CN107086488A - A kind of charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement - Google Patents
A kind of charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement Download PDFInfo
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- CN107086488A CN107086488A CN201710291781.8A CN201710291781A CN107086488A CN 107086488 A CN107086488 A CN 107086488A CN 201710291781 A CN201710291781 A CN 201710291781A CN 107086488 A CN107086488 A CN 107086488A
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- Prior art keywords
- insulator
- arm
- cross
- straight line
- leading screw
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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
- 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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Abstract
The invention provides a kind of charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement, including：Insulator crossarm, insulated conductor mounting, insulated conductor mounting is liftably on the insulator crossarm, for supporting the wire on the insulator on the cross-arm that need to be changed, need to change cross-arm, during insulator, insulator crossarm is fixed on straight line pole, insulated conductor mounting is moved upwards by wire jack-up so that wire departs from insulator, then to cross-arm, insulator is changed, no longer need to sling wire by crane, only needing to an aerial lift device with insulated arm coordinates the present apparatus to complete to cross-arm, the replacing of insulator, so as to the expense of saving, reduce road occupying, operation field is relatively easy simultaneously can also reduce danger.
Description
Technical field
The present invention relates to technical field of electric power, and in particular to a kind of charged for replacement overhead transmission line straight line pole cross-arm, insulator
Device.
Background technology
In power distribution network, cause often to occur to need to change straight line pole cross-arm, insulator by external force and weather reason
Situation.In order to ensure not having a power failure, being substantially all needs on-line treatment.
The method that current replacing linear pole under live state cross-arm, insulator are substantially used is to wire, porcelain vase, cross-arm insulating bag
After screening, aerial lift device with insulated arm assists a crane to sling three wires using insulated hanger cross-arm, electrician's operation insulation bucket in bucket
Arm car changes cross-arm to suitable station.
Current replacing linear pole under live state cross-arm, insulator need aerial lift device with insulated arm to assist a crane, expend than larger, together
When operation field situation it is complicated, road is narrow in many cases can not stop crane while serious using two cars road occupying,
Crane is sling three wires using insulated hanger cross-arm, is existed and is broken the possibility that wire, wire deviate insulated hanger cross-arm, is held
Easily cause danger.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome replacing straight line pole cross-arm of the prior art, insulator
When need the two cars defect serious with the use of huge road occupying is expended, so as to provide a kind of charged for replacement overhead transmission line straight line pole
Cross-arm, insulator arrangement.
In order to solve the above technical problems, a kind of charged for replacement overhead transmission line straight line pole cross-arm of the present invention, insulator arrangement,
Including：
Insulator crossarm；
Insulated conductor mounting, liftably on the insulator crossarm, for supporting the insulation on the cross-arm that need to be changed
Wire on son.
The wire mounting includes the setting position of the insulator on the cross-arm of set location and number with needing replacing
Put the lifting support frame consistent with number.
The lifting support frame includes leading screw, screw handle, and the screw handle has and the external screw thread on the leading screw
The screwed hole of cooperation, the screw handle is rotatably mounted on the insulator crossarm, and the top of the leading screw has U-shaped
Groove.
The screw handle controls nested structure to be rotatably mounted on the insulator crossarm by leading screw, the leading screw control
Nested structure processed includes：
Leading screw control set, is set on the leading screw, and its upper end is fixedly connected with the insulator crossarm；
Bearing holder (housing, cover), includes the bearing holder (housing, cover) annular sidewall of bearing holder (housing, cover) bottom and the edge setting along the bearing holder (housing, cover) bottom,
The bearing holder (housing, cover) bottom be provided with for the leading screw control set through through hole, the bearing holder (housing, cover) passes through the bearing holder (housing, cover) annular side
Wall is fixedly connected with the handle wheel of the leading screw handle；
Bearing pallet, including tray bottom, and the pallet annular sidewall at the middle part of the tray bottom is arranged on, it is described
Pallet annular sidewall is suitably inserted into the lower end of the leading screw control set, and controls the lower end of set to be connected with the leading screw；
Bearing, in the space that the lower end of the bearing holder (housing, cover), the tray bottom, leading screw control set is surrounded.
Notch one end connection insurance of the U-type groove is closed, and insurance closing can close the notch of U-type groove after closing.
