CN106611944A - Falling type protective cover - Google Patents
Falling type protective cover Download PDFInfo
- Publication number
- CN106611944A CN106611944A CN201710094969.3A CN201710094969A CN106611944A CN 106611944 A CN106611944 A CN 106611944A CN 201710094969 A CN201710094969 A CN 201710094969A CN 106611944 A CN106611944 A CN 106611944A
- Authority
- CN
- China
- Prior art keywords
- casing
- revolving door
- protective cover
- rotary shaft
- proximity switch
- 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.)
- Granted
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a falling type protective cover. The protective cover comprises a protective umbrella and a protective box; the protective umbrella comprises an umbrella-shaped shroud ring and a sealing ring; the protective box comprises a casing, a revolving door, a shift lever, a proximity switch assembly and a torsion spring; one side of the casing is provided with an opening, and the revolving door is mounted in the side with the opening; a rotating shaft of the revolving door is rotationally mounted at one side of the casing, and the torsion spring is mounted on the rotating shaft; one end of the torsion spring is fixed to the casing, and the other end of the torsion spring is fixed to the rotating shaft; one end of the shift lever is mounted on the rotating shaft and is positioned over the torsion spring; a block is arranged outside the connecting end of the shift lever; the upper and lower ends of the rotating shaft extend out of the casing and are fixedly connected with the revolving door; and the casing is further provided with a baffle plate, and the baffle plate is positioned in a position where the suspended end of the shift lever rotates to a closing state. The falling type protective cover can protect an opening/closing conductor contact comprehensively, the protective casing protects the contact against rain, snow and freezing effectively, and the protective cover can be opened or closed automatically according to opening/closing requirements.
Description
Technical field
The present invention relates to overhead transmission line engineering field, more particularly to a kind of falling type protective cover.
Background technology
In cold winter, easily there is icing phenomenon in the part transmission line of electricity in south China area.Lead, on ground wire not
Uniform icing can cause steel tower run-off the straight or bending, when more than design ability to bear, will lead, the fracture of ground wire,
Gold utensil comes off, and serious meeting causes collapse of iron tower.And aerial earth wire is supported unlike the heat energy that wire can be produced by load current
Imperial part freezes, and its ice covering thickness is typically considerably beyond transmission pressure.
In January, 2008, so far everybody remembers still the collapse of iron tower accident that south China transmission line of electricity large area icing is caused
Newly.
2 months 2008, Southern Power Grid Technology Research Center tackled problems group to each electric pressure alternating current-direct current of south electric network
The alternating current-direct current ice-melt scheme of transmission line of electricity has carried out feasibility study.Research shows, installs ice-melt direct current in load-center substation and set
The ice-melt of the standby achievable all lines in load-center substation.
2013, Nan Wang EHV transmissions company, Central Southern China Electric Power Design Institute and Nanjing line materials company limited combine ground
The box-like ground wire deicing automatic connection device in side is made, and in November, 2013, December, is applied line in 500kV and is successfully installed.
As the usage quantity of ground wire deicing automatic connection device is increasing, the tower species of erecting device also gradually increases
It is many, especially in DC power transmission line engineering, need the steel tower for installing ground wire deicing automatic connection device situations below occur：1）
Wire jumper string length is longer, about 8--9 rice；2）Due to corner reason, two cross-arm brachium difference are larger.
For brachium is more than the cross-arm of wire jumper string length, still using the box-like ground wire deicing automatic connection device scheme in side；And
For galianconism cross-arm, without enough spaces the box-like device of installation side is carried out.So, for the construction featuress of galianconism cross-arm, need
Develop suitable ground wire deicing automatic connection device, and for the folding conductor of ground wire deicing automatic connection device need into
The corresponding protection of row.
The content of the invention
The technical problem to be solved in the invention is how to realize the disposition to folding conductor contact.The present invention
The characteristics of needing the combined floodgate for upper box-like ground wire deicing automatic connection device, open a sluice gate is designed.
