CN105932602B - The method that three-phase conducting wire charges lifter and replaces insulator using the lifter - Google Patents
The method that three-phase conducting wire charges lifter and replaces insulator using the lifter Download PDFInfo
- Publication number
- CN105932602B CN105932602B CN201610548997.3A CN201610548997A CN105932602B CN 105932602 B CN105932602 B CN 105932602B CN 201610548997 A CN201610548997 A CN 201610548997A CN 105932602 B CN105932602 B CN 105932602B
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- Prior art keywords
- pulling plate
- insulation
- pieces
- conducting wire
- plate
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
Abstract
The present invention relates to technical field of electric power construction, especially a kind of 10kV distribution lines straightway three-phase conducting wire charges lifter, including promoting pulling plate, supporting pull plate and two pieces of insulation pulling plates, the head end of two pieces of insulation pulling plates intersects, end is individually separated, the both ends of the supporting pull plate are connect with the end of two pieces of insulation pulling plates respectively, the promotion pulling plate is connect with two pieces of insulation pulling plates in the infall of two pieces of insulation pulling plates, and the end of the lower end for promoting pulling plate and two pieces of insulation pulling plates is both provided with line hanging hook.The present invention also provides a kind of methods for replacing insulator using the lifter.The lifter of the present invention is with compact-sized, dismounting is convenient, can bear that mechanical tensile forces are big, the high feature of safety coefficient, replace 10kV three-phase linear bar pin insulators using the lifter auxiliary of the present invention or shaft tower increase, impaired straight line pole operation, it is easy to operate, it is conducive to improve operating efficiency.
Description
Technical field
The present invention relates to technical field of electric power construction, especially a kind of 10kV distribution lines straightway three-phase conducting wire electrification carries
The method for rising device and insulator being replaced using the lifter.
Background technology
Replace the common operation that three-phase pin insulator is technical field of electric power construction.Especially in filthy serious region,
Distribution line operation department needs to 10kV distribution line straight line pole charged for replacement three-phase pin insulators, to prevent circuit pollution flashover
The generation of accident.But existing replace in three-phase pin insulator operation takes that tediously long, operating efficiency is low to be lacked there are operation
Fall into, carried out using traditional livewire work method the reason is that charged for replacement three-phase pin insulator is generally taken, i.e., by
It is mutually replaced, concrete operation method is：Insulation one phase of masking, replaces a phase, then masking of insulating, then replace, and so on, instead
The time covered again accounts for the 60%-70% of entire activity duration, so that the labor intensity of operating personnel is increased, has seriously affected band
The working efficiency of electric operation.
In city, especially some old towns, the problems such as due to left over by history, it is old to there is circuit more in 10kV distribution lines
Change, unreasonable erection, the low defect of line insulation rate.Engaging portion on the outskirts of a town, electric network composition is weaker, and resident is violating the regulations in addition
Building leads to line-to-ground distance not enough, needs that the inadequate overhead line structures of house clearance will be increased.Then, hand over
Shaft tower by passway happens occasionally by situations such as Vehicular impact, and shaft tower is caused to have damage, shaft tower well damage that will threaten more
Circuit periphery life and property safety of people, therefore impaired tower bar should be replaced in time.However, in the past in processing conducting wire distance to the ground
When inadequate, clearance inadequate overhead line structures in house will can only be increased in the case of line outage, need by
When impaired shaft tower is replaced, equally can only be carried out in the case of line outage, these traditional power construction methods
It is required to interrupt the normal power supply to client, operation is restricted, and power supply reliability is greatly reduced.
In view of the defect of existing operational method, it is necessary to a kind of specific purpose tool is researched and developed, in uninterrupted power supply situation
Under relevant operation is carried out to three-phase conducting wire.
Invention content
Need to power off the limitation for carrying out operation in the prior art to overcome, and operating efficiency is low under livewire work
Defect, the present invention provide a kind of 10kV distribution lines straightway three-phase conducting wire electrification lifter, which can be used for assisting electrification
It replaces 10kV three-phase linear bar pin insulators or shaft tower increases, is damaged straight line pole operation, it is easy to operate, it is conducive to improve and makees
Industry efficiency.
The present invention provides a kind of 10kV distribution lines straightway three-phase conducting wire electrification lifter, including promotes pulling plate, support
Pulling plate and two pieces of insulation pulling plates, the head end of two pieces of insulation pulling plates intersects, end is individually separated, the supporting pull plate
Both ends are connect with the end of two pieces of insulation pulling plates respectively, the friendship for promoting pulling plate and two pieces of insulation pulling plates in two pieces of insulation pulling plates
It is connected at fork, the end of the lower end for promoting pulling plate and two pieces of insulation pulling plates is both provided with line hanging hook.
