CN107706822A - Equipotential suspension clamp changes instrument - Google Patents
Equipotential suspension clamp changes instrument Download PDFInfo
- Publication number
- CN107706822A CN107706822A CN201711135424.9A CN201711135424A CN107706822A CN 107706822 A CN107706822 A CN 107706822A CN 201711135424 A CN201711135424 A CN 201711135424A CN 107706822 A CN107706822 A CN 107706822A
- Authority
- CN
- China
- Prior art keywords
- suspension clamp
- equipotential
- thread
- cross arm
- lifting hook
- Prior art date
- 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.)
- Pending
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Clamps And Clips (AREA)
Abstract
The invention provides a kind of equipotential suspension clamp to change instrument, is related to the technical field of transmission facility instrument, including support cross arm, strut clamp and carries line component；Strut clamp is arranged on support cross arm, the yoke plate for supported and suspended suspension clamp；Line component is carried on support cross arm, the lifting for pilot.Equipotential suspension clamp provided by the invention changes instrument using at socket-clevis eye, the parallel hanging plate of suspension clamp and yoke plate as the strong point, final to realize the purpose for changing suspension clamp by tightening up and loosening wire；Solve the problems such as operating personnel carries out the lower section lifting wire during Equipotential live working changes suspension clamp and fixed, ensure power supply reliability.
Description
Technical field
The present invention relates to transmission facility technical field of tools, and work is changed more particularly, to a kind of equipotential suspension clamp
Tool.
Background technology
With the fast development and the continuous improvement that requires power supply reliability of user of power network, in time discovery defect,
Eliminating defect becomes the emphasis of circuit fortune inspection person works.Transmission line of electricity straight line pole is in During Process of Long-term Operation, because of wire
The time limit is longer etc. that reason causes suspension clamp fracture, come off for vibrations, operation, and the operation to circuit causes great hidden danger, simultaneously
Also the production to resident near shaft tower, life threaten.
Generally handling such defect needs combined circuit power failure operation, by making on ground, cross-arm and at suspension clamp three
Industry personnel coordinate, and are changed after being fastened using Work tools such as chain slings, and replacing flow is relatively complicated, simultaneously because power failure operation
It has impact on power network power supply reliability.
Therefore, develop a set of suspension clamp and change instrument, solve operating personnel and carry out Equipotential live working replacing pendency
The problems such as lifting of Square wire is descended during wire clamp and is fixed, ensures power supply reliability, has great Research Significance.
The content of the invention
It is an object of the invention to provide a kind of equipotential suspension clamp to change instrument, carries out equipotential for operating personnel
Livewire work eliminates line defct, and the set instrument, as the strong point, is led to using at socket-clevis eye, the parallel hanging plate of suspension clamp and yoke plate
Cross and tighten up and loosen wire, it is final to realize the purpose for changing suspension clamp.And the set tooling strength is high, safe and reliable, operation
It is convenient, time saving and energy saving, suspension clamp can be changed with livewire work, equipotential, it is ensured that transmission line safety reliable power supply.
To achieve the above object, the present invention provides following technical scheme：
The present invention provides a kind of equipotential suspension clamp and changes instrument, including：Support cross arm, strut clamp and put forward line group
Part；
The strut clamp is arranged on the support cross arm, the yoke plate for supported and suspended suspension clamp；
The line component that carries is on the support cross arm, the lifting for pilot.
Further, the line component that carries includes drive mechanism and thread-lifting hook；
The drive mechanism is arranged on the support cross arm, for driving the thread-lifting hook to lift；
The thread-lifting hook is connected with the drive mechanism, for driving wire to lift.
Further, blocking device is provided with the thread-lifting hook, the blocking device is for preventing that it is described that wire from skidding off
Thread-lifting hook.
Further, the blocking device includes dead bolt, and described dead bolt one end is rotatablely connected with the thread-lifting hook, the other end
Abutted with the thread-lifting hook, for closing the opening of the thread-lifting hook.
Further, drive mechanism includes screw pair and handle；
The screw pair is arranged on the support cross arm and is connected with the thread-lifting hook, described for driving
Thread-lifting hook lifts；
The handle is connected with the screw pair, for driving the wire lever liter in the screw pair
Drop.
Further, the handle is ratchet handle.
Further, the line component that carries is two group, and line component is carried described in two groups and is symmetrically distributed in the strut clamp
Both sides.