To solve above-mentioned technical problem, the invention provides falling type protective cover, including protective umbrella and guard box, wherein preventing
Shield pack includes umbrella shroud ring and sealing ring, and sealing ring is arranged on umbrella shroud ring top；Guard box include casing, revolving door, pin,
Proximity switch component and torsion spring, in casing side opening is provided with, and the side for arranging opening in casing is provided with revolving door, umbrella
Shroud ring is higher than revolving door, positioned at the overthe openings and rotated the opening of casing by revolving door of casing block after the space that stays it is complete
Block entirely, the rotary shaft of revolving door is rotatably installed in the side of casing, and is positioned on casing, and torsion is provided with the rotary shaft
Spring, one end is fixed on casing, and the other end is fixed on the rotary shaft, and torsion spring is installed on the rotary shaft and be located in lever one end
Top, is additionally provided with block on the outside of the connection end of lever, and rotary shaft upper and lower ends are stretched out casing and are fixedly connected with revolving door,
Baffle plate is provided with casing, the free end positioned at lever is rotated at the position of combined floodgate.The falling type protective cover of the present invention, it is real
Now to comprehensive protection of folding conductor contact, umbrella shroud ring can adopt click on fashion to be arranged on the conducting rod of folding conductor
On, umbrella shroud ring is protected from top, prevents sleet from entering from guard box upper opening；Sealing ring is arranged on umbrella shroud ring
Side, is brought into close contact, and prevents rainwater from penetrating into along the conducting rod of folding conductor.Baffle plate is provided with casing, positioned at lever
Free end is rotated at the position of combined floodgate, can be located at box opening side edge, the position that the free end of lever is rotated past.
The effect of guard box is to realize that the comprehensive sleet and snow ice to folding conductor contact is protected, while realizing the automatic open-close of protective cover
Function.During combined floodgate, torsion spring makes revolving door open with the rotation of folding conductor, and lever encounters baffle plate back pullout (BPO) in place, opens
Door rear revolving door stopping action in place；When opening a sluice gate, the rotation of folding conductor promotes pin to rotate, so as to door is rotated therewith
Rotate and close, open a sluice gate in place close switch afterwards, revolving door is closed in place.
Further improvement is that, in rotary shaft lower end lower rotary shaft, lower support bar one end and revolving door bottom are also associated with
It is connected, the other end is connected with lower rotary shaft.Casing lower end is difficult to be attacked by sleet, thus need not cover comprehensively, thus
Connected with lower support bar, material-saving, reduces cost.
Wherein preferred, umbrella shroud ring includes more than half circular arc sloping baffle that two ends overlap, and two more than half circular arcs incline
Slanting baffle upper end arranges vertical semi arch baffle plate, and two semi arch baffle plates are fixedly connected on the conducting rod of folding conductor,
Ring set is brought into close contact on conducting rod with conducting rod, and sealing ring is placed in umbrella shroud ring top；The open outer side of casing is
Splayed.When opening a sluice gate, when conducting rod center is with box opening center deviation, splayed opening guiding conducting rod is reached opens a sluice gate in place
Position.
Further improvement is that, multiple universal wheels are also installed between revolving door and casing；Proximity switch component is arranged on
Casing is near the side of rotary shaft side, including proximity switch clip, shell fragment and proximity switch, and proximity switch is arranged on to be close to and opens
On the folder of the outpost of the tax office, the draw-in groove with collision bead is provided with proximity switch clip, proximity switch draw-in groove of the insertion with collision bead is close to and opens
Outpost of the tax office folder is fixed on box inside wall；Earth lead is connected between lever and casing.Universal wheel is to the ice on revolving door
Jelly is played a supporting role, while being conducive to the flexible rotating of revolving door；To avoid opening a sluice gate during state in place, there is sensing on ground wire
Voltage, has also carried out grounding design to falling type protective cover.Grounding design is by the way that earth lead two ends are connected to into shelves
On bar and casing realize, during due to opening a sluice gate in place on torsion spring moment of torsion persistence so that pin and conducting rod continuous and effective connect
Touch, the folding conductor being connected with ground wire, induced voltage thereon can be passed to effectively on casing, and casing is finally to be connected with steel tower
, that is, pass on steel tower, complete ground connection.
The falling type protective cover of the present invention, umbrella shroud ring is slightly above revolving door, and umbrella shroud ring is used cooperatively with revolving door will
The opening of lower section guard box is blocked completely, can effectively prevent opening of the sleet from above guard box from entering.Ring set is being led
On electric pole, and it is brought into close contact with conducting rod, is placed in umbrella shroud ring top, prevents rainwater from oozing with conducting rod gap from umbrella shroud ring
Enter.
Pin, torsion spring, lower rotary shaft are connected as one with the rotary shaft of revolving door.
Guard box carries out effective sleet and snow ice protection to contact, also according to closing a floodgate or can open a sluice gate demand, automatically open up or
Close.