Further, there is certain distance, setting to promote pulling plate between the lower end and supporting pull plate for promoting pulling plate
The line hanging hook of lower end with that line hanging hook in insulation pulling plate end is arranged is triangle.
Specifically, the head end of the insulation pulling plate is provided with through-hole I, and the end of insulation pulling plate is provided with through-hole II, described
Promoted offered on pulling plate with the matched connecting hole I of the through-hole I, offer on the supporting pull plate and matched with the through-hole II
Connecting hole II.
Specifically, the connection type promoted between pulling plate and two pieces of insulation pulling plates is bolt-connection, the branch
It is bolt-connection to support the connection type between pulling plate and the end of two pieces of insulation pulling plates；The line hanging hook is drawn with the insulation
It is bolt-connection between plate and the promotion pulling plate.
Further, the connecting hole I opened up on pulling plate that promoted is multiple, by adjusting connecting hole I and the through-hole I
Matching relationship adjust the distance between the line hanging hook promoted on line hanging hook and insulation pulling plate on pulling plate.
Further, the connecting hole II opened up on the supporting pull plate is multiple；The insulation pulling plate end opens up logical
Hole II is multiple；It is adjusted between the line hanging hook on two pieces of insulation pulling plates by adjusting the matching relationship of connecting hole II and through-hole II
Distance.
Preferably, two pieces of insulation pulling plate structures are identical.
Preferably, the promotion pulling plate, supporting pull plate and insulation pulling plate are epoxy resins insulation plate.
Specifically, the upper end for promoting pulling plate with lifting gear for connecting.
Correspondingly, including following the present invention also provides a kind of method for replacing 10kV three-phase linear bar pin insulators
Step：
S1, distribution network live line work staff dress insulating protection apparatus, take lifting gear and reach job position, electrification
10kV distribution lines three-phase conducting wire, tower grounding part are covered, pin insulator binding wire is removed；
S2, staff charge the 10kV distribution line straightway three-phase conducting wires electrification described in installation claim 1-6 and carry
Device is risen, conducting wire L2 intermediate in three-phase conducting wire is fixed using the line hanging hook for promoting pulling plate lower end, utilizes hanging for insulation pulling plate end
Line hook fixes the conducting wire L1 and L3 of the both sides the conducting wire L2, and conducting wire L1 and L3 are strutted to both sides, the upper end for promoting pulling plate is consolidated
It is scheduled on lifting gear；
S3, operation lifting gear, lift three-phase conducting wire charge lifter, and electrification promotes 10kV distribution lines three-phase conducting wire extremely
It is suitble to height；
S4, staff replace 10kV three-phase linear bar pin insulators, after the completion of operation, remove related masking apparatus.
The invention has the advantages that：
10kV distribution lines straightway three-phase conducting wire electrification lifter provided by the invention has compact-sized, stabilization, can
Bear that mechanical tensile forces are big, the high feature of safety coefficient fixes all parts by the way of bolted on connection, convenient for lifter
Disassembly and assembly has the advantages that storage is convenient, it is small to take up space.The lifter of the present invention can be used for assisting charged for replacement 10kV tri-
Phase straight line pole pin insulator or shaft tower increase, are damaged straight line pole operation, easy to operate, are conducive to improve operating efficiency.It keeps away
Exempt from, due to the loss of supply caused by power failure operation, to improve power supply reliability, made distribution line defect elimination, has moved bar and move line and optimization
Improvement project becomes flexible, no longer sticks to have a power failure and replaces shaft tower.
Description of the drawings
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the structural schematic diagram of 10kV distribution lines straightway three-phase conducting wire electrification lifter of the present invention.
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 obtained under the premise of not making creative work it is all its
His embodiment, shall fall within the protection scope of the present invention.
Referring to Fig. 1,10kV distribution lines straightway three-phase conducting wire provided by the invention charges lifter, including promotes pulling plate
4, supporting pull plate 3 and two pieces of insulation pulling plates 1,2, the insulation pulling plate 1 and head end of insulation pulling plate 2 intersects, end is individually separated,
The both ends of the supporting pull plate 3 are connect with the end of two pieces of insulation pulling plates 1,2 respectively, and the promotion pulling plate 4 and two pieces of insulation are drawn
Plate 1,2 connects, and specifically in the infall connection of two pieces of insulation pulling plates, the upper end for promoting pulling plate 4 is used to connect with lifting gear,
The lower end for promoting pulling plate 4 is provided with line hanging hook 53, and the end of insulation pulling plate 1 is both provided with line hanging hook 51, the end of insulation pulling plate 2
It is both provided with line hanging hook 52.There is certain distance, line hanging hook 51, messenger wire between the lower end and supporting pull plate 3 for promoting pulling plate 4
Hook 52 and line hanging hook 53 are triangle.The promotion pulling plate 4, supporting pull plate 3 and insulation pulling plate 1,2 are 3240 epoxy resin
Insulation pulling plate.
