CN108988263A - Transmission line of electricity drainage thread wind-proof device - Google Patents
Transmission line of electricity drainage thread wind-proof device Download PDFInfo
- Publication number
- CN108988263A CN108988263A CN201811027498.5A CN201811027498A CN108988263A CN 108988263 A CN108988263 A CN 108988263A CN 201811027498 A CN201811027498 A CN 201811027498A CN 108988263 A CN108988263 A CN 108988263A
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- China
- Prior art keywords
- drainage thread
- folder
- transmission line
- telescopic rod
- wind
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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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- 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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Abstract
The present invention relates to wind-proof devices, aim to solve the problem that the existing streamline that separates meets with that wind-force is excessive that shaking is be easy to cause to cause to be broken, the problem of directly resulting in the power-off of high-altitude transmission line of electricity, transmission line of electricity drainage thread wind-proof device is provided, including being capable of fixing fixed frame and multiple connecting brackets for being set to the fixed frame in strain rod tower；The fixed frame includes mounting base, the first folder, the second folder and clamp system, and the first folder and the second folder can clamp under the driving of clamp system is installed on strain rod tower；Multiple connecting brackets are set to the mounting base, and each connecting bracket includes connecting rod and the tightener that can enclose drainage thread along circumferential direction, multiple fan-shaped structure distributions of connecting rod.The invention has the advantages that being inserted in multiple tighteners using by drainage thread, the length of connecting rod can be set according to the big minor adjustment of wind-force, substantially increase the rated wind velocity of drainage thread, while structure is simple, easy for construction, manufacturing cost is relatively low.
Description
Technical field
The present invention relates to wind-proof devices, in particular to transmission line of electricity drainage thread wind-proof device.
Background technique
The drainage thread of transmission line of electricity is the connection transition route that both ends high voltage transmission line is connected on steel tower, and it typically is sagging
In arc shaped, the areas such as next door desert and Xinjiang, Qinghai-Tibet Platean, long-term wind is big, when wind-force reaches certain series, drainage thread
Can persistently wave with wind-force, this can bring very big security risk to high-altitude transmission line of electricity, in other words, once drainage thread by
Yu Feng great excessively shakes and causes to be broken, then can directly result in the power-off of high-altitude transmission line of electricity, brings very to production, the life of the people
Burden prevents from threatening the safety of drainage thread because wind is excessive therefore, it is necessary to improve the structure of this kind of regional drainage thread.
Summary of the invention
The present invention is intended to provide a kind of transmission line of electricity drainage thread wind-proof device, meets with wind-force mistake to solve the existing streamline that separates
The problem of be easy to causeing shaking to cause to be broken greatly, directly resulting in the power-off of high-altitude transmission line of electricity.
The embodiment of the present invention is achieved in that
The embodiment of the present invention provides transmission line of electricity drainage thread wind-proof device,
Including being capable of fixing fixed frame and multiple connecting brackets for being set to fixed frame in strain rod tower；
Fixed frame includes mounting base, the first folder, the second folder and clamp system, and the first folder and the second folder are symmetrically slided
Dynamic to be set to mounting base, the first folder and the opposite side of the second folder are respectively arranged with the opposite U-shaped space that is open；Clamping machine
Structure includes the connecting rod through the first folder and the second folder, and one end of connecting rod is provided with block piece, and the other end of connecting rod is arranged with
Limit bolt；
Multiple connecting brackets are set to mounting base, and each connecting bracket includes that connecting rod and capable of enclosing along circumferential direction is drawn
The tightener of streamline, multiple fan-shaped structure distributions of connecting rod；
The sector structure that corresponds to of each connecting rod is fixed on fixed frame, the correspondence of each connecting rod compared with one end of small arc-shaped
In one end of sector structure larger arc, tightener is set.
For fixed frame for being fixed on strain insulator transmission tower, connecting bracket is fixed on strain insulator transmission tower by fixed frame.
First folder and the second folder can relatively move close in mounting base or be relatively distant from movement, opposite to move
Strain insulator transmission tower can be clamped when dynamic close, can be removed under strain insulator transmission tower when being located remotely from each other.It can be realized by limiting bolt
The close clamping strain insulator transmission tower of first folder and the second folder.
Drainage thread can be enclosed by the tightener of arc-shaped distribution, the length of connecting rod can be set according to actual needs
It sets, provides the rated wind velocity of drainage thread significantly, overall structure is simple, and easy for construction, manufacturing cost is also relatively low.