At least one hanger is additionally provided with the insulator crossarm.
Also include transmission cross-arm system, the transmission cross-arm system includes the assembly pulley being arranged on straight line pole, is wound on institute
The transmission rope on assembly pulley is stated, and the assembly pulley upper end is connected with the sling assembly pulley being fixed on straight line pole, described
Transmission rope one end, which has, withholds, and can hook in the hanger of the insulator crossarm.
The insulator crossarm is connected with straight line pole by general cross-arm anchor ear.
The insulator crossarm is made using glass epoxy silk cloth.
Nylon material is filled with the insulator crossarm.
The leading screw, leading screw control set, U-type groove, insurance are closed using insulating materials composition.
The transmission is restricted and withheld to be made using thick silk.
Technical solution of the present invention, has the following advantages that：
1. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, including：Insulator crossarm, absolutely
Edge wire mounting, insulated conductor mounting is liftably located on the insulator crossarm, exhausted on the cross-arm that need to be changed for supporting
Wire on edge is, it is necessary to which when changing cross-arm, insulator, insulator crossarm is fixed on straight line pole, and insulated conductor mounting is upward
Motion is by wire jack-up so that wire disengaging insulator, is then changed to cross-arm, insulator, it is no longer necessary to by crane
Wire is sling, it is only necessary to which an aerial lift device with insulated arm coordinates the present apparatus to complete the replacing to cross-arm, insulator, so as to save
Province's expense, reduction road occupying, while operation field is relatively easy can also to reduce danger.
2. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the wire mounting include
Set location and the number lifting support frame consistent with number with the set location of the insulator on the cross-arm for needing to change,
The position of insulator on lifting support frame it is identical with number with the position of the insulator on the cross-arm to be changed with number, it is necessary to
When changing cross-arm, insulator, lifting support frame moves wire upwards can depart from the insulator to be changed, and lifting support frame is downward
Motion, wire can be fallen on the insulator of new clothes, facilitate the replacing of cross-arm, insulator, also safer.
3. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the lifting support frame bag
Leading screw, screw handle are included, the screw handle has the screwed hole coordinated with the external screw thread on the leading screw, the screw handle
It is rotatably mounted on the insulator crossarm, the top of the leading screw has U-type groove, when screw handle is rotated, and leading screw edge is perpendicular
Nogata has U-type groove to motion, the top of leading screw, and wire, which falls into U-type groove, can prevent wire horizontal direction from swinging back and forth, it is ensured that
It is safer when charged for replacement cross-arm, insulator.
4. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the screw handle pass through
Leading screw control nested structure is rotatably mounted on the insulator crossarm, and the leading screw control nested structure includes：
Leading screw control set, is set on the leading screw, and its upper end is fixedly connected with the insulator crossarm；
Bearing holder (housing, cover), includes the bearing holder (housing, cover) annular sidewall of bearing holder (housing, cover) bottom and the edge setting along the bearing holder (housing, cover) bottom,
The bearing holder (housing, cover) bottom be provided with for the leading screw control set through through hole, the bearing holder (housing, cover) passes through the bearing holder (housing, cover) annular side
Wall is fixedly connected with the handle wheel of the leading screw handle；
Bearing pallet, including tray bottom, and the pallet annular sidewall at the middle part of the tray bottom is arranged on, it is described
Pallet annular sidewall is suitably inserted into the lower end of the leading screw control set, and controls the lower end of set to be connected with the leading screw；
Bearing, in the space that the lower end of the bearing holder (housing, cover), the tray bottom, leading screw control set is surrounded, axle
Support tray can place lubricating oil, it is ensured that screw handle is preferably rotated.
5. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the notch one of the U-type groove
End connects insurance and closed, and insurance can close the notch of U-type groove after closing conjunction, and wire falls into closure insurance pass after U-type groove and can prevented
Wire is made replacing linear pole under live state cross-arm, insulator safer by being swung back and forth after external force in vertical direction.
6. on charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the insulator crossarm also
At least one hanger is provided with, facilitates mechanical structure that insulator crossarm is transported on straight line pole, the manual labor of electrician is reduced.
7. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, in addition to transmission cross-arm system
System, the transmission cross-arm system includes the assembly pulley being arranged on straight line pole, is wound on the transmission rope on the assembly pulley, the cunning
Wheel group upper end is connected with the sling being fixed on the assembly pulley on straight line pole, and the transmission is restricted one end with withholding, can hooked
In the hanger of the insulator crossarm, insulator crossarm can be easily carried, the manual labor of electrician is reduced, makes operation field more
Plus safety.
8. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the insulator crossarm with it is straight
Line bar is connected by general cross-arm anchor ear, and insulator crossarm can be fixed on straight line pole by general cross-arm anchor ear, can make replacing straight line
Bar cross-arm, insulator operation it is safer, while general cross-arm anchor ear be common component, it is easy to operate, can also reduce cost.
9. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the insulator crossarm are used
Glass epoxy silk cloth is made, and insulator crossarm can be made to have good insulating effect, make operation safer.
10. filled out in charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the insulator crossarm
Filled with nylon material, moisture-proof role can be played, further makes operation safer.
11. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the leading screw, leading screw control
Set, U-type groove, insurance pass are made using insulating materials composition, makes operation safer, prevents from getting an electric shock.
12. charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement that the present invention is provided, the transmission rope and withhold
Made using thick silk, larger power can be born, dropping for insulator crossarm is prevented, make operation field safer.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Charged for replacement overhead transmission line straight line pole cross-arm, insulator that Fig. 1 is provided in the first embodiment for the present invention
The front view of device；
Fig. 2 is the enlarged drawing of the insulated conductor mounting shown in Fig. 1；
Description of reference numerals：
1- straight line poles；2- insulator crossarms；3- insulated conductor mountings；
4- transmits cross-arm system；The general cross-arm anchor ears of 5-；21- hangers；
22- nylon materials；31- leading screws；32- bearing holder (housing, cover)s；
33- screw handles；34- bearings；35- bearing pallets；
36- leading screws control set；37-U type grooves；38- insurances are closed；
41- slings；42- is withheld；43- transmission ropes；
44- assembly pulleys.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
Embodiment 1
Charged for replacement overhead transmission line straight line pole cross-arm as shown in Figure 1, a kind of embodiment of insulator arrangement, bag
Include：Insulator crossarm 2, insulated conductor mounting 3, the insulated conductor mounting 3 liftably on the insulator crossarm 2, are used for
Support the wire on the insulator on the cross-arm that need to be changed.
When needing to change cross-arm, insulator, insulator crossarm 2 is fixed on straight line pole 1, insulated conductor mounting 3 is transported upwards
Move wire jack-up so that wire disengaging insulator, is then changed, it is no longer necessary to will by crane to cross-arm, insulator
Wire is sling, it is only necessary to which an aerial lift device with insulated arm coordinates the present apparatus to complete the replacing to cross-arm, insulator, so as to save
Expense, reduction road occupying, while operation field is relatively easy can also to reduce danger.
Specifically, the wire mounting includes the insulator on the cross-arm of set location and number with needing replacing
The position of insulator on the set location lifting support frame consistent with number, lifting support frame and number and the cross-arm to be changed
On insulator position it is identical with number, it is necessary to which when changing cross-arm, insulator, lifting support frame moves wire upwards to be taken off
From the insulator to be changed, lifting support frame is moved downward, and wire can be fallen on the insulator of new clothes, facilitates cross-arm, insulation
The replacing of son, it is also safer.
Specifically, the embodiment of lifting support frame as shown in Figure 2, the lifting support frame include leading screw 31,
Screw handle 32, the screw handle 32 has the screwed hole coordinated with the external screw thread on the leading screw 31, the screw handle
32 are rotatably mounted on the insulator crossarm 2, and the top of the leading screw 31 has U-type groove 37,32 turns of the screw handle
When dynamic, the leading screw 31 is vertically moving, and the top of the leading screw 31 has U-type groove 37, and wire, which falls into U-type groove 37, to be prevented
Only wire horizontal direction swings back and forth, it is ensured that safer in charged for replacement cross-arm, insulator.