The casing of guard box is protected contact first, while baffle plate etc. is also designed in inside, it is the realization of other functions
Design foothold is provided.The opening size of casing considers the impact of the factors such as the vibration of folding conductor when opening a sluice gate, windage yaw, has
Guide effect, the final in-place closing of guiding folding conductor.
Revolving door is that contact is protected from dead ahead, according to closing a floodgate/demand of opening a sluice gate automatically opens up/closes.Revolving door
Rotary shaft be arranged on casing side, be positioned on casing, by various securing members by the rotary shaft of revolving door, pin, torsion spring,
Shaft and lower support bar link into an integrated entity.During combined floodgate, drive mechanism drives folding conductor to be rotated up.As folding is led
The rotation of electrical equipment, the moment of torsion of torsion spring drives pin, the rotary shaft of revolving door, Shaft to rotate, and stablizes so as to door is rotated
Open.When opening to a certain extent, pin is blocked by the baffle plate of design on casing and stopped operating, and revolving door opens the door and stops in place
Action.
The effect of falling type protective cover of the present invention is to carry out sleet and snow ice protection to folding conductor end contact, its installation
On platform on the outside of tower body, the actuating device lower section of ground wire deicing automatic connection device is placed in.
When opening a sluice gate state in place, casing and revolving door are effectively protected contact so as to exempt sleet invasion and attack.Close a floodgate
When, torsion spring is rotated rotary shaft, pin, the rotation of lower rotary shaft of door, steadily opens so as to door is rotated.Open the door in place
When, pin is encountered the baffle plate designed on casing and is stopped operating, and revolving door is opened in place.When opening a sluice gate, the conducting rod of folding conductor
Pin is promoted to rotate when reaching casing, you can a rotation to be rotated and closes.During door-closing in-place, the block of the pin other end is touched
The shell fragment of dynamic proximity switch, proximity switch receives signal and leaves the motor off work, and revolving door is closed in place, that is, opened a sluice gate in place.
For ease of the installation and replacing of proximity switch, proximity switch is arranged on proximity switch folder, and proximity switch is direct
Clip of the insertion equipped with collision bead is positioned.Proximity switch component is arranged on body side near exit, not only effective waterproof,
Puncturing for unexpected induced voltage can also be prevented.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of casing of the present invention；
Fig. 3 is the left view of casing of the present invention；
Fig. 4 is the top view of casing of the present invention；
Fig. 5 is the front view of umbrella shroud ring of the present invention；
Fig. 6 is the left view of umbrella shroud ring of the present invention；
Fig. 7 is the top view of umbrella shroud ring of the present invention；
Fig. 8 is the front view of pin of the present invention；
Fig. 9 is the left view of pin of the present invention；
Wherein, 1- umbrellas shroud ring, 2- sealing rings, 3- casings, 4- revolving doors, 5- levers, 6- torsion springs, 7- openings, 8- rotary shafts, 9-
Block, 10- baffle plates, rotary shaft under 11-, 12- lower support bars, 13- universal wheels, 14- proximity switches folder, 15- proximity switches, 16-
Shell fragment, 17- earth leads.
Specific embodiment
Describe the preferred technical solution of the present invention in detail below in conjunction with the accompanying drawings.
As illustrated, the falling type protective cover of the present invention, including protective umbrella and guard box, wherein protective umbrella includes umbrella bag
Hoop 1 and sealing ring 2, sealing ring 2 is arranged on the top of umbrella shroud ring 1；Guard box include casing 3, revolving door 4, pin 5, be close to open
Component and torsion spring 6 are closed, the side of casing 3 is provided with opening 7, the side for arranging opening 7 in casing 3 is provided with revolving door 4, umbrella
Shroud ring 1 is higher than revolving door 4, is rotated by revolving door 4 positioned at the top of opening 7 of casing 1 and by the opening 7 of casing 3 and is stayed after blocking
Space block completely, the rotary shaft 8 of revolving door 4 is rotatably installed in the side of casing 3, and is positioned on casing 3, in rotary shaft
Torsion spring 6 is installed, the one end of torsion spring 6 is fixed on casing 3 on 8, the other end is fixed on rotating shaft 8, the one end of lever 5 is arranged on rotation
In rotating shaft 8 and positioned at the top of torsion spring 6, block 9 is additionally provided with the outside of the connection end of lever 5, the upper and lower ends of rotary shaft 8 are stretched out
Casing 3 is fixedly connected with revolving door 4, and baffle plate 10 is provided with casing 3, and positioned at the free end of lever 5 position of combined floodgate is rotated to
Put place.