In an embodiment of the present embodiment:
Fixed frame includes vertical loading board and annular ring, and vertical loading board is vertically arranged to the bottom of mounting base, and annular ring, which is set to, to be hung
Fill bar；
One end for being fixed on fixed frame of multiple connecting rods is connect with annular ring respectively, and is successively spaced apart.
In an embodiment of the present embodiment:
The axial line of multiple connecting rods is in the same plane.
In an embodiment of the present embodiment:
Connecting rod includes telescopic rod and expansion regulating mechanism；
Telescopic rod is set to expansion regulating mechanism, flexible to realize；
Tightener is set to telescopic rod.
In an embodiment of the present embodiment:
Expansion regulating mechanism includes connector sleeve, is provided with thread segment on the inside of connector sleeve；
One end of telescopic rod is threadedly coupled with connector sleeve.
In an embodiment of the present embodiment:
Expansion regulating mechanism further includes more long strips, and every long strips are provided with motor and the tooth by motor driving rotation
The periphery of wheel rim, gear ring is provided with rack gear along the circumferential direction；
The side of each connecting rod is correspondingly arranged a long strips, and connector sleeve is rotatably dispose in long strips, and the one of long strips
Fixed frame is fixed at end, and gear ring fixing sleeve is set to the outside of connector sleeve；
Telescopic rod moves back and forth under the driving of connector sleeve along the length direction of long strips.
In an embodiment of the present embodiment:
One end of the protrusion connector sleeve of long strips is respectively arranged with the guide groove in axial direction extended；
Telescopic rod is provided with guide pad, and guide pad sliding is embedded at guide groove.
In an embodiment of the present embodiment:
Tightener is the insulation strip that can arbitrarily bend；
One end of insulation strip is connect with telescopic rod.
In an embodiment of the present embodiment:
One end of insulation strip is connect with telescopic rod by cutting ferrule；
One end of cutting ferrule is threadedly coupled with telescopic rod, and the other end of cutting ferrule connects insulation strip.
In an embodiment of the present embodiment:
The side of the one end of insulation strip connecting with telescopic rod is provided with fixing buckle, one end of the separate telescopic rod of insulation strip
It is provided with elastic ring；
Fixing buckle includes the fixed link for being fixed on insulation strip side and the locating part for being set to fixed boom end, locating part packet
Limiting section and point are included, limiting section is set to the end of fixed link and is provided projectingly along the circumferential direction of fixed link, tip
Portion is set to limiting section；
The periphery that limiting section can pass through elastic ring and elastic ring is made to be sheathed on fixed link.
The beneficial effects of the present invention are: be inserted in multiple tighteners using by drainage thread, it can be according to the big minor adjustment of wind-force
The length of connecting rod is set, substantially increases the rated wind velocity of drainage thread, while structure is simple, easy for construction, manufacturing cost
It is lower.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the main view of transmission line of electricity drainage thread wind-proof device provided in an embodiment of the present invention；
Fig. 2 is the partial enlarged view of the A in Fig. 1 provided in an embodiment of the present invention；
Fig. 3 is the knot of the fixing buckle in transmission line of electricity drainage thread wind-proof device shown in FIG. 1 provided in an embodiment of the present invention
Structure schematic diagram.
Icon: 100- strain rod tower；200- fixed frame；210- mounting base；The first folder of 211-；212- connecting rod；213- limit
Determine bolt；220- vertical loading board；230- annular ring；300- connecting bracket；310- connecting rod；311- telescopic rod；312- telescopic adjustment
Mechanism；3121- connector sleeve；313- long strips；314- motor；315- gear ring；320- tightener；330- insulation strip；340- is solid
Fixed button；341- fixed link；342- locating part；3421- limiting section；3422- point；350- elastic ring；400- cutting ferrule.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
If being not offered as requiring component absolute in addition, occurring the terms such as term "horizontal", "vertical" in description of the invention
Horizontal or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical", not
It is to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, " connection " may be a fixed connection, being also possible to can
Dismantling connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also pass through
Intermediary is indirectly connected, and can be the connection inside two elements.For the ordinary skill in the art, can have
Body situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment, referring to figs. 1 to Fig. 3.
