CN106058771B - A kind of distribution network overhead line deicer - Google Patents
A kind of distribution network overhead line deicer Download PDFInfo
- Publication number
- CN106058771B CN106058771B CN201610413351.4A CN201610413351A CN106058771B CN 106058771 B CN106058771 B CN 106058771B CN 201610413351 A CN201610413351 A CN 201610413351A CN 106058771 B CN106058771 B CN 106058771B
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- housing
- deicing
- distribution network
- rotating cylinder
- shaft
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Classifications
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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
- H02G7/16—Devices for removing snow or ice from lines or cables
-
- 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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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a kind of distribution network overhead line deicers, including insulating bar and the housing being arranged on insulating bar, drive shaft is equipped in the housing, the housing, which is equipped with, stretches out the deicing shovel that housing moves up and down, the drive shaft is equipped with the eccentric wheel that driving deicing shovel moves up and down, the housing is equipped with deicing guidance route and protects machine, the deicing guidance route protection mechanism includes the connecting rod being arranged on housing and the shaft for being arranged on connecting rod free end, rotating cylinder is set in the shaft, idler wheel is set on the rotating cylinder, the idler wheel side is equipped with the groove to match with the conducting wire after icing, the rotating cylinder is connect with drive shaft by transmission mechanism.Without having a power failure in ice detachment, high-voltage electricity will not damage operating personnel the device.
Description
Technical field
The present invention relates to electric power transmission line deicing equipment technical field, more particularly to a kind of distribution network overhead line deicing dress
It puts and de-icing method.
Background technology
With the fast development of China's power industry, grid area coverage constantly expands, and circuit passes through different
Geographical environment, some areas often meet with low temperature, ice and snow or the weather of frost, generate heat, cause since high-voltage line conveys electric energy
Make attached ice-out on the line, but since atmospheric temperature is less than zero degree, air humidity is bigger, and the ice of thawing can coagulate rapidly
It build-ups ice so that icing rate is more than to melt speed, causes icing more and more.Serious high-voltage line icing can cause tower bar to be fallen
It collapses, conductor galloping, broken string, insulator arc-over and ice-shedding etc., causes the accidents such as line tripping, power failure, these can give
National grid causes serious economic loss, can also cause serious influence to social production and people's lives.
It is adversely affected caused by transmission line of electricity to mitigate ice disaster, has carried out various clearing ice technology researchs both at home and abroad
Work.Domestic and international de-icing method has more than 30 to plant, and is essentially divided into two kinds of mechanical deicing's method and thermal ice-melting method.Mechanical deicing side
Method has strength lash method, pulley one-lick, and this method is cheap, but expends a large amount of man power and materials, and deicing efficiency is low；Heat
Power ice-melt mainly has the methods of three-phase shortcircuit ice-melt, on-load ice-melt, safe except speed of icing is fast compared with mechanical deicing,
Local line is only used for, but traditional mechanism of mechanical deicing or deicing device be easy to cause traumatic damage to power line,
The service life of power transmission line is seriously affected for a long time.It is maximally efficient generally with deicing of manually reaching the standard grade for serious wire icing, but
Artificial deicing danger is very high and less efficient.In addition, transmission system is a system with highfield, long-time work
Make in highfield, human body will be encroached on by electromagnetic radiation.