The structure and size all same of insulation pulling plate 1 and insulation pulling plate 2, is illustrated with insulation pulling plate 1 below；Insulation is drawn
The head end of plate 1 is provided with through-hole I, end is provided with through-hole II, and the quantity of through-hole I and through-hole II are multiple.The promotion is drawn
Offered on plate 4 with the matched connecting hole I of the through-hole I, offer and the matched companies of through-hole II on the supporting pull plate 3
The quantity for meeting hole II, connecting hole I and connecting hole II is multiple.
The connection type promoted between pulling plate 4 and the insulation pulling plate 1 and insulation pulling plate 2, the supporting pull plate 3 with
Connection type between insulation pulling plate 1 and the end of insulation pulling plate 2 is bolt-connection.It is drawn with the insulation with promoting pulling plate 4
Illustrate for connection type between plate 1 and insulation pulling plate 2, insulation pulling plate 1, insulation pulling plate 2 and promotion pulling plate 4 are leaned against one
It rises, the connecting hole I for making the through-hole I on insulation pulling plate 1, the through-hole I on insulation pulling plate 2 and being promoted on pulling plate 4 is overlapped, then by bolt
Across the hole of the coincidence, upper gasket is then covered, tightens nut, the present invention uses plain bolt bind mode, thus insulation pulling plate 1
End with insulation pulling plate 2 being capable of freely activity.Further, 1 end of insulation pulling plate and insulation are fixed using supporting pull plate 3
The distance of 2 end of pulling plate, and enhance mechanical strength, concrete methods of realizing is：By the connecting hole II of 3 left end of supporting pull plate and insulation
Through-hole II alignment on pulling plate 1 overlaps, and bolt is passed through to the hole of the coincidence, upper gasket is then covered, tightens nut；Support is drawn again
The connecting hole II of 3 right end of plate is aligned with the through-hole II on insulation pulling plate 1 and overlaps, and bolt is passed through to the hole of the coincidence, is then put on
Washer tightens nut.
Since the through-hole I opened up on insulation pulling plate 1 and insulation pulling plate 2 is multiple, the connecting hole I promoted on pulling plate 4 is also
It is multiple, then, by adjusting the alignment coincidence relation of through-hole I and connecting hole I, then it can change the line hanging hook 53 promoted on pulling plate
With the line hanging hook 51, the distance between 52 on insulation pulling plate.Similarly, since the connecting hole II opened up on supporting pull plate 3 is more
It is a；The through-hole II that insulation pulling plate 1 and 2 end of insulation pulling plate open up is multiple, then by adjusting of connecting hole II and through-hole II
Can vary in relationship the line hanging hook 51 promoted on line hanging hook 53 and insulation pulling plate on pulling plate, the distance between 52, with
And the distance between line hanging hook 51 and line hanging hook 52.
Further, between the line hanging hook 51,52 and insulation pulling plate 1,2 also be bolt-connection, line hanging hook 53 with carry
Also it is bolt-connection between liter pulling plate 4, in order to store and replace line hanging hook.
The lifter of the present invention is straight according to 10kV distribution lines using 3240 epoxy resins insulation pulling plates as predominating insulation
The actual size processing of line bar three-phase conducting wire arrangement mode is assembled into spandrel frame, and three vertex of spandrel frame are used respectively
M12 bolts are attached；Three line hanging hooks 51,52,53 are also attached with M12 bolts；The upper end and insulation for promoting pulling plate 4 are struggled against
The suspension hook of arm vehicle suspension hook or crane connects, and three line hanging hooks fix three-phase conducting wire, by operating aerial lift device with insulated arm suspension hook or hanging
The suspension hook of vehicle generates tractive force, can achieve the purpose that lift three-phase conducting wire with lift three-phase conduction wire riser.