As shown in Figure 1, the embodiment of the present invention provides transmission line of electricity drainage thread wind-proof device,
Including being capable of fixing fixed frame 200 and multiple connecting brackets for being set to fixed frame 200 in strain rod tower 100
300；
Fixed frame 200 includes mounting base 210, the first folder 211, the second folder and clamp system, the first folder 211 and the
Two folders are symmetrically slideably positioned in mounting base 210, and the first folder 211 and the opposite side of the second folder are respectively arranged with opening phase
Pair U-shaped space；Clamp system includes the connecting rod 212 through the first folder 211 and the second folder, one end setting of connecting rod 212
There is block piece, the other end of connecting rod 212, which is arranged with, limits bolt 213；
Multiple connecting brackets 300 are set to mounting base 210, and each connecting bracket 300 includes connecting rod 310 and can be along week
The tightener 320 of drainage thread, the fan-shaped structure distribution of multiple connecting rods 310 are enclosed to direction；
The sector structure that corresponds to of each connecting rod 310 is fixed on fixed frame 200, each connecting rod compared with one end of small arc-shaped
Tightener 320 is arranged in 310 one end corresponding to sector structure larger arc.
Fixed frame 200 is fixed on strain insulator transmission tower by fixed frame 200 for being fixed on strain insulator transmission tower, connecting bracket 300.
First folder 211 and the second folder can relatively move close in mounting base 210 or be relatively distant from movement,
Relative movement can clamp strain insulator transmission tower when close, can remove under strain insulator transmission tower when being located remotely from each other.By limiting bolt 213
It can be realized the close clamping strain insulator transmission tower of the first folder 211 and the second folder.
Drainage thread can be enclosed by the tightener 320 of arc-shaped distribution, the length of connecting rod 310 can be according to practical need
Setting is asked, provides the rated wind velocity of drainage thread significantly, overall structure is simple, and easy for construction, manufacturing cost is also relatively low.
As shown in Figure 1, in an embodiment of the present embodiment:
Fixed frame 200 includes vertical loading board 220 and annular ring 230, and vertical loading board 220 is vertically arranged to the bottom of mounting base 210,
Annular ring 230 is set to vertical loading board 220；
One end for being fixed on fixed frame 200 of multiple connecting rods 310 is connect with annular ring 230 respectively, and successively interval point
Cloth.
Multiple connecting rods 310 are arranged along annular ring 230, realize sector structure distribution, connecting rod 310 is using fan-shaped knot
Structure can limit drainage thread along the length direction of drainage thread, to effectively enhance the rated wind velocity of drainage thread.
As shown in Figure 1, in an embodiment of the present embodiment:
The axial line of multiple connecting rods 310 is in the same plane.
Assemble convenient for collecting drainage thread, enhances the rated wind velocity of drainage thread.
As shown in Figure 1, in an embodiment of the present embodiment:
Connecting rod 310 includes telescopic rod 311 and expansion regulating mechanism 312；
Telescopic rod 311 is set to expansion regulating mechanism 312, flexible to realize；
Tightener 320 is set to telescopic rod 311.
The position of telescopic rod 311 can be adjusted, by expansion regulating mechanism 312 to adjust the setting tightening of telescopic rod 311
Distance of the one end of part 320 apart from annular ring 230, to improve the rated wind velocity of drainage thread according to the wind-force big minor adjustment spacing.
As shown in Figure 1, in an embodiment of the present embodiment:
Expansion regulating mechanism 312 includes connector sleeve 3121, and the inside of connector sleeve 3121 is provided with thread segment；
One end of telescopic rod 311 is threadedly coupled with connector sleeve 3121.
By rotating connector sleeve 3121, movement of the telescopic rod 311 in connector sleeve 3121 can be realized, realize telescopic rod
311 variation for stretching out the length outside connector sleeve 3121, to realize spacing of the drainage thread apart from connecting rod 310.It adjusts quick
It is convenient.
As shown in Figure 1, in an embodiment of the present embodiment:
Expansion regulating mechanism 312 further includes more long strips 313, and every long strips 313 are provided with motor 314 and by motor
The gear ring 315 of 314 driving rotations, the periphery of gear ring 315 is provided with rack gear along the circumferential direction；
The side of each connecting rod 310 is correspondingly arranged a long strips 313, and connector sleeve 3121 is rotatably dispose in long strips
313, fixed frame 200 is fixed in one end of long strips 313, and 315 fixing sleeve of gear ring is set to the outside of connector sleeve 3121；
Telescopic rod 311 moves back and forth under the driving of connector sleeve 3121 along the length direction of long strips 313.
Motor 314 drives gear ring 315 to rotate, and the rotation of gear ring 315 drives the connector sleeve 3121 fixed with gear ring 315
Rotation, connector sleeve 3121 rotate, and driving telescopic rod 311 stretches out or retracts connector sleeve 3121, to adjust stretching connector sleeve
The length of one end outside 3121, that is, adjust distance of the one end connecting with drainage thread apart from strain insulator line bar.
As shown in Figure 1, in an embodiment of the present embodiment:
One end of the protrusion connector sleeve 3121 of long strips 313 is respectively arranged with the guide groove in axial direction extended；
Telescopic rod 311 is provided with guide pad, and guide pad sliding is embedded at guide groove.