Traditional mechanical deicing's device, a kind of deicing high-voltage power transmission line robot as disclosed in CN201410739538.4
Mechanism belongs to mechanical engineering field.The purpose of the present invention is replacing artificial working at height, working efficiency is improved, reduces personnel's wound
Die accident rate.Robot body structure is by deicing tool, walking mechanism, barrier getting over mechanism, transmission system and camera unit five
Part forms.Deicing tool realizes deicing by deicing grinding wheel and except ice hammer forms, using cutting and hitting combination.Obstacle detouring machine
Structure is integrated with walking mechanism, also ensures that mechanism walks on line while realizing robot obstacle crossing function.Transmission system
It is made of three drive paths, realizes that power transmits using gear engagement system.Camera unit is then ground Real-time Feedback device
Working condition, it is ensured that the accuracy and reliability of work, the communication control system on ground to robot can also exist
Line fault diagnosis and remote control.A kind of removing ice of power transmission line snow system disclosed in CN201310467828.3, in two shaft towers
Between be provided with power transmission cable, it is vertical with every shaft tower between two shaft towers to be provided with first crossbeam and second cross beam,
The vertical direction of first crossbeam and second cross beam is provided with vertical beam by four groups of pulleys, passes through two groups of cunnings respectively at the both ends of vertical beam
Wheel moves on first crossbeam and second cross beam, is provided with the snow removing case moved on vertical beam by electronic pulley on vertical beam,
Bending-type stent is internally provided in snow removing case, is fixedly connected in the lower end of bending-type stent and is scraped what cable was wiped off
Plate is fixedly connected with stent at the node of bending-type stent, behind bending-type stent, and hairiness is connected in the lower end of stent
Brush is provided with distribution box on the outside of snow removing case.Device for expelling ice and snow of the present invention is soft, does not injure cable, and worker is avoided directly to make
Industry securely and reliably, ensure that winter power grid normal operation, of low cost, using simple.For another example CN201210535045.X is disclosed
Electric device snow-blowing and deicing device, including walker, the side wall setting of walker lateral opening sets control on walker
Device, heater box, driving wheel and the first contact roller, the interior setting motor of control cabinet, walker open up vertical the first sliding groove, the first pressure
The wheel shaft periphery setting slide bearing assembly of bearing up pulley, one end of the housing top connecting spring of bearing, the other end of spring and the
It is fixedly connected at the top of one sliding slot, spring is always to one downward power of bearing, and heater box is installed in walker bottom, heater box
One end sets wind turbine, heater box other end setting discharge pipe, the interior installation heating wire of heater box.The present invention is mounted on the transmissions of electricity such as cable
It on circuit, walks along transmission line of electricity, the ice and snow on circuit is blown away by the air of heating, makes ice dissolution, using soft side
Formula removes ice and snow, and working efficiency increases, and snow-blowing and deicing effect is good, and cleaning speed is fast, and course of work safety and stability, avoids
Artificial direct operation ensures winter power grid normal operation.Although above-mentioned traditional deicing device can be by ice-out, it is not
Know that part is：Deicing device easily damages high voltage transmission line, and what is more important needs power failure operation, needs first to stop
Electricity, then above equipment is mounted on transmission line of electricity, it generally requires and at least has a power failure 70 minutes, then push away lock power transmission, after deicing, stop
It needs to remove above equipment after electricity, needs power transmission again, it is time-consuming, seriously affect electrical stability.
Invention content
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of distribution network overhead line deicing dresses
It puts, without having a power failure in ice detachment, high-voltage electricity will not damage operating personnel the device.
In order to achieve the above objectives, the present invention uses following technical scheme：A kind of distribution network overhead line deicer, including exhausted
Edge bar and the housing being arranged on insulating bar, the housing is interior to be equipped with drive shaft, and the housing is equipped with to stretch out on housing and move down
Dynamic deicing shovel, the drive shaft are equipped with the eccentric wheel that driving deicing shovel moves up and down, and the housing is oriented to equipped with deicing
Route protection machine, the deicing guidance route protection mechanism include the connecting rod being arranged on housing and are arranged on connecting rod free end
Shaft is set with rotating cylinder in the shaft, and idler wheel is set on the rotating cylinder, and the idler wheel side is equipped with and the conducting wire after icing
The groove to match, the rotating cylinder are connect with drive shaft by transmission mechanism, the drive shaft of the transmission mechanism and foot-operated driving
By belt transmission, the pedal drive mechanism includes the seat being arranged on insulating bar and is arranged on the company of rotation on insulating bar for mechanism
The footboard drives axis connect, the footboard drives axis both ends are equipped with foot pedal.
Further, the transmission mechanism includes top steering mechanism and is driven with top steering mechanism by flexible adjustment
The lower part steering mechanism of mechanism connection.
Further, the top steering mechanism includes the upper bevel gear being sleeved on rotating cylinder and the lower cone tooth being engaged with
Wheel.