Specifically, the screw handle 32 controls nested structure to be rotatably mounted on the insulator crossarm 2 by leading screw,
The leading screw control nested structure includes：
Leading screw control set 36, is set on the leading screw 31, and its upper end is fixedly connected with the insulator crossarm 2；
Bearing holder (housing, cover) 33, includes the bearing collar-shaped of the bottom of bearing holder (housing, cover) 33 and the edge setting along the bottom of bearing holder (housing, cover) 33
Side wall, the bottom of bearing holder (housing, cover) 33 is provided with the through hole for controlling set 36 to pass through for the leading screw, and the bearing holder (housing, cover) 33 is by described
Bearing holder (housing, cover) annular sidewall is fixedly connected with the handle wheel of the leading screw handle 32；
Bearing pallet 35, including tray bottom, and it is arranged on the pallet annular sidewall at the middle part of the tray bottom, institute
State pallet annular sidewall to be suitably inserted into the lower end of the leading screw control set 36, and control the lower end of set 36 to connect with the leading screw
Connect；
Bearing 34, the space surrounded located at the lower end of the bearing holder (housing, cover) 33, the tray bottom, leading screw control set 36
Interior, bearing pallet 35 can place lubricating oil, it is ensured that screw handle is preferably rotated.
Specifically, notch one end connection insurance of the U-type groove 37 closes 38, and insurance can make U-type groove 37 after closing 38 closures
Notch is closed, and wire, which falls into after U-type groove 37 closure insurance and closes 38, can prevent wire by being swung back and forth after external force in vertical direction,
Make replacing linear pole under live state cross-arm, insulator safer.
Specifically, at least one hanger 21 is additionally provided with the insulator crossarm 2, facilitates mechanical structure by insulator crossarm 2
It is transported on straight line pole 1, reduces the manual labor of electrician.
Specifically, in addition to transmission cross-arm system 4, the transmission cross-arm system 4 includes the pulley being arranged on straight line pole 1
Group 44, is wound on the transmission rope 43 on the assembly pulley 44, the upper end of assembly pulley 44, which is connected with, is fixed on the assembly pulley 44
Sling 41 on straight line pole 1, described 43 one end of transmission rope, which have, withholds 42, can hook the hanger 21 in the insulator crossarm 2
In, insulator crossarm 2 can be easily carried, the manual labor of electrician is reduced, makes operation field safer.
Specifically, the insulator crossarm 2 is connected with straight line pole 1 by general cross-arm anchor ear 5, and general cross-arm anchor ear 5 can be by
Insulator crossarm 2 is fixed on straight line pole 1, and the operation of replacing straight line pole cross-arm, insulator can be made safer, while general cross-arm
Anchor ear 5 is common component, easy to operate, can also reduce cost.
Specifically, the insulator crossarm 2 is made using glass epoxy silk cloth, can have insulator crossarm 2 good
Insulating effect, makes operation safer.
Specifically, nylon material 22 is filled with the insulator crossarm 2, moisture-proof role can be played, further make operation
It is safer.
Specifically, the leading screw 31, leading screw control set 36, U-type groove 37, insurance close 38 using insulating materials composition, make behaviour
Make safer, prevent from getting an electric shock.
Specifically, the transmission rope 43 is made with withholding 42 using thick silk, can be born larger power, be prevented insulator crossarm
Drop, make operation field safer.
Embodiment 2
A kind of alternative of lifting support frame in embodiment 1, lifting support frame includes gear, rack, rack upper end tool
There is U-type groove, be moved upwardly or downwardly by pinion rotation band carry-over bar.
Charged for replacement overhead transmission line straight line pole cross-arm, the insulator arrangement provided using embodiment 1 change straight line pole cross-arm,
The method of insulator, comprises the following steps：
Insulator crossarm is placed in pole-footing appropriate location on ground, bar is stepped on transmission cross-arm system by electrician, on bar
Good position is selected, sling and assembly pulley are fastened the appropriate location above straight line pole cross-arm, at this moment electrician turns in side, by ground electricity
Work is pulled to insulator crossarm on bar, the wire U-lag of the lowering or hoisting gear at insulator crossarm two ends withstanding on wire only, at this moment by
Insulator crossarm is mounted on bar by electrician with Universal anchor ear on bar, and checks whether insurance pass shuts；
Tear the wiring of former insulator open, safety measure is carried out when tearing wiring open；
Handle is rotated clockwise by two ends wire jack-up 10cm, former cross-arm and insulator is removed；
The insulator on new cross-arm is installed on ground, then new cross-arm on original position, fills the method and dress of cross-arm
Insulator crossarm method is identical；
The handle on insulator crossarm is operated, rotates counterclockwise, wire is fallen in new cross arm insulator groove；
Wire is tied up with insulator with wiring；
Insulator crossarm is removed, method for dismounting is opposite with installation method；
Electrician's lower beam on bar, site clearing, work is completed.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (12)
1. a kind of charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement, it is characterised in that including：
Insulator crossarm；
Insulated conductor mounting, liftably on the insulator crossarm, for supporting the insulator on the cross-arm that need to be changed
Wire.
2. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 1, insulator arrangement, its feature exist
In the wire mounting includes the set location sum of the insulator on the cross-arm of set location and number with needing replacing
The consistent lifting support frame of mesh.
3. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 2, insulator arrangement, its feature exist
In the lifting support frame includes leading screw, screw handle, and the screw handle has what is coordinated with the external screw thread on the leading screw
Screwed hole, the screw handle is rotatably mounted on the insulator crossarm, and the top of the leading screw has U-type groove.
4. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 3, insulator arrangement, its feature exist
In the screw handle controls nested structure to be rotatably mounted on the insulator crossarm by leading screw, the leading screw control set
Structure includes：
Leading screw control set, is set on the leading screw, and its upper end is fixedly connected with the insulator crossarm；
Bearing holder (housing, cover), includes the bearing holder (housing, cover) annular sidewall of bearing holder (housing, cover) bottom and the edge setting along the bearing holder (housing, cover) bottom, described
Bearing holder (housing, cover) bottom be provided with for the leading screw control set through through hole, the bearing holder (housing, cover) by the bearing holder (housing, cover) annular sidewall with
The handle wheel of the leading screw handle is fixedly connected；
Bearing pallet, including tray bottom, and it is arranged on the pallet annular sidewall at the middle part of the tray bottom, the pallet
Annular sidewall is suitably inserted into the lower end of the leading screw control set, and controls the lower end of set to be connected with the leading screw；
Bearing, in the space that the lower end of the bearing holder (housing, cover), the tray bottom, leading screw control set is surrounded.
5. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 4, insulator arrangement, its feature exist
In notch one end connection insurance of the U-type groove is closed, and insurance closing can close the notch of U-type groove after closing.
6. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 3, insulator arrangement, its feature exist
In being additionally provided with least one hanger on the insulator crossarm.
7. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 6, insulator arrangement, its feature exist
In, in addition to cross-arm system is transmitted, the transmission cross-arm system includes the assembly pulley being arranged on straight line pole, is wound on the pulley
Transmission rope in group, the assembly pulley upper end is connected with the sling being fixed on the assembly pulley on straight line pole, the transmission rope
One end, which has, withholds, and can hook in the hanger of the insulator crossarm.
8. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 1, insulator arrangement, its feature exist
In the insulator crossarm is connected with straight line pole by general cross-arm anchor ear.
9. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 1, insulator arrangement, its feature exist
In the insulator crossarm is made using glass epoxy silk cloth.
10. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 1, insulator arrangement, its feature exist
In filled with nylon material in the insulator crossarm.
11. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 5, insulator arrangement, its feature exist
In the leading screw, leading screw control set, U-type groove, insurance are closed using insulating materials composition.
12. a kind of charged for replacement overhead transmission line straight line pole cross-arm according to claim 7, insulator arrangement, its feature exist
In the transmission is restricted and withheld to be made using thick silk.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710291781.8A CN107086488A (en) | 2017-04-28 | 2017-04-28 | A kind of charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291781.8A CN107086488A (en) | 2017-04-28 | 2017-04-28 | A kind of charged for replacement overhead transmission line straight line pole cross-arm, insulator arrangement |
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| CN114803931A (en) * | 2021-01-22 | 2022-07-29 | 国网智能科技股份有限公司 | Distribution network live working robot wire lifting device and method and robot |
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| CN114188878A (en) * | 2021-11-26 | 2022-03-15 | 广西电网有限责任公司梧州供电局 | Special insulator replacement device for portable 10KV high-tension overhead line |
| CN114123037A (en) * | 2021-12-03 | 2022-03-01 | 广东电网有限责任公司 | Auxiliary device is changed to straight line pole insulator |
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Application publication date: 20170822 |