Lifter provided by the invention, from 10kV distribution line straight line section leads by the maximum conducting wire JKLYJ- being likely encountered
240 insulated conductors consider that vertical span is designed by 200m, and vertical load 7.2kN, safety coefficient takes 2.5, maximum lift load
It is main material that 18kN, 10kV distribution line straightway three-phase conducting wire electrification lifter, which select 3240 epoxy resins insulation pulling plates,
Fully apply 3240 epoxy resins insulation function admirables, the characteristics of high mechanical strength, 3240 epoxy resin planks 10 × 50 ×
1300mm maximums can bear mechanical tensile forces and reach 30kN, and M12 connection bolt maximums can bear mechanical tensile forces and reach 30kN, fixed conducting wire
It is 30kN that three line hanging hooks, which select specified mechanical load, and line hanging hook opening C≤240 have fully ensured the safety of livewire work.
Illustrate the method that lifter using the present invention carries out replacing 10kV three-phase linear bar pin insulators below.The party
Method includes the following steps：
S1, distribution network live line work staff dress insulating protection apparatus, take aerial lift device with insulated arm and reach job position, profit
With conducting wire mask, insulated target, electric pole mask, band electric screen 10kV distribution lines three-phase conducting wire, tower grounding part are removed
Pin insulator binding wire；
S2, staff charge installation lifter, are fixed using the line hanging hook for promoting pulling plate lower end intermediate in three-phase conducting wire
Conducting wire L2, the conducting wire L1 and L3 of the both sides the conducting wire L2 are fixed using the line hanging hook of insulation pulling plate end, by conducting wire L1 and L3
It struts, the upper end for promoting pulling plate is fixed on the suspension hook of aerial lift device with insulated arm suspension hook or crane to both sides；
S3, operation aerial lift device with insulated arm or crane, lift three-phase conducting wire charge lifter, and electrification promotes 10kV distribution lines three
Phase conductor is to suitable height；
S4, staff replace 10kV three-phase linear bar pin insulators, after the completion of operation, remove related masking apparatus.
Certainly, shaft tower increases operation or the operating procedure of replacement straight line pole operation is consistent with above-mentioned steps S1-S3.
In the past when progress 10kV line linear shaft towers increase, impaired straight line pole is replaced, grid switching operation is first carried out, it will
10kV line outages, electrical verification, hanging earthing conductor could carry out operation, thus be bound to interrupt the normal power supply to client, significantly
Reduce power supply reliability.10kV circuits are carried out using the 10kV distribution line straightway three-phase conducting wires electrification lifter of the present invention
When straight line pole increases, impaired straight line pole is replaced, electrical body and grounding body are first subjected to insulation masking, then by the three-phase of electrification
After conducting wire integrally promotes suitable position, stood up shaft tower instead of steel wire rope with Di Nima ropes, in the shape of 10kV circuit normal power supplies
Shaft tower is carried out under state to increase, be damaged straight line pole operation, is avoided due to the loss of supply caused by power failure operation, is improved power supply
Reliability improves equipment safety operation level.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, equivalent variations made by claim, are still within the scope of the present invention according to the present invention.
Claims (6)
1. a kind of 10kV distribution lines straightway three-phase conducting wire charges lifter, which is characterized in that including promoting pulling plate (4), branch
Pulling plate (3) and two pieces of insulation pulling plates are supportted, the head end of two pieces of insulation pulling plates intersects, end is individually separated, the support
The both ends of pulling plate (3) are connect with the end of two pieces of insulation pulling plates respectively, and the promotion pulling plate (4) is with two pieces of insulation pulling plates at two pieces
The infall of insulation pulling plate connects, and the end of the lower end for promoting pulling plate (4) and two pieces of insulation pulling plates, which is both provided with, hangs
Line hook；There is certain distance, setting to promote pulling plate (4) lower end between the lower end and supporting pull plate (3) for promoting pulling plate (4)
Line hanging hook with that line hanging hook in insulation pulling plate end is arranged is triangle；
The head end of the insulation pulling plate is provided with through-hole I, and the end of insulation pulling plate is provided with through-hole II, the promotion pulling plate (4)
On offer with the matched connecting hole I of the through-hole I, offer and the matched companies of through-hole II on the supporting pull plate (3)
Meet hole II；
The connecting hole I opened up on pulling plate (4) that promoted is multiple, by adjusting the matching relationship of connecting hole I and the through-hole I
To adjust the distance between the line hanging hook promoted on line hanging hook and insulation pulling plate on pulling plate；
The connecting hole II opened up on the supporting pull plate (3) is multiple；The through-hole II that the insulation pulling plate end opens up is multiple；
The distance between the line hanging hook on two pieces of insulation pulling plates is adjusted by adjusting the matching relationship of connecting hole II and through-hole II.
2. 10kV distribution lines straightway three-phase conducting wire according to claim 1 charges lifter, which is characterized in that described
It is bolt-connection, the supporting pull plate (3) and two pieces of institutes to promote the connection type between pulling plate (4) and two pieces of insulation pulling plates
It is bolt-connection to state the connection type between the end of insulation pulling plate；The line hanging hook is drawn with the insulation pulling plate and the promotion
It is bolt-connection between plate.