Further, the flexible adjustment transmission mechanism includes the upper drive link being connect with lower bevel gear and is sleeved on upload
Lever and the underdrive bar connected by axis pin.
Further, the lower part steering mechanism includes being arranged on the gear of underdrive bar lower end and be engaged with gear
The lower gear of suit on the driving shaft.
Further, several pin holes are equipped on the upper drive link and underdrive bar.
Further, the upper drive link is equipped with upper drive link righting guide sleeve, and the underdrive bar passes under being equipped with
Lever righting guide sleeve.
Further, wear-resisting anti-fever rubber layer is equipped in the groove.
Further, the shaft is equipped with idler wheel deicing shovel aligning guide.
Further, the shaft is equipped with the nut for fixed idler whell.
Further, the blade direction of the deicing shovel is parallel with power transmission line.
Further, after the deicing shovel moves up distance of the blade of rear deicing shovel apart from roller groove more than freezing
Diameter of wire.
Further, the slip armature lower end is equipped with limited block.
Further, the housing is equipped with for adjusting roller groove to the adjustment mechanism of the blade of deicing shovel, described
Adjustment mechanism includes the slide cartridge being arranged on housing and the connecting rod slided up and down in slide cartridge, and the slide cartridge is equipped with and is used for
The bolt of fixed connecting rod.
Further, the wear-resisting anti-fever rubber layer is made of the raw material of following parts by weight, nitrile rubber 90~100
Part, 10~20 parts of butadiene-styrene rubber, 3~5 parts of aluminium oxide, 30~50 parts of zeolite powder, carbon black N660：5~10 parts, ethyoxyl be modified it is poly-
7~11 parts of trisiloxanes, 3~6 parts of stearic acid, 5~7 parts of nylon fiber.
A kind of distribution network overhead line deicer de-icing method, includes the following steps：
1）It checks wire diameter dimensions, observes conductor glaze formation thickness, choose the rolling to match with the diameter of wire after icing
Wheel, the groove of idler wheel can be stuck on the conducting wire after freezing；
2）Connecting rod is adjusted, after deicing shovel is made to move up distance of the blade of rear deicing shovel apart from roller groove more than freezing
Diameter of wire；
3）After adjustment rotating cylinder makes idler wheel corresponding with deicing cutting edge, fixing bolt and nut are tightened；
4）Insulating bar is fixed under housing, the groove of idler wheel is stuck on transmission line of electricity, is powered on, above and below deicing shovel
It moves back and forth, the icing on conducting wire is impacted, insulating bar is pulled to remove icing on conducting wire.
The deicing shovel moves up distance of the blade of rear deicing shovel apart from roller groove as L, and the conducting wire after icing is straight
Diameter is l, L-l=0.1~3mm.
Deicing principle：Operator sits on the seat pedal pedal, drives drive shaft turns, drives the rotation of underdrive bar, passes down
Lever drives upper drive rod rotation, and upper drive link drives drum rotation, and rotating cylinder drives idler wheel rotation, so as to which driving device is in conducting wire
Upper movement；Drive shaft band movable eccentric wheel rotates, and eccentric wheel drives deicing length to pump, and effectively carries out deicing.
The device of the invention is hung on conducting wire, and idler wheel plays good guiding role simultaneously, easy to operate；The knife of deicing shovel
Distance of the sword apart from roller groove is always slightly larger than diameter of wire after freezing, and the blade of deicing shovel always cannot in impact process
Conducting wire is touched, therefore any damage will not be caused, and present apparatus light weight damages minimum to conducting wire, utilizes insulating bar in conducting wire
It can high-voltage hot-line work；The present invention can carry out replacement idler wheel, then make the knife of deicing shovel by adjusting connecting rod according to the thickness of icing
Sword cannot touch conducting wire always, will not damage wires.
The present invention attempts to introduce the poly- trisiloxanes of ethyoxyl modification into rubber for the first time, and making rubber layer, surface is oozed at work
Go out silicone oil, help frictional contact surface lubrication, so as to reduce the service life that frictional force extends rubber layer.What is more important rubber
Using 5 hours, the ice adhered on conducting wire will not melt the continuous friction of layer, so as to which little water will not be infected on housing and insulating bar,
Live-working safety just has flow on housing, serious shadow after ten minutes using rubber of the prior art and conducting wire friction
Ring the safety of deicing.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments：
Fig. 1 is the structure diagram of the present invention.