Further, the strut clamp includes machete card, and described machete card one end is connected with the support cross arm, another
Hold for supporting yoke plate.
Further, stopper slot is provided with the support cross arm, is inserted at the top of the strut clamp in the stopper slot.
Further, equipotential suspension clamp, which changes instrument, also includes auxiliary fixing member, auxiliary fixing member one end peace
On the support cross arm, the other end is used for during operation in the draw ring of insertion connection yoke plate and suspension clamp.
Equipotential suspension clamp provided by the invention is changed instrument and had the advantages that：
The present invention provides a kind of equipotential suspension clamp and changes instrument, including：Support cross arm, strut clamp and put forward line group
Part；Strut clamp is arranged on support cross arm, the yoke plate for supported and suspended suspension clamp；Carry line component and be arranged on support cross arm
On, the lifting for pilot.
Equipotential suspension clamp provided by the invention change instrument with socket-clevis eye, the parallel hanging plate of suspension clamp and yoke plate at
It is final to realize the purpose for changing suspension clamp by tightening up and loosening wire as the strong point.Electricity is waited using provided by the invention
Position suspension clamp change tool changing suspension clamp workflow can be：Electric field is entered by rope ladder, starts equipotential and makees
Industry；Strut clamp is fixed on yoke plate by insulating non-polar rope transmission and the cooperation of equipotential personnel；Equipotential personnel
Adjustment carries line component and carried so as to which wire is put into line component；Stressing conditions everywhere are checked, while adjustment proposes the lifting of line component and led
Line, until suspension clamp no longer stress；Remove and change suspension clamp, check whether each bolt, pin are installed in place；Pass through tune
It is whole to propose the decline of line component pilot, while check suspension clamp and wire stressing conditions；Finally strut clamp is pulled down, completed
The replacing of suspension clamp.
Equipotential suspension clamp provided by the invention changes instrument and is applied to various sizes of yoke plate, overcomes more during operation
The problem of personnel coordinate, whole operation process only needs 2-3 people, and the manpower reduced in operation process wastes；Overall structure
It is compact, compact, light, it is easy to high-altitude equipotential live line work.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that equipotential suspension clamp provided in an embodiment of the present invention changes instrument；
Fig. 2 is the top view that equipotential suspension clamp provided in an embodiment of the present invention changes instrument.
Icon：1- support cross arms；2- strut clamps；3- carries line component；4- auxiliary fixing members；31- drive mechanisms；32- is carried
Line hook；311- screw pairs；312- handles；321- blocking devices.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Fig. 1 is the structural representation that equipotential suspension clamp provided in an embodiment of the present invention changes instrument；Fig. 2 is the present invention
The equipotential suspension clamp that embodiment provides changes the top view of instrument.
Referring to Fig.1 and 2, work is changed to equipotential suspension clamp provided in an embodiment of the present invention below in conjunction with accompanying drawing
Tool elaborates.
The embodiment provides a kind of equipotential suspension clamp to change instrument, including：Support cross arm 1, support card
Have 2 and carry line component 3；
Strut clamp 2 is arranged on support cross arm 1, the yoke plate for supported and suspended suspension clamp；
Line component 3 is carried on support cross arm 1, the lifting for pilot.
It should be noted that embodiments of the invention, which provide a kind of equipotential suspension clamp, changes instrument, including：Support is horizontal
Carry on a shoulder pole 1, strut clamp 2 and carry line component 3；Strut clamp 2 is arranged on support cross arm 1, the connection for supported and suspended suspension clamp
Plate；Line component 3 is carried on support cross arm 1, the lifting for pilot.
The equipotential suspension clamp that embodiments of the invention provide changes instrument with socket-clevis eye, the parallel hanging plate of suspension clamp
It is final to realize the purpose for changing suspension clamp by tightening up and loosening wire with being used as the strong point at yoke plate.Carried using the present invention
The workflow that the equipotential suspension clamp of confession changes tool changing suspension clamp can be：Electric field is entered by rope ladder, started
Equipotential live line work；Strut clamp 2 is fixed on yoke plate by insulating non-polar rope transmission and the cooperation of equipotential personnel；Deng
Current potential personnel adjustment carries line component 3 and carried so as to which wire is put into line component 3；Stressing conditions everywhere are checked, while adjustment carries line
The lifting lead wire of component 3, until suspension clamp no longer stress；Remove and change suspension clamp, check whether each bolt, pin are installed
In place；The pilot of line component 3 is carried by adjustment to decline, while checks suspension clamp and wire stressing conditions；Finally will support
Fixture 2 is pulled down, and completes the replacing of suspension clamp.