Guide pad and guide groove cooperation, telescopic rod 311 can be along guide groove institutes under the action of rotation connection set 3121
The direction of restriction moves back and forth, to realize that telescopic rod 311 stretches out or retract connector sleeve 3121.
As shown in Fig. 2, in an embodiment of the present embodiment:
Tightener 320 is the insulation strip 330 that can arbitrarily bend；
One end of insulation strip 330 is connect with telescopic rod 311.
Insulation strip 330 can arbitrarily be bent, so as to enclose drainage thread, to realize the fixation to drainage thread.Insulation
Item 330 can use following structure, including wire and insulation sleeve, the coated periphery in wire of insulation sleeve.
As shown in Fig. 2, in an embodiment of the present embodiment:
One end of insulation strip 330 is connect with telescopic rod 311 by cutting ferrule 400；
One end of cutting ferrule 400 is threadedly coupled with telescopic rod 311, and the other end of cutting ferrule 400 connects insulation strip 330.
Cutting ferrule 400 is detachably connected with telescopic rod 311, and insulation strip 330 and the telescopic rod 311 for being set to cutting ferrule 400 are removable
Connection is unloaded, assembly and disassembly are convenient for.
As shown in Figures 2 and 3, in an embodiment of the present embodiment:
The side of the one end of insulation strip 330 connecting with telescopic rod 311 is provided with fixing buckle 340, insulation strip 330 it is separate
One end of telescopic rod 311 is provided with elastic ring 350；
Fixing buckle 340 includes the fixed link 341 for being fixed on 330 side of insulation strip and the limit for being set to 341 end of fixed link
Position part 342, locating part 342 include limiting section 3421 and point 3422, limiting section 3421 be set to the end of fixed link 341 and
It is provided projectingly along the circumferential direction of fixed link 341, point 3422 is set to limiting section 3421；
The periphery that limiting section 3421 can pass through elastic ring 350 and elastic ring 350 is made to be sheathed on fixed link 341.
Drainage thread is lived along the circumferential direction circle of drainage thread in 350 one end of setting elastic ring of insulation strip 330, then winds
Afterwards, elastic ring 350 is passed through into point 3422 and limiting section 3421, is sheathed on fixed link 341, realize the setting of insulation strip 330
One end of elastic ring 350 and fixing buckle 340.
Elastic ring 350 has elasticity, and therefore, the elastic ring 350 across point 3422 can expand under the effect of external force
Limiting section 3421 is passed through greatly, and after reaching fixed link 341, elastic ring 350 is restored, and elastic ring 350 is sheathed on fixed link at this time
341 periphery, and cannot pass through limiting section 3421 without external forces, so that insulation strip 330 can be securely
Enclose drainage thread.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of transmission line of electricity drainage thread wind-proof device, it is characterised in that:
Including being capable of fixing fixed frame and multiple connecting brackets for being set to the fixed frame in strain rod tower；
The fixed frame includes mounting base, the first folder, the second folder and clamp system, and first folder and described second are pressed from both sides
Part is symmetrically slideably positioned in the mounting base, and first folder and the opposite side of second folder are respectively arranged with opening
Opposite U-shaped space；The clamp system includes the connecting rod through first folder and second folder, the connecting rod
One end is provided with block piece, and the other end of the connecting rod is arranged with restriction bolt；
Multiple connecting brackets are set to the mounting base, and each connecting bracket includes connecting rod and can be circumferentially square
To the tightener for enclosing drainage thread, multiple fan-shaped structure distributions of connecting rod；
The sector structure that corresponds to of each connecting rod is fixed on the fixed frame compared with one end of small arc-shaped, each described
The tightener is arranged in one end corresponding to the sector structure larger arc of connecting rod.
2. transmission line of electricity drainage thread wind-proof device according to claim 1, it is characterised in that:
The fixed frame includes vertical loading board and annular ring, and the vertical loading board is vertically arranged to the bottom of the mounting base, the ring
Shape circle is set to the vertical loading board；
One end for being fixed on the fixed frame of multiple connecting rods is connect with annular ring respectively, and successively interval point
Cloth.
3. transmission line of electricity drainage thread wind-proof device according to claim 2, it is characterised in that:
The axial line of multiple connecting rods is in the same plane.
4. transmission line of electricity drainage thread wind-proof device according to claim 2, it is characterised in that:
The connecting rod includes telescopic rod and expansion regulating mechanism；
The telescopic rod is set to the expansion regulating mechanism, flexible to realize；
The tightener is set to the telescopic rod.