Further, lower rotary shaft 11, the one end of lower support bar 12 and the bottom of revolving door 4 are also associated with the lower end of rotary shaft 8
It is connected, the other end is connected with lower rotary shaft 11.
Wherein preferred, umbrella shroud ring 1 includes more than half circular arc sloping baffle that two ends overlap, and two more than half circular arcs incline
Slanting baffle upper end arranges vertical semi arch baffle plate, and two semi arch baffle plates are fixedly connected on the conducting rod of folding conductor,
Sealing ring 2 is sleeved on conducting rod, is brought into close contact with conducting rod, and sealing ring 2 is placed in the top of umbrella shroud ring 1；Outside the opening of casing 3
Side is splayed.
Further, multiple universal wheels 13 are also installed between revolving door 4 and casing 3；Proximity switch component is arranged on case
Body 3 is near the side of the side of rotary shaft 8, including proximity switch clip 14, shell fragment 16 and proximity switch 15, and proximity switch 15 is installed
On proximity switch clip 14, the draw-in groove with collision bead is provided with proximity switch clip 14, the insertion of proximity switch 15 is carried touches
The draw-in groove of pearl, proximity switch clip 14 is fixed on the medial wall of casing 3；Earth lead is connected between lever 5 and casing 3
17。
The falling type protective cover of the present invention, realizes the comprehensive protection to folding conductor contact, and umbrella shroud ring can be adopted
Click on fashion is arranged on the conducting rod of folding conductor, and umbrella shroud ring is protected from top, and prevention sleet is from guard box
Side's opening is entered；Sealing ring is arranged on umbrella shroud ring top, is brought into close contact, and prevents rainwater from oozing along the conducting rod of folding conductor
Enter.Baffle plate is provided with casing, is rotated at the position of combined floodgate positioned at the free end of lever, can be located at the side of box opening one
At edge, the position that the free end of lever is rotated past.The effect of guard box is to realize the comprehensive sleet to folding conductor contact
Frost protection, while realizing the automatic open-close function of protective cover.During combined floodgate, torsion spring makes revolving door with the rotation of folding conductor
And open, lever encounters baffle plate back pullout (BPO) in place, revolving door stopping action after opening the door in place；When opening a sluice gate, folding conductor turn
It is dynamic to promote pin to rotate, close so as to a concomitant rotation is rotated, close switch afterwards is opened a sluice gate in place, revolving door is closed and arrived
Position.
Casing lower end is difficult to be attacked by sleet, thus need not cover comprehensively, thus is connected with lower support bar, saves material
Material, reduces cost.
When opening a sluice gate, when conducting rod center is with box opening center deviation, splayed opening guiding conducting rod is reached opens a sluice gate
Position position.
Universal wheel is played a supporting role to the frost on revolving door, while being conducive to the flexible rotating of revolving door；To avoid
When opening a sluice gate state in place, there is induced voltage on ground wire, also grounding design has been carried out to falling type protective cover.Grounding design is logical
Cross and earth lead two ends are connected to into what is realized on lever and casing, moment of torsion continues on torsion spring during due to opening a sluice gate in place
Property so that pin and conducting rod continuous and effective are contacted, and the folding conductor being connected with ground wire, induced voltage thereon can be passed effectively
To on casing, casing is finally connected with steel tower, that is, pass on steel tower, completes ground connection.
The falling type protective cover of the present invention, umbrella shroud ring is slightly above revolving door, and umbrella shroud ring is used cooperatively with revolving door will
The opening of lower section guard box is blocked completely, can effectively prevent opening of the sleet from above guard box from entering.Ring set is being led
On electric pole, and it is brought into close contact with conducting rod, is placed in umbrella shroud ring top, prevents rainwater from oozing with conducting rod gap from umbrella shroud ring
Enter.
Pin, torsion spring, lower rotary shaft are connected as one with the rotary shaft of revolving door.
Guard box carries out effective sleet and snow ice protection to contact, also according to closing a floodgate or can open a sluice gate demand, automatically open up or
Close.
The casing of guard box is protected contact first, while baffle plate etc. is also designed in inside, it is the realization of other functions
Design foothold is provided.The opening size of casing considers the impact of the factors such as the vibration of folding conductor when opening a sluice gate, windage yaw, has
Guide effect, the final in-place closing of guiding folding conductor.