The equipotential suspension clamp that embodiments of the invention provide changes instrument and is applied to various sizes of yoke plate, overcomes
The problem of more personnel coordinate during operation, whole operation process only needs 2-3 people, and the manpower reduced in operation process wastes；
It is compact overall structure, compact, light, it is easy to high-altitude equipotential live line work.
Support cross arm 1 is elaborated below：
In the present embodiment, support cross arm 1 is the main body load-carrying construction of the present embodiment, and strut clamp 2 and support component are pacified
On support cross arm 1, the one side of support cross arm 1 is supported the support force of fixture 2, on the other hand undertakes and carries line component 3
Adherence pressure.
In the alternative of the present embodiment, more preferably, stopper slot, the top of strut clamp 2 are provided with support cross arm 1
Insert in stopper slot.In a kind of embodiment, support cross arm 1 can be connected by screw bolts with strut clamp 2, support cross arm
1 bottom is provided with stopper slot, and the top of strut clamp 2 is inserted in stopper slot, and the side wall of stopper slot can give strut clamp 2 to provide work
Firmly, it is possible to reduce the shearing force suffered by bolt, improve the service life of bolt.
Strut clamp 2 is elaborated below：
In the present embodiment, strut clamp 2 includes machete card, and machete card one end is connected with support cross arm 1, and the other end is used for branch
Support yoke plate.Machete card is a kind of streamlined structure upwarped slightly, is stuck in wire lower linking plate above the front end of machete card during use
Bowl bulb hanging ring on, be stuck in below the rear end of machete card at the parallel hanging plate of suspension clamp, be used for supported and suspended catenary after stable
The yoke plate of folder.The equipotential suspension clamp that the present embodiment provides changes instrument with socket-clevis eye, the parallel hanging plate of suspension clamp and connection
The strong point is used as at plate.
Elaborated below to carrying line component 3：
In the present embodiment, carrying line component 3 includes drive mechanism 31 and thread-lifting hook 32；
Drive mechanism 31 is arranged on support cross arm 1, for driving thread-lifting hook 32 to lift；
Thread-lifting hook 32 is connected with drive mechanism 31, for driving wire to lift.
It should be noted that after strut clamp 2 is stuck on the yoke plate of suspension suspension clamp, carried by the driving of drive mechanism 31
Wire is tightened up and loosened to the raising and lowering of line hook 32, thread-lifting hook 32.
In the alternative of the present embodiment, more preferably, blocking device 321, blocking device are provided with thread-lifting hook 32
321 are used to prevent wire from skidding off thread-lifting hook 32.Wire is placed in thread-lifting hook 32, and blocking device 321 closes the opening of thread-lifting hook 32,
During wire is sling or put down by thread-lifting hook 32, blocking device 321 prevents wire from skidding off thread-lifting hook 32.
In the alternative of the present embodiment, more preferably, blocking device 321 includes dead bolt, dead bolt one end and thread-lifting hook
32 rotation connections, the other end abuts with thread-lifting hook 32, for closing the opening of thread-lifting hook 32.Specifically, dead bolt and thread-lifting hook 32
Back-moving spring is provided with rotation connection, when wire is placed in thread-lifting hook 32 or is taken out from thread-lifting hook 32, by under dead bolt
Pressure, dead bolt open the opening of thread-lifting hook 32；After wire is placed in thread-lifting hook 32, dead bolt, work of the dead bolt in back-moving spring are unclamped
With lower reset, the dead bolt other end is connected on the bill of thread-lifting hook 32.
In the alternative of the present embodiment, more preferably, drive mechanism 31 includes screw pair 311 and handle 312；
Screw pair 311 is arranged on support cross arm 1 and is connected with thread-lifting hook 32, for driving 32 liters of thread-lifting hook
Drop；
Handle 312 is connected with screw pair 311, for driving the wire lever in screw pair 311 to lift.
Wherein, handle 312 is located at the upper end of leading screw, and screw pair 311 is a nut drive mechanism, and leading screw both ends are divided
It is not connected with handle 312 and thread-lifting hook 32, drives thread-lifting hook 32 to lift by the lifting of leading screw.Thread-lifting hook 32 is one and contained
The hook formation of blocking device 321, positioned at the lower section of leading screw, the lifting for pilot.