5. transmission line of electricity drainage thread wind-proof device according to claim 4, it is characterised in that:
The expansion regulating mechanism includes connector sleeve, is provided with thread segment on the inside of the connector sleeve；
One end of the telescopic rod is threadedly coupled with the connector sleeve.
6. transmission line of electricity drainage thread wind-proof device according to claim 5, it is characterised in that:
The expansion regulating mechanism further includes more long strips, and the every long strips are provided with motor and are driven by the motor
The periphery of the gear ring of rotation, the gear ring is provided with rack gear along the circumferential direction；
The side of each connecting rod is correspondingly arranged the long strips, and the connector sleeve is rotatably dispose in described elongated
The fixed frame is fixed in item, one end of the long strips, and the gear ring fixing sleeve is set to the outside of the connector sleeve；
The telescopic rod moves back and forth under the driving of the connector sleeve along the length direction of the long strips.
7. transmission line of electricity drainage thread wind-proof device according to claim 6, it is characterised in that:
One end of the protrusion of the long strips connector sleeve is respectively arranged with the guide groove in axial direction extended；
The telescopic rod is provided with guide pad, and the guide pad sliding is embedded at the guide groove.
8. transmission line of electricity drainage thread wind-proof device according to claim 4, it is characterised in that:
The tightener is the insulation strip that can arbitrarily bend；
One end of the insulation strip is connect with the telescopic rod.
9. transmission line of electricity drainage thread wind-proof device according to claim 8, it is characterised in that:
One end of the insulation strip is connect with the telescopic rod by cutting ferrule；
One end of the cutting ferrule is threadedly coupled with the telescopic rod, and the other end of the cutting ferrule connects the insulation strip.
10. transmission line of electricity drainage thread wind-proof device according to claim 8, it is characterised in that:
The side of the one end of the insulation strip connecting with the telescopic rod is provided with fixing buckle, the insulation strip far from described
One end of telescopic rod is provided with elastic ring；
The fixing buckle includes the fixed link for being fixed on the insulation strip side and the locating part for being set to the fixed boom end,
The locating part includes limiting section and point, and the limiting section is set to the end of the fixed link and along the fixed link
Circumferential direction be provided projectingly, the point is set to the limiting section；
The periphery that the limiting section can pass through the elastic ring and the elastic ring is made to be sheathed on the fixed link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027498.5A CN108988263B (en) | 2018-09-04 | 2018-09-04 | Windproof device for drainage wire of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027498.5A CN108988263B (en) | 2018-09-04 | 2018-09-04 | Windproof device for drainage wire of power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108988263A true CN108988263A (en) | 2018-12-11 |
| CN108988263B CN108988263B (en) | 2020-07-03 |
Family
ID=64544618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811027498.5A Expired - Fee Related CN108988263B (en) | 2018-09-04 | 2018-09-04 | Windproof device for drainage wire of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108988263B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3705480B2 (en) * | 2000-08-03 | 2005-10-12 | 株式会社フジクラ | Pipe-type jumper device for overhead power transmission lines |
| CN203398643U (en) * | 2013-07-26 | 2014-01-15 | 国家电网公司 | Drainage wire rack |
| CN203456824U (en) * | 2013-08-05 | 2014-02-26 | 河北省电力勘测设计研究院 | Annular aluminium-tube type hard jumper wire |
| CN103825219A (en) * | 2014-03-11 | 2014-05-28 | 国网山东齐河县供电公司 | Live-working drainage wire bracket |
| CN108331426A (en) * | 2018-03-12 | 2018-07-27 | 江苏神马电力股份有限公司 | A kind of cross-arm wire fixture and cross-arm |
-
2018
- 2018-09-04 CN CN201811027498.5A patent/CN108988263B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3705480B2 (en) * | 2000-08-03 | 2005-10-12 | 株式会社フジクラ | Pipe-type jumper device for overhead power transmission lines |
| CN203398643U (en) * | 2013-07-26 | 2014-01-15 | 国家电网公司 | Drainage wire rack |
| CN203456824U (en) * | 2013-08-05 | 2014-02-26 | 河北省电力勘测设计研究院 | Annular aluminium-tube type hard jumper wire |
| CN103825219A (en) * | 2014-03-11 | 2014-05-28 | 国网山东齐河县供电公司 | Live-working drainage wire bracket |
| CN108331426A (en) * | 2018-03-12 | 2018-07-27 | 江苏神马电力股份有限公司 | A kind of cross-arm wire fixture and cross-arm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108988263B (en) | 2020-07-03 |
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Granted publication date: 20200703 Termination date: 20200904 |