Specific embodiment
Embodiment 1：
As shown in Figure 1, a kind of distribution network overhead line deicer, including insulating bar 16 and the shell being arranged on insulating bar 16
Body 8, the housing 8 is interior to be equipped with drive shaft, and the housing, which is equipped with, stretches out the deicing shovel 7 that housing moves up and down, the drive shaft
14 are equipped with the eccentric wheel 15 that driving deicing shovel moves up and down, and the housing 8 is equipped with deicing guidance route and protects machine, described to remove
Ice guidance route protection mechanism includes the connecting rod 19 being arranged on housing 8 and the shaft 17 for being arranged on 19 free end of connecting rod, described
Rotating cylinder 4 is set in shaft, idler wheel is set on the rotating cylinder, 1 side of idler wheel is equipped with and 21 phase of conducting wire after icing
The groove 20 matched, the rotating cylinder 4 are connect with drive shaft by transmission mechanism, the drive shaft of the transmission mechanism and foot-operated driving machine
Structure is driven by belt 23, and the pedal drive mechanism includes the seat 24 being arranged on insulating bar and be arranged on insulating bar to rotate
The footboard drives axis 25 of connection, the footboard drives axis both ends are equipped with foot pedal 26.
The transmission mechanism includes top steering mechanism and is turned to the lower part connected therewith by flexible adjustment transmission mechanism
Mechanism.
Belt both ends activity docking, facilitates adjusting elasticity.
The top steering mechanism includes the upper bevel gear 3 being sleeved on rotating cylinder and the lower bevel gear 9 being engaged with.
The flexible adjustment transmission mechanism includes the upper drive link 10 being connect with lower bevel gear and is sleeved on upper drive link simultaneously
The underdrive bar 11 connected by axis pin.
The lower part steering mechanism includes being arranged on the gear of 11 lower end of underdrive bar and is mounted in gear engaging sleeve
Lower gear in drive shaft.
Several pin holes are equipped on the upper drive link and underdrive bar.
The upper drive link is equipped with upper drive link righting guide sleeve 22, and the underdrive bar is equipped with underdrive bar righting
Guide sleeve 12.
The housing is equipped with deicing shovel guide sleeve 13.Without using external power supply, more safety and environmental protection is used.
Wear-resisting anti-fever rubber layer 2 is equipped in the groove 20, it is good using special (purpose) rubber layer wear-resisting property, and rubbed
Inner hollow connectivity structure in journey, air can enter internal, good cooling results, and frictional heating amount is small.
The shaft is equipped with idler wheel deicing shovel aligning guide.
The shaft 17 is equipped with the nut 18 for fixed idler whell, and the groove of idler wheel is made to be directed at deicing convenient for adjusting idler wheel
Shovel, has a wide range of application.
The blade direction of the deicing shovel is parallel with power transmission line, and ice is rolled on conducting wire, and blade is parallel with conducting wire, convenient for by ice
It cuts.
It is straight that the deicing shovel moves up the conducting wire that distance of the blade of rear deicing shovel 7 apart from roller groove is more than after freezing
Diameter will not switch to conducting wire.
The housing is equipped with to adjust roller groove to the adjustment mechanism of the blade of deicing shovel, the adjustment mechanism packet
The slide cartridge 5 being arranged on housing and the connecting rod 19 slided up and down in slide cartridge are included, the slide cartridge is equipped with to be connected for fixed
The bolt 6 of bar facilitates and adjusts blade and the distance of groove lower part, can cut the wire icing of different-diameter.
It is described it is wear-resisting it is anti-fever rubber layer be made of the raw material of following parts by weight, 90 parts of nitrile rubber, 10 parts of butadiene-styrene rubber,
3 parts of aluminium oxide, 30 parts of zeolite powder, carbon black N660：5 parts, ethyoxyl be modified poly- 7 parts of trisiloxanes, 3 parts of stearic acid, nylon fiber 5
Part.