Revolving door is that contact is protected from dead ahead, according to closing a floodgate/demand of opening a sluice gate automatically opens up/closes.Revolving door
Rotary shaft be arranged on casing side, be positioned on casing, by various securing members by the rotary shaft of revolving door, pin, torsion spring,
Shaft and lower support bar link into an integrated entity.During combined floodgate, drive mechanism drives folding conductor to be rotated up.As folding is led
The rotation of electrical equipment, the moment of torsion of torsion spring drives pin, the rotary shaft of revolving door, Shaft to rotate, and stablizes so as to door is rotated
Open.When opening to a certain extent, pin is blocked by the baffle plate of design on casing and stopped operating, and revolving door opens the door and stops in place
Action.
The effect of falling type protective cover of the present invention is to carry out sleet and snow ice protection to folding conductor end contact, its installation
On platform on the outside of tower body, the actuating device lower section of ground wire deicing automatic connection device is placed in.
When opening a sluice gate state in place, casing and revolving door are effectively protected contact so as to exempt sleet invasion and attack.Close a floodgate
When, torsion spring is rotated rotary shaft, pin, the rotation of lower rotary shaft of door, steadily opens so as to door is rotated.Open the door in place
When, pin is encountered the baffle plate designed on casing and is stopped operating, and revolving door is opened in place.When opening a sluice gate, the conducting rod of folding conductor
Pin is promoted to rotate when reaching casing, you can a rotation to be rotated and closes.During door-closing in-place, the block of the pin other end is touched
The shell fragment of dynamic proximity switch, proximity switch receives signal and leaves the motor off work, and revolving door is closed in place, that is, opened a sluice gate in place.
For ease of the installation and replacing of proximity switch, proximity switch is arranged on proximity switch folder, and proximity switch is direct
Clip of the insertion equipped with collision bead is positioned.Proximity switch component is arranged on body side near exit, not only effective waterproof,
Puncturing for unexpected induced voltage can also be prevented.
During the present invention is for needing the transmission line of electricity for carry out ground wire deicing, when steel tower cross-arm brachium is less than wire jumper string length
Adopted.
The falling type protective cover of the present invention, on the platform of tower body side, is placed in box-like ground wire deicing and connects automatically
The drive mechanism lower section of line apparatus.
When the rotary shaft of revolving door penetrates the installing hole of casing, pin, torsion spring need to be coordinated according to structure chart and be assembled.Pass through
Securing member fixes pin on the rotary shaft；Torsion spring lower end torque arm snaps in the draw-in groove designed in casing, makes torsion spring reach design
Behind torsional deflection angle, upper end torque arm is fixed on the rotary shaft by eyelet bolt, the working deformation angle of such torsion spring is with rotation
Door rotation and change.Lower rotary shaft is penetrated and is fixedly connected with rotary shaft after the rotary shaft of revolving door, subsequently by lower support bar
Revolving door is connected with lower rotary shaft.
In order to proximity switch component install it is convenient simple, its position will avoid lever, rotary shaft, also prevent unexpected
Induced voltage punctures, so be designed at body side and close proximity to the position of opening.Proximity switch is arranged on fixed block,
It is inserted directly into the draw-in groove with collision bead.Shell fragment length is longer（200mm or so）, shell fragment is restorative good during combined floodgate, can have
Effect is away from proximity switch.
Because the installation position of protective umbrella is equipped with design requirement, guard box is needed to install again after installation on steel tower.Sealing
Circle is inserted in conducting rod before contact is installed, and when position of the umbrella shroud ring on conducting rod is to open a sluice gate in place, its full skirt lower limb is use up
May near guard box, while the bigger about steel tower of the two distance design ice covering thickness, close a floodgate when full skirt not with guard box interfere
It is advisable.
Claims (7)
1. falling type protective cover, it is characterised in that：Including protective umbrella and guard box, wherein protective umbrella includes umbrella shroud ring and sealing
Circle, sealing ring is arranged on umbrella shroud ring top；Guard box includes casing, revolving door, pin, proximity switch component and torsion spring,
Casing side is provided with opening, and the side for arranging opening in casing is provided with revolving door, and umbrella shroud ring is higher than revolving door, positioned at case
The overthe openings of body, the rotary shaft of revolving door is rotatably installed in the side of casing, and torsion spring, one end are provided with the rotary shaft
It is fixed on casing, the other end is fixed on the rotary shaft, lever one end is installed on the rotary shaft and is located at torsion spring top, in lever
Connection end outside be additionally provided with block, rotary shaft upper and lower ends are stretched out casing and are fixedly connected with revolving door, set on casing
Baffle plate is equipped with, the free end positioned at lever is rotated at the position of combined floodgate.