In the alternative of the present embodiment, more preferably, handle 312 is ratchet handle.
It should be noted that handle 312 is located at the upper end of leading screw, under the cooperation of ratchet, operating personnel can pass through water
Flat rotary handle 312 realizes the raising and lowering of wire lever.Can be with the height of adjusting screw bar, so as to change by handle 312
The position of thread-lifting hook 32, realize tightening up and loosening for wire.
In the alternative of the present embodiment, more preferably, line component 3 is carried as two groups, and two groups carry line component 3 and symmetrically divide
Cloth is in the both sides of strut clamp 2.
It should be noted that the equipotential suspension clamp that the present embodiment provides, which changes instrument, uses symmetrical design, its
Middle support cross arm 1 is main body load-carrying construction, is used as the fulcrum of replacing instrument stress, while ensures that the structure of replacing instrument is strong
Degree；Handle 312, wire lever, thread-lifting hook 32 are located at the both sides of support cross arm 1, symmetrical design, to improve the flat of wire stress
Weighing apparatus property；Machete is positioned in the centre of support cross arm 1, is the fulcrum of the stress of support cross arm 1；Can be with adjusting screw by handle 312
The height of bar, so as to change the position of thread-lifting hook 32, so as to which suspension clamp both sides wire to be placed in the blocking device of thread-lifting hook 32
In 321 so that wire and suspension clamp disengage, and machete card is stuck in the bowl bulb hanging ring on yoke plate, by fulcrum equalizing contactor from
Weight so that change everything goes well with your work complete.
In the alternative of the present embodiment, further, equipotential suspension clamp, which changes instrument, also includes auxiliary fixation
Part 4, the one end of auxiliary fixing member 4 are arranged on support cross arm 1, when the other end is used for operation insertion connect yoke plate and suspension clamp
In draw ring.
In the alternative of the present embodiment, more preferably, auxiliary fixing member 4 is two groups, and two groups of auxiliary fixing members 4 are right
Title is distributed in the both sides of strut clamp 2.
The equipotential suspension clamp that the present embodiment provides changes instrument, mainly includes support cross arm 1, handle 312, leading screw
The structures such as bar, thread-lifting hook 32 and machete card.By the length of the adjusting screw bar of handle 312, so as to change the height of thread-lifting hook 32,
Wire is placed in thread-lifting hook 32, passes through the machete card equalizing contactor gravity being stuck under bowl bulb hanging ring so that suspension clamp no longer by
To the pulling force of wire, reach the purpose that equipotential changes suspension clamp.Its feature be intensity it is high, it is safe and reliable, easy to operate,
It is time saving and energy saving, suspension clamp can be changed with livewire work, equipotential, it is ensured that transmission line safety reliable power supply.
In a kind of embodiment, the process for using that equipotential suspension clamp changes instrument can be：Entered by rope ladder
Enter electric field, start equipotential live line work；Machete is fixed by insulating non-polar rope transmission and the cooperation of equipotential personnel and is scheduled on
On yoke plate；The adjusting screw bar of equipotential personnel rotary handle 312 height is so that wire is put into thread-lifting hook 32；Check wire lever
Stressing conditions, while the tighten screw bar of handle 312 is used, until suspension clamp no longer stress；Remove and change suspension clamp, examine
Look into whether each bolt, pin are installed in place；Wire lever is gradually unclamped by rotary handle 312, while checks suspension clamp and leads
Line stressing conditions；Machete card is pulled down, completes to change.
The equipotential suspension clamp that embodiments of the invention provide, which changes instrument, has advantages below：(1) instrument is whole
Body design is applied to various sizes of yoke plate, applied widely；(2) structure overcomes the problem of more personnel coordinate during operation,
Whole operation process only needs 2-3 people, and the manpower reduced in operation process wastes；(3) high intensity is used in specific purpose tool
Alloy steel making, is hardly damaged, compact overall structure, compact, light, is easy to high-altitude equipotential live line work.
The equipotential suspension clamp replacing instrument of the present invention is illustrated above, still, the present invention is not limited to
Specific embodiment is stated, without departing from the scope of claim, various deformations or change can be carried out.The present invention
The various modifications being included within the scope of the claims and change.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, either which part or all technical characteristic are carried out
Equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (10)
1. a kind of equipotential suspension clamp changes instrument, it is characterised in that including：Support cross arm (1), strut clamp (2) and carry
Line component (3)；
The strut clamp (2) is arranged on the support cross arm (1), the yoke plate for supported and suspended suspension clamp；
The line component (3) that carries is on the support cross arm (1), the lifting for pilot.