Deicing principle：Operator sits on the seat pedal pedal, drives drive shaft turns, drives the rotation of underdrive bar, passes down
Lever drives upper drive rod rotation, and upper drive link drives drum rotation, and rotating cylinder drives idler wheel rotation, so as to which driving device is in conducting wire
Upper movement；Drive shaft band movable eccentric wheel rotates, and eccentric wheel drives deicing length to pump, and effectively carries out deicing.
A kind of distribution network overhead line deicer de-icing method, includes the following steps：
1）It checks wire diameter dimensions, observes conductor glaze formation thickness, choose the rolling to match with the diameter of wire after icing
Wheel, the groove of idler wheel can be stuck on the conducting wire after freezing；
2）Connecting rod is adjusted, after deicing shovel is made to move up distance of the blade of rear deicing shovel apart from roller groove more than freezing
Diameter of wire；
3）After adjustment rotating cylinder makes idler wheel corresponding with deicing cutting edge, fixing bolt and nut are tightened；
4）Insulating bar is fixed under housing, the groove of idler wheel is stuck on transmission line of electricity, is powered on, above and below deicing shovel
It moves back and forth, the icing on conducting wire is impacted, insulating bar is pulled to remove icing on conducting wire.
The deicing shovel moves up distance of the blade of rear deicing shovel apart from roller groove as L, and the conducting wire after icing is straight
Diameter is l, L-l=0.1mm.
Embodiment 2 is with 1 distinguishing feature of embodiment：
The wear-resisting anti-fever rubber layer is made of the raw material of following parts by weight, 100 parts of nitrile rubber, butadiene-styrene rubber 20
Part, 5 parts of aluminium oxide, 50 parts of zeolite powder, carbon black N660：10 parts, ethyoxyl be modified poly- 11 parts of trisiloxanes, 6 parts of stearic acid, nylon
7 parts of fiber.
The deicing shovel moves up distance of the blade of rear deicing shovel apart from roller groove as L, and the conducting wire after icing is straight
Diameter is l, L-l=3mm.
3 embodiment of embodiment, 1 distinguishing feature is：
It is described it is wear-resisting it is anti-fever rubber layer be made of the raw material of following parts by weight, 95 parts of nitrile rubber, 15 parts of butadiene-styrene rubber,
4 parts of aluminium oxide, 40 parts of zeolite powder, carbon black N660：8 parts, ethyoxyl be modified poly- 9 parts of trisiloxanes, 5 parts of stearic acid, nylon fiber 6
Part.
The deicing shovel moves up distance of the blade of rear deicing shovel apart from roller groove as L, and the conducting wire after icing is straight
Diameter is l, L-l=2mm.
Embodiment 4 and embodiment 3 difference lies in：Rubber layer of the prior art is equipped in the groove, is used
CN201510049051.8Disclosed rubber.
The present invention can carry out replacement idler wheel according to the thickness of icing, then not make the blade of deicing shovel always not by adjusting connecting rod
Conducting wire can be touched, it will not damage wires.The present invention attempts to introduce the poly- trisiloxanes of ethyoxyl modification into rubber for the first time, makes rubber
Glue-line at work surface exudation silicone oil, help frictional contact surface lubrication, so as to reduce frictional force extend rubber layer use the longevity
Life.What is more important is continuously rubbed using the rubber layer of embodiment 1-3 using 5 hours, and the ice adhered on conducting wire will not melt,
So as to be infected with little water on housing and insulating bar, live-working safety uses CN201510049051.8Disclosed rubber
Flow is just had after ten minutes on housing with conducting wire friction, seriously affects the safety of deicing.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this field is common
Other modifications or equivalent replacement that technical staff makes technical scheme of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of distribution network overhead line deicer, it is characterised in that：Including insulating bar and the housing being arranged on insulating bar, institute
It states and drive shaft is equipped in housing, the housing, which is equipped with, stretches out the deicing shovel that housing moves up and down, and the drive shaft, which is equipped with, drives
The eccentric wheel that dynamic deicing shovel moves up and down, the housing are equipped with deicing guidance route protection mechanism, the deicing guidance route
Protection mechanism includes the connecting rod being arranged on housing and the shaft for being arranged on connecting rod free end, and rotating cylinder is set in the shaft,
Idler wheel is set on the rotating cylinder, the idler wheel side is equipped with the groove to match with the conducting wire after icing, and the rotating cylinder is with driving
Moving axis is connected by transmission mechanism, and the drive shaft and pedal drive mechanism of the transmission mechanism are described foot-operated by belt transmission
Driving mechanism includes the seat being arranged on insulating bar and is arranged on the footboard drives axis being rotatablely connected on insulating bar, described foot-operated
Plate drive shaft both ends are equipped with foot pedal, and the transmission mechanism includes top steering mechanism and adjusted with top steering mechanism by flexible
The lower part steering mechanism of whole transmission mechanism connection, the top steering mechanism include the upper bevel gear being sleeved on rotating cylinder and therewith
The lower bevel gear of engagement, the flexible adjustment transmission mechanism include the upper drive link being connect with lower bevel gear and are sleeved on upper transmission
Bar and by axis pin connect underdrive bar, the lower part steering mechanism include be arranged on underdrive bar lower end gear and with
The lower gear of gear engaging sleeve dress on the driving shaft.