2. falling type protective cover as claimed in claim 1, it is characterised in that：Lower rotary shaft is also associated with rotary shaft lower end,
Lower support bar one end is connected with revolving door bottom, and the other end is connected with lower rotary shaft.
3. falling type protective cover as claimed in claim 1, it is characterised in that：It is more than half that umbrella shroud ring includes that two ends overlap
Circular arc sloping baffle, two more than half circular arc sloping baffle upper ends arrange vertical semi arch baffle plate, and two semi arch baffle plates are fixed
It is connected on the conducting rod of folding conductor, ring set is brought into close contact on conducting rod with conducting rod, and sealing ring is placed in umbrella
Shape shroud ring top.
4. the falling type protective cover as described in claim 1 or 2 or 3, it is characterised in that：The opening of casing is splayed.
5. falling type protective cover as claimed in claim 4, it is characterised in that：Multiple ten thousand are also installed between revolving door and casing
To wheel.
6. falling type protective cover as claimed in claim 5, it is characterised in that：Proximity switch component is arranged on casing near rotation
The side of axle side, including proximity switch clip, shell fragment and proximity switch, proximity switch is arranged on proximity switch clip, is connect
The draw-in groove with collision bead is provided with nearly switch clip, proximity switch draw-in groove of the insertion with collision bead, proximity switch clip is fixed
On box inside wall.
7. falling type protective cover as claimed in claim 6, it is characterised in that：It is connected with ground connection between lever and casing to lead
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094969.3A CN106611944B (en) | 2017-02-22 | 2017-02-22 | Falling type protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094969.3A CN106611944B (en) | 2017-02-22 | 2017-02-22 | Falling type protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106611944A true CN106611944A (en) | 2017-05-03 |
| CN106611944B CN106611944B (en) | 2018-04-06 |
Family
ID=58636865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710094969.3A Active CN106611944B (en) | 2017-02-22 | 2017-02-22 | Falling type protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106611944B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744548A (en) * | 2022-05-14 | 2022-07-12 | 国网山东省电力公司烟台供电公司 | Insulating shielding cover for live replacement of strain insulator of vertical arrangement line of power distribution cement pole and mounting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003189447A (en) * | 2001-12-17 | 2003-07-04 | Akutaato:Kk | Bird-and-beast hazard protective cover for power transmission line suspension device |
| CN203026845U (en) * | 2012-11-14 | 2013-06-26 | 甘粛省电力公司白银供电公司 | Lightning arrester shielding cover for high voltage live working |
| CN105207156A (en) * | 2014-06-16 | 2015-12-30 | 南京电力金具设计研究院有限公司 | Protection device for ground wire deicing automatic wiring device |
| CN205863064U (en) * | 2016-08-01 | 2017-01-04 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Switch mechanism rain cover |
-
2017
- 2017-02-22 CN CN201710094969.3A patent/CN106611944B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003189447A (en) * | 2001-12-17 | 2003-07-04 | Akutaato:Kk | Bird-and-beast hazard protective cover for power transmission line suspension device |
| CN203026845U (en) * | 2012-11-14 | 2013-06-26 | 甘粛省电力公司白银供电公司 | Lightning arrester shielding cover for high voltage live working |
| CN105207156A (en) * | 2014-06-16 | 2015-12-30 | 南京电力金具设计研究院有限公司 | Protection device for ground wire deicing automatic wiring device |
| CN205863064U (en) * | 2016-08-01 | 2017-01-04 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Switch mechanism rain cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744548A (en) * | 2022-05-14 | 2022-07-12 | 国网山东省电力公司烟台供电公司 | Insulating shielding cover for live replacement of strain insulator of vertical arrangement line of power distribution cement pole and mounting method thereof |
| CN114744548B (en) * | 2022-05-14 | 2024-03-01 | 国网山东省电力公司烟台供电公司 | Insulating shielding cover for live replacement of tension insulator of power distribution cement pole vertical arrangement line and installation method of insulating shielding cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106611944B (en) | 2018-04-06 |
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