2. equipotential suspension clamp according to claim 1 changes instrument, it is characterised in that described to carry line component (3) bag
Include drive mechanism (31) and thread-lifting hook (32)；
The drive mechanism (31) is arranged on the support cross arm (1), for driving the thread-lifting hook (32) to lift；
The thread-lifting hook (32) is connected with the drive mechanism (31), for driving wire to lift.
3. equipotential suspension clamp according to claim 2 changes instrument, it is characterised in that is set on the thread-lifting hook (32)
Blocking device (321) is equipped with, the blocking device (321) is used to prevent wire from skidding off the thread-lifting hook (32).
4. equipotential suspension clamp according to claim 3 changes instrument, it is characterised in that the blocking device (321)
Including dead bolt, described dead bolt one end is rotatablely connected with the thread-lifting hook (32), and the other end is abutted with the thread-lifting hook (32), is used for
Close the opening of the thread-lifting hook (32).
5. equipotential suspension clamp according to claim 2 changes instrument, it is characterised in that drive mechanism (31) includes silk
Thick stick pair of nut (311) and handle (312)；
The screw pair (311) is arranged on the support cross arm (1) and is connected with the thread-lifting hook (32), is used for
The thread-lifting hook (32) is driven to lift；
The handle (312) is connected with the screw pair (311), for driving in the screw pair (311)
Wire lever lifting.
6. equipotential suspension clamp according to claim 5 changes instrument, it is characterised in that the handle (312) is spine
Wheel handle.
7. the equipotential suspension clamp according to any one of claim 1-6 changes instrument, it is characterised in that described to carry line
Component (3) is two groups, and line component (3) is carried described in two groups and is symmetrically distributed in the strut clamp (2) both sides.
8. equipotential suspension clamp according to claim 1 changes instrument, it is characterised in that strut clamp (2) bag
Machete card is included, described machete card one end is connected with the support cross arm (1), and the other end is used to support yoke plate.
9. equipotential suspension clamp according to claim 1 changes instrument, it is characterised in that on the support cross arm (1)
Stopper slot is provided with, is inserted at the top of the strut clamp (2) in the stopper slot.
10. equipotential suspension clamp according to claim 1 changes instrument, it is characterised in that also including auxiliary fixing member
(4), described auxiliary fixing member (4) one end is arranged on the support cross arm (1), and the other end is used for insertion connection yoke plate during operation
In the draw ring of suspension clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135424.9A CN107706822A (en) | 2017-11-15 | 2017-11-15 | Equipotential suspension clamp changes instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135424.9A CN107706822A (en) | 2017-11-15 | 2017-11-15 | Equipotential suspension clamp changes instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107706822A true CN107706822A (en) | 2018-02-16 |
Family
ID=61179657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711135424.9A Pending CN107706822A (en) | 2017-11-15 | 2017-11-15 | Equipotential suspension clamp changes instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462106A (en) * | 2018-03-29 | 2018-08-28 | 国家电网公司 | Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method |
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| CN105514877A (en) * | 2016-03-04 | 2016-04-20 | 国家电网公司 | Cross arm clamp for insulator replacement of steel pipe pole of common-tower double-circuit lines |
| CN107342553A (en) * | 2017-04-14 | 2017-11-10 | 国家电网公司 | A kind of the replacing fixture and replacing options of straight line duplex V insulator strings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009278693A (en) * | 2008-05-12 | 2009-11-26 | Tokyo Electric Power Co Inc:The | Removing device of suspension clamp for earth wire |
| CN202260249U (en) * | 2011-09-23 | 2012-05-30 | 四川省电力公司达州电业局 | High-voltage transmission line raiser in live working |
| CN202423969U (en) * | 2011-12-07 | 2012-09-05 | 宜阳县电业局 | Overhead ground wire lifter |
| CN103683109A (en) * | 2013-12-26 | 2014-03-26 | 国家电网公司 | 220kV line L-LF type insulator string live replacement tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462106A (en) * | 2018-03-29 | 2018-08-28 | 国家电网公司 | Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method |
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Application publication date: 20180216 |
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| RJ01 | Rejection of invention patent application after publication |