2. distribution network overhead line deicer as described in claim 1, it is characterised in that：Wear-resisting anti-hair is equipped in the groove
Hot rubber layer.
3. distribution network overhead line deicer as claimed in claim 2, it is characterised in that：The blade direction of the deicing shovel with
Power transmission line is parallel.
4. distribution network overhead line deicer as claimed in claim 3, it is characterised in that：The deicing shovel removes after moving up
Distance of the blade of ice scraper apart from roller groove is more than the diameter of wire after freezing.
5. distribution network overhead line deicer as claimed in claim 4, it is characterised in that：The housing is equipped with to adjust
To the adjustment mechanism of the blade of deicing shovel, the adjustment mechanism includes being arranged on slide cartridge on housing and positioned at slide cartridge roller groove
The interior connecting rod slided up and down, the slide cartridge are equipped with the bolt for fixing connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413351.4A CN106058771B (en) | 2016-06-14 | 2016-06-14 | A kind of distribution network overhead line deicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413351.4A CN106058771B (en) | 2016-06-14 | 2016-06-14 | A kind of distribution network overhead line deicer |
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| Publication Number | Publication Date |
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| CN106058771A CN106058771A (en) | 2016-10-26 |
| CN106058771B true CN106058771B (en) | 2018-06-22 |
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| CN201610413351.4A Active CN106058771B (en) | 2016-06-14 | 2016-06-14 | A kind of distribution network overhead line deicer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106584478A (en) * | 2016-12-23 | 2017-04-26 | 中州大学 | Multifunctional wire type automatic online detection robot |
| CN107039917B (en) * | 2017-03-31 | 2018-08-24 | 国家电网公司 | Carbon fiber composite core wire on-line monitoring system and operation and maintenance device |
| CN107046255B (en) * | 2017-05-04 | 2018-08-24 | 红旗电缆电器仪表集团有限公司 | A kind of overhead transmission line de-icing method based on robot |
| CN106911113B (en) * | 2017-05-04 | 2018-06-26 | 湖南理工学院 | Icing sweeping robot applied to overhead power transmission line |
| CN107611906B (en) * | 2017-10-24 | 2019-10-25 | 泉州市念芝工业设计有限公司 | A kind of deicing of high-voltage wires equipment |
| CN107910841B (en) * | 2017-11-02 | 2020-07-28 | 国家电网公司 | Snow and ice removing apparatus |
| CN111162497B (en) * | 2020-01-21 | 2021-07-20 | 上海电力大学 | Single-motor-driven high-voltage wire mechanical deicing robot |
| CN111106571B (en) * | 2020-03-10 | 2021-05-14 | 国网山东省电力公司龙口市供电公司 | Transmission line clearance sacrifice device |
| CN113595010B (en) * | 2021-07-30 | 2022-09-23 | 贵州电网有限责任公司 | Line deicing vibrator |
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| CN106058771A (en) | 2016-10-26 |
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