3. 10kV distribution lines straightway three-phase conducting wire according to claim 1 or 2 charges lifter, which is characterized in that
Two pieces of insulation pulling plate structures are identical.
4. 10kV distribution lines straightway three-phase conducting wire according to claim 3 charges lifter, which is characterized in that described
It is epoxy resins insulation plate to promote pulling plate (4), supporting pull plate (3) and insulation pulling plate.
5. 10kV distribution lines straightway three-phase conducting wire according to claim 3 charges lifter, which is characterized in that described
The upper end of pulling plate (4) is promoted for being connect with lifting gear.
6. a kind of method for replacing 10kV three-phase linear bar pin insulators, which is characterized in that include the following steps：
S1, distribution network live line work staff dress insulating protection apparatus, take lifting gear and reach job position, band electric screen
Pin insulator binding wire is removed in 10kV distribution lines three-phase conducting wire, tower grounding part；
S2, staff charge the 10kV distribution line straightway three-phase conducting wires described in any one of installation claim 1-5
Lifter is charged, the line hanging hook and the insulation that are promoted on pulling plate are adjusted by adjusting the matching relationship of connecting hole I and the through-hole I
The distance between line hanging hook on pulling plate adjusts two pieces of insulation pulling plates by adjusting the matching relationship of connecting hole II and through-hole II
On the distance between line hanging hook；Conducting wire L2 intermediate in three-phase conducting wire is fixed using the line hanging hook for promoting pulling plate lower end, is utilized
The line hanging hook of insulation pulling plate end fixes the conducting wire L1 and L3 of the both sides the conducting wire L2, and conducting wire L1 and L3 are strutted to both sides, will
The upper end for promoting pulling plate is fixed on lifting gear；
S3, operation lifting gear, lift three-phase conducting wire charge lifter, electrification promoted 10kV distribution lines three-phase conducting wire to be suitble to
Highly；
S4, staff replace 10kV three-phase linear bar pin insulators, after the completion of operation, remove related masking apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548997.3A CN105932602B (en) | 2016-07-13 | 2016-07-13 | The method that three-phase conducting wire charges lifter and replaces insulator using the lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548997.3A CN105932602B (en) | 2016-07-13 | 2016-07-13 | The method that three-phase conducting wire charges lifter and replaces insulator using the lifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105932602A CN105932602A (en) | 2016-09-07 |
| CN105932602B true CN105932602B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610548997.3A Active CN105932602B (en) | 2016-07-13 | 2016-07-13 | The method that three-phase conducting wire charges lifter and replaces insulator using the lifter |
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| CN (1) | CN105932602B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425466A (en) * | 2017-06-05 | 2017-12-01 | 国网辽宁省电力有限公司营口供电公司 | Wire lifts insulating support and its application method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201199612Y (en) * | 2008-03-28 | 2009-02-25 | 安徽省电力公司滁州供电公司 | Insulating cross-arm raiser for 10kV distributing line |
| CN102684108A (en) * | 2012-05-18 | 2012-09-19 | 辽宁省电力有限公司鞍山供电公司 | Electrified repairing method for 10kV line aerial conductors and insulating wire lifter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616664U (en) * | 2012-05-18 | 2012-12-19 | 辽宁省电力有限公司鞍山供电公司 | Insulation wire lifter |
| CN103683090B (en) * | 2013-11-15 | 2017-01-04 | 国网山东省电力公司青岛供电公司 | A kind of Double-bundle conductor lifter |
| CN204588434U (en) * | 2015-05-05 | 2015-08-26 | 林名楠 | Circuit is charged upgrades device for hoisting for the two division of a kind of high voltage power transmission |
| CN105375386A (en) * | 2015-11-19 | 2016-03-02 | 国网河南伊川县供电公司 | Wire lifting device employing double pull rods |
| CN205791238U (en) * | 2016-07-13 | 2016-12-07 | 云南电网有限责任公司红河供电局 | A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire |
-
2016
- 2016-07-13 CN CN201610548997.3A patent/CN105932602B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201199612Y (en) * | 2008-03-28 | 2009-02-25 | 安徽省电力公司滁州供电公司 | Insulating cross-arm raiser for 10kV distributing line |
| CN102684108A (en) * | 2012-05-18 | 2012-09-19 | 辽宁省电力有限公司鞍山供电公司 | Electrified repairing method for 10kV line aerial conductors and insulating wire lifter |
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| CN105932602A (en) | 2016-09-07 |
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