14 | 1992-11-30 | Ленинградский Политехнический Институт Им.М.И.Калинина | Insulating wire suspension of aerial power line |
-
2015
- 2015-07-27 CN CN201510445830.XA patent/CN106711904B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017729Y (en) * | 2007-03-22 | 2008-02-06 | 国网北京电力建设研究院 | AC extra-high voltage large crossing insulator metal fittings string |
| CN102097189A (en) * | 2011-03-01 | 2011-06-15 | 中国电力工程顾问集团西南电力设计院 | Four-link tension string for +/-800KV heavy ice area |
| CN204243690U (en) * | 2014-11-20 | 2015-04-01 | 中国电建集团华东勘测设计研究院有限公司 | A kind of fixed heavy hammer structure of high pressure overhead power line |
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| Publication number | Publication date |
|---|---|
| CN106711904A (en) | 2017-05-